Container power system for outdoor shore power

Abstract

The utility model provides a kind of container power supply system for outdoor shore power, comprising: isolation transformer cabin, low voltage control cabin, cabin body environmental temperature control equipment, circulating heat dissipation component and voltage conversion isolation component;Isolation transformer cabin is located in container and built-in isolation transformer, and the high voltage side of isolation transformer is electrically connected with external power supply;Low voltage control cabin is located in container and built-in low voltage control cabinet;The upper portion and lower portion of cabin body environmental temperature control equipment installed on container are respectively provided with temperature control equipment air outlet and temperature control equipment air inlet;Circulating heat dissipation component is closed ring shape and is arranged in low voltage control cabin, and the air inlet of circulating heat dissipation component is communicated with temperature control equipment air outlet, and the air outlet of circulating heat dissipation component is communicated with temperature control equipment air inlet;Voltage conversion isolation component is electrically communicated between low voltage control cabinet and the low voltage side of isolation transformer, and isolation isolation transformer cabin and low voltage control cabin.

Description

Technical Field

[0001] This utility model relates to the field of shore power technology, and in particular to a container power system for outdoor shore power. Background Technology

[0002] Shore power technology uses shore-based power sources to replace diesel generators, providing electricity to ships docked in port. With increasing environmental awareness, shore power technology has developed rapidly, evolving from single-point to multi-point power supply, and from fixed to mobile systems, with its application areas continuously expanding to cover various ship types, including container ships and bulk carriers. Shore power systems include fixed and containerized types, with containerized systems being more suitable for various environments and easier to install and upgrade. The principle of shore power technology is based on power electronics, using frequency conversion and voltage transformation to meet the power needs of ships, and its standards are gradually being improved. Furthermore, shore power technology is being combined with new energy sources such as solar and wind power to improve the sustainability of power supply.

[0003] However, containerized shore power systems currently face several challenges. First, when installing switchgear inside the container, opening the rear door is often limited by space constraints. Typically, a large side door needs to be opened at the switchgear's rear door location. Since the rear door cannot be directly accessed from the inside, the main container door must be opened from the outside first, then the switchgear's rear door, increasing maintenance difficulty and complexity. Furthermore, a side door reduces protection and increases the possibility of water ingress. Second, the container's internal heat dissipation structure is distributed through the front and rear louvers into the container's internal compartments, where it is cooled by air conditioning. This results in poor heat dissipation and heat concentration within the switchgear, which is detrimental to equipment operation. Finally, wind turbine maintenance requires de-energizing the transformer compartment for personnel to enter and replace components. Entering the transformer compartment during a power outage poses risks and significantly complicates wind turbine maintenance. Utility Model Content

[0004] The purpose of this utility model embodiment is to provide an outdoor shore power container power system that can solve the above-mentioned problems existing in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: On the one hand, an outdoor shore power containerized power system is provided, comprising: An isolation transformer compartment is located inside a container; an isolation transformer is installed inside the isolation transformer compartment, and the high-voltage side of the isolation transformer is electrically connected to an external power source. A low-pressure control compartment is located inside the container; a low-pressure control cabinet is installed inside the low-pressure control compartment. A cabin environment temperature control device is installed on the container along the length of the container, on the side closest to the low-pressure control compartment; the upper part of the cabin environment temperature control device is provided with a temperature control device air outlet, and the lower part of the cabin environment temperature control device is provided with a temperature control device air inlet; A circulating heat dissipation component is arranged in a closed ring shape inside the low-pressure control chamber. The air inlet of the circulating heat dissipation component is connected to the air outlet of the temperature control device, and the air outlet of the circulating heat dissipation component is connected to the air inlet of the temperature control device. A voltage conversion isolation component is electrically connected between the low-voltage control cabinet and the low-voltage side of the isolation transformer, and isolates the isolation transformer compartment and the low-voltage control compartment.

[0006] Preferably, the circulating heat dissipation assembly includes: A temperature control equipment air duct, wherein the air inlet of the temperature control equipment air duct is located inside the low-pressure control compartment; the temperature control equipment air duct includes, from bottom to top, an air inlet layer, an air outlet layer, and a skybridge air duct diversion layer; the air inlet layer is isolated from the air outlet layer and is connected to the air inlet of the temperature control equipment; the air outlet layer is connected to the skybridge air duct diversion layer and is connected to the air outlet of the temperature control equipment; The overhead air duct is located on the outer top of the low-voltage control cabinet, and the air inlet of the overhead air duct is connected to the airflow layer of the temperature control equipment air duct. The control cabinet air duct is located at the inner top of the low-voltage control cabinet and is arranged along the height direction of the low-voltage control cabinet; the air inlet of the control cabinet air duct is connected to the air outlet of the overhead bridge air duct. The bottom air duct has an air inlet that is connected to the air outlet of the control cabinet air duct, and the air outlet of the bottom air duct is connected to the air inlet layer.

[0007] Preferably, the low-pressure control chamber further includes: An insulating floor mat is laid on the bottom surface of the low-pressure control compartment; The access panel is located on the bottom surface of the low-pressure control compartment; An insulating base plate is laid on the insulating mat; the insulating base plate has cable outlet holes; A channel steel base is provided between the bottom of the low-voltage control cabinet and the isolation base plate; one end of the channel steel base is provided with a base air inlet, and the base air inlet is connected to the air outlet of the control cabinet air duct; the other end of the channel steel base is provided with a base air outlet, and the base air outlet is connected to the air inlet of the bottom air duct.

[0008] Preferably, the low-voltage control cabinet includes: The first main door is hinged to the right side column of the front of the low-voltage control cabinet on one side; the first main door rotates along the rear right side of the low-voltage control cabinet. The first auxiliary door is hinged to the other side of the first main door; the first auxiliary door rotates along the right rear of the low-voltage control cabinet with the first main door and folds with the first main door; The second main door is hinged to the left side column of the front of the low-voltage control cabinet on one side; the second main door rotates along the rear left side of the low-voltage control cabinet. The second auxiliary door is hinged to the other side of the second main door; the second auxiliary door rotates along the left rear of the low-voltage control cabinet with the second main door and folds with the second main door; The first and / or second auxiliary doors are equipped with observation windows.

[0009] Preferably, the low-voltage control cabinet further includes: Knurled small-head bolts are suspended from the first main door, the first secondary door, the second main door, and the second secondary door by nuts, and a pre-reserved gap is left between the knurled small-head bolts and the first main door, the first secondary door, the second main door, and the second secondary door; An explosion-proof bracket is fixed inside the low-voltage control cabinet, and the explosion-proof bracket is provided with a nut that matches the knurled small-head bolt. When the first main door, the first secondary door, the second main door, and the second secondary door are closed, the knurled small-head bolts are aligned with the nuts on the explosion-proof bracket.

[0010] Preferably, the voltage conversion isolation component includes: A horizontal copper busbar is electrically connected to the low-voltage side output terminal of the isolation transformer via a transition copper busbar. A through-bus support is installed on the top of the isolation transformer compartment; the horizontal copper busbar is installed on the through-bus support. An insulated busbar clamp is fitted onto the outside of the horizontal copper busbar and connected to the through-busbar support. An isolation plate is installed on the wall of the isolation transformer compartment on the side closest to the low-voltage control compartment; A primary adapter is mounted on the isolation plate; the low-voltage control cabinet is electrically connected to the low-voltage side of the isolation transformer through the primary adapter.

[0011] Preferred options also include: An exhaust system is installed on the outside of the isolation transformer compartment of the container along the first side of the container's width direction.

[0012] Preferably, the exhaust device includes: A support frame is installed on the outer wall of the isolation transformer compartment; wherein, a water-proof groove is provided on one side of the support frame opposite to the outer wall of the isolation transformer compartment. A fan mounting plate, which is mounted on the support frame; An axial flow fan is installed on one side of the fan mounting plate relative to the support frame; A circuit breaker is installed on the side of the fan mounting plate opposite to the support frame; A circuit breaker protection box is provided, which covers the circuit breaker and is connected to the side of the fan mounting plate opposite to the support frame by a welding nut welded to the side of the fan mounting plate opposite to the support frame. The upper guide rail and the lower guide rail are respectively installed horizontally on the outer wall of the isolation transformer compartment, and the upper guide rail and the lower guide rail are arranged on the upper and lower sides of the fan mounting plate; the upper guide rail and the lower guide rail are provided with limiting members at both ends; Two ventilators are provided, which are slidably connected to the upper and lower guide rails. The two ventilators can open and close horizontally. Waterproof folds are provided on the opposite edges of the two ventilators. Ventilation plates are provided at the bottom of the ventilators. The side of the ventilator opposite to the outer wall of the isolation transformer compartment is installed against the side of the support frame opposite to the outer wall of the isolation transformer compartment, and a gap is formed between the ventilator and the outer wall of the isolation transformer compartment through the water-proof groove of the support frame. A water-retaining eave is located on top of the wind shield and is installed on the outer wall of the isolation transformer compartment.

[0013] Preferred options also include: A gate is located on the side of the container closest to the isolation transformer compartment along the length of the container. A small door, located on the second side along the width of the container, is opened on the low-pressure control compartment of the container; A fire alarm equipment box is installed outside the low-pressure control compartment of the container on the second side along the width direction of the container. An air inlet window is provided on the second side along the width direction of the container, located at the bottom of the isolation transformer compartment of the container. A climbing frame is installed on the outside of the low-pressure control compartment of the container along the first side of the container's width direction.

[0014] Preferably, the isolation transformer compartment includes: An internal network door is installed inside the isolation transformer compartment on the side near the main gate; the internal network door is equipped with an electromagnetic lock. A fire extinguisher placement box is located at the edge between the inner mesh door and the main door.

[0015] The beneficial effects of this utility model are as follows: The circulating heat dissipation component provided in this utility model serves as an independent circulating air duct. The cold air output by the cabin environment temperature control equipment enters the cabinet from the top of the low-pressure control cabinet and then exits from the bottom of the low-pressure control cabinet. This concentrates the cold air to the area where heat is concentrated for cooling, effectively improving the cooling speed and optimizing the cooling effect. At the same time, it can also save energy and better protect the equipment.

[0016] The exhaust hood provided in this invention can be opened, allowing maintenance work to be carried out outside the container, thus improving the efficiency of maintenance work.

[0017] The foldable door of the low-voltage control cabinet provided in this invention eliminates the need for a side door on the container, allowing for convenient opening even from inside the container. This significantly simplifies maintenance procedures and reduces maintenance difficulty. Furthermore, because no additional door is required on the side of the container, it avoids extra openings in the container's protective structure, effectively enhancing the container's protective capabilities and reducing the possibility of external water seeping into the container. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0019] Figure 1 A three-dimensional structural diagram of an outdoor shore power container power system provided for an embodiment of this utility model; Figure 2 for Figure 1 Another structural diagram from a different angle; Figure 3 for Figure 1 A front view structural diagram; Figure 4 for Figure 1 A top-view structural diagram; Figure 5 for Figure 2 A schematic diagram of the side view structure; Figure 6 for Figure 3 Schematic diagram of the cross-sectional structure of the middle AA surface; Figure 7 for Figure 3 Schematic diagram of the cross-sectional structure of the middle BB surface; Figure 8 for Figure 3 Schematic diagram of the cross-sectional structure of the middle GG surface; Figure 9 for Figure 3 Schematic diagram of the cross-sectional structure of the middle EE plane; Figure 10 for Figure 5 Schematic diagram of the cross-sectional structure of the C-plane; Figure 11 for Figure 5 Schematic diagram of the cross-sectional structure of the DD plane; Figure 12 for Figure 5 Schematic diagram of the cross-sectional structure of the FF plane; Figure 13 A three-dimensional structural diagram of an outdoor shore power container power system provided for an embodiment of this utility model; Figure 14 for Figure 13 Another structural diagram from a different angle; Figure 15 for Figure 13 A front view structural diagram; Figure 16 for Figure 15 A schematic diagram of the cross-sectional structure of the middle HH plane.

[0020] In the picture: 100. Isolation transformer compartment; 110. Internal network door; 120. Fire extinguisher storage box; 130. Isolation transformer; 131. Cable hole; 200. Low-pressure control compartment; 210. Cabin environment temperature control equipment; 211. Temperature control equipment air outlet; 212. Temperature control equipment air inlet; 220. Circulating heat dissipation assembly; 221. Temperature control equipment air duct; 2212. Upper plate; 2213. Lower plate; 2215. Middle partition; 2216. Mounting bracket; 2217. Mounting plate; 2218. Temperature control equipment air duct inlet; 2219. Temperature control equipment air duct outlet; 222. Skybridge air duct; 2221. C-type fixed crossbar; 2222. Skybridge air duct upper cover plate; 2223. Skybridge air duct lower cover plate; 224. Bottom layer air duct; 2241. Bottom cover plate; 230. Insulating floor mat; 240. Inspection port; 250. Isolation base plate; 260. Channel steel base; 261. Base air inlet; 262. Base air outlet; 271. First main gate; 272. First secondary gate; 273. Second main gate; 274. Second secondary gate; 275. Observation window; 281. Knurled small head bolt; 282. Explosion-proof bracket; 283. Nut; 290. Low-voltage control cabinet; 291. Air inlet of control cabinet; 310. Horizontal copper busbar; 320. Through-busbar support; 330. Insulated busbar clamp; 340. Isolation plate; 350. Primary adapter; 400. Exhaust device; 410. Support frame; 411. Waterproof groove; 420. Fan mounting plate; 430. Axial flow fan; 440. Circuit breaker; 450. Circuit breaker protection box; 460. Upper guide rail; 470. Lower guide rail; 480. Fan cover; 490. Water barrier; 500. Main gate; 600. Side gate; 700. Fire alarm equipment box; 800. Air inlet window; 900. Climbing frame. Detailed Implementation

[0021] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this utility model are further described in detail below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0024] Figure 1 A three-dimensional structural diagram of an outdoor shore power container power system provided for an embodiment of this utility model; Figure 2 for Figure 1 Another structural diagram from a different angle; Figure 3 for Figure 1 A front view structural diagram; Figure 4 for Figure 1 A top-view structural diagram; Figure 5 for Figure 2 A schematic diagram of the side view structure; Figure 6 for Figure 3 Schematic diagram of the cross-sectional structure of the middle AA surface; Figure 7 for Figure 3 Schematic diagram of the cross-sectional structure of the middle BB surface; Figure 8 for Figure 3 Schematic diagram of the cross-sectional structure of the middle GG surface; Figure 9 for Figure 3 Schematic diagram of the cross-sectional structure of the middle EE plane; Figure 10 for Figure 5 Schematic diagram of the cross-sectional structure of the C-plane; Figure 11 for Figure 5 Schematic diagram of the cross-sectional structure of the DD plane; Figure 12 for Figure 5 Schematic diagram of the cross-sectional structure of the FF plane; Figure 13 A three-dimensional structural diagram of an outdoor shore power container power system provided for an embodiment of this utility model; Figure 14 for Figure 13 Another structural diagram from a different angle; Figure 15 for Figure 13 A front view structural diagram; Figure 16 for Figure 15 A schematic diagram of the cross-sectional structure of the middle HH plane.

[0025] like Figures 1 to 16As shown, this embodiment provides an outdoor shore power containerized power system, including: an isolation transformer compartment 100, a low-voltage control compartment 200, a compartment environment temperature control device 210, a circulating heat dissipation assembly 220, and a voltage conversion isolation assembly. The isolation transformer compartment 100 is located inside the container; an isolation transformer 130 is installed inside the isolation transformer compartment 100, and the bottom of the high-voltage side of the isolation transformer 130 has a cable hole 131 for electrical connection to an external power source; the low-voltage control compartment 200 is located inside the container; a low-voltage control cabinet 290 is installed inside the low-voltage control compartment 200; the compartment environment temperature control device 210 is installed on the side of the container along the length of the container closest to the low-voltage control compartment 200; the upper part of the compartment environment temperature control device 210 has a temperature control device air outlet 211. The lower part of the cabin environment temperature control device 210 is provided with a temperature control device air inlet 212; the circulating heat dissipation component 220 is arranged in a closed ring shape in the low-pressure control cabin 200, the air inlet of the circulating heat dissipation component 220 is connected to the air outlet 211 of the temperature control device, and the air outlet of the circulating heat dissipation component 220 is connected to the air inlet 212 of the temperature control device; the voltage conversion isolation component is electrically connected between the low-voltage control cabinet 290 and the low-voltage side of the isolation transformer 130, and isolates the isolation transformer cabin 100 and the low-pressure control cabin 200.

[0026] The circulating heat dissipation component provided in this utility model serves as an independent circulating air duct. The cold air output by the cabin environment temperature control equipment enters the cabinet from the top of the low-pressure control cabinet and then exits from the bottom of the low-pressure control cabinet. This concentrates the cold air to the area where heat is concentrated for cooling, effectively improving the cooling speed and optimizing the cooling effect. At the same time, it can also save energy and better protect the equipment.

[0027] The circulating heat dissipation assembly 220 is described in detail below. The circulating heat dissipation assembly 220 includes: a temperature control equipment air duct 221, a bridge air duct 222, a control cabinet air duct, and a bottom air duct 224. The temperature control equipment air duct 221 is located within the low-pressure control compartment 200; the temperature control equipment air duct 221 includes, from bottom to top, an air inlet layer, an air outlet layer, and a bridge air duct guide layer; the air inlet layer is isolated from the air outlet layer, and the air inlet layer serves as the air inlet 2218 of the temperature control equipment air duct and is connected to the air inlet 212 of the temperature control equipment; the air outlet layer is connected to the bridge air duct guide layer, and the air outlet layer serves as the air outlet 2219 of the temperature control equipment air duct and is connected to the air outlet 211 of the temperature control equipment; the bridge air duct 222... Located on the outer top of the low-voltage control cabinet 290, the air inlet of the overhead air duct 222 is connected to the air intake layer of the temperature control equipment air duct 221; the control cabinet air duct is located on the inner top of the low-voltage control cabinet 290 and is arranged along the height direction of the low-voltage control cabinet 290; the air inlet of the control cabinet air duct is connected to the air outlet of the overhead air duct 222; the air inlet of the bottom air duct 224 is connected to the air outlet of the control cabinet air duct, and the air outlet of the bottom air duct 224 is connected to the air inlet layer.

[0028] It should be further explained that the temperature control equipment air duct 221 is arranged inside the low-pressure control chamber 200 and covers the temperature control equipment air outlet 211 and the temperature control equipment air inlet 212.

[0029] The main structure of the temperature control equipment air duct 221 is a closed air duct formed by a lower plate 2213 at the bottom of the temperature control equipment air duct 221, a top plate at the top of the temperature control equipment air duct 221, vertical plates on both sides of the top plate and lower plate 2213, and the inner wall of the low-pressure control compartment 200 (i.e., the container wall). A middle partition 2215 and an upper plate 2212 are horizontally arranged between the top plate and lower plate 2213, and abut against the vertical plates on both sides of the top plate and lower plate 2213 and the inner wall of the low-pressure control compartment 200 (i.e., the container wall). The middle partition 2215 is located between the lower plate 2213 and the upper plate 2212, completely isolating the air inlet layer and the air outlet layer within the temperature control equipment air duct 221. The upper plate 2212 is located between the middle partition 2215 and the top plate, separating the air outlet layer and the sky bridge air duct diversion layer in the temperature control equipment air duct 221 from each other in a partially isolated (or connected) manner.

[0030] The air inlet layer, air outlet layer, and bridge duct guide layer in the temperature control equipment air duct 221 are further described in detail. The air inlet layer is mainly used to receive the return air delivered from the air outlet of the bottom air duct 224. Here, the air inlet layer only serves as an air intake channel and needs to be completely isolated from the air outlet layer to prevent cold air from flowing back directly without completing circulation, thus affecting the heat dissipation effect. Correspondingly, the air outlet layer is mainly used to temporarily store the cold air generated by the cabin environment temperature control equipment 210 and guide it to the bridge duct. Here, the air outlet layer is not completely isolated by the upper panel, allowing it to be connected to the bridge duct guide layer, thus allowing the cold air to smoothly enter the bridge duct. The bridge duct guide layer is precisely connected to the bridge duct, guiding the cold air from the air outlet layer into the bridge duct efficiently, preventing the cold air from spreading to other areas of the container.

[0031] Regarding the overpass duct 222, it should be further explained that two C-shaped fixed crossbars 2221 are provided on both sides of the overpass duct 222. The lower part of the C-shaped fixed crossbars 2221 is fixed to the low-voltage control cabinet, and the upper part of the C-shaped fixed crossbars 2221 is fixed to the overpass duct upper cover plate 2222. The overpass duct upper cover plate 2222, the C-shaped fixed crossbars 2221, the end plate at the end of the overpass duct 222, and the overpass duct lower cover plate 2223 at the bottom of the overpass duct 222 form a closed duct. Optionally, the overpass duct upper cover plate 2222, the C-shaped fixed crossbars 2221, the end plate, and the overpass duct lower cover plate 2223 are detachably connected, for example, by bolts or self-tapping screws.

[0032] Further explanation is needed regarding the air duct of the control cabinet. The top of the low-voltage control cabinet 290 is equipped with a control cabinet air inlet 291. The figure shows two sets of low-voltage control cabinets 290, and each set of low-voltage control cabinets 290 is equipped with a corresponding control cabinet air inlet 291. The two control cabinet air inlets 291 are set close to each other to ensure uniform air intake and avoid uneven cooling air volume caused by the control cabinet air inlets 291 being too far apart.

[0033] In one embodiment, the cabin environment temperature control device is mounted on the side of the container closest to the low-pressure control compartment along the length of the container via a mounting bracket 2216, and a mounting plate 2217 is welded to the side of the mounting bracket 2216 closest to the container body. Optionally, the cabin environment temperature control device 210 can be an external air conditioner.

[0034] In one embodiment, the low-pressure control compartment 200 further includes: an insulating floor mat 230, an inspection port 240, an isolation base plate 250, and a channel steel base 260. The insulating floor mat 230 is laid on the bottom surface of the low-pressure control compartment 200; the inspection port 240 is opened on the bottom surface of the low-pressure control compartment 200; the isolation base plate 250 is laid on the insulating floor mat 230; the isolation base plate 250 has cable outlet holes; the channel steel base 260 is located between the bottom of the low-pressure control cabinet 290 and the isolation base plate 250; one end of the channel steel base 260 has a base air inlet 261, and the base air inlet 261 is connected to the air outlet of the control cabinet air duct; the other end of the channel steel base 260 has a base air outlet 262, and the base air outlet 262 is connected to the air inlet of the bottom air duct 224.

[0035] Regarding the channel steel base 260, it should be further explained that the low-voltage control cabinet 290 does not have a base plate at the bottom. The airflow enters the channel steel base 260 through the lower part of the low-voltage control cabinet 290 (i.e., the air outlet of the control cabinet air duct). One end of the channel steel base 260 has a base air inlet 261. After passing through the channel steel base 260, the airflow enters the bottom air duct 224 through the base air outlet 262 at the other end of the channel steel base 260. Further explanation of the bottom air duct 224 in conjunction with the channel steel base 260 is that the bottom air duct 224 is fixed to the bottom by a bottom cover plate 2241, which connects to the base air outlet 262 of the channel steel base 260 and the air inlet layer of the temperature control equipment air duct 221, respectively.

[0036] Regarding the internal layout of the low-pressure control compartment 200, an insulating floor mat 230 is laid on the bottom surface of the low-pressure control compartment 200. Fire extinguisher storage boxes are located in the corners of the low-pressure control compartment 200. An access panel 240 is provided on the bottom surface of the low-pressure control compartment 200 for easy access and maintenance. Cable trays for secondary cables are provided between the upper part of the walls and the ceiling of the low-pressure control compartment 200 to better protect the secondary cables. In addition, camera mounting brackets and cameras mounted on the camera mounting brackets are located at the top corners of the low-pressure control compartment 200.

[0037] Regarding the door structure of the low-voltage control cabinet 290, the low-voltage control cabinet 290 includes: a first main door 271, a first auxiliary door 272, a second main door 273, and a second auxiliary door 274. One side of the first main door 271 is hinged to the right-side column of the front of the low-voltage control cabinet 290; the first main door 271 rotates along the rear right side of the low-voltage control cabinet 290; the first secondary door 272 is hinged to the other side of the first main door 271; the first secondary door 272 rotates along the rear right side of the low-voltage control cabinet 290 with the first main door 271 and folds with the first main door 271; one side of the second main door 273 is hinged to the left-side column of the front of the low-voltage control cabinet 290; the second main door 273 rotates along the rear left side of the low-voltage control cabinet 290; the second secondary door 274 is hinged to the other side of the second main door 273; the second secondary door 274 rotates along the rear left side of the low-voltage control cabinet 290 with the second main door 273 and folds with the second main door 273; wherein, the first secondary door 272 and / or the second secondary door 274 are provided with observation windows 275, which allow observation of the working status inside the cabinet from outside, facilitating maintenance.

[0038] In this embodiment, the first main door 271 can be hinged to the right-side upright of the front of the low-voltage control cabinet 290. The first main door 271 and the first auxiliary door 272 can also be hinged together. The first auxiliary door 272, hinged together, can rotate towards the rear of the low-voltage control cabinet 290, thus folding. The first main door 271 can be hinged together and rotated towards the rear of the low-voltage control cabinet 290, causing the first auxiliary door 272 to rotate and move, ultimately achieving the outward folding of both the first main door 271 and the first auxiliary door 272. The second main door 273 and the second auxiliary door 274 on the other side have the same structure, achieving outward folding.

[0039] In this embodiment, the rear door switch of the low-pressure control cabinet 290 is not limited by space. There is no need to open the container side door at the rear door of the low-pressure control cabinet 290. The rear door of the low-pressure control cabinet 290 can also be opened from inside the container, which not only facilitates later maintenance but also reduces the possibility of external water seeping into the cabin through the container door.

[0040] In one embodiment, the low-voltage control cabinet 290 further includes: a knurled small-head bolt 281 and an explosion-proof bracket 282. The knurled small-head bolt 281 is suspended from the first main door 271, the first secondary door 272, the second main door 273, and the second secondary door 274 by nuts 283, and a pre-existing gap is reserved between the knurled small-head bolt 281 and the first main door 271, the first secondary door 272, the second main door 273, and the second secondary door 274; the explosion-proof bracket 282 is fixed inside the low-voltage control cabinet 290, and the explosion-proof bracket 282 is provided with nuts 283 that are adapted to the knurled small-head bolt 281; when the first main door 271, the first secondary door 272, the second main door 273, and the second secondary door 274 are closed, the knurled small-head bolt 281 is aligned with the nuts 283 on the explosion-proof bracket 282.

[0041] In this embodiment, a knurled small-head bolt 281 is provided at the rear of the low-voltage control cabinet 290. Generally, the knurled small-head bolt 281 can be attached to one or more of the first main door 271, the first auxiliary door 272, the second main door 273, and the second auxiliary door 274 using a nut. It is important to note that a gap needs to be left during the installation of the knurled small-head bolt 281 to align with the nut 283 on the explosion-proof bracket 282, and also to prevent it from being lost when the door is opened. An explosion-proof bracket 282 is installed inside the low-voltage control cabinet 290, and a nut is installed on the explosion-proof bracket 282. When the rear door is closed, the knurled small-head bolt 281 is aligned with the nut 283 on the explosion-proof bracket 282, and then tightened by rotation, thereby achieving the explosion-proof function of the rear door and increasing its strength to prevent deformation during transportation.

[0042] In one embodiment, the voltage conversion isolation assembly includes: a horizontal copper busbar 310, a through-bus support 320, an isolation plate 340, an insulating busbar clamp 330, and a primary adapter 350. The horizontal copper busbar 310 is electrically connected to the low-voltage side output terminal of the isolation transformer 130 via a transition copper busbar; the through-bus support 320 is installed on the top of the isolation transformer compartment 100; the horizontal copper busbar 310 is mounted on the through-bus support 320; the insulating busbar clamp 330 is fitted onto the outside of the horizontal copper busbar 310 and connected to the through-bus support 320; the isolation plate 340 is installed on the wall of the isolation transformer compartment 100 near the low-voltage control compartment 200; the primary adapter 350 is mounted on the isolation plate 340; and the low-voltage control cabinet 290 is electrically connected to the low-voltage side of the isolation transformer 130 via the primary adapter 350.

[0043] In this embodiment, the isolation transformer compartment 100 and the low-voltage control compartment 200 are completely isolated by an isolation plate 340. The isolation plate 340 is provided with a primary adapter 350, which enables the horizontal copper busbar 310 to pass through from the isolation transformer compartment 100 to the low-voltage control compartment 200, ensuring the isolation between the compartments and better protecting the low-voltage control compartment 200.

[0044] In one embodiment, the system further includes an exhaust device 400, which is installed on the outside of the isolation transformer compartment 100 of the container along a first side of the container's width direction. The exhaust device 400 provided in this embodiment has a movable, openable structure, allowing for the replacement of the axial flow fan from outside the container without shutting down the isolation transformer, thus facilitating future maintenance.

[0045] Detailed structural description of the exhaust device 400. The exhaust device 400 includes: a support frame 410, a fan mounting plate 420, an axial flow fan 430, an air switch 440, an air switch protection box 450, an upper guide rail 460, a lower guide rail 470, two fan covers 480, and a water-retaining eaves 490. The support frame 410 is installed on the outer wall of the isolation transformer compartment 100; wherein, the support frame 410 has a water-proof groove 411 on one side of the outer wall of the isolation transformer compartment 100; the fan mounting plate 420 is installed on the support frame 410; the axial flow fan 430 is installed on one side of the fan mounting plate 420 opposite to the support frame 410; the circuit breaker 440 is installed on the side of the fan mounting plate 420 opposite to the support frame 410; the circuit breaker protection box 450 is covered on the circuit breaker 440 and is connected to the side of the fan mounting plate 420 opposite to the support frame 410 by welding nuts 283 welded to the side of the fan mounting plate 420 opposite to the support frame 410; the upper guide rail 460 and the lower guide rail 470 are respectively installed horizontally on the outer wall of the isolation transformer compartment 100, and The upper guide rail 460 and the lower guide rail 470 are arranged on the upper and lower sides of the fan mounting plate 420; the upper guide rail 460 and the lower guide rail 470 are provided with limiting members at both ends; the fan cover 480 is slidably connected to the upper guide rail 460 and the lower guide rail 470, and the two fan covers 480 open and close in the horizontal direction; the opposite edges of the two fan covers 480 are provided with waterproof folded edges; the bottom of the fan cover 480 is provided with a ventilation plate; the side of the fan cover 480 opposite to the outer wall of the isolation transformer compartment 100 is attached to the side of the support frame 410 opposite to the outer wall of the isolation transformer compartment 100, and a gap is formed between the fan cover 480 and the outer wall of the isolation transformer compartment 100 through the water-proof groove 411 of the support frame 410; the water-proof eaves 490 are located on the top of the fan cover 480 and are installed on the outer wall of the isolation transformer compartment 100.

[0046] In this embodiment, the support frame 410 can be an L-shaped angle steel frame. Specifically, the L-shaped angle steel frame faces outward and is equipped with welded nuts for bolt fixing to the fan mounting plate 420, facilitating operation from outside the container. It is important to note that the L-shaped angle steel frame extends out of the container and has a water-proof groove to create a space between it and the fan cover 480, preventing water flowing down from the top from contacting the fan mounting plate 420, thus improving waterproofing. A circuit breaker protection box 450 is installed on the fan mounting plate 420. The circuit breaker protection box 450 can be fixed to the fan mounting plate 420 using welded nuts welded to the back of the fan mounting plate 420, allowing for front-side removal of the circuit breaker protection box 450 for easy maintenance.

[0047] In this embodiment, the upper guide rail 460 and the lower guide rail 470 are used to place the stainless steel bearing; the two ends of the upper guide rail 460 and the lower guide rail 470 have limit plates to restrict the stainless steel bearing within the tracks of the upper guide rail 460 and the lower guide rail 470. The stainless steel bearing is equipped with a T-shaped shaft to fix two fan covers, so that the two fan covers can slide horizontally (i.e., left and right) along the upper guide rail 460 and the lower guide rail 470 following the stainless steel bearing.

[0048] In this embodiment, the bottom of the hood 480 is provided with a ventilation plate, which can be a metal wire mesh structure. The top of the hood can be provided with an inclined eave to facilitate airflow. Arm plates are provided on the opposite end faces of the two hoods 480. The arm plates are right-angled plates without chamfers and have internal notches, so that when the two hoods are combined, their interiors form a unified airflow channel. Furthermore, the edges of the arm plates are provided with folded edges to form a waterproof structure and enhance waterproofing capabilities.

[0049] In one embodiment, it also includes: a main door 500, a side door 600, an air inlet window 800, a climbing frame 900, and a fire alarm equipment box 700.

[0050] The main door 500 is located on the side of the container closest to the isolation transformer compartment 100 along the length of the container. A small door 600 is located on the low-pressure control compartment 200 of the container along the width of the container; a fire alarm equipment box 700 is installed outside the low-pressure control compartment 200 of the container along the width of the container. An air inlet 800 is located at the bottom of the isolation transformer compartment 100 of the container along the width of the container; the air inlet 800 can be an aluminum alloy louver with an outdoor replaceable filter screen. A climbing frame 900 is installed outside the low-pressure control compartment 200 of the container along the width of the container.

[0051] In one embodiment, the isolation transformer compartment 100 includes an inner mesh door 110 and a fire extinguisher placement box 120. The inner mesh door 110 is installed inside the isolation transformer compartment 100 on the side near the main door 500; the inner mesh door is equipped with an electromagnetic lock for electrical safety interlocking to protect personnel safety; the fire extinguisher placement box 120 is located at the edge between the inner mesh door 110 and the main door 500.

[0052] In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and other orientations or positional relationships are used only for ease of description and simplification of operation, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are merely used for distinction in description and have no special meaning.

[0053] In the description of this specification, references to terms such as "an embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0054] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0055] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without any inventive effort, and these embodiments will all fall within the scope of protection of this utility model.

Claims

1. A containerized power supply system for outdoor shore power, characterized in that, include: An isolation transformer compartment (100) is located inside a container; an isolation transformer (130) is installed inside the isolation transformer compartment (100), and the high-voltage side of the isolation transformer (130) is electrically connected to an external power source; A low-pressure control compartment (200) is located inside the container; a low-pressure control cabinet (290) is installed inside the low-pressure control compartment (200). A cabin environment temperature control device (210) is installed on the container on the side of the container that is close to the low-pressure control compartment (200) along the length of the container; the upper part of the cabin environment temperature control device (210) is provided with a temperature control device air outlet (211), and the lower part of the cabin environment temperature control device (210) is provided with a temperature control device air inlet (212). A circulating heat dissipation component (220) is arranged in a closed ring shape in the low-pressure control chamber (200). The air inlet of the circulating heat dissipation component (220) is connected to the air outlet (211) of the temperature control device, and the air outlet of the circulating heat dissipation component (220) is connected to the air inlet (212) of the temperature control device. A voltage conversion isolation component is electrically connected between the low-voltage control cabinet (290) and the low-voltage side of the isolation transformer (130), and isolates the isolation transformer compartment (100) and the low-voltage control compartment (200).

2. The outdoor shore power container power system according to claim 1, characterized in that, The circulating heat dissipation assembly (220) includes: The temperature control equipment air duct (221) has its air inlet located inside the low-pressure control chamber (200). The temperature control equipment air duct (221) includes, from bottom to top, an air inlet layer, an air outlet layer, and a skybridge air duct diversion layer. The air inlet layer is isolated from the air outlet layer and is connected to the temperature control equipment air inlet (212). The air outlet layer is connected to the skybridge air duct diversion layer and is connected to the temperature control equipment air outlet (211). The overhead air duct (222) is located on the outer top of the low-voltage control cabinet (290), and the air inlet of the overhead air duct (222) is connected to the air diversion layer of the temperature control equipment air duct (221); The control cabinet air duct is located at the inner top of the low-voltage control cabinet (290) and is arranged along the height direction of the low-voltage control cabinet (290); the air inlet of the control cabinet air duct is connected to the air outlet of the overhead bridge air duct (222). The bottom air duct (224) has an air inlet connected to the air outlet of the control cabinet air duct, and the air outlet of the bottom air duct (224) is connected to the air inlet layer.

3. The container power system for outdoor shore power according to claim 2, characterized in that, The low-pressure control chamber (200) also includes: An insulating mat (230) is laid on the bottom surface of the low-pressure control chamber (200); Inspection port (240) is located on the bottom surface of the low-pressure control compartment (200); An isolation base plate (250) is laid on the insulating mat (230); the isolation base plate (250) is provided with cable outlet holes; A channel steel base (260) is provided between the bottom of the low-voltage control cabinet (290) and the isolation base plate (250); one end of the channel steel base (260) is provided with a base air inlet (261), and the base air inlet (261) is connected to the air outlet of the control cabinet air duct; the other end of the channel steel base (260) is provided with a base air outlet, and the base air outlet is connected to the air inlet of the bottom air duct (224).

4. The container power system for outdoor shore power according to claim 1, characterized in that, The low-voltage control cabinet (290) includes: The first main door (271) is hinged to the right side column of the front of the low-voltage control cabinet (290) on one side; the first main door (271) rotates along the rear right side of the low-voltage control cabinet (290); The first auxiliary door (272) is hinged to the other side of the first main door (271); the first auxiliary door (272) rotates along the right rear of the low-voltage control cabinet (290) with the first main door (271) and folds with the first main door (271); The second main door (273) is hinged to the left side of the front column of the low-voltage control cabinet (290) on one side; the second main door (273) rotates along the rear left side of the low-voltage control cabinet (290); The second auxiliary door (274) is hinged to the other side of the second main door (273); the second auxiliary door (274) rotates along the left rear of the low-voltage control cabinet (290) with the second main door (273) and folds with the second main door (273); The first secondary door (272) and / or the second secondary door (274) are provided with observation windows (275).

5. The outdoor shore power container power system according to claim 4, characterized in that, The low-voltage control cabinet (290) also includes: A knurled small-head bolt (281) is suspended by a nut (283) on the first main door (271), the first secondary door (272), the second main door (273), and the second secondary door (274), and a pre-reserved gap is provided between the knurled small-head bolt (281) and the first main door (271), the first secondary door (272), the second main door (273), and the second secondary door (274); An explosion-proof bracket (282) is fixed inside the low-voltage control cabinet (290). The explosion-proof bracket (282) is provided with a nut (283) that is compatible with the knurled small head bolt (281). When the first main door (271), the first secondary door (272), the second main door (273) and the second secondary door (274) are closed, the knurled small head bolt (281) is aligned with the nut (283) on the explosion-proof bracket (282).

6. The container power system for outdoor shore power according to claim 1, characterized in that, The voltage conversion isolation component includes: A horizontal copper busbar (310) is electrically connected to the low-voltage side output terminal of the isolation transformer (130) via a transition copper busbar. A through-bracket (320) is installed on top of the isolation transformer compartment (100); a horizontal copper busbar (310) is installed on the through-bracket (320); An insulating busbar clamp (330) is fitted on the outside of the horizontal copper busbar (310) and connected to the through busbar bracket (320); An isolation plate (340) is installed on the wall of the isolation transformer compartment (100) on the side near the low-voltage control compartment (200); A primary adapter (350) is mounted on the isolation plate (340); the low-voltage control cabinet (290) is electrically connected to the low-voltage side of the isolation transformer (130) through the primary adapter (350).

7. The outdoor shore power container power system according to claim 1, characterized in that, Also includes: An exhaust device (400) is installed on the outside of the isolation transformer compartment (100) of the container along the first side of the container width direction.

8. The container power system for outdoor shore power according to claim 7, characterized in that, The exhaust device (400) includes: A support frame (410) is installed on the outer wall of the isolation transformer compartment (100); wherein, the support frame (410) has a water-proof groove (411) on one side of the outer wall of the isolation transformer compartment (100). A fan mounting plate (420) is mounted on the support frame (410); An axial flow fan (430) is mounted on one side of the fan mounting plate (420) relative to the support frame (410); An air switch (440) is installed on the side of the fan mounting plate (420) opposite to the support frame (410); Circuit breaker protection box (450), the circuit breaker protection box (450) is covered on the circuit breaker (440), and is connected to the side of the fan mounting plate (420) opposite to the support frame (410) by welding nuts (283) welded to the side of the fan mounting plate (420) opposite to the support frame (410); An upper guide rail (460) and a lower guide rail (470) are installed horizontally on the outer wall of the isolation transformer compartment (100), and the upper guide rail (460) and the lower guide rail (470) are arranged on the upper and lower sides of the fan mounting plate (420); the upper guide rail (460) and the lower guide rail (470) are provided with limiting members at both ends; Two hoods (480) are slidably connected to the upper guide rail (460) and the lower guide rail (470). The two hoods (480) can open and close in the horizontal direction. Waterproof folds are provided on the opposite edges of the two hoods (480). A ventilation plate is provided at the bottom of the hoods (480). The hoods (480) are mounted on the side of the support frame (410) opposite to the outer wall of the isolation transformer compartment (100) and are installed in close contact with the outer wall of the isolation transformer compartment (100) through the water-proof groove (411) of the support frame (410). A water-blocking eave (490) is located on top of the wind shield (480) and is installed on the outer wall of the isolation transformer compartment (100).

9. The outdoor shore power containerized power system according to any one of claims 1 to 8, characterized in that, Also includes: A door (500) is provided on the container on the side of the container that is close to the isolation transformer compartment (100) along the length of the container. A small door (600) is opened on the low-pressure control compartment (200) of the container on the second side along the width direction of the container; A fire alarm equipment box (700) is installed outside the low-pressure control compartment (200) of the container on the second side along the width direction of the container; An air inlet window (800) is provided on the second side along the width direction of the container at the bottom of the isolation transformer compartment (100) of the container; A climbing frame (900) is installed on the outside of the low-pressure control compartment (200) of the container on the first side along the width direction of the container.

10. The containerized power supply system for outdoor shore power according to claim 9, characterized in that, The isolation transformer compartment (100) includes: An internal network door (110) is installed inside the isolation transformer compartment (100) on the side near the main gate (500); the internal network door is equipped with an electromagnetic lock. Fire extinguisher placement box (120) is located at the edge between the inner mesh door (110) and the main door (500).

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