A prefabricated cabin for a wind power step-up substation

Abstract

This application relates to the technical field of prefabricated cabins, and specifically discloses a prefabricated cabin for a wind power step-up substation, which includes a prefabricated cabin outer shell, a waterproof compartment, and a triggering system. The prefabricated cabin outer shell is connected to an offshore platform, and an access door is provided on one side for maintenance personnel to enter and exit. The waterproof compartment is connected to the prefabricated cabin outer shell and is arranged close to the access door. A waterproof door is provided on one side of the waterproof compartment, and the waterproof compartment has two states. When it rains, the waterproof compartment is in the first state, and the waterproof compartment separates the access door from the internal space of the prefabricated cabin outer shell. After the rain stops, the waterproof compartment is in the second state, and after the access door is opened, the internal space of the prefabricated cabin outer shell can be directly entered. The triggering system is connected to the waterproof compartment and is used to control the transition between the first state and the second state of the waterproof compartment. This application has the effect of facilitating the opening of the prefabricated cabin of the wind power step-up substation and entering the interior of the prefabricated cabin for maintenance during typhoon and rainy weather.

Description

Technical Field

[0001] This application relates to the technical field of prefabricated cabins, and particularly to a prefabricated cabin for a wind power step-up substation. Background Art

[0002] A wind power step-up substation is a device that boosts the electricity generated by wind power to a voltage level suitable for transmission to the power grid. The voltage generated by a wind turbine is relatively low and needs to be stepped up before it can be connected to the power grid. The wind power step-up substation of this application is a wind power step-up substation for offshore wind power generation, which is used to step up and transmit the electricity generated by offshore wind turbine generators to the onshore power grid.

[0003] When the wind power step-up substation is in use, when encountering typhoon weather, if it is necessary to repair or inspect the inside of the wind power step-up substation, if the door is directly opened, the outside rainwater is likely to directly enter the inside of the wind power step-up substation under the action of the typhoon, thus affecting the electrical appliances inside the prefabricated cabin of the wind power step-up substation and making it inconvenient to open the prefabricated cabin of the wind power step-up substation to enter the inside of the prefabricated cabin for repair in typhoon and rainy weather. Summary of the Invention

[0004] In order to facilitate opening the prefabricated cabin of the wind power step-up substation to enter the inside of the prefabricated cabin for repair in typhoon and rainy weather, this application provides a prefabricated cabin for a wind power step-up substation.

[0005] The prefabricated cabin for a wind power step-up substation provided by this application adopts the following technical solutions:

[0006] A prefabricated cabin for a wind power step-up substation, comprising:

[0007] A prefabricated cabin shell, connected to an offshore platform, with an access door opened on one side;

[0008] A waterproof compartment, connected to the prefabricated cabin shell, the waterproof compartment is arranged close to the access door, a waterproof door is opened on one side of the waterproof compartment, and the waterproof compartment has two states; when it is raining, the waterproof compartment is in the first state, and the waterproof compartment separates the access door from the internal space of the prefabricated cabin shell; after the rain stops, the waterproof compartment is in the second state, and after the access door is opened, it is possible to directly enter the internal space of the prefabricated cabin shell;

[0009] A trigger system, electrically connected to the waterproof compartment, for controlling the transformation between the first state and the second state of the waterproof compartment.

[0010] By adopting the above technical solution, when it rains in typhoon weather, the waterproof compartment is in the first state. After the maintenance personnel open the access door, the waterproof compartment can form an isolated space near the access door inside the prefabricated cabin. When the maintenance personnel enter the prefabricated cabin, the outside rainwater will be separated by the waterproof compartment, reducing the probability of the outside rainwater directly contacting the electrical appliances inside the prefabricated cabin. After entering the waterproof compartment, the maintenance personnel close the access door to reduce the interference of the external environment of the prefabricated cabin, and then open the waterproof door, and the maintenance personnel can repair the electrical appliances inside the prefabricated cabin. On sunny days, the waterproof compartment is in the second state, and the electrical appliances can be repaired by directly opening the access door. By forming a waterproof compartment at the access door in typhoon rainy weather, it is reduced that the outside rainwater directly contacts the electrical appliances inside the prefabricated cabin when the maintenance personnel open the door, thereby facilitating the opening of the prefabricated cabin of the wind power booster station in typhoon rainy weather and entering the prefabricated cabin for maintenance.

[0011] Optionally, the waterproof compartment includes a first baffle, a second baffle and a third baffle, the first baffle is located on one side of the access door and is hinged to the prefabricated cabin shell, the second baffle is located on the other side of the access door and is hinged to the prefabricated cabin shell, one side of the third baffle is connected to the second baffle, and the other side of the third baffle can be connected to the side of the first baffle facing away from the prefabricated cabin shell.

[0012] By adopting the above technical solution, when the outside of the prefabricated cabin is in typhoon and rainy weather, the first baffle, the second baffle and the third baffle can rotate to form a water-proof area, effectively reducing the amount of rainwater from the outside directly entering the internal space of the prefabricated cabin shell and contacting the electrical appliances. When maintenance personnel need to enter the prefabricated cabin for maintenance, the first baffle, the second baffle and the third baffle can ensure that rainwater can be effectively prevented from entering even when the access door is open, thereby improving the safety of maintenance personnel working under adverse weather conditions.

[0013] Optionally, the prefabricated cabin shell is provided with a drainage hole, and the drainage hole is located between the first baffle plate and the second baffle plate.

[0014] By adopting the above technical solution, when maintenance personnel need to enter the prefabricated cabin for inspection or maintenance, the drainage hole can drain the rainwater brought by the maintenance personnel entering the prefabricated cabin, reducing the probability of electrical appliances inside the prefabricated cabin being disturbed by rainwater.

[0015] Optionally, a control mechanism is connected to one side of the second baffle connected to the prefabricated cabin shell, and the control mechanism is used to control whether the access door can be opened.

[0016] By adopting the above technical solution, arranging a control mechanism on the first baffle can control whether the access door can be opened. When the waterproof compartment changes between the first state and the second state, the control mechanism can control the access door to be unable to open, thereby improving the safety of the waterproof compartment.

[0017] Optionally, the control mechanism includes a lock block and a locking rod. The lock block is connected to one side of the access door close to the second baffle. A locking arc groove is formed in the lock block. The center of the locking arc groove is the rotation center of the second baffle. The opening direction of the locking arc groove is the same as the direction of the rotation axis of the second baffle. The locking rod is connected to one side of the second baffle close to the access door. The locking rod can slide in the locking arc groove. After the waterproof compartment forms the first state or the waterproof compartment forms the second state, the locking rod disengages from the locking arc groove.

[0018] By adopting the above technical solution, when the waterproof compartment changes to the first state, the lock block and the locking rod can be connected through the locking arc groove, so as to lock the access door. Reduced the probability that when the waterproof compartment changes to the first state, maintenance personnel open the access door and rainwater directly contacts the electrical appliances inside the prefabricated cabin. At the same time, it reduces the probability that maintenance personnel are injured by the actions during the transformation of the waterproof compartment after entering the access door.

[0019] Optionally, a partition board is connected to the pore wall of the drain hole. The partition board is electrically connected to a connection switch. The connection switch is located on the moving path of the locking rod. After the waterproof compartment forms the first state, the locking rod abuts against the connection switch.

[0020] By adopting the above technical solution, the partition board being electrically connected to the connection switch enhances the safety of the prefabricated cabin. When the waterproof compartment is in the first state, the locking rod abuts against the connection switch, triggering the connection switch, so that the partition board opens to drain the waterproof compartment. Reduced the probability that the drain hole opens when the waterproof compartment is in the second state. Only when the waterproof compartment is in the first state can the drain hole be opened, reducing the probability that when the waterproof compartment is in the second state, the drain hole opens and external air directly enters the prefabricated cabin through the drain hole.

[0021] Optionally, a water storage tank is arranged at the top of the outer shell of the prefabricated cabin.

[0022] By adopting the above technical solution, the water storage tank can collect rainwater when it rains, thereby increasing the means for the prefabricated cabin to store and collect fresh water.

[0023] Optionally, the trigger system includes a water level sensor, a first rotating mechanism, a second rotating mechanism, and a third rotating mechanism. The water level sensor is disposed in the reservoir. The first rotating mechanism is connected to the first baffle, the second rotating mechanism is connected to the second baffle, and the third rotating mechanism is connected to the third baffle. The first rotating mechanism, the second rotating mechanism, and the third rotating mechanism are all electrically connected to the water level sensor.

[0024] By adopting the above technical solution, the first rotating mechanism is connected to the first baffle, the second rotating mechanism is connected to the second baffle, and the third rotating mechanism is connected to the third baffle, and they are electrically connected to the water level sensor. When the water level sensor detects that the water level in the reservoir changes violently due to typhoon and rainy weather, the water level sensor will trigger the actions of the first rotating mechanism, the second rotating mechanism, and the third rotating mechanism through electrical signals, so that the waterproof compartment forms the first state.

[0025] Optionally, the first rotating mechanism includes a rotating motor and a stop touch plate. The rotating motor is connected to the first baffle, and the stop touch plate is connected to the first baffle. When the waterproof compartment is in the first state, the stop touch plate abuts against the outer shell of the prefabricated cabin. The second rotating mechanism has the same structure as the first rotating mechanism.

[0026] By adopting the above technical solution, when the first rotating mechanism rotates to the required angle, the stop touch plate can abut against the outer shell of the prefabricated cabin, and then send a signal to stop the rotating motor from driving, thereby reducing the probability of damage caused by the excessive rotation angle of the rotating mechanism.

[0027] Optionally, the first baffle is connected with a storage rack for placing sundries.

[0028] By adopting the above technical solution, after the maintenance personnel enter the waterproof compartment, they can place items such as umbrellas and raincoats on the storage rack, which is convenient for the maintenance personnel to repair the electrical appliances inside the prefabricated cabin.

[0029] In summary, the present application includes at least one of the following beneficial technical effects:

[0030] 1. When it is rainy outside the prefabricated cabin, the waterproof compartment is in the first state, thereby separating the space at the access door from the internal space of the outer shell of the prefabricated cabin, reducing the probability of direct contact between external rainwater and the electrical appliances inside the prefabricated cabin. After the maintenance personnel enter the waterproof compartment, they close the access door to reduce the interference of the external environment of the prefabricated cabin. Then they open the waterproof door, and the maintenance personnel can repair the electrical appliances inside the prefabricated cabin, which facilitates the opening of the prefabricated cabin of the wind power booster station in typhoon and rainy weather to enter the inside of the prefabricated cabin for maintenance;

[0031] 2. Connect a locking rod to the second baffle and a lock block to the access door so that when the waterproof compartment transitions between the first state and the second state, the locking rod can lock the lock block, preventing the access door from being opened. This reduces the probability that maintenance personnel will enter the interior of the prefabricated cabin when the waterproof compartment transitions between the first state and the second state, resulting in injury to the maintenance personnel and the waterproof compartment failing to achieve the preset effect.

[0032] 3. By opening a water storage tank above the outer shell of the prefabricated cabin, fresh water can be collected during rainy days. At the same time, the trigger system can determine whether the outside is in a typhoon and rainy weather by the water level change inside the water storage tank, such as a large increase in the water level of the water storage tank in a short period of time or the instability of the water level in the water storage tank, so as to control the state of the waterproof compartment. Brief Description of the Drawings

[0033] Figure 1 is a schematic diagram of the external structure of an embodiment of the present application.

[0034] Figure 2 is a schematic diagram of the structure of the internal waterproof compartment in the first state of an embodiment of the present application.

[0035] Figure 3 is a schematic diagram of the structure of the internal waterproof compartment in the second state of an embodiment of the present application.

[0036] Figure 4 is a schematic diagram of the structure of the waterproof compartment of an embodiment of the present application.

[0037] Figure 5 is the present application Figure 2 Schematic enlarged view of the structure of part A.

[0038] Figure 6 is a schematic diagram of the structure of the access door in an embodiment of the present application.

[0039] In the figure: 1. Outer shell of the prefabricated cabin; 11. Access door; 12. Drain hole; 13. Isolation board; 14. Water storage tank; 2. Waterproof compartment; 21. Waterproof door; 22. First baffle; 221. Storage rack; 23. Second baffle; 24. Third baffle; 3. Trigger system; 31. Water level sensor; 32. First rotating mechanism; 322. Stop touch plate; 33. Second rotating mechanism; 34. Third rotating mechanism; 41. Lock block; 411. Locking arc groove; 42. Locking rod; 5. Connecting switch. Detailed Embodiment

[0040] The following further elaborates on the present application in conjunction with the attached Figures 1-6 for a more detailed description.

[0041] An embodiment of the present application discloses a prefabricated cabin for a wind power step-up substation. Refer to Figures 1-3A prefabricated cabin for a wind power booster station includes a prefabricated cabin shell 1, a waterproof compartment 2 and a trigger system 3.

[0042] The prefabricated cabin shell 1 is connected to the offshore platform, and an access door 11 is provided on one side, and the access door 11 is used to provide access for maintenance personnel. The waterproof compartment 2 is connected to the prefabricated cabin shell 1, and the waterproof compartment 2 is arranged close to the access door 11. A waterproof door 21 is provided on one side of the waterproof compartment 2, and the waterproof compartment 2 has two states. When it rains, the waterproof compartment 2 is in the first state, and the waterproof compartment 2 separates the access door 11 from the internal space of the prefabricated cabin shell 1. After the rain stops, the waterproof compartment 2 is in the second state, and after opening the access door 11, the internal space of the prefabricated cabin shell 1 can be directly entered. The trigger system 3 is electrically connected to the waterproof compartment 2, and is used to control the transition of the waterproof compartment 2 between the first state and the second state.

[0043] Under severe weather conditions, such as typhoon weather and rain, the waterproof compartment 2 of the prefabricated cabin is in the first state. When the maintenance personnel open the access door 11, the waterproof compartment 2 will form an isolated space inside the prefabricated cabin, especially near the access door 11. This isolated space can effectively prevent external rainwater from entering the interior of the prefabricated cabin and reduce the possibility of rainwater directly contacting the electrical appliances inside the prefabricated cabin. Once the maintenance personnel enter the waterproof compartment 2 and close the access door 11, the interference of the external environment of the prefabricated cabin will be reduced. Then, the maintenance personnel can open the waterproof door 21 and perform necessary electrical maintenance work. On sunny days, the waterproof compartment 2 is in the second state, and the electrical appliances can be directly entered into the prefabricated cabin by opening the access door 11. This method effectively reduces the impact of external rainwater on the electrical appliances inside the prefabricated cabin through the waterproof compartment 2 under severe weather conditions, and facilitates the opening of the prefabricated cabin of the wind power booster station in typhoon and rainy weather to enter the prefabricated cabin for maintenance.

[0044] Reference Figure 1 A water reservoir 14 is provided at the top of the prefabricated cabin shell 1, and the water reservoir 14 is connected to the trigger system 3, and the water reservoir 14 is connected to a drainage pipe. The water reservoir 14 can collect rainwater when it rains, which increases the means of storing and collecting fresh water in the prefabricated cabin. The trigger system 3 is triggered by sensing the water level change in the water reservoir 14. The drainage pipe facilitates the use of water in the water reservoir 14.

[0045] Reference Figure 2 and Figure 3 The waterproof compartment 2 includes a first baffle 22, a second baffle 23 and a third baffle 24. The first baffle 22 is located on one side of the access door 11 and is hinged to the prefabricated cabin shell 1. The second baffle 23 is located on the other side of the access door 11 and is hinged to the prefabricated cabin shell 1. One side of the third baffle 24 is connected to the second baffle 23, and the other side of the third baffle 24 can be connected to the side of the first baffle 22 away from the prefabricated cabin shell 1.

[0046] During typhoon and rainy weather, the first, second, and third baffles 24 outside the prefabricated cabin can rotate to form a first state of the waterproof compartment 2. This design effectively reduces the possibility of external rainwater directly entering the internal space of the prefabricated cabin shell 1 and contacting electrical appliances. When maintenance personnel need to enter the prefabricated cabin for maintenance, even if the access door 11 is opened, the first, second, and third baffles 24 can remain in position, effectively preventing rainwater from entering. This improves the work safety of maintenance personnel under adverse weather conditions.

[0047] Referring to Figure 1 and Figure 4 , the trigger system 3 includes a water level sensor 31, a first rotating mechanism 32, a second rotating mechanism 33, and a third rotating mechanism 34. The water level sensor 31 is arranged in the water storage tank 14. The first rotating mechanism 32 is connected to the first baffle 22, the second rotating mechanism 33 is connected to the second baffle 23, and the third rotating mechanism 34 is connected to the third baffle 24. The first rotating mechanism 32, the second rotating mechanism 33, and the third rotating mechanism 34 are all electrically connected to the water level sensor 31.

[0048] The first rotating mechanism 32 is connected to the first baffle 22, the second rotating mechanism 33 is connected to the second baffle 23, and the third rotating mechanism 34 is connected to the third baffle 24, and they are electrically connected to the water level sensor 31. When the water level in the water storage tank 14 changes rapidly due to typhoon and rainy weather, the water level sensor 31 triggers the movement of the first rotating mechanism 32, the second rotating mechanism 33, and the third rotating mechanism 34 through an electrical signal, thereby converting the waterproof compartment 2 into the first state.

[0049] Referring to Figure 4 , the first rotating mechanism 32 includes a rotating motor and a stop touch plate 322. The rotating motor is connected to the first baffle 22, and the stop touch plate 322 is connected to the first baffle 22. When the waterproof compartment 2 is in the first state, the stop touch plate 322 abuts against the prefabricated cabin shell 1. The second rotating mechanism 33 and the third rotating mechanism 34 have the same structure as the first rotating mechanism 32.

[0050] When the first rotating mechanism 32 rotates to the required angle, the stop touch plate 322 will contact the shell of the prefabricated cabin and then send a signal to notify the rotating motor to stop working, thereby effectively reducing the possibility of damage caused by the excessive rotation angle of the rotating mechanism.

[0051] Referring to Figure 5 and Figure 6, a control mechanism is connected to one side of the prefabricated cabin shell 1 where the second baffle 23 is connected. The control mechanism includes a locking block 41 and a locking rod 42. The locking block 41 is connected to the side of the access door 11 close to the second baffle 23. A locking arc groove 411 is formed in the locking block 41. The center of the locking arc groove 411 is the rotation center of the second baffle 23. The opening direction of the locking arc groove 411 is the same as the direction of the rotation axis of the second baffle 23. The locking rod 42 is connected to the side of the second baffle 23 close to the access door 11. The locking rod 42 can slide in the locking arc groove 411. After the waterproof compartment 2 forms the first state or the second state, the locking rod 42 disengages from the locking arc groove 411.

[0052] When the waterproof compartment 2 changes to the first state, the locking rod 42 can be connected to the locking block 41 through the locking arc groove 411, thereby locking the access door 11. This design reduces the possibility that rainwater in the outside world directly contacts the electrical appliances inside the prefabricated cabin when maintenance personnel open the access door 11. At the same time, it also reduces the risk of injury to maintenance personnel due to the change of the waterproof compartment 2 after entering the access door 11.

[0053] Refer to Figure 2 and Figure 3 , a storage rack 221 is connected to the first baffle 22. The storage rack 221 is used for placing sundries. Telescopic plates are evenly arranged at the tops of the first baffle 22, the second baffle 23 and the third baffle 24. The telescopic plates can be in the extended state when the waterproof compartment 2 is in the first rotation state. The extended telescopic plates can abut against the top of the prefabricated cabin shell 1 to enhance the performance of the waterproof compartment 2. When the waterproof compartment 2 is in the second state, the telescopic plates contract to facilitate the rotation of the first baffle 22, the second baffle 23 and the third baffle 24.

[0054] Refer to Figure 2 and Figure 3 , a drain hole 12 is formed in the prefabricated cabin shell 1. The drain hole 12 is located between the first baffle 22 and the second baffle 23. An isolation plate 13 is connected to the hole wall of the drain hole 12. The isolation plate 13 is electrically connected to a communication switch 5. The communication switch 5 is located on the moving path of the locking rod 42. When the waterproof compartment 2 forms the first state, the locking rod 42 abuts against the communication switch 5.

[0055] By electrically connecting the isolation plate 13 to the communication switch 5, the safety of the prefabricated cabin is enhanced. When the waterproof compartment 2 is in the first state, the locking rod 42 contacts the communication switch 5, triggering the communication switch 5, and the isolation plate 13 opens, thereby realizing the drainage of the waterproof compartment 2. This design reduces the possibility that the drain hole 12 opens by itself when the waterproof compartment 2 is in the second state. Only when the waterproof compartment 2 is in the first state can the drain hole 12 be opened, which reduces the risk that when the waterproof compartment 2 is in the second state, the drain hole 12 opens, causing outside air to directly enter the prefabricated cabin through the drain hole 12.

[0056] The implementation principle of a prefabricated cabin for a wind power step-up substation in an embodiment of the present application is as follows: during typhoons and rainy days, the waterproof compartment 2 outside the prefabricated cabin will remain in the first state, thereby isolating the access door 11 from the space inside the prefabricated cabin and reducing the possibility of external rainwater directly contacting the electrical appliances inside the prefabricated cabin. After maintenance personnel enter the waterproof compartment 2, they will close the access door 11 to reduce the interference of the external environment on the maintenance work. Then, open the waterproof door 21 to repair the electrical appliances inside the prefabricated cabin. This facilitates entering the prefabricated cabin of the wind power step-up substation during typhoon and rainy weather to perform repairs inside the prefabricated cabin.

[0057] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A prefabricated cabin for a wind power step-up substation, characterized in that, include: A prefabricated cabin shell (1) connected to the offshore platform, with an access door (11) opened on one side; A waterproof compartment (2) is connected to the prefabricated cabin shell (1), the waterproof compartment (2) is arranged close to the access door (11), a waterproof door (21) is provided on one side of the waterproof compartment (2), and the waterproof compartment (2) has two states: when it rains, the waterproof compartment (2) is in a first state, and the waterproof compartment (2) separates the access door (11) from the internal space of the prefabricated cabin shell (1); after the rain stops, the waterproof compartment (2) is in a second state, and after opening the access door (11), the internal space of the prefabricated cabin shell (1) can be directly entered; A trigger system (3) is electrically connected to the waterproof compartment (2) and is used to control the transition of the waterproof compartment (2) between a first state and a second state.

2. The prefabricated cabin for a wind power step-up substation according to claim 1, wherein: The waterproof compartment (2) comprises a first baffle (22), a second baffle (23) and a third baffle (24); the first baffle (22) is located on one side of the access door (11) and is hinged to the prefabricated cabin shell (1); the second baffle (23) is located on the other side of the access door (11) and is hinged to the prefabricated cabin shell (1); one side of the third baffle (24) is connected to the second baffle (23), and the other side of the third baffle (24) can be connected to a side of the first baffle (22) facing away from the prefabricated cabin shell (1).

3. A prefabricated cabin for a wind power step-up substation according to claim 2, characterized in that: The prefabricated cabin shell (1) is provided with a drainage hole (12), and the drainage hole (12) is located between the first baffle plate (22) and the second baffle plate (23).

4. The prefabricated cabin for a wind power step-up substation according to claim 3, characterized in that: A control mechanism is connected to one side of the second baffle (23) connected to the prefabricated cabin shell (1), and the control mechanism is used to control whether the access door (11) can be opened.

5. The prefabricated cabin for a wind power step-up substation according to claim 4, wherein: The control mechanism comprises a locking block (41) and a locking rod (42); the locking block (41) is connected to a side of the access door (11) close to the second baffle (23); a locking arc groove (411) is provided in the locking block (41); the center of the locking arc groove (411) is the rotation center of the second baffle (23); the opening direction of the locking arc groove (411) is consistent with the rotation axis direction of the second baffle (23); the locking rod (42) is connected to a side of the second baffle (23) close to the access door (11); the locking rod (42) can slide in the locking arc groove (411); after the waterproof compartment (2) forms a first state or the waterproof compartment (2) forms a second state, the locking rod (42) is disengaged from the locking arc groove (411).

6. The prefabricated cabin for a wind power step-up substation according to claim 5, characterized in that: The hole wall of the drainage hole (12) is connected to an isolation plate (13), and the isolation plate (13) is electrically connected to a connection switch (5). The connection switch (5) is located on the moving path of the locking rod (42). When the waterproof compartment (2) forms a first state, the locking rod (42) abuts against the connection switch (5).

7. A prefabricated cabin for a wind power step-up substation according to claim 2, characterized in that: A water reservoir (14) is provided at the top of the prefabricated cabin shell (1).

8. A prefabricated cabin for a wind power step-up substation according to claim 7, characterized in that: The trigger system (3) includes a water level sensor (31), a first rotating mechanism (32), a second rotating mechanism (33), and a third rotating mechanism (34). The water level sensor (31) is disposed in the reservoir (14). The first rotating mechanism (32) is connected to the first baffle (22), the second rotating mechanism (33) is connected to the second baffle (23), and the third rotating mechanism (34) is connected to the third baffle (24). The first rotating mechanism (32), the second rotating mechanism (33), and the third rotating mechanism (34) are all electrically connected to the water level sensor (31).

9. The prefabricated cabin for a wind power step-up substation according to claim 8, wherein: The first rotating mechanism (32) includes a rotating motor and a stop touch plate (322). The rotating motor is connected to the first baffle (22), and the stop touch plate (322) is connected to the first baffle (22). When the waterproof compartment (2) is in the first state, the stop touch plate (322) abuts against the prefabricated cabin shell (1). The second rotating mechanism (33) and the third rotating mechanism (34) have the same structure as the first rotating mechanism (32).

10. A prefabricated cabin for a wind power step-up substation according to claim 2, characterized in that: The first baffle (22) is connected with a storage rack (221), and the storage rack (221) is used for placing sundries.

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