Special moisture-proof electrical cabinet for offshore wind power generation system

Abstract

The invention provides a moisture-proof electrical cabinet special for an offshore wind power generation system, and belongs to the technical field of offshore wind power. The moisture-proof electrical cabinet comprises a cabinet body, and a mounting cavity is formed in the cabinet body; the moisture insulation and heat dissipation system comprises a heat dissipation channel formed in the inner side of the cabinet body and an air flow channel formed outside the cabinet body, a heat exchange plate is fixedly installed between the heat dissipation channel and the air flow channel, a condensation plate is fixedly installed at an air inlet of the air flow channel, a guide groove is formed in the bottom end of the condensation plate, and the heat exchange plate is fixedly installed in the guide groove. The output end of the guide groove communicates with a collecting groove through a guide channel, drainage holes are symmetrically formed in the left side and the right side of the bottom of the collecting groove, the output ends of the drainage holes communicate with drainage channels, and plugging assemblies are arranged at the joints of the drainage holes and the drainage channels. The problems of moisture prevention, corrosion prevention and efficient heat dissipation of the electrical cabinet in an offshore wind power generation system are solved, and stable operation of equipment in a high-humidity and high-salt-fog environment is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of offshore wind power generation, in particular to a moisture-proof electrical cabinet specially used for an offshore wind power generation system. Background Art

[0002] In offshore wind power generation systems, electrical equipment faces special protection requirements due to the complex and humid environment. High humidity and salt spray corrosion common in offshore environments can cause oxidation, corrosion, and even short circuits in electronic components and terminals inside electrical cabinets, seriously affecting the stability and service life of the equipment. Therefore, traditional electrical cabinet design has certain limitations in the application of offshore wind power systems.

[0003] At present, some electrical cabinets adopt a sealed design and are equipped with devices such as dehumidifiers or heaters to reduce the humidity inside the cabinet. However, these methods have certain shortcomings. For example, the sealed design often leads to poor heat dissipation, which causes equipment overheating and affects the normal operation of electrical components. In addition, the use of dehumidifiers or heaters not only increases energy consumption, but also requires regular maintenance, which increases operating costs. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In view of the above problems and / or the problems existing in the prior art, the present invention is proposed.

[0006] Therefore, how to effectively achieve moisture-proof protection for electrical cabinets in a humid offshore environment and ensure the long-term stable operation of internal electronic equipment has become a technical problem that needs to be solved urgently.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a moisture-proof electrical cabinet for offshore wind power generation system, comprising a cabinet body, wherein an installation cavity is provided inside the cabinet body; and The moisture-proof heat dissipation system comprises a heat dissipation channel opened inside the cabinet and an air flow channel opened outside the cabinet, a heat exchange plate is fixedly installed between the heat dissipation channel and the air flow channel, a condensation plate is fixedly installed at the air inlet of the air flow channel, a guide groove is opened at the bottom end of the condensation plate, the output end of the guide groove is connected to a collecting groove through the guide channel, drainage holes are symmetrically opened on the left and right sides of the bottom of the collecting groove, the output end of the drainage hole is connected to a drainage channel, the output end of the drainage channel is connected to a drainage pipe, and a blocking component is arranged at the connection between the drainage hole and the drainage channel.

[0008] As a preferred solution of the moisture-proof electrical cabinet for offshore wind power generation system described in the present invention, the heat exchange plate includes two layers, wherein the layer in contact with the heat dissipation channel is set as a high thermal conductivity layer and is made of aluminum alloy; and the layer in contact with the external air flow channel is set as a ceramic layer.

[0009] As a preferred solution of the moisture-proof electrical cabinet for offshore wind power generation system described in the present invention, the side of the high thermal conductivity layer in contact with the ceramic layer is coated with a nano coating, the ceramic layer has a microporous structure, and its surface is coated with a hydrophobic coating.

[0010] As a preferred solution of the moisture-proof electrical cabinet for offshore wind power generation system described in the present invention, there are multiple condensation panels, and each condensation panel is installed at the entrance of the air flow channel in an array inclined at 45°.

[0011] As a preferred solution of the moisture-proof electrical cabinet for offshore wind power generation system described in the present invention, the surfaces of the plurality of condensation panels are coated with a hydrophilic material coating and have strong hydrophilicity.

[0012] As a preferred solution of the moisture-proof electrical cabinet specially used for offshore wind power generation system described in the present invention, a cavity is opened at the connection between the drainage hole and the drainage channel, the sealing assembly includes a sealing plate slidably connected to the bottom of the cavity, the top of the sealing plate is fixedly connected to a connecting rod, the top of the connecting rod passes through the cavity and extends to the collection tank where a float is fixedly connected.

[0013] As a preferred solution of the moisture-proof electrical cabinet specially used for offshore wind power generation system described in the present invention, the drainage holes, drainage channels and drainage pipes are each provided with multiple groups, and are distributed in an array from front to back at the bottom of the collecting trough, and the blocking components are also correspondingly provided with multiple groups, corresponding one to one with the drainage holes and drainage channels.

[0014] As a preferred solution of the moisture-proof electrical cabinet for offshore wind power generation system described in the present invention, an oblique opening is provided at the bottom end of the heat exchange plate close to the air flow channel, and the bottom end of the oblique opening is connected to the collection tank.

[0015] As a preferred solution of the moisture-proof electrical cabinet for offshore wind power generation system described in the present invention, a through hole is provided on one side of the heat dissipation channel close to the installation cavity, and a plurality of through holes are provided.

[0016] Beneficial effects of the present invention: 1. Through the condensation plates installed in an array at an angle of 45° and the hydrophilic material coating on the surface, the water vapor in the air entering the air flow channel is quickly condensed into droplets and automatically discharged through the guide groove and the collection groove, effectively preventing moisture from entering the interior of the electrical cabinet, thereby protecting the internal electronic equipment and extending the service life of the equipment.

[0017] 2. The dual-channel heat exchange structure of the heat dissipation channel and the air flow channel is used to efficiently transfer the heat inside the cabinet to the outside of the cabinet to avoid damage to the equipment due to overheating. The high thermal conductivity layer in the heat exchange plate is made of aluminum alloy to further improve the heat dissipation efficiency, ensure the stable operation of the system in a high temperature environment, and ensure the appropriate temperature inside the electrical cabinet.

[0018] 3. The present invention relies on the passive heat dissipation and dehumidification design of the condensing plate and the heat exchange plate, which does not require additional electric drive and reduces energy consumption. This design reduces the dependence on dehumidifiers and heaters, reduces operating costs, and is particularly suitable for offshore wind power generation systems that are unattended for a long time. At the same time, components such as the condensing plate, heat exchange plate, and guide grooves are all made of corrosion-resistant and long-life materials, and are supplemented with hydrophilic and hydrophobic coatings, which improves the dehumidification and heat dissipation performance, reduces salt spray corrosion, and reduces the maintenance frequency and cost of the system.

[0019] 4. The present invention designs a plugging component with a float structure. When the condensed water reaches a certain water level, the float automatically drives the sealing plate to rise, opens the drainage channel and discharges the condensed water in time; when the water level drops, the sealing plate automatically closes to prevent the backflow of external air and ensure the sealing of the system. In addition, the multiple array designs of drainage holes, drainage channels and drainage pipes ensure the distributed discharge of condensed water, avoid overload or blockage of a single drainage channel, provide lasting and stable drainage capacity, and ensure the long-term reliability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them: Figure 1 It is a three-dimensional diagram of the overall structure of the present invention; Figure 2 It is a front cross-sectional view of the present invention; Figure 3 It is a top cross-sectional view of the connection between the condensation plate and the cabinet of the present invention; Figure 4 For the present invention Figure 2 A schematic diagram of the structure enlargement at the center A; Figure 5 It is a side sectional view of the connection between the condensation panel and the cabinet of the present invention; Figure 6 A top sectional view of the collecting tank of the present invention; Figure 7 It is a three-dimensional cross-sectional view of the connection between the condensation panel and the cabinet body of the present invention.

[0021] Numbers in the figure: 100, cabinet; 101, installation cavity; 200, moisture-proof heat dissipation system; 201, heat dissipation channel; 202, air flow channel; 203, heat exchange plate; 203a, high thermal conductivity layer; 203b, ceramic layer; 204, condensation plate; 205, guide groove; 206, guide channel; 207, collecting groove; 208, drainage hole; 209, drainage channel; 210, drainage pipe; 211, plugging assembly; 211a, sealing plate; 211b, connecting rod; 211c, float; 212, cavity; 213, oblique mouth; 214, through hole. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0025] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 7 , which is the first embodiment of the present invention, provides a moisture-proof electrical cabinet for an offshore wind power generation system, including a cabinet 100 and a moisture-proof heat dissipation system 200 arranged on both sides of the cabinet 100. The moisture-proof heat dissipation system 200 arranged on both sides of the cabinet 100 can achieve efficient heat dissipation and moisture isolation inside the cabinet, thereby effectively protecting the electronic equipment in the cabinet in harsh offshore environments such as high humidity and salt spray, extending its service life and improving the stability of the system.

[0026] Specifically, the cabinet 100 has an installation cavity 101 inside for installing and protecting electrical components to ensure the normal operation of the electrical components in the offshore environment. The electrical components are installed in the installation cavity 101 to effectively prevent direct impact from the external environment, and further reduce moisture corrosion to the electrical components through structural isolation.

[0027] The moisture-proof heat dissipation system 200 is arranged on both sides of the cabinet 100, and includes a heat dissipation channel 201 and an air flow channel 202. The heat dissipation channel 201 is opened on the inner side of the cabinet 100, adjacent to the installation cavity 101 where the electrical components are located, and is used to guide the heat generated by the electrical components to the outside of the cabinet to prevent the equipment from overheating. The air flow channel 202 is opened on the outside of the cabinet 100 to form an independent ventilation path, which cooperates with the heat conduction function of the heat dissipation channel 201 to conduct heat out of the cabinet and prevent external moisture from entering the cabinet.

[0028] Furthermore, a heat exchange plate 203 is fixedly installed between the heat dissipation channel 201 and the air flow channel 202. The heat exchange plate 203 is composed of two layers of materials. One layer is a high thermal conductivity layer 203a, which contacts the heat dissipation channel 201 and is made of aluminum alloy to facilitate rapid heat transfer to the air flow channel 202. The other layer is a ceramic layer 203b, whose surface has a microporous structure and is coated with a hydrophobic coating, which contacts the air flow channel 202 to achieve moisture-proofing effect, preventing water vapor in the external air from entering the interior of the cabinet, thereby further protecting the internal electrical components.

[0029] A condensation plate 204 is fixedly installed at the air inlet of the air flow channel 202. The surface of the condensation plate 204 is coated with a hydrophilic material, which can quickly absorb water vapor in the air and condense it into droplets to reduce the impact of moisture in the air on the cabinet. A guide groove 205 is provided at the bottom of the condensation plate 204 to effectively guide the condensed water to the drainage system. The output end of the guide groove 205 is connected to the collection groove 207 through the guide channel 206. The collection groove 207 is located at the bottom of the cabinet and is specifically used to collect condensed water to prevent accumulated water from flowing back into the air flow channel 202.

[0030] Drain holes 208 are symmetrically provided on the left and right sides of the bottom of the collection tank 207, so that the condensed water can be discharged from both sides to avoid water accumulation. The output end of the drain hole 208 is connected to the drainage channel 209, which further guides the condensed water out of the cabinet and finally discharges the water to the outside of the cabinet through the drain pipe 210 to ensure that the condensed water does not flow back.

[0031] To further ensure the sealing and anti-backflow effect of the system, a sealing component 211 is provided at the connection between the drain hole 208 and the drain channel 209. The sealing component 211 includes a sealing structure driven by a float. When the water level in the collection tank 207 reaches a certain height, the float pushes the seal to open the drain port to achieve automatic drainage; when the water level drops, the seal returns to its original position to prevent the backflow of external air or water vapor and maintain the sealing of the system.

[0032] Reference Figure 2 , Figure 3 and Figure 7 , which is the second embodiment of the present invention. Based on the previous embodiment, this embodiment further optimizes the design of the heat exchange plate 203, the condensation plate 204 and their materials and coatings, and synergistically achieves efficient heat dissipation, moisture insulation and moisture-proof effects. The specific functions and effects are as follows: The heat exchange plate 203 is composed of two layers of material, wherein the layer in contact with the heat dissipation channel 201 is set as a high thermal conductivity layer 203a, which is made of aluminum alloy. The high thermal conductivity of the aluminum alloy can quickly transfer the heat in the heat dissipation channel 201 to the air flow channel 202, effectively reducing the temperature inside the cabinet and preventing electrical equipment from being damaged due to excessive temperature. A nano-coating is coated between the high thermal conductivity layer 203a and the contacting ceramic layer 203b, so that the heat conduction efficiency is further improved, while extending the service life of the heat exchange plate 203.

[0033] The layer in contact with the external air flow channel 202 is a ceramic layer 203b, which has a microporous structure and is coated with a hydrophobic coating on the surface. The microporous structure provides more surface area to block and filter moisture particles in the air, and the hydrophobic coating can effectively prevent the adhesion and penetration of moisture, thereby reducing the risk of moisture entering the cabinet through the heat exchange plate 203, ensuring that the internal electrical components are always in a dry state in a high humidity environment, avoiding moisture corrosion and short circuit risks to electronic components.

[0034] In addition, an oblique opening 213 is provided at the bottom of the heat exchange plate 203 near the air flow channel 202, and the bottom of the oblique opening 213 is connected to the collection tank 207. This design can guide the condensed water to flow directly into the collection tank 207, avoid the condensed water from accumulating on the surface of the heat exchange plate, and prevent the water vapor from entering the air flow channel again, thereby achieving a more reliable dehumidification effect.

[0035] The self-cleaning nano-coating applied on the heat exchange plate 203 provides significant advantages. The coating has super hydrophobicity, which can reduce the adhesion of dust and dirt on the surface, so that dust and dirt can be naturally carried away by the flow of water or air, reducing the frequency of manual cleaning. In addition, the super hydrophobicity can also prevent corrosive substances such as salt spray from accumulating on the surface, thereby improving the corrosion resistance of the heat exchange plate, enabling it to perform well in a humid and high-salt spray marine environment and extending the service life of the equipment. This self-cleaning property enables the electrical cabinet to maintain a long-term and efficient working state even in harsh outdoor environments.

[0036] A plurality of condensation plates 204 are installed at the entrance of the air flow channel 202. Each condensation plate 204 is arranged at an angle of 45°. The inclined installation method can optimize the airflow, make the airflow velocity entering the air flow channel 202 uniform, and maximize the contact area between the air and the condensation plate 204. The surface of the condensation plate 204 is coated with a hydrophilic material coating, which has extremely strong hydrophilicity, so that the moisture in the air quickly condenses into droplets when it contacts the surface of the condensation plate 204, thereby effectively reducing the air humidity. The condensed water droplets slide down the surface of the condensation plate 204 and gather in the guide groove 205, enter the collection groove 207 through the guide channel 206, and then discharge from the cabinet through the drainage hole 208 and the drainage channel 209 to prevent the water vapor from evaporating again in the system.

[0037] Preferably, a plurality of through holes 214 are provided on one side of the heat dissipation channel 201 close to the installation cavity 101. This design can accelerate the heat conduction of the electrical components in the installation cavity 101 to the heat dissipation channel 201, thereby enhancing the heat dissipation effect and ensuring air flow to avoid local overheating. At the same time, the position design of the through holes 214 maintains the airtightness and moisture-proof effect of the system, further improving the stability and reliability of the electrical cabinet in high humidity and harsh environments.

[0038] Reference Figure 2~Figure 4 , which is the third embodiment of the present invention. Based on the above embodiments, this embodiment further optimizes the structural design of the drainage hole 208, the drainage channel 209, the drainage pipe 210 and the blocking component 211 in the drainage system to ensure that the condensed water can be discharged efficiently and automatically, further enhancing the moisture-proof effect.

[0039] Specifically, a cavity 212 is provided at the connection between the drainage hole 208 and the drainage channel 209. The sealing assembly 211 includes a sealing plate 211a slidably connected to the bottom of the cavity 212. The sealing plate 211a is used to control the opening and closing of the drainage hole 208, thereby ensuring the sealing of the drainage channel 209. A connecting rod 211b is fixedly connected to the top of the sealing plate 211a. The top of the connecting rod 211b passes through the cavity 212 and extends to the inside of the collecting tank 207. A float 211c is fixedly connected in the collecting tank 207. The float 211c can automatically control the opening and closing of the sealing plate 211a according to the water level changes in the collecting tank 207.

[0040] The specific working principle is as follows: when the water level of the condensed water in the collection tank 207 rises to a certain height, the float 211c rises with the water level and pushes the connecting rod 211b upward, driving the sealing plate 211a to rise, so that the drain hole 208 opens. At this time, the condensed water flows into the drainage channel 209 through the drain hole 208, and is finally discharged to the outside of the cabinet through the drain pipe 210, avoiding the accumulation of condensed water in the cabinet and preventing moisture reflux.

[0041] As the condensed water is gradually discharged, the water level in the collection tank 207 drops, and the float 211c falls accordingly, pressing the sealing plate 211a back to its original position through the connecting rod 211b, thereby sealing the drainage hole 208. In this way, after the drainage is completed, the system automatically closes the drainage path to prevent the outside air or water vapor from flowing back into the cabinet through the drainage channel 209, thereby ensuring the airtightness and moisture-proof effect of the electrical cabinet.

[0042] Furthermore, multiple groups of drainage holes 208, drainage channels 209 and drainage pipes 210 are arranged and arranged in an array from front to back at the bottom of the collection tank 207 to form a distributed drainage system. Multiple groups of blocking components 211 are also arranged correspondingly and correspond to the drainage holes 208 and drainage channels 209 one by one, so that each drainage path has independent automatic opening and sealing functions. This multi-group, distributed drainage structure design can effectively avoid the risk of blockage or poor drainage of a single drainage path, ensure that condensed water can be discharged in time, and further improve the moisture-proof and drainage capabilities of the system.

[0043] This embodiment realizes the automatic and distributed discharge of condensed water through the design of a float-driven sealing component and multiple drainage paths, reduces maintenance requirements, and ensures the long-term moisture-proof performance and operational stability of the electrical cabinet in a humid environment.

[0044] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, changes in orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to an alternative embodiment. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present invention. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0045] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention).

[0046] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0047] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A moisture-proof electrical cabinet for offshore wind power generation systems. Features: include, A cabinet (100), wherein an installation cavity (101) is provided inside the cabinet (100); and A moisture-proof heat dissipation system (200) comprises a heat dissipation channel (201) provided inside a cabinet (100) and an air flow channel (202) provided outside the cabinet (100); a heat exchange plate (203) is fixedly installed between the heat dissipation channel (201) and the air flow channel (202); a condensation plate (204) is fixedly installed at the air inlet of the air flow channel (202); a guide groove (205) is provided at the bottom end of the condensation plate (204); an output end of the guide groove (205) is connected to a collection groove (207) through a guide channel (206); drainage holes (208) are symmetrically provided on the left and right sides of the bottom of the collection groove (207); an output end of the drainage hole (208) is connected to a drainage channel (209); an output end of the drainage channel (209) is connected to a drainage pipe (210); and a blocking component (211) is provided at the connection between the drainage hole (208) and the drainage channel (209).

2. The moisture-proof electrical cabinet for offshore wind power generation system according to claim 1, Features: The heat exchange plate (203) comprises two layers, wherein the layer in contact with the heat dissipation channel (201) is provided as a high heat conductivity layer (203a) and is made of aluminum alloy; and the layer in contact with the external air flow channel (202) is provided as a ceramic layer (203b).

3. The moisture-proof electrical cabinet for offshore wind power generation system as claimed in claim 2, Features: The side of the high thermal conductivity layer (203a) in contact with the ceramic layer (203b) is coated with a nano coating, the ceramic layer (203b) has a microporous structure, and a hydrophobic coating is coated on its surface.

4. The moisture-proof electrical cabinet for offshore wind power generation system as claimed in claim 3, Features: A plurality of condensation plates (204) are provided, and each condensation plate (204) is installed at the entrance of the air flow channel (202) in an array inclined at 45°.

5. The moisture-proof electrical cabinet for offshore wind power generation system as claimed in claim 4, Features: The surfaces of the plurality of condensation plates (204) are all coated with a hydrophilic material coating and have strong hydrophilicity.

6. The moisture-proof electrical cabinet for offshore wind power generation system as claimed in claim 5, Features: A cavity (212) is provided at the connection between the drainage hole (208) and the drainage channel (209); the blocking assembly (211) comprises a sealing plate (211a) slidably connected to the bottom of the cavity (212); a connecting rod (211b) is fixedly connected to the top of the sealing plate (211a); and a floating ball (211c) is fixedly connected to the top of the connecting rod (211b) which passes through the cavity (212) and extends into the collecting tank (207).

7. The moisture-proof electrical cabinet for offshore wind power generation system according to claim 6, Features: The drainage holes (208), drainage channels (209) and drainage pipes (210) are each provided in a plurality of groups and are arranged in an array from front to back at the bottom of the collection tank (207). The blocking components (211) are also provided in a plurality of groups corresponding to the drainage holes (208) and drainage channels (209).

8. The moisture-proof electrical cabinet for offshore wind power generation system as claimed in claim 7, Features: An oblique opening (213) is provided at the bottom end of the heat exchange plate (203) on one side close to the air flow channel (202), and the bottom end of the oblique opening (213) is connected to the collection tank (207).

9. The moisture-proof electrical cabinet for offshore wind power generation system as claimed in claim 8, Features: A through hole (214) is provided on one side of the heat dissipation channel (201) close to the installation cavity (101), and a plurality of through holes (214) are provided.

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