High-voltage switch cabinet

Abstract

The utility model provides a high-voltage switch cabinet, which relates to the technical field of power equipment, and comprises a switch cabinet body and a heat dissipation structure, the heat dissipation structure is arranged on the side wall of the switch cabinet body, and the heat dissipation structure comprises a heat dissipation channel, a heat dissipation fan and a cooler, the heat dissipation channels are fixedly arranged on the two sides of the switch cabinet body and are correspondingly arranged, the heat dissipation fans are arranged in the heat dissipation channels, and the heat dissipation fan arranged in one side of the switch cabinet body and the heat dissipation fan arranged in the other side of the switch cabinet body are arranged in an up-down staggered mode. And the cooler is arranged in the heat dissipation channel and is arranged between the heat dissipation fans on the two sides. According to the high-voltage switch cabinet, the heat dissipation efficiency of the switch cabinet body can be remarkably improved, the internal temperature is reduced, and uniform heat dissipation of the internal space of the switch cabinet body is ensured, so that the service life of equipment is prolonged, and the reliability of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of power equipment, concretely relates to a high voltage switch cabinet. BACKGROUND

[0002] The high voltage switch cabinet is a common electrical equipment in the power system, which is an electrical product used in power generation, power transmission, power distribution, power conversion and consumption to play the role of on-off, control or protection, and the voltage level is usually between 3.6kV and 550kV. It is mainly used for distribution, control and protection of high voltage power equipment to ensure the normal operation of the power system and safe operation in case of failure. The high voltage switch cabinet is mainly suitable for power plants, substations, petrochemical industry, metallurgy and steel rolling, light industry and textile industry, factories, mines, enterprises and residential areas, high-rise buildings and various different places.

[0003] The existing Chinese invention patent with the publication number CN113422309A discloses a high voltage switch cabinet, which specifically discloses a cabinet body with a mounting cavity, an opening on the cabinet body for communication between the outside and the mounting cavity, a mounting port at the bottom of the cabinet body for communication between the outside and the mounting cavity, a heat dissipation fin extending into the inner cavity of the shock absorbing air bag, the heat dissipation fin extending into the mounting cavity through the mounting port, and a heat dissipation fan arranged at a position close to the heat dissipation fin in the mounting cavity, so that the cold air in the shock absorbing air bag can be better conducted to the heat dissipation fin, and the cold air on the heat dissipation fin can be brought into the mounting cavity through the heat dissipation fan.

[0004] However, in the above technical solution, the heat dissipation fan is installed at the bottom, which causes uneven air heat in the cabinet body, weak air flow above the cabinet body, high temperature of the electrical elements above, performance decline of the electrical elements due to long-term high temperature operation, and even failure, thereby shortening the overall service life. UTILITY MODEL CONTENTS

[0005] Therefore, in order to solve the problem of uneven air heat dissipation in the cabinet body and high temperature of the electrical elements in some positions causing failure, the utility model aims to provide a high voltage switch cabinet, and the specific technical solution is as follows:

[0006] A high voltage switch cabinet, comprising a switch cabinet body and a heat dissipation structure, the heat dissipation structure is arranged on the side wall of the switch cabinet body, the heat dissipation structure comprises a heat dissipation channel, a heat dissipation fan and a cooler, the heat dissipation channel is fixedly arranged on both sides of the switch cabinet body and arranged correspondingly, the heat dissipation fan is arranged in the heat dissipation channel, the heat dissipation fan arranged in one side of the switch cabinet body and the heat dissipation fan arranged in the other side of the switch cabinet body are arranged staggeredly, and the cooler is arranged in the heat dissipation channel and between the heat dissipation fans arranged on both sides.

[0007] Further, the heat dissipation channel comprises a first air flow channel and a second air flow channel, the first air flow channel is fixedly connected with one side wall of the switch cabinet body, the second air flow channel is fixedly connected with a side wall of the switch cabinet body away from the first air flow channel, the heat dissipation fan is arranged in the first air flow channel and the second air flow channel respectively and staggered up and down, and the cooler is arranged in the first air flow channel and the second air flow channel respectively and correspondingly.

[0008] Further, the heat dissipation fan comprises a first air outlet fan and a second air outlet fan, the first air outlet fan is arranged in the first air flow channel, the second air outlet fan is arranged in the second air flow channel, the first air outlet fan is opposite to the second air outlet fan and staggered up and down, and the cooler is arranged between the first air outlet fan and the second air outlet fan.

[0009] Further, an end of the first air flow channel away from the first air outlet fan is provided with a plurality of first air inlet openings, each first air inlet opening is arranged corresponding to the position of the second air outlet fan, and an end of the second air flow channel away from the second air outlet fan is provided with a plurality of second air inlet openings, each second air inlet opening is arranged corresponding to the position of the first air outlet fan.

[0010] Further, each first air inlet opening and each second air inlet opening is provided with a dustproof structure.

[0011] Further, the dustproof structure comprises a connecting plate and a filter screen, the filter screen is arranged at the center of the connecting plate, a sticky layer is arranged around the connecting plate, and the sticky layer is pasted to the heat dissipation channel.

[0012] Further, the cooler comprises a shell, a cooling pipe and a support frame, the shell is fixedly connected with the heat dissipation channel, the support frame is fixedly arranged in the shell, the cooling pipe is arranged in a spiral shape and fixedly connected with the support frame, the liquid inlet end and the liquid outlet end of the cooling pipe are arranged in the same direction and penetrate through the switch cabinet body, an air inlet and an air outlet are arranged on the shell, and the cooling pipe is arranged between the air inlet and the air outlet.

[0013] Further, the radius of the air inlet increases from one end away from the cooling pipe to one end close to the cooling pipe.

[0014] Further, the radius of the air outlet increases from one end away from the cooling pipe to one end close to the cooling pipe.

[0015] Further, a pulley block is arranged at the bottom of the switch cabinet body.

[0016] Compared with the prior art, the high-voltage switch cabinet has the advantages that: the high-voltage switch cabinet is provided with heat dissipation channels on the two sides of the switch cabinet body, and is provided with heat dissipation fans and coolers in the channels, thereby forming an effective heat dissipation system. The heat dissipation fans are arranged in an up-and-down staggered manner, thereby promoting the circulation of air in the cabinet body, allowing heat to be more evenly distributed and removed, and improving the heat dissipation efficiency. The coolers are arranged in the heat dissipation channels and located between the heat dissipation fans on the two sides, thereby further absorbing and transferring heat in the switch cabinet body, and improving the heat dissipation efficiency. The high-voltage switch cabinet can significantly improve the heat dissipation efficiency of the switch cabinet body, reduce the internal temperature, ensure uniform heat dissipation of the internal space of the switch cabinet body, and thereby prolong the service life and reliability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application can be further understood from the following description in conjunction with the drawings in which the components in the drawings are not necessarily drawn to scale, but emphasis is instead placed upon illustrating the principles of the embodiments, and corresponding parts are designated by like reference numerals in different drawings.

[0018] Figure 1 is a structural schematic view of the high-voltage switch cabinet according to an embodiment of the present application;

[0019] Figure 2 is a structural schematic view of the high-voltage switch cabinet according to an embodiment of the present application;

[0020] Figure 3 is a left side sectional view of the high-voltage switch cabinet according to an embodiment of the present application;

[0021] Figure 4 is a right side sectional view of the high-voltage switch cabinet according to an embodiment of the present application;

[0022] Figure 5 is a structural schematic view of the cooler according to an embodiment of the present application;

[0023] Figure 6 is a structural schematic view of the dustproof structure according to an embodiment of the present application.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1, switch cabinet body; 2, heat dissipation structure; 21, heat dissipation channel; 211, first air flow channel; 212, second air flow channel; 213, first air inlet; 214, second air inlet; 22, heat dissipation fan; 221, first air outlet fan; 222, second air outlet fan; 23, cooler; 231, shell; 2311, air inlet; 2312, air outlet; 232, cooling pipe; 233, support frame; 3, dustproof structure; 31, connecting plate; 32, filter screen; 4, pulley block. DETAILED DESCRIPTION

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with its embodiments. It should be understood that the specific embodiments described herein are only for explaining this utility model and do not limit the scope of protection of this utility model.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] In this utility model, "first" and "second" do not represent a specific quantity or order, but are merely used to distinguish names.

[0030] like Figures 1-6 As shown, a high-voltage switchgear according to one embodiment of this utility model includes a switchgear body 1 and a heat dissipation structure 2. The heat dissipation structure 2 is disposed on the side wall of the switchgear body 1. The heat dissipation structure 2 includes a heat dissipation channel 21, a heat dissipation fan 22, and a cooler 23. The heat dissipation channel 21 is fixedly disposed on both sides of the switchgear body 1 and correspondingly arranged. The heat dissipation fan 22 is disposed within the heat dissipation channel 21. The heat dissipation fan 22 disposed on one side of the switchgear body 1 and the heat dissipation fan 22 disposed on the other side of the switchgear body 1 are arranged alternately vertically. The cooler 23 is disposed within the heat dissipation channel 21 and between the heat dissipation fans 22 on both sides. By setting heat dissipation channels 21 on both sides of the switchgear body 1 and configuring heat dissipation fans 22 and coolers 23 within the channels, an effective heat dissipation system is formed. The alternate vertical arrangement of the heat dissipation fans 22 promotes the circulation of air within the cabinet, allowing heat to be distributed more evenly and carried away, thus improving heat dissipation efficiency. The cooler 23, disposed within the heat dissipation channel 21 and between the heat dissipation fans 22 on both sides, can further absorb and transfer heat within the switchgear body 1, improving heat dissipation efficiency.

[0031] As the preferred embodiment of the utility model, it can also have the following additional technical features: the heat dissipation channel 21 includes first air flow channel 211 and second air flow channel 212, first air flow channel 211 is fixedly connected with one side wall of switch cabinet body 1, forms an independent air circulation path, second air flow channel 212 is fixedly connected with the side wall of switch cabinet body 1 away from first air flow channel 211, is parallel with first air flow channel 211 and is opposite and independent, heat dissipation fan 22 is respectively arranged in first air flow channel 211 and second air flow channel 212 and is arranged staggeredly up and down, is used to push hot air to circulate in first air flow channel 211 and second air flow channel 212, cooler 23 is respectively arranged in first air flow channel 211 and second air flow channel 212 and is correspondingly arranged. Heat dissipation fan 22 and cooler 23 in first air flow channel 211 and second air flow channel 212 jointly act, form an efficient air circulation system. Hot air is cooled when passing through cooler 23 under the impetus of fan, then is sent into switch cabinet by fan again, forms the continuous heat dissipation effect.

[0032] As the preferred embodiment of the utility model, it can also have the following additional technical features: heat dissipation fan 22 includes first air outlet fan 221 and second air outlet fan 222, first air outlet fan 221 is arranged in first air flow channel 211, second air outlet fan 222 is arranged in second air flow channel 212, first air outlet fan 221 is opposite and arranged staggeredly up and down with second air outlet fan 222, cooler 23 is arranged between first air outlet fan 221 and second air outlet fan 222. The air flow of first air outlet fan 221 is formed with the air flow of second air outlet fan 222 to form a certain intersection angle, thereby promoting the mixing and uniform distribution of air in switch cabinet body 1, fully utilizing the air flow generated by two fans to exchange heat, ensuring that the temperature of each area in switch cabinet is kept in a reasonable range.

[0033] As the preferred embodiment of the utility model, it can also have the following additional technical features: first air flow channel 211 is provided with a plurality of first air inlets 213 at the end away from first air outlet fan 221, each first air inlet 213 is correspondingly arranged with the position of second air outlet fan 222, the wind of second air outlet fan 222 blows and enters first air flow channel 211 through each first air inlet 213, second air flow channel 212 is provided with a plurality of second air inlets 214 at the end away from second air outlet fan 222, each second air inlet 214 is correspondingly arranged with the position of first air outlet fan 221, the wind of first air outlet fan 221 blows and enters second air flow channel 212 through each second air inlet 214.

[0034] As the preferred embodiment of the utility model, it can also have the following additional technical features: each first air inlet 213 and each second air inlet 214 is provided with a dustproof structure 3. Ensure that the air entering the heat dissipation channel 21 from the external environment is clean, thereby protecting the heat dissipation fan 22 and the cooler 23 from dust and impurities.

[0035] As the preferred embodiment of the utility model, it can also have the following additional technical features: the dustproof structure 3 includes a connecting plate 31 and a filter screen 32, the filter screen 32 is arranged at the center of the connecting plate 31, and a sticking layer is arranged around the connecting plate 31, and the sticking layer is stuck to the heat dissipation channel 21. In this embodiment, the shape and size of the connecting plate 31 are arranged according to the positions of the air inlets of the heat dissipation channel 21, so as to ensure that the dustproof structure 3 can tightly cover the air inlets, prevent dust and impurities from entering the heat dissipation channel 21, and protect the heat dissipation fan 22 and the cooler 23 from damage.

[0036] As the preferred embodiment of the utility model, it can also have the following additional technical features: the cooler 23 includes a shell 231, a cooling pipe 232 and a support frame 233, the shell 231 is fixedly connected with the heat dissipation channel 21, the support frame 233 is fixedly arranged in the shell 231, the cooling pipe 232 is arranged in a spiral shape and is fixedly connected with the support frame 233, the inlet end and the outlet end of the cooling pipe 232 are arranged in the same direction and penetrate through the switch cabinet body 1, for conveying cooling liquid (such as cooling water or refrigerant) from the inlet end to the outlet end, absorbing and taking away the heat inside the switch cabinet, the shell 231 is provided with an air inlet 2311 and an air outlet 2312, and the cooling pipe 232 is arranged between the air inlet 2311 and the air outlet 2312. When the air enters the shell 231 from the air inlet 2311, it will flow through the cooling pipe 232 and absorb the heat thereon, and then be discharged from the air outlet 2312.

[0037] As the preferred embodiment of the utility model, it can also have the following additional technical features: the radius of the air inlet 2311 gradually increases from the end far away from the cooling pipe 232 to the end close to the cooling pipe 232, forming a streamlined inlet, which helps to reduce the resistance and turbulence of the airflow when entering the cooler 23. The radius of the air outlet 2312 gradually increases from the end far away from the cooling pipe 232 to the end close to the cooling pipe 232, also forming a streamlined outlet, which helps to optimize the outflow characteristics of the airflow. When the air inlet 2311 and the air outlet 2312 are designed with gradually changing radii, they can work together to further optimize the airflow in the cooler 23. The air inlet 2311 guides the airflow to smoothly enter the cooler 23, and the air outlet 2312 ensures that the airflow can be efficiently discharged, improving the heat dissipation efficiency.

[0038] As the preferred embodiment of the utility model, it can also have the following additional technical features: the bottom of the switch cabinet body 1 is provided with a pulley block 4, facilitating the movement of the high-voltage switch cabinet.

[0039] The working principle of the high-voltage switch cabinet of the embodiment is as follows: when heat dissipation is needed, the first air blower 221 and the second air blower 222 are started, the first air blower 221 and the second air blower 222 blow the hot air in the switch cabinet body 1 into the second air flow channel 212 and the first air flow channel 211 respectively, and are cooled by the coolers 23 of the second air flow channel 212 and the first air flow channel 211 respectively, the cooled air is sent into the switch cabinet body 1 by the second air blower 222 and the first air blower 221 respectively, realizing a cycle, and promoting the mixing and uniform distribution of air in the switch cabinet body 1.

[0040] The high-voltage switch cabinet of the embodiment has reasonable structure design and is convenient to use, and for other devices with similar use requirements, this structure can also be used to realize, in the embodiment, the high-voltage switch cabinet can significantly improve the heat dissipation efficiency of the switch cabinet body 1, reduce the internal temperature, ensure the uniform heat dissipation of the internal space of the switch cabinet body 1, thereby prolonging the service life and reliability of the device.

[0041] In the description of the above embodiments, greater than, less than, more than, etc. are understood as not including the number, the meaning of several, multiple is more than one, above, below, etc. are understood as including the number. If the first, second is described only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0042] The technical features of the above-described embodiments can be combined arbitrarily, in order to make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not have contradictory relationships, they should be considered as the scope of the present application.

[0043] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A high voltage switchgear, characterized in that The utility model relates to a switch cabinet cooling device, including: The switch cabinet body is arranged on the side wall of the switch cabinet body; Wherein, the heat dissipation structure includes heat dissipation channel, heat dissipation fan and cooler, the heat dissipation channel is fixedly arranged on both sides of the switch cabinet body and is correspondingly arranged, the heat dissipation fan is arranged in the heat dissipation channel, the heat dissipation fan arranged in one side of the switch cabinet body and the heat dissipation fan arranged in the other side of the switch cabinet body are staggered arranged up and down, and the cooler is arranged in the heat dissipation channel and between the heat dissipation fans arranged on both sides. The heat dissipation channel includes first airflow channel and second airflow channel, the first airflow channel is fixedly connected with one side wall of the switch cabinet body, the second airflow channel is fixedly connected with the side wall of the switch cabinet body away from the first airflow channel, the heat dissipation fan is arranged in the first airflow channel and the second airflow channel respectively and is staggered arranged up and down, and the cooler is arranged in the first airflow channel and the second airflow channel respectively and is correspondingly arranged.

2. High voltage switchgear according to claim 1, characterized in that The heat dissipation fan includes first air outlet fan and second air outlet fan, the first air outlet fan is arranged in the first airflow channel, the second air outlet fan is arranged in the second airflow channel, the first air outlet fan is opposite to the second air outlet fan and is staggered arranged up and down, and the cooler is arranged between the first air outlet fan and the second air outlet fan.

3. High voltage switchgear according to claim 2, characterized in that The first airflow channel is provided with a plurality of first air inlets at one end away from the first air outlet fan, each first air inlet is arranged corresponding to the position of the second air outlet fan, the second airflow channel is provided with a plurality of second air inlets at one end away from the second air outlet fan, and each second air inlet is arranged corresponding to the position of the first air outlet fan.

4. High voltage switchgear according to claim 3, characterized in that Each first air inlet and each second air inlet is provided with a dustproof structure.

5. High voltage switchgear according to claim 4, characterized in that The dustproof structure includes a connecting plate and a filter screen, the filter screen is arranged at the center of the connecting plate, a sticky layer is arranged around the connecting plate, and the sticky layer is pasted to the heat dissipation channel.

6. High voltage switchgear according to claim 5, characterized in that The cooler includes a shell, a cooling pipe and a support frame, the shell is fixedly connected with the heat dissipation channel, the support frame is fixedly arranged in the shell, the cooling pipe is arranged in a spiral shape and is fixedly connected with the support frame, the inlet end and the outlet end of the cooling pipe are arranged in the same direction and penetrate through the switch cabinet body, the shell is provided with an air inlet and an air outlet, and the cooling pipe is arranged between the air inlet and the air outlet.

7. The high voltage switchgear according to claim 1, characterized in that The radius of the air inlet increases from one end away from the cooling pipe to one end close to the cooling pipe.

8. High voltage switchgear according to claim 7, characterized in that The radius of the air outlet increases from one end away from the cooling pipe to one end close to the cooling pipe.

9. High voltage switchgear according to claim 7, characterized in that The bottom of the switch cabinet body is provided with a pulley block.

10. High voltage switchgear according to any of claims 1-9, characterized in that ​

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