Gas-insulated switchgear

Abstract

The utility model belongs to the technical field of high-voltage switch equipment, and discloses an inflatable cabinet. The inflatable cabinet comprises a cabinet body and a sealing plate. The cabinet body comprises a high-pressure air chamber, a cable chamber and a fan chamber, the cable chamber is arranged at the bottom end of the high-pressure air chamber, and the fan chamber is arranged at the top end of the high-pressure air chamber; at least one side of the cabinet body in the width direction is provided with a sealing plate, a heat dissipation channel extending along the Z axis is formed between the sealing plate and the cabinet body, the top end of the heat dissipation channel is communicated with the fan chamber, and the bottom end of the heat dissipation channel is communicated with the cable chamber. According to the gas-insulated switchgear, the structural layout among the fan chamber, the cable chamber, the sealing plate and the high-pressure gas chamber can be reasonably optimized to form a heat dissipation channel extending up and down, so that heat of the outer surface of the high-pressure gas chamber can be quickly circulated and exchanged from bottom to top through the heat dissipation channel, and the purpose of quickly dissipating heat of the outer surface of the high-pressure gas chamber is achieved.

Description

Technical Field

[0001] This utility model relates to the field of high voltage switchgear technology, and in particular to a gas-filled switchgear. Background Technology

[0002] Gas-insulated switchgear, also known as indoor AC high-voltage gas-insulated metal-enclosed switchgear, is a new generation of switchgear. Due to its compact structure, flexible operation, and reliable interlocking, gas-insulated switchgear can provide satisfactory technical solutions for various applications (especially in harsh environments) and for different user requirements.

[0003] However, due to the disadvantages of concentrated heat and poor heat dissipation environment during operation, especially for gas-insulated switchgear with a rated current of 4000A, it is difficult to achieve a good heat dissipation effect with the current heat dissipation structure, resulting in poor heat dissipation effect of the entire gas-insulated switchgear and lower safety.

[0004] Therefore, there is an urgent need for an air-filled cabinet to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide an inflatable cabinet that can quickly dissipate heat from the high-pressure air chamber, thereby ensuring good heat dissipation of the entire inflatable cabinet and making the inflatable cabinet safer.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] An air-filled cabinet, comprising:

[0008] The cabinet includes a high-pressure air chamber, a cable chamber, and a fan chamber, with the cable chamber located at the bottom of the high-pressure air chamber and the fan chamber located at the top of the high-pressure air chamber.

[0009] A sealing plate is provided on at least one side of the cabinet in the width direction. A heat dissipation channel extending along the Z-axis is formed between the sealing plate and the cabinet. The top end of the heat dissipation channel is connected to the fan chamber, and the bottom end of the heat dissipation channel is connected to the cable chamber.

[0010] As an option, a first fan is provided at the top of the cable chamber and / or at least one inner wall, the first fan being used to exhaust the gas inside the cable chamber to the heat dissipation channel from bottom to top.

[0011] As an optional solution, a ventilation plate is connected to the top of the cable compartment, and the ventilation plate has ventilation holes that connect the cable compartment to the heat dissipation channel.

[0012] As an optional solution, the high-pressure air chamber is provided with a first heat dissipation component on at least one side near the sealing plate, and the ventilation hole is provided corresponding to the first heat dissipation component.

[0013] As an alternative, in the width direction of the cabinet, the outer side of the cable compartment and the outer side of the fan compartment are flush with the outer side of the first heat sink.

[0014] As an optional solution, a second heat sink is provided on the side of the high-pressure air chamber adjacent to the sealing plate, and a first heat sink is installed on the top of the high-pressure air chamber.

[0015] As an option, at least one second fan is installed at the top of the fan room, the second fan being used to exhaust gas from the fan room from bottom to top.

[0016] As an optional solution, the fan chamber has an opening on the side plate near the sealing plate. The opening is used to connect the heat dissipation channel and the fan chamber, and the first upper edge of the opening is lower than the second upper edge of the sealing plate.

[0017] As an optional feature, the cabinet also includes:

[0018] An inlet chamber is located on one side of the high-pressure gas chamber. The inlet chamber is located on one side of the fan chamber and is connected to the fan chamber. At least one third fan is installed at the top of the inlet chamber. The third fan is used to exhaust the gas in the inlet chamber from bottom to top.

[0019] An instrument room is located on the other side of the high-pressure gas chamber and above the cable chamber. The fan room is located between the instrument room and the inlet room. The instrument room is connected to both the fan room and the cable chamber, and the top of the fan room is higher than the top of both the inlet room and the instrument room.

[0020] As an optional feature, the cabinet also includes:

[0021] A pressure relief chamber is located on one side of the high-pressure gas chamber and below the inlet chamber. The pressure relief chamber is connected to both the inlet chamber and the cable chamber. A fourth fan is installed inside the pressure relief chamber, which is used to discharge the gas inside the pressure relief chamber to the inlet chamber from bottom to top.

[0022] Beneficial effects:

[0023] The gas-insulated cabinet proposed in this utility model has a cable compartment located at the bottom of the high-pressure gas chamber and a fan compartment located at the top of the high-pressure gas chamber. A sealing plate is installed on at least one side of the cabinet's width direction, forming a heat dissipation channel extending along the Z-axis between the sealing plate and the cabinet body. The top of the heat dissipation channel connects to the fan compartment, and the bottom of the heat dissipation channel connects to the cable compartment. In other words, the structural layout of the fan compartment, cable compartment, sealing plate, and high-pressure gas chamber is rationally optimized to form an upwardly extending heat dissipation channel. This allows for rapid heat flow and exchange of heat from the bottom up on the outer surface of the high-pressure gas chamber, achieving rapid heat dissipation of the outer surface of the high-pressure gas chamber. This results in better heat dissipation of the entire gas-insulated cabinet, ensuring higher safety. Attached Figure Description

[0024] Figure 1 This is a structural schematic diagram of the gas-filled cabinet (without the sealing plate assembled) provided in this utility model;

[0025] Figure 2 This is a schematic diagram of the flow structure of the heat dissipation channel provided in this utility model;

[0026] Figure 3 This is a front view of the cabinet provided in this utility model;

[0027] Figure 4 yes Figure 3 A cross-sectional diagram of CC in the diagram;

[0028] Figure 5 This is a structural schematic diagram of the cabinet provided in this utility model;

[0029] Figure 6 yes Figure 5 A magnified schematic diagram of the local structure at point D;

[0030] Figure 7 This is a schematic diagram of the cable compartment provided in this utility model;

[0031] Figure 8 This is a side view of the high-pressure air chamber provided in this utility model;

[0032] Figure 9 This is a structural schematic diagram of the fan room provided in this utility model.

[0033] In the picture:

[0034] 1. Cabinet; 11. High-pressure air chamber; 111. First heat sink; 112. Second heat sink; 113. First heat sink plate; 114. Second heat sink plate; 12. Cable compartment; 121. First fan; 122. Ventilation plate; 123. Ventilation hole; 13. Fan compartment; 131. Second fan; 132. Opening; 1321. First upper edge; 134. Second mesh; 14. Cable inlet compartment; 141. Third fan; 15. Instrument compartment; 151. First sub-compartment; 152. Second sub-compartment; 16. Pressure relief chamber; 161. Fourth fan;

[0035] 2. Sealing plate; 21. Second upper edge; 3. Heat dissipation channel;

[0036] A - Width direction of the cabinet. Detailed Implementation

[0037] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0038] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0039] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0040] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0041] This embodiment proposes an inflatable cabinet with high heat dissipation efficiency, which can prevent safety accidents caused by excessive heat and thus enhance the overall safety of the cabinet. The working principle of the inflatable cabinet is similar to that of commonly used inflatable cabinets in the prior art. This embodiment mainly focuses on improving the heat dissipation layout of the inflatable cabinet and does not provide a detailed description of its working principle.

[0042] Specifically, such as Figures 1 to 5 As shown, the gas-insulated switchgear includes a cabinet body 1 and a sealing plate 2. The cabinet body 1 includes a high-pressure air chamber 11, a cable chamber 12, and a fan chamber 13. The cable chamber 12 is located at the bottom of the high-pressure air chamber 11, and the fan chamber 13 is located at the top of the high-pressure air chamber 11. A sealing plate 2 is provided on at least one side of the cabinet body 1 in the width direction. A heat dissipation channel 3 extending along the Z-axis is formed between the sealing plate 2 and the cabinet body 1, with the top of the heat dissipation channel 3 communicating with the fan chamber 13 and the bottom of the heat dissipation channel 3 communicating with the cable chamber 12. The high-pressure air chamber 11 houses primary high-voltage components such as busbars, disconnect switches, and circuit breakers, serving as the main heat source for the gas-insulated switchgear; that is, the heat of the gas-insulated switchgear is mainly concentrated inside the high-pressure air chamber 11. In this embodiment, the width direction of the cabinet body 1 is specifically as follows... Figure 1 As shown by arrow A, the cover plate 2 is specifically designed with a bent shape and has a C-shaped groove structure. There are two cover plates 2, and correspondingly, there are two heat dissipation channels 3, which are connected to each other.

[0043] Compared to existing technologies, the gas-insulating cabinet in this embodiment forms a circulating heat dissipation channel 3 for rapid heat dissipation from bottom to top. By optimizing the structural layout between the fan chamber 13, cable chamber 12, sealing plate 2, and high-pressure gas chamber 11, a vertically extending heat dissipation channel 3 is formed. This allows for rapid heat flow and exchange from bottom to top on the outer surface of the high-pressure gas chamber 11, achieving rapid heat dissipation and resulting in better overall heat dissipation for the gas-insulating cabinet, thus ensuring higher safety. The specific direction of heat flow within the heat dissipation channel 3 is as follows: Figure 1 , Figure 2 and Figure 4 As shown by arrow B in the diagram.

[0044] Furthermore, such as Figures 2 to 4 As shown, a first fan 121 is provided at the top of the cable chamber 1 and / or at least one inner wall. The first fan 121 is used to exhaust the gas in the cable chamber 12 from bottom to top to the heat dissipation channel 3, so as to blow the heat in the heat dissipation channel 3 upward. In this embodiment, the first fan 121 is provided on at least one inner wall of the cable chamber 12. More specifically, the first fan 121 is provided on two opposite inner walls of the cable chamber 12. The first fan 121 is specifically an axial flow fan. In other embodiments, the first fan 121 may also be provided at the top of the cable chamber 1.

[0045] The first fan 121 exhausts the gas in the cable chamber 12 from bottom to top into the heat dissipation channel 3, so as to blow away the heat in the heat dissipation channel 3. In this way, the heat on the outer surface of the high-pressure air chamber 11 can be dissipated by the first fan 121, thereby ensuring the heat dissipation effect of the high-pressure air chamber 11.

[0046] And, as Figures 2 to 4 As shown, by installing a first fan 121 on at least one inner wall of the cable chamber 12, the gas inside the cable chamber 12 can be better discharged into the heat dissipation channel 3 through the simultaneous transmission of wind energy by multiple first fans 121, thereby further ensuring the heat dissipation effect on the outer surface of the high-temperature gas chamber.

[0047] Furthermore, such as Figures 5 to 7 As shown, a ventilation plate 122 is connected to the top of the cable chamber 12. Ventilation holes 123 are provided on the ventilation plate 122, connecting the cable chamber 12 to the heat dissipation channel 3. That is, when the high-pressure gas chamber 11 is placed on the cable chamber 12, the ventilation holes 123 connect the cable chamber 12 to the heat dissipation channel 3, allowing gas inside the cable chamber 12 to be discharged into the heat dissipation channel 3. The number of ventilation holes 123 is not limited, as long as they connect the cable chamber 12 to the heat dissipation channel 3.

[0048] Specifically, such as Figure 1 , Figure 3 and Figure 5 As shown, at least one side of the high-pressure air chamber 11 near the sealing plate 2 is provided with a first heat sink 111, and the ventilation hole 123 is correspondingly provided with the first heat sink 111; that is, the first heat sink 111 is located in the heat dissipation channel 3, so that the high-pressure air chamber 11 can be cooled through the first heat sink 111, ensuring a better heat dissipation effect for the high-pressure air chamber 11. In this embodiment, the first heat sink 111 is provided on both sides of the high-pressure air chamber 11 near the sealing plate 2.

[0049] like Figure 5 and Figure 6As shown, by matching the ventilation hole 123 with the first heat sink 111, that is, when the high-pressure air chamber 11 is placed on the cable chamber 12, the ventilation hole 123 is aligned with the first heat sink 111, so that the gas in the cable chamber 12 can be discharged to the first heat sink 111 through the ventilation hole 123, thereby achieving heat dissipation of the first heat sink 111 and better ensuring the heat dissipation effect of the first heat sink 111 on the high-pressure air chamber 11.

[0050] Specifically, such as Figure 6 As shown, the first heat sink 111 includes a plurality of heat sinks arranged in sequence at intervals. That is, there is a small gap between two adjacent heat sinks. During the process of the first fan 121 expelling the gas in the cable chamber 12 to the first heat sink 111, there is sufficient gas flow on each heat sink and in the gap between two adjacent heat sinks, so as to ensure that the air cooling of the first heat sink 111 is relatively efficient.

[0051] Specifically, a first air inlet is provided on the bottom end face and the side face of the cable chamber 12, so that the first fan 121 can draw gas into the cable chamber 12 through the two first air inlets, thereby allowing the drawn gas to flow into the first heat sink 111 and the heat dissipation channel 3.

[0052] Furthermore, such as Figure 5 As shown, in the width direction of the cabinet 1, the outer side of the cable compartment 12, the outer side of the fan compartment 13, and the outer side of the first heat sink 111 are flush, so that the overall shape of the gas cabinet is more beautiful and compact.

[0053] It is worth noting that in this embodiment, the first heat sink 111 and the first fan 121, which work together, can simultaneously ensure the heat dissipation effect on the inner and outer sides of the high-pressure gas chamber 11, thereby ensuring the heat dissipation efficiency of the high-pressure gas chamber 11. Furthermore, since the first fan 121 can discharge the gas in the cable chamber 12 from bottom to top into the first heat sink 111 and the heat dissipation channel 3, the first fan 121 can discharge the heat from the entire outer side of the high-pressure gas chamber 11 upwards, thereby ensuring a better heat dissipation effect on the high-pressure gas chamber 11. At the same time, by dissipating the gas in the cable chamber 12 from bottom to top by the first fan 121, the cable chamber 12 itself can be cooled, ensuring that the temperature inside the cable chamber 12 is low, thereby making the heat dissipation effect of the entire gas-filled cabinet better.

[0054] Furthermore, such as Figure 1 , Figure 5 and Figure 8As shown, a second heat sink 112 is provided on the side of the high-pressure air chamber 11 adjacent to the sealing plate 2. That is, the high-pressure air chamber 11 is located on the side between the two sealing plates 2 with the second heat sink 112. A first heat sink 113 is installed at the top of the high-pressure air chamber 11 so that the heat of the high-pressure air chamber 11 can be dissipated more quickly through the second heat sink 112 and the first heat sink 113, ensuring better heat dissipation effect for the high-pressure air chamber 11. The second heat sink 112 has the same structure as the first heat sink 111, and the first heat sink 113 is made of aluminum alloy with good thermal conductivity and a surface coated with a heat dissipation coating.

[0055] It is worth noting that thermally conductive silicone grease is applied to the contact surfaces of the first heat sink 111 and the second heat sink 112 that are in contact with the outer surface of the high-pressure air chamber 11, which makes the heat dissipation effect of the first heat sink 111 and the second heat sink 112 better.

[0056] Furthermore, such as Figure 8 As shown, a second heat sink 114 is also provided on one side of the high-pressure air chamber 11 located between the two sealing plates 2. The second heat sink 114 is located below the second heat sink 112 so that the heat of the high-pressure air chamber 11 can be dissipated more quickly through the second heat sink 114. The second heat sink 114 is made of aluminum alloy with good thermal conductivity and a surface coated with heat dissipation coating.

[0057] Specifically, such as Figures 1 to 5 , Figure 9 As shown, at least one second fan 131 is installed at the top of the fan chamber 13. The first heat sink 113 is located inside the fan chamber 13. The second fan 131 is used to exhaust the gas inside the fan chamber 13 from bottom to top, so as to carry the heat of the first heat sink 113 to the outside of the fan chamber 13 through the gas inside the fan chamber 13, thereby reducing the heat of the first heat sink 113 and ensuring the heat dissipation effect of the first heat sink 113 on the high-pressure gas chamber 11. In this embodiment, the second fan 131 is specifically an exhaust fan.

[0058] like Figure 1 and Figure 8 As shown, a first heat sink 113 is installed at the top of the high-pressure gas chamber 11 to conduct heat out of the high-pressure gas chamber 11. A fan chamber 13 is set at the top of the high-pressure gas chamber 11, so that the first heat sink 113 is located inside the fan chamber 13. At the same time, at least one second fan 131 is installed at the top of the fan chamber 13 to exhaust the gas inside the fan chamber 13 from bottom to top. This allows the second fan 131 to exhaust the heat from the first heat sink 113 to the outside of the fan chamber 13, so that the first heat sink 113 has a better heat dissipation effect on the high-pressure gas chamber 11, thereby ensuring the heat dissipation effect of the high-pressure gas chamber 11 and making the heat dissipation effect of the gas filling cabinet better.

[0059] Furthermore, by installing at least one second fan 131 at the top of the fan chamber 13, the gas inside the fan chamber 13 can be better discharged through the simultaneous delivery of wind energy by multiple second fans 131, further ensuring the heat dissipation effect on the high-pressure gas chamber 11. In this embodiment, three second fans 131 are installed at the top of the fan chamber 13, and the three second fans 131 are arranged in a straight line. Here, the specific number of second fans 131 is not limited.

[0060] The above-mentioned system utilizes a first fan 121, a second fan 131, ventilation holes 123, and a heat dissipation channel 3 in a coordinated manner. Specifically, the first fan 121 in the cable compartment 12 blows cool air into the heat dissipation channel 3 to cool the heat radiated from the outer surface of the high-pressure chamber 11 and carry it upward into the fan compartment 13. Then, the second fan 131 in the fan compartment 13 exhausts the heat in the heat dissipation channel 3 to the outside of the gas filling cabinet. In other words, by optimizing the structural layout between the existing sealing plate 2 and the cabinet 1, and making reasonable use of the cooperation between the cable compartment 12 and the fan compartment 13 and the sealing plate 2 to form an effective heat dissipation channel 3, the heat of the entire cabinet 1 can be rapidly circulated from bottom to top, thereby achieving rapid heat dissipation of the high-pressure chamber 11 and ensuring good heat dissipation of the high-pressure chamber 11.

[0061] Furthermore, such as Figure 2 , Figure 4 , Figure 5 and Figure 9 As shown, a notch 132 is provided on the side plate of the fan compartment 13 near the sealing plate 2. The notch 132 is used to connect the heat dissipation channel 3 and the fan compartment 13; and, as shown... Figure 1 and Figure 2 As shown, the first upper edge 1321 of the opening 132 is lower than the second upper edge 21 of the sealing plate 2. On the one hand, this ensures that the heat dissipation channel 3 is connected to the fan room 13 through the opening 132. On the other hand, it ensures that the sealing plate 2 has a good shielding and protection effect on the inside of the cabinet 1.

[0062] Since the gas-insulated switchgear in this embodiment has good heat dissipation, the gas-insulated switchgear in this embodiment can specifically be a gas-insulated switchgear with a rated current of 4000A, so that the gas-insulated switchgear can be used in the application scenario of high current gas-insulated metal-enclosed switchgear.

[0063] Furthermore, such as Figure 1 , Figure 3 and Figure 5As shown, the cabinet 1 also includes an inlet chamber 14, which is located on one side of the high-pressure gas chamber 11 and is connected to the fan chamber 13. At least one third fan 141 is installed at the top of the inlet chamber 14. The third fan 141 is used to exhaust the gas in the inlet chamber 14 from bottom to top. The third fan 141 can also be installed in other locations within the inlet chamber 14; no specific limitation is made here. In this embodiment, the third fan 141 is specifically an axial flow fan.

[0064] By installing at least one third fan 141 at the top of the inlet chamber 14, the gas inside the inlet chamber 14 can be better discharged through the simultaneous delivery of air energy by multiple third fans 141, further ensuring the heat dissipation effect on the high-pressure gas chamber 11. In this embodiment, two third fans 141 are installed at the top of the inlet chamber 14, and the two third fans 141 are arranged in a straight line at intervals. Here, the specific number of third fans 141 is not limited.

[0065] Specifically, a first mesh is provided on the side plate of the fan chamber 13 near the inlet chamber 14. The first mesh is used to connect the inlet chamber 14 and the fan chamber 13, so that the gas in the inlet chamber 14 can flow through the first mesh into the fan chamber 13 and be discharged by the second fan 131, thereby improving the heat dissipation effect in the inlet chamber 14.

[0066] Furthermore, such as Figure 3 and Figure 5 As shown, the cabinet 1 also includes an instrument room 15, which is located on the other side of the high-pressure gas chamber 11 and on the cable chamber 12. The fan chamber 13 is located between the inlet chamber 14 and the instrument room 15, and the instrument room 15 is connected to both the fan chamber 13 and the cable chamber 12.

[0067] Specifically, such as Figure 3 and Figure 5 As shown, the top of the fan chamber 13 is higher than the top of the inlet chamber 14 and the top of the instrument chamber 15, respectively. That is, the fan chamber 13 is set to protrude upward relative to the inlet chamber 14 and the instrument chamber 15, so as to form a chimney effect, thereby accelerating the heat flow in the gas-filled cabinet and making the heat dissipation effect of the gas-filled cabinet better.

[0068] Specifically, such as Figure 1 and Figure 9 As shown, a second mesh 134 is provided on the side plate of the fan chamber 13 near the instrument chamber 15. The second mesh 134 is used to connect the instrument chamber 15 and the fan chamber 13, so that the gas in the instrument chamber 15 can flow through the second mesh 134 into the fan chamber 13 and be discharged through the second fan 131, which makes the heat dissipation effect in the instrument chamber 15 better.

[0069] Furthermore, such as Figure 3 and Figure 5 As shown, the instrument compartment 15 includes a first compartment 151 and a second compartment 152 that are connected to each other. The first compartment 151 is stacked on the second compartment 152. The bottom surface of the second compartment 152 is flush with the bottom surface of the high-pressure gas compartment 11. The second mesh 134 is located between the first compartment 151 and the fan compartment 13. The second compartment 152 is located on the cable compartment 12 and is connected to the cable compartment 12.

[0070] Specifically, such as Figure 3 and Figure 5 As shown, the cabinet 1 also includes a pressure relief chamber 16, which is located on one side of the high-pressure gas chamber 11 and below the inlet chamber 14. The pressure relief chamber 16 is connected to the inlet chamber 14, and the lower part of the pressure relief chamber 16 abuts against one side of the cable chamber 12. A fourth fan 161 is installed inside the pressure relief chamber 16. The fourth fan 161 is used to exhaust the gas in the pressure relief chamber 16 from bottom to top into the inlet chamber 14, so as to dissipate heat from the pressure relief chamber 16 and ensure that the temperature inside the pressure relief chamber 16 is low, thereby improving the overall performance of the gas-filled cabinet. In this embodiment, the fourth fan 161 is specifically an axial flow fan.

[0071] By installing at least one fourth fan 161 within the pressure relief chamber 16, the gas within the pressure relief chamber 16 can be better discharged into the inlet chamber 14 through the simultaneous delivery of air energy by multiple fourth fans 161, further ensuring the heat dissipation effect on the high-pressure chamber 11. In this embodiment, a fourth fan 161 is installed at the center of the pressure relief chamber 16. The specific number of fourth fans 161 is not limited here.

[0072] Furthermore, a second air inlet is provided on the bottom end face of the pressure relief chamber 16 so that the fourth fan 161 can draw gas into the pressure relief chamber 16 through the second air inlet, thereby allowing the drawn gas to flow into the inlet chamber 14.

[0073] In this embodiment, the gas flow direction within the cable compartment 12 is specifically as follows: the gas flows from bottom to top within the cable compartment 12 to the first heat sink 111 and the heat dissipation channel 3, so that the heat in the heat dissipation channel 3 flows upward to the fan compartment 13, and is discharged from the fan compartment 13 to the outside of the gas charging cabinet under the action of the second fan 131; the gas flow direction within the pressure relief chamber 16 is specifically as follows: the gas flows from bottom to top within the pressure relief chamber 16 to the inlet compartment 14, and the gas between the cable compartment 12 and the pressure relief chamber 16 can flow between them; the gas flow direction within the instrument compartment 15 is specifically as follows: the gas flows from bottom to top within the instrument compartment 15 and passes through the second fan 131. The gas flows through the mesh 134 into the fan chamber 13, and the gas between the instrument chamber 15 and the cable chamber 12 can flow between them; the gas flow direction in the inlet chamber 14 is specifically from bottom to top to the outside of the inlet chamber 14, and the gas between the inlet chamber 14 and the fan chamber 13 can flow between them; the gas flow direction in the fan chamber 13 is specifically from bottom to top to the outside of the fan chamber 13; so as to realize the circulation between the cable chamber 12, the pressure relief chamber 16, the inlet chamber 14, the instrument chamber 15 and the fan chamber 13, thereby realizing the heat on the gas-filled cabinet to flow out of the gas-filled cabinet.

[0074] In this embodiment, the air-filled cabinet is equipped with a cable chamber 12, a fan chamber 13, and a heat dissipation channel 3 that work together. That is, through the long-term cooperation between the first fan 121 located in the bottom cable chamber 12 and the second fan 131 located in the top fan chamber 13, the air-filled cabinet is guaranteed to have effective airflow from bottom to top under the action of the first fan 121 blowing air upward and the second fan 131 drawing air upward. This achieves effective upward heat dissipation of heat from the cabinet body 1, so that the heat of the high-pressure air chamber 11 can be quickly discharged from bottom to top.

[0075] In this embodiment, the gas-filled cabinet is equipped with a first heat sink 111, a second heat sink 112, a first heat sink 113, and a second heat sink 114 in the high-pressure air chamber 11. With the help of the forced air cooling effect of the first fan 121, the second fan 131, the third fan 141, and the fourth fan 161, the heat of the high-pressure air chamber 11 can be quickly dissipated. This ensures good heat dissipation for the high-pressure air chamber 11 and the entire gas-filled cabinet, improving the effective airflow and rapid heat dissipation within the gas-filled cabinet.

[0076] Furthermore, in this embodiment, the gas-filled cabinet, by setting up mutually cooperating fan chamber 13 and second fan 131, inlet chamber 14 and third fan 141, pressure relief chamber 16 and fourth fan 161, and cable chamber 12 and first fan 121, ensures sufficient gas flow between the gaps between adjacent heat sinks in the first heat sink 111 and the second heat sink 112, thereby guaranteeing the heat dissipation effect of the first heat sink 111 and the second heat sink 112 and making the heat dissipation efficiency of the first heat sink 111 and the second heat sink 112 on the high-pressure gas chamber 11 high. On the other hand, it keeps the temperature in each of the above-mentioned chambers low, that is, it ensures the heat dissipation effect of each chamber itself, thereby making the overall gas-filled cabinet have a good heat dissipation effect and suitable for high-current application scenarios.

[0077] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An inflatable cabinet, characterized in that, include: The cabinet (1) includes a high-pressure air chamber (11), a cable chamber (12) and a fan chamber (13), wherein the cable chamber (12) is located at the bottom of the high-pressure air chamber (11) and the fan chamber (13) is located at the top of the high-pressure air chamber (11); A sealing plate (2) is provided on at least one side of the cabinet (1) in the width direction. A heat dissipation channel (3) extending along the Z-axis is formed between the sealing plate (2) and the cabinet (1). The top end of the heat dissipation channel (3) is connected to the fan chamber (13), and the bottom end of the heat dissipation channel (3) is connected to the cable chamber (12).

2. The gas-filled cabinet according to claim 1, characterized in that, A first fan (121) is provided on the top of the cable chamber (12) and / or at least one inner sidewall, the first fan (121) being used to exhaust the gas in the cable chamber (12) from bottom to top to the heat dissipation channel (3).

3. The gas-filled cabinet according to claim 1, characterized in that, The top of the cable chamber (12) is connected to a ventilation plate (122), and the ventilation plate (122) is provided with ventilation holes (123), which connect the cable chamber (12) and the heat dissipation channel (3).

4. The gas-filled cabinet according to claim 3, characterized in that, The high-pressure air chamber (11) is provided with a first heat sink (111) on at least one side near the sealing plate (2), and the ventilation hole (123) is provided corresponding to the first heat sink (111).

5. The gas-filled cabinet according to claim 4, characterized in that, In the width direction of the cabinet (1), the outer side of the cable compartment (12) and the outer side of the fan compartment (13) are flush with the outer side of the first heat sink (111).

6. The gas-filled cabinet according to any one of claims 1-5, characterized in that, The high-pressure air chamber (11) is provided with a second heat sink (112) on the side adjacent to the sealing plate (2), and a first heat sink (113) is installed on the top of the high-pressure air chamber (11).

7. The gas-filled cabinet according to any one of claims 1-5, characterized in that, At least one second fan (131) is installed at the top of the fan chamber (13), the second fan (131) being used to exhaust gas from the fan chamber (13) from bottom to top.

8. The gas-filled cabinet according to any one of claims 1-5, characterized in that, The fan chamber (13) has an opening (132) on one side plate near the sealing plate (2). The opening (132) is used to connect the heat dissipation channel (3) and the fan chamber (13). The first upper edge (1321) of the opening (132) is lower than the second upper edge (21) of the sealing plate (2).

9. The gas-filled cabinet according to any one of claims 1-5, characterized in that, The cabinet (1) also includes: An inlet chamber (14) is located on one side of the high-pressure gas chamber (11). The inlet chamber (14) is located on one side of the fan chamber (13) and is connected to the fan chamber (13). At least one third fan (141) is installed at the top of the inlet chamber (14). The third fan (141) is used to discharge the gas in the inlet chamber (14) from bottom to top. The instrument room (15) is located on the other side of the high-pressure gas chamber (11) and on the cable chamber (12). The fan chamber (13) is located between the instrument room (15) and the inlet chamber (14). The instrument room (15) is connected to the fan chamber (13) and the cable chamber (12) respectively, and the top of the fan chamber (13) is higher than the top of the inlet chamber (14) and the top of the instrument room (15).

10. The gas-filled cabinet according to claim 9, characterized in that, The cabinet (1) also includes: A pressure relief chamber (16) is located on one side of the high-pressure gas chamber (11) and below the inlet chamber (14). The pressure relief chamber (16) is connected to the inlet chamber (14) and the cable chamber (12) respectively. A fourth fan (161) is provided in the pressure relief chamber (16). The fourth fan (161) is used to discharge the gas in the pressure relief chamber (16) from bottom to top into the inlet chamber (14).

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