Dust-free bin of transformer substation

Abstract

The invention provides a dust-free bin for a transformer substation, and the bin comprises an inflation frame structure which is provided with an inflation channel; the protective layer covers the inflatable frame structure, and an access port is formed in the first side wall of the protective layer; the door curtain structure is arranged at the entrance and exit; the transparent part is arranged on the second side wall of the protective layer; the air holes are formed in the side wall of the protective layer at intervals; the air inflation part is communicated with the air inflation channel of the air inflation frame structure; the multiple necking structures are arranged in one-to-one correspondence with the multiple air holes, the opening size of each necking structure is adjustable, each necking structure comprises an annular flexible part and a pull rope, the outer ring of each annular flexible part is connected with the edge of the corresponding air hole, the pull rope is connected with the inner ring of the annular flexible part, and the pull rope can drive the diameter of the inner ring of the annular flexible part to be reduced. According to the technical scheme, the problem that the size of the ventilation hole of the dust-free bin is fixed in the prior art is effectively solved.

Description

Technical Field

[0001] The present invention relates to the field of electric power technology, and in particular to a dust-free bin for a transformer substation. Background Art

[0002] In substations and other industrial scenarios, the cleanliness and airtightness of the maintenance and operating environment have an important impact on the safe operation and life of the equipment. The operating environment of the substation is usually affected by a lot of dust, particulate matter and air humidity. If these impurities enter the key equipment area, it will cause the insulation performance of the power equipment to deteriorate, poor contact, and even cause safety accidents such as short circuits or fires. In addition, in some equipment with high requirements for air cleanliness, the intrusion of dust and moisture will also shorten the service life of the equipment and increase the difficulty and cost of maintenance. Traditional substation dust prevention equipment mostly uses fixed structures such as sealed doors and filters, but these designs are difficult to meet the needs of frequent entry and exit and rapid equipment replacement, and have certain limitations in sealing effect and flexibility.

[0003] In order to deal with the above problems, in recent years, dust-free workshops or clean environments have gradually been used to provide isolation, dust prevention and airflow control. However, the existing dust-free workshops are mostly designed for fixed locations, with complex installation and disassembly processes, and a relatively simple spatial structure, which makes it difficult to flexibly adapt to the specific needs of industrial environments such as substations. In addition, in actual use, existing dust-free workshops are usually unable to provide convenient ventilation control and easy access while maintaining efficient sealing, and the size of the ventilation holes is fixed and cannot be adjusted. Summary of the invention

[0004] The main purpose of the present invention is to provide a dust-free bin for a substation to solve the problem of fixed ventilation hole size in the dust-free bin in the related art.

[0005] In order to achieve the above-mentioned objectives, the present invention provides a dust-free chamber for a substation, comprising: an inflatable frame structure having an inflatable channel; a protective layer, which is covered on the inflatable frame structure, and an inlet and outlet are arranged on the first side wall of the protective layer; a door curtain structure, which is arranged at the inlet and outlet; a transparent portion, which is arranged on the second side wall of the protective layer; a plurality of air holes, which are arranged at intervals on the side wall of the protective layer; an inflatable portion, which is connected to the inflatable channel of the inflatable frame structure; a plurality of shrinkage structures, which are arranged one by one corresponding to the plurality of air holes, and the opening size of the shrinkage structure can be adjusted, and the shrinkage structure comprises an annular flexible member and a pull rope, the outer ring of the annular flexible member is connected to the edge of the air hole, and the pull rope is connected to the inner ring of the annular flexible member, and the pull rope can drive the diameter of the inner ring of the annular flexible member to decrease.

[0006] Furthermore, the dust-free bin of the substation also includes a sealing plug, the inflation part includes an inflation tube, a flexible sealing ring, a fixing frame and a plurality of first elastic members, the first end of the inflation tube is connected to the inflation frame structure, the flexible sealing member is connected to the second end of the inflation tube, the fixing frame is connected to the inflation tube or the inflation frame structure, the plurality of first elastic members are arranged at intervals along the circumference of the flexible sealing ring, the first elastic member is arranged between the fixing frame and the flexible sealing ring, and the first elastic member can apply elastic force to the flexible sealing ring so that the sealing plug and the flexible sealing ring are abutted and matched when the sealing plug is inserted into the flexible sealing ring.

[0007] Furthermore, an avoidance recess is provided on the fixing frame, and the first elastic member is located in the avoidance recess.

[0008] Furthermore, the inflatable part also includes a positioning ring, which is sleeved on the outer circumference of the flexible sealing ring, and a plurality of notches are arranged at intervals on the positioning ring, and the plurality of notches are arranged in one-to-one correspondence with the plurality of first elastic members.

[0009] Furthermore, the inflatable portion further comprises a plurality of limiting plates, at least two limiting plates are arranged on the outer periphery of each notch portion, and the limiting plates are in limiting cooperation with the first elastic member.

[0010] Furthermore, the inflatable portion further comprises a plurality of connecting plates, and the plurality of connecting plates are arranged in one-to-one correspondence with the plurality of first elastic members, and the connecting plates are located inside the avoidance recess and abut against and cooperate with the first elastic members.

[0011] Furthermore, the inflatable part also includes a connecting ring, which is connected to the fixing frame and is located on a side of the fixing frame away from the inflatable frame structure. The substation dust-free bin also includes a first limiting structure, which is located between the connecting ring and the sealing plug.

[0012] Furthermore, the first limiting structure includes a limiting hole and a limiting protrusion, the limiting protrusion can be inserted into the limiting hole, one of the limiting hole and the limiting protrusion is arranged on the connecting ring, and the other of the limiting hole and the limiting protrusion is arranged on the sealing plug.

[0013] Furthermore, the dust-free bin of the transformer substation further comprises a second limiting structure, which comprises an elastic fixing tube, which is sleeved on the outer periphery of the connecting ring and connected to the inflatable frame structure.

[0014] Furthermore, the second limiting structure also includes a first ring-shaped member, a second ring-shaped member and a second elastic member, the second elastic member is connected between the first ring-shaped member and the second ring-shaped member, the first ring-shaped member is fixedly connected to the elastic fixing tube and / or the inflatable frame structure, the second ring-shaped member is movably arranged, and the second elastic member has an initial position and an extrusion position. When the second elastic member is in the initial position, the second ring-shaped member is located on the outside of the first limiting structure, and when the second elastic member is in the extrusion position, the second ring-shaped member is located between the first limiting structure and the inflatable frame structure.

[0015] The technical solution of the present invention is applied, and the inflatable frame structure has an inflatable channel, the protective layer cover is arranged on the inflatable frame structure, and the first side wall of the protective layer is provided with an inlet and outlet. The door curtain structure is arranged at the inlet and outlet. The transparent part is arranged on the second side wall of the protective layer. A plurality of air holes are arranged on the side wall of the protective layer at intervals. The inflatable part is connected to the inflatable channel of the inflatable frame structure. A plurality of shrinkage structures are arranged one by one with a plurality of air holes, and the shrinkage structure includes an annular flexible member and a pull rope, the outer ring of the annular flexible member is connected to the edge of the air hole, and the inner ring of the annular flexible member is connected to the pull rope, and the pull rope can drive the inner ring of the annular flexible member to reduce the diameter. Through the above arrangement, the inflatable frame structure can be inflated through the inflatable part, thereby making the inflatable frame structure have better strength, and the protective layer can block dust, thereby realizing the protection function. The arrangement of the door curtain structure can facilitate the operator to enter and exit or extend into it for operation, and the arrangement of the transparent part can facilitate the operator to observe from the outside. The arrangement of the shrinkage structure can adjust the size of the air hole, thereby achieving the change of the ventilation area. Specifically, when the pull cord is pulled, the inner ring of the annular flexible member can be pulled, thereby causing it to deform, thereby changing the ventilation area. Therefore, the technical solution of the present application effectively solves the problem of fixed ventilation hole size in the dust-free bin in the related art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of a substation dust-free bin according to the present invention is shown;

[0018] Figure 2 Shows Figure 1 A schematic diagram of the three-dimensional structure of the substation dust-free warehouse from another perspective;

[0019] Figure 3 Shows Figure 1 A schematic diagram of the shrinkage structure of the dust-free bin of a substation;

[0020] Figure 4 Shows Figure 1 Schematic diagram of part of the structure of the substation dust-free warehouse;

[0021] Figure 5 Shows Figure 4 A schematic diagram of a partial structure of an inflatable part;

[0022] Figure 6 Shows Figure 5 Schematic diagram of the exploded structure of the inflatable part.

[0023] The above drawings include the following reference numerals:

[0024] 10. Inflatable frame structure; 20. Protective layer; 30. Door curtain structure; 40. Transparent part; 50. Air vent; 60. Inflatable part; 61. Inflatable tube; 62. Flexible sealing ring; 63. Fixed frame; 631. Avoidance recess; 64. First elastic member; 65. Positioning ring; 651. Notch; 66. Limiting plate; 67. Connecting plate; 68. Connecting ring; 70. Shrinking structure; 71. Annular flexible member; 72. Draw rope; 80. Sealing plug; 91. First limiting structure; 911. Limiting hole; 912. Limiting protrusion; 92. Second limiting structure; 921. Elastic fixing tube; 922. First annular member; 923. Second annular member; 924. Second elastic member. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0027] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0028] like Figures 1 to 3 As shown, in this embodiment, the dust-free bin of the substation includes: an inflatable frame structure 10, a protective layer 20, a door curtain structure 30, a transparent part 40, a plurality of air holes 50, an inflatable part 60 and a plurality of shrinkage structures 70. The inflatable frame structure 10 has an inflatable channel. The protective layer 20 is covered on the inflatable frame structure 10, and an inlet and outlet are provided on the first side wall of the protective layer 20. The door curtain structure 30 is provided at the inlet and outlet. The transparent part 40 is provided on the second side wall of the protective layer 20. A plurality of air holes 50 are provided on the side wall of the protective layer 20 at intervals. The inflatable part 60 is connected to the inflatable channel of the inflatable frame structure 10. Multiple necking structures 70 are arranged in one-to-one correspondence with multiple air holes 50, and the opening size of the necking structure 70 can be adjusted. The necking structure 70 includes an annular flexible member 71 and a pull rope 72. The outer ring of the annular flexible member 71 is connected to the edge of the air hole 50, and the pull rope 72 is connected to the inner ring of the annular flexible member 71. The pull rope 72 can drive the diameter of the inner ring of the annular flexible member 71 to decrease.

[0029] The technical solution of this embodiment is applied, and the inflatable frame structure 10 has an inflatable channel, and the protective layer 20 is covered on the inflatable frame structure 10, and an inlet and outlet are arranged on the first side wall of the protective layer 20. The door curtain structure 30 is arranged at the inlet and outlet. The transparent part 40 is arranged on the second side wall of the protective layer 20. A plurality of air holes 50 are arranged on the side wall of the protective layer 20 at intervals. The inflatable part 60 is connected to the inflatable channel of the inflatable frame structure 10. A plurality of shrinking structures 70 are arranged one by one with a plurality of air holes 50, and the shrinking structure 70 includes an annular flexible member 71 and a pull rope 72, the outer ring of the annular flexible member 71 is connected to the edge of the air hole 50, and the inner ring of the annular flexible member 71 is connected to the pull rope 72, and the pull rope 72 can drive the inner ring of the annular flexible member 71 to reduce the diameter. Through the above-mentioned arrangement, the inflatable frame structure 10 can be inflated through the inflatable part 60, so that the strength of the inflatable frame structure 10 is better, and the protective layer 20 can block dust, thereby realizing the protection function. The setting of the door curtain structure 30 can facilitate the operator to enter and exit or reach into it to operate, and the setting of the transparent part 40 can facilitate the operator to observe from the outside. The setting of the constriction structure 70 can adjust the size of the air hole 50, thereby changing the ventilation area. Specifically, when the pull rope 72 is pulled, it can pull the inner circle of the annular flexible member 71, thereby causing it to deform, thereby changing the ventilation area. Therefore, the technical solution of this embodiment effectively solves the problem of fixed ventilation hole size in the dust-free bin in the related art.

[0030] Through this design, the substation dust-free chamber can effectively prevent external dust and impurities from entering, providing a clean working environment for substation equipment, thereby improving the operating efficiency and safety of the equipment. Especially under high dust, high humidity or extreme climate conditions, it can effectively protect the equipment from environmental factors, ensure the stable operation of the power system, and reduce equipment failures and maintenance costs caused by environmental factors.

[0031] like Figures 1 to 4 As shown, in this embodiment, the inflatable frame structure 10 is used as a supporting frame, and an inflatable method is used to achieve rapid prototyping and provide sufficient stability. During the installation process, gas is injected into the inflatable frame structure 10 through the inflatable tube 61, and the inflatable frame structure 10 gradually expands under the action of the gas until it reaches the set shape and hardness. In order to ensure that the inflatable frame structure 10 is not easily deformed when subjected to external forces, the outer wall of the inflatable frame structure 10 is covered with a high-strength protective layer 20, and the protective layer 20 is fixedly connected to the inflatable frame structure 10 by Velcro, which is convenient for rapid disassembly and assembly, and can still remain stable under the action of external forces.

[0032] Specifically, the protective layer 20 is a PVC coated mesh cloth.

[0033] In order to ensure the visibility and sealing inside the dust-free workshop, transparent parts 40 are provided on both sides of the protective layer 20, and a door curtain structure 30 is provided at the adjacent position. The transparent part 40 is closely adjacent to the door curtain structure 30 to form a closed structure. The transparent part 40 has good transparency, environmental protection and wear resistance, which can effectively prevent external dust or particles from entering the workshop, while ensuring that the operator can observe the internal situation from the outside, which is convenient for monitoring the operation status of the equipment. The door curtain structure 30 is made of flexible material, which is convenient for people to enter and exit, and ensures that it can fit the transparent part 40 well when closed to avoid dust intrusion at the joints.

[0034] Specifically, the transparent portion 40 is a TPU environmentally friendly transparent film.

[0035] like Figures 1 to 4 As shown, in this embodiment, the protective layer 20, the door curtain structure 30 and the transparent part 40 are all provided with ventilation holes 50 for providing airflow inside the workshop. These ventilation holes 50 are connected to the outside world through Velcro. A shrinking structure 70 is provided inside the Velcro, and the shrinking structure 70 is fixedly connected to the inner wall of the ventilation hole 50, and a pull cord 72 is provided inside the Velcro. The staff can manually control the opening and closing of the shrinking structure 70 by pulling the pull cord 72 to adjust the airflow inside the workshop according to different working environment requirements. This adjustable ventilation design not only realizes the effective control of the airflow inside the workshop, but also facilitates to ensure the stability and cleanliness of the workshop under different temperature and humidity conditions.

[0036] In order to ensure the sealing of the entrance and exit of the dust-free workshop during use, multiple magnetic parts are installed on the inner wall of the door curtain structure 30, and corresponding magnetic parts are installed on the inner wall of the adjacent position of the door curtain structure 30. During use, when the operator enters and exits the workshop, the magnetic parts and the magnetic parts will be attracted to each other through magnetism, so that the door curtain structure 30 will automatically close to prevent the air flow in the workshop from being disturbed, thereby preventing dust from entering the dust-free workshop. This magnetic structure design not only improves the sealing effect of the workshop, but also does not require additional mechanical operations, making the closing process of the door curtain structure 30 more convenient.

[0037] like Figures 4 to 6As shown, in this embodiment, the substation dust-free bin also includes a sealing plug 80, the inflatable part 60 includes an inflatable tube 61, a flexible sealing ring 62, a fixing frame 63 and a plurality of first elastic members 64, the first end of the inflatable tube 61 is connected to the inflatable frame structure 10, the flexible sealing member is connected to the second end of the inflatable tube 61, the fixing frame 63 is connected to the inflatable tube 61 or the inflatable frame structure 10, and the plurality of first elastic members 64 are arranged at intervals along the circumference of the flexible sealing ring 62, the first elastic member 64 is arranged between the fixing frame 63 and the flexible sealing ring 62, and the first elastic member 64 can apply elastic force to the flexible sealing ring 62, so that when the sealing plug 80 is inserted into the flexible sealing ring 62, the sealing plug 80 and the flexible sealing ring 62 are in abutment with each other. This sealing design ensures the airtightness of the inflatable frame structure 10, prevents the inflatable frame structure 10 from deflation, and further improves the protective effect. When the substation equipment is overhauled, replaced or maintained on a daily basis, this design can effectively reduce the failure rate of the equipment caused by external environmental factors and extend the service life of the equipment.

[0038] Specifically, when the sealing plug 80 is inserted into the flexible sealing ring 62 , the first elastic member 64 can squeeze the flexible sealing ring 62 , thereby making the flexible sealing ring 62 abut against the sealing plug 80 , thereby ensuring a sealing effect.

[0039] like Figures 4 to 6 As shown, in this embodiment, a relief recess 631 is provided on the fixing frame 63, and the first elastic member 64 is located in the relief recess 631. The design of the relief recess 631 allows the first elastic member 64 to be hidden, thereby preventing the first elastic member 64 from being directly exposed to the external environment, and reducing the possibility of aging or damage of the first elastic member 64 due to environmental factors (such as temperature and humidity), thereby ensuring a long-term stable sealing effect between the sealing plug 80 and the flexible sealing ring 62.

[0040] like Figures 4 to 6 As shown, in this embodiment, the inflatable part 60 further includes a positioning ring 65, which is sleeved on the outer periphery of the flexible sealing ring 62, and a plurality of notches 651 are arranged at intervals on the positioning ring 65, and the plurality of notches 651 are arranged one-to-one corresponding to the plurality of first elastic members 64. The combination of the positioning ring 65 and the notches 651 can not only ensure the stable positioning of the flexible sealing ring 62 on the inflatable tube 61, but also provide sufficient activity space for the first elastic member 64, so that it can fully expand and contract during operation, thereby ensuring the sealing effect when the sealing plug 80 is inserted.

[0041] like Figures 4 to 6As shown, in this embodiment, the inflatable part 60 also includes a plurality of limit plates 66, and at least two limit plates 66 are arranged on the periphery of each notch part 651, and the limit plates 66 are limitedly matched with the first elastic member 64. The setting of the limit plates 66 can effectively prevent the first elastic member 64 from being offset or falling off during operation, thereby ensuring the stability and reliability of the first elastic member 64, and thus ensuring the sealing performance of the inflatable part 60. During the operation of the substation equipment, this design can effectively avoid equipment failures caused by sealing failure, improve the overall stability and safety of the system, especially when the equipment needs to run continuously for a long time, this design can significantly improve the durability of the inflatable part, reduce equipment downtime caused by component damage, and ensure the continuity of power supply.

[0042] like Figures 4 to 6 As shown, in this embodiment, the inflatable part 60 further includes a plurality of connecting plates 67, and the plurality of connecting plates 67 are arranged one by one corresponding to the plurality of first elastic members 64, and the connecting plates 67 are located inside the avoidance recess 631 and abut against the first elastic member 64. The use of the connecting plates 67 can not only ensure a firm connection between the first elastic member 64 and the fixing frame 63, but also provide additional support for the first elastic member 64, making it more stable during operation, and improving the sealing effect between the sealing plug 80 and the flexible sealing ring 62.

[0043] like Figures 4 to 6 As shown, in this embodiment, the inflatable part 60 further includes a connecting ring 68, which is connected to the fixing frame 63 and is located on a side of the fixing frame 63 away from the inflatable frame structure 10, and the substation dust-free bin further includes a first limiting structure 91, which is located between the connecting ring 68 and the sealing plug 80. The design of the first limiting structure 91 can effectively prevent the sealing plug 80 from falling out due to excessive pressure during the inflation process, thereby ensuring the safety and reliability of the inflation process.

[0044] The above-mentioned design can effectively avoid equipment failure caused by the sealing plug 80 coming out, thereby improving the overall stability and safety of the system. By precisely adjusting the position of the first limiting structure 91, it can adapt to the inflation pressure requirements of different equipment, thereby ensuring the stability and reliability of the dust-free bin under various operating conditions.

[0045] like Figures 4 to 6As shown, in this embodiment, the first limiting structure 91 includes a limiting hole 911 and a limiting protrusion 912, and the limiting protrusion 912 can be inserted into the limiting hole 911. One of the limiting hole 911 and the limiting protrusion 912 is set on the connecting ring 68, and the other of the limiting hole 911 and the limiting protrusion 912 is set on the sealing plug 80. The use of the limiting hole 911 and the limiting protrusion 912 can not only ensure the stable connection between the sealing plug 80 and the connecting ring 68, but also provide an additional sealing effect to prevent gas leakage.

[0046] like Figures 4 to 6 As shown, in this embodiment, the substation dust-free bin also includes a second limiting structure 92, and the second limiting structure 92 includes an elastic fixing tube 921, which is sleeved on the outer periphery of the connecting ring 68 and connected to the inflatable frame structure 10. The design of the elastic fixing tube 921 can provide additional support and fixation for the connecting ring 68, prevent the connecting ring 68 from displacement or deformation during the inflation process, thereby ensuring the stability and reliability of the inflatable part 60. In addition, the above-mentioned elastic fixing tube 921 can limit the first limiting structure 91, thereby preventing the limiting hole 911 and the limiting protrusion 912 from being easily separated.

[0047] like Figures 4 to 6 As shown, in this embodiment, the second limiting structure 92 also includes a first ring member 922, a second ring member 923 and a second elastic member 924, the second elastic member 924 is connected between the first ring member 922 and the second ring member 923, the first ring member 922 is fixedly connected to the elastic fixing tube 921 and / or the inflatable frame structure 10, the second ring member 923 is movably arranged, and the second elastic member 924 has an initial position and an extrusion position. When the second elastic member 924 is in the initial position, the second ring member 923 is located outside the first limiting structure 91, and when the second elastic member 924 is in the extrusion position, the second ring member 923 is located between the first limiting structure 91 and the inflatable frame structure 10. This design can adjust the position of the second ring member 923 through the expansion and contraction of the second elastic member 924, thereby realizing dynamic limiting of the connecting ring 68, and ensuring the stability and reliability of the inflatable part 60 under different inflation pressures.

[0048] Specifically, the second annular member 923 can reduce the elastic deformation of the elastic fixing tube 921, thereby being able to fix the first limiting structure 91 to a limited extent, and preventing the limiting hole 911 from separating from the limiting protrusion 912. When the second annular member 923 avoids the first limiting structure 91, the elastic fixing tube 921 has a certain deformation space, so that the limiting hole 911 and the limiting protrusion 912 can be easily separated.

[0049] like Figures 4 to 6As shown, in this embodiment, the sealing plug 80 is used to seal the gas inside the inflatable frame structure 10. The sealing plug 80 is connected to the inflatable frame structure 10 through the inflatable tube 61 to achieve gas injection and sealing. After inflation, the sealing plug 80 will be firmly inserted into the inflatable tube opening of the inflatable frame structure 10 to prevent gas leakage. At the same time, one end of the inflatable tube 61 is fixedly connected to a fixing frame 63, and a plurality of connecting plates 67 are installed inside the fixing frame 63 to ensure the stability and firmness of the sealing structure.

[0050] In order to improve the use effect of the sealing assembly, the connecting plate 67 inside the fixing frame 63 further ensures the fitting density between the flexible sealing ring 62 and the inflatable frame structure 10 through the limiting plate 66 and the first elastic member 64. The limiting plate 66 is connected to the inner wall of the connecting plate 67, and a plurality of first elastic members 64 are installed between the limiting plate 66 and the connecting plate 67. When the flexible sealing ring 62 expands under the action of the sealing plug 80, the limiting plate 66 will slide along the movement direction of the flexible sealing ring 62 and generate pressure. This pressure acts on the first elastic member 64 to compress it, so as to prevent the flexible sealing ring 62 from being deformed or displaced due to excessive compression during the sealing process. This design maintains the fitting state of the flexible sealing ring 62 and the sealing plug 80 through the cooperation of the limiting plate 66 and the first elastic member 64, thereby ensuring the stability of the sealing effect.

[0051] like Figures 4 to 6 As shown, in this embodiment, the interior of the flexible sealing ring 62 is supported by a sealing plug 80 and is connected to the sealing plug 80 through one end of a connecting ring 68. As the sealing plug 80 exerts continuous pressure on the flexible sealing ring 62, the flexible sealing ring 62 will expand and, under the action of the connecting ring 68, the pressure will be evenly distributed on the surface of the limiting plate 66. This structural design ensures that the flexible sealing ring 62 will not leak when the inflatable frame structure 10 is filled with gas, thereby achieving complete sealing of the gas inside the inflatable frame structure 10.

[0052] like Figures 4 to 6 As shown, in this embodiment, the connecting ring 68 and the elastic fixing tube 921 cooperate with each other through sliding connection, and a plurality of limiting holes 911 are provided inside the connecting ring 68, and a plurality of limiting protrusions 912 are slidably connected in the limiting holes 911 for accurate positioning of the connecting ring 68. The limiting protrusions 912 are located on the inner wall of the limiting holes 911, and play a role in supporting and positioning the connecting ring 68, so that the connecting ring 68 will not be offset or loosened. This structure ensures the stability of the connecting ring 68 in a sealed or pressurized state through the interaction between the limiting protrusions 912 and the limiting holes 911.

[0053] like Figures 4 to 6As shown, in this embodiment, a second annular member 923 is provided on one side of the limiting protrusion 912, and the second annular member 923 is slidably connected to the outer wall of the elastic fixing tube 921, and is connected to the first annular member 922 through a second elastic member 924. One end of the second elastic member 924 is fixedly connected to one side of the second annular member 923, and the other end is connected to the outer wall of the elastic fixing tube 921 through the first annular member 922. During operation, the second annular member 923 can be automatically reset under the action of the second elastic member 924. When the second annular member 923 is reset, it will push the limiting protrusion 912 to slide to the inner wall of the limiting hole 911, thereby further fixing the connecting ring 68 and ensuring the stability of the internal sealing effect of the inflatable frame structure 10.

[0054] The technical solution of this embodiment has the following advantages:

[0055] 1. The inflatable frame structure 10, the sealing plug 80, the flexible sealing ring 62 and the supporting structure thereof can provide an excellent sealing effect. The combined design of the flexible sealing ring 62, the limiting plate 66 and the first elastic member 64 effectively prevents deformation or leakage caused by excessive compression during the sealing process, thereby ensuring stable sealing of the gas inside the inflatable frame structure 10, reducing the risk of gas leakage and improving the reliability of the seal.

[0056] 2. The inflatable frame structure 10 is rapidly expanded and formed by the inflatable tube 61. The combination of Velcro, PVC coated mesh cloth and TPU environmentally friendly transparent film makes the installation and removal of the equipment convenient and quick. When the equipment is brought to the site or needs to be relocated, it can be easily installed and removed, which greatly saves working hours and improves work efficiency.

[0057] 3. The magnetic parts and magnetic suction parts provided on the door curtain structure 30 can be automatically adsorbed and closed without manual operation, making it more convenient to enter and exit the workshop while ensuring the sealing. Even when people frequently enter and exit, it can effectively prevent dust from entering the workshop and maintain a clean environment.

[0058] 4. The ventilation holes 50 and the shrinkage structure 70 cooperate with the Velcro structure and the control design of the pull cord 72, making the airflow adjustment in the dust-free chamber convenient and flexible. Users can adjust the airflow volume and direction according to actual working conditions to adapt to different working temperature and humidity environments, so as to better maintain the air quality inside the dust-free chamber.

[0059] 5. The position is fixed by the mutual engagement of the limiting hole 911 and the limiting protrusion 912, so as to prevent the sealing plug 80 from loosening under high pressure. The second annular member 923 and the second elastic member 924 further ensure the positioning of the limiting protrusion 912, and enable the second annular member 923 to be quickly reset, providing additional safety for the sealing process. This stable fixing and reset design significantly improves the stability and safety of the sealing system.

[0060] Specifically, the substation dust-free bin provided by the present application forms a closed space through the inflatable frame structure 10 and the protective layer 20, effectively isolates the external environment, prevents dust and impurities from entering, ensures the cleanliness of the substation equipment, and improves the operating efficiency and safety of the equipment. The design of the transparent part 40 is convenient for the staff to observe the internal situation, and the combination of the shrinking structure 70 and the air vent 50 not only ensures ventilation, but also controls the entry of impurities in the air circulation by adjusting the opening size of the shrinking structure 70, further enhancing the protective effect of the dust-free bin. The special design of the inflatable part 60 ensures the reliability of the seal, and is convenient for inflation and maintenance. The overall solution improves the operating environment of the substation equipment, which has significant benefits in improving the equipment life and reducing maintenance costs. In addition, the dust-free bin also has good adaptability and flexibility, can be customized according to the size and requirements of different substation equipment, and is suitable for the protection of various substation equipment, such as transformers, switch cabinets, etc., especially in scenarios where frequent opening and closing are required, such as equipment maintenance, replacement or daily maintenance, its operation convenience and efficiency advantages are more obvious. At the same time, the dust-free warehouse also has good mobility and portability, and can be quickly deployed between different substations as needed, which greatly improves the flexibility and response speed of equipment protection and provides more comprehensive and efficient protection for the operation of substation equipment.

[0061] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0062] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0063] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dust-free warehouse for a substation, characterized in that: include: An inflatable frame structure (10) having an inflatable channel; A protective layer (20) is disposed on the inflatable frame structure (10), and an inlet and outlet are arranged on a first side wall of the protective layer (20); A door curtain structure (30) is arranged at the entrance and exit; A transparent portion (40) is arranged on the second side wall of the protective layer (20); A plurality of air holes (50) are arranged at intervals on the side wall of the protective layer (20); An inflatable portion (60) communicated with an inflatable passage of the inflatable frame structure (10); A plurality of shrinkage structures (70) are arranged in one-to-one correspondence with the plurality of ventilation holes (50), and the opening size of the shrinkage structure (70) can be adjusted. The shrinkage structure (70) includes an annular flexible member (71) and a pull rope (72), the outer ring of the annular flexible member (71) is connected to the edge of the ventilation hole (50), and the pull rope (72) is connected to the inner ring of the annular flexible member (71), and the pull rope (72) can drive the inner ring of the annular flexible member (71) to reduce its diameter.

2. The substation dust-free warehouse according to claim 1, characterized in that: The substation dust-free bin also includes a sealing plug (80), the inflation portion (60) includes an inflation tube (61), a flexible sealing ring (62), a fixing frame (63) and a plurality of first elastic members (64), the first end of the inflation tube (61) is communicated with the inflation frame structure (10), the flexible sealing member is connected to the second end of the inflation tube (61), the fixing frame (63) is connected to the inflation tube (61) or the inflation frame structure (10), a plurality of first elastic members (64) are arranged at intervals along the circumference of the flexible sealing ring (62), the first elastic member (64) is arranged between the fixing frame (63) and the flexible sealing ring (62), and the first elastic member (64) can apply an elastic force to the flexible sealing ring (62) so that when the sealing plug (80) is inserted into the flexible sealing ring (62), the sealing plug (80) and the flexible sealing ring (62) are in abutment with each other.

3. The substation dust-free warehouse according to claim 2, characterized in that: The fixing frame (63) is provided with an avoidance recess (631), and the first elastic member (64) is located in the avoidance recess (631).

4. The substation dust-free warehouse according to claim 2, characterized in that: The inflatable portion (60) further comprises a positioning ring (65), wherein the positioning ring (65) is sleeved on the outer circumference of the flexible sealing ring (62), and a plurality of notches (651) are arranged at intervals on the positioning ring (65), and the plurality of notches (651) are arranged in one-to-one correspondence with the plurality of first elastic members (64).

5. The substation dust-free warehouse according to claim 4, characterized in that: The inflatable portion (60) further comprises a plurality of limiting plates (66), at least two limiting plates (66) being arranged on the outer periphery of each notch portion (651), and the limiting plates (66) are in limiting cooperation with the first elastic member (64).

6. The substation dust-free warehouse according to claim 3, characterized in that: The inflatable portion (60) further comprises a plurality of connecting plates (67), the plurality of connecting plates (67) being arranged in one-to-one correspondence with the plurality of first elastic members (64), the connecting plates (67) being located inside the avoidance recess (631) and abutting against the first elastic member (64).

7. The substation dust-free warehouse according to claim 2, characterized in that: The inflatable portion (60) further comprises a connecting ring (68), wherein the connecting ring (68) is connected to the fixing frame (63) and is located on a side of the fixing frame (63) away from the inflatable frame structure (10), and the substation dust-free bin further comprises a first limiting structure (91), wherein the first limiting structure (91) is located between the connecting ring (68) and the sealing plug (80).

8. The substation dust-free warehouse according to claim 7, characterized in that: The first limiting structure (91) includes a limiting hole (911) and a limiting protrusion (912), wherein the limiting protrusion (912) can be inserted into the limiting hole (911), one of the limiting hole (911) and the limiting protrusion (912) is arranged on the connecting ring (68), and the other of the limiting hole (911) and the limiting protrusion (912) is arranged on the sealing plug (80).

9. The substation dust-free warehouse according to claim 8, characterized in that: The substation dust-free bin further comprises a second limiting structure (92), wherein the second limiting structure (92) comprises an elastic fixing tube (921), wherein the elastic fixing tube (921) is sleeved on the outer periphery of the connecting ring (68) and connected to the inflatable frame structure (10).

10. The substation dust-free warehouse according to claim 9, characterized in that: The second limiting structure (92) also includes a first ring-shaped member (922), a second ring-shaped member (923) and a second elastic member (924); the second elastic member (924) is connected between the first ring-shaped member (922) and the second ring-shaped member (923); the first ring-shaped member (922) is fixedly connected to the elastic fixing tube (921) and / or the inflatable frame structure (10); the second ring-shaped member (923) is movably arranged; the second elastic member (924) has an initial position and an extrusion position; when the second elastic member (924) is in the initial position, the second ring-shaped member (923) is located on the outside of the first limiting structure (91); when the second elastic member (924) is in the extrusion position, the second ring-shaped member (923) is located between the first limiting structure (91) and the inflatable frame structure (10).

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