Intelligent air exhaust device of GIS (Gas Insulated Switchgear) outdoor wall
By designing the intelligent exhaust device of the GIS outdoor wall, using motor-driven fans, protective nets and dust removal components, the existing exhaust fans are solved, and the problems of low starting efficiency and easy fan damage are achieved, achieving a more efficient and reliable ventilation effect.
Patent Information
- Application Number
- CN202421015296.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The existing GIS exterior wall exhaust fans have low starting efficiency, are prone to leaking, forget to turn off after starting, and the fan is easily damaged and shut down due to external forces, resulting in the operating environment of the GIS room that does not meet national and company standards.
An intelligent exhaust device for GIS outdoor wall was designed, including a motor-driven fan, protective net, dust removal component and fan control cabinet. The timed start and dust removal functions are achieved through control switches and time relays, protective nets and barrier nets Prevent small animals from entering and blocking debris.
It improves the automation and reliability of the exhaust device, ensures the ventilation effect of the GIS chamber, extends the service life of the fan, and avoids the problem of the protective net being blocked by dust.
Smart Images

Figure CN222504174U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of exhaust devices, in particular to an intelligent exhaust device for a GIS outdoor wall. Background Art
[0002] GIS (GAS insulated SWITCHGEAR) is a gas-insulated fully enclosed combination electrical structure, which consists of circuit breakers, disconnectors, grounding switches, mutual inductors, lightning arresters, busbars, connectors and outgoing terminals. These devices or components are all enclosed in a metal grounded casing, which is filled with a certain pressure of SF6 (sulfur hexafluoride), a synthetic fluorine-containing compound, which is used as arc extinguishing and insulating gas for enclosed medium and high voltage switches, so it is also called SF6 fully enclosed combination electrical appliances; SF6 gas is heavier than air and is easy to deposit in lower places, which may cause suffocation; and SF6 will react with water in the air to generate highly toxic hydrogen fluoride, which is harmful to human health. Therefore, it is necessary to adopt forced ventilation in the lower part of the GIS room, and then use the GIS external wall exhaust fan;
[0003] The existing GIS external wall exhaust fan currently uses manual periodic start-up to complete the fan periodic start-up, which has low start-up efficiency, easy missed start-up, forgotten to shut down after start-up, and the fan is damaged and stopped by external forces (including collisions between small animals and the fan), etc., resulting in the operating environment of the GIS room not meeting national and company standards. For this reason, the utility model proposes an intelligent exhaust device for the external wall of the GIS room. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an intelligent exhaust device for the outdoor wall of a GIS room, which solves the problems in the above-mentioned background technology.
[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: an intelligent exhaust device for an outdoor wall of a GIS comprises a wall, a through hole is opened inside the wall, a support frame is installed inside the through hole, a motor is arranged at the upper end of the support frame, a fan blade is arranged at the output end of the motor, and a marking coating is applied to the outer side of the fan blade, a blocking net is arranged at the tail of the through hole, a protective net is arranged outside the through hole, a fan control cabinet is arranged outside the wall, a control switch is installed outside the fan control cabinet, and a dust cleaning component is arranged outside the through hole;
[0006] The dust cleaning assembly comprises a support plate and a movable plate. A driving motor is arranged on the outer side of the support plate. A threaded rod is arranged on the output end of the driving motor. A limit switch is arranged on one side of the support plate.
[0007] As a further technical solution of the utility model, the through hole passes through the middle of the wall, the through hole is a cylindrical structure, the support frame and the through hole are fixedly connected, the motor and the support frame are fixedly connected by bolts, and a contactor, a time relay and an air switch are installed inside the fan control cabinet, and the number of the control switches is several groups and distributed in an array.
[0008] As a further technical solution of the utility model, the output end of the motor and the fan blades are fixedly connected by bolts, the blocking net and the through holes are connected by bolts, and the protective net is connected by a plurality of groups of iron wires intersecting and interlacing.
[0009] As a further technical solution of the utility model, the support plate is fixedly connected to the wall, the number of the support plates is four and they are distributed in an array, the drive motor is fixedly connected to the support plate by bolts, the number of the drive motors is two and they are symmetrically distributed.
[0010] As a further technical solution of the utility model, a fixed connection is formed between the output end of the driving motor and the threaded rod, the number of the threaded rods is two groups and they are symmetrically distributed, a bearing seat is arranged between the threaded rods and the support plate, the limit switch is fixedly connected to the support plate, the number of the limit switches is four groups and they are distributed in an array.
[0011] As a further technical solution of the utility model, the movable plate is a rectangular structure, a cleaning brush is fixedly connected to the bottom of the movable plate, the cleaning brush is in contact with the protective net, a threaded hole passes through the middle of the movable plate, and the threaded hole is adapted to the threaded rod.
[0012] The utility model provides an intelligent exhaust device for the outdoor wall of GIS. Compared with the prior art, it has the following beneficial effects:
[0013] 1. The intelligent exhaust device of the outdoor wall of GIS, through the setting of the dust cleaning component, during the cleaning process of the protective net, drives the threaded rod to rotate along the bearing seat through the output end of the driving motor, so that the threaded rod rotates along the inside of the threaded hole, and the moving plate drives the dust cleaning brush to move along the outside of the protective net, so as to clean the protective net and prevent the protective net from being blocked by dust and affecting ventilation.
[0014] 2. The intelligent exhaust device on the outdoor wall of GIS can protect the inner side of the wall through the setting of a protective net, isolate small animals from entering the through-holes, and avoid deformation caused by collision between the fan blades and small animals. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of the intelligent exhaust device for the outdoor wall of GIS;
[0016] Figure 2 This is a partial structural diagram of the intelligent exhaust device for the outdoor wall of the GIS;
[0017] Figure 3 This is a partial breakdown diagram of the intelligent exhaust device on the outdoor wall of the GIS;
[0018] Figure 4 Intelligent exhaust device for GIS outdoor wall Figure 3 A magnified view of middle;
[0019] Figure 5 Intelligent exhaust device for GIS outdoor wall Figure 3 Enlarged view of B.
[0020] In the figure: 1. wall; 2. through hole; 3. support frame; 4. motor; 5. fan blade; 6. identification coating; 7. blocking net; 8. protective net; 9. fan control cabinet; 10. control switch; 11. dust cleaning component; 111. support plate; 112. drive motor; 113. threaded rod; 114. limit switch; 115. movable plate; 116. dust cleaning brush; 117. threaded hole. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-5 The utility model provides a technical solution for an intelligent exhaust device for an outdoor wall of a GIS: the intelligent exhaust device for an outdoor wall of a GIS comprises a wall 1, a through hole 2 is provided inside the wall 1, a support frame 3 is installed inside the through hole 2, a motor 4 is arranged at the upper end of the support frame 3, a fan blade 5 is arranged at the output end of the motor 4, and a marking coating 6 is coated on the outer side of the fan blade 5, a blocking net 7 is arranged at the tail of the through hole 2, a protective net 8 is arranged on the outer side of the through hole 2, a fan control cabinet 9 is arranged on the outer side of the wall 1, a control switch 10 is installed on the outer side of the fan control cabinet 9, and a dust cleaning component 11 is arranged on the outer side of the through hole 2;
[0023] The dust cleaning assembly 11 includes a support plate 111 and a movable plate 115 . A driving motor 112 is disposed on the outer side of the support plate 111 . A threaded rod 113 is disposed on the output end of the driving motor 112 . A limit switch 114 is disposed on one side of the support plate 111 .
[0024] See also Figure 1-3 The through hole 2 runs through the middle of the wall 1, and the through hole 2 is a cylindrical structure. The support frame 3 and the through hole 2 are fixedly connected, and the motor 4 and the support frame 3 are fixedly connected by bolts. A contactor, a time relay and an air switch are installed inside the fan control cabinet 9. The number of control switches 10 is several groups and distributed in an array, which is conducive to the installation and ventilation of the motor 4.
[0025] See also Figure 1-3 The output end of the motor 4 is fixedly connected to the fan blade 5 by bolts, the blocking net 7 is connected to the through hole 2 by bolts, and the protective net 8 is a plurality of groups of iron wires intersecting and interlacing, which is conducive to blocking the through hole 2, so that debris cannot enter the interior of the through hole 2, avoiding the fan blade 5 from being deformed due to collision, thereby improving the service life of the fan blade 5.
[0026] See also Figure 1-5 The support plates 111 are fixedly connected to the wall 1 , the number of the support plates 111 is four groups and they are distributed in an array, the drive motors 112 are fixedly connected to the support plates 111 by bolts, the number of the drive motors 112 is two groups and they are distributed symmetrically, which is convenient for the installation of the drive motors 112 .
[0027] See also Figure 1-5 A fixed connection is formed between the output end of the driving motor 112 and the threaded rod 113. The number of threaded rods 113 is two groups and they are symmetrically distributed. A bearing seat is arranged between the threaded rod 113 and the support plate 111. The limit switch 114 is fixedly connected to the support plate 111. The number of limit switches 114 is four groups and they are distributed in an array. The movable plate 115 is a rectangular structure. A cleaning brush 116 is fixedly connected to the bottom of the movable plate 115. The cleaning brush 116 is in contact with the protective net 8. A threaded hole 117 runs through the middle of the movable plate 115. The threaded hole 117 is adapted to the threaded rod 113, which is conducive to cleaning the protective net 8 through the cleaning brush 116 to prevent the protective net 8 from being blocked by dust and affecting ventilation.
[0028] The working principle of the utility model is as follows: during the use of the device, the user installs the motor 4 at the upper end of the support frame 3 in the through hole 2, then fixes the blocking net 7 and the protective net 8 between the through hole 2, controls the motor 4 to start at a timer through the control switch 10, and then controls the cleaning component 11 through the control switch 10 to clean the outside of the protective net 8.
[0029] It should be noted that through the setting of the cleaning component 11, during the cleaning process of the protective net 8, under the support of the support plate 111, the output end of the drive motor 112 drives the threaded rod 113 to rotate along the bearing seat, so that the threaded rod 113 rotates along the inside of the threaded hole 117, so that the movable plate 115 drives the cleaning brush 116 to move along the outside of the protective net 8. At the same time, the movable plate 115 is in contact with the limit switch 114, and feedback is given to the inside of the fan control cabinet 9, and then the output end of the drive motor 112 is controlled to reverse, thereby further driving the cleaning brush 116 and the outside of the protective net 8 to move in the opposite direction, so that the protective net 8 can be cleaned to prevent the protective net 8 from being blocked by dust and affecting ventilation.
Claims
1. An intelligent exhaust device for an outdoor wall of a GIS comprises a wall (1), characterized in that: A through hole (2) is provided inside the wall (1), a support frame (3) is installed inside the through hole (2), a motor (4) is provided at the upper end of the support frame (3), a fan blade (5) is provided at the output end of the motor (4), the outer side of the fan blade (5) is coated with a marking coating (6), a blocking net (7) is provided at the rear of the through hole (2), a protective net (8) is provided on the outer side of the through hole (2), a fan control cabinet (9) is provided on the outer side of the wall (1), a control switch (10) is installed on the outer side of the fan control cabinet (9), and a dust cleaning component (11) is provided on the outer side of the through hole (2); The dust cleaning component (11) comprises a support plate (111) and a movable plate (115); a drive motor (112) is arranged on the outer side of the support plate (111); a threaded rod (113) is arranged at the output end of the drive motor (112); and a limit switch (114) is arranged on one side of the support plate (111).
2. The intelligent exhaust device for the outdoor wall of GIS according to claim 1 is characterized in that: The through hole (2) passes through the middle of the wall (1); the through hole (2) is a cylindrical structure; the support frame (3) and the through hole (2) are fixedly connected; the motor (4) and the support frame (3) are fixedly connected by bolts; a contactor, a time relay and an air switch are installed inside the fan control cabinet (9); and the control switches (10) are in a plurality of groups and are distributed in an array.
3. The intelligent exhaust device for the outdoor wall of GIS according to claim 1 is characterized in that: The output end of the motor (4) and the fan blade (5) are fixedly connected by bolts, the blocking net (7) and the through hole (2) are connected by bolts, and the protective net (8) is a plurality of groups of iron wires intersecting and interlacing.
4. The intelligent exhaust device for the outdoor wall of GIS according to claim 1 is characterized in that: The support plates (111) are fixedly connected to the wall (1); the support plates (111) are provided in four groups and are distributed in an array; the drive motors (112) are fixedly connected to the support plates (111) by bolts; the drive motors (112) are provided in two groups and are distributed symmetrically.
5. The intelligent exhaust device for the outdoor wall of GIS according to claim 1 is characterized in that: An output end of the driving motor (112) is fixedly connected to the threaded rod (113); the threaded rods (113) are provided in two groups and are symmetrically distributed; a bearing seat is provided between the threaded rod (113) and the support plate (111); the limit switch (114) is fixedly connected to the support plate (111); the limit switches (114) are provided in four groups and are distributed in an array.
6. The intelligent exhaust device for the outdoor wall of GIS according to claim 1 is characterized in that: The movable plate (115) is a rectangular structure. A cleaning brush (116) is fixedly connected to the bottom of the movable plate (115). The cleaning brush (116) is in contact with the protective net (8). A threaded hole (117) passes through the middle of the movable plate (115). The threaded hole (117) is adapted to fit the threaded rod (113).