Miniature GIS air chamber visual maintenance workbench

Abstract

The invention discloses a visual maintenance workbench for a miniature GIS (gas insulated switchgear) gas chamber, and relates to the technical field of electrical equipment operation and maintenance, the visual maintenance workbench comprises a visual toolbox which is quickly and stably connected with GIS equipment through a joint opening, the visual toolbox is integrally made of super-clear transparent plastic materials, and transparent visualization in the GIS internal operation process is realized, an iris mechanism, an auxiliary operation glove, a tool table, a dehumidification and dust removal interface and the like are further arranged in the visual tool box, communication between the working table and the air chamber is controlled through the iris mechanism, so that maintenance work can be carried out smoothly, the maintenance working table is connected with the GIS equipment in a closed mode, and the maintenance efficiency is improved. Compared with the prior art, the visual maintenance workbench has the advantages that the influence of the external environment on the interior of the GIS in the maintenance process is effectively avoided, in addition, the visual maintenance workbench can be effectively fixed to the uncovering position of the GIS air chamber according to flanges of different sizes and different positions, closed visual maintenance is achieved, the GIS is prevented from being exposed in the air in the maintenance process through the design device, and the operation efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of electrical equipment operation and maintenance, and in particular to a micro GIS air chamber visual maintenance workbench. Background Art

[0002] GIS (Gas Insulated Switchgear) is widely used in power systems due to its compact structure, small footprint, and low maintenance. The safe and stable operation of GIS is crucial to power systems and is the fundamental requirement for improving power supply safety and meeting power supply reliability. At present, almost all newly commissioned substations in China use GIS equipment, which may cause problems such as excessive water content, air leakage, partial discharge, and flashover during actual operation. Therefore, GIS equipment needs to be inspected and maintained to ensure stable operation of the equipment.

[0003] In the traditional maintenance method, the staff needs to open the GIS air chamber cover. At this time, the entire working area is exposed to the air and is easily affected by the external environment temperature, humidity and cleanliness. (When the humidity is greater than 80%, the number of particles ≥0.5μm per cubic meter is greater than 352,000,000, and the number of particles ≥5μm is greater than 2,930,000, it is forbidden to open the cover for maintenance.) For the replacement of outdoor GIS adsorbents, it is often encountered that the environmental humidity is high during power outages, strong winds and other factors do not meet the GIS cover opening environment requirements, resulting in the inability to replace the adsorbent. Therefore, the traditional maintenance method is not suitable for the inspection and maintenance of outdoor GIS. Summary of the invention

[0004] In view of the above shortcomings, the present invention provides a micro GIS air chamber visual maintenance workbench, which is easy to install and transparent and visual, and can realize closed and visual maintenance operations, effectively avoiding the influence of the external environment on the inside of the GIS during the maintenance process. The specific technical solution is as follows:

[0005] A micro GIS air chamber visual maintenance workbench, comprising:

[0006] A visualization tool box, the installation surface of which is provided with a mounting sleeve adapted to the air chamber end cover so that the visualization tool box cover is arranged on the air chamber end cover;

[0007] An iris mechanism, which is installed in the installation sleeve and is used to control the connection and disconnection between the visualization tool box and the air chamber;

[0008] An operating glove installed in the visualization tool box;

[0009] A tool bench is detachably mounted in the visualization tool box.

[0010] Preferably, the overall structure of the visualization tool box is made of transparent plastic material.

[0011] Preferably, the visualization tool box includes an installation body, a hinge, an opening and closing sealing door and a sealing rubber ring. The opening and closing sealing door is rotatably installed on the installation body through the hinge. The sealing rubber ring is provided on the inner door frame of the opening and closing sealing door, so that when the opening and closing sealing door is in a closed state, a sealed cavity is formed inside the visualization tool box.

[0012] Preferably, the operating glove is rotatably mounted on the side wall of the mounting body and faces the sealing cavity.

[0013] Preferably, the tool bench includes a mounting support plate, a carrying plate and a tool storage groove. The mounting support plate frame is detachably installed in the sealing cavity. The carrying plate is installed on the mounting support plate. A plurality of tool storage grooves are provided on the carrying plate. A plurality of insertion holes are also provided on the carrying plate.

[0014] Preferably, the installation body is also provided with a temperature measuring instrument, a humidity measuring instrument, a barometer and a dust concentration detector.

[0015] Preferably, the installation body is also provided with an air inlet and an air outlet, and the air inlet and the air outlet are connected to an external dehumidifier via a gas conduit.

[0016] Preferably, the iris mechanism is laid on the end cover of the air chamber, and the iris mechanism includes a driving connecting plate, a mounting base plate, an opening and closing leaf, a connecting rod, a rotating shaft and a slider, the mounting base plate is mounted on the mounting sleeve, and a plurality of the sliders are evenly distributed around the center of the mounting base plate, and the driving connecting plate is provided with a plurality of arc-shaped sliding grooves adapted to the sliders, so that the driving connecting plate can be rotatably mounted on the mounting base plate, an operating through hole is penetrated by the mounting base plate, and a mounting through hole is penetrated by the driving connecting plate, and the opening and closing leaf is rotatably mounted on the outer periphery of the operating through hole through the rotating shaft, one end of the connecting rod is rotatably connected to the opening and closing leaf, and the other end is rotatably connected to the driving connecting plate, and the opening and closing leaf is driven to rotate by rotating the driving connecting plate, and the opening and closing of the operating through hole is controlled by the opening and closing leaf.

[0017] Preferably, the plane of the opening and closing leaf is triangular in shape, and a plurality of the opening and closing leaves are combined to close the operating through hole.

[0018] Preferably, a driving handle is provided on the driving connecting plate.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The present invention provides a micro GIS air chamber visual maintenance workbench, which can be effectively and stably installed on the GIS air chamber cover. The sealed cavity formed inside the maintenance workbench can effectively isolate the air chamber from the external environment, effectively solving the problems of GIS air chamber being easily affected by the external environment during maintenance, being unable to operate when the external humidity is high, air chamber gas leakage during opening operation, internal moisture, and long opening maintenance time.

[0021] 2. The present invention provides a visual maintenance workbench, which is made of ultra-clear transparent plastic material as a whole, and can realize visual maintenance operations in a closed environment, thereby improving operation efficiency.

[0022] 3. The visual maintenance workbench provided by the present invention adopts an iris mechanism at the connection between the device and the air chamber end cover, and the opening and closing control of the air chamber channel opening can be achieved through simple driving, which is convenient for the smooth implementation of maintenance work. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0024] Figure 1 It is a schematic diagram of the overall structure of the visualization toolbox of the present invention;

[0025] Figure 2 This is a side view of the maintenance workbench used and installed in the present invention;

[0026] Figure 3 It is a front view of the overall structure (excluding the installation sleeve) of the present invention;

[0027] Figure 4 It is a schematic diagram of the structure of the tool bench in the present invention;

[0028] Figure 5 It is a cross-sectional view of the overall structure of the maintenance platform in the present invention.

[0029] 100-Visual tool box, 110-Mounting body, 111-Temperature measuring instrument, 112-Humidity measuring instrument, 113-Barometer, 114-Air inlet, 115-Air outlet, 113-Dust concentration detector, 120-Hinge, 130-Opening and closing sealed door, 200-Tool table, 210-Mounting support plate, 220-Carrying plate, 221-Insert hole, 230-Tool storage slot, 300-Operating gloves, 400-Iris mechanism, 410-Drive connecting plate, 411-Arc slide groove, 412-Drive handle, 420-Mounting bottom plate, 430-Opening and closing leaves, 440-Connecting rod, 450-Rotary shaft, 460-Slider, DETAILED DESCRIPTION

[0030] The technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present invention, not all of the embodiments. Based on the embodiment 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.

[0031] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0032] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If the terms "first", "second", "third" are described, they are only used for the purpose of description and distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0034] Example

[0035] like Figures 1 to 5 As shown, the present invention provides a miniature GIS air chamber visual maintenance workbench, including a visual tool box 100 that can be quickly covered on the GIS equipment through a mounting sleeve that matches the air chamber end cover, wherein the mounting sleeve and the main body of the visual tool box 100 are an integrated structure. It is worth mentioning that the length and diameter of the mounting sleeve can be set according to the installation positions of flanges of different sizes and different lengths, in order to be able to stably fix the main body to the opening of the GIS air chamber. The visual tool box 100 is made of ultra-clear transparent plastic material as a whole, which can meet the full visualization of the maintenance work inside the air chamber. At the same time, the connection between the visual tool box 100 and the air chamber end cover is sealed to ensure that when the air chamber end cover is opened, the air chamber environment can only be connected to the interior of the visual tool box 100, and will not contact the external environment, and will not be affected by the external environment during the operation;

[0036] Preferably, the visualization toolbox 100 is provided with operating gloves 300. It is worth mentioning that the operating gloves 300 are flexible gloves with dust-proof and moisture-proof functions, thereby avoiding secondary pollution of the air chamber during the maintenance process. At the same time, the provision of the operating gloves 300 makes it easier for the staff to perform dust-free maintenance operations on the air chamber in the visualization maintenance work platform.

[0037] In some preferred embodiments, the visualization tool box 100 includes a mounting body 110, a hinge 120, an opening and closing sealing door 130 and a sealing rubber ring. A replacement port is provided on the side of the mounting body 110. The opening and closing sealing door 130 is rotatably installed at the replacement port through the hinge 120. The sealing rubber ring is provided on the inner door frame of the opening and closing sealing door 130 so that a sealed cavity is formed inside the visualization tool box 100 when the opening and closing sealing door 130 is in a closed state. The opening and closing sealing door 130 is used to replace the equipment in the box during the maintenance process. Furthermore, the operating glove 300 is rotatably installed on the side wall of the mounting body 110 and is located in the sealed cavity. The operating end of the operating glove 300 faces the end cover of the air chamber. The operator can perform maintenance work on the inside of the air chamber through the visualization tool box 100 and the operating glove 300 without obstacles.

[0038] In some preferred embodiments, the installation body 110 is also provided with a temperature measuring instrument 111, a humidity measuring instrument 112, a barometer 113 and a dust concentration tester 116. The test probes of the temperature measuring instrument 111, the humidity measuring instrument 112, the barometer 113 and the dust concentration tester 116 are all facing the inside of the sealed cavity, so as to detect the inside of the sealed cavity in real time. The above detection instruments can be purchased on the market and are existing known instruments. Specifically, the temperature condition inside the sealed cavity is known in real time through the temperature measuring instrument 111; the humidity condition inside the sealed cavity is known in real time through the humidity measuring instrument 112; the pressure condition inside the sealed cavity is observed in real time through the barometer 113; the dust concentration detector 116 is used to detect the dust particle concentration condition inside the maintenance workbench.

[0039] In some preferred embodiments, the installation body 110 is also provided with an air inlet 114 and an air outlet 115. The air inlet 114 and the air outlet 115 are connected to an external dehumidifier through a gas duct. When the air chamber is connected to the sealed cavity, the humidity measuring instrument 112 detects that the moisture condition in the sealed cavity is higher than a limit value. The moisture inside the sealed cavity can be discharged through the dehumidifier to ensure the dryness of the working environment.

[0040] Preferably, the tool bench 200 includes a mounting support plate 210, a carrier plate 220 and a tool storage slot 230. The mounting support plate 210 is detachably mounted in the sealed cavity. The mounting support plate 210 can be fixedly mounted in the sealed cavity by threaded connection. The carrier plate 220 is mounted on the mounting support plate 210. The carrier plate 220 is provided with a plurality of tool storage slots 230. The carrier plate 220 is also provided with a plurality of insertion holes 221. The tool bench 200 is provided with a wrench, bolt and nut placement box. The tool bench 200 is fixed as a whole to the interior of the visualization tool box 100 and can be replaced.

[0041] In some preferred embodiments, the iris mechanism 400 is installed on the mounting sleeve. When the iris mechanism 400 is in a closed state, it is laid on the end cover and closes the air chamber channel. The iris mechanism 400 includes a driving connecting plate 410, a mounting base plate 420, an opening and closing leaf 430, a connecting rod 440, a rotating shaft 450 and a slider 460. The mounting base plate 420 is installed on the mounting sleeve. A plurality of sliders 460 are evenly distributed around the center of the mounting base plate 420. The driving connecting plate 410 is provided with a plurality of arc-shaped sliding grooves 411 adapted to the sliders 460 so that the driving connecting plate 410 can be rotatably mounted on the mounting base plate 420. 0, an operation through hole is penetrated on the mounting base plate 420, the visualization toolbox 100 is connected with the air chamber through the operation through hole, the driving connecting plate 410 is penetrated with a mounting through hole, the opening and closing leaf 430 is rotatably mounted on the outer periphery of the operating through hole through the rotating shaft 450, it is worth mentioning that the opening and closing leaf 430 is triangular in shape in plane, one end of the connecting rod 440 is rotatably connected to a corner of the opening and closing leaf 430, and the other end is rotatably connected to the driving connecting plate 410, the driving connecting plate 410 is rotated to drive the opening and closing leaf 430 to rotate, and the opening and closing of the operating through hole is controlled by the opening and closing leaf 430.

[0042] The driving connecting plate 410 is provided with a driving handle 412, and the mounting base plate 420 is close to the opening of the air chamber end cover. It is worth mentioning that the diameter of the operating through hole is larger than the diameter of the through hole at the air chamber end cover. The purpose is to enable the connecting hole on the iris mechanism 400 to open and close to a size sufficient to remove the air chamber end cover. During operation, the staff manually drives the driving handle 412 to rotate the driving connecting plate 410 on the mounting base plate 420, thereby driving the flipping of the connecting rod 440. The flipping of the connecting rod 440 pulls the opening and closing leaf 430 to rotate around its mounting shaft, thereby realizing the opening and closing control of the operating through hole: when a number of the opening and closing leaves 430 are combined, the operating through hole is closed; when the opening and closing leaves 430 are rotated and unfolded, the operating through hole is opened. At this time, the sealing cavity is connected to the air chamber cavity, and the operator can carry out maintenance and other operations.

[0043] Next, the use of the maintenance platform in this embodiment is described in detail so that those skilled in the art can better understand the present invention:

[0044] S1: Select a suitable maintenance workbench according to the size of the air chamber to be repaired. After selection, the installation sleeve on the visualization tool box 100 is installed corresponding to the air chamber end cover so that the outer end surface of the iris mechanism 400 abuts against the air chamber end cover (the end cover on the air chamber is not removed at this time, and the iris mechanism 400 on the maintenance workbench is also in a closed state). It is worth mentioning that for outdoor GIS equipment maintenance, in order to make the visualization tool box 100 be installed on the air chamber end cover more stably and without shaking, a support frame can be installed at the bottom of the installation body 110 for support;

[0045] S2: Install the tool bench 200 and configure the required maintenance and disassembly tools on the tool bench 200;

[0046] S3: After completing the above steps, debug the working environment (sealed chamber environment) inside the maintenance workbench, observe the data displayed on the temperature measuring instrument 111, the humidity measuring instrument 112, the barometer 113 and the dust concentration detector 116, and ensure whether the temperature, humidity, working environment pressure and cleanliness are within the specified range. If an indicator is not within the specified parameter range, make corresponding adjustments to ensure that the maintenance environment meets the maintenance standards;

[0047] S4: After the maintenance environment standard is met, the driving handle 412 is toggled to rotate the opening and closing leaf 430 to open the operating through hole. The diameter of the operating through hole is larger than the diameter of the air chamber end cover. Therefore, the opening and closing leaf 430 only needs to be opened until the air cover is exposed and sufficient to remove the air cover (it is worth mentioning that the influence caused by the gap between the opening and closing leaf 430 and the outer periphery of the air chamber end cover is negligible, and it is regarded as an ideal maintenance environment);

[0048] S5: After removing the gas cover, use the operating gloves 300 to inspect the inside of the gas chamber;

[0049] S6: After the inspection is completed, the gas cover is reinstalled, the inspection workbench is removed, and the inspection work is completed.

[0050] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A micro GIS air chamber visual maintenance workbench, characterized in that: include: A visualization tool box (100), the installation surface of which is provided with a mounting sleeve adapted to the air chamber end cover so that the visualization tool box (100) can be covered on the air chamber end cover; An iris mechanism (400), which is installed in the installation sleeve and is used to control the connection and disconnection between the visualization tool box (100) and the interior of the air chamber; An operating glove (300) installed in the visualization tool box (100); A tool bench (200) is detachably mounted in the visualization tool box (100).

2. A micro GIS air chamber visual maintenance workbench according to claim 1, characterized in that: The overall structure of the visualization tool box (100) is made of transparent plastic material.

3. According to claim 1, a micro GIS air chamber visual maintenance workbench is characterized in that: The visualization tool box (100) comprises a mounting body (110), a hinge (120), an opening and closing sealing door (130) and a sealing rubber ring. The opening and closing sealing door (130) is rotatably mounted on the mounting body (110) via the hinge (120). The sealing rubber ring is arranged on the inner door frame of the opening and closing sealing door (130), so that when the opening and closing sealing door (130) is in a closed state, a sealed cavity is formed inside the visualization tool box (100).

4. A micro GIS air chamber visual maintenance workbench according to claim 3, characterized in that: The operating glove (300) is rotatably mounted on the side wall of the mounting body (110) and faces the sealed cavity.

5. The micro GIS air chamber visual maintenance workbench according to claim 3 is characterized in that: The tool bench (200) comprises a mounting support plate (210), a carrying plate (220) and a tool storage groove (230); the mounting support plate (210) is detachably mounted in the sealing cavity; the carrying plate (220) is mounted on the mounting support plate (210); a plurality of tool storage grooves (230) are provided on the carrying plate (220); and a plurality of insertion holes (221) are also provided on the carrying plate (220).

6. The micro GIS air chamber visual maintenance workbench according to claim 3 is characterized in that: The installation body (110) is also provided with a temperature measuring instrument (111), a humidity measuring instrument (112), a barometer (113) and a dust concentration detector (116).

7. The micro GIS air chamber visual maintenance workbench according to claim 3 is characterized in that: The installation body (110) is also provided with an air inlet (114) and an air outlet (115), and the air inlet (114) and the air outlet (115) are connected to an external dehumidifier via a gas conduit.

8. The micro GIS air chamber visual maintenance workbench according to claim 3 is characterized in that: The iris mechanism (400) is laid on the end cover of the air chamber, and the iris mechanism (400) includes a driving connecting plate (410), a mounting base plate (420), an opening and closing leaf (430), a connecting rod (440), a rotating shaft (450) and a sliding block (460). The mounting base plate (420) is mounted on the mounting sleeve, and a plurality of sliding blocks (460) are evenly distributed around the center of the mounting base plate (420). The driving connecting plate (410) is provided with a plurality of arc-shaped sliding grooves (411) adapted to the sliding blocks (460) so that the driving connecting plate (410) can be rotated and mounted on the The mounting base plate (420) is provided with an operating through hole, the driving connecting plate (410) is provided with a mounting through hole, the opening and closing leaf (430) is rotatably mounted on the outer periphery of the operating through hole via the rotating shaft (450), one end of the connecting rod (440) is rotatably connected to the opening and closing leaf (430), and the other end is rotatably connected to the driving connecting plate (410), the opening and closing leaf (430) is driven to rotate by rotating the driving connecting plate (410), and the opening and closing of the operating through hole is controlled by the opening and closing leaf (430).

9. A micro GIS air chamber visual maintenance workbench according to claim 8, characterized in that: The opening and closing leaves (430) are triangular in shape in plane, and a plurality of the opening and closing leaves (430) are combined to close the operating through hole.

10. The micro GIS air chamber visual maintenance workbench according to claim 8 is characterized in that: The driving connecting plate (410) is provided with a driving handle (412).

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