CN114000764A - Portable dust-free working chamber for transformer field maintenance and use method thereof - Google Patents
Portable dust-free working chamber for transformer field maintenance and use method thereof Download PDFInfo
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- CN114000764A CN114000764A CN202111248156.8A CN202111248156A CN114000764A CN 114000764 A CN114000764 A CN 114000764A CN 202111248156 A CN202111248156 A CN 202111248156A CN 114000764 A CN114000764 A CN 114000764A
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- 238000012423 maintenance Methods 0.000 title abstract description 43
- 238000000034 method Methods 0.000 title description 6
- 239000010408 film Substances 0.000 claims abstract description 199
- 239000010409 thin film Substances 0.000 claims abstract description 15
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- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 8
- 230000008439 repair process Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
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- 238000004887 air purification Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- 230000007547 defect Effects 0.000 description 1
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- 238000005485 electric heating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/02—Tents combined or specially associated with other devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/02—Tents combined or specially associated with other devices
- E04H15/10—Heating, lighting or ventilating
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/02—Tents combined or specially associated with other devices
- E04H15/10—Heating, lighting or ventilating
- E04H15/12—Heating
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/02—Tents combined or specially associated with other devices
- E04H15/10—Heating, lighting or ventilating
- E04H15/14—Ventilating
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/06—Pits or building structures for inspection or services
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
- E04H2015/201—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable tubular framework, with or without tent cover
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- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a portable dust-free working chamber for field maintenance of a transformer, which comprises a frame, wherein the frame is of a frame structure consisting of flexible thin film hollow pipes, flexible side films are arranged on each side surface of the frame, a flexible top film is arranged on the top surface of the frame, and a flexible bottom film is arranged on the bottom surface of the frame, so that the frame, the side films, the top film and the bottom film form a closed space; an access is formed in at least one side film, and a flexible access film is correspondingly arranged at the access; an access passage is arranged on one side film. The invention can meet the requirement of severe weather for field maintenance of the transformer, can be butted with a manhole of the transformer, and can be transited into the transformer by a maintenance worker through a working chamber to be maintained or bring transformer set accessories into the working chamber to be maintained.
Description
Technical Field
The invention relates to the technical field of transformer maintenance equipment, in particular to a portable dust-free working chamber for field maintenance of a transformer and a using method thereof.
Background
The requirement of the environment humidity of a working site for overhauling the transformer is very high (the humidity is less than 75% and allowed to work for 12 hours, the humidity is less than 60% and allowed to work for 16 hours), if the requirement cannot be met on the site, the transformer cannot work, and otherwise, the vicious consequences such as partial discharge, excessive micro-water and even voltage breakdown are easily caused in the later stage of equipment operation. However, since the transformer is an important power transmission and transformation core device in the system, the maintenance time is often very urgent, the influence caused by the environmental humidity is very large, and the stable operation of the system is directly influenced, so that the problem of influence of the environment on the maintenance of the transformer is urgently needed to be solved.
At present, southern power grid companies research and develop multifunctional dust-free repair workshops, the application effect is good, the dust-free workshops are mainly used for disassembly and repair of GIS and other equipment, but transformer repair cannot be achieved, and no effective solution is provided at home to meet the requirements of transformer repair on the environment.
Disclosure of Invention
Aiming at the defects, the invention provides the portable dustless working chamber for the field maintenance of the transformer, which can meet the requirement of the field maintenance of the transformer on severe weather, can be butted with a manhole of the transformer, and can be transited into the transformer to be overhauled or bring transformer group accessories into the working chamber to be overhauled by maintainers through the working chamber.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable dust-free working chamber for field maintenance of a transformer comprises a frame, wherein the frame is of a frame structure consisting of flexible thin film hollow pipes, flexible side thin films are arranged on each side surface of the frame, a flexible top thin film is arranged on the top surface of the frame, and a flexible bottom thin film is arranged on the bottom surface of the frame, so that the frame, the side thin films, the top thin film and the bottom thin film form a closed space; an access opening is formed in at least one side film, a flexible access opening film is correspondingly arranged at the access opening, and the access opening film is temporarily connected with the side film so as to temporarily block the access opening; an access passage is arranged on one side film.
As an improvement of the above solution, the side films, the top film and the bottom film are detachably connected to the frame.
As an improvement of the above scheme, the detachable connection of the side surface film, the top surface film and the bottom surface film with the frame is in a manner of being adhered to each other through magic tapes or being linked to each other through waterproof zippers.
As an improvement of the above scheme, the entrance film and the side film are connected by means of hook and loop fasteners or by means of a waterproof zipper.
As an improvement of the scheme, a tightening rope is arranged at the outer end part of the maintenance channel and/or a magnet is arranged at the outer end face of the maintenance channel.
As an improvement of the scheme, the service passage is of a cylindrical structure made of a flexible film.
As an improvement of the above scheme, the side film provided with the access passage is divided into four equal parts according to a grid form of 'field', the access passage is arranged on one of the equal parts, and the side film provided with the access passage can rotate for a certain angle by taking the center of the side film as a circle center and is arranged on the frame; or the side film provided with the maintenance channel is divided into four equal parts according to the grid form of the Chinese character 'tian', and one maintenance channel is arranged on each equal part.
As an improvement of the above aspect, the side surface film, the top surface film, and the bottom surface film are transparent films.
As an improvement of the scheme, a heater, a moisture-removing device, a fresh air system and an overhauling power box are arranged in a closed space formed by the frame and the side surface film, the top surface film and the bottom surface film, and the heater, the moisture-removing device and the fresh air system are respectively and electrically connected with the overhauling power box.
The use method of the portable dust-free working chamber for field maintenance of the transformer comprises the following steps:
s1, spreading the frame, inflating the frame, erecting the frame, and forming a closed space between the frame and the side films, the top film and the bottom film to complete the construction of the working chamber;
s2, heating, dehumidifying and purifying the closed space formed between the side film, the top film and the frame;
s3, opening a manhole on the side surface of the transformer and accessing an overhaul channel after the environmental parameters in the working chamber meet the overhaul working requirements of the transformer;
and S4, after the maintenance is finished, detaching the maintenance channel from the manhole on the side surface of the transformer, and emptying the gas in the frame to fold the working chamber.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is foldable and unfoldable, is convenient to build beside the transformer oil, and has the advantages of portability, convenient storage, small occupied space and the like;
2. the invention has certain wind-proof, rain-proof and deterioration-resistant performances, can form a relatively closed space, and can be carried out under the condition that environmental parameters meet requirements when the transformer is overhauled, so as to meet the requirements of the transformer on the environment and achieve the aim of quick overhaul;
3. according to the invention, the environment of a closed space is optimized through a dehumidifier, a heater, an air supply system and the like, the environment of a working room is adjusted to realize and maintain the overhaul environment in an environment meeting the requirements, and the transformer is moisture-proof, wind-proof and dust-proof, so that the requirements of transformer field overhaul on severe weather can be met;
4. the invention can be butted with a manhole of the transformer, and maintainers can enter the transformer for maintenance or bring transformer bank accessories into a working chamber for maintenance through transition of the working chamber, so that the internal space is large, and the working requirements are met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic view of the structure of a preferred embodiment of the present invention from a viewing angle (one of the side films is not shown);
fig. 2 is a schematic view of the structure of another preferred embodiment of the present invention from another viewing angle (one of the side films is not shown).
Wherein the labels shown in the figures are: 1-a frame; 2-side film; 3-top film; 4-bottom film; 5-lighting lamp; 6-a heater; 7-a dehumidifier; 8-a fresh air system; 9-overhauling a power box; 10-service access.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "inside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships where products of the present invention are conventionally placed in use, and are used only for convenience in describing the present invention and for simplification of description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, a portable dust-free studio for field maintenance of transformers according to a preferred embodiment of the present invention mainly includes a frame 1, side films 2, a top film 3, a bottom film 4, and a maintenance channel 10.
The frame 1 is a frame structure composed of flexible film hollow pipes, high-strength films are adopted to manufacture the sealing hollow pipes which are mutually attached and communicated, and a hexahedral frame can be formed after inflation. Adopt flexible film hollow tube, can make flexible film hollow tube inflation and make whole frame 1 stand in order to form the frame structure of a hexahedron frame when aerifing in to the intraductal, and after the intraductal gas of frame 1 was discharged, flexible film hollow tube shriveled and can be folded, compressed to make whole frame 1 shared space very little, easily remove, save, place.
The frame 1 is provided on each side with a flexible side film 2 and on the top with a flexible top film 3 and on the bottom with a flexible bottom film 4. In the preferred embodiment, the frame 1 is expanded and erected to form a square frame structure, and thus has four side surfaces in the form of a square, front, rear, left and right, and a top surface and a bottom surface, and therefore, side surface films 2 are provided on the four side surfaces in the front, rear, left and right, a flexible top surface film 3 is provided on the top surface, and a flexible bottom surface film 4 is provided on the bottom surface. At this time, the frame 1 forms a closed space with the side surface film 2, the top surface film 3, and the bottom surface film 4, which is relatively closed and can be temporarily isolated from the outside. An entrance and an exit are formed in one of the side films 2, a flexible entrance and exit film is correspondingly arranged at the entrance and the exit, the entrance and exit film is temporarily connected with the side film 2 to temporarily block the entrance and the exit, when the entrance and the exit film are separated from the side film 2, the entrance and the exit can be formed, and people and some equipment can conveniently enter and exit through the entrance and the exit. The side surface film 2, the top surface film 3 and the bottom surface film 4 are made of high-strength films, have certain flexibility and can be folded and unfolded. In the preferred embodiment, the side films 2, the top film 3 and the bottom film 4 are transparent films, which facilitate inward viewing of the interior and outward viewing of the exterior environment.
An access channel 10 is arranged on one side film 2, and the side film 2 on which the access channel 10 is arranged is not the same side film 2 as the side film 2 on which the access film is arranged. The access way 10 is used for being temporarily connected with a manhole on the side surface of the transformer, when the access way is implemented, the access way 10 is sleeved on the manhole on the side surface of the transformer and is fixed, thereby the access way 10 and the manhole on the side surface of the transformer can be passed, the communication between the working chamber and the transformer of the application is realized, namely, the frame 1 and the side surface film 2 are realized, the communication between the closed space formed by the top surface film 3 and the bottom surface film 4 and the transformer is also realized, when the environmental parameters in the closed space formed by the frame 1 and the side surface film 2 and the top surface film 3 and the bottom surface film 4 meet the overhaul working requirements of the transformer, the communication between the relatively closed space and the transformer is realized, the maintenance of the transformer can be carried out under the condition that the environmental parameters meet the requirements, so as to meet the requirements of the transformer on the environment, and the purpose of quick maintenance is achieved.
In the preferred embodiment, the side films 2, top film 3 and bottom film 4 are removably attached to the frame 1. The side film 2, the top film 3 and the bottom film 4 can be temporarily separated from the frame 1 by a detachable connection mode, the side film 2, the top film 3 and the bottom film 4 can be detached firstly when the frame 1 is folded and stored, and the side film 2, the top film 3 and the bottom film 4 can be installed on the frame 1 after the frame 1 is inflated and erected. The side film 2, the top surface film 3 and the bottom surface film 4 are detachably connected with the frame 1 in a manner of mutually sticking through magic tapes, the edge of the frame 1 is provided with the magic tapes at the corresponding position, the edges of the side film 2, the top surface film 3 and the bottom surface film 4 are correspondingly provided with the magic tapes, and the side film 2, the top surface film 3 and the bottom surface film 4 are temporarily installed on the frame 1 in a manner of mutually sticking through the magic tapes. Of course, in other preferred embodiments, the temporary mounting of the side films 2, the top film 3 and the bottom film 4 on the frame 1 can be realized by the waterproof zippers which are embedded at the corresponding positions on the edges of the frame 1, and the waterproof zippers which are embedded on the edges of the side films 2, the top film 3 and the bottom film 4.
In a preferred embodiment, the covering surface of the top film 3 exceeds the top frame of the frame 1 to form an 'eave', that is, the vertical projection of the covering surface of the top film 3 is larger than that of the top frame of the frame 1, and the formed 'eave' structure can effectively prevent water leakage and the like caused by the detachable connection of the top film 3 and the frame 1. The bottom surface film 4 covers the underframe that the face surpassed frame 1, forms "ground mat", and the vertical projection of the face of covering of bottom surface film 4 also is greater than the underframe of frame 1, and the condition such as leaking that causes because of the dismantled connection of bottom surface film 4 and frame 1 can effectively be prevented to the "ground mat" structure of formation.
The inlet and outlet film is made of a high-strength film, has certain flexibility and can be folded and unfolded. The access film is a transparent film, so that the internal condition can be conveniently observed inwards and the external environment can be conveniently observed outwards. The access and exit film and the side film 2 are mutually pasted through the magic tape, the magic tape is arranged at the access and exit position of the side film 2, the magic tape is correspondingly arranged on the edge of the access and exit film, and the access and exit film is temporarily installed at the access and exit of the side film 2 through the mutual pasting mode of the magic tape. Of course, in other preferred embodiments, the temporary installation of the access film at the access of the side film 2 can also be realized by the way of linking the waterproof zippers, in which case the waterproof zippers are embedded at the access positions of the side film 2, and the waterproof zippers are correspondingly embedded at the access positions of the side film 2.
The access passage 10 is a cylindrical structure made of a flexible film, is specifically made of a high-strength film, and is a cylindrical transparent film structure. The outer end department of access way 10 is provided with the rope that tightens up, should tighten up the rope and can temporarily tighten up the outer end of access way 10 in order to keep the isolation effect temporarily, also can be when being connected with transformer side manhole, when the outer end cover of access way 10 established on transformer side manhole, can tighten up access way 10 on transformer side manhole through the rope that tightens up. Further, the outer end face of the maintenance channel 10 is provided with a magnet, the magnet surrounds a circle and is located on the outer end face of the maintenance channel 10, and the magnet can be magnetically attracted with the side face of the transformer, so that when the outer end portion of the maintenance channel 10 is sleeved on the manhole on the side face of the transformer, the maintenance channel 10 is fixed on the manhole on the side face of the transformer through the magnetic attraction effect of the magnet and the side face of the transformer.
Further, in some embodiments, the side film 2 provided with the access passage 10 is divided into four equal parts according to the grid form of "field", that is, the side film 2 in a square shape is divided into four equal parts according to the grid form of "field", the access passage 10 is installed on one of the equal parts, and the side film 2 provided with the access passage 10 can rotate by a certain angle with the center thereof as the center of the center and is installed on the frame 1. In the preferred embodiment, the side film 2 with the access channels 10 is divided into four equal parts according to the grid form of "tian", and each equal part is provided with one access channel 10, and at this time, one access channel 10 is selected to be connected with the transformer side manhole according to the transformer with different types and specifications and the position of the transformer side manhole.
A heater 6, a dehumidifier 7, a fresh air system 8 and an overhaul power supply box 9 are arranged in a closed space formed by the frame 1, the side surface film 2, the top surface film 3 and the bottom surface film 4, and the heater 6, the dehumidifier 7 and the fresh air system 8 are respectively electrically connected with the overhaul power supply box 9. The heater 6, the dehumidifier 7 and the fresh air system 8 form an air treatment system, and the maintenance power box 9 is a power supply system and is used for supplying power to the heater 6, the dehumidifier 7 and the fresh air system 8. The heater 6, the dehumidifier 7, the fresh air system 8 and the maintenance power box 9 are temporarily placed in a closed space formed by the frame 1 and the side surface film 2, the top surface film 3 and the bottom surface film 4 and can be taken out when not in use. The heater 6 is an electric heating device for heating the air inside the sealed space formed by the frame 1 and the side surface film 2, the top surface film 3, and the bottom surface film 4 to adjust the internal temperature of the sealed space. The dehumidifier 7 is a device capable of removing air moisture in the closed space to remove the air moisture in the closed space, so that the working is in the environment humidity meeting the maintenance requirement. The fresh air system 8 is an air purification device, can realize air purification in a closed space, and can filter and remove dust and harmful substances in the air to form a relatively dustless and clean air environment. In the preferred embodiment, the fresh air system 8 is in an internal circulation mode, only a cabinet type fresh air system is provided, the cabinet type fresh air system does not interact with the outside, only internal circulation is performed, and the cabinet type fresh air system is provided with an oxygen generation function to continuously supplement oxygen. In other preferred embodiments, the fresh air system 8 may also adopt an external circulation mode, in which the fresh air system can interact with the outside to suck the air outside the working chamber to filter and remove dust and harmful substances and then inject the air into the working chamber, in which the fresh air system 8 is provided with a pipeline, and corresponding interaction holes are formed in the side surface film 2, the top surface film 3 and the bottom surface film 4 so that the pipeline can pass through to interact with the outside. The bottom of the bottom surface film 4 can be hoisted with the illuminating lamp 5 after forming the working chamber frame, and the illuminating lamp 5 is electrically connected with the maintenance power box 9 to obtain electric energy for lightening so as to provide light for the working chamber under the condition of insufficient light.
The use method of the portable dust-free working chamber for field overhaul of the transformer in the preferred embodiment of the invention comprises the following steps:
s1, unfolding the frame 1, installing the side surface film 2, the top surface film 3 and the bottom surface film 4 at corresponding positions of the frame 1 through magic tapes, inflating the frame 1, and erecting the frame 1, wherein a closed space is formed among the side surface film 2, the top surface film 3, the bottom surface film 4 and the frame 1, so that the construction of a working room is completed;
s2, the heater 6, the dehumidifier 7, the fresh air system 8, the maintenance power box 9 and the like are carried into the working chamber through the access, and the heater 6, the dehumidifier 7 and the fresh air system 8 are used for heating, dehumidifying and purifying the closed space formed among the side film 2, the top film 3, the bottom film 4 and the frame 1;
s3, opening a manhole on the side surface of the transformer and accessing an overhaul channel 10 after the environmental parameters in the working chamber meet the overhaul working requirements of the transformer; at the moment, the transformer is communicated with the working chamber, and environmental parameters in the working chamber meet the maintenance work requirement of the transformer, so that maintenance personnel can enter the transformer for maintenance through the working chamber or bring transformer set accessories into the working chamber for maintenance;
s4, after the overhaul is finished, the overhaul channel 10 is detached from a manhole on the side face of the transformer, the heater 6, the humidity driving device 7, the fresh air system 8, the overhaul power supply box 9 and the like are moved out of the working chamber, air in the frame 1 is emptied, the side face film 2, the top face film 3 and the bottom face film 4 are detached, and the frame 1, the side face film 2, the top face film 3 and the bottom face film 4 are folded to realize the folding working chamber.
The portable dust-free working chamber for field maintenance of the transformer can meet the requirement of field maintenance of the transformer on severe weather by matching with a using method of the portable dust-free working chamber, can be butted with a manhole of the transformer, and can be used for the maintenance personnel to enter the transformer for internal maintenance or bring transformer group accessories into the working chamber for maintenance through the working chamber.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a portable dustless studio of transformer field overhaul, including frame (1), its characterized in that: the frame (1) is of a frame structure consisting of flexible thin film hollow pipes, and flexible side thin films (2) are arranged on each side surface of the frame (1), a flexible top thin film (3) is arranged on the top surface of the frame, and a flexible bottom thin film (4) is arranged on the bottom surface of the frame, so that the frame (1), the side thin films (2), the top thin film (3) and the bottom thin film (4) form a closed space; an entrance and an exit are formed in at least one side film (2), flexible entrance and exit films are correspondingly arranged at the entrance and the exit, and the entrance and the exit films are temporarily connected with the side films (2) so as to temporarily block the entrance and the exit; an access passage (10) is arranged on one side film (2).
2. The transformer field service portable dustless studio of claim 1, characterized in that: the side surface film (2), the top surface film (3) and the bottom surface film (4) are detachably connected with the frame (1).
3. The transformer field service portable dustless studio of claim 2, characterized in that: the side surface film (2), the top surface film (3) and the bottom surface film (4) are detachably connected with the frame (1) in a mode of mutually sticking by magic tapes or mutually linking by waterproof zippers.
4. The transformer field service portable dustless studio of claim 1, characterized in that: the entrance film and the side film (2) are mutually pasted through magic tapes or are mutually connected through a waterproof zipper.
5. The transformer field service portable dustless studio of claim 1, characterized in that: a tightening rope is arranged at the outer end part of the overhaul channel (10) and/or a magnet is arranged at the outer end face of the overhaul channel (10).
6. The transformer field service portable dustless studio of claim 5, characterized in that: the overhaul channel (10) is of a cylindrical structure made of a flexible film.
7. The transformer field service portable dustless studio of claim 2, characterized in that: the side surface film (2) provided with the overhaul channel (10) is divided into four equal parts according to a grid form of Chinese character 'tian', the overhaul channel (10) is arranged on one of the equal parts, and the side surface film (2) provided with the overhaul channel (10) can rotate for a certain angle by taking the center of the side surface film as the center of a circle and is arranged on the frame (1); or the side film (2) provided with the access passage (10) is divided into four equal parts according to the grid form of 'field' and each equal part is provided with one access passage (10).
8. The transformer field service portable dustless studio of claim 1, characterized in that: the side surface film (2), the top surface film (3) and the bottom surface film (4) are transparent films.
9. The transformer field service portable dustless studio of claim 1, characterized in that: a heater (6), a dehumidifier (7), a fresh air system (8) and an overhauling power box (9) are placed in a closed space formed by the frame (1) and the side surface film (2), the top surface film (3) and the bottom surface film (4), and the heater (6), the dehumidifier (7) and the fresh air system (8) are respectively electrically connected with the overhauling power box (9).
10. Use of a portable clean room for field service of transformers according to any of claims 1 to 9, characterized in that it comprises the following steps:
s1, unfolding the frame (1), inflating the frame (1), erecting the frame (1), forming a closed space between the frame (1) and the side surface film (2), the top surface film (3) and the bottom surface film (4), and completing the construction of a working chamber;
s2, heating, dehumidifying and purifying the closed space formed among the side film (2), the top film (3), the bottom film (4) and the frame (1);
s3, opening a manhole on the side surface of the transformer and accessing an overhaul channel (10) after the environmental parameters in the working chamber meet the overhaul working requirements of the transformer;
s4, after the overhaul is finished, the overhaul channel (10) is detached from the manhole on the side face of the transformer, and the gas in the frame (1) is discharged so as to fold the working chamber.
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| CN202111248156.8A CN114000764A (en) | 2021-10-26 | 2021-10-26 | Portable dust-free working chamber for transformer field maintenance and use method thereof |
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Cited By (1)
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Application publication date: 20220201 |