CN112951550A - Gas-insulated transformer and use method thereof - Google Patents
Gas-insulated transformer and use method thereof Download PDFInfo
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- CN112951550A CN112951550A CN202110130888.0A CN202110130888A CN112951550A CN 112951550 A CN112951550 A CN 112951550A CN 202110130888 A CN202110130888 A CN 202110130888A CN 112951550 A CN112951550 A CN 112951550A
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- protective
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Regulation Of General Use Transformers (AREA)
Abstract
The invention provides a gas insulated transformer and a using method thereof, the structure of the gas insulated transformer comprises a primary sleeve, a lead end, a secondary sleeve, a shielding frame, a gas tank protector and a support, the primary sleeve is embedded and arranged above the gas tank protector and is connected with the gas tank protector by a nut, the lower part of the lead end is fixedly connected with the upper part of the secondary sleeve, the lower part of the shielding frame is welded with the upper part of the gas tank protector, a grounding device is arranged, a shielding plate is rotated to enable a lower protective rod to move upwards to drive an electric connecting rod to move upwards, so that the upper protective frame drives a contact to leave the electric connecting contact, the upper protective frame, the electric connecting rod and the lower protective rod are retracted into an outer cover, then protective paint is sprayed on a protective shell of a protective shell, thereby effectively spraying the shell, preventing the protective shell from being reacted by oxygen and moisture in the air to cause other adverse reactions such as corrosion and the, so that a problem of poor contact occurs when grounding is performed.
Description
The invention relates to a divisional application of a gas insulated transformer, which is filed on 2019, 5, 29 and has the application number of CN 201910455998.7.
Technical Field
The invention relates to the technical field of transformers, in particular to a gas insulated transformer and a using method thereof.
Background
In order to guarantee the power supply quality and reduce the line loss, require that substation equipment is close to the user, gas-insulated transformer has slowly replaced current oil-immersed transformer, and the very extensive in the field that gas-insulated transformer is suitable for, for example: markets, underground railways, coal mines and other occasions with severe environment, high humidity and dusty wind and sand, but the prior art has the following defects:
when the gas insulated transformer operates in a coal mine, if the gas insulated transformer is accidentally impacted by coal ores, the shell of the gas insulated transformer is deformed, and meanwhile, the protective coating on the shell is knocked down, so that the shell is not protected by the coating and easily reacts with oxygen and moisture in the air, and is easily and slowly corroded by the coating, and the gas insulated transformer is more rapid to age.
Disclosure of the invention technical problem (1)
Aiming at the defects of the prior art, the invention provides a gas insulated transformer and a using method thereof, which solve the problems that when the gas insulated transformer runs in a coal mine, if the gas insulated transformer is accidentally impacted by coal ores, the shell of the gas insulated transformer deforms, and meanwhile, a protective coating on the shell is knocked down, so that the shell is easily reacted with oxygen and moisture in the air without being protected by the coating, and is easily corroded by the coating slowly, and the gas insulated transformer is aged more quickly.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a gas-insulated transformer and application method thereof, its structure includes primary sleeve pipe, lead wire end, secondary sleeve pipe, hides frame, gas tank protector, support, primary sleeve pipe embedding is installed in gas tank protector top and is adopted the nut to be connected, lead wire end below and secondary sleeve pipe top fixed connection, it welds mutually with gas tank protector top to hide frame below, secondary sleeve pipe lower extreme welds mutually with gas tank protector top, gas tank protector below and support top are casting integrated into one piece, gas tank protector includes protecting sheathing, buffer, earthing device, the buffer registrates at protecting sheathing middle part, the earthing device runs through in protecting sheathing bottom and inside and earthing device in the welding of bottom mutually.
Preferably, the buffer comprises an inner support mechanism, force release rods and a support mechanism, the support mechanism is welded on an outer ring of the inner support mechanism, the force release rods are in threaded connection with the outside of the support mechanism, the force release rods are provided with ninety rods, the force release rods are arranged on the outer ring of the support mechanism in a five-ring fourteen-row arrangement mode, and the distance between every two adjacent rings is equal.
Preferably, the inner support mechanism comprises a plurality of first heat dissipation holes, a support ring and two sliding rings, wherein the first heat dissipation holes are integrally cast and formed with the support ring, and the two sliding rings are respectively installed at the upper end and the lower end of the support ring and connected through electric welding.
Preferably, the supporting mechanism comprises a buffer spring, a second heat dissipation hole, a threaded hole and a supporting ring, the buffer spring is uniformly welded inside the supporting ring, the second heat dissipation hole and the supporting ring are integrally cast and formed, the threaded hole and the supporting ring are of an integrated structure, and the supporting ring is of a circular ring structure.
As preferred, the earthing device includes return spring, connects the electricity box, connects electricity frame, dustcoat, connect the electricity frame to weld mutually through return spring and dustcoat interior top, the embedding of dustcoat lower extreme is installed in connecing electricity box top, connect the electricity frame to run through in connecing electricity box middle part, the dustcoat is inside fretwork, the bottom is the ring column structure of fluting type.
Preferably, the electricity connection box comprises a threaded ring, an electricity connection contact, a connection column and a box body, the threaded ring and the box body are of an integrated structure, the electricity connection contact is embedded in the box body and is installed above the box body, the connection column is embedded in the box body and is installed above the box body, and the box body is of a hollow circular structure.
Preferably, the electricity connection frame comprises a contact, an upper protection frame, an electricity connection rod, a lower protection rod and a shielding plate, the contact is electrically connected with the electricity connection rod, the electricity connection rod is installed inside the upper protection frame, the electricity connection rod is embedded and installed above the lower protection rod, a threaded ring is arranged on the outer ring of the lower quarter of the upper protection frame, the outer ring of the lower protection rod is of a threaded structure, the shielding plate is of a disc structure, and the upper end of the shielding plate is fixedly connected with the lower end of the lower protection rod.
(III) advantageous effects
The invention provides a gas-insulated transformer and a using method thereof. The method has the following beneficial effects:
the invention is provided with the force release rod, and the force release rod can drive the support ring to move when being impacted by external coal ores, so that the support ring drives the support ring to rotate, the sliding ring rotates around the grooves of the upper and lower connecting frames of the protective shell, and the impact force impacting on the force release rod is decomposed, so that the impact force can be effectively reduced to the minimum, and the impact force is prevented from directly impacting on the protective shell.
The grounding device is provided with the grounding device, the lower protection rod moves upwards by rotating the shielding plate to drive the power connection rod to move upwards, the upper protection frame drives the contact to leave the power connection contact, the upper protection frame, the power connection rod and the lower protection rod are retracted into the outer cover, and then protective paint is sprayed on the shell of the protection shell, so that the shell can be effectively sprayed, the protection shell is prevented from being reacted by oxygen and moisture in the air to cause other adverse reactions such as corrosion and the like, and meanwhile, the problem of poor contact caused by paint spraying on the power connection rod during grounding can be effectively avoided.
Drawings
FIG. 1 is a schematic structural diagram of a gas-insulated transformer and a method for using the same according to the present invention;
FIG. 2 is a front view of the gas tank protector of the present invention;
FIG. 3 is a front view of a buffer according to the present invention;
FIG. 4 is a schematic top view of a bumper according to the present invention;
FIG. 5 is a front view of the inner support structure of the present invention;
FIG. 6 is a front view of the support mechanism of the present invention;
FIG. 7 is a perspective view of the stress relief bar according to the present invention;
FIG. 8 is a front view of the grounding device of the present invention;
FIG. 9 is a schematic perspective view of the electrical connection box according to the present invention;
fig. 10 is a schematic structural view of a front view of the power connection rack of the present invention.
In the figure: a primary sleeve-1, a lead terminal-2, a secondary sleeve-3, a shielding frame-4, a gas tank protector-5, a support-6, a protective shell-7, a buffer-8, a grounding device-9, an internal support mechanism-81, a force-releasing rod-82, a support mechanism-83, a first heat-radiating hole-S1, a support ring-S2, a sliding ring-S3, a buffer spring-E1, a second heat-radiating hole-E2, a threaded hole-E3, a support ring-E4, a return spring-91, an electric connection box-92, an electric connection frame-93, an outer cover-94, a threaded ring-921, an electric connection contact-922, a connection column-923, a box body-824, a contact-932, an electric connection rod-933, a lower protection rod-934, A shielding-935.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1 to 10, embodiments of the present invention provide a gas-insulated transformer and a method for using the same, the structure of the device comprises a primary sleeve 1, a lead terminal 2, a secondary sleeve 3, a shielding frame 4, an air box protector 5 and a support 6, the primary sleeve 1 is embedded and arranged above the air box protector 5 and is connected with the air box protector by a nut, the lower part of the lead end 2 is fixedly connected with the upper part of the secondary sleeve 3, the lower part of the shielding frame 4 is welded with the upper part of the gas tank protector 5, the lower end of the secondary sleeve 3 is welded with the upper part of the gas tank protector 5, the lower part of the air box protector 5 and the upper part of the support 6 are integrally cast, the air box protector 5 comprises a protective shell 7, a buffer 8 and an earthing device 9, the buffer 8 is sleeved in the middle of the protective shell 7, and the grounding device 9 penetrates through the bottom of the protective shell 7, and the inner part of the grounding device 9 is welded with the inner bottom of the grounding device 9.
The buffer 8 comprises an inner support mechanism 81, a pressure relief rod 82 and a support mechanism 83, wherein the support mechanism 83 is welded on an outer ring of the inner support mechanism 81, the pressure relief rod 82 is in external threaded connection with the support mechanism 83, the pressure relief rod 82 is totally provided with ninety, and is arranged on an outer ring of the support mechanism 83 in a five-ring fourteen-row arrangement mode, the distance between every two adjacent rings is equal, when the pressure relief rod 82 is impacted by external coal ore, the support mechanism 83 is driven to extrude and move inwards, meanwhile, the support mechanism 83 can drive the inner support mechanism 81 to rotate on the protective shell 7, the impact force is separated, and the impact force of the coal ore on the support mechanism 83 is reduced.
Wherein, inner support mechanism 81 includes first louvre S1, support ring S2, slip ring S3, first louvre S1 is equipped with a plurality of altogether, and with support ring S2 casting moulding as an organic whole, slip ring S3 is equipped with two altogether, and installs respectively in support ring S2 upper and lower both ends and be connected through the electric welding, support ring S2 will drive slip ring S3 under the effect of external force and rotate for inner support mechanism 81 can be more smooth and easy rotate, thereby can let out the stone coal mine impact more fast.
Wherein, supporting mechanism 83 includes buffer spring E1, second louvre E2, screw hole E3, support ring E4, buffer spring E1 evenly welds inside support ring E4, second louvre E2 and support ring E4 are integrative casting shaping, screw hole E3 and support ring E4 structure as an organic whole, support ring E4 is the ring structure, and when the transformer was in the operation, when producing a large amount of heats, produced heat will be distributed out through second louvre E2.
Wherein, the earthing device 9 includes return spring 91, connects electric box 92, connects electric frame 93, dustcoat 94, connect electric frame 93 to pass through return spring 91 and dustcoat 94 in the top weld mutually, dustcoat 94 lower extreme embedding is installed in connecing electric box 92 top, connect electric frame 93 to run through in connecing electric box 92 middle part, dustcoat 94 is inside fretwork, the bottom is the ring column structure of fluting type, when needs carry out spray coating to protective housing 7 surface, can connect electric frame 93 through the rotation and make and connect electric frame 93 to shrink into dustcoat 94 inside to can avoid connecting electric frame 93 to be sprayed, thereby lead to being connected with the electric wire when, contact failure's problem takes place.
Wherein, connect box 92 to include threaded ring 921, connect electrical contact 922, spliced pole 923, box body 824, threaded ring 921 is the integral structure with box body 824, connect the embedding of electrical contact 922 to install in box body 824 top, spliced pole 923 embedding is installed in box body 824 top, box body 824 is the circular ring shaped structure of fretwork, spliced pole 923 is used for being connected with the inside earth connection of transformer.
Wherein, connect electric rack 93 to include contact 931, go up protection frame 932, connect electric rod 933, guard bar 934, shielding plate 935 down, contact 931 with connect electric rod 933 electricity to be connected, connect electric rod 933 to install inside last protection frame 932, connect electric rod 933 embedding to install in guard bar 934 top down, last protection frame 932 lower quarter department outer ring is equipped with the screw ring, guard bar 934 outer ring is the helicitic texture down, shielding plate 935 is the disc structure, and top and guard bar 934 lower extreme fixed connection down, when being connected outside electric wire on connecting electric rod 933, rotating shielding plate 935 makes last protection frame 932 move down, lets contact 931 contact 922 with connecing electric contact to the circular telegram protects the transformer, avoids the transformer to take place the electric leakage.
The specific working process is as follows:
when the gas insulated transformer is installed in a coal mine plant, when the transformer is operated, the outside suddenly receives impact force of coal ore, the pressure release rod 82 drives the support ring E4 to move inwards when being impacted by the external coal ore, the buffer spring E1 is extruded to buffer the impact force, and simultaneously the support ring E4 is driven to move, so that the support ring E4 drives the support ring S2 to rotate, the sliding ring S3 rotates around the upper and lower connecting frame grooves of the protective shell 7, the impact force impacting on the pressure release rod 82 is separated, the impact force acting on the support ring S2 is reduced, when the impact force is too large, the protective coating on the outer surface of the protective shell 7 is damaged under the action of the impact force, the power supply is firstly cut off, the guide ring above the protective shell 7 is unscrewed, then the buffer 8 is taken out from the protective shell 7, then the lower protective rod 934 moves upwards under the action of the rotating shielding plate, the drive connects electric rod 933 to shift up for it drives contact 931 and leaves and connect electric contact 922 to go up protection frame 932, and make and go up protection frame 932, connect electric rod 933, lower protection rod 934 retracts in dustcoat 94, then in carrying out the spraying protective paint to protective housing 7 shell, after the spraying, on packing into protective housing 7 with buffer 8, then shielding plate 935 on rotatory earthing ware 9, make down protection rod 934 move down, when the screw ring that until last protection frame 932 lower extreme is fixed to screw ring 921, on connecting electric rod 933 with outside connecting wire, and first louvre S1 and second louvre E2 can discharge out the produced effectual heat energy of transformer, avoid inside temperature process, cause the burning loss of internals.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A gas-insulated transformer, characterized by: the structure of the device comprises a primary sleeve (1), a lead end (2), a secondary sleeve (3), a shielding frame (4), a gas box protector (5) and a support (6), wherein the primary sleeve (1) is embedded and installed above the gas box protector (5) and is connected with a nut, the lower part of the lead end (2) is fixedly connected with the upper part of the secondary sleeve (3), the lower part of the shielding frame (4) is welded with the upper part of the gas box protector (5), the lower end of the secondary sleeve (3) is welded with the upper part of the gas box protector (5), and the lower part of the gas box protector (5) and the upper part of the support (6) are integrally cast and molded;
gas tank protector (5) are including protecting sheathing (7), buffer (8), earthing device (9), buffer (8) registrate at protecting sheathing (7) middle part, earthing device (9) run through in protecting sheathing (7) bottom and inside and earthing device (9) interior bottom weld mutually, buffer (8) include inner support mechanism (81), let out power pole (82), supporting mechanism (83) weld in inner support mechanism (81) outer loop, let out power pole (82) and supporting mechanism (83) outside threaded connection, let out power pole (82) and installing in supporting mechanism (83) outer loop.
2. A gas-insulated transformer according to claim 1, characterized in that: the inner support mechanism (81) comprises first heat dissipation holes (S1), a support ring (S2) and a sliding ring (S3), wherein the first heat dissipation holes (S1) and the support ring (S2) are integrally cast and formed, and the sliding ring (S3) is installed at two ends of the support ring (S2).
3. A gas-insulated transformer and method of using same, as claimed in any one of claims 1-2, characterized in that:
when the gas insulated transformer is installed in a coal mine plant, when the transformer is operated, the outside of the transformer is suddenly impacted by coal ore, the force release rod (82) drives the support ring (E4) to move inwards when being impacted by the external coal ore, the buffer spring (E1) is extruded to buffer the impact force, and simultaneously the support ring (E4) is driven to move, so that the support ring (E4) drives the support ring (S2) to rotate, the sliding ring (S3) rotates around the upper and lower connecting frame grooves of the protective shell (7), and the impact force impacting on the force release rod (82) is separated;
the impact force acting on the bracket ring (S2) is reduced, when the impact force is too large, the power supply is disconnected firstly when the protective coating on the outer surface of the protective shell (7) is damaged under the action of the impact force, the guide ring above the protective shell (7) is unscrewed, then the buffer (8) is taken out of the protective shell (7), then the lower protective rod (934) is moved upwards by rotating the shielding plate (935), the power connection rod (933) is driven to move upwards, the upper protective frame (932) drives the contact (931) to leave the power connection contact (922), the upper protective frame (932), the power connection rod (933) and the lower protective rod (934) are retracted into the outer cover (94), and then protective paint is sprayed on the shell of the protective shell (7);
after the spraying, on putting into protective housing (7) buffer (8), then shielding plate (935) on rotatory earthing ware (9) for lower protection pole (934) move down, when fixed on screw ring (921) up to the screw ring of last protection frame (932) lower extreme, on receiving electric rod (933) with the electric line of connecting of outside, and first louvre (S1) and second louvre (E2) can come out the produced heat energy of transformer is effectual, avoid inside temperature process, cause the burning loss of internals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110130888.0A CN112951550A (en) | 2019-05-29 | 2019-05-29 | Gas-insulated transformer and use method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110130888.0A CN112951550A (en) | 2019-05-29 | 2019-05-29 | Gas-insulated transformer and use method thereof |
| CN201910455998.7A CN110349727B (en) | 2019-05-29 | 2019-05-29 | Gas-insulated transformer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910455998.7A Division CN110349727B (en) | 2019-05-29 | 2019-05-29 | Gas-insulated transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112951550A true CN112951550A (en) | 2021-06-11 |
Family
ID=68174375
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110130888.0A Withdrawn CN112951550A (en) | 2019-05-29 | 2019-05-29 | Gas-insulated transformer and use method thereof |
| CN201910455998.7A Active CN110349727B (en) | 2019-05-29 | 2019-05-29 | Gas-insulated transformer |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910455998.7A Active CN110349727B (en) | 2019-05-29 | 2019-05-29 | Gas-insulated transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112951550A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838477A (en) * | 2019-11-19 | 2021-05-25 | 黄东梅 | Power equipment installation rack and use method |
| CN114121415A (en) * | 2021-12-01 | 2022-03-01 | 句容市江电电器机械有限公司 | Dry-type transformer shell with high strength and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2356988C3 (en) * | 1973-11-15 | 1981-10-22 | Friedrich Dr.-Ing. e.h. 8600 Bamberg Raupach | Cast resin-insulated transducers, in particular voltage converters |
| JP6417189B2 (en) * | 2014-11-06 | 2018-10-31 | 株式会社日立製作所 | Static induction machine |
| CN107424799B (en) * | 2017-08-22 | 2023-06-30 | 常州东芝变压器有限公司 | Gas-insulated transformer |
| CN208589321U (en) * | 2018-07-25 | 2019-03-08 | 深圳市好喜来电子有限公司 | A kind of domestic combined transformer |
-
2019
- 2019-05-29 CN CN202110130888.0A patent/CN112951550A/en not_active Withdrawn
- 2019-05-29 CN CN201910455998.7A patent/CN110349727B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110349727A (en) | 2019-10-18 |
| CN110349727B (en) | 2021-04-16 |
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Application publication date: 20210611 |
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