CN119480385A - A double-tap anti-seismic transformer bushing - Google Patents
A double-tap anti-seismic transformer bushing Download PDFInfo
- Publication number
- CN119480385A CN119480385A CN202411872134.2A CN202411872134A CN119480385A CN 119480385 A CN119480385 A CN 119480385A CN 202411872134 A CN202411872134 A CN 202411872134A CN 119480385 A CN119480385 A CN 119480385A
- Authority
- CN
- China
- Prior art keywords
- insulating sleeve
- tap
- sleeve
- double
- conservator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to a double-tap anti-vibration transformer bushing which comprises a conservator, an upper insulating sleeve, a capacitor core, a connecting sleeve, a lower insulating sleeve and an elastic component, wherein the conservator, the upper insulating sleeve, the connecting sleeve and the lower insulating sleeve are sequentially and hermetically connected, a capacitor polar plate at the outermost layer of a capacitor screen of the capacitor core is a grounding end screen, a first end of a current carrying pipe of the capacitor core extends out from one end of the conservator far away from the upper insulating sleeve, a second end extends out from one end of the lower insulating sleeve far away from the connecting sleeve, the connecting sleeve is provided with a first tap electrically connected with the grounding end screen and a second tap electrically connected with another capacitor polar plate except the grounding end screen, and the elastic component is positioned in the conservator and arranged between the current carrying pipe and the conservator. The double-tap anti-vibration transformer bushing can be connected with the on-line monitoring equipment while being grounded, so that the problems of damage to the transformer bushing or transformer faults caused by abnormal conditions such as poor grounding can be avoided, and the double-tap anti-vibration transformer bushing has high anti-vibration strength.
Description
Technical Field
The invention relates to the technical field of power electrical equipment, in particular to a double-tap anti-seismic transformer sleeve.
Background
The transformer bushing is used as an important component of transformer equipment, and the fault of the transformer bushing has become a main cause of the faults of transformer equipment and power supply interruption. The anti-seismic performance of the transformer bushing is improved, and the bushing insulation performance can be monitored on line, so that abnormal operation conditions can be reduced and prevented.
At present, most transformer bushings have only one test tap, and after the on-line monitoring equipment is installed, the faults such as poor grounding and the like often occur to cause the damage of the transformer bushing or the fault of the transformer.
Disclosure of Invention
The invention aims to provide a double-tap anti-seismic transformer bushing so as to improve the operation reliability of the double-tap anti-seismic transformer bushing after being installed on-line monitoring equipment.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides a double-tap antidetonation transformer sleeve pipe, includes the conservator, goes up insulating sleeve, electric capacity core, connecting sleeve, insulating sleeve and elastic component down, the conservator go up insulating sleeve connecting sleeve and insulating sleeve sealing connection in proper order down, the electric capacity core include the carrier pipe and wrap up in multilayer insulating layer and multilayer electric capacity screen outside the carrier pipe, the electric capacity screen comprises a plurality of layers of different length and coaxial electric capacity polar plates, electric capacity polar plate with insulating layer winding interval in turn sets up, the electric capacity screen outermost electric capacity polar plate is the ground terminal screen, the first end of carrier pipe is followed the conservator is kept away from one end of last insulating sleeve stretches out, the second end of carrier pipe is followed down insulating sleeve is kept away from connecting sleeve's one end, just the carrier pipe with equal sealing fit between the conservator and the insulating sleeve down, the connecting sleeve is provided with first tap and second tap, first tap with ground terminal screen electric connection, the second tap with the ground terminal screen is located in another electric capacity is kept away from the carrier pipe has another electric capacity terminal sleeve setting up the electric capacity is kept down in between the insulating sleeve.
In one embodiment of the application, the elastic member comprises a compression spring and a mounting seat, the mounting seat is arranged on the part of the current carrying pipe positioned in the conservator, one end of the compression spring is mounted on the mounting seat, and the other end of the compression spring is arranged on the inner end face of one end, connected with the upper insulating sleeve, of the conservator.
In one embodiment of the present application, the elastic member further includes a guide rod, one end of the guide rod is fixedly disposed on an inner end surface of one end of the upper insulating sleeve connected to the conservator, the other end of the guide rod is in sliding fit with the mounting seat, and the compression spring is sleeved on the guide rod.
In one embodiment of the present application, the second tap is electrically connected to the capacitor plate of the third layer from outside to inside.
In one embodiment of the application, the upper insulating sleeve is connected with the conservator through a first glue flange structure, and the upper insulating sleeve is connected with the connecting sleeve through a second glue flange structure.
In one embodiment of the application, the second end of the current-carrying tube is connected with the lower insulating sleeve in a sealing fit manner through a base, the base is connected with the second end of the current-carrying tube in a threaded manner, a first sealing ring is arranged between the base and the end face of the lower insulating sleeve, which is far away from the connecting sleeve, and the base is screwed relative to the current-carrying tube until the first sealing ring is pressed against the end face of the lower insulating sleeve, which is far away from the connecting sleeve.
In one embodiment of the application, the second end of the current carrying tube is threaded through the base and is connected to a lower terminal, which is screwed relative to the current carrying tube to compress the second sealing ring against the base.
In one embodiment of the application, the lower terminal housing is provided with a pressure equalizing ball.
In one embodiment of the application, the first end of the current-carrying pipe is connected with the upper wiring terminal through an end seat, the end seat is covered outside the first end of the current-carrying pipe, the end seat is connected with one end of the oil conservator, which is far away from the upper insulating sleeve, and a third sealing ring which is arranged around the current-carrying pipe is arranged between the end seat and the oil conservator.
In one embodiment of the present application, a fourth sealing ring is disposed between the end seat and the circumferential pipe wall of the current carrying pipe.
According to the technical scheme, the double-tap anti-vibration transformer sleeve comprises a conservator, an upper insulating sleeve, a capacitor core, a connecting sleeve, a lower insulating sleeve and an elastic component, wherein the conservator, the upper insulating sleeve, the connecting sleeve and the lower insulating sleeve are sequentially connected in a sealing mode, the capacitor core comprises a current carrying pipe, a plurality of layers of insulating layers and a plurality of layers of capacitor plates which are wrapped outside the current carrying pipe, the capacitor plates consist of a plurality of layers of capacitor plates with different lengths and are coaxial, the capacitor plates and the insulating layers are alternately wound at intervals, the capacitor plates on the outermost layer of the capacitor plates are grounded, a first end of the current carrying pipe extends from one end of the conservator, which is far away from the upper insulating sleeve, a second end of the current carrying pipe extends from one end of the lower insulating sleeve, which is far away from the connecting sleeve, the current carrying pipe is in sealing fit with the conservator and the lower insulating sleeve, the connecting sleeve is provided with a first tap and a second tap, the first tap is electrically connected with the grounded end plate, the second tap is electrically connected with another capacitor plate except the grounded end, and the elastic component is arranged in the oil bearing sleeve, so that the direction of the oil carrying pipe and the oil carrying sleeve is pressed down, and the oil is pressed against the upper insulating sleeve, and the second end of the insulating sleeve is arranged.
The first tap and the second tap are arranged on the connecting sleeve of the double-tap anti-seismic transformer sleeve, the first tap is electrically connected with the grounding end screen, the double-tap anti-seismic transformer sleeve is always grounded, the second tap is electrically connected with the other capacitor pole plate except the grounding end screen, the double-tap anti-seismic transformer sleeve can be grounded and simultaneously connected with the on-line monitoring equipment, so that the problem that the transformer sleeve is damaged or the transformer fails due to the abnormality such as poor grounding after the on-line monitoring equipment is installed is solved, all parts of the sleeve can be tensioned by means of the elasticity of the elastic component, the sealing of the transformer sleeve is guaranteed to be good under the condition of preset earthquake intensity, and the anti-seismic strength of the double-tap anti-seismic transformer sleeve is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a double-tap anti-seismic transformer bushing according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a connection sleeve of a dual-tap anti-seismic transformer bushing according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along the direction A in FIG. 1;
FIG. 4 is an enlarged schematic view of a portion of FIG. 1 at B;
FIG. 5 is an enlarged schematic view of a portion of FIG. 1 at C;
Fig. 6 is a schematic structural diagram of an upper insulating sleeve of a double-tap anti-seismic transformer bushing according to an embodiment of the present invention.
In the figure:
1 is a conservator; 2 is an upper insulating sleeve; the high-voltage transformer comprises a insulating sleeve body 201, a first adhesive flange plate 202, a second adhesive flange plate 203, a capacitor core 3, a current carrying tube 301, a capacitor screen 302, a connecting sleeve 4, a lower insulating sleeve 5, an upper wiring terminal 6, a lower wiring terminal 7, an elastic component 8, a compression spring 801, a mounting seat 802, a guide rod 803, a voltage equalizing ball 9, a first tap 10, a second tap 11, a base 12 and an end seat 13.
Detailed Description
The core of the invention is to provide the double-tap anti-seismic transformer bushing, and the structural design of the double-tap anti-seismic transformer bushing can improve the operation reliability of the double-tap anti-seismic transformer bushing after the double-tap anti-seismic transformer bushing is installed on-line monitoring equipment.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, fig. 1 is a schematic half-sectional view of a dual-tap anti-seismic transformer bushing according to an embodiment of the invention, fig. 2 is a schematic structural view of a connection sleeve of the dual-tap anti-seismic transformer bushing according to an embodiment of the invention, and fig. 3 is a cross-sectional view of a in fig. 1.
The embodiment of the application discloses a double-tap anti-vibration transformer bushing which is used for being arranged on a transformer (not shown in the figure), in particular to be fixed on a shell of the transformer, one end of the double-tap anti-vibration transformer bushing extends out of the transformer, the other end of the double-tap anti-vibration transformer bushing extends into the transformer, for guiding the current in the transformer to the external electrical conductor such as the cable or the like or to the transformer, in the present application, as shown in fig. 1 to 3, the double-tap anti-vibration transformer bushing comprises a conservator 1, an upper insulating sleeve 2, a capacitive core 3, a connecting sleeve 4, a lower insulating sleeve 5 and an elastic member 8.
The oil conservator 1, the upper insulating sleeve 2, the connecting sleeve 4 and the lower insulating sleeve 5 are sequentially connected in a sealing mode, the oil conservator 1 is used for storing insulating oil, when the volume of the insulating oil in the upper insulating sleeve 2 expands or contracts along with the temperature and the running condition, the oil conservator 1 can play a role in adjusting the oil quantity, namely, when the volume of the insulating oil in the upper insulating sleeve 2 expands, the insulating oil in the outer insulating tube upwards enters the oil conservator 1, and when the volume of the insulating oil in the upper insulating sleeve 2 contracts, the insulating oil in the oil conservator 1 flows to the outer insulating tube to play a role in supplementing the oil.
The upper insulating sleeve 2 and the lower insulating sleeve 5 are hollow structures, and in the application, the upper insulating sleeve 2 and the lower insulating sleeve 5 are made of ceramic or composite materials.
The capacitor core 3 is arranged in the oil conservator 1, the upper insulating sleeve 2, the connecting sleeve 4 and the lower insulating sleeve 5 in a penetrating manner, the capacitor core 3 comprises a current carrying tube 301, a plurality of insulating layers and a plurality of capacitor screens 302, the insulating layers are wrapped outside the current carrying tube 301, the current carrying tube 301 is used for transmitting current between external conductors such as a transformer and a cable, namely carrying current, the current carrying tube 301 is hollow, the capacitor screens 302 are composed of a plurality of layers of capacitor plates with different lengths and coaxial, the capacitor plates and the insulating layers are alternately wound at intervals, the capacitor plates on the outermost layer of the capacitor screens 302 are grounded end screens, the first end of the current carrying tube 301 extends from one end of the oil conservator 1, far away from the upper insulating sleeve 2, the second end of the current carrying tube 301 extends from one end of the lower insulating sleeve 5, far away from the connecting sleeve 4, and the current carrying tube 3 is in sealing fit with the oil conservator 1 and the lower insulating sleeve 5.
The connecting sleeve 4 is provided with a first tap 10 and a second tap 11, the first tap 10 is electrically connected with the ground terminal, and the second tap 11 is electrically connected with another capacitor plate except the ground terminal. The connecting sleeve 4 is provided with two tap fixing seats, tap lead holes are respectively formed in the ground end screen and the other capacitor pole plate, the two tap lead holes are respectively electrically connected with the two tap fixing seats, and the two tap fixing seats are respectively provided with a first tap 10 and a second tap 1.
An elastic member 8 is located in the conservator 1 and is disposed between the carrier tube 301 and the conservator 1 such that the second end of the carrier tube 301 has a tendency to move toward the conservator 1, compressing the conservator 1, the upper insulator sleeve 2, the capacitor core 3, the connector sleeve 4 and the lower insulator sleeve 5, the elastic member 8 including but not limited to leaf springs, disc springs, compression springs.
Compared with the prior art, the connecting sleeve 4 of the double-tap anti-vibration transformer sleeve provided by the embodiment of the invention is provided with the first tap 10 and the second tap 11, wherein the first tap 10 is electrically connected with the grounding end screen, so that the double-tap anti-vibration transformer sleeve is always grounded, the second tap 11 is electrically connected with the other capacitor pole plate except the grounding end screen, and the double-tap anti-vibration transformer sleeve can be connected with the on-line monitoring equipment while being grounded, thereby ensuring that the problem that the transformer sleeve is damaged or the transformer fails due to the abnormality such as poor grounding after the on-line monitoring equipment is installed, and the parts of the sleeve can be tensioned by virtue of the elasticity of the elastic member 8, ensuring that the sealing of the transformer sleeve is intact under the condition of preset earthquake intensity, improving the anti-vibration strength of the double-tap anti-vibration transformer sleeve, and reducing various abnormal conditions such as breakage, cracking, sealing failure and the like of the insulating sleeve caused by earthquake.
In order to facilitate installation of the elastic member 8, in one embodiment of the present application, as shown in fig. 1 and 5, the elastic member 8 includes a compression spring 801 and a mounting seat 802, the mounting seat 802 is disposed on a portion of the carrier pipe 301 located in the oil conservator 1, a plurality of compression springs 801 are uniformly distributed circumferentially around the carrier pipe 301, and one end of the compression spring 801 is mounted on the mounting seat 802, and the other end is disposed on an inner end surface of an end of the oil conservator 1 connected to the upper insulation sleeve 2.
Further optimizing the above technical solution, in one embodiment of the present application, as shown in fig. 5, the elastic member 8 further includes a guide rod 803, one end of the guide rod 803 is fixedly disposed on an inner end surface of one end of the upper insulation sleeve 2 connected to the wick 1, the other end of the guide rod 803 is slidably matched with the mounting seat 802, the compression spring 801 is sleeved on the guide rod 803, and the guide rod 803 can guide and limit the reciprocating movement of the compression spring 801 and the mounting seat 802.
Further optimizing the above technical solution, in one embodiment of the present application, the second tap 11 is electrically connected to the third layer of capacitor plate from outside to inside, that is, a tap lead hole is provided on the third layer of capacitor plate from outside to inside.
In order to further improve the shock resistance of the double-tap shock-resistant transformer bushing, in an embodiment of the present application, the upper insulating sleeve 2 is connected with the oil conservator 1 through a first glue-binding flange structure, the upper insulating sleeve 2 is connected with the connecting sleeve 4 through a second glue-binding flange structure, as shown in fig. 1 and 6, in this case, the upper insulating sleeve 2 includes an insulating sleeve 201, a first glue-binding flange 202 and a second glue-binding flange 203 respectively arranged at two ends of the insulating sleeve 201, the oil conservator 1 is provided with a first flange structure corresponding to the first glue-binding flange 202, the connecting sleeve 4 is provided with a second flange structure corresponding to the second glue-binding flange 203, the first glue-binding flange 202 is mechanically connected with the first flange structure and the second glue-binding flange 203 is mechanically connected with the second flange structure through bolts, the glue-binding ratio of the glue-binding flange structure is large, the mechanical strength is high, and the shock resistance of the double-tap shock-resistant transformer bushing can be further improved.
In order to realize the sealing fit connection between the second end of the current-carrying tube 301 and the lower insulating sleeve 5, in one embodiment of the present application, as shown in fig. 4, the second end of the current-carrying tube 301 is connected with the lower insulating sleeve 5 in a sealing fit manner through the base 12, the base 12 is connected with the second end of the current-carrying tube 301 in a threaded manner, a first sealing ring is arranged between the base 12 and the end surface of the lower insulating sleeve 5 far away from the connecting sleeve 4, the base 12 is screwed to the current-carrying tube 301 relative to the current-carrying tube 301, so that the threaded fit structure between the base 12 and the current-carrying tube 301 can realize the sealing between the base 12 and the lower insulating sleeve 5, and the first sealing ring between the base 12 and the end surface of the lower insulating sleeve 5 far away from the connecting sleeve 4 can realize the sealing between the base 12 and the lower insulating sleeve 5, thereby sealing the gap formed by stretching the current-carrying tube 301 out of the lower insulating sleeve 5.
Further optimizing the above solution, in one embodiment of the present application, the second end of the current-carrying tube 301 is threaded through the base 12 to the lower terminal 7, and the lower terminal 7 is screwed to the current-carrying tube 301 to compress the second sealing ring against the base 12.
As shown in fig. 1 and 4, the outer cover of the lower terminal 7 is provided with a voltage equalizing ball 9, and the voltage equalizing ball 9 can optimize electric field distribution and reduce the occurrence of local high voltage areas through the specific shape and material characteristics thereof, thereby protecting equipment from damage, reducing the risk of tip discharge, enhancing the insulation strength of the equipment and preventing insulation breakdown accidents caused by uneven voltage distribution.
As shown in fig. 1 and 5, in one embodiment of the present application, a first end of a current carrying tube 301 is connected to an upper connection terminal 6 through an end seat 13, the end seat 13 is covered outside the first end of the current carrying tube 301, the end seat 13 is connected to an end of a conservator 1 far away from an upper insulation sleeve 2, a third sealing ring is disposed between the end seat 13 and the conservator 1 and surrounding the current carrying tube 301, the third sealing ring can seal a gap between the end seat 13 and the conservator 1, and form an annular seal around the current carrying tube 301, so as to avoid leakage risk between the end seat 13 and the conservator 1.
Further optimizing the above technical solution, in one embodiment of the present application, as shown in fig. 5, a fourth sealing ring is disposed between the end seat and the circumferential pipe wall of the carrier pipe, so as to further improve the sealing performance and stop the leakage risk.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the invention. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (10)
1. The utility model provides a double-tap anti-seismic transformer bushing, its characterized in that includes conservator (1), goes up insulating sleeve (2), electric capacity core (3), connecting sleeve (4), lower insulating sleeve (5) and elastic component (8), conservator (1), go up insulating sleeve (2) connecting sleeve (4) and lower insulating sleeve (5) sealing connection in proper order, electric capacity core (3) include carrier pipe (301) and parcel in multilayer insulating layer and multilayer electric capacity screen (302) outside carrier pipe (301), electric capacity screen (302) are by a plurality of layers of different length and coaxial electric capacity polar plates are constituteed, electric capacity polar plate with the insulating layer is alternately twined the interval setting, electric capacity polar plate of electric capacity screen (302) outermost be ground terminal screen, the first end of carrier pipe (301) is followed conservator (1) is kept away from the one end of last insulating sleeve (2), the second end of carrier pipe (301) is followed lower insulating sleeve (5) is kept away from connecting sleeve (4) and is connected with one end (6) and is connected with electric capacity terminal (6) in the same way as connecting sleeve (4) is connected with ground terminal (6), the second tap (7) is electrically connected with another capacitor plate except the ground terminal screen, the elastic component (8) is located in the oil conservator (1) and arranged between the current carrying tube (301) and the oil conservator (1), so that the second end of the current carrying tube (301) has a trend of moving towards the direction of the oil conservator (1), and the oil conservator (1), the upper insulating sleeve (2), the capacitor core (3), the connecting sleeve (4) and the lower insulating sleeve (5) are pressed tightly.
2. The double-tap anti-seismic transformer bushing according to claim 1, wherein the elastic member (8) comprises a compression spring (801) and a mounting seat (802), the mounting seat (802) is arranged on the part of the current carrying tube (301) located in the oil conservator (1), one end of the compression spring is mounted on the mounting seat (802), and the other end of the compression spring is arranged on the inner end face of one end, connected with the upper insulating sleeve (2), of the oil conservator (1).
3. The double-tap anti-seismic transformer bushing according to claim 2, wherein the elastic member (8) further comprises a guide rod (803), one end of the guide rod (803) is fixedly arranged on the inner end surface of one end of the conservator (1) connected with the upper insulating sleeve (2), the other end of the guide rod (803) is in sliding fit with the mounting seat (802), and the compression spring (801) is sleeved on the guide rod (803).
4. A double tap anti-vibration transformer bushing according to any of claims 1-3, characterised in that the second tap (7) is electrically connected to the capacitor plate of the third layer from outside to inside.
5. A double-tap anti-seismic transformer bushing according to any one of claims 1-3, wherein the upper insulating sleeve (2) is connected with the conservator (1) by a first glue flange structure, and the upper insulating sleeve (2) is connected with the connecting sleeve (4) by a second glue flange structure.
6. A double-tap anti-vibration transformer bushing according to any one of claims 1-3, wherein the second end of the current-carrying tube (301) is connected with the lower insulating sleeve (5) in a sealing fit manner through a base (12), the base (12) is in threaded connection with the second end of the current-carrying tube (301), a first sealing ring is arranged between the base (12) and an end face of the lower insulating sleeve (5) away from the connecting sleeve (4), and the base (12) is screwed relative to the current-carrying tube (301) to tightly press the first sealing ring against an end face of the lower insulating sleeve (5) away from the connecting sleeve (4).
7. The double-tap anti-vibration transformer bushing according to claim 6, wherein the second end of the current-carrying tube (301) is threaded through the base (12) with a lower terminal (7), the lower terminal (7) being screwed relative to the current-carrying tube (301) to compress the second sealing ring against the base (12).
8. Double-tap anti-seismic transformer bushing according to claim 7, characterized in that the lower terminal (7) housing is provided with a pressure equalizing ball (9).
9. A double-tap anti-seismic transformer bushing according to any one of claims 1-3, characterized in that the first end of the current-carrying tube (301) is connected to the upper connection terminal (6) by means of an end seat (13), the end seat (13) is covered outside the first end of the current-carrying tube (301), the end seat (13) is connected to the end of the oil conservator (1) remote from the upper insulation sleeve (2), and a third sealing ring surrounding the current-carrying tube (301) is arranged between the end seat (13) and the oil conservator (1).
10. Double-tap anti-shock transformer bushing according to claim 9, characterized in that a fourth sealing ring is arranged between the end seat (13) and the circumferential wall of the current carrying tube (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411872134.2A CN119480385B (en) | 2024-12-18 | 2024-12-18 | A double-tap seismic transformer bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411872134.2A CN119480385B (en) | 2024-12-18 | 2024-12-18 | A double-tap seismic transformer bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119480385A true CN119480385A (en) | 2025-02-18 |
| CN119480385B CN119480385B (en) | 2025-10-28 |
Family
ID=94566354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411872134.2A Active CN119480385B (en) | 2024-12-18 | 2024-12-18 | A double-tap seismic transformer bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119480385B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202394690U (en) * | 2011-11-22 | 2012-08-22 | 江苏精科智能电气股份有限公司 | Vertical type oiled paper insulation current transformer |
| CN202940110U (en) * | 2012-10-29 | 2013-05-15 | 姚文秋 | Multi-terminal coil out casing pipe of magnetic reactor |
| JP2018160576A (en) * | 2017-03-23 | 2018-10-11 | 日本碍子株式会社 | Gas bushing for transformer |
| CN109494028A (en) * | 2018-12-05 | 2019-03-19 | 西安西电高压套管有限公司 | Single guide-tube structure oilpaper casing |
| CN210865857U (en) * | 2019-11-18 | 2020-06-26 | 广西电网有限责任公司电力科学研究院 | Sleeve pipe end screen earthing device |
| CN219179534U (en) * | 2022-12-07 | 2023-06-13 | 国网吉林省电力有限公司白城供电公司 | Passive digital sleeve |
| CN118914719A (en) * | 2024-08-13 | 2024-11-08 | 国电南瑞科技股份有限公司 | Transformer bushing end screen measurement structure |
-
2024
- 2024-12-18 CN CN202411872134.2A patent/CN119480385B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202394690U (en) * | 2011-11-22 | 2012-08-22 | 江苏精科智能电气股份有限公司 | Vertical type oiled paper insulation current transformer |
| CN202940110U (en) * | 2012-10-29 | 2013-05-15 | 姚文秋 | Multi-terminal coil out casing pipe of magnetic reactor |
| JP2018160576A (en) * | 2017-03-23 | 2018-10-11 | 日本碍子株式会社 | Gas bushing for transformer |
| CN109494028A (en) * | 2018-12-05 | 2019-03-19 | 西安西电高压套管有限公司 | Single guide-tube structure oilpaper casing |
| CN210865857U (en) * | 2019-11-18 | 2020-06-26 | 广西电网有限责任公司电力科学研究院 | Sleeve pipe end screen earthing device |
| CN219179534U (en) * | 2022-12-07 | 2023-06-13 | 国网吉林省电力有限公司白城供电公司 | Passive digital sleeve |
| CN118914719A (en) * | 2024-08-13 | 2024-11-08 | 国电南瑞科技股份有限公司 | Transformer bushing end screen measurement structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119480385B (en) | 2025-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4467387A (en) | Combination strut insulator and lightning arrester | |
| CN111768958B (en) | Transformer bushing | |
| CN101710655B (en) | On-line monitoring grounding wire lead-out structure of high-voltage sleeve | |
| CN105469934A (en) | Tap grounding apparatus and transformer bushing with same | |
| WO2010061399A1 (en) | A current transformer | |
| WO2017148159A1 (en) | Large-capacitance insulation core body, high-voltage electrical apparatus and multi-functional high-voltage bushing | |
| JP2009534787A (en) | Elongated member and use thereof | |
| CN114050532A (en) | 800kV flexible direct-current wall bushing | |
| CN205264436U (en) | End is shielded earthing device and is had device's transformer bushing | |
| CN110729684A (en) | An ultra-high voltage SF6 gas insulated wall bushing and its insulating support structure | |
| CN107634495B (en) | End sealing structure of extra-high voltage direct current wall bushing | |
| CN109494028B (en) | Single-pipe structure oil-paper casing | |
| CN119480385B (en) | A double-tap seismic transformer bushing | |
| CN209544113U (en) | Bushing shell for transformer | |
| KR20180121399A (en) | bushing assembly for electric transformer | |
| CN102231309B (en) | Extra-high voltage alternating current (AC)/direct current (DC) sleeve | |
| CN101714446A (en) | Glass fibre reinforced plastic capacitance multicore transformer bushing | |
| CN220672378U (en) | High-integration combined electrical appliance | |
| KR20200135777A (en) | Bushing with tap assembly | |
| EP2803073B1 (en) | Plug and socket pure gas insulated wall bushing for hvdc and uhv | |
| CN207442385U (en) | Wall bushing component | |
| CN217588659U (en) | Insulating bin type low-power consumption high-voltage transformer | |
| CN105680430A (en) | Dry-type hollow current-limiting reactor device | |
| CN100449653C (en) | Lined high voltage insulating core | |
| CN220526680U (en) | Lightning-proof dry-type capacitance transformer sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |