CN112802669A - Novel dry-type RIP alternating current transformer sleeve pipe binding post structure - Google Patents
Novel dry-type RIP alternating current transformer sleeve pipe binding post structure Download PDFInfo
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- CN112802669A CN112802669A CN202110085320.1A CN202110085320A CN112802669A CN 112802669 A CN112802669 A CN 112802669A CN 202110085320 A CN202110085320 A CN 202110085320A CN 112802669 A CN112802669 A CN 112802669A
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- wiring terminal
- cover plate
- end cover
- insulator
- conductive tube
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to a novel dry RIP alternating current transformer bushing wiring terminal structure, which is arranged at the end part of an insulator bushing, wherein the end part of the insulator bushing is provided with an end cover plate which is connected with the insulator bushing through a bolt, and the end cover plate is provided with a through hole for accommodating the wiring terminal which penetrates out once; the method is characterized in that: comprises a conductive tube and a primary penetrating wiring terminal; the one-time penetrating-out type connecting terminal is simple in structure, is electrically connected with the one-time penetrating-out connecting terminal through the spring contact finger, and is fastened on the end cover plate through the bolt; the structure has high reliability of electrical connection, simple structure and lower material cost; the problem that the adoption of the mode of matching the military cap with the spring is easy to lose efficacy, so that the electrical connection between the military cap and the conductive tube is unreliable, the contact resistance is increased, and the product generates heat seriously is avoided.
Description
Technical Field
The invention relates to the technical field of alternating current transformer bushings, in particular to a novel dry RIP alternating current transformer bushing terminal structure.
Background
General binding post on the alternating current transformer sleeve pipe adopt be with the structure of army's cap formula, as shown in fig. 1, when the alternating current transformer sleeve pipe used the current-carrying structure of contact tube, if adopt with army's cap structure 1, need cooperate the pull rod structure and cooperate, this type of structure is complicated, need lean on pressure spring 2 to realize limiting displacement, spring 2 is in the state of compressing tightly for a long time, easily take place to become invalid, lead to the electrical connection unreliable between army's cap structure 1 and the contact tube, contact resistance increases, thereby lead to the serious problem of product heating.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel dry RIP (RIP) alternating current transformer bushing terminal structure, which can solve the problem that the general alternating current transformer bushing terminal adopts a general military cap type structure, so that the electrical connection between a military cap and a conductive tube is unreliable, the contact resistance is increased, and the product is heated seriously.
In order to solve the technical problems, the technical scheme of the invention is as follows: a novel dry RIP alternating current transformer bushing wiring terminal structure is arranged at the end of an insulator bushing, an end cover plate is arranged at the end of the insulator bushing and connected with the insulator bushing through a bolt, and a through hole for allowing a wiring terminal to penetrate through once is formed in the end cover plate; the innovation points are as follows: comprises a conductive tube and a primary penetrating wiring terminal;
the conductive tube is arranged in the insulator sleeve, and the end part of the conductive tube extends to the position close to the inner wall of the end cover plate; the axis of the conductive tube is coaxial with a through hole which is arranged on the end cover plate and is used for accommodating the one-time penetrating wiring terminal to pass through;
the primary penetrating wiring terminal is of a stepped shaft-shaped structure, one end of the primary penetrating wiring terminal is embedded into a stepped hole of the conductive tube, a groove for accommodating the spring contact finger is circumferentially arranged on the outer wall of the part, embedded into the conductive tube, of the primary penetrating wiring terminal, and the spring contact finger is arranged in the groove; the other end of the primary penetrating wiring terminal penetrates through a through hole in the end cover plate; the step face perpendicular to that which penetrates out the wiring terminal once is welded in the axis direction of penetrating out the wiring terminal once, and the wiring terminal pressing plate is penetrated out once and connected to the end cover plate through a bolt.
Further, an insulator flange connected with the end cover plate is arranged on the outer wall of the insulator sleeve, and the insulator flange is connected with the end cover plate through bolts; first seal grooves are formed in the end cover plate, the position, attached to the insulator flange, of the end cover plate and the position, attached to the insulator sleeve, of the end cover plate, and nitrile rubber rings are arranged in the first seal grooves.
Furthermore, a second sealing groove is arranged on the periphery of the part of the outer wall penetrating out of the wiring terminal and embedded into the conductive pipe at one time, and a fluorine-silicon sealing ring is arranged in the second sealing groove.
Furthermore, a third sealing groove is formed in a binding surface of the one-time penetrating wiring terminal pressing plate and the end cover plate, which is vertically welded on the one-time penetrating wiring terminal, and a fluorine-silicon sealing ring is arranged in the third sealing groove; the inner wall of the through hole, which is formed by accommodating the end cover plate and penetrates out of the wiring terminal once, is provided with a fourth sealing groove, and a fluorine-silicon sealing ring is arranged in the fourth sealing groove.
The invention has the advantages that:
1) the one-time penetrating-out type connecting terminal is simple in structure, is electrically connected with the one-time penetrating-out connecting terminal through the spring contact finger, and is fastened on the end cover plate through the bolt; the structure has high reliability of electrical connection, simple structure and lower material cost; the problem that the adoption of the mode of matching the military cap with the spring is easy to lose efficacy, so that the electrical connection between the military cap and the conductive tube is unreliable, the contact resistance is increased, and the product generates heat seriously is avoided.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a conventional general hat type RIP alternating-current transformer bushing terminal.
Fig. 2 is a schematic structural diagram of a novel dry-type RIP ac transformer bushing terminal according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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.
As shown in fig. 2, the terminal structure of the novel dry-type RIP ac transformer bushing is arranged at the end of an insulator bushing 3, an end cover plate 4 is arranged at the end of the insulator bushing 3 and connected with the insulator bushing 3 through bolts, and a through hole for allowing a terminal 5 to pass through is formed in the end cover plate 4; comprises a conductive tube 6 and a one-time penetrating wiring terminal 5.
The conductive tube 6 is arranged in the insulator sleeve, and the end of the conductive tube 6 extends to the inner wall close to the end cover plate 4; the axis of the conductive tube 6 is coaxial with a through hole in the end cover 4 for receiving the one-time penetrating terminal 5.
The primary penetrating wiring terminal 5 is of a stepped shaft-shaped structure, one end of the primary penetrating wiring terminal 5 is embedded into a stepped hole of the conductive tube 6, a groove for accommodating the spring contact finger 7 is circumferentially arranged on the outer wall of the part, embedded into the conductive tube 6, of the primary penetrating wiring terminal 5, and the spring contact finger 7 is arranged in the groove; the other end of the first-time penetrating wiring terminal 5 penetrates through a through hole on the end cover plate 4; a first penetrating wiring terminal pressing plate 51 is welded on the stepped surface of the first penetrating wiring terminal 5 perpendicular to the axis direction of the first penetrating wiring terminal 5, and the first penetrating wiring terminal pressing plate 51 is connected to the end cover plate 4 through a bolt.
An insulator flange 31 connected with the end cover plate 3 is arranged on the outer wall of the insulator sleeve 3, and the insulator flange 31 is connected with the end cover plate 3 through bolts; first seal grooves are formed in the attaching positions of the end cover plate 3 and the insulator flange 31 and the insulator sleeve 3, and a nitrile rubber ring is arranged in each first seal groove.
A second sealing groove is arranged on the periphery of the part of the outer wall which penetrates out of the wiring terminal 5 and is embedded into the conductive pipe at one time, and a fluorine-silicon sealing ring is arranged in the second sealing groove.
A third sealing groove is formed in the binding surface of the one-time piercing-out wiring terminal pressing plate 51 and the end cover plate, which is vertically welded on the one-time piercing-out wiring terminal 5, and a fluorine-silicon sealing ring is arranged in the third sealing groove; the inner wall of the through hole which is formed in the end cover plate 4 and penetrates through the wiring terminal 5 once is provided with a fourth sealing groove, and a fluorine-silicon sealing ring is arranged in the fourth sealing groove.
The working principle of the invention is as follows: the spring contact finger is electrically connected with the wiring terminal which is penetrated out once, the wiring terminal is penetrated out once in the circumferential direction and welded, and the wiring terminal pressing plate is penetrated out once and fastened on the end cover plate through the bolt.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A novel dry RIP alternating current transformer bushing wiring terminal structure is arranged at the end of an insulator bushing, an end cover plate is arranged at the end of the insulator bushing and connected with the insulator bushing through a bolt, and a through hole for allowing a wiring terminal to penetrate through once is formed in the end cover plate; the method is characterized in that: comprises a conductive tube and a primary penetrating wiring terminal;
the conductive tube is arranged in the insulator sleeve, and the end part of the conductive tube extends to the position close to the inner wall of the end cover plate; the axis of the conductive tube is coaxial with a through hole which is arranged on the end cover plate and is used for accommodating the one-time penetrating wiring terminal to pass through;
the primary penetrating wiring terminal is of a stepped shaft-shaped structure, one end of the primary penetrating wiring terminal is embedded into a stepped hole of the conductive tube, a groove for accommodating the spring contact finger is circumferentially arranged on the outer wall of the part, embedded into the conductive tube, of the primary penetrating wiring terminal, and the spring contact finger is arranged in the groove; the other end of the primary penetrating wiring terminal penetrates through a through hole in the end cover plate; the step face perpendicular to that which penetrates out the wiring terminal once is welded in the axis direction of penetrating out the wiring terminal once, and the wiring terminal pressing plate is penetrated out once and connected to the end cover plate through a bolt.
2. The novel dry-type RIP ac transformer bushing terminal structure of claim 1, wherein: an insulator flange connected with the end cover plate is arranged on the outer wall of the insulator sleeve, and the insulator flange is connected with the end cover plate through bolts; first seal grooves are formed in the end cover plate, the position, attached to the insulator flange, of the end cover plate and the position, attached to the insulator sleeve, of the end cover plate, and nitrile rubber rings are arranged in the first seal grooves.
3. The novel dry-type RIP ac transformer bushing terminal structure of claim 1, wherein: and a second sealing groove is arranged on the periphery of the part of the outer wall which penetrates out of the wiring terminal and is embedded into the conductive pipe at one time, and a fluorine-silicon sealing ring is arranged in the second sealing groove.
4. The novel dry-type RIP ac transformer bushing terminal structure of claim 1, wherein: a third sealing groove is formed in the binding surface of the one-time penetrating wiring terminal pressing plate and the end cover plate, which is vertically welded on the one-time penetrating wiring terminal, and a fluorine-silicon sealing ring is arranged in the third sealing groove; the inner wall of the through hole, which is formed by accommodating the end cover plate and penetrates out of the wiring terminal once, is provided with a fourth sealing groove, and a fluorine-silicon sealing ring is arranged in the fourth sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110085320.1A CN112802669A (en) | 2021-01-22 | 2021-01-22 | Novel dry-type RIP alternating current transformer sleeve pipe binding post structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110085320.1A CN112802669A (en) | 2021-01-22 | 2021-01-22 | Novel dry-type RIP alternating current transformer sleeve pipe binding post structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112802669A true CN112802669A (en) | 2021-05-14 |
Family
ID=75811148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110085320.1A Pending CN112802669A (en) | 2021-01-22 | 2021-01-22 | Novel dry-type RIP alternating current transformer sleeve pipe binding post structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112802669A (en) |
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2021
- 2021-01-22 CN CN202110085320.1A patent/CN112802669A/en active Pending
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