CN111342310A - Electric connection structure and connector thereof - Google Patents
Electric connection structure and connector thereof Download PDFInfo
- Publication number
- CN111342310A CN111342310A CN202010102639.6A CN202010102639A CN111342310A CN 111342310 A CN111342310 A CN 111342310A CN 202010102639 A CN202010102639 A CN 202010102639A CN 111342310 A CN111342310 A CN 111342310A
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- connector
- shielding structure
- cylindrical shielding
- conductive
- cylindrical
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/50—Bases; Cases formed as an integral body
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to an electric connection structure and a connector thereof, wherein the electric connection structure comprises a connector and a connecting seat, the connector is provided with a conductive insertion part, and the conductive insertion part is inserted into a conductive insertion hole on the connecting seat; a shielding cover is fixed on the connector, a cylindrical shielding structure is arranged on the connector, and the cylindrical shielding structure is positioned on the radial outer side of the conductive insertion part and is coaxially arranged with the conductive insertion part; the cylindrical shielding structure and the main body part of the connector are integrally formed, an overhanging structure is formed on the main body part of the connector, and an annular space between the cylindrical shielding structure and the conductive plug part forms an avoiding interval for avoiding the hole wall of the conductive plug hole; the shielding case is formed by a cylindrical shielding structure; the cylindrical shielding structure and the main body part of the connector are integrally formed, so that the installation space for assembling screws is prevented from being reserved on the connector, the influence of the screws on an electric field of the electric connection structure is avoided, and the arrangement of the shielding cover in the electric connection structure is not limited by the screw connection structure.
Description
Technical Field
The invention belongs to the field of electric connection structures, and particularly relates to an electric connection structure and a connector thereof.
Background
The electric connection structure is a widely used part in a gas insulated metal enclosed switch (GIS) and a gas insulated metal enclosed transmission line (GIL), and mainly has the main function of conducting rated current and instantaneous fault current in a main loop, and the quality of the electric connection structure directly influences the reliability of equipment and the safe operation of a power grid.
The electric connection structure comprises a connector and a connecting seat, wherein one end of the connector is inserted into a corresponding end of the connecting seat when in use, and the other ends of the connector and the connecting seat are used for connecting corresponding conductive rods, so that two power transmission circuits are connected and conducted. In the actual use process, the electric connection structure has to be in an arc structure in addition to ensuring good current capacity, so that the electric field distortion is avoided to cause discharge. In contrast, a shielding cover is often required to be disposed on the electrical connection structure, and the shielding cover is generally fixed to an axial end face or a radial outer peripheral face of the connector by a screw, for example, the electrical connection structure used in a high-voltage switch disclosed in chinese patent with publication No. CN203799881U, and the shielding cover is mounted on an axial end face of the conductor by a screw connection structure.
The existing shield cover fixing mode has the defect that the screw can also influence an electric field, so that on the premise of meeting the requirement of the electric field, an installation space for assembling the screw needs to be reserved on the connector and the shield cover, the arrangement of the screw connecting structure is greatly limited, and great difficulty is caused in product design.
Disclosure of Invention
The invention aims to provide an electric connection structure, which is used for solving the problem that the arrangement of a screw connection structure is limited when a middle shielding cover of the existing electric connection structure is fixed by screws; the invention also provides a connector, which is used for solving the problem that the arrangement of a screw connection structure is limited when the shielding cover on the existing connector is fixed by screws.
The electric connection structure adopts the following technical scheme:
the electric connection structure comprises a connector and a connecting seat, wherein the connector is provided with a conductive insertion part which is inserted into a conductive insertion hole on the connecting seat; a shielding cover is fixed on the connecting head, an avoiding interval is arranged between the shielding cover and the outer peripheral surface of the conductive inserting part, and the avoiding interval is used for avoiding the hole wall of the conductive inserting hole; the connector is provided with a cylindrical shielding structure which is positioned at the radial outer side of the conductive insertion part and is coaxially arranged with the conductive insertion part; the cylindrical shielding structure and the main body part of the connector are integrally formed, an overhanging structure is formed on the main body part of the connector, and the annular space between the cylindrical shielding structure and the conductive insertion part forms the avoiding interval; the shield case is formed of the cylindrical shield structure.
The invention has the beneficial effects that: the cylindrical shielding structure on the connector of the electric connection structure forms a shielding cover, the cylindrical shielding structure and the main body part of the connector are integrally formed, and screws do not need to be additionally used for connection, so that the installation space for assembling the screws is prevented from being reserved on the connector, the influence of the screws on an electric field of the electric connection structure is prevented, and the arrangement of the shielding cover in the electric connection structure is not limited by the screw connection structure.
Furthermore, the overhanging end of the cylindrical shielding structure is provided with a reducing section, and the outer diameter of the reducing section is gradually reduced towards one side of the overhanging direction of the cylindrical shielding structure.
Has the advantages that: the external diameter size of reducing section diminishes along tube-shape shielding structure overhanging direction for tube-shape shielding structure has more even transition's appearance, and then makes electric connection structure's electric field obtain optimizing.
Furthermore, the cylindrical shielding structure is a straight cylinder, and the inner wall surface of the cylindrical shielding structure is parallel to the axis of the cylindrical shielding structure.
Has the advantages that: the straight cylinder structure is simpler, and the cylindrical shielding structure and the main body part of the connector are conveniently integrally formed.
Furthermore, one end of the connector, which is back to the overhanging direction of the cylindrical shielding structure, is provided with a butt joint end face, and the butt joint end face is used for being in butt joint with the conducting rod; the outer peripheral surface of the connector is provided with a section of reducing part, the reducing part is connected with the butt joint end face, and the diameter of the reducing part is gradually increased from the butt joint end face to the overhanging direction of the cylindrical shielding structure.
Has the advantages that: the shape transition of the butt joint end surface of the connector towards the overhanging direction of the cylindrical shielding structure is more uniform, so that the electric field of the connector is optimized.
Furthermore, a main body part of the connector is provided with a connecting step for sleeving the corresponding hollow conducting rod; the butt end face is formed by the connection step.
Has the advantages that: the arrangement of the connecting steps on the connector enables the appearance of the hollow conducting rod and the appearance of the main body part of the connector to be in smoother transition, and therefore the electric field of the electric connection structure can be optimized.
The connector of the electric connection structure adopts the following technical scheme:
the connector of the electric connection structure is provided with a conductive insertion part which is inserted into a conductive insertion hole on the connecting seat; a shielding cover is fixed on the connecting head, an avoiding interval is arranged between the shielding cover and the outer peripheral surface of the conductive inserting part, and the avoiding interval is used for avoiding the hole wall of the conductive inserting hole; the connector is provided with a cylindrical shielding structure which is positioned at the radial outer side of the conductive insertion part and is coaxially arranged with the conductive insertion part; the cylindrical shielding structure and the main body part of the connector are integrally formed, an overhanging structure is formed on the main body part of the connector, and the annular space between the cylindrical shielding structure and the conductive insertion part forms the avoiding interval; the shield case is formed of the cylindrical shield structure.
Has the advantages that: the cylindrical shielding structure on the connector of the electric connection structure forms a shielding cover, the cylindrical shielding structure and the main body part of the connector are integrally formed, and screws do not need to be additionally used for connection, so that the installation space for assembling the screws is prevented from being reserved on the connector, the influence of the screws on an electric field of the electric connection structure is prevented, and the arrangement of the shielding cover in the electric connection structure is not limited by the screw connection structure.
Furthermore, the overhanging end of the cylindrical shielding structure is provided with a reducing section, and the outer diameter of the reducing section is gradually reduced towards one side of the overhanging direction of the cylindrical shielding structure.
Has the advantages that: the external diameter size of reducing section diminishes along tube-shape shielding structure overhanging direction for tube-shape shielding structure has more even transition's appearance, and then makes electric connection structure's electric field obtain optimizing.
Further, the cylindrical shielding structure is a straight cylinder, and an inner avoiding surface of the cylindrical shielding structure is parallel to an axis of the cylindrical shielding structure.
Has the advantages that: the straight cylinder structure is simpler, and the cylindrical shielding structure and the main body part of the connector are conveniently integrally formed.
Furthermore, one end of the connector, which is back to the overhanging direction of the cylindrical shielding structure, is provided with a butt joint end face, and the butt joint end face is used for being in butt joint with the conducting rod; the outer peripheral surface of the connector is provided with a section of reducing part, the reducing part is connected with the butt joint end face, and the diameter of the reducing part is gradually increased from the butt joint end face to the overhanging direction of the cylindrical shielding structure.
Has the advantages that: the shape transition of the butt joint end surface of the connector towards the overhanging direction of the cylindrical shielding structure is more uniform, so that the electric field of the connector is optimized.
Furthermore, a main body part of the connector is provided with a connecting step for sleeving the corresponding hollow conducting rod; the butt end face is formed by the connection step.
Has the advantages that: the arrangement of the connecting steps on the connector enables the appearance of the hollow conducting rod and the appearance of the main body part of the connector to be in smoother transition, and therefore the electric field of the electric connection structure can be optimized.
The above-described preferred embodiments may be adopted alone, or two or more embodiments may be arbitrarily combined when they can be combined, and the embodiments formed by the combination are not specifically described here and are included in the description of the present patent.
Drawings
FIG. 1 is a schematic structural diagram of a connector according to the present invention;
FIG. 2 is a schematic structural view of an electrical connection structure according to the present invention;
the names of the components corresponding to the corresponding reference numerals in the drawings are: 1-a connector; 11-a conductive plug-in part; 12-a shield; 13-butt end face; 2-connecting the head end conductive rod; 3-a guide ring; 4-a ring spring; 5-a contact finger; 6-crimping sleeve; 7-first foam match; 8-a connector end conductor; 9 second foam match.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the 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 of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present in the embodiments of the present invention, are 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. Without further limitation, an element defined by the recitation of "comprising an … …" may occur without the exclusion of additional like elements present in the process, method, article, or apparatus that comprises the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, unless otherwise specifically stated or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
The electric connection structure comprises a connector and a connecting seat, as shown in fig. 2, the connecting seat is formed by a contact finger 5, a crimping sleeve 6, a guide ring 3 and an annular spring 4, the connecting seat is connected on a conductor 8 at the end of the connecting seat, the contact finger 5 is crimped on the conductor 8 at the end of the connecting seat by the crimping sleeve 6 in the connecting seat, the contact finger 5 is of an annular structure, and the annular spring 4 is hooped in the circumferential direction at the front end of the contact finger 5; the front end of the crimping sleeve 6 is provided with a guide ring 3, and when the connector is spliced with the connecting seat, the guide ring 3 is in guide fit with the conductive splicing part 11.
The connector 1 is formed by a forging piece through cutting processing, is integrally of a hollow structure and comprises a main body part, wherein the front end of the main body part is provided with a small-diameter section, and the rear end of the main body part is provided with a large-diameter section. As shown in fig. 1, the small diameter section at the front end of the connector 1 is in the form of a sleeve to form a conductive plug part 11, and the conductive plug part 11 is used for being plugged into a conductive plug hole on the connecting base; the front end face of the large-diameter section extends forwards to form a cylindrical shielding structure, the cylindrical shielding structure and the main body part are integrally formed, and the cylindrical shielding structure forms a shielding cover 12.
The cylindrical shielding structure shield 12 is cantilevered forward, and the shield 12 is located radially outside the conductive plug part and is arranged coaxially with the conductive plug part 11. An annular space is formed between the cylindrical shielding structure shielding cover 12 and the conductive insertion part 11, and the annular space forms an avoiding interval for avoiding the hole wall of the conductive insertion hole of the connecting seat. The overhanging length of the shielding cover 12 is smaller than the axial length of the conductive inserting part 11, so that when the connector is inserted into the connecting seat in a guiding way, the conductive inserting part 11 forms guiding fit with the guide ring 3 in the connecting seat, and the shielding cover 12 is protected.
The shield 12 is a straight cylinder structure, the inner wall surface of the straight cylinder structure is parallel to the axis of the shield 12, the shield 12 is simple in structure, and the shield 12 on the connector 1 and the main body part are conveniently formed integrally. The overhang end of shield cover 12 has the reducing section, and the external diameter size of reducing section reduces to overhang direction one side of shield cover 12 gradually for shield cover 12 has the appearance of more even transition, thereby makes the electric field of connector obtain optimizing.
A connecting step is arranged at one end, far away from the shielding case 12, of the main body part of the connector 1, a butt joint end face 13 is formed on the connecting step, the butt joint end face 13 is in a circular ring shape, and the butt joint end face 13 faces to the direction far away from the shielding case 12; the outer peripheral surface of the connector 1 connected with the butt joint end surface 13 is provided with a section of reducing part, and the diameter of the reducing part is gradually increased from the butt joint end surface to the overhanging direction of the shielding cover 12, so that the electric field of the connector is optimized.
The end part of the connector end conductive rod 2 is sleeved on the connecting step of the connector 1, and the connector end conductive rod 2 is pressed on the connector 1, so that the connector end conductive rod 2 and the connector 1 are fixed together; the connector end conductive rod 2 is of a hollow structure, the end face of the connector end conductive rod 2 is in blocking fit with the butt end face 13 on the connecting step, and the connecting step on the connector enables the hollow conductive rod and the appearance of the connector main body to be in smooth transition, so that the electric field of the electric connection structure can be optimized.
The connector end conductor 8 is a hollow conducting rod, a second dustproof plug 9 is arranged in a hollow inner cavity of the connector end conductor 8, the second dustproof plug 9 is used for preventing foreign matters from entering the interior of the connector end conductor 8, the second dustproof plug 9 is plugged into the hollow inner cavity of the connector end conductor 8 during assembly and transportation of an electric connection structure, and when the electric connection structure is used, the second dustproof plug 9 needs to be taken out from the hollow inner cavity of the connector end conductor 8.
Embodiment 4 of the connector of the present invention is different from embodiment 1 of the connector in that in embodiment 1, the connector is formed by cutting a forging, and in this embodiment, the connector is formed by cutting a tubular shape.
Fig. 1 shows an embodiment of a connecting head of an electrical connection structure according to the present invention, that is, a connecting head described in any one of embodiments 1 to 5 of the electrical connection structure; and will not be described in detail herein.
The inside of connector 1 is cavity inner chamber structure, is equipped with first dustproof stopper 7 in the cavity inner chamber of connector 1, and first dustproof stopper 7 is arranged in preventing that the foreign matter from entering into the inside of connector 1 and hollow connector end conducting rod 2, and first dustproof stopper 7 fills in the cavity inner chamber of connector 1 when electric connection structure assembly and transportation, when electric connection structure used, need take out first dustproof stopper 7 from the cavity inner chamber of connector 1.
The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.
Claims (10)
1. The electric connection structure comprises a connector and a connecting seat,
the connector is provided with a conductive inserting part, and the conductive inserting part is used for being inserted into a conductive inserting hole on the connecting seat;
a shielding cover is fixed on the connecting head, an avoiding interval is arranged between the shielding cover and the outer peripheral surface of the conductive inserting part, and the avoiding interval is used for avoiding the hole wall of the conductive inserting hole;
the method is characterized in that:
the connector is provided with a cylindrical shielding structure which is positioned at the radial outer side of the conductive insertion part and is coaxially arranged with the conductive insertion part;
the cylindrical shielding structure and the main body part of the connector are integrally formed, an overhanging structure is formed on the main body part of the connector, and the annular space between the cylindrical shielding structure and the conductive insertion part forms the avoiding interval;
the shield case is formed of the cylindrical shield structure.
2. The electrical connection structure according to claim 1, wherein the overhanging end of the cylindrical shielding structure has a tapered section, and an outer diameter dimension of the tapered section is gradually reduced toward the overhanging direction side of the cylindrical shielding structure.
3. The electrical connection structure according to claim 1 or 2, wherein the cylindrical shielding structure is a straight cylinder, and an inner wall surface thereof is parallel to an axis of the cylindrical shielding structure.
4. The electrical connection structure according to claim 1 or 2, wherein an end of the connector facing away from the overhanging direction of the cylindrical shielding structure is provided with a butt end face, and the butt end face is used for butt joint with the conductive rod;
the outer peripheral surface of the connector is provided with a section of reducing part, the reducing part is connected with the butt joint end face, and the diameter of the reducing part is gradually increased from the butt joint end face to the overhanging direction of the cylindrical shielding structure.
5. The electrical connection structure as claimed in claim 4, wherein the main body portion of the connector is provided with a connecting step for the corresponding hollow conductive rod to be sleeved;
the butt end face is formed by the connection step.
6. A connector of the electric connection structure is provided,
the connector is provided with a conductive inserting part which is used for being inserted into a conductive inserting hole on the connecting seat;
a shielding cover is fixed on the connecting head, an avoiding interval is arranged between the shielding cover and the outer peripheral surface of the conductive inserting part, and the avoiding interval is used for avoiding the hole wall of the conductive inserting hole;
the method is characterized in that:
the connector is provided with a cylindrical shielding structure which is positioned at the radial outer side of the conductive insertion part and is coaxially arranged with the conductive insertion part;
the cylindrical shielding structure and the main body part of the connector are integrally formed, an overhanging structure is formed on the main body part of the connector, and the annular space between the cylindrical shielding structure and the conductive insertion part forms the avoiding interval;
the shield case is formed of the cylindrical shield structure.
7. The connector according to claim 6, wherein the overhanging end of the cylindrical shielding structure has a reducing section, and the outer diameter of the reducing section is gradually reduced toward one side of the overhanging direction of the cylindrical shielding structure.
8. A connecting head according to claim 6 or 7, wherein the cylindrical shielding structure is a straight cylinder, and the inner evading surface of the cylindrical shielding structure is parallel to the axis of the cylindrical shielding structure.
9. The connector according to claim 6 or 7, wherein an abutting end face is arranged at one end of the connector facing away from the overhanging direction of the cylindrical shielding structure, and the abutting end face is used for abutting against the conducting rod;
the outer peripheral surface of the connector is provided with a section of reducing part, the reducing part is connected with the butt joint end face, and the diameter of the reducing part is gradually increased from the butt joint end face to the overhanging direction of the cylindrical shielding structure.
10. The connector according to claim 9, wherein the main body of the connector is provided with a connecting step, and the connecting step is used for sleeving the corresponding hollow conducting rod;
the butt end face is formed by the connection step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102639.6A CN111342310A (en) | 2020-02-19 | 2020-02-19 | Electric connection structure and connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102639.6A CN111342310A (en) | 2020-02-19 | 2020-02-19 | Electric connection structure and connector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111342310A true CN111342310A (en) | 2020-06-26 |
Family
ID=71185468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010102639.6A Pending CN111342310A (en) | 2020-02-19 | 2020-02-19 | Electric connection structure and connector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111342310A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952775A (en) * | 2020-07-07 | 2020-11-17 | 国家电网有限公司 | Conductive connection structure, gas-insulated metal-enclosed switchgear and power transmission line |
| CN112086786A (en) * | 2020-07-07 | 2020-12-15 | 国家电网有限公司 | Conducting rod, gas-insulated metal-enclosed switchgear and transmission line |
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| CN203799881U (en) * | 2014-01-27 | 2014-08-27 | 上海思源高压开关有限公司 | Electrical connecting device for high-voltage switches |
| CN105226479A (en) * | 2015-09-28 | 2016-01-06 | 平高集团有限公司 | A kind of preparation method of tubular type conducting rod, hydraulic bulging device and tubular type conducting rod |
| CN105448578A (en) * | 2015-11-25 | 2016-03-30 | 河南平芝高压开关有限公司 | Isolation switch and conductor thereof |
| CN205723185U (en) * | 2016-03-02 | 2016-11-23 | 平高集团有限公司 | A kind of arrangements of electric connection and button contact base thereof |
| CN206742024U (en) * | 2017-06-08 | 2017-12-12 | 宁波市镇海国创高压电器有限公司 | A kind of core body of GIS tank-type lightning arresters |
| CN207925831U (en) * | 2018-04-08 | 2018-09-28 | 平高东芝（廊坊）避雷器有限公司 | A kind of isolation fracture component of GIS arresters |
| CN110165479A (en) * | 2019-04-24 | 2019-08-23 | 平高集团有限公司 | Conductive joint element for bar and wall bushing with the connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204308Y (en) * | 2008-06-19 | 2009-03-04 | 中国西电电气股份有限公司 | Insertion electric connection structure for GIS |
| CN201789079U (en) * | 2010-06-28 | 2011-04-06 | 山东泰开高压开关有限公司 | Electric connection structure of GIS combined electrical apparatus |
| CN202094044U (en) * | 2011-05-31 | 2011-12-28 | 郑国银 | Static piece for vacuum tube in vacuum circuit breaker and vacuum tube employing same |
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| CN205723185U (en) * | 2016-03-02 | 2016-11-23 | 平高集团有限公司 | A kind of arrangements of electric connection and button contact base thereof |
| CN206742024U (en) * | 2017-06-08 | 2017-12-12 | 宁波市镇海国创高压电器有限公司 | A kind of core body of GIS tank-type lightning arresters |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952775A (en) * | 2020-07-07 | 2020-11-17 | 国家电网有限公司 | Conductive connection structure, gas-insulated metal-enclosed switchgear and power transmission line |
| CN112086786A (en) * | 2020-07-07 | 2020-12-15 | 国家电网有限公司 | Conducting rod, gas-insulated metal-enclosed switchgear and transmission line |
| CN112086786B (en) * | 2020-07-07 | 2022-03-29 | 国家电网有限公司 | Conducting rod, gas-insulated metal-enclosed switchgear and transmission line |
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Application publication date: 20200626 |
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| RJ01 | Rejection of invention patent application after publication |