CN110601124A - Cable terminal and cable assembly with same - Google Patents

Cable terminal and cable assembly with same Download PDF

Info

Publication number
CN110601124A
CN110601124A CN201910719262.6A CN201910719262A CN110601124A CN 110601124 A CN110601124 A CN 110601124A CN 201910719262 A CN201910719262 A CN 201910719262A CN 110601124 A CN110601124 A CN 110601124A
Authority
CN
China
Prior art keywords
cable
inlet end
outlet
insulating tube
assembly
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
Application number
CN201910719262.6A
Other languages
Chinese (zh)
Other versions
CN110601124B (en
Inventor
周明瑜
王海田
韩正一
罗艺
陈海波
徐若愚
郑华龙
周育桢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Global Energy Interconnection Research Institute
European Institute For Global Energy Internet
Original Assignee
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Global Energy Interconnection Research Institute
European Institute For Global Energy Internet
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Global Energy Interconnection Research Institute, European Institute For Global Energy Internet filed Critical State Grid Corp of China SGCC
Priority to CN201910719262.6A priority Critical patent/CN110601124B/en
Publication of CN110601124A publication Critical patent/CN110601124A/en
Application granted granted Critical
Publication of CN110601124B publication Critical patent/CN110601124B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01R13/02—Contact members
    • H01R13/025—Contact members formed by the conductors of a cable end
    • 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
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/04—Cable-end sealings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H02G15/064—Cable terminating boxes, frames or other structures with devices for relieving electrical stress

Landscapes

  • Cable Accessories (AREA)

Abstract

The present invention provides a cable termination comprising: the insulating tube comprises an inlet end and an outlet end, and insulating gas is filled in the insulating tube; the output assembly comprises a conductive outlet unit and an outlet end connecting piece; the current guide assembly is arranged in the insulating tube in a penetrating mode and comprises a current guide part and a metal socket connected with the current guide part; the input assembly comprises an inlet end connecting piece, a cable is inserted into the inlet end connecting piece in a penetrating mode, the direct current cable comprises a conductive contact arranged at the end portion of the direct current cable, the metal socket allows the conductive contact to be inserted, and the inlet end connecting piece is sleeved on the direct current cable and connected with the inlet end in a sealing mode. The problem that a spring system in a cable terminal in the prior art cannot adjust pressure due to the fact that the structure of the spring system can not adjust pressure is solved, the spring system fails in the long-time normal working process of the cable, the cable is broken down, the electric leakage condition occurs, and the abnormal working condition of external equipment is influenced is solved.

Description

Cable terminal and cable assembly with same
Technical Field
The invention relates to the technical field of power cables, in particular to a cable terminal and a cable assembly with the same.
Background
The cable terminal is used for realizing the connection between the cable and external equipment, optimizing the voltage electric field distribution at the outer shielding cut-off part of the cable, protecting the cable from being punctured and the like, under the conditions of electric field and working temperature, the conductivity of the insulating medium in the cable is different along with the characteristics of electric field intensity and temperature, the service life of the cable termination is therefore limited, and in order to prolong the service life of the cable termination, it is known in the prior art to provide a spring system in the cable termination, although the spring adopted by the spring system prolongs the service life of the stress cone, the structure of the spring system can not adjust the pressure, so that in the long-time normal working process of the cable, the spring system fails, and the cable is broken down to cause electric leakage and influence the abnormal operation of the external equipment, so people in the field are urgently required to solve the problem.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the problems that in the prior art, a spring system in a cable terminal fails to adjust pressure due to the structure of the spring system, and the cable is broken down to cause leakage and to affect the abnormal operation of external equipment in the long-time normal operation process of the cable, and therefore, the present invention provides a cable terminal, which includes:
the insulating tube comprises an inlet end and an outlet end, and insulating gas is filled in the insulating tube;
the output assembly comprises a conductive outlet unit and an outlet end connecting piece, and the outlet end connecting piece is connected with the outlet end in a sealing manner;
the current guide assembly penetrates through the insulating tube and comprises a current guide part and a metal socket connected with the current guide part, and the current guide part is in conductive connection with the conductive outlet unit;
the input assembly comprises an inlet end connecting piece, a cable is inserted into the inlet end connecting piece in a penetrating mode, the direct current cable comprises a conductive contact arranged at the end portion of the direct current cable, the metal socket allows the conductive contact to be inserted, and the inlet end connecting piece is sleeved on the direct current cable and connected with the inlet end in a sealing mode.
Furthermore, the flow guide assembly further comprises a connecting socket, a through inserting cavity is formed in the connecting socket, and one end of the inserting cavity is sleeved on the metal socket;
the input assembly further comprises a connecting plug, the cable penetrates through the connecting plug, the connecting plug comprises a connecting end and an inserting end, the connecting end is connected with the inlet end connecting piece, the conductive contact is exposed out of the inserting end, and the connecting plug is inserted into the inserting cavity.
Furthermore, the connecting plug is provided with an outer conical surface, the outer diameter of the outer conical surface is gradually reduced from the connecting end to the inserting end, the connecting socket is provided with an inner conical surface, and the inner conical surface is matched with the outer conical surface.
Further, the connecting plug further comprises a reinforced insulating member, the reinforced insulating member is located at the insertion end of the connecting plug, and the conductive contact is arranged through the reinforced insulating member.
Further, still include pressure adjustment assembly, pressure adjustment assembly locates the entry end connecting piece with between the connecting plug.
Further, the inlet end connecting piece comprises a tail pipe arranged at the connecting end of the connecting plug, the tail pipe is sleeved on the cable, and the connecting plug is fixed between the tail pipe and the connecting socket through the tail pipe.
Furthermore, the inlet end connecting piece further comprises an inlet end flange, and the connecting socket is fixed at the inlet end of the insulating pipe through the inlet end flange.
Furthermore, the outlet end connecting piece is an outlet end flange plate, the conductive outlet unit is a conductor outlet rod, the outlet end flange plate fixes the conductor outlet rod of the insulating tube at the outlet end of the insulating tube and extends to the outer side of the insulating tube, the conductor outlet rod is in conductive connection with the flow guide part, and the outlet flange plate is in sealing connection with the outlet end of the insulating tube.
Furthermore, the pressure regulating assembly comprises a plurality of disc springs, the connecting end of the connecting plug is provided with a plurality of spring mounting cavities, one end of the laminated spring is abutted against the spring mounting cavities, and the other end of the laminated spring is abutted against the tail pipe.
The umbrella skirt pipe is sleeved on the periphery of the insulating pipe, and a plurality of umbrella skirts are convexly arranged on the outer surface of the umbrella skirt pipe; the voltage-sharing device comprises a plurality of voltage-sharing rings, and the voltage-sharing rings are sleeved on the insulating tube.
A cable assembly comprising a cable and a cable termination;
the cable terminal is the cable terminal, one end of the cable is exposed with the conductive contact, and the cable is inserted from the inlet end of the insulating tube so that the conductive contact is inserted into the metal socket.
Further, still include supplementary water conservancy diversion spare, supplementary water conservancy diversion spare is installed between conductive contact and the metal socket.
Further, the auxiliary flow guide piece is a flow guide spring ring.
The technical scheme of the invention has the following advantages:
1. the invention provides a cable terminal, which comprises an insulating tube, wherein the insulating tube comprises an inlet end and an outlet end, and insulating gas is filled in the insulating tube; the output assembly comprises a conductive outlet unit and an outlet end connecting piece, and the outlet end connecting piece is connected with the outlet end in a sealing manner; the current guide assembly penetrates through the insulating tube and comprises a current guide part and a metal socket connected with the current guide part, and the current guide part is in conductive connection with the conductive outlet unit; the input assembly comprises an inlet end connecting piece, a cable is inserted into the inlet end connecting piece in a penetrating mode, the direct current cable comprises a conductive contact arranged at the end portion of the direct current cable, the metal socket allows the conductive contact to be inserted, and the inlet end connecting piece is sleeved on the direct current cable and connected with the inlet end in a sealing mode. Insulating gas is filled in the insulating tube, so that the defect of oil leakage caused by oil-filled medium in the traditional cable terminal is avoided, and the risk of environmental pollution is reduced; adopt output assembly, water conservancy diversion subassembly and the mode that input assembly cooperated each other to be connected, whole cable termination structural design is reasonable, adopts the cable length that inflatable terminal need be cut and shelled to compare oil charge terminal length and shortens, under the prerequisite of guaranteeing the reliability, and the installation technology requirement is lower, effectively shortens overall structure installation time, has improved work efficiency.
2. The cable terminal provided by the invention further comprises a pressure adjusting assembly, and the pressure adjusting assembly is arranged between the inlet end connecting piece and the connecting plug. Through setting up pressure adjustment assembly, its pressure can be adjusted, after electric current water conservancy diversion portion is connected with metal socket, can be with the inseparable contact of connecting plug and cable, prolonged connecting plug's life.
3. In the cable terminal provided by the invention, the pressure regulating assembly comprises a plurality of disc springs, the connecting end of the connecting plug is provided with a plurality of spring mounting cavities, one end of the laminated spring is abutted against the spring mounting cavity, and the other end of the laminated spring is abutted against the tail pipe. The pressure spring assembly is set to be in a disc spring form, the disc springs are elastic and are distributed in a spiral mode in sequence, pressure larger than that of the spiral springs and relatively higher pressure adjusting precision can be provided, the disc springs are not prone to damage, when the pressure adjusting device is used, the connecting plug is pushed to the direction of the current guiding portion to be attached to the surface of the current guiding portion and is matched with the disc springs for use, contact interface pressure between the connecting plug and a cable is adjusted, and the situation that the cable is broken down to cause electric leakage and influence the abnormal work of external equipment due to the failure of a spring system is avoided.
4. The invention provides a cable assembly, comprising a cable and a cable terminal; the cable terminal is the cable terminal, one end of the cable is exposed with the conductive contact, and the cable is inserted into the insulating tube from the inlet end of the insulating tube so that the conductive contact is inserted into the metal socket. The cable terminal is in a pre-installation type, the cable is inserted into the metal socket of the cable terminal, the installation process is simplified, the production cost is reduced, the use safety is ensured, reliable electrical connection and enough insulation strength and mechanical supporting force are provided, under the thermal expansion effect of the connecting plug and the reinforced insulating part, the disc spring assembly can accurately adjust the interface pressure of the connecting plug and the reinforced insulating part, the pressure and the aging degree of the cable are reduced, and the service life of the cable assembly is effectively prolonged.
5. The invention provides a cable assembly, which further comprises an auxiliary flow guide part, wherein the auxiliary flow guide part is arranged between the conductive contact and the metal socket, and the auxiliary flow guide part is a flow guide spring ring. Through setting up the water conservancy diversion spring coil, it can keep cable and connecting plug to form good current return circuit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall apparatus of the cable assembly of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention;
FIG. 3 is an enlarged view of the connection structure of the auxiliary air guide member at the A position according to the present invention;
FIG. 4 is an enlarged view of the disc spring assembly at position B of the present invention;
description of reference numerals:
1. a cable; 101. a conductive contact;
2. an auxiliary flow guide member; 201. a guide spring ring;
3. an insulating tube; 301. an inlet end; 302. an outlet end;
4. an output component; 401. a conductive outlet unit; 402. an outlet end connecting piece;
5. a flow guide assembly; 501. a current guiding part; 502. a metal socket; 503. a connection socket; 5031. an insertion cavity;
6. an input component; 601. an inlet end connector; 6011. a tail pipe; 6012. an inlet end flange plate; 602. a connecting plug; 6021. a connecting end; 6022 inserting end; 6023. a reinforcing insulator;
7. a pressure regulating assembly; 701. a disc spring; 702. fixing the rod; 703. a spring mounting cavity;
8. an umbrella skirt tube; 801. an umbrella skirt.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "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, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
Examples
The invention discloses a cable assembly which is reasonable in overall structural design, simplifies the installation process, reduces the production cost, ensures the use safety, and provides reliable electrical connection and sufficient insulation strength and mechanical supporting force, and referring to fig. 1, the cable assembly comprises a cable 1, a cable terminal and an auxiliary flow guide member 2, wherein one end of the cable 1 is exposed with a conductive contact 101, the cable terminal is provided with an inlet end 301 and an outlet end 302, the cable 1 is inserted from the inlet end 301 so that the conductive contact 101 is inserted into the cable terminal, specifically, the auxiliary flow guide member 2 is a flow guide spring ring 201 which is installed between the conductive contact 101 and the cable terminal, and the flow guide spring ring 201 can keep a good current loop formed between the cable 1 and the cable terminal.
Referring to fig. 1 to 3, a cable terminal provided by the present invention is now described, which includes an insulating tube 3, an output member 4, a guide member 5, an input member 6, and a pressure regulating member 7, wherein the output member 4, the guide member 5, the input member 6, and the pressure regulating member 7 are installed inside the insulating tube 1, and wherein the insulating tube 1 is filled with an insulating gas, thereby providing a safe use environment for the output member 4, the guide member 5, the input member 6, and the pressure regulating member 7.
The insulating tube 3 comprises the inlet end 301 and the outlet end 302. In this embodiment, insulating tube 3 is a microscler straight tube, and its inside has the cavity, entry end 301 establishes the one end at the straight tube, exit end 302 establishes the other end at the straight tube, water conservancy diversion subassembly 5 is installed in the cavity of straight tube, input subassembly 6 sets up entry end 301 one side, output assembly 4 sets up exit end 302 one side, input subassembly 6 adopts the prepackage type structure, can conveniently install on the insulating tube, it is convenient to install, and reasonable in design has reduced installation time.
The output assembly 4 comprises a conductive outlet unit 401 and an outlet end connector 402, wherein the outlet end connector 401 is connected with the outlet end 302 in a sealing mode. In this embodiment, the outlet end connector 402 is an outlet end flange, the conductive outlet unit 401 is a conductor outlet rod, and the outlet end flange fixes the conductor outlet rod to the outlet end 302 of the insulating tube 3 and extends to the outside of the insulating tube 3, so that the conductor outlet rod is stably fixed on the insulating tube 3, and the installation is firm.
The current guiding assembly 5 is inserted into the insulating tube 3, and includes a current guiding portion 501, a metal socket 502 connected to the current guiding portion 501, and a connection socket 503, wherein the current guiding portion 501 is electrically connected to the conductive outlet unit 401, a through insertion cavity 5031 is formed in the connection socket 503, and one end of the insertion cavity 5031 is sleeved on the metal socket 502. In this embodiment, the current guiding portion 501 is a guiding rod, which is connected to the conductor outgoing rod, the metal socket 502 and the connecting socket 503 in sequence, the current-guiding rod, the connection socket 502 and the metal socket 503 are made of metal materials with good conductivity, in the process of connection, the conductor outgoing line rod is fixed at the outlet end of the insulating tube 3 by an outlet end flange plate, one end of the flow guide rod extends to the outlet end 302 of the insulating tube 3, and is in tight contact with one end of the conductor outgoing line rod in an abutting mode to realize the effect of current transmission, the other end of the flow guide rod is fixedly connected with the metal socket 502 through a bolt, then, the metal socket 502 is inserted into the insertion cavity 5031 of the connection socket 503, so as to achieve the effect of sequentially connecting the conductor outlet rod, the current-guiding rod, the metal socket and the connection socket.
The input assembly 6 includes an inlet connector 601 and a connection plug 602, the cable 1 is inserted into the inlet connector 601, the conductive contact 101 is disposed at an end of the cable 1, the metal socket 502 allows the conductive contact 101 to be inserted, the inlet connector 601 is sleeved on the cable 1 and is connected to the inlet 301 in a sealing manner, the cable 1 passes through the connection plug 602, the connection plug 602 includes a connection end 6021 and an insertion end 6022, the connection end 6021 is connected to the inlet connector 601, the conductive contact 101 is exposed from the insertion end 6022, and the connection plug 602 is inserted into the insertion cavity 5031 of the connection socket 503. In this embodiment, the inlet end connector 601 includes a tail pipe 6011 and an inlet end flange 6012, the tail pipe 6011 is sleeved on the cable 1, the inlet end flange 6012 fixes a tail pipe 3011 with the cable 1 on the inlet end 201 of the insulating tube 3 to achieve a fixed sealing effect, wherein the connecting plug 602 and the inlet end connector 601 are pre-assembled, that is, the inlet end flange 6012, the tail pipe 6011 and the connecting plug 602 are sequentially assembled and connected, in the installation process, the inlet end flange 6012 is first fixedly connected to the tail pipe 6011, then the connecting end 6021 of the connecting plug 602 is connected to the tail pipe 6011 to form a combined body, wherein the tail pipe 6011 fixes the connecting plug 602 between the tail pipe 6011 and the connecting socket 503, specifically, the inlet end flange 6012 fixes the connecting socket 503 at the inlet end 301 of the insulating tube 3, one end of the insertion cavity 5031 is sleeved and connected with the metal socket 502, the insertion end 6022 of the connection plug 602 is inserted into the other end of the insertion cavity 5031 of the connection socket 503, and the conductive contact 101 of the cable 1 penetrates through the tail tube 6011, the connection plug 602 and the insertion cavity 5031 of the connection socket 503 to reach the metal socket 502 and is electrically connected with the metal socket 502.
The connection plug 602 has an outer tapered surface that tapers in outer diameter from the connection end 6021 to the insertion end 6021, and the connection receptacle 503 has an inner tapered surface that mates with the outer tapered surface. In this embodiment, the connecting plug 602 is configured as an external conical surface, the connecting socket 503 is configured as an internal conical surface, and the external diameter of the external conical surface gradually decreases from the connecting end to the insertion end, the connecting socket 602 is mounted on the connecting socket 503, and then the cable 1 is inserted into the insertion end 6021 of the connecting plug 602 and inserted into the metal socket 502, so that the connecting structure is stable and the design is reasonable.
The connector plug 602 also includes a reinforcement insulator 6023, the reinforcement insulator 6023 being positioned at the insertion end 6021 of the connector plug 602, the conductive contacts 101 being disposed through the reinforcement insulator 6023. In this embodiment, through setting up reinforcing insulating part 6023, improved the insulating effect at cable termination, avoid conductive contact 101 the condition of electric leakage to appear in the use, guaranteed safe in utilizationly.
The pressure regulating assembly 7 is disposed between the inlet end connector 601 and the connector plug 602. In this embodiment, the pressure adjusting assembly 7 includes a plurality of disc springs 701, the connecting end 6021 of the connecting plug 602 is provided with a plurality of spring mounting cavities 703, one end of the laminated spring 703 abuts against the spring mounting cavity 703, and the other end abuts against the tail pipe 6011, wherein, after the convex parts of every two adjacent disc springs 701 are overlapped, a pair of disc springs is formed, two or more pairs of disc springs are sequentially arranged and then mounted inside the spring mounting cavity 703 through the fixing rod 702, one end of the disc spring 701 abuts against the tail pipe 6011, the other end abuts against the spring mounting cavity 703, and the spring mounting cavity 703 is opened inside the connecting plug 602, during the use, the supporting force of the disc springs 701 can adjust the interface pressure and the holding force of the plug at the connecting position after the connecting plug is connected with the metal socket and the cable by adjusting the spring size parameter and the torque of the fixing rod, the service life of the cable assembly is prolonged.
In the embodiment, the umbrella skirt pipe comprises an umbrella skirt pipe 8 and a pressure equalizing device, wherein the umbrella skirt pipe 8 is sleeved on the periphery of the insulating pipe 3, and a plurality of umbrella skirts 801 are convexly arranged on the outer surface of the umbrella skirt pipe 8; the voltage-sharing device comprises a plurality of voltage-sharing rings, and the voltage-sharing rings are sleeved on the insulating tube 3. The voltage-sharing device is arranged, the whole voltage field of the cable terminal can be balanced, no potential difference exists between all annular parts, the device is protected, the umbrella skirt is arranged, the waterproof effect is achieved when the cable is overhead outdoors, and the reliability of operation of the cable head is ensured. It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (13)

1. A cable termination, comprising:
the insulating tube comprises an inlet end and an outlet end, and insulating gas is filled in the insulating tube;
the output assembly comprises a conductive outlet unit and an outlet end connecting piece, and the outlet end connecting piece is connected with the outlet end in a sealing manner;
the current guide assembly penetrates through the insulating tube and comprises a current guide part and a metal socket connected with the current guide part, and the current guide part is in conductive connection with the conductive outlet unit;
the input assembly comprises an inlet end connecting piece, a cable is inserted into the inlet end connecting piece in a penetrating mode, the direct current cable comprises a conductive contact arranged at the end portion of the direct current cable, the metal socket allows the conductive contact to be inserted, and the inlet end connecting piece is sleeved on the direct current cable and connected with the inlet end in a sealing mode.
2. A cable termination according to claim 1, wherein: the flow guide assembly further comprises a connecting socket, a through insertion cavity is formed in the connecting socket, and one end of the insertion cavity is sleeved on the metal socket;
the input assembly further comprises a connecting plug, the cable penetrates through the connecting plug, the connecting plug comprises a connecting end and an inserting end, the connecting end is connected with the inlet end connecting piece, the conductive contact is exposed out of the inserting end, and the connecting plug is inserted into the inserting cavity.
3. A cable termination according to claim 2, wherein: the connecting plug is provided with an outer conical surface, the outer diameter of the outer conical surface is gradually reduced from the connecting end to the inserting end, the connecting socket is provided with an inner conical surface, and the inner conical surface is matched with the outer conical surface.
4. A cable termination according to claim 2, wherein: the connecting plug further comprises a reinforced insulating part, the reinforced insulating part is located at the inserting end of the connecting plug, and the conductive contact penetrates through the reinforced insulating part.
5. A cable termination according to any one of claims 2-4, wherein: still include pressure adjustment assembly, pressure adjustment assembly locates the entry end connecting piece with between the connecting plug.
6. A cable termination according to claim 5, wherein: the inlet end connecting piece comprises a tail pipe arranged at the connecting end of the connecting plug, the tail pipe is sleeved on the cable, and the tail pipe fixes the connecting plug between the tail pipe and the connecting socket.
7. A cable termination according to claim 6, wherein: the inlet end connecting piece further comprises an inlet end flange plate, and the connecting socket is fixed at the inlet end of the insulating pipe through the inlet end flange plate.
8. A cable termination according to claim 7, wherein: the outlet end connecting piece is an outlet end flange plate, the conductive outlet unit is a conductor outlet rod, the outlet end flange plate fixes the conductor outlet rod of the insulating tube at the outlet end of the insulating tube and extends to the outer side of the insulating tube, the conductor outlet rod is in conductive connection with the flow guide part, and the outlet flange plate is in sealing connection with the outlet end of the insulating tube.
9. A cable termination according to any one of claims 6 to 8, wherein: the pressure adjusting assembly comprises a plurality of disc springs, the connecting end of the connecting plug is provided with a plurality of spring mounting cavities, one end of each laminated spring is abutted against the spring mounting cavity, and the other end of each laminated spring is abutted against the tail pipe.
10. A cable termination according to claim 9, wherein: the umbrella skirt pipe is sleeved on the periphery of the insulating pipe, and a plurality of umbrella skirts are convexly arranged on the outer surface of the umbrella skirt pipe; the voltage-sharing device comprises a plurality of voltage-sharing rings, and the voltage-sharing rings are sleeved on the insulating tube.
11. A cable assembly comprising a cable and a cable termination;
wherein the cable termination is as claimed in any one of claims 1 to 7, an end of the cable being exposed with an electrically conductive contact, the cable being inserted from the inlet end of the insulating tube such that the electrically conductive contact is inserted into the metal socket.
12. A cable assembly as recited in claim 11, wherein: the metal socket is characterized by further comprising an auxiliary flow guide piece, wherein the auxiliary flow guide piece is installed between the conductive contact and the metal socket.
13. A cable assembly as recited in claim 12, wherein: the auxiliary flow guide piece is a flow guide spring ring.
CN201910719262.6A 2019-08-05 2019-08-05 Cable terminal and cable assembly with same Active CN110601124B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910719262.6A CN110601124B (en) 2019-08-05 2019-08-05 Cable terminal and cable assembly with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910719262.6A CN110601124B (en) 2019-08-05 2019-08-05 Cable terminal and cable assembly with same

Publications (2)

Publication Number Publication Date
CN110601124A true CN110601124A (en) 2019-12-20
CN110601124B CN110601124B (en) 2021-02-26

Family

ID=68853509

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910719262.6A Active CN110601124B (en) 2019-08-05 2019-08-05 Cable terminal and cable assembly with same

Country Status (1)

Country Link
CN (1) CN110601124B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1657795A1 (en) * 2004-11-12 2006-05-17 Pfisterer Kontaktsysteme GmbH & Co. KG Cable plug of a plug-type connection device for medium-voltage and high-voltage technics
CN2790001Y (en) * 2005-05-16 2006-06-21 长沙电缆附件有限公司 Connecting-disconnecting indoor and outdoor terminal for high voltage electric cable
CN101888047A (en) * 2009-05-11 2010-11-17 梁敬镐 Apparatus for connecting connection parts between power apparatuses
CN201877771U (en) * 2010-11-09 2011-06-22 安迪普科技(深圳)有限公司 Inner-cone pluggable cable terminal connecting device
CN105449620A (en) * 2014-07-23 2016-03-30 泰科电子(上海)有限公司 Dry-type power cable terminal
CN106486958A (en) * 2015-08-27 2017-03-08 泰科电子(上海)有限公司 Insulation terminal assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1657795A1 (en) * 2004-11-12 2006-05-17 Pfisterer Kontaktsysteme GmbH & Co. KG Cable plug of a plug-type connection device for medium-voltage and high-voltage technics
CN2790001Y (en) * 2005-05-16 2006-06-21 长沙电缆附件有限公司 Connecting-disconnecting indoor and outdoor terminal for high voltage electric cable
CN101888047A (en) * 2009-05-11 2010-11-17 梁敬镐 Apparatus for connecting connection parts between power apparatuses
CN201877771U (en) * 2010-11-09 2011-06-22 安迪普科技(深圳)有限公司 Inner-cone pluggable cable terminal connecting device
CN105449620A (en) * 2014-07-23 2016-03-30 泰科电子(上海)有限公司 Dry-type power cable terminal
CN106486958A (en) * 2015-08-27 2017-03-08 泰科电子(上海)有限公司 Insulation terminal assembly

Also Published As

Publication number Publication date
CN110601124B (en) 2021-02-26

Similar Documents

Publication Publication Date Title
KR101066526B1 (en) Connector insulation cap for a switch of asymmetrical structure
CN204905019U (en) Plug -in transformer bushing
CN106785766A (en) 90 ° of curved formula terminal shield electric-connectors
CN210723583U (en) Electric connector socket device and protective cover device thereof
CN100495845C (en) Intelligent monitoring ultrahigh voltage cable fittings
CN110380252B (en) Mineral insulated cable K1 type electrical connector assembly for nuclear power
CN110601124B (en) Cable terminal and cable assembly with same
CN107294030B (en) Tubular bus connecting structure
KR102397714B1 (en) Boltless disconnecting switch
CN110429402A (en) A kind of route prosthetic appliance
CN105070427A (en) Cross arm support voltage limiter for overhead line
CN210195412U (en) Cross arm and power transmission pole
CN113131432B (en) Explosion-proof plug-in capacitive cable outdoor terminal and preparation method
CN211790699U (en) Explosion-proof plug-in capacitive cable outdoor terminal
CN211456059U (en) Lightning protection electric connector
CN209375102U (en) A kind of cross connection grounding case with adjustable conductive connection plates
CN210016059U (en) Anti-interference shielding variable frequency cable compensation device with protection effect
CN109148233B (en) Interlocking protection device at intelligent high-voltage cable terminal
CN205982524U (en) Aerify insulation test device for cabinet
CN113675809B (en) Cable middle head connecting device
CN212366247U (en) T-shaped branch joint for high-voltage coaxial power cable
CN112467416B (en) Multifunctional weak current cable connector
CN211294761U (en) Insulator with protective cover
CN216794589U (en) 110kV oil-filled insulating sleeve outdoor terminal
CN209913173U (en) Large-current quick plug-pull connector and connector assembly

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