CN103532081B - Stress cone and capacitive composite insulating high-voltage cable terminal for overhead line - Google Patents
Stress cone and capacitive composite insulating high-voltage cable terminal for overhead line Download PDFInfo
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- CN103532081B CN103532081B CN201310446976.7A CN201310446976A CN103532081B CN 103532081 B CN103532081 B CN 103532081B CN 201310446976 A CN201310446976 A CN 201310446976A CN 103532081 B CN103532081 B CN 103532081B
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Abstract
The invention discloses a stress cone and capacitive composite insulating high-voltage cable terminal for an overhead line. The cable terminal comprises a shielding case, an outlet fitting, a conductive tube, a connecting piece, a cable, a stress cone structure, a capacitive insulator and a flange, wherein the top end of the shielding case protrudes to form a connecting part; the outlet fitting is connected with the connecting part; one end of the conductive tube is connected with the inner wall of the shielding case, and the other end of the conductive tube is fixedly connected with the connecting piece; the connecting piece is fixedly connected with a conductor of a cable; the stress cone structure is arranged outside the cable; the capacitor insulator covers the conductive tube and the stress cone structure; one end of the capacitive insulator is connected with the flange; the stress cone structure and the cable are fixed by the flange. According to the stress cone and capacitive composite insulating high-voltage cable terminal for the overhead line, the cable terminal is insulated and sealed through the stress cone structure and the capacitive insulator, so that the electric field distribution on a shielding cut-off part of the cable terminal is improved, and the problem of uniform distribution of an insulating electric field outside the cable terminal can be excellently solved through the capacitive insulator.
Description
Technical field
The present invention relates to the stress cone type of aerial line and condenser type compound insulation type high tension cable in a kind of power system
Terminal.
Background technology
At present, in power system, the hv cable termination being connected with aerial line, mainly stress cone type, its dry type
Product is to use silicone rubber, integrates the integral prefabricated cable termination of stress cone, full skirt and insulation, and shortcoming is without rigidity.Its
Oily formula product is that insulating oil is filled in insulated sleeve, and shortcoming is heavier, has oil leak hidden danger.The stress cone type being connected with aerial line
The intrinsic shortcoming of hv cable termination is：Although improving the Electric Field Distribution that cable termination shields cut-off part, without fine
Solve cable termination external insulation electric fields uniform distribution problem.
The content of the invention
It is an object of the invention to provide a kind of can solve the problem that the built on stilts of cable termination external insulation electric fields uniform distribution problem
The stress cone type of line and condenser type compound insulation type hv cable termination.
For achieving the above object, the present invention provides a kind of stress cone type of aerial line and condenser type compound insulation type high pressure
Cable termination, including radome, outlet gold utensil, contact tube, connector, cable, stress wimble structure, capacitor type insulating body and method
It is blue.Radome top has protruded out connecting portion, and outlet gold utensil is connected with the connecting portion.Contact tube one end is connected with radome inwall,
The contact tube other end is fixedly connected with connector.Connector is fixedly connected with the conductor of cable.Stress cone knot is provided with outside cable
Structure.Capacitor type insulating body coated with conductive pipe and stress wimble structure, capacitor type insulating body one end are connected with flange, flange fixed stress
Wimble structure and cable.
Preferably, the capacitance plate of the capacitor type insulating body is progressively prolonging at the stress wimble structure from inside to outside
Long, the capacitance plate of the condenser type insulator is progressively shortening from inside to outside near the outlet gold utensil side, and the capacitor type is exhausted
The innermost layer capacitance plate of edge body and the contact tube isoelectric level, outermost layer capacitance plate and the flange of the capacitor type insulating body
Isoelectric level.
Preferably, the capacitor type insulating is provided with sheath in vitro, is provided with full skirt outside the sheath.
Preferably, the connector is cylindrical, and the connector one end is placed in the contact tube and is formed with contact tube
It is fixedly connected, the connector other end offers fixing groove, the conductor of the cable is contained in the fixing groove and the connector
Form a fixed connection.
Preferably, connecting tube has been protruded out on the outside of described contact tube one end, the connecting tube is fixed with the radome inwall and connected
Connect, this is contact tube and the integrally formed situation of connecting cylinder.Certainly, connecting tube can also be single element, i.e. contact tube institute
Stating and connecting tube is provided with the outside of contact tube one end, the connecting tube is fixedly connected with the radome inwall.
Preferably, the stress wimble structure includes stress cone, stress taper bushing and fixture, and the stress cone is coated on institute
State on cable, the stress cone sleeve pipe is placed on outside the stress cone, the stress taper bushing is fixed by the fixture.
Preferably, the fixture includes cone support, holddown spring and spring bracket, and the cone support holds stress taper bushing, described
Holddown spring one end is fixed with cone support, and the holddown spring other end is fixed with spring bracket, and the spring bracket is fixed on the flange.
Preferably, the cable lower is cased with tail pipe, and the tail pipe one end is fixed with the flange.
For achieving the above object, the present invention provides the stress cone type and condenser type compound insulation type height of another kind of aerial line
Voltage cable terminal, including radome, outlet gold utensil, conductive pole, contact tube, connector, cable, stress wimble structure, capacitor type be exhausted
Edge body and flange.Conductive pole passes through radome.Conductive pole one end is connected with outlet gold utensil, and the conductive pole other end is connected with contact tube
Connect.Contact tube one end is fixedly connected with connector, and connector is fixedly connected with the conductor of cable.Stress cone knot is provided with outside cable
Structure.Capacitor type insulating body coated with conductive pipe and stress wimble structure, capacitor type insulating body one end are connected with flange.Flange fixed stress
Wimble structure and cable.
The stress cone type of aerial line of the present invention passes through stress wimble structure with condenser type compound insulation type hv cable termination
Insulated enclosure is carried out to cable termination with capacitor type insulating body, not only improves the Electric Field Distribution that cable termination shields cut-off part, and
And cable termination external insulation electric fields uniform distribution problem is solved well by capacitor type insulating body.
Description of the drawings：
Fig. 1 is the stress cone type and condenser type compound insulation type hv cable termination embodiment 1 of aerial line of the present invention
Profile；
Fig. 2 is partial enlarged drawing of the terminal at I shown in Fig. 1.
Specific embodiment
By describing technology contents of the invention, structural features in detail, realizing purpose and effect, below in conjunction with embodiment
And coordinate accompanying drawing to be explained in detail.
Embodiment 1
Fig. 1 and Fig. 2 is referred to, the stress cone type and condenser type compound insulation type high pressure of aerial line of the present invention is there is disclosed
The embodiment 1 of cable termination, including radome 1, outlet gold utensil 2, contact tube 3, connector 4, cable 5, stress wimble structure 6, electricity
Appearance type insulator 7 and flange 8.
Radome 1 is generally circular hood-like, and its top has protruded out connecting portion 11 upwards, and outlet gold utensil 2 is connected with connecting portion 11
Connect.Radome 1 is covered on contact tube 3.3 one end of contact tube is connected with 1 inwall of radome, 3 other end of contact tube and connector 4
It is fixedly connected.Connector 4 is fixedly connected with the conductor 51 of cable 5.Stress cone structure 6 is provided with outside cable 5.Capacitor type insulating body
7 coated with conductive pipes 3 and stress wimble structure 6.7 one end of capacitor type insulating body is connected with flange 8,8 fixed stress wimble structure of flange, 6 He
Cable 5.
Preferably, the capacitance plate of capacitor type insulating body 7 is progressively extending at stress wimble structure 6 from inside to outside, electric capacity
The capacitance plate of formula insulator 7 is progressively shortening from inside to outside near 2 side of outlet gold utensil, the innermost layer electric capacity of capacitor type insulating body 7
Screen and 3 isoelectric level of contact tube, outermost layer capacitance plate and 8 isoelectric level of flange of capacitor type insulating body 7.
Preferably, the capacitor type insulating body 7 is externally provided with sheath 9, is provided with full skirt 10 outside the sheath 9.
Preferably, connecting tube 31 has been protruded out on the outside of 3 one end of the contact tube, the connecting tube 31 is fixed with 1 inwall of radome
Connection, this is the situation that contact tube 3 is integrally formed with connecting tube.Certainly, connecting tube 31 can also be single element, i.e., described
Contact tube is provided with connecting tube 31 on the outside of 3 one end, and the connecting tube 31 is fixedly connected with 1 inwall of radome.
In the present embodiment, connector 4 is cylindrical, and 4 one end of connector is placed in contact tube 3 and is formed with contact tube 3
It is fixedly connected.4 other end of connector offers fixing groove 41, and the conductor 51 of cable 5 is contained in fixing groove 41 and 4 shape of connector
Into being fixedly connected.
In the present embodiment, stress wimble structure 6 includes stress cone 61, stress taper bushing 62 and fixture 63.Stress cone 61
It is coated on cable 5, stress taper bushing 62 is placed on outside stress cone 61, stress taper bushing 62 is fixed by fixture 63.
Preferably, the fixture 63 includes cone support 631, holddown spring 632 and spring bracket 633.Cone support 631 holds stress cone
Sleeve pipe 62.632 one end of holddown spring is fixed with cone support 631, and 632 other end of holddown spring is fixed with spring bracket 633.Spring bracket 633 is solid
On flange 8.
Preferably, 5 lower end of cable is cased with tail pipe 12, and 12 one end of tail pipe is fixed with flange 8.
Embodiment 2
The present embodiment 2 is similar to Example 1, and its difference is：Conductive pole is further included, conductive pole passes through radome,
Conductive pole one end is connected with outlet gold utensil, and the conductive pole other end is connected with contact tube.This is the stress cone of aerial line of the present invention
The conversion of formula and condenser type compound insulation type hv cable termination embodiment 1.
In sum, the stress cone type of aerial line of the present invention passes through to answer with condenser type compound insulation type hv cable termination
Power wimble structure 6 and capacitor type insulating body 7 carry out insulated enclosure to cable termination, not only improve the electricity that cable termination shields cut-off part
Field distribution, and cable termination external insulation electric fields uniform distribution problem is solved well by capacitor type insulating body 7.
Above-mentioned specific embodiment is the invention is not limited in, those skilled in the art can also make various accordingly
Change, but any be equal to or similar change should all be covered within the scope of the claims with of the invention.
Claims (9)
1. a kind of stress cone type of aerial line and condenser type compound insulation type hv cable termination, it is characterised in that：Including screen
Cover cover, outlet gold utensil, contact tube, connector, cable, stress wimble structure, capacitor type insulating body and flange, the radome top
Connecting portion is protruded out, the outlet gold utensil is connected with the connecting portion, and described contact tube one end is connected with the radome inwall, institute
State the contact tube other end to be fixedly connected with connector, the connector is fixedly connected with the conductor of the cable, outside the cable
The stress wimble structure is provided with, the capacitor type insulating body coats the contact tube and stress wimble structure, capacitor type insulating body
One end is connected with flange, and the flange fixes the stress wimble structure and cable；The capacitance plate of the capacitor type insulating body is being leaned on
Progressively extend at the nearly stress wimble structure from inside to outside, the capacitance plate of the condenser type insulator is near the outlet gold utensil
Side is progressively shortened from inside to outside, the innermost layer capacitance plate of the capacitor type insulating body and the contact tube isoelectric level, the electric capacity
The outermost layer capacitance plate of type insulator and the flange isoelectric level.
2. the stress cone type of aerial line according to claim 1 and condenser type compound insulation type hv cable termination, its
It is characterised by：The capacitor type insulating is provided with sheath in vitro, is provided with full skirt outside the sheath.
3. the stress cone type of aerial line according to claim 2 and condenser type compound insulation type hv cable termination, its
It is characterised by：The connector is cylindrical, and the connector one end is placed in the contact tube and forms fixed company with contact tube
Connect, the connector other end offers fixing groove, the conductor of the cable is contained in the fixing groove and forms solid with the connector
It is fixed to connect.
4. the stress cone type of aerial line according to claim 1 and condenser type compound insulation type hv cable termination, its
It is characterised by：Connecting tube is protruded out on the outside of described contact tube one end, the connecting tube is fixedly connected with the radome inwall.
5. the stress cone type of aerial line according to claim 1 and condenser type compound insulation type hv cable termination, its
It is characterised by：Connecting tube is provided with the outside of described contact tube one end, the connecting tube is fixedly connected with the radome inwall.
6. the stress cone type of aerial line according to claim 1 and condenser type compound insulation type hv cable termination, its
It is characterised by：The stress wimble structure includes stress cone, stress taper bushing and fixture, and the stress cone is coated on the cable
On, the stress cone sleeve pipe is placed on outside the stress cone, and the stress taper bushing is fixed by the fixture.
7. the stress cone type of aerial line according to claim 6 and condenser type compound insulation type hv cable termination, its
It is characterised by：The fixture includes cone support, holddown spring and spring bracket, and the cone support holds stress taper bushing, the compression bullet
Spring one end is fixed with cone support, and the holddown spring other end is fixed with spring bracket, and the spring bracket is fixed on the flange.
8. the stress cone type of aerial line according to claim 1 and condenser type compound insulation type hv cable termination, its
It is characterised by：The cable lower is cased with tail pipe, and the tail pipe one end is fixed with the flange.
9. a kind of stress cone type of aerial line and condenser type compound insulation type hv cable termination, it is characterised in that：Including screen
Cover, outlet gold utensil, conductive pole, contact tube, connector, cable, stress wimble structure, capacitor type insulating body and flange are covered, it is described to lead
Electric post passes through radome, and described conductive pole one end is connected with the outlet gold utensil, the conductive pole other end and the contact tube
Connection, described contact tube one end are fixedly connected with connector, and the connector is fixedly connected with the conductor of the cable, the electricity
The stress wimble structure is provided with outside cable, the capacitor type insulating body coats the contact tube and stress wimble structure, and capacitor type is exhausted
Edge body one end is connected with flange, and the flange fixes the stress wimble structure and cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446976.7A CN103532081B (en) | 2013-09-20 | 2013-09-20 | Stress cone and capacitive composite insulating high-voltage cable terminal for overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446976.7A CN103532081B (en) | 2013-09-20 | 2013-09-20 | Stress cone and capacitive composite insulating high-voltage cable terminal for overhead line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103532081A CN103532081A (en) | 2014-01-22 |
| CN103532081B true CN103532081B (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310446976.7A Active CN103532081B (en) | 2013-09-20 | 2013-09-20 | Stress cone and capacitive composite insulating high-voltage cable terminal for overhead line |
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| CN (1) | CN103532081B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743053B (en) * | 2014-12-08 | 2019-02-05 | 北京瑞恒新源投资有限公司 | A kind of capacitance type cable terminal being not filled with dielectric |
| CN106469594B (en) * | 2015-08-19 | 2018-05-29 | 北京天威瑞恒高压套管有限公司 | Bushing shell for transformer |
| CN106921143A (en) * | 2017-04-28 | 2017-07-04 | 孔奇 | A kind of supporting rigid terminal of medium and high voltage cable |
| CN109449834B (en) * | 2018-11-05 | 2024-03-22 | 厦门市众慧悦和科技有限公司 | Quick power supply connecting device for 10kV overhead distribution line |
| CN110224367A (en) * | 2019-07-04 | 2019-09-10 | 中车青岛四方车辆研究所有限公司 | A kind of EMU hv cable termination |
| CN110190578A (en) * | 2019-07-04 | 2019-08-30 | 中车青岛四方车辆研究所有限公司 | A kind of structure of voltage regulation for EMU hv cable termination |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0651918B1 (en) * | 1992-07-20 | 1996-04-24 | Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co. Kg | Elastically deformable insulating and sealing body for cable plugs and the like |
| CN101064422A (en) * | 2006-04-24 | 2007-10-31 | 王钰 | Prefabricated high-voltage cable terminal |
| CN202034749U (en) * | 2011-03-23 | 2011-11-09 | 上海永锦电力电器有限公司 | High voltage crosslinking cable composite coat cable terminal |
| CN102856873A (en) * | 2011-06-30 | 2013-01-02 | 泰科电子(上海)有限公司 | Stress cone component and high-voltage cable connector component |
| CN203491653U (en) * | 2013-09-20 | 2014-03-19 | 天津沃尔法电力设备有限公司 | Stress cone type and capacitance type combined insulation high-voltage cable terminal for aerial wire |
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2013
- 2013-09-20 CN CN201310446976.7A patent/CN103532081B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0651918B1 (en) * | 1992-07-20 | 1996-04-24 | Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co. Kg | Elastically deformable insulating and sealing body for cable plugs and the like |
| CN101064422A (en) * | 2006-04-24 | 2007-10-31 | 王钰 | Prefabricated high-voltage cable terminal |
| CN202034749U (en) * | 2011-03-23 | 2011-11-09 | 上海永锦电力电器有限公司 | High voltage crosslinking cable composite coat cable terminal |
| CN102856873A (en) * | 2011-06-30 | 2013-01-02 | 泰科电子(上海)有限公司 | Stress cone component and high-voltage cable connector component |
| CN203491653U (en) * | 2013-09-20 | 2014-03-19 | 天津沃尔法电力设备有限公司 | Stress cone type and capacitance type combined insulation high-voltage cable terminal for aerial wire |
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| Publication number | Publication date |
|---|---|
| CN103532081A (en) | 2014-01-22 |
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