CN1885639A - Three-phase power cable connector - Google Patents
Three-phase power cable connector Download PDFInfo
- Publication number
- CN1885639A CN1885639A CNA2006100363405A CN200610036340A CN1885639A CN 1885639 A CN1885639 A CN 1885639A CN A2006100363405 A CNA2006100363405 A CN A2006100363405A CN 200610036340 A CN200610036340 A CN 200610036340A CN 1885639 A CN1885639 A CN 1885639A
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- China
- Prior art keywords
- socket
- connector
- latch
- power cable
- cable connector
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Abstract
The provided small three-phase cable connector comprises a main body with at least independent three column channels every pre-buried metal plug and a fit bolt as screw form and pawl top opening, wherein the outside wall of connector is flange segmental column-form. This invention has well voltage endurance feature, and fit to wide application.
Description
Technical field:
The present invention relates to the electric equipment of power cable, is a kind of three-phase power cable connector that is applicable to oily transformer, oil switch and SF6 electric equipment.
Background technology:
When existing three-phase electrical cable is connected with equipment such as oily transformer, oil switchs, generally all adopt split type multipart compound mode, parts are many, and volume is big, and installation and maintenance are not only numerous and diverse but also inconvenient.China Patent No. is 200420020971.4 to disclose a kind of " buried transformer high-voltage cable connector ", though it possesses the advantage that three-phase plugs simultaneously, though but parts are little various, its electrification in high voltage part compressive resistance is low simultaneously, need the plastic insulation support to isolate, also need to pour into dielectric and could pass through AC voltage withstand test.
Summary of the invention:
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of volume little, possess that connection performance, voltage endurance that threephase cable plugs together are good, main body does not need to increase other parts and medium just can be by the three-phase power cable connector of AC voltage withstand test.
For achieving the above object, technical scheme provided by the invention is: connector body is by the solid insulating material manufacturing, and the inside of connector body is evenly distributed to lacks three independently cylindricality ducts, and the main body insulation system is finished in the mould inside manufacturing.Each need not increase other parts between mutually or other medium comes reinforced insulation during work.Be embedded with metal consent in each hole, the upper end of this socket is combined with latch, socket and latch are by the conductive metallic material manufacturing, described socket upper end open is claw type, the plug of latch cooperates with this latch and is fixed by positioning sleeve, latch and positioning sleeve be as auxiliary equipment, during connector to be installed, is crimped on each phase cable core end again.
When this connector was installed on the housing of oil switch or SF6 switch, the screw-rod structure of its lower end was immersed in insulating oil or the SF6 gas.Outside three phase mains can pass through power cable, and this connector is introduced on plug-in ground, and is fixedly attached to the inside of power equipment housing from the other end of this connector.Be electric equipments such as transformer or oil switch, a kind of reliability height, little, the easy-to-install three-phase power cable connector of volume are provided.
The main body of this connector on internal structure, the first, possess the independently cylindricality duct of equivalent length, make the three-phase electrified body that original spacing is very near, each creepage distance lengthening between mutually, thereby possess higher electric strength.Do not need to increase any insulating element or medium, connector body itself just can pass through AC voltage withstand test.The second, be external structure, its appearance is flanged (FLGD) segmentation cylindricality, the user can be by to the sealing of flange section be fixed, main body is fixed on the housing of power equipment, and the screw-rod structure of its lower end is immersed in the dielectric, realization is fixedlyed connected with transformer or oil switch.
Latch of this connector and socket be the size of the hole portion of the size of the pin portion of its latch and socket structurally, according to international DIN47636-24-250 standard manufacture, reliably guarantees the reliability that it is electrically connected fully.The upper end of socket possesses the elasticity of claw type and its underpart is a screw rod, and what promptly guarantee conduction integratedly possesses the reliable and convenient of connection again.The original creation design of latch and positioning sleeve makes the plug of this connector more smooth and easy and reliable.
Description of drawings:
Fig. 1 is a cutaway view of the present invention;
Fig. 2 is a vertical view of the present invention;
Fig. 3 is the three-dimensional analysis of the present invention structural representation;
Fig. 4 is a latch perspective view of the present invention;
Fig. 5 is a socket perspective view of the present invention;
Fig. 6 is a mounting structure cutaway view of the present invention;
Fig. 7 is mounting structure explosion views of the present invention.
Embodiment:
See Fig. 1～shown in Figure 3, connector body: profile is the segmentation cylindricality that has flange, and internal structure is divided into four sections: first section in the upper end, is the bigger cylindricality duct 1 of diameter, and length is shorter.Second section at the middle part, is at least three independently cylindricality duct 2, and length is long: they are evenly distributed on the lower end in duct 1, and the upper end all is communicated with duct 1, and the lower end in duct 2 then is communicated with less duct 3 respectively independently.The 3rd section also at the middle part, is less duct 3, and length is shorter: its upper end is communicated with duct 2 respectively independently, and inside center has socket 4.The 4th section in the lower end, is pre-buried section: in connector body, be embedded with the socket 4 with duct 3 correspondences, socket 4 upper ends reach in the duct 3, and the insulating material outside in main body is stretched out in the lower end of socket 4.
See Fig. 4～shown in Figure 5, latch and receptacle combinations: be made up of socket 4, latch 5, positioning sleeve 6 three parts: socket 4 upper ends are claw types of opening, and size and latch 5 cooperate, and the stage casing is embedded in the insulating material, the lower end is a screw-rod structure, is convenient to compress with nut with external cable be connected.Latch 5 upper ends are prefabricated into the size to be cooperated with cable core, the geomery of lower end and socket 4 corresponding matching, and stage casing and positioning sleeve 6 cooperate.
See Fig. 6～shown in Figure 7, during installation, at first threephase cable 7 is all assembled terminal, the good latch 5 of crimping on the core at cable termination 8 tops, at latch stage casing stationary positioned cover 6, then threephase cable integral body is pushed connector body, make three-phase latch 5 pass through second section of connector body respectively, socket 4 in through the 3rd section 3 inserts in the socket 4 each phase latch 5 respectively.Like this, at the screw rod end of the socket 4 of connector body lower end, just can realize the connection that three-phase is electric.
The embodiment of the above is preferred embodiment of the present invention only, is not to limit practical range of the present invention with this, so the equivalence that all shapes according to the present invention, structure and principle are done changes, all should be covered by in protection scope of the present invention.
Claims (2)
1, three-phase power cable connector, include connector body, it is characterized in that: the middle-end of the inside of connector body is evenly distributed to lacks three independently cylindricality ducts, be embedded with metal consent in each hole, the upper end of this socket is combined with latch, and the outer wall of connector is flanged (FLGD) segmentation cylindricality.
2, three-phase power cable connector according to claim 1 is characterized in that: the socket upper end open is claw type, and main body is a screw shaped; The plug of latch cooperates with this socket and is fixed by positioning sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100363405A CN100444478C (en) | 2006-07-04 | 2006-07-04 | Three-phase power cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100363405A CN100444478C (en) | 2006-07-04 | 2006-07-04 | Three-phase power cable connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1885639A true CN1885639A (en) | 2006-12-27 |
| CN100444478C CN100444478C (en) | 2008-12-17 |
Family
ID=37583666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100363405A Ceased CN100444478C (en) | 2006-07-04 | 2006-07-04 | Three-phase power cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100444478C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345470B (en) * | 2008-09-04 | 2011-01-12 | 铁道部运输局 | Current transformer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3959869A (en) * | 1974-03-29 | 1976-06-01 | Amerace Corporation | Apparatus for the remote grounding, connection and disconnection of high voltage electrical circuits |
| CN86203018U (en) * | 1986-05-17 | 1987-01-21 | 机械工业部上海电缆研究所 | Flame-proof high-voltage cable coupler used in mine |
| JPH1083858A (en) * | 1996-09-10 | 1998-03-31 | Japan Aviation Electron Ind Ltd | High voltage connector |
| CN1210380A (en) * | 1997-08-28 | 1999-03-10 | 徐晓鹰 | Three-pin power cable plug |
| CN2483873Y (en) * | 2001-04-19 | 2002-03-27 | 王建新 | Straight high-voltage cable plug |
| CN2919577Y (en) * | 2006-07-04 | 2007-07-04 | 佛山市南海长园吉斯安电气有限公司 | Triphase electric power cable linker |
-
2006
- 2006-07-04 CN CNB2006100363405A patent/CN100444478C/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345470B (en) * | 2008-09-04 | 2011-01-12 | 铁道部运输局 | Current transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100444478C (en) | 2008-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20101029 Decision number of declaring invalidation: 15442 Granted publication date: 20081217 |