CN201994438U - 35kV shielded separable connector - Google Patents
35kV shielded separable connector Download PDFInfo
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- CN201994438U CN201994438U CN2010206943105U CN201020694310U CN201994438U CN 201994438 U CN201994438 U CN 201994438U CN 2010206943105 U CN2010206943105 U CN 2010206943105U CN 201020694310 U CN201020694310 U CN 201020694310U CN 201994438 U CN201994438 U CN 201994438U
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Abstract
The utility model provides a 35kV shielded separable connector, which comprises at least two identical T-shaped separable connectors and at least one intermediate connector, wherein the horizontal part of each T-shaped separable connector is provided with a first cavity and a second cavity in a horizontal direction, with the first cavity and the second cavity being mutually communicated, the vertical part of each T-shaped separable connector is provided with a third cavity in a vertical direction, and each T-shaped separable connector is bilaterally symmetrical relative to the longitudinal axis of the third cavity; a conducting unit is prefabricated in each T-shaped separable connector, arranged between the first cavity and the second cavity, and communicated with the third cavity; the intermediate connector comprises a insulating coat and a hollow conducting rod sleeved in the insulating coat; the insulating coat is bilaterally symmetrical, with the left part and the right part being adaptive with the first cavity and the second cavity respectively; and two ends of the conducting rod are respectively fixedly connected with a connecting piece. The 35kV shielded separable connector has good electrical performance effect and can realize multistage extension.
Description
Technical field
The utility model relates to a kind of electric cable fitting, the outer separable connector of bevel-type of particularly a kind of 35kV.
Background technology
Connector is applicable to the turnover line terminal of loop-network switch cabinet, links to each other with the insulating base of switch, also is applicable to various cable branch box and box-type substation device.Along with the transformation and the expansion of urban distribution network, separable connector is had higher requirement.The extended method of the separable connector of shield type of existing 30kV and following electric pressure mainly contains two kinds: a kind of is directly to use the separable connector of rear loading type to be connected on the separable connector of front inserting, with this realize can branch downlink connection device expansion, but this structure causes separable connector very strict to installation method and installation environment requirement when being used for the 35kV system, otherwise very easily, cause the overall performance instability because the installation of back plug is inserted interface generation distortion and had air gap before and after causing; Another kind is to adopt epoxy bilateral sleeve pipe as intermediate connector, and the deficiency of this epoxy bushing structure is that through-current capability is limited, dielectric strength is good, strict to installation process inadequately, and different with separable connector material and make the interface performance instability.The separable connector of the shield type of above-mentioned employing epoxy bushing because the limitation of structural design can only realize the two-stage expansion, can not be realized three grades and above multistage expansion, and this has just greatly limited to the scope of application of separable connector.In order to realize the multistage expansion of the separable connector of 35kV shield type, there is research institution once to imagine and attempts using connector a kind of hard, that can not break to realize multistage expansion, but owing to the structure of connector can not cause through-current capability not reach requirement with forward and backward connector formation good electrical contact.Therefore, in the prior art, the multistage expansion of the separable connector of 35kV shield type remains a technological gap.
The utility model content
The purpose of this utility model is to provide a kind of rational in infrastructure, safe and reliable, the separable connector of 35kV shield type that can realize multistage expansion.
For reaching above-mentioned purpose, the utility model adopts following technical scheme: the separable connector of a kind of 35kV shield type, it is characterized in that, comprise at least two identical "T"-shaped separable connectors and at least one intermediate connector, described any intermediate connector connects any two "T"-shaped separable connectors;
First cavity that the horizontal component along continuous straight runs of described any "T"-shaped separable connector is provided with and is interconnected, shape is identical and second cavity, described first cavity and second cavity connect the horizontal component of "T"-shaped separable connector, vertically part vertically is provided with the 3rd cavity, and described "T"-shaped separable connector is with respect to the longitudinal axis left-right symmetric of the 3rd cavity; Be shaped on conductive unit in advance in described any "T"-shaped separable connector, described conductive unit is arranged between first cavity and second cavity, and is communicated with the 3rd cavity;
Described any intermediate connector comprises insulating coating and is sheathed on the interior hollow conducting rod of insulating coating; Described insulating coating left-right symmetric, left-half and right-hand component are suitable with described first cavity and second cavity respectively; The two ends of described conducting rod are fixedly connected with connector respectively.
"T"-shaped separable connector is the left-right symmetric structure, and inserts before not needing to be divided into or insert the back, and is very convenient when using assembling, simultaneously for multistage expansion provides may; The conducting rod of intermediate connector and insulating coating can break, and can guarantee the excellent electric contact of conducting rod during assembling.
More particularly, described first cavity, second cavity are tubaeform, and the less end of described horn opening connects described conductive unit; Described insulating coating is the little cone in two broad in the middle.Flaring opening setting, insulating coating inserts than being easier to.
As preferably, the bigger end of the described first cavity horn opening is in the side of "T"-shaped separable connector horizontal component, and enlarged-diameter forms the longitudinal cross-section and is "] " opening of shape; The bigger end of the described second cavity horn opening is in the side of "T"-shaped separable connector horizontal component, and enlarged-diameter forms the longitudinal cross-section and is " the opening of [" shape; Described insulating coating is that mid portion is provided with a circle protruding circular ring, the little cone in two broad in the middle.Such structure, insulating coating can be tightr when being connected with first cavity or second cavity.
Described "T"-shaped separable connector and insulating coating are "T"-shaped separable connector and the insulating coatings that adopts same material to make.Preferred material is a silastic material.Insulating coating adopts the insulating material identical with separable connector, can avoid the material difference to cause the interface performance problem of unstable.
Described insulating coating inner surface is provided with internal shield, the thickness 〉=1.5mm of described internal shield; Described internal shield extends to the whole end face of described insulating coating one side.
Described connector is meant stud, fixedlys connected by screw thread with stud respectively in the two ends of described conducting rod.Such connected mode is convenient and swift, connects stable.
In second cavity of the described "T"-shaped separable connector that is arranged in least significant end, also insert the insulation plug, the shape of described insulation plug insertion end and described second cavity are suitable.
Be provided with a container cavity in the described insulation plug insertion end, the shape of described container cavity and described connector are suitable.
The extended method of the above-mentioned separable connector of 35kV shield type is characterized in that, comprises the steps:
The first step, at the 3rd cavity insertion cable of all "T"-shaped separable connectors, described cable is inserted in the conductive unit by conducting terminal;
Second step was connected to first cavity of a "T"-shaped separable connector on the switch cubicle sleeve pipe, by connector a conducting rod was connected on the switch cubicle conductor;
In the 3rd step, second cavity insertion with the "T"-shaped separable connector of insulating coating left end from second step is enclosed within the conducting rod outside;
In the 4th step, the right-hand member of the insulating coating of up-to-date connection before again first cavity of a "T"-shaped separable connector being inserted in links to each other another conducting rod by connector with the up-to-date conducting rod that is connected before;
In the 5th step, second cavity of insulating coating left end from the "T"-shaped separable connector of up-to-date connection before inserted the conducting rod outside of up-to-date connection before being enclosed within;
In the 6th step, repeat above-mentioned the 4th step to the 5th step, until the progression that reaches required expansion;
In the 7th step, in second cavity of the "T"-shaped separable connector that is arranged in least significant end, insert and the fixed insulation plug.
As above operation can realize the multistage expansion of the separable connector of 35kV shield type.
The utility model possesses following outstanding advantage and effect with respect to prior art:
1, the utility model has been realized the multistage expansion of the separable connector of 35kV shield type by changing the structure of separable connector and intermediate connector;
2, the utility model is by being arranged to intermediate connector the detachable structure of conducting rod and insulating coating, not only guaranteed the good of electric conductivity, and the feasible assembling of elasticity that the insulating material of silicon rubber has is tightr, has reached the effect that improves the electric property of product.
3, the processing technology of insulating coating of the present utility model adopts the conical surface not have the pattern of matched moulds seam, has avoided the influence of matched moulds seam to the interface.
4, the internal shield of insulating coating of the present utility model adopts Shooting Technique, and thickness 〉=1.5mm has avoided the spraying coating process spraying inhomogeneous and shield easy ruined shortcoming.
5, the internal shield of the utility model insulating coating not only connects the body endoporus of this insulating coating, and extends to the whole end face of one side, guarantees that like this internal shield can have enough contacts area with the line ear of stube cable.
Description of drawings
Fig. 1 is the decomposing schematic representation that the separable connector of 35kV shield type of the present utility model is used for the two-stage expansion;
Fig. 2 is the structural representation of insulating coating among Fig. 1;
Wherein, 1 for the switch cubicle sleeve pipe, 2 for stud, 3 for "T"-shaped separable connector, 4 for conducting rod, 5 for insulating coating, 6 for insulation plug, 7 be first cavity, 8 be second cavity, 9 be the 3rd cavity, 10 for conductive unit, 11 for "] " the shape opening, 12 for " [" shape opening, 13 for protruding circular ring, 14 for container cavity, 15 be that first cable, 16 is the internal shields of second cable, 17 for being provided with in the insulating coating.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment one
The exploded view that the separable connector of 35kV shield type of the present utility model is used for two-stage expansion comprises two identical "T"-shaped separable connectors 3 and an intermediate connector as shown in Figure 1, and intermediate connector connects two "T"-shaped separable connectors; First cavity 7 that the horizontal component along continuous straight runs of "T"-shaped separable connector 3 is provided with and is interconnected, shape is identical and second cavity 8, first cavity 7 and second cavity 8 connect the horizontal component of "T"-shaped separable connector, vertically part vertically is provided with the 3rd cavity 9, and "T"-shaped separable connector is with respect to the longitudinal axis left-right symmetric of the 3rd cavity 9; Be shaped on conductive unit 10 in advance in the "T"-shaped separable connector, conductive unit 10 is arranged between first cavity and second cavity, and is communicated with the 3rd cavity; First cavity, second cavity are tubaeform, and the less end of horn opening connects conductive unit 10; The bigger end of first cavity, 7 horn openings is at the left surface of "T"-shaped separable connector horizontal component, and enlarged-diameter forms the longitudinal cross-section and is "] " opening 11 of shape; The bigger end of the second cavity horn opening is at the right flank of "T"-shaped separable connector horizontal component, and enlarged-diameter forms the longitudinal cross-section and is " the opening 12 of [" shape;
Intermediate connector comprises insulating coating 5 and is sheathed on the interior hollow conducting rod 4 of insulating coating; Insulating coating 5 left-right symmetric, left-half and right-hand component are suitable with first cavity 7 and second cavity 8 respectively; Insulating coating 5 is provided with a circle protruding circular ring 13, the little cone in two broad in the middle for mid portion, projection annulus 13 is stuck in the opening of two continuous " [" shape opening and "] " shapes during installation, insulating coating 5 inner surfaces are provided with internal shield 17, internal shield 17 also extends to the whole end face of one side, its thickness 〉=1.5mm from the inner surface of insulating coating.The two ends of conducting rod 4 are connected with connector respectively, and connector adopts stud, and the two ends of conducting rod are provided with screw thread, fixedly connected by screw thread with stud respectively."T"-shaped separable connector and insulating coating all adopt silastic material to make.
The separable connector of 35kV shield type of the present utility model is used for the two-stage expansion and is achieved in that
The first step is inserted first, second cable 15 and 16 at the 3rd cavity of two "T"-shaped separable connectors, and described cable is inserted in the conductive unit 10 by conducting terminal;
Second step, first cavity of first "T"-shaped separable connector 3 is connected on the switch cubicle sleeve pipe 1, by stud 2 the hollow conducting rod 4 of article one is connected on the switch cubicle conductor, the junction just in time is the position at conductive unit 10 places, to realize electric connection;
The 3rd step, second cavity of first insulating coating left end from first "T"-shaped separable connector inserted, be enclosed within hollow conducting rod 4 outsides; At this moment, the right side of the right half part of first insulating coating and article one conducting rod 4 is reserved in first "T"-shaped separable connector outside for half section;
The 4th step, first cavity of second "T"-shaped separable connector 3 is inserted in the right-hand member of first insulating coating, by stud the hollow conducting rod of second is linked to each other with the hollow conducting rod of article one, the junction just in time is the position at conductive unit 10 places, to realize electric connection;
The 5th step, second cavity of second insulating coating left end from second "T"-shaped separable connector inserted, be enclosed within the hollow conducting rod of second outside;
In the 6th step, in second cavity of second "T"-shaped separable connector, insert and fixed insulation plug 6; The shape and described second cavity of insulation plug insertion end are suitable, are provided with a container cavity in the insulation plug insertion end, and the shape of container cavity is suitable with the stud that the conducting rod end is connected;
Embodiment two
The separable connector of 35kV shield type of the present utility model can also be used for multistage expansion, and concrete steps are as follows:
The first step, at the 3rd cavity insertion cable of all "T"-shaped separable connectors, described cable is inserted in the conductive unit by conducting terminal;
Second step was connected to first cavity of a "T"-shaped separable connector on the switch cubicle sleeve pipe, by connector a conducting rod was connected on the switch cubicle conductor;
In the 3rd step, second cavity insertion with the "T"-shaped separable connector of insulating coating left end from second step is enclosed within the conducting rod outside;
In the 4th step, the right-hand member of the insulating coating of up-to-date connection before again first cavity of a "T"-shaped separable connector being inserted in links to each other another conducting rod by connector with the up-to-date conducting rod that is connected before;
In the 5th step, second cavity of insulating coating left end from the "T"-shaped separable connector of up-to-date connection before inserted the conducting rod outside of up-to-date connection before being enclosed within;
In the 6th step, repeat above-mentioned the 4th step to the 5th step, until the progression that reaches required expansion;
In the 7th step, in second cavity of the "T"-shaped separable connector that is arranged in least significant end, insert and the fixed insulation plug.
As above operation can realize the multistage expansion of the separable connector of 35kV shield type.Wherein, the structure of "T"-shaped separable connector, hollow conducting rod, connector, insulating coating, insulation plug etc. is with embodiment one.
The foregoing description is the utility model preferred implementation; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (9)
1. the separable connector of 35kV shield type is characterized in that, comprises at least two identical "T"-shaped separable connectors and at least one intermediate connector, and described any intermediate connector connects any two "T"-shaped separable connectors;
First cavity that the horizontal component along continuous straight runs of described any "T"-shaped separable connector is provided with and is interconnected, shape is identical and second cavity, described first cavity and second cavity connect the horizontal component of "T"-shaped separable connector, vertically part vertically is provided with the 3rd cavity, and described "T"-shaped separable connector is with respect to the longitudinal axis left-right symmetric of the 3rd cavity; Be shaped on conductive unit in advance in described any "T"-shaped separable connector, described conductive unit is arranged between first cavity and second cavity, and is communicated with the 3rd cavity;
Described any intermediate connector comprises insulating coating and is sheathed on the interior conducting rod of insulating coating; Described insulating coating left-right symmetric, left-half and right half part are suitable with described first cavity and second cavity respectively; The two ends of described conducting rod are fixedly connected with connector respectively.
2. the separable connector of 35kV shield type according to claim 1 is characterized in that described first cavity, second cavity are tubaeform, and the less end of described horn opening connects described conductive unit; Described insulating coating is the little cone in two broad in the middle.
3. the separable connector of 35kV shield type according to claim 2 is characterized in that, the bigger end of the described first cavity horn opening is in the side of "T"-shaped separable connector horizontal component, and enlarged-diameter forms the longitudinal cross-section and is "] " opening of shape; The bigger end of the described second cavity horn opening is in the side of "T"-shaped separable connector horizontal component, and enlarged-diameter forms the longitudinal cross-section and is " the opening of [" shape; Described insulating coating is that mid portion is provided with a circle protruding circular ring, the little cone in two broad in the middle.
4. the separable connector of 35kV shield type according to claim 3 is characterized in that, described "T"-shaped separable connector and insulating coating are "T"-shaped separable connector and the insulating coatings that adopts same material to make.
5. the separable connector of 35kV shield type according to claim 4 is characterized in that, described "T"-shaped separable connector and insulating coating are meant "T"-shaped separable connector and the insulating coating that silastic material is made.
6. the separable connector of 35kV shield type according to claim 5 is characterized in that described insulating coating inner surface is provided with internal shield, the thickness 〉=1.5mm of described internal shield; Described internal shield extends to the whole end face of described insulating coating one side.
7. the separable connector of 35kV shield type according to claim 1 is characterized in that described connector is meant stud, fixedlys connected by screw thread with stud respectively in the two ends of described conducting rod.
8. according to the separable connector of each described 35kV shield type in the claim 1 to 7, it is characterized in that, in second cavity of the described "T"-shaped separable connector that is arranged in least significant end, also insert the insulation plug, the shape of described insulation plug insertion end and described second cavity are suitable.
9. the separable connector of 35kV shield type according to claim 8 is characterized in that, is provided with a container cavity in the described insulation plug insertion end, and the shape of described container cavity and described connector are suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206943105U CN201994438U (en) | 2010-12-31 | 2010-12-31 | 35kV shielded separable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206943105U CN201994438U (en) | 2010-12-31 | 2010-12-31 | 35kV shielded separable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994438U true CN201994438U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206943105U Expired - Fee Related CN201994438U (en) | 2010-12-31 | 2010-12-31 | 35kV shielded separable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142623A (en) * | 2010-12-31 | 2011-08-03 | 广东吉熙安电缆附件有限公司 | 35kV shielding type separable connector and expansion method thereof |
-
2010
- 2010-12-31 CN CN2010206943105U patent/CN201994438U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142623A (en) * | 2010-12-31 | 2011-08-03 | 广东吉熙安电缆附件有限公司 | 35kV shielding type separable connector and expansion method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20161231 |