CN203415938U - Low voltage cable connection structure in nuclear power shell - Google Patents
Low voltage cable connection structure in nuclear power shell Download PDFInfo
- Publication number
- CN203415938U CN203415938U CN201320406942.0U CN201320406942U CN203415938U CN 203415938 U CN203415938 U CN 203415938U CN 201320406942 U CN201320406942 U CN 201320406942U CN 203415938 U CN203415938 U CN 203415938U
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- terminal
- nuclear power
- power shell
- low
- cable
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Abstract
The utility model discloses a low voltage cable connection structure in a nuclear power shell. The structure is characterized in that the structure comprises a connection assembly and a protective layer, wherein the connection assembly is used to make a single core cable and a two-core cable form conductive butt joint; the protective layer is arranged on an external portion of the connection assembly. By using the low voltage cable connection structure in the nuclear power shell of the utility model, through the connection assembly, the single core cable and the two-core cable form conductive butt joint; simultaneously the protective layer is arranged on the external portion of the connection assembly so as to guarantee security of a connection structure during a usage process. Therefore, connection between the single core cable and the two-core cable in low voltage cable connection in the nuclear power shell is realized.
Description
Technical field
The utility model relates to electric cable accessories processing technique field is installed, particularly low-voltage cable syndeton in a kind of nuclear power shell.
Background technology
Generation Ⅲ nuclear power station is due to the raising of requirement of system design, the performance connecting in the middle of nuclear power shell inner cable has been proposed to further requirement, in prior art, the connection of the cable of nuclear power station is generally terminal connection, and the connected mode that terminal connects cannot directly apply to the middle connection of low-voltage cable in nuclear power shell in generation Ⅲ nuclear power technology, being connected between especially a kind of cable and another kind of cable, therefore, in nuclear power shell low-voltage cable connect in being connected in the prior art and cannot realizing between single-core cable and twin cable.
In sum, how to realize low-voltage cable in nuclear power shell connect in being connected between single-core cable and twin cable, become those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide low-voltage cable syndeton in a kind of nuclear power shell, can realize low-voltage cable in nuclear power shell connect in being connected between single-core cable and twin cable.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A low-voltage cable syndeton in shell, comprise for single-core cable and twin cable can be conducted electricity docking coupling assembling and be arranged at the overcoat of described coupling assembling outside.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, described coupling assembling comprises:
The conductive the first terminal that is socketed on the link of described single-core cable;
Conductive the second terminal and the 3rd terminal that is socketed on two links of described twin cable respectively;
The connector that connects described the first terminal, the second terminal and the 3rd terminal for conducting electricity.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, on described the first terminal, the second terminal and the 3rd terminal, be provided with the terminal hole being fixedly connected with for connector.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, described connector is bolt.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, described the first terminal is fixed between described the second terminal and described the 3rd terminal.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, described overcoat comprises:
Be coated on the insulated tube of described coupling assembling outside;
Be coated on the junction of described twin cable, and be overlapped in the outer field y-branch cover of described insulated tube.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, on the inwall of described insulated tube and described y-branch cover, be coated with nuclear power PUR.
Preferably, in above-mentioned nuclear power shell in low-voltage cable syndeton, also comprise being coated on described insulated tube and described y-branch overlaps outer field protecting pipe simultaneously.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, described insulated tube, y-branch cover and protecting pipe are material contracting with heat.
Relative above-mentioned background technology, low-voltage cable syndeton in nuclear power shell provided by the utility model, by coupling assembling, single-core cable and twin cable can be conducted electricity to docking, outer setting at coupling assembling has overcoat simultaneously, for guaranteeing syndeton fail safe in use, so realized low-voltage cable in nuclear power shell connect in being connected between single-core cable and twin cable.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is low-voltage cable syndeton schematic diagram in nuclear power shell provided by the utility model.
Embodiment
Core of the present utility model is to provide low-voltage cable syndeton in a kind of nuclear power shell, can realize low-voltage cable in nuclear power shell connect in being connected between single-core cable and twin cable.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Incorporated by reference to Fig. 1, Fig. 1 is low-voltage cable syndeton schematic diagram in nuclear power shell provided by the utility model.
Low-voltage cable syndeton in nuclear power shell provided by the utility model, comprises coupling assembling and overcoat.
Wherein, coupling assembling is for conducting electricity single-core cable 1 and twin cable 2 docking, and the end connecting of single-core cable 1 and twin cable 2 is Y type, and overcoat is arranged at coupling assembling outside.
Low-voltage cable syndeton in the nuclear power shell that the utility model embodiment provides, by coupling assembling, single-core cable 1 and twin cable 2 can be conducted electricity to docking, outer setting at coupling assembling has overcoat simultaneously, for guaranteeing syndeton fail safe in use, so realized low-voltage cable in nuclear power shell connect in being connected between single-core cable 1 and twin cable 2.
In a specific embodiment of the present utility model, the coupling assembling in nuclear power shell in low-voltage cable syndeton comprises the first terminal 11, the second terminal 21, the 3rd terminal 22 and connector 3.
The conductive link that is socketed on single-core cable 1 of the first terminal 11, the second terminal 21 and the 3rd terminal 22 be conductive two links that are socketed on twin cable 2 respectively, and connector 3 connects the first terminal 11, the second terminal 21 and the 3rd terminal 22 for conducting electricity.
When the first terminal 11 is connected with single-core cable 1, first by the insulating barrier of single-core cable 1 link according to the degree of depth of the first terminal 11 suitable length of pruning, then single-core cable 1 is inserted in the first terminal 11, utilize crimper crimping firm, the conduction that realizes the two connects, and mode when connected mode when the second terminal 21 and the 3rd terminal 22 are connected in the link of twin cable 2 is connected in single-core cable 1 with the first terminal 11 is identical.Finally that the first terminal 11, the second terminal 21 and the 3rd terminal 22 is fixing by connector 3, realize single-core cable and be connected with the conduction between twin cable.
Preferably, in the interior low-voltage cable syndeton of nuclear power shell that the utility model embodiment provides, on the first terminal 11, the second terminal 21 and the 3rd terminal 22, be provided with the terminal hole being fixedly connected with for connector 3, and connector 3 is bolt, by terminal hole, connect single-core cable 1 and twin cable 2, in connection procedure, the first terminal 11, the second terminal 21 and the 3rd terminal 22 upper terminal holes are aligned, by bolt, the first terminal 11 is anchored between the second terminal 21 and the 3rd terminal 22.
Low-voltage cable syndeton in the nuclear power shell that the utility model embodiment provides, in the end of single-core cable to be connected 1 and twin cable 2, corresponding conduction is connected with the first terminal 11, the second terminal 21 and the 3rd terminal 22, convert the connection requirement of relevant cables to connection between the first terminal to be connected 11, the second terminal 21 and the 3rd terminal 22, thereby realized easily the conducted electricity docking between single-core cable 1 and twin cable 2.
In a specific embodiment of the present utility model, the overcoat in nuclear power shell in low-voltage cable syndeton comprises insulated tube 4 and y-branch cover 5.
Wherein insulated tube 4 is coated on coupling assembling outside, and y-branch cover 5 is coated on the junction of twin cable 2, and is overlapped in insulated tube 4 skins, preferred, and insulated tube 4 and y-branch cover 5 are material contracting with heat.
Low-voltage cable syndeton in the nuclear power shell that the utility model embodiment provides, after single-core cable to be connected 1 being connected with twin cable 2 conductions by connector, because connector has certain conductivity, from connecting safe angle, consider, outside in syndeton is provided with overcoat, insulated tube 4 is coated on coupling assembling outside, y-branch cover 5 is coated on the junction of twin cable 2 simultaneously, and be overlapped in the skin of insulated tube 4, main purpose is to realize effective leakage protection, insulated tube 4 and y-branch cover 5 are material contracting with heat, insulated tube 4 fixes by heat shrink, reduce the space of insulating barrier inside, the y-branch cover 5 bifurcated roots that are enclosed within twin cable 2 add heat fixation, for leakage protection, guaranteed the insulated enclosure of annexation.
In order further to improve insulation and sealing effectiveness, in a specific embodiment of the present utility model, on the inwall of the insulated tube 4 in nuclear power shell in low-voltage cable syndeton and y-branch cover 5, be coated with nuclear power PUR, make the inside of insulated tube 4 and y-branch cover 5 there is no gap.
For further optimisation technique scheme, in a specific embodiment of the present utility model, low-voltage cable syndeton in nuclear power shell also comprises being coated on insulated tube 4 and y-branch overlaps 5 outer field protecting pipes 6, preferred, protecting pipe 6 is material contracting with heat simultaneously.
Low-voltage cable syndeton in the nuclear power shell that the utility model embodiment provides, by protecting pipe 6, carry out secondary protection, play better protection against the tide, anticorrosion and sealing function, can better guarantee the stable operation of insulation system long-term safety of layered composite structure, meet low-voltage cable in nuclear power shell and be the user demand that Y type connects.
Above low-voltage cable syndeton in a kind of nuclear power shell provided by the utility model is described in detail.Applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (9)
1. a low-voltage cable syndeton in nuclear power shell, is characterized in that, comprise for single-core cable (1) and twin cable (2) can be conducted electricity docking coupling assembling and be arranged at the overcoat of described coupling assembling outside.
2. low-voltage cable syndeton in nuclear power shell as claimed in claim 1, is characterized in that, described coupling assembling comprises:
The conductive the first terminal (11) that is socketed on the link of described single-core cable (1);
Conductive the second terminal (21) and the 3rd terminal (22) that is socketed on two links of described twin cable (2) respectively;
Be used for conducting electricity and connect the connector (3) of described the first terminal (11), the second terminal (21) and the 3rd terminal (22).
3. low-voltage cable syndeton in nuclear power shell as claimed in claim 2, is characterized in that, on described the first terminal (11), the second terminal (21) and the 3rd terminal (22), is provided with the terminal hole being fixedly connected with for connector (3).
4. low-voltage cable syndeton in nuclear power shell as claimed in claim 3, is characterized in that, described connector (3) is bolt.
5. low-voltage cable syndeton in nuclear power shell as claimed in claim 4, is characterized in that, described the first terminal (11) is fixed between described the second terminal (21) and described the 3rd terminal (22).
6. low-voltage cable syndeton in nuclear power shell as claimed in claim 1, is characterized in that, described overcoat comprises:
Be coated on the insulated tube (4) of described coupling assembling outside;
Be coated on the junction of described twin cable (2), and be overlapped in the outer field y-branch cover of described insulated tube (4) (5).
7. low-voltage cable syndeton in nuclear power shell as claimed in claim 6, is characterized in that, on the inwall of described insulated tube (4) and described y-branch cover (5), is coated with nuclear power PUR.
8. low-voltage cable syndeton in nuclear power shell as claimed in claim 7, is characterized in that, also comprises and is coated on described insulated tube (4) and the outer field protecting pipe of described y-branch cover (5) (6) simultaneously.
9. low-voltage cable syndeton in nuclear power shell as claimed in claim 8, is characterized in that, described insulated tube (4), y-branch cover (5) and protecting pipe (6) are material contracting with heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406942.0U CN203415938U (en) | 2013-07-08 | 2013-07-08 | Low voltage cable connection structure in nuclear power shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406942.0U CN203415938U (en) | 2013-07-08 | 2013-07-08 | Low voltage cable connection structure in nuclear power shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203415938U true CN203415938U (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320406942.0U Expired - Lifetime CN203415938U (en) | 2013-07-08 | 2013-07-08 | Low voltage cable connection structure in nuclear power shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203415938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123965A (en) * | 2017-05-21 | 2017-09-01 | 深圳市罗庚电气有限公司 | A kind of 35kV prefabricated cables transition joint |
| CN113561405A (en) * | 2021-06-18 | 2021-10-29 | 福泰科塑料技术（无锡）有限公司 | Manufacturing process of integrated Y-shaped double-end connecting wire |
-
2013
- 2013-07-08 CN CN201320406942.0U patent/CN203415938U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123965A (en) * | 2017-05-21 | 2017-09-01 | 深圳市罗庚电气有限公司 | A kind of 35kV prefabricated cables transition joint |
| CN107123965B (en) * | 2017-05-21 | 2019-09-20 | 深圳市罗庚电气有限公司 | A kind of 35kV prefabricated cable transition joint |
| CN113561405A (en) * | 2021-06-18 | 2021-10-29 | 福泰科塑料技术（无锡）有限公司 | Manufacturing process of integrated Y-shaped double-end connecting wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160930 Address after: 130000 No. 1666 Air North Street, Gaoxin North Zone, Jilin, Changchun Patentee after: CHANGCHUN KINWA HIGH TECHNOLOGY CO.,LTD. Address before: 130000 Torch Road 286, hi tech Development Zone, Jilin, Changchun Patentee before: CHINA-KINWA HIGH TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
|
| CX01 | Expiry of patent term |