CN203415937U - Low voltage cable connection structure in nuclear power shell - Google Patents
Low voltage cable connection structure in nuclear power shell Download PDFInfo
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- CN203415937U CN203415937U CN201320406919.1U CN201320406919U CN203415937U CN 203415937 U CN203415937 U CN 203415937U CN 201320406919 U CN201320406919 U CN 201320406919U CN 203415937 U CN203415937 U CN 203415937U
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- nuclear power
- cable
- power shell
- voltage cable
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Abstract
The utility model discloses a low voltage cable connection structure in a nuclear power shell. The structure comprises a connection assembly and a protective layer, wherein the connection assembly can conductively connect a first cable and a second cable in parallel on a same end; 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 provided in the utility model, through the connection assembly, the first cable and the second cable which are arranged in parallel on the same end are connected conductively. The protective layer arranged on the external portion of the connection assembly is mainly used for insulation processing of a joint. Security of the low voltage cable connection structure in the nuclear power shell during a usage process is increased and then intermediate doubling connection of a low voltage cable 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, especially in the middle of the space application such as small machine, limit switch, valve, connect, the cable conduction to be connected that same one end need to be set up in parallel connects, and the connected mode of cable of the prior art cannot realize.
In sum, how to realize the middle doubling of low-voltage cable in nuclear power shell and connect, 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 the middle doubling of low-voltage cable in nuclear power shell and connect.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A low-voltage cable syndeton in shell, comprises for can conduct electricity doubling in same one end and connects the coupling assembling of the first cable and the second cable 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:
Conductive two terminals that are socketed on described the first cable and described the second cable end respectively;
For the connector that described terminal conduction is connected.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, on described terminal, be provided with terminal hole.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, described connector is bolt, by described terminal hole, connects described the first cable and described the second cable.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, described overcoat comprises:
Be coated on the insulated tube on described coupling assembling;
Sealed packet is overlying on the outer field V-type of described insulated tube and divides spider.
Preferably, in above-mentioned nuclear power shell in low-voltage cable syndeton, described insulated tube and described V-type are divided on the inwall of spider and are coated with nuclear power PUR.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, also comprise and be sheathed on the described minute outer field sealing cap of spider.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, described sealing cap is material contracting with heat.
Preferably, in above-mentioned nuclear power shell, in low-voltage cable syndeton, described insulated tube and described V-type divide spider to be material contracting with heat.
Relative above-mentioned background technology, low-voltage cable syndeton in nuclear power shell provided by the utility model, the first cable same one end being set up in parallel by coupling assembling is connected with the second cable conduction, the overcoat that is arranged at described coupling assembling outside is mainly used in the insulation processing of junction, improve low-voltage cable syndeton fail safe in use in nuclear power shell, and then realized the middle doubling connection of low-voltage cable in nuclear power shell.
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 the middle doubling of low-voltage cable in nuclear power shell and connect.
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.
In nuclear power shell provided by the utility model, low-voltage cable syndeton comprises coupling assembling and overcoat.
Wherein, to connect the end connecting of the first cable 1 and the second cable 2, the first cables 1 and the second cable 2 V-shaped for can conduct electricity doubling in same one end for coupling assembling, and have overcoat in the outer setting of coupling assembling.
Low-voltage cable syndeton in the nuclear power shell that the utility model embodiment provides, the doubling of can conducting electricity in same one end by coupling assembling connects the first cable 1 and the second cable 2, the overcoat that is arranged at described coupling assembling outside is mainly used in the insulation processing of junction, improve low-voltage cable syndeton fail safe in use in nuclear power shell, and then realized the middle doubling connection of low-voltage cable in nuclear power shell.
In a specific embodiment of the present utility model, the coupling assembling in nuclear power shell in low-voltage cable syndeton comprises terminal 3 and connector 4.
The conductive terminal 3 that is socketed with respectively in the end of the first cable 1 and the second cable 2, connector 4, for two terminals, 3 conductions are connected, is connected with the conduction of the second cable 2 thereby realize the first cable 1.
When splicing ear 3, first the insulating barrier of the first cable 1 and the second cable 2 ends is peelled off to appropriate length according to the degree of depth of terminal 3, then the first cable 1 and the second cable 2 are inserted respectively in respective terminal 3, completing terminal 3 is connected with the conduction of respective cable, the setting of terminal 3 is to make the first cable 1 and the easier quick connection of the second cable 2, finally that two terminals 3 are fixing by connector 4, realize conduction and connect, the conduction having completed between the first cable 1 and the second cable 2 connects.
Preferably, in the nuclear power shell that the utility model embodiment provides, in low-voltage cable syndeton, on terminal 3, be provided with terminal hole, connector 4 is bolt, by terminal hole, connects the first cable 1 and the second cable 2.
On the cored wire conductor of the first cable 1 and the second cable 2, be all connected with terminal 3, firm by Press Plier crimping, then the terminal hole on the first cable 1 to be connected and the corresponding terminal 3 of the second cable 2 is aligned, be finally bolted tight.
Low-voltage cable syndeton in the nuclear power shell that the utility model embodiment provides, at the end of cable to be connected conduction splicing ear 3, the connection requirement of relevant cables is converted to the connection of terminal 3 to be connected, on terminal 3, be provided with terminal hole, adopt the connectors such as bolt by terminal hole, terminal 3 to be connected to be connected, thereby realized the middle of cable to be connected, connect.
In a specific embodiment of the present utility model, the overcoat in nuclear power shell in low-voltage cable syndeton comprises that insulated tube 5 and V-type divide spider 6.
Wherein, insulated tube 5 is coated on the outside of coupling assembling, and V-type divides spider 6 sealed packets to be overlying on insulated tube 5 skins.Preferably, insulated tube 5 and V-type divide spider 6 to be material contracting with heat.
Low-voltage cable syndeton in the nuclear power shell that the utility model embodiment provides, after cable conduction to be connected being connected by connector, because connector has certain conductivity, from the angle of connection safety, consider, coated outside overcoat at connector, main purpose is to realize effective leakage protection, insulated tube 5 and V-type divide spider 6 all to adopt material contracting with heat, first insulated tube 5 is enclosed within on connector, heating fixes insulated tube 5 contractions, reduced to a certain extent the inner gap of insulated tube 5, then, divide spider 6 to be enclosed within the skin of insulated tube 5 pyrocondensation, bifurcated root at cable to be connected adds heat fixation, guaranteed insulated enclosure.
In order further to improve insulation and sealing effectiveness, in a specific embodiment of the present utility model, in low-voltage cable syndeton, insulated tube 5 and V-type are divided on the inwall of spider 6 and are coated with nuclear power PUR in nuclear power shell, make insulated tube 5 and V-type divide the inside of spider 6 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 and is sheathed on the outer field sealing cap 7 of minute spider 4, and preferred, sealing cap 7 is material contracting with heat.
Low-voltage cable syndeton in the nuclear power shell that the utility model embodiment provides, by sealing cap 7, carry out secondary protection, played better protection against the tide, anticorrosion and sealing effect, can better guarantee the stable operation of insulation system long-term safety of layered composite structure, meet the user demand of the V-shaped connection of low-voltage cable in nuclear power shell.
Above low-voltage cable syndeton in 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, comprises for can conduct electricity doubling in same one end and connects the coupling assembling of the first cable (1) and the second cable (2) 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:
Conductive two terminals (3) that are socketed on described the first cable (1) and described the second cable (2) end respectively;
For the connector (4) that two described terminals (3) conduction is connected.
3. low-voltage cable syndeton in nuclear power shell as claimed in claim 2, is characterized in that, described terminal is provided with terminal hole on (3).
4. low-voltage cable syndeton in nuclear power shell as claimed in claim 3, is characterized in that, described connector (4) is bolt, by described terminal hole, connects described the first cable (1) and described the second cable (2).
5. 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 (5) on described coupling assembling;
Sealed packet is overlying on the outer field V-type of described insulated tube (5) and divides spider (6).
6. low-voltage cable syndeton in nuclear power shell as claimed in claim 5, is characterized in that, described insulated tube (5) and described V-type are divided on the inwall of spider (6) and be coated with nuclear power PUR.
7. low-voltage cable syndeton in nuclear power shell as claimed in claim 5, is characterized in that, also comprises and is sheathed on the described minute outer field sealing cap of spider (4) (7).
8. low-voltage cable syndeton in nuclear power shell as claimed in claim 7, is characterized in that, described sealing cap (7) is material contracting with heat.
9. low-voltage cable syndeton in nuclear power shell as claimed in claim 5, is characterized in that, described insulated tube (5) and described V-type divide spider (6) to be material contracting with heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406919.1U CN203415937U (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 |
|---|---|---|---|
| CN201320406919.1U CN203415937U (en) | 2013-07-08 | 2013-07-08 | Low voltage cable connection structure in nuclear power shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203415937U true CN203415937U (en) | 2014-01-29 |
Family
ID=49978796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320406919.1U Expired - Lifetime CN203415937U (en) | 2013-07-08 | 2013-07-08 | Low voltage cable connection structure in nuclear power shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203415937U (en) |
-
2013
- 2013-07-08 CN CN201320406919.1U patent/CN203415937U/en not_active Expired - Lifetime
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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: 20161012 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. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
|
| CX01 | Expiry of patent term |