CN203813395U - Anti-thunder cable terminal box - Google Patents
Anti-thunder cable terminal box Download PDFInfo
- Publication number
- CN203813395U CN203813395U CN201320639841.8U CN201320639841U CN203813395U CN 203813395 U CN203813395 U CN 203813395U CN 201320639841 U CN201320639841 U CN 201320639841U CN 203813395 U CN203813395 U CN 203813395U
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- China
- Prior art keywords
- casing
- case lid
- cable terminal
- terminal box
- left part
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Abstract
The utility model discloses an anti-thunder cable terminal box, and the cable terminal box comprises a box body and a box cover hinged to the box body. An enclosed space is formed between the box body and the box cover. The interior of the box body is provided with a partitioning plate which partitions the box body into a left box body and a right box body. The top and bottom surfaces of the left box body are respectively provided with a wire hole. The left box body comprises a plurality of insulators, a plurality of copper bars, and a transparent insulating cover plate. The insulators are uniformly fixed on the inner surface of the bottom of the left box body. The copper bars are parallel to each other and are supported on the insulators. The transparent insulating cover plate covers all the copper bars. The interior of the right box body is provided with a plurality of fuses and a plurality of surge protection devices, wherein each fuse is electrically connected with the corresponding surge protection device. The cable terminal box provided by the utility model solves the problems that the interior of the cable terminal box is unusually crowd, wires are disordered, a basic safety distance cannot be guaranteed, and a surge protection device heats during degradation. The cable terminal box can achieve the remote monitoring of the conditions of the cable terminal box, is reasonable in design, is reasonable in devices in the box, and is safe and reliable.
Description
Technical field
The utility model relates to cable junction box, relates in particular to a kind of lighning proof type cable terminal box.
Background technology
According to GB50057-2010 < < building lightning protection, relate to standard > > and lightning protection center pertinent regulations, building feed cable point of incoming cables need be installed surge protector and be carried out equipotential connection, a lot of building units are checked and accepted in order to obtain lightening protection engineering, in existing cable terminal box, install surge protector additional, cause in cable terminal box extremely crowded, wire is chaotic, sometimes connecting the most basic safe distance all cannot guarantee, and can generate heat when surge protector is deteriorated, if without quarantine measures, the use safety of serious threat termination rack, maintainable very poor.
Utility model content
Technical problem to be solved in the utility model: for the defect of prior art and the lighning proof type cable terminal box that a kind of security performance, unfailing performance and maintainability performance are high is provided.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of lighning proof type cable terminal box, comprise casing and be hinged on the case lid on described casing, described casing and case lid form a confined space, on described case lid, there is safety guard, in described casing, be provided with a dividing plate casing is divided into left part casing and right part casing, described dividing plate offers some lines hole, at least one entrance hole is offered in the bottom surface of described left part casing, the end face of described left part casing is offered at least one wire hole, described left part casing comprises some insulators, some copper bars and a transparent insulation cover plate, described insulator is fixed on the inner surface at the bottom of the case that is evenly arranged on described left part casing, each copper bar is parallel to each other and is supported on described insulator, wherein having a copper bar is protective earthing line copper bar, the two ends of this protective earthing line copper bar connect respectively the protective earthing line in inlet wire cable and outlet cable, the two ends of all the other copper bars connect respectively phase line and the zero line in inlet wire cable and outlet cable, described inlet wire cable is entered in left part casing by the entrance hole in left part tank floor, and described outlet cable is drawn left part casing by the wire hole on described left part box top, described transparent insulation cover plate covers described all copper bars, some fuses and some surge protectors are installed in described right part casing, each fuse all with the corresponding electrical connection of a surge protector, some fuses are connected respectively to except on protective earthing line copper bar by some the first wires respectively, and all surge protectors are all connected on described protective earthing line copper bar by some the second wires, described the first wire and the second wire are through the line hole on described dividing plate.
In a preferred embodiment of the present utility model; also comprise a remote signalling warning device; described remote signalling warning device is electrically connected to each surge protector, and described remote signalling warning device has remote interface, can report to the police by red green indicator light or far-end voice guard or remote-end alarm lamp.
In a preferred embodiment of the present utility model, described case lid comprises left part case lid and right part case lid, wherein, the left side of described left part case lid is movably articulated in the left side of described casing, be used for sealing described left part casing, the right side of described right part case lid is movably articulated in the right side of described casing, for sealing described right part casing.
In a preferred embodiment of the present utility model, described casing hangs and arranges.
In a preferred embodiment of the present utility model, on described left part case lid and right part case lid, be provided with one case lock.
In a preferred embodiment of the present utility model, on described right part case lid, be provided with a transparent visual window, this transparent visual window be positioned at described surge protector directly over.
In a preferred embodiment of the present utility model, the two ends of described copper bar are provided with for the fixing lock screw of phase line, zero line and protective earthing line.
In a preferred embodiment of the present utility model, described casing and case lid adopt the thick cold-rolled steel sheet of 1.5mm to make.
Owing to having adopted technical scheme as above, the beneficial effects of the utility model are:
1, surge protector and cable copper bar are isolated by dividing plate, have effectively avoided affecting due to copper bar heating the working condition of surge protector;
2, to be provided with preposition protective device be fuse to surge protector, protected better surge protector, improved the fail safe of cable terminal box;
3, the copper bar in cable terminal box is used the capping of transparent insulation plate, the fail safe that has further improved cable terminal box;
4, the operating state of the transparent visual window observable surge protector on case lid;
5, cable terminal box has remote signalling warning device, can realize the situation of remote monitoring cable terminal box;
6, cable connects employing high-quality copper bar and high strength insulator, has improved the reliability of cable terminal box;
7, cable terminal box is reasonable in design, and in case, device distributes rationally, safe and reliable.
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 front view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is vertical view of the present utility model.
Fig. 4 is that the utility model removes the structural representation after case lid.
Fig. 5 is electrical schematic diagram of the present utility model.
Fig. 6 is the schematic diagram of remote signalling warning device of the present utility model.
Fig. 7 is the circuit diagram of the normal condition of remote signalling warning device of the present utility model.
Fig. 8 is the circuit diagram of the alarm condition of remote signalling warning device of the present utility model.
Fig. 9 is the circuit diagram of the embodiment 1 of remote signalling warning device of the present utility model.
Figure 10 is the circuit diagram of the embodiment 2 of remote signalling warning device of the present utility model.
Figure 11 is the circuit diagram of the embodiment 3 of remote signalling warning device of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1 to Fig. 3, a kind of lighning proof type cable terminal box providing in figure, comprises casing 100 and case lid 200, and casing 100 and case lid 200 all adopt the cold-rolled steel sheet that 1.5mm is thick to make.
Casing 100 arranges for hanging, and at the bottom of the case of casing 100,110 need and metope are in one plane.In casing 100, be provided with a dividing plate 120; dividing plate 120 offers some lines hole; dividing plate 120 is divided into left part casing 130 and right part casing 140 by casing 100; case lid 200 comprises left part case lid 210 and right part case lid 220; wherein; the left side of left part case lid 210 is movably articulated in the left side of casing 100; left part casing 130 for seal protection casing 100; the right side of right part case lid 220 is movably articulated in the right side of casing 100; for the right part casing 140 of seal protection casing 100, casing 100 forms a confined space with coordinating of left and right portion case lid 210,220.The right side edge middle part of left part case lid 210 is provided with one case lock 211; the left side edge middle part of right part case lid 220 is provided with one case lock 221; cable terminal box is equipped with dedicated box lock 211,221, and layman cannot open, and has effectively protected the safety of cable terminal box.
Referring to Fig. 4; the bottom surface of left part casing 130 offers an entrance hole 131; its end face offers a wire hole 132; the entrance hole 131 of inlet wire cable 500a on left part casing 130 bottom surfaces enters in left part casing 130; outlet cable 500b draws left part casing 130 by the wire hole 132 on left part casing 130 end faces; wherein, inlet wire cable 500a and outlet cable 500b include protective earthing line 510, zero line 520 and three phase lines 530,540,550.
Left part casing 130 comprises ten insulators 310, article five, copper bar 320 and a transparent insulation cover plate 330, wherein, every two of insulator 310 is one group, each group insulator 310 is fixedly installed on respectively on the inner surface at the bottom of the case of left part casing 130, each copper bar 320 is parallel to each other and is supported on each group insulator 310, the two ends of each copper bar 320 are provided with the lock screw 321 for attached cable line, wherein, copper bar 320a is protective earthing line copper bar, the two ends of this protective earthing line copper bar connect respectively the protective earthing line PE in inlet wire cable 500a and outlet cable 500b, copper bar 320b is zero line copper bar, and the two ends of this zero line copper bar connect respectively the zero line N in inlet wire cable 500a and outlet cable 500b, its excess-three copper bar 320c, 320d, 320e are phase line copper bar, and the two ends of each phase line copper bar connect respectively phase line L1, L2, the L3 in inlet wire cable 500a and outlet cable 500b.Transparent insulation cover plate 330 covers all copper bars 320.
Four fuses 410 and four surge protectors 420 are installed in right part casing 140; each fuse 410 all with the corresponding electrical connection of a surge protector 420; four fuses 410 are connected respectively to except on protective earthing line copper bar 320a by some the first wires 411 respectively; it is upper that all surge protectors 420 are all connected to protective earthing line copper bar 320a by some the second wires 421, and the first wire 411 and the second wire 421 are through the line hole (not shown) on dividing plate 120.In right part casing 140, also comprise a remote signalling warning device (not shown); remote signalling warning device is electrically connected to each surge protector 420; remote signalling warning device has remote interface, can report to the police by red green indicator light or far-end voice guard or remote-end alarm lamp.
On right part case lid 220, be provided with a transparent visual window 222, right part case lid 220 when closed condition, transparent visual window 222 be positioned at surge protector 420 directly over.
Referring to Fig. 5, in figure, provided electrical schematic diagram of the present utility model, comprise phase line L1, L2, L3, zero line N and protective earthing line PE.Wherein, after fuse FU1 connects with surge protector SPD1, it is upper that an end connector 1 of fuse FU1 is connected on electric wire L1, and an end connector 1 ' of surge protector SPD1 is connected on protective earthing line PE; After fuse FU2 connects with surge protector SPD2, it is upper that an end connector 2 of fuse FU2 is connected on electric wire L2, and an end connector 2 ' of surge protector SPD2 is connected on protective earthing line PE; After fuse FU3 connects with surge protector SPD3, it is upper that an end connector 3 of fuse FU3 is connected on electric wire L3, and an end connector 3 ' of surge protector SPD3 is connected on protective earthing line PE; After fuse FU4 connects with surge protector SPD4, it is upper that an end connector 4 of fuse FU4 is connected on zero line N, and an end connector 4 ' of surge protector SPD4 is connected on protective earthing line PE.On remote signalling warning device, have joint 11,12,14, its center tap 11 is connected with each surge protector 420, and joint 11 is public port, and joint 12 is for often ported, and joint 14 is normally closed port.
Referring to Fig. 6, remote signalling warning device is connected with long-distance monitorng device, provides data to long-distance monitorng device, and long-distance monitorng device can be red green indicator light or far-end voice guard or remote-end alarm lamp.When joint 11 and joint 12 are closed, be now normal condition, as shown in Figure 7; When joint 11 and joint 14 are closed, be now alarm condition, as shown in Figure 8.
Referring to Fig. 9, when remote signalling warning device is alarm condition, red led just can be bright, otherwise green indicating lamp is bright.
Referring to Figure 10, when remote signalling warning device is alarm condition, far-end voice guard just can send alarm sound.
Referring to Figure 11, when remote signalling warning device is alarm condition, remote-end alarm lamp just can light.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. a lighning proof type cable terminal box, comprise casing and be hinged on the case lid on described casing, described casing and case lid form a confined space, on described case lid, there is safety guard, it is characterized in that, in described casing, be provided with a dividing plate casing is divided into left part casing and right part casing, described dividing plate offers some lines hole, at least one entrance hole is offered in the bottom surface of described left part casing, the end face of described left part casing is offered at least one wire hole, described left part casing comprises some insulators, some copper bars and a transparent insulation cover plate, described insulator is fixed on the inner surface at the bottom of the case that is evenly arranged on described left part casing, each copper bar is parallel to each other and is supported on described insulator, wherein having a copper bar is protective earthing line copper bar, the two ends of this protective earthing line copper bar connect respectively the protective earthing line in inlet wire cable and outlet cable, the two ends of all the other copper bars connect respectively phase line and the zero line in inlet wire cable and outlet cable, described inlet wire cable is entered in left part casing by the entrance hole in left part tank floor, and described outlet cable is drawn left part casing by the wire hole on described left part box top, described transparent insulation cover plate covers described all copper bars, some fuses and some surge protectors are installed in described right part casing, each fuse all with the corresponding electrical connection of a surge protector, some fuses are connected respectively to except on protective earthing line copper bar by some the first wires respectively, and all surge protectors are all connected on described protective earthing line copper bar by some the second wires, described the first wire and the second wire are through the line hole on described dividing plate.
2. lighning proof type cable terminal box as claimed in claim 1; it is characterized in that; also comprise a remote signalling warning device; described remote signalling warning device is electrically connected to each surge protector; described remote signalling warning device has remote interface, can report to the police by red green indicator light or far-end voice guard or remote-end alarm lamp.
3. lighning proof type cable terminal box as claimed in claim 1, it is characterized in that, described case lid comprises left part case lid and right part case lid, wherein, the left side of described left part case lid is movably articulated in the left side of described casing, be used for sealing described left part casing, the right side of described right part case lid is movably articulated in the right side of described casing, for sealing described right part casing.
4. lighning proof type cable terminal box as claimed in claim 1, is characterized in that, described casing hangs and arranges.
5. lighning proof type cable terminal box as claimed in claim 3, is characterized in that, is provided with one case lock on described left part case lid and right part case lid.
6. lighning proof type cable terminal box as claimed in claim 5, is characterized in that, is provided with a transparent visual window on described right part case lid, this transparent visual window be positioned at described surge protector directly over.
7. lighning proof type cable terminal box as claimed in claim 1, is characterized in that, the two ends of described copper bar are provided with for the fixing lock screw of phase line, zero line and protective earthing line.
8. lighning proof type cable terminal box as claimed in claim 1, is characterized in that, described casing and case lid adopt the thick cold-rolled steel sheet of 1.5mm to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320639841.8U CN203813395U (en) | 2013-10-16 | 2013-10-16 | Anti-thunder cable terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320639841.8U CN203813395U (en) | 2013-10-16 | 2013-10-16 | Anti-thunder cable terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813395U true CN203813395U (en) | 2014-09-03 |
Family
ID=51452104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320639841.8U Expired - Fee Related CN203813395U (en) | 2013-10-16 | 2013-10-16 | Anti-thunder cable terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203813395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950711A (en) * | 2019-04-12 | 2019-06-28 | 上海建筑设计研究院有限公司 | Electrical grounding case between a kind of light current |
-
2013
- 2013-10-16 CN CN201320639841.8U patent/CN203813395U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950711A (en) * | 2019-04-12 | 2019-06-28 | 上海建筑设计研究院有限公司 | Electrical grounding case between a kind of light current |
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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 |
Granted publication date: 20140903 Termination date: 20191016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |