CN103872592A - Insulated bus and high-voltage switch device - Google Patents
Insulated bus and high-voltage switch device Download PDFInfo
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- CN103872592A CN103872592A CN201210545727.9A CN201210545727A CN103872592A CN 103872592 A CN103872592 A CN 103872592A CN 201210545727 A CN201210545727 A CN 201210545727A CN 103872592 A CN103872592 A CN 103872592A
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Abstract
The invention discloses an insulated bus and a high-voltage switch device. The insulated bus comprises a plurality of connection terminals, wherein the connection terminals comprise a first working connection terminal, a second working connection terminal, a third working connection terminal, a first overhauling connection terminal, a first grounding connection terminal, a second overhauling connection terminal, a second grounding connection terminal, a third overhauling connection terminal and a third grounding connection terminal, wherein the first working connection terminal is used for receiving the electric energy of first power equipment; the second working connection terminal is used for outputting the electric power to second power equipment; the third working connection terminal is used for outputting the electric energy to a transformer; the first overhauling connection terminal is used for overhauling the line state of a first overhauling cable; the second overhauling connection terminal is used for overhauling the line state of a second overhauling cable; the third overhauling connection terminal is used for overhauling the line state of a third overhauling cable. According to the insulated bus and the high-voltage switch device, the insulated bus is simple in structure, and has simple connection relationships, so that the effects of small size and small floor area of the box-type transformer are achieved.
Description
Technical field
The present invention relates to field of electrical equipment, in particular to a kind of isolated bus and high voltage switching device.
Background technology
Now, in primary and secondary main line in urban district and new city key area, the construction of shopping mall, leisure center and fine work block has approached international level, but the part power distribution network of these Recreation areas, especially prepackage type case become the very serious road occupying problem of (hereinafter to be referred as " case change ") existence relatively, many casees changes not only tie up gold ground, downtown area, and unordered spoiling the fun straggly.Perhaps be the reason of landscaping, quotidian case change seems somewhat inferior in new reference system, and, communication, 10 kilovolts and following electric power overhead cable are entered in the process of renovating, because case variable volume is excessive and brought very large difficulty to construction.Case with a 250kVA capacity becomes example, and high-pressure section generally adopts SF
6the looped network switch apparatus of insulation is realized the function of 10kV part one road inlet wire, a road outlet, a road band tranformer protection; in similar ring main unit product, volume minimum is that 975mm(is wide) × 751mm(is dark) × 1361mm(is high); its electrical systematic drawing is as shown in Figure 1: low-pressure section mainly adopts moulds shell switch or bar switch, the overall dimension that whole case becomes into: 2850mm(is wide) × 1300mm(is dark) × 1800mm(is high).
For the complex structure, the annexation complexity that become high-pressure section in prior art due to case, cause the problem that case variable volume is large, floor space is large, effective solution is not yet proposed at present.
Summary of the invention
Become complex structure, the annexation complexity of high-pressure section for correlation technique case, cause the problem that case variable volume is large, floor space is large, effective solution is not yet proposed at present, for this reason, main purpose of the present invention is to provide a kind of isolated bus and high voltage switching device, to address the above problem.
To achieve these goals, according to an aspect of the present invention, a kind of isolated bus is provided, this isolated bus comprises: multiple terminals, wherein, terminals comprise: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals, wherein, the first work terminals, as the input interface of isolated bus structure, for receiving the electric energy of the first power equipment; The second work terminals, are connected with the first work terminals by the wire being built in isolated bus, for exporting electric energy to the second power equipment; The 3rd work terminals, are connected with the first work terminals by the wire being built in isolated bus, for exporting electric energy to transformer; The first maintenance terminals, are connected with the first ground connection terminals by the wire being built in isolated bus, for overhauling the line status of the first maintenance cable; The second maintenance terminals, are connected with the second ground connection terminals by the wire being built in isolated bus, for overhauling the line status of the second maintenance cable; The 3rd maintenance terminals, are connected with the 3rd ground connection terminals by the wire being built in isolated bus, for overhauling the line status of the 3rd maintenance cable.
Further, the first work terminals, are connected with the first power equipment by inlet wire cable, for importing the electric current flowing out from the first power equipment; The second work terminals, are connected with the second power equipment by the first outlet cable, export to the second power equipment for the electric current that the first work terminals are imported; The 3rd work terminals, are connected with transformer by the second outlet cable, export to transformer for the electric current that the first work terminals are imported.
Further, the first maintenance terminals are connected with the first maintenance cable, and the first ground connection terminals are connected with the first earth cable, and the first inspection earthing terminals are for overhauling the line status of the first maintenance cable; The second maintenance terminals are connected with the second maintenance cable, and the second ground connection terminals are connected with the second earth cable, and the second maintenance terminals are for overhauling the line status of the second maintenance cable; The 3rd maintenance terminals are connected with the 3rd maintenance cable, and the 3rd ground connection terminals are connected with the 3rd earth cable, and the 3rd maintenance terminals are for overhauling the line status of the 3rd maintenance cable.
Further, the first work terminals and the vertical setting mutually on the longitudinal direction of isolated bus of the first ground connection terminals; The second work terminals and the vertical setting mutually on the longitudinal direction of isolated bus of the second ground connection terminals.
Further, the first work terminals comprise the first cylindricality bus, the second work terminals comprise the second cylindricality bus, the 3rd work terminals comprise the 3rd cylindricality bus, the first maintenance terminals comprise the 4th cylindricality bus, the first ground connection terminals comprise the 5th cylindricality bus, the second maintenance terminals comprise the 6th cylindricality bus, the second ground connection terminals comprise the 7th cylindricality bus, the 3rd maintenance terminals comprise the 8th cylindricality bus, the 3rd ground connection terminals comprise the 9th cylindricality bus, wherein, the first cylindricality bus is connected with the second cylindricality bus by the first main bus bar being built in isolated bus, to set up the annexation between the first work terminals and the second work terminals, the first cylindricality bus is connected with the 3rd cylindricality bus by the second main bus bar being built in isolated bus, to set up the annexation between the first work terminals and the 3rd work terminals, the 4th cylindricality bus is connected with the 5th cylindricality bus by the first earth bus being built in isolated bus, to set up the annexation between inlet wire cable and the first ground connection terminals, the 6th cylindricality bus is connected with the 7th cylindricality bus by the second earth bus being built in isolated bus, to set up the annexation between the first outlet cable and the second ground connection terminals, the 8th cylindricality bus is connected with the 9th cylindricality bus by the 3rd earth bus being built in isolated bus, to set up the annexation between the second outlet cable and the 3rd ground connection terminals.
Further, the first end of the second main bus bar is connected with the second main bus bar, and the second end of the second main bus bar is connected with the 3rd cylindricality bus.
Further, each terminals comprise respectively: pluggable cable head, and wherein, the pluggable cable head of the first work terminals is connected with inlet wire cable; The pluggable cable head of the second work terminals is connected with the first outlet cable; The pluggable cable head of the 3rd work terminals is connected with the second outlet cable; The pluggable cable head of the first maintenance terminals is connected with the first maintenance cable; The pluggable cable head of the second maintenance terminals is connected with the second maintenance cable; The pluggable cable head of the 3rd maintenance terminals is connected with the 3rd maintenance cable; The pluggable cable head of the first ground connection terminals is connected with the first earth cable; The pluggable cable head of the second ground connection terminals is connected with the second earth cable; The pluggable cable head of the 3rd ground connection terminals is connected with the 3rd earth cable.
Further, on inlet wire cable/the first outlet cable, fault detector and potential indicator are installed respectively, mounting strap electrical indicator on the second outlet cable.
Further, on the pluggable cable head of the 3rd work terminals, fuse is installed.
To achieve these goals, according to an aspect of the present invention, a kind of high voltage switching device is provided, this high voltage switching device comprises isolated bus, isolated bus is three, wherein, three isolated buses are respectively the first isolated bus, the second isolated bus and the 3rd isolated bus, wherein, the input interface of the first isolated bus is connected with the A phase output interface of the first power equipment, the first output interface of the first isolated bus is connected with the A phase input interface of the second power equipment, and the second output interface of the first isolated bus is connected with the A phase input interface of transformer; The input interface of the second isolated bus is connected with the B phase output interface of the first power equipment, the first output interface of the second isolated bus is connected with the B phase input interface of the second power equipment, and the second output interface of the second isolated bus is connected with the B phase input interface of transformer; The input interface of the 3rd isolated bus is connected with the C phase output interface of the first power equipment, the first output interface of the 3rd isolated bus is connected with the C phase input interface of the second power equipment, and the second output interface of the 3rd isolated bus is connected with the C phase input interface of transformer.
Make the simple in structure of isolated bus by isolated bus of the present invention by multiple terminals, use simple, complex structure, the annexation complexity of prior art raising middle flask change high-pressure section are solved, cause the problem that case variable volume is large, floor space is large, realize isolated bus simple in structure, annexation is simple, thereby in the time the application's isolated bus being applied in case change, case variable volume is little, floor space is little, and when the high-pressure section becoming at case work, between cable, can not interfere.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the electrical systematic drawing of the high-pressure section of the case change of prior art;
Fig. 2 a is according to the perspective view of the isolated bus of the embodiment of the present application;
Fig. 2 b is according to the rearview of the isolated bus of the embodiment of the present application;
Fig. 2 c is according to the cutaway view of the C-C of Fig. 2 a illustrated embodiment;
Fig. 2 d is according to the cutaway view of the B-B of Fig. 2 a illustrated embodiment;
Fig. 2 e is according to the cutaway view of the A-A of Fig. 2 b illustrated embodiment;
Fig. 3 is according to the electrical systematic drawing of the high voltage switching device of the embodiment of the present application;
Fig. 4 a is according to the front view of the high voltage switching device running status of the embodiment of the present application;
Fig. 4 b is according to the vertical view of the high voltage switching device running status of Fig. 4 a illustrated embodiment; And
Fig. 4 c is according to the end view of the high voltage switching device running status of Fig. 4 a illustrated embodiment.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Fig. 2 a to 2e, this isolated bus comprises: multiple terminals, wherein, terminals comprise: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals, wherein, the first work terminals, as the input interface of isolated bus structure, for receiving the electric energy of the first power equipment; Second makes terminals, is connected, for exporting electric energy to the second power equipment by the wire being built in isolated bus with the first work terminals; The 3rd work terminals, are connected with the first work terminals by the wire being built in isolated bus, for exporting electric energy to transformer; The first maintenance terminals, are connected with the first ground connection terminals by the wire being built in isolated bus, for overhauling the line status of the first maintenance cable; The second maintenance terminals, are connected with the second ground connection terminals by the wire being built in isolated bus, for overhauling the line status of the second maintenance cable; The 3rd maintenance terminals, are connected with the 3rd ground connection terminals by the wire being built in isolated bus, for overhauling the line status of the 3rd maintenance cable.
Adopt the application's isolated bus, by multiple terminals are set on isolated bus, wherein, terminals comprise: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals.Wherein, the first work terminals are for receiving the electric energy of the first power equipment; The second work terminals are connected with the first work terminals by the wire being built in isolated bus, for exporting electric energy to the second power equipment; The 3rd work terminals, are connected with the first work terminals by the wire being built in isolated bus, for exporting electric energy to transformer; The first maintenance terminals, are connected with the first ground connection terminals by the wire being built in isolated bus, for overhauling the line status of the first maintenance cable; The second maintenance terminals, are connected with the second ground connection terminals by the wire being built in isolated bus, for overhauling the line status of the second maintenance cable; The 3rd maintenance terminals, are connected with the 3rd ground connection terminals by the wire being built in isolated bus, for overhauling the line status of the 3rd maintenance cable.The various operating modes that may occur while having taken into full account work and maintenance by the application's isolated bus, make the simple in structure of isolated bus by multiple terminals, use simple, solve the complex structure of prior art raising middle flask change high-pressure section, annexation complexity, cause case variable volume larger, the problem that floor space is large, realize isolated bus simple in structure, annexation is simple, thereby in the time the application's isolated bus being applied in case change, case variable volume is little, floor space is little, and when the high-pressure section becoming at case work, between cable, can not interfere.
Wherein, the isolated bus in above-described embodiment can be the isolated bus row of epoxy casting 10kV.
In above-described embodiment of the application, the first work terminals, are connected with the first power equipment by inlet wire cable, for importing the electric current flowing out from the first power equipment; The second work terminals, are connected with the second power equipment by the first outlet cable, export to the second power equipment for the electric current that the first work terminals are imported; The 3rd work terminals, are connected with transformer by the second outlet cable, export to transformer for the electric current that the first work terminals are imported.
Particularly, the first work terminals, as the input interface of isolated bus structure, for receiving the electric energy of the first power equipment; The second work terminals, be connected, and the second work terminals are as the first output interface of isolated bus structure, for exporting electric energy to the second power equipment by the wire being built in isolated bus with the first work terminals; The 3rd work terminals, be connected, and the 3rd work terminals are as the second output interface of isolated bus structure, for exporting electric energy to transformer by the wire being built in isolated bus with the first work terminals.Wherein, the material of the wire in above-described embodiment can be copper, aluminium matter, copper cover aluminum matter.
According to above-described embodiment of the application, the first maintenance terminals are connected with the first maintenance cable, and the first ground connection terminals are connected with the first earth cable, and the first maintenance terminals are for overhauling the line status of the first maintenance cable; The second maintenance terminals are connected with the second maintenance cable, and the second ground connection terminals are connected with the second earth cable, and the second maintenance terminals are for overhauling the line status of the second maintenance cable; The 3rd maintenance terminals are connected with the 3rd maintenance cable, and the 3rd ground connection terminals are connected with the 3rd earth cable, and the 3rd maintenance terminals are for overhauling the line status of the 3rd maintenance cable.Wherein, the line status described in above-described embodiment can be the state whether each cable can normally work.
Wherein, the first maintenance cable is in this embodiment same cable with above-mentioned inlet wire cable, and the second maintenance cable and above-mentioned the first outlet cable are same cables, and the 3rd overhauls cable and above-mentioned the second outlet cable is same cable.
Particularly, the first maintenance terminals, are connected with the first ground connection terminals, whether normal are used for overhauling the first maintenance cable as the first maintenance interface of isolated bus; The second maintenance terminals, are connected with the second ground connection terminals, whether normal are used for overhauling the second maintenance cable as the second maintenance interface of isolated bus; The 3rd maintenance terminals, are connected with the 3rd ground connection terminals, whether normal are used for overhauling the 3rd maintenance cable as the 3rd maintenance interface of isolated bus.
According to above-described embodiment of the application, each terminals comprise respectively: pluggable cable head, and wherein, the pluggable cable head of the first work terminals is connected with inlet wire cable; The pluggable cable head of the second work terminals is connected with the first outlet cable; The pluggable cable head of the 3rd work terminals is connected with the second outlet cable; The pluggable cable head of the first maintenance terminals is connected with the first maintenance cable; The pluggable cable head of the second maintenance terminals is connected with the second maintenance cable; The pluggable cable head of the 3rd maintenance terminals is connected with the 3rd maintenance cable; The pluggable cable head of the first ground connection terminals is connected with the first earth cable; The pluggable cable head of the second ground connection terminals is connected with the second earth cable; The pluggable cable head of the 3rd ground connection terminals is connected with the 3rd earth cable.Wherein, on the pluggable cable head of the 3rd work terminals, fuse is installed.
Wherein, be respectively arranged with insulation protection cap on each terminals, insulation protection cap is arranged on the socket of the terminals that match with pluggable cable head.
According to above-described embodiment of the application, the first work terminals and the vertical setting mutually on the longitudinal direction of isolated bus of the first ground connection terminals; The second work terminals and the vertical setting mutually on the longitudinal direction of isolated bus of the second ground connection terminals.
Particularly, the above-mentioned setting of isolated bus, after service work is finished, if do not extract earth connection, just cannot make pluggable cable head be installed to service position, cannot normally work, and has effectively avoided the possibility of personnel's misoperations.The various possibilities that the design of above-mentioned service position, maintenance position and earthing position has occurred while having taken into full account work and maintenance, while having guaranteed high-pressure section work, can not interfere between cable.
As shown in Fig. 2 a to 2e, the first work terminals comprise the first cylindricality bus, the second work terminals comprise the second cylindricality bus, the 3rd work terminals comprise the 3rd cylindricality bus, the first maintenance terminals comprise the 4th cylindricality bus, the first ground connection terminals comprise the 5th cylindricality bus, the second maintenance terminals comprise the 6th cylindricality bus, the second ground connection terminals comprise the 7th cylindricality bus, the 3rd maintenance terminals comprise the 8th cylindricality bus, the 3rd ground connection terminals comprise the 9th cylindricality bus, wherein, the first cylindricality bus is connected with the second cylindricality bus by the first main bus bar being built in isolated bus, to set up the annexation between the first work terminals and the second work terminals, the first cylindricality bus is connected with the 3rd cylindricality bus by the second main bus bar being built in isolated bus, to set up the annexation between the first work terminals and the 3rd work terminals, the 4th cylindricality bus is connected with the 5th cylindricality bus by the first earth bus being built in isolated bus, to set up the annexation between the first maintenance terminals and the first ground connection terminals, the 6th cylindricality bus is connected with the 7th cylindricality bus by the second earth bus being built in isolated bus, to set up the annexation between the second maintenance terminals and the second ground connection terminals, the 8th cylindricality bus is connected with the 9th cylindricality bus by the 3rd earth bus being built in isolated bus, to set up the annexation between the 3rd maintenance terminals and the 3rd ground connection terminals.
In addition, as shown in Figure 2 e, each terminals are become and are connected with case by securing member 10 respectively.
Wherein, showing in Fig. 2 a to 2e: outlet is to the earth bus 1 of Repair of Transformer, main bus bar 2, the earth bus 3 of line maintenance, main bus bar 4, cylindricality bus 5, cylindricality bus 6, cylindricality bus 7, M10 × 30 hexagon socket cap head screw 8, dowel screw 9.Fig. 2 e is connected isolated bus to the securing member 10 on power equipment with showing in Fig. 2 b.
In addition, as shown in Figure 2 a, the first end of the second main bus bar is connected with the first bus, and the second end is connected with the 3rd cylindricality bus.
Particularly, each terminals are arranged in the main body of isolated bus by connector respectively.
In addition, on inlet wire cable/the first outlet cable, fault detector and potential indicator are installed respectively, mounting strap electrical indicator on the second outlet cable, and each terminals of isolated bus all can be provided with status indicator.
Fig. 3 shows case and becomes the electrical systematic drawing of high-pressure section, connection diagram when Fig. 4 a to 4c shows the running status of three-phase.
As shown in Fig. 3, Fig. 4 a, Fig. 4 b, Fig. 4 c, this high voltage switching device comprises isolated bus, isolated bus is three, wherein, three isolated buses are respectively the first isolated bus, the second isolated bus and the 3rd isolated bus, wherein, the input interface of the first isolated bus is connected with the A phase output interface of the first power equipment, the first output interface of the first isolated bus is connected with the A phase input interface of the second power equipment, and the second output interface of the first isolated bus is connected with the A phase input interface of transformer; The input interface of the second isolated bus is connected with the B phase output interface of the first power equipment, the first output interface of the second isolated bus is connected with the B phase input interface of the second power equipment, and the second output interface of the second isolated bus is connected with the B phase input interface of transformer; The input interface of the 3rd isolated bus is connected with the C phase output interface of the first power equipment, the first output interface of the 3rd isolated bus is connected with the C phase input interface of the second power equipment, and the second output interface of the 3rd isolated bus is connected with the C phase input interface of transformer.
Adopt the application's high voltage switching device, on the isolated bus adopting by the high voltage switching device in case becomes, multiple terminals are set, wherein, terminals comprise: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals.Wherein, the first work terminals are for receiving the electric energy of the first power equipment; The second work terminals are connected with the first work terminals by the wire being built in isolated bus, for exporting electric energy to the second power equipment; The 3rd work terminals, are connected with the first work terminals by the wire being built in isolated bus, for exporting electric energy to transformer; The first maintenance terminals, are connected with the first ground connection terminals by the wire being built in isolated bus, for overhauling the operating state of the first work terminals; The second maintenance terminals, are connected with the second ground connection terminals by the wire being built in isolated bus, for overhauling the operating state of the second work terminals; The 3rd maintenance terminals, are connected with the 3rd ground connection terminals by the wire being built in isolated bus, for overhauling the operating state of the 3rd work terminals.The various operating modes that may occur while having taken into full account work and maintenance by the application's isolated bus, make the simple in structure of isolated bus by multiple terminals, use simple, solve the complex structure of prior art raising middle flask change high-pressure section, annexation complexity, cause case variable volume larger, the problem that floor space is large, realize isolated bus simple in structure, annexation is simple, thereby in the time the application's isolated bus being applied in case change, case variable volume is little, floor space is little, and when the high-pressure section becoming at case work, between cable, can not interfere.
Wherein, in Fig. 4 a to 4c, illustrate: band fuse unit plug-in elbow type cable end 11, fault detector 12, plug-in elbow type cable end 13, status indicator 14, insulation protection cap 15, case becomes with epoxy casting isolated bus row 16, electrification display 17.Wherein, 14 status indicators that show at the first work terminals of status indicator, in actual applications, each terminals all can have status indicator.
Particularly, the application's isolated bus being applied to case and becoming, there is two states, i.e. normal operating condition and inspecting state in the high-pressure section that case becomes.As shown in Fig. 4 a, in the time of normal operation, inlet wire cable is connected on isolated bus (being epoxy casting 10kV isolated bus row) by plug-in elbow type cable end, going out line current derives by the connected mode of plug-in elbow type cable end and the first outlet cable, connect with other power equipments on looped network, the second work terminals (being the outlet of transformer side) that case becomes upper isolated bus are to realize by the connected mode of the plug-in elbow type cable end with fuse and the second outlet cable.In the time of inspecting state, take to the maintenance of the first work terminals (being inlet wire) as example: with insulating bar respectively by A, B, insulation protection cap on C three-phase on the first maintenance terminals is pulled up, then with insulating bar respectively by A, B, plug-in elbow type cable end on C three-phase on the first work terminals is pulled up to be inserted on corresponding the first maintenance terminals, re-use insulating bar respectively by A, B, after insulation protection cap on C three-phase on the first ground connection terminals is pulled up, check respectively A with electroscope, B, on C three-phase, whether the first ground connection terminals are charged, if it is not charged, respectively earth cable head is inserted on the first ground connection terminals with insulating bar, earth cable head now becomes main earth bus by cable and case and is connected, therefore in the time that circuit is carried out to inspection operation, all ground connection well of maintenance cable, fail safe is higher.For in the embodiment of the present application by the second/three maintenance position while carrying out line maintenance, the operating sequence of inspection operation when carrying out line maintenance by the first maintenance position is identical.
Particularly, the environment for use condition of the application's high voltage switching device is as follows:
Height above sea level :≤2000m; Ambient temperature: 40 ℃～+ 45 ℃; 20 ℃ of the highest average temperatures of the whole year; 35 ℃ of the highest daily mean temperatures; Relative humidity :≤95%(25 ℃); Shock resistance: ground horizontal acceleration 0.3g; Ground normal acceleration 0.15g; Effect simultaneously continues three sine waves; Coefficient of safety: 1.67; Electric cable accessories long-term work temperature, overload temperature and short circuit temperature meet and its accessory cables requirement.
Technical parameter refers to table 1.
Table 1
From above description, can find out, the present invention has realized following technique effect: the various operating modes that may occur while having taken into full account work and maintenance by the application's isolated bus, make the simple in structure of isolated bus by multiple terminals, use simple, solve the complex structure of prior art raising middle flask change high-pressure section, annexation complexity, cause case variable volume larger, the problem that floor space is large, realize isolated bus simple in structure, annexation is simple, thereby in the time the application's isolated bus being applied in case change, case variable volume is little, floor space is little, and when the high-pressure section becoming at case work, between cable, can not interfere.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an isolated bus, it is characterized in that, comprise multiple terminals, wherein, described terminals comprise: the first work terminals, the second work terminals, the 3rd work terminals, the first maintenance terminals, the first ground connection terminals, the second maintenance terminals, the second ground connection terminals, the 3rd maintenance terminals and the 3rd ground connection terminals, wherein
Described the first work terminals, as the input interface of described isolated bus structure, for receiving the electric energy of the first power equipment;
Described the second work terminals, are connected with described the first work terminals by the wire being built in described isolated bus, for exporting described electric energy to the second power equipment;
Described the 3rd work terminals, are connected with described the first work terminals by the wire being built in isolated bus, for exporting described electric energy to transformer;
Described the first maintenance terminals, are connected with described the first ground connection terminals by the wire being built in described isolated bus, for overhauling the line status of the first maintenance cable;
Described the second maintenance terminals, are connected with described the second ground connection terminals by the wire being built in described isolated bus, for overhauling the line status of the second maintenance cable;
Described the 3rd maintenance terminals, are connected with described the 3rd ground connection terminals by the wire being built in described isolated bus, for overhauling the line status of the 3rd maintenance cable.
2. isolated bus according to claim 1, is characterized in that,
Described the first work terminals, are connected with the first power equipment by described inlet wire cable, for importing the electric current flowing out from described the first power equipment;
Described the second work terminals, are connected with described the second power equipment by described the first outlet cable, export to described the second power equipment for the electric current that described the first work terminals are imported;
Described the 3rd work terminals, are connected with described transformer by described the second outlet cable, export to described transformer for the electric current that described the first work terminals are imported.
3. isolated bus according to claim 1, is characterized in that,
Described the first maintenance terminals are connected with described the first maintenance cable, and described the first ground connection terminals are connected with the first earth cable, and described the first inspection earthing terminals are for overhauling the line status of described the first maintenance cable;
Described the second maintenance terminals are connected with described the second maintenance cable, and described the second ground connection terminals are connected with the second earth cable, and described the second maintenance terminals are for overhauling the line status of described the second maintenance cable;
Described the 3rd maintenance terminals are connected with described the 3rd maintenance cable, and described the 3rd ground connection terminals are connected with the 3rd earth cable, and described the 3rd maintenance terminals are for overhauling the line status of described the 3rd maintenance cable.
4. according to the isolated bus described in claim 2 or 3, it is characterized in that,
Described the first work terminals and the vertical setting mutually on the longitudinal direction of described isolated bus of described the first ground connection terminals;
Described the second work terminals and the vertical setting mutually on the longitudinal direction of described isolated bus of described the second ground connection terminals.
5. isolated bus according to claim 4, it is characterized in that, described the first work terminals comprise the first cylindricality bus, described the second work terminals comprise the second cylindricality bus, described the 3rd work terminals comprise the 3rd cylindricality bus, described the first maintenance terminals comprise the 4th cylindricality bus, described the first ground connection terminals comprise the 5th cylindricality bus, described the second maintenance terminals comprise the 6th cylindricality bus, described the second ground connection terminals comprise the 7th cylindricality bus, described the 3rd maintenance terminals comprise the 8th cylindricality bus, described the 3rd ground connection terminals comprise the 9th cylindricality bus, wherein,
Described the first cylindricality bus is connected with described the second cylindricality bus by the first main bus bar being built in described isolated bus, to set up the annexation between described the first work terminals and described the second work terminals;
Described the first cylindricality bus is connected with described the 3rd cylindricality bus by the second main bus bar being built in described isolated bus, to set up the annexation between described the first work terminals and described the 3rd work terminals;
Described the 4th cylindricality bus is connected with described the 5th cylindricality bus by the first earth bus being built in described isolated bus, to set up the annexation between described inlet wire cable and described the first ground connection terminals;
Described the 6th cylindricality bus is connected with described the 7th cylindricality bus by the second earth bus being built in described isolated bus, to set up the annexation between described the first outlet cable and described the second ground connection terminals;
Described the 8th cylindricality bus is connected with described the 9th cylindricality bus by the 3rd earth bus being built in described isolated bus, to set up the annexation between described the second outlet cable and described the 3rd ground connection terminals.
6. isolated bus according to claim 5, is characterized in that, the first end of described the second main bus bar is connected with described the second main bus bar, and the second end of described the second main bus bar is connected with described the 3rd cylindricality bus.
7. isolated bus according to claim 1, is characterized in that, each described terminals comprise respectively: pluggable cable head, wherein,
The pluggable cable head of described the first work terminals is connected with inlet wire cable;
The pluggable cable head of described the second work terminals is connected with the first outlet cable;
The pluggable cable head of described the 3rd work terminals is connected with the second outlet cable;
The pluggable cable head of described the first maintenance terminals is connected with described the first maintenance cable;
The pluggable cable head of described the second maintenance terminals is connected with described the second maintenance cable;
The pluggable cable head of described the 3rd maintenance terminals is connected with described the 3rd maintenance cable;
The pluggable cable head of the first ground connection terminals is connected with the first earth cable;
The pluggable cable head of the second ground connection terminals is connected with the second earth cable;
The pluggable cable head of the 3rd ground connection terminals is connected with the 3rd earth cable.
8. isolated bus according to claim 7, is characterized in that, on described inlet wire cable/the first outlet cable, fault detector and potential indicator is installed respectively, mounting strap electrical indicator on described the second outlet cable.
9. isolated bus according to claim 7, is characterized in that, on the pluggable cable head of described the 3rd work terminals, fuse is installed.
10. a high voltage switching device, is characterized in that, comprises the isolated bus described in any one in claim 1 to 9, described isolated bus is three, and wherein, three described isolated buses are respectively the first isolated bus, the second isolated bus and the 3rd isolated bus, wherein
The input interface of described the first isolated bus is connected with the A phase output interface of the first power equipment, the first output interface of described the first isolated bus is connected with the A phase input interface of described the second power equipment, and the second output interface of described the first isolated bus is connected with the A phase input interface of described transformer;
The input interface of described the second isolated bus is connected with the B phase output interface of the first power equipment, the first output interface of described the second isolated bus is connected with the B phase input interface of described the second power equipment, and the second output interface of described the second isolated bus is connected with the B phase input interface of described transformer;
The input interface of described the 3rd isolated bus is connected with the C phase output interface of the first power equipment, the first output interface of described the 3rd isolated bus is connected with the C phase input interface of described the second power equipment, and the second output interface of described the 3rd isolated bus is connected with the C phase input interface of described transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210545727.9A CN103872592B (en) | 2012-12-14 | 2012-12-14 | Isolated bus and high-tension switch gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210545727.9A CN103872592B (en) | 2012-12-14 | 2012-12-14 | Isolated bus and high-tension switch gear |
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| Publication Number | Publication Date |
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| CN103872592A true CN103872592A (en) | 2014-06-18 |
| CN103872592B CN103872592B (en) | 2016-06-08 |
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| CN201210545727.9A Active CN103872592B (en) | 2012-12-14 | 2012-12-14 | Isolated bus and high-tension switch gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990485Y (en) * | 2006-10-30 | 2007-12-12 | 泰豪科技股份有限公司 | Non-switch cable distributing box with grounding |
| CN101217230A (en) * | 2008-01-14 | 2008-07-09 | 冯骏明 | A fully buried high voltage cable branch box |
| JP2009189076A (en) * | 2008-02-01 | 2009-08-20 | Kanto Denki Hoan Kyokai | Cubicle type high voltage power receiving facility, and power supply facility at inspection |
| CN201438626U (en) * | 2009-06-24 | 2010-04-14 | 浙江雷得隆电气有限公司 | High-voltage cable branching box |
| CN202997326U (en) * | 2012-12-14 | 2013-06-12 | 国家电网公司 | Insulated bus and high-voltage switch device |
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2012
- 2012-12-14 CN CN201210545727.9A patent/CN103872592B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990485Y (en) * | 2006-10-30 | 2007-12-12 | 泰豪科技股份有限公司 | Non-switch cable distributing box with grounding |
| CN101217230A (en) * | 2008-01-14 | 2008-07-09 | 冯骏明 | A fully buried high voltage cable branch box |
| JP2009189076A (en) * | 2008-02-01 | 2009-08-20 | Kanto Denki Hoan Kyokai | Cubicle type high voltage power receiving facility, and power supply facility at inspection |
| CN201438626U (en) * | 2009-06-24 | 2010-04-14 | 浙江雷得隆电气有限公司 | High-voltage cable branching box |
| CN202997326U (en) * | 2012-12-14 | 2013-06-12 | 国家电网公司 | Insulated bus and high-voltage switch device |
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|---|---|
| CN103872592B (en) | 2016-06-08 |
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