CN217240012U - Double-bus connection cabinet device of explosion-proof high-voltage distribution device - Google Patents
Double-bus connection cabinet device of explosion-proof high-voltage distribution device Download PDFInfo
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- CN217240012U CN217240012U CN202221052319.5U CN202221052319U CN217240012U CN 217240012 U CN217240012 U CN 217240012U CN 202221052319 U CN202221052319 U CN 202221052319U CN 217240012 U CN217240012 U CN 217240012U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model provides a double-bus connection cabinet device of a flame-proof type high-voltage distribution device, which comprises two flame-proof distribution cabinets and a flame-proof connection box; one explosion-proof power distribution cabinet is used as a bus connection cabinet in one section of explosion-proof power distribution cabinet, and the other explosion-proof power distribution cabinet is used as a bus connection cabinet in the other section of explosion-proof power distribution cabinet; the bus connection cabinet has no load; the two explosion-proof power distribution cabinets are arranged in parallel from left to right, and the explosion-proof contact box is arranged between the wire outlet cavities of the two explosion-proof power distribution cabinets; the side of the wire outlet cavity of each flameproof power distribution cabinet facing to the flameproof connection box is provided with an opening and a flange, and the left end and the right end of the flameproof connection box are provided with flanges; the explosion-proof connection box is connected with the explosion-proof power distribution cabinets on the two sides of the explosion-proof connection box through an explosion-proof flange joint surface; and the outgoing bus bars of each phase of the two explosion-proof power distribution cabinets are respectively connected by penetrating through the explosion-proof connection boxes through conductors. The utility model discloses connect convenient and reliable, and improved the security.
Description
Technical Field
The utility model relates to a high-voltage distribution mechanism, especially a flame-proof type high voltage distribution device's double bus contact cabinet device.
Background
At present, a coal mine underground power supply system adopts a multi-section bus type, and each section consists of a plurality of high-voltage power distribution devices (particularly high-voltage explosion-proof power distribution cabinets); they share one section of bus power supply; the buses of two adjacent sections of high-voltage distribution devices need to be connected by bus connection cables of a bus connection cabinet;
as shown in fig. 1, the explosion-proof power distribution cabinet on the left side is a bus connection cabinet in a section of the explosion-proof power distribution cabinets, and is located on the rightmost side in the section of the explosion-proof power distribution cabinets; the flame-proof power distribution cabinet on the right side is the leftmost one of the other sections of flame-proof power distribution cabinets; the bus bar connection cabinet is not provided with a load; the bus tie cable is usually led out of the bus tie cabinet by a cable access device at the feed-out end of the bus tie cabinet, is connected with another cable access device, enters one explosion-proof box body, and is then connected with an incoming bus bar row of the leftmost explosion-proof power distribution cabinet in the other section of explosion-proof power distribution cabinet on the right side; the single bus connection cabinet controls the on-off of two connected buses;
the bus connection mode is time-consuming and labor-consuming in the connection process, and the operation is complicated when the bus connection cable is disconnected; in addition, the coal mine safety supervision bureau puts forward that the single-connection switch of the high-voltage substation has potential safety hazards of power failure maintenance, double-connection switch measures need to be implemented, and the safety of power failure maintenance is guaranteed.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the utility model provides a double-bus contact cabinet device of a flame-proof type high-voltage distribution device, which is convenient and reliable in connection, effectively avoids the possibility of direct contact between coal mine workers and bus contact cables, and improves the safety; and a double-connection switch measure in the underground power supply system is also realized. In order to realize the technical purpose, the embodiment of the utility model provides an adopt technical scheme is:
the embodiment of the utility model provides a double-bus connection cabinet device of a flame-proof type high-voltage distribution device, which comprises two flame-proof distribution cabinets and a flame-proof connection box;
one of the explosion-proof power distribution cabinets is used as a bus connection cabinet in one section of the explosion-proof power distribution cabinet, and the other explosion-proof power distribution cabinet is used as a bus connection cabinet in the other section of the explosion-proof power distribution cabinet;
the explosion-proof power distribution cabinet comprises an explosion-proof cabinet body, and a bus cavity and a wire outlet cavity are arranged at the rear end of the explosion-proof cabinet body; the bus cavity is separated from the wire outlet cavity and is positioned above the wire outlet cavity; the bus cavity is internally provided with an A-phase incoming line static contact seat, a B-phase incoming line static contact seat, a C-phase incoming line static contact seat, an A-phase incoming line bus bar, a B-phase incoming line bus bar and a C-phase incoming line bus bar, wherein the A-phase incoming line static contact seat, the B-phase incoming line static contact seat and the C-phase incoming line static contact seat are respectively connected with the A-phase incoming line static contact seat, the B-phase incoming line static contact seat and the C-phase incoming line static contact seat; the outlet cavity is internally provided with an A-phase outlet static contact seat, a B-phase outlet static contact seat, a C-phase outlet static contact seat, an A-phase outlet bus bar, a B-phase outlet bus bar and a C-phase outlet bus bar which are respectively connected with the A-phase outlet static contact seat, the B-phase outlet static contact seat and the C-phase outlet static contact seat;
the two flameproof power distribution cabinets are arranged in parallel from left to right, and the flameproof connecting box is arranged between wire outlet cavities of the two flameproof power distribution cabinets; the side of the wire outlet cavity of each flameproof power distribution cabinet facing to the flameproof connection box is provided with an opening and a flange, and the left end and the right end of the flameproof connection box are provided with flanges; the explosion-proof connection box is connected with the explosion-proof power distribution cabinets on the two sides of the explosion-proof connection box through an explosion-proof flange joint surface; and the outgoing bus bars of each phase of the two explosion-proof power distribution cabinets are respectively connected by penetrating through the explosion-proof connection boxes through conductors.
Furthermore, the explosion-proof power distribution cabinet controls the on-off between each phase of incoming line static contact seat and each phase of outgoing line static contact seat through a main circuit breaker.
Furthermore, a three-phase interconnection wiring bank is arranged in the explosion-proof interconnection box; the three-phase interconnection wiring row is provided with an A interconnection wiring row, a B interconnection wiring row and a C interconnection wiring row which are insulated from each other; and bus bars of each phase of outgoing lines of the two explosion-proof power distribution cabinets are respectively penetrated into an explosion-proof contact box through a connecting bar and correspondingly connected with each connecting line bar.
Specifically, the three-phase interconnection wiring bank adopts a copper bar.
Preferably, both ends of each connecting wiring row of the three-phase connecting wiring row are provided with connecting holes.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
1) the explosion-proof connection box is adopted to connect the two bus connection cabinets, so that the original bus connection cable connection is replaced; the three-phase connection wiring row is reliably lapped by adopting copper bars, and the connection operation is convenient; the contact area is large, the surface heat dissipation effect is good, and the reliability of the bus high-current operation is ensured.
2) The two explosion-proof power distribution cabinets can realize the on-off of the bus, are suitable for double-connection switch measures in an underground power supply system, and guarantee the safety of power failure maintenance.
3) The explosion-proof contact box can realize direct splicing of the connection platform installation of the underground high-voltage distribution device, does not need an extra external cable, can effectively avoid the possibility of direct touch of coal mine workers and bus contact cables, and improves safety.
Drawings
Fig. 1 is a schematic diagram of a connection of a single bus bar connection cabinet in the prior art.
Fig. 2 is a schematic view of the connection of the double-bus connection cabinet in the embodiment of the present invention.
Fig. 3 is a schematic diagram of a three-phase interconnection terminal block in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 2, the embodiment of the utility model provides a double-bus connection cabinet device of a flame-proof type high-voltage distribution device, which comprises two flame-proof power distribution cabinets 1 and a flame-proof connection box 4;
one explosion-proof power distribution cabinet 1 is used as a bus connection cabinet in one section of explosion-proof power distribution cabinet, and the other explosion-proof power distribution cabinet 1 is used as a bus connection cabinet in the other section of explosion-proof power distribution cabinet; the bus connection cabinet is not provided with a load and is used for connecting two sections of buses so as to meet the requirements of users for selecting different operation modes or ensure that the load is selectively cut off under the condition of failure;
the explosion-proof power distribution cabinet 1 comprises an explosion-proof cabinet body 101, and a bus cavity 2 and a wire outlet cavity 3 are arranged at the rear end of the explosion-proof cabinet body 101; the bus cavity 2 is separated from the wire outlet cavity 3 and is positioned above the wire outlet cavity 3; an A-phase incoming line static contact seat 201, a B-phase incoming line static contact seat 202, a C-phase incoming line static contact seat 203, an A-phase incoming line bus bar 204, a B-phase incoming line bus bar 205 and a C-phase incoming line bus bar 206 which are respectively connected with the A-phase incoming line static contact seat 201, the B-phase incoming line static contact seat 202 and the C-phase incoming line static contact seat 203 are arranged in the bus cavity 2; an A-phase outlet static contact seat 301, a B-phase outlet static contact seat 302, a C-phase outlet static contact seat 303, an A-phase outlet bus bar 304, a B-phase outlet bus bar 305 and a C-phase outlet bus bar 306 which are respectively connected with the A-phase outlet static contact seat 301, the B-phase outlet static contact seat 302 and the C-phase outlet static contact seat 303 are arranged in the outlet cavity 3; the explosion-proof power distribution cabinet 1 controls the on-off between each phase incoming line static contact seat and each phase outgoing line static contact seat through a main circuit breaker;
the two explosion-proof power distribution cabinets 1 are arranged in parallel from left to right, and the explosion-proof contact box 4 is arranged between the wire outlet cavities 3 of the two explosion-proof power distribution cabinets 1; the side surface of the outlet cavity 3 of each flameproof power distribution cabinet 1 facing the flameproof contact box 4 is provided with an opening and a flange, and the left end and the right end of the flameproof contact box 4 are provided with flanges; the explosion-proof connection box 4 is connected with the explosion-proof power distribution cabinets 1 on two sides of the explosion-proof connection box through the joint surfaces of the explosion-proof flanges; bus bars of outgoing lines of each phase of the two explosion-proof power distribution cabinets 1 are respectively connected through conductors passing through the explosion-proof contact boxes 4;
as shown in fig. 3, as the optimization of the embodiment, a three-phase interconnection wiring bar 5 is arranged in the explosion-proof interconnection box 4; the three-phase interconnection line bank 5 is provided with an A interconnection line bank 501, a B interconnection line bank 502 and a C interconnection line bank 503 which are insulated from each other; the A connecting wiring row 501, the B connecting wiring row 502 and the C connecting wiring row 503 are all copper rows; bus bars of outgoing lines of each phase of the two flameproof power distribution cabinets 1 penetrate into flameproof contact boxes 4 through connecting bars to be correspondingly connected with connecting line bars;
the two ends of each connecting wiring bar of the three-phase connecting wiring bar 5 are provided with connecting holes 504, which is convenient for copper bars to be lapped and used;
when the double-bus connection cabinet device is used, the explosion-proof connection box 4 contains the whole three-phase connection wiring bar 5, and the left end and the right end of the explosion-proof connection box 4 are both provided with explosion-proof flange joint surfaces which are respectively combined with the corresponding explosion-proof flange joint surfaces of the two explosion-proof power distribution cabinets 1, so that the integral explosion-proof performance is ensured;
in this embodiment, the explosion-proof power distribution cabinet 1 on the right side in fig. 2 is used with the wires in and out reversed, the lower wire outlet cavity 3 is connected with the bus, and the upper bus cavity 2 is connected with the bus;
the two explosion-proof power distribution cabinets 1 can realize the on-off of the buses, are suitable for double-connection switch measures in an underground power supply system, and guarantee the safety of power failure maintenance.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (5)
1. A double-bus connection cabinet device of an explosion-proof high-voltage distribution device is characterized by comprising two explosion-proof distribution cabinets (1) and an explosion-proof connection box (4);
one flameproof power distribution cabinet (1) is used as a bus connection cabinet in one section of flameproof power distribution cabinet, and the other flameproof power distribution cabinet (1) is used as a bus connection cabinet in the other section of flameproof power distribution cabinet;
the explosion-proof power distribution cabinet (1) comprises an explosion-proof cabinet body (101), and a bus cavity (2) and a wire outlet cavity (3) are arranged at the rear end of the explosion-proof cabinet body (101); the bus cavity (2) is separated from the wire outlet cavity (3) and is positioned above the wire outlet cavity (3); an A-phase incoming line static contact seat (201), a B-phase incoming line static contact seat (202), a C-phase incoming line static contact seat (203), an A-phase incoming line bus bar (204), a B-phase incoming line bus bar (205) and a C-phase incoming line bus bar (206) which are respectively connected with the A-phase incoming line static contact seat (201), the B-phase incoming line static contact seat (202) and the C-phase incoming line static contact seat (203) are arranged in the bus cavity (2); an A-phase outgoing line static contact seat (301), a B-phase outgoing line static contact seat (302), a C-phase outgoing line static contact seat (303), an A-phase outgoing line bus bar (304), a B-phase outgoing line bus bar (305) and a C-phase outgoing line bus bar (306) which are respectively connected with the A-phase outgoing line static contact seat (301), the B-phase outgoing line static contact seat (302) and the C-phase outgoing line static contact seat (303) are arranged in the outgoing line cavity (3);
the two explosion-proof power distribution cabinets (1) are arranged in parallel from left to right, and the explosion-proof contact box (4) is arranged between the wire outlet cavities (3) of the two explosion-proof power distribution cabinets (1); the side surface of the outlet cavity (3) of each flameproof power distribution cabinet (1) facing the flameproof connection box (4) is provided with an opening and a flange, and the left end and the right end of the flameproof connection box (4) are provided with flanges; the explosion-proof connection box (4) is connected with the explosion-proof power distribution cabinets (1) on the two sides of the explosion-proof connection box through an explosion-proof flange joint surface; bus bars of outgoing lines of each phase of the two explosion-proof power distribution cabinets (1) are respectively connected through conductors passing through the explosion-proof contact boxes (4).
2. The double-bus connection cabinet device of the flameproof high-voltage distribution device according to claim 1,
and the explosion-proof power distribution cabinet (1) controls the on-off between each phase of incoming line static contact seat and each phase of outgoing line static contact seat through a main breaker.
3. The double-bus connection cabinet device of the flameproof high-voltage distribution device according to claim 1,
a three-phase interconnection line bank (5) is arranged in the explosion-proof interconnection box (4); the three-phase interconnection wiring bar (5) is provided with an A connection wiring bar (501), a B connection wiring bar (502) and a C connection wiring bar (503) which are insulated with each other; and the outgoing bus bars of each phase of the two flameproof power distribution cabinets (1) penetrate into the flameproof contact boxes (4) through the connecting bars and are correspondingly connected with the connecting bars.
4. The double-bus connection cabinet device of the flameproof high-voltage distribution device of claim 3,
the three-phase interconnection wiring bar (5) adopts a copper bar.
5. The double-bus connection cabinet device of the flameproof high-voltage distribution device of claim 3,
and both ends of each connecting wiring bar of the three-phase connecting wiring bar (5) are provided with connecting holes (504).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052319.5U CN217240012U (en) | 2022-05-05 | 2022-05-05 | Double-bus connection cabinet device of explosion-proof high-voltage distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052319.5U CN217240012U (en) | 2022-05-05 | 2022-05-05 | Double-bus connection cabinet device of explosion-proof high-voltage distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217240012U true CN217240012U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221052319.5U Active CN217240012U (en) | 2022-05-05 | 2022-05-05 | Double-bus connection cabinet device of explosion-proof high-voltage distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217240012U (en) |
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2022
- 2022-05-05 CN CN202221052319.5U patent/CN217240012U/en active Active
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