CN211428612U - High-voltage switch cabinet structure - Google Patents
High-voltage switch cabinet structure Download PDFInfo
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- CN211428612U CN211428612U CN201922236557.6U CN201922236557U CN211428612U CN 211428612 U CN211428612 U CN 211428612U CN 201922236557 U CN201922236557 U CN 201922236557U CN 211428612 U CN211428612 U CN 211428612U
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Abstract
The utility model discloses a high tension switchgear structure belongs to a high-tension apparatus class facility. A high-voltage switch cabinet structure comprises a main cabinet and an auxiliary cabinet, wherein the main cabinet comprises a main bus and a communication circuit, the auxiliary cabinet comprises a standby bus and an isolating switch, and the main cabinet is electrically connected with the auxiliary cabinet through the communication circuit; the isolating switch comprises a first switch, a second switch, a grounding switch and an output end; the first switch is switched on, the second switch is switched off, and the main bus supplies power when the grounding switch is switched off; the first switch is switched off, the second switch is switched on, when the grounding switch is switched off, the standby bus supplies power, the power supply switching of the main line and the standby line is realized by controlling the isolating switch, and when one cabinet body breaks down, the circuit is supplied with power by the other cabinet body, so that the maintenance without stopping is realized.
Description
Technical Field
The utility model relates to a high-tension apparatus field especially relates to high tension switchgear structure.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, the high-voltage switch cabinet is used as an electric appliance product with the voltage grade of 3.6-550 kV, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectioning device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like. The switch cabinet has the functions of overhead incoming and outgoing lines, cable incoming and outgoing lines, bus connection and the like.
At present, a plurality of problems are exposed in the actual operation of the high-voltage switch cabinet, the improvement of the power supply reliability is restricted, and the load cannot be flexibly adjusted among all sections of buses; when the high-voltage switch cabinet breaks down, the high-voltage switch cabinet needs to be powered off for maintenance and overhaul, and cannot be quickly isolated and supplied with power; power failure is needed when components in the current transformer and the like are replaced; thereby affecting the overall line supply.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high pressure switch cabinet structure, need whole circuit to shut down the problem of maintaining when solving high tension switchgear components and parts trouble.
To achieve the purpose, the utility model adopts the following technical proposal:
a high-voltage switch cabinet structure comprises a main cabinet and an auxiliary cabinet, wherein the main cabinet comprises a main bus and a communication circuit, the auxiliary cabinet comprises a standby bus and an isolating switch, and the main cabinet is electrically connected with the auxiliary cabinet through the communication circuit;
the isolating switch comprises a first switch, a second switch, a grounding switch and an output end;
the first switch is switched on, the second switch is switched off, and the main bus supplies power when the grounding switch is switched off;
the first switch is switched off, the second switch is switched on, when the grounding switch is switched off, the standby bus supplies power, when the high-voltage switch cabinet is normally used, power is input from the main bus, the isolating switch is switched on by the interconnection circuit, the first switch of the isolating switch is switched on, the second switch is switched off by the grounding switch, the main bus is switched on by the circuit of the output end of the isolating switch, and the power is supplied by the main bus; when the main cabinet breaks down, the first switch is switched off, the main cabinet stops supplying power, the second switch is switched on, the grounding switch is switched off, the standby bus is conducted with the circuit of the isolating switch output end, the standby bus supplies power at the moment, the power supply switching of the main and standby lines is realized by controlling the isolating switch, and when one cabinet body breaks down, the circuit is supplied with power by the other cabinet body, so that the maintenance without stopping the machine is realized.
Optionally, the isolating switch comprises an operating mechanism and a circuit control mechanism, the operating mechanism is provided with an operating rod, the operating mechanism is respectively linked with the first switch, the second switch and the grounding switch, and the operating mechanism is electrically connected with the circuit control mechanism, so that the isolating switch can be manually operated and electrically controlled.
Optionally, the main cabinet and the auxiliary cabinet are separately arranged side by side, the communication circuit is a cable, an underground cable channel is arranged between the main cabinet and the auxiliary cabinet, and the main cabinet and the auxiliary cabinet do not interfere with each other in working.
Optionally, a maintenance channel is preset between the main cabinet and the auxiliary cabinet, and the maintenance channel is convenient for manual maintenance.
Optionally, the main cabinet and the auxiliary cabinet are spliced and installed to form an integrated structure, the communication circuit is a cable, an underground cable channel is arranged between the main cabinet and the auxiliary cabinet, and the integrated cabinet body saves space.
Optionally, the main cabinet with vice cabinet concatenation installation formula structure as an organic whole, the interconnection circuit is the copper bar, the main cabinet is provided with first mounting hole, vice cabinet is provided with the second mounting hole, the one end of copper bar is passed first mounting hole with the main cabinet electricity is connected, the other end of copper bar is passed the second mounting hole with vice cabinet electricity is connected, the simple structure of copper bar, and the cost is lower.
Optionally, the main cabinet still includes circuit breaker and electronic chassis car, the bottom of electronic chassis car is provided with the guide rail, the circuit breaker sets up chassis car top surface, the circuit breaker is provided with the first contact that is used for the electricity to connect the main bus and is used for the second contact of electricity connection contact circuit.
Optionally, the first contact and the second contact are both tulip contacts, and the tulip contacts are rapidly plugged.
Optionally, the main bus is a tubular bus, a ventilation device is arranged on the left side of the tubular bus, a ventilation opening is formed in the right side of the tubular bus, a circulating air duct is formed in the center of the tubular bus, and the main bus is convenient for heat dissipation.
Optionally, the main cabinet and the auxiliary cabinet are provided with a plurality of independent chambers for accommodating circuit components, the independent chambers are provided with space margins, and the independent chambers are convenient for heat dissipation.
Compared with the prior art, the utility model discloses following beneficial effect has: when the high-voltage switch cabinet is normally used, electric power is input from the main bus, the isolating switch is switched on by the interconnection circuit, the first switch of the isolating switch is switched on, the second switch is switched off by the grounding switch, the main bus is switched on with the output end circuit of the isolating switch, and at the moment, the main bus supplies power; when the main cabinet breaks down, the first switch is switched off, the main cabinet stops supplying power, the second switch is switched on, the grounding switch is switched off, the standby bus is conducted with the circuit of the isolating switch output end, the standby bus supplies power at the moment, the power supply switching of the main and standby lines is realized by controlling the isolating switch, and when one cabinet body breaks down, the circuit is supplied with power by the other cabinet body, so that the maintenance without stopping the machine is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.
FIG. 1 is a schematic diagram of a separated main and auxiliary cabinet of a high-voltage switch cabinet structure;
FIG. 2 is a schematic view of a high-voltage switch cabinet structure integrated cable connection main and auxiliary cabinets;
FIG. 3 is a schematic view of the high-voltage switch cabinet structure integrated copper bar connection main and auxiliary cabinets;
FIG. 4 is a rear view of an auxiliary cabinet of the high-voltage switch cabinet structure;
FIG. 5 is a rear view of the auxiliary cabinet when the main bus of the high-voltage switch cabinet structure is powered;
fig. 6 is a rear view of the auxiliary cabinet when the bus of the high-voltage switch cabinet structure is powered.
Illustration of the drawings: the main cabinet 1, the auxiliary cabinet 2, the main bus 11, the interconnection circuit 12, the circuit breaker 13, the electric chassis 14, the shutter mechanism 15, the current transformer 16, the secondary control module 17, the backup bus 21, the isolating switch 22, the zero sequence transformer 23, the outgoing cable 24, the first contact 131, the second contact 131, the first switch 221, the second switch 222, the grounding switch 223, the output end 224, the operating mechanism 225, the circuit control mechanism 226, the main incoming line isolating knife 2211, the backup incoming line isolating knife 2221, the backup incoming line contact 2222, and the grounding knife 2231.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment of the utility model provides a high tension switchgear structure, including main cabinet 1 and auxiliary cabinet 2, main cabinet 1 includes main bus 11, circuit breaker 13, electronic chassis 14, valve mechanism 15, current transformer 16, secondary control module 17 and interconnection circuit 12, and auxiliary cabinet 2 includes spare bus 21, isolator 22, zero sequence transformer 23 and the outgoing line cable 24 that is used for electric power output, and isolator 22 is connected with main bus 11 electricity through interconnection circuit 12;
the isolating switch 22 includes a first switch 221, a second switch 222, a grounding switch 223 and an output terminal 224;
when the circuit normally operates, the first switch 221 is switched on, the second switch 222 is switched off, and when the grounding switch 223 is switched off, the breaker 13 is switched on, and at the moment, the main bus 11 supplies power; the output route of the electric power at this time is: the main bus 11, the breaker 13, the current transformer 16, the interconnection circuit 12, the isolating switch 22, the zero sequence transformer 23 and the outgoing cable 24;
when main cabinet 1 breaks down, circuit breaker 13 opens, and first switch 221 opens, and main bus 11 stops the power supply, and second switch 222 closes, and earthing switch 223 opens, is supplied power by being equipped with the inlet wire this moment, and the output route of electric power this moment is: a spare bus 21, a breaker 13, a zero sequence transformer 23 and an outlet cable 24; the power transmission terminal may be a high-voltage device such as a power converter.
When the whole circuit needs to be stopped, the first switch 221, the second switch 222 and the breaker 13 are respectively in the opening position, the grounding switch 223 is closed, and at the moment, the main and standby lines stop supplying power. The power supply switching of the main line and the standby line is realized by controlling the isolating switch, and when one cabinet body breaks down, the circuit is powered by the other cabinet body, so that the maintenance without stopping is realized.
Further, the disconnecting switch 22 includes an operating mechanism 225 and a circuit control mechanism 226, the first switch 221 includes a main incoming line isolating knife 2211, the second switch 222 includes a standby incoming line isolating knife 2221 and a standby incoming line contact 2222, the grounding switch 223 includes a grounding knife 2231, the operating mechanism 225 has an operating rod, the operating mechanism 225 is linked with the grounding knife 2231, the operating mechanism 225 is respectively linked with the main incoming line isolating knife 2211 and the standby incoming line isolating knife 2221 through an insulating member, the operating mechanism 225 is electrically connected with the circuit control mechanism 226, the insulating member, the operating mechanism 225 can link the grounding knife 2231, the grounding knife 2231 rotates clockwise, the grounding knife 2231 is switched on and is switched off, the grounding knife 2231 rotates counterclockwise, and the grounding knife 2231 is switched off; the operating mechanism 225 links the main incoming line isolating knife 2211 through the insulating piece, and rotates the main incoming line isolating knife 2211 clockwise to realize switching-on of the main incoming line isolating knife 2211, and rotates the main incoming line isolating knife 2211 anticlockwise to realize switching-off of the main incoming line isolating knife 2211; the operating mechanism 225 links the spare incoming line isolation knife 2221 through the insulating part, and clockwise rotates the spare incoming line isolation knife 2221 to realize switching-off of the spare incoming line isolation knife 2221, counterclockwise rotates the spare incoming line isolation knife 2221, and switches on the spare incoming line isolation knife 2221, so that the disconnecting switch 22 can be manually operated and electrically controlled.
In this embodiment, main cabinet 1 and vice cabinet 2 separately set up side by side, predetermine the interval between main cabinet 1 and the vice cabinet 2 and as maintenance channel, make things convenient for manual maintenance. Specifically, the interconnection circuit 12 is a cable, an underground cable channel is arranged between the main cabinet 1 and the auxiliary cabinet 2, the cable penetrates through the main cabinet 1 and is connected with the auxiliary cabinet 2 from the underground cable channel, so that the circuit between the main cabinet 1 and the auxiliary cabinet 2 is conducted, and the main cabinet 1 and the auxiliary cabinet 2 are protected from mutual influence during working.
In this embodiment, main cabinet 1 and vice cabinet 2 concatenation installation formula structure as an organic whole, and interconnection circuit 12 is the cable, and main cabinet 1 and vice cabinet 2 form the integral type structure through the concatenation mode of back of the body back formula, are provided with the underground cable passageway between main cabinet 1 and the vice cabinet 2, and the cabinet body formula structure as an organic whole practices thrift the space, improves space utilization.
In this embodiment, main cabinet 1 splices installation formula structure as an organic whole with vice cabinet 2, contact circuit 12 is the copper bar, main cabinet 1 is provided with first mounting hole, vice cabinet 2 is provided with the second mounting hole, the one end of copper bar is passed the second mounting hole and is connected with main cabinet 1 electricity, the other end of copper bar passes the second mounting hole and is connected with vice cabinet 2 electricity, main cabinet 1 forms the integral type structure with vice cabinet 2 through the concatenation mode of back of the body back formula, use the copper bar as the contact cable simultaneously, need not add extra cable passageway, the space that occupies simultaneously is also little, space utilization has been improved.
In this embodiment, the circuit breaker 13 is disposed on the upper plane of the electric chassis 14, the bottom of the electric chassis 14 is further provided with a guide rail, the guide rail is used for guiding the electric chassis 14 to move, the circuit breaker 13 is provided with a first contact 131 and a second contact 132, when the main cabinet 1 supplies power, the electric chassis 14 moves to the left along the guide rail, the circuit breaker 13 moves to close under the driving of the electric chassis 14, the circuit breaker 13 closes, the first contact 131 is electrically connected with the main bus 11, the second contact 132 is electrically connected with the communication circuit 12, at this time, the circuit goes from the main bus 11 to the circuit breaker 13 to the communication circuit 12, and in addition, the electric chassis 14 and the electric chassis 14 both have the function of electric operation.
Preferably, the first contact 131 and the second contact 132 are both tulip contacts, and the tulip contacts realize quick plugging, so that the circuit breaker 13 is convenient to conduct a circuit.
Optionally, the main bus 11 is a tubular bus, an air inlet is formed in the left side of the tubular bus, ventilation equipment is arranged at the air inlet, an air outlet is formed in the right side of the tubular bus, an air flow channel is formed among the air inlet, the center of the tubular bus and the air outlet, air is fed from the left side of the tubular bus, air is exhausted from the right side of the tubular bus, heat of the bus is taken out of the cabinet, and the problem of heating and temperature rising of.
Preferably, the main cabinet 1 and the auxiliary cabinet 2 are both provided with a plurality of independent chambers for accommodating circuit components, the independent chambers are provided with space margins, the space margins are that certain intervals are reserved between the components and the independent chambers, and the independent chambers are convenient for heat dissipation of the components.
The technical scheme of the utility model is not limited; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A high-voltage switch cabinet structure is characterized by comprising a main cabinet (1) and an auxiliary cabinet (2), wherein the main cabinet (1) comprises a main bus (11) and an interconnection circuit (12), the auxiliary cabinet (2) comprises a standby bus (21) and an isolating switch (22), and the main cabinet (1) is electrically connected with the auxiliary cabinet (2) through the interconnection circuit (12);
the isolating switch (22) comprises a first switch (221), a second switch (222), a grounding switch (223) and an output end (224);
the first switch (221) is switched on, the second switch (222) is switched off, and when the grounding switch (223) is switched off, the main bus (11) supplies power;
the first switch (221) is switched off, the second switch (222) is switched on, and when the grounding switch (223) is switched off, the standby bus (21) supplies power.
2. The high-voltage switch cabinet structure according to claim 1, wherein the isolating switch (22) further comprises an operating mechanism (225) and a circuit control mechanism (226), the operating mechanism (225) is provided with an operating rod, the operating mechanism (225) is respectively linked with the first switch (221), the second switch (222) and the grounding switch (223), and the operating mechanism (225) is electrically connected with the circuit control mechanism (226).
3. The high-voltage switch cabinet structure according to claim 1, characterized in that the main cabinet (1) and the auxiliary cabinet (2) are separately arranged side by side, the communication circuit (12) is a cable, an underground cable channel is arranged between the main cabinet (1) and the auxiliary cabinet (2), and the cable is buried in the underground cable channel.
4. The high-voltage switchgear structure according to claim 3, characterized in that a service aisle is foreseen between said main cabinet (1) and said auxiliary cabinet (2).
5. The high-voltage switch cabinet structure according to claim 1, wherein the main cabinet (1) and the auxiliary cabinet (2) are spliced and installed into an integrated structure, the interconnection circuit (12) is a cable, an underground cable channel is arranged between the main cabinet (1) and the auxiliary cabinet (2), and the cable is buried in the underground cable channel.
6. The high-voltage switch cabinet structure according to claim 1, wherein the main cabinet (1) and the auxiliary cabinet (2) are assembled and installed into a single structure, the communication circuit (12) is a copper bar, the main cabinet (1) is provided with a first installation hole, the auxiliary cabinet (2) is provided with a second installation hole, one end of the copper bar passes through the first installation hole to be electrically connected with the main cabinet (1), and the other end of the copper bar passes through the second installation hole to be electrically connected with the auxiliary cabinet (2).
7. The high-voltage switchgear structure according to claim 1, characterized in that said main cabinet (1) further comprises a circuit breaker (13) and an electric chassis (14), the bottom of said electric chassis (14) being slidably connected with rails, said circuit breaker (13) being arranged on said chassis top surface, said circuit breaker (13) being provided with a first contact (131) for electrically connecting the main bus (11) and a second contact (132) for electrically connecting the tie circuit (12).
8. The high voltage switchgear structure according to claim 7, characterized in that the first contact (131) and the second contact (132) are both tulip contacts.
9. The high-voltage switch cabinet structure according to claim 1, wherein the main bus bar (11) is a tubular bus bar, an air inlet is arranged on the left side of the tubular bus bar, an air outlet is arranged on the right side of the tubular bus bar, and an air flow channel is formed among the air inlet, the center of the tubular bus bar and the air outlet.
10. The high-voltage switch cabinet structure according to claim 1, wherein the main cabinet (1) and the auxiliary cabinet (2) are provided with a plurality of independent chambers for accommodating circuit components, and a certain interval is reserved between the circuit components and the independent chambers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922236557.6U CN211428612U (en) | 2019-12-13 | 2019-12-13 | High-voltage switch cabinet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922236557.6U CN211428612U (en) | 2019-12-13 | 2019-12-13 | High-voltage switch cabinet structure |
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| Publication Number | Publication Date |
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| CN211428612U true CN211428612U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922236557.6U Active CN211428612U (en) | 2019-12-13 | 2019-12-13 | High-voltage switch cabinet structure |
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| CN (1) | CN211428612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142377A (en) * | 2021-11-26 | 2022-03-04 | 平高集团有限公司 | Bus-tie lifting cabinet |
-
2019
- 2019-12-13 CN CN201922236557.6U patent/CN211428612U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142377A (en) * | 2021-11-26 | 2022-03-04 | 平高集团有限公司 | Bus-tie lifting cabinet |
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