CN214755147U - High-voltage cabinet of air insulation vacuum circuit breaker - Google Patents
High-voltage cabinet of air insulation vacuum circuit breaker Download PDFInfo
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- CN214755147U CN214755147U CN202120076931.5U CN202120076931U CN214755147U CN 214755147 U CN214755147 U CN 214755147U CN 202120076931 U CN202120076931 U CN 202120076931U CN 214755147 U CN214755147 U CN 214755147U
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- circuit breaker
- vacuum circuit
- grounding switch
- isolation
- vacuum
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Abstract
The high-voltage cabinet of the air insulation vacuum circuit breaker comprises a box body and a vacuum circuit breaker and isolation/grounding switch combined unit, and the design mode brings convenience and high efficiency in production. This vacuum circuit breaker has adopted modular design, reliable, environmental protection, non-maintaining, product life cycle is long, compares through the excellent shortcoming of equal level product, has avoidd the shortcoming of current product, and air insulation does not fill other gas and is main insulating, does not have the gas leakage and causes the atmosphere pollution and bring the danger of burning out equipment because of gas leakage, environmental protection. An independent vacuum circuit breaker and isolation/grounding switch integrated unit is designed, and the vacuum circuit breaker and grounding switch integrated unit is convenient to install and efficient.
Description
Technical Field
The utility model relates to an air insulation vacuum circuit breaker high-voltage board.
Background
The prior art has defects or shortcomings:
at present, an inflatable insulation cabinet and a non-inflatable insulation cabinet are classified in a high-voltage cabinet. The gas-filled cabinet is divided into two types, wherein SF6 gas and environment-friendly gas are gas main insulation. The non-inflatable insulation cabinet is divided into two types: withdrawable and fixed circuit breaker switch cabinet represented by KYN centrally installed switchgear. Two kinds of composite solid insulated switches.
Inflating the cabinet: the advantages are that; small volume, low cost and small floor area.
The disadvantages are as follows: air leakage, once air leakage occurs in the high-voltage cabinet, the danger degree of consequences is high. Air pollution and high difficulty in installation and debugging of products. The whole group of core parts of the product is scrapped when problems occur.
A non-inflatable cabinet: the advantages are that; the middle cabinet has high product maturity and wide application. A solid composite insulation cabinet; small volume, low cost and small occupied area.
The disadvantages are as follows: the centrally installed switchgear is large in size, long in maintenance, complex in interlocking and large in occupied area. The solid composite insulating cabinet has low safety coefficient, dirty surface, partial amplification, complex manufacturing process and defective and whole set of product core components, so the improvement is necessary.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an air insulation vacuum circuit breaker high-voltage board of reliable, environmental protection, non-maintaining, product life cycle length.
In order to solve the above problem, the utility model adopts the following technical scheme:
the high-voltage cabinet of the air insulation vacuum circuit breaker comprises a box body and a vacuum circuit breaker and an isolation/grounding switch unit.
Preferably, the box body is provided with a guide rail, the vacuum circuit breaker and isolation/grounding switch combined unit is arranged on the guide rail, and the vacuum circuit breaker and isolation/grounding switch combined unit can be pushed into the box body through the guide rail, so that the installation is very convenient.
Preferably, the vacuum circuit breaker is positioned above the single isolating/grounding switch, and a sufficient gap is formed between the vacuum circuit breaker and the single isolating/grounding switch, so that the operation and maintenance of workers can be facilitated.
Preferably, the vacuum circuit breaker and the isolation/grounding switch monomer are both connected with the outer wall of the box body through bolts, a bolt connection mode is adopted, the connection structure is simple, and meanwhile, installation and replacement of workers are facilitated.
Preferably, the high-voltage cabinet of the air-insulated vacuum circuit breaker further comprises a transmission mechanism, a pushing piece and a vacuum bulb; the vacuum circuit breaker and the isolation/grounding switch combined unit are linked with various corresponding transmission mechanisms; the transmission mechanism is also configured to close the vacuum bubble to connect a load circuit through the transmission mechanism and the pushing piece after the circuit breaker stores energy; the transmission mechanism is also configured to pull the vacuum bubble open by the pusher to break the load circuit.
The working principle is as follows: the vacuum circuit breaker and the isolation/grounding switch monomer form an independent unit, and the operation machinery separates the grounding switch and closes the isolation switch. The electric/mechanical circuit breaker stores energy, closes the circuit breaker, provides a safe and reliable closed circuit for a load, and provides high-voltage power supply. Electrically/mechanically operated opening circuit breaker, separating isolating switch, mechanical earthing switch. The high-voltage line or the load is disconnected, the high-voltage line is separated for the load, an obvious disconnection point is provided, and safety maintenance guarantee is provided for grounding of the load.
The utility model has the advantages that: a modular design is adopted; the product is reliable, environment-friendly, maintenance-free and long in whole life cycle, and the defects of the existing product are avoided through comparing the advantages and the defects of the same-grade product, so that the air is insulated; other gases are not filled as main insulation, so that the air pollution caused by gas leakage and the danger of burning the equipment caused by gas leakage do not exist. Design independent circuit breaker unit, simple to operate, it is high-efficient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a front view of the air-insulated vacuum circuit breaker of the present invention.
Fig. 2 is a schematic structural diagram of an air-insulated vacuum circuit breaker according to the present invention.
Fig. 3 is a schematic structural diagram of a box body of the air-insulated vacuum circuit breaker of the present invention.
Fig. 4 is the utility model relates to a structure schematic diagram of the switch combined floodgate of air insulation vacuum circuit breaker.
In the figure:
1. a box body; 2. a vacuum circuit breaker; 3. an isolation/grounding switch monomer; 4. a grounding switch; 5. an isolating switch; 6. a transmission mechanism; 7. a pusher member; 8. vacuum bubble; 9. isolating the disconnecting link; 10. and a grounding knife switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a conventional manner such as bolt fixing, pin shaft connecting, adhesive fixing, or rivet fixing, which is commonly used in the prior art, and therefore, the detailed description thereof will not be provided in the examples.
Examples
As shown in fig. 1 to 4, an air-insulated vacuum circuit breaker includes
A case 1, and a vacuum circuit breaker 2 and an isolating/grounding switch 3 combined unit.
In this embodiment, be provided with guide rail 11 on the box 1, vacuum circuit breaker 2 and isolation/earthing switch 3 combination unit install on the guide rail, and vacuum circuit breaker 2 and isolation/earthing switch combination unit 3 can be in the guide rail propulsion box 1, and it is very convenient to install.
In this embodiment, the vacuum circuit breaker 2 is located above the single isolating/grounding switch 3, and a sufficient gap is formed between the vacuum circuit breaker 2 and the single isolating/grounding switch 3, so that the operation and maintenance of workers can be facilitated.
In this embodiment, vacuum circuit breaker 2 and isolation/earthing switch monomer 3 all with the outer wall bolted connection of box 1, adopted bolted connection's mode, connection structure is simple, makes things convenient for staff's installation and change simultaneously.
The operation principle is as follows:
switching on the switch; the grounding switch 4 is separated, the isolating switch 5 is closed, a main shaft is driven in the same mechanism, interlocking is reliable, the mechanism can lock an electric energy storage loop and an electromagnetic closing loop by using an auxiliary contact, the electric energy storage loop is allowed only by closing the isolating disconnecting link 9, after the circuit breaker 2 stores energy, the circuit breaker mechanism is closed, and the vacuum bubble 8 is closed by the transmission mechanism 6 and the pushing piece 7, so that a load loop is connected.
The switching-off process of the switch: the breaker is operated to open, and the pushing piece 7 pulls the vacuum bubble 8 through the transmission mechanism 6, so that the load loop is disconnected. The isolating switch is separated by operating the isolating mechanism, the isolating switch is in an isolating state, the grounding switch 4 is operated, and the load is overhauled and safely protected and grounded.
The utility model has the advantages that: a modular design is adopted; reliable, environmental protection, maintenance are convenient, the product life cycle is long, compares through the excellent shortcoming of equal level product, has avoidd the shortcoming of current product, and air insulation does not fill other gas and is main insulation, does not have the danger that gas leakage caused the atmosphere pollution and brought the burnout equipment because of gas leakage. Design independent circuit breaker unit, simple to operate, it is high-efficient.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention.
Claims (1)
1. Air insulation vacuum circuit breaker high-voltage board, its characterized in that: comprises that
A case body, and
a vacuum circuit breaker and isolation/grounding switch combination unit;
the box body is provided with a guide rail, and the vacuum circuit breaker and isolation/grounding switch combined unit is arranged on the guide rail;
the vacuum circuit breaker is positioned above the isolation/grounding switch monomer;
the vacuum circuit breaker and the isolation/grounding switch monomer are both connected with the outer wall of the box body through bolts;
also comprises a transmission mechanism, a pushing piece and a vacuum bulb; the vacuum circuit breaker and the isolation/grounding switch combined unit are linked with various corresponding transmission mechanisms;
the transmission mechanism is also configured to close the vacuum bubble to connect a load circuit through the transmission mechanism and the pushing piece after the circuit breaker stores energy;
the transmission mechanism is also configured to pull the vacuum bubble open by the pusher to break the load circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120076931.5U CN214755147U (en) | 2021-01-13 | 2021-01-13 | High-voltage cabinet of air insulation vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120076931.5U CN214755147U (en) | 2021-01-13 | 2021-01-13 | High-voltage cabinet of air insulation vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214755147U true CN214755147U (en) | 2021-11-16 |
Family
ID=78638917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120076931.5U Active CN214755147U (en) | 2021-01-13 | 2021-01-13 | High-voltage cabinet of air insulation vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214755147U (en) |
-
2021
- 2021-01-13 CN CN202120076931.5U patent/CN214755147U/en active Active
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