CN216720761U - Inflation unit for environment-friendly gas cabinet - Google Patents
Inflation unit for environment-friendly gas cabinet Download PDFInfo
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- CN216720761U CN216720761U CN202123095777.5U CN202123095777U CN216720761U CN 216720761 U CN216720761 U CN 216720761U CN 202123095777 U CN202123095777 U CN 202123095777U CN 216720761 U CN216720761 U CN 216720761U
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- circuit breaker
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Abstract
The utility model relates to the technical field of environment-friendly gas cabinets, and discloses an inflation unit for an environment-friendly gas cabinet, which comprises a bus connector, an isolating switch, a circuit breaker, a down-leading bus connection, a cable wiring terminal, a grounding switch and a sealing support shell, wherein the bus connector is provided with a wiring terminal, one end of the wiring terminal is provided with an installation threaded hole, and the other end of the wiring terminal is provided with an isolating static contact; the bus connector is provided with an insulating support to play a role in insulating, supporting and sealing the bus connector. The isolating switch consists of an isolating blade group, an isolating operation transmission system and an isolating operation mechanism. The environment-friendly inflation unit for the environment-friendly inflation cabinet has the advantages of compact switch structure, small volume, low operation and maintenance cost, convenience in combination, obvious isolation and grounding fracture, strong on-off and dynamic heat bearing stability and closing capability, and the switch of the environment-friendly inflation unit can be widely applied and can obviously reduce the investment of electric power facilities.
Description
Technical Field
The utility model relates to the technical field of environment-friendly gas cabinets, in particular to an inflation unit for an environment-friendly gas cabinet.
Background
The environment-friendly inflating unit for the environment-friendly inflating cabinet adopts an isolating switch which can bear dynamic and thermal stability and has an obvious isolation fracture; the breaker with the vacuum arc-extinguishing chamber is adopted, so that the capacity of opening and closing the short-circuit current is strong; the grounding switch with strong closing capability and strong dynamic and thermal stability is adopted; the stainless steel plate is adopted to weld the shell for sealing, and the electric element is sealed in the shell and is free from being influenced by the external environment and maintenance. The medium-voltage switchgear is continuously developed towards the directions of safety, reliability, intelligence, environmental protection and miniaturization, so the environment-friendly gas-filled cabinet has high performance and high reliability, and the environment-friendly maintenance-free switch cabinet has profound significance for the development of the power industry.
To this end, we propose an aeration unit for an environmentally friendly gas cabinet.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problems in the prior art and provides an inflation unit for an environment-friendly gas cabinet.
In order to achieve the purpose, the utility model adopts the following technical scheme that the inflation unit for the environment-friendly gas cabinet comprises a bus connector, an isolating switch, a circuit breaker, a down-leading bus connection, a cable wiring terminal, a grounding switch and a sealing support shell, wherein the bus connector is provided with a wiring terminal, one end of the wiring terminal is provided with an installation threaded hole, and the other end of the wiring terminal is provided with an isolating static contact; the bus connector is provided with an insulating support to play a role in insulating, supporting and sealing the bus connector, and the isolating switch consists of an isolating blade set, an isolating operation transmission system and an isolating operation mechanism;
the circuit breaker consists of a three-phase pole, a spring operating mechanism and a circuit breaker transmission system;
the three-phase pole is hinged with the isolation blade set, namely one end of the three-phase pole of the circuit breaker is also a part of the isolation switch (an isolation movable cutter holder). The down leading bus connection is composed of a group of connecting pieces with functional structures, one end of each connecting piece is connected with a breaker, and the other end of each connecting piece is connected with a cable connecting terminal;
the cable connecting terminal consists of an insulating support part and a conductive transmission part, wherein the insulating support part plays a role in insulating the primary conductive part and also plays a role in supporting and mounting;
the grounding switch is composed of a grounding cutter holder, a grounding component group, a grounding transmission system and an operating mechanism.
Preferably, the isolating blade set of the isolating switch is hinged to one end inside a three-phase pole of the circuit breaker, that is, one end of the three-phase pole of the circuit breaker is also a part of the isolating switch (isolating movable knife seat).
Preferably, the busbar connector, disconnector, circuit breaker, down-leading busbar connection, cable terminal and earthing switch electrical components are all mounted on and sealed within a sealed support housing.
Preferably, the bus connector, the disconnector, the circuit breaker, the down-lead bus connection, the cable connection terminal and the earthing switch electrical component are arranged in the sealed support housing in the order of the serial number from top to bottom.
Preferably, the A-phase, B-phase and C-phase three-phase pole posts of the circuit breaker are arranged in a rear, middle and front mode, and are connected to the A-phase, B-phase and C-phase three-phase pole posts of the cable connecting terminal in a switching mode through a down-leading bus connection and arranged in a left, middle and right mode.
Advantageous effects
The utility model provides an inflation unit for an environment-friendly gas cabinet. The method has the following beneficial effects:
the environment-friendly inflation unit for the environment-friendly inflation cabinet has the advantages of compact switch structure, small volume, low operation and maintenance cost, convenience in combination, obvious isolation and grounding fracture, strong on-off and dynamic heat bearing stability and closing capability, and the switch of the environment-friendly inflation unit can be widely applied and can obviously reduce the investment of electric power facilities.
The environment-friendly inflation unit has the advantages of compact structure, small volume, reliable operation, no maintenance, convenient combination, obvious isolation fracture and obvious grounding fracture, the circuit breaker adopts the vacuum arc-extinguishing chamber with strong on-off capability, and the environment-friendly inflation cabinet applying the environment-friendly inflation unit has strong dynamic heat bearing stability and on-off performance, and can obviously reduce the investment of electric power facilities, increase the reliability of power supply and reduce the maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, and sizes of the present disclosure are only used to match the contents disclosed in the present disclosure, so that those skilled in the art can understand and read the present disclosure, and the present disclosure is not limited to the conditions that the present disclosure can be implemented, so that the present disclosure has no technical significance.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the present invention in a live operating condition;
FIG. 3 is a schematic diagram of the power-off maintenance state of the present invention;
fig. 4 is a schematic diagram of the circuit breaker of the present invention;
FIG. 5 is a schematic view of a bus connector according to the present invention;
fig. 6 is a schematic view of a cable terminal according to the present invention.
Illustration of the drawings:
1. a bus connector; 2. an isolating switch; 3. a circuit breaker; 4. connecting a down leading bus; 5. a cable terminal; 6. a grounding switch; 7. a sealed support housing; 8. a binding post; 9. isolating the blade set; 10. Isolating the operating drive train; 11. an isolation operating mechanism; 12. a three-phase pole; 13. a spring operating mechanism; 14. a circuit breaker drive train; 15. a grounding tool apron; 16. a grounding member set; 17. and (3) a grounding transmission system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): an inflation unit for an environment-friendly gas cabinet is shown in figures 1-6 and comprises a bus connector 1, an isolating switch 2, a circuit breaker 3, a down-leading bus connection 4, a cable wiring terminal 5, a grounding switch 6 and a sealing support shell 7, wherein the bus connector 1 is provided with a wiring terminal 8, one end of the wiring terminal is provided with a mounting threaded hole, and the other end of the wiring terminal is provided with an isolating static contact; the bus connector 1 is provided with an insulating support to play a role in insulating, supporting and sealing the bus connector 1. Isolator 2 comprises isolation blade group 9 and isolation operation transmission system 10, isolation operation mechanism 11, circuit breaker 3 comprises three-phase utmost point post 12 and spring operating device 13 and circuit breaker transmission system 14, three-phase utmost point post 12 is connected with isolation blade group 9 is articulated, also is one part of isolator 2 (keep apart and move the blade holder) that is exactly three-phase utmost point post 12's of circuit breaker 3 one end. The down-leading bus connection 4 is composed of a set of functional structure connecting pieces, one end is connected with the other end of the breaker 3 and is connected with the cable wiring terminal 5, the cable wiring terminal 5 is composed of an insulation supporting part and a conductive transmission part, wherein the insulation supporting part not only plays the insulation role of a primary conductive part, but also plays the role of supporting and installing, meanwhile, the insulation supporting part is provided with a sealing groove for installing a sealing ring and playing the sealing role of installing the cable wiring terminal 5 and a sealing supporting shell 7 in a matching way, and the grounding switch 6 is composed of a grounding tool apron 15, a grounding part group 16, a grounding transmission system 17 and an operating mechanism 18.
The isolating blade set 9 of the isolating switch 2 is hinged with one end in the three-phase pole 12 of the circuit breaker 3, that is, one end of the three-phase pole 12 of the circuit breaker 3 is also a part of the isolating switch 2 (an isolating movable knife seat). The busbar connector 1, disconnector 2, circuit breaker 3, down-leading busbar connection 4, cable connection terminal 5 and earthing switch 6 electrical components are all mounted on a sealed support housing 7 and sealed within the sealed support housing 7. The bus connector 1, the disconnector 2, the circuit breaker 3, the down-lead bus connection 4, the cable connection terminal 5 and the earthing switch 6 electrical components are arranged in sequence from top to bottom in the sealed supporting housing 7 in order of their serial numbers. The circuit breaker 3A phase, B phase and C phase three-phase pole columns are arranged in the back, middle and front directions and are switched to the cable wiring terminal 5A phase, B phase and C phase three-phase pole columns through the down-leading bus connection 4 to be arranged in the left, middle and right directions.
The charged running state: as shown in fig. 2, when the current is input to the terminal 8 of the bus connector 1 from the external bus, then flows through the isolation blade set 9 of the isolation switch 2, and then is conducted to the three-phase pole 12 of the circuit breaker 3, the circuit breaker 3 is controlled to be in the on position by the spring operating mechanism 13, the current is transmitted to the down-leading bus connection 4 through the three-phase pole 12 of the circuit breaker 3, the down-leading bus connection 4 transmits the current to the terminal core 18 of the cable connecting terminal 5 connected with the down-leading bus connection 4, and finally the current is output to the external cable through the terminal core 18 of the cable connecting terminal 5, and the current output is completed. During the power-on current output, the grounding switch 6 is in the open state under the control of the operating spring operating mechanism 13.
And (3) power failure process: as shown in fig. 2, the circuit breaker 3 is controlled by the spring operating mechanism 13 to be in the opening position, the isolation operating mechanism 11 controls the isolation operating transmission system 10 to separate the isolation blade set 9 to the position shown in fig. 3, and the spring operating mechanism 13 is operated to control the grounding switch 6 to be in the closing state, so that the power failure is completed.
Maintenance state: as shown in fig. 3: isolator 2 is in the position of separating the floodgate, and earthing switch 6 is in the position of closing the floodgate, can the environmental protection aerify the unit and overhaul and maintain, because the unit is aerifyd in the environmental protection once electrified system is in completely sealedly to fill with the protection of pressure-fired environmental protection air, so only need to maintain to external naked part can.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. Gas cabinet of environmental protection is with aerifing unit, including bus connector (1), isolator (2), circuit breaker (3), draw busbar connection (4), cable connecting terminal (5), earthing switch (6) and sealed support housing (7), its characterized in that down: the bus connector (1) is provided with a binding post (8), one end of the binding post (8) is provided with a mounting threaded hole, and the other end of the binding post (8) is provided with an isolation static contact; the bus connector (1) is provided with an insulating support to play a role in insulating, supporting and sealing the bus connector (1), and the isolating switch (2) consists of an isolating blade set (9), an isolating operation transmission system (10) and an isolating operation mechanism (11);
the circuit breaker (3) consists of a three-phase pole (12), a spring operating mechanism (13) and a circuit breaker transmission system (14);
the three-phase pole (12) is hinged with the isolation blade set (9), namely one end of the three-phase pole (12) of the circuit breaker (3) is also part of the isolation switch (2);
the down leading bus connection (4) consists of a group of connecting pieces with functional structures, one end of the down leading bus connection is connected with the breaker (3), and the other end of the down leading bus connection is connected with the cable wiring terminal (5);
the cable wiring terminal (5) consists of an insulating support part and a conductive transmission part, wherein the insulating support part plays both the insulating role of a primary conductive part and the supporting and mounting role, and the insulating support is provided with a sealing groove for mounting a sealing ring and playing the sealing role of sealing the cable wiring terminal (5) and a sealing support shell (7) in matched mounting;
the grounding switch (6) consists of a grounding tool apron (15), a grounding part set (16), a grounding transmission system (17) and an operating mechanism (18);
the sealing support shell (7) is formed by welding a group of stainless steel plates.
2. The gas cell for an environmentally friendly gas cabinet according to claim 1, wherein: the isolating blade set (9) of the isolating switch (2) is hinged and connected with one end in the three-phase pole (12) of the circuit breaker (3), namely one end of the three-phase pole (12) of the circuit breaker (3) is also one part of the isolating switch (2).
3. The gas cell for an environmentally friendly gas cabinet according to claim 1, wherein: bus connector (1), isolator (2), circuit breaker (3), drop bus connection (4), cable connecting terminal (5) and earthing switch (6) electrical component all install on sealed support casing (7) and sealed in sealed support casing (7).
4. The gas cell for an environmentally friendly gas cabinet according to claim 1, wherein: the bus connector (1), the disconnecting switch (2), the circuit breaker (3), the down-leading bus connection (4), the cable wiring terminal (5) and the grounding switch (6) are sequentially arranged in the sealed supporting shell (7) from top to bottom according to the sequence of the serial numbers.
5. The gas cell for an environmentally friendly gas cabinet according to claim 1, wherein: the circuit breaker (3) is characterized in that A-phase, B-phase and C-phase three-phase pole posts (12) are arranged in the back, middle and front directions and are switched to a cable wiring terminal (5) through a down-leading bus connection (4) so that the A-phase, B-phase and C-phase three-phase pole posts (12) are arranged in the left, middle and right directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123095777.5U CN216720761U (en) | 2021-12-10 | 2021-12-10 | Inflation unit for environment-friendly gas cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123095777.5U CN216720761U (en) | 2021-12-10 | 2021-12-10 | Inflation unit for environment-friendly gas cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216720761U true CN216720761U (en) | 2022-06-10 |
Family
ID=81884093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123095777.5U Active CN216720761U (en) | 2021-12-10 | 2021-12-10 | Inflation unit for environment-friendly gas cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216720761U (en) |
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2021
- 2021-12-10 CN CN202123095777.5U patent/CN216720761U/en active Active
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