CN116073274A - Air type environment-friendly breaker cabinet - Google Patents
Air type environment-friendly breaker cabinet Download PDFInfo
- Publication number
- CN116073274A CN116073274A CN202211685831.8A CN202211685831A CN116073274A CN 116073274 A CN116073274 A CN 116073274A CN 202211685831 A CN202211685831 A CN 202211685831A CN 116073274 A CN116073274 A CN 116073274A
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- Prior art keywords
- plate
- circuit breaker
- fixedly connected
- breaker cabinet
- air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/03—Boards, panels, desks; Parts thereof or accessories therefor for energy meters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/065—Means for detecting or reacting to mechanical or electrical defects
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of circuit breaker cabinets, in particular to an air-type environment-friendly circuit breaker cabinet which comprises a base side plate, a front door bottom plate, an air box side plate, an air box rear plate, a front door panel and a rear door plate, wherein the base side plate, the front door bottom plate, the air box side plate, the front door panel and the rear door plate are mutually connected and fixed through flat-head hexagonal rivet nuts, so that the circuit breaker cabinet is formed. The high-pressure air is filled into the breaker cabinet to replace SF6 gas, so that the condition that environmental pollution is caused by SF6 gas leakage is avoided, the breaker cabinet has an environment-friendly effect, an insulating layer is formed by using epoxy resin to expand a sleeve on the side, double-side expansion connection busbar is used as a power bus in the breaker cabinet, high current circulates to each split gate of the breaker cabinet through the soft connection busbar, a three-phase loop transmission mechanism and an isolating switch are surrounded by a shielding cover to form a protective ring, and therefore an integral insulating piece is formed, and the influence of the external environment on the breaker cabinet is avoided.
Description
Technical Field
The invention relates to the technical field of circuit breaker cabinets, in particular to an air type environment-friendly circuit breaker cabinet.
Background
The circuit breaker cabinet is a switching device capable of closing, carrying and breaking a current under normal circuit conditions and capable of closing, carrying and breaking a current under abnormal circuit conditions within a prescribed time, and the circuit breaker can be classified into a high voltage circuit breaker and a low voltage circuit breaker according to its use range.
Because the circuit breaker cabinet contains a large amount of conductors, electrical equipment and the like, when the conductors contain water vapor, an oxidation layer is generated, so that equipment is in poor contact, the resistance is increased, the electrical equipment in the circuit breaker cabinet is damaged, and a large amount of dry gas is required to be filled into the circuit breaker cabinet to keep the circuit breaker cabinet dry.
In the existing breaker cabinet, SF6 gas is generally filled into the breaker cabinet as an insulating medium, and the SF6 gas is easy to decompose and react with oxygen and moisture under the action of an electric arc to generate a plurality of toxic and harmful and corrosive substances such as sulfur tetrafluoride, hydrofluoric acid, sulfur dioxide and the like, while the inside of the breaker cabinet is not absolutely sealed, and once the decomposition substances leak, the decomposition substances can cause different degrees of damage to high-voltage equipment and personal safety.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an air type environment-friendly breaker cabinet.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the air-type environment-friendly circuit breaker cabinet comprises a base side plate, a front door bottom plate, an air box side plate, an air box rear plate, a front door panel and a rear door plate, wherein the base side plate, the front door bottom plate, the air box side plate, the front door panel and the rear door plate are mutually connected and fixed together through flat-head hexagonal rivet nuts, so that the circuit breaker cabinet is formed, the air box side plates are symmetrically arranged on two sides of the air box rear plate, and insulating assemblies are arranged in the circuit breaker cabinet;
the insulation assembly comprises bus pressing plates fixed on the outer wall of the side plate of the air box, the bus pressing plates are symmetrically arranged on two sides of the rear plate of the air box, three side expansion sleeves are arranged on the bus pressing plates, penetrate through the side plate of the air box and extend to the inside of the circuit breaker cabinet, and are connected with double-side expansion connection busbar, the end parts of the double-side expansion connection busbar are fixedly connected with flexible connection busbar wires, and the end parts of the flexible connection busbar wires are fixedly connected with fixed contact fixing seats;
the circuit breaker is characterized in that a switch frame plate is fixedly connected to the inside of the circuit breaker cabinet, vertical rods are symmetrically connected to the side edges of the switch frame plate, a switch frame transverse plate is fixedly connected between the two vertical rods, a fixed contact fixing seat is fixedly connected to the switch frame transverse plate through a countersunk head screw, a groove is formed in the outer wall of the switch frame plate, a separation shaft is arranged in the groove, and a three-phase loop transmission mechanism is arranged on the separation shaft.
Preferably, the lateral wall fixedly connected with utmost point post mounting panel of switch frame board, the top fixedly connected with ground connection support of utmost point post mounting panel, three through-hole has been seted up to the outer wall of utmost point post mounting panel, all is provided with insulating pull rod in the three through-hole, insulating pull rod runs through the through-hole and is connected with solid sealed utmost point post, the bottom of solid sealed utmost point post runs through switch frame board and fixedly connected with and connects female row, the tip fixedly connected with who connects female row connects the generating line, the inner wall fixedly connected with of base curb plate goes out line sleeve pressing plate down, the outer wall fixedly connected with business turn over line sleeve of going out line sleeve pressing plate down, business turn over line sleeve's quantity is three, just connect the output of generating line and connect on business turn over line sheathed tube port.
Preferably, the outer wall of the grounding bracket is fixedly connected with a grounding row through a fixing nut, the outer wall of the grounding row is fixedly connected with a grounding limiting hook, and the outer wall of the grounding limiting hook is fixedly connected with a grounding static contact.
Preferably, the top of the front door panel is fixedly connected with an instrument room, and a plurality of control switches are arranged on the outer wall of the instrument room.
Preferably, the outer wall of the air box side plate is fixedly connected with a plurality of side plate reinforcing ribs.
Preferably, the isolating switch is fixedly connected with one end of the three-phase loop transmission mechanism, which is far away from the isolating shaft, and shielding covers are wrapped on the outer surfaces of the isolating switch and the three-phase loop transmission mechanism.
Preferably, a vertical plate is fixedly connected to one side of the switch frame plate, which is close to the insulating pull rod, circular holes are symmetrically formed in the vertical plate, and a main shaft is connected in the circular holes in a penetrating manner.
Preferably, the inside vacuum circuit breaker room that is provided with of circuit breaker cabinet, insulating subassembly all is located vacuum circuit breaker room, and vacuum circuit breaker room is connected with three-phase circuit drive mechanism and isolator.
The beneficial effects of the invention are as follows: the high-pressure air is filled into the breaker cabinet to replace SF6 gas, so that the condition that environmental pollution is caused by SF6 gas leakage is avoided, the breaker cabinet has an environment-friendly effect, an insulating layer is formed by using epoxy resin to expand a sleeve on the side, double-side expansion connection busbar is used as a power bus in the breaker cabinet, high current circulates to each split gate of the breaker cabinet through the soft connection busbar, a three-phase loop transmission mechanism and an isolating switch are surrounded by a shielding cover to form a protective ring, and therefore an integral insulating piece is formed, and the influence of the external environment on the breaker cabinet is avoided.
The electric equipment of the electrified part is sealed in the breaker cabinet taking high-pressure air as an insulating medium, the grounding bar is grounded, and the condition inside the breaker cabinet can be monitored in real time by utilizing the instrument room, so that the breaker cabinet is convenient to overhaul and maintain.
Through base curb plate, qianmen bottom plate, gas tank curb plate, front door panel and back door plant between through the hexagonal riveting nut of flat head connect fixed combination become a complete air type environmental protection circuit breaker cabinet for this environmental protection circuit breaker cabinet's sealing performance is better, prevents that the inside high-pressure air of circuit breaker cabinet from leaking out.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an air-type environment-friendly circuit breaker cabinet according to the present invention;
fig. 2 is a schematic side view of an air-type environment-friendly circuit breaker cabinet according to the present invention;
fig. 3 is a schematic diagram of an internal rear view structure of the air-type environment-friendly circuit breaker cabinet according to the present invention;
fig. 4 is a schematic diagram of an internal structure of an air-type environment-friendly circuit breaker cabinet according to the present invention;
fig. 5 is a schematic diagram of an insulation assembly front view of an air-type environment-friendly circuit breaker cabinet according to the present invention;
fig. 6 is a schematic diagram of a rear view of an insulation assembly of an air-type environment-friendly circuit breaker cabinet according to the present invention.
In the figure:
1. a base side plate; 101. a rear door panel; 102. an instrument room; 2. a front door bottom plate; 3. a gas tank side plate; 301. a gas box back plate; 4. a front door panel; 5. a busbar pressing plate; 6. a side-expanded sleeve; 7. two sides are connected with the busbar in an expanding way; 8. soft connection busbar; 9. fixed contact fixing seat; 10. a switch frame cross plate; 11. a vertical rod; 12. a startup and shutdown frame plate; 13. a separation shaft; 14. sealing the polar post; 15. connecting a busbar; 16. a connecting bus; 17. a wire outlet sleeve pressing plate is arranged; 18. a wire inlet and outlet sleeve; 19. a pole mounting plate; 20. an insulating pull rod; 21. a grounding bracket; 22. a ground row; 23. the grounding limiting hook; 24. a grounding static contact; 25. a main shaft; 26. a side plate reinforcing rib; 27. a three-phase loop transmission mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
What is not described in detail in this specification is prior art known to those skilled in the art.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Embodiment one: referring to fig. 1-6, the air-type environment-friendly circuit breaker cabinet comprises a base side plate 1, a front door bottom plate 2, an air box side plate 3, an air box rear plate 301, a front door panel 4 and a rear door plate 101, wherein the base side plate 1, the front door bottom plate 2, the air box side plate 3, the front door panel 4 and the rear door plate 101 are mutually connected and fixed together through flat-head hexagonal rivet nuts, so that the circuit breaker cabinet is formed, the air box side plates 3 are symmetrically arranged on two sides of the air box rear plate 301, and insulation assemblies are arranged in the circuit breaker cabinet;
the insulation assembly comprises bus pressing plates 5 fixed on the outer wall of the air box side plate 3, the bus pressing plates 5 are symmetrically arranged on two sides of the air box rear plate 301, three side expansion sleeves 6 are arranged on the bus pressing plates 5, the side expansion sleeves 6 penetrate through the air box side plate 3 and extend to the inside of the circuit breaker cabinet and are connected with double-side expansion connection bus bars 7, the end parts of the double-side expansion connection bus bars 7 are fixedly connected with flexible connection bus bars 8, and the end parts of the flexible connection bus bars 8 are fixedly connected with fixed contact fixing seats 9;
the inside fixedly connected with switch frame board 12 of circuit breaker cabinet, the side symmetry of switch frame board 12 is connected with montant 11, fixedly connected with switch frame diaphragm 10 between two montants 11, and fixed contact fixing base 9 passes through countersunk head screw fixed connection on switch frame diaphragm 10, and the recess is seted up to switch frame board 12's outer wall, is provided with separation axle 13 in the recess, is provided with three-phase return circuit drive mechanism 27 on the separation axle 13.
The top of the front door panel 4 is fixedly connected with an instrument room 102, and a plurality of control switches are arranged on the outer wall of the instrument room 102.
The outer wall of the air box side plate 3 is fixedly connected with a plurality of side plate reinforcing ribs 26.
The end of the three-phase loop transmission mechanism 27 far away from the isolating shaft 13 is fixedly connected with an isolating switch, and shielding covers are wrapped on the outer surfaces of the isolating switch and the three-phase loop transmission mechanism 27.
A vertical plate is fixedly connected to one side of the startup and shutdown frame plate 12, which is close to the insulating pull rod 20, circular holes are symmetrically formed in the vertical plate, and a main shaft 25 is connected in the circular holes in a penetrating manner.
The inside vacuum circuit breaker room that is provided with of circuit breaker cabinet, insulating subassembly all are located vacuum circuit breaker room, and vacuum circuit breaker room is connected with three-phase return circuit drive mechanism 27 and isolator.
In the embodiment, when a load circuit is connected to the circuit breaker cabinet, the three-phase loop transmission mechanism 27 rotates by taking the isolating shaft 13 as a fulcrum, the isolating switch is embedded on the grounding fixed contact 24, so that the circuit breaker cabinet is in a closing state, when the circuit breaker cabinet is operated by using an automatic control or instrument room 102, high-pressure air is filled into the circuit breaker cabinet, the high-pressure air is used as an insulating medium, the epoxy resin material adopted by the side expansion sleeve 6 forms an epoxy resin insulating layer on the surface of the side expansion sleeve 6, the insulativity of electric equipment in the circuit breaker cabinet is effectively ensured, when the circuit breaker cabinet is in an operating state, the surface of the double-side expansion busbar 7 adopts the epoxy resin material as a power bus in the circuit breaker cabinet, and large current is circulated to each split gate in the circuit breaker cabinet through the soft connection busbar 8, the method ensures that each electrical equipment in the breaker cabinet effectively operates, the three-phase loop transmission mechanism 27 and the isolating switch are surrounded by the shielding cover to form a protection ring, radiation interference generated when the three-phase loop transmission mechanism 27 operates is effectively prevented from being transmitted outwards, meanwhile, interference generated by an external interference source to the operation of the three-phase loop transmission mechanism 27 is also prevented, during the process of sectioning and switching on a circuit, an arc is generated between a moving contact and a fixed contact in the breaker cabinet when the three-phase loop transmission mechanism 27 is switched off, steam is volatilized from the surface of the contact at a high temperature at a moment, a magnetic field is generated when current flows, the electromagnetic moves along the tangential direction of the surface of the contact under the action of the magnetic field, part of metal steam is condensed on the shielding cover, so that the arc is extinguished when in natural zero crossing, the medium intensity between the contacts is quickly recovered, the vacuum circuit breaker chamber has the advantages that the vacuum circuit breaker chamber is small in size, can be operated frequently, does not need to overhaul an arc extinguishing medium, increases the insulativity of the circuit breaker cabinet, and is high in reliability.
Embodiment two: referring to fig. 5-6, on the basis of the first embodiment, an air-type environment-friendly circuit breaker cabinet technical scheme is provided, the air-type environment-friendly circuit breaker cabinet comprises a pole mounting plate 19 fixedly connected with the side wall of a switch frame plate 12, a grounding bracket 21 fixedly connected with the top of the pole mounting plate 19, three through holes are formed in the outer wall of the pole mounting plate 19, insulating pull rods 20 are arranged in the three through holes, the insulating pull rods 20 penetrate through the through holes and are connected with a solid sealing pole 14, the bottom of the solid sealing pole 14 penetrates through the switch frame plate 12 and is fixedly connected with a connecting busbar 15, the end part of the connecting busbar 15 is fixedly connected with a connecting busbar 16, the inner wall of a base side plate 1 is fixedly connected with a lower outgoing line sleeve pressing plate 17, the outer wall of the lower outgoing line sleeve pressing plate 17 is fixedly connected with outgoing line sleeves 18, the number of the outgoing line sleeves 18 is three, and the output ends of the connecting busbar 16 are connected to ports of the outgoing line sleeves 18.
The outer wall of the grounding bracket 21 is fixedly connected with a grounding row 22 through a fixing nut, the outer wall of the grounding row 22 is fixedly connected with a grounding limiting hook 23, and the outer wall of the grounding limiting hook 23 is fixedly connected with a grounding static contact 24.
In this embodiment, through installing the solid utmost point post 14 in insulating pull rod 20, insulating pull rod 20 earth connection, so as to measure and test the circuit breaker cabinet, gu seal utmost point post 14 adopts epoxy as insulating material, three-phase circuit transmission mechanism 27, connect female row 15, connect busbar 16 solid seal together, become the volume insulation with its surface insulation, for insulating the circuit breaker cabinet with the air insulation, reduce the influence of external environment to the circuit breaker cabinet, the insulating strength of gu seal utmost point post 14 has been improved greatly, further improve the reliability and the security of circuit breaker cabinet, through connecting busbar 16 with business turn over line sleeve 18 together, thereby insulating distance between the conductor has been reduced because the condition that the connecting busbar 16 drops owing to the misoperation, further increased the leakproofness of this environmental protection circuit breaker cabinet, through connecting ground limit hook 23 and ground row 22, ground limit hook 24 closes a floodgate with three-phase circuit transmission mechanism 27, after the circuit breaker cabinet is put through, the inside pressure of circuit breaker cabinet is averaged to ground row 22, the inside order of safe power supply is provided.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The air type environment-friendly circuit breaker cabinet comprises a base side plate (1), a front door bottom plate (2), an air box side plate (3), an air box rear plate (301), a front door panel (4) and a rear door plate (101), and is characterized in that the base side plate (1), the front door bottom plate (2), the air box side plate (3), the front door panel (4) and the rear door plate (101) are all mutually connected and fixed through flat-head hexagonal rivet nuts, so that a circuit breaker cabinet is formed, the air box side plates (3) are symmetrically arranged on two sides of the air box rear plate (301), and insulating assemblies are arranged in the circuit breaker cabinet;
the insulation assembly comprises bus pressing plates (5) fixed on the outer wall of the air box side plate (3), the bus pressing plates (5) are symmetrically arranged on two sides of the air box rear plate (301), three side expansion sleeves (6) are arranged on the bus pressing plates (5), the side expansion sleeves (6) penetrate through the air box side plate (3) and extend to the inside of the circuit breaker cabinet and are connected with double-side expansion connection busbar (7), soft connection busbar wires (8) are fixedly connected to the end parts of the double-side expansion connection busbar (7), and fixed contact fixing seats (9) are fixedly connected to the end parts of the soft connection busbar wires (8);
the circuit breaker is characterized in that a switch frame plate (12) is fixedly connected to the inside of the circuit breaker cabinet, vertical rods (11) are symmetrically connected to the side edges of the switch frame plate (12), a switch frame transverse plate (10) is fixedly connected between the vertical rods (11), a fixed contact fixing seat (9) is fixedly connected to the switch frame transverse plate (10) through a countersunk screw, a groove is formed in the outer wall of the switch frame plate (12), an isolating shaft (13) is arranged in the groove, and a three-phase loop transmission mechanism (27) is arranged on the isolating shaft (13).
2. The air-type environment-friendly circuit breaker cabinet according to claim 1, wherein a pole mounting plate (19) is fixedly connected to the side wall of the switch rack plate (12), a grounding bracket (21) is fixedly connected to the top of the pole mounting plate (19), three through holes are formed in the outer wall of the pole mounting plate (19), insulating pull rods (20) are arranged in the three through holes, the insulating pull rods (20) penetrate through the through holes and are connected with solid-sealed pole (14), the bottom of the solid-sealed pole (14) penetrates through the switch rack plate (12) and is fixedly connected with a connecting busbar (15), a connecting busbar (16) is fixedly connected to the end portion of the connecting busbar (15), a lower outgoing line sleeve pressing plate (17) is fixedly connected to the inner wall of the base side plate (1), an outgoing line sleeve (18) is fixedly connected to the outer wall of the lower outgoing line sleeve pressing plate (17), the number of the outgoing line sleeves (18) is three, and the output ends of the connecting busbars (16) are connected to ports of the outgoing line sleeves (18).
3. The air-type environment-friendly circuit breaker cabinet according to claim 2, wherein the outer wall of the grounding bracket (21) is fixedly connected with a grounding row (22) through a fixing nut, the outer wall of the grounding row (22) is fixedly connected with a grounding limiting hook (23), and the outer wall of the grounding limiting hook (23) is fixedly connected with a grounding static contact (24).
4. The air-type environment-friendly circuit breaker cabinet according to claim 1, wherein an instrument room (102) is fixedly connected to the top of the front door panel (4), and a plurality of control switches are arranged on the outer wall of the instrument room (102).
5. The air-type environment-friendly circuit breaker cabinet according to claim 1, wherein the outer wall of the air box side plate (3) is fixedly connected with a plurality of side plate reinforcing ribs (26).
6. The air-type environment-friendly circuit breaker cabinet according to claim 1, wherein an isolating switch is fixedly connected to one end, far away from the isolating shaft (13), of the three-phase loop transmission mechanism (27), and shielding covers are wrapped on the outer surfaces of the isolating switch and the three-phase loop transmission mechanism (27).
7. The air-type environment-friendly breaker cabinet according to claim 1, wherein a vertical plate is fixedly connected to one side of the switch frame plate (12) close to the insulating pull rod (20), circular holes are symmetrically formed in the vertical plate, and a main shaft (25) is connected in the circular holes in a penetrating mode.
8. An air-friendly circuit breaker cabinet according to claim 1, characterized in that a vacuum circuit breaker chamber is provided inside the cabinet, the insulating assemblies are all located inside the vacuum circuit breaker chamber, and the vacuum circuit breaker chamber is connected with a three-phase loop transmission mechanism (27) and a disconnecting switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211685831.8A CN116073274A (en) | 2022-12-27 | 2022-12-27 | Air type environment-friendly breaker cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211685831.8A CN116073274A (en) | 2022-12-27 | 2022-12-27 | Air type environment-friendly breaker cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116073274A true CN116073274A (en) | 2023-05-05 |
Family
ID=86183122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211685831.8A Pending CN116073274A (en) | 2022-12-27 | 2022-12-27 | Air type environment-friendly breaker cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116073274A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117767163A (en) * | 2023-11-10 | 2024-03-26 | 珠海康晋电气股份有限公司 | Atmospheric sealing air insulation ring main unit |
-
2022
- 2022-12-27 CN CN202211685831.8A patent/CN116073274A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117767163A (en) * | 2023-11-10 | 2024-03-26 | 珠海康晋电气股份有限公司 | Atmospheric sealing air insulation ring main unit |
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