Detachable bus structure
By using a mixed gas insulating medium of sulfur hexafluoride and nitrogen in the removable bus structure, the problem of difficult insulating traditional removable bus lines in harsh environments is solved, and the stable operation and efficient maintenance of the bus lines are achieved.
Patent Information
- Application Number
- CN202422392005.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-09-29
AI Technical Summary
The traditional detachable busbar structure is difficult to achieve gas insulation in harsh environments, affecting the stable operation of the power system.
A mixed gas of sulfur hexafluoride and nitrogen is used as the insulating medium, and gas insulation of the busbar structure is achieved through the combination of the inner sealing ring and the outer sealing ring.
Gas insulation of the detachable busbar structure in harsh environments is realized, and the operation stability and maintenance efficiency of the power system are improved.
Smart Images

Figure CN223246239U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of detachable busbar structures, in particular to a detachable busbar structure. Background Art
[0002] With the development of the power industry, the structure and operation of power systems have become increasingly complex and diverse. To meet diverse power supply needs, adapt to changes in power loads, and facilitate equipment maintenance and upgrades, higher requirements are being placed on the flexibility of busbar systems. Detachable busbar technology makes busbar installation, removal, and reconfiguration more convenient and efficient. It allows for flexible changes in busbar layout and connection methods based on actual needs, improving the power system's adaptability to various changing circumstances. During the long-term operation of a power system, busbars and related equipment require regular maintenance, inspection, and replacement.
[0003] Traditional fixed busbars are often cumbersome to perform these operations, requiring a lot of time and manpower, and may have a certain impact on surrounding electrical equipment and lines. However, detachable busbar technology can easily remove the busbar section that needs maintenance or replacement without affecting the normal operation of the entire system, and handle it separately, greatly improving the efficiency of maintenance and upgrade work and reducing interference with system operation.
[0004] In some harsh environmental conditions, such as high altitude, high temperature, high humidity, and severe corrosion, traditional insulation methods may not meet the requirements. However, by selecting the right insulating gas and optimizing the sealing structure, gas-insulated busbars can effectively resist the effects of these harsh environmental factors and ensure stable operation in complex environments. Utility Model Content
[0005] The purpose of the present utility model is to provide a detachable busbar structure to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a detachable busbar structure, comprising an external air storage chamber, an air storage chamber is provided in the inner cavity of the external air storage chamber, a busbar is installed in the inner cavity of the air storage chamber, inner sealing rings are installed at both ends of the inner cavity of the air storage chamber, barrier rings are provided on the outside of both ends of the busbar, outer sealing rings are provided on the outside of both ends of the air storage chamber, a connecting ring is provided on the front side of the air storage chamber, a spiral is provided on the busbar at the rear end of the busbar, tightening rings are provided at the front and rear end outer cavities of the external air storage chamber, and tightening blocks are provided on the upper and lower sides of the tightening rings.
[0007] Preferably, the busbar in the gas storage chamber can be used for gas insulation, and the insulating medium therein can be a mixed gas of sulfur hexafluoride and nitrogen.
[0008] Preferably, the busbar passes through the air storage chamber front and back and extends to the front and rear sides, the busbar extending from the rear end is provided with a spiral, and the front end of the busbar extending from the front end is provided with a blocking ring.
[0009] Preferably, the inner cavity of the connecting ring is provided with an inner spiral, the inner cavity at the rear end of the connecting ring is smaller than the diameter of the barrier ring, and the diameter of the inner spiral is the same as the spiral diameter.
[0010] Preferably, the diameter of the inner sealing ring is larger than the busbar, the diameter of the inner sealing ring is the same as the inner cavity diameter of the air storage chamber, the inner cavity diameter of the outer sealing ring is the same as the diameter of the air storage chamber, the diameter of the outer sealing ring is the same as the inner cavity diameter of the outer air storage chamber, and the diameter of the outer air storage chamber is the same as the inner cavity diameter of the tightening ring.
[0011] Preferably, the tightening ring can be divided into two parts, the nut passes through the tightening block on the left and right sides, and the tightening block is fixedly connected to the tightening ring.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. The detachable busbar structure comprises the following: the busbar, the gas storage chamber, the outer sealing ring, the spiral, the inner sealing ring, the barrier ring, the connecting ring, the inner spiral, the outer gas storage chamber, the tightening ring, the nut, the tightening block and the nut. A mixed gas of sulfur hexafluoride and nitrogen is filled into the gas storage chamber through the inner sealing ring. The busbar at the rear end of the second busbar mechanism is aligned with the front side of the first busbar. The connecting ring is rotated to make the spiral coincide with the inner spiral, so that the first busbar mechanism is connected to the second busbar mechanism. The front and rear ends of the inner cavity of the outer gas storage chamber are aligned with the outer sealing ring. The tightening ring is installed in the front and rear end outer cavities of the outer gas storage chamber. The nut is rotated to tighten the nut and the nut. Under the action of the outer sealing ring, the outer gas storage chamber is sealed. A mixed gas of sulfur hexafluoride and nitrogen is injected into the outer gas storage chamber through the outer sealing ring to make the gas inside the outer gas storage chamber insulated, thereby achieving the purpose of gas insulation of the detachable busbar mechanism and solving the problem that the existing detachable busbar mechanism cannot achieve gas insulation.
[0014] 2. The detachable busbar structure uses a barrier ring, a connecting ring, and an inner spiral in combination. The rear end busbar of the second busbar mechanism is aligned with the front side of the first busbar. The connecting ring is rotated to make the spiral coincide with the inner spiral, so that the first busbar mechanism is connected to the second busbar mechanism, thereby improving the maneuverability and flexibility of the detachable busbar mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a cross-sectional view of the utility model mechanism;
[0017] Figure 3This is an exploded diagram of the mechanism of the utility model.
[0018] In the figure: 1. busbar; 2. air storage chamber; 3. outer sealing ring; 4. spiral; 5. inner sealing ring; 6. barrier ring; 7. connecting ring; 8. inner spiral; 9. outer air storage chamber; 10. tightening ring; 11. nut; 12. tightening block; 13. nut. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] Example: See Figure 1-3 The utility model provides a technical solution: a detachable busbar structure, including an external air storage chamber 9, an air storage chamber 2 is provided in the inner cavity of the external air storage chamber 9, a busbar 1 is installed in the inner cavity of the air storage chamber 2, inner sealing rings 5 are installed at both ends of the inner cavity of the air storage chamber 2, barrier rings 6 are provided on the outside of both ends of the busbar 1, outer sealing rings 3 are provided on the outside of both ends of the air storage chamber 2, a connecting ring 7 is provided on the front side of the air storage chamber 2, a spiral 4 is opened on the busbar at the rear end of the busbar 1, tightening rings 10 are provided in the front and rear end outer cavities of the external air storage chamber 9, and tightening blocks 12 are provided on the upper and lower sides of the tightening ring 10.
[0021] The busbar in the gas storage chamber 2 can be used for gas insulation, wherein the insulating medium can be a mixed gas of sulfur hexafluoride and nitrogen.
[0022] The busbar 1 penetrates the gas storage chamber 2 from front to back and extends to the front and rear sides. The rear end of the busbar 1 is provided with a spiral 4, and the front end of the front end of the busbar 1 is provided with a barrier ring 6.
[0023] The inner cavity of the connecting ring 7 is provided with an inner spiral 8 . The inner cavity at the rear end of the connecting ring 7 is smaller than the diameter of the barrier ring 6 . The diameter of the inner spiral 8 is the same as that of the spiral 4 .
[0024] Among them, the diameter of the inner sealing ring 5 is larger than the busbar 1, the diameter of the inner sealing ring 5 is the same as the inner diameter of the air storage chamber 2, the inner diameter of the outer sealing ring 3 is the same as the diameter of the air storage chamber 2, the diameter of the outer sealing ring 3 is the same as the inner diameter of the outer air storage chamber 9, and the diameter of the outer air storage chamber 9 is the same as the inner diameter of the tightening ring 10.
[0025] The tightening ring 10 can be divided into two parts, and the nut 11 passes through the tightening block 12 on the left and right sides, and the tightening block 12 is fixedly connected to the tightening ring 10 .
[0026] In this embodiment, a mixture of sulfur hexafluoride and nitrogen is filled into the gas storage chamber 2 through the inner sealing ring 5, the busbar 1 at the rear end of the second busbar 1 mechanism is aligned with the front side of the first busbar 1, the connecting ring 7 is rotated so that the spiral 4 coincides with the inner spiral 8, so that the first busbar 1 mechanism is connected to the second busbar 1 mechanism, the front and rear ends of the inner cavity of the outer gas storage chamber 9 are aligned with the outer sealing ring 3, the tightening ring 10 is installed in the front and rear end outer cavities of the outer gas storage chamber 9, the nut 13 is rotated to tighten the nut 11 and the nut 13, and the outer gas storage chamber 9 is sealed under the action of the outer sealing ring 3, and a mixture of sulfur hexafluoride and nitrogen is injected into the outer gas storage chamber 9 through the outer sealing ring 3 to insulate the gas in the outer gas storage chamber 9, thereby achieving the purpose of gas insulation of the detachable busbar mechanism and solving the problem that the existing detachable busbar mechanism cannot achieve gas insulation.
[0027] It should also be noted that, in the description of the utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A detachable busbar structure, comprising an external gas storage chamber (9), characterized in that: The inner cavity of the outer gas storage chamber (9) is provided with an air storage chamber (2), the inner cavity of the air storage chamber (2) is provided with a busbar (1), inner sealing rings (5) are provided at both ends of the inner cavity of the air storage chamber (2), barrier rings (6) are provided on the outer sides of both ends of the busbar (1), outer sealing rings (3) are provided on the outer sides of both ends of the air storage chamber (2), a connecting ring (7) is provided on the front side of the air storage chamber (2), a spiral (4) is provided on the rear end busbar of the busbar (1), tightening rings (10) are provided at the front and rear end outer cavities of the outer gas storage chamber (9), and tightening blocks (12) are provided on the upper and lower sides of the tightening ring (10).
2. The detachable busbar structure according to claim 1, characterized in that: The busbar in the gas storage chamber (2) can be used for gas insulation, and the insulating medium therein can be a mixed gas of sulfur hexafluoride and nitrogen.
3. The detachable busbar structure according to claim 1, characterized in that: The busbar (1) penetrates the gas storage chamber (2) from front to back and extends to the front and rear sides. The busbar (1) extending from the rear end is provided with a spiral (4), and the busbar (1) extending from the front end is provided with a blocking ring (6) at the front end.
4. The detachable busbar structure according to claim 1, characterized in that: The inner cavity of the connecting ring (7) is provided with an inner spiral (8), the inner cavity at the rear end of the connecting ring (7) is smaller than the diameter of the barrier ring (6), and the diameter of the inner spiral (8) is the same as the diameter of the spiral (4).
5. The detachable busbar structure according to claim 1, characterized in that: The inner sealing ring (5) has a diameter larger than that of the busbar (1), the inner sealing ring (5) has a diameter identical to an inner diameter of the air storage chamber (2), the inner diameter of the outer sealing ring (3) has a diameter identical to an inner diameter of the air storage chamber (2), the outer sealing ring (3) has a diameter identical to an inner diameter of the outer air storage chamber (9), and the outer air storage chamber (9) has a diameter identical to an inner diameter of the tightening ring (10).
6. The detachable busbar structure according to claim 1, characterized in that: The tightening ring (10) can be divided into two parts, and the nut (11) passes through the tightening block (12) on the left and right sides, and the tightening block (12) is fixedly connected to the tightening ring (10).