CN113612150A - Bus connection structure and three-position switch assembly - Google Patents
Bus connection structure and three-position switch assembly Download PDFInfo
- Publication number
- CN113612150A CN113612150A CN202110888003.3A CN202110888003A CN113612150A CN 113612150 A CN113612150 A CN 113612150A CN 202110888003 A CN202110888003 A CN 202110888003A CN 113612150 A CN113612150 A CN 113612150A
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- Prior art keywords
- guide rod
- rod
- insulator
- connecting guide
- conductive
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- 239000012212 insulator Substances 0.000 claims abstract description 55
- 230000003068 static effect Effects 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 17
- 230000006872 improvement Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- 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
- H02B13/0358—Connections to in or out conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a bus connecting structure and a three-position switch assembly. A bus bar connection structure comprising: the cylinder body is of a four-way structure; the cover plate is covered at the opening at the upper side of the cylinder body in a sealing manner; an insulator fixed to an inner side of the cover plate; the connecting guide rod is positioned in the cylinder body and connected to the insulator, and the connecting guide rod extends along the left-right direction; the contact seat is arranged at the right end of the connecting guide rod and is provided with a conductive jack with an opening facing right; and the right end of the conducting rod is fixedly connected to the left end of the connecting guide rod, and the left end of the conducting rod is provided with a conducting plug. According to the three-station switch assembly, the insulator replaces a disc insulator, a cylinder body between the disc insulator and the cover plate, and the connecting guide rod replaces a bus bar, so that a bus connecting structure is simplified, the number and the types of parts are reduced, the assembly time is greatly shortened, and the working efficiency is improved.
Description
Technical Field
The invention relates to a bus connecting structure and a three-position switch assembly.
Background
The three-position switch structure has the advantages of miniaturization, high reliability, high insulativity, less maintainability, low cost and the like, and is widely applied to the power distribution industry.
The three-position switch cabinet comprises a cabinet body and a bus connector, wherein the cabinet body is of a cylindrical structure, a disc insulator is mounted on the cabinet body, the bus connector is fixed on the inner side of the disc insulator and assembled on the cabinet body in an insulating mode, and the bus connector is composed of a plurality of busbars; the left end of the bus connector is fixedly connected with a conductive rod through a bolt, and the left end of the conductive rod is provided with a conductive plug which is used for being plugged with a conductive jack on the adaptive contact seat; the right end of the bus connector is fixedly connected with a contact seat through a bolt, a conductive jack is formed in the contact seat and used for being connected with a conductive plug of the adaptive conductive rod in an inserting mode, and a spring contact finger type conductive ring is arranged in the conductive jack.
The busbars for manufacturing the bus connectors in the three-station switch cabinet are all copper bars, and insulation is realized by using a disc insulator, so that the manufacturing cost of the three-station switch cabinet is high; moreover, the three-position switch cabinet has more parts, so that the assembly time is longer, and the working efficiency is influenced.
Disclosure of Invention
The invention aims to provide a three-position switch assembly, which aims to solve the technical problems that in the prior art, the three-position switch cabinet has more parts, so that the assembly time is longer and the working efficiency is influenced; the invention also aims to provide a bus connecting structure.
In order to achieve the purpose, the technical scheme of the bus connecting structure is as follows:
a bus bar connection structure comprising:
the cylinder body is of a four-way structure;
the cover plate is covered at the opening at the upper side of the cylinder body in a sealing manner;
an insulator fixed to an inner side of the cover plate;
the connecting guide rod is positioned in the cylinder body and connected to the insulator, and the connecting guide rod extends along the left-right direction;
the contact seat is arranged at the right end of the connecting guide rod and is provided with a conductive jack with an opening facing right;
and the right end of the conducting rod is fixedly connected to the left end of the connecting guide rod, and the left end of the conducting rod is provided with a conducting plug.
The beneficial effects are that: according to the three-station switch assembly, the insulator replaces a disc insulator, a cylinder body between the disc insulator and the cover plate, and the connecting guide rod replaces a bus bar, so that a bus connecting structure is simplified, the number and the types of parts are reduced, the assembly time is greatly shortened, and the working efficiency is improved.
As a further improvement, a fixed contact mounting position is arranged on the connecting guide rod and used for mounting and isolating a fixed contact; the static contact mounting position is arranged at the lower side of the connecting guide rod and is arranged between the conducting rod and the insulator in the left-right direction.
As a further improvement, the connecting position of the insulator and the cover plate is taken as a first connecting position, the connecting position of the insulator and the connecting guide rod is taken as a second connecting position, the first connecting position and the second connecting position are arranged in a staggered mode in the left-right direction, and an avoiding notch is formed in the left side of the lower portion of the insulator.
The beneficial effects are that: the design is favorable for fixing and isolating the static contact from top to bottom by the bolt.
As a further improvement, a first step is arranged on one side, facing the conducting rod, of the left end of the connecting guide rod, a second step is arranged on one side, facing the connecting guide rod, of the right end of the conducting rod, and the first step and the second step are overlapped together.
The beneficial effects are that: by the design, the occupied space in the radial direction of the cylinder can be reduced, and the miniaturization of the cylinder is facilitated.
As a further improvement, a counter bore is formed in the connecting guide rod, a first bolt and a second bolt are arranged in the counter bore, the conducting rod is connected to the connecting guide rod through the first bolt, and the connecting guide rod is connected to the insulator through the second bolt.
The beneficial effects are that: by the design, the appearance is improved, and the electric field at the position can be ensured to be uniform.
As a further improvement, the radial dimension of the connecting guide rod is smaller than that of the contact seat.
The beneficial effects are that: by the design, the used materials of the connecting guide rod can be reduced, and the cost is further reduced.
As a further improvement, the connecting guide rod is an aluminum rod.
The beneficial effects are that: design like this, can reduce the cost of preparation connecting guide pole, and then reduce the generating line cost.
As a further improvement, the contact seat and the connecting guide rod are integrally formed.
The beneficial effects are that: by the design, the number of parts can be further reduced, and product assembly is facilitated.
As a further improvement, a conductive ring is arranged in the conductive jack.
The beneficial effects are that: the stability of conductive connection after the conductive plug and the conductive jack are plugged is ensured.
In order to achieve the purpose, the technical scheme of the three-position switch assembly is as follows:
three station switch module, including three station isolator and bus connection structure, bus connection structure includes:
the cylinder body is of a four-way structure;
the cover plate is covered at the opening at the upper side of the cylinder body in a sealing manner;
an insulator fixed to an inner side of the cover plate;
the connecting guide rod is positioned in the cylinder body and connected to the insulator, and the connecting guide rod extends along the left-right direction;
the contact seat is arranged at the right end of the connecting guide rod and is provided with a conductive jack with an opening facing right;
the right end of the conducting rod is fixedly connected to the left end of the connecting guide rod, and the left end of the conducting rod is provided with a conducting plug;
the three-position isolating switch is positioned in the cylinder of the bus connecting structure.
The beneficial effects are that: according to the three-station switch assembly, the insulator replaces a disc insulator, a cylinder body between the disc insulator and the cover plate, and the connecting guide rod replaces a bus bar, so that a bus connecting structure is simplified, the number and the types of parts are reduced, the assembly time is greatly shortened, and the working efficiency is improved.
As a further improvement, a fixed contact mounting position is arranged on the connecting guide rod and used for mounting and isolating a fixed contact; the static contact mounting position is arranged at the lower side of the connecting guide rod and is arranged between the conducting rod and the insulator in the left-right direction.
As a further improvement, the connecting position of the insulator and the cover plate is taken as a first connecting position, the connecting position of the insulator and the connecting guide rod is taken as a second connecting position, the first connecting position and the second connecting position are arranged in a staggered mode in the left-right direction, and an avoiding notch is formed in the left side of the lower portion of the insulator.
The beneficial effects are that: the design is favorable for fixing and isolating the static contact from top to bottom by the bolt.
As a further improvement, a first step is arranged on one side, facing the conducting rod, of the left end of the connecting guide rod, a second step is arranged on one side, facing the connecting guide rod, of the right end of the conducting rod, and the first step and the second step are overlapped together.
The beneficial effects are that: by the design, the occupied space in the radial direction of the cylinder can be reduced, and the miniaturization of the cylinder is facilitated.
As a further improvement, a counter bore is formed in the connecting guide rod, a first bolt and a second bolt are arranged in the counter bore, the conducting rod is connected to the connecting guide rod through the first bolt, and the connecting guide rod is connected to the insulator through the second bolt.
The beneficial effects are that: by the design, the appearance is improved, and the electric field at the position can be ensured to be uniform.
As a further improvement, the radial dimension of the connecting guide rod is smaller than that of the contact seat.
The beneficial effects are that: by the design, the used materials of the connecting guide rod can be reduced, and the cost is further reduced.
As a further improvement, the connecting guide rod is an aluminum rod.
The beneficial effects are that: design like this, can reduce the cost of preparation connecting guide pole, and then reduce the generating line cost.
As a further improvement, the contact seat and the connecting guide rod are integrally formed.
The beneficial effects are that: by the design, the number of parts can be further reduced, and product assembly is facilitated.
As a further improvement, a conductive ring is arranged in the conductive jack.
The beneficial effects are that: the stability of conductive connection after the conductive plug and the conductive jack are plugged is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a three-position switch assembly according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of the three-position switch assembly in FIG. 1 during cabinet combination;
in the figure: 11. a conductive rod; 12. a first bolt; 13. a third bolt; 14. connecting the guide rod; 15. an insulator; 16. a second bolt; 17. a cover plate; 18. a contact seat; 19. a barrel; 20. conducting rings; 21. a grounding static contact; 22. isolating the moving contact; 23. a disc insulator; 24. isolating the static contact; 25. a conductive plug; 26. a conductive jack; 27. avoiding the gap.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. Furthermore, the terms "front", "back", "upper", "lower", "left" and "right" are based on the orientations and positional relationships shown in the drawings and are only for convenience in describing the present invention, but do not indicate that the referred device or component must have a specific orientation, and thus, should not be construed as limiting the present invention.
The features and properties of the present invention are described in further detail below with reference to examples.
Embodiment 1 of the three-position switch assembly of the present invention:
as shown in fig. 1, the three-position switch assembly includes a three-position isolating switch and a bus connecting structure, the bus connecting structure includes a cylinder 19, the cylinder 19 is a four-way structure and has an upper opening, a lower opening, a left opening and a right opening; the opening on the upper side of the cylinder 19 is covered with a cover plate 17, and a sealing ring is arranged between the cover plate 17 and the cylinder 19 to prevent the insulating gas in the cylinder 19 from leaking outwards from the connecting position of the cover plate 17 and the cylinder 19.
In this embodiment, the inner side of the cover plate 17 is fixedly connected with the insulator 15 through a screw, and a sealing ring is arranged between the insulator 15 and the cover plate 17 to prevent the insulating gas in the cylinder 19 from leaking outwards from the screw. The insulator 15 is a support insulator.
In this embodiment, the connecting guide rod 14 is arranged in the cylinder 19, and the connecting guide rod 14 is an aluminum rod, so as to reduce the cost; the connecting guide 14 extends in the left-right direction, and the connecting guide 14 is attached to the insulator 15 by a second bolt 16. The connecting guide rod 14 is provided with a counter bore, and the bolt head of the second bolt 16 is positioned in the counter bore, so that the attractiveness is improved, and the electric field at the position can be ensured to be uniform.
In this embodiment, the contact seat 18 is integrally formed at the right end of the connecting rod 14, and the integral forming manner is a casting manner; the contact seat 18 is provided with a conductive jack 26 with an opening facing to the right, and the conductive jack 26 is used for being plugged with a conductive plug of a corresponding bus bar connecting structure; the conductive jack 26 is provided with a conductive ring 20, and the conductive ring 20 is a spring finger structure to ensure the stability of the conductive connection. Wherein the radial dimension of the connecting rod 14 is smaller than the radial dimension of the contact block 18.
In this embodiment, the left end of the connecting guide rod 14 is fixedly connected with the conductive rod 11, the left end of the conductive rod 11 is a conductive plug 25, and the conductive plug 25 is used for being plugged into a conductive jack of a corresponding bus connecting structure.
In this embodiment, a first step is disposed on one side of the left end of the connecting guide rod 14 facing the conductive rod 11, a second step is disposed on one side of the right end of the conductive rod 11 facing the connecting guide rod 14, and the first step and the second step are overlapped with each other to reduce the occupied space in the radial direction of the cylinder, which is beneficial to the miniaturization of the cylinder 19.
In this embodiment, a counter bore is formed in the position, corresponding to the first step, of the connection guide rod 14, the first bolt 12 is arranged in the counter bore, and the conducting rod 11 is connected to the connection guide rod 14 through the first bolt 12, so that the attractiveness is improved, and the uniformity of an electric field at the position can be guaranteed.
In this embodiment, the connection position of the insulator 15 and the cover plate 17 is used as a first connection position, the connection position of the insulator 15 and the connection guide 14 is used as a second connection position, the first and second connection positions are arranged in a staggered manner in the left-right direction, an avoiding notch 27 is arranged on the left side of the lower portion of the insulator 15, and the avoiding notch 27 is used for avoiding the connection position of the isolation static contact 24, so that the isolation static contact 24 is fixedly connected to the connection guide 14. Wherein the first connection position is in a central position of the cover plate 17.
As shown in fig. 1, the three-position disconnecting switch includes an isolating fixed contact 24, a grounding fixed contact 21 and an isolating movable contact 22, a fixed contact mounting position is arranged at the lower side of the connecting guide rod 14, the isolating fixed contact 24 is fixed on the fixed contact mounting position through a third bolt 13, the isolating fixed contact 24 is located between the conducting rod 11 and the insulator 15 in the left-right direction, and the third bolt 13 is located in a counter bore, so that the appearance is improved, and the electric field at the position can be ensured to be uniform.
In this embodiment, the grounding fixed contact 21 is fixedly arranged on the cylinder 19, the opening at the lower side of the cylinder 19 is hermetically connected with a disc insulator 23, and the isolated moving contact 22 is fixed at the inner side of the disc insulator 23; the isolating moving contact 22 is located between the isolating fixed contact 24 and the grounding fixed contact 21, and when the driving mechanism drives the isolating moving contact 22 to swing, the operations of grounding, isolating and closing are realized.
As shown in fig. 2, when two inflatable cabinets are combined, the conductive plug of the right bus connection structure is inserted into the conductive jack of the left bus connection structure, so as to realize the bus butt joint of two inflatable cabinet products.
According to the three-station switch assembly, the insulator replaces a disc insulator, a cylinder body between the disc insulator and the cover plate, and the connecting guide rod replaces a bus bar, so that a bus connecting structure is simplified, the number and the types of parts are reduced, the assembly time is greatly shortened, and the working efficiency is improved; and moreover, the connecting guide rod is designed into an aluminum rod, so that the bus cost is reduced, and a solid foundation is laid for improving the market share of products in the later period.
Embodiment 2 of the three-position switch assembly of the present invention:
the difference between this embodiment and embodiment 1 is that in embodiment 1, a fixed contact mounting location is disposed at a lower side of the connection guide rod 14, the isolation fixed contact 24 is fixed on the fixed contact mounting location by the third bolt 13, and the isolation fixed contact 24 is located between the conductive rod 11 and the insulator 15 in the left-right direction. In this embodiment, a fixed contact mounting position is disposed on a lower side of the conductive rod, the isolation fixed contact and the connection guide rod share a threaded hole on the conductive rod, and the isolation fixed contact is fixed to the fixed contact mounting position through a bolt.
Embodiment 3 of the three-position switch assembly of the present invention:
the present embodiment is different from embodiment 1 in that in embodiment 1, the connection position of the insulator 15 and the cover plate 17 is the first connection position, and the connection position of the insulator 15 and the connection guide 14 is the second connection position, and the first and second connection positions are arranged in a staggered manner in the left-right direction, wherein the first connection position is at the center position of the cover plate 17, and the avoidance notch 27 is provided at the lower left side of the insulator 15. In this embodiment, the first connection position is located on the right side of the center position of the cover plate, and the first connection position and the second connection position are arranged in an aligned manner, so that an avoidance gap does not need to be formed. In other embodiments, the first connection position is located at a central position of the cover plate, and the first connection position and the second connection position are aligned, at this time, the third bolt fixes the isolation stationary contact on the connection guide rod from bottom to top.
Embodiment 4 of the three-position switch assembly of the present invention:
the difference between this embodiment and embodiment 1 is that in embodiment 1, a first step is provided on a side of the left end of the connecting guide rod 14 facing the conductive rod 11, a second step is provided on a side of the right end of the conductive rod 11 facing the connecting guide rod 14, and the first step and the second step overlap with each other to reduce the occupied space in the radial direction of the cylinder. In this embodiment, the left end of the connecting guide rod is a U-shaped structure, the right end of the conducting rod is a straight-line structure, and the right end of the conducting rod is inserted into the left end of the connecting guide rod and then fixedly connected with the left end of the connecting guide rod through a bolt.
Embodiment 5 of the three-position switch assembly of the present invention:
the present embodiment differs from embodiment 1 in that in embodiment 1, the contact block 18 is integrally formed with the connecting rod 14 by casting. In this embodiment, the contact block is integrally formed with the connecting guide rod by machining.
The embodiment of the bus connecting structure of the invention comprises the following steps: the bus bar connection structure is the same as the bus bar connection structure described in any of embodiments 1 to 5 of the three-position switch assembly, and details thereof are not repeated.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. Bus bar connection structure, its characterized in that includes:
the cylinder body (19) is of a four-way structure;
a cover plate (17) for covering the opening at the upper side of the cylinder body (19);
an insulator (15) fixed to the inside of the cover plate (17);
a connecting guide rod (14) which is positioned in the cylinder (19) and connected to the insulator (15), wherein the connecting guide rod (14) extends along the left-right direction;
the contact seat (18) is arranged at the right end of the connecting guide rod (14), and the contact seat (18) is provided with a conductive jack (26) with an opening facing the right;
and the right end of the conductive rod (11) is fixedly connected to the left end of the connecting guide rod (14), and the left end of the conductive rod (11) is provided with a conductive plug (25).
2. The bus connecting structure according to claim 1, wherein the connecting guide rod (14) is provided with a fixed contact mounting position, and the fixed contact mounting position is used for mounting an isolation fixed contact (24); the static contact mounting position is positioned at the lower side of the connecting guide rod (14) and is positioned between the conducting rod (11) and the insulator (15) in the left-right direction.
3. The bus bar connecting structure according to claim 2, wherein the connecting position of the insulator (15) and the cover plate (17) is a first connecting position, the connecting position of the insulator (15) and the connecting guide (14) is a second connecting position, the first and second connecting positions are arranged in a staggered manner in the left-right direction, and an avoiding notch (27) is provided on the left side of the lower portion of the insulator (15).
4. The bus bar connecting structure according to claim 1, 2 or 3, wherein a first step is provided at a side of the left end of the connecting guide rod (14) facing the conductive rod (11), and a second step is provided at a side of the right end of the conductive rod (11) facing the connecting guide rod (14), and the first step and the second step overlap each other.
5. The bus bar connecting structure according to claim 1, 2 or 3, wherein the connecting guide rod (14) is provided with a counter bore, a first bolt (12) and a second bolt (16) are arranged in the counter bore, the conductive rod (11) is connected to the connecting guide rod (14) through the first bolt (12), and the connecting guide rod (14) is connected to the insulator (15) through the second bolt (16).
6. Busbar connection according to claim 1 or 2 or 3, wherein the connecting rod (14) has a radial dimension which is smaller than the radial dimension of the contact block (18).
7. The busbar connection structure according to claim 1, 2 or 3, wherein the connection guide (14) is an aluminum rod.
8. The busbar connection according to claim 7, wherein the contact block (18) is integrally formed with the connecting rod (14).
9. The bus bar connecting structure according to claim 1, 2 or 3, wherein a conductive ring (20) is provided in the conductive insertion hole (26).
10. Three-position switch assembly comprising a three-position disconnector and a busbar connection, characterized in that the busbar connection is as claimed in any one of claims 1 to 9, the three-position disconnector being located in a barrel (19) of the busbar connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110888003.3A CN113612150A (en) | 2021-08-03 | 2021-08-03 | Bus connection structure and three-position switch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110888003.3A CN113612150A (en) | 2021-08-03 | 2021-08-03 | Bus connection structure and three-position switch assembly |
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| CN113612150A true CN113612150A (en) | 2021-11-05 |
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|---|---|---|---|
| CN202110888003.3A Pending CN113612150A (en) | 2021-08-03 | 2021-08-03 | Bus connection structure and three-position switch assembly |
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