Modularized air switch busbar

Abstract

The invention discloses a modularized air switch busbar, which comprises a first module, and is characterized in that the first module comprises a first shell, a first copper core assembly arranged in the first shell in a limiting manner, and first contact teeth connected with the first copper core assembly; the second module comprises a second shell, a second copper core assembly arranged in the second shell in a limiting manner and second contact teeth connected with the second copper core assembly; and the first module is combined and connected with the second module. The beneficial effects are that the first shell is A-shaped, the second shell is convex, the first shell and the second shell are mutually nested and can be combined at will, parallel air switches can be rapidly increased or decreased through a mechanical structure, live-line work is realized, a single air switch power supply is independently broken, and the power supply capability of other loads is not affected; the risk of influencing power supply of important loads in the same row is reduced, the problem that the whole group of switches need to be powered off when air switches of a traditional air switch busbar are replaced is solved, and accompanying stop near the air switches is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of busbar modules, in particular to a modular air switch busbar. Background Art

[0002] At present, my country's power grid is in a stage of continuous transformation and upgrading. With the complexity of electrical circuits and the increase in the number of air switches, if the traditional wiring method is used, a large amount of wires will be required, which are not easy to organize, and multiple sets of coils may cause eddy currents and heat. If the traditional busbar method is used, a fixed-length busbar needs to be customized, and the addition or reduction of air switches in the future requires redesigning and replacing the busbar with a new length. In addition, if one of the air switches needs to be replaced, the entire row of buses needs to be dismantled, which may affect the power supply of important loads in the same row. Therefore, a detachable modular busbar is needed. Summary of the Invention

[0003] Therefore, the technical problem to be solved by the present invention is: by separately splitting the independent bus units, the air switches can be quickly replaced without affecting the power supply of other units, and the air switches before and after them can be increased or reduced without removing the entire row of buses.

[0004] The above technical problem is solved by the following technical solution: The present invention provides a modular air switch busbar, which includes a first module, the first module including a first shell, a first copper core component limitedly disposed in the first shell, and a first contact tooth connected to the first copper core component;

[0005] A second module, the second module comprising a second housing, a second copper core component limitedly disposed in the second housing, and a second contact tooth connected to the second copper core component;

[0006] The first module is combined and connected with the second module.

[0007] In a preferred embodiment of the modular air switch busbar of the present invention, the first shell is A-shaped, the second shell is convex, the first shell and the second shell are mirror-symmetrical along the horizontal plane, and the first module and the second module are nested with each other.

[0008] In a preferred embodiment of the modular air switch busbar of the present invention: the first housing includes a first upper housing and a first lower housing, and the first upper housing is movably connected to the first lower housing;

[0009] The second shell includes a second upper shell and a second lower shell, and the second upper shell is movably connected to the second lower shell.

[0010] In a preferred embodiment of the modular air switch busbar of the present invention, the first upper housing includes a symmetrically arranged first upper groove; the first lower housing includes a symmetrically arranged first lower groove, and the first copper core component is arranged in an accommodating space enclosed by the first upper groove and the first lower groove;

[0011] The second upper shell includes a symmetrically arranged second upper groove; the second lower shell includes a symmetrically arranged second lower groove, and the second copper core component is arranged in an accommodating space enclosed by the second upper groove and the second lower groove.

[0012] In a preferred embodiment of the modular air switch busbar of the present invention: the first copper core assembly is symmetrically arranged, and the first copper core assembly includes a first limiting member and a first-pole copper core, and the first-pole copper core is arranged in the first limiting member;

[0013] The second copper core assembly is symmetrically arranged, and the second copper core assembly includes a second limiting member and a second-pole copper core, and the second-pole copper core is arranged in the second limiting member.

[0014] In a preferred embodiment of the modular air switch busbar of the present invention, the first limiting member includes a first enclosing portion and a first extension portion, the first enclosing portion is hollow inside for accommodating the first pole copper core, the first extension portions are provided at both ends of the first enclosing portion, the first extension portions are semi-enclosed, and the openings face the first lower housing;

[0015] The second limiting member includes a second enclosing portion and a second extension portion. The second enclosing portion is hollow inside for placing the second pole copper core. The second extension portion is arranged at both ends of the second enclosing portion. The second extension portion is semi-enclosed and opens toward the second upper shell.

[0016] In a preferred embodiment of the modular air switch busbar of the present invention, the first extension portion and the second extension portion are enclosed and formed.

[0017] In a preferred embodiment of the modular air switch busbar of the present invention: the first contact teeth are L-shaped, the first contact teeth are connected to the first pole copper core and are staggered between the symmetrically arranged first copper core components;

[0018] The second contact teeth are L-shaped, connected to the second pole copper core and staggered between the symmetrically arranged second copper core components.

[0019] In a preferred embodiment of the modular air switch busbar of the present invention: the first module also includes a first connecting member, the second module also includes a second connecting member, the first connecting member is arranged on the outer wall of the first shell, the second connecting member is arranged on the outer wall of the second shell, and the first connecting member is movably connected to the second connecting member.

[0020] In a preferred embodiment of the modular air switch busbar of the present invention, the first module and the second module cooperate with each other in that the incoming line end is provided with an air switch with two holes.

[0021] The beneficial effects of the present invention are: the first shell is A-shaped, the second shell is convex, the first shell and the second shell are nested with each other and can be combined arbitrarily, and the parallel circuit breakers can be quickly increased or decreased through the mechanical structure. It has the ability to operate under power, independently disconnect the power supply of a single circuit breaker without affecting the power supply of other loads, reducing the risk of affecting the power supply of important loads in the same row, and solving the problem of needing to shut down the entire group of switches when replacing the circuit breaker of the traditional air switch bus, reducing the shutdown of adjacent circuit breakers. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings of the embodiments of the present invention. Obviously, the drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention. Among them:

[0023] Figure 1 Shows the overall structural diagram of the modular air switch busbar;

[0024] Figure 2 shows a schematic structural diagram of the first module;

[0025] Figure 3 shows a cross-sectional view of a first module;

[0026] Figure 4 shows a schematic structural diagram of the second module;

[0027] Figure 5 shows a cross-sectional view of the second module;

[0028] Figure 6 A partial cross-sectional view of a modular air switch busbar is shown. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below with reference to specific embodiments and the accompanying drawings.

[0030] The terms used in the present invention are those commonly used in the art in view of the functions of the present invention, but these terms may vary according to the intentions of those skilled in the art, precedents, or new technologies in the art. In addition, specific terms may be selected by the applicant, and in such cases, their detailed meanings will be described in the detailed description of the present invention. Therefore, the terms used in the specification should not be understood as simple names, but rather as the meanings of the terms and the overall description of the present invention.

[0031] Reference Figure 1 This embodiment provides a modular air switch busbar, including a first module 1 and a second module 2, and the first module 1 and the second module 2 are combined and connected.

[0032] Preferably, the first module 1 includes a first shell 11, a first copper core component 12 limitedly disposed in the first shell 11, and a first contact tooth 13 connected to the first copper core component 12, and the first copper core component 12 is the same length as the first shell 11;

[0033] The second module 2 includes a second shell 21 , a second copper core component 22 limitedly disposed in the second shell 21 , and a second contact tooth 23 connected to the second copper core component 22 . The second copper core component 22 is consistent in length with the second shell 21 .

[0034] Reference Figure 2 and Figure 4 As an optional embodiment, the first shell 11 is A-shaped, the second shell 21 is convex, the first shell 11 and the second shell 21 are mirror-symmetrically arranged along the horizontal plane, the first shell 11 and the second shell 21 have the same height, and the first module 1 and the second module 2 are nested with each other.

[0035] Reference Figures 2 to 6 As an optional embodiment, the first housing 11 includes a first upper housing 111 and a first lower housing 112. The first upper housing 111 and the first lower housing 112 are movably connected. The first upper housing 111 and the first lower housing 112 can be connected together by snap connection or other limited methods, which are not specifically limited here.

[0036] The second shell 21 includes a second upper shell 211 and a second lower shell 212. The second upper shell 211 and the second lower shell 212 are movably connected. The second upper shell 211 and the second lower shell 212 can be connected together by snap connection or other limited methods, which are not specifically limited here.

[0037] Furthermore, the first upper shell 111 includes a symmetrically arranged first upper groove 1111; the first lower shell 112 includes a symmetrically arranged first lower groove 1121, and the first copper core component 12 is arranged in the accommodating space enclosed by the first upper groove 1111 and the first lower groove 1121. The first upper groove 1111 and the first lower groove 1121 are adapted to the first copper core component 12. The first upper groove 1111 and the first lower groove 1121 can be semicircular through-grooves. The first upper groove 1111 and the first lower groove 1121 enclose a circular through-groove. The shapes of the first upper groove 1111 and the first lower groove 1121 are not specifically limited here.

[0038] The second upper shell 211 includes a symmetrically arranged second upper groove 2111; the second lower shell 212 includes a symmetrically arranged second lower groove 2121, and the second copper core component 22 is arranged in the accommodating space enclosed by the second upper groove 2111 and the second lower groove 2121. The second upper groove 2111 and the second lower groove 2121 are adapted to the second copper core component 22. The second upper groove 2111 and the second lower groove 2121 can be semicircular through grooves, and the second upper groove 2111 and the second lower groove 2121 are enclosed to form a circular through groove. The shapes of the second upper groove 2111 and the second lower groove 2121 are not specifically limited here.

[0039] Preferably, the first copper core assembly 12 is symmetrically arranged, and the first copper core assembly 12 includes a first limiting member 121 and a first pole copper core 122. The first pole copper core 122 is arranged in the first limiting member 121. The first limiting member 121 is of the same length as the first upper shell 111. The first limiting member 121 is arranged in the space enclosed by the first upper groove 1111 and the first lower groove 1121 and is limited. The limiting method can be a card slot or other various methods, which are not specifically limited here.

[0040] The second copper core assembly 22 is symmetrically arranged, and the second copper core assembly 22 includes a second limiting piece 221 and a second pole copper core 222. The second pole copper core 222 is arranged in the second limiting piece 221. The second limiting piece 221 is of the same length as the second lower shell 212. The second limiting piece 221 is arranged in the space enclosed by the second upper groove 2111 and the second lower groove 2121 and is limited. The limiting method can be a card slot or other various methods, which are not specifically limited here.

[0041] Furthermore, the first limiting member 121 includes a first enclosing portion 1211 and a first extension portion 1212. The first enclosing portion 1211 is hollow inside for accommodating the first pole copper core 122. The first pole copper core 122 is longer than the first enclosing portion 1211 and extends to the first extension portion 1212. The first extension portions 1212 are provided at both ends of the first enclosing portion 1211. The first extension portions 1212 are semi-enclosed, with the opening facing the first lower housing 112.

[0042] The second limiting member 221 includes a second enclosing portion 2211 and a second extension portion 2212. The interior of the second enclosing portion 2211 is hollow for placing the second pole copper core 222. The length of the second pole copper core 222 is greater than the second enclosing portion 2211 and extends to the second extension portion 2212. The second extension portion 2212 is arranged at both ends of the second enclosing portion 2211. The second extension portion 2212 is semi-enclosed and its opening faces the second upper shell 211.

[0043] Furthermore, the first extension portion 1212 and the second extension portion 2212 are enclosed to form a shape, that is, the openings of the first extension portion 1212 and the second extension portion 2212 are in opposite directions, and the two semi-enclosed shapes of the first extension portion 1212 and the second extension portion 2212 cooperate to achieve an effect similar to the first enclosure portion 1211 or the second enclosure portion 2211, so that the first pole copper core 122 and the second pole copper core 222 arranged in the enclosure are in contact.

[0044] Preferably, the first contact teeth 13 are L-shaped, one end of the first contact teeth 13 is connected to the first pole copper core 122 and is staggered between the symmetrically arranged first copper core components 12, and the other end of the first contact teeth 13 extends out of the first lower housing 112;

[0045] The second contact teeth 23 are L-shaped. One end of the second contact teeth 23 is connected to the second pole copper core 222 and is staggered between the symmetrically arranged second copper core components 22 . The other end of the second contact teeth 23 extends out of the second lower housing 212 .

[0046] When in use, the first module 1 and the second module 2 are nested with each other. The staff splices the first module 1 and the second module 2 according to the actual working conditions on site and the number of circuit breakers and the current size. The first lower shell 112 or the second lower shell 212 is placed directly on the air switch and the corresponding number is designed according to the specific size of the circuit breaker. The first shell 11 is A-shaped, the second shell 21 is convex, the first shell 11 and the second shell 21 are the same height, the first limiter 121 is of the same length as the first upper shell 111, and the second limiter 221 is of the same length as the second lower shell 212. The first extension part 1212 is arranged at both ends of the first enclosure 1211. The first extension part 1212 is semi-enclosed with an opening toward the first lower shell 112. The length of the second pole copper core 222 is greater than the second enclosure 2211 and extends to the second extension part 2212. The second extension part 2212 is arranged at the second enclosure 221 1 at both ends, the second extension part 2212 is a semi-enclosed shape, with an opening facing the second upper shell 211. The openings of the first extension part 1212 and the second extension part 2212 face opposite directions. The first extension part 1212 and the second extension part 2212 cooperate with each other in the semi-enclosed shape to achieve an effect similar to the first enclosure 1211 or the second enclosure 2211, so that the first pole copper core 122 and the second pole copper core 222 arranged in the enclosure are in contact. When it is necessary to disassemble the first shell 11 alone, the first module 1 is removed. When it is necessary to disassemble the second shell 21 alone, the two adjacent first shells 11 are removed first, and then the second shell 21 is removed, so as to avoid the entire nested first module 1 and second module 2 being completely powered off. In order to avoid the cumbersome removal of the second shell 21, the importance, current size, fragility and replacement frequency of each circuit breaker load can be evaluated in advance and arranged evenly.

[0047] Reference Figure 1 、 Figure 2 and Figure 4 As an optional embodiment, the first module 1 further includes a first connecting member 14, and the second module 2 further includes a second connecting member 24. The first connecting member 14 is arranged on the outer wall of the first shell 11, and the second connecting member 24 is arranged on the outer wall of the second shell 21. The first connecting member 14 and the second connecting member 24 are movably connected. The first connecting member 14 and the second connecting member 24 can be connected in various ways such as snap connections to ensure that the first shell 11 and the second shell 21 are tightly connected when they are matched. When it is necessary to take out the first module 1 or the second module 2 separately, the snap can be unlocked for quick disassembly.

[0048] Refer to the picture~ Figure 6 As an optional embodiment, the first module 1 and the second module 2 cooperate with each other to open a two-hole circuit breaker at the incoming line end, so that the power supply can be introduced at the other hole. When replacing a single module, it will not affect other loads and the power supply can be introduced at both ends.

[0049] Finally, it should be pointed out that the methods and devices described in detail above are merely embodiments, and those skilled in the art can modify these embodiments in different ways without departing from the scope of the present invention.

Claims

1. A modular air switch busbar, characterized by: include, A first module (1), comprising a first housing (11), a first copper core component (12) positionally disposed within the first housing (11), and a first contact tooth (13) connected to the first copper core component (12); A second module (2), the second module (2) comprising a second housing (21), a second copper core component (22) positionally disposed within the second housing (21), and a second contact tooth (23) connected to the second copper core component (22); The first module (1) and the second module (2) are combined and connected.

2. The modular air switch busbar according to claim 1, characterized in that: The first shell (11) is A-shaped, the second shell (21) is convex, the first shell (11) and the second shell (21) are mirror-symmetrical along a horizontal plane, and the first module (1) and the second module (2) are nested with each other.

3. The modular air switch busbar according to claim 2, characterized in that: The first housing (11) comprises a first upper shell (111) and a first lower shell (112), wherein the first upper shell (111) and the first lower shell (112) are movably connected; The second housing (21) comprises a second upper shell (211) and a second lower shell (212), and the second upper shell (211) and the second lower shell (212) are movably connected.

4. The modular air switch busbar according to claim 3, characterized in that: The first upper shell (111) includes a symmetrically arranged first upper groove (1111); the first lower shell (112) includes a symmetrically arranged first lower groove (1121); the first copper core component (12) is arranged in an accommodating space enclosed by the first upper groove (1111) and the first lower groove (1121); The second upper shell (211) includes a symmetrically arranged second upper groove (2111); the second lower shell (212) includes a symmetrically arranged second lower groove (2121); and the second copper core component (22) is arranged in an accommodating space enclosed by the second upper groove (2111) and the second lower groove (2121).

5. The modular air switch busbar according to claim 1, characterized in that: The first copper core assembly (12) is symmetrically arranged, and the first copper core assembly (12) comprises a first limiting member (121) and a first pole copper core (122), and the first pole copper core (122) is arranged in the first limiting member (121); The second copper core assembly (22) is symmetrically arranged, and the second copper core assembly (22) comprises a second limiting member (221) and a second pole copper core (222), and the second pole copper core (222) is arranged in the second limiting member (221).

6. The modular air switch busbar according to claim 5, characterized in that: The first limiting member (121) comprises a first enclosing portion (1211) and a first extension portion (1212); the first enclosing portion (1211) is hollow inside for accommodating the first pole copper core (122); the first extension portion (1212) is arranged at both ends of the first enclosing portion (1211); the first extension portion (1212) is semi-enclosed, with an opening facing the first lower shell (112); The second position-limiting member (221) comprises a second enclosing portion (2211) and a second extension portion (2212); the second enclosing portion (2211) is hollow inside for accommodating the second pole copper core (222); the second extension portion (2212) is arranged at both ends of the second enclosing portion (2211); the second extension portion (2212) is semi-enclosed, with an opening facing the second upper shell (211).

7. The modular air switch busbar according to claim 6, characterized in that: The first extension portion (1212) and the second extension portion (2212) are enclosed to form a shape.

8. The modular air switch busbar according to claim 6, characterized in that: The first contact teeth (13) are L-shaped, connected to the first pole copper core (122) and staggered between the symmetrically arranged first copper core components (12); The second contact teeth (23) are L-shaped, connected to the second pole copper core (222), and staggered between the symmetrically arranged second copper core components (22).

9. The modular air switch busbar according to claim 1, characterized in that: The first module (1) further comprises a first connecting member (14), and the second module (2) further comprises a second connecting member (24), wherein the first connecting member (14) is arranged on the outer wall of the first shell (11), and the second connecting member (24) is arranged on the outer wall of the second shell (21), and the first connecting member (14) and the second connecting member (24) are movably connected.

10. The modular air switch busbar according to claim 1, characterized in that: The first module (1) and the second module (2) cooperate with each other to form a two-hole circuit breaker at the incoming line end.

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