CN220474975U

CN220474975U - Bus adapter

Info

Publication number: CN220474975U
Application number: CN202322124794.XU
Authority: CN
Inventors: 陈海荣; 徐劲琳; 董仕
Original assignee: Wohner Beijing Electrical System Co ltd
Current assignee: Wohner Beijing Electrical System Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-09
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a bus adapter, which comprises a base, a conductive bar group and a protective cover plate, wherein the protective cover plate is detachably connected to the base and is positioned on one side of the base facing a bus system. The bus adapter can adapt to the requirements of more air gaps and creepage distances, has strong universality, can be convenient to produce and manage, and is favorable for improving the use safety of products.

Description

Bus adapter

Technical Field

The utility model relates to the technical field of electrical connection, in particular to a bus adapter.

Background

Bus adapters are commonly used to make electrical connection of circuit breakers and bus systems. In the case of different applications on the market, the requirements for the air gap and the creepage distance of the busbar adapter are different. For example, bus bar adapters need to meet the U.S. safety laboratory (Underwriters Laboratories, UL) standards for north american market applications, and only the requirements of the international electrotechnical commission (International Electrical Commission, IEC) standard for domestic market applications. This results in a larger number of bus adapters, which are often not universal, and have a lower compatibility, which is not conducive to the production and management of the bus adapters.

Therefore, how to provide a solution to overcome or alleviate the above-mentioned drawbacks is still a technical problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a bus adapter which can meet the requirements of more air gaps and creepage distances, has strong universality, can be conveniently produced and managed, and is beneficial to improving the use safety of products.

In order to solve the technical problems, the utility model provides a bus adapter, which comprises a base, a conductive bar group and a protective cover plate, wherein the protective cover plate is detachably connected to the base and is positioned on one side of the base facing a bus system.

In the above scheme, the protective cover plate and the base are of split type structures, when the protective cover plate is mounted on the base, the bus adapter can meet the requirements of higher air gap and creepage distance, for example, the requirements of the American safety laboratory (Underwriters Laboratories, UL) standard can be adapted, and when the protective cover plate and the base are separated, the bus adapter can meet the requirements of relatively lower air gap and creepage distance, for example, the requirements of the International electrotechnical Commission (International Electrical Commission, IEC) standard can be adapted.

That is, in the embodiment of the utility model, the space gap and creepage distance requirements which can be met by the bus adapter can be changed by disassembling and assembling the protective cover plate, so that the service scene of the bus adapter can be widened, the universality of the bus adapter is improved, and the safety of the bus adapter is ensured.

Optionally, the protective cover plate includes a first cover plate portion, and the first cover plate portion is provided with a first via hole, and the first via hole is used for passing through the connection portion of the conductive bar group.

Optionally, the number of the first through holes is three, and at least part of the outer edges of the first through holes are provided with protection plate parts, and the protection plate parts extend in a direction away from the base.

Optionally, in the three first vias, local hole walls of the two first vias on two lateral sides are provided with avoidance notches.

Optionally, the protective cover plate further includes a second cover plate portion, the second cover plate portion is provided with a second via hole, the busbar adapter further includes an N-pole conductive bar, and the second via hole is used for passing through a connection portion of the N-pole conductive bar.

Optionally, the outer edge of the second via hole is also provided with a protection plate part, and the protection plate part extends along a direction away from the base.

Optionally, the protective cover plate is provided with a second clamping structure, the base may be provided with a second clamping matching structure, and the second clamping structure is clamped with the second clamping matching structure.

Optionally, the protective cover plate is provided with a second guiding structure, the base is provided with a second guiding matching structure, and the second guiding structure can be inserted into the second guiding matching structure.

Optionally, the second guiding structure includes the guide post, just the outer wall surface of guide post still is provided with the guide bar, the guide bar is used for realizing the second guiding structure with the interference cartridge of second direction cooperation structure.

Optionally, the protective cover plate is provided with a reinforcing rib.

Drawings

FIG. 1 is a connection block diagram of a bus adapter, a bus system, and a circuit breaker provided by the present utility model;

fig. 2 is a schematic structural view of the first cover plate portion;

FIG. 3 is a schematic view of the structure of FIG. 2 at another view angle;

FIG. 4 is a schematic view of the second guiding structure in FIG. 3;

fig. 5 is a connection structure diagram of the first cover plate portion and the base;

fig. 6 is a schematic structural view of the second cover plate portion;

fig. 7 is a connection structure diagram of the protective cover and the base.

The reference numerals are explained as follows:

100. a bus bar adapter; 110. a base; 140. connecting the row groups; 150. a protective cover plate; 151. a first cover plate portion; 151a, first vias; 151b, avoiding gaps; 151c, reinforcing ribs; 151d, a second clamping structure; 151e, a second guiding structure; 151e-1, guide posts; 151e-2 guide ribs; 152. a second cover plate portion; 152a, second vias; 153. a guard plate portion;

200. a bus system;

300. a circuit breaker.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments.

In embodiments of the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and for example, "connected" may be either detachably connected or non-detachably connected; may be directly connected or indirectly connected through an intermediate medium.

In the description of embodiments of the present utility model, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Referring to fig. 1, fig. 1 is a connection structure diagram of a bus adapter, a bus system and a circuit breaker according to the present utility model.

In a typical scenario, as shown in fig. 1, an external device in the form of a circuit breaker 300 or the like may be mounted to the bus bar system 200 via the bus bar adapter 100.

For ease of description, the orientations of "front", "rear", "upper", "lower", "left", "right", etc. may be defined in terms of the orientations and positional relationships in fig. 1 and 2. Specifically, the installation direction of the circuit breaker 300, the bus bar adapter 100, and the bus bar system 200 may be the front-rear direction, wherein the side of the circuit breaker 300 is the front, and the side of the bus bar system 200 is the rear, and the front-rear direction may be also referred to as the thickness direction; the length direction of the bus bar adapter 100 may be referred to as the up-down direction, and the up-down direction may be referred to as the vertical direction; the width direction of the busbar adapter 100 may be a left-right direction, which may be also referred to as a lateral direction.

In one implementation, the upper end of the circuit breaker 300 may be electrically connected through the connection array 140 and the bus bar adapter 100, and may be electrically connected through the bus bar adapter 100 and the bus bar system 200, and then the lower end of the circuit breaker 300 may be outgoing through the installation cable.

As described in the background section, in the prior art, according to the requirements of the adaptive air gap and the creepage distance, the bus adapters of different types cannot be commonly used, so that the compatibility is poor, and the production and management of the bus adapters are not facilitated.

In view of this, the present utility model provides a bus adapter 100, which is configured with a detachable protective cover plate, and by disassembling the protective cover plate, an air gap and a creepage distance that can be adapted to the bus adapter 100 can be changed, so that compatibility of the bus adapter 100 can be improved, an application scenario of the bus adapter 100 can be widened, production and management of the bus adapter 100 can be facilitated, and safety can be improved.

Specifically, referring to fig. 2 to 7, fig. 2 is a schematic structural view of the first cover plate portion; FIG. 3 is a schematic view of the structure of FIG. 2 at another view angle; FIG. 4 is a schematic view of the second guiding structure in FIG. 3; fig. 5 is a connection structure diagram of the first cover plate portion and the base; fig. 6 is a schematic structural view of the second cover plate portion; fig. 7 is a connection structure diagram of the protective cover and the base.

As shown in fig. 2-7, in an embodiment of the present utility model, the bus bar adapter 100 may further include a protective cover 150, where the protective cover 150 is detachably connected to the base 110 and may be located on a side of the base 110 facing the bus bar system 200.

With this arrangement, the bus bar adapter 100 can meet higher air gap and creepage distance requirements, such as may be adapted to the requirements of the U.S. safety laboratory (Underwriters Laboratories, UL) standard, when the protective cover 150 is mounted to the base 110, and the bus bar adapter 100 can meet relatively lower air gap and creepage distance requirements, such as may be adapted to the requirements of the international electrotechnical commission (International Electrical Commission, IEC) standard, when the protective cover 150 is separated from the base 110.

That is, in the embodiment of the present utility model, by disassembling and assembling the protective cover plate 150, the requirements of the space gap and the creepage distance that can be satisfied by the bus adapter 100 can be changed, the usage scenario of the bus adapter 100 can be widened, so as to improve the versatility of the bus adapter 100 and be beneficial to improving the safety of the bus adapter 100.

The protective cover 150 and the base 110 may be fastened to each other, or may be screw-connected to each other, so long as they can satisfy the requirement of being detachable. In one implementation, the protective cover 150 may be provided with a second clamping structure 151d, the base 110 may be provided with a second clamping structure 110h, and the second clamping structure 151d may be clamped with the second clamping structure 110h, for implementing connection between the protective cover 150 and the base 110 in the thickness direction. One of the second clamping structure 151d and the second clamping matching structure 110h may be a hook, and the other may be a slot or a hole.

Further, the protective cover 150 may further be provided with a second guiding structure 151e, and accordingly, the base 110 may further be provided with a second guiding mating structure (not shown in the figure), where the second guiding structure 151e can be inserted into the second guiding mating structure, so as to provide guiding for the clamping connection of the second clamping structure 151d and the second clamping mating structure 110 h.

One of the second guide structure 151e and the second guide mating structure may be a column, and the other may be a hole type or a groove type structure for mounting and guiding the protective cover 150. In particular to the implementation manner of the drawings, as shown in fig. 3 and 4, the second guiding structure 151e may be a column, including the guiding column 151e-1, and the outer wall surface of the guiding column 151e-1 may be further provided with a guiding rib 151e-2, where the guiding rib 151e-2 can implement interference fit between the second guiding structure 151e and the second guiding mating structure, so as to improve connection reliability of the protective cover 150 and the base 110, and reduce a situation that a part (for example, a middle part) of the protective cover 150 is raised.

The protective cover 150 may include a first cover portion 151, where the first cover portion 151 is configured to cooperate with the main body portion 111 to adapt to the tripolar bus adapter, and the first cover portion 151 is provided with a first via 151a, where the first via 151a is configured to pass through a connection portion of the conductive bar group 120. As described above, the conductive bar group 120 includes the first conductive bar 121, the second conductive bar 122 and the third conductive bar 123, and accordingly, the number of the first vias 151a may be three, and the three first vias 151a may respectively correspond to the first connection portion 121b, the second connection portion 122b and the third connection portion 123 b.

The outer edge of at least part of the first via hole 151a may be configured with a shielding plate portion 153, and the shielding plate portion 153 may extend in a direction away from the base 110 to increase a creepage distance and an air gap between two connection portions adjacent in an up-down direction. The protection plate 153 may be adapted to the shape of the hook, so that the protection plate 153 and the hook may be engaged to guide the protection cover 150 during the installation of the protection cover 150. In particular, in fig. 2, the shielding plate portion 153 may be provided for the two first via holes 151a located on the lower side.

Further, as shown in fig. 2, among the three first vias 151a, the partial hole walls of the two first vias 151a located at the left and right sides may be provided with avoidance notches 151b, that is, the first vias 151a may not have a complete annular wall surface in the circumferential direction, so that the partial structure located on the base 110 may be avoided in the installation process, and further, the first cover plate 151 may be accurately assembled in a butt joint manner with the base 110.

As shown in fig. 6 and 7, the protective cover 150 may further include a second cover portion 152, and the second cover portion 152 may be provided with a second via 152a, and for a four-pole bus bar adapter including the N-pole conductive bar 130, the second via 152a may be used for the penetration of the N-pole connection portion 133 of the N-pole conductive bar 130. Also, the outer edge of the second via hole 152a may be provided with a shielding plate portion 153, and the shielding plate portion 153 may extend toward the side where the bus bar system 200 is located.

The first and second cover plate portions 151 and 152 may each have a plate-like structure, and a plurality of reinforcing ribs 151c may be disposed on each of the first and second cover plate portions 151 and 152 for improving structural strength of the first and second cover plate portions 151 and 152.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides a bus bar adapter, its characterized in that includes base (110), conducting bar group (120) and protective cover board (150), conducting bar group (120) install in base (110), protective cover board (150) detachably connect in base (110), and be located base (110) are towards one side of bus bar system (200).

2. The busbar adapter according to claim 1, wherein the protective cover plate (150) comprises a first cover plate portion (151), the first cover plate portion (151) being provided with a first via (151 a), the first via (151 a) being used for the penetration of the connection portion of the conductor bar group (120).

3. The busbar adapter according to claim 2, wherein the number of the first vias (151 a) is three, and at least part of the outer edges of the first vias (151 a) are provided with shielding plate portions (153), the shielding plate portions (153) extending in a direction away from the base (110).

4. A busbar adapter according to claim 3, wherein among the three first vias (151 a), partial hole walls of two of the first vias (151 a) on both lateral sides are provided with avoidance notches (151 b).

5. The bus bar adapter according to claim 1, wherein the protective cover plate (150) further comprises a second cover plate portion (152), the second cover plate portion (152) being provided with a second via (152 a), the bus bar adapter (100) further comprising an N-pole conductive row (130), the second via (152 a) being for the penetration of a connection portion of the N-pole conductive row (130).

6. The busbar adapter according to claim 5, wherein an outer edge of the second via hole (152 a) is also provided with a shielding plate portion (153), the shielding plate portion (153) extending in a direction away from the base (110).

7. The bus bar adapter according to any of claims 1-6, wherein the protective cover plate (150) is provided with a second clamping structure (151 d), the base (110) may be provided with a second clamping mating structure (110 h), and the second clamping structure (151 d) and the second clamping mating structure (110 h) are clamped.

8. The busbar adapter of claim 7, wherein the protective cover plate (150) is provided with a second guiding structure (151 e), the base (110) is provided with a second guiding mating structure, and the second guiding structure (151 e) can be plugged into the second guiding mating structure.

9. The busbar adapter according to claim 8, wherein the second guiding structure (151 e) comprises a guiding post (151 e-1), and an outer wall surface of the guiding post (151 e-1) is further provided with a guiding rib (151 e-2), and the guiding rib (151 e-2) is used for realizing interference fit of the second guiding structure (151 e) and the second guiding mating structure.

10. The busbar adapter according to any of claims 1 to 6, wherein the protective cover plate (150) is provided with a reinforcing rib (151 c).