Duo half-round tubular busbar

The tube busbar design with a spiral twist plate core and connecting portion addresses mechanical weakness, enhancing current flow and durability against magnetic fields.

WO2025221019A1PCT designated stage Publication Date: 2025-10-23KOREA GREEN ELECTRIC POWER CO LTD +1
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Patent Information

Application Number
PCT/KR2025/005126
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-04-16
Filing Date
2025-04-15
Publication Date
2025-10-23

AI Technical Summary

Technical Problem

Tube busbars suffer from mechanical weakness in their central portions due to insufficient strength against high current repulsion forces, leading to bending damage.

Method used

A tube busbar design featuring a tube body with increased rigidity, a spiral-shaped twist plate core inside for enhanced magnetic field durability, and a connecting portion at both ends for integration with electrical facilities, along with a twist plate core that maximizes current flow and supports uniform magnetic field durability.

Benefits of technology

The design enhances current carrying capacity and durability against magnetic fields by maximizing current flow and providing structural support, minimizing internal heat generation and bending deformation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to a duo half-round tubular busbar. The purpose of the present invention is to maximize a conduction current and provide durability against a current-induced magnetic field. The busbar of the present invention comprises: a tubular busbar body which is formed as a hollow tube, has support strength against a magnetic field, and is provided to maximize the amount of conduction current due to a skin current; a twisted plate core provided in a spiral shape inside the tubular busbar body to improve the magnetic field durability of the tubular busbar body, have uniform support force for the magnetic field durability, and maximize the conduction current; and a connection unit compressed and integrated with both ends of the tubular busbar body with the twisted plate core interposed therebetween and provided to be mounted to an electric facility.
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Description

Duo Half-Round Tubular Busbar

[0001] The present invention relates to a duo half-round tubular busbar, and more specifically, to a busbar, the busbar comprising: a tube busbar body formed in a tube shape and having a strength to support a magnetic field and having a maximum current flow rate due to a skin current; a twist plate core formed in a spiral shape inside the tube busbar body to improve the magnetic field durability of the tube busbar body, to have a uniform support force for the magnetic field durability, and to maximize the current flow rate; and a connecting portion provided at both ends of the tube busbar body to be press-integrated with the twist plate core so as to be mounted on an electrical facility, thereby maximizing the current flow rate and having durability against a magnetic field flow rate.

[0002]

[0003] Generally, busbars are used to distribute large currents in distribution panels.

[0004]

[0005] Most busbars like the above are formed in a plate shape to minimize electrical resistance and maximize conduction current.

[0006]

[0007] Meanwhile, when the above busbar is formed into a flat plate, there is a problem of deformation or cutting damage due to the high current repulsion force, so a tube busbar with a high cross-sectional modulus and high mechanical strength is used to improve its mechanical strength.

[0008]

[0009] However, the tube busbar as described above also had a problem in that its central portion was damaged by bending because its mechanical strength against high current repulsion was insufficient.

[0010]

[0011] Accordingly, the present invention aims to solve the problem that the tube busbar as described above does not have sufficient mechanical strength against a large current repulsion force, resulting in bending damage in the central portion.

[0012]

[0013] That is, the present invention is characterized by comprising a tube busbar body formed in a tube shape and having a strength to support a magnetic field and having a current flow amount maximized by a skin current, a twist plate core formed in a spiral shape inside the tube busbar body to improve the magnetic field durability of the tube busbar body, have a uniform support force for the magnetic field durability, and maximize the current flow, and a connecting portion provided at both ends of the tube busbar body by being press-integrated with the twist plate core so that the tube busbar body can be installed in an electrical facility.

[0014] The present invention is characterized by forming a tube rib that is continuous in the longitudinal direction so as to increase the support rigidity of the tube busbar body.

[0015]

[0016] The present invention is characterized in that the twist plate core is formed with one or two plate seals on both sides except for the central portion, so that the plate seals are continuous in the longitudinal direction to maximize the cross-sectional area of ​​the current-carrying member.

[0017]

[0018] The present invention is characterized in that a bending support groove is formed so that the connecting portion has bending deformation support force toward the tube busbar body.

[0019]

[0020] The present invention is characterized in that the twist plate core is formed to have 10 to 30 twists per meter.

[0021]

[0022] The present invention is characterized in that the current resistance of the twist plate core is formed to be lower than the current resistance of the tube bus bar body so as to minimize the amount of internal heat generated due to current flow.

[0023]

[0024]

[0025] Accordingly, the present invention comprises a tube busbar body formed as a tube body and having a support strength for a magnetic field and having a current carrying amount maximized by a skin current, a twist plate core formed in a spiral shape inside the tube busbar body to improve the magnetic field durability of the tube busbar body, have a uniform support strength for the magnetic field durability, and maximize the current carrying current, and a connecting portion provided at both ends of the tube busbar body to be press-integrated and installed in an electrical facility with the twist plate core interposed therebetween, thereby having the effect of maximizing the current carrying current and improving durability against a current carrying magnetic field.

[0026] Fig. 1 is a cross-sectional view of a duo half-round tubular busbar showing one embodiment of the present invention.

[0027] FIG. 2 is a cross-sectional view of a duo half-round tubular busbar showing another embodiment of the present invention.

[0028] Fig. 3 is a cross-sectional view of a duo half-round tubular busbar showing another embodiment of the present invention.

[0029] Fig. 4 is a perspective view of a duo half-round tubular busbar showing one embodiment of the present invention.

[0030] FIG. 5 is a perspective view of a duo half-round tubular busbar showing another embodiment of the present invention.

[0031] Figure 6 is a perspective view of a duo half-round tubular busbar showing another embodiment of the present invention.

[0032] Hereinafter, the detailed description will be given with reference to the attached drawings.

[0033] The present invention is to maximize the current flow and improve durability against a current-carrying magnetic field. The terms or words used in this specification and claims should not be interpreted as limited to their usual or dictionary meanings, and should be interpreted as meanings and concepts that conform to the technical idea of ​​the present invention based on the principle that the inventor can appropriately define the concept of the term in order to explain his or her own invention in the best way.

[0034] Accordingly, the embodiments described in this specification and the configurations illustrated in the drawings are only the most preferred embodiments of the present invention and do not represent all of the technical ideas of the present invention. Therefore, it should be understood that there may be various equivalents and modified examples that can replace them at the time of filing this application.

[0035]

[0036] That is, the present invention is a busbar comprising a tube busbar body, a twist plate core, and a connecting portion.

[0037] That is, the present invention is a busbar composed of a tube busbar body (100), a twist plate core (200), and a connecting portion (300).

[0038]

[0039] Here, the tube busbar body (100) is formed as a tube body and has a support strength for a magnetic field and is provided so that the amount of current flowing through the skin current is maximized.

[0040] The above tube busbar body (100) can be implemented by forming a tube rib (110) that is continuous in the longitudinal direction to increase the support rigidity.

[0041]

[0042] In addition, the above twist plate core (200) is provided to support the tube bus bar body (100) and maintain its shape by being joined in a plate shape to the center of the tube bus bar body (100) to increase the current flow and improve the shape retention.

[0043] In addition, since it is EK according to the user's choice, the twist plate core (200) is formed in a spiral shape inside the tube bus bar body (100) to improve the magnetic field durability of the tube bus bar body (100), to have an even support force for the magnetic field durability, and to maximize the current flow.

[0044] The above twist plate core (200) can be implemented by forming one or two plate seal portions (210) on both sides except for the central portion, which are continuous in the longitudinal direction so as to maximize the cross-sectional area of ​​the current conductor.

[0045] The above twist plate core can be implemented so that 10 to 30 twists are made per meter.

[0046] If the twist of the twist plate core body is formed to be less than 10 twists per 1 m, the durability of the tube bus bar body (100) by the twist plate core body is weakened. If the twist of the twist plate core body is formed to be less than 10 twists per 1 m, the durability of the tube bus bar body (100) by the twist plate core body is weakened. If the twist of the twist plate core body is formed to be more than 30 twists, the length of the twist plate core body is lengthened, and the current resistance is excessively increased. Therefore, it is preferable that the number of twists of the twist plate core body be 10 to 30 twists per 1 m.

[0047]

[0048] In addition, the above connecting portion (300) is provided so that it can be installed in an electrical facility by being press-integrated with a twist plate core between both ends of the above tube bus bar body (100).

[0049] The above connection part (300) can be implemented so that a bolt hole (310) is formed in the center to which a fixing bolt of an electric device is mounted.

[0050] The above connection portion (300) can be implemented by forming a bending support groove (320) that is inserted toward the tube bus bar body (100) to have bending deformation support force.

[0051]

[0052] Meanwhile, in the implementation of the present invention, it is preferable to make the current resistance of the twist plate core body smaller than the current resistance of the tube bus bar body (100) so as to minimize the amount of internal heat generated due to current flow.

[0053]

[0054] Hereinafter, the operational effects according to the application of the present invention will be described as follows.

[0055] As described above, when the present invention is applied and implemented, the tube busbar body (100) is formed as a tube body and has a support strength for a magnetic field and is provided so as to maximize the amount of current flowing due to a skin current, the twist plate core (200) is provided in a spiral shape inside the tube busbar body (100) so as to improve the magnetic field durability of the tube busbar body (100), have an even support strength for the magnetic field durability, and maximize the current flowing, and the connecting part (300) is provided so as to be installed in an electrical facility by compressing and integrating the twist plate core at both ends of the tube busbar body (100), the current flowing current is maximized and durability against a magnetic field flowing is provided.

[0056]

[0057] <Explanation of symbols>

[0058] 100: Tube busbar body 110: Tube rib

[0059] 200: Twisted plate 210: Plate bongbu

[0060] 300: Connection

[0061] 310: Bolt hole 320: Bend support groove

Claims

1. On the bus bar; It is composed of a tube busbar body formed as a tube body and having a support strength for a magnetic field and equipped to maximize the amount of current flowing by skin current, a twist plate core provided to support the tube busbar body and maintain its shape by being combined in a plate shape at the center of the tube busbar body to increase the current flowing and improve the shape-retaining ability, and a connecting part provided to be installed in an electrical facility by compressing and integrating the twist plate core at both ends of the tube busbar body; The above twist plate core is formed in a spiral shape inside the tube busbar body to improve the magnetic field durability of the tube busbar body, to have an even support force for the magnetic field durability, and to maximize the current flow; The above tube busbar body forms a tube rib that is continuous in the longitudinal direction to increase the support rigidity; The above twist plate core is formed by forming one or two plate seals on both sides except for the central portion when the twist plate core is continuous in the longitudinal direction so as to maximize the cross-sectional area of ​​the conductor; A duo half-round tubular busbar characterized in that the above connecting portion is formed with a bending support groove that has bending deformation support force toward the tube busbar body.

2. In paragraph 1; A duo half-round tubular busbar characterized in that the above twist plate core is formed to have 10 to 30 twists per meter.

3. In paragraph 1; A duo half-round tubular busbar characterized by having a lower current resistance of the twist plate core than the current resistance of the tube busbar body to minimize internal heat generation due to current flow.

Citation Information

Patent Citations

  • Conductor for gas-insulating bus

    JP2011193658A

  • Stretchable conductors and high voltage configurations

    JP2022553049A

  • Multilayer type power cable

    KR100902482B1

  • Multilayer type power cable

    KR101089675B1

  • Busbar

    KR101672630B1