Novel intensive bus duct with heat dissipation structure

Abstract

The utility model discloses a novel intensive bus duct with a heat dissipation structure. The novel intensive bus duct comprises a shell structure and a busbar structure arranged in the shell structure, the busbar structure comprises a heat dissipation busbar, the heat dissipation busbar comprises heat dissipation ends arranged at the two ends and a heat conduction end connected with the two heat dissipation ends, and the heat dissipation ends are connected with the upper end and the lower end of the shell structure respectively on the outer side of the shell structure. The shell structure comprises a left shell and a right shell, the left shell comprises left connecting parts arranged at the two ends and a left supporting part connected with the two left connecting parts, and the right shell comprises right connecting parts arranged at the two ends and a right supporting part connected with the two right connecting parts; and an internal space for accommodating the busbar structure is formed among the left supporting part, the right supporting part and the two heat dissipation ends. According to the utility model, through the unique heat dissipation busbar structure, the heat dissipation efficiency is improved, the cost is reduced, and the structural stability and safety of the bus duct are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of power transmission, especially, a new type of heat dissipation structure intensive bus duct. BACKGROUND

[0002] Bus duct is an important electrical equipment for power transmission and distribution, mainly applied to high-rise buildings, industrial plants and other places of large current power supply system. It is composed of multiple closed metal shells, and multiple parallel conductive rows (i.e. bus) are installed inside, which are responsible for transmitting electric energy from the power supply end to each power consumption point. The design of bus duct not only needs to meet the transmission demand of large capacity current, but also needs to ensure good safety and reliability under long time high load working condition.

[0003] Although the traditional bus duct has been widely used in various occasions, there are still some significant problems in the actual application process, especially the poor heat dissipation performance. When the current in the bus duct is large, the resistance between the conductors will generate a lot of heat. If the heat dissipation effect is not good, it will cause the local temperature to be too high, affecting the stability and safety of the whole system. In the traditional bus duct, the conductors of each phase are arranged closely, especially in the multi-layer structure design, the conductors located in the middle position will be difficult to effectively dissipate the heat generated by themselves due to the high temperature of the surrounding environment, forming a "heat island" effect, further aggravating the temperature rise problem. In order to improve the above heat dissipation problem, the common method at present is to increase the cross section area of the conductor or improve the quality of the heat dissipation material, which undoubtedly increases the manufacturing cost of the product. In addition, increasing the size of the conductor will also lead to the increase of the overall volume of the bus duct, which is not conducive to the improvement of space utilization efficiency. Even if the heat dissipation performance is improved by the above measures, due to the limitation of structure, the actual running state of the bus duct is still difficult to reach the ideal level. The temperature that is too high not only shortens the service life of the conductor, but also may cause safety hazards. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a new type of heat dissipation structure intensive bus duct to solve the technical problem of heat accumulation inside the bus duct.

[0005] In order to achieve the above purpose, the specific technical scheme of the utility model of a new type of heat dissipation structure intensive bus duct is as follows:

[0006] A new type of heat dissipation structure intensive bus duct comprises a shell structure and a busbar structure arranged in the shell structure;

[0007] The busbar structure comprises a heat dissipation busbar, the heat dissipation busbar comprises heat dissipation ends arranged at both ends and a heat conduction end connecting the two heat dissipation ends, and the heat dissipation ends are respectively connected with the upper and lower ends of the shell structure outside the shell structure;

[0008] The housing structure includes a left housing and a right housing, wherein the left housing includes a left connecting portion provided at both ends and a left supporting portion connecting the two left connecting portions; the right housing includes a right connecting portion provided at both ends and a right supporting portion connecting the two right connecting portions;

[0009] An internal space for accommodating the busbar structure is formed between the left supporting portion, the right supporting portion and the two heat dissipation ends.

[0010] As a further improvement of the present invention, the busbar structure is arranged in the internal space parallel to the left support portion and the right support portion.

[0011] As a further improvement of the present invention, the busbar structure further includes an L1-phase busbar, an L2-phase busbar, an L3-phase busbar and an N-phase busbar arranged on both sides of the heat dissipation busbar.

[0012] As a further improvement of the present invention, the L1 phase busbar, L2 phase busbar, heat dissipation busbar, L3 phase busbar and N phase busbar are sequentially arranged between the left support part and the right support part.

[0013] As a further improvement of the present invention, the heat dissipation busbar is an "I"-shaped structure, and the heat-conducting end is parallel to the left support part and the right support part and connects the center position of the two heat dissipation ends.

[0014] As a further improvement of the present invention, the left shell and the right shell are symmetrically arranged on both sides of the heat conduction end.

[0015] As a further improvement of the present invention, the heat dissipation busbar and the left support portion and the right support portion respectively separate the internal space into two symmetrical spaces.

[0016] As a further improvement of the present invention, the surface of the busbar structure is covered with a polyester film.

[0017] As a further improvement of the present invention, a convex heat dissipation structure is provided on the outside of the left support portion and the right support portion relative to the inner space.

[0018] As a further improvement of the present invention, the heat dissipation busbar, the left support portion and the right support portion are respectively integrally formed structures.

[0019] Beneficial effects:

[0020] The unique I-shaped heat dissipation busbar structure not only increases the surface area in contact with air, improving heat dissipation capacity, but also saves internal space, making the entire bus duct more compact and easier to install and transport. The heat dissipation end is located outside the housing and connected to both ends, effectively transferring internal heat to the external environment, significantly improving heat dissipation efficiency. Furthermore, the heat conduction end is located at the center of the heat dissipation end, ensuring even heat distribution and preventing localized overheating.

[0021] The busbar structure is arranged in parallel between the left and right support parts of the shell, and is arranged in the order of L1 phase, L2 phase, heat dissipation busbar, L3 phase and N phase. This layout not only makes the distance between the phases moderate, reducing electromagnetic interference, but also is conducive to the circulation of airflow, further enhancing the heat dissipation effect.

[0022] The left and right shells are symmetrically arranged and manufactured using one-piece molding technology. This design not only improves the mechanical strength of the shell and ensures the stability of the bus duct when it withstands large currents, but also simplifies the assembly process and reduces production costs.

[0023] All busbar surfaces are covered with polyester film, which not only provides good insulation to prevent short-circuit accidents, but also blocks external moisture to a certain extent, extending the service life of the bus duct.

[0024] A raised heat dissipation structure is added to the outside of the shell, which increases the surface area in contact with the air, promotes the natural cooling process, and has a positive effect on improving the overall heat dissipation performance of the bus duct.

[0025] In summary, the utility model proposes a new type of heat dissipation structure-intensive bus duct, which, through reasonable structural design and material selection, ensures efficient heat dissipation while achieving effective cost control and comprehensive performance improvement. It is suitable for a variety of complex working environments and has high market application value and development prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of a new type of heat dissipation structure intensive bus duct structure of the utility model;

[0027] Explanation of the marks in the figure: 110, left shell; 111, left connecting part; 112, left supporting part; 120, right shell; 121, right connecting part; 122, right supporting part; 210, heat dissipation busbar; 211, heat dissipation end; 212, heat conduction end; 220, L1 phase busbar; 230, L2 phase busbar; 240, L3 phase busbar; 250, N phase busbar. DETAILED DESCRIPTION

[0028] In order to deepen the understanding of the utility model, the utility model will be further described in combination with embodiments and drawings below, and the embodiments are only used to explain the utility model and do not constitute the limitation on the protection scope of the utility model.

[0029] Implementation example:

[0030] As Figure 1 The novel heat dissipation structure intensive bus duct shown in the figure includes a shell structure and a busbar structure, the shell structure includes a left shell 110 and a right shell 120 which are symmetrical to each other and open to both sides, and are respectively made of aluminum alloy by integral molding. The left shell 110 includes a left connecting part 111 arranged along the busbar structure, and a left supporting part 112 extending outward at both ends of the left connecting part 111, and the right shell 120 is symmetrically provided with a right connecting part 121 and a right supporting part 122 with the left shell 110. The outer sides of the left and right supporting parts are formed into a heat dissipation structure by arranging heat dissipation teeth, which increases the surface area in contact with air, promotes the natural cooling process, and helps to reduce the temperature rise of the bus duct during operation.

[0031] The busbar structure is sequentially provided with an L1-phase busbar 220, an L2-phase busbar 230, a heat dissipation busbar 210, an L3-phase busbar 240 and an N-phase busbar 250 from the left supporting part 112 to the right supporting part 122. Each phase busbar is uniformly and parallelly arranged parallel to the left and right supporting parts, and the surfaces of the L1-phase busbar 220, the L2-phase busbar 230, the L3-phase busbar 240 and the N-phase busbar 250 are all wrapped with polyester film and fixed by winding to enhance the insulation performance and protect the continuity of circuit grounding.

[0032] The heat dissipation busbar 210 is of an I-shaped structure and is integrally formed of heat dissipation aluminum profile, and the upper and lower ends are heat dissipation ends 211, and a heat conduction end 212 is parallel to the left and right supporting parts and connects the upper and lower heat dissipation ends 211. The heat conduction end 212 penetrates the shell structure and is fixedly connected to the outer side of the shell structure at the upper and lower end faces of the shell structure, and the left and right supporting parts and the upper and lower heat dissipation ends 211 form a semi-closed internal space for placing the busbar structure. The connection of the heat dissipation ends 211 and the left and right supporting parts has the continuity of protecting the circuit grounding, and in the event of short circuit or electric leakage and other faults, the grounded heat dissipation busbar can serve as a discharge path for fault current, rapidly leading the fault current to the ground, reducing the influence of the fault current on other equipment, and protecting the safety of the electrical system.

[0033] The heat conducting end 212 is parallel to and centered within the internal space, forming two compartments within the internal space. These compartments house the L1-phase busbar 220, the L2-phase busbar 230, and the L3-phase busbar 240 and N-phase busbar 250, respectively. This dual compartment structure ensures more even heat distribution. The heat dissipating busbar 210, located in the center, effectively conducts heat from both sides through the heat conducting end to the heat dissipating end, where it is then dissipated to the external environment. Traditional single-chamber designs are prone to forming "heat islands" in the center, where the temperature is significantly higher than at the edges. A partitioned design avoids this heat island effect, ensuring a more uniform temperature distribution throughout the busway and reducing the risk of localized overheating. The partitioned design also reduces electromagnetic interference between busbars of different phases. The electromagnetic fields within each compartment are relatively independent, minimizing interphase interaction and improving the system's electromagnetic compatibility. Dividing the internal space into two compartments increases the physical distance between busbars of each phase, reducing the risk of short circuits. This design provides additional safety during high-current transmission, especially during high-current transmission. The heat dissipation busbar, acting as a central partition, not only dissipates heat but also enhances the structural stability of the housing. This design prevents deformation of the housing during high-load operation, improving overall mechanical strength. The partitioned design distributes stress more evenly across the housing, preventing structural damage caused by localized excessive stress. This is particularly important for bus ducts subject to prolonged, high-load operation.

[0034] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A new type of heat dissipation structure intensive bus duct, characterized by: It includes a shell structure and a busbar structure arranged in the shell structure; The busbar structure includes a heat dissipation busbar, the heat dissipation busbar includes heat dissipation ends provided at both ends and a heat conducting end connecting the two heat dissipation ends, the heat dissipation ends are respectively connected to the upper and lower ends of the shell structure on the outside of the shell structure; The housing structure includes a left housing and a right housing, wherein the left housing includes a left connecting portion provided at both ends and a left supporting portion connecting the two left connecting portions; the right housing includes a right connecting portion provided at both ends and a right supporting portion connecting the two right connecting portions; An internal space for accommodating the busbar structure is formed between the left supporting portion, the right supporting portion and the two heat dissipation ends.

2. The novel heat dissipation structure-intensive bus duct according to claim 1 is characterized in that: The busbar structure is arranged in the internal space parallel to the left support portion and the right support portion.

3. The novel heat dissipation structure-intensive bus duct according to claim 2 is characterized in that: The busbar structure further includes an L1-phase busbar, an L2-phase busbar, an L3-phase busbar and an N-phase busbar arranged on both sides of the heat dissipation busbar.

4. The novel heat dissipation structure-intensive bus duct according to claim 3 is characterized in that: The L1 phase busbar, the L2 phase busbar, the heat dissipation busbar, the L3 phase busbar and the N phase busbar are sequentially arranged between the left supporting part and the right supporting part.

5. The novel heat dissipation structure-intensive bus duct according to claim 1 is characterized in that: The heat dissipation busbar is an "I"-shaped structure, and the heat-conducting end is parallel to the center position of the left support part and the right support part connecting the two heat dissipation ends.

6. The novel heat dissipation structure-intensive bus duct according to claim 5 is characterized in that: The left shell and the right shell are symmetrically arranged on both sides of the heat conduction end.

7. The novel heat dissipation structure-intensive bus duct according to claim 6 is characterized in that: The heat dissipation busbar and the left support portion and the right support portion respectively divide the internal space into two symmetrical spaces.

8. The novel heat dissipation structure-intensive bus duct according to claim 1 is characterized in that: The surface of the busbar structure is covered with polyester film.

9. The novel heat dissipation structure-intensive bus duct according to claim 1 is characterized in that: The left supporting portion and the right supporting portion are provided with convex heat dissipation structures on the outside of the internal space.

10. The novel heat dissipation structure-intensive bus duct according to claim 1 is characterized in that: The heat dissipation busbar, the left support portion, and the right support portion are respectively integrally formed structures.

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