I-shaped bus duct with heat dissipation structure
By introducing a combination structure of isolation frame, arc-shaped heat conduction strip, heat conduction plate, heat dissipation fins and turbine fan into the bus trunking, combined with natural air and fan-assisted heat dissipation, the problem of slow heat dissipation speed of bus trunking is solved, and a high-efficiency and energy-saving heat dissipation effect is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-04-10
AI Technical Summary
Existing busbar trunking metal heat dissipation structures have slow heat dissipation speed and unsatisfactory heat dissipation effect, especially with high energy consumption during high current transmission.
It adopts a combination structure of isolation frame, arc-shaped heat conduction strip, heat conduction plate, heat conduction connection plate, heat dissipation fins and heat dissipation turbine fan, combining natural air heat dissipation and fan-assisted heat dissipation, and is equipped with heat exchange mechanism to enhance heat dissipation effect.
It achieves efficient heat dissipation under different loads, reduces energy consumption, improves the heat dissipation efficiency and stability of the busbar trunking, and reduces operating costs.
Smart Images

Figure CN224110842U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of heat dissipation bus duct, concretely to a heat dissipation structure's I -beam bus duct. BACKGROUND
[0002] With the emergence of modernization engineering facilities and equipment, the power consumption of all walks of life increases rapidly, especially the emergence of numerous high-rise buildings and large workshops, as the traditional cable of power transmission conductor cannot meet the requirements of large current transmission system, the parallel use of multi-cable brings many inconveniences to the site installation and construction connection, therefore, the bus duct power transmission system equivalent to the traditional cable appears in the market, the bus duct power transmission system is a kind of power distribution device that can bear large current, compared with the traditional cable, it fully embodies its superiority when large current is transmitted.
[0003] Through retrieval, the existing patent (publication number: CN222016142U) discloses a high-stability medium-high voltage direct-current bus duct, relating to the design field of electric power series, including a bus duct body, the cross section of the bus duct body is an I-shaped structure, L-phase conductors and N-phase conductors are respectively arranged on the left and right sides in the bus duct body, heat dissipation grooves are formed on the left and right sides of the bus duct body, the heat dissipation grooves are located on the inner sides of the L-phase conductors and the N-phase conductors, heat dissipation cover plates are fixedly installed on the left and right sides in the bus duct body, and the heat dissipation cover plates correspondingly cover the outer sides of the L-phase conductors and the N-phase conductors; compared with the prior art, the utility model adopts a dense layout, has the advantages of small size, compact structure, fast heat dissipation, small energy consumption, strong current carrying capacity, high stability, reliable operation, can greatly reduce power consumption and operating costs, can replace medium-high voltage cables, shared box enclosed bus and pipe-type bus, and has high safety.
[0004] The body of the busbar is wrapped by a metal shell. Although metal has good thermal conductivity, its heat dissipation speed is still not as good as air. Specifically, although the thermal conductivity of metal is high, its heat capacity is also large, resulting in relatively slow heat dissipation speed and unsatisfactory heat dissipation effect. Metal heat dissipation usually requires high-speed fans to enhance heat dissipation effect, and although the heat dissipation grooves are provided, the small heat dissipation area of the heat dissipation grooves cannot achieve the heat dissipation effect. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides an I-beam bus duct with a heat dissipation structure, which solves the problems raised in the above background technology.
[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: an I-shaped busbar trunking with a heat dissipation structure, including an isolation frame, a plurality of through-hole placement slots on the left side of the isolation frame, a busbar inside the placement slot, the busbar being smaller than the placement slot, and two heat-conducting plates fixed inside the isolation frame, with a plurality of arc-shaped heat-conducting strips fixed on the opposite sides of the two heat-conducting plates.
[0007] The top and bottom of the busbar are located inside the upper and lower arc-shaped heat-conducting strips, respectively. Heat-conducting connecting plates are provided at the front and rear of the isolation frame. The heat-conducting connecting plates are fixedly connected to the two heat-conducting plates. Multiple heat dissipation fins are fixed on the opposite sides of the two heat-conducting connecting plates. Side plates are provided on the opposite sides of the two heat-conducting connecting plates. Heat dissipation turbine fans are fixed on the opposite sides of the two side plates. Covers are provided at the top and bottom of the isolation frame.
[0008] Preferably, the heat dissipation fins have a wavy structure.
[0009] Preferably, the two caps are fixedly connected to each other on opposite sides and the top and bottom of the two side plates by a plurality of bolts and nuts.
[0010] Preferably, the placement slot is provided with two heat exchange mechanisms, each including a heat exchange tube. Both ends of the heat exchange tube pass through the isolation frame. Two connecting pipes are provided above the isolation frame. Both ends of the heat exchange tube are fixedly connected to the outer walls of the two connecting pipes, and connectors are fixed to the outer walls of the connecting pipes.
[0011] Preferably, the heat exchange tube has a corrugated structure.
[0012] Preferably, the cover described above has openings on both the left and right sides. Beneficial effects
[0013] This utility model provides an I-shaped busbar trunking with a heat dissipation structure. Compared with the prior art, it has the following advantages:
[0014] 1. The I-shaped busbar trunking of this heat dissipation structure, through the setting of isolation frame, arc-shaped heat conduction strip, heat conduction plate, heat conduction connection plate, heat dissipation fins and heat dissipation turbine fan, can dissipate heat naturally through the gap between the busbar and the placement slot when the busbar temperature is not high. When the busbar temperature is high, the heat dissipation turbine fan is activated, so that air enters from the left and right sides to carry away the heat on the heat dissipation fins and conduct heat dissipation on the busbar, which can reduce energy consumption.
[0015] 2. The I-shaped busbar trunking of this heat dissipation structure, by setting up a heat exchange mechanism, connects the external pipes of the connectors, and the temperature of the busbar continues to rise, so that the coolant is delivered into the interior of the heat exchange tube. In this way, multiple busbars can be further cooled, and the busbars can be cooled in multiple layers. Attached Figure Description
[0016] Fig. 1 This is a schematic diagram of the structure of this utility model.
[0017] Fig. 2 This is a schematic diagram of the structure of the arc-shaped heat-conducting strip, heat-conducting plate, and heat-conducting connecting plate in this utility model.
[0018] Fig. 3 This is a schematic diagram of the heat exchange mechanism in this utility model.
[0019] In the diagram: 1. Opening; 2. Heat exchange mechanism; 201. Connector; 202. Connecting pipe; 203. Heat exchange tube; 3. Busbar; 4. Isolation frame; 5. Placement slot; 6. Side plate; 7. Bolts and nuts; 8. Cooling turbine fan; 9. Cover; 10. Thermally conductive connecting plate; 11. Heat dissipation fins; 12. Arc-shaped heat-conducting strip; 13. Heat-conducting plate. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figs. 1-3 This utility model provides a technical solution: an I-shaped busbar trough with a heat dissipation structure, including an isolation frame 4, a plurality of horizontally penetrating placement slots 5 are provided on the left side of the isolation frame 4, a busbar 3 is provided inside the placement slot 5, the busbar 3 is smaller than the placement slot 5, and two heat-conducting plates 13 are fixed inside the isolation frame 4, and a plurality of arc-shaped heat-conducting strips 12 are fixed on the opposite sides of the two heat-conducting plates 13.
[0022] The top and bottom of the busbar 3 are located inside the upper and lower arc-shaped heat-conducting strips 12, respectively. Heat-conducting connecting plates 10 are provided at the front and rear of the isolation frame 4. The heat-conducting connecting plates 10 and two heat-conducting plates 13 are fixedly connected. Multiple heat dissipation fins 11 are fixed on the opposite sides of the two heat-conducting connecting plates 10. Side plates 6 are provided on the opposite sides of the two side plates 6. Heat dissipation turbine fans 8 are fixed on the opposite sides of the two side plates 6. Covers 9 are provided at the top and bottom of the isolation frame 4. This allows for two types of heat dissipation for the busbar 3. When the temperature is not high, natural heat dissipation can be achieved through the gap between the busbar 3 and the placement slot 5. When the temperature is high, the heat dissipation turbine fan 8 is activated, allowing air to enter from the left and right sides to carry away the heat on the heat dissipation fins 11 and conduct heat dissipation to the busbar 3. When the temperature is not high, the heat dissipation turbine fan 8 does not need to be used, reducing energy consumption.
[0023] Preferably, the heat dissipation fins 11 are in a wave shape structure, so as to increase the heat dissipation area.
[0024] Preferably, the opposite sides of the two covers 9 and the top and bottom of the two side plates 6 are fixedly connected through a plurality of bolt-nut 7.
[0025] Preferably, the inside of the placing groove 5 is provided with two heat exchange mechanisms 2, the heat exchange mechanism 2 comprises a heat exchange pipe 203, both ends of the heat exchange pipe 203 penetrate through the isolation frame 4, the upper portion of the isolation frame 4 is provided with two connecting pipes 202, both ends of the heat exchange pipe 203 are fixedly connected with the outer side wall of the two connecting pipes 202 respectively, and the outer side wall of the connecting pipe 202 is fixedly connected with a connector 201, so as to further reduce the temperature.
[0026] Preferably, the heat exchange pipe 203 is in a wave shape structure, so as to increase the heat exchange area.
[0027] Preferably, the left and right sides of the upper cover 9 are both provided with an opening 1, so as not to block the heat exchange mechanism 2.
[0028] When working, when the temperature of the busbar 3 is not high, and the air gap between the busbar 3 and the placing groove 5 can be used for natural heat dissipation, after the temperature of the busbar 3 is high, the heat dissipation turbine fan 8 is started, so that the air enters from the left and right sides to take away the temperature on the heat dissipation fins 11, and the busbar 3 is conducted to dissipate heat, so as to reduce the energy consumption, the connector 201 is connected with a pipeline, the temperature of the busbar 3 continues to rise, and the cooling liquid is transported into the inside of the heat exchange pipe 203, so as to further reduce the temperature of the plurality of busbars 3, and the busbar 3 is subjected to multi-layer heat dissipation and cooling.
[0029] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.
[0030] It should be noted that, in the present text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitation. The statement "including a limited element" does not exclude the existence of another same element in the process, method, article or equipment including the element.
[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A H-shaped bus duct of a heat dissipation structure, comprising an isolation frame (4), characterized in that: The left side of the isolation frame (4) is provided with a plurality of left-right through placing grooves (5), the inside of the placing groove (5) is provided with a busbar (3), the busbar (3) is smaller than the placing groove (5), the inside of the isolation frame (4) is fixedly provided with two heat-conducting plates (13), the opposite sides of the two heat-conducting plates (13) are fixedly provided with a plurality of arc-shaped heat-conducting strips (12); The top and bottom of the busbar (3) are located inside the upper and lower arc-shaped heat-conducting strips (12) respectively, the front and rear of the isolation frame (4) are provided with heat-conducting connecting plates (10), the heat-conducting connecting plates (10) and the two heat-conducting plates (13) are fixedly connected, the opposite sides of the two heat-conducting connecting plates (10) are fixedly provided with a plurality of heat-dissipating fins (11), the opposite sides of the two heat-conducting connecting plates (10) are provided with side plates (6), the opposite sides of the two side plates (6) are fixedly provided with heat-dissipating turbine fans (8), the upper and lower sides of the isolation frame (4) are provided with cover plates (9).
2. The H-beam bus duct of claim 1, wherein: The heat-dissipating fins (11) are in a wave shape structure.
3. The H-beam bus duct of claim 2, wherein: The opposite sides of the two cover plates (9) and the top and bottom of the two side plates (6) are fixedly connected through a plurality of bolt nuts (7).
4. The H-beam bus duct of claim 3, wherein: The inside of the placing groove (5) is provided with two heat exchange mechanisms (2), the heat exchange mechanism (2) comprises a heat exchange pipe (203), the two ends of the heat exchange pipe (203) pass through the isolation frame (4), the upper side of the isolation frame (4) is provided with two connecting pipes (202), the two ends of the heat exchange pipe (203) are fixedly connected with the outer side walls of the two connecting pipes (202) respectively, and the outer side wall of the connecting pipe (202) is fixedly provided with a connecting head (201).
5. The H-beam bus duct of claim 4, wherein: The heat exchange pipe (203) is in a wave shape structure.
6. The H-beam bus duct of claim 5, wherein: The left and right sides of the upper cover plate (9) are provided with openings (1).
Citation Information
Patent Citations
High-stability medium-high voltage direct current bus duct
CN222016142U