Heat dissipation type copper bar
By installing heat conduction pads and heat dissipation fins on the copper bar and adding auxiliary heat dissipation structures on both sides of the copper bar, the problem of poor heat dissipation of copper bar is solved, and efficient heat dissipation is achieved to ensure stable operation of the electrical equipment.
Patent Information
- Application Number
- CN202421977791.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-08-15
AI Technical Summary
The existing copper discharge has limited heat dissipation area and poor heat dissipation. When the high current is turned on for a long time, it is easy to cause excessive heat generation and affect the operation of the electrical equipment.
A heat-dissipation copper strip including a copper strip body, an insulating sleeve, a first thermal pad, a first heat-dissipation plate, a heat-dissipation fin, a fixed structure and an auxiliary heat-dissipation structure are designed. The heat is exported through the first thermal pad and a heat-dissipation fin, and an auxiliary heat-dissipation structure is provided on both sides of the copper strip to enhance the heat-dissipation effect.
Effectively export the internal heat of the copper strip, transfer heat to the environment through the heat dissipation fins and auxiliary heat dissipation structure, enhancing the heat dissipation effect of the copper strip and avoiding the loose joints and increased resistance caused by heating.
Smart Images

Figure CN223193546U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of copper busbars, and in particular relates to a heat dissipation type copper busbar. Background Art
[0002] A copper busbar is a long, rectangular conductor with rounded corners made of copper. It is often used to carry current and connect electrical equipment in circuits. It is a high-current conductive product suitable for electrical projects such as high and low voltage electrical appliances, switch contacts, distribution equipment, and bus ducts. It is also widely used in ultra-high current electrolytic smelting projects such as metal smelting, electrochemical plating, and chemical caustic soda. However, existing strip copper busbars have limited heat dissipation area and poor heat dissipation. When conducting high current for a long time, they generate a large amount of heat. Excessive heat generation can easily lead to loosening of the copper busbar joints, increasing resistance and thus affecting the operation of electrical equipment. In addition, due to the large current passing through the copper busbar, external heat dissipation is difficult. Therefore, the utility model provides a heat-dissipating copper busbar to solve the above problems. Summary of the Invention
[0003] To overcome the problems mentioned in the background art, the present invention provides a heat-dissipating copper busbar. This utility model facilitates the removal of heat from the copper busbar, transferring the heat to the environment via a first heat sink and heat fins, thereby facilitating heat dissipation from the busbar. Furthermore, auxiliary heat dissipation structures are provided on both sides of the busbar to further dissipate heat from the busbar and enhance its heat dissipation effect.
[0004] To achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a heat-dissipating copper busbar includes a copper busbar body 1, an insulating sleeve 2, a first thermal pad 3, a first heat sink 4, heat sink fins 5, a fixed structure 6 and an auxiliary heat dissipation structure 7, the copper busbar body 1 is installed with an insulating sleeve 2 on the outside, the copper busbar body 1 is provided with a plurality of first heat dissipation holes 8, the plurality of first heat dissipation holes 8 are movably installed with a first thermal pad 3 passing through the insulating sleeve 2, the first heat sink 4 is installed on the top of the first thermal pad 3, the heat sink 4 is multiple, the heat sink fins 5 are multiple, and the plurality of heat sink fins 5 are installed on the top of the first heat sink 4, the copper busbar body 1 and the first heat sink 4 are connected by a fixed structure 6, and the auxiliary heat dissipation structure 7 is movably installed on both sides of the copper busbar body 1.
[0005] Furthermore, the auxiliary heat dissipation structure 7 includes a second heat dissipation hole 10, a second thermal pad 11, a second heat dissipation plate 12 and a fastening structure 13. The left and right sides of the copper busbar body 1 are provided with multiple second heat dissipation holes 10, and the second thermal pad 11 is movably installed in the multiple second heat dissipation holes 10. The second heat dissipation plates 12 are respectively installed on the second thermal pads 11 on the left and right sides of the copper busbar body 1. The second heat dissipation plates 12 are movably installed on the left and right sides of the copper busbar body 1 through the fastening structure 13.
[0006] Furthermore, the fastening structure 13 includes a slide rod 17, a baffle 18, a first spring 19, a connecting plate 20 and a support rod 21. The left and right sides of the first heat dissipation plate 4 are respectively provided with two grooves 22. The top of the front end of the groove 22 is provided with a baffle 18. The slide rod 17 is installed between the baffle 18 and the rear end of the groove 22. The connecting plate 20 is slidably mounted on the slide rod 17. A plurality of first springs 19 are installed between one side of the connecting plate 20 and the rear end of the groove 22. The other side of the connecting plate 20 is fixedly connected to the second heat dissipation plate 12 by a plurality of support rods 21, and the support rods 21 pass under the baffle 18.
[0007] Furthermore, the fixing structure 6 includes a fixing rod 23, a second spring 24 and a pin 25. The copper busbar body 1 and the insulating sleeve 2 are respectively provided with through holes 26 at both ends. One end of the fixing rod 23 is installed at the bottom of the first heat dissipation plate 4, and the other end of the fixing rod 23 passes through the through hole 26 to the outside of the insulating sleeve 2 at the bottom of the copper busbar body 1. Fixing holes 14 are provided on both sides of the fixing rod 23. One end of the second spring 24 is installed in the fixing hole 14, and the other end of the second spring 24 is fixedly connected to the pin 25. The bottom of the copper busbar body 1 and the insulating sleeve 2 at the bottom of the copper busbar body 1 are provided with a bayonet 9 for limiting the pin 25.
[0008] Furthermore, slide grooves 15 are provided on both sides of the groove 22 , and sliders 16 corresponding to the slide grooves 15 are provided on both sides of the connecting plate 20 .
[0009] Beneficial effects of the utility model:
[0010] The utility model is provided with a first thermal pad which can conduct most of the heat inside the copper bar, and transfer the heat to the environment through the first heat sink and the heat fins, which is convenient for the copper bar to dissipate heat. At the same time, auxiliary heat dissipation structures are provided on both sides of the copper bar, which can further dissipate the heat of the copper bar, enhance the heat dissipation effect of the copper bar, and also facilitate the stable installation of the heat dissipation structure on the copper bar body. At the same time, the copper bar body and the first heat sink are detachably connected by a fixed structure, which is convenient for disassembling and assembling the heat dissipation structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic structural diagram of the utility model.
[0012] Figure 2 It is a schematic cross-sectional view of the internal structure of the utility model.
[0013] Figure 3 It is a cross-sectional schematic diagram of the fixed structure of the utility model.
[0014] Figure 4 It is a cross-sectional schematic diagram of the auxiliary heat dissipation structure of the utility model.
[0015] Figure numerals: copper busbar body 1, insulating sleeve 2, first thermal pad 3, first heat dissipation plate 4, heat dissipation fins 5, fixing structure 6, auxiliary heat dissipation structure 7, first heat dissipation hole 8, bayonet 9, second heat dissipation hole 10, second thermal pad 11, second heat dissipation plate 12, fastening structure 13, fixing hole 14, slide groove 15, slider 16, slide rod 17, baffle 18, first spring 19, connecting plate 20, support rod 21, groove 22, fixing rod 23, second spring 24, pin rod 25, through hole 26. DETAILED DESCRIPTION
[0016] In order to make the purpose, technical solutions and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding by technicians.
[0017] like Figure 1-4 The utility model discloses a heat dissipation type copper busbar, which includes a copper busbar body 1, an insulating sleeve 2, a first thermal pad 3, a first heat dissipation plate 4, a heat dissipation fin 5, a fixing structure 6 and an auxiliary heat dissipation structure 7. The insulating sleeve 2 is installed outside the copper busbar body 1, and the copper busbar body 1 is provided with a plurality of first heat dissipation holes 8. The first heat dissipation pad 3 passing through the insulating sleeve 2 is movably installed in the plurality of first heat dissipation holes 8. The first heat dissipation plate 4 is installed on the top of the first thermal pad 3. There are a plurality of heat dissipation fins 5, and the plurality of heat dissipation fins 5 are installed on the top of the first heat dissipation plate 4. The copper busbar body 1 and the first heat dissipation plate 4 are connected by a fixing structure 6. The auxiliary heat dissipation structure 7 is movably installed on both sides of the copper busbar body 1, and connectors are provided at both ends of the copper busbar body. After the copper busbar body is connected to the first heat dissipation plate through a fixed structure, the first thermal pad can be stably installed in the first heat dissipation hole and connected in contact with the heat dissipation hole, which is convenient for discharging the heat inside the copper busbar and transferring the heat to the environment through the first heat dissipation plate and the heat dissipation fins, which is convenient for the heat dissipation of the copper busbar. At the same time, auxiliary heat dissipation structures are provided on both sides of the copper busbar, which can further dissipate the heat of the copper busbar and enhance the heat dissipation effect of the copper busbar. It is also convenient for the heat dissipation structure to be stably installed on the copper busbar body, and the copper busbar body and the first heat dissipation plate are detachably connected through a fixed structure, which is convenient for disassembly and assembly of the heat dissipation structure.
[0018] The auxiliary heat dissipation structure 7 includes a second heat dissipation hole 10, a second thermal pad 11, a second heat dissipation plate 12 and a fastening structure 13. The left and right sides of the copper bus body 1 are provided with a plurality of second heat dissipation holes 10, and the second thermal pads 11 are movably installed in the plurality of second heat dissipation holes 10. The second heat dissipation plates 12 are respectively installed on the second thermal pads 11 on the left and right sides of the copper bus body 1. The second heat dissipation plates 12 are movably installed on the left and right sides of the copper bus body 1 through the fastening structure 13; the fastening structure 13 includes a slide bar 17, a baffle 18, a first spring 19, a connecting plate 20 and a support rod 21. Two grooves 22 are respectively provided on the left and right sides of the first heat dissipation plate 4, and a baffle 18 is provided on the top of the front end of the groove 22. The slide bar 17 is installed between the baffle 18 and the rear end of the groove 22. The connecting plate 20 is slidably sleeved on the slide bar 17. One side of the connecting plate 20 is connected to the groove A plurality of first springs 19 are installed between the rear ends of the slots 22, and the other side of the connecting plate 20 is fixedly connected to the second heat sink 12 by a plurality of support rods 21, and the support rods 21 pass under the baffle 18; when the second heat sink is installed on both sides of the copper bus body through the fastening structure, the second thermal pad is in contact with the second heat dissipation hole, further conducting the heat in the copper bus body out, and transferring the heat to the environment through the second heat sink to further dissipate the heat. The first spring can provide tension to the connecting plate and stably install the second heat sink on both sides of the copper bus body through the support rod. When disassembling, the first spring is pulled by the connecting plate to separate the second thermal pad from the second heat dissipation hole for disassembly; the heat dissipation effect can be enhanced, and it is also convenient to disassemble and fix the heat dissipation structure on the copper bus body, thereby enhancing the overall stability; the baffle, connecting plate and support rod are made of insulating material; the first heat sink, heat dissipation fins and the second heat sink are made of aluminum alloy.
[0019] The fixing structure 6 includes a fixing rod 23, a second spring 24 and a pin 25. The copper busbar body 1 and the insulating sleeve 2 are respectively provided with through holes 26 at both ends. One end of the fixing rod 23 is installed at the bottom of the first heat dissipation plate 4, and the other end of the fixing rod 23 passes through the through hole 26 to the outside of the insulating sleeve 2 at the bottom of the copper busbar body 1. Fixing holes 14 are provided on both sides of the fixing rod 23. One end of the second spring 24 is installed in the fixing hole 14, and the other end of the second spring 24 is fixedly connected to the pin 25. A bayonet 9 for limiting the pin 25 is provided on the bottom of the copper busbar body 1 and the insulating sleeve 2 at the bottom of the copper busbar body 1; when installing the first heat dissipation plate, the fixing rod is passed through the through hole. When the other end of the fixing rod passes through the through hole to the outside of the insulating sleeve at the bottom of the copper busbar body, the pin moves outward under the elastic force of the second spring and can be snapped onto the bayonet to fix the first heat sink. The fixing rod and the pin are both made of insulating material.
[0020] Slide grooves 15 are provided on both sides of the groove 22, and sliders 16 corresponding to the slide grooves 15 are provided on both sides of the connecting plate 20, which facilitate the limiting and sliding of the connecting rod and increase stability.
[0021] Working process:
[0022] The working principle of the present invention is as follows: when installing the first heat sink 4, the fixing rod 23 is passed through the through hole 26. When the other end of the fixing rod 23 passes through the through hole 26 to the outside of the insulating sleeve 2 at the bottom of the copper busbar body 1, the pin 25 moves outward under the elastic force of the second spring 24 and can be clamped on the bayonet 9 to fix the first heat sink 4. After the copper busbar body 1 and the first heat sink 4 are connected by the fixing structure 6, the first thermal pad 3 can be stably installed in the first heat dissipation hole 8 and is in contact with the first heat dissipation hole 8, so as to facilitate the heat conduction from the inside of the copper busbar to the outside of the insulating sleeve 2. The heat is discharged and transferred to the environment through the first heat sink 4 and the heat dissipation fins 5. At the same time, when the second heat sink 12 is installed on both sides of the copper busbar body 1 through the fastening structure 13, the second thermal pad 11 is in contact with the second heat dissipation hole 10, further dissipating the heat in the copper busbar body 1 and transferring the heat to the environment through the second heat sink 12 to further dissipate heat. The first spring 19 can provide tension to the connecting plate 20, and the second heat sink 12 can be stably installed on both sides of the copper busbar body 1 through the support rod 21 to increase the overall stability.
[0023] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.
Claims
1. A heat dissipation copper busbar, characterized by: The heat dissipation type copper busbar comprises a copper busbar body (1), an insulating sleeve (2), a first thermal pad (3), a first heat dissipation plate (4), heat dissipation fins (5), a fixed structure (6) and an auxiliary heat dissipation structure (7). The copper busbar body (1) is externally mounted with an insulating sleeve (2). The copper busbar body (1) is provided with a plurality of first heat dissipation holes (8). The first thermal pads (3) passing through the insulating sleeve (2) are movably mounted in the plurality of first heat dissipation holes (8). The first heat dissipation plate (4) is mounted on the top of the first thermal pad (3). There are a plurality of heat dissipation fins (5), and the plurality of heat dissipation fins (5) are mounted on the top of the first heat dissipation plate (4). The copper busbar body (1) and the first heat dissipation plate (4) are connected via a fixed structure (6). The auxiliary heat dissipation structure (7) is movably mounted on both sides of the copper busbar body (1).
2. The heat dissipation copper busbar according to claim 1, characterized in that: The auxiliary heat dissipation structure (7) comprises a second heat dissipation hole (10), a second thermal pad (11), a second heat dissipation plate (12) and a fastening structure (13). The left and right sides of the copper busbar body (1) are provided with a plurality of second heat dissipation holes (10). Second thermal pads (11) are movably installed in the plurality of second heat dissipation holes (10). Second heat dissipation plates (12) are respectively installed on the second thermal pads (11) on the left and right sides of the copper busbar body (1). The second heat dissipation plates (12) are movably installed on the left and right sides of the copper busbar body (1) through the fastening structure (13).
3. The heat dissipation copper busbar according to claim 2, characterized in that: The fastening structure (13) includes a slide bar (17), a baffle (18), a first spring (19), a connecting plate (20) and a support rod (21). The first heat sink (4) is provided with two grooves (22) on the left and right sides respectively. The top of the front end of the groove (22) is provided with a baffle (18). The slide bar (17) is installed between the baffle (18) and the rear end of the groove (22). The connecting plate (20) is slidably mounted on the slide bar (17). A plurality of first springs (19) are installed between one side of the connecting plate (20) and the rear end of the groove (22). The other side of the connecting plate (20) is fixedly connected to the second heat sink (12) through a plurality of support rods (21), and the support rods (21) pass under the baffle (18).
4. The heat dissipating copper busbar according to claim 3, characterized in that: The fixing structure (6) includes a fixing rod (23), a second spring (24) and a pin rod (25). The copper busbar body (1) and the insulating sleeve (2) are respectively provided with through holes (26) at both ends. One end of the fixing rod (23) is installed at the bottom of the first heat dissipation plate (4), and the other end of the fixing rod (23) passes through the through hole (26) to the outside of the insulating sleeve (2) at the bottom of the copper busbar body (1). Both sides of the fixing rod (23) are provided with fixing holes (14). One end of the second spring (24) is installed in the fixing hole (14), and the other end of the second spring (24) is fixedly connected to the pin rod (25). The bottom of the copper busbar body (1) and the insulating sleeve (2) at the bottom of the copper busbar body (1) are provided with a bayonet (9) for limiting the pin rod (25).
5. The heat dissipation copper busbar according to claim 3, characterized in that: Slide grooves (15) are provided on both sides of the groove (22), and sliding blocks (16) corresponding to the slide grooves (15) are provided on both sides of the connecting plate (20).