Air-reinforced double-insulation bus duct
By designing hollow and air trough structures in the busbar trunking, combined with a breathable mesh and a heat-conducting plate, the problem of insulation tape aging caused by heat accumulation in the busbar trunking is solved, achieving better heat dissipation and insulation effects, and simplifying the installation and disassembly of the breathable mesh.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-03-27
AI Technical Summary
Existing busbar trunking suffers from insulation tape aging due to heat buildup during high-power operation, affecting its service life and resulting in poor heat dissipation.
An air-reinforced double-insulated busbar trunking was designed. It forms good ventilation and heat dissipation through hollow slots and air slots. Combined with a breathable mesh and heat-conducting plate, it improves air circulation and insulation effect. The breathable mesh can be quickly installed and removed through structures such as slots and guide slots.
It effectively improves the heat dissipation efficiency and insulation performance of busbar trunking, extends its service life, and simplifies the maintenance process of the ventilated mesh.
Smart Images

Figure CN224053834U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bus duct technical field especially, it relates to an air reinforced double insulation type bus duct. BACKGROUND
[0002] Bus duct is a kind of closed metal device formed by copper, aluminum bus column, to distribute larger power for each element of dispersion system.In indoor low-voltage power transmission trunk line engineering project has more and more replaced wire cable.
[0003] Since the existing bus duct is generally used for larger power circuit, and the structure is relatively closed, more heat is generated in the use process due to larger power, which affects the aging of insulation belt, and further affects the service life of bus duct, based on this, we propose an air reinforced double insulation type bus duct to improve. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides an air reinforced double insulation type bus duct.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: an air reinforced double insulation type bus duct, including slotting plate and hollow plate, the slotting plate and hollow plate are all provided with two pieces, two hollow plates are respectively fixedly installed at upper and lower positions between two slotting plates by bolts, inner side plates are fixedly connected at positions close to both sides between two hollow plates, air slots are arranged between slotting plate and inner side plate, hollow slots are arranged in hollow plate, heat conduction plates are arranged at positions close to upper and lower positions between two inner side plates, bus conductors are arranged between two heat conduction plates, copper bars are arranged between two bus conductors, installation grooves are arranged on the surfaces of two slotting plates and two hollow plates, and air permeable nets are sleeved in installation grooves.
[0006] Through the above technical scheme, the bus duct can form good ventilation and heat dissipation effect through hollow slot and air slot, and air can play a better insulation effect.
[0007] As a further description of the above technical scheme:
[0008] The heat conduction plates are arranged between hollow plate and bus conductor, and the installation grooves and air slots are communicated.
[0009] Through the above technical scheme, the heat conduction plate mainly plays the role of auxiliary heat dissipation, and the air permeable net in the installation groove can further improve the air flowability in the air slot.
[0010] As a further description of the above technical scheme:
[0011] The busbar conductor is provided with a plurality of U-shaped grooves which are uniformly distributed, and the copper bar is arranged in the U-shaped grooves.
[0012] Through the above technical scheme, the busbar conductor is installed through the U-shaped grooves and is fixed at equal intervals.
[0013] Further description of the above technical scheme:
[0014] The guiding grooves are provided with guiding pins which are slidably connected to the guiding grooves and are close to the two ends, one end of the guiding pins is fixedly connected with springs, the other end of the springs is fixedly connected to the inner wall of the guiding grooves, the other end of the guiding pins is fixedly connected with clamping blocks, and the both sides of the air permeable net are provided with clamping grooves.
[0015] Through the above technical scheme, when the air permeable net is installed, the air permeable net is pressed towards the installation grooves, and the clamping blocks are guided by the inclined surfaces of the clamping blocks and are moved towards the guiding pins, so that the clamping blocks can be sleeved into the clamping grooves to fix the air permeable net after the air permeable net is installed.
[0016] Further description of the above technical scheme:
[0017] The two guiding pins in the same guiding groove are fixedly connected with a connecting plate, the middle part of the connecting plate is fixedly connected with a pushing plate, the two slot plates and the two hollow plates are provided with sliding grooves, the pushing plate is slidably arranged on the sliding grooves, and the pushing plate penetrates through the sliding grooves.
[0018] Through the above technical scheme, the connecting plate is moved by the pushing plate, the guiding pins are moved and the springs are compressed, so that the clamping blocks are separated from the clamping grooves, the air permeable net is removed and maintained, and the operation is convenient and time-saving.
[0019] Further description of the above technical scheme:
[0020] The plurality of guiding grooves are arranged at the front and rear positions of the two slot plates and the two hollow plates, and one end of the guiding pins is slidably attached to the inner wall of the guiding grooves.
[0021] Through the above technical scheme, the guiding pins are prevented from shaking in the guiding grooves, so that the clamping blocks cannot be clamped into the clamping grooves.
[0022] The utility model has the advantages of:
[0023] 1. Compared with the prior art, the air-reinforced double-insulated bus duct forms a slot structure convenient for air circulation through the setting of the slotted plate, hollow plate and inner plate structure, uses air to play a better insulation role, and realizes better ventilation effect by setting the air-permeable net structure on the outer wall of the slotted plate, thereby improving the heat dissipation efficiency of the bus duct.
[0024] 2. Compared with the prior art, the air-reinforced double-insulated bus duct, through the cooperation of the clamping groove, guide groove, guide pin, spring, clamping block, connecting plate and push plate structure, can realize quick disassembly and assembly of the air-permeable net by clamping block sleeving the clamping groove, thereby facilitating maintenance of the air-permeable net in the later period. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a front view of the air-reinforced double-insulated bus duct provided by the utility model.
[0026] Figure 2 It is a front view of the air-reinforced double-insulated bus duct provided by the utility model. Figure 1
[0027] Figure 3 It is a disassembly structure diagram of the air-permeable net of the air-reinforced double-insulated bus duct provided by the utility model.
[0028] Figure 4 It is a side view of the air-reinforced double-insulated bus duct provided by the utility model.
[0029] LEGEND:
[0030] 1. slotted plate; 2. hollow plate; 3. inner plate; 4. bus conductor; 5. copper bar; 6. hollow slot; 7. air slot; 8. mounting slot; 9. air-permeable net; 10. clamping groove; 11. guide groove; 12. guide pin; 13. spring; 14. clamping block; 15. connecting plate; 16. push plate; 17. heat-conducting plate. DETAILED DESCRIPTION
[0031] Refer to Figures 1-4 This utility model provides an air-reinforced double-insulated busbar trunking, comprising a slotted plate 1 and a hollow plate 2. Two slotted plates 1 and two hollow plates 2 are provided. The two hollow plates 2 are respectively fixedly installed at the upper and lower positions between the two slotted plates 1 by bolts. Inner side plates 3 are fixedly connected to the two hollow plates 2 near their sides. An air groove 7 is provided between the slotted plate 1 and the inner side plates 3. A hollow groove 6 is provided inside the hollow plate 2, forming air insulation through the hollow groove 6 and the air groove 7. A heat-conducting plate 17 is provided near the upper and lower positions between the two inner side plates 3 to facilitate faster heat conduction. A busbar conductor 4 is provided between the two heat-conducting plates 17, and a copper busbar 5 is provided between the two busbar conductors 4. Mounting grooves 8 are provided on the surfaces of both the slotted plates 1 and the two hollow plates 2. A breathable mesh 9 is fitted inside the mounting groove 8, which further improves the ventilation and heat dissipation performance of the busbar trunking.
[0032] Through the above technical solution, the busbar trunking can form a good ventilation and heat dissipation effect through the hollow trunking 6 and the air trunking 7, and can also use air to play a better insulation role.
[0033] The heat-conducting plate 17 is disposed between the hollow plate 2 and the bus conductor 4, and is connected to the mounting groove 8 and the air groove 7. The heat-conducting plate 17 mainly plays the role of auxiliary heat dissipation, and the ventilated mesh 9 in the mounting groove 8 can further improve the air circulation in the air groove 7.
[0034] Multiple U-shaped grooves are evenly distributed on the bus conductor 4. The copper busbar 5 is matched with the U-shaped grooves. The bus conductor 4 is installed through the U-shaped grooves and fixed at equal intervals.
[0035] Guide grooves 11 are provided in both slotted plates 1 and both hollow plates 2. Guide pins 12 are slidably connected to both ends of the guide grooves 11. A spring 13 is fixedly connected to one end of the guide pin 12, and the other end of the spring 13 is fixedly connected to the inner wall of the guide groove 11. A locking block 14 is fixedly connected to the other end of the guide pin 12. The ventilation net 9 has a locking groove 10 on both sides. The locking block 14 is slidably fitted into the locking groove 10. When installing the ventilation net 9, simply press the ventilation net 9 toward the installation groove 8. Due to the inclined surface of the locking block 14, the locking block 14 will move toward the guide pin 12, thus facilitating the installation of the ventilation net 9. After installation, the locking block 14 can be fitted into the locking groove 10 to fix the ventilation net 9.
[0036] The two guide pins 12 are fixedly connected between the two guide grooves 11, and the connecting plate 15 is fixedly connected to the middle part of the two guide pins 12.
[0037] The plurality of guide grooves 11 are arranged at the front and rear positions of the two slotted plates 1 and the two hollow plates 2, and the outer wall of one end of the guide pin 12 is slidably connected to the inner wall of the guide groove 11, so as to avoid the shaking of the guide pin 12 in the guide groove 11, thereby preventing the situation that the clamping block 14 cannot be clamped into the clamping groove 10.
[0038] Working principle: when the bus duct is used, the hollow structure of the hollow groove 6 and the air groove 7 forms a structure convenient for air circulation, which not only forms a better insulation effect through air, but also facilitates heat dissipation of the bus duct, and the air permeable net 9 arranged on the slotted plate 1 and the hollow plate 2 can further improve the air permeability and enhance the heat dissipation efficiency. When the air permeable net 9 is installed, due to the inclined surface of the clamping block 14, the clamping block 14 will be automatically compressed to move towards one end of the guide pin 12, so that the guide pin 12 drives the clamping block 14 to slide and compress the spring 13. At this time, the air permeable net 9 can be installed in the installation groove 8, and then under the restoring force of the spring 13, the clamping block 14 is driven into the clamping groove 10 to complete the installation and fixation of the air permeable net 9. When the air permeable net 9 needs to be disassembled and maintained later, the connecting plate 15 is moved by the push plate 16, and then the guide pin 12 is moved to compress the spring 13, so that the clamping block 14 is separated from the clamping groove 10, and the air permeable net 9 can be conveniently removed, which is convenient and time-saving.
[0039] Finally, it should be pointed out that: the above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. An air-reinforced double-insulated bus duct comprising a slotted plate (1) and a hollow plate (2), both of which are provided with two pieces, characterized in that: Two hollow plates (2) are respectively fixed and installed at upper and lower positions between two slotted plates (1), and two inner side plates (3) are fixedly connected between two hollow plates (2) close to both sides, air grooves (7) are arranged between the slotted plates (1) and the inner side plates (3), hollow grooves (6) are arranged in the hollow plates (2), heat conduction plates (17) are arranged between two inner side plates (3) close to upper and lower positions, bus conductors (4) are arranged between two heat conduction plates (17), copper bars (5) are arranged between two bus conductors (4), mounting grooves (8) are arranged on surfaces of two slotted plates (1) and two hollow plates (2), and air permeable nets (9) are sleeved in the mounting grooves (8).
2. The air enhanced double insulated busway of claim 1, wherein: The heat conduction plates (17) are arranged between the hollow plates (2) and the bus conductors (4), and the mounting grooves (8) and the air grooves (7) are arranged in communication.
3. The air enhanced double insulated busway of claim 1, wherein: U-shaped grooves are arranged on the bus conductors (4) and matched with the copper bars (5).
4. The air-boosted double-insulated busway of claim 1, wherein: Guide grooves (11) are arranged in two slotted plates (1) and two hollow plates (2), guide pins (12) are slidably connected in the guide grooves (11) close to both ends, springs (13) are fixedly connected to one ends of the guide pins (12), the other ends of the springs (13) are fixedly connected to inner walls of the guide grooves (11), clamping blocks (14) are fixedly connected to the other ends of the guide pins (12), clamping grooves (10) are arranged on both sides of the air permeable nets (9), and the clamping blocks (14) are slidably sleeved in the clamping grooves (10).
5. The air-boosted double-insulated busway of claim 4, wherein: Connecting plates (15) are fixedly connected between two guide pins (12) in the same guide groove (11), and the connecting plates (15) are fixedly connected with the dials (16) at middle portions, sliding grooves are arranged on the slotted plates (1) and the hollow plates (2), the dials (16) are slidably arranged in the sliding grooves, and the dials (16) penetrate the sliding grooves.
6. The air-boosted double-insulated busway of claim 4, wherein: Multiple guide grooves (11) are arranged at front and rear positions of two slotted plates (1) and two hollow plates (2), and one end of the guide pin (12) is slidably attached to the inner wall of the guide groove (11).