Explosion-proof flexible bus

Through the design of explosion-proof flexible busbar, the traditional busbar is solved and the explosion hazard caused by the alternating heat and cold are solved, and high-safety and efficient power transmission is achieved, and it is suitable for power supply and distribution in many fields.

CN223155708UActive Publication Date: 2025-07-25YANG HUA KE CHUANG (SHEN ZHEN) XIN NENG YUAN ZHUANG BEI YOU XIAN GONG SI
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Patent Information

Application Number
CN202422181923.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-07-25
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

Traditional busbars are inconvenient to lay, and the alternate hot and cold suction effect caused by the core wire gap causes dangerous gas transmission, forming an explosion-hazardous environment, and the insulating layer is prone to fire, which poses a risk of explosion.

Method used

The explosion-proof flexible busbar design is adopted, including stress-relieving copper strips, tape wrapping layer, insulation layer, metal armor layer and sheath layer. The flexible copper conductors are filled with asbestos filler, and the clamping block is removable. High-strength materials and galvanized layers are used to improve oxidation resistance and form a dense structure.

Benefits of technology

Effectively prevent the propagation of dangerous gases, improve safety and reliability, adapt to various environments, is easy to install, reduces energy consumption, and reduces fire risks, and is suitable for large current supply and distribution in many fields.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an explosion-proof flexible bus which comprises a bus body and a bus clamp, the bus body comprises a destressing copper bar, a belting layer, an insulating layer, a metal armor layer, a sheath inner layer and a sheath outer layer, the destressing copper bar comprises a plurality of flexible copper conductors, and two adjacent flexible copper conductors are connected through a flexible copper sheet. The taping layer wraps the peripheral wall of the destressing copper bar, gaps between the flexible copper conductors and gaps between the flexible copper conductors and the taping layer are filled with asbestos fillers, the insulating layer wraps the peripheral wall of the taping layer, the metal armor layer wraps the peripheral wall of the insulating layer, the sheath inner layer wraps the peripheral wall of the metal armor layer, and the sheath outer layer wraps the peripheral wall of the sheath outer layer. The sheath outer layer wraps the outer peripheral wall of the sheath inner layer. The bus clamp comprises a first shell, a second shell, a clamping block and a base. According to the technical scheme of the utility model, the use safety of the bus can be improved, the bus is easy to lay and install, the clamping blocks can be conveniently detached and replaced, the adaptability is wide, and the practicability is strong.
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Description

Technical Field

[0001] The utility model relates to the technical field of flexible busbars, and particularly relates to an explosion-proof flexible busbar. Background Art

[0002] High-current power supply and distribution is an important part of the power supply and distribution field, and is widely used in many fields such as construction, industry, electricity, transportation, and new energy. With the increasingly prominent global environmental problems, people's attention to environmental protection awareness is also constantly increasing. In various fields, the application of environmentally friendly materials has received more and more attention and emphasis. As an important electrical material, the busbar plays a crucial role in the power system. With the development of technology, the in-depth implementation of the energy conservation and environmental protection concept, and the implementation of China's "dual carbon" strategy, the market has put forward more diversified requirements in terms of safety and reliability, economic cost, efficiency and convenience, and scene adaptation, providing a broader development space for high-current power supply and distribution.

[0003] At present, the traditional busbar refers to a closed metal device composed of copper and aluminum busbar columns, which is used to distribute relatively large power to each component of the distributed system. In the power supply and distribution link, the traditional busbar needs to be customized on-site by measuring the size in advance, and is mostly used for indoor installation, and the laying is inconvenient. Moreover, there are gaps between the internal core wires of the traditional busbar. The suction effect caused by the alternation of cold and heat causes dangerous gases, humid gases and water on one side of the busbar to spread to the other side, forming an explosion hazard environment, and the insulating layer is prone to catching fire, which is prone to cause the danger of explosion and fire. Summary of the Invention

[0004] The main purpose of the utility model is to propose an explosion-proof flexible busbar, aiming to solve the technical problems that the existing busbar is inconvenient to lay, there are gaps between the internal core wires of the busbar, the suction effect caused by the alternation of cold and heat causes dangerous gases, humid gases and water on one side of the busbar to spread to the other side, forming an explosion hazard environment, and the insulating layer is prone to catching fire, which is prone to cause the danger of explosion and fire.

[0005] To achieve the above object, the explosion-proof flexible busbar proposed by the present utility model includes a busbar body and a busbar clamp. The busbar body includes a stress-relieved copper bar, a tape layer, an insulating layer, a metal armor layer, an inner sheath layer, and an outer sheath layer. The stress-relieved copper bar includes a plurality of flexible copper conductors, and adjacent flexible copper conductors are connected by a flexible copper sheet. The tape layer is wrapped around the outer peripheral wall of the stress-relieved copper bar, and the gaps between the flexible copper conductors and between the flexible copper conductors and the tape layer are filled with asbestos filler. The outer peripheral walls of the flexible copper conductors and the flexible copper sheet are respectively provided with a galvanized layer or a tin-plated layer. The insulating layer is wrapped around the outer peripheral wall of the tape layer. The metal armor layer is wrapped around the outer peripheral wall of the insulating layer. The inner sheath layer is wrapped around the outer peripheral wall of the metal armor layer. The outer sheath layer is wrapped around the outer peripheral wall of the inner sheath layer. The busbar clamp includes a first housing, a second housing, a clamping block, and a base. The second housing is detachably disposed on the first housing. The upper end portion of the first housing and the lower end portion of the second housing are respectively recessed with a plurality of accommodation grooves along the length direction. The front end wall and the rear end wall of the accommodation groove are both provided with an open structure. The clamping blocks are respectively detachably embedded in the accommodation grooves. The clamping block is provided with a groove structure. One or more clamping grooves are recessed in the upper end portion of the clamping block. The busbar body is respectively disposed through the accommodation grooves, and the upper and lower end edges of the busbar body are respectively embedded in the clamping grooves. The base is detachably disposed on the lower end portion of the first housing or the upper end portion of the second housing. A plurality of screw holes are recessed in the upper end portion and the lower end portion of the base. A plurality of waist-shaped holes are recessed in the side wall of the base.

[0006] Optionally, the tape layer is formed of mica tape, fiberglass cloth tape, or ceramic composite tape.

[0007] Optionally, the insulating layer is formed of flame-retardant cross-linked polyethylene.

[0008] Optionally, the metal armor layer is made of highly flexible aluminum alloy self-locking armor.

[0009] Optionally, the inner sheath layer is formed of polyvinyl chloride or polyolefin material.

[0010] Optionally, the outer sheath layer is formed of heavy rubber or heavy neoprene.

[0011] Optionally, the thickness of the insulating layer is 0.2 mm to 0.8 mm.

[0012] Optionally, the busbar clamp further includes a connecting pin and fastening screws. The cross-section of the connecting pin is provided in a regular hexagon structure. A plurality of insertion grooves adapted to the connecting pin are respectively recessed in the upper end portion of the first housing and the lower end portion of the second housing. Two ends of the connecting pin are respectively detachably embedded in the insertion grooves. A plurality of countersunk holes are respectively recessed in the lower end wall of the first housing and the upper end wall of the second housing. A threaded hole is recessed at each of the two ends of the connecting pin. The countersunk holes are respectively communicated with the threaded holes. The fastening screws respectively pass through the screw holes and the countersunk holes and are screwed into the threaded holes.

[0013] Optionally, a limiting block is respectively protruded on two side walls of the clamping block. A limiting groove is respectively recessed on two sides of the accommodating groove. The limiting blocks are respectively slidably embedded in the limiting grooves.

[0014] Optionally, the first housing, the second housing and the clamping block are all formed of high-strength and high-flame-retardant unsaturated polyester glass fiber reinforced molding compound.

[0015] Adopting the technical solution of the present utility model has the following beneficial effects: In the technical solution of the present utility model, the stress-relieved copper busbar includes a plurality of flexible copper conductors, and two adjacent flexible copper conductors are connected by a flexible copper sheet. The tape layer is arranged to wrap the outer peripheral wall of the stress-relieved copper busbar, and the gaps between the flexible copper conductors and between the flexible copper conductors and the tape layer are filled with asbestos fillers. Galvanized layers or tin-plated layers are respectively provided on the outer peripheral walls of the flexible copper conductors and the flexible copper sheet. The insulating layer is arranged to wrap the outer peripheral wall of the tape layer, the metal armor layer is arranged to wrap the outer peripheral wall of the insulating layer, the inner sheath layer is arranged to wrap the outer peripheral wall of the metal armor layer, and the outer sheath layer is arranged to wrap the outer peripheral wall of the inner sheath layer. The busbar clamp includes a first housing, a second housing, clamping blocks and a base. The second housing is detachably arranged on the first housing. A plurality of accommodation grooves are respectively recessed in the upper end part of the first housing and the lower end part of the second housing along the length direction. The front end wall and the rear end wall of the accommodation groove are both arranged in an open structure. The clamping blocks are respectively detachably embedded in the accommodation grooves. The clamping blocks are arranged in a groove structure. One or more clamping grooves are recessed in the upper end part of the clamping blocks. The busbar bodies are respectively arranged to pass through the accommodation grooves, and the upper and lower edge parts of the busbar bodies are respectively embedded in the clamping grooves. The base is detachably arranged at the lower end part of the first housing or the upper end part of the second housing. By filling the gaps between the flexible copper conductors and between the flexible copper conductors and the tape layer with asbestos fillers, a dense structure is formed to prevent the dangerous gases, moist gases and water on one side of the busbar from being transmitted to the other side due to the suction effect generated by the hot and cold alternation of the busbar, and to prevent the formation of an explosion hazard environment on the other side of the busbar. It is safe and reliable when approaching inflammable and explosive items, meets the requirements of the power system for safety, reliability and efficiency, can effectively meet the power transmission requirements under various extreme environments, provides a strong guarantee for industrial production and personnel safety, and has the advantages of high protection level, compact structure, high power consumption efficiency, high reliability and high safety. Moreover, it has good flexibility and light weight, can achieve multi-degree twisting, bending, curling and folding, is convenient for processing, transportation, easy to construct and install, does not require reserved installation space, has a high protection level, can be laid and used outdoors and in humid environments, has a low cost, can reach hundreds of meters in length, has no intermediate joints, the clamping blocks can be conveniently disassembled and replaced, can be combined into single busbar clamps or double busbar clamps according to needs, is flexible in use and wide in adaptability, has the advantages of explosion-proof, fire-proof and explosion-proof combustion, has very high safety and reliability, can effectively meet the power transmission requirements under various extreme environments, provides a strong guarantee for industrial production and personnel safety, reduces fire accidents caused by electrical equipment failures, is applicable to all large-current power supply and distribution fields, and can be widely applied to industries such as new energy, power, industrial and civil buildings, rail transit, metallurgy, chemical industry, IDC computer rooms, and military industries. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0017] Figure 1 Schematic cross-sectional structure diagram of the busbar body of an explosion-proof flexible busbar according to an embodiment of the present invention;

[0018] Figure 2 Schematic overall structure diagram of the busbar body of an explosion-proof flexible busbar according to an embodiment of the present invention;

[0019] Figure 3 Schematic structure diagram of the stress-relieved copper bar of the busbar body of an explosion-proof flexible busbar according to an embodiment of the present invention;

[0020] Figure 4 Schematic partial structure diagram of the busbar clamp of an explosion-proof flexible busbar according to an embodiment of the present invention;

[0021] Figure 5 Schematic partial exploded structure diagram of the busbar clamp of an explosion-proof flexible busbar according to an embodiment of the present invention;

[0022] Figure 6 Schematic diagram of another partial exploded structure of the busbar clamp of an explosion-proof flexible busbar according to an embodiment of the present invention;

[0023] Figure 7 Schematic structure diagram of the base of the busbar clamp of an explosion-proof flexible busbar according to an embodiment of the present invention.

[0024] The realization of the object, functional features and advantages of the present invention will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between components in a certain specific posture (as shown in the attached drawings). If the specific posture changes, the directional indications will also change accordingly.

[0027] In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0028] The present utility model provides an explosion-proof flexible busbar.

[0029] Such as Figures 1 to 7As shown in the figure, in an embodiment of the present utility model, the explosion-proof flexible busbar includes a busbar body 100 and a busbar clamp 200. The busbar body 100 includes a stress-relieved copper bar 101, a tape layer 102, an insulating layer 103, a metal armor layer 104, an inner sheath layer 105, and an outer sheath layer 106. The stress-relieved copper bar 101 includes a plurality of flexible copper conductors 1011, and two adjacent flexible copper conductors 1011 are connected by a flexible copper sheet 1012. The tape layer 102 is disposed around the outer peripheral wall of the stress-relieved copper bar 101, and the gaps between the flexible copper conductors 1011 and between the flexible copper conductors 1011 and the tape layer 102 are filled with asbestos filler. Galvanized layers or tin-plated layers (not shown) are respectively provided on the outer peripheral walls of the flexible copper conductors 1011 and the flexible copper sheet 1012. The galvanized layers or tin-plated layers improve the oxidation resistance and corrosion resistance of the stress-relieved copper bar, reduce the influence of oxidation on the performance of the busbar, and extend the service life of the busbar. The insulating layer 103 is disposed around the outer peripheral wall of the tape layer 102, the metal armor layer 104 is disposed around the outer peripheral wall of the insulating layer 103, the inner sheath layer 105 is disposed around the outer peripheral wall of the metal armor layer 104, and the outer sheath layer 106 is disposed around the outer peripheral wall of the inner sheath layer 105. The busbar clamp 200 includes a first housing 201, a second housing 202, a clamping block 203, and a base 204. The second housing 202 is detachably disposed on the first housing 201. A plurality of receiving grooves 205 are respectively recessed in the upper end portion of the first housing 201 and the lower end portion of the second housing 202 along the length direction. The front end wall and the rear end wall of the receiving groove 205 are both provided with an open structure. The clamping blocks 203 are respectively detachably embedded in the receiving grooves 205. The clamping block 203 is provided with a groove structure. One or more card slots 2031 are recessed in the upper end portion of the clamping block 203. The busbar body 100 is respectively disposed through the receiving grooves 205, and the upper and lower edges of the busbar body 100 are respectively embedded in the card slots 2031. The base 204 is detachably disposed on the lower end portion of the first housing 201 or the upper end portion of the second housing 202. A plurality of screw holes 2041 are recessed in the upper end portion and the lower end portion of the base 204. A plurality of waist-shaped holes 2042 are recessed in the side wall of the base 204.

[0030] Specifically, the tape layer 102 is formed of mica tape, fiberglass cloth tape, or ceramic composite tape. It has excellent high-temperature resistance, good fire resistance, excellent insulation performance, and high mechanical strength. It can maintain a certain structural integrity in the event of a fire, effectively prevent the spread of fire, improve the fire safety of electrical equipment, and the tape layer can effectively isolate dust and moisture in the external environment, protect the stress-relieved copper bar and the insulating layer inside the busbar, and extend the life of the busbar.

[0031] Specifically, the insulating layer 103 is formed of flame-retardant cross-linked polyethylene, which has excellent high-temperature resistance, can maintain stable physical and chemical properties under high-temperature conditions, is suitable for the electrical insulation requirements in various high-temperature environments, has good insulation performance, can effectively prevent current leakage and short circuits, ensure the normal operation and safety of electrical equipment, and ensure that the busbar still has a stable insulation effect in a high-temperature environment.

[0032] Specifically, the metal armor layer 104 uses highly flexible aluminum alloy self-locking armor. The aluminum alloy self-locking armor is lighter and easier to peel off than steel tape armor, has high strength, strong corrosion resistance, and is a non-magnetic material, so it will not generate sparks when colliding, is safe and reliable when approaching flammable and explosive items. The self-locking structure enables it to bend in a smaller space, has a 360° bending ability, has a lighter weight and higher strength, and is convenient for construction and installation.

[0033] Specifically, the inner sheath layer 105 is formed of polyvinyl chloride or polyolefin materials, which has the advantages of being soft, able to be bent and folded arbitrarily, relatively thin in thickness, small in volume, simple in connection, convenient in disassembly, etc., can avoid damage to the busbar and reduction of its service life, can effectively block the intrusion of oxygen and other harmful substances, extend the service life of the busbar, and has high abrasion resistance, making the busbar more durable and reliable.

[0034] Specifically, the outer sheath layer 106 is formed of heavy rubber or heavy neoprene, which has the advantages of strong abrasion resistance, good weather resistance, good softness, excellent tensile performance, waterproof and moisture-proof, excellent heat resistance, good electrical insulation performance, softness and stress crack resistance, environmental protection, and good processing performance, etc. It can improve the safety and durability of the busbar, can effectively protect the internal conductor of the busbar from external scratching and wear, extend the service life of the busbar, reduce the maintenance and replacement frequency, and reduce the use cost.

[0035] Specifically, the thickness of the insulating layer 103 is 0.2 mm to 0.8 mm, which can improve the protection level and insulation performance of the busbar and enhance the safety of the busbar.

[0036] Specifically, the busbar clamp 200 further includes a connecting pin 206 and fastening screws (not shown). The cross-section of the connecting pin 206 is provided with a regular hexagon structure. A plurality of insertion slots 207 adapted to the connecting pin 206 are respectively recessed in the upper end portion of the first housing 201 and the lower end portion of the second housing 202. Both ends of the connecting pin 206 are detachably embedded in the insertion slots 207. A plurality of countersunk holes 208 are respectively recessed in the lower end wall of the first housing 201 and the upper end wall of the second housing 202. A threaded hole 2061 is recessed at each end of the connecting pin 206. The countersunk holes 208 are respectively communicated with the threaded holes 2061. The fastening screws respectively pass through the screw holes 2041 and the countersunk holes 208 and are screwed into the threaded holes 2061, making the assembly of the first housing and the second housing more convenient and fast.

[0037] Specifically, a limiting block 2032 is respectively convexly provided on both side walls of the clamping block 203. A limiting groove 2051 is respectively recessed on both sides of the accommodating groove 205. The limiting blocks 2032 are respectively slidably embedded in the limiting grooves 2051, playing a role in limiting the clamping block and preventing the clamping block from falling off.

[0038] Specifically, the first housing 201, the second housing 202 and the clamping block 203 are all formed by high-strength and high-flame-retardant unsaturated polyester glass fiber reinforced molding compound, which has excellent electrical insulation, heat resistance and flame retardancy. Its products have high strength, precise internal structure, stable geometric dimensions, and also have the characteristics of arc resistance and leakage resistance.

[0039] Specifically, the working principle of the present utility model is as follows:

[0040] 1. The stress-relieved copper bar is wrapped by a tape layer on its outer peripheral wall, and the gaps between the flexible copper conductors and between the flexible copper conductors and the tape layer are all filled with asbestos filler. A galvanized layer or a tin-plated layer is respectively provided on the outer peripheral walls of the flexible copper conductors and the flexible copper sheets. The insulating layer is provided to wrap the outer peripheral wall of the tape layer. The metal armor layer is provided to wrap the outer peripheral wall of the insulating layer. The inner sheath layer is provided to wrap the outer peripheral wall of the metal armor layer. The outer sheath layer is provided to wrap the outer peripheral wall of the inner sheath layer. By filling the gaps between the flexible copper conductors and between the flexible copper conductors and the tape layer with asbestos filler, a dense structure is formed to prevent the suction effect caused by the hot and cold alternation of the busbar from spreading the dangerous gas, humid gas and water on one side of the busbar to the other side, preventing the formation of an explosion hazard environment on the other side of the busbar. It is safe and reliable when approaching flammable and explosive items, improving the reliability and safety of the busbar and meeting the requirements of the power system for safety, reliability and efficiency.

[0041] 2. By connecting each pair of adjacent flexible copper conductors with a flexible copper sheet, the stress-relieving copper busbar can effectively reduce stress concentration. This means that during current transmission, the current can be more evenly distributed on the surface of the flexible copper conductor, reducing the resistance of the conductor and thus improving the conductivity of the busbar. Compared with traditional rigid busbars, the stress-relieving copper busbar can reduce its heat generation under the same current load, reduce energy loss, and improve the utilization rate of electric energy;

[0042] 3. By detachably arranging the second housing on the first housing, a plurality of receiving grooves are respectively recessed in the upper end portion of the first housing and the lower end portion of the second housing along the length direction. The front end wall and the rear end wall of the receiving groove are both arranged in an open structure. The clamping blocks are respectively detachably embedded in the receiving grooves. The clamping blocks are arranged in a groove structure. One or more clamping grooves are recessed in the upper end portion of the clamping blocks. The busbar bodies are respectively arranged through the receiving grooves, and the upper and lower edges of the busbar bodies are respectively embedded in the clamping grooves. The base is detachably arranged at the lower end portion of the first housing or the upper end portion of the second housing, so that the construction, laying and installation of the busbar are more convenient, and the clamping blocks can be conveniently disassembled and replaced. They can be combined into single busbar clamps or double busbar clamps according to needs, with flexible use, wide adaptability and strong practicability.

[0043] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made by using the description and drawings of the present invention under the inventive concept of the present invention, or direct / indirect application in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. An explosion-proof flexible busbar, characterized in that, It includes a busbar body and a busbar clamp. The busbar body includes a stress-relieved copper bar, a wrapping layer, an insulating layer, a metal armor layer, an inner sheath layer, and an outer sheath layer. The stress-relieved copper bar includes a plurality of flexible copper conductors, and a flexible copper sheet is connected between two adjacent flexible copper conductors. The wrapping layer is arranged to wrap around the outer peripheral wall of the stress-relieved copper bar, and the gaps between the flexible copper conductors and between the flexible copper conductors and the wrapping layer are filled with asbestos filler. A galvanized layer or a tin-plated layer is respectively provided on the outer peripheral walls of the flexible copper conductors and the flexible copper sheet. The insulating layer is arranged to wrap around the outer peripheral wall of the wrapping layer. The metal armor layer is arranged to wrap around the outer peripheral wall of the insulating layer. The inner sheath layer is arranged to wrap around the outer peripheral wall of the metal armor layer. The outer sheath layer is arranged to wrap around the outer peripheral wall of the inner sheath layer. The busbar clamp includes a first housing, a second housing, a clamping block, and a base. The second housing is detachably arranged on the first housing. A plurality of receiving grooves are respectively recessed in the upper end portion of the first housing and the lower end portion of the second housing along the length direction. The front end wall and the rear end wall of the receiving groove are both arranged in an open structure. The clamping blocks are respectively detachably embedded in the receiving grooves. The clamping block is arranged in a groove structure. One or more clamping grooves are recessed in the upper end portion of the clamping block. The busbar body is respectively arranged to pass through the receiving grooves, and the upper and lower edges of the busbar body are respectively embedded in the clamping grooves. The base is detachably arranged on the lower end portion of the first housing or the upper end portion of the second housing. A plurality of screw holes are recessed in the upper end portion and the lower end portion of the base. A plurality of waist-shaped holes are recessed in the side wall of the base.

2. The explosion-proof flexible busbar according to claim 1, wherein The wrapping layer is formed by mica tape, fiberglass cloth tape, or ceramic composite tape.

3. The explosion-proof flexible busbar according to claim 1, wherein, The insulating layer is formed by flame-retardant cross-linked polyethylene.

4. The explosion-proof flexible busbar according to claim 1, wherein The metal armor layer uses highly flexible aluminum alloy self-locking armor.

5. The explosion-proof flexible busbar according to claim 1, wherein The inner sheath layer is formed by polyvinyl chloride or polyolefin material.

6. The explosion-proof flexible busbar according to claim 1, wherein, The outer sheath layer is formed by heavy-duty rubber or heavy-duty neoprene rubber.

7. The explosion-proof flexible busbar according to claim 1, wherein, The thickness of the insulating layer is 0.2 mm to 0.8 mm.

8. The explosion-proof flexible busbar according to claim 1, characterized in that, The busbar clamp further includes a connecting pin and fastening screws. The cross-section of the connecting pin is arranged in a regular hexagon structure. A plurality of plugging grooves adapted to the connecting pin are respectively recessed in the upper end portion of the first housing and the lower end portion of the second housing. The two ends of the connecting pin are respectively detachably embedded in the plugging grooves. A plurality of countersunk holes are respectively recessed in the lower end wall of the first housing and the upper end wall of the second housing. A threaded hole is respectively recessed at both ends of the connecting pin. The countersunk holes are respectively communicated with the threaded holes. The fastening screws respectively pass through the screw holes and the countersunk holes and are screwed into the threaded holes.

9. The explosion-proof flexible busbar according to claim 1, characterized in that, A limiting block is respectively protruded on both side walls of the clamping block. A limiting groove is respectively recessed on both sides of the receiving groove. The limiting blocks are respectively slidably embedded in the limiting grooves.

10. The explosion-proof flexible busbar according to claim 1, wherein The first housing, the second housing, and the clamping block are all formed by high-strength and high-flame-retardant unsaturated polyester glass fiber reinforced molding compound.