Insulated flexible conductive busbar

Abstract

The utility model belongs to the technical field of conducting bars, and particularly relates to an insulating flexible conducting busbar which comprises an insulating flexible conducting busbar assembly, and the side of the insulating flexible conducting busbar assembly is provided with a plugging assembly. The insulating flexible conductive busbar assembly comprises a conductive core layer, the outer wall of the conductive core layer is coated with a flexible base material layer, the outer wall of the flexible base material layer is provided with an inner insulating layer, the outer wall of the inner insulating layer is provided with an outer insulating layer, the outer wall of the outer insulating layer is provided with a shielding layer, the outer wall of the shielding layer is coated with a protective coating, and the outer wall of the shielding layer is coated with a protective coating. The conductive core layer is made of an aluminum alloy material, the conductive core layer is of a multi-strand wire core braided structure, and the flexible base material layer is made of a polytetrafluoroethylene material; according to the utility model, through the combination of the flexible material and the insulating layer, high conductivity and good insulativity are provided, the mechanical flexibility of the conductive busbar is improved, and the conductive busbar is resistant to electrical and environmental stress for a long time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of conducting bar, specifically is a kind of insulating flexible conducting busbar. BACKGROUND

[0002] Busbar refers to the copper bar or aluminum bar connecting the main switch in power supply system and the switch in each branch circuit in switch cabinet, and the surface is insulated, mainly for conducting wire, sometimes also called busbar, which is the conducting material on power distribution equipment.

[0003] In Chinese patent 202222894265.3, the utility model discloses a kind of conducting busbar, including vertical busbar one and vertical busbar two, vertical busbar one and vertical busbar two all include vertical part and horizontal part, the horizontal part of vertical busbar one is longer than the horizontal part of vertical busbar two, and the horizontal part of both is provided with connecting hole, wherein the horizontal part of vertical busbar one is formed with insertion slot, and the horizontal part of vertical busbar two is provided with insertion plate correspondingly, and insertion slot and insertion plate are located on the two sides of the connecting hole.In the utility model, insertion slot is opened on vertical busbar one, and insertion plate is opened on vertical busbar two, and the lap joint is realized by insertion slot and insertion plate, so as to increase the lap joint area between them, without occupying additional space, the problem of insufficient lap joint area is solved.At the same time, round sheath is provided, which can effectively protect the bolt when connecting vertical busbar one and vertical busbar two by bolt and other fasteners, and the heat dissipation groove is provided to realize the heat dissipation function of the bolt in the connected state.

[0004] In the power transmission system of new energy vehicles, the existing conducting busbar faces some severe challenges. Since new energy vehicles require strong power support, the conducting layer of the conducting busbar often carries a large current transmission task. However, during this process, current leakage may occur, which not only interferes with the normal operation of other electronic components in the vehicle, but also seriously affects the safety of the vehicle electrical system, posing a potential threat to the life and health of the driver and passengers. At the same time, new energy vehicles are used for a long time in various complex road conditions and environmental conditions, and the conducting busbar, as a key power transmission component, gradually decreases its ability to withstand electrical and environmental stress.

[0005] Therefore, in view of the above problems, an insulating flexible conducting busbar is proposed. Utility model content

[0006] In order to make up for the shortcomings of the prior art, the problem of current leakage of the conducting busbar is solved, and the problem of decrease in the resistance of the conducting busbar to electrical and environmental stress is solved.

[0007] The utility model discloses a technical scheme that solves its technical problems is: A kind of insulating flexible conductive busbar of the utility model, including insulating flexible conductive busbar assembly, and the side of insulating flexible conductive busbar assembly is provided with plug-in assembly;The insulating flexible conductive busbar assembly, including conductive core layer, the outer wall of the conductive core layer is smeared with flexible substrate layer, and the outer wall of flexible substrate layer is provided with inner insulating layer, and the outer wall of inner insulating layer is provided with outer insulating layer, the outer wall of the outer insulating layer is provided with shielding layer, and the outer wall of shielding layer is smeared with protective coating.

[0008] Preferably, the conductive core layer is made of aluminum alloy material, and the conductive core layer is a multi-strand wire core woven structure.

[0009] Preferably, the flexible substrate layer is made of polytetrafluoroethylene material, and the flexible substrate layer uniformly covers the outer wall of the conductive core layer.

[0010] Preferably, the inner insulating layer is made of polyimide film material, and the outer insulating layer is made of cross-linked polyethylene material.

[0011] Preferably, the shielding layer is made of soft aluminum foil material, and the protective coating is made of chlorinated paraffin material.

[0012] Preferably, the plug-in assembly includes a plug-in plate, the plug-in plate is internally connected with a fixing bolt, and the bottom of the fixing bolt is threadedly connected with a bolt groove.

[0013] Preferably, the fixing bolt and the bolt groove constitute a thread detachable structure through the plug-in plate, and the fixing bolt is symmetrically arranged about the vertical central axis of the plug-in plate.

[0014] The utility model has the advantages that:

[0015] 1. The conductive core layer is made of aluminum alloy material, and the conductive core layer is a multi-strand wire core woven structure. The aluminum alloy has high conductivity, effectively ensuring the conductivity of the device. The conductive core layer can improve flexibility and fatigue resistance. The flexible substrate layer is made of polytetrafluoroethylene material, and the flexible substrate layer uniformly covers the outer wall of the conductive core layer, which facilitates the enhancement of the mechanical strength and flexibility of the conductive busbar. The flexible substrate layer is uniformly smeared on the outer wall of the conductive core layer to form a protective film, enhancing the wear resistance and service life of the busbar.

[0016] 2. The inner insulation layer is made of polyimide film material, the outer insulation layer is made of crosslinked polyethylene material, the insulation layer adopts a double-layer design to ensure safety in a high-voltage environment, the shielding layer is made of soft aluminum foil material, the protective coating layer is made of chlorinated paraffin material, the soft aluminum foil is used to prevent high-frequency electromagnetic waves from contacting the conductor of the cable to generate induced current, thereby preventing electromagnetic interference and further improving the voltage resistance performance of the busbar, the chlorinated paraffin decomposes to generate non-combustible gas or bubbles when heated, thereby playing an isolation role to prevent or delay combustion, and the protective coating layer can improve the environmental adaptability of the busbar and improve the fireproof performance;

[0017] 3. The fixing bolt is symmetrically arranged about the vertical central axis of the insertion plate and forms a threaded detachable structure with the bolt groove, so that the cable can be conveniently connected in a simple and easy-to-operate manner. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a schematic diagram of the overall perspective structure of the present application;

[0020] Figure 2 It is a schematic diagram of the overall disassembly structure of the present application;

[0021] Figure 3 It is a schematic diagram of the enlarged structure of the insulating flexible conductive busbar assembly of the present application;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the insulating flexible conductive busbar assembly of the present application;

[0023] Figure 5 It is a schematic diagram of the disassembly structure of the insertion assembly of the present application.

[0024] In the drawings: 1, insulating flexible conductive busbar assembly; 101, conductive core layer; 102, flexible base material layer; 103, inner insulation layer; 104, outer insulation layer; 105, shielding layer; 106, protective coating layer; 2, insertion assembly; 201, insertion plate; 202, fixing bolt; 203, bolt groove. DETAILED DESCRIPTION

[0025] Clearly and completely describe the technical scheme in the embodiments of the utility model with the drawings in the embodiments of the utility model below, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of the utility model protection.

[0026] As shown in Figure 1 , Figure 2 , an insulating flexible conductive busbar, comprising an insulating flexible conductive busbar assembly 1, and the edge side of the insulating flexible conductive busbar assembly 1 is provided with a plug-in assembly 2.

[0027] As shown in Figure 3 , Figure 4 , an insulating flexible conductive busbar, the insulating flexible conductive busbar assembly 1, comprising a conductive core layer 101, the outer wall of the conductive core layer 101 is coated with a flexible base material layer 102, and the outer wall of the flexible base material layer 102 is provided with an inner insulation layer 103, and the outer wall of the inner insulation layer 103 is provided with an outer insulation layer 104, the outer wall of the outer insulation layer 104 is provided with a shielding layer 105, and the outer wall of the shielding layer 105 is coated with a protective coating 106, the conductive core layer 101 is an aluminum alloy material, and the conductive core layer 101 is a multi-strand wire core woven structure, the aluminum alloy has high conductivity, which effectively ensures the conductivity of the device, the conductive core layer 101 can improve the flexibility and fatigue resistance, the flexible base material layer 102 is made of polytetrafluoroethylene material, and the flexible base material layer 102 uniformly covers the outer wall of the conductive core layer 101, which is convenient for enhancing the mechanical strength and flexibility of the conductive busbar, the flexible base material layer 102 is uniformly coated on the outer wall of the conductive core layer 101 to form a protective film, which enhances the wear resistance and service life of the busbar, the inner insulation layer 103 is made of polyimide film material, the outer insulation layer 104 is made of crosslinked polyethylene material, the insulation layer adopts double-layer design to ensure the safety in high pressure environment, the shielding layer 105 is made of soft aluminum foil material, the protective coating 106 is made of chlorinated paraffin material, the soft aluminum foil is used to prevent high-frequency electromagnetic waves from contacting the conductor of the cable and generating induced current, so as to prevent electromagnetic interference and further improve the voltage resistance performance of the busbar, the chlorinated paraffin decomposes to produce non-combustible gas or bubbles when heated, which plays an isolation role, prevents or delays combustion, and the protective coating 106 can improve the environmental adaptability of the busbar and improve the fireproof performance.

[0028] As shown in Figure 5As shown, an insulating flexible conductive busbar, the plug-in assembly 2, comprising a plug-in plate 201, the inside of the plug-in plate 201 is clamped and connected with a fixing bolt 202, and the bottom of the fixing bolt 202 is threadedly connected with a bolt groove 203, the cable is placed at the bottom of the plug-in plate 201, the fixing bolt 202 is tightened, so that the plug-in plate 201 is pressed into the cable, so that the cable is connected with the conductive busbar, the fixing bolt 202 and the bolt groove 203 constitute a threaded detachable structure through the plug-in plate 201, and the fixing bolt 202 is symmetrically arranged about the vertical central axis of the plug-in plate 201, facilitating the connection of the cable, the connection mode is simple and easy to operate.

[0029] Working principle: first, in the assembly link of new energy vehicles, the device needs to be placed accurately before use, the cable connected with the motor, battery and various electronic control units is placed at the bottom of the plug-in plate 201, then the fixing bolt 202 is tightened, and the plug-in plate 201 is tightly pressed into the cable by means of this operation, so that the stable connection of the cable and the conductive busbar is smoothly achieved, laying a foundation for efficient power transmission in the future,

[0030] Then, in the actual operation process of new energy vehicles, each layer of the conductive busbar plays a unique role, among which the conductive core layer 101 adopts aluminum alloy material, aluminum alloy can effectively ensure the good conductivity of the device under the complex power transmission demand of new energy vehicles due to its excellent high conductivity, and it adopts a multi-strand wire core woven structure, which significantly improves the flexibility and fatigue resistance in the process of frequent start-stop, acceleration and deceleration and driving bumping of the vehicle, the flexible substrate layer 102 is made of polytetrafluoroethylene material, which has excellent properties of high temperature resistance and aging resistance, which not only can enhance the mechanical strength of the conductive busbar, but also can give it flexibility in the high temperature environment of the engine compartment of new energy vehicles and in the long-term use process, the flexible substrate layer 102 is evenly coated on the outer wall of the conductive core layer 101, like forming a layer of tough protective film, greatly enhancing the wear resistance of the busbar, effectively prolonging its service life, and ensuring the long-term stability of the power transmission of new energy vehicles,

[0031] The inner insulation layer 103 is made of polyimide film material, and the outer insulation layer 104 is made of cross-linked polyethylene material. Such a double-layer insulation structure can ensure safety in a high-voltage environment, effectively prevent the occurrence of electric leakage, avoid safety accidents caused by electrical faults, and shield electromagnetic interference. The shielding layer 105 is made of soft aluminum foil material. In the space of the new energy vehicle full of various electronic devices and complex electromagnetic environment, the soft aluminum foil can effectively prevent the contact of high-frequency electromagnetic waves and the conductors of the cable to generate induced current, thereby preventing the adverse effects of electromagnetic interference on the vehicle control system, sensors, communication equipment and the like. At the same time, the voltage resistance performance of the busbar is further improved, the purity and stability of power transmission are ensured, the protective coating 106 is made of chlorinated paraffin material, and the chlorinated paraffin decomposes to produce non-combustible gas or bubbles when heated. In the event of abnormal conditions such as electrical short circuit and overheating that may occur in the new energy vehicle, it plays an isolation role to prevent or delay combustion. This feature can improve the adaptability of the busbar in the complex and variable use environment of the new energy vehicle, significantly improve the fireproof performance, and provide a solid guarantee for the overall safety of the new energy vehicle.

[0032] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. An insulated flexible busbar, characterized by: The application relates to an insulating flexible conductive busbar assembly (1), which is provided with a plug-in assembly (2) on the side. The insulating flexible conductive busbar assembly (1) comprises a conductive core layer (101), the outer wall of the conductive core layer (101) is coated with a flexible base material layer (102), the outer wall of the flexible base material layer (102) is provided with an inner insulation layer (103), the outer wall of the inner insulation layer (103) is provided with an outer insulation layer (104), the outer wall of the outer insulation layer (104) is provided with a shielding layer (105), and the outer wall of the shielding layer (105) is coated with a protective coating (106).

2. The insulated flexible conductive busbar according to claim 1, wherein: The conductive core layer (101) is made of an aluminum alloy material and has a multi-strand wire core woven structure.

3. The insulated flexible conductive busbar of claim 1, wherein: The flexible base material layer (102) is made of polytetrafluoroethylene material and uniformly covers the outer wall of the conductive core layer (101).

4. The insulated flexible conductive busbar of claim 1, wherein: The inner insulation layer (103) is made of polyimide film material, and the outer insulation layer (104) is made of cross-linked polyethylene material.

5. The insulated flexible conductive busbar of claim 1, wherein: The shielding layer (105) is made of soft aluminum foil material, and the protective coating (106) is made of chlorinated paraffin material.

6. An insulated flexible conductive busbar as defined in claim 1, wherein: The plug-in assembly (2) comprises a plug-in plate (201), the inside of the plug-in plate (201) is clamped and connected with a fixing bolt (202), and the bottom of the fixing bolt (202) is threadedly connected with a bolt groove (203).

7. An insulated flexible conductive busbar according to claim 6, characterized in that: The fixing bolt (202) and the bolt groove (203) constitute a thread detachable structure through the plug-in plate (201), and the fixing bolt (202) is symmetrically arranged about the vertical central axis of the plug-in plate (201).

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