Anti-electromagnetic interference automobile cable harness

Abstract

The utility model discloses an anti-electromagnetic interference automobile cable harness which comprises an upper clamping plate, the inner wall of the upper clamping plate is fixedly connected with an upper protection plate, the left side and the right side of the upper clamping plate are fixedly connected with upper connecting plates, the bottom end of the upper clamping plate is movably provided with a lower clamping plate, and the inner wall of the lower clamping plate is fixedly connected with a lower protection plate. The left side and the right side of the lower clamping plate are fixedly connected with lower connecting plates, and the middles of the lower connecting plates are in threaded connection with connecting bolts. Before installation, the wire harness assembly is placed in the arc-shaped grooves of the upper clamping plate and the lower clamping plate, meanwhile, the surface of the wire harness assembly is in contact with the upper protection plate and the lower protection plate, and the upper protection plate and the lower protection plate are made of silica gel materials, so that the wire harness assembly has certain deformation quantity and can be matched with wire harness assemblies of different sizes; and after the installation is completed, the connecting bolts sequentially penetrate through the upper connecting plate and the lower connecting plate, and the positions of the connecting bolts are fixed by the fixing nuts, so that the disorder condition of the wire harness assembly is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive wire harnesses, and specifically relates to an automotive cable harness with electromagnetic interference resistance. Background Technique

[0002] In the wire harness of an automobile, the electromagnetic interference resistance performance of the wire harness has a great influence on the signal transmission quality. The automotive cable harness with electromagnetic interference resistance is specially designed to improve the stability and reliability of the automotive electronic system. This kind of wire harness can effectively reduce or eliminate the noise and faults caused by electromagnetic interference, and ensure the normal operation of the vehicle's electronic equipment.

[0003] However, when the automotive cable harness is in use, since the wire harness is generally composed of multiple cables and the length of the cables is generally long, the cables are prone to be messy during use, which not only affects the appearance but also poses certain safety hazards. Content of the Utility Model

[0004] The purpose of the utility model is to provide an automotive cable harness with electromagnetic interference resistance to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an automotive cable harness with electromagnetic interference resistance, including an upper clamping plate, the inner wall of the upper clamping plate is fixedly connected with an upper protection plate, the left and right sides of the upper clamping plate are fixedly connected with upper connecting plates, the bottom end of the upper clamping plate is movably installed with a lower clamping plate, the inner wall of the lower clamping plate is fixedly connected with a lower protection plate, the left and right sides of the lower clamping plate are fixedly connected with lower connecting plates, the middle part of the lower connecting plate is threadedly connected with a connecting bolt, the surface of the connecting bolt is threadedly connected with a fixing nut, and the top end of the lower clamping plate is movably installed with a wire harness assembly.

[0006] As a further preference of the above technical solution, arc-shaped grooves are provided at the bottom end of the upper clamping plate and the top end of the lower clamping plate, the number of the arc-shaped grooves is three, the upper protection plate and the lower protection plate are located inside the arc-shaped grooves, and the connecting bolt penetrates through the upper connecting plate and the lower connecting plate and is connected with the fixing nut.

[0007] As a further preference of the above technical solution, the number of the wire harness assemblies is three. The three wire harness assemblies include an outer sleeve, an outer shielding layer is movably installed inside the outer sleeve, a protection isolation layer is movably installed inside the outer shielding layer, a first inner shielding layer is movably installed inside the protection isolation layer, an inner support filler is movably installed inside the first inner shielding layer, and a conductive wire harness group is movably installed inside the inner support filler.

[0008] As a further preference of the present technical solution, a plurality of friction surfaces are provided on the surface of the outer casing, and a plurality of conductive wire harness groups are provided. The plurality of conductive wire harness groups are in a twisted structure.

[0009] As a further preference of the present technical solution, the wire harness assembly further includes a second inner shielding layer and a connecting plate. The second inner shielding layer is movably installed inside the protective isolation layer. A communication wire harness group is movably installed inside the second inner shielding layer. The connecting plate is fixedly connected to the surface of the outer casing.

[0010] As a further preference of the present technical solution, a connecting guide plate is provided at the bottom end of the connecting plate. A fastening bolt is threadedly connected to the middle of the connecting guide plate. The bottom end of the fastening bolt is threadedly connected to a protective frame body. A filter is fixedly connected to the back of the protective frame body. A connecting port is fixedly connected to the back of the filter.

[0011] As a further preference of the present technical solution, three threaded holes are provided in the middle of the connecting guide plate. The number of the fastening bolts corresponds to the number of the threaded holes. The fastening bolts penetrate through the connecting plate and the connecting guide plate and are threadedly connected to the protective frame body. Three connecting ports are provided.

[0012] The utility model provides an anti-electromagnetic interference automotive cable harness, which has the following beneficial effects:

[0013] (1) By adding an upper clamping plate and a lower clamping plate outside the wire harness assembly in the utility model, before installation, the wire harness assembly is placed in the arc grooves of the upper clamping plate and the lower clamping plate. At the same time, the surface of the wire harness assembly contacts the upper protective plate and the lower protective plate. Since the upper protective plate and the lower protective plate are made of silica gel material, they have a certain amount of deformation, so as to be able to adapt to wire harness assemblies of different sizes. After the installation is completed, the connecting bolts are sequentially passed through the upper connecting plate and the lower connecting plate, and their positions are fixed by using fixing nuts, so as to prevent the wire harness assembly from being messy.

[0014] (2) By adding a filter between the wire harness assembly and the power supply in the utility model, during use, the threaded holes on the connecting plate and the connecting guide plate are aligned, the fastening bolts are passed through the connecting plate, and the fastening bolts are installed into the threaded holes of the connecting guide plate by using tools and screwed into the protective frame body. The filter is connected to the power supply line through the connecting port, so that specific frequency components in the signal can pass through, so as to improve the overall anti-electromagnetic interference ability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the utility model;

[0016] Figure 2 is a front structural diagram of the utility model;

[0017] Figure 3 is a top view structural schematic diagram of the present utility model;

[0018] Figure 4 is a left side structural schematic diagram of the present utility model;

[0019] Figure 5 is an exploded structural schematic diagram of the present utility model.

[0020] In the figure: 1, upper clamping plate; 2, upper protection plate; 3, upper connecting plate; 4, lower clamping plate; 5, lower protection plate; 6, lower connecting plate; 7, connecting bolt; 8, fixing nut; 9, wire harness assembly; 901, outer jacket; 902, outer shielding layer; 903, protective isolation layer; 904, first inner shielding layer; 905, inner support filler; 906, conductive wire harness group; 907, second inner shielding layer; 908, communication wire harness group; 909, connecting plate; 10, connecting guide plate; 11, fastening bolt; 12, protective frame; 13, filter; 14, connecting port. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0022] The present utility model provides a technical solution: As Figure 1 and Figure 5 shown, in this embodiment, an anti-electromagnetic interference automotive cable harness includes an upper clamping plate 1, an upper protection plate 2 is fixedly connected to the inner wall of the upper clamping plate 1, upper connecting plates 3 are fixedly connected to the left and right sides of the upper clamping plate 1, a lower clamping plate 4 is movably installed at the bottom end of the upper clamping plate 1, a lower protection plate 5 is fixedly connected to the inner wall of the lower clamping plate 4, lower connecting plates 6 are fixedly connected to the left and right sides of the lower clamping plate 4, a connecting bolt 7 is threadedly connected to the middle of the lower connecting plate 6, a fixing nut 8 is threadedly connected to the surface of the connecting bolt 7, and a wire harness assembly 9 is movably installed at the top end of the lower clamping plate 4.

[0023] Arc-shaped grooves are provided at both the bottom end of the upper clamping plate 1 and the top end of the lower clamping plate 4. The number of arc-shaped grooves is three. The upper protection plate 2 and the lower protection plate 5 are located inside the arc-shaped grooves. The connecting bolt 7 penetrates through the upper connecting plate 3 and the lower connecting plate 6 and is connected to the fixing nut 8.

[0024] Before installation, place the wire harness assembly 9 in the arc grooves of the upper clamping plate 1 and the lower clamping plate 4. At the same time, the surface of the wire harness assembly 9 contacts the upper protective plate 2 and the lower protective plate 5. Since the upper protective plate 2 and the lower protective plate 5 are made of silicone material, they have a certain amount of deformation, so as to be able to adapt to wire harness assemblies 9 of different sizes. After the installation is completed, use the connecting bolts 7 to pass through the upper connecting plate 3 and the lower connecting plate 6 in turn, and use the fixing nuts 8 to fix their positions, so as to fix the position of the wire harness assembly 9 and prevent the wire harness assembly 9 from getting messy during use.

[0025] There are three wire harness assemblies 9. The three wire harness assemblies 9 include an outer casing 901. An outer shielding layer 902 is movably installed inside the outer casing 901. A protective isolation layer 903 is movably installed inside the outer shielding layer 902. A first inner shielding layer 904 is movably installed inside the protective isolation layer 903. An inner support filler 905 is movably installed inside the first inner shielding layer 904. A conductive wire harness group 906 is movably installed inside the inner support filler 905.

[0026] A plurality of friction surfaces are provided on the surface of the outer casing 901. There are a plurality of conductive wire harness groups 906, and the plurality of conductive wire harness groups 906 are in a twisted structure.

[0027] The wire harness assembly 9 further includes a second inner shielding layer 907 and a connecting plate 909. The second inner shielding layer 907 is movably installed inside the protective isolation layer 903. A communication wire harness group 908 is movably installed inside the second inner shielding layer 907. The connecting plate 909 is fixedly connected to the surface of the outer casing 901.

[0028] By installing the first inner shielding layer 904, the second inner shielding layer 907 and the outer shielding layer 902 outside the conductive wire harness group 906 and the communication wire harness group 908, the inner shielding uses corrugated metal sheets or other conductive materials, and the outer shielding layer 902 uses a tinned copper or nickel-plated copper wave-proof sleeve for all-round shielding. These materials not only have high electrical conductivity and magnetic permeability, but also can cover a wide frequency range, effectively reducing electromagnetic interference. At the same time, a protective isolation layer 903 is added between the conductive wire harness group 906 and the communication wire harness group 908. The protective isolation layer 903 is made of silicone material, which can keep a certain distance between the two and play a certain buffering role to improve the protection effect of the wire harness assembly 9.

[0029] A connecting guide plate 10 is provided at the bottom end of the connecting plate 909. A fastening bolt 11 is threadedly connected to the middle of the connecting guide plate 10. A protective frame 12 is threadedly connected to the bottom end of the fastening bolt 11. A filter 13 is fixedly connected to the back of the protective frame 12. A connecting port 14 is fixedly connected to the back of the filter 13.

[0030] Three threaded holes are provided in the middle of the connecting guide plate 10. The number of fastening bolts 11 corresponds to the number of threaded holes. The fastening bolts 11 penetrate through the connecting plate 909 and the connecting guide plate 10 and are threadedly connected to the protective frame 12. The number of connecting ports 14 is three.

[0031] The utility model provides an anti-electromagnetic interference automotive cable harness, and the specific working principle is as follows:

[0032] During use, the harness assembly 9 is placed in the arc-shaped grooves of the upper clamping plate 1 and the lower clamping plate 4. At the same time, the surface of the harness assembly 9 contacts the upper protective plate 2 and the lower protective plate 5. Since the upper protective plate 2 and the lower protective plate 5 are made of silica gel material, they have a certain amount of deformation, so as to be able to adapt to harness assemblies 9 of different sizes. After the installation is completed, the connecting bolts 7 are sequentially passed through the upper connecting plate 3 and the lower connecting plate 6, and their positions are fixed by the fixing nuts 8, so as to prevent the harness assembly 9 from being messy during use. At the same time, the connecting plate 909 is aligned with the threaded holes on the connecting guide plate 10, the fastening bolts 11 are passed through the connecting plate 909, and the fastening bolts 11 are installed into the threaded holes of the connecting guide plate 10 by using tools and screwed into the protective frame 12. The filter 13 is connected to the power line through the connecting port 14, so that specific frequency components in the power signal pass through, and other frequency components are greatly attenuated, so as to improve the overall anti-electromagnetic interference ability.

[0033] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An anti-electromagnetic interference automotive cable harness, comprising an upper clamping plate (1), characterized in that: The inner wall of the upper clamping plate (1) is fixedly connected to an upper protective plate (2), the left and right sides of the upper clamping plate (1) are fixedly connected to upper connecting plates (3), the bottom end of the upper clamping plate (1) is movably mounted with a lower clamping plate (4), the inner wall of the lower clamping plate (4) is fixedly connected to a lower protective plate (5), the left and right sides of the lower clamping plate (4) are fixedly connected to lower connecting plates (6), the middle part of the lower connecting plate (6) is threadedly connected to a connecting bolt (7), the surface of the connecting bolt (7) is threadedly connected to a fixing nut (8), and the top end of the lower clamping plate (4) is movably mounted with a wiring harness assembly (9).

2. The anti-electromagnetic interference automotive cable harness according to claim 1, characterized in that: The bottom end of the upper clamping plate (1) and the top end of the lower clamping plate (4) are both provided with arc grooves, and the number of the arc grooves is provided to be three. The upper protective plate (2) and the lower protective plate (5) are located inside the arc grooves, and the connecting bolts (7) pass through the upper connecting plate (3) and the lower connecting plate (6) and are connected to the fixing nuts (8).

3. The anti-electromagnetic interference automotive cable harness according to claim 1, characterized in that: The number of the wiring harness assemblies (9) is set to three, and the three wiring harness assemblies (9) include an outer shell (901), an outer shielding layer (902) is movably installed inside the outer shell (901), a protective interlayer (903) is movably installed inside the outer shielding layer (902), a first inner shielding layer (904) is movably installed inside the protective interlayer (903), an inner support filler (905) is movably installed inside the first inner shielding layer (904), and a conductive wiring harness group (906) is movably installed inside the inner support filler (905).

4. The anti-electromagnetic interference automotive cable harness according to claim 3, characterized in that: The surface of the outer shell (901) is provided with a plurality of friction surfaces, the number of the conductive wire bundle groups (906) is provided in plurality, and the plurality of conductive wire bundle groups (906) are in a twisted structure.

5. The anti-electromagnetic interference automotive cable harness according to claim 1, characterized in that: The wiring harness assembly (9) also includes a second inner shielding layer (907) and a connecting plate (909), wherein the second inner shielding layer (907) is movably installed inside the protective barrier (903), a communication wiring harness group (908) is movably installed inside the second inner shielding layer (907), and the connecting plate (909) is fixedly connected to the surface of the outer shell (901).

6. The anti-electromagnetic interference automotive cable harness according to claim 5, characterized in that: A connecting guide plate (10) is provided at the bottom end of the connecting plate (909), a fastening bolt (11) is threadedly connected to the middle of the connecting guide plate (10), a protective frame (12) is threadedly connected to the bottom end of the fastening bolt (11), a filter (13) is fixedly connected to the back of the protective frame (12), and a connecting port (14) is fixedly connected to the back of the filter (13).

7. The anti-electromagnetic interference automotive cable harness according to claim 6, characterized in that: Three threaded holes are arranged in the middle of the connecting guide plate (10), and the number of the fastening bolts (11) corresponds to the number of the threaded holes. The fastening bolts (11) pass through the connecting plate (909), the connecting guide plate (10) and are threadedly connected to the protective frame (12). The number of the connecting ports (14) is three.

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