FFC automobile wire harness
By adopting the design of FFC flexible flat cable and signal control unit, the installation and maintenance problems of traditional automotive wiring harnesses in complex environments are solved, achieving efficient and stable signal transmission, reducing installation difficulty, and improving the reliability and durability of automotive wiring harnesses.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-04-07
AI Technical Summary
Traditional automotive wiring harnesses present problems such as installation difficulties, large space occupation, and inconvenient maintenance in the complex and ever-changing automotive environment.
Using FFC flexible flat cable as the conductor, the signal transmission cable and connection port are designed, combined with the signal control unit, including the main cable control unit, branch cable control unit and sensor control unit, to achieve stable signal transmission and distribution.
It improves the reliability and durability of the wiring harness, reduces installation difficulty and maintenance costs, adapts to the complex wiring environment inside the car, and ensures the stability and accuracy of signal transmission.
Smart Images

Figure CN224096403U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile wiring harness, and relates to a FFC automobile wiring harness. BACKGROUND
[0002] With the continuous improvement of the degree of automobile electrification, the performance and reliability requirements of automobile wiring harness as an important part of automobile electrical system are also higher and higher. The traditional automobile wiring harness mostly adopts round copper wire or flat copper wire as the conductor, and is then wrapped with insulation material and outer skin to be made. However, such traditional wiring harness often has problems such as difficult installation, large space occupation, inconvenient maintenance and the like in the complex and changeable automobile environment.
[0003] FFC, i.e. flexible flat cable, has the characteristics of lightness, softness, bendability and the like, and can effectively solve the problems existing in the traditional wiring harness. Therefore, the utility model provides a FFC automobile wiring harness, aiming to provide an automobile wiring harness solution with convenient installation, small space occupation and convenient maintenance. SUMMARY
[0004] The utility model aims at the above problems, and provides a FFC automobile wiring harness.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a FFC automobile wiring harness, comprising a signal transmission cable, a connection port and a signal control unit, characterized in that one end of the signal transmission cable is connected with the connection port respectively, the signal control unit is located on the signal transmission cable, the signal transmission cable comprises a first signal lead wire, a second signal lead wire, a third signal lead wire, a fourth signal lead wire, a fifth signal lead wire, a sixth signal lead wire and a seventh signal lead wire, the connection port comprises a cockpit wiring harness butt joint port, a first sensor terminal crimping interface, a second sensor terminal crimping interface, a third sensor terminal crimping interface and a fourth sensor terminal crimping interface, and the first signal lead wire, the second signal lead wire, the third signal lead wire, the fourth signal lead wire, the fifth signal lead wire, the sixth signal lead wire and the seventh signal lead wire all adopt FFC flexible flat cable.
[0006] In the above-mentioned FFC automobile wiring harness, the output end of the first signal lead wire is connected with the second signal lead wire and the third signal lead wire through the control unit respectively, and the input end of the first signal lead wire is connected with the cockpit wiring harness butt joint port.
[0007] In the above-mentioned FFC automobile wiring harness, the output end of the second signal lead wire is connected with the fourth signal lead wire and the fifth signal lead wire through the control unit respectively, the input end of the fourth signal lead wire is connected with the first sensor terminal crimping interface, and the input end of the fifth signal lead wire is connected with the second sensor terminal crimping interface.
[0008] In the aforementioned FFC automotive wiring harness, the output end of the third signal wire is connected to the sixth and seventh signal wires via the control unit, the input end of the sixth signal wire is connected to the third sensor terminal voltage interface, and the input end of the seventh signal wire is connected to the fourth sensor terminal voltage interface.
[0009] In the aforementioned FFC automotive wiring harness, the signal control unit includes a main cable control unit, a branch cable control unit, and a sensor control unit.
[0010] In the aforementioned FFC automotive wiring harness, one end of the cockpit wiring harness docking port is connected to the main cable control unit, and the two ends of the main cable control unit are connected to the second signal wire and the third signal wire, respectively.
[0011] In the aforementioned FFC automotive wiring harness, the branch cable control unit is located on the second signal wire and the third signal wire, respectively, and the output end of the second signal wire is connected to the fourth signal wire and the fifth signal wire through the branch cable control unit.
[0012] In the aforementioned FFC automotive wiring harness, the output end of the third signal wire is connected to the sixth and seventh signal wires via a branch cable control unit.
[0013] In the aforementioned FFC automotive wiring harness, the sensor control unit is located on the fourth signal wire, the fifth signal wire, the sixth signal wire, and the seventh signal wire, respectively.
[0014] In the aforementioned FFC automotive wiring harness, the first signal wire is a 0.1mm 10-strand ribbon cable, the second and third signal wires are 0.1mm 5-strand ribbon cables, the fourth and sixth signal wires are 0.1mm 2-strand ribbon cables, and the fifth and seventh signal wires are 0.1mm 3-strand ribbon cables.
[0015] Compared with existing technologies, the advantages of this utility model are:
[0016] 1. This utility model greatly improves the reliability and durability of the wire harness by using FFC flexible flat cable instead of traditional wires. FFC flexible flat cable has the characteristics of compact structure, stable signal transmission, and strong anti-interference ability, which can effectively reduce the problems caused by loose or poor contact of traditional wires.
[0017] 2. The FFC flexible flat cable of this invention also possesses excellent flexibility and bending properties, enabling it to adapt to the complex and ever-changing wiring environment inside automobiles, thus reducing installation difficulty and maintenance costs. Therefore, the FFC automotive wiring harness of this invention has broad application prospects in the automotive manufacturing field.
[0018] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0020] Figure 2 This is a schematic diagram of the structure from another perspective of this utility model.
[0021] Figure 3 This is a schematic diagram of the structure of this utility model viewed from below.
[0022] Figure 4 This is a utility model Figure 3 Enlarged structural diagram at point A in the middle.
[0023] In the diagram: 1. First signal wire; 2. Second signal wire; 3. Third signal wire; 4. Fourth signal wire; 5. Fifth signal wire; 6. Sixth signal wire; 7. Seventh signal wire; 8. Cockpit wiring harness docking port; 9. First sensor terminal crimp interface; 10. Second sensor terminal crimp interface; 11. Third sensor terminal crimp interface; 12. Fourth sensor terminal crimp interface; 13. Main cable control unit; 14. Branch cable control unit; 15. Sensor control unit. Detailed Implementation
[0024] The present invention will be further described below with reference to the accompanying drawings.
[0025] like Figures 1-4 As shown, an FFC automotive wiring harness includes a signal transmission cable, a connection port, and a signal control unit. One end of the signal transmission cable is connected to the connection port. The signal control unit is located on the signal transmission cable. The signal transmission cable includes a first signal wire 1, a second signal wire 2, a third signal wire 3, a fourth signal wire 4, a fifth signal wire 5, a sixth signal wire 6, and a seventh signal wire 7. The connection port includes a cockpit wiring harness docking port 8, a first sensor terminal crimp interface 9, a second sensor terminal crimp interface 10, a third sensor terminal crimp interface 11, and a fourth sensor terminal crimp interface 12. The first signal wire 1, the second signal wire 2, the third signal wire 3, the fourth signal wire 4, the fifth signal wire 5, the sixth signal wire 6, and the seventh signal wire 7 are all FFC flexible flat cables.
[0026] Furthermore, the output end of the first signal wire 1 is connected to the second signal wire 2 and the third signal wire 3 through the control unit, and the input end of the first signal wire 1 is connected to the cockpit wiring harness docking port 8.
[0027] In this embodiment, the signal enters the first signal wire 1 through the cockpit wiring harness docking port 8. The first signal wire 1 serves as the main line, transmitting the signal to the second signal wire 2 and the third signal wire 3.
[0028] Furthermore, the output end of the second signal wire 2 is connected to the fourth signal wire 4 and the fifth signal wire 5 through the control unit, respectively. The input end of the fourth signal wire 4 is connected to the first sensor terminal crimp interface 9, and the input end of the fifth signal wire 5 is connected to the second sensor terminal crimp interface 10.
[0029] In this embodiment, the second signal wire 2 and the third signal wire 3 serve as branches, respectively transmitting the signal to the fourth signal wire 4, the fifth signal wire 5, the sixth signal wire 6, and the seventh signal wire 7.
[0030] Furthermore, the output terminal of the third signal wire 3 is connected to the sixth signal wire 6 and the seventh signal wire 7 respectively through the control unit. The input terminal of the sixth signal wire 6 is connected to the third sensor terminal voltage interface 11, and the input terminal of the seventh signal wire 7 is connected to the fourth sensor terminal voltage interface 12.
[0031] Furthermore, the signal control unit includes a main cable control unit 13, a branch cable control unit 14, and a sensor control unit 15.
[0032] In this embodiment, the sensor control unit 15 is responsible for receiving and processing signals from the sensors, converting them into information that can be used for vehicle system control and monitoring.
[0033] Furthermore, one end of the cockpit wiring harness docking port 8 is connected to the main cable control unit 13, and the two ends of the main cable control unit 13 are respectively connected to the second signal wire 2 and the third signal wire 3.
[0034] In this embodiment, the main cable control unit 13 is responsible for coordinating and managing the signal transmission of the entire cable harness to ensure signal stability and accuracy.
[0035] Furthermore, the branch cable control unit 14 is located on the second signal wire 2 and the third signal wire 3 respectively, and the output end of the second signal wire 2 is connected to the fourth signal wire 4 and the fifth signal wire 5 through the branch cable control unit 14.
[0036] Specifically, the output end of the third signal wire 3 is connected to the sixth signal wire 6 and the seventh signal wire 7 through the branch cable control unit 14.
[0037] In this embodiment, the branch cable control unit 14 is responsible for the signal transmission and control on its respective branch cable, ensuring that the signal can reach each sensor smoothly.
[0038] Furthermore, the sensor control unit 15 is located on the fourth signal wire 4, the fifth signal wire 5, the sixth signal wire 6, and the seventh signal wire 7, respectively.
[0039] Furthermore, the first signal wire 1 is a 0.1mm 10-strand ribbon cable, the second signal wire 2 and the third signal wire 3 are 0.1mm 5-strand ribbon cables, the fourth signal wire 4 and the sixth signal wire 6 are 0.1mm 2-strand ribbon cables, and the fifth signal wire 5 and the seventh signal wire 7 are 0.1mm 3-strand ribbon cables.
[0040] In this embodiment, the first signal conductor 1 of the 0.1mm 10-strand ribbon cable serves as the primary signal channel, carrying a large information flow and ensuring stable transmission of the core signal. The second and third signal conductors 2 and 3 of the 0.1mm 5-strand ribbon cable serve as auxiliary signal channels, responsible for transmitting relatively minor but equally important information. The fourth and sixth signal conductors 4 and 6 of the 0.1mm 2-strand ribbon cable, and the fifth and seventh signal conductors 5 and 7 of the 0.1mm 3-strand ribbon cable, are used to allocate signals according to the specific needs of the sensor or device.
[0041] The working principle of this utility model is as follows:
[0042] In use, the signal enters the first signal conductor 1 through the cockpit wiring harness docking port 8. The first signal conductor 1 serves as the main line, transmitting the signal to the second signal conductor 2 and the third signal conductor 3. The second signal conductor 2 and the third signal conductor 3 serve as branch lines, further transmitting the signal to the fourth signal conductor 4, the fifth signal conductor 5, the sixth signal conductor 6, and the seventh signal conductor 7, respectively. These branch lines connect to the corresponding sensors through their respective sensor terminal voltage interfaces, realizing signal reception and transmission.
[0043] During signal transmission, the main cable control unit 13 coordinates and manages the signal transmission of the entire wiring harness, ensuring signal stability and accuracy. The branch cable control units 14 are responsible for the signal transmission and control on their respective branches, ensuring signals reach each sensor smoothly. The sensor control unit 15 receives and processes signals from the sensors, converting them into information usable for vehicle system control and monitoring.
[0044] The FFC automotive wiring harness of this invention enables efficient and stable signal transmission, improving the reliability and safety of automotive systems. Simultaneously, the use of FFC flexible flat cables gives the harness better flexibility and bending performance, allowing it to adapt to the complex and varied wiring environment inside automobiles, reducing installation difficulty and maintenance costs.
[0045] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model.
[0046] Although this document frequently uses terms such as 1. first signal wire; 2. second signal wire; 3. third signal wire; 4. fourth signal wire; 5. fifth signal wire; 6. sixth signal wire; 7. seventh signal wire; 8. cockpit wiring harness docking port; 9. first sensor terminal crimp interface; 10. second sensor terminal crimp interface; 11. third sensor terminal crimp interface; 12. fourth sensor terminal crimp interface; 13. main cable control unit; 14. branch cable control unit; 15. sensor control unit, etc., the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.
Claims
1. An FFC automotive wiring harness, comprising a signal transmission cable, a connection port, and a signal control unit, characterized in that, One end of the signal transmission cable is connected to the connection port. The signal control unit is located on the signal transmission cable. The signal transmission cable includes a first signal wire (1), a second signal wire (2), a third signal wire (3), a fourth signal wire (4), a fifth signal wire (5), a sixth signal wire (6), and a seventh signal wire (7). The connection port includes a cockpit wiring harness docking port (8), a first sensor terminal crimp interface (9), a second sensor terminal crimp interface (10), a third sensor terminal crimp interface (11), and a fourth sensor terminal crimp interface (12). The first signal wire (1), the second signal wire (2), the third signal wire (3), the fourth signal wire (4), the fifth signal wire (5), the sixth signal wire (6), and the seventh signal wire (7) are all FFC flexible flat cables.
2. The FFC automotive wiring harness according to claim 1, characterized in that, The output end of the first signal wire (1) is connected to the second signal wire (2) and the third signal wire (3) through the control unit, and the input end of the first signal wire (1) is connected to the cockpit wiring harness docking port (8).
3. The FFC automotive wiring harness according to claim 2, characterized in that, The output end of the second signal wire (2) is connected to the fourth signal wire (4) and the fifth signal wire (5) through the control unit, respectively. The input end of the fourth signal wire (4) is connected to the first sensor terminal voltage interface (9), and the input end of the fifth signal wire (5) is connected to the second sensor terminal voltage interface (10).
4. The FFC automotive wiring harness according to claim 3, characterized in that, The output end of the third signal wire (3) is connected to the sixth signal wire (6) and the seventh signal wire (7) through the control unit, respectively. The input end of the sixth signal wire (6) is connected to the third sensor terminal voltage interface (11), and the input end of the seventh signal wire (7) is connected to the fourth sensor terminal voltage interface (12).
5. The FFC automotive wiring harness according to claim 4, characterized in that, The signal control unit includes a main cable control unit (13), a branch cable control unit (14), and a sensor control unit (15).
6. The FFC automotive wiring harness according to claim 5, characterized in that, One end of the cockpit wiring harness docking port (8) is connected to the main cable control unit (13), and the two ends of the main cable control unit (13) are connected to the second signal wire (2) and the third signal wire (3) respectively.
7. The FFC automotive wiring harness according to claim 6, characterized in that, The branch cable control unit (14) is located on the second signal wire (2) and the third signal wire (3) respectively. The output end of the second signal wire (2) is connected to the fourth signal wire (4) and the fifth signal wire (5) through the branch cable control unit (14).
8. The FFC automotive wiring harness according to claim 7, characterized in that, The output end of the third signal wire (3) is connected to the sixth signal wire (6) and the seventh signal wire (7) through the branch cable control unit (14).
9. The FFC automotive wiring harness according to claim 8, characterized in that, The sensor control unit (15) is located on the fourth signal wire (4), the fifth signal wire (5), the sixth signal wire (6), and the seventh signal wire (7), respectively.
10. An FFC automotive wiring harness according to claim 9, characterized in that, The first signal wire (1) is a 0.1mm 10-strand ribbon cable, the second signal wire (2) and the third signal wire (3) are 0.1mm 5-strand ribbon cables, the fourth signal wire (4) and the sixth signal wire (6) are 0.1mm 2-strand ribbon cables, and the fifth signal wire (5) and the seventh signal wire (7) are 0.1mm 3-strand ribbon cables.