New energy automobile high-speed connecting wire harness
By designing a high-speed connecting wire harness with a combination structure of wiring board and wiring harness unit in new energy vehicles, and applying insulation, shielding, heat-resistant and wear-resistant coatings on the outside of the wiring harness unit, the high-speed data transmission line is easily subject to electromagnetic interference. The problem of signal transmission stability and reliability are achieved.
Patent Information
- Application Number
- CN202421327286.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The medium and high-speed data transmission lines of new energy vehicles are easily affected by the surrounding electromagnetic fields, resulting in unstable signal transmission, which in turn affects the car's ability to work normally in various environments.
A new energy vehicle high-speed connection wiring harness was designed, and a combination structure of wiring board and wiring harness unit was adopted. The wiring harness was stabilized and fixed by the combination of pins and fastening screws, and the outer side of the wiring harness unit was applied to insulation, shielding, heat resistance and resistance. Abrasive coatings are augmented to improve the stability of signal transmission.
Through this design, the stability and anti-interference ability of the wiring harness are improved, the reliability and stability of signal transmission in various environments are ensured, and signal distortion and interruption caused by electromagnetic interference are avoided.
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wire harness structures, in particular to a high-speed connection wire harness for new energy vehicles. Background Art
[0002] Automobile high-speed connection harness refers to the wire harness that connects the high-voltage battery, motor, charger, controller and other systems in new energy vehicles. These harnesses are mainly composed of wires, terminals and connectors, protective accessories, etc. There are two types of wires: power lines that carry power to drive actuators and signal lines that transmit sensor input commands. The characteristics of these harnesses are that they can maintain stable signal transmission and power supply under high-speed driving and complex road conditions. In general, automobile high-speed connection harnesses play an important role in the overall performance and safety of new energy vehicles, and are an indispensable part of the electrical system of new energy vehicles.
[0003] For example, in order to ensure the accuracy of sending and receiving signals, automobile electronic control systems often use high-speed data transmission lines, and refresh detection signals at high frequencies to improve the coordination ability of on-board microcomputers. The faster the signal passing through the data line, the more susceptible it is to the influence of the surrounding electromagnetic fields. At the same time, the car needs to ensure that it can work normally in various environments, which puts forward requirements for the stability of the wiring harness. Based on this, this solution provides a high-speed connection wiring harness for new energy vehicles to solve the above-mentioned problems. Utility Model Content
[0004] In order to solve the above technical problems, a high-speed connection wiring harness for new energy vehicles is provided. This technical solution solves the problem proposed in the above background technology that the faster the signal speed passing through the data line is, the more susceptible it is to the influence of the surrounding electromagnetic field. At the same time, the car needs to ensure that it can work normally in various environments, which puts forward requirements for the stability of the wiring harness.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A high-speed connection wiring harness for a new energy vehicle comprises a wiring harness unit, a wiring board 1 and a wiring board 2, wherein the wiring harness unit is arranged inside the wiring board 1 and the wiring board 2, the front end of the wiring board 1 is symmetrically provided with a plurality of groups of slots 1, the front end of the wiring board 2 is provided with slots 2 at corresponding positions, threaded holes are provided on both sides of the upper end of the wiring board 2, the threaded holes are connected with slots 2, a latch is slidably connected inside the slot 1, the rear end of the latch extends into the interior of the slot 2 through the slot 1, a positioning hole is provided on the surface of the latch, and when the latch completes entering the slot 2, the positioning hole and the threaded hole are coaxially arranged, a fastening screw is threadedly connected inside the threaded hole, the lower end of the fastening screw passes through the positioning hole and extends out, and a locking nut is threadedly connected to the lower end surface of the fastening screw.
[0007] Preferably, the wiring harness unit comprises a harness body, an insulating coating is provided on the outside of the harness body, a shielding coating is provided on the outside of the insulating coating, a heat-resistant coating is provided on the outside of the shielding coating, and a wear-resistant coating is provided on the outside of the heat-resistant coating.
[0008] Preferably, the material of the insulating coating is polytetrafluoroethylene (PTFE), and the material of the shielding coating is copper foil or aluminum foil.
[0009] Preferably, the material of the heat-resistant coating is silicone, and the material of the wear-resistant coating is polyurethane or epoxy.
[0010] Preferably, the end of the wiring board 1 close to the wiring board 2 is provided with a plurality of wire clamping grooves 1, and the end of the wiring board 2 close to the wiring board 1 is provided with a plurality of wire clamping grooves 2, and both the wire clamping grooves 1 and 2 match the surface of the wiring harness unit.
[0011] Preferably, both left and right ends of the second wiring board are fixedly connected with mounting plates, and a pair of mounting holes are symmetrically opened at the front end of the mounting plate.
[0012] Compared with the prior art, the utility model proposes a high-speed connection harness for new energy vehicles, which has the following features:
[0013] Beneficial effects:
[0014] 1. The utility model is provided with a wiring board 1 and a wiring board 2, and multiple wiring harness units are combed and fixed by the cooperation of the two wiring boards. The wiring board 2 is installed on the car through the mounting plate. The wiring board 1 is fixedly connected to the wiring board 2 by the cooperation of the latch and the fastening screw. At the same time, the fastening screw is provided with an anti-loosening nut to ensure the connection stability of the wiring board 1 and the wiring board 2 and prevent it from loosening, thereby ensuring the stability of the wiring harness unit.
[0015] 2. The outer side of the wiring harness unit in the utility model is coated with an insulating coating, a shielding coating, a heat-resistant coating and a wear-resistant coating: the insulating coating is made of polytetrafluoroethylene PTFE, which has excellent chemical stability, high temperature resistance, corrosion resistance and electrical insulation performance, and has the characteristics of low dielectric constant and low dielectric loss, and has little effect on the high-frequency transmission process; the shielding coating is made of copper foil or aluminum foil, which has good anti-interference ability, and avoids the influence of external environmental interference on signal transmission; the heat-resistant coating material is made of silicone, which has excellent high and low temperature resistance and chemical resistance, and is waterproof and oil-proof; the wear-resistant coating material is made of polyurethane or glue, which has good corrosion resistance and wear resistance, and protects the internal coatings intact, thereby ensuring that the wiring harness unit can maintain stable performance and reliability under various conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is an exploded schematic diagram of the connection structure of the wiring board 1 and the wiring board 2 in the utility model;
[0018] Figure 3 It is a structural schematic diagram of the wiring harness unit in the utility model.
[0019] The numbers in the figure are:
[0020] 1. Wire harness unit; 101. Wire harness body; 102. Insulation coating; 103. Shielding coating; 104. Heat-resistant coating; 105. Wear-resistant coating; 2. Wire arrangement board 1; 201. Wire trough 1; 202. Slot 1; 3. Wire arrangement board 2; 301. Wire trough 2; 302. Slot 2; 303. Threaded hole; 4. Mounting plate; 401. Mounting hole; 5. Pin; 501. Positioning hole; 6. Fastening screw; 7. Anti-loosening nut. DETAILED DESCRIPTION
[0021] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.
[0022] Reference Figure 1-3 As shown, a high-speed connection wiring harness for a new energy vehicle comprises a wiring harness unit 1, a wiring board 1 2 and a wiring board 2 3. The wiring harness unit 1 is arranged inside the wiring board 1 2 and the wiring board 2 3. The front end of the wiring board 1 2 is symmetrically provided with a plurality of groups of slots 1 202. The corresponding position of the front end of the wiring board 2 3 is provided with a slot 2 302. Both sides of the upper end of the wiring board 2 3 are provided with threaded holes 303, which are connected with the slot 2 302. The interior of the slot 1 202 is slidably connected with a plug 5, and the rear end of the plug 5 extends into the interior of the slot 2 302 through the slot 1 202. A positioning hole 501 is provided on the surface of the plug 5, and when the plug 5 completes entering the slot 2 302, the positioning hole 501 is coaxially arranged with the threaded hole 303. The interior of the threaded hole 303 is threadedly connected with a fastening screw 6, and the lower end of the fastening screw 6 passes through the positioning hole 501 and extends out, and the lower end surface of the fastening screw 6 is threadedly connected with a locking nut 7. The device is provided with a wiring board 1 2 and a wiring board 2 3. Multiple wiring harness units 1 are combed and fixed by the cooperation of the two wiring boards. The wiring board 2 3 is installed on the car through the mounting plate 4. The wiring board 1 2 is fixedly connected to the wiring board 2 3 through the cooperation of the latch 5 and the fastening screw 6. At the same time, the fastening screw 6 is provided with a locking nut 7 to ensure the connection stability of the wiring board 1 2 and the wiring board 2 3 and prevent them from loosening, thereby ensuring the stability of the wiring harness unit 1.
[0023] Specifically, in this embodiment, the wiring harness unit 1 includes a harness body 101, an insulating coating 102 is provided on the outside of the harness body 101, a shielding coating 103 is provided on the outside of the insulating coating 102, a heat-resistant coating 104 is provided on the outside of the shielding coating 103, and a wear-resistant coating 105 is provided on the outside of the heat-resistant coating 104.
[0024] Specifically, in this embodiment, the material of the insulating coating 102 is polytetrafluoroethylene (PTFE), and the material of the shielding coating 103 is copper foil or aluminum foil. The outer side of the wiring harness unit 1 is coated with an insulating coating 102, a shielding coating 103, a heat-resistant coating 104, and a wear-resistant coating 105: the material of the insulating coating 102 is polytetrafluoroethylene (PTFE), which has excellent chemical stability, high temperature resistance, corrosion resistance, and electrical insulation performance, and has the characteristics of low dielectric constant and low dielectric loss, and has little effect on the high-frequency transmission process; the shielding coating 103 is made of copper foil or aluminum foil, which has good anti-interference ability, avoiding the influence of external environmental interference on signal transmission;
[0025] Specifically, in this embodiment, the material of the heat-resistant coating 104 is silicone, and the material of the wear-resistant coating 105 is polyurethane or epoxy. The heat-resistant coating 104 is made of silicone, which has excellent high and low temperature resistance and chemical resistance, and is waterproof and oil-proof; the wear-resistant coating material 105 is made of polyurethane or epoxy, which has good corrosion resistance and wear resistance, and protects the internal coatings intact, thereby ensuring that the wiring harness unit can maintain stable performance and reliability under various conditions.
[0026] Specifically, in this embodiment, a plurality of sets of first wire grooves 201 are provided at one end of wiring board 1 2 close to wiring board 2 3 , and a plurality of sets of second wire grooves 301 are provided at one end of wiring board 2 close to wiring board 1 2 . Both the first wire grooves 201 and the second wire grooves 301 match the surface of the wiring harness unit 1 .
[0027] Specifically, in this embodiment, both left and right ends of the second wiring board 3 are fixedly connected with the mounting plate 4 , and a pair of mounting holes 401 are symmetrically opened at the front end of the mounting plate 4 .
[0028] The working principle of the utility model is: the wiring harness unit 1 is placed in the wiring board 1 2 and the wiring board 2 3, the wiring board 2 3 is installed on the car through the mounting plate 4, the wiring board 1 2 is fixedly connected with the wiring board 2 3 through the cooperation of the latch 5 and the fastening screw 6, so that multiple wiring harness units 1 are combed and fixed by the cooperation of the two wiring boards, and the fastening screw 6 is provided with a locking nut 7 to ensure the connection stability of the wiring board 1 2 and the wiring board 2 3 and prevent it from loosening, thereby ensuring the stability of the wiring harness unit 1.
[0029] The outside of the wiring harness unit 1 is coated with an insulating coating 102, a shielding coating 103, a heat-resistant coating 104 and a wear-resistant coating 105: the insulating coating 102 is made of polytetrafluoroethylene PTFE, which has excellent chemical stability, high temperature resistance, corrosion resistance and electrical insulation performance, and has the characteristics of low dielectric constant and low dielectric loss, and has little effect on the high-frequency transmission process; the shielding coating 103 is made of copper foil or aluminum foil, which has good anti-interference ability, and avoids the influence of external environmental interference on signal transmission; the heat-resistant coating 104 is made of silicone, which has excellent high and low temperature resistance and chemical resistance, and is waterproof and oil-proof; the wear-resistant coating material 105 is made of polyurethane or glue, which has good corrosion resistance and wear resistance, and protects the internal coatings intact, thereby ensuring that the wiring harness unit can maintain stable performance and reliability under various conditions.
[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A high-speed connection harness for new energy vehicles, characterized in that: The invention comprises a wiring harness unit (1), a wiring board 1 (2) and a wiring board 2 (3), wherein the wiring harness unit (1) is arranged inside the wiring board 1 (2) and the wiring board 2 (3), the front end of the wiring board 1 (2) is symmetrically provided with a plurality of groups of slots 1 (202), the front end of the wiring board 2 (3) is provided with a slot 2 (302) at a corresponding position, the upper end of the wiring board 2 (3) is provided with threaded holes (303) on both sides, the threaded holes (303) are connected to the slots 2 (302), the slots 1 (202) are slidably connected to the inside with a latch (5), and the The rear end of the latch (5) extends into the interior of the second slot (302) through the first slot (202), a positioning hole (501) is provided on the surface of the latch (5), and when the latch (5) has completed entering the second slot (302), the positioning hole (501) is coaxially arranged with the threaded hole (303), the internal thread of the threaded hole (303) is connected with a fastening screw (6), the lower end of the fastening screw (6) passes through the positioning hole (501) and extends out, and the lower end surface of the fastening screw (6) is threadedly connected with a locking nut (7).
2. A high-speed connection harness for new energy vehicles according to claim 1, characterized in that: The wiring harness unit (1) comprises a harness body (101), an insulating coating (102) is arranged on the outside of the harness body (101), a shielding coating (103) is arranged on the outside of the insulating coating (102), a heat-resistant coating (104) is arranged on the outside of the shielding coating (103), and a wear-resistant coating (105) is arranged on the outside of the heat-resistant coating (104).
3. A high-speed connection harness for new energy vehicles according to claim 2, characterized in that: The material of the insulating coating (102) is polytetrafluoroethylene (PTFE), and the material of the shielding coating (103) is copper foil or aluminum foil.
4. A high-speed connection harness for new energy vehicles according to claim 2, characterized in that: The material of the heat-resistant coating (104) is silica gel, and the material of the wear-resistant coating (105) is polyurethane or epoxy.
5. A high-speed connection harness for new energy vehicles according to claim 1, characterized in that: The first wiring board (2) is provided with a plurality of first wiring slots (201) at one end close to the second wiring board (3), and the second wiring board (3) is provided with a plurality of second wiring slots (301) at one end close to the first wiring board (2). Both the first wiring slots (201) and the second wiring slots (301) match the surface of the wiring harness unit (1).
6. A high-speed connection harness for new energy vehicles according to claim 1, characterized in that: The left and right ends of the second wiring board (3) are fixedly connected to a mounting plate (4), and a pair of mounting holes (401) are symmetrically opened at the front end of the mounting plate (4).