Special high-temperature-resistant electronic wire for automobile sensor

Abstract

The utility model discloses a special high-temperature-resistant electronic wire for an automobile sensor, and relates to the field of electronic wires, the special high-temperature-resistant electronic wire comprises a flame-retardant wire harness tube, a wire clamping frame is arranged in the flame-retardant wire harness tube, a wire groove and a wire hole are formed in the surface of the wire clamping frame, and the inner wall of the wire groove and the inner wall of the wire hole are both slidably connected with wire cores; the outer side of the wire clamping frame is sleeved with a sealing insulating cylinder, the outer side of the sealing insulating cylinder is sleeved with an anti-cracking net pipe, and the anti-cracking net pipe is located on the inner side of the flame-retardant wire harness pipe. The cable cores are arranged in order through the wire grooves and the wire holes in the wire clamping frame, winding interference is avoided, the high temperature resistance is achieved, graphene particles filled between the anti-cracking net pipe and the flame-retardant wire harness pipe rapidly dissipate heat, the flame-retardant wire harness pipe made of the glass fiber material bears the high temperature, the anti-cracking net pipe made of the polyamide fiber material enhances the stability, and the protection effect is good. The sealing insulating cylinder prevents electrical short circuit and impurity invasion, the service life is prolonged, and the rubber elastic piece between the anti-cracking net pipe and the sealing insulating cylinder absorbs vibration energy.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic wire technical field, especially a kind of high-temperature-resistant electronic wire special for automobile sensor. BACKGROUND

[0002] With the rapid development of automobile industry, the degree of intelligence and automation of automobile is continuously improved, and automobile sensor plays a more and more key role in vehicle operation. The automobile sensor is used to monitor the operating parameters of each key part such as engine, transmission, brake system and tire, and provides accurate data support for the electronic control system of the vehicle to ensure the safe and efficient operation of the vehicle.

[0003] However, the working environment in the engine compartment, brake system and other areas of the automobile is extremely harsh, with a temperature as high as 150-200℃ or even higher. Under such high temperature conditions, the traditional electronic wire faces many challenges. On the one hand, the insulation material of ordinary electronic wire is prone to aging and deformation under high temperature, which leads to a decrease in insulation performance, causing short circuit, open circuit and other faults, affecting the accurate transmission of sensor signals, and further interfering with the normal operation of the automobile electronic control system, which may even endanger the safety of driving. On the other hand, high temperature can accelerate the oxidation and corrosion of the wire core material, reduce the mechanical strength and electrical conductivity of the electronic wire, shorten the service life of the electronic wire, and increase the maintenance cost and failure rate of the automobile.

[0004] In addition, the automobile will inevitably vibrate and jolt during driving, which also puts high requirements on the fatigue resistance and crack resistance of the electronic wire. The existing electronic wire is difficult to meet the strict requirements of electrical performance stability, mechanical performance reliability and anti-interference ability in high temperature environment. Therefore, it is of great practical significance and urgency to develop a high-temperature-resistant electronic wire special for automobile sensor. SUMMARY

[0005] (I) Technical problem solved

[0006] In view of the above problems existing in the prior art, the utility model provides a high-temperature-resistant electronic wire special for automobile sensor.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model is implemented by the following technical scheme: a high-temperature-resistant electronic wire special for automobile sensor, comprising a flame-retardant wire harness tube, a wire holder is arranged inside the flame-retardant wire harness tube, a wire slot and a wire hole are formed on the surface of the wire holder, and a wire core is slidably connected to the inner wall of the wire slot and the wire hole.

[0009] As a preferred scheme of the automobile sensor special high-temperature-resistant electronic wire, the outer side of the wire clamping frame is sleeved with a sealed insulation cylinder, and the outer side of the sealed insulation cylinder is sleeved with an anti-cracking mesh pipe.

[0010] As a preferred scheme of the automobile sensor special high-temperature-resistant electronic wire, the anti-cracking mesh pipe is located on the inner side of the flame-retardant wire harness pipe, and heat-absorbing material is filled between the anti-cracking mesh pipe and the flame-retardant wire harness pipe, and the heat-absorbing material is graphene particles.

[0011] As a preferred scheme of the automobile sensor special high-temperature-resistant electronic wire, the number of the wire grooves is six groups, and the wire grooves are circumferentially arranged on the outer side of the wire clamping frame.

[0012] As a preferred scheme of the automobile sensor special high-temperature-resistant electronic wire, an elastic element is arranged between the anti-cracking mesh pipe and the sealed insulation cylinder, the elastic element is provided in plurality, and is uniformly distributed on the surface of the sealed insulation cylinder.

[0013] As a preferred scheme of the automobile sensor special high-temperature-resistant electronic wire, the material of the elastic element is rubber, and the cross section of the elastic element is in the shape of X.

[0014] As a preferred scheme of the automobile sensor special high-temperature-resistant electronic wire, the material of the flame-retardant wire harness pipe is glass fiber, and the material of the anti-cracking mesh pipe is polyamide fiber.

[0015] (Three) beneficial effects

[0016] The utility model provides a kind of automobile sensor special high-temperature-resistant electronic wire. It has the following beneficial effects:

[0017] 1, by wire core through the wire groove and wire hole on wire clamping frame orderly arrangement, avoid winding interference, high temperature resistance, anti-cracking mesh pipe and flame-retardant wire harness pipe filled graphene particles rapid heat dissipation, glass fiber material flame-retardant wire harness pipe withstands high temperature, polyamide fiber material anti-cracking mesh pipe enhances stability, protection, sealed insulation cylinder prevents electrical short circuit and impurity invasion, prolongs service life;Rubber elastic element between anti-cracking mesh pipe and sealed insulation cylinder absorbs vibration energy, protects inside;Flame-retardant wire harness pipe stops flame spread when encountering fire, all-around guarantee electronic wire stable work in complex environment, meet the work demand of automobile sensor. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the following embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the premise of not paying creative effort.

[0019] Figure 1 is the overall structural schematic view of the present application;

[0020] Figure 2 is the side view structural schematic view of the present application Figure 1 ;

[0021] Figure 3 is the structural schematic view of the anti-cracking net pipe in the present application;

[0022] Figure 4 is the structural schematic view of the elastic member in the present application;

[0023] Figure 5 is the structural schematic view of the wire clamping frame in the present application.

[0024] In the figure, 1, flame-retardant wire harness pipe; 2, anti-cracking net pipe; 3, heat-absorbing material; 4, sealed insulation cylinder; 5, wire clamping frame; 6, wire core; 7, elastic member; 8, wire groove; 9, wire hole. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application.

[0026] Referring to Figures 1-5 , the present application provides a technical scheme: a kind of high temperature resistant electronic wire special for automobile sensor, including flame-retardant wire harness pipe 1, the inside of flame-retardant wire harness pipe 1 is provided with wire clamping frame 5, wire clamping frame 5 surface is provided with wire groove 8 and wire hole 9, the inner wall of wire groove 8 and wire hole 9 is slidably connected with wire core 6, by wire clamping frame 5 surface is provided with wire groove 8 and wire hole 9, and wire groove 8 has six groups and is arranged in circumferential array on the outside of wire clamping frame 5, wire core 6 can be slidably connected in it respectively through wire groove 8 and wire hole 9, so that wire core 6 can be orderly arranged, avoid mutual entanglement, reduce signal interference, ensure the stability and accuracy of electronic wire transmission signal.

[0027] Referring to Figure 2 , Figure 3 and Figure 5As shown, in the embodiment: the outer side of the wire card frame 5 is sleeved with a sealing insulation cylinder 4, and the outer side of the sealing insulation cylinder 4 is sleeved with a crack-resistant mesh pipe 2. The sealing insulation cylinder 4 sleeved on the outer side of the wire card frame 5 can effectively prevent electrical short circuit between the wire cores 6 and between the wire cores 6 and the outside world, improve the safety of use, and at the same time can play a certain sealing effect, prevent impurities such as dust and moisture from entering the inside of the wire card frame 5, cause erosion and damage to the wire cores 6, thereby prolonging the service life of the electronic wire, and the crack-resistant mesh pipe 2 is located on the inner side of the flame-retardant wire harness pipe 1, and the crack-resistant mesh pipe 2 and the flame-retardant wire harness pipe 1 are filled with heat-absorbing material 3, the heat-absorbing material 3 is graphene particles, the number of wire grooves 8 is six groups, and the wire grooves 8 are circumferentially arranged on the outer side of the wire card frame 5. By arranging the crack-resistant mesh pipe 2, the crack-resistant mesh pipe 2 has good crack resistance due to its own characteristics, can effectively resist the pipe cracking problem caused by factors such as temperature change and vibration, and ensure the integrity of the electronic wire structure. At the same time, the graphene particles filled between the crack-resistant mesh pipe 2 and the flame-retardant wire harness pipe 1 can quickly absorb the heat generated during the operation of the electronic wire and dissipate it, effectively reducing the temperature of the electronic wire, avoiding problems such as aging of the wire cores 6 and reduction of insulation performance caused by high temperature, and improving the reliability and service life of the electronic wire.

[0028] Referring to Figure 2 and Figure 4 As shown, in particular: the crack-resistant mesh pipe 2 and the sealing insulation cylinder 4 are provided with elastic members 7, the elastic members 7 are provided in multiple numbers and are uniformly distributed on the surface of the sealing insulation cylinder 4, the material of the elastic members 7 is rubber, and the cross section of the elastic members 7 is in the shape of "X", the material of the flame-retardant wire harness pipe 1 is glass fiber, and the material of the crack-resistant mesh pipe 2 is polyamide fiber. The multiple elastic members 7 uniformly distributed on the surface of the sealing insulation cylinder 4 can play a role in buffering and shock absorption. The car will vibrate during driving, and the elastic members 7 can absorb and disperse these vibration energies, reduce the influence of vibration on the internal structure of the electronic wire, and protect the wire cores 6 and the sealing insulation cylinder 4 from being damaged.

[0029] Working principle, through the core 6 as the core carrier of signal transmission, relying on the line card frame 5 on the line slot 8 and line hole 9, orderly arrangement, to avoid mutual entanglement and interference, so that the signal accurate, stable transmission to the electronic control unit of the car, in the high temperature, the graphite particles filled between the anti-cracking net pipe 2 and the flame-retardant wire harness pipe 1, make use of its excellent thermal conductivity, quickly absorb the heat generated by electronic line work and high efficiency, effectively reduce the temperature of electronic line, prevent the aging of wire core 6 and reduce the insulation performance, the flame-retardant wire harness pipe 1 of glass fiber material has excellent high temperature resistance, can withstand the test of high temperature environment, provide a solid protection barrier for the internal structure, the anti-cracking net pipe 2 of polyamide fiber material not only has excellent crack resistance, but also can resist a certain degree of high temperature, further improve the stability of electronic line in high temperature environment; In the protection aspect, the sealing insulation cylinder 4 is sleeved outside the line card frame 5, which can prevent the electrical short circuit between the wire core 6 and the outside, and prevent the erosion of impurities such as dust and moisture to the wire core 6, prolong the service life of electronic line, the evenly distributed rubber elastic piece 7 between the anti-cracking net pipe 2 and the sealing insulation cylinder 4 can effectively absorb and disperse the vibration energy when the car is running, protect the wire core 6 and the sealing insulation cylinder 4 from being damaged, in addition, the flame-retardant performance of the flame-retardant wire harness pipe 1 can prevent the spread of flame and reduce the risk of electronic line combustion when encountering fire and other accidents.

[0030] It should be noted that in this paper, such as first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations.

Claims

1. A high-temperature resistant electronic wire for automotive sensors, comprising a flame-retardant wire harness (1), characterized in that: The flame-retardant wire harness tube (1) is provided with a wire clip (5) inside. The surface of the wire clip (5) is provided with a wire groove (8) and a wire hole (9). The inner walls of the wire groove (8) and the wire hole (9) are slidably connected with wire cores (6).

2. The high-temperature resistant electronic wire for automotive sensors according to claim 1, characterized in that: The outer side of the wire clip holder (5) is fitted with a sealing insulating cylinder (4), and the outer side of the sealing insulating cylinder (4) is fitted with a crack-resistant mesh tube (2).

3. The high-temperature resistant electronic wire for automotive sensors according to claim 2, characterized in that: The crack-resistant mesh tube (2) is located inside the flame-retardant wire harness tube (1), and a heat-absorbing material (3) is filled between the crack-resistant mesh tube (2) and the flame-retardant wire harness tube (1). The heat-absorbing material (3) is graphene particles.

4. The high-temperature resistant electronic wire for automotive sensors according to claim 1, characterized in that: The number of the wire grooves (8) is set to six groups, and the circumferential array is arranged on the outside of the wire card holder (5).

5. The high-temperature resistant electronic wire for automotive sensors according to claim 2, characterized in that: An elastic element (7) is provided between the anti-crack mesh tube (2) and the sealing insulation cylinder (4). The elastic element (7) is provided in multiple forms and is evenly distributed on the surface of the sealing insulation cylinder (4).

6. The high-temperature resistant electronic wire for automotive sensors according to claim 5, characterized in that: The elastic element (7) is made of rubber, and the cross-section of the elastic element (7) is "X".

7. The high-temperature resistant electronic wire for automotive sensors according to claim 2, characterized in that: The flame-retardant wire harness tube (1) is made of glass fiber, and the crack-resistant mesh tube (2) is made of polyamide fiber.

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