阅读说明：本技术 一种适用于电动汽车的耐高温防火安全监测型线束 (High temperature resistant fire prevention safety monitoring type pencil suitable for electric automobile ) 是由 徐国举 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种适用于电动汽车的耐高温防火安全监测型线束,首先通过监测气囊套和气压检测传感器配合,能实时检测监测气囊套的气压,若气压异常,借助A/D转换器的作用,能够向电动汽车发生报警,利于驾驶人员的及时掌握和检修处理,通过上述,能够有效避免线束损坏导电后引起电动汽车火灾的问题,其次温度检测环能够进行温度检测,当温度超过设定值标准后向A/D转换器发送高电平信号,即利于A/D转换器向电动汽车发生报警,利于驾驶人员的及时掌握和检修处理,通过上述,能够在线束高温异常后方便驾驶人员迅速知晓,便于判断状况,最后热塑管是为了包裹在监测组件外壁,耐高温层能够大幅提高耐高温性,增强线束使用寿命和安全性。(The invention discloses a high-temperature-resistant fireproof safety monitoring type wire harness suitable for an electric automobile, which can detect the air pressure of a monitoring air bag sleeve in real time by matching the monitoring air bag sleeve with an air pressure detection sensor, can give an alarm to the electric automobile by the aid of an A/D converter if the air pressure is abnormal, is beneficial to timely grasping and overhauling treatment of a driver, can effectively avoid the problem of fire of the electric automobile caused by damage and conduction of the wire harness, can detect the temperature by a temperature detection ring, sends a high-level signal to the A/D converter after the temperature exceeds a set value standard, is beneficial to the A/D converter to give an alarm to the electric automobile, is beneficial to timely grasping and overhauling treatment of the driver, can be conveniently and quickly known by the driver after the high-temperature abnormality of the wire harness, is convenient to judge conditions, and finally, the thermoplastic pipe is wrapped on the outer wall of the monitoring assembly, and the high-temperature resistant layer can greatly improve the high-temperature resistance and enhance the service life and the safety of the wire harness.)

1. The utility model provides a high temperature resistant fire prevention safety monitoring type pencil suitable for electric automobile, its characterized in that includes interior pencil subassembly, monitoring subassembly and protection subassembly, interior pencil subassembly constitute by pencil cover, electric lead and wire interface, monitoring subassembly constitute by monitoring gasbag cover, temperature detection ring, atmospheric pressure detection sensor and AD converter, protection subassembly constitute by heat plastic pipe and high temperature resistant layer, monitoring subassembly set firmly in interior pencil subassembly outer wall, monitoring subassembly and interior pencil subassembly adopt high temperature resistant adhesive to be connected, protection subassembly cover locate monitoring subassembly outer wall, protection subassembly and monitoring subassembly adopt swing joint, just protection subassembly and interior pencil subassembly adopt high temperature resistant adhesive to be connected, the electric lead set firmly inside the pencil cover, the electric lead adopt the tight fit with the pencil cover to be connected, wire interface set firmly both ends about the pencil cover, wire interface and pencil cover adopt the hot melt to be connected, just wire interface and electric lead adopt electric connection, monitoring gasbag cover set firmly in pencil cover outer wall, monitoring gasbag cover and pencil cover adopt high temperature resistant adhesive to be connected, temperature detect ring quantity be a plurality of, temperature detect ring from last to overlapping locate monitoring gasbag cover outer wall down, temperature detect ring and monitoring gasbag cover adopt high temperature resistant adhesive to be connected, atmospheric pressure detect sensor set firmly in monitoring gasbag cover bottom, atmospheric pressure detect sensor and monitoring gasbag cover adopt high temperature resistant adhesive to be connected, the AD converter set firmly in monitoring gasbag cover top, the AD converter adopt high temperature resistant adhesive to be connected with monitoring gasbag cover, just the AD converter adopt electric connection with atmospheric pressure detect sensor and temperature detect ring respectively And the thermoplastic pipe sleeve is arranged on the outer wall of the monitoring air bag sleeve, the thermoplastic pipe is movably connected with the monitoring air bag sleeve, the high-temperature-resistant layer is fixedly arranged on the outer wall of the thermoplastic pipe, and the high-temperature-resistant layer is connected with the thermoplastic pipe in a hot melting manner.

2. The high-temperature-resistant fireproof safety monitoring wire harness suitable for the electric automobile as claimed in claim 1, wherein a sealing sleeve is further fixedly arranged on the wire interface, the sealing sleeve and the wire interface are integrally formed, and the sealing sleeve and the thermoplastic pipe are connected by hot melting.

3. The high temperature resistant and fire proof safety monitoring type wire harness suitable for electric vehicles according to claim 1, wherein a connecting air pipe is further fixedly arranged between the monitoring air bag sleeve and the air pressure detection sensor, and the connecting air pipe is respectively connected with the monitoring air bag sleeve and the air pressure detection sensor by hot melting.

4. The high temperature resistant fireproof safety monitoring wire harness suitable for electric vehicles according to claim 1, wherein a temperature conducting film is further fixedly arranged on the outer wall of the temperature detecting ring, and the temperature conducting film and the temperature detecting ring are connected by hot melting.

5. The high temperature resistant fire prevention safety monitoring type wire harness adapted for electric vehicle according to claim 1, wherein a protective gas is further filled between the temperature conductive film and the thermoplastic tube, said protective gas being an inert gas.

6. The high temperature resistant fire-proof safety monitoring wire harness suitable for electric vehicles according to claim 1, wherein the high temperature resistant layer is compounded by high temperature resistant rubber, aerogel and anti-ultraviolet agent.

Technical Field

The invention relates to the technical field of automobile wire harnesses, in particular to a high-temperature-resistant fireproof safety monitoring wire harness suitable for an electric automobile.

Background

The working space of the automobile wire harness is usually narrow, and the heat dissipation condition is poor. The long-time driving of the automobile is an examination test for the automobile wire harness, and the heat accumulation is serious due to the fact that the heat dissipation space is small, so that the automobile wire harness works in a high-temperature environment for a long time, heat is transmitted to the operation part, the operation of automobile electronic equipment is influenced, and the service life of the automobile wire harness is greatly reduced.

Meanwhile, with the rapid development of electric automobiles, the safety of the electric automobiles is a difficult problem which always puzzles technical personnel in the industry, and particularly, the frequent occurrence of spontaneous combustion accidents greatly strikes the enthusiasm of consumers for purchasing the electric automobiles.

According to the above, with the progress of battery technology, the self-ignition defect of the battery itself is greatly avoided to a certain extent, but the internal wiring harness of the electric automobile, especially the control and power supply wiring harness for the battery is easy to cause the self-ignition and explosion problems of the battery under the condition of electric leakage caused by high temperature combustion or damage. Therefore, in view of the above drawbacks, it is necessary to design a high temperature resistant and fireproof safety monitoring wire harness suitable for an electric vehicle.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a high temperature resistant fire prevention safety monitoring type pencil suitable for electric automobile solves the problem that the background art provided.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a high temperature resistant fire prevention safety monitoring type pencil suitable for electric automobile, includes interior wiring harness subassembly, monitoring subassembly and protection subassembly, interior wiring harness subassembly constitute by wiring harness cover, electric lead and wire interface, monitoring subassembly constitute by monitoring gasbag cover, temperature detection ring, atmospheric pressure detection sensor and AD converter, protection subassembly constitute by thermoplastic pipe and high temperature resistant layer, monitoring subassembly set firmly in interior wiring harness subassembly outer wall, monitoring subassembly and interior wiring harness subassembly adopt high temperature resistant adhesive to be connected, protection subassembly cover locate monitoring subassembly outer wall, protection subassembly and monitoring subassembly adopt swing joint, and protection subassembly and interior wiring harness subassembly adopt high temperature resistant adhesive to be connected, the electric lead set firmly in wiring harness cover inside, the electric lead adopt the tight fit with wiring harness cover to be connected, wire interface set firmly both ends about the pencil cover, wire interface and pencil cover adopt the hot melt to be connected, just wire interface and electric lead adopt electric connection, monitoring gasbag cover set firmly in pencil cover outer wall, monitoring gasbag cover and pencil cover adopt high temperature resistant adhesive to be connected, temperature detect ring quantity be a plurality of, temperature detect ring from last to overlapping locate monitoring gasbag cover outer wall down, temperature detect ring and monitoring gasbag cover adopt high temperature resistant adhesive to be connected, atmospheric pressure detect sensor set firmly in monitoring gasbag cover bottom, atmospheric pressure detect sensor and monitoring gasbag cover adopt high temperature resistant adhesive to be connected, the AD converter set firmly in monitoring gasbag cover top, the AD converter adopt high temperature resistant adhesive to be connected with monitoring gasbag cover, just the AD converter adopt electric connection with atmospheric pressure detect sensor and temperature detect ring respectively And the thermoplastic pipe sleeve is arranged on the outer wall of the monitoring air bag sleeve, the thermoplastic pipe is movably connected with the monitoring air bag sleeve, the high-temperature-resistant layer is fixedly arranged on the outer wall of the thermoplastic pipe, and the high-temperature-resistant layer is connected with the thermoplastic pipe in a hot melting manner.

Furthermore, a sealing sleeve is fixedly arranged on the lead interface, the sealing sleeve and the lead interface are integrally formed, and the sealing sleeve and the thermoplastic pipe are connected by hot melting.

Further, monitoring gasbag cover and atmospheric pressure detect sensor between still set firmly and connect the trachea, the connection trachea adopt the hot melt to be connected with monitoring gasbag cover and atmospheric pressure detect sensor respectively.

Furthermore, the outer wall of the temperature detection ring is fixedly provided with a temperature conduction film, and the temperature conduction film is connected with the temperature detection ring in a hot melting mode.

Further, a protective gas is filled between the temperature conducting film and the thermoplastic tube, and the protective gas is an inert gas.

Furthermore, the high temperature resistant layer is formed by compounding high temperature resistant rubber, aerogel and an ultraviolet resistant agent.

Compared with the prior art, this high temperature resistant fire prevention safety monitoring type pencil suitable for electric automobile has following advantage:

1. at first mutually supporting through monitoring gasbag cover and atmospheric pressure detection sensor, can real-time detection monitor gasbag cover's atmospheric pressure, if atmospheric pressure when changing, atmospheric pressure detection sensor can in time detect and send high level signal to the AD converter, with the help of the effect of AD converter, can report to the police to electric automobile, do benefit to driver's in time grasp and maintenance processing, through the aforesaid, can effectively avoid the problem that the pencil damages to arouse the electric automobile conflagration after electrically conducting.

2. Secondly the temperature detects the ring and can carry out temperature detection, sends high level signal to the AD converter after the temperature surpasss the set point standard, does benefit to the AD converter promptly and takes place to report to the police to electric automobile, does benefit to navigating mate's in time and masters and overhaul the processing, through the aforesaid, can make things convenient for navigating mate to know rapidly behind the pencil high temperature anomaly, is convenient for judge the situation.

3. And finally, the thermoplastic pipe is wrapped on the outer wall of the monitoring assembly, and the high-temperature resistant layer can greatly improve the high-temperature resistance and enhance the service life and the safety of the wire harness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a front view of a high temperature resistant fire safety monitoring type wire harness suitable for use in an electric vehicle;

FIG. 2 is a top view of a high temperature resistant fire safety monitoring type wire harness suitable for use in an electric vehicle;

FIG. 3 is a sectional view taken along the line A of a high temperature resistant fire safety monitoring type wire harness suitable for use in an electric vehicle;

FIG. 4 is an enlarged cross-sectional view of the A/D converter portion;

FIG. 5 is an enlarged sectional view of the air pressure detecting sensor portion;

FIG. 6 is a perspective view of a high temperature resistant fire safety monitoring type harness suitable for use in an electric vehicle in a separated state;

FIG. 7 is an enlarged perspective view of the inner wiring harness assembly;

fig. 8 is an enlarged perspective view of the shield assembly.

The device comprises an inner wiring harness assembly 1, a monitoring assembly 2, a protective assembly 3, a wiring harness sleeve 4, an electric lead 5, a lead interface 6, a monitoring air bag sleeve 7, a temperature detection ring 8, an air pressure detection sensor 9, an A/D converter 10, a thermoplastic pipe 11, a high temperature resistant layer 12, a sealing sleeve 601, a connecting air pipe 701, a temperature conducting film 801 and protective gas 802.

The following detailed description will be further described in conjunction with the above-identified drawings.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments, however, it will be apparent to one skilled in the art that the described embodiments may be practiced without some or all of these specific details, and in other cases well-known process steps have not been described in detail.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, a high temperature resistant fireproof safety monitoring wire harness suitable for an electric vehicle comprises an inner wire harness assembly 1, a monitoring assembly 2, a protection assembly 3, a wire harness sleeve 4, an electric wire 5, a wire interface 6, a monitoring air bag sleeve 7, a temperature detection ring 8, an air pressure detection sensor 9, an a/D converter 10, a thermoplastic pipe 11, and a high temperature resistant layer 12, wherein the monitoring assembly 2 is fixedly arranged on the outer wall of the inner wire harness assembly 1, the monitoring assembly 2 and the inner wire harness assembly 1 are connected by a high temperature resistant adhesive, the protection assembly 3 is sleeved on the outer wall of the monitoring assembly 2, the protection assembly 3 and the monitoring assembly 2 are movably connected, the protection assembly 3 and the wire harness assembly 1 are connected by a high temperature resistant adhesive, the electric wire 5 is fixedly arranged inside the wire harness sleeve 4, the electric lead 5 adopts the tight fit to be connected with the wire harness sleeve 4, the wire interface 6 set firmly both ends about the wire harness sleeve 4, the wire interface 6 adopt the hot melt to be connected with the wire harness sleeve 4, just the wire interface 6 adopt electric connection with the electric lead 5, the monitoring gasbag sleeve 7 set firmly in the outer wall of the wire harness sleeve 4, the monitoring gasbag sleeve 7 adopt the high temperature resistant adhesive to be connected with the wire harness sleeve 4, the temperature detection ring 8 quantity be a plurality of, the temperature detection ring 8 from last to covering locate the monitoring gasbag sleeve 7 outer wall down, the temperature detection ring 8 and the monitoring gasbag sleeve 7 adopt the high temperature resistant adhesive to be connected, the atmospheric pressure detection sensor 9 set firmly in the monitoring gasbag sleeve 7 bottom, the atmospheric pressure detection sensor 9 and the monitoring gasbag sleeve 7 adopt the high temperature resistant adhesive to be connected, the AD converter 10 set firmly in the monitoring gasbag sleeve 7 top, the A/D converter 10 is connected with the monitoring air bag sleeve 7 by adopting a high-temperature-resistant adhesive, the A/D converter 10 is respectively and electrically connected with the air pressure detection sensor 9 and the temperature detection ring 8, the thermoplastic pipe 11 is sleeved on the outer wall of the monitoring air bag sleeve 7, the thermoplastic pipe 11 is movably connected with the monitoring air bag sleeve 7, the high-temperature-resistant layer 12 is fixedly arranged on the outer wall of the thermoplastic pipe 11, and the high-temperature-resistant layer 12 is connected with the thermoplastic pipe 11 by adopting hot melting;

the high-temperature-resistant fireproof safety monitoring wire harness suitable for the electric automobile has the following functions;

A. the wire harness sleeve 4, the electric lead 5 and the lead interface 6 in the inner wire harness assembly 1 are matched with each other, so that electric signal transmission can be facilitated, and the driving control of the electric automobile is facilitated;

B. the monitoring assembly 2 is fixed on the outer wall of the inner wiring harness assembly 1, the monitoring air bag sleeve 7 is matched with the air pressure detection sensor 9, the air pressure of the monitoring air bag sleeve 7 can be detected in real time, if the monitoring air bag sleeve 7 is damaged, when the air pressure changes, the air pressure detection sensor 9 can detect in time and send a high level signal to the A/D converter 10, and the A/D converter 10 can be connected with a control terminal of an electric automobile in the prior art, so that an alarm can be given to the electric automobile under the action of the A/D converter 10, timely grasping and overhauling of a driver are facilitated, and the problem of electric automobile fire caused by damage and conduction of a wiring harness can be effectively avoided through the above;

C. the temperature detection ring 8 is distributed on the outer wall of the monitoring air bag sleeve 7, can detect the temperature, and sends a high level signal to the A/D converter 10 when the temperature exceeds a set value standard, so that the A/D converter 10 can give an alarm to the electric automobile, and the driver can conveniently grasp and overhaul the temperature in time, and can conveniently know the temperature after the high temperature of the wire harness is abnormal, so that the condition can be conveniently judged;

D. the thermoplastic tube 11 in the protective component 3 is used for wrapping the outer wall of the monitoring component 2, and the high-temperature resistant layer 12 can greatly improve the high-temperature resistance and enhance the service life and the safety of the wire harness;

the lead interface 6 is also fixedly provided with a sealing sleeve 601, the sealing sleeve 601 and the lead interface 6 are integrally formed, and the sealing sleeve 601 is connected with the thermoplastic tube 11 by hot melting;

it should be noted that the sealing sleeve 601 can improve the sealing performance between the wire connection port 6 and the thermoplastic pipe 11, and further enhance the connection firmness of the inner wire harness assembly 1, the monitoring assembly 2 and the protection assembly 3;

a connecting air pipe 701 is fixedly arranged between the monitoring air bag sleeve 7 and the air pressure detection sensor 9, and the connecting air pipe 701 is respectively connected with the monitoring air bag sleeve 7 and the air pressure detection sensor 9 by hot melting;

the connecting air pipe 701 can facilitate the air pressure detection sensor 9 to detect the air pressure inside the monitoring air bag sleeve 7, so that the air flow is communicated;

the outer wall of the temperature detection ring 8 is also fixedly provided with a temperature conduction film 801, and the temperature conduction film 801 is connected with the temperature detection ring 8 by hot melting;

it should be noted that the temperature conducting film 801 can facilitate conducting heat to a plurality of temperature detecting rings 8, and facilitate temperature detection of the temperature detecting rings 8;

a protective gas 802 is filled between the temperature conducting film 801 and the thermoplastic tube 11, wherein the protective gas 802 is an inert gas;

it should be noted that the protective gas 802 is an inert gas, so that the effects of flame retardance and heat transfer reduction can be achieved, the spontaneous combustion rate of the wiring harness is greatly reduced, and the safety of the electric vehicle is improved to a certain extent;

the high temperature resistant layer 12 is formed by compounding high temperature resistant rubber (not marked), aerogel (not marked) and an anti-ultraviolet agent (not marked);

it should be noted that aerogel (not mark) fuses in high temperature resistant rubber (not mark), can strengthen the high temperature resistance of high temperature resistant rubber (not mark) by a wide margin, improves the fire protection to interior wiring subassembly 1 and monitoring subassembly 2, and ultraviolet resistance agent (not mark) can resist the ultraviolet ray, reaches the ageing resistance.