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Automobile wire harness is the assembly of automobile power and signal transmission and distribution system, the network main body of automobile circuit, and the connecting parts and the carrier of each part in automobile circuit. This paper briefly introduces the typical cost optimization scheme of automobile low-voltage wiring harness in the process of synchronous development and design, analyzes its feasibility and reliability, and shares the competitiveness that can contribute to the cost...
With the advent of the era of scientific and technological intelligence, the electronic and electrical system is becoming more and more complex, and the automobile manufacturers take the electronic and electrical architecture as the core technology. The core of the automobile electronic system is the control unit, which is responsible for the management and control of the whole control system. Automotive wiring harness is the hub carrier of the control unit, which is connected with the...
As the nerve of the automobile, the wiring harness system plays an important role in connecting the central control components and various electrical appliances of the automobile, and the design quality of the wire harness system is directly related to the safety of the vehicle. With the increasingly hot automobile market, the rapid development of electronic and electrical industry, the rapid increase of automobile electronic appliances, and the improvement of people's requirements for...
The wiring harness is like the blood vessels of a car, connecting all corners of the car. Like blood vessels, although the wire harness covers the whole vehicle, it is almost completely invisible in appearance. Many people may not know that the wiring loom on the car will be as long as thousands of meters if it is fully deployed; In order to facilitate the deployment of such a long harness, some interruptions are needed in the middle, and the connector used to connect these interrupted parts is...
This paper briefly introduces the dimension chain and tolerance design method in wire harness development, the common dimension chain labeling forms and the influence of different labeling forms on dimension chain. This paper discusses the dimension chain and tolerance design of wiring harness from two aspects: forward development and design verification. Finally, combined with actual cases, it makes a comparative analysis of the influence of different dimension chain labeling methods on actual...
It is an important part of automotive wiring harness's automobile circuit, and the reasonable design of automotive wire harness is one of the conditions to ensure the safe driving of automobiles. This paper introduces the design process of automotive wiring loom and the selection of core raw materials. In terms of design principle, 3D layout is an essential link in wiring harness design. The correct selection of key raw materials such as connectors, wires and protective materials is the basis...
This paper mainly analyzes the purpose and method of VAVE from the perspective of product research and development in automotive wiring harness industry, and introduces the mining method and execution process of VAVE through specific examples and experience of VAVE process steps, hoping to give some thoughts and references to colleagues who have not done VAVE specifically, so as to understand the significance and role of VAVE in cost control. As one of the most important and complex parts of...
Error-proof technology refers to any device or facility that can prevent the occurrence of human errors, or make people find errors at a glance. Antibugging, also known as the method of foolishness, means to prevent mistakes before they happen. With the rapid development of automobile technology, the number of vehicle-mounted functional appliances has doubled, which leads to the increasing size of automotive wiring harness connecting various functional appliances. Especially in automotive...
Copper has long been an important material for automobile electrical architecture. With the development of the industry to all-electric vehicles, copper will become very important. However, as automobile companies strive to reduce their impact on the environment, many companies are seeking to transition to more sustainable solutions. Recycling copper is a promising way to help these efforts. Copper is highly conductive, extremely flexible, heat-resistant and corrosion-resistant, all of which...
At present, the competition in the domestic new energy vehicle market is becoming more and more fierce. With the price reduction of domestic Tesla and the participation of Volkswagen's electric vehicles, the follow-up competition will become more intense. Only by virtue of high-quality, high-value products and leading technology, enterprises can occupy a place in the fierce new energy vehicle market. While constantly innovating in technology, major car companies are also focusing on cost...
In automotive wiring harness, the end of each wire is crimped with a terminal, and the crimping quality of the terminal and the wire plays a vital role in the overall quality of the wiring harness. At the same time, the control of the crimping quality of this part has been recognized by all wiring harness factories. Therefore, it is of great significance to conduct an in-depth study on the crimping in this area. As we know, most of the terminals crimped at the end of the harness are open...
With the increasing explosive power of new energy vehicles in the market, the market scale of automobile connectors is constantly expanding. According to the forecast of the global connector market research organization, the global automobile connector market will reach USD 19.452 billion in 2025, of which China's automobile connector market will occupy 23% with a scale of USD 4.468 billion. According to the data of China Association of Automobile Manufacturers (hereinafter referred to as...
The most promising market area for connectors is the automobile field. With the rapid development of economy, automobile has become one of the indispensable means of transportation for every household, so the future development of automobile is particularly important for people's life. The broad market demand requires good product quality to ensure, which means that the connectors used in the automotive field are more stringent than those in other fields, and excellent product quality and good...
In recent years, the development of related technologies for polyurethane modification has become a research hotspot. Its purpose is to make the modified polyurethane have better mechanical properties, heat resistance, chemical resistance and other properties, and to make foaming technology more widely used in the field of automobile parts manufacturing. Polyester was first synthesized by German chemist Otto Bayer and his colleagues in 1936 while studying the addition polymerization of...
The concept of domain controller was first put forward by Tierl. It appeared to solve the problem of information security and ECU bottleneck. Because of its powerful hardware computing capability and rich software interface support, domain controller concentrated more core functional modules in the domain controller, which greatly improved the functional integration. This paper briefly introduces the characteristics, classification and influence of domain controller on wire harness. With the...
Automobile wire harness is one of the important components of automobile, known as the nerve of automobile, and it is the carrier of electric signal control of automobile. Automobile connector is the most important component of wiring harness, and it is the key to realize reliable transmission of electrical signals in wiring harness. This article will focus on the correct positioning and identification methods of connectors from five aspects. Introduction After more than half a century's...
At present, the wiring harness terminals used in automobile connectors are mainly stamped with high-quality copper alloy. For the purpose of protecting the terminal base materials from corrosion and optimizing the surface performance of the terminals, different surface treatments such as fog tin, reflowing bright tin, tin-lead, silver, gold and palladium-nickel flash gold are usually carried out on the terminals, which is what we often call terminal surface plating, namely terminal plating....
With the rapid development of science and technology, the functions of automotive electrical appliances are increasing, and the electrical system is becoming more and more complex. From engine control to transmission control, from driving, braking and steering control to safety assurance system and instrument alarm system, from power management to various efforts to improve comfort, the automotive electrical system forms a complex large system, which is connected by automotive neural...
As we all know, long battery charging time is one of the key factors limiting the growth of electric vehicle market. Usually, electric vehicles need several hours of charging time to get the cruising range, while traditional fuel vehicles or trucks can be filled with gasoline or diesel in a short time to ensure the cruising range. In order to shorten the charging time of electric vehicle batteries, electric vehicle manufacturers need to improve the ability of the circuits in the charging system...
This paper introduces automotive wiring harness, its cost structure and present situation. This paper introduces in detail six cost reduction methods in the design stage of wiring harness, including platform and standardized design, architecture optimization and controller integration, wiring harness layout optimization, wiring harness technology innovation, one-to-many materials and localization, and VAVE cost reduction. These methods have been applied to the whole vehicle development project,...
From fuel vehicle to electric vehicle, the transformation of vehicle acceleration has promoted a new understanding of vehicle architecture. OEM has realized that the architectural breakthrough brought by electric vehicles is a great opportunity to optimize the whole vehicle components, even the basic construction of electrical architecture. This innovative spirit even extends to the wiring itself. OEM is taking a flat conductor (called high-voltage bus) as an alternative to the traditional...
All fields in the world are changing, and industry 4.0 is also one of the changing factors. The public is keen to discuss the current and future drastic changes in the automobile industry. In addition to common problems such as emissions, electric vehicles or driverless driving, there is another area that is not well known to the public and will enjoy the benefits brought by this fundamental change. It is the automotive electrical architecture system. Compared with the engine, the automotive...
The high-voltage battery module is placed in a sealed and shielded high-voltage battery box, and the high-voltage battery system is connected to the whole vehicle with reliable high-voltage and low-voltage connectors. Installation position of high-voltage battery module BMS in high-voltage battery system collects data such as the voltage value of each battery cell, the temperature value of each temperature sensor, the total voltage and current value of the battery system, and the insulation...
In this paper, CAN bus technology is applied to the design of automobile body wiring harness, and the overall structure of the whole vehicle system, CAN data transmission mode and control process are described in detail, and the node circuit design and wiring harness direction design are completed. 1 Foreword The interaction effectiveness between modules of electric vehicle directly affects the driving efficiency and driving feeling of the vehicle. Plug-in hybrid vehicles can be divided into...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.