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Elaplus sharing Case of PCB Encapsulation Inside Wiring Harness

2024-12-17

BackgroundIn modern electronic devices, wire harnesses serve as important bridges connecting various electronic components, and their stability and reliability are crucial. The internal wiring harness usually includes multiple wires and related connectors, circuit boards (PCBs) and other sensitive components, which are subjected to various adverse effects from the external environment, such as moisture, dust, vibration, temperature fluctuations, etc. In order to ensure the long-term stable operation of the equipment and protect these internal components from external interference, encapsulation technology has become a crucial solutionAmong them, PCB (Printed Circuit Board) is the core part of electronic devices, which not only undertakes signal transmission and processing functions, but also directly affects the stability of the entire system. In order to effectively prevent PCB from being damaged by environmental factors such as moisture, chemicals, and corrosive gases, protective measures must be taken. Traditional protection methods often rely on coatings or packaging, but these methods often cannot achieve ideal protection effects, especially in high humidity, high temperature, and frequent vibration environments. Therefore, choosing an efficient and deep curing potting material has become the key to ensuring the long-term stable operation of PCBs.Solution:In response to this challenge, Yilian’s PUR 1680 two-component solvent-free room temperature or heat cured resin elastomer composite provides us with an ideal solution. This material is specifically designed for two-component sealing and potting of electrical equipment. It not only has excellent physical properties, but also ensures the long-term reliability of wiring harnesses and PCBs in complex environments. Characteristics of PCB encapsulation products inside wire harnesses▶ High thermal conductivity, low viscosity, strong operability▶ Excellent low-temperature characteristics and outstanding weather resistance▶ Excellent electrical insulation and stability stability▶ Good waterproof and moisture-proof properties, with extremely low water absorption rate▶ Has good adhesion to most metals and plasticsApplication scenarios:PUR 1680 is an ideal choice for sealing…

Elaplus Sharing Case of Internal Encapsulation for Connectors

2024-12-16

In the development process of modern electronic technology, connectors, as key components for connecting electrical components, are widely used in fields such as automobiles, electronic equipment, power tools, instruments, and industrial equipment. The reliability and stability of connectors directly affect the performance and safety of the entire system. Therefore, the protective measures inside the connector are particularly important, especially in applications that require high protection levels, environmental resistance, and long-term stability.Due to the fact that connectors are often exposed to extreme environmental conditions such as high temperature, humidity, vibration, and chemical corrosion, encapsulation technology has become an effective means of protection to ensure that electrical connections are not disturbed or damaged by external environments. Sealing adhesive can not only provide structural support, but also increase the electrical insulation, waterproofing, weather resistance, and impact resistance of connectors, prolong their service life, and ensure the stable operation of the system. Challenge of connector encapsulation materialsDuring the use of connectors, they face various environmental challenges, which require the sealing adhesive to have corresponding performance to cope with different working conditions:Crack resistance and high temperature stability: Connectors are usually exposed to high temperature environments, especially in fields such as automobiles and industrial equipment, where the operating temperature may reach its limit. The sealing material must be able to maintain stable performance at high temperatures and effectively prevent cracking, ensuring the long-term reliability of the connector.Electrical insulation: Connectors involve electrical connections, and their electrical insulation is crucial. The sealing adhesive must have excellent electrical insulation performance to prevent faults caused by electrical leakage or short circuits.Waterproof and moisture-proof: Connectors are often exposed to moisture or liquids, and waterproof and moisture-proof are the key to ensuring the normal operation of connectors. The sealing adhesive must have low water absorption, which can effectively prevent moisture from seeping…

Elaplus shares air flow sensor PCB encapsulation

2024-12-16

Air Flow Sensor (AFS) is widely used in modern automobiles, industrial equipment, and air purification systems. Its main function is to monitor air flow to ensure efficient operation of the system. In the automotive industry, air flow sensors are used to monitor the intake of air, thereby optimizing fuel combustion efficiency, reducing emissions, and improving engine performance. With the advancement of technology, the performance requirements for air flow sensors are becoming increasingly high, and the protection of PCB (printed circuit board) has become a key factor. In order to cope with the challenges of harsh environments, the PCB of air flow sensors must have good mechanical strength, electrical insulation, waterproofing, and anti-corrosion performance.Air flow sensorAir flow sensors face challengesHowever, in the design and production process of air flow sensors, PCB protection faces great challenges. Firstly, as sensors are often exposed to high temperatures, humidity, chemical corrosion, and other environments, how to effectively protect electronic components from these external factors is a priority consideration in design. Secondly, due to the fact that air flow sensors typically require a certain amount of mechanical stress, PCB encapsulation materials must be able to effectively alleviate mechanical stress and avoid sensor failure caused by stress concentration. Finally, with the continuous development of electronic technology, the volume of sensors is becoming smaller and smaller, while the performance requirements are becoming higher and higher. This requires potting materials not only to have excellent protective performance, but also to meet the limitations of space and weight.Explore the encapsulation solution for Yilian current sensors – Yilian Electronic Adhesive ElaplusRecommended product: SIGEL 1805 additive high elasticity sealing adhesiveIn order to address the above challenges, SIGEL 1805, as a 1:1 hybrid additive high elasticity potting adhesive, has become an ideal choice for PCB potting of air flow sensors due to its…

Elaplus Explains to You How to Choose Suitable Sealing Materials?

2024-12-12

Choosing the appropriate encapsulation material is crucial for protecting sensitive electronic components from adverse environmental conditions. These materials are used to protect equipment from moisture, provide insulation, and help control heat. Each material has unique advantages through options such as epoxy resin, silicone, and polyurethane, depending on the specific requirements of your application. In this article, Yilian will explore the main differences between these potting materials and help you determine which material is most suitable for your needs, ensuring long-lasting protection and optimal performance.Three common sealing adhesivesUnderstanding the unique characteristics of each potting material is crucial when selecting potting materials for your application. The three main sealing materials commonly used in electronic manufacturing are epoxy resin, silicone resin, and polyurethane. Each material has specific advantages and is suitable for different environments and performance requirements. The following is a detailed classification of each sealing material.Epoxy sealant, silicone sealant, polyurethane sealantEpoxy sealant, silicone sealant, polyurethane (PU) sealant Epoxy sealantEpoxy resin occupies a place in the field of electronics due to its powerful comprehensive characteristics. These resins have the following characteristics: ▶ High mechanical strength, providing reliable wear protection▶ High temperature resistance makes it an ideal choice for environments up to 180 ° C▶ Excellent chemical resistance, very suitable for harsh environments that require contact with chemicals or solvents▶ Strong adhesion ensures a strong bond with substrates such as metals, ceramics, and specific plasticsFor example, epoxy resin encapsulation is widely used in motors. These electric motors generate a large amount of heat and withstand continuous mechanical vibrations, which may damage sensitive components. Epoxy resin provides necessary insulation and protection to ensure the long-term reliable operation of the motor, while also preventing electrical short circuits.Read the article to learn more about motor sealing: Motor Sealing | The Best Thermal Conductivity Solution for Electric Vehicle…

Elaplus Case Study | Solution for Temperature Sensor and Rear Wire Harness Encapsulation

2024-12-11

In the modern automotive industry, the reliability of sensors and wiring harnesses is crucial for the performance and safety of the entire vehicle. Especially temperature sensors, they need to maintain efficient and stable operation in harsh working environments, while the tail harness is responsible for transmitting signals to the onboard control system. Therefore, the sealing protection of temperature sensors and tail wiring harnesses is particularly important. In this case study, Yilian will explore an innovative encapsulation solution that solves the problems of temperature resistance, waterproofing, moisture resistance, and electrical insulation of temperature sensors and tail wiring harnesses in working environments. In the modern automotive industry, the reliability of sensors and wiring harnesses is crucial for the performance and safety of the entire vehicle. Especially temperature sensors, they need to maintain efficient and stable operation in harsh working environments, while the tail harness is responsible for transmitting signals to the onboard control system. Therefore, the sealing protection of temperature sensors and tail wiring harnesses is particularly important. In this case study, Yilian will explore an innovative encapsulation solution that solves the problems of temperature resistance, waterproofing, moisture resistance, and electrical insulation of temperature sensors and tail wiring harnesses in working environments.backgroundWith the increasing dependence of the automotive industry on electronic technology, temperature sensors have become an indispensable part of automotive electronic systems. These sensors typically need to be installed in engines, exhaust systems, or other high-temperature areas, and have high tolerance requirements for environmental conditions such as temperature, humidity, and mechanical shock.At the same time, the rear wiring harness of the car also bears the responsibility of transmitting sensor data to the central control system. Due to the long-term exposure of vehicles to high temperatures, high humidity, and other harsh environments, wiring harnesses require good sealing and protection to ensure their…

Elaplus Case Study | Conformal Coating Solution for Temperature Sensors External Use

2024-12-11

With the continuous development of smart devices and automotive electronics technology, temperature sensors, as an important component, are playing an increasingly critical role. It is crucial to provide sufficient protection to ensure the stable operation of temperature sensors in various complex and harsh environments. Especially for external triple protection, sensors not only need to be waterproof, dustproof, and corrosion-resistant, but also need to resist external physical impacts. Therefore, selecting appropriate potting materials for external protection has become the key to improving sensor performance and extending its service life. BackgroundIn modern industries, automobiles, and home appliances, temperature sensors are widely used in important equipment such as monitoring systems, smart homes, and automotive engine control. They are usually installed in areas with harsh working environments, such as engine compartments, battery packs, climate monitoring equipment, etc. The temperature changes, moisture, dust, and external impacts in these areas can pose a certain threat to the sensors. In order to improve the stability and durability of sensors, it is crucial to adopt external three proof protection.External triple protection refers to providing sensors with the ability to resist water, dust, and corrosion, which requires sealing or coating to achieve. The external three proof protection material of the temperature sensor not only needs to have high-strength physical properties, but also needs to have high adhesion and toughness to prevent external damage and physical impact.In this process, the selection of sealing materials is particularly crucial, ensuring that their viscosity is moderate and can evenly cover the outer surface of the sensor, while also possessing excellent hardness and mechanical properties to resist wear and external impacts during long-term use. ChallengeWhen selecting external three proof protection materials for temperature sensors, we encountered the following main challenges: Viscosity requirementsThe external protection of temperature sensors requires a material with moderate viscosity to…

Solution for Potting the Tailgate Switch of Automobiles

2024-12-11

The tailgate switch of a car is a key component for the interaction between the owner and the car. It is usually exposed to the external environment and faces various challenges such as rain, moisture, dust, and high temperature changes. In order to ensure the normal operation of the tailgate switch, suitable sealing materials need to be selected to provide comprehensive protection. Car tailgate switch challengeWaterproof and moisture-proof: The tailgate switch must have extremely high waterproof and moisture-proof capabilities to prevent moisture from penetrating and affecting electrical connections. When choosing sealing materials, low water absorption is crucial.High hardness and toughness: The tailgate switch often experiences vibration and impact, therefore, the sealing material not only needs to provide high hardness, but also needs to have a certain degree of toughness to cope with long-term mechanical pressure.Electrical insulation and stability: The sealing material must have excellent electrical insulation properties to ensure the safety and stability of the switch system.Bonding force: The sealing material requires good adhesive force to tightly bond with various materials such as metal and plastic, ensuring stability during long-term use.Recommended product: PUR 1680 (D70) polyurethane sealantProduct Features▶ Low viscosity, strong operability▶ High hardness and certain toughness▶ Excellent electrical insulation and stability stability▶ Good waterproof and moisture-proof properties, with extremely low water absorption rate▶ Has good adhesion to most metals and plasticsPUR 1680 (D70) provides an ideal solution for the sealing of automotive tailgate switches, with high hardness, waterproofness, and excellent adhesion performance, ensuring the long-term stable operation of automotive tailgate switches.Tags: Automotive tailgate switch potting · Automotive tailgate potting · Automotive tailgate polyurethane potting· potting materials

Motor Encapsulation | The Best Solution for Thermal Conductivity of Electric Vehicle Drive

2024-12-11

The motor potting adopts thermal conductive materials, providing an effective solution for protecting and dissipating the heat of the electric vehicle drive system. This method not only protects electronic components from environmental pressure, but also improves overall heat transfer, ensuring smoother operation and longer lifespan of your electric vehicle. Below, Yilian will delve into the reasons why thermal management is crucial for electric vehicle motors, the advantages of using thermal conductive potting materials, and explore leading products in the market and future trends in electric vehicle thermal management.1. Why thermal management is crucial for electric vehicle motors ↩ ︎2. The benefits of using thermal conductive motor sealant ↩ ︎3. Which material is most suitable for sealing electric motors? ↩ ︎4. Recommended Sealing Materials for Yilian Motors ↩ ︎ Potting of motor stator1.Why is thermal management crucial for electric vehicle motors? For a long time, motor designers have been facing the challenge of thermal management in motor design. Without proper thermal management, heat loss can greatly reduce power efficiency, lower motor performance, and lead to premature component failure. Overheating not only affects overall performance, but also leads to insulation breakdown, demagnetization, and damage to sensitive electronic devices, greatly shortening the service life of the motor.With the increasing demand for motors with higher voltage and power density driven by electrification, effective thermal management has become crucial. Appropriate thermal management can minimize power loss (I ² R loss), improve performance, and ensure reliability and efficiency.With the increasing demand for electric vehicles, people’s expectations for range, charging time, and charging infrastructure are also growing. New designs typically use smaller components and higher power output, resulting in increased heat generation. This trend has driven the demand for advanced resins with excellent thermal performance to meet constantly changing demands.2. The benefits of using thermal conductive motor…

Elaplus adhesive for camera VCM voice coil motor bonding

2024-12-09

In modern photography and videography, the complex mechanisms that drive camera performance are often hidden from people’s line of sight, but are crucial for the operation of the camera. One of these mechanisms is the voice coil motor (VCM), which is a key component for achieving camera autofocus and image stabilization. Behind the efficient operation of VCM, there is a key component: adhesive specifically designed to bond these sensitive components. Today, Elaplus will explain in detail the importance of VCM adhesive and how to select it. What is a voice coil motor?Voice coil motor is an electromechanical device that generates linear motion using electromagnetic principles. In cameras, VCM is mainly used for:The reliability and efficiency of these operations largely depend on the adhesive used to bond VCM to the camera body.Auto focus system: Quickly adjust the lens position to ensure precise focusing.Image stabilization: Compensate for camera shake to produce stable images and smooth videos.Zoom mechanism: Implement fluid zoom operation to achieve different compositions.Working principle of voice coil motorThe working principle of VCM is to use coils placed in a magnetic field. When current flows through the coil, a magnetic field is generated, which interacts with the fixed magnet in the component, causing the coil to move. This movement can be used to precisely adjust the lens position. The importance of adhesives in VCM applicationsWhy is adhesive so importantThe adhesive used in VCM applications is crucial for the following reasons:Structural integrity: Ensure that the VCM is securely connected to the camera, preventing any misalignment or movement that may affect performance.Shock absorption: Absorbing vibrations is crucial for maintaining the accuracy of motor operation.Thermal stability: High quality adhesives can withstand different temperatures without degradation, which is crucial for devices that may experience temperature fluctuations.Longevity: Reliable bonding can prevent wear and tear, thereby extending…