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Industry Application

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Elaplus Case Study on PCB Protection and Encapsulation of Bluetooth Sensor for Automobile Electric Tailgate

2024-12-19

With the rapid development of automobile intelligence and electrification, electric tailgate has become one of the indispensable functional components in modern cars. As the core part of this system, the Bluetooth sensor PCB not only requires precise signal processing and connection functions, but also must be able to withstand harsh conditions in the automotive environment, including high temperature, humidity, vibration, salt spray and other complex environments. Therefore, the requirements for its protection have become increasingly strict. In this context, choosing a suitable potting material has become the key to ensuring the stability of PCB performance and extending product lifespan. 01 Background and ChallengesWith the continuous advancement of intelligent car technology, electric tailgate has become an important component of high-end car configurations. The electric switch and closing function are precisely controlled through intelligent components such as Bluetooth sensors, therefore, the stability of the sensor PCB is crucial to the performance of the entire tailgate system. However, sensor PCBs must withstand various extreme conditions in the automotive environment during long-term use, including: Temperature changes: Vehicles operate under extreme temperature differences between high and cold temperatures, and sensors need to maintain stability.Vibration and shock: Frequent tailgate opening and closing operations and road vibrations may affect the mechanical stability of the PCB.Moisture and water boiling: Rainwater or humid environments may cause electronic components to become damp or short-circuit.Salt spray corrosion: Salt spray corrosion in coastal areas or during winter poses protection requirements for onboard electronic devices.02 Solution: EP 1713 two-component solvent-free ambient temperature curing epoxy sealantIn order to address the above challenges, EP 1713 two-component solvent-free ambient temperature curing epoxy sealant has become an ideal choice. This product has excellent adhesion, crack resistance, and thermal conductivity, making it very suitable for potting protection of electronic components. Below, we will analyze in detail the advantages…

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Elaplus Sharing Case: Solution for Fixing and Reinforcing for Wire Harnesses

2024-12-18

Background and RequirementsIn modern electronic devices, wiring harnesses serve as important connecting components, carrying complex electrical signals and power transmission. With the rapid development of fields such as automotive electronics, smart homes, and industrial automation, the requirements for the stability and reliability of wiring harnesses are constantly increasing. Especially in harsh environments such as high humidity, high temperature, vibration, etc., the protection requirements for wiring harnesses become increasingly important.For the fixation and reinforcement of wire harnesses, not only good adhesion performance is required, but also excellent resistance to mechanical stress, thermal shock, and long-term weather resistance. Therefore, choosing the appropriate sealant material is crucial to ensure the stable operation of the wiring harness in various harsh environments.ChallengeChemical resistance and weather resistance: Wiring harnesses may be exposed to various chemicals, moisture, or harsh weather conditions during use, requiring materials with excellent corrosion resistance;Heat resistance and vibration resistance: In environments with high temperatures or mechanical vibrations, the bonding and fixation of wire harnesses require a high degree of stability;Environmental protection and long-term use: With the strict environmental regulations, sealant materials need to meet the requirements of low volatility, less toxic gases, harmless to human health, and have a long service life.Therefore, Yilian recommends using RTV 1826 dealcoholized silicone adhesive sealant, which has excellent adhesion and protective properties, and can provide long-term stable fixation and reinforcement effects for wire harnesses in extreme environments.Yilian product recommendationRTV 1826 alcohol free silicone adhesive sealant is a neutral silicone sealing material that absorbs moisture from the air and solidifies at room temperature.It is non corrosive to materials and has good adhesive and sealing properties for most plastic, metal, and other materials, protecting electronic products in a stable state under harsh conditions. The elastic material of RTV 1826 silicone adhesive sealant cured for wire harness fixing reinforcement has…

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Case Study of Internal Potting of Elaplus Weighing Instrument Sensor

2024-12-17

With the advancement of industrialization, the use of weighing equipment is becoming increasingly widespread, from traditional market scales and car scales to dynamic weighing systems in modern intelligent logistics systems. The accuracy and stability requirements of weighing equipment are becoming higher and higher. As the core component of weighing equipment, the weighing sensor directly affects the accuracy of weighing results and the long-term stability of the equipment. Therefore, how to ensure that sensors are not affected by external environmental factors, especially moisture, dust, and other harsh conditions, during long-term use has become a major challenge in the weighing industry.Scale sensors typically use electronic components and sensor chips, which are highly sensitive and susceptible to moisture and external pollutants. Especially in humid environments, moisture may enter the interior through interfaces, causing circuit corrosion, performance degradation, and even damage to sensors. Therefore, encapsulation technology plays a crucial role as an effective protective measure in the production and maintenance of weighing sensors. Internal sealing of weighing sensorSealing materials not only need to isolate moisture and protect components, but also need to ensure good physical properties and chemical stability to avoid affecting the accuracy and lifespan of sensors due to environmental changes. More importantly, the sealed material needs to have easy peelability to facilitate equipment maintenance and repair. With the increasing demand for environmental protection and green materials, traditional sealing materials can no longer meet the requirements of modern industry. Finding a sealing material that is both environmentally friendly and efficient has become an urgent task.Challenge

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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…

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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…

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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…

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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…

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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…

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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…

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