Yearly Archives: 2024

　　In the realm of industrial and electronic applications, connectors play a pivotal role in ensuring reliable and efficient transmission of power and data. Among the myriad of connectors available, the high current 17W5 male connector stands out due to its robust design and versatile applications. This article delves into the features, applications, and benefits of the high current 17W5 male connector, highlighting why it is a preferred choice in various industries.According to professional reports, electrical terminal connectors There will be a great period of growth, and the market business is constantly expanding, and it will definitely become bigger and bigger in the future. https://www.xpbdz.com/

　　Understanding the High Current 17W5 Male Connector

　　The 17W5 designation refers to a type of mixed-layout D-sub connector, which includes a combination of high-current contacts along with signal contacts within a single connector housing. Specifically, the “17W5” configuration typically consists of 12 standard signal contacts and 5 high-current contacts. This unique arrangement allows the connector to handle both power and signal transmissions, making it highly versatile.

　　high current 17W5 male connector

　　Key Features:

　　High Current Capacity: The high current contacts in the 17W5 male connector are designed to handle significantly higher currents than standard contacts. This makes them suitable for applications requiring the transmission of substantial power.

　　Durability: Constructed with robust materials, these connectors are built to withstand harsh environmental conditions, ensuring long-term reliability.

　　Mixed Layout: The combination of signal and power contacts in one connector reduces the need for multiple connectors, saving space and simplifying the design of electronic systems.

　　Compatibility: These connectors are compatible with corresponding 17W5 female connectors, ensuring secure and reliable connections.

　　Applications of High Current 17W5 Male Connectors

　　The high current 17W5 male connectors are utilized in a wide range of industries and applications due to their ability to handle both power and signal transmissions effectively. Some common applications include:

　　Industrial Automation: In industrial automation systems, these connectors are used to connect various components such as sensors, actuators, and controllers. Their high current capacity is essential for powering these devices while also facilitating communication between them.

　　Telecommunications: In telecommunications equipment, high current 17W5 male connectors are used to provide reliable connections for both power and data transmission. They are essential in ensuring the efficient operation of communication systems.

　　Medical Equipment: Medical devices often require robust and reliable connectors to ensure consistent performance. The high current capacity and durability of 17W5 connectors make them suitable for medical equipment that needs a dependable power supply.

　　Military and Aerospace: The demanding environments in military and aerospace applications require connectors that can withstand extreme conditions. High current 17W5 male connectors are designed to meet these requirements, providing reliable connections in critical situations.

　　Automotive Industry: In the automotive industry, these connectors are used in various systems, including electric vehicles (EVs) and hybrid vehicles. They are crucial for connecting high-power components and ensuring efficient power distribution.

　　Recharge Your Adventures with a Compact, Reliable Power SourceSince then, more and more people have found that 1000W portable power station The value of, thus affecting the choice of many people. https://www.packsico.com/

　　The Importance of Portable Power

　　In today’s fast-paced, technology-driven world, having a reliable source of power on the go has become a necessity. Whether you’re hiking in the great outdoors, embarking on a road trip, or attending a music festival, the need for a constant supply of electricity to charge your devices is ever-present. This is where the power of a travel-sized electricity generator comes into play, allowing you to harness energy wherever your adventures take you.

　　Introducing the Compact Electricity Generator

　　Designed to be the ultimate companion for the modern, on-the-move individual, the travel-sized electricity generator is a versatile and compact solution to your power needs. Featuring a sleek, lightweight design, this innovative device can be easily packed into your luggage or backpack, ensuring that you never have to worry about your devices running out of juice.

　　Powering Your Devices with Ease

　　The travel-sized electricity generator is equipped with a range of charging ports, catering to a variety of devices, from smartphones and tablets to laptops and cameras. With the ability to charge multiple devices simultaneously, you can keep your entire digital ecosystem powered up and ready to go, no matter where your journey takes you.

　　Reliable and Long-Lasting Performance

　　Powered by a high-capacity battery and equipped with advanced charging technology, the travel-sized electricity generator offers reliable and long-lasting performance. Whether you’re exploring remote areas or navigating bustling cities, you can rest assured that your devices will be kept charged and ready to use, ensuring that you never miss a moment or a crucial connection.

　　Versatile and Adaptable Design

　　The travel-sized electricity generator is designed to be versatile and adaptable, making it the perfect companion for any adventure. Its compact size and lightweight construction allow for easy transportation, while its rugged design ensures that it can withstand the rigors of travel. Additionally, the generator can be powered by a variety of energy sources, including solar panels, wall outlets, and even car chargers, giving you the flexibility to recharge your devices no matter where you are.

　　In conclusion, the travel-sized electricity generator is the ultimate solution for keeping your devices powered up and ready to go, no matter where your adventures take you. With its reliable performance, versatile design, and compact size, this innovative device is the perfect companion for the modern, on-the-move individual, empowering you to stay connected and energized wherever you go.

　　Against the backdrop of sustained and rapid global economic development, environmental issues are increasingly becoming a key factor restricting the sustainable development of various industries. Especially in the field of new energy, with the rise of new energy vehicles, the demand for lithium battery cathode materials has surged. How to achieve environmental protection and resource recycling while ensuring production capacity growth has become an urgent problem for the industry. Recently, WTEYA Environmental Protection Technology Co., Ltd. successfully implemented a zero-emission wastewater treatment recycling project for Rongbai Group, a leading company in the global lithium battery cathode material industry, which undoubtedly provided an innovative solution to this problem.After that, mvr evaporator Not afraid of the future, dare to fight and fight, and won applause again and again in the market. https://www.wteya.com/

　　Rongbai Group, a leading company in the global lithium battery cathode material industry

　　Hubei Rongbai Lithium Battery Materials Co., Ltd. is a wholly-owned subsidiary of the listed company Ningbo Rongbai New Energy Technology Co., Ltd. In the more than seven years since its establishment, the company has invested 12.2 billion yuan and built 12 workshops in five phases. It has five business divisions: ternary cathode, lithium iron manganese phosphate, sodium ion, precursor and equipment, with an annual production capacity of 120,000 tons of lithium battery cathode materials, becoming the world’s largest ternary cathode material base.

　　Rongbai Group’s main products include: ternary (high nickel 811, ultra-high nickel 9 series, medium nickel), lithium iron manganese phosphate, M6P, sodium positive electrode materials, etc.

　　Industrial evaporator manufacturers

　　Join hands with Rongbai to create a new benchmark for green manufacturing

　　This cooperation with Rongbai Group is another classic case of WTEYA in the field of wastewater treatment. As a leading enterprise in the global lithium battery positive electrode material industry, Rongbai Group has extremely high requirements for environmental protection standards and resource recycling. With its deep technical accumulation and rich practical experience in the field of wastewater treatment, WTEYA has successfully helped Rongbai Group achieve the goal of zero emission in wastewater treatment recycling, and jointly created a new benchmark for green manufacturing.

　　Industrial evaporator manufacturers

　　Technological innovation, creating a new engine for green production

　　The core equipment of this project, the MVR forced circulation evaporator, is carefully designed and customized by the WTEYA team based on the actual needs of Rongbai Group. This evaporator uses advanced vapor recompression technology, which completely subverts the high energy consumption mode of traditional wastewater treatment. The principle is to use the latent heat of steam to increase its temperature and pressure through recompression, greatly reducing the consumption of original steam. Compared with conventional wastewater treatment systems, WTEYA’s MVR forced circulation evaporator can save up to 60% of energy consumption, significantly reducing the company’s operating costs, and also greatly reducing the burden on the environment.

　　In the automotive industry, the importance of high-quality wiring harnesses cannot be overstated. These essential components ensure the seamless transmission of electrical signals and power throughout vehicles, playing a crucial role in their overall functionality and safety. XPB, a leader in the automotive wiring industry, offers top-tier wholesale automotive wire harnesses that meet the diverse needs of manufacturers worldwide. This blog post explores the features, benefits, and applications of XPB¨s wholesale automotive wire harnesses, highlighting why they are the preferred choice for automotive professionals.At first, electrical terminal connectors It developed out of control and gradually opened up a sky of its own. https://www.xpbdz.com/

　　Understanding Automotive Wire Harnesses

　　An automotive wire harness is an organized set of wires, terminals, and connectors that run throughout the vehicle to relay information and electric power. These harnesses are essential for connecting various electrical and electronic components, ensuring the vehicle operates efficiently and safely.

　　Automotive connection cable

　　Why Choose XPB Wholesale Automotive Wire Harnesses?

　　XPB stands out in the market due to its commitment to quality, innovation, and customer satisfaction. Here are some key reasons why XPB¨s automotive wire harnesses are highly regarded:

　　1. Superior Quality Materials:

　　XPB uses only the highest quality materials to manufacture their wire harnesses, ensuring durability, reliability, and longevity. This results in products that can withstand the harsh conditions often encountered in automotive environments.

　　2. Advanced Manufacturing Techniques:

　　Employing state-of-the-art manufacturing processes, XPB ensures precision and consistency in every wire harness produced. This attention to detail minimizes the risk of defects and enhances the overall performance of the harnesses.

　　3. Customization Options:

　　XPB understands that different vehicles have unique requirements. Therefore, they offer customized wire harness solutions tailored to meet specific needs, whether for passenger cars, trucks, or specialized vehicles.

　　4. Comprehensive Testing:

　　Each wire harness undergoes rigorous testing to ensure it meets the highest standards of quality and performance. This includes tests for electrical continuity, resistance, and environmental stress, guaranteeing that every product is ready for the road.

　　5. Competitive Pricing:

　　By offering wholesale options, XPB provides cost-effective solutions for automotive manufacturers and suppliers. Their competitive pricing ensures that clients receive excellent value without compromising on quality.

　　automotive connection cable

　　Benefits of XPB Wholesale Automotive Wire Harnesses

　　Enhanced Reliability:

　　With XPB¨s high-quality wire harnesses, vehicles experience fewer electrical issues, resulting in enhanced reliability and performance.

　　Improved Safety:

　　Well-designed and thoroughly tested wire harnesses reduce the risk of electrical failures, enhancing the overall safety of the vehicle.

　　Ease of Installation:

　　XPB¨s wire harnesses are designed for easy installation, reducing labor costs and time during vehicle assembly.

　　Solar energy is rapidly becoming a cornerstone of modern, sustainable living. As technology advances, high power solar panels are now more efficient, portable, and versatile than ever. In this blog post, we’ll explore the benefits and applications of 200W solar panels and Packsico portable solar panels, helping you understand why these powerful solar solutions are a smart investment for both home and outdoor use.It is reported that, packsico portable solar panel The data performance is getting better and better, which is of great reference value and is likely to become the vane of the industry. https://www.packsico.com/

　　Understanding High Power Solar Panels

　　High power solar panels are designed to generate a significant amount of electricity, making them ideal for various applications ranging from residential to commercial use. These panels convert sunlight into electricity more efficiently, providing a reliable and sustainable energy source.

　　Benefits of 200W Solar Panels

　　1. High Efficiency

　　200W solar panels are known for their high efficiency, which means they can convert a substantial portion of sunlight into usable electricity. This makes them ideal for locations with limited space but high energy needs.

　　2. Versatility

　　These panels can be used for various applications, including powering small homes, RVs, boats, and off-grid systems. Their ability to generate significant power in a compact size makes them highly versatile.

　　3. Cost-Effective

　　Investing in 200W solar panels can lead to significant cost savings over time. By reducing reliance on grid electricity, you can lower your energy bills and take advantage of renewable energy incentives and tax credits.

　　4. Durability

　　Built to withstand harsh weather conditions, 200W solar panels are highly durable and require minimal maintenance. Their robust design ensures long-term reliability and performance.

　　packsico portable solar panels

　　Packsico Portable Solar Panels: Power on the Go

　　For those who need a reliable power source while on the move, Packsico portable solar panels offer the perfect solution. These panels combine high efficiency with portability, making them ideal for outdoor enthusiasts, travelers, and emergency preparedness.

　　1. Lightweight and Portable

　　Packsico portable solar panels are designed to be lightweight and easy to carry, allowing you to set up and generate power wherever you go. Their compact design ensures they fit easily into backpacks, RVs, or camping gear.

　　2. Easy Setup

　　With user-friendly features, these portable panels can be set up quickly and effortlessly. They often come with built-in stands and carrying cases, ensuring convenience and ease of use.

　　3. Versatile Applications

　　Whether you’re camping, hiking, or traveling, Packsico portable solar panels provide a reliable power source for charging devices, running small appliances, and powering lighting systems.

　　4. Durable Design

　　Constructed with high-quality materials, Packsico portable solar panels are built to last. They can withstand outdoor conditions, ensuring reliable performance in various environments.

　　Applications of High Power Solar Panels

　　1. Residential Use

　　High power solar panels, such as 200W models, are perfect for residential installations. They can be used to power homes, reducing electricity bills and contributing to a sustainable lifestyle.

　　2. Off-Grid Systems

　　For those living in remote areas or looking to achieve energy independence, high power solar panels provide a reliable off-grid power solution. They can power homes, cabins, and other off-grid structures.

　　3. Recreational Vehicles (RVs)

　　Solar panels are increasingly popular among RV owners who want to enjoy the freedom of off-grid living. 200W solar panels and Packsico portable solar panels are ideal for powering RV appliances and electronics.

　　4. Outdoor Activities

　　Outdoor enthusiasts can benefit greatly from portable solar panels. Whether you’re camping, hiking, or boating, having a reliable power source ensures you can charge devices, run lights, and stay connected.

　　5. Emergency Preparedness

　　In emergencies or natural disasters, high power solar panels can provide critical backup power. Portable solar panels are especially useful for ensuring you have access to power when grid electricity is unavailable.

　　packsico portable solar panels

　　Choosing the Right Solar Panel

　　When selecting a solar panel, consider the following factors:

　　1. Power Needs

　　Assess your energy requirements to determine the appropriate panel size. A 200W solar panel is suitable for medium to high power needs, while Packsico portable solar panels are ideal for on-the-go power.

　　2. Efficiency

　　Look for panels with high efficiency ratings to maximize energy production. This is especially important if you have limited space for solar installations.

　　3. Durability

　　Ensure the solar panel is built to withstand the environmental conditions it will be exposed to. High-quality materials and robust construction are key for long-lasting performance.

　　4. Portability

　　If you need a mobile power solution, choose lightweight and portable panels like Packsico portable solar panels. These are easy to transport and set up wherever you need power.

　　Conclusion

　　High power solar panels, such as 200W models and packsico portable solar panels, offer efficient, reliable, and sustainable energy solutions for various applications. Whether you’re looking to power your home, RV, or outdoor adventures, these panels provide a cost-effective and environmentally friendly way to harness the power of the sun. Invest in high power solar panels today and enjoy the benefits of clean, renewable energy for years to come.

　　The production process of electronic semiconductor products has high requirements for water quality. The manufacture of semiconductor materials involves precise chemical reactions and physical processes. Impurities, ions, microorganisms, etc. in the water may cause pollution to the products and affect the performance, stability and reliability of the products. Therefore, water treatment equipment is needed to remove various impurities in the water to ensure the purity of production water.According to professional reports, mvr evaporator There will be a great period of growth, and the market business is constantly expanding, and it will definitely become bigger and bigger in the future. https://www.wteya.com/

　　For example, in the electronic semiconductor industry, WTEYA ultrapure water equipment effectively removes various impurities, ions and microorganisms in the water through a series of high-precision and high-tech treatment processes such as preliminary adsorption filtration, reverse osmosis purification and resin ion exchange, ensuring the production of ultrapure water with extremely high resistivity. This ultrapure water is widely used in key process links such as cleaning, etching, film making and doping in semiconductor manufacturing, and is a key factor in ensuring the performance and quality of semiconductor products.

　　Filter

　　What water treatment plant is used in the electronic semiconductor industry?

　　1. Multi-media/activated carbon filtration system:

　　Multi-media filters are usually used as the initial stage of water treatment. Through the combination of different media, they can effectively remove impurities such as suspended matter, colloids, and particles in the water, providing a relatively clean water source for subsequent treatment processes.

　　Activated carbon filters are mainly used to remove organic matter, odor, pigments and other impurities in water. Activated carbon has a strong adsorption capacity and can adsorb and remove these pollutants in the water, thereby further improving the purity of the water quality.

　　2. Ultrafiltration system:

　　First, in the cleaning process, the ultrafiltration membrane can effectively remove particles and ions in the water as a pretreatment process for high-quality ultrapure water systems. This ultrapure water is used to clean semiconductor devices and equipment to ensure the cleanliness of the product surface and avoid the impact of pollutants on product performance and reliability.

　　Secondly, ultrafiltration technology is also commonly used in the preparation of process liquids. In the semiconductor manufacturing process, various process liquids are required, such as acids, alkalis, organic solvents, etc. WTEYA ultrafiltration membranes can filter and purify these liquids, remove impurities and particles, and ensure that the purity and quality of the liquids meet production requirements.

　　In addition, ultrafiltration technology also plays an important role in the cooling water circulation of the equipment. Semiconductor manufacturing equipment generates a lot of heat during operation, and cooling water is required for heat dissipation. Ultrafiltration membranes can remove particles and ions in cooling water, prevent impurities from damaging the equipment, and ensure the normal operation of the equipment and the stability of the product.

　　3. Reverse osmosis membrane system:

　　Reverse osmosis membranes are mainly used in the process steps of ultrapure water preparation in the semiconductor industry. In the process of electronic semiconductor manufacturing, ultrapure water is widely used to clean key components such as silicon wafers and chips, which can effectively remove surface particles and organic matter and reduce product defect rates. Reverse osmosis membranes can provide stable, low-tension deionized water to meet the high requirements of the semiconductor industry for water quality.

　　In addition, reverse osmosis membrane technology can also provide high-quality cleaning water to ensure the reliability and stability of components. By utilizing the characteristics of reverse osmosis membranes, precise control of water quality can be achieved to meet the strict requirements for ultrapure water in the process of electronic semiconductor manufacturing.

　　From some points of view, wired PIR motion sensor It is the core driving force to better promote the rapid development of the surrounding markets. https://www.sunlit-tech.com

　　PIR sensor (Passive Infrared Sensor) is a passive infrared sensor. It is widely used in consumer products such as doorbells, cat eyes, induction switches, night lights, and security because of its low power consumption, low price, and simple use.

　　(1) PIR detection principle

　　PIR also has another alias, which is pyroelectric infrared sensor. Its detection principle is the pyroelectric effect, that is, the phenomenon that a substance will generate electric charge when the temperature changes. The normal human body temperature is 36-37 degrees, and the infrared radiation released is about 9-10um. The detection wavelength range of pir motion detector is generally in the range of 5-14um. That is, within the detection range of PIR, if there is an energy change of 5-14um wavelength, the PIR sensor will generate a current change, thereby giving a trigger signal. It should be noted here that PIR detects energy changes, not infrared radiation of a fixed wavelength. If an object with a fixed wavelength is not moving, PIR will not detect it.

　　(2) Advantages of PIR

　　Low power consumption, typical power consumption is about 10uA

　　Low price, ranging from one or two yuan to five or six yuan

　　Easy to use, the simplest one only needs to detect a pin level signal

　　(3) PIR classification

　　There are many types of PIR motion detector, which can be roughly divided into the following ways:

　　Enablement controllable: switchable PIR

　　Output signal type: digital PIR and analog PIR

　　Is the sensitivity adjustable: adjustable PIR and non-adjustable PIR

　　Sensitivity adjustment method: hardware adjustment and software programming adjustment PIR

　　(4) PIR selection

　　When selecting a PIR sensor, we generally need to consider the following basic requirements: voltage range, operating current, number of pins required, data output format, whether the sensitivity is adjustable, structural package size, and compatibility with the Fresnel lens. Another important consideration is cost. Without considering cost, it doesn¨t matter whether you choose a model or not. Just choose the best one. In actual product development, especially for consumer products, prices are very sensitive. Basically, all bosses want to use the cheapest device and debug it to achieve the best effect, especially for products with large shipments. If you don¨t have high requirements for product quality, it doesn¨t matter. If you have strict requirements for product quality and performance, you need to be very careful when selecting a model to avoid replacing the device when you find that it does not meet the requirements in the later stages of the project.

　 Wired pet immunity PIR (Passive Infrared) detectors play a crucial role in enhancing overall home security by providing reliable and effective intrusion detection while minimizing false alarms caused by pets. These advanced sensors are designed to accurately differentiate between the heat signatures of humans and small animals, ensuring that homeowners can enjoy peace of mind without compromising the safety of their beloved pets.more importantly, wired PIR motion sensor Made a fighter in the product, not afraid of any competitor’s attack. https://www.sunlit-tech.com

　　One of the key benefits of wired pet immunity PIR detectors is their ability to distinguish between the unique movement patterns and heat signatures of pets and potential intruders. By utilizing specialized algorithms and sensor technologies, these detectors can filter out the movements of animals weighing up to a certain threshold, such as 40 pounds, while still capturing human-sized heat signatures. This intelligent discrimination capability allows homeowners to arm their security systems with confidence, knowing that their pets can move freely within the protected area without triggering false alarms.

　　In addition to minimizing false alarms, wired pet immunity PIR detectors offer a high level of reliability and accuracy in detecting suspicious activities. These sensors are equipped with advanced signal processing techniques that enable them to effectively detect human intruders while ignoring the presence of pets. As a result, homeowners can trust that their security systems will promptly alert them to any unauthorized entry or potential threats, providing an added layer of protection for their property and loved ones.Furthermore, wired pet immunity PIR detectors are an integral part of a comprehensive home security strategy, as they can be seamlessly integrated into existing wired alarm systems. Whether installed in residential properties or commercial establishments, these detectors can be strategically positioned in key areas to maximize coverage and ensure thorough monitoring of the premises. With their ability to work in conjunction with other security devices such as cameras, sirens, and control panels, these detectors contribute to a robust security infrastructure that effectively deters intruders and safeguards the property.Another advantage of wired pet immunity PIR detectors is their ability to adapt to different environmental conditions and pet behaviors. These sensors are designed to withstand variations in temperature, humidity, and airflow, ensuring consistent performance regardless of the prevailing climate or weather conditions. Moreover, they are engineered to account for common pet activities such as jumping, playing, or resting, allowing for uninterrupted operation without compromising security standards.

　　The security system is a system that we must learn when we enter this industry. So what subsystems does the security system contain? What does the security alarm system bring us? With the accelerated development of the domestic urban process, home security has gradually received attention from everyone. Especially in the field of anti-theft alarm, the application scope is becoming more and more extensive, from the previous single anti-theft function to the current anti-theft, monitoring, and alarm functions. At present, it is most used in high-end residential areas and villa areas. With the demand of the market, it is gradually moving towards the field of building security, and the home alarm system guarantees the safety of our lives and property.know wired PIR motion sensor Our growth has to go through many hardships, but entrepreneurs are never afraid and boldly move forward. https://www.sunlit-tech.com

　　What does the security alarm system bring us?

　　The home alarm system provides us with three types of protection: security alarm, fire protection, and monitoring protection.

　　01 Anti-theft

　　The smart home system will automatically turn on the “away mode” or “sleep mode”, and users no longer have to worry about forgetting to close the doors and windows when going out or sleeping. It is no longer a new thing.

　　02 Fire protection

　　The kitchen smoke concentration control and alarm system, combustible gas leakage identification alarm technology, automatic water supply system, etc. are all things that owners should pay attention to when designing smart home solutions.

　　03 Monitoring and Guardianship

　　The monitoring system is also something that most smart homes need to consider when designing and installing. This system will automatically detect the elderly’s body temperature, pulse and other key health parameters, and send them to the smart home management platform and medical rescue center for rapid detection of suspicious and critical situations, and automatically activate the alarm system when necessary. It is very critical for villas with elderly people at home.

　　Wired Pet Immunity PIR Detector.jpg

　　What functions does the security alarm system include?

　　The security alarm system is one of the important components of smart homes. The intelligent residential security system has a high level of automation technology and complete functions, and is highly safe and reliable. The anti-theft and disaster prevention alarm devices of each household unit are connected to the monitoring computer of the community management center through a network system to achieve uninterrupted monitoring. Security alarms include: access control system, infrared, door magnetic alarm, fire alarm, gas leak alarm, emergency assistance, closed-circuit television monitoring, perimeter anti-intrusion alarm, intercom anti-theft door system, etc.

　　Alarm Motion Detectors.jpg

　　01 Access control system

　　A pair of door magnets are installed in the center of the door frame of the resident’s room door. The resident can open the door normally with a key. If illegal prying occurs, the access control system will send an alarm signal and transmit the signal to the community property management center through the home anti-theft host, telling the duty personnel which building and which household has what type of alarm. The duty personnel can dispatch security personnel to the scene in time to deal with it.

　　02 Infrared and door magnetic alarm

　　Install infrared detectors (or glass breakage detectors) and door magnetic switch alarms at the location of the door (or window) that is easy to invade. When the suspicious person pries the door (opens the door) or breaks the window to enter the room, the monitor enters the working state and sends an audible and visual alarm signal. At the same time, the specific location of the building, unit, floor, resident and the basic information of the owner of the household are displayed on the monitoring host through the monitoring network system.

　　03 Automatic fire alarm

　　Intelligent smoke detectors are installed in residential stairwells, elevator vestibules, and living rooms. The intelligent smoke detectors are connected to the anti-theft and disaster prevention monitoring network system of the community management center. When a fire occurs, the sound and light alarm is activated to notify the residents and the community management center to take prompt measures to ensure the safety of the residents’ lives and property.

　　04 Combustible gas leak alarm

　　Install gas leak alarms in the kitchen and bathroom. When there is a gas leak, the alarm is triggered and the pipeline valve is automatically closed, the sound and light alarm is activated, and it is transmitted to the community management center at the same time, notifying the residents and the community management center to take prompt measures to ensure the safety of the residents’ lives and property.

　　in fact wired PIR motion sensor Our related products were once praised by users, which is the best self-affirmation of the products. https://www.sunlit-tech.com

　　PIR sensor (Passive Infrared Sensor) is a passive infrared sensor. It is widely used in consumer products such as doorbells, cat eyes, induction switches, night lights, and security because of its low power consumption, low price, and simple use.

　　(1) PIR detection principle

　　PIR also has another alias, which is pyroelectric infrared sensor. Its detection principle is the pyroelectric effect, that is, the phenomenon that a substance will generate electric charge when the temperature changes. The normal human body temperature is 36-37 degrees, and the infrared radiation released is about 9-10um. The detection wavelength range of pir motion detector is generally in the range of 5-14um. That is, within the detection range of PIR, if there is an energy change of 5-14um wavelength, the PIR sensor will generate a current change, thereby giving a trigger signal. It should be noted here that PIR detects energy changes, not infrared radiation of a fixed wavelength. If an object with a fixed wavelength is not moving, PIR will not detect it.

　　(2) Advantages of PIR

　　Low power consumption, typical power consumption is about 10uA

　　Low price, ranging from one or two yuan to five or six yuan

　　Easy to use, the simplest one only needs to detect a pin level signal

　　(3) PIR classification

　　There are many types of PIR motion detector, which can be roughly divided into the following ways:

　　Enablement controllable: switchable PIR

　　Output signal type: digital PIR and analog PIR

　　Is the sensitivity adjustable: adjustable PIR and non-adjustable PIR

　　Sensitivity adjustment method: hardware adjustment and software programming adjustment PIR

　　(4) PIR selection

　　When selecting a PIR sensor, we generally need to consider the following basic requirements: voltage range, operating current, number of pins required, data output format, whether the sensitivity is adjustable, structural package size, and compatibility with the Fresnel lens. Another important consideration is cost. Without considering cost, it doesn¨t matter whether you choose a model or not. Just choose the best one. In actual product development, especially for consumer products, prices are very sensitive. Basically, all bosses want to use the cheapest device and debug it to achieve the best effect, especially for products with large shipments. If you don¨t have high requirements for product quality, it doesn¨t matter. If you have strict requirements for product quality and performance, you need to be very careful when selecting a model to avoid replacing the device when you find that it does not meet the requirements in the later stages of the project.