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In the industrial sector, the performance of locks is critical. It is not only related to the safety of equipment and assets, but also affects productivity and operating costs. In recent years, industrial passive locks have gradually come into their own, showing many advantages over traditional active locks. Firstly, let's compare the performance differences between industrial passive locks and active locks. Active locks usually require a power supply, which means there is a risk of problems such as battery depletion and wiring failure. Industrial passive locks, on the other hand, do not require a power supply and rely entirely on the mechanical structure and intelligent chip to achieve the function of opening and closing the lock. This feature makes the passive lock has the advantage of maintenance-free, greatly reducing the use of cost and maintenance workload. In terms of power consumption, active locks require continuous power supply, its power consumption is relatively high. Passive locks in the work of almost no energy consumption, only in the moment of unlocking will produce a small energy consumption. This is undoubtedly a huge advantage for some industrial scenarios with strict power consumption requirements. For example, in some remote areas of industrial facilities, the use of passive locks can be avoided due to power supply problems. High reliability is another outstanding advantage of industrial passive locks. The electronic components of active locks are susceptible to environmental factors such as high temperature, low temperature, humidity, sand and dust. The mechanical structure and intelligent chip of passive locks are relatively stable and can maintain good performance in various harsh environments. In high-temperature environment, the battery of active lock may overheat, leakage and other problems, while the passive lock is not affected; in low-temperature environment, the performance of the electronic components of active lock may decline, while the passive lock can still work normally. In humid and dusty environments, active locks are susceptible to corrosion and damage, while passive locks offer better protection. Next, we explore the stability and adaptability of industrial passive locks in harsh environments. Industrial passive locks work reliably in both hot desert regions and cold polar environments. Its robust mechanical structure can withstand the erosion of wind, sand, rain and dust, and the intelligent chip can maintain stable performance under extreme temperatures. For example, in some chemical enterprises, there are a lot of corrosive gases and liquids in the production environment, active locks are easily damaged, while passive locks can be used for a long time in this harsh environment. In addition, industrial passive locks also have higher security. Since no power supply is required, passive locks are not affected by electromagnetic interference and hacker attacks. At the same time, its unique mechanical structure and encryption technology also makes it much more difficult to crack. In some of the extremely high security requirements of the industrial sector, such as military, energy, etc., the security advantages of passive locks are more obvious. In short, the industrial passive lock shows great potential in the industrial field with its advantages of maintenance-free, low power consumption and high reliability. In harsh environments, its stability and adaptability is a reliable guarantee for industrial production. With the continuous progress of technology, I believe that industrial passive lock will be widely used in more fields.

(A) policy support and enterprise research and development In recent years, the state has vigorously promoted the development of the Internet of Things, big data, new energy, and introduced various industrial policies one after another, creating a favourable environment for the development of the smart lock industry. Under the guidance of the policy, the smart lock industry towards orderly, high-end direction, encouraging enterprise transformation and upgrading, quality and efficiency. Many smart lock R & D and manufacturing enterprises to respond positively to the policy call, in the passive smart lock research and development to invest a lot of human and material resources. According to incomplete statistics, there are a number of enterprises in the passive smart lock R & D has achieved significant results, and gradually formed their own unique passive smart lock products. The efforts of these enterprises not only promote the progress of passive smart lock technology, but also injected new vitality for the development of the industry. (B) Reduce management and maintenance costs Industrial passive locks without built-in batteries, avoiding the traditional electronic locks due to battery problems brought about by the maintenance problems, greatly reducing maintenance costs. At the same time, the opening and closing logs can be automatically uploaded to the platform, so that managers can monitor the use of locks in real time. Intelligent key one-to-many unlocking function, making the management more convenient and efficient, reducing management costs. For example, in the logistics management of some large enterprises, the use of passive smart locks reduces management costs by about 30% and improves management efficiency by more than 40%. With the continuous progress of technology, the advantages of passive smart locks in reducing management and maintenance costs will be more obvious. (C) Wide range of applications At present, industrial passive locks have been widely used in electric power, communications, petroleum, customs, logistics, troops, railways, banks, hazardous chemicals and other industrial fields. In the future, with the continuous maturation of technology and the increase in market demand, the application scope of passive intelligent locks will be further expanded. In the field of intelligent manufacturing, passive smart locks can provide safe and reliable access control management for intelligent factories, and safeguard the security of production equipment and materials. In the construction of smart cities, passive smart locks can be applied to the management of public facilities, such as street lights and bins, to improve the intelligent level of urban management. In addition, with the continuous development of the smart home market, passive smart locks will also gradually enter the family, bringing more convenience and security to people's lives. It can be predicted that industrial passive locks will become an important part of the lock market in the future, providing strong support for the development of various industries.

（一）Differences in the location of the operating power supply Active lock is set up in the lock body working power supply, the need for working power has been on standby, which leads to active locks working power supply power consumption is extremely fast, and maintenance is extremely troublesome. The passive lock will work on the power transposed to the electronic key, when the ‘active electronic key’ and ‘passive electronic lock’ contact at the same time, ‘active electronic key’ on the power supply and unlocking Electronic code into the built-in microcomputer ‘passive electronic lock’ at the same time, the two passwords meet, the lock will be able to open. This is a good solution to the active lock consumes a large number of batteries, the need for frequent maintenance, complex structure, low degree of generalisation and standardisation, the failure rate of a series of inherent problems. （二）Different management systems and characteristics Battery-free lock management system is more intelligent and rigorous. Passive locks are characterised by contact communication, built-in high security chips, idle and snap-in interfaces. In contrast, the management system of active locks is relatively complex and requires consideration of power supply and maintenance issues. Active locks are usually larger in size, with higher installation and maintenance costs. Passive locks are simple and easy to install, without the need to provide power and network, for outdoor cabinets and other scenarios is more convenient and reasonable. Passive locks are equipped with advanced technology for upgrading the function of old cabinets and intelligent management of new cabinets. The unlocking record can be checked at any time, and it can keep abreast of the cabinet repair and maintenance situation.   For example, in some unattended server rooms, the passive intelligent lock identification function realises the transition from ‘key unlocking’ to ‘human unlocking’ direction, and only personnel with authority can complete the unlocking action. Active locks in this scenario may not be able to meet the demand due to power issues and maintenance difficulties. In addition, the electronic key of passive locks cannot be copied, ensuring the security of the lock. While the key of active locks may have the risk of being copied, the security is relatively low.   In summary, industrial passive locks and active locks in the work of the power supply location, management system and features, there are obvious differences. Passive locks provide a smarter, safer and more convenient locking solution with broad application prospects while solving the inherent problems of active locks.

(A) National Grid Industrial passive locks play an important role in the national power grid. By realising the Internet + lock management of metering boxes and distribution boxes, the security and management efficiency of power grid equipment have been greatly improved. The high security of passive electronic locks can effectively prevent illegal opening of metering and distribution boxes and avoid malicious damage or theft of power equipment. At the same time, the intelligent management system can monitor the lock status in real time and record the information of opening and closing the lock, which is convenient for the management personnel to carry out remote monitoring and data analysis. According to statistics, after adopting the industrial passive lock management system, the theft rate of electric equipment in a region of the State Grid has been reduced by 80%, and the equipment fault investigation time has been shortened by 50%, which has greatly improved the reliability and stability of the power grid. (B) National Energy Group National Energy Group cooperates with Industrial Passive Lock to develop lock management system for hydropower stations, which provides a brand new solution for the safe operation of hydropower stations. The waterproof and dustproof performance and stability of passive electronic locks have been fully verified in the complex environment of hydropower stations. The combination of intelligent fingerprint key and management software achieves unified management of locks, personnel, time and location, effectively preventing unauthorised personnel from entering important areas. Industrial passive locks have been widely used in various hydropower stations of National Energy Group, improving the management level and security of hydropower stations. For example, after adopting the industrial passive lock management system in a large hydropower plant, the key management efficiency has been improved by 70 per cent, and the equipment maintenance time has been shortened by 40 per cent, providing strong support for the efficient operation of the hydropower plant.

(A) high security Industrial passive locks use radio frequency identification technology encryption algorithm, which greatly increases the difficulty of cracking the lock. According to relevant data, the cracking success rate of traditional mechanical locks is relatively high, while the cracking success rate of passive electronic locks is extremely low, which effectively prevents illegal intrusion behaviours such as theft, peeping and cracking. For example, in some important commercial places and public places, the use of passive electronic locks can provide users with higher security, so that users do not need to worry about the security of valuables and important information.   (B) strong diversity Passive electronic lock identification card has a strong diversity, according to the user's needs for personalised design. Different identification cards can have a different appearance, size and material, to meet the user's personalised choice and use of demand. For example, some enterprises can design the identification card with the style of the corporate logo, which is not only convenient for employees to identify, but also enhance the corporate image. At the same time, diversified identification cards also provide users with more choices to meet the needs of different users in different scenarios.   (C) good waterproof and dustproof performance Industrial passive locks have good waterproof and dustproof performance, can adapt to a variety of environments. Relevant tests show that passive electronic locks can work properly in high humidity environments, and can effectively prevent dust from entering the lock, affecting the performance of the lock. This makes passive electronic locks can be widely used in outdoor, high humidity environment and dusty occasions, such as public places of access control, car parks and so on. In these environments, traditional mechanical locks are susceptible to water and dust, leading to problems such as rusting and clogging of the lock cylinder, while passive electronic locks can well avoid these problems.   (D) Energy saving and environmental protection Passive electronic locks use wireless communication technology for data transmission, without external power supply or battery power. This not only reduces the consumption of energy, but also reduces the pollution of the environment by used batteries. According to statistics, traditional electronic locks consume a huge number of batteries each year, and these used batteries, if not properly disposed of, will cause serious pollution to the environment. In contrast, the energy-saving and environmental protection advantages of passive electronic locks are more obvious.   (E) Easy maintenance Industrial passive locks have low maintenance costs. Since there is no need for keys and mechanical actuators, passive electronic locks are not easily damaged. At the same time, it also eliminates the need to re-produce keys or replace the lock cylinder due to key loss or mechanical failure. In practice, the failure rate of passive electronic locks is extremely low, greatly reducing maintenance costs and maintenance workload. This is undoubtedly a great advantage for some enterprises and places that need to use a large number of locks.

In today's society, security is of great concern. Passive locks have become a star product in the security field with its unique advantages. Passive locks do not require power to work, which makes them unique among many locks. Compared with active locks, the advantages are obvious. First of all, the security is extremely high. Does not depend on the power supply, not subject to power failures and electromagnetic interference, to avoid the failure of the lock due to power problems. And usually adopts advanced mechanical structure and encryption technology, can resist violence to open and illegal crack, for property and important items to provide solid protection. Secondly, the environmental performance is outstanding. No need for power supply, does not consume electricity, reduce the burden on the environment, in line with the trend of green environmental protection. Furthermore, it is easy to install and use. No need for complex wiring and power access, easy and fast installation, suitable for home, office, commercial premises, etc. Simple operation, can be opened by key, password, fingerprint and other ways, bringing great convenience. In addition, it has a wide range of application scenarios and can be used in home door locks, safes, file cabinets, warehouse doors, etc., providing all-around security for home and work environments. It is also widely used in commercial areas, such as hotels, shopping malls, banks and other places. From the perspective of market trends, passive locks are developing vigorously. On the one hand, people's demand for security has increased, and the security and reliability of locks are more demanding. Passive locks meet the market demand with excellent security performance, and have a broad application prospect in finance, communications, electricity and other industries with extremely high security requirements. On the other hand, with the progress of science and technology, passive lock technology continues to innovate and improve. New passive locks combined with the Internet, artificial intelligence and other technologies to achieve remote monitoring, intelligent management and other functions, bringing a more convenient and efficient security experience. In the future, passive locks are expected to be applied in more fields, and the market scale will continue to expand. In order to promote passive locks, we take a combination of online and offline. Online, we utilize social media, websites, forums, etc. to release information and product introductions, so that users can keep abreast of the latest developments. Offline to participate in security exhibitions, industry conferences and other activities, face-to-face communication with users to answer questions, so that users can personally experience the convenience and security. We also work closely with distributors and partners to establish a wide range of sales channels and service networks to ensure that users can conveniently purchase and enjoy quality after-sales service. In conclusion, passive locks, as innovative security products, have high security, environmental protection, convenience and a wide range of application scenarios. With the development of the market and technological progress, it has a broad prospect. We will continue to promote the application of passive locks to provide users with high-quality security solutions and open a new era of security. Let's join hands to meet the safe future brought by passive locks.

NFC (Near Field Communication) locks differ from traditional locks in several fundamental ways, involving the mechanism of operation, security features, convenience, and additional functionalities. Here are the key differences: 1. Mechanism of Operation Traditional Locks: These locks typically use a mechanical key and tumbler system. A key with a specific cut pattern is inserted into the lock, aligning the pins inside to unlock it.   NFC Locks : These locks use wireless communication technology. An NFC-enabled device (such as a smartphone or keycard) is brought close to the lock, which then reads the data from the device to authenticate and unlock. 2. Security Features Traditional Locks: Security depends largely on the complexity of the key and the quality of the lock mechanism. They can be vulnerable to picking, bumping, and duplication of keys.   NFC Locks: These locks offer advanced security features such as encrypted communication and digital authentication. They are less vulnerable to traditional lock-picking methods but can still be susceptible to digital attacks if not properly secured. 3. Convenience Traditional Locks: Require carrying physical keys. If keys are lost or stolen, the locks need to be rekeyed or replaced.   NFC Locks: Provide keyless entry, allowing users to unlock with devices they already carry, like smartphones or NFC-enabled cards. Access can be easily granted or revoked without changing the lock. 4. Additional Functionalities Traditional Locks: Generally, they offer no additional functionalities beyond locking and unlocking. NFC Locks: Can offer a range of smart features, such as:   Remote Access: NFC locks can be controlled remotely via smartphone apps.   Access Logs: They can keep records of who accessed the lock and when.   Integration with Smart Home Systems: NFC locks can be integrated with other smart home devices for enhanced automation and security.   Multiple Access Methods: Support for various NFC-enabled devices, not just keys.   5. Maintenance Traditional Locks: Typically require minimal maintenance beyond occasional lubrication and replacement if damaged.   NFC Locks: Software updates are necessary to maintain security.   6. Cost Traditional Locks: Generally less expensive to purchase and install.   NFC Locks: Tend to be more expensive due to the technology and features involved.   7. Scalability and Management Traditional Locks: Managing access for multiple users can be cumbersome, requiring physical keys for each user.   NFC Locks: Easily scalable and manageable, as digital keys can be distributed and revoked via software, without the need for physical changes to the lock.   8. Physical Durability Traditional Locks: Often more rugged and can operate without power, making them reliable in a wider range of conditions.   NFC Locks: Depend on electronic components and power sources, which can be a point of failure. However, many are designed to handle typical use scenarios effectively.   Conclusion NFC locks represent a significant technological advancement over traditional locks, offering enhanced security features, greater convenience, and additional smart functionalities. However, they also come with considerations such as higher cost, and potential vulnerabilities to digital attacks. The choice between NFC locks and traditional locks depends on the specific needs and context of use, including the importance of convenience, security, and integration with other smart systems.

NFC (Near Field Communication) locks are versatile and can be used in a variety of scenarios. Here are some common and suitable uses for NFC locks: Discover the Versatility of NFC 1. Residential Use   Home Security - Front Doors: Homeowners can use NFC door locks  on their main entrance doors to ensure secure and convenient access. They can use NFC-enabled smartphones or NFC key fobs to unlock the door. - Internal Doors: NFC door handle locks can be used on bedroom doors, home offices, or any other rooms where privacy is desired.   2. Office and Commercial Buildings   Office Security - Main Entrances: NFC locks  are ideal for controlling access to office buildings. Employees can use their NFC-enabled ID cards or smartphones to enter the building. - Conference Rooms: These locks can secure meeting rooms, ensuring that only authorized personnel can access them.   Retail and Hospitality - Hotel Rooms: Many modern hotels use NFC locks for guest rooms, allowing guests to unlock their rooms with their smartphones or NFC key cards. - Retail Stores: Staff-only areas in retail stores, such as stockrooms, can be secured with NFC locks to prevent unauthorized access. 3. Educational Institutions   Campus Security - Dormitories: NFC locks can be used on dormitory rooms to ensure that only residents and authorized personnel can enter. - Classrooms and Labs: Securing classrooms, laboratories, and other sensitive areas can be efficiently managed with NFC locks.   4. Healthcare Facilities   Hospital and Clinic Security - Patient Rooms: Access to patient rooms can be controlled to ensure only medical staff and authorized visitors can enter. - Pharmacies: Securing areas where medications are stored can prevent unauthorized access and theft. 5. Industrial and Manufacturing Facilities   Facility Security - Restricted Areas: NFC locks can be used to secure areas with sensitive equipment or confidential information. - Tool and Equipment Rooms: Ensuring that only authorized personnel have access to tools and equipment can improve security and accountability.   6. Multi-Unit Residential Buildings   Apartment Security - Individual Units: Apartment complexes can use NFC locks for individual units, allowing residents to access their apartments with an NFC key card or smartphone. - Common Areas: Securing common areas such as gyms, laundry rooms, and storage rooms can be managed with NFC locks.   7. Co-Working Spaces   Shared Office Security - Private Offices: Co-working spaces can use NFC locks to secure private offices and meeting rooms, providing access only to those who have booked them. - Main Entrance: Controlling access to the main entrance ensures that only members and authorized visitors can enter the co-working space.   8. Automotive   Vehicle Access - Car Doors: Some modern vehicles use NFC technology  to allow keyless  entry and start, enhancing convenience and security. 9. Smart Homes and IoT Integration   Home Automation - Integration with Smart Home Systems: NFC locks can be integrated with other smart home devices and systems, allowing for automated routines, such as unlocking the door and turning on lights when you arrive home.   Advantages of NFC Locks in These Scenarios   1. Convenience: No need to carry multiple keys; NFC-enabled devices (like smartphones) can be used. 2. Security: Encrypted communication and short-range operation reduce the risk of unauthorized access. 3. Flexibility: Easy to grant or revoke access permissions , ideal for dynamic environments. 4. Activity Tracking: Many NFC locks come with logging features to track who accessed the lock and when. 5. Integration: Compatible with various smart home and security systems, enhancing overall property management. 6. Battery-less : NFC locks can be made without battery inside, then the user doesn’t need to worry about the power consumption for locks, and it also doesn’t need to consider whether to change or recharge battery. It is one real battery-free  or   battery-less locking solution .   Conclusion   NFC locks offer a secure, convenient, and versatile solution for a wide range of applications, from residential homes to commercial buildings, educational institutions, healthcare facilities, and more. Their ability to integrate with modern technology and systems makes them a preferred choice for enhancing security and accessibility.

NFC (Near Field Communication) locks are becoming increasingly popular for both residential and commercial use. Here are the advantages and disadvantages of using NFC locks: Advantages 1. Convenience: Easy Access: Users can unlock the lock quickly by simply tapping their NFC-enabled device (like a NFC smartphone or a NFC key fob) against the lock. No Need for Physical Keys: Eliminates the need to carry keys, reducing the risk of losing them.   2. Security:    Encrypted Communication: NFC locks use encrypted communication, making it difficult for unauthorized users to intercept and replicate access credentials.   Access Control: Providing the ability to control and restrict access easily. Users can grant or revoke access remotely, which is particularly useful for managing multiple users.   3. Integration with Smart Home Systems:    Automation: NFC locks can be integrated with other smart home devices, allowing for automation and remote control via smartphones or smart home hubs.    Notifications: Users can receive notifications when the lock is used, adding an extra layer of security and awareness.   4. Durability:    Wear and Tear: Unlike traditional locks, NFC locks have fewer moving parts that can wear out over time, potentially offering greater longevity.   Disadvantages   1. Compatibility and Standardization:    Device Compatibility: Not all devices support NFC, which might limit the accessibility for some users.    Standards Variation: Different manufacturers may use varying standards and protocols, potentially causing compatibility issues.   2. Learning Curve:    User Adaptation: Users need to become familiar with how NFC locks operate, which might be challenging for those who are not tech-savvy.   Conclusion   NFC locks offer significant advantages in terms of convenience, security, and integration with modern technology. However, they also come with potential drawbacks such as compatibility and using experience. When considering an NFC lock, it's important to weigh these factors and consider the specific needs and circumstances of the user or property.