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Demand analysis
The so-called electronic seal technology refers to an authentication technology that can record whether the carriage or other hard packaging has been secretly opened, and can automatically call the police when it is opened illegally. The electronic seal can realize the automatic identification of the container, record the container switch status information in the cargo transportation into the electronic label, and become the carrier of the cargo transportation information. The verification target that is turned on. Once the electronic seal is damaged, it will be reflected to the computer monitoring system.
Generally, electronic seals adopt a hybrid form of physical seals and RFID components. Most electronic seals also use passive and active RFID technologies. The main features of passive electronic seals are: short use distance, low cost, and one-time use. Since passive seals cannot provide continuous power to detect the state of the seal, they cannot detect and record the time when the damage occurred, but only provide information about their integrity when passing through a supply chain node equipped with reading equipment.
This technology has caused serious problems in the communication between trucks with heavy metal doors and the on-board computer, and the business process for drivers to operate such electronic seals often takes a few minutes, which makes some drivers feel too cumbersome. The speed of its application expansion is severely restricted. Passive seals are the United States’ preferred security solution to prevent theft before the “9.11” incident. Since the “9.11” terrorist incident, in order to prevent terrorist organizations from using ships to carry weapons of mass destruction or terrorists into the United States, the US government has continuously strengthened its Security measures for ports and shipping. CSI (Container Security Protocol) is a measure introduced by the US government based on this consideration. According to the agreement, the U.S. implements excellent inspection of containers from CSI’s corresponding ports, which strongly stimulated the rapid development of electronic seal technology. Due to its stronger safety performance, the active seal has received more demand and promotion after the “9.11 incident”. Active seals, combined with GPS technology, can transmit real-time information about the time, location and surrounding environment of the state change to the machine of the owner or manager when the state of the container changes. There are also some active electronic seals that can provide instant distress signals when damage occurs. In the long run, active electronic seals improve the safety and transparency of container transportation, and will greatly reduce overall transportation costs. And with the maturity of technology and the reduction of cost, active electronic seal technology is increasingly being adopted in the wider field of cargo transportation security.
Relying on its solid foundation in the field of active RFID technology, Shanghai Boao Electronic Technology Co., Ltd. launched a new generation of reusable electronic seal lock combined with GPRS technology, named SP-sLock-100. The function and performance of sLock-100 greatly surpass traditional anti-counterfeiting methods, and it can be sealed on protected goods and various devices. Through the computer management system, the electronic seal lock can implement strict supervision on registration, issuance, inspection, unsealing, reuse, and cancellation, which fundamentally solves traditional anti-counterfeiting equipment such as lead seals, plastic seals, metal seals, lock seals, etc. Pasted seals are easy to be copied, illegally replaced, difficult to distinguish between authenticity and counterfeit, and difficult to manage.
application solution
According to the actual situation of the Shanghai-Chongqing bonded cargo route, we have designed a set of application schemes for electronic seal locks.
The electronic seal lock is installed at the switch of the container compartment. The method of use is not much different from that of traditional locks, except that it requires a remote reader to seal before shipment. The electronic seal lock has an anti-violent dismantling alarm function: once encountering external violent dismantling, it will actively send an alarm message to the monitoring center. The specific application process is as follows: At the origin, the shipper uses an RFID active tag to lock the container door (press the latch) after loading the transported goods, and send a series of encrypted instructions with a fixed or handheld reader Seal it. After the seal is successfully sealed, it is difficult to artificially destroy the lock body of the electronic seal lock without professional tools, and it can resist unintentional rubbing incidents during cargo transportation. Therefore, during the entire transportation process, unless the lock body structure is destroyed or the container body is simply destroyed (at this time, it can be easily identified by the naked eye), it is impossible for a malicious third party to open the container body to smuggle or steal the goods. When the goods arrive at the destination, the consignee unlocks the lock according to the received unlocking instruction (when the reader is used online, the unlocking instruction is sent by the monitoring center uniformly. If a handheld reader is used, it can also be generated and used in each terminal according to a public key system. ).
Related extended applications
Install a communication box that integrates RFID and GPRS communication modules in the vehicle cab/ship cab (GPS positioning module can be added if necessary), which is used to continuously communicate with the electronic seal lock and send the state information of the seal lock to the background monitoring center in real time. The system can realize the function of real-time monitoring.
During the transportation of goods, the electronic seal lock continuously sends status signals to the communication box, and the communication box sends the information to the background monitoring center through the built-in GPRS/CDMA module. If the status changes midway, the owner or transporter can receive the alarm information as soon as possible and quickly take corresponding measures. At this time, the background monitoring center will fully understand the batch, quantity, driver and escort of the batch of goods, and unlock Time, etc., if the communication box is loaded with a GPS module, you can also know the location of illegal unlocking, which is of great significance for it to take corresponding security measures.
Program features
•High reliability, working temperature -40℃~85℃, waterproof, shockproof, can effectively resist harsh working environment.
• High anti-interference: no special requirements for various interference sources on site, easy and simple to install.
• TMDA technology design based on HDLC and synchronous communication mechanism
• There is no need to apply for and pay for the ISM microwave frequency band that is open worldwide.
•Ultra-low power consumption: safer and healthier for the human body.
• The system has a large communication capacity and a large number of monitoring.
• Convenient installation and maintenance, no need for external power supply, product installation design has considered the characteristics of most domestic containers and containers. The lock body has a compact structure and a hard shell, which is not easy to be damaged.
•Using the 2.45G microwave frequency band for communication, the communication speed is extremely fast, and the moving speed of the cabinet is not affected under 200 km/h.
• It can be reused for more than five years, reducing operating costs.
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