Warehouse intelligent management system
An intelligent management system and warehouse technology, applied in the field of warehouse intelligent management system, can solve the problems of small number of nodes, poor node flexibility, difficult maintenance, etc., and achieve the effect of strong network management ability and easy maintenance
Inactive Publication Date: 2020-04-14
十堰兴企信息科技有限公司
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Problems solved by technology
The disadvantages are: poor flexibility between nodes, limited coverage of the network, and a small number of nodes, making it difficult to form a large-scale network
The disadvantage is: the structure is relatively fixed, if one of the nodes disconnects from the network, some nodes associated with it will leave the network, and the stability is poor
The disadvantage is that when the number of nodes increases, the delay of message delivery and communication overhead will be increased
Mesh networks require complex applications to be run on router nodes to achieve route repair and optimal path selection, which makes it difficult for mesh networks to form medium and large networks with a large number of nodes, and its implementation and maintenance are also more complicated
[0009] In addition, the Zigbee wireless sensor network has weak network management capabilities, difficult and complicated maintenance, and weak protection capabilities for information channels, which cannot achieve fast and reliable protection.
To sum up, Zigbee wireless sensor network has certain limitations in the use of dangerous goods storage
Method used
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[0046] The main control module selects the S3C2410 chip based on the ARM920T core, and the operating frequency is 400MHz; the storage module is configured with 64M bytes of SDRAM and 256M bytes of NAND Flash. The Ethernet interface of the peripheral interface module selects the DM9000 control chip; the radio frequency transceiver chip of the Zigbee module selects CC2530; the GPRS module selects the MC52iGPRS module provided by Siemens. The HDLC control interface module, time slot multiplexing and E1 framing module, E1 frame header extraction and time slot demultiplexing module are completed by Altera's Cyclone1c12Q240C8; the mapping multiplexing and overhead processing module is realized by SE0111 of Xi'an Shenya Technology, For network element 1 of the service master station, 3 pieces of SE0111 can be cascaded to realize the splitting and insertion of 63 E1s. For the network element nodes in the dangerous goods warehouse, one piece of SE0111 can be used to realize the splitti...
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The invention relates to an intelligent warehouse management system, which is based on an SDH and a Zigbee mesh network. The system has strong network management capability, is convenient to maintainand can quickly realize alarm and construct a large-scale network. The system provided by the invention has a self-healing function when the node fails, and can quickly perform protection switching within extremely short time (within 50ms), so that the service automatically recovers transmission from a fault.
Description
technical field [0001] The invention relates to the technical field of safety monitoring, in particular to an intelligent warehouse management system. Background technique [0002] With the development of the economy, the circulation and storage of flammable and explosive dangerous goods used as raw materials, energy and consumer goods are increasing. Its safety is not only related to the safety of people's lives, but also involves the stability of the society. Dangerous goods storage is a warehouse that stores chemical raw materials, pesticides, fertilizers, chemical reagents, chemicals and other items that are dangerous such as combustion, explosion, corrosion, burns, and poisoning. According to statistics, accidents caused by warehousing account for a relatively large proportion of flammable and explosive dangerous goods accidents. There are many safety conditions for the storage of flammable and explosive dangerous goods. Once the safety conditions exceed the threshold...
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IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/24215
Inventor 刘想
Owner 十堰兴企信息科技有限公司