CN201444252U - Wireless warehouse monitoring system based on ZigBee - Google Patents
Wireless warehouse monitoring system based on ZigBee Download PDFInfo
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- CN201444252U CN201444252U CN2008202062055U CN200820206205U CN201444252U CN 201444252 U CN201444252 U CN 201444252U CN 2008202062055 U CN2008202062055 U CN 2008202062055U CN 200820206205 U CN200820206205 U CN 200820206205U CN 201444252 U CN201444252 U CN 201444252U
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Abstract
The utility model relates to a wireless warehouse monitoring system based on ZigBee, which comprises base station equipment and node equipment, wherein the base station equipment comprises a main control chip, a CDMA module and a ZigBee module; the CDMA module is connected with the main control chip through an RS232 interface, and the ZigBee module is connected with the main control chip through an SPI interface. The node equipment comprises a micro processing unit, the ZigBee module and a parameter acquisition module; and the ZigBee module is connected with the micro processing unit through the SPI interface, and the parameter acquisition module is connected with the micro processing unit through an I2C bus or I/O interface or an analog-to-digital converter. Compared with the prior art, the wireless warehouse monitoring system based on ZigBee has the advantages of having the capability of acquiring a plurality of types of environmental parameters including temperature, humidity, smoke concentration and object invasion, strong data communication capability, wide scope of network coverage, high data processing speed and strong functions. The base station system uses free real-time operation system embedded Linux with public source codes, and can exempt from royalty fee. Compared with the prior manual monitoring means, the equipment and manual expenses are greatly reduced.
Description
Technical Field
The utility model relates to a monitored control system especially relates to a wireless storage monitored control system based on zigBee.
Background
ZigBee is a pronoun of IEEE 802.15.4 protocol, is also translated into Zigbee in China, is similar to Bluetooth, is a novel short-distance and low-power consumption wireless communication technology, is mainly characterized by short distance, low power consumption, low data rate, low cost and easy realization, is mainly suitable for the fields of automatic control and remote control, and can be embedded into various devices.
In a logistics system, warehouses are responsible for a variety of functions such as cargo storage, distribution, production support, and the like. Meanwhile, the safety of the warehouse is the premise of the work of the warehouse, and the monitoring of the safety of the warehouse is an important means for guaranteeing the safety of the warehouse. There are various reasons for the potential safety hazard of the warehouse. Factors for storing the properties of materials, such as the flammability, the explosiveness, the easy corrosion, the toxicity and other unsafe factors of the materials; there are also external environment and management factors, for example, the change of the temperature and humidity of the environment causes the quality change of the inventory material, which in turn causes the uncertainty of the warehouse safety, or the management slack causes the occurrence of theft. The storage plays a significant role in maintaining the stability of the sold commodities, maintaining the production stability, balancing the logistics of enterprises and balancing the occupation of the mobile funds of the enterprises, so the storage safety accident prevention is an important content of the storage work. At present, warehouse management in China has a plurality of weaknesses, and the warehouse monitoring is also mostly carried out by adopting a manual monitoring method, so that the efficiency is low. Especially, in recent years, the capacity of the storage system is continuously expanded, the traditional mode is far from meeting the requirement of actual production, and the automation of the detection and management of the storage system is urgent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wireless storage monitoring system based on ZigBee, the wireless sensor network is composed of a plurality of sensor nodes with self-supplied power; each sensor node can collect surrounding environment data, perform simple calculation and communicate with other nodes and the outside.
The purpose of the utility model can be realized through the following scheme: a wireless warehouse monitoring system based on ZigBee comprises: the base station equipment is characterized by comprising a main control chip for controlling each functional module of the base station equipment; the CDMA module is used for processing CDMA network communication; the ZigBee module is used for processing ZigBee network communication; the CDMA module is connected with the main control chip through an RS232 interface, and the ZigBee module is connected with the main control chip through an SPI interface;
the node equipment comprises a microprocessor and is used for controlling each functional module of the node equipment; the ZigBee module is used for processing ZigBee network communication; the parameter acquisition module is used for acquiring various environmental parameters needing to be monitored; the ZigBee module is connected with the microprocessor through an SPI interface, and the parameter acquisition module is connected with the microprocessor through an I2The C bus or the I/O interface or the analog-to-digital converter is connected with the microprocessor.
The utility model discloses can also make following improvement:
the base station equipment is also provided with: the display module is used for displaying the acquisition parameters and the system working state; and the display signal input end of the display module is connected with the display signal output end of the main control chip.
The base station equipment is also provided with: the control input device is used for carrying out control operation on the control system; the control input device is connected with the main control chip through a USB interface; the control input device is a mouse or a keyboard.
The base station equipment is also provided with: a memory for storing the collected data; the memory is connected with the main control chip through a data line; the memory is an SD card.
The node equipment is also provided with: the power supply management module is used for providing working voltage for each functional module; and the voltage output end of the power management module is connected with the voltage input end of each functional module.
The parameter acquisition module is provided with: the temperature and humidity sensor is used for collecting temperature and humidity parameters of the environment; the temperature and humidity sensor passes through I2The C bus is connected with the microprocessor.
The parameter acquisition module is provided with: the smoke sensor is used for detecting concentration parameters of combustible gas and smoke; the smoke sensor is connected with the microprocessor through an I/O interface.
The parameter acquisition module is provided with: the infrared sensor is used for detecting whether a person enters a monitoring range; the infrared sensor is connected with the microprocessor through an analog-to-digital converter.
The utility model discloses relative prior art advantage lies in:
1. multiple environmental parameters including temperature, humidity, smoke concentration and object intrusion may be collected simultaneously. The defects that most of current monitoring systems are single in monitoring information, complex in deployment and installation, poor in robustness and the like are overcome, and a large-range warehouse area can be monitored.
2. The data communication capability is strong, and the network coverage is wide. The utility model discloses a data communication between the wireless sensor node and between wireless sensor network and the data processing basic station is realized to emerging zigBee technique to realize the data both way communication with the remote monitoring center through the CDMA network. By applying a new and high-efficiency wireless communication technology, the communication of the base station system has the characteristics of high transmission rate, high communication quality, low power consumption, low cost, large network capacity and the like, and the requirement of real-time transmission of the storage environment parameters is met.
3. The data processing speed is fast, and the function is strong. The utility model discloses use various high performance treater, make full use of respective performance advantage, improved data processing and data transmission ability, strengthened system reliability simultaneously, be favorable to the system to upgrade from now on and the function is updated.
4. The system has low cost: the base station system uses the free real-time operating system embedded Linux with the source code open, thus avoiding royalty cost and saving the production cost of products. Compared with the existing manual monitoring means, the equipment and labor cost is greatly reduced.
Drawings
Fig. 1 is a schematic diagram of the overall architecture of the present invention;
fig. 2 is a schematic structural diagram of the base station device of the present invention;
fig. 3 is a schematic structural diagram of the node device of the present invention.
Detailed Description
As shown in fig. 1, the whole warehousing area is divided into several sections, and the system architecture can be divided into three levels: the system comprises data monitoring nodes in intervals, data processing base stations in the intervals and a remote monitoring center.
Wherein, construct the sensor network based on zigBee wireless technology in every interval: each section of the ZigBee network is provided with a data processing base station, data acquisition and state monitoring are carried out on a plurality of data monitoring nodes distributed in the ZigBee network in the section, and the acquired real-time data are transmitted to a remote monitoring center through a CDMA network. The data processing base station connects two heterogeneous networks, namely a ZigBee network and a CDMA network, together through protocol conversion and serves as a gateway between the two heterogeneous networks. The remote monitoring center receives real-time environment parameters, provides a user-friendly monitoring interface, and has strong data management and analysis functions.
The node ZigBee radio frequency module adopts a CC2420 type chip. The data flow, status flow, and command flow transmission of the environment monitoring system are as follows. In the monitoring process, the data monitoring nodes distributed in each warehouse interval acquire environmental parameters such as temperature and humidity and smoke concentration through sensors, the state condition of the network is sent in a timing mode, and the node ZigBee radio frequency module CC2420 is used for finally uploading data to a base station ZigBee radio frequency module CC2420 of a data processing base station in a multi-hop mode through a ZigBee network. The base station receives the environmental parameters and the state information of the ZigBee sensor network through the CC2420, generates information whether the limit is exceeded or not and whether alarming is needed or not after simple analysis and processing, and finally sends the acquired environmental parameters and the state information of the ZigBee sensor network and the alarming information generated after analysis and processing to a remote monitoring center through the CDMA module. The remote monitoring center receives various information uploaded by each base station, analyzes and processes related data and correspondingly displays the data on an interface.
As shown in fig. 2, the base station device includes a ZigBee radio frequency module, a CDMA transmission module, and a microprocessor module. Each module employs existing mature technology. Wherein,
the microprocessor module adopts an ARM processor S3C2410 and is used for controlling communication between the CC2420 and the sensor network and communication between the CDMA module and the remote monitoring center. The CDMA transmission module adopts a CDMA20001X chip. The ZigBee radio frequency module adopts a CC2420 type chip.
The base station ZigBee radio frequency module CC2420 is used for realizing communication between base station equipment and data monitoring nodes of a wireless sensor network and is interconnected with the S3C2410 through an SPI interface.
And the CDMA transmission module CDMA20001X is used for realizing the communication between the base station equipment and the remote monitoring center and is interconnected with the S3C2410 through a USART serial port.
As shown in fig. 3, the node device includes four parts, namely a power management module, an environmental parameter acquisition module, a microprocessor module, and a node ZigBee radio frequency module CC 2420. Wherein,
the power management module includes:
two 3.6V LS14500C batteries connected in series to form a 7.2V power supply with a nominal capacity of 2.7 Ah; the voltage conversion circuit module takes LM2596-5.0 as a core, and the microprocessor module provides 5V voltage; and the voltage conversion circuit module taking LM2596-3.3 as a core provides 3.3V voltage for the parameter acquisition module and the ZigBee radio frequency module CC 2420.
The parameter acquisition module comprises:
the SHT11/15 type single chip intelligent humidity and temperature sensor manufactured by Swiss Sensory (sensing) company has an amplifier, a 14-bit AD converter, a calibration memory, a volatile memory, a status register, a control unit, a heater, a low voltage monitoring circuit and the like in the sensor. The relative humidity range of measurement is 0-100%, the resolution is as high as 0.03% RH, and the highest precision is + 2% RH. The measuring temperature range is-40 ℃ to +123.8 ℃, and the resolution is 0.1 ℃. The sensor is interconnected to the processor module via an I2C bus interface.
The smoke sensor adopts MQ-2, the monitoring types are combustible gas and smoke, the detection range is 100-10000 ppm, and the sensitivity is more than or equal to 5. The sensor outputs analog quantity signals, different voltage values are output for smoke, carbon monoxide and methane gas with different concentrations, an output pin is connected with an ADC (analog-to-digital converter) interface of the microprocessor module, and the microprocessor module obtains the concentration values of the smoke, the carbon monoxide and the methane through certain calculation after acquiring sensor data.
The infrared sensor adopts EL-55 of Electronics Line 300, covers 14m, 46', and has the functions of RFI resistance, EMI resistance, ESD interference resistance and lightning protection. The infrared sensor is connected with the microprocessor module through a switching value signal. When the infrared probe senses that people exist, the high level is output, and under the condition that no people exist in the monitoring range, the low level is output.
The microprocessor block employs ATmega16 microprocessing unit available from ATMEL. The processor comprises a programmable FLASH with 16 Kbytes in a system, an EEPROM with 512 bytes, an SRAM with 1 Kbytes, 32 general IO port lines, a JTAG interface, a timer/counter supporting on-chip debugging and programming, three timers with a comparison mode, a programmable USART, an ADC with 10 bits and selectable differential input stage programmable gain, an SPI serial interface and a programmable watchdog timer. The microprocessor module is interconnected with the ZigBee radio frequency module CC2420 through the SPI interface, and the receiving and the sending of the environmental parameters are achieved.
The node ZigBee radio frequency module CC2420 is used for realizing communication between the wireless sensor network nodes and the node and realizing communication with the base station ZigBee radio frequency module CC 2420. And the SPI is interconnected with the microprocessor module.
The functional modules and interfaces of the hardware part of the utility model have strong independence, and the software adopts modular design and can be cut according to the actual use condition; the capacity of various memories can be selected according to actual needs, and the method has great flexibility; all I/O ports are connected with I/O lines in practical application by CON16 connectors, and all devices use standard packaging forms, so that the requirements of product standardization and standardization are met. The design of the functionalization and modularization is a very important means for controlling the product cost, is a powerful guarantee for rapidly developing products, and provides convenience for the expansion of the application field in the future.
Claims (10)
1. A wireless warehouse monitoring system based on ZigBee comprises: the base station equipment is characterized by comprising a main control chip for controlling each functional module of the base station equipment; the CDMA module is used for processing CDMA network communication; the ZigBee module is used for processing ZigBee network communication; the CDMA module is connected with the main control chip through an RS232 interface, and the ZigBee module is connected with the main control chip through an SPI interface;
the node equipment comprises a microprocessor and is used for controlling each functional module of the node equipment; ZigBee module forProcessing ZigBee network communication; the parameter acquisition module is used for acquiring various environmental parameters needing to be monitored; the ZigBee module is connected with the microprocessor through an SPI interface, and the parameter acquisition module is connected with the microprocessor through an I2The C bus or the I/O interface or the analog-to-digital converter is connected with the microprocessor.
2. The ZigBee-based wireless warehouse monitoring system according to claim 1, wherein the base station device is further provided with: the display module is used for displaying the acquisition parameters and the system working state; and the display signal input end of the display module is connected with the display signal output end of the main control chip.
3. The ZigBee-based wireless warehouse monitoring system according to claim 1, wherein the base station device is further provided with: the control input device is used for carrying out control operation on the control system; the control input device is connected with the main control chip through a USB interface.
4. The ZigBee-based wireless warehouse monitoring system according to claim 1 or 3, wherein the control input device is a mouse or a keyboard
5. The ZigBee-based wireless warehouse monitoring system according to claim 1, wherein the base station device is further provided with: a memory for storing the collected data; the memory is connected with the main control chip through a data line.
6. A ZigBee-based wireless warehouse monitoring system according to claim 1 or 5, wherein the memory is an SD card.
7. The ZigBee-based wireless warehouse monitoring system according to claim 1, wherein the node device is further provided with: the power supply management module is used for providing working voltage for each functional module; and the voltage output end of the power management module is connected with the voltage input end of each functional module.
8. The ZigBee-based wireless warehouse monitoring system according to claim 1, wherein the parameter acquisition module is provided with: the temperature and humidity sensor is used for collecting temperature and humidity parameters of the environment; the temperature and humidity sensor passes through I2The C bus is connected with the microprocessor.
9. The ZigBee-based wireless warehouse monitoring system according to claim 1, wherein the parameter acquisition module is provided with: the smoke sensor is used for detecting concentration parameters of combustible gas and smoke; the smoke sensor is connected with the microprocessor through an I/O interface.
10. The ZigBee-based wireless warehouse monitoring system according to claim 1, wherein the parameter acquisition module is provided with: the infrared sensor is used for detecting whether a person enters a monitoring range; the infrared sensor is connected with the microprocessor through an analog-to-digital converter.
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| CN2008202062055U CN201444252U (en) | 2008-12-26 | 2008-12-26 | Wireless warehouse monitoring system based on ZigBee |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908265A (en) * | 2010-08-03 | 2010-12-08 | 天津市欧诺仪器仪表有限公司 | Wireless humiture observation system |
| CN102183932A (en) * | 2011-03-25 | 2011-09-14 | 南京邮电大学 | Intelligent household handheld device based on ZigBee technology |
| CN103064365A (en) * | 2012-12-11 | 2013-04-24 | 南京理工大学 | Agriculture comprehensive information remote wireless monitoring and pre-warning system |
| CN103196486A (en) * | 2013-02-22 | 2013-07-10 | 昆明维萌科技有限公司 | Monitoring system and monitoring method for tobacco storage based on wireless sensor network |
| CN103676806A (en) * | 2012-09-19 | 2014-03-26 | 青岛高校信息产业有限公司 | Wireless remote terminal control system based on Zigbee technology |
| CN103808359A (en) * | 2013-01-30 | 2014-05-21 | 丰唐物联技术（深圳）有限公司 | Multifunctional sensor |
| CN103869790A (en) * | 2014-03-28 | 2014-06-18 | 沈阳大学 | Wireless sensing GSM warehouse monitoring system |
| CN104021463A (en) * | 2014-06-23 | 2014-09-03 | 中国科学院深圳先进技术研究院 | Multifunctional warehouse management system and management method thereof |
| CN104333589A (en) * | 2014-10-31 | 2015-02-04 | 常州机电职业技术学院 | Dangerous goods storage monitoring and early warning system and method |
| CN104535115A (en) * | 2015-01-19 | 2015-04-22 | 上海三瑞信息技术有限公司 | Temperature and humidity collecting and receiving equipment for cold chain terminal |
| CN104964513A (en) * | 2015-05-20 | 2015-10-07 | 无锡市崇安区科技创业服务中心 | Wireless monitoring system for refrigerator temperature based on Zigbee |
| CN105700443A (en) * | 2016-04-13 | 2016-06-22 | 苏州超盛智能科技有限公司 | System for intelligently monitoring warehouse environment |
-
2008
- 2008-12-26 CN CN2008202062055U patent/CN201444252U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908265A (en) * | 2010-08-03 | 2010-12-08 | 天津市欧诺仪器仪表有限公司 | Wireless humiture observation system |
| CN102183932A (en) * | 2011-03-25 | 2011-09-14 | 南京邮电大学 | Intelligent household handheld device based on ZigBee technology |
| CN103676806A (en) * | 2012-09-19 | 2014-03-26 | 青岛高校信息产业有限公司 | Wireless remote terminal control system based on Zigbee technology |
| CN103064365A (en) * | 2012-12-11 | 2013-04-24 | 南京理工大学 | Agriculture comprehensive information remote wireless monitoring and pre-warning system |
| CN103808359A (en) * | 2013-01-30 | 2014-05-21 | 丰唐物联技术（深圳）有限公司 | Multifunctional sensor |
| CN103196486A (en) * | 2013-02-22 | 2013-07-10 | 昆明维萌科技有限公司 | Monitoring system and monitoring method for tobacco storage based on wireless sensor network |
| CN103869790A (en) * | 2014-03-28 | 2014-06-18 | 沈阳大学 | Wireless sensing GSM warehouse monitoring system |
| CN104021463A (en) * | 2014-06-23 | 2014-09-03 | 中国科学院深圳先进技术研究院 | Multifunctional warehouse management system and management method thereof |
| CN104333589A (en) * | 2014-10-31 | 2015-02-04 | 常州机电职业技术学院 | Dangerous goods storage monitoring and early warning system and method |
| CN104333589B (en) * | 2014-10-31 | 2018-03-27 | 常州机电职业技术学院 | Dangerous goods storage monitoring and early warning system and method |
| CN104535115A (en) * | 2015-01-19 | 2015-04-22 | 上海三瑞信息技术有限公司 | Temperature and humidity collecting and receiving equipment for cold chain terminal |
| CN104964513A (en) * | 2015-05-20 | 2015-10-07 | 无锡市崇安区科技创业服务中心 | Wireless monitoring system for refrigerator temperature based on Zigbee |
| CN105700443A (en) * | 2016-04-13 | 2016-06-22 | 苏州超盛智能科技有限公司 | System for intelligently monitoring warehouse environment |
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Granted publication date: 20100428 Termination date: 20131226 |