CN202738118U - Wireless humiture sensor network structure based on ZigBee - Google Patents

Wireless humiture sensor network structure based on ZigBee Download PDF

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Publication number
CN202738118U
CN202738118U CN 201220124513 CN201220124513U CN202738118U CN 202738118 U CN202738118 U CN 202738118U CN 201220124513 CN201220124513 CN 201220124513 CN 201220124513 U CN201220124513 U CN 201220124513U CN 202738118 U CN202738118 U CN 202738118U
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China
Prior art keywords
zigbee
humiture
wireless
data
sensor
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Expired - Fee Related
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CN 201220124513
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Chinese (zh)
Inventor
司昊杰
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SHANGHAI TD TELECOM TECHNOLOGY DEVELOPMENT Co Ltd
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SHANGHAI TD TELECOM TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

The utility model discloses a wireless humiture sensor network structure based on ZigBee, which relates to the wireless humiture sensor technical field. The wireless humiture sensor network structure which solves the problem that the running safety of equipments inside cabinets in a conventional machine room can not be guaranteed comprises a plurality of wireless humiture sensors based on ZigBee and distributed in each cabinet of the machine room. The wireless humiture sensors are applied for collecting humiture signals inside the cabinets and pre-processing the signals into humiture data with a ZigBee protocol format before sending the data. The wireless humiture sensor network structure further comprises a ZigBee wireless gateway applied for receiving the humiture data having the ZigBee protocol format and sent from the wireless humiture sensors through a ZigBee network and converting the data into humiture data with an Ethernet protocol format; and a control center host applied for receiving the humiture data having the Ethernet protocol format and output by the ZigBee gateway in an Ethernet telecommunication transmission way and further performing real-time displaying. The sensor network structure can display the humiture of the cabinet inner sides in a real-time manner in the control center host so as to ensure the safe running of the equipments inside the cabinets.

Description

Wireless humiture sensor network structure based on ZigBee
Technical field
The utility model relates to the wireless humiture sensor technology, refers in particular to a kind of wireless humiture sensor network structure based on ZigBee.
Background technology
Along with developing rapidly of the Internet, rise various website, and for the consideration of cost and security problems, many websites company more is ready the server of own website is placed in the machine room of operator this machine room general designation IDC machine room.This has proposed higher safety requirements for the rack of placing server and other equipment in operator's machine room.
Although, nowadays the fail safe that camera head monitor ensures machine room all is housed in the machine room, the situation of moving for equipment within machine cabinet but can not get safety guarantee.Especially cause device damage or short circuit such as temperature overheating, can't in time know, bring massive losses can for website company and operation commercial city.Therefore, in the IDC machine room, seem very important for the temperature and humidity monitor of equipment.
The utility model content
The purpose of this utility model is the problem that exists in order to overcome prior art; a kind of wireless humiture sensor network structure based on ZigBee is provided; make control centre's main frame by this sensor network structure can Real Time Monitoring IDC machine room in the humiture of each rack, to guarantee the equipment within machine cabinet safe operation.
Above-mentioned ZigBee is the synonym of IEEE 802.15.4 agreement, and the technology of stipulating according to this agreement is the wireless communication technology of a kind of short distance, low-power consumption.
The purpose of this utility model is achieved through the following technical solutions:
A kind of wireless humiture sensor network structure based on ZigBee, it comprises:
Machine room, in be provided with several with the rack of communication apparatus;
Distributing in several wireless humiture transducers, each rack arranges several wireless humiture transducers, and each wireless humiture transducer comprises:
Temperature Humidity Sensor gathers the temperature-humidity signal in the rack;
Integrated ZigBee module, two string lines of itself and described Temperature Humidity Sensor employing are connected carries out data communication, the temperature-humidity signal preliminary treatment of several Temperature Humidity Sensor collections is become the humiture data of Zigbee protocol form;
Sensor antenna, it is connected with described integrated ZigBee module, sends the humiture data of described Zigbee protocol form;
The ZigBee radio network gateway comprises:
Gateway antennas, it receives the humiture data of the Zigbee protocol form of described wireless humiture transducer transmission by ZigBee-network;
Wireless singlechip is connected with described gateway antennas is two-way, the humiture data of the Zigbee protocol form that the reception gateway antennas is received;
Microcontroller is connected with described wireless singlechip is two-way, the humiture data transaction of described Zigbee protocol form is become the humiture data of Ethernet protocol form;
The Flash memory is connected with described microcontroller is two-way, stores the humiture data of Zigbee protocol form;
Ethernet controller chip is connected with described microcontroller is two-way, and the humiture data communication device of the Ethernet protocol form that microcontroller is converted to is crossed the output of RJ45 interface;
Control centre's main frame receives the humiture data of the Ethernet protocol form of described ZigBee gateway output by Ethernet, and shows in real time.
Described Temperature Humidity Sensor adopts the SHT10 transducer.
Described integrated ZigBee module adopts MCU and wireless communication unit module, selects wireless SOC SOC (system on a chip) CC2430 module.
Described sensor antenna and gateway antennas all are radio-frequency antennas, adopt the 2.4GHz antenna.
Described each wireless humiture transducer is a sensor node, and several sensor nodes that distribute in each rack consist of the sensor network topological structure based on ZigBee, and this network topology structure adopts star-like or tree network topological structure.
Described ZigBee-network adopts IEEE802.15.4.
Described wireless singlechip adopts the CC2430 wireless singlechip of the radio-frequency (RF) transceiver of the inner integrated 2.4GHz that meets IEEE 802.15.4 standard.
Described microcontroller adopts the AT91SAM9260 microcontroller of ARM nuclear.
Described Flash memory adopts the SST39VF160 memory.
Described ethernet controller chip adopts the DM9161 chip.
The beneficial effects of the utility model:
Wireless humiture sensor network structure based on ZigBee of the present utility model is comprised of several wireless humiture transducer and ZigBee gateways based on ZigBee technology, each wireless humiture transducer is a sensor node, several sensor nodes are distributed in the rack that needs to monitor in the IDC machine room, carry out the work such as temperature and humidity data acquisition, preliminary treatment, transmission.The ZigBee gateway has ZigBee telegon and protocol conversion function, and the data transaction of the Zigbee protocol form that wireless humiture sensor node ZigBee is sent becomes the transfer of data of Ethernet protocol form to control centre's main frame.Control centre's main frame shows the information of each Temperature Humidity Sensor node in real time by Ethernet and ZigBee gateway communication, can report to the police at once if humiture exceeds index, notifies the attendant to check, to guarantee the equipment within machine cabinet safe operation.This with again reliably service of safety being provided for based on the rack of ZigBee wireless transmission intelligent network the client of operator.
For further specifying above-mentioned purpose of the present utility model, design feature and effect, below with reference to accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is that the utility model is based on the wireless humiture sensor network structural representation of ZigBee;
Fig. 2 is the annexation schematic diagram of wireless humiture transducer and ZigBee radio network gateway among Fig. 1;
Fig. 3 is the structural representation of wireless humiture transducer among Fig. 1;
Fig. 4 is the johning knot composition of the embodiment of Temperature Humidity Sensor and integrated ZigBee module among Fig. 1;
Fig. 5 is the ZigBee radio network gateway structural representation among Fig. 1.
Embodiment
Accompanying drawing below in conjunction with embodiment is elaborated to embodiment of the present utility model.
Referring to Fig. 1, Fig. 1 be the utility model based on the wireless humiture sensor network structural representation of ZigBee, this network configuration comprises following four these assemblies:
(1) machine room 10
Be provided with several in the machine room 10 with the rack 101,102 of communication apparatus ..., 10n.
(2) several wireless humiture transducers 11
Each rack 101,102 ..., distributing in the 10n arranges several wireless humiture transducers 11, and the structure of each wireless humiture transducer 11 is referring to Fig. 3, and it comprises:
Temperature Humidity Sensor 111 gathers the temperature-humidity signal in the rack, and present embodiment adopts the SHT10 transducer;
Integrated ZigBee module 112, it is connected with Temperature Humidity Sensor 111, the temperature-humidity signal preliminary treatment of several Temperature Humidity Sensors 111 collections is become the humiture data of Zigbee protocol form, the integrated ZigBee module 112 of present embodiment adopts MCU and wireless communication unit module, select wireless SOC SOC (system on a chip) CC2430 module, integrated ZigBee radio-frequency front-end, internal memory and microcontroller in this module;
Sensor antenna 113, it is connected with integrated ZigBee module 112, sends the humiture data of described Zigbee protocol form, and the sensor antenna 113 of present embodiment is radio frequency (RF) antenna, adopts the PCB antenna of 2.4GHz.
Each wireless humiture transducer 11 possesses the function to humiture data acquisition, preliminary treatment and transmission in the rack.Each wireless humiture transducer 11 is as a sensor node, and several sensor nodes that distribute in each rack consist of the sensor network topological structure based on ZigBee, and this network topology structure adopts star-like or tree network topological structure.Each sensor node is carried out temperature and humidity data acquisition and preliminary treatment, and the humiture data preliminary treatment that collects is become the humiture data of Zigbee protocol form, and sends the humiture data of this Zigbee protocol form by sensor antenna 113.
Temperature Humidity Sensor 111 (SHT10) in the above-mentioned wireless humiture transducer 11 is used for gathering the temperature and humidity of surrounding environment, and its operating voltage is 2.4~5.5V, and humidity measurement precision is ± 4.5%RH that temperature measurement accuracy is ± 0.5 ℃ in the time of 25 ℃.The syndeton of Temperature Humidity Sensor 111 (SHT10) and integrated ZigBee module 112 (CC2430) is referring to Fig. 4.Temperature Humidity Sensor 111 (SHT10) adopts two string lines and integrated ZigBee module 112 (CC2430 microprocessor) to carry out data communication.It is synchronous wherein to be responsible for the communication of CC2430 and SHT10 with the SCK data wire; With DATA triple gate reading as data.DATA is the change state after SCK clock trailing edge, and only effective at the SCK rising edge clock.During the transfer of data, when SCK clock high level, it is stable that DATA must keep.For avoiding signal conflict, microprocessor should drive DATA in low level.Need the external pull-up resistor R of a 10k Ω that signal is lifted to high level.The pin P1.0 of CC2430 is used for the SCK data wire in the present embodiment, and pin P1.1 is used for DATA.
Temperature Humidity Sensor 111 (SHT10) is the integrated Temperature Humidity Sensor chip of a height, the numeral output that provides gamut to demarcate.This transducer comprises a capacitive character condensate humidity sensing element and a temperature-sensing element (device) made from gap material, and these two sensers and one 14 s' A/D converter and a serial interface circuit design are on same chip.Therefore, this transducer has fast, the characteristics such as precision is high (humidity RH precision is ± 2.0%, and the temperature T precision is 0.40 ℃), antijamming capability strong, low-power consumption of response time.In addition, the SHT10 digital transducer has I2C bus digital interface and the verification of CRC (CRC) transfer of data, make it can be easily and system's direct interfaces such as other microprocessor, microcontroller, increased to a great extent convenience and reliability to the sensor interface exploitation.For the digital quantity that makes transducer output is converted to intuitively physical unit amount, need to carries out data transformation and process.
ZigBee radio frequency (RF) front end, internal memory and microcontroller have been integrated on the above-mentioned CC2430 chip.It uses 18 MCU (the 8051 microcontrollers nuclear of high-performance and low-power consumption), RAM with 128KB flash memory able to programme and 8KB, the park mode timer, electrify restoration circuit (Power On Reset), the power-fail detection circuit (Brown out detection) that also comprise analog-digital converter (ADC), several timer (Timer), AES128 coprocessor, WatchDog Timer (Watching timer), 32KHz crystal oscillator, and 21 programmable I/O pins.The CC2430 chip adopts the 0.18umCMOS explained hereafter; Under acceptance and emission mode, current loss is lower than respectively 27mA or 25mA.The park mode of CC2430 and the characteristic that is transformed into the ultra-short Time of aggressive mode are particularly suitable for those and require the very long application of battery life.
(3) the ZigBee radio network gateway 13
Sensor network structure of the present utility model be not with one independently the communication network form exist, the temperature of monitoring in the network, humidity data need to send to control centre's main frame and analyze and show, this just needs to realize the interconnected of ZigBee wireless monitor network and Ethernet.ZigBee radio network gateway 13 just can be realized this function, takes on the protocol conversion of ZigBee-network and Ethernet.ZigBee gateway 13 has ZigBee telegon and protocol conversion function, and the humiture data transaction of the Zigbee protocol form that wireless humiture transducer 11 is sent becomes the humiture data of Ethernet protocol form, and by the output of RJ45 interface.
ZigBee radio network gateway 13 is comprised of following parts as shown in Figure 5:
Gateway antennas 131, it is radio-frequency antenna, adopt the 2.4GHz antenna, as shown in Figure 2, gateway antennas 131 receives the humiture data of the Zigbee protocol form of each wireless humiture transducer 11 transmission by ZigBee-network 12, the wireless humiture sensor node that namely is arranged in the monitored rack sends to the ZigBee radio network gateway by sensor antenna and ZigBee-network with data, and the ZigBee-network 12 in the present embodiment adopts IEEE802.15.4;
Wireless singlechip 132, with 131 two-way connections of gateway antennas, present embodiment adopts the CC2430 wireless singlechip of radio frequency (RF) transceiver of the inner integrated 2.4GHz that meets IEEE 802.15.4 standard, receives the humiture data of the Zigbee protocol form that gateway antennas receives;
Microcontroller 133, itself and 132 two-way connections of wireless singlechip, present embodiment adopts the AT91SAM9260 microcontroller of ARM nuclear, AT91SAM9260 is based on the ARM926EJ-S processor, possess 8KB instruction and 8KB data buffer storage, run time behaviour can reach 210MIPS under the 190MHz clock frequency, this product has comprised 8KB SRAM and 32KB ROM, under highest point reason device or bus speed, can realize the monocycle access, this product makes on interface and the sheet, data throughout between the chip external memory has risen to highest level, microcontroller 133 becomes the humiture data of Ethernet protocol form with the humiture data transaction of described Zigbee protocol form, also controls data storing and control wireless singlechip transmitting and receiving data;
Flash memory 134, the AT91SAM9260 microcontroller is not embedded in the Flash memory, so externally expand a Flash memory, itself and 133 two-way connections of microcontroller, store the humiture data of Zigbee protocol form, present embodiment adopts the SST39VF160 memory;
Ethernet controller chip 135, its with described 133 two-way connections of microcontroller, present embodiment adopts the DM9161 chip, DM9161 is a fully-integrated and meet cost benefit single-chip Fast Ethernet PHY, to adopt the plant adaptive ethernet transceiver of 10/100M of 0.25um than the unskilled labourer, it is present common a physical layer transceiver, ethernet controller chip 135 is crossed the output of RJ45 interface with the humiture data communication device of the Ethernet protocol form that microcontroller converts to, and the RJ45 interface is the physical interface of connected with network cable.
(4) control centre's main frame 15; receive the humiture data of Ethernet protocol form of the output of ZigBee gateway 13 by Ethernet 14 telecommunication transmission; the information that shows in real time each Temperature Humidity Sensor node; the radio receiving transmitting module that each wireless humiture transducer 11 is periodically crossed the humiture data communication device in the ZigBee-network 12 sends to ZigBee gateway 13; finally be shown in control centre's main frame 15; if exceeding index, humiture can report to the police at once; notify the attendant to check, to guarantee the equipment within machine cabinet safe operation.
The utility model primary structure be with several with the wireless humiture transducer 11 of integrated ZigBee module as node deployment in rack, formation is based on the sensor network topological structure of ZigBee, several racks (101-10n) in the about 1000m scope of radius can form an individual networks, ZigBee radio network gateway 13 of each network equipment.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the purpose of this utility model, and be not with opposing restriction of the present utility model, as long as in essential scope of the present utility model, all will drop in the scope of claim of the present utility model variation, the modification of the above embodiment.

Claims (10)

1. wireless humiture sensor network structure based on ZigBee is characterized in that comprising:
Machine room, in be provided with several with the rack of communication apparatus;
Distributing in several wireless humiture transducers, each rack arranges several wireless humiture transducers, and each wireless humiture transducer comprises:
Temperature Humidity Sensor gathers the temperature-humidity signal in the rack;
Integrated ZigBee module, two string lines of itself and described Temperature Humidity Sensor employing are connected carries out data communication, the temperature-humidity signal preliminary treatment of several Temperature Humidity Sensor collections is become the humiture data of Zigbee protocol form;
Sensor antenna, it is connected with described integrated ZigBee module, sends the humiture data of described Zigbee protocol form;
The ZigBee radio network gateway comprises:
Gateway antennas, it receives the humiture data of the Zigbee protocol form of described wireless humiture transducer transmission by ZigBee-network;
Wireless singlechip is connected with described gateway antennas is two-way, the humiture data of the Zigbee protocol form that the reception gateway antennas is received;
Microcontroller is connected with described wireless singlechip is two-way, the humiture data transaction of described Zigbee protocol form is become the humiture data of Ethernet protocol form;
The Flash memory is connected with described microcontroller is two-way, stores the humiture data of Zigbee protocol form;
Ethernet controller chip is connected with described microcontroller is two-way, and the humiture data communication device of the Ethernet protocol form that microcontroller is converted to is crossed the output of RJ45 interface;
Control centre's main frame receives the humiture data of the Ethernet protocol form of described ZigBee gateway output by Ethernet, and shows in real time.
2. the wireless humiture sensor network structure based on ZigBee as claimed in claim 1 is characterized in that:
Described Temperature Humidity Sensor adopts the SHT10 transducer.
3. the wireless humiture sensor network structure based on ZigBee as claimed in claim 1 is characterized in that:
Described integrated ZigBee module adopts MCU and wireless communication unit module, selects wireless SOC SOC (system on a chip) CC2430 module.
4. the wireless humiture sensor network structure based on ZigBee as claimed in claim 1 is characterized in that:
Described sensor antenna and gateway antennas all are radio-frequency antennas, adopt the 2.4GHz antenna.
5. the wireless humiture sensor network structure based on ZigBee as claimed in claim 1 is characterized in that:
Described each wireless humiture transducer is a sensor node, and several sensor nodes that distribute in each rack consist of the sensor network topological structure based on ZigBee, and this network topology structure adopts star-like or tree network topological structure.
6. the wireless humiture sensor network structure based on ZigBee as claimed in claim 1 is characterized in that:
Described ZigBee-network adopts IEEE802.15.4.
7. the wireless humiture sensor network structure based on ZigBee as claimed in claim 1 is characterized in that:
Described wireless singlechip adopts the CC2430 wireless singlechip of the radio-frequency (RF) transceiver of the inner integrated 2.4GHz that meets IEEE 802.15.4 standard.
8. the wireless humiture sensor network structure based on ZigBee as claimed in claim 1 is characterized in that:
Described microcontroller adopts the AT91SAM9260 microcontroller of ARM nuclear.
9. the wireless humiture sensor network structure based on ZigBee as claimed in claim 1 is characterized in that:
Described Flash memory adopts the SST39VF160 memory.
10. the wireless humiture sensor network structure based on ZigBee as claimed in claim 1 is characterized in that:
Described ethernet controller chip adopts the DM9161 chip.
CN 201220124513 2012-03-29 2012-03-29 Wireless humiture sensor network structure based on ZigBee Expired - Fee Related CN202738118U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103300865A (en) * 2013-06-28 2013-09-18 上海宽岱电讯科技发展有限公司 Human gesture detecting system based on Zigbee and three-axis acceleration sensors and method
CN103310602A (en) * 2013-06-28 2013-09-18 上海宽岱电讯科技发展有限公司 Heart rate detection system and method based on ZigBee
CN103369719A (en) * 2012-03-29 2013-10-23 上海宽岱电讯科技发展有限公司 Wireless humiture sensor network structure based on zigbee
CN105511355A (en) * 2015-12-30 2016-04-20 中国石油天然气股份有限公司 Oil and gas well data comprehensive acquiring and processing device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103369719A (en) * 2012-03-29 2013-10-23 上海宽岱电讯科技发展有限公司 Wireless humiture sensor network structure based on zigbee
CN103369719B (en) * 2012-03-29 2016-06-08 上海宽岱电讯科技发展有限公司 Based on the wireless humiture sensor network structure of zigbee
CN103300865A (en) * 2013-06-28 2013-09-18 上海宽岱电讯科技发展有限公司 Human gesture detecting system based on Zigbee and three-axis acceleration sensors and method
CN103310602A (en) * 2013-06-28 2013-09-18 上海宽岱电讯科技发展有限公司 Heart rate detection system and method based on ZigBee
CN105511355A (en) * 2015-12-30 2016-04-20 中国石油天然气股份有限公司 Oil and gas well data comprehensive acquiring and processing device
CN105511355B (en) * 2015-12-30 2018-09-04 中国石油天然气股份有限公司 A kind of oil/gas well aggregation of data acquiring and processing device

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Granted publication date: 20130213

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