CN201638075U - Industrial control wireless internetworking management system - Google Patents
Industrial control wireless internetworking management system Download PDFInfo
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- CN201638075U CN201638075U CN2010201291478U CN201020129147U CN201638075U CN 201638075 U CN201638075 U CN 201638075U CN 2010201291478 U CN2010201291478 U CN 2010201291478U CN 201020129147 U CN201020129147 U CN 201020129147U CN 201638075 U CN201638075 U CN 201638075U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses an industrial control wireless internetworking management system which belongs to the network management technology and mainly solves the problems of complicated structure and over-high cost of the prior art. The industrial control wireless internetworking management system comprises a data acquisition unit, a data processing unit, a data transmission unit and a power management unit, wherein the data acquisition unit, the data processing unit and the data transmission unit are sequentially connected; and the power management unit is respectively connected with the data acquisition unit, the data processing unit and the data transmission unit. The utility model has simple structure, large network capacity, strong compatibility, low power consumption, safety and reliability and higher practical value.
Description
Technical field
The utility model relates to a kind of network management system, specifically, relates to network management system between a kind of Industry Control wireless network.
Background technology
Adopt network technology can alleviate the workload of the inside and outside wiring of machine and the decoding of communicating by letter.Machine (M2M) communication technology has strengthened the connectedness of machine.By means of wireless technology, machinery and equipment and enterprise information system can be coupled together, realize remote device monitoring and startup, production status real-time report and some other operation.M2M can also help the life cycle of Machinery Design personnel tracking machine, and following design is improved in the identification trouble spot.
In China, applications of wireless technology is also few, data communication between the control system still mainly adopts RS-232 and standard ethernet technology at present, this makes that must expend a large amount of time when using writes special-purpose communication drivers program and support data transmission, and this is one wastes time and energy and don't can value-added work.And at machine intimate, existing mechanics of communication also makes the time of assembling and maintenance increase greatly.
Wireless technology is of a great variety.Communicate by letter with M2M between HMI/SCADA system of factory for remote computer,, generally adopt satellite communication or cellular telephone communication mode because transmission range reaches hundreds of miles; For communicating by letter between controller/PLC and HMI/SCADA system, IEEE 802.11 wireless communication technologys are the most suitable; Yet,,, adopt between Bluetooth technology or Industry Control wireless network the network management system technology more effective because transmission range has only 10 ~ 100 meters for communicating by letter between controller and sensor.
Between the Industry Control wireless network network management system be a kind of emerging closely, low complex degree, low-power consumption, low data rate, radio network technique cheaply, it is a kind of technology motion between radio mark technology and bluetooth, is mainly used near radio and connects.Network management system application layer and network layer protocol be based on IEEE802.15.4 between the Industry Control wireless network, and according to the IEEE802.15.4 standard, coordinate to realize communication mutually between thousands of small sensors.These sensors only need energy seldom, by radiowave data are passed to another sensor from a sensor in the mode of relay, have very high communication efficiency.
The utility model content
The purpose of this utility model is to provide network management system between a kind of novel Industry Control wireless network, when guaranteeing safe reliability, realizes low-power consumption, high capacity, prolongs in short-term, high-level efficiency communication, and reduce the production run cost.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Network management system between the Industry Control wireless network, comprise data acquisition unit, data processing unit, data transmission unit and Power Management Unit, data acquisition unit, data processing unit and data transmission unit are connected successively, and Power Management Unit is connected with data acquisition unit, data processing unit and data transmission unit respectively.
Described data acquisition unit is made up of sensor.
Described data processing unit comprises microprocessor, and the RAM that is connected with microprocessor respectively, ROM.Wherein, microprocessor is ATmega128, and ROM also is connected with procotol operating system.
Described data transmission unit is made up of the RF radio receiving transmitting module, specifically, is made up of the CC2430 chip.
Described CC2430 chip also is integrated with the gravity flow voltage stabilizer.The internal work voltage of CC2430 chip is 1.8V, and its outer setting has external digital I/O interface, and the operating voltage of external digital I/O interface is 3.3V.The 3.3V voltage transitions can be become 1.8V voltage by the gravity flow voltage stabilizer, thereby make the equipment that has only the 3.3V power supply not need the extra voltage conversion circuit just can operate as normal.
Main design philosophy of the present utility model: by the data acquisition unit acquired signal and pass to data processing unit and carry out data processing, data transmission after will handling is then given data transmission unit, data transmission unit is responsible for receiving and sending data, Power Management Unit is managed the power supply of each functional unit, guarantees the operate as normal of total system.The specific design of system comprises hardware and software two parts.At first use the ZigBee technology to realize cordless communication network, and select the Mesh network.Each controlled device also can have routing function in this case, makes things convenient for the transmission of the network information.At hardware aspect, mainboard comprises a ZigBee part and part of data acquisition.ZigBee partly uses ATmega128+CC2430 to realize ZigBee communication.Part of data acquisition is then mainly gathered external signal by sensor.The power consumption of this technical scheme is very low, and microprocessor can be in dormant state the free time.Aspect software,, realize the ZigBee radio communication by operation to the ZigBee protocol stack.Finish collection, processing and the transmission of data by cooperatively interacting of software and hardware, realize the dialogue between machine and the machine, reach the purpose of wireless network management.
Compared with prior art, the utlity model has following beneficial effect:
1. system architecture is simple, and cost is low.
2. low in energy consumption: under the mode of operation situation, transfer rate is low, and transmitted data amount is very little, so the transmitting-receiving time of signal is very short; When non-operating mode, its node is in park mode.The device search time delay is generally 30ms, and it is 15ms that dormancy activates time delay, and vehicular equipment channel access delay is 15ms.Because the working time is short, the power consumption of receiving and sending messages is lower and adopted park mode, makes the very power saving of its node, the battery working time of node can reach about 6 months to 2 years.Simultaneously, because battery time depends on several factors, for example: battery variety, capacity and application scenario, the utility model are used battery on agreement and are also optimized.Use for the typical case, alkaline battery can use the several years, for the ratio of some working time and T.T. (working time+dormancy time) less than 1% situation, life-span of battery even can be above 10 years.
3. data transmission is reliable: media access control layer of the present utility model (MAC layer) adopts the collision-avoidance mechanism of talk-when-ready.Under the data transmission mechanism of this full confirmation, when data transfer needs, then transmit at once, each packet that sends all must be waited for take over party's affirmation information, and carry out confirmation and reply, just do not represent to have taken place collision if obtain the answer of confirmation, to pass again once, and adopt this method can improve the reliability of system information transmissions.Simultaneously, reserved dedicated time slot, competition and conflict when having avoided sending data for the communication service that needs fixed-bandwidth.Also optimize at the application of delay sensitive in addition, the time delay that communication delay and dormant state activate is all very short.
4. network capacity is big: the characteristics of the utility model low rate, low-power consumption and short-distance transmission make its very suitable simple Devices of supporting.Owing to adopted the ZigBee technology, therefore defined two kinds of devices: global function device (FFD) and simplification function element (RFD).To the global function device, require it to support 49 all basic parameters; And, when minimal configuration, only require 38 basic parameters of its support to simplifying function element.A global function device can be conversed with other global function devices with simplifying function element, can work by 3 kinds of modes, is respectively: LAN (Local Area Network) telegon, telegon and device.Can only converse with the global function device and simplify function element, only do very simply to use.The network of network management system includes 255 ZigBee networking nodes at most between Industry Control wireless network, and one of them is master control (Master) equipment, and all the other then are subordinate (Slave) equipment.If by network coordinator (Network Coordinator), whole network can support to surpass 64000 ZigBee networking nodes at most, adding each Network Coordinator can be connected to each other, and the number of network management system network node will be very considerable between whole Industry Control wireless network.
5. compatible: technology described in the utility model can be seamless integrated with existing Control Network standard.(Coordinator) sets up network automatically by network coordinator, adopts carrier sense/collision detection (CSMA-CA) mode to carry out channel and inserts.For reliable delivery, also provide full Handshake Protocol.
The utlity model has application fields, as: home automation and security, consumption electronic product, medical treatment and nursing, commercial unit monitoring, agricultural and environmental monitoring system, traffic and city management, logistics management or the like have very high practical value.
Description of drawings
Fig. 1 is a system chart of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, network management system between the Industry Control wireless network, comprise data acquisition unit, data processing unit, data transmission unit and Power Management Unit, data acquisition unit, data processing unit and data transmission unit are connected successively, and Power Management Unit is connected with data acquisition unit, data processing unit and data transmission unit respectively.
Described data acquisition unit is made up of sensor; Data processing unit comprises microprocessor, and the RAM that is connected with microprocessor respectively, ROM; And data transmission unit is made up of the RF radio receiving transmitting module.Sensor is mainly finished the collection of various signals, and signal is passed to microprocessor in the data processing unit.Microprocessor adopts ATmega128, and ROM also is connected with procotol operating system.The RF radio receiving transmitting module then adopts the CC2430 chip to form.
The internal work voltage of CC2430 chip is 1.8V, is suitable for battery powered apparatus, and its exterior arrangement has external digital I/O interface, and the operating voltage of external digital I/O interface is 3.3V.Use for convenience, described CC2430 chip also is integrated with the gravity flow voltage stabilizer, is used for the conversion between chip internal voltage and the external voltage.
In working order down, behind the radiofrequency signal process low noise amplifier and I/Q down-converted that the receiver of CC2430 chip internal (antenna) receives, intermediate-freuqncy signal has only 2MHz, this mixes i/q signal through filtering, amplification, AD conversion, automatic gain control, digital demodulation and despreading, finally recovers the correct data of transmission.Transmitter section is based on direct up-conversion.The data that send are admitted to earlier in the transmit buffer of 128 bytes, and a frame and start frame produce automatically by hardware.According to IEEE 802.15.4 standard, per 4 bits of the data stream that send are delivered to the DA transducer after by the frequency expansion sequence spread spectrum of 32 chips.Then, finally be modulated onto 2.4GHz through the radiofrequency signal after the mixing of low-pass filtering and up-conversion, and through amplifying after transmission antennas transmit is gone out.
The software aspect, the basic program thread of system is: earlier to each port initialization of system, open the receiver of CC2430 inside then after, just can the operation task program, realize receiving or the transmission data.Because wireless communication protocol has from connecing the performance that is related to node, at link layer, the CSMA/CA agreement of a simplification of design, be that any node must carry out intercepting of one section random time before sending, confirming that not having other node just to carry out data at present when carrying out data transmission sends, receiving-transmitting sides comes swap data by three-way handshake.During the free time, close listening functions, in system to reduce power consumption as far as possible.
Claims (9)
1. network management system between the Industry Control wireless network, it is characterized in that, comprise data acquisition unit, data processing unit, data transmission unit and Power Management Unit, data acquisition unit, data processing unit and data transmission unit are connected successively, and Power Management Unit is connected with data acquisition unit, data processing unit and data transmission unit respectively.
2. network management system between Industry Control wireless network according to claim 1 is characterized in that described data acquisition unit is made up of sensor.
3. network management system between Industry Control wireless network according to claim 1 is characterized in that described data processing unit comprises microprocessor, and the RAM that is connected with microprocessor respectively, ROM.
4. network management system between Industry Control wireless network according to claim 1 is characterized in that, described microprocessor is ATmega128.
5. network management system between Industry Control wireless network according to claim 1 is characterized in that described data transmission unit is made up of the RF radio receiving transmitting module.
6. network management system between Industry Control wireless network according to claim 5 is characterized in that, described RF radio receiving transmitting module is made up of the CC2430 chip.
7. network management system between Industry Control wireless network according to claim 6 is characterized in that, described CC2430 chip also is integrated with the gravity flow voltage stabilizer.
8. network management system between Industry Control wireless network according to claim 7 is characterized in that, the internal work voltage of described CC2430 chip is 1.8V.
9. network management system between Industry Control wireless network according to claim 8 is characterized in that, described CC2430 chip is provided with external digital I/O interface, and the operating voltage of described external digital I/O interface is 3.3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201291478U CN201638075U (en) | 2010-03-11 | 2010-03-11 | Industrial control wireless internetworking management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201291478U CN201638075U (en) | 2010-03-11 | 2010-03-11 | Industrial control wireless internetworking management system |
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| Publication Number | Publication Date |
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| CN201638075U true CN201638075U (en) | 2010-11-17 |
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| CN2010201291478U Expired - Fee Related CN201638075U (en) | 2010-03-11 | 2010-03-11 | Industrial control wireless internetworking management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902234A (en) * | 2011-07-26 | 2013-01-30 | 昆山子力高新科技实业有限公司 | Industrial control instrument device with modularized hardware and configurable software and method |
| CN104155955A (en) * | 2014-08-18 | 2014-11-19 | 成都联星微电子有限公司 | Industrial control acquisition system and method based on multi-point collaboration |
-
2010
- 2010-03-11 CN CN2010201291478U patent/CN201638075U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902234A (en) * | 2011-07-26 | 2013-01-30 | 昆山子力高新科技实业有限公司 | Industrial control instrument device with modularized hardware and configurable software and method |
| CN102902234B (en) * | 2011-07-26 | 2015-12-09 | 昆山子力高新科技实业有限公司 | Hardware modularity and the configurable industrial control instrument device and method of software |
| CN104155955A (en) * | 2014-08-18 | 2014-11-19 | 成都联星微电子有限公司 | Industrial control acquisition system and method based on multi-point collaboration |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20130311 |