CN102637031A - Industrial energy-saving monitoring system based on wireless sensor network - Google Patents
Industrial energy-saving monitoring system based on wireless sensor network Download PDFInfo
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Abstract
The invention relates to an industrial energy-saving monitoring system based on a wireless sensor network. The industrial energy-saving monitoring system based on the wireless sensor network consists of a coordinator terminal, a data acquisition terminal, an energy consumption metering device and an output counting sensor. The data acquisition terminal comprises an energy consumption data acquisition terminal and an equipment data acquisition terminal, wherein the energy consumption data acquisition terminal for monitoring the energy consumptions of a workshop and an enterprise is connected with the energy consumption metering device through an RS485 bus, and the equipment data acquisition terminal for monitoring the outputs and the energy consumptions of production equipment is connected with the energy consumption metering device and the output counting sensor. The coordinator terminal is connected with a monitoring host, and forms a wireless sensor network based on a ZigBee protocol together with at least one data acquisition terminal. The energy consumptions and outputs in three levels of the production equipment, the workshop and the enterprise are monitored and statistically analyzed, so as to obtain the three-level energy consumption data, namely, the energy consumption of the procedure in the level of the production equipment, the energy consumption of the unit product in the level of the workshop, and the energy consumption of the unit product in the level of the enterprise. In combination with a reward and punishment system for energy saving, the industrial energy-saving monitoring system based on the wireless sensor network disclosed by the invention can effectively promote the enterprise to increase the energy efficiency, thereby achieving the purposes of energy conservation and efficiency improvement.
Description
Technical field
The present invention relates to electronic information technical field, specifically, relate to a kind of industrial energy saving monitoring system based on wireless sensor network.
Background technology
Industry is the maximum industry of China's energy-consuming, and particularly the large-scale production equipment power of commercial production use is high, and energy consumption is big.Owing to there are not perfect, energy-saving monitoring means easily; Usually enterprise work personnel awareness of saving energy is not strong; Cause places such as equipment low load operation or idle running, workshop, office pilot burner often appears, under no one's situation air-conditioning, the stove of warming oneself by a fire phenomenon such as in the same old way work, the situation that wastes energy is serious.
Existing wireless kilowatt meter reading-out system; What only copy and accept is the total energy consumption of single energy kind, only as the charge foundation, does not consider the quantity of apparatus processing product usually; Can not be directed against process energy consumption, energy consumption of unit product carries out statistical study, do not reach supervision energy-conservation with the energy-conservation effect of excitation.
The patent No. is the energy consumption that the utility model " a kind of small portable real time energy consumption monitoring device " of ZL201020224939.3, utility model " numerically-controlled machine real time energy consumption monitoring system " that the patent No. is ZL201120320637.0 only can field monitoring equipment, does not have to consider that mode through network solves the problem that equipment in the commercial production is numerous, need carry out distributed data acquisition.
The patent No. is that the utility model of ZL200820211890.0 and utility model that the patent No. is ZL200920069055.2 have respectively disclosed a kind of wireless data acquisition terminal; The terminal all comprises main control module and wireless communication module, to realize the wireless collection and the wireless transmission of data.These utility models are that the quality of power supply concentrates the research and development at terminal that technical foundation is provided, but do not reach distributed deployment, the requirement of the industry spot data acquisition of polytype data acquisition.
The patent No. is that the patent of invention " energy-saving monitoring system " of ZL200710147826.0 has disclosed a kind of energy-saving monitoring system, comprises a plurality of data collectors, the comprehensive test instrument that is connected with data collector and the background computer that is connected with comprehensive test instrument; Can carry out collection, storage, statistics, calculating and the remote transmission of several data such as electric power, heat energy.Number of patent application is that the patent of invention " a kind of efficiency data centralization terminal " of CN201110315495.3 has disclosed a kind of efficiency data centralization terminal, disposes through concentrating type, can gather multiple efficiency parameter.But this type patent is not considered the collection of the yield data of product equally, does not consider the statistical study of process energy consumption and energy consumption of unit product, and all adopts GPRS or the Ethernet means as data transmission, the shortcoming that exists communication network need pay and use.
Number of patent application is that the patent of invention " efficiency monitoring system " of CN201110219423.9 has disclosed a kind of efficiency supervisory system that can be applicable to the large-scale application that multiple enterprises inserts; System is made up of data collection station, database server, WEB server and client side etc., can adopt smart mobile phone, portable terminal etc. to monitor as client.But this technical scheme has only been considered the measurement of business electrical energy consumption, does not also press equipment, workshop, enterprise's three-level schema consideration energy use efficiency.
Summary of the invention
The shortcoming of background technology in view of the above, fundamental purpose of the present invention provides a kind of commercial production energy-saving monitoring system and relevant terminal device.Wireless sensor network technology based on the low-power consumption MANET is set up monitoring network; Energy consumption data, yield data through three grades of monitoring production equipment, workshop, enterprises; Through the fusion of data, gather, analyze, add up, obtain three grades of energy consumption datas, i.e. production equipment level process energy consumption, workshop level energy consumption of unit product, enterprise-level energy consumption of unit product; In conjunction with cycle production time, can obtain three grades production efficiency simultaneously.Through precise monitoring energy consumptions at different levels and production efficiency, in conjunction with energy-conservation incentive mechanism, can effectively promote the raising of personnel's awarenesss of saving energy at different levels and energy-conservation subjective initiative, effectively promote the raising of enterprises production efficiency, really reach object of energy saving.
In order to achieve the above object; The present invention provides a kind of industrial energy saving monitoring system; System counts sensor groups by monitoring host computer, telegon terminal, data collection station, the energy consumption measure instrument (like electric energy meter, water meter, heat energy table etc.) that is connected with data collection station and output and becomes, and data collection station and telegon terminal are based on the ZigBee agreement establishment wireless sensor network monitoring system of low-power consumption MANET.Data collection station divides two types; One type is the energy consumption data acquisition terminal; Adopt following technical scheme: based on advanced person's technical grade wireless communication technology and sensor technology, be made up of the ZigBee chip, communication interface circuit, antenna, the power module that have 8051 kernels, the energy consumption data acquisition terminal connects energy consumption measure instrument (like electric energy meter, water meter, heat energy table etc.); Accomplish the collection work of energy consumption data; Have wireless sensor network terminal node function simultaneously concurrently, also have the wireless sensor network router feature concurrently, promptly the energy consumption data collection station is one type of wireless sensor network global function node (FFD).Another kind of is the device data acquisition terminal; The device data acquisition terminal is accomplished functions such as the collection, processing, storage, demonstration, transmission of yield data and the energy consumption data of production equipment simultaneously; Equally; The terminal has wireless sensor network terminal node and router feature concurrently, and promptly the device data acquisition terminal also is one type of wireless sensor network global function node (FFD).
Said industrial energy saving monitoring system comprises a telegon terminal; The telegon terminal is the supvr of whole network organization; Manage other nodes (route and child node, energy consumption data acquisition terminal and device data acquisition terminal can become route or child node according to the needs of networking among the present invention) in its network.
Said industrial energy saving monitoring system comprises a data acquisition terminal at least, can improve the group-net communication ability of system through adding the router terminal as required.
Monitoring host computer in the said industrial energy saving monitoring system is equipped with monitoring of software, accomplishes that data are copied and accepted, stored, the analysis of three grades of energy consumption datas, statistical function, and according to client's needs production report.The present invention adopts radio sensing network collection and transmission data, need not cable wiring manufacture, can reduce construction costs and operation expense greatly.
In the above-mentioned energy-saving monitoring system, the ZigBee chip at said total data acquisition terminal and telegon terminal preferably adopts the CC2530 chip of TI company.
In the above-mentioned energy-saving monitoring system; Said total data acquisition terminal is one type of wireless sensor network global function node (FFD), has both had data acquisition function, can when networking, be configured to router feature as required automatically again; Also has the data transparency transfer function in addition; Promptly play the function that wireless transparent is connected between equipment and the monitoring host computer at the scene, make things convenient for user real time to obtain the parameter and the information of field apparatus, also conveniently pass on the user operational order field apparatus.
In the above-mentioned energy-saving monitoring system, the antenna at said total data acquisition terminal and telegon terminal preferably adopts SMA interface, gain to be the 2.4GHz antenna of 3dBi, and terminal works need not the frequency range usage charges in 2.4GHz International Industry science medical treatment (ISM) frequency range.
In the above-mentioned energy-saving monitoring system; The power module of said total data acquisition terminal comprises an automatic switch-over circuit; When civil power breaks off, automatically switch to subsequent use filled high power capacity lithium battery, civil power is given lithium cell charging simultaneously when the lithium battery electric weight is lower than 50% capacity.
In the above-mentioned energy-saving monitoring system; The communication interface of said energy consumption data acquisition terminal comprises a RS485 interface; Realize the data-switching between RS485 agreement and the ZigBee agreement; Conveniently realize seamless links, be used to gather and send the data of instrument with measurement instruments such as the water of being with the RS485 interface, electricity, heat, gas, vapour.
In the above-mentioned energy-saving monitoring system; The MCU main control chip at said terminal preferably adopts C8051F series low-power scm; C8051F series is a kind of little encapsulation, high-performance, low-power consumption mixed signal SOC(system on a chip) type MCU, is suitable for numerous applications such as TT&C system, instrument and meter.Chip integration becomes a lot of advanced features of peripheral hardware can save application code space and CPU execution time.
In the above-mentioned energy-saving monitoring system; The communication interface of said device data acquisition terminal comprises a RS485 interface; Realize the data-switching between RS485 agreement and the ZigBee agreement; Conveniently realize seamless links, be used to gather and send the data of instrument with energy consumption measure instrument such as the water of being with the RS485 interface, electricity, heat, gas, vapour.Said device data acquisition terminal also comprises a sensor for countering interface circuit, accomplishes the output record of production equipment.
In the above-mentioned energy-saving monitoring system, the data memory module of said production equipment data collection station preferably adopts SPI interface, jumbo AT24C32 chip, and MCU chip memory capacity process is expanded, and accomplishes the storage of historical data.
In the above-mentioned energy-saving monitoring system, the button display module of said production equipment data collection station preferably designs reset a reset key and a query function key, handled easily workman field notes current-period data and enquiry of historical data.First preferred version of said production equipment data collection station is, accomplishes the yield data of institute's monitoring equipment and the collection of energy consumption data simultaneously, adopts three groups of LED charactrons to show yield data, energy consumption data and process energy consumption respectively.
The present invention and the contrast of prior art scheme have better more overall technology effect, as follows.
1, through three grades of energy-saving monitorings, obtain equipment process energy consumption, workshop level energy consumption of unit product, enterprise-level energy consumption of unit product, effectively promote the employees at different levels of enterprise to improve energy-conservation consciousness, reduce pilot burner, reduce equipment low load operation or idle period.
2, through three grades of energy-saving monitorings, effectively promote the employees at different levels of enterprise to improve energy-conservation subjective initiative, explore, sum up and adopt the effective energy-saving methods.
3, through three grades of energy-saving monitorings, technical support is provided, cooperates the energy-conservation system of rewards and penalties, can effectively promote energy-saving and emission-reduction, raising to add energy efficiency for enterprise sets up energy-conservation constraint incentive mechanism.
4, through three grades of energy-saving monitorings, convenient grasp enterprise energy consumption consumption emphasis link place, for the technological transformation and the reducing energy consumption of production line or production equipment provides foundation accurately.
5, system also has the production efficiency monitoring function, and convenient employees at different levels understand actual production efficient, is the enterprise management level task of arranging production, and confirms and time limit that the client signs contract for processing work provides important decision-making foundation.
6, system is based on advanced person's wireless sensor network technology, thereby has low-power consumption MANET and the free advantage of using.
Description of drawings
Accompanying drawing 1 is whole hardware configuration of the present invention and networking synoptic diagram.
Accompanying drawing 2 is telegon terminal hardware structural representations of the present invention.
Accompanying drawing 3 is energy consumption data acquisition terminal hardware configuration synoptic diagram of the present invention.
Accompanying drawing 4 is device data acquisition terminal hardware configuration synoptic diagram of the present invention.
Accompanying drawing 5 is terminal of the present invention ZigBee chip and RF front end CC figure.
Accompanying drawing 6 is telegon of the present invention terminal main program flow charts.
Accompanying drawing 7 is data collection station application layer software process flow diagrams of the present invention.
Accompanying drawing 8 is that ZigBee module of the present invention is sent data flowchart.
Accompanying drawing 9 is ZigBee module receiving data stream journey figure of the present invention.
Accompanying drawing 10 is command formats of host computer commands coordinate device of the present invention terminal image data.
Accompanying drawing 11 is that the data layout that definite information is given main frame is returned at telegon of the present invention terminal.
Accompanying drawing 12 is data layouts that telegon terminal transmits data of the present invention is given main frame.
Accompanying drawing 13 is device level process energy consumption monitoring of the present invention and energy-saving effect figure.
Accompanying drawing 14 is workshop level energy consumption of unit product monitoring of the present invention and energy-saving effect figure.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Elaborate with regard to system architecture of the present invention and hardware composition earlier.
Introduce the system architecture among the present invention below.
Shown in accompanying drawing 1; The present invention provides a kind of industrial energy saving monitoring system based on wireless sensor network, and system is by telegon terminal A, energy consumption data acquisition terminal B, device data acquisition terminal C, the monitoring host computer that is connected with telegon A, the energy consumption measure instrument (like electric energy meter, water meter, heat energy table etc.) that is connected with energy consumption data acquisition terminal B and be connected energy consumption measure instrument and output sensor for countering on the device data acquisition terminal C etc. and form.
Shown in accompanying drawing 1, the deployment of the hardware device of system according to the invention divides three layers.
Ground floor is a mechanical floor, i.e. device data acquisition terminal C energy consumption and the processing output data of obtaining equipment through the energy consumption measure instrument that connects and output sensor for countering.
The second layer is a shop layer; Promptly gather all kinds of energy consumption quantity that the workshop consumes through energy consumption data acquisition terminal B; If the water in a certain workshop, electricity, heat, gas, vapour equal energy source gauging instrument are installed in the position of relatively concentrating; Then insert an energy consumption data acquisition terminal B in the lump through 485 buses; If the energy consumption measure instrument is inconvenient to be installed in a place of comparatively concentrating, and 485 wirings are inconvenient, connect an energy consumption data acquisition terminal B separately then can for the energy consumption measure instrument of inconvenient 485 wirings.
The 3rd layer is enterprises level; Data terminal with reference to shop layer is disposed principle; An energy consumption data acquisition terminal B is installed at least, metering all energy consumptions that enterprise operation consumed, enterprises level also comprises a telegon terminal A simultaneously; Telegon A is connected and installed with the main frame of monitoring software, and networking, management and Monitoring Data concentrated of accomplishing whole wireless sensor network such as gathers at work.
Introduce the system hardware terminal among the present invention below.
Shown in accompanying drawing 2; Telegon terminal A is made up of MCU main control chip, ZigBee chip, RF front-end chip, RS232 level transferring chip, pin-saving chip, power module and antenna; Above-mentioned module is electrically connected into as a whole; Except that the interface of antenna and necessity, all the other whole circuit are installed in the metal shell of a sealing, effectively shield the electromagnetic interference (EMI) under the abominable industrial environment.
In order to alleviate the burden of ZigBee chip; Guarantee the robustness and the stability of whole network; Contain a MCU main control chip in the telegon; The MCU main control chip preferably adopts C8051F series low-power scm, and all the other work outside the radio communication of completion telegon comprise the data of being responsible for regularly carrying out in data acquisition tasks, processing and each data terminal data sent of fusion, storage and the regular update eeprom chip, other task communication of completion host computer.
The CC2530 chip that the ZigBee chip of telegon preferably adopts TI company to produce is accomplished the wireless networking communication task.
The CC2591 chip that the RF front-end chip of telegon preferably adopts TI company to produce is accomplished the front-end processing of radio-frequency receiving-transmitting signal, once the power of strong radio-frequency receiving-transmitting signal.
The pin-saving chip of telegon preferably adopts SPI interface, jumbo AT24C32 chip, and MCU chip memory capacity process is expanded, and accomplishes the storage of monitoring historical data.
The RS232 level transferring chip of telegon preferably adopts the SP3232 chip of Sipex company, adopts the 3.3V power supply, and is consistent with ZigBee chip power supply voltage.
Shown in accompanying drawing 3; Energy consumption data acquisition terminal B is made up of ZigBee chip, RF front-end chip, RS485 level transferring chip, power module and antenna; Above-mentioned module is electrically connected into as a whole; Except that the interface of antenna and necessity, all the other whole circuit are installed in the metal shell of a sealing, effectively shield the electromagnetic interference (EMI) under the abominable industrial environment.
The ZigBee chip of energy consumption data acquisition terminal, the preferred version of RF front-end chip are identical with the telegon terminal.
The RS485 level transferring chip of energy consumption data acquisition terminal preferably adopts the SP3232 chip of Sipex company, adopts the 3.3V power supply, and is consistent with ZigBee chip power supply voltage.
The energy consumption data acquisition terminal is one type of wireless sensor network global function node (FFD); Except being responsible for carrying out the energy consumption data acquisition; When networking, can be configured to router feature automatically as required, also have the data transparency transfer function in addition, promptly play the function that wireless transparent is connected between instrument and the monitoring host computer at the scene; Make things convenient for user real time to obtain the parameter and the information of field instrument, also convenient reception and registration user is to the operational order of field intelligent instrument.
Shown in accompanying drawing 4; Device data acquisition terminal C is made up of MCU main control chip, ZigBee chip, RS485 level transferring chip, storage chip, power module, key-press module, display module and antenna; Above-mentioned module is electrically connected into as a whole; Except that antenna, button, display part and necessary interface, all the other whole circuit are installed in the sealed plastic box that contains electro-magnetic screen layer.
The MCU main control chip preferred version of device data acquisition terminal C is identical with the technical scheme that aforementioned telegon terminal A adopts, and promptly preferably adopts C8051F series low-power scm.
The ZigBee chip of device data acquisition terminal C and the preferred version of storage chip are identical with the technical scheme that aforementioned telegon terminal A adopts, and promptly preferably adopt CC2530 and AT24C32 chip respectively.
The preferred version of the RS485 level transferring chip of device data acquisition terminal C is identical with the technical scheme that aforementioned energy consumption data acquisition terminal B adopts, and promptly preferably adopts the SP3232 chip of Sipex company.
Shown in accompanying drawing 5, ZigBee chip and radio frequency front end chip CC schematic diagram.As a preferred version, the ZigBee chip adopts the CC2530 of TI company, and radio frequency front end chip adopts the TI CC2591 of company, and physical circuit connects as shown in the figure.
The terminal software of introducing below among the present invention constitutes.
Accompanying drawing 6 is telegon of the present invention terminal main program flow charts.
Wireless sensor network system involved in the present invention comprises a telegon terminal; The also operation of maintaining network is responsible for setting up in the telegon terminal; Function with MANET; Can find that other data collection station application adds the request of network, and preceding setting is installed, allow legal data collection station to add network according to the client.The telegon terminal has the electrifying self-resetting function, behind the electrification reset, carries out following basic operation.
The first step is to carry out the hardware and software initial work.
Second step was the available channel of inquiry, selected suitable channel to set up network and setting network PAN ID number.
The 3rd step was to wait for that energy consumption acquisition terminal or device data acquisition terminal add the network application; If apply for legal then distribute a short address to give data terminal; And the unique identification address at reading of data terminal; Be the globally unique IEEE address of solidifying in the chip, distinguish different measurement data with the corresponding relation (user can use client software to be provided with and to revise) of installation site or surveying instrument (or production equipment) according to IEEE address, terminal.
The 4th step was that the application that networks disposes, and whether inspection does not have pending incident when having new application, if pending incident is handled otherwise the 3rd step of rebound accordingly.The client layer incident that telegon need be handled in the native system mainly contains three; (1) data terminal is gathered related data and is processed, merges and store in the Periodic Notice network; (2) carry out the task that transmission Monitoring Data that monitoring host computer sends is given monitoring host computer, the task of data collection station state in the inspection network that monitoring host computer sends is carried out in (3).The client layer incident is not limited to above-mentioned three, can expand as required.
Accompanying drawing 7 is data collection station application layer software process flow diagrams of the present invention.
Wireless sensor network system involved in the present invention comprises at least one data collection station; Data collection station is designed to two types in the present invention; One type is the terminal that only can gather energy consumption data through the RS485 bus; Be the energy consumption data acquisition terminal B described in Fig. 1, another kind of is the terminal that can gather the responsible production equipment data acquisition of energy consumption and output, i.e. device data acquisition terminal C described in Fig. 1.The data collection station application layer procedure is basic identical, and the execution in step of core is following.
The first step is to carry out the hardware and software initialization after powering on.
Second step was the optimum father node of inquiry, and sent the request of networking to father node.Said father node comprises router terminal or telegon terminal; All data collection stations among the present invention all have router feature concurrently; All be wireless sensor network global function node (FFD), can serve as the father node in the network, to realize the multi-hop communication of data terminal.
The 3rd step was that the network application is gone in the agreement of waiting for father node.
The 4th step was that whether inspection has pending incident after successfully applying for networking, if pending incident is handled accordingly, otherwise got into dormant state.Dormant state can be activated by timer or external interrupt, activates the back poll event and does corresponding processing.The client layer incident that the energy consumption data acquisition terminal need be handled in the native system mainly contains two; (1) reads the energy consumption measure list event; Promptly receive the meter reading instruction of network; Accomplish the meter reading operation and return energy consumption data, (2) data transparency transmission events promptly only is transmitted to father node or all child nodes with the network data sent.The client layer incident is not limited to two, can expand as required.The client layer incident that equipment need be handled according to the ZigBee communication module of acquisition terminal in the native system is identical with the energy consumption data terminal, but this data terminal also has yield data collection, demonstration, memory function, and these functions are realized by the MCU module controls of special use.
Accompanying drawing 8 is that ZigBee module of the present invention is sent data flowchart.
The basic step that the ZigBee module is sent data is following.
The first step, initiating hardware and software.
Second step, configuration DMA register and RFD register.
The 3rd step, judge the length of data to be sent, if data length to be sent less than 122 bytes, then all writes the TxFIFO FIFO buffer, and if surpassed 122 bytes would extract first totally 122 bytes write the TxFIFO FIFO buffer.
In the 4th step, whether inspection RSSI indicated value is normal, if normal expression signal meets the transmission requirement, otherwise waits for that 2ms reexamines the RSSI indicated value, and so circulation is normal up to the RSSI indicated value.
In the 5th step, start Tx and send data.
The 6th step, check that this sends data and whether all sends and finish, sending finishes then gets into next step, sends remaining data otherwise returned for the 3rd step, and so circulation finishes up to transmission and gets into next step again.
The 7th step, the arrival of wait acknowledge signal.Receive in the 5ms that confirmation signal then successfully returns, confiscate confirmation signal above 5ms and then resend total data that repeating transmission is then returned above 5 times can not arriving signal.
Accompanying drawing 9 is ZigBee module receiving data stream journey figure of the present invention.
The basic step that the ZigBee module receives data is following.
The first step, initiating hardware and software.
Second step, configuration DMA register, seek idle DMA passage, start Rx and receive data, or the like gathering data arrival get into next step again up to receiving data.
The 3rd step, resolve the data that receive, obtain the destination address of data.
The 4th step, the address of correlation data destination address and this equipment, if the data destination address be not this equipment then directly return, if the data destination address is successfully to return after this equipment transmission confirmation.
Introduce monitoring host computer and the communication protocol between the telegon among the present invention below.
Accompanying drawing 10 is command formats of host computer commands coordinate device of the present invention terminal image data.
Host computer monitoring software is connected with telegon through the UART interface, serial communication each other, and upper computer software is given an order through the data frame format shown in accompanying drawing 10.Carrying out order according to the regulation shown in the accompanying drawing 10 generates.Check code is calculated by program and generates, and adopts the XOR verification here.Prescribed terminal is numbered 0x00 0x00 to be represented to operate to the data terminal of whole network, and other numbering then expression is only operated this data terminal.The user command parameter can be set various modes as required for; For example regulation user command parameter 1 and 2 is gathered the displayed value of the surveying instrument be connected and is sent it back monitoring host computer for 0x01 0x00 0x00 0x00 representes the order data terminal, then works out following order data frame (tentation data terminal be numbered 0x1234) here:
0xFE 0x07 0x29 0x01 0x12 0x34 0x08 0x08 0x01 0x00 0x00 0x00 adds the check code of 1 byte.
If the reading order is carried out at the terminal in the whole network, then work out following format command:
0xFE 0x07 0x29 0x01 0x00 0x00 0x08 0x08 0x01 0x00 0x00 0x00 adds the check code of 1 byte.
Accompanying drawing 11 is that the data layout that definite information is given main frame is returned at telegon of the present invention terminal.
Confirmation is returned according to the form shown in the accompanying drawing 11 after carrying out the order of monitoring host computer in the telegon terminal, and for example monitoring host computer sends the order of the terminal in the whole network being carried out reading in the previous example, returns after telegon runs succeeded:
0xFE 0x01 0x69 0x01 0x00 0x00 0x01 adds the check code of 1 byte, if telegon is carried out unsuccessful then is returned:
0xFE 0x01 0x69 0x01 0x00 0x00 0x00 adds the check code of 1 byte.
Accompanying drawing 12 is data layouts that telegon terminal transmits data of the present invention is given main frame.
Telegon terminal transmits data of the present invention carries out for the data layout according to shown in the accompanying drawing 12 of main frame.For example
0xFE 0x08 0x46 0x87 0x12 0x34 0x02 0x00 0x02 0x08 0x09 adds the check code of 1 byte
The expression telegon will be numbered the data of totally two bytes (0x08 0x09) that the data terminal of 0x12 0x34 sends and sent to monitoring host computer.
Introduce the energy consumption efficiency computing method and the energy-saving monitoring actual effect of the energy-saving monitoring among the present invention below.
Accompanying drawing 13 is device level process energy consumption monitoring of the present invention and energy-saving effect exemplary plot.
Device level process energy consumption among the present invention is totally two kinds of definition.
The one, the process energy consumption on the same day of equipment is represented the power consumption quantity of the single operation of equipment in a day, and counter does
The 2nd, equipment average process energy consumption over a period to come, counter does
In above-mentioned two formulas, the energy consumption total value on the total value representation of equipment energy consumption on same day same day is converted and addition obtains by energy consumptions such as electricity, water, heat, gas, vapour; The same day, apparatus processing output represented that this equipment carried out the total amount of a certain working procedure processing; Equipment accumulative total energy consumption total value is represented the energy consumption total value in the cycle sometime, and converting also by energy consumptions such as electricity, water, heat, gas, vapour, addition obtains; Equipment accumulative total processing output representes that this equipment in the cycle sometime carries out the total amount of a certain working procedure processing.
For example, adopt the present invention to monitor the energy-conservation situation of certain piston ring manufacturing enterprise,, extract this grinding machine Monitoring Data in March, 2012, obtain the analysis result shown in accompanying drawing 13 to a large-scale grinding machine.Visible by accompanying drawing 13, the present invention can effectively monitor production equipment the same day process energy consumption with average process energy consumption, and analyze Figure 13 and can know, though the process energy consumption on the same day of this production equipment has the change of fluctuating, totally be downward trend; Average process energy consumption is clear to demonstrate downtrending, shows that the present invention can play energy-saving effect.
Accompanying drawing 14 is workshop level energy consumption of unit product monitoring of the present invention and energy-saving effect exemplary plot.
Workshop level energy consumption of unit product calculating formula among the present invention
In the formula, interior energy consumption total value of record cycle of the total value representation of workshop energy consumption, converting also by energy consumptions such as electric energy, water, heat, gas, vapour, addition obtains; The workshop processing output is represented the finished product or the semi-manufacture total amount of this workshop processing in the record cycle.
For example; Adopt the present invention to monitor the energy-conservation situation of certain piston ring manufacturing enterprise; To a highly energy-consuming workshop (have the production equipment of 12 highly energy-consumings, the full electricity that adopts drives, and only needs to calculate electric energy here); Extract the workshop Monitoring Data in March, 2012, obtain the analysis result shown in accompanying drawing 14.Visible by accompanying drawing 14, the present invention can effectively monitor the energy consumption and the workshop level energy consumption of unit product of workshop, and analyzes Figure 14 and can know that the energy consumption of unit product of this workshop becomes downtrending, shows that the present invention can play energy-saving effect.
In like manner, can get the energy consumption of unit product of enterprise-level, even the energy consumption of unit product added value.
Enterprise-level energy consumption of unit product calculating formula among the present invention does
In the formula, this enterprise energy consumption total value in certain one-period of the total value representation of enterprise energy consumption, converting also by energy consumptions such as electricity, water, heat, gas, vapour, addition obtains; Enterprise production is represented the product population of this enterprise production in the cycle sometime.
Industrial energy saving monitoring system disclosed by the invention; Realize equipment, workshop, three grades of monitorings of enterprise through wireless sensor network, effectively obtain energy consumptions at different levels and output, carry out simple analysis and contrast; Obtain three grades of energy consumption datas; Be production equipment level process energy consumption, workshop level energy consumption of unit product, enterprise-level energy consumption of unit product,, can obtain three grades production efficiency simultaneously in conjunction with cycle production time.Through precise monitoring energy consumptions at different levels and production efficiency, in conjunction with energy-conservation incentive mechanism, can effectively promote the raising of personnel's awarenesss of saving energy at different levels and energy-conservation subjective initiative, effectively promote the raising of enterprises production efficiency, really reach object of energy saving.
Claims (8)
1. industrial energy saving monitoring system based on wireless sensor network; Become by monitoring host computer, telegon terminal, data collection station, the energy consumption measure instrument that is connected with data collection station and output counting sensor groups; It is characterized in that: the wireless sensor network monitoring system based on the ZigBee agreement is formed at data collection station and telegon terminal, and system has the characteristics of low-consumption wireless MANET; Energy consumption and output through three grades of monitoring production equipment, workshop, enterprises; Obtain three grades of energy consumption datas, i.e. production equipment level process energy consumption, workshop level energy consumption of unit product, enterprise-level energy consumption of unit product are in conjunction with the energy-conservation system of rewards and penalties; Promote the raising of energy efficiency, reach object of energy saving.
2. system coordination device terminal according to claim 1; It is characterized in that forming by MCU main control chip, ZigBee chip, RF front-end chip, RS232 level transferring chip, pin-saving chip, power module and antenna; Above-mentioned parts are electrically connected into as a whole; Except that the interface of antenna and necessity, remainder is installed in the metal shell of a sealing, the order of the establishment of completion monitoring network and management, execution monitoring host computer.
3. the data collection station of system according to claim 1, it is characterized in that: data collection station divides two types, and one type is the energy consumption data acquisition terminal, connects energy consumption measure instrument (like electric energy meter, water meter, heat energy table etc.), accomplishes the monitoring of energy consumption data; Another kind of is the device data acquisition terminal, accomplishes the monitoring of the yield data and the energy consumption data of production equipment simultaneously.
4. energy consumption data acquisition terminal as claimed in claim 3; It is characterized in that: form by ZigBee chip, RF front end, communication interface circuit, antenna, power module; Except that the interface of antenna and necessity; Remainder is sealed in the outer box of a metal, has wireless sensor network global function nodal function (FFD).
5. device data acquisition terminal as claimed in claim 3; It is characterized in that: except the characteristic of energy consumption data acquisition terminal; The device data acquisition terminal also contains a MCU microcontroller and a storage chip, and their major functions are to accomplish the yield data of production equipment and collection, processing, storage, demonstration, the query function of energy consumption data.
6. energy-saving monitoring system as claimed in claim 1, its another characteristic is: production equipment the same day process energy consumption and in the cycle average process energy consumption calculating formula be respectively
In the formula, the energy consumption total value on the total value representation of equipment energy consumption on same day same day is converted and addition obtains by energy consumptions such as electricity, water, heat, gas, vapour; The same day, apparatus processing output represented that this equipment carried out the total amount of a certain working procedure processing; Equipment accumulative total energy consumption total value is represented the energy consumption total value in the cycle sometime, and converting also by energy consumptions such as electricity, water, heat, gas, vapour, addition obtains; Equipment accumulative total processing output representes that this equipment in the cycle sometime carries out the total amount of a certain working procedure processing.
7. energy-saving monitoring system as claimed in claim 1, its another characteristic is: workshop level energy consumption of unit product calculating formula does in certain monitoring periods
In the formula, this workshop energy consumption total value in a certain cycle of the total value representation of workshop energy consumption, converting also by energy consumptions such as electricity, water, heat, gas, vapour, addition obtains; The workshop processing output is represented the finished product or the semi-manufacture total amount of this workshop processing in the cycle sometime.
8. energy-saving monitoring system as claimed in claim 1, its another characteristic is: enterprise-level energy consumption of unit product calculating formula does in certain monitoring periods
In the formula, this enterprise energy consumption total value in a certain cycle of the total value representation of enterprise energy consumption, converting also by energy consumptions such as electricity, water, heat, gas, vapour, addition obtains; Enterprise's processing output is represented the product population of this enterprise production in the cycle sometime.
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