CN101482751A - Greenhouse environment control system equipped with power line modem - Google Patents
Greenhouse environment control system equipped with power line modem Download PDFInfo
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- CN101482751A CN101482751A CNA2009100781325A CN200910078132A CN101482751A CN 101482751 A CN101482751 A CN 101482751A CN A2009100781325 A CNA2009100781325 A CN A2009100781325A CN 200910078132 A CN200910078132 A CN 200910078132A CN 101482751 A CN101482751 A CN 101482751A
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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 present invention relates to a greenhouse environment control system installed with a power line modulator/demodulator. The system comprises the following components: a field collection control module which is installed with a signal input interface that is used for connecting the environment sensor, a signal output interface that is used for connecting the environment control device, a data transmission interface that is used for connecting with the power line modulator/demodulator, and/or power source supplying interface that is used for connecting with the power source; the power line modulator/demodulator which is installed with the data transmission interface that is used for connecting with the field collection control module or monitoring host, a power line electricity-taking interface that is used for connecting with the power source, and a power source output interface; and the monitoring host which receives greenhouse environment data through the power line modulator/demodulator and power line and outputs control instruction to the environment control device, wherein the monitoring host comprises a computer and software installed in the computer. The system of the invention has the advantages of reliable connection of wired connection mode, convenient construction of wireless connection mode, and no requirement for paying the wireless connection expense.
Description
Technical field
The present invention relates to the device of a kind of monitoring, control greenhouse, be specifically related to a kind of greenhouse environment control system that power line modem is housed.
Background technology
In recent years, agricultural facilities such as greenhouse develop rapidly at home, and the structure of agricultural production and the raising agricultural performance that enrich China have been given play to enormous function.The greenhouse automatic control technology development of countries in the world is very fast now, developed country such as Israel, the U.S., can be according to the requirement and the characteristics of chamber crop, all multiple-factors such as illumination in the greenhouse, temperature, water, gas, fertilizer are controlled automatically, and on the basis of realizing robotization, developed towards full automation, unmanned direction.
Slightly serial controller is based on high performance agricultural irrigation and the greenhouse climate robotization Programmable Logic Controller that uses Intel188 CPU in the gal of typical products such as Israel, employing modular design expansion, make the user be easy to assemble according to the actual requirements oneself control system, satisfy and conform to the principle of simplicity only that machine controls to complicated cluster control requirement.The GHC100 type 6 greenhouse controllers that typical products such as U.S. GreenAir company produce, by connecting multiple sensors and controlled plant, for the user provides omnibearing control ability, can realize that being controlled to be plant to omnibearing greenhouse from simple low-cost Ventilation Control provides optimum growing environment.
The domestic monitoring apparatus for green house groupenvironment based on the CAN bus as Zhejiang Polytechnical University development comprises the CSRC layer, each greenhouse is carried out the on-site supervision layer of corresponding control and gathers the environmental parameter in greenhouse and the mechanical floor of the execution of control signal etc.The CSRC layer is connected by upper strata CAN bus communication with the on-site supervision layer, and the on-site supervision layer is connected by lower floor's CAN bus communication with mechanical floor, can realize effective monitoring is carried out in group rings border, greenhouse.The warmhouse booth humiture collection communicating system based on wireless sensor network of Inst. of Computing Techn. Academia Sinica development comprises: the wireless sensor network of being made up of the measured node that is distributed in the warmhouse booth; The supervising device that is connected and forms with monitor terminal by base-station node; Radio communication between described base-station node and the described wireless sensor network, monitor terminal is set to local mode of operation or two kinds of patterns of remote monitoring mode of operation of showing by the transmitting control commands communication system, has advantages such as power consumption is few, quickly networking.
The defective of background technology
Existing greenhouse supervisory system mainly adopts modular system architecture, has characteristics such as expansion is flexible.Communication between intermodule and module and main frame, the system that has adopts wired connection modes such as CAN, RS485, LAN (Local Area Network), and the system that has adopts wireless connections modes such as ZigBee, GSM/GPRS, wireless digital broadcasting station.Multiple connected mode can allow the user come selective system according to the actual demand of oneself, has satisfied the demand of actual production to a great extent.
Currently used above-mentioned wired with wireless communication modes also has certain defective: the wired connection mode has and is connected reliable advantage, but shortcomings such as the cost of required cable is big, constructional difficulties and great in constructing amount, system maintenance difficulty; Though the wireless connections mode has the advantage of easy construction, bigger but the stability of communication signal is subjected to landform, building, climatic influences, wireless communication mode that has such as GSM/GPRS etc. also will produce the wireless function expense.
Summary of the invention
The purpose of this invention is to provide the electric line carrier communication greenhouse environment control system, it can use, and existing line of electric force is as data transmission channel in the greenhouse, and realization is to the efficient Monitoring and Controlling in greenhouse and group rings border, greenhouse.System has the wired connection mode and has the reliable advantage of connection, and need not cable cost and a large amount of construction; Have the advantage of wireless connections mode easy construction, and need not to pay the wireless connections expense.
For achieving the above object, technical scheme of the present invention is to adopt a kind of greenhouse environment control system that power line modem is housed, and comprising:
The collection in worksite control module, be used to gather the greenhouse data, receive control data and described data are handled, the power supply that is provided with the signal input interface, the signal output interface that is used for the JA(junction ambient) opertaing device that are used for the JA(junction ambient) sensor in described collection in worksite control module, is used to connect the data transmission interface of power line modem and/or is used to connect power supply is supplied with interface;
Power line modem, carry out carrier modulation again after being used for data are encoded, then described carrier signal is coupled to that to carry out teletransmission on the line of electric force defeated, the carrier signal that simultaneously also is used for line of electric force is transmitted is carried out decoupling zero, demodulation, decoding processing, is provided with data transmission interface, the line of electric force power taking interface that is used to connect power supply that is used to connect described collection in worksite control module or monitoring host computer, the power output interface that is used for the power supply supply on described power line modem;
Monitoring host computer receives the greenhouse data by described power line modem and line of electric force, and the output steering order is to described environmental control equipment, and described monitoring host computer comprises computing machine and the software that is loaded in the described computing machine.
Wherein, described collection in worksite control module comprises single-chip microcomputer, on described single-chip microcomputer, be connected with and be used to provide electrification reset and can prevent watchdog chip that module crashes, be used to store data-carrier store chip that parameter and image data are set, be used to described module to provide clock chip, display, the button of time reference, described power supply to supply with interface, data transmission interface, control output interface, signal input interface also to be connected on the described single-chip microcomputer.
Wherein, described display is a LCD.
Wherein, described button is a membrane keyboard.
Wherein, in described single-chip microcomputer, be embedded with the embedded software that is used for data acquisition, device control, data communication, data presentation.
Wherein, described power line modem comprises the power line carrier chip,
Described power line modem comprises the power line carrier chip, described power line carrier chip connects power supply processing circuit, reset circuit, the circuit that accepts filter, zero cross detection circuit, accept data by the described data transmission interface that is connected on the power line carrier chip, and output signal is to sending filtering circuit; Described transmission filtering circuit outputs signal to the line of electric force coupled circuit, and described line of electric force coupled circuit also sends a signal to the described circuit that accepts filter.
Wherein, described line of electric force power taking interface and described power output interface all are arranged on the described power supply processing circuit.
Wherein, in the software of described monitoring host computer, comprise and be used for the top control module that uniform dispatching is handled all resources, carry out exchanges data between described top control module and subscriber interface module, system database, the communication interface module, described communication interface module is used to control power line modem and the collection in worksite control module is carried out exchanges data, the data supporting platform that described system database is whole monitoring software.
Wherein, in described top control module, be provided with the plurality of sub module.
Wherein, described submodule comprises: specifically be provided with according to the demand of greenhouse the collection in worksite control module quantity, installation site, communication interface resource module totally is set; Be used for being provided with quantity, signal type, the parameter area of each collection in worksite sensor that control module connects, the input of calibration value system input information is provided with module; Be used for being provided with quantity, type, the method for operation of the adjusting device that each collection in worksite control module connected, the output of system's control output information is provided with module; Be used to set up the measurement data of concrete sensor and the control logic module of corresponding adjusting device interaction relation; For the user provides the state of environment, equipment, and to parameter transfinite, the user misoperation mistake produces the status alert module of reporting to the police; For the user provides data presentation mode intuitively, and the diagram rendering module and the data analysis module that data are carried out statistical study according to user's request; Can be used to the function expansion connection module that loads external function module or accept external data.
Compare with existing technology, advantage of the present invention and beneficial effect are:
1, adopts the communication of power line carrier mode between collection in worksite control module and monitoring host computer, need not to lay separately communication line, do not produce communication fee, the cheap and communication good reliability of expense.
2, system adopts modular mode to make up, and can adjust collection in worksite control module quantity arbitrarily according to the actual items demand, builds the system of the scale of being suitable for, and extendability is strong.
3, the IO interface of collection in worksite control module adopts standardized designs, can connect the sensor of various standard signal outputs and the controlled plant of standard signal input, wide adaptability.
4, monitoring software adopts the modular mode establishment and has friendly man-machine interface, and the user is as long as be provided with through simple, goes out the functions such as input, output, demonstration, storage, steering logic, data processing, warning of applicable system with regard to definable, the dirigibility height.
5, the built-in multiple steering logic of monitoring software based on environmental goals, and, can realize various types of greenhouses and greenhouse group's unmanned and intellectual monitoring control easily for the user provides steering logic setting and modify feature.
Description of drawings
Fig. 1 is the one-piece construction block diagram of environmental control system of the present invention;
Fig. 2 is a collection in worksite control module functional block diagram in the environmental control system of the present invention;
Fig. 3 is a power line modem functional block diagram in the environmental control system of the present invention;
Fig. 4 is a monitoring software functional block diagram in the environmental control system of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Control system of the present invention comprises several sections such as a plurality of collection in worksite control modules 12, power line modem 11, monitoring host computer 10, thereby constitutes a complete environmental monitoring, control system, as shown in Figure 1.Described collection in worksite control module 12 has sensor information input interfaces such as analog quantity, digital quantity, quantity of state, the device control output interface that has relay output, analog quantity output simultaneously, can finish the collection of on-the-spot various data and state by sensor, and by the Control work of the man-machine dialog interface in the monitoring host computer to field apparatus; In power line modem 11, also be provided with power interface and data transmission interface, supply with the data transmission that reaches with the aftermentioned communication module in order to the power supply of finishing power line modem 11.Described power line modem 11, being responsible for from the line of electric force 13 power taking handles the back and is self and above-mentioned collection in worksite control module power supply, and, can on 220/110V, 50/60Hz line of electric force 13, realize local communication for power line modem 11 provides the half-duplex operation function.Described monitoring host computer is responsible for collection, storage, the analyzing and processing of data and is sent to the device control instruction.
The work relationship and the flow process of above-mentioned each power line modem 11 are as follows: the collection in worksite control module is connected with sensor, obtain various desired datas by sensor, after standardization is carried out with data in acquisition control module inside, send to power line modem 11 by data transmission interface; Carry out carrier modulation after power line modem 11 is encoded data again, coupling is transmitted into that to carry out teletransmission on the line of electric force 13 defeated then; Power line modem 11 also is installed by accepting filter, after the digital demodulation, the data that receive being sent to monitoring host computer at the monitoring host computer end; Monitoring host computer is by after handling data analysis, the corresponding apparatus steering order is sent to again the power line modem 11 of on-the-spot end by power line modem 11 and line of electric force 13, on-the-spot power line modem 11 is again by accepting filter, being sent to acquisition control module, the final control that realizes field apparatus after the digital demodulation.If the power line modem 11 of on-the-spot end and power line modem 11 apart from each others of monitoring host computer end, just need pass through local side apparatus, carrier signal in the power line modem 11 is converted to data-signal or converts data-signal to carrier signal, local side apparatus wherein be installed in power line modem 11 near, and the data-signal between local side apparatus and the local side apparatus is by netting twine or telephone wire or transmission mutually such as optical fiber cable or wireless base station.
As shown in Figure 2, above-mentioned collection in worksite control module is made of jointly parts such as single-chip microcomputer 20, house dog 21, data-carrier store 22, clock chip 23, LCDs 24, touch key-press 25, power interface 26, data transmission interface 27, control output interface 28, signal input interfaces 29.Single-chip microcomputer 20 and inner embedded software thereof are responsible for functions such as data acquisition, control, communication, data presentation as the monitoring core of whole acquisition control module; House dog 21 is used to provide electrification reset, and can prevent that the collection in worksite control module from crashing; Data-carrier store 22 is in order to deposit the contents such as data that parameter and collection are set; Clock chip 23 provides time reference for the collection in worksite control module; LCDs 24, the touch key-press 25 common man-machine interfaces that make up are to provide the man-machine interaction service; Power interface 26 is used for obtaining direct current 24V power supply from power line modem 11, and provides corresponding power supply support to the power supply of obtaining through back each functional unit for acquisition control module of processing such as isolation, step-down; The collection in worksite control module is carried out exchanges data by data transmission interface 27 and power line modem 11; Control output interface 28 is used for connecting on-the-spot various environment conditioning equipment; Signal input interface 29 is used for connecting on-the-spot various environmental parameter detecting sensors.
As shown in Figure 3, above-mentioned power line modem 11 is made of jointly parts such as power line carrier chip 30, reset circuit 31, data transmission interface 32, power output interface 33, power supply processing circuit 34, line of electric force power taking interface 35, zero cross detection circuit 36, the circuit 37 that accepts filter, transmission filtering circuit 38 and line of electric force coupled circuits 39.Power line carrier chip 30 is in order to finish the work such as coding and decoding, error correction and modulation that will transmit and receive data; Reset circuit 31 makes power line carrier chip 30 internal registers reset by level control; Data transmission interface 32 is finished the exchanges data work with above-mentioned collection in worksite control module, line of electric force power taking interface 35 obtains power supply from line of electric force 13, and it is whole module for power supply that process power supply processing circuit 34 is handled the back, also pass through power output interface 33 is that acquisition control module is powered; Zero cross detection circuit 36 is used to detect the zero crossing of alternating current; The circuit of being made up of the LC bandpass filter 37 that accepts filter, send that filtering circuit 38 is used to send and the filtering of received signal, line of electric force coupled circuit 39 receives or sends signal by the signal coupling transformer on line of electric force 13.Above-mentioned monitoring host computer is made of panel computer, the monitoring software of finishing data acquisition and device control.
As shown in Figure 4, monitoring software is made up of a plurality of functional modules, and wherein top control module carries out the uniform dispatching processing to all resources of monitoring software; User interface provides system and operator's human-computer interaction interface, and communication interface module is used to control power line modem 11 and carries out exchanges data with collection in worksite control module 12; System database is as the data supporting platform of whole monitoring software, in order to deposit Various types of data such as collection, setting, logic, warning; Module totally is set can be according to the real needs of project, the quantity of collection in worksite control module specifically is set, the installation site, communication interface resource etc., input is provided with the quantity that module is used for being provided with each collection in worksite sensor that control module connects, signal type, parameter area, system's input informations such as calibration value, output is provided with the quantity that module is used for being provided with the adjusting device that each collection in worksite control module connected, type, systems such as method of operation control output information, control logic module is used for setting up the measurement data of concrete sensor and the interaction relation of corresponding adjusting device; The status alert module provides the state of environment, equipment to the user, and to parameter transfinite, the wrong generation such as user misoperation report to the police; Diagram rendering module and data analysis module provide data presentation mode intuitively for the user, and according to user's request data are carried out statistical study; The function expansion interface can be used to load external function module or accepts external data.
The advantage of the embodiment of the invention is, it can provide a kind of greenhouse environment control system based on the electric line carrier communication mode, and it can use in the greenhouse existing line of electric force to realize efficient monitoring, control to greenhouse and group rings border, greenhouse as data transmission channel.System has the cable network connected mode and has the reliable advantage of connection, and need not cable cost and a large amount of construction; Also have the advantage of wireless connections mode easy construction simultaneously, and need not to pay the expense that wireless network connects.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of greenhouse environment control system that power line modem is housed is characterized in that, comprising:
The collection in worksite control module, be used to gather the greenhouse data, receive control data and described data are handled, the power supply that is provided with the signal input interface, the signal output interface that is used for the JA(junction ambient) opertaing device that are used for the JA(junction ambient) sensor in described collection in worksite control module, is used to connect the data transmission interface of power line modem and/or is used to connect power supply is supplied with interface;
Power line modem, carry out carrier modulation again after being used for data are encoded, then described carrier signal is coupled to that to carry out teletransmission on the line of electric force defeated, the carrier signal that simultaneously also is used for line of electric force is transmitted is carried out decoupling zero, demodulation, decoding processing, is provided with data transmission interface, the line of electric force power taking interface that is used to connect power supply that is used to connect described collection in worksite control module or monitoring host computer, the power output interface that is used for the power supply supply on described power line modem;
Monitoring host computer receives the greenhouse data by described power line modem and line of electric force, and the output steering order is to described environmental control equipment, and described monitoring host computer comprises computing machine and the software that is loaded in the described computing machine.
2, the greenhouse environment control system that power line modem is housed as claimed in claim 1, it is characterized in that, described collection in worksite control module comprises single-chip microcomputer, on described single-chip microcomputer, be connected with and be used to provide electrification reset and can prevent watchdog chip that module crashes, be used to store data-carrier store chip that parameter and image data are set, be used to described module to provide clock chip, display, the button of time reference, described power supply to supply with interface, data transmission interface, control output interface, signal input interface also to be connected on the described single-chip microcomputer.
3, the greenhouse environment control system that power line modem is housed as claimed in claim 2 is characterized in that, described display is a LCD.
4, the greenhouse environment control system that power line modem is housed as claimed in claim 3 is characterized in that, described button is a membrane keyboard.
5, the greenhouse environment control system that power line modem is housed as claimed in claim 4 is characterized in that, is embedded with the embedded software that is used for data acquisition, device control, data communication, data presentation in described single-chip microcomputer.
6, the greenhouse environment control system that power line modem is housed as claimed in claim 1, it is characterized in that, described power line modem comprises the power line carrier chip, described power line carrier chip connects power supply processing circuit, reset circuit, the circuit that accepts filter, zero cross detection circuit, accept data by the described data transmission interface that is connected on the power line carrier chip, and output signal is to sending filtering circuit; Described transmission filtering circuit outputs signal to the line of electric force coupled circuit, and described line of electric force coupled circuit also sends a signal to the described circuit that accepts filter.
7, the greenhouse environment control system that power line modem is housed as claimed in claim 6 is characterized in that, described line of electric force power taking interface and described power output interface all are arranged on the described power supply processing circuit.
8, the greenhouse environment control system that power line modem is housed as claimed in claim 1, it is characterized in that, in the software of described monitoring host computer, comprise and be used for the top control module that uniform dispatching is handled all resources, carry out exchanges data between described top control module and subscriber interface module, system database, the communication interface module, described communication interface module is used to control power line modem and the collection in worksite control module is carried out exchanges data, the data supporting platform that described system database is whole monitoring software.
9, the greenhouse environment control system that power line modem is housed as claimed in claim 8 is characterized in that, is provided with the plurality of sub module in described top control module.
10, the greenhouse environment control system that power line modem is housed as claimed in claim 9, it is characterized in that described submodule comprises: specifically be provided with according to the demand of greenhouse the collection in worksite control module quantity, installation site, communication interface resource module totally is set; Be used for being provided with quantity, signal type, the parameter area of each collection in worksite sensor that control module connects, the input of calibration value system input information is provided with module; Be used for being provided with quantity, type, the method for operation of the adjusting device that each collection in worksite control module connected, the output of system's control output information is provided with module; Be used to set up the measurement data of concrete sensor and the control logic module of corresponding adjusting device interaction relation; For the user provides the state of environment, equipment, and to parameter transfinite, the user misoperation mistake produces the status alert module of reporting to the police; For the user provides data presentation mode intuitively, and the diagram rendering module and the data analysis module that data are carried out statistical study according to user's request; Can be used to the function expansion connection module that loads external function module or accept external data.
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| CNA2009100781325A CN101482751A (en) | 2009-02-17 | 2009-02-17 | Greenhouse environment control system equipped with power line modem |
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| CNA2009100781325A CN101482751A (en) | 2009-02-17 | 2009-02-17 | Greenhouse environment control system equipped with power line modem |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103891581A (en) * | 2014-04-16 | 2014-07-02 | 安徽艾瑞德农业装备发展有限公司 | Power line carrier remote control system of large electric sprinkling machine |
| CN104035755A (en) * | 2013-03-06 | 2014-09-10 | 中农先飞（北京）农业工程技术有限公司 | General development platform and development method for greenhouse remote intelligent control system |
| CN104571032A (en) * | 2014-12-26 | 2015-04-29 | 无锡清华信息科学与技术国家实验室物联网技术中心 | Intelligent greenhouse |
| CN104978850A (en) * | 2015-07-23 | 2015-10-14 | 柳州铁道职业技术学院 | Potential of hydrogen tester based on power line carrier communication |
| WO2015176537A1 (en) * | 2014-05-23 | 2015-11-26 | 余炳炎 | Control device applied to electrical apparatus in aquarium or garden pond |
| CN107037848A (en) * | 2017-06-15 | 2017-08-11 | 合肥讯邦网络科技有限公司 | A kind of intelligent domestic system based on Internet of Things |
| CN107065988A (en) * | 2017-03-24 | 2017-08-18 | 温州桑德拉花木苗科技有限公司 | A kind of tele-control system |
| CN110697541A (en) * | 2018-07-10 | 2020-01-17 | 广州广日电气设备有限公司 | Elevator cable following system |
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2009
- 2009-02-17 CN CNA2009100781325A patent/CN101482751A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035755A (en) * | 2013-03-06 | 2014-09-10 | 中农先飞（北京）农业工程技术有限公司 | General development platform and development method for greenhouse remote intelligent control system |
| CN103891581A (en) * | 2014-04-16 | 2014-07-02 | 安徽艾瑞德农业装备发展有限公司 | Power line carrier remote control system of large electric sprinkling machine |
| WO2015176537A1 (en) * | 2014-05-23 | 2015-11-26 | 余炳炎 | Control device applied to electrical apparatus in aquarium or garden pond |
| CN104571032A (en) * | 2014-12-26 | 2015-04-29 | 无锡清华信息科学与技术国家实验室物联网技术中心 | Intelligent greenhouse |
| CN104978850A (en) * | 2015-07-23 | 2015-10-14 | 柳州铁道职业技术学院 | Potential of hydrogen tester based on power line carrier communication |
| CN107065988A (en) * | 2017-03-24 | 2017-08-18 | 温州桑德拉花木苗科技有限公司 | A kind of tele-control system |
| CN107037848A (en) * | 2017-06-15 | 2017-08-11 | 合肥讯邦网络科技有限公司 | A kind of intelligent domestic system based on Internet of Things |
| CN110697541A (en) * | 2018-07-10 | 2020-01-17 | 广州广日电气设备有限公司 | Elevator cable following system |
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