CN2696306Y - IP mode based greenhouse environmental factor test system - Google Patents
IP mode based greenhouse environmental factor test system Download PDFInfo
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- CN2696306Y CN2696306Y CNU2003201191268U CN200320119126U CN2696306Y CN 2696306 Y CN2696306 Y CN 2696306Y CN U2003201191268 U CNU2003201191268 U CN U2003201191268U CN 200320119126 U CN200320119126 U CN 200320119126U CN 2696306 Y CN2696306 Y CN 2696306Y
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The utility model discloses an IP mode based greenhouse environmental factor test system, which is formed by the interconnection of an environment factor sensing module, a IP sensor, an intelligent network test device module, a power module and a field supervision microcomputer. Of which, the environment factor sensing module and the intelligent network test device module are in electric connection through signal wires. The power module and the environment factor sensing module, the IPsensor, the intelligent network test device module are in electric connection respectively. The IPsensor and the intelligent network test device module are respectively in electric connection with the field supervision microcomputer through ethernet switch or collecting tray. With convenient and correct data transfer and high measuring accuracy of glasshouse factor of the utility model, the data communication and join monolithically of the message management layer and the field layer can be effectively realized, and multi-metering and mutual interchanging and remote collecting of the data of the measuring points can also be realized easily, so that the using range is wider.
Description
Technical field
The utility model relates to greenhouse test macro technical field, specifically is meant a kind of greenhouse environment factor test macro based on the IP pattern.
Background technology
The intelligent greenhouse system is a kind of resource-conserving high-efficiency agriculture Development Technology that progressively grows up in recent years, and it is on the basis of common greenhouse by solar heat, grows up in conjunction with high-tech means such as the modern computer communication technology, intelligent sensing technology.Development along with modern agriculture production, various embedded intelligence sensors, intelligence instrument and intelligent transducer in the agriculture in greenhouse production process are just presenting more and more tangible distributed development trend, the greenhouse test macro can not be confined to the data acquisition process on a certain test point again, and requirement can realize multimetering and realize mutual exchange, the remote data acquisition of data between each measurement point and focus on.
In order to satisfy this needs that on a large scale control point, greenhouse carried out multimetering and remote collection, a lot of greenhouse testing arrangements based on the RS485 industrial bus are arranged in the market, but because 485 buses adopt the analog signal transmission mode of 4～20mA, this method precision is low, anti-interference is poor, transmission range is limited, is difficult to satisfy the needs of modern greenhouse remote testing.Except adopting 485 buses to carry out the transfer of data, adopt other greenhouse test macros in addition on the market based on the Fieldbus Control network.But because the communication standard of fieldbus differs, the testing equipment of each manufacturer is difficult in different field bus control systems compatible.
Summary of the invention
The purpose of this utility model is exactly in order to solve the deficiencies in the prior art part, provides a kind of based on the data communication with high transmission rates, high reliability, low cost, realization management level and field layer of IP pattern and the greenhouse environment factor test macro of seamless link.
A kind of greenhouse environment factor test macro described in the utility model based on the IP pattern, be achieved through the following technical solutions: this system is by the envirment factor sensing module, the IP sensor, intelligent network testing arrangement module, power module and on-site supervision microcomputer interconnect composition, wherein, the envirment factor sensing module is electrically connected with intelligent network testing arrangement module mutually by holding wire, power module respectively with the envirment factor sensing module, the IP sensor, intelligent network testing arrangement module is electrically connected mutually, the IP sensor, intelligent network testing arrangement module is electrically connected with the on-site supervision microcomputer respectively mutually by Ethernet switch or hub.
In order to realize the utility model better, described envirment factor sensing module is electrically connected mutually by warm and humid sensing submodule and carbon dioxide sensing submodule and forms, and warm and humid sensing submodule, carbon dioxide sensing submodule also are electrically connected with intelligent network testing arrangement module respectively mutually; Described intelligent network testing arrangement module comprises button input and display module, signal processing module, ethernet communication module, and button input and display module, ethernet communication module are electrically connected with signal processing module mutually by holding wire respectively; Described power module provides 5V out-put supply for each modular circuit.
In recent years because the develop rapidly of ethernet technology, the appearance of Ethernet switch begins to have solved " uncertainty " problem revolutionaryly, the thorough solution of " uncertainty " problem has been cleared away Ethernet and has been applied to the obstacle that the demanding field level of real-time is controlled network, compare with fieldbus network, Ethernet based on the TCP/IP network technology has powerful communication performance and cheap integrated cost, Ethernet is applied in the modern greenhouse test macro, can effectively realize the data communication and the seamless link of management level and field layer, networking is convenient, and cost is cheap.
Operation principle based on the greenhouse environment factor novel test system of IP pattern is: after the intelligent network testing arrangement works on power, the on off state of each acquisition channel of testing arrangement can be set by keyboard operation.After setting is finished, intelligent test device begins operate as normal, the size of humidity, temperature, gas concentration lwevel in the real-time testing environment of envirment factor sensing module, detected each parameter values in-situ digitalization, frequencyization, be converted into the correspondent frequency signal, and handle via the single-chip microcomputer submodule that the multichannel input/output module is sent in the signal processing module.Single-chip microcomputer adopts the frequency measurement and cycle measurement mode to record the frequency size, can draw the actual numerical value of envirment factor after the data that collect are handled accordingly, these measurement data are sent to the LCD display sub-module carry out the real time data demonstration, be sent to the ethernet communication module by RS-232 simultaneously, numerical value to envirment factor carries out the tcp data packing, then it is sent to on-the-spot test microcomputer by Ethernet.The control microcomputer of test center is to the dynamic figure that moves towards of the record measurement data of each measurement point, and handles in real time.
The utility model compared with prior art has following advantage and beneficial effect:
The utility model adopt instrument integrated with the integrated many sensings integration mode that combines of network, can carry out the concentrated measurement of envirment factor by unit, can carry out on a large scale again, telemeasurement and control.
2. the sensing element of the utility model sensing module adopts the mode of in-situ digitalization, frequencyization, compares with traditional access way (as RS-232, RS-485 etc.) to have the characteristics simple, that antijamming capability is strong, cost is low that insert.
3. the utility model adopts the integrated high-precision frequency measurement method of frequency measurement and cycle measurement of the two separations of software synchronization, has improved frequency-measurement accuracy greatly.
4. the Ethernet mode based on TCP/IP has been adopted in network service of the present utility model, can effectively realize the data communication and the seamless link of management level and field layer, and transfer of data is reliable, and networking is convenient, and cost is cheap than other bus mode;
5. the utility model can satisfy the test request of the networking of versatility based on the general-utility test platform friendly interface characteristics directly perceived, easy to use of Depli instrument and TCP/IP multi-thread programming technology.
Description of drawings
Fig. 1 is a block diagram of the present utility model;
Fig. 2 is the block diagram of the utility model intelligent network testing arrangement module;
Fig. 3 is the workflow diagram of the utility model intelligent network testing arrangement module;
Fig. 4 is the circuit theory diagrams of warm and humid sensing submodule in the utility model envirment factor sensing module;
Fig. 5 is the circuit theory diagrams of carbon dioxide sensing submodule in the utility model envirment factor sensing module;
Fig. 6 is the circuit theory diagrams of button input and display module in the utility model intelligent network testing arrangement module;
Fig. 7 is the circuit theory diagrams of signal processing module in the utility model intelligent network testing arrangement module;
Fig. 8 is the circuit theory diagrams of ethernet communication module in the utility model intelligent network testing arrangement module;
Fig. 9 is the TCP/IP multithreading correspondence figure of distributed testing platform in the utility model field monitoring microcomputer;
Figure 10 is that the parameter of distributed software monitor terminal in the utility model field monitoring microcomputer dynamically shows schematic diagram;
Figure 11 is that the parameter of distributed software monitor terminal in the utility model field monitoring microcomputer is dynamically moved towards schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.But embodiment of the present utility model is not limited to this.
As shown in Figure 1, the utility model is interconnected by envirment factor sensing module, IP sensor, intelligent network testing arrangement module, power module and on-site supervision microcomputer to be formed, wherein, the envirment factor sensing module is electrically connected with intelligent network testing arrangement module mutually by holding wire, power module is electrically connected mutually with envirment factor sensing module, IP sensor, intelligent network testing arrangement module respectively, and IP sensor, intelligent network testing arrangement module are electrically connected with the on-site supervision microcomputer respectively mutually by Ethernet switch or hub.The envirment factor sensing module adopts the mode of in-situ digitalization, frequencyization that the analog-signal transitions of sensing element is become frequency signal, and is electrically connected with intelligent network testing arrangement module; Power module then directly is connected with each big hardware module, for each big module provides+5V voltage.The IP sensor is some general purpose transducers (for example DS1621 temperature IP sensor) that have Ethernet interface, adopt ICP/IP protocol to communicate, and can directly connect Ethernet, can become the new part of monitoring platform rapidly by simple configuration.
As shown in Figure 2, in the intelligent network testing arrangement module, button input and display module, ethernet communication module all are electrically connected mutually with signal processing module.
As shown in Figure 3, the work main program of intelligent network testing arrangement module is mainly finished system initialization, startup self-detection, each input channel is carried out signals collecting, carries out data then and handles, and bound is judged, dynamic self-checking, tasks such as result's demonstration and ethernet communication.Wherein, startup self-detection comprises that mainly LCD display sub-module, external RAM, EEPROM detect.
Shown in Figure 4 and 5, the envirment factor sensing module is electrically connected mutually by warm and humid sensing submodule and carbon dioxide sensing submodule and forms, the multi-resonant oscillating circuit that warm and humid sensing submodule is made of two 555 timers is converted into the two-way frequency signal to the resistance R H of dew cell with the variation of humidity and the resistance RT of thermistor with variation of temperature respectively; Because CO2 is not that concentration changes with change in resistance, and is different with the damp-warm syndrome device, so need earlier transducing signal to be become data signal through amplifying, filter, intercept, amplify again by the A/D conversion, transfer frequency signal at last to; Final all frequency signals carry out photoelectricity by photoelectric coupled device respectively and isolate and channel selecting the input signal processing module.
As shown in Figure 6, in the intelligent network testing arrangement module, button input and display module mainly are made up of 4 parts such as keyboard, LCD display, lcd controller and display-memories, lcd controller is the control maincenter of display system, it receives the control command that microcomputer is sent here, order is analyzed, and each several part is collaborative in the control display system finishes this order.Present embodiment is selected the G12864 LCD of Truly company for use, built-in two HD61202 drivers, G12864 LCD and single-chip microcomputer adopt the connection of indirect interface, by the I/O mouth of six P1 control line as liquid crystal, the I/O mouth that this method takies is more, but speed is fast, programming is simpler.The button input mainly provides the scene of systematic parameter that function is set, and keyboard has four individual function buttons, adds a reset key.The stand alone type button is meant and directly constitutes single key circuit with I/O mouth line, and each free-standing button need take an I/O line separately, and the button duty on every I/O mouth line can not influence the duty of other mouthful line.I/O mouth resource-constrained because of single-chip microcomputer, so expansion a slice 74LS244 is as the input port of switching value and 4 buttons, press low 4 of keyed jointing 74LS244 input, all buttons are connected to nor gate (74LS260), or receive the external interrupt mouth INT1 of single-chip microcomputer after non-for 4.Which key like this, if arbitrary button is pressed, just fracture INT1 produces low level in can be externally, thereby enters interrupt routine, be by inquiry with what determine to press again.
As shown in Figure 7, in the intelligent network testing arrangement module, signal processing module is core with the microprocessor, mainly finishes A/D conversion, Digital Signal Processing (as digital filtering, nonlinear compensation, self diagnosis) and data output scheduling (selecting remote data output or local output etc.).Consider that from characteristics such as intelligence sensor high reliability, low-power consumption, microbody amass select the W78E58 single-chip microcomputer of Winbond company for use, signal processing module has also comprised an AT24C64 serial EEPROM chip and the outer data storage 6264 of sheet.
As shown in Figure 8, in the intelligent network testing arrangement module, the ethernet communication module is used for realizing the teletransmission of local data and receiving remote control command etc.Here, what we adopted is widely used ICP/IP protocol on PC, and ICP/IP protocol has opening, low cost, high-speed, characteristics such as high reliability, and networking is convenient.The mode that realizes network interface generally has two kinds: software mode and hardware mode.Software mode is that the developer is embedded into ICP/IP protocol in the specific chip, and the advantage of this method is that cost is low, but realizes trouble; Hardware mode is the chip that direct use has embedded ICP/IP protocol, use these chip operations simple, easy to use, but cost is too high.Take all factors into consideration the convenience of realization and the cost problem of equipment, what the ethernet communication module of present embodiment adopted is mode soft, combination of hardware, promptly ICP/IP protocol is written in the single-chip microcomputer, with the network interface card of MCU driving 8029 chips, with chip microcontroller is the ICP/IP protocol of simplifying.This ethernet communication module has adopted the W78E58 single-chip microcomputer of Winbond company, pci bus interface is realized by CPLD chip EPM7128, communication controler then adopts 8029 chip PCI network interface cards, and the serial EEPROM chip adopts AT24C64, and the outer data storage of sheet adopts 6264.Wherein, single-chip microcomputer is responsible for the data encapsulation of receiving from serial ports is become the IP bag, is sent to Ethernet interface 8029 chips through pci bus, is forwarded to on-the-spot Ethernet again.CPLD chip EPM7128 mainly is the role who serves as the information transfer, makes single-chip microcomputer to carry out communication with the RTL8029 Ethernet card of pci bus.Communication controler RTL8029 Ethernet card is the core that the TCP/IP interface module constitutes, it is the path that main frame is connected with network, it is bearing the main task of network node control work, is responsible for the management of transmission medium and the hardware environment of link layer specifications is provided.The outer data storage 6264 of sheet is responsible for the ephemeral data in the storage program operation process.Serial EEPROM chip AT24C64 is used for saved system parameter is set, as this machine IP address, gateway address etc.
As shown in Figure 9, distributed software system has comprised communication kernel module and monitor terminal module, and the monitor terminal module is set up communication, uniform dispatching by the communication kernel module.Described software systems adopt Dephi instrument and TCP/IP multi-thread programming technology to come developing kernel module and terminal monitoring module.Distributed software adopts Dephi6.0 as development platform, the network function of real-time kernel module is to be realized by the Socket assembly that Dephi6.0 carries, and the Socket socket is used for realizing the connection based on stream reliable, two-way, point-to-point between the different application of various computing machine on the TCP/IP network or same computer.The initialization of the operation of the main thread process user in the model, the renewal of graphical interfaces, software and the foundation and the management of server thread, server thread is monitored connection, is set up independently communication thread for each connection request, and the practical communication that each communication thread is responsible for himself connecting is handled.The operation of certain thread with suspend the operation can't have influence on other threads, cross-thread is by message and some shared variable exchange message.
After receiving the data that remote test device sends, this software will on main interface, dynamically show 8 of remote-control device measure the channel measurement numerical value with and on off state as shown in figure 10.When remote test device transmits certain channel data, if the measurement result of respective channel shows that system normally moves, the simulation indicator lamp display high-brightness green of respective channel in the bound scope that is provided with, if measurement result surpasses the warning upper lower limit value, the simulation indicator lamp look that will redden is reported to the police.Simultaneously in order to reflect the motion trend of greenhouse environment factor parameter, monitor terminal also provides the dynamic figure of trend of parameter, Figure 11 for example, record be the dynamic figure of trend of temperature, monitor terminal not only can be monitored parameters can also the predicted motion trend.
As mentioned above, can realize the utility model preferably.
Claims (3)
1. based on the greenhouse environment factor test macro of IP pattern, it is characterized in that, it is by the envirment factor sensing module, the IP sensor, intelligent network testing arrangement module, power module and on-site supervision microcomputer interconnect composition, wherein, the envirment factor sensing module is electrically connected with intelligent network testing arrangement module mutually by holding wire, power module respectively with the envirment factor sensing module, the IP sensor, intelligent network testing arrangement module is electrically connected mutually, the IP sensor, intelligent network testing arrangement module is electrically connected with the on-site supervision microcomputer respectively mutually by Ethernet switch or hub.
2. the greenhouse environment factor test macro based on the IP pattern according to claim 1, it is characterized in that, described envirment factor sensing module is electrically connected mutually by warm and humid sensing submodule and carbon dioxide sensing submodule and forms, and warm and humid sensing submodule, carbon dioxide sensing submodule also are electrically connected with intelligent network testing arrangement module respectively mutually.
3. the greenhouse environment factor test macro based on the IP pattern according to claim 1, it is characterized in that, described intelligent network testing arrangement module comprises button input and display module, signal processing module, ethernet communication module, and button input and display module, ethernet communication module are electrically connected with signal processing module mutually by holding wire respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201191268U CN2696306Y (en) | 2003-12-12 | 2003-12-12 | IP mode based greenhouse environmental factor test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201191268U CN2696306Y (en) | 2003-12-12 | 2003-12-12 | IP mode based greenhouse environmental factor test system |
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| Publication Number | Publication Date |
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| CN2696306Y true CN2696306Y (en) | 2005-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2003201191268U Expired - Fee Related CN2696306Y (en) | 2003-12-12 | 2003-12-12 | IP mode based greenhouse environmental factor test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3036578A1 (en) * | 2015-06-01 | 2016-12-02 | Julien Sylvestre | MULTI-GREENHOUSE MANAGEMENT SYSTEM |
| CN112230697A (en) * | 2020-10-19 | 2021-01-15 | 广州市企德友诚美信息技术开发有限公司 | Agricultural monitoring device based on internet |
-
2003
- 2003-12-12 CN CNU2003201191268U patent/CN2696306Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3036578A1 (en) * | 2015-06-01 | 2016-12-02 | Julien Sylvestre | MULTI-GREENHOUSE MANAGEMENT SYSTEM |
| CN112230697A (en) * | 2020-10-19 | 2021-01-15 | 广州市企德友诚美信息技术开发有限公司 | Agricultural monitoring device based on internet |
| CN112230697B (en) * | 2020-10-19 | 2021-06-11 | 广州市企德友诚美信息技术开发有限公司 | Agricultural monitoring device based on internet |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |