CN202494915U - Greenhouse environment monitoring system - Google Patents

Greenhouse environment monitoring system Download PDF

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Publication number
CN202494915U
CN202494915U CN2012201084585U CN201220108458U CN202494915U CN 202494915 U CN202494915 U CN 202494915U CN 2012201084585 U CN2012201084585 U CN 2012201084585U CN 201220108458 U CN201220108458 U CN 201220108458U CN 202494915 U CN202494915 U CN 202494915U
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China
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greenhouse
circuit
sensor
bus
chip microcomputer
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Expired - Fee Related
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CN2012201084585U
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Chinese (zh)
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张永春
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Changzhou Institute of Technology
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Changzhou Institute of Technology
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The utility model discloses a greenhouse environment monitoring system which comprises a PC machine arranged in a monitoring center, a CAN bus, a CAN adapter card, greenhouse indoor and outdoor sensors which are arranged in greenhouses and out of the greenhouses, execution devices and lower computer modules. The greenhouse indoor and outdoor sensors comprise temperature sensors, humidity sensors and CO2 concentration sensors in and out of the greenhouses. Each execution device comprises a heating valve, a spray pump and a greenhouse window switching motor. The greenhouse indoor and outdoor sensors are electrically connected with the lower computer modules which are in bidirectional electric connection with the CAN bus. The PC machine is in bidirectional electric connection with the CAN bus through the CAN adapter card. Through the use of the greenhouse environment monitoring system, rapidness and accuracy of monitoring data transmission can be ensured, when an environment out of the greenhouses is suitable, a skylight window is opened in time so as to save energy and production cost, and at the same time, based on the CAN bus, the system has good system scalability.

Description

A kind of greenhouse surroundings monitoring system
Technical field
The utility model relates to the Status quo of Greenhouse Environment Control Technology field, is specifically related to the greenhouse surroundings monitoring system based on the CAN bus.
Background technology
China is agricultural production big country, and along with the fast development of electronic technology, China's agricultural production is from the intelligent direction development of mechanization to computer control.The application at computer control terminal makes the supervisory system of agricultural greenhouse environment rapidly to robotization and intelligent development.Adopt the intelligent monitoring terminal that greenhouse is monitored in real time in the agricultural production at present; General 485 order wires that adopt of remote transmission receive the interference of environment of living in easily, and the data that cause the computer control terminal to receive are inaccurate; Field control system imperfection, execute-in-place property are not strong.And existing greenhouse surroundings monitoring system does not generally possess the measuring ability to the greenhouse external environment.Thereby, when the more suitable crop growth of environment outside the greenhouse, but can not open roof ventilater timely and effectively, still adopt the environment in the manual control greenhouse, cause unnecessary waste of the energy and the unnecessary raising of production cost.
The utility model content
The purpose of the utility model is: solve that the inaccurate and external environment of prior art medium temperature chamber supervisory system data transmission under the external environment condition of severe is suitable but can not in time open the problem that energy dissipation and production cost raising are caused in the skylight, greenhouse; A kind of greenhouse surroundings monitoring system based on the CAN bus is provided; Can either guarantee data transmission fast, correctness, again can be in time open the skylight to save the energy and to save production cost when external environment is suitable in the greenhouse.
The technical scheme that realizes the utility model purpose is: a kind of greenhouse surroundings monitoring system comprises the PC of being located at Surveillance center, the slave computer module of being located at each greenhouse, greenhouse inner sensor and actuating unit; Described greenhouse inner sensor comprises indoor temperature transmitter, indoor humidity sensor and indoor CO 2Concentration sensor; Described actuating unit comprises heating valve and atomizing pump; Described greenhouse inner sensor, actuating unit are electrically connected with the slave computer module respectively, and its design feature is: also comprise CAN bus, CAN adapter, be located at the greenhouse outer sensor in each greenhouse; Described actuating unit also comprises greenhouse window switch motor; Described greenhouse outer sensor is electrically connected with the slave computer module; Described CAN bus is electrically connected with the slave computer module is two-way, and the CAN bus is electrically connected with PC is two-way through the CAN adapter.
Further scheme is: above-mentioned greenhouse outer sensor comprises outdoor temperature sensor, outside humidity sensor and outdoor intensity of illumination sensor.
Further scheme is: the slave computer module of stating comprises power circuit, single-chip microcomputer, MUX, driving circuit, watchdog circuit, LED display circuit, key circuit and warning circuit; Described power circuit is electrically connected with single-chip microcomputer; MUX is electrically connected with single-chip microcomputer is two-way; Driving circuit, watchdog circuit, LED display circuit, key circuit and warning circuit all are electrically connected with single-chip microcomputer.
The utlity model has positive effect: (1) employing has good communication speed, transmitting range is far away, reliability is high; The industrial-controlled general line CAN bus that anti-interference is high; Solve traditional greenhouse supervisory system inaccurate problem of data transmission under the external environment condition of severe, had good extendability simultaneously.(2) can be in real time and the environment outside the greenhouse do comparison, in time open the skylight during crop growth in the environment outside the greenhouse is fit to the greenhouse, stop artificial temperature, humidity dispatch control system, save the energy.(3) can monitor simultaneously the environment in a plurality of greenhouses, the on-site supervision system has warning function, and strong operability is easy to use, practices thrift handling cost.
Description of drawings
Fig. 1 is the circuit block diagram of the greenhouse surroundings monitoring system of the utility model.
Fig. 2 is the circuit block diagram of the slave computer module among Fig. 1.
Mark in the above-mentioned accompanying drawing is following:
PC 1, CAN adapter 2, CAN bus 3,
Slave computer module 4, power circuit 40, single-chip microcomputer 41, MUX 42, driving circuit 43, watchdog circuit 44, LED display circuit 45, key circuit 46, warning circuit 47,
Greenhouse inner sensor 5, indoor temperature transmitter 51, indoor humidity sensor 52, indoor CO 2Concentration sensor 53,
Greenhouse outer sensor 6, outdoor temperature sensor 61, outside humidity sensor 62, outdoor intensity of illumination sensor 63,
Actuating unit 7, heating valve 71, atomizing pump 72, greenhouse window switch motor 73.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
(embodiment 1)
As shown in Figure 1, the greenhouse surroundings monitoring system of present embodiment is made up of PC 1, CAN adapter 2CAN bus 3 and greenhouse monitoring performance element.Greenhouse monitoring performance element quantity is provided with according to actual needs, and each greenhouse monitoring performance element is made up of slave computer module 4, greenhouse inner sensor 5, greenhouse outer sensor 6 and actuating unit 7.
PC 1 is arranged on Surveillance center for being equipped with the conventional PC of double-core CPU.
Greenhouse inner sensor 5 comprises indoor temperature transmitter 51, indoor humidity sensor 52 and indoor CO 2Concentration sensor 53.Indoor temperature transmitter 51 is provided with the indoor temperature signal output part; Indoor humidity sensor 52 is provided with the indoor humidity signal output part; Indoor CO 2Concentration sensor 53 is provided with indoor carbon dioxide concentration signal output terminal.
Greenhouse outer sensor 6 comprises outdoor temperature sensor 61, outside humidity sensor 62 and outdoor intensity of illumination sensor 63.Outdoor temperature sensor 61 is provided with the outdoor temperature signal output part; Outside humidity sensor 62 is provided with the outside humidity signal output part; Outdoor intensity of illumination sensor 63 is provided with outdoor illuminance signal output part.
Actuating unit 7 comprises heating valve 71, atomizing pump 72 and greenhouse window switch motor 73.Heating valve 71, atomizing pump 72 and greenhouse window switch motor 73 are equipped with power end.
The indoor temperature transmitter 51 of greenhouse inner sensor 5, indoor humidity sensor 52, indoor CO 2Outdoor temperature sensor 61, outside humidity sensor 62, the outdoor intensity of illumination sensor 63 of concentration sensor 53 and greenhouse outer sensor 6 are electrically connected with the corresponding input port of slave computer module 4 respectively; Slave computer module 4 corresponding output ports are electrically connected respectively with the power end of the heating valve 71 of actuating unit 7, the power end of atomizing pump 72 and the power end of greenhouse window switch motor 73, and slave computer module 4 is through its CAN interface and CAN bus 3 two-way electrical connections; CAN bus 3 is through CAN adapter 2 and PC 1 two-way the electrical connection.
See Fig. 2, slave computer module 4 is made up of power circuit 40, single-chip microcomputer 41, MUX 42, driving circuit 43, watchdog circuit 44, LED display circuit 45, key circuit 46 warning circuits 47.
Single-chip microcomputer 41 is the single-chip microcomputers that have A/D conversion port and CAN interface.The CAN interface of single-chip microcomputer 41 is the CAN interface of slave computer module 4.Relevant application program is transported in its memory circuit that carries by the PORT COM of single-chip microcomputer 41.
Power circuit 40 is provided with slave computer modular power source output terminal and actuating unit power output end.Power circuit 40 is electrically connected with the power end of single-chip microcomputer 41 by the corresponding ports of its slave computer modular power source output terminal and for it working power is provided.
MUX 42 is 8 to select 1 data selector, has 8 input ends, 1 output terminal and 3 sheets choosing ends.The sheet choosing end of MUX 42 is electrically connected with 3 I/O ports of the sheet selected control system that the is set to signal output part of single-chip microcomputer 41.In 8 input ends of MUX 42 6 respectively with the indoor temperature signal output part of indoor temperature transmitter 51, the indoor humidity signal output part of indoor humidity sensor 52, indoor CO 2The outdoor illuminance signal output part of the outside humidity signal output part of the indoor carbon dioxide concentration signal output terminal of concentration sensor 53, the outdoor temperature signal output part of outdoor temperature sensor 61, outside humidity sensor 62 and outdoor intensity of illumination sensor 63 is electrically connected.The output terminal of MUX 42 is electrically connected with a corresponding A/D conversion port of single-chip microcomputer 41.
Driving circuit 43 has 3, and they are heating valve driving circuit, atomizing pump driving circuit and motor-drive circuit.Each driving circuit 43 is equipped with power end, control end and output terminal.The power end of each driving circuit 43 is electrically connected with a corresponding port of the actuating unit power output end of power circuit 40 respectively.The control end of each driving circuit 43 is electrically connected with each corresponding I/O port that is set to the drive control signal output terminal of single-chip microcomputer 41.The output terminal of the heating valve driving circuit of driving circuit 43 is electrically connected with the power end of the heating valve 71 of actuating unit 7 as an output port of slave computer module 4; The output terminal of the atomizing pump driving circuit of driving circuit 43 is electrically connected with the power end of atomizing pump 72 as an output port of slave computer module 4; The output terminal of the motor-drive circuit of driving circuit 43 is electrically connected with the power end of greenhouse window switch motor 73 as an output port of slave computer module 4.
Watchdog circuit 44 is electrically connected with an I/O port that is set to the WDT output terminal of single-chip microcomputer 41 by its input end, and watchdog circuit 44 is electrically connected by the reset terminal of its output terminal with single-chip microcomputer 41.
LED display circuit 45 is provided with power end, FPDP and control port.The power end of LED display circuit 45 is electrically connected with the corresponding ports of the slave computer modular power source output terminal of power circuit 40; LED display circuit 45 FPDPs are electrically connected with corresponding each I/O port that is set to display port of single-chip microcomputer 41; The control port of LED display circuit 45 is electrically connected with the control corresponding bus port of single-chip microcomputer 41.
Key circuit 46 is provided with each port of power end and output terminal.Key circuit 46 is electrically connected by the corresponding ports of its power end with the slave computer modular power source output terminal of power circuit 40; Key circuit 46 is electrically connected with the corresponding I/O port that is set to keyboard port of single-chip microcomputer 41 by each port of its output terminal.
Warning circuit 49 is provided with power end and control end.Warning circuit 49 is electrically connected by the corresponding ports of its power end with the slave computer modular power source output terminal of power circuit 40; Warning circuit 49 is electrically connected with the I/O port that is set to alarm signal output ends of single-chip microcomputer 41 by its control end.
In the greenhouse surroundings monitoring system of present embodiment; PC 1 is mainly used in the data of single-chip microcomputer 41 transmission that receive slave computer module 4 and the various image data of greenhouse every day are handled and write down to data, simultaneously to the single-chip microcomputer 41 transmission steering orders of slave computer module 4.
The single-chip microcomputer 41 of slave computer module 4 data from MUX 42.MUX 42 in the control of the chip selection signal of single-chip microcomputer 41 down, the simulating signal that each sensor of the greenhouse of circulation reception in real time inner sensor 5 and each sensor of greenhouse inner sensor 6 are gathered, and flow to single-chip microcomputer 41 and handle.After each analog signal conversion that single-chip microcomputer 41 will receive earlier becomes digital signal; Compare by this digital signal and pre-set threshold; Greater than the upper limit threshold that sets or when being lower than the lower threshold that sets, then export the corresponding driving circuit 43 of control signal corresponding to slave computer module 4 at the numerical value of resulting signal.43 of this driving circuits are according to 7 actions of the actuating unit in the instruction control greenhouse of single-chip microcomputer 41; The unlatching of the heating valve 71 in the actuating unit 7 or close the height that is used for controlling temperature in the greenhouse; The open and close of atomizing pump 72 are used to change the humidity in the greenhouse, the unlatching in skylight, window switch motor 73 control greenhouse, greenhouse or close.LED display circuit 45 and key circuit 46 are used for the field monitor control device of providing convenience to the user, and the user can go up temperature displayed, humidity and CO according to LED 2Concentration value, use key circuit 46 to carry out the manual adjustment setting, completion is set after, driving circuit 43 can be realized regulating greenhouse according to 7 actions of setting value control actuating unit.Watchdog circuit 44 is used for anti-locking system in use, and like the system crash that fortuitous events such as electrostatic interference cause, restarting systems immediately when guaranteeing that fortuitous event takes place guarantees slave computer module operate as normal.Warning circuit 47 is to go wrong when greenhouse, surpasses police circles' value of setting, sends alarm sound, reminds the user that indoor environment is made emergent management.
The course of work of the greenhouse surroundings monitoring system of present embodiment is following: at first the outdoor sensor 6 in each greenhouse can send outdoor temperature, humidity and the intensity of illumination signal gathered to single-chip microcomputer through MUX 42, and the interior sensor 2 in each greenhouse can be with the indoor temperature that collects, humidity and CO 2Concentration signal sends single-chip microcomputer 41 to through MUX 42; After each signal Processing that single-chip microcomputer 41 will receive is judged; Show through LED display circuit 45, and carry out data analysis and processing through the PC 1 that CAN adapter 2 sends Surveillance center to again through its CAN interface and CAN bus 3, the user is according to the demonstration on the PC; Each greenhouse is sent various instructions; This instruction is transferred to the single-chip microcomputer 41 of corresponding slave computer module 4 through CAN bus 3, and the single-chip microcomputer 41 of slave computer module 4 can be according to the instruction that receives, through corresponding actuating unit 7 actions of driving circuit 43 controls; Realization reaches the setting requirement of each greenhouse of user's setting to the adjusting of greenhouse.Certainly the user can also carry out field control to greenhouse, according to inside and outside humiture and the CO in greenhouse that shows on the LED display circuit 45 2Concentration value, use key circuit 46 to carry out the manual adjustment setting, completion is set after, driving circuit 43 can be made corresponding action according to setting value control actuating unit 7.When greenhouse goes wrong the police circles that surpass to set when being worth, the warning circuit 47 of slave computer module 4 can send alarm sound, reminds the user that environment in the greenhouse is made emergent management.
In the present embodiment, the model that the general wound in CAN adapter 2 preferred Shanghai Electronics Equipment Co., Ltd produces is a CANUSB-II double-path intelligent CAN interface card.The model of the preferred SILICON LABS of single-chip microcomputer 41 company is the C8051F047 single-chip microcomputer.Indoor temperature transmitter 51 and all preferred RTD Pt100 of outdoor temperature sensor 61.It is the sensor of HTG3515CH that indoor humidity sensor 52 is united the Electronics Co., Ltd.'s production model of rising with all preferred Shenzhen of outside humidity sensor 62.The model that the preferred Shenzhen of outdoor intensity of illumination sensor 63 Pu De Photoelectron Corp. produces is the silicon photocell of SFH206.Indoor CO 2The model that concentration sensor 53 preferred Zhengzhou Wei Sheng Electronic Technology Co., Ltd produce is the sensor of MH-711A.The preferred model of MUX be 74151 8 select 1 data selector.
In sum, the greenhouse surroundings monitoring system of present embodiment, employing has good communication speed, transmitting range is far away, reliability is high; The industrial-controlled general line CAN bus that anti-interference is high has solved traditional greenhouse supervisory system and has utilized 485 order wires inaccurate problem of data transmission under the external environment condition of severe, and can do comparison with the environment outside the greenhouse; In time open the skylight, reach the effect of saving the energy, and field control system perfect, strong operability is provided for the user; Also has warning function; And a plurality of greenhouses are monitored simultaneously, real-time is high, data are accurate, system is clear, easy realization, and good prospects for application is arranged.
Above embodiment is the explanation to the embodiment of the utility model; But not to the restriction of the utility model; The technician in relevant technologies field is under the situation of spirit that does not break away from the utility model and scope; Can also make various conversion and variation and obtain the corresponding technical scheme that is equal to, so all technical schemes that are equal to all should be included into the scope of patent protection of the utility model.

Claims (3)

1. a greenhouse surroundings monitoring system comprises the PC (1) of being located at Surveillance center, the slave computer module (4) of being located at each greenhouse, greenhouse inner sensor (5) and actuating unit (7); Described greenhouse inner sensor (5) comprises indoor temperature transmitter (51), indoor humidity sensor (52) and indoor CO 2Concentration sensor (53); Described actuating unit (7) comprises heating valve (71) and atomizing pump (72); Described greenhouse inner sensor (5), actuating unit (7) are electrically connected with slave computer module (4) respectively, it is characterized in that: also comprise CAN bus (3), CAN adapter (2), be located at the greenhouse outer sensor (6) in each greenhouse; Described actuating unit (7) also comprises greenhouse window switch motor (73); Described greenhouse outer sensor (6) is electrically connected with slave computer module (4); Described CAN bus (3) and two-way electrical connection of slave computer module (4), CAN bus (5) is through CAN adapter (2) and two-way electrical connection of PC (1).
2. greenhouse surroundings monitoring system according to claim 1 is characterized in that: described greenhouse outer sensor (6) comprises outdoor temperature sensor (61), outside humidity sensor (62) and outdoor intensity of illumination sensor (63).
3. greenhouse surroundings monitoring system according to claim 1 and 2 is characterized in that: described slave computer module (4) comprises power circuit (40), single-chip microcomputer (41), MUX (42), driving circuit (43), watchdog circuit (44), LED display circuit (45), key circuit (46) and warning circuit (47); Described power circuit (40) is electrically connected with single-chip microcomputer (41); MUX (42) and two-way electrical connection of single-chip microcomputer (41); Driving circuit (43), watchdog circuit (44), LED display circuit (45), key circuit (46) and warning circuit (47) all are electrically connected with single-chip microcomputer (41).
CN2012201084585U 2012-03-21 2012-03-21 Greenhouse environment monitoring system Expired - Fee Related CN202494915U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104406276A (en) * 2014-12-12 2015-03-11 常熟市兴华机电设备安装工程有限责任公司 Intelligent control system of central air conditioner
CN105910655A (en) * 2016-06-30 2016-08-31 金中朝 Collecting and monitoring system for environment data based on CAN bus
CN106226469A (en) * 2016-07-07 2016-12-14 钟林超 A kind of warmhouse booth gas detecting display device
CN107479597A (en) * 2017-07-18 2017-12-15 深圳爱贝蕊恩国际健康管理有限公司 A kind of neonate's indoor environment center management system
CN108388291A (en) * 2018-01-17 2018-08-10 中国农业大学 A kind of greenhouse cluster environment regulation and control method and system
CN109738593A (en) * 2019-03-01 2019-05-10 杭州北芯传感科技有限公司 Multiple sensor controlable electric current and VOC gas sensor aging device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104406276A (en) * 2014-12-12 2015-03-11 常熟市兴华机电设备安装工程有限责任公司 Intelligent control system of central air conditioner
CN105910655A (en) * 2016-06-30 2016-08-31 金中朝 Collecting and monitoring system for environment data based on CAN bus
CN106226469A (en) * 2016-07-07 2016-12-14 钟林超 A kind of warmhouse booth gas detecting display device
CN106226469B (en) * 2016-07-07 2018-06-15 江苏吉华电子科技有限公司 A kind of greenhouse gas detects display device
CN107479597A (en) * 2017-07-18 2017-12-15 深圳爱贝蕊恩国际健康管理有限公司 A kind of neonate's indoor environment center management system
CN108388291A (en) * 2018-01-17 2018-08-10 中国农业大学 A kind of greenhouse cluster environment regulation and control method and system
CN109738593A (en) * 2019-03-01 2019-05-10 杭州北芯传感科技有限公司 Multiple sensor controlable electric current and VOC gas sensor aging device

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Granted publication date: 20121017

Termination date: 20150321

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