CN106989777A - A kind of long-range cattle farm environmental monitoring system and method - Google Patents
A kind of long-range cattle farm environmental monitoring system and method Download PDFInfo
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- CN106989777A CN106989777A CN201710323116.2A CN201710323116A CN106989777A CN 106989777 A CN106989777 A CN 106989777A CN 201710323116 A CN201710323116 A CN 201710323116A CN 106989777 A CN106989777 A CN 106989777A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
A kind of long-range cattle farm environmental monitoring system and method that the present invention is provided, the system at least include：Two data radio stations and host computer；By setting data radio station in cattle farm and Office Area respectively, enable ambient parameter acquisition module obtain ambient parameter by data radio station in real time and reliably transmit to host computer, and then shown and stored in host computer, reduce the cost of long-range cattle farm environmental monitoring system, and the monitoring system is particularly suitable for the remote and complicated environment occasion in the area such as field and suburb, the ambient parameter that cattle farm manager can be made to be obtained according to remote environment-monitoring system takes corresponding measure, and then improves the single rate of milk cow.
Description
Technical field
The present invention relates to monitoring system field, more particularly, to a kind of long-range cattle farm environmental monitoring system and method.
Background technology
The output of milk of milk cow is not only influenceed by inherent cause, physiologic factor, feeding management factor, to a certain extent also
Influenceed by local environment factor during Lactation of Dairy Cow.There are some researches show environmental factor is accounted in the productivity influence factor of milk cow
To 30-40%, therefore milk cow growing environment is studied, real-time collection analysis is carried out to environmental data, and then instruct cattle farm to manage
Reason person carries out regulation and control to environment so as to which the productivity for improving milk cow is significantly.
At present, the environment at cattle farm scene can transfer data to host computer by various sensors for data, lead to
Related software design human-computer interaction interface is crossed to realize.The mode of cattle farm environmental data transmission has a lot, most commonly has
Line is connected up, and actual implementation process is relatively difficult particularly to lay at a distance, costly, long construction period, unsuitable regular maintenance.Milk
Wireless transmission method in the environmental data transmission of cattle farm has several, and conventional has：ZigBee technology, it is to be based on
The low-power consumption LAN protocol of IEEE802.15.4 standards, ZigBee technology is a kind of short distance, low complex degree, self-organizing, low
The wireless communication technology of power consumption, low data rate；Wi-Fi, it is that a kind of permission electronic equipment based on IEEE 802.11 is connected
It is actually wired network usually using 2.4G or 5G ISM radio frequency bands to the technology of a WLAN (WLAN)
Network signal is converted into wireless signal；Bluetooth bluetooths, it is that one kind is based on IEEE802.15.1 wireless technology standards, can be real
Existing short-range data between fixing equipment, mobile device and building personal area network is exchanged, and uses 2.4-2.485GHz ISM
The UHF radio waves of wave band, it includes classical bluetooth, High Speed Bluetooth and Bluetooth Low Energy agreement, and High Speed Bluetooth is based on Wi-Fi；
Wherein, classical bluetooth then includes old Bluetooth protocol, 3/24Mbps.
But, the informationization technology of existing cattle farm environmental monitoring system need to be improved, particularly to being distributed in open country
The remote and complicated environment cattle farm in the area such as outer or suburb, its environmental monitoring system is in data transmission efficiency and accuracy rate side
Face is not ideal.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of long-range cattle farm environmental monitoring system and method.
In a first aspect, the present invention provides a kind of remote environment-monitoring system, at least include：Two data radio stations and upper
Machine；Two data radio stations are separately positioned on cattle farm and Office Area, are arranged on the first data radio station ring of the cattle farm
Border parameter collection module is connected, be arranged on the second data radio station of Office Area respectively with first data radio station and described upper
Machine is connected；The host computer is used for the cattle farm ambient parameter for showing and storing the second data radio station transmission.
Wherein, the ambient parameter acquisition module includes：At least one Temperature Humidity Sensor and analog quantity acquiring device；It is described
Temperature Humidity Sensor is arranged in the cattle farm, and is connected with the analog quantity acquiring device, for gathering in the cattle farm
Temperature signal and moisture signal；The analog quantity acquiring device respectively with the Temperature Humidity Sensor and first data radio station
It is connected, temperature signal and moisture signal for Temperature Humidity Sensor to be gathered are converted into data signal, and the numeral is believed
Number transmit to first data radio station.
Wherein, the ambient parameter acquisition module also includes：Carbon dioxide sensor, ammonia gas sensor, hydrogen sulfide sensing
Device and SO 2 sensor；The carbon dioxide sensor, the ammonia gas sensor, the hydrogen sulfide sensor and described two
Oxidation sulfer sensor is connected with the analog quantity acquiring device.
The analog quantity acquiring device using Shielded Twisted Pair and the Temperature Humidity Sensor, the carbon dioxide sensor,
The ammonia gas sensor, the hydrogen sulfide sensor and the SO 2 sensor are connected, and in the analog quantity acquiring device
Signal sampling channel on nonpolarity ceramic disc capacitor in parallel.
Wherein, the Surveillance center in the host computer is communicated using master-slave mode half-duplex operation mode with monitor terminal；Institute
State Surveillance center with second data radio station to be connected, the ambient parameter for active inquiry cattle farm；The monitor terminal is used
In the cattle farm ambient parameter for showing and storing the second data radio station transmission.
Wherein, the data radio station uses GE MDS SD2 type data radio stations；The analog quantity acquiring device uses 8 passage moulds
Analog quantity input module UT-5508；The Temperature Humidity Sensor uses QFA3171 type sensors.
Wherein, the carbon dioxide sensor uses the MOT300-CO based on infrared detection technology2- IR types are wireless gas
Sensor；The ammonia gas sensor uses the MOT300-NH based on Electrochemical Detection principle3Type sensor；The hydrogen sulfide is passed
Sensor uses the MOT300-H based on Electrochemical Detection principle2S type sensors；And the SO 2 sensor is used and is based on
The MOT300-SO of Electrochemical Detection principle2Type sensor.
Second aspect, the present invention provides a kind of long-range cattle farm method of environmental monitoring, including：S1, translates into digital letter
Number ambient parameter be delivered to the first data radio station of cattle farm；S2, by first data radio station by the data signal
Ambient parameter transmit to the second data radio station of Office Area；S3, second data radio station is by the environment of the data signal
Parameter is delivered to host computer and is shown and stored.
Wherein, methods described also includes the ambient parameter for obtaining cattle farm, and the ambient parameter is converted into digital letter
Number ambient parameter.
Wherein, the ambient parameter by the data signal in the S3 is delivered to host computer progress display and included：With number
Value, curve or graph mode are shown in host computer.
A kind of long-range cattle farm environmental monitoring system and method that the present invention is provided, by respectively in cattle farm and Office Area
Setting data radio station so that the ambient parameter that ambient parameter acquisition module is obtained can in real time and reliably be passed by data radio station
Host computer is transported to, and then is shown and is stored in host computer, the cost of long-range cattle farm environmental monitoring system is reduced, and
The monitoring system is particularly suitable for the remote and complicated environment occasion in the area such as field and suburb, so that cattle farm manager can be with
The ambient parameter obtained according to monitoring system takes corresponding measure, and then improves the single rate of milk cow.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of long-range cattle farm environmental monitoring system provided in an embodiment of the present invention；
The structural representation for the long-range cattle farm environmental monitoring system that Fig. 2 provides for another embodiment of the present invention；
Fig. 3 is the flow chart of long-range cattle farm method of environmental monitoring provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is explicitly described, it is clear that described embodiment be the present invention
A part of embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, the scope of protection of the invention is belonged to.
Fig. 1 is the structured flowchart of long-range cattle farm environmental monitoring system provided in an embodiment of the present invention, as shown in figure 1, should
Monitoring system includes：First data radio station 101, the second data radio station 102, host computer 103 and ambient parameter acquisition module 104.
First data radio station 101 is arranged on cattle farm, is connected with ambient parameter acquisition module 104；Second data radio station 102
Office Area is arranged on, is connected respectively with the first data radio station 101 and host computer 103；Host computer 103 is used to showing and storing second
The cattle farm ambient parameter that data radio station 102 is transmitted.
Wherein, ambient parameter acquisition module is used to gather the ambient parameter of cattle farm, for example, the temperature of cattle farm, humidity,
Gas concentration lwevel and ammonia concentration etc..
Wherein, data radio station (radio modem), can be described as " wireless digital broadcasting station ", " wireless data transmission module ", refers to again
The high-performance expert data transmission radio station realized by DSP technologies and radiotechnics.The use of data radio station is pressed from earliest
Key code, telegram, analog radio add wireless modem, develop into current digital radio station and DSP, software radio；Transmit signal
Also from code, low speed data (300~1200bps) to high-speed data (N*64K~N*E1), it can transmit including remote-control romote-sensing number
According to business such as, dynamic images.U.S.'s MDS data radio stations, Finland's SATEL data radio stations compare well-known data in the world to be current
Transmission radio station.
Wherein, host computer refers to directly send the computer of manipulation order, usually PC/host computer/
Various signal intensities (hydraulic pressure, water level, temperature etc.) are shown on master computer/upper computer, screen.It is the next
Machine is the computer that direct control device obtains status of equipment, usually PLC/ single-chip microcomputers single chip
Microcomputer/slave computer/lower computer's etc.The order that host computer is sent is first to bottom
Machine, slave computer directly controls relevant device further according to this command interpretation into corresponding time sequence signal.Slave computer reads equipment shape frequently
State data (generally analog quantity), are converted into data signal and feed back to host computer.
Specifically, the monitoring system that the environment of cattle farm is remotely monitored is included：Two data radio stations and host computer
103.It is connected, browses with computer before use, carrying out Initialize installation, i.e. data radio station to data radio station first in data radio station
Device inputs the network address of data radio station, progress data radio station setting of entering the Web page, including to transmission frequency, transmission rate, number
Conduct electricity each port of platform carries out relative set, and wherein transmission frequency is identical with the setting of serial ports of computers, and other parameters take silent
Recognize value, start data radio station afterwards and communicated.
First data radio station 101 is connected with ambient parameter acquisition module 104, when ambient parameter acquisition module 104 is got
After the ambient parameter information of cattle farm, for example, ambient parameter information is：Temperature, humidity, gas concentration lwevel and the ammonia of cattle farm
Gas concentration etc..Now, the first data radio station 101 can receive the environmental parameter signals of cattle farm, and by the environmental parameter signals
After frequency modulation and data encryption, sent by the gain antenna of the first data radio station 101 with electromagnetic wave to second
Data radio station 102.
Second data radio station 102 is connected with the first data radio station 101 and host computer 103, and the second data radio station 102 receives the
The environmental parameter signals of one data radio station 101 transmission, and it is decoded etc., the process is two-way equivalent to transparent transmission, nothing
Line signal transacting is automatically performed by the second data radio station 102, and the environmental parameter signals after processing are transmitted to host computer 103.It is upper
Machine 103 receives and carries out conversion process to it after environmental parameter signals, most at last ambient parameter with engineering value, curve or figure
The modes such as table are shown on monitored picture, and the ambient parameter is stored in database, so as to complete to cattle farm scene
Monitoring in real time.
In embodiments of the present invention, by setting data radio station in cattle farm and Office Area respectively so that ambient parameter is adopted
The ambient parameter that collection module is obtained in real time and can be reliably transmitted to host computer by data radio station, and then is carried out in host computer
Display and storage, reduce the cost of long-range cattle farm environmental monitoring system, and the monitoring system is particularly suitable for field and suburb
The remote and complicated environment occasion in the area such as area, so that cattle farm manager can take corresponding according to obtained ambient parameter
Measure, and then improve the single rate of milk cow.
On the basis of above-described embodiment, with reference to Fig. 2, the ambient parameter acquisition module 104 includes：At least one is warm and humid
Spend sensor 241 and analog quantity acquiring device 242；The Temperature Humidity Sensor 241 is arranged in the cattle farm, and with the mould
Analog quantity collector 242 is connected, for gathering temperature signal and moisture signal in the cattle farm；The analog quantity acquiring device
242 are connected with the Temperature Humidity Sensor 241 and first data radio station 101 respectively, for Temperature Humidity Sensor 241 to be adopted
The temperature signal and moisture signal of collection are converted into data signal, and by the digital data transmission to first data radio station
101。
Wherein, Temperature Humidity Sensor refers to that Temperature Quantity and humidity amount can be converted into the electric signal for being easily measured processing
Device.The Temperature Humidity Sensor of in the market is usually measurement temperature amount and relative humidity amount.
Wherein, analog quantity acquiring device is a for gathering 0-5V voltage signals, the intelligent acquisition of 4-20mA current signals
Module, also referred to as analogue collection module, its cardinal principle are to input voltage and current signal acquisition, then logical by 485
Letter interface is connected with host computer PC, and communication protocol uses the MODBUS rtu protocols of industrial communication standard.
Specifically, ambient parameter acquisition module 104 includes at least one Temperature Humidity Sensor 241 and analog quantity acquiring device
242, Temperature Humidity Sensor 241 can be set in multiple positions of cattle farm as needed, and then reach complete detection cattle farm
The purpose of ambient temperature and humidity.Temperature Humidity Sensor 241 in ambient parameter acquisition module 104 is used for the temperature letter for gathering cattle farm
Breath and humidity information, the temperature information and humidity information that Temperature Humidity Sensor 241 is gathered are current signal or voltage signal.Ring
Analog quantity acquiring device 242 in border parameter collection module 104 enters to the temperature signal and moisture signal in Temperature Humidity Sensor 241
Row collection, and the temperature signal and moisture signal of collection are converted into data signal, and convert digital signals into industrial normal
The serial ports MODBUS rtu protocols seen, are then sent to the first data radio station 101.
In embodiments of the present invention, by setting Temperature Humidity Sensor in ambient parameter acquisition module, to cattle farm
Temperature and humidity be acquired in real time, and be converted into the temperature signal and moisture signal of collection by analog quantity acquiring device can
The data signal read by data radio station so that remote environment-monitoring system can obtain the temperature information of cattle farm in real time and wet
Spend information.
On the basis of above-described embodiment, with reference to Fig. 2, the ambient parameter acquisition module 104 also includes：Carbon dioxide is passed
Sensor 243, ammonia gas sensor 244, hydrogen sulfide sensor 245 and SO 2 sensor 246；The carbon dioxide sensor
243rd, the ammonia gas sensor 244, the hydrogen sulfide sensor 245 and the SO 2 sensor 246 with the simulation
Collector 242 is measured to be connected.
Wherein, carbon dioxide sensor is used for the device for detecting gas concentration lwevel；Ammonia gas sensor is used to examine
Survey the device of ammonia concentration；Hydrogen sulfide sensor is used for the device for detecting concentration of hydrogen sulfide；Sulfur dioxide is passed
Sensor is used for the device for detecting sulfur dioxide concentration.
Specifically, ambient parameter acquisition module 104 also includes：Carbon dioxide sensor 243, ammonia gas sensor 244, vulcanization
Hydrogen sensor 245 and SO 2 sensor 246, can set carbon dioxide sensing in multiple positions of cattle farm as needed
Device 243, ammonia gas sensor 244, hydrogen sulfide sensor 245 and SO 2 sensor 246.In ambient parameter acquisition module 104
Carbon dioxide sensor 243 gas concentration lwevel in the air of cattle farm is acquired, obtain gas concentration lwevel signal；
Ammonia gas sensor 244 is acquired to the ammonia concentration in the air of cattle farm, obtains ammonia concentration signal；Hydrogen sulfide sensor
Concentration of hydrogen sulfide in 245 pairs of cattle farm air is acquired, and obtains concentration of hydrogen sulfide signal；246 pairs of SO 2 sensor
Sulfur dioxide concentration in the air of cattle farm is acquired, and obtains sulfur dioxide concentration signal.Then analog quantity acquiring device 242 is adopted
Collect the collection signal of each sensor, and by the gas concentration lwevel signal collected, ammonia concentration signal, concentration of hydrogen sulfide signal
Data signal is converted into sulfur dioxide concentration signal, and converts digital signals into industrial common serial ports MODBUS RTU
Agreement, is then transmit to the first data radio station 101.
In embodiments of the present invention, by setting carbon dioxide sensor, ammonia to sense in ambient parameter acquisition module
Device, hydrogen sulfide sensor and SO 2 sensor, can be to cattle farm the carbon dioxide concentration in air, ammonia concentration, vulcanization
Hydrogen concentration and the air quality parameters of sulfur dioxide concentration are gathered in real time, and the air quality parameters of collection are passed through into simulation
Amount collector, which is converted into after data signal, to be transmitted to the first data radio station so that remote environment-monitoring system can be got in real time
Gas concentration lwevel, ammonia concentration, concentration of hydrogen sulfide and sulfur dioxide concentration in the air of cattle farm.
On the basis of above-described embodiment, the analog quantity acquiring device 242 is passed using Shielded Twisted Pair with the humiture
Sensor 241, the carbon dioxide sensor 243, the ammonia gas sensor 244, the hydrogen sulfide sensor 245 and the dioxy
Change sulfer sensor 246 to be connected, and the nonpolarity ceramic disc capacitor in parallel on the signal sampling channel of the analog quantity acquiring device 242.
Wherein, Shielded Twisted Pair (Shielded Twisted Pair, STP) is a kind of copper for being widely used in data transfer
Matter twisted-pair feeder.Twisted-pair feeder can be divided into unshielded twisted pair (UTP：Unshilded Twisted Pair) and Shielded Twisted Pair
(STP：Shielded Twisted Pair) two types.Physically, Shielded Twisted Pair is more than unshielded twisted pair
Whole shielding layer and/or line are to screen layer, by way of shielding, decay and noise are reduced, so that there is provided cleaner
Electronic signal and longer cable length.
Wherein, ceramic disc capacitor (ceramic capacitor) is that one kind ceramic material makees medium, in ceramic surface coating
Layer of metal film, then the capacitor after high temperature sintering as electrode, are generally used in high stable oscillation circuit, as
Loop, feed-through capacitor and oscillator padder.
Specifically, in order that the signal of each sensor collection reduces the degree being disturbed, so as to obtain purer environment
Parameter signal, then be connected between each sensor and analog quantity acquiring device 242 using Shielded Twisted Pair, screen layer single-termination
Ground, away from ac cable, if unconditionally, should avoid with ac cable parallel lay-up, the angle between cable can be increased, to subtract
Angle between few electromagnetic interference, cable is preferably 90 °.In order to reduce the interference being superimposed upon on signal wire, analog quantity acquiring device
Equal nonpolarity ceramic disc capacitor in parallel (0.1 μ F~0.47 μ F/25V) on 242 every road signal sampling channel.
In embodiments of the present invention, each sensor is connected with analog quantity acquiring device by using Shielded Twisted Pair, can be with
Obtain purer electronic signal, and the stepless property ceramics electricity in parallel on every road signal sampling channel of analog quantity acquiring device
Hold, the interference being superimposed upon on signal wire can be retrieved, so as to reduce the journey that the electronic signal that analog quantity acquiring device obtains is disturbed
Degree.
On the basis of above-described embodiment, the Surveillance center in the host computer 103 uses master-slave mode half-duplex operation side
Formula communicates with monitor terminal；The Surveillance center is connected with second data radio station, the environment for active inquiry cattle farm
Parameter；The monitor terminal is used for the cattle farm ambient parameter for showing and storing the second data radio station transmission.
Wherein, half-duplex operation, i.e. Half-duplex Communication, this communication mode can be realized two-way
Communication, but can not in the two directions simultaneously carry out, it is necessary to carry out with alternating.That is, communication channel is each
Section can be transmitting terminal or receiving terminal.But in synchronization, information can only have a transmission direction.Such as daily life
Example in work has walkie-talkie communication, intercom etc..
Specifically, the Surveillance center in host computer 103 uses master-slave mode half-duplex operation with monitor terminal, works as Surveillance center
During the ambient parameter of active obtaining cattle farm, the second data radio station 102 can receive the instruction of the acquisition cattle farm ambient parameter,
And transmit the instruction to the first data radio station 101, then the first data radio station 101 will include the data of cattle farm ambient parameter
Bag is back to the second data radio station 102.Second data radio station 102 receives the packet comprising ambient parameter and responded,
Now, host computer 103 can receive the cattle farm ambient parameter of the second data radio station 102 transmission, then monitor terminal is to the milk cow
Ambient parameter is shown and stored, will the ambient parameter be shown in monitored picture, for example, by ambient parameter with number
The modes such as value, curve or chart are shown in monitored picture, and ambient parameter is stored in database.
When being communicated due to Surveillance center with monitor terminal, the length of packet is different with different orders, communication
Time also differs.Monitor terminal is accomplished by can adapt to the positive normal open of any control command at any moment of Surveillance center
Letter.In order to adapt to the various situations of the above, the communication between monitor terminal and Surveillance center follows the communications protocol of design,
Start including frame, command word, data, frame check and frame end mark etc..
In embodiments of the present invention, by the ambient parameter of Surveillance center's active inquiry cattle farm, the second data radio station meeting
The cattle farm ambient parameter of the first data radio station transmission is received, then the second data radio station joins the cattle farm environment received
Number is transmitted to host computer, and ambient parameter is shown and stored in monitor terminal, in monitoring cattle farm environment ginseng in real time
While number so that user can also carry out active inquiry according to actual conditions to the ambient parameter of cattle farm.
On the basis of above-described embodiment, the data radio station uses GE MDS SD2 type data radio stations；The analog quantity
Collector uses 8 tunnels analogy amount input module UT-5508；The Temperature Humidity Sensor uses QFA3171 type sensors.
Specifically, for overcome live complicated electromagnetic interference and ensure equipment can long-term stable operation, from GE MDS
SD2 type data radio stations, the data radio station has special arrowband frequency, and frequency range is 220~235MHz, it is ensured that wireless without other
Equipment is disturbed；Ensure the reliability of data transfer, prevent that data transmission uses encryption technology between leakage of data, data radio station；
Wide temperature working environment：- 40 DEG C~70 DEG C, meet strict industrial standard, using more stable temperature compensating crystal oscillator
(TCXO) so that data radio station disclosure satisfy that the application of harsh working environment and emergency.
GE MDS SD2 types data radio station provides transparent RS232 interfaces, and transmission rate reaches 19.2Kbps, during transmitting-receiving conversion
Between be less than 10ms, indicated with field strength, temperature, voltage etc., the function such as Bit Error Code Statistics, state alarm, network management.Data radio station
Once put into and persistently use, erection is convenient, is easy to extend and uses, no transfer communication distance reaches 70KM, adapts to indoor or room
Outer harsh environments.It is operable with either simplex, half-duplex, TDD, full duplex mode, transmit-receive cofrequency or alien frequencies
Turn networking, and with remote diagnosis, test, monitoring function, meet various applications telemetry network center and numerous remote station it
Between it is remote, at a high speed, highly reliable data acquisition and control.
Therefore the applicability of remote environment-monitoring system is improved using GE MDS SD2 type data radio stations.And the number conducts electricity
Platform is directly initiated by data, when not having data, and data radio station is in dormancy wait state, is sent once data arrive to start
Or data are received, start working.If not having data arriving in certain period of time, data radio station returns dormant state.
In embodiments of the present invention, it is contemplated that complicated electromagnetic interference, alternating current disturbance and the signal of long-range cattle farm are adopted
The factors such as sample datum mark influence, in order to ensure precision and selection UT-5508 analog quantity acquiring devices steady in a long-term, the analog quantity
There is collector 2500VDC to isolate analog input, analog quantity Differential Input mode；Internal A/D converter is high-precision using 24
Exactness Sigma-Delta chips, the full scale of precision ± 0.1%；Sampling rate is 10 samples/secs, zero shift：20 μ V/ DEG C, range
Drift about as 25ppm/ DEG C, power consumption is 1.3W.
UT-5508 is remote data acquisition module, and module can remotely be controlled by the series of instructions of UTBUS agreements
System, module and host computer are to be communicated using ASCII character data mode by RS-485 universal serial bus.Baud rate is that software is set
Put, transmission rate maximum can reach 115.2K and can be selected.UT-5508 also supports Modbus rtu protocols.
The capacitance of the sensing element of QFA3171 type sensors changes and sensing element with humidity change into function fashion
Resistance value vary with temperature into function fashion change.
On the basis of above-described embodiment, the carbon dioxide sensor uses the MOT300- based on infrared detection technology
CO2- IR types are wireless gas sensor；The ammonia gas sensor uses the MOT300-NH based on Electrochemical Detection principle3Type is sensed
Device；The hydrogen sulfide sensor uses the MOT300-H based on Electrochemical Detection principle2S type sensors；And the titanium dioxide
Sulfer sensor uses the MOT300-SO based on Electrochemical Detection principle2Type sensor.
Fig. 3 is the flow chart of long-range cattle farm method of environmental monitoring provided in an embodiment of the present invention, as shown in figure 3, the party
Method includes：S1, the ambient parameter for translating into data signal is delivered to the first data radio station of cattle farm；S2, passes through described
One data radio station transmits the ambient parameter of the data signal to the second data radio station of Office Area；S3, second number is passed
The ambient parameter of the data signal is delivered to host computer and is shown and stored by radio station.
Specifically, when monitoring cattle farm environmental information, the ambient parameter for first translating into data signal is delivered to setting
The first data radio station in cattle farm, then first data radio station by gain antenna in the form of an electromagnetic wave by numeral letter
Number ambient parameter transmit to the second data radio station of Office Area.Second data radio station receives the ambient parameter of data signal
Afterwards, the ambient parameter of the data signal is delivered to host computer, and the ambient parameter to cattle farm in host computer is handled,
The ambient parameter of final display cattle farm, and the ambient parameter is stored in database.
In embodiments of the present invention, the ambient parameter in cattle farm is transmitted by data radio station, can be by the ambient parameter
In real time and reliably transmit to host computer, and then shown and stored in host computer, reduce long-range cattle farm environment and supervise
The cost of examining system, and the monitoring system is particularly suitable for the remote and complicated environment occasion in the area such as field and suburb, so that
The ambient parameter that cattle farm manager can obtain according to monitoring system takes corresponding measure, and then improves the per unit area yield of milk cow
Amount.
On the basis of above-described embodiment, this method also includes the ambient parameter for obtaining cattle farm, and the environment is joined
Number is converted into the ambient parameter of data signal.
Specifically, before the ambient parameter for translating into data signal is delivered to the first data radio station, in addition it is also necessary to obtain
The ambient parameter of cattle farm, for example, obtaining the temperature of cattle farm, humidity, the gas concentration lwevel in air, ammonia concentration, sulphur
Change hydrogen concentration and sulfur dioxide concentration etc..And the ambient parameter of the acquisition is converted into the ambient parameter of data signal, so
It can be read by data radio station, the ambient parameter for then translating into data signal is delivered to the first data radio station.
On the basis of above-described embodiment, the ambient parameter by the data signal in the S3 is delivered to host computer and entered
Row show including：Shown with numerical value, curve or graph mode in host computer.
Specifically, when host computer is shown to the second ambient parameter for transmitting of number, can by temperature,
Humidity and air quality parameters etc. are shown in the way of numerical value；By the situation of change of temperature, humidity and air quality parameters
Shown in the way of curve；Or, temperature, humidity and air quality parameters are graphically shown.So
The situation of cattle farm current environment parameter can be more intuitively shown, facilitates user to take corresponding measure, to improve milk cow
Single rate.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of long-range cattle farm environmental monitoring system, it is characterised in that at least include：
Two data radio stations and host computer；
Two data radio stations are separately positioned on cattle farm and Office Area, be arranged on the first data radio station of the cattle farm with
Ambient parameter acquisition module be connected, be arranged on the second data radio station of Office Area respectively with first data radio station and it is described on
Position machine is connected；
The host computer is used for the cattle farm ambient parameter for showing and storing the second data radio station transmission.
2. system according to claim 1, it is characterised in that the ambient parameter acquisition module includes：At least one temperature
Humidity sensor and analog quantity acquiring device；
The Temperature Humidity Sensor is arranged in the cattle farm, and is connected with the analog quantity acquiring device, described for gathering
Temperature signal and moisture signal in cattle farm；
The analog quantity acquiring device is connected with the Temperature Humidity Sensor and first data radio station respectively, for by humiture
The temperature signal and moisture signal of sensor collection are converted into data signal, and the digital data transmission to described first is counted
Conduct electricity platform.
3. system according to claim 2, it is characterised in that the ambient parameter acquisition module also includes：Carbon dioxide
Sensor, ammonia gas sensor, hydrogen sulfide sensor and SO 2 sensor；
The carbon dioxide sensor, the ammonia gas sensor, the hydrogen sulfide sensor and the SO 2 sensor are equal
It is connected with the analog quantity acquiring device.
4. the system according to Claims 2 or 3, it is characterised in that the analog quantity acquiring device using Shielded Twisted Pair with
The Temperature Humidity Sensor, the carbon dioxide sensor, the ammonia gas sensor, the hydrogen sulfide sensor and the dioxy
Change sulfer sensor to be connected, and the nonpolarity ceramic disc capacitor in parallel on the signal sampling channel of the analog quantity acquiring device.
5. system according to claim 1, it is characterised in that the Surveillance center in the host computer uses master-slave mode half pair
Work communication mode communicates with monitor terminal；
The Surveillance center is connected with second data radio station, the ambient parameter for active inquiry cattle farm；
The monitor terminal is used for the cattle farm ambient parameter for showing and storing the second data radio station transmission.
6. system according to claim 2, it is characterised in that the data radio station is conducted electricity using GE MDS SD2 type numbers
Platform；The analog quantity acquiring device uses 8 tunnels analogy amount input module UT-5508；The Temperature Humidity Sensor uses QFA3171
Type sensor.
7. system according to claim 3, it is characterised in that the carbon dioxide sensor, which is used, is based on infrared detection skill
The MOT300-CO of art2- IR types are wireless gas sensor；
The ammonia gas sensor uses the MOT300-NH based on Electrochemical Detection principle3Type sensor；
The hydrogen sulfide sensor uses the MOT300-H based on Electrochemical Detection principle2S type sensors；
And the SO 2 sensor uses the MOT300-SO based on Electrochemical Detection principle2Type sensor.
8. a kind of long-range cattle farm method of environmental monitoring, it is characterised in that including：
S1, the ambient parameter for translating into data signal is delivered to the first data radio station of cattle farm；
S2, is conducted electricity the second number that the ambient parameter of the data signal is transmitted to Office Area by first data radio station
Platform；
The ambient parameter of the data signal is delivered to host computer and is shown and stored by S3, second data radio station.
9. method according to claim 8, it is characterised in that also including the ambient parameter for obtaining cattle farm, and will be described
Ambient parameter is converted into the ambient parameter of data signal.
10. method according to claim 8, it is characterised in that the ambient parameter by the data signal in the S3
Being delivered to host computer progress display includes：Shown with numerical value, curve or graph mode in host computer.
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