CN102520685A - Data acquisition system capable of monitoring and controlling industrial field and acquisition method thereof - Google Patents
Data acquisition system capable of monitoring and controlling industrial field and acquisition method thereof Download PDFInfo
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- CN102520685A CN102520685A CN201110401866XA CN201110401866A CN102520685A CN 102520685 A CN102520685 A CN 102520685A CN 201110401866X A CN201110401866X A CN 201110401866XA CN 201110401866 A CN201110401866 A CN 201110401866A CN 102520685 A CN102520685 A CN 102520685A
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Abstract
The invention provides a data acquisition system capable of monitoring and controlling an industrial field and a data acquisition method thereof. The data acquisition system comprises far-end data acquisition control devices, a data transmission module, a central station data reception device, a server terminal data processing module and a data display module. The data acquisition system provided by the invention is suitable for acquisition and transmission of remote data. The data transmission is carried out through employing a wireless private network or a wired network, and the stability and correctness of the data transmission can be ensured. A state of each far-end data acquisition control device and transmitted real-time data can be viewed at a terminal display control chamber, and unified monitoring and management are facilitated. Since the system employs the private network to transmit the data, isolation from a public network is carried out, and the system and the method have good security.
Description
Technical field
The present invention relates to a kind of data acquisition system (DAS) and collecting method thereof, specifically, relate to a kind of data acquisition system (DAS) and collecting method thereof that the equipment of industry spot is monitored and controlled can realized.
Background technology
Present prior art is indoor application normally.Than higher, can't or be applied in that reliability can not be guaranteed in the rugged surroundings to the requirement of working environment reluctantly.Its scan period is generally long, and output terminal is difficult to realize complicated, sequential control fast.Function is more single, generally as switch control.If will realize functions such as data type conversion, real-time sampling, then need cooperate external connection module to use.
Summary of the invention
In order to solve the weak point of above-mentioned prior art, the object of the present invention is to provide and to have realized data acquisition system (DAS) that industry spot is monitored and controlled, to overcome the defective of prior art.Said data acquisition system (DAS) comprises: remote data acquisition controlling equipment, and said remote data acquisition controlling equipment is used to gather the data of industry spot various device and controls this data; The data that data transmission module, said data transmission module are used for said remote data acquisition controlling equipment is collected are transferred to the central station data receiver that links to each other with router through wireless network or cable network; The central station data receiver, said central station data receiver is used to receive the data that transmit from said data transmission module, and through internal lan data transmission is arrived the server end data processing module; The server end data processing module; Said server end data processing module is used for through data map after the needed data of said central station data receiver acquisition; The general data type conversion is stored in the database server after the database file type, for data disaply moudle provides data source; And data disaply moudle, said data disaply moudle is used for the demand of the data that are stored in said server database according to the client read in real time and show, and simultaneously data storing is got up.
Preferably, said remote data acquisition controlling equipment comprises power supply (such as the 24V power supply), lightning arrester, input block and data acquisition module.
Preferably, said input block comprises switch input block, analog input unit, pulsed quantity input block and digital quantity input block; Wherein, Said switch input block is used for timing acquiring and handles on-the-spot various switching value signals; Said analog input unit is used for timing acquiring and handles on-the-spot 4-20mA simulating signal; Said pulsed quantity input block is used for timing acquiring and the pulse signal frequency of handling on-site signal, and said digital quantity input block is used for timing acquiring and handles various digital signals.
Preferably, when said data transmission module passed through the wireless network transmissions data, data were transmitted with Wireless transmission mode, and conversion transfers on the said central station data receiver that links to each other with router at last through photoelectric commutator again after being received by the base station.
Preferably, said central station data receiver has a data input port and a data output port.
Preferably, the IP address of said data-in port is consistent with the network segment of router port, and the IP address of said data-out port is consistent in the network segment of LAN switch port.
Preferably, said central station data receiver can receive the multiple formatted data that the collection of a plurality of said remote data acquisition opertaing device is transmitted up simultaneously.
Preferably, said industry spot various device is provided with the Intranet fixed ip address, and said database server is configured in the LAN.
Preferably, said on-site signal is voltage signal or current signal, and said on-site signal is controlled by relay contact switch.
Another object of the present invention is to provide and to have realized collecting method that industry spot is monitored and controlled; Said collecting method comprises the steps: (1) collection and control data; Utilize remote data acquisition controlling equipment to gather the data of industry spot various device, and control said data; (2) transmission data adopt data transmission module said data transmission to be arrived the central station data receiver that links to each other with router through wireless network or cable network; (3) receive and transmit data once more, utilize said central station data receiver to receive said data, and through internal lan with said data transmission to the server end data processing module; (4) handle and store data; After adopting said server end data processing module from said central station data receiver, to obtain needed data through data map; The general data type conversion is stored in the database server after the database file type, for data disaply moudle provides data source; (5) read and video data, the data that will be stored in the said database server through said data disaply moudle read in real time and show according to client's demand, simultaneously data storing are got up.
Therefore, data acquisition system (DAS) provided by the invention is fit to the collection and the transmission of teledata; And, can ensure stability of data transmission and correctness through adopting wireless private network or cable network to carry out data transmission; When data acquisition is carried out in the new collection point of needs configurations, only need be at this ground increase remote data acquisition controlling equipment, can insert legacy network after it is configured, realize the collection of new collection point data and upload.Original system had no influence; And show that at the terminal pulpit can see the state of each remote data acquisition controlling equipment and the real time data that sends, make things convenient for unified monitoring and management; Because system adopts the private network Data transmission, isolate with public network, therefore have good security.
Therefore, data acquisition system (DAS) provided by the invention has practicality, high reliability, extensibility, ease of manageability and security.
Description of drawings
Fig. 1 is the block diagram of data acquisition system (DAS) of the present invention;
Fig. 2 is the flow diagram of data acquisition system (DAS) of the present invention;
Fig. 3 is the flow chart of steps of collecting method of the present invention.
Description of reference numerals is following:
Remote data acquisition controlling equipment 11, data transmission module 12, central station data receiver 13, server end data processing module 14, data disaply moudle 15.
Embodiment
For making the auditor can further understand structure of the present invention, characteristic and other purposes, combine appended preferred embodiment to attach at present and specify as follows with accompanying drawing, the illustrated embodiment of accompanying drawing only is used to technical scheme of the present invention is described, and non-limiting the present invention.
Please be simultaneously referring to Fig. 1 and Fig. 2, Fig. 1 is the block diagram of data acquisition system (DAS) of the present invention, Fig. 2 is the flow diagram of data acquisition system (DAS) of the present invention.As shown in Figure 1, the data acquisition system (DAS) of the embodiment of the invention comprises remote data acquisition controlling equipment 11, data transmission module 12, central station data receiver 13, server end data processing module 14 and data display module (display module) 15.
The continuous input signal cable of various instrument (the various instrument that are generally flowmeter, liquid level gauge, thermometer, hygrometer, pressure gauge and can measurement numerical value be converted into electric signal) that remote data acquisition controlling equipment 11 is responsible for industry spot receives signal; Signal is converted into numerical value (promptly; Data), then these data are gathered and the signal data that collects is controlled.Said remote data acquisition controlling equipment comprises power supply (such as the 24V power supply), lightning arrester, input block and data acquisition module.Can all can be applicable in this system measuring the instrument that numerical value is converted into electric signal in addition.
On-site signal of the present invention can be a relay contact switch amount signal, also can be voltage signal, can also be current signal, but not as restriction.Remote data acquisition controlling equipment 11 utilizes input block that the on-site signal data are gathered, and wherein, the switch input block can be gathered the various switching value signals in scene; Analog input unit can be gathered the simulating signal of on-the-spot 4～20mA; The pulsed quantity input block can be gathered the pulse signal frequency of on-site signal; The digital quantity input block can be gathered various digital signals.Remote data acquisition controlling equipment 11 is used to realize timing operation, timing data acquisition function with data acquisition module, and data acquisition module itself also possesses certain data processing function.
In addition; Remote data acquisition controlling equipment 11 in the present embodiment adopts optoisolator spare; Can resist on-the-spot various external interference; Therefore, it is stronger that native system is compared to the ability that other data acquisition equipments conform, can be big in the temperature difference, operate as normal under the multiple rugged surroundings such as highfield, high-intensity magnetic field, many dust, humidity.
Wherein, in an embodiment of the present invention, the important technological parameters of remote data acquisition controlling equipment 11 is following: support 8 AI, 12 DI, 4 DO interfaces; Working temperature is-40 ℃～70 ℃, and storing temperature is-40 ℃～85 ℃; Working relative humidity is 5%～95%RH; Support programing function; 2 serial ports, 1 ethernet port, Ethernet interface traffic rate are the 10/100M self-adaptation; Support data recording; Input voltage is 10～30VDC; Input current is 100mA24VDC, but not as restriction, it also can be arranged to other parameters, to adapt to the actual needs of industry spot.
After central station data receiver 13 received the data that transmitted by data transmission module 12, data were transferred to server end data processing module 14 through internal lan.Referring to Fig. 2; In the present embodiment; Central station data receiver 13 receives two remote data acquisition opertaing devices 11 simultaneously and gathers the data that transmission comes up; But not as limit, central station data receiver 13 can receive a plurality of remote data acquisition opertaing devices 11 simultaneously and gather the multiple formatted data that transmission comes up.
The important technological parameters of aforesaid central station data receiver 13 is following: maximum I/O register is 2048 analog quantitys, 8000 discrete magnitudes; Working temperature is-40 ℃～70 ℃, and storing temperature is-40 ℃～85 ℃; Working relative humidity is 5%～95%RH; Support programing function; 1 serial port, 2 ethernet ports are two and have the independently network of MAC and IP address; Power supply power consumption is 1.6W; The input power supply is 10-30VDC.Certainly, the technical parameter of the central station data receiver 13 among the present invention can carry out how much adjusting of device data collection capacity according to the industry spot needs, to adapt to the actual needs of industry spot not as limit.
Server end data processing module 14 obtains needed data through data map from central station data receiver 13, carry out storing in the database server after the format conversion, for data disaply moudle 15 provides data source.Here, the format conversion of general data type conversion to the database file type do not must have, only needs just under gathering the data type come up and the inconsistent situation of the field type in the database table.
The particular data that data disaply moudle 15 will be stored in the said server database shows according to client's demand.Data disaply moudle 15 can either show the data that each data collection point collection comes in real time, can also store gathering the data based date and the classification that come.Can carry out data and curve display according to conditions such as day, week, the moon, years, can also be according to selecting different generate in month form on a month-on-month basis and histograms.The form that generates can export as the Excel document, also can printout.
Fig. 2 is the flow diagram of data acquisition system (DAS) of the present invention.As shown in Figure 2, the remote data acquisition controlling equipment in the data acquisition system (DAS) of the present invention is responsible for the collection of field data and signal.In the present embodiment, the Usage data collection module is configured remote data acquisition controlling equipment, and realizes the collection of data.Under the visual software environment, carry out the model of selected data acquisition module device therefor, model is meant the unit type of remote data acquisition controlling equipment here, generally can on equipment, identify; Under the visual software environment, the data acquisition module is indicated that name of station, station number, sequence number are so that the later stage debugging; Name of station can freely be named; Station number is the unified numbering to all remote data collecting devices, and sequence number is the numbering that has on the remote data acquisition hardware equipment.The IP address of setting data acquisition module connects data source (that is, database), configures the transmission LAN, and data acquisition module just disposes and accomplished like this.
The data that data acquisition module collected are handled through computing formula (I), will be reduced into raw data by the current signal that field instrument passes over.With the field instrument range is that x～y is an example, and its pairing output DC stream scope is a～b milliampere, and the actual size of current that obtains from instrument output is the c milliampere, and the formula of real data z of then will reducing is:
Computing formula (I) is handled, and will be reduced into raw data by the current signal that field instrument passes over.The actual range of field instrument liquid level gauge is 0～5 meter; Its pairing output DC stream scope is 4～20 milliamperes; The actual size of current that obtains from instrument output is 8 milliamperes, and then actual liquid level be
meter.Measurement lower limit value with the corresponding field instrument practical application of x; Y comes the measurement limit (value) of corresponding field instrument practical application; Regional corresponding output DC stream scope a～b milliampere between x～y lower limit and the higher limit; The actual size of current that obtains from instrument output is the c milliampere, and the formula of real data z of then will reducing is:
Then; Because data acquisition module is the part of remote data acquisition controlling equipment; Be that form with Ethernet links to each other with the network equipment that data transmission module is comprised; Therefore again through data transmission module 12, with the central station data receiver 13 that data transmission extremely links to each other with router, be transferred to server end data processing module 14 again with wireless or wired mode.Server end data processing module 14 possesses a data input port and a data output port; The IP address of data-in port and the network segment of router port are consistent, and the IP address of data-out port is consistent with the network segment of LAN switch port.Server end data processing module 14 as the storage data also is configured in this LAN, data transfer behind the server end data processing module 14 through being kept in the database server after the format conversion operation.Data disaply moudle 15 reading of data from database is presented in to the user according to the needed form of client again.
Fig. 3 is the flow chart of steps of collecting method of the present invention, and is as shown in Figure 3, and step 1 is utilized the data of remote data acquisition controlling equipment 11 collection industry spot various devices for gathering and control data, and the data after gathering are controlled; Step 2 is transmitted the data that step 1 collects for the transmission data, adopts data transmission module 12 said data transmission to be arrived the central station data receiver 13 that links to each other with router through wireless network or cable network; Step 3 is reception and transmits data once more, utilizes said central station data receiver 13 to receive said data, and through internal lan said data transmission is arrived server end data processing module 14; Step 4 is for handling and the storage data; After adopting said server end data processing module 14 that the data that transmit in the step 3 are obtained needed data through data map from said central station data receiver; The general data type conversion is stored in the database server after the database file type, for data disaply moudle provides data source; And step 5 reads and video data, and the data that will be stored in the said database server through said data disaply moudle 15 read in real time and show according to client's demand, simultaneously data storing are got up.The present invention accomplishes whole data collection through above-mentioned 5 steps.
Below, data acquisition of implementing through the somewhere, Hebei and surveillance carry out test experiments.
The remote data acquisition module is received current or voltage signal from the equipment that needs are gathered, and through wireless device signal is sent to the base station.The base station sends to photoelectric commutator through optical fiber after receiving signal, becomes electric signal through format conversion again and is delivered to the router that links to each other with central station equipment through twisted-pair feeder.Last again with the server of central station equipment at same LAN in store and show.
From applicable cases, under the normal situation of network, system has reached data zero and has lost, and the value data in data of storing in the server and the on-the-spot institute acquisition instrument is in full accord.
From the mode of the situation Data transmission of rig-site utilization is the communication modes of initiatively initiating report; This mode can realize the real-time and the validity of Data transmission; Be convenient to the interval time that report is initiated in adjustment according to actual conditions; The Transmission Time Interval that data are uploaded in most at the scene collection points is 5 minutes; The Transmission Time Interval that data are uploaded in indivedual important collection points is 1 minute, and the value data from store database into is to carry out data transmission according to the time interval that sets fully.
A plurality of information gathering points have been set up in the locality; Each website geographical situation working environment also is not quite similar; Proved that through practical application this equipment has extraordinary adaptability to temperature; Its design theory operating ambient temperature is subzero 40 degrees centigrade to 70 degrees centigrade above freezing, in the practical application in heat with still work winter well, summer rainy weather also can operate as normal.
Data acquisition system (DAS) of the present invention has the following advantages: the accuracy of (1) data transmission: data and field measurement data that the collection transmission comes up are in full accord; (2) working temperature: actual work temperature is between-45 ℃～70 ℃; (3) reliability of wireless telecommunications: under the wireless telecommunications situation, owing to the VPN that is that uses, so can reach 100% network reliability; (4) antijamming capability; Industry spot such as, highfield big in the temperature difference, high-intensity magnetic field, many dust, humidity all have application, and all operation is normal; (5) and through good lightning measure, all can normally move at thundery sky; (6) length of polling cycle: the data upload time of remote data acquisition opertaing device can be set arbitrarily, and all can be at Millisecond fully according to uploading data the interval time that is provided with; (7) ability that works long hours: remote data acquisition opertaing device and central station data receiver can be supported free of discontinuities stable operation in 365 days; (8) big data quantity inquiry: through optimizing, in 5,000,000 record, retrieve 20,000 records, system can respond in 500 milliseconds.
What need statement is that foregoing invention content and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as the qualification to protection domain of the present invention.Those skilled in the art are in spirit of the present invention and principle, when doing various modifications, being equal to replacement or improvement.Protection scope of the present invention is as the criterion with appended claims.
Claims (10)
1. data acquisition system (DAS) that can realize industry spot is monitored and controlled is characterized in that said data acquisition system (DAS) comprises:
Remote data acquisition controlling equipment, said remote data acquisition controlling equipment is used to gather the data of industry spot various device and controls this data;
The data that data transmission module, said data transmission module are used for said remote data acquisition controlling equipment is collected are transferred to the central station data receiver that links to each other with router through wireless network or cable network;
The central station data receiver, said central station data receiver is used to receive the data that transmit from said data transmission module, and through internal lan data transmission is arrived the server end data processing module;
The server end data processing module; Said server end data processing module is used for through data map after the needed data of said central station data receiver acquisition; The general data type conversion is stored in the database server after the database file type, for data disaply moudle provides data source; With
Data disaply moudle, said data disaply moudle are used for the demand of the data that are stored in said server database according to the client read in real time and show, and simultaneously data storing are got up.
2. data acquisition system (DAS) according to claim 1 is characterized in that, said remote data acquisition controlling equipment comprises power supply, lightning arrester, input block and data acquisition module.
3. data acquisition system (DAS) according to claim 2 is characterized in that, said input block comprises switch input block, analog input unit, pulsed quantity input block and digital quantity input block; Wherein, Said switch input block is used for timing acquiring and handles on-the-spot various switching value signals; Said analog input unit is used for timing acquiring and handles on-the-spot 4-20mA simulating signal; Said pulsed quantity input block is used for timing acquiring and the pulse signal frequency of handling on-site signal, and said digital quantity input block is used for timing acquiring and handles various digital signals.
4. data acquisition system (DAS) according to claim 1; It is characterized in that; When said data transmission module transmits data; Data are transmitted with Wireless transmission mode, and conversion transfers on the said central station data receiver that links to each other with router at last through photoelectric commutator again after being received by the base station.
5. data acquisition system (DAS) according to claim 1 is characterized in that, said central station data receiver has a data input port and a data output port.
6. data acquisition system (DAS) according to claim 5 is characterized in that, the IP address of said data-in port is consistent with the network segment of router port, and the IP address of said data-out port is consistent in the network segment of LAN switch port.
7. data acquisition system (DAS) according to claim 5 is characterized in that, said central station data receiver can receive the multiple formatted data that the collection of a plurality of said remote data acquisition opertaing device is transmitted up simultaneously.
8. data acquisition system (DAS) according to claim 1 is characterized in that, said industry spot various device is provided with the Intranet fixed ip address, and said database server is configured in the LAN.
9. data acquisition system (DAS) according to claim 1 is characterized in that, said on-site signal is voltage signal or current signal, and said on-site signal is controlled by relay contact switch.
10. the collecting method that can realize industry spot is monitored and controlled is characterized in that said collecting method comprises the steps:
(1) collection and control data utilize remote data acquisition controlling equipment to gather the data of industry spot various device, and control said data;
(2) transmission data adopt data transmission module said data transmission to be arrived the central station data receiver that links to each other with router through wireless network or cable network;
(3) receive and transmit data once more, utilize said central station data receiver to receive said data, and through internal lan with said data transmission to the server end data processing module;
(4) handle and store data; After adopting said server end data processing module from said central station data receiver, to obtain needed data through data map; The general data type conversion is stored in the database server after the database file type, for data disaply moudle provides data source; With
(5) read and video data, the data that will be stored in the said database server through said data disaply moudle read in real time and show according to client's demand, simultaneously data storing are got up.
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| CN201110401866.XA CN102520685B (en) | 2011-12-06 | 2011-12-06 | It is capable of industry spot being monitored and the data collecting system controlled and acquisition method thereof |
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| CN201110401866.XA CN102520685B (en) | 2011-12-06 | 2011-12-06 | It is capable of industry spot being monitored and the data collecting system controlled and acquisition method thereof |
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| WO2021007832A1 (en) * | 2019-07-16 | 2021-01-21 | 东北大学 | Multi-scale data acquisition and processing device and method used for aluminum oxide production process |
| US11487272B2 (en) | 2019-07-16 | 2022-11-01 | Northeastern University | Multi-scale data acquiring and processing device and method for aluminum oxide production process |
| CN111708335A (en) * | 2020-06-03 | 2020-09-25 | 深圳前海禾盈科技有限公司 | Equipment data acquisition method based on smart factory |
| CN112073432A (en) * | 2020-09-25 | 2020-12-11 | 盾构及掘进技术国家重点实验室 | Shield data acquisition and transmission system and network security transmission method |
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