CN102590894B - Automatic observation system for runoff experimental station - Google Patents
Automatic observation system for runoff experimental station Download PDFInfo
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- CN102590894B CN102590894B CN 201210006316 CN201210006316A CN102590894B CN 102590894 B CN102590894 B CN 102590894B CN 201210006316 CN201210006316 CN 201210006316 CN 201210006316 A CN201210006316 A CN 201210006316A CN 102590894 B CN102590894 B CN 102590894B
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Abstract
The invention relates to an automatic observation system for a runoff experimental station, and belongs to the technical field of water conservancy experiments. The system mainly comprises three parts, namely a hydrometeorological measurement instrument unit, a conversion module and a control server, wherein each part is connected through a signal wire; the measurement instrument unit is used for directly measuring hydrometeorological data such as rainfall, runoff and sand concentration, and outputs the data in a current or voltage form; the conversion module is used for converting an analogue signal such as current or voltage into a digital signal which can be identified by a computer and is consistent with an RS-232 communication protocol; and the control server is used for receiving and processing the signal output by the conversion module. The automation level of observation of each parameter in the runoff experimental station can be improved, data measurement stability can be ensured, and an effective technical platform can be provided for the query, utilization and sharing of data.
Description
Technical field
The invention belongs to water conservancy test field, the particularly automatic observing system of runoff testing station.
Background technology
Because the rainwash that rainfall forms is called water erosion to the erosion action that soil produces.Thereby water erosion is taken away a large amount of surface soils usually and is caused soil erosion.In the most of area of China, especially in the mountain area, the hilly country, water erosion is the main cause that causes soil erosion.In the area of a lot of severe water and soil erosion, in order to explore the soil erosion rule, the prophylactico-therapeutic measures of research soil erosion need be set up the runoff testing station in the locality, carries out site test observation.
Present runoff testing station continues to use traditional measuring method more rainfall, runoff, silt content and other hydrometeorological parameters are measured: rainfall is measured by rain gage; When runoff rate is measured, in the testing station, set up runoff observation pond, adopt the mode of mareograph or manual record that the waterlevel data in the runoff observation pond is gathered, volume-curves of water level and the SEA LEVEL VARIATION process by runoff observation pond converses runoff rate again; When measuring silt content, in runoff observation pond, water sand is carried out the potpourri sampling, silt content is carried out in the sample oven dry of gathering to be calculated, because workload is big and the field personnel is less, most runoffs testing station surveys a mean sediment concentration to many of a rainfall runoff process, does not have the silt content with the change procedure of runoff; Other are also mostly as hydrometeorological data such as temperature, evaporations to be to adopt manual record, republishes the storage of binding into book form.Because data observation needs a large amount of artificial participations, also to carry out the arrangement of data by the method for artificial reading even adopt the data of hydrograph and rain recorder record, the collection of data, read, transmission and the common efficient of storing process is lower, measures the fiduciary level instability.Therefore, need set up one and overlap the automatic observing system that is used for the runoff testing station, improve the automatization level of various parameter estimators in the runoff testing station, guarantee the stability of DATA REASONING, be inquiry, utilization and the shared technology platform that provides effect of data.
Summary of the invention
The objective of the invention is for overcoming the weak point of prior art, the automatic observing system of a kind of runoff testing station is proposed, can improve the automatization level of various parameter estimators in the runoff testing station, guarantee the stability of DATA REASONING, be inquiry, utilization and the shared technology platform that provides effect of data.
A kind of automatic observing system for the runoff testing station that the present invention proposes is characterized in that this system mainly comprises hydrometeorological surveying instrument group, modular converter and Control Server three parts; Connect by signal wire between the described each several part, wherein, the surveying instrument group is used for directly measuring rainfall, runoff, each hydrometeorological data of sediment concentration, and with the form output of these data with curtage; It is the discernible digital signal that satisfies the RS-232 communications protocol of computing machine that modular converter is used for analog signal conversion such as curtages; Control Server is used for the signal of modular converter output is received and handles.
Described hydrometeorological surveying instrument group mainly comprises a plurality of tipping-bucket rain-gauges, a plurality of electromagnetic flowmeters, a plurality of sediment concentration meters, wherein, tipping-bucket rain-gauge is used for measuring the amount of rainfall, and with the form of voltage with the output of rainfall amount data, electromagnetic flowmeter Yong Yu not measured run-off and sediment concentration with the sediment concentration score, and measured data is exported with the form of electric current; Described modular converter is mainly by a plurality of Pulse Electric pressure type analog-to-digital conversion modules, a plurality of current type analog-to-digital conversion modules and communications protocol modular converter are formed, wherein, Pulse Electric pressure type analog-to-digital conversion module input port is connected with each tipping-bucket rain-gauge respectively, and the voltage signal of tipping-bucket rain-gauge collection is converted to digital signal; The input port of current type analog-to-digital conversion module is connected with each electromagnetic flowmeter, each sediment concentration meter respectively, and the current signal of electromagnetic flowmeter and the collection of sediment concentration meter is converted to digital signal; The signal input part of each communications protocol modular converter is connected with each current type and Pulse Electric pressure type analog-to-digital conversion module output terminal, each communications protocol modular converter signal output part all is connected with Control Server, is converted to the RS-232 signal for the RS-485 format signal with current type and the output of Pulse Electric pressure type analog-to-digital conversion module and is input to Control Server.
Technical characterstic of the present invention and beneficial effect:
Characteristics of the present invention are to realize automatic management is carried out in collection, transmission, the storage of the every measurement index in the runoff testing station by the automatic observing system of a kind of runoff testing station, can realize round-the-clock uninterrupted, the high precision of data and the measurement of high time resolution, saved a large amount of hand labors, improved measurement efficient, guaranteed the stability of DATA REASONING, strengthen inquiry, utilization and the shared ability of data, had important production practical value and popularizing application prospect.
Description of drawings
Fig. 1 is a kind of automatic observing system structural representation for the runoff testing station of the present invention.
Embodiment
Below with reference to drawings and Examples a kind of automatic observing system for the runoff testing station of the present invention is elaborated.
The automatic observing system that is used for the runoff testing station that the present invention proposes is characterized in that this system mainly comprises hydrometeorological surveying instrument group, modular converter and Control Server three parts; Connect by signal wire between the each part mentioned above, wherein, the surveying instrument group is used for directly measuring rainfall, runoff, each hydrometeorological data of sediment concentration, and with the form output of these data with curtage; It is the discernible digital signal that satisfies the RS-232 communications protocol of computing machine that modular converter is used for analog signal conversion such as curtages; Control Server is used for the signal of modular converter output is received and handles.
Embodiment and the function of said apparatus each several part are respectively described below by reference to the accompanying drawings:
The embodiment general structure of the automatic checkout system that is used for the runoff testing station that the present invention proposes as shown in Figure 1, wherein hydrometeorological surveying instrument group 1 mainly comprises three tipping-bucket rain-gauge 5-1,5-2,5-3, two electromagnetic flowmeter 7-1,7-2, three sediment concentration meter 9-1,9-2,9-3, wherein, tipping-bucket rain-gauge 5-1,5-2,5-3 is arranged on the unscreened eminence in runoff testing station and is used for measuring the amount of rainfall, and with the form of voltage the rainfall amount data are exported, electromagnetic flowmeter 7-1,7-2 and sediment concentration meter 9-1,9-2,9-3 is installed in the runoff rate pipeline in the basin of observing and is respectively applied to measure run-off and sediment concentration, and with the form output of measured data with electric current.In the surveying instrument group 1, the model of various surveying instruments and quantity can be selected arbitrarily according to practical measurement requirement.The tipping-bucket rain-gauge that present embodiment is selected for use is SL3-1 type remote sensing rain sensor, each one of electromagnetic flowmeter DN20 and DN80 model; The model of sediment concentration meter is RS-1000, and each instrument can round-the-clockly uninterruptedly carry out record to hydrometeorological data.
Modular converter 2 of the present invention is mainly by Pulse Electric pressure type analog-to-digital conversion module 6-1,6-2,6-3, current type analog-to-digital conversion module 8-1,8-2,10-1,10-2,10-3 and communications protocol modular converter 3-1,3-2,3-3 form, wherein, Pulse Electric pressure type analog-to-digital conversion module 6-1,6-2,6-3 input port are connected with tipping-bucket rain-gauge 5-1,5-2,5-3 respectively, and the voltage signal that tipping-bucket rain-gauge 5-1,5-2,5-3 are gathered is converted to digital signal; Input port 8-1, the 8-2 of current type analog-to-digital conversion module is connected with electromagnetic flowmeter 7-1,7-2, and the current signal that electromagnetic flowmeter 7-1,7-2 are gathered is converted to digital signal; Input port 10-1, the 10-2 of current type analog-to-digital conversion module, 10-3 are connected with sediment concentration meter 9-1,9-2,9-3, and the current signal that sediment concentration meter 9-1,9-2,9-3 are gathered is converted to digital signal; The signal input part of communications protocol modular converter 3-1,3-2,3-3 is connected with each current type and Pulse Electric pressure type analog-to-digital conversion module output terminal, each communications protocol modular converter signal output part is connected with Control Server 4, and communications protocol modular converter 3-1,3-2,3-3 are used for the RS-485 format signal of current type and the output of Pulse Electric pressure type analog-to-digital conversion module is converted to the RS-232 signal.
The port number of current type or Pulse Electric pressure type analog-to-digital conversion module and a communications protocol modular converter is certain, so the usage quantity of each module should be determined jointly according to the platform number of the surveying instrument of the required setting in runoff testing station and the quantity of module port.In the present embodiment, adopted 5 BP7017 current type analog-to-digital conversion modules, 3 BP7052 Pulse Electric pressure type analog-to-digital conversion modules and 3 BP7520 communications protocol modular converters, the port number of each module is 8 passages.
The Control Server 4 of present embodiment is personal computer, because computing machine needs the round-the-clock data acquisition of uninterruptedly carrying out, convert, visual and the storage, its configuration should be satisfied cpu performance and be not less than the Intel Pentium 4 processor, internal memory is not less than 512M, mainboard outfit standard serial port board, operating system version is not less than Windows XP, control program is installed in the computing machine, functions of control program is for to read successively by serial ports of computers, conversion, visual and store each surveying instrument observation data, by repeating uninterruptedly to carry out the mentioned order process, can realize the round-the-clock uninterrupted storage of hydrometeorological data; Because computing machine is finished once single surveying instrument successively and is read, the time compole short (less than 1 second) of conversion, visual and storage operation, therefore, when one timing of surveying instrument number, the shortest time that computing machine is finished a cycling to all surveying instruments can be determined.Be example with the present embodiment, surveying instrument is total up to 8, so computing machine can obtain one group of data from each instrument every 20S, and namely data time resolution is 20S, and this is higher than the temporal resolution (hour magnitude) of manual measurement far away.
Claims (2)
1. an automatic observing system that is used for the runoff testing station is characterized in that this system mainly comprises hydrometeorological surveying instrument group, modular converter and Control Server three parts; Connect by signal wire between the described each several part, wherein, hydrometeorological surveying instrument group is used for directly measuring rainfall, runoff, each hydrometeorological data of sediment concentration, and with the form output of these data with curtage; It is the discernible digital signal that satisfies the RS-232 communications protocol of computing machine that modular converter is used for analog signal conversion such as curtages; Control Server is used for the signal of modular converter output is received and handles;
Described hydrometeorological surveying instrument group mainly comprises a plurality of tipping-bucket rain-gauges, a plurality of electromagnetic flowmeters, a plurality of sediment concentration meters, wherein, tipping-bucket rain-gauge is used for measuring the amount of rainfall, and with the form of voltage with the output of rainfall amount data, electromagnetic flowmeter Yong Yu not measured run-off and sediment concentration with the sediment concentration score, and measured data is exported with the form of electric current; Described modular converter is mainly by a plurality of Pulse Electric pressure type analog-to-digital conversion modules, a plurality of current type analog-to-digital conversion modules and communications protocol modular converter are formed, wherein, Pulse Electric pressure type analog-to-digital conversion module input port is connected with each tipping-bucket rain-gauge respectively, and the voltage signal of tipping-bucket rain-gauge collection is converted to digital signal; The input port of current type analog-to-digital conversion module is connected with each electromagnetic flowmeter, each sediment concentration meter respectively, and the current signal of electromagnetic flowmeter and the collection of sediment concentration meter is converted to digital signal; The signal input part of each communications protocol modular converter is connected with each current type and Pulse Electric pressure type analog-to-digital conversion module output terminal, each communications protocol modular converter signal output part all is connected with Control Server, is converted to the RS-232 signal for the RS-485 format signal with current type and the output of Pulse Electric pressure type analog-to-digital conversion module and is input to Control Server.
2. automatic checkout system as claimed in claim 1, it is characterized in that, described Control Server adopts personal computer, and its cpu performance is not less than Intel Pentium 4 processor, internal memory and is not less than 512M, mainboard outfit standard serial port board, operating system version and is not less than Windows XP; In this personal computer control program is installed, be used for by serial ports of computers read successively, conversion, the visual and observation data of storing each surveying instrument, by repeating uninterruptedly to carry out said process, realize the round-the-clock uninterrupted storage of hydrometeorological data.
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| CN 201210006316 CN102590894B (en) | 2012-01-10 | 2012-01-10 | Automatic observation system for runoff experimental station |
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| CN 201210006316 CN102590894B (en) | 2012-01-10 | 2012-01-10 | Automatic observation system for runoff experimental station |
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| CN102590894A CN102590894A (en) | 2012-07-18 |
| CN102590894B true CN102590894B (en) | 2013-08-21 |
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| CN110031183B (en) * | 2019-05-21 | 2024-02-13 | 水利部交通运输部国家能源局南京水利科学研究院 | Artificial river basin suitable for researching rainfall-layered runoff relationship |
| CN110445676B (en) * | 2019-07-23 | 2023-04-18 | 深圳和而泰智能控制股份有限公司 | Data monitoring system, method and device and computer readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2864818B2 (en) * | 1991-12-09 | 1999-03-08 | 株式会社明電舎 | Operation support equipment for rainwater discharge facilities |
| US6077423A (en) * | 1997-09-22 | 2000-06-20 | Swaf, Inc. | Combination above grade automatic stormwater separation filtration system and method of separation and filtration |
| CN1464300A (en) * | 2002-06-25 | 2003-12-31 | 中国农业大学 | Apparatus for continuous and automatic measurement of radial flow sediment content |
| CN102087126A (en) * | 2010-11-12 | 2011-06-08 | 西北农林科技大学 | Method for measuring flow and mud content of artificial rainfall runoff plot and control system |
| CN102305773A (en) * | 2011-08-26 | 2012-01-04 | 中国农业大学 | Runoff sediment combination sensor, sediment content measuring device and method |
-
2012
- 2012-01-10 CN CN 201210006316 patent/CN102590894B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2864818B2 (en) * | 1991-12-09 | 1999-03-08 | 株式会社明電舎 | Operation support equipment for rainwater discharge facilities |
| US6077423A (en) * | 1997-09-22 | 2000-06-20 | Swaf, Inc. | Combination above grade automatic stormwater separation filtration system and method of separation and filtration |
| CN1464300A (en) * | 2002-06-25 | 2003-12-31 | 中国农业大学 | Apparatus for continuous and automatic measurement of radial flow sediment content |
| CN102087126A (en) * | 2010-11-12 | 2011-06-08 | 西北农林科技大学 | Method for measuring flow and mud content of artificial rainfall runoff plot and control system |
| CN102305773A (en) * | 2011-08-26 | 2012-01-04 | 中国农业大学 | Runoff sediment combination sensor, sediment content measuring device and method |
Non-Patent Citations (1)
| Title |
|---|
| JP第2864818号B2 1999.03.08 |
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