CN204203682U - Hydrology Telemetric System data acquisition control device - Google Patents
Hydrology Telemetric System data acquisition control device Download PDFInfo
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- CN204203682U CN204203682U CN201420574833.4U CN201420574833U CN204203682U CN 204203682 U CN204203682 U CN 204203682U CN 201420574833 U CN201420574833 U CN 201420574833U CN 204203682 U CN204203682 U CN 204203682U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004148 unit process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The utility model relates to a kind of Hydrology Telemetric System data acquisition control device, comprise cabinet and be located at the telemetry system data acquiring control circuit in cabinet, telemetry system data acquiring control circuit comprises single machine unit, display unit, push-button unit, radio communication unit, ultrashort wave radio set unit, voltage detection unit, alarm unit and power supply unit, display unit, push-button unit, radio communication unit, ultrashort wave radio set unit, voltage detection unit and alarm unit are connected with single machine unit respectively, the input end of voltage detection unit is connected with power supply unit, radio communication unit and tipping-bucket rain-gauge and long distance water level recorder is wireless is connected, ultrashort wave radio set unit is connected with the telemetry station of far-end is wireless.The utility model greatly reduces line, and it is time saving and energy saving to install, and maintenance is convenient, reliable operation.Simultaneously can monitor electric power thus supplied, be convenient to the power-off of staff's Timeliness coverage or undertension phenomenon and deal with in time, guaranteeing to continue to monitor regimen.
Description
Technical field
The utility model relates to a kind of Hydrology Telemetric System data acquisition receiving equipment, particularly relates to a kind ofly to reduce line, Hydrology Telemetric System data acquisition control device easy for installation.
Background technology
Automatic Hydrological Telemetry System is that the advanced science and technologies such as set electron communication, computing machine, the hydrology, water conservancy and a remote measurement are in the multidisciplinary system engineering of one, it adopts advanced modern science and technology method to carry out Real-time Collection to hydrographic information (rainfall, water level etc.) and weather information (wind direction, temperature etc.), and the data of collection are transferred to central station through process, carry out forecasting, calculating in conjunction with professional hydrometeorological knowledge, provide and meet that river basin flood control is passed the flood period, water resource utilizes and the science decision scheme of other requirements of comprehensive utilization.Automatic Hydrological Telemetry System is the important content of Water Conservancy Information, and an important technology of Ye Shi hydraulic power plant Optimized Operation supports.Water regime monitoring equipment is the equipment for measuring water level, rainfall and other regimen meteorologic parameter, is generally arranged on reservoir or dyke, is in unmanned state.Hydrology Telemetric System data acquisition control device, want to be connected with the sensor of measurement water level, rainfall in front end, rear end and remote measurement central station computer (server) carry out communication.Current Hydrology Telemetric System data acquisition control device, general utility functions are single, only there is data receiver solution mediation communication function, do not possess data acquisition function, need in this locality to need corresponding survey station equipment is installed, when infield telemetry equipment is more when gathering water level rainfall information, when requirement completes multiple function, external equipment is many and random, easily data outage occurs, affects regimen security of system reliability service.In addition because water regime monitoring equipment is in unmanned state, its because of power-off or undertension and cisco unity malfunction time, relevant staff can not Timeliness coverage, usually affects continuing to monitor of regimen.
Summary of the invention
The utility model mainly solve sensor that hydrologic tele-metering central data collection point front end arranges more time, adopt telemetry station equipment too much, cause line various, install complicated and time-consuming, bring the technical matters of a lot of inconvenience to maintenance, a kind of Hydrology Telemetric System data acquisition control device is provided, carry out integrated and modular design, according to function needs, access equipment needed thereby, adopt public single machine unit and wireless communication unit, reach and simplify survey station equipment, it is connected with sensor wireless, survey station unit can be matched as required, solve the problem that original regimen system data acquisition functions of the equipments are single, telemetry station can be realized, the function of relay station and multi-channel data acquisition terminal, thus greatly reduce line, simplify and install, it is time saving and energy saving to install, and maintenance is also more convenient, work also more reliable.
The utility model solve simultaneously original water regime monitoring equipment because of power-off or undertension and cisco unity malfunction time, affect the technical matters continued to monitor of regimen; There is provided a kind of Hydrology Telemetric System data acquisition control device, it can monitor electric power thus supplied, is convenient to the power-off of staff's Timeliness coverage or undertension phenomenon, makes respective handling in time, guarantees to continue to monitor regimen.
The utility model also has an object to be to provide a kind of Hydrology Telemetric System data acquisition control device, improves its cabinet, is convenient to install and use on server rack.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model comprises cabinet and is located at the telemetry system data acquiring control circuit in cabinet, telemetry system data acquiring control circuit comprises single machine unit, display unit, push-button unit, radio communication unit and ultrashort wave radio set unit and provide the power supply unit of operating voltage for whole telemetry system data acquiring control circuit, described display unit, push-button unit, radio communication unit and ultrashort wave radio set unit are connected with described single machine unit respectively, described radio communication unit and tipping-bucket rain-gauge and long distance water level recorder is wireless is connected, ultrashort wave radio set unit is connected with the telemetry station of far-end is wireless.The utility model receives rainfall value and the water level value of local tipping-bucket rain-gauge and long distance water level recorder collection by radio communication unit, through single machine unit process, directly send to remote measurement central computer, without the need to survey station transmission, realize the warehouse-in process of telemetry system center to rainfall value and water level value.Be connected by wireless signal between the technical program and each telemetry station, receiving demodulation telemetry station data-signal, ensures that the process of hydrologic regime data multichannel stores.Radio communication unit can adopt radio communication, zigbee communication or GPRS communication isotype.The technical program greatly reduces line, and simplify and install, it is time saving and energy saving to install, and maintenance is also more convenient, works also more reliable.
As preferably, described Telemetry Data Acquisition module control circuit comprises timing unit, and timing unit is connected with described single machine unit.Realize timing from energy of reporting achievement, by push-button unit setting-up time, single machine unit is according to timing interval time set from reporting related data, and pure precipitation station presses rainfall from reporting data layout transmission, and gaging station or water level precipitation station are pressed water level and sent from report data layout.
As preferably, described push-button unit comprises the optimum configurations key be inlaid on described cabinet, function setting key, opens relaying key, closes relaying key, send key and talk key.By optimum configurations key, by manually putting several operation requirements, can insert corresponding acquisition time and hydrographic data, sending by fixing data layout, the number of manually putting of inserting has power-down protection, so that School Affairs amendment.By corresponding function key, station number, the aggregate-value of rainfall, the instantaneous value of water level at this station can be gone out by chinese disply.If enter, menu is set, can show further and revise following parameter: station number, rainfall, delayed, sampling interval, fixed time interval, rainfall resolution, survey station type, relaying HLA and relaying LLA etc. are set, two-stage arrangement menu can also be entered, can show further and revise following parameter: rainfall frame head, rainwater frame head, artificial frame head and leading time delay etc.Press out relaying key and close relaying key, correspondingly can send out open the order of relaying and pass relaying, to realize the conversion of relay station relays mode (regeneration and analog form).Whenever, as long as by send key, single machine unit just gathers the hydrographic information of our station immediately, sends.Click talk key, can be conversed by ultrashort wave radio set unit and remote measurement central station.
As preferably, described cabinet is embedded with four RS-232 interface, described single machine unit respectively with four RS-232 interface are connected, and four RS-232 interface are connected with four computing machines respectively by communication cable again.The rainfall value that single machine unit receives and water level value, through process, then send to computing machine by RS-232 interface, make four computing machines also can carry out remote monitoring to rainfall value and water level value.By RS232 mouth and central computer (server) communication, there is multiplex communication port, multiple stage computing machine can be connected.
As preferably, described power supply unit is by mains-supplied and/or battery-powered, described telemetry system data acquiring control circuit comprises voltage detection unit and alarm unit, the input end of voltage detection unit is connected with described power supply unit, and the output terminal of voltage detection unit and the input end of alarm unit are connected with described single machine unit respectively.When by mains-supplied, voltage detection unit detects the voltage at 12V place after power supply unit conversion; When powered by battery, voltage detection unit detects the cathode voltage of battery.When voltage is too low or be powering-off state time, single machine unit sends control signal startup alarm unit immediately and reports to the police, simultaneously send warning message to remote measurement central station, send warning message to computing machine by RS-232 interface by ultrashort wave radio set, be convenient to the power-off of staff's Timeliness coverage or undertension phenomenon, make respective handling in time, guarantee to continue to monitor regimen.
As preferably, described single machine unit comprises single-chip microcomputer U1 and peripheral circuit thereof, and described voltage detection unit comprises comparer U3, and described alarm unit comprises hummer BZ3; The in-phase input end of comparer U3 is connected with described power supply unit with the series circuit of resistance R2 through resistance R1, the tie point of resistance R1 and resistance R2 is through resistance R3 ground connection, the inverting input of comparer U3 is connected with the output terminal of comparer U3, the output terminal of comparer U3 is connected with the input end P6 of described single-chip microcomputer U1, the output terminal BEEP of single-chip microcomputer U1 is connected with the base stage of triode Q3 through resistance R4, the grounded collector of triode Q3, the emitter of triode Q3 is connected with the negative pole of hummer BZ3, and the positive pole of hummer BZ3 meets voltage A3V3.Adopt electric resistance partial pressure, gather the input voltage of power supply unit, comparer is connected into the mode of voltage follower, then is configured to the built-in ADC12 input channel of single-chip microcomputer.When microprocessor detect is to brownout, start buzzer warning.
As preferably, the left side of the front panel of described cabinet and right side are respectively provided with a mounting ear, mounting ear is provided with two mounting holes of vertically arrangement, liquid crystal display in described display unit, the button in push-button unit are inlaid on described front panel, and the power interface be connected with described power supply unit and the astronomical cycle that is connected with described ultrashort wave radio set unit are on the rear panel of cabinet.By being screwed into screw in the mounting hole on mounting ear, cabinet being installed on server rack, being convenient to the utility model and installing and using on server rack, meeting the user demand of most of user.
The beneficial effects of the utility model are: be connected by wireless signal with telemetry station, and do not need stube cable between local sensor and hydrologic tele-metering control device, directly connect into control device, greatly reduce line, it is time saving and energy saving to install, and maintenance is also more convenient, works more reliable.Can electric power thus supplied be monitored simultaneously, be convenient to the power-off of staff's Timeliness coverage or undertension phenomenon, make respective handling in time, guarantee to continue to monitor regimen.By improveing cabinet, the utility model can be installed and used on server rack, meet user's user demand.
Accompanying drawing explanation
Fig. 1 is a kind of circuit theory syndeton block diagram of the present utility model.
Fig. 2 is a kind of circuit theory diagrams of voltage detection unit and alarm unit in the utility model.
Fig. 3 is a kind of perspective view of the utility model cabinet.
Fig. 4 is the main TV structure schematic diagram of one of the utility model cabinet rear panel.
1. single machine unit, 2. display unit, 3. push-button unit, 4. radio communication unit in figure, 5. ultrashort wave radio set unit, 6. power supply unit, 7. timing unit, 8.RS-232 interface, 9. voltage detection unit, 10. alarm unit, 11. cabinets, 12. front panels, 13. mounting ears, 14. mounting holes, 15. power interfaces, 16. antennas, 17. rear panels, 18. liquid crystal displays, 19. buttons, 21. tipping-bucket rain-gauges, 22. long distance water level recorders, 23. telemetry stations, 24. computing machines.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the Hydrology Telemetric System data acquisition control device of the present embodiment, comprise cabinet 11 and be installed on the Telemetry Data Acquisition module control circuit in cabinet 11, as shown in Figure 1, Telemetry Data Acquisition module control circuit comprises single machine unit 1, display unit 2, push-button unit 3, radio communication unit 4, timing unit 7, voltage detection unit 9, alarm unit 10, ultrashort wave radio set unit 5 and four RS-232 interface 8 and provide the power supply unit 6 of operating voltage for whole Telemetry Data Acquisition module control circuit, display unit 2, push-button unit 3, radio communication unit 4, timing unit 7, alarm unit 10, ultrashort wave radio set unit 5 and four RS-232 interface 8 are connected with single machine unit 1 respectively, the input end of voltage detection unit 9 is connected with power supply unit 6, the output terminal of voltage detection unit 9 is connected with the input end of single machine unit 1.In the present embodiment, single machine unit 1 comprises single-chip microcomputer U1 and peripheral circuit thereof, and power supply unit 6 is not only battery-powered by mains-supplied, can automatically switch between the two, namely generally by mains-supplied, when civil power power-off, automatically switch to battery-powered.As shown in Figure 2, voltage detection unit 9 comprises comparer U3, and alarm unit 10 comprises hummer BZ3.The in-phase input end of comparer U3 is connected with the positive pole BAT of battery with the series circuit of resistance R2 through resistance R1, the tie point of resistance R1 and resistance R2 is through resistance R3 ground connection, the inverting input of comparer U3 is connected with the output terminal of comparer U3, the output terminal of comparer U3 is connected with the input end P6 of single-chip microcomputer U1, the output terminal BEEP of single-chip microcomputer U1 is connected with the base stage of triode Q3 through resistance R4, the grounded collector of triode Q3, the emitter of triode Q3 is connected with the negative pole of hummer BZ3, and the positive pole of hummer BZ3 meets voltage A3V3.As shown in Figure 3, respectively there is a mounting ear 13 on the left side of the front panel 12 of cabinet 11 and right side, mounting ear 13 has two mounting holes 14 of vertically arrangement, liquid crystal display 18 in display unit 2, the button 19 in push-button unit 3 are all inlaid on front panel 12, button 19 comprises optimum configurations key, function setting key, opens relaying key, closes relaying key, send key and talk key, as shown in Figure 4, the power interface 15 be connected with power supply unit 6 and the antenna 16 be connected with ultrashort wave radio set unit 5 are installed on the rear panel 17 of cabinet 11.Radio communication unit 4 can connect tipping-bucket rain-gauge 21 and long distance water level recorder 22, telemetry station 23 wireless telecommunications of ultrashort wave radio set unit 5 and far-end, and four RS-232 interface 8 are connected with four computing machines 24 respectively by communication cable.
Local tipping-bucket rain-gauge, long distance water level recorder gathers rainfall value and water level value respectively, and measured value is directly sent to Hydrology Telemetric System data acquisition control device, Hydrology Telemetric System data acquisition control device also receives rainfall value and the water level value of far-end telemetry station Wireless transceiver by radio communication unit, and flow to single machine unit, through single machine unit process, send to computing machine by RS-232 interface simultaneously, or the remote measurement central station of far-end is sent to by ultrashort wave radio set unit, make remote measurement central station computer can carry out remote monitoring and data processing to rainfall value and water level value.
Major function:
1, the resolution of tipping-bucket rain-gauge is 0.5mm or 1.0mm, and the tipping bucket of tipping-bucket rain-gauge often overturns once, and single machine unit is Auto-counting all, and when rainfall aggregate-value often increases 1mm, single machine unit just sends a secondary data by rainfall from the data layout of report.
2, single machine unit gathers water level value according to the interval time of setting, if waterlevel data changes, single machine unit is just pressed water level and sent once up-to-date waterlevel data from the data layout of report.
3, single machine unit is according to timing interval time of setting from reporting related data, and pure precipitation station is pressed rainfall and sent from report data layout, and gaging station or water level precipitation station are pressed water level and sent from report data layout.
4, automatically supply voltage is detected, when cell voltage is lower than 10.5 volts or when there is powering-off state, the data layout that single machine unit just presses voltage alarm sends primary voltage warning information, start alarm unit on the one hand and carry out buzzing warning, the telemetry station of the opposing party's computer-oriented and far-end sends warning message.
5, there is parameter display and function is set.By corresponding function key, station number, the aggregate-value of rainfall, the instantaneous value of water level at this station can be gone out by chinese disply.If enter, menu is set, can show further and revise following parameter: station number, rainfall, delayed, sampling interval, fixed time interval, rainfall resolution, survey station type, relaying HLA and relaying LLA etc. are set, two-stage arrangement menu can also be entered, can show further and revise following parameter: rainfall frame head, rainwater frame head, artificial frame head and leading time delay etc.
6, there is the function of transmit button relay commands.Press out relaying key and close relaying key, correspondingly can send out open the order of relaying and pass relaying, to realize the conversion of relay station relays mode (regeneration and analog form).
7, have and manually put several function.By manually putting several operation requirements, can insert corresponding acquisition time and hydrographic data, sending by fixing data layout, the number of manually putting of inserting has power-down protection, so that School Affairs amendment.
8, whenever, as long as by send key, single machine unit just gathers the hydrographic information of our station immediately, sends.
9, there is the full content of each data layout that display has sent, display display data content 20 seconds after each transmission, to check and verification.
10, there are all functions of the multi-system terminal:
(1) when being set to from report mode, it has all functions of self-reporting type's survey station;
(2) when being set to response mode, it has all functions of response formula survey station;
(3) when being set to hybrid survey station, it has all functions from reporting/replying compatible survey station;
(4) when being set to trunking scheme, it has all functions of regenerative relay station;
(5) when be set to relaying hold concurrently survey station time, it has the repertoire of regenerative repeating and survey station.
11, there is data hold function.After normal work, all data in machine all have power-off protection function.Maintenance whenever and power-off, all can not destroy and change original data, and the rainfall aggregate-value preserved in machine under any circumstance all cannot be revised.
12, there is call function.Click talk key, can be conversed by ultrashort wave radio set unit and remote measurement central station.
13, carry out process to all kinds of survey station signals received to be demodulated to and to meet RS232C standard signal simultaneously send to each communication interface, each computing machine that telemetry station is connected with center controller all can while receive data in parallel.
Claims (7)
1. a Hydrology Telemetric System data acquisition control device, it is characterized in that the Telemetry Data Acquisition module control circuit comprising cabinet (11) and be located in cabinet (11), Telemetry Data Acquisition module control circuit comprises single machine unit (1), display unit (2), push-button unit (3), radio communication unit (4) and ultrashort wave radio set unit (5) and provide the power supply unit (6) of operating voltage for whole Telemetry Data Acquisition module control circuit, described display unit (2), push-button unit (3), radio communication unit (4) and ultrashort wave radio set unit (5) are connected with described single machine unit (1) respectively, radio communication unit (4) and tipping-bucket rain-gauge (21) and long distance water level recorder (22) is wireless is connected, ultrashort wave radio set unit (5) is connected with the telemetry station (23) of far-end is wireless.
2. Hydrology Telemetric System data acquisition control device according to claim 1, it is characterized in that described Telemetry Data Acquisition module control circuit comprises timing unit (7), timing unit (7) is connected with described single machine unit (1).
3. Hydrology Telemetric System data acquisition control device according to claim 1, is characterized in that described push-button unit (3) comprises optimum configurations key, the function setting key be inlaid on described cabinet (11), opens relaying key, closes relaying key, send key and talk key.
4. the Hydrology Telemetric System data acquisition control device according to claim 1 or 2 or 3, it is characterized in that described cabinet (11) is embedded with four RS-232 interface (8), described single machine unit (1) respectively with four RS-232 interface (8) are connected, and four RS-232 interface (8) are connected with four computing machines (24) respectively by communication cable again.
5. the Hydrology Telemetric System data acquisition control device according to claim 1 or 2 or 3, it is characterized in that described power supply unit (6) is by mains-supplied and/or battery-powered, described Telemetry Data Acquisition module control circuit comprises voltage detection unit (9) and alarm unit (10), the input end of voltage detection unit (9) is connected with described power supply unit (6), and the output terminal of voltage detection unit (9) and the input end of alarm unit (10) are connected with described single machine unit (1) respectively.
6. Hydrology Telemetric System data acquisition control device according to claim 5, it is characterized in that described single machine unit (1) comprises single-chip microcomputer U1 and peripheral circuit thereof, described voltage detection unit (9) comprises comparer U3, and described alarm unit (10) comprises hummer BZ3; The in-phase input end of comparer U3 is connected with described power supply unit (6) with the series circuit of resistance R2 through resistance R1, the tie point of resistance R1 and resistance R2 is through resistance R3 ground connection, the inverting input of comparer U3 is connected with the output terminal of comparer U3, the output terminal of comparer U3 is connected with the input end P6 of described single-chip microcomputer U1, the output terminal BEEP of single-chip microcomputer U1 is connected with the base stage of triode Q3 through resistance R4, the grounded collector of triode Q3, the emitter of triode Q3 is connected with the negative pole of hummer BZ3, and the positive pole of hummer BZ3 meets voltage A3V3.
7. the Hydrology Telemetric System data acquisition control device according to claim 1 or 2 or 3, it is characterized in that left side and the right side of the front panel (12) of described cabinet (11) are respectively provided with a mounting ear (13), mounting ear (13) is provided with two mounting holes (14) of vertically arrangement, liquid crystal display in described display unit (2), button in push-button unit (3) is inlaid on described front panel (12), the power interface (15) be connected with described power supply unit (6) and the antenna (16) be connected with described ultrashort wave radio set unit (5) are arranged on the rear panel (17) of cabinet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420574833.4U CN204203682U (en) | 2014-09-30 | 2014-09-30 | Hydrology Telemetric System data acquisition control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420574833.4U CN204203682U (en) | 2014-09-30 | 2014-09-30 | Hydrology Telemetric System data acquisition control device |
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| CN204203682U true CN204203682U (en) | 2015-03-11 |
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| CN201420574833.4U Expired - Fee Related CN204203682U (en) | 2014-09-30 | 2014-09-30 | Hydrology Telemetric System data acquisition control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112445839A (en) * | 2020-11-09 | 2021-03-05 | 长江生态环保集团有限公司 | Data availability statistical method for automatic water regime measuring and reporting system |
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2014
- 2014-09-30 CN CN201420574833.4U patent/CN204203682U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112445839A (en) * | 2020-11-09 | 2021-03-05 | 长江生态环保集团有限公司 | Data availability statistical method for automatic water regime measuring and reporting system |
| CN112445839B (en) * | 2020-11-09 | 2023-09-19 | 长江生态环保集团有限公司 | Data availability statistical method for automatic water regime measuring and reporting system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20190930 |