CN201203456Y - Ground water dynamic automatic monitoring instrument - Google Patents
Ground water dynamic automatic monitoring instrument Download PDFInfo
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- CN201203456Y CN201203456Y CNU2008201086743U CN200820108674U CN201203456Y CN 201203456 Y CN201203456 Y CN 201203456Y CN U2008201086743 U CNU2008201086743 U CN U2008201086743U CN 200820108674 U CN200820108674 U CN 200820108674U CN 201203456 Y CN201203456 Y CN 201203456Y
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Abstract
The utility model discloses a ground water dynamic automatic monitor comprising a composite probe under water. The composite probe comprises a pressure sensor for measuring hydraulic pressure and a temperature sensor for measuring water temperature and is connected to a host computer above the water through a cable. The host computer includes a sealed case having an air pressure balance device for supplying atmospheric pressure for the pressure sensor and a data processing unit for receiving the measurement signals transmitted by the pressure sensor and the temperature sensor and processing the signals. The ground water dynamic automatic monitor of the utility model can realize unattended function during the measurement process through the automatic control of the host computer and has advantages of small size, low power consumption and installation cost, seal and moisture-proof. Thereby the demand for observing ground water level and water temperature outdoors for a long term is satisfied.
Description
Technical field
The utility model relates to a kind of monitoring equipment, relates in particular to a kind of groundwater dynamic automonitor.
Background technology
Along with the continuous development of automatic technology and the continuous deterioration of water resource environment, the groundwater level monitoring equipment that with the sensor is core technology is also in continuous development.The groundwater level monitoring equipment can obtain phreatic water level information by sensor, thereby makes people can accurately grasp the situation of change of groundwater resource.
In the prior art, be that the groundwater level monitoring equipment that water-level observation is popped one's head in develops very fast with the pressure transducer.Fig. 1 is the structural representation of groundwater level monitoring equipment in the prior art.As shown in Figure 1, this groundwater level monitoring equipment comprises pressure transducer 7, peripheral hosts 8 and the cable 3 that connects pressure transducer 7 and peripheral hosts 8, wherein pressure transducer 7 is positioned in the measuring well and places under water, and peripheral hosts 8 is positioned over the measurement outer wellhead.When carrying out surveying work, pressure transducer 7 is measured current hydraulic pressure, and send this hydraulic pressure information to peripheral hosts 8 by cable 3, peripheral hosts 8 is carried out EQUILIBRIUM CALCULATION FOR PROCESS with the hydraulic pressure information and the current external pressure that receive, can know current phreatic water level situation by result of calculation.
Find that this structure of prior art has certain defective in actual the use.At first, the volume of existing groundwater level monitoring equipment is bigger, and peripheral hosts need be placed on outside the measuring well, and must there be the safeguard measure of pair peripheral hosts at the scene, has therefore increased the cost of installation and use of this groundwater level monitoring equipment; Secondly, the pressure transducer of existing groundwater level monitoring equipment needs this pressure is returned to peripheral hosts after recording level pressure, by peripheral hosts this pressure and external pressure are carried out the balance computing and just can obtain groundwater level information, therefore also need to be equipped with the pressure transducer that another measures external pressure, increased system complexity; Have, existing groundwater level monitoring equipment adopts numeral to show again, artificial reading and recording does not possess full-automatic unmanned function on duty; Therefore at last, the Overall Power Consumption of this groundwater level monitoring equipment is bigger, and does not have sealed damp-proof, is not suitable for not having in the open air using in the long-term observation of alternating current.
The utility model content
The purpose of this utility model provides a kind of groundwater dynamic automonitor, effectively solves technological deficiencies such as existing groundwater dynamic automonitor cost of installation and use height, system complex, Overall Power Consumption are bigger.
For achieving the above object, the utility model provides a kind of groundwater dynamic automonitor, comprise the combined type probe that is positioned at water surface below, described combined type probe comprises the pressure transducer of measuring hydraulic pressure and the temperature sensor of measuring water temperature, described combined type probe is connected with the main frame that is positioned at water surface top by cable, described main frame comprises a closure casing, and being provided with in the described closure casing to described pressure transducer provides the air-pressure balancing device of atmospheric pressure and receive described pressure transducer and measuring-signal that temperature sensor sends and the data processing equipment of handling.
Described data processing equipment comprises from the signal receiving module of described pressure transducer and temperature sensor reception measuring-signal, described measuring-signal is handled the data processing module that obtains waterlevel data and water temperature data, store the data memory module of described waterlevel data and water temperature data, the communication interface modules that carries out data communication with outer computer, the battery module of power supply and the automatic control module of the above-mentioned module work of control are provided, described signal receiving module is connected with temperature sensor with pressure transducer in the described combined type probe, described data processing module is connected with described signal receiving module, described data memory module is connected with described data processing module, described communication interface modules is connected with described data memory module, described battery module is connected with above-mentioned module respectively with described automatic control module, and described battery module is connected with described automatic control module.
Described automatic control module comprises and carries out the timing unit that regularly is provided with and described signal receiving module, data processing module, data memory module, communication interface modules and battery module are carried out time-controlled control module that described timing unit is connected with described control module.
Described data processing module comprise to described measuring-signal carry out the amplifying unit of processing and amplifying and will amplify after measuring-signal be treated to the data processing unit of water temperature data and waterlevel data, described amplifying unit is connected with described signal receiving module.
Described air-pressure balancing device comprises the wireway that is arranged in the described cable and is used to respond to the air bag of atmospheric pressure, one end of described wireway is connected with pressure transducer in the described combined type probe, the other end is connected with described air bag, and described air bag is the semi-gas filled state, in be filled with dry air.
Described air sac sealing is socketed on the described air bag seat, and described wireway also is fixed on the described air bag seat, and insert in the described air bag its end.
Described air bag seat also is connected with the air bag sheath that is used to protect described air bag.
Described closure casing comprises casing, joint and urceolus, and described casing is set in the air-pressure balancing device outside, and described urceolus is set in the described main frame outside, and described joint is connected between casing and the urceolus.
The utility model provides a kind of groundwater dynamic automonitor, because employing is arranged on water surface top with main frame and volume is less, does not therefore need main frame is taked extra safeguard measure, has reduced the cost of installation and use of groundwater dynamic automonitor.Owing to adopted air-pressure balancing device, therefore do not need to be equipped with again the pressure transducer of extra measurement external pressure, reduced the complexity of groundwater dynamic automonitor.Owing to adopted automatic control module that the measuring operation of water temperature and hydraulic pressure is controlled automatically, so this groundwater dynamic automonitor also possesses full-automatic unmanned function on duty.Because main frame has adopted timing unit and control module that battery module is carried out timing and control, only in monitoring periods, provide power supply, so reduced the Overall Power Consumption of this groundwater dynamic automonitor for main frame and other parts.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of groundwater dynamic automonitor in the prior art;
Fig. 2 is the structural representation of the utility model groundwater dynamic automonitor;
Fig. 3 is the structural representation of the utility model data processing equipment;
Fig. 4 is the structural representation of the utility model data processing equipment specific embodiment;
Fig. 5 is the structural representation of the utility model air-pressure balancing device;
Fig. 6 is the concrete structure figure of the utility model groundwater dynamic automonitor host machine part.
Description of reference numerals:
1-probe; 2-main frame; 3-cable;
4-measuring well; 5-water surface; 7-pressure transducer;
8-peripheral hosts; 21-air-pressure balancing device; 22-data processing equipment;
24-hardware circuit; 25-battery; 26-casing;
27-joint; 28-urceolus; 31-wireway
211-air bag; 212-air bag sheath; 213-air bag seat
222-data processing module; 223-data memory module; 224-communication interface modules;
225-battery module; 226-automatic control module; 2221-amplifying unit;
2222-data processing unit; 2261-timing unit; 2262-control module.
Embodiment
Fig. 2 is the structural representation of the utility model groundwater dynamic automonitor.As shown in Figure 2, this monitoring equipment comprises combined type probe 1 and main frame 2, is connected by cable 3 between combined type probe 1 and the main frame 2.This combined type probe 1 comprises temperature sensor and pressure transducer, is arranged in the below of the water surface 5 of measuring well 4, can obtain measuring-signal under the control of main frame 2, and measuring-signal comprises hydraulic signal and water temperature signal; Main frame 2 is the closure casing structure, is provided with air-pressure balancing device 21 and data processing equipment 22 in the closure casing structure.Air-pressure balancing device 21 provides atmospheric pressure to pressure transducer, and data processing equipment 22 receives the measuring-signal that pressure transducers and temperature sensor send and also handles.
Particularly, pressure transducer and temperature sensor in the combined type probe 1 can record current hydraulic pressure and water temperature, this hydraulic pressure is the common pressure that forms of current level pressure and external pressure, be connected by the pressure transducer in the air-pressure balancing device in the main frame 2 21 and the combined type probe 1, air-pressure balancing device 21 can provide atmospheric pressure to the pressure transducer that combined type is popped one's head in 1, makes can the be eliminated hydraulic signal of atmospheric pressure influence of pressure transducer.Data processing equipment 22 can obtain water temperature signal and this hydraulic signal, and this hydraulic signal and water temperature signal handled, obtain corresponding waterlevel data and water temperature data, this waterlevel data is corresponding one by one with the groundwater level value, thereby reaches the purpose that phreatic water level and water temperature are monitored.Main frame 2 of the present utility model is the closure casing structure, can sealed damp-proof, and also volume is less, can directly be placed in the measuring well, and not need to use extra safeguard measure that measure field is protected, and has reduced the equipment installation cost; By adopting air-pressure balancing device 21 to make the pressure transducer in the combined type probe 1 directly obtain the hydraulic pressure data relevant with groundwater level, and do not need extra pressure transducer to remove to measure current atmospheric pressure, therefore also reduced the complexity of whole groundwater dynamic automonitor.
In summary, the utility model groundwater dynamic automonitor can have advantages such as volume is little, installation cost is low, and can sealed damp-proof, is with a wide range of applications.
Fig. 3 is the structural representation of the utility model data processing equipment.As shown in Figure 3, this data processing equipment 22 comprises signal receiving module 221, data processing module 222, data memory module 223, communication interface modules 224, battery module 225 and automatic control module 226.Particularly, the pressure transducer in signal receiving module 221 and the combined type probe 1 is connected with temperature sensor, is used to gather hydraulic signal and water temperature signal that pressure transducer and temperature sensor record.Data processing module 222 is connected with signal receiving module 221, can handle acquisition waterlevel data and water temperature data to this hydraulic signal and water temperature signal, data memory module 223 is connected with data processing module 222, be used for these waterlevel datas and water temperature data storage, in order to follow-up data statistics and analyzing and processing.Communication interface modules 224 is connected with data memory module 223, is used for carrying out data communication with outer computer, sends the water temperature data of storage and waterlevel data to outer computer and carries out statistical study and handle, and adjust as required related parameter is arranged.Battery module 225 and automatic control module 226 all are connected with above-mentioned each module, and battery module 225 also is connected with automatic control module 226 simultaneously.226 pairs of signal receiving modules 221 of automatic control module, data processing module 222, data memory module 223, communication interface modules 224 and battery module 225 are controlled automatically, monitoring periods is carried out timing controlled, and battery module 225 can dynamically provide power supply for these modules under the control of automatic control module 226.Part such as the clock in the automatic control module 226 to the long-term power supply of needs adopt long-term the power supply with the timing part, and can adopt the mode of only in monitoring periods, powering for sensor, signal receiving module 221, data processing module 222, data memory module 223 and the communication interface modules 224 in the combined type probe 1, save power consumption with this.Can adopt in actual applications+4.5V to the clock in the automatic control module 226 and regularly part power for a long time, and the bigger parts of other power consumption are only powered in monitoring periods.For example, suppose that monitoring periods is 50 seconds, then battery cuts off the part power supply after working 50 seconds.
In summary, the utility model is by the control to battery module, make battery module only in monitoring periods, provide power supply for signal receiving module, data processing module, data memory module and communication interface modules, and at non-monitoring periods internal cutting off power supply, therefore reduced the power consumption of groundwater dynamic automonitor, made the utility model be convenient to not have use under the situation of long-term power supply in the open air; By the automatic control of automatic control module to above-mentioned each module, can reach the unattended effect of observation process, and can also adjust monitoring periods as required voluntarily and transmit measurement data to outer computer by communication interface modules, therefore, make the easy to operate of this groundwater dynamic automonitor.
Fig. 4 is the structural representation of the utility model data processing equipment specific embodiment.As shown in Figure 4, this data processing module 222 can comprise amplifying unit 2221 and data processing unit 2222, and automatic control module 226 can comprise timing unit 2261 and control module 2262.Particularly, timing unit 2261 in the automatic control module 226 can carry out timing setting, when timing then, control module 2262 control signal receiver modules 221, data processing module 222 and data memory module 223 work, signal receiving module 221 receives hydraulic signal and the water temperature signal that combined type probe 1 sends, and sends to the amplifying unit 2221 in the data processing module 222; 2221 pairs of water temperature signals of amplifying unit and hydraulic signal carry out processing and amplifying, and data processing unit 2222 is handled calculating with water temperature signal after the processing and amplifying and hydraulic signal then, generate water temperature data and waterlevel data.Obtain after water temperature data and the waterlevel data, data memory module 223 can be stored this water temperature data and waterlevel data under the control of control module 2262.Simultaneously, can also obtain the date and time data of this measurement according to the clock of timing unit 2261, these date and time data also can deposit in the data memory module 223 in the lump.If this moment, data memory module 223 carried out other operation, then control module 2262 can carry out buffer memory with these data earlier, when receiving the signal that can store, control module 2262 deposits the measurement data of its buffer memory in the data memory module 223 in again.Control module 2262 is after timing unit 2261 sends the instruction of monitoring periods end, and promptly each functional module of may command quits work, and main frame 2 enters dormant state, waits for the arrival of monitoring periods next time.
The interface that communication interface modules 224 provides main frame 2 and outer computer to carry out data interaction, in monitoring periods, main frame 2 and outer computer can carry out data communication by communication interface modules 224.This communication interface modules 224 can use the RS232 serial ports that data memory module 223 and outer computer are coupled together.When this serial ports did not insert outer computer, with output low level, at this moment, data memory module 223 did not carry out data interaction with the outside in the communication interface modules 224; When communication interface modules 224 is connected with outer computer, its output will become high level, and this high level will cause that automatic control module 224 resets, and make main frame 2 enter the process of carrying out data interaction with outer computer.At this moment, data memory module 223 just can and be measured the date and time data the good water temperature data of storage, waterlevel data and all be transferred to outer computer, with convenient the data that collect is analyzed and is added up.Simultaneously, outer computer also can be reset the monitoring periods of timing unit 2261 as required, conveniently to obtain better monitoring effect.With outer computer finish communicate by letter after, main frame 2 enters dormant state, waits for groundwater level measuring operation next time.
In summary, timing unit in this data processing equipment can carry out the timing of monitoring periods as required, control module can be controlled automatically to the operation of each module in the data treating apparatus, by control to battery module, can also make battery module only in monitoring periods, provide power supply for signal receiving module, data processing module and communication interface modules, therefore reduced the power consumption of this groundwater dynamic automonitor, be convenient to not have in the open air use under the situation of long-term power supply; By the automatic control of control module to above-mentioned each module, can reach the unattended effect of observation process, and can also carry out data interaction with outer computer by communication interface modules, conveniently water temperature data and the waterlevel data that collects carried out the statistical study processing, can also adjust simultaneously the monitoring periods in the time block as required voluntarily, make the easy to operate of this groundwater dynamic automonitor.
Fig. 5 is the structural representation of the utility model air-pressure balancing device.As shown in Figure 5, this air-pressure balancing device 21 comprises wireway 31, air bag 211, air bag sheath 212 and air bag seat 213.Air bag 211 can be used for responding to atmospheric pressure, and air bag sheath 212 is arranged on air bag 211 outsides, can play a protective role to air bag 211.Air bag 211 and air bag sheath 212 all are fixed on the air bag seat 213, and wireway 31 is arranged in the cable 3, and an end of wireway 31 is communicated with the air pressure end of pressure transducer in the combined type probe, and the other end is fixed on the air bag seat 213 and inserts in the air bag 211.Air bag 211 is the semi-gas filled state, and partly there is dry air inside.
Particularly, wireway 31 is communicated with the air pressure of pressure transducer internal gas pressure end and the air pressure in the air bag 211, thereby makes external pressure act on the air pressure end of pressure transducer by air bag 211, makes the air pressure of pressure transducer air pressure end consistent with atmospheric pressure.Because what fill in the air bag 211 is dry air, so the gas of outside can not enter air bag inside, the moisture of outside can not enter pressure transducer inside by wireway 31 yet, thereby has eliminated the factor that influences the pressure survey accuracy.No matter external pressure becomes and greatly still diminishes, and can pass to the dry air of the inside by air bag 211, and dry air is passed to the air pressure end of pressure transducer by wireway 31, so has got rid of atmospheric influence in the measured hydraulic signal of pressure transducer.
Need increase the atmospheric pressure transducer of extra measurement with prior art and eliminate atmospheric method with the data that software calibrating (base measuring) pressure sensor is gathered and compare, air-pressure balancing device in the utility model groundwater dynamic automonitor has characteristics simple in structure, easy for installation.This air-pressure balancing device is simple in structure, need not the higher electron device of price, and required making starting material are general, so cheap.
Fig. 6 is the concrete structure figure of the utility model groundwater dynamic automonitor host machine part.The utility model main frame comprises air-pressure balancing device 21 and data processing equipment, comprises hardware circuit 24 and battery 25 in this data processing equipment.
The pressure transducer of air-pressure balancing device 21 in combined type probe 1 provides atmospheric pressure, makes pressure transducer directly obtain to remove the hydraulic signal of atmospheric pressure influence.Data processing equipment 22 can obtain water temperature signal and hydraulic signal, and this hydraulic signal and water temperature signal handled, obtain water temperature data and waterlevel data, this waterlevel data is corresponding one by one with the groundwater level value, thereby reaches the purpose that groundwater level and water temperature are monitored.Hardware circuit 24 comprises signal receiving circuit, data processing circuit, data storage circuitry, communication interface circuit and automatic control circuit, and entire circuit is by chip microcontroller.The structure of signal receiving circuit, data processing circuit, data storage circuitry, communication interface circuit and automatic control circuit is ditto described.This main frame 2 is the closure casing structure; comprise casing 26, joint 27 and urceolus 28; casing 26 is set in the outside of air-pressure balancing device 21; therefore can close and protect air-pressure balancing device 21; urceolus 28 is set in the outside of main frame 2, can guarantee that therefore whole main frame 2 for enclosed construction, makes main frame 2 can reach the effect of sealed damp-proof; therefore joint 27 is connected between casing 26 and the urceolus 28, the fixing relative position of casing 26 and urceolus 28.
The main frame of the utility model groundwater dynamic automonitor can be realized the unattended function of observation process by the control function of hardware circuit, and volume is less, can sealed damp-proof, power consumption and installation cost are low, can directly be placed in the measuring well, can satisfy the needs of open-air long-term observation groundwater level and water temperature.
It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (8)
1, a kind of groundwater dynamic automonitor, comprise the combined type probe that is positioned at water surface below, described combined type probe comprises the pressure transducer of measuring hydraulic pressure and the temperature sensor of measuring water temperature, it is characterized in that, described combined type probe is connected with the main frame that is positioned at water surface top by cable, described main frame comprises a closure casing, and being provided with in the described closure casing to described pressure transducer provides the air-pressure balancing device of atmospheric pressure and receive described pressure transducer and measuring-signal that temperature sensor sends and the data processing equipment of handling.
2, groundwater dynamic automonitor according to claim 1, it is characterized in that, described data processing equipment comprises from the signal receiving module of described pressure transducer and temperature sensor reception measuring-signal, described measuring-signal is handled the data processing module that obtains waterlevel data and water temperature data, store the data memory module of described waterlevel data and water temperature data, the communication interface modules that carries out data communication with outer computer, the battery module of power supply and the automatic control module of the above-mentioned module work of control are provided, described signal receiving module is connected with temperature sensor with pressure transducer in the described combined type probe, described data processing module is connected with described signal receiving module, described data memory module is connected with described data processing module, described communication interface modules is connected with described data memory module, described battery module is connected with above-mentioned module respectively with described automatic control module, and described battery module is connected with described automatic control module.
3, groundwater dynamic automonitor according to claim 2, it is characterized in that, described automatic control module comprises and carries out the timing unit that regularly is provided with and described signal receiving module, data processing module, data memory module, communication interface modules and battery module are carried out time-controlled control module that described timing unit is connected with described control module.
4, groundwater dynamic automonitor according to claim 2, it is characterized in that, described data processing module comprise to described measuring-signal carry out the amplifying unit of processing and amplifying and will amplify after measuring-signal be treated to the data processing unit of water temperature data and waterlevel data, described amplifying unit is connected with described signal receiving module.
5, groundwater dynamic automonitor according to claim 1, it is characterized in that, described air-pressure balancing device comprises the wireway that is arranged in the described cable and is used to respond to the air bag of atmospheric pressure, one end of described wireway is connected with pressure transducer in the described combined type probe, the other end is connected with described air bag, described air bag is the semi-gas filled state, in be filled with dry air.
6, groundwater dynamic automonitor according to claim 5 is characterized in that, described air sac sealing is socketed on the described air bag seat, and described wireway also is fixed on the described air bag seat, and insert in the described air bag its end.
7, groundwater dynamic automonitor according to claim 6 is characterized in that, described air bag seat also is connected with the air bag sheath that is used to protect described air bag.
8, according to the described groundwater dynamic automonitor of arbitrary claim in the claim 1～7, it is characterized in that, described closure casing comprises casing, joint and urceolus, described casing is set in the air-pressure balancing device outside, described urceolus is set in the described main frame outside, and described joint is connected between casing and the urceolus.
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| CNU2008201086743U CN201203456Y (en) | 2008-06-06 | 2008-06-06 | Ground water dynamic automatic monitoring instrument |
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| CNU2008201086743U CN201203456Y (en) | 2008-06-06 | 2008-06-06 | Ground water dynamic automatic monitoring instrument |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645288A (en) * | 2012-04-05 | 2012-08-22 | 同济大学 | Fast press-in type real-time deep underground water temperature monitoring device |
| CN102829838A (en) * | 2012-08-27 | 2012-12-19 | 中国农业科学院农业环境与可持续发展研究所 | Automatic recording instrument of underground water level |
| CN103438960A (en) * | 2013-08-27 | 2013-12-11 | 中绿环保科技股份有限公司 | Differential pressure type high sensitivity liquid level flow measuring device |
| CN103487089A (en) * | 2013-09-22 | 2014-01-01 | 中国地质调查局水文地质环境地质调查中心 | Device and method for transmitting remote data of water temperature of ground water level |
| CN103929483A (en) * | 2014-04-18 | 2014-07-16 | 中国地质调查局水文地质环境地质调查中心 | Automatic layering monitoring system for underground water |
| CN104697610A (en) * | 2015-03-09 | 2015-06-10 | 张遥远 | Liquid level detection system of liquid nitrogen container |
| CN105300443A (en) * | 2014-07-28 | 2016-02-03 | 江苏永盛流体科技有限公司 | Internet-of-thing underground water monitor |
| CN105738027A (en) * | 2014-12-07 | 2016-07-06 | 南京化工职业技术学院 | Water pressure detection instrument |
| CN106768164A (en) * | 2016-12-29 | 2017-05-31 | 重庆多邦科技股份有限公司 | A kind of electric water gauge |
| CN106768161A (en) * | 2016-11-11 | 2017-05-31 | 中国矿业大学(北京) | Underground water level measurement method |
| CN107576314A (en) * | 2017-09-27 | 2018-01-12 | 长江水利委员会长江科学院 | Float type depopulated zone rivers and lakes automatic monitoring system |
| CN107655542A (en) * | 2017-11-15 | 2018-02-02 | 泰州市泰港动力机械有限公司 | A kind of Industrial Waste Water Treatments Level monitor |
| CN107966177A (en) * | 2017-11-20 | 2018-04-27 | 惠州伊尚生活科技有限公司 | Portable electronic water-level water thermometer |
| CN108871492A (en) * | 2018-07-13 | 2018-11-23 | 贵阳博烁科技有限公司 | A kind of protective device |
| CN111521244A (en) * | 2020-05-27 | 2020-08-11 | 河海大学 | Liquid level difference detection device and flood early warning system |
| CN113252735A (en) * | 2021-05-17 | 2021-08-13 | 中国地质调查局水文地质环境地质调查中心 | Water quality layered monitoring system and method for underground water in polluted site |
| CN114295173A (en) * | 2021-12-15 | 2022-04-08 | 新疆维吾尔自治区水资源中心 | Surface runoff water quality sampling monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645288A (en) * | 2012-04-05 | 2012-08-22 | 同济大学 | Fast press-in type real-time deep underground water temperature monitoring device |
| CN102645288B (en) * | 2012-04-05 | 2014-03-05 | 同济大学 | Fast press-in type real-time deep underground water temperature monitoring device |
| CN102829838A (en) * | 2012-08-27 | 2012-12-19 | 中国农业科学院农业环境与可持续发展研究所 | Automatic recording instrument of underground water level |
| CN103438960A (en) * | 2013-08-27 | 2013-12-11 | 中绿环保科技股份有限公司 | Differential pressure type high sensitivity liquid level flow measuring device |
| CN103487089A (en) * | 2013-09-22 | 2014-01-01 | 中国地质调查局水文地质环境地质调查中心 | Device and method for transmitting remote data of water temperature of ground water level |
| CN103487089B (en) * | 2013-09-22 | 2015-10-07 | 中国地质调查局水文地质环境地质调查中心 | A kind of underground water table water temperature remote data transmission device and method |
| CN103929483A (en) * | 2014-04-18 | 2014-07-16 | 中国地质调查局水文地质环境地质调查中心 | Automatic layering monitoring system for underground water |
| CN103929483B (en) * | 2014-04-18 | 2018-09-21 | 中国地质调查局水文地质环境地质调查中心 | Underground water is layered automatic monitoring system |
| CN105300443A (en) * | 2014-07-28 | 2016-02-03 | 江苏永盛流体科技有限公司 | Internet-of-thing underground water monitor |
| CN105738027A (en) * | 2014-12-07 | 2016-07-06 | 南京化工职业技术学院 | Water pressure detection instrument |
| CN104697610B (en) * | 2015-03-09 | 2017-11-17 | 张遥远 | A kind of liquid nitrogen container fluid level detection system |
| CN104697610A (en) * | 2015-03-09 | 2015-06-10 | 张遥远 | Liquid level detection system of liquid nitrogen container |
| CN106768161B (en) * | 2016-11-11 | 2019-04-02 | 中国矿业大学(北京) | Underground water level measurement method |
| CN106768161A (en) * | 2016-11-11 | 2017-05-31 | 中国矿业大学(北京) | Underground water level measurement method |
| CN106768164A (en) * | 2016-12-29 | 2017-05-31 | 重庆多邦科技股份有限公司 | A kind of electric water gauge |
| CN107576314A (en) * | 2017-09-27 | 2018-01-12 | 长江水利委员会长江科学院 | Float type depopulated zone rivers and lakes automatic monitoring system |
| CN107655542A (en) * | 2017-11-15 | 2018-02-02 | 泰州市泰港动力机械有限公司 | A kind of Industrial Waste Water Treatments Level monitor |
| CN107966177A (en) * | 2017-11-20 | 2018-04-27 | 惠州伊尚生活科技有限公司 | Portable electronic water-level water thermometer |
| CN108871492A (en) * | 2018-07-13 | 2018-11-23 | 贵阳博烁科技有限公司 | A kind of protective device |
| CN108871492B (en) * | 2018-07-13 | 2020-10-02 | 贵阳博烁科技有限公司 | Protective device |
| CN111521244A (en) * | 2020-05-27 | 2020-08-11 | 河海大学 | Liquid level difference detection device and flood early warning system |
| CN113252735A (en) * | 2021-05-17 | 2021-08-13 | 中国地质调查局水文地质环境地质调查中心 | Water quality layered monitoring system and method for underground water in polluted site |
| CN113252735B (en) * | 2021-05-17 | 2022-06-10 | 中国地质调查局水文地质环境地质调查中心 | Water quality layered monitoring system and method for underground water in polluted site |
| CN114295173A (en) * | 2021-12-15 | 2022-04-08 | 新疆维吾尔自治区水资源中心 | Surface runoff water quality sampling monitoring device |
| CN114295173B (en) * | 2021-12-15 | 2024-04-19 | 新疆维吾尔自治区水资源中心 | Surface runoff water quality sampling monitoring device |
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