CN103217199A - Electricity-saving method for field underground water level monitoring system - Google Patents
Electricity-saving method for field underground water level monitoring system Download PDFInfo
- Publication number
- CN103217199A CN103217199A CN2013101552137A CN201310155213A CN103217199A CN 103217199 A CN103217199 A CN 103217199A CN 2013101552137 A CN2013101552137 A CN 2013101552137A CN 201310155213 A CN201310155213 A CN 201310155213A CN 103217199 A CN103217199 A CN 103217199A
- Authority
- CN
- China
- Prior art keywords
- underground water
- supervisory system
- water table
- communication module
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to an electricity-saving method for a field underground water level monitoring system. The electricity-saving method includes the steps that the monitoring system is set to be four different working models according to a cumulative amount of change of underground water levels in each time period, when the cumulative amount of change of the underground water levels is greater than an alarm value, the monitoring system enters a common model, and parts in the system are all opened; when the cumulative amount of change of the underground water levels is located between a critical alarm value and the alarm value, the monitoring system enters an off-line model, and only a communication module is closed; when the cumulative amount of change of the underground water levels is located between a dormancy value and the critical alarm value, the monitoring system enters a standby model, and only a central processing unit (CPU) and the communication module are opened; when the cumulative amount of change of the underground water levels is smaller than the dormancy value, the monitoring system enters a dormancy model, and only a clock and an activating circuit are opened. The electricity-saving method for the field underground water level monitoring system has the advantages that the underground water levels can be automatically monitored and can be transmitted to a remote server in a wireless mode, and a user can visit the remote server through a remote system management platform and looks up monitoring data. In addition, the monitoring system can be automatically switched to the corresponding working models so as to achieve the purpose of saving electricity, the use time of a device can be prolonged, and waste of labor and material resources for replacement of batteries can be saved.
Description
Technical field
The invention belongs to water level automatic monitoring field, be specifically related to a kind of power-saving method that is used for open-air underground water table supervisory system.
Background technology
Because underground water is an importance that influences environment for human survival, also more and more be subject to people's attention for the monitoring of the various data of underground water.Want to monitor all sidedly the variation of groundwater level in a city, must be according to the geologic structure in this city, in the scope of citywide, choose several typical underground water table observation stations widely, in each observation station one or several underground water table inspection wells are set then, are used to measure the data of the underground water table of Different Strata.
The classic method of monitoring underground water table adopts the manual measurement collection to realize, because it is far apart between each observation station, therefore and the inspection well One's name is legion adopts the way efficient of manual measurement collection lower, measuring period is long, measuring accuracy is lower and expend lot of manpower and material resources.
Along with development of science and technology, in order to satisfy the requirement of city, alleviate the workload of survey crew, a lot of now local variations of all monitoring underground water table in the mode of progressively trial robotization to water level monitoring.But because inspection well all is arranged on open air or even field, therefore can't be the monitoring instrument power supply by supply line, must use battery to power as monitoring instrument, when this monitoring instrument when not adopting power-saving measures, the accumulator of its interior 50AH approximately available about 42 days, each first quarter moon of monitoring instrument just needs to safeguard once that this means the city that is provided with hundreds and thousands of inspection wells for, monitoring personnel's workload will be very huge still.
For the service time of realizing that monitoring instrument is longer, some monitoring unit has installed solar power supply apparatus additional to realize sustainable power supply on monitoring instrument, the shortcoming of this kind set-up mode is that solar power supply apparatus is subject to weather effect, power supply is unstable, cost is higher, therefore and be not suitable for large-scale application and solar power supply apparatus is exposed on the ground more stolen.Also the monitoring unit that has reaches the purpose of economize on electricity by the monitoring frequency that reduces monitoring instrument every day, as monitoring every day 2 times, the shortcoming of this kind battery saving mode is simply to define the frequency of monitoring, can't adapt to WATER LEVEL CHANGES such as rainy season situation more faster, provide the real-time and effective Monitoring Data to take effective counter-measure therefore can't for the monitoring unit.
Therefore those skilled in the art is badly in need of a kind of intelligent power-saving method that is used for open-air underground water table supervisory system, when reaching the automatic monitoring purpose, can also prolong the service time of equipment, saves the man power and material who changes battery.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of power-saving method that is used for open-air underground water table supervisory system is provided, this power-saving method is set at described supervisory system has four kinds of different mode of operations, be general mode, off-line mode, standby mode and park mode, and regulate this supervisory system automatically according to the accumulative total variable quantity of this place's underground water table in previous time period and enter corresponding mode of operation, each mode of operation by the closed portion parts to reach the purpose of economize on electricity.
The object of the invention realizes being finished by following technical scheme:
A kind of power-saving method that is used for open-air underground water table supervisory system, described supervisory system comprises the water level gauge that connects in turn, data acquisition unit, remote server and remote system administration platform, described water level gauge is arranged in the underground inspection well, it is characterized in that described data acquisition unit is by CPU, clock, active circuit, communication module and power module constitute, described power module connects described CPU and communication module to realize the power supply to both, described CPU in turn with described clock, active circuit and communication module connect, the power-saving method of described supervisory system comprises the steps: that at least described monitoring system measures underground water table by described water level gauge by certain frequency, and by described communication module in real time to described remote server wireless transmission Monitoring Data, described CPU will calculate the accumulative total variable quantity of the described underground water table in this time period every a time period;
Dormancy value, threshold alarm value and warning value are set in described data acquisition unit; If the accumulative total variable quantity of this place's underground water table in the described time period is greater than warning value, then described supervisory system enters normal mode operation, and promptly each parts all is in normal operating conditions in it; If when the accumulative total variable quantity of this place's underground water table in the described time period was between threshold alarm value and the warning value, then described supervisory system entered off-line mode work, i.e. the equal operate as normal of all the other each parts except that closing described communication module; When if the accumulative total variable quantity of this place's underground water table in the described time period is between dormancy value and the threshold alarm value, then described supervisory system enters standby mode work, promptly all the other each parts all are in closed condition except that described CPU and communication module operate as normal, but the steering order that the described remote server of described communication module real-time response sends; If the accumulative total variable quantity of this place's underground water table in the described time period is in dormancy value or dormancy value when following, then described supervisory system enters park mode, promptly all the other each parts all are in closed condition except that described clock and active circuit operate as normal, described active circuit can wake the remaining part in the described supervisory system up after the some hrs of setting, and carry out once more water table measure and and described remote server between interworking.
The described time period can be one hour; Described dormancy value is 10mm, and described threshold alarm value is that the described warning value of 30mm is 50mm.
The shared time period of described park mode is no more than one hour.
When described supervisory system is in the course of work of general mode or off-line mode, described CPU calculates the accumulative total variable quantity of this place's underground water table in the described time period in real time, and switches in the corresponding work mode according to the described monitoring system of the automatic adjustment of the size of described accumulative total variable quantity.
Be provided with an energy supply control module between described power module and the described communication module, described energy supply control module is in order to close the power supply of described communication module when described supervisory system enters described off-line mode or park mode.
Advantage of the present invention is, this supervisory system can be monitored underground water table automatically and is wirelessly transmitted to remote server, and the user also can pass through remote system administration platform access remote server, checks Monitoring Data; This supervisory system is provided with four kinds of different mode of operations according to the accumulative total variable quantity of underground water table in each time period in addition, and wherein off-line mode has been closed communication module, and power consumption is higher, can open communication module and remote server at any time and carry out alternately; Standby mode is only opened CPU and communication module, and power consumption is medium, can respond the instruction of remote server at any time; And park mode is only opened clock and active circuit, and power consumption is lower, and the cycle of response remote server is longer; Whole monitoring system economize on electricity power consumption is few, can prolong the service time of equipment, saves man power and material's waste of changing battery; And the less cost of equipment volume is low, is convenient for carrying.
Description of drawings
Fig. 1 is the structural representation of underground water table supervisory system among the present invention;
Fig. 2 is the structural representation of data acquisition unit among the present invention;
Fig. 3 is the principle of work synoptic diagram of supervisory system power-saving method among the present invention.
Embodiment
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
As Fig. 1-3, mark 1-5 is respectively among the figure: water level gauge 1, data acquisition unit 2, remote server 3, terminal 4, power module 5.
Embodiment: as shown in Figure 1, present embodiment is specifically related to a kind of power-saving method that is used for open-air underground water table supervisory system, this supervisory system mainly comprises water level gauge 1, data acquisition unit 2, remote server 3 and remote system administration platform, water level gauge 1 specifically is arranged in the underground inspection well, data acquisition unit 2 is arranged at equally in the underground inspection well and with water level gauge 1 and links to each other, data acquisition unit 2 also is connected by wireless network with remote server 3, be used for to its wireless transmission Monitoring Data and receive its steering order, remote server 3 is arranged in the master control room, the remote system administration platform is installed thereon, the Monitoring Data that data acquisition unit 2 sends can be set up database and webpage, the staff can be by using desktop computer, mobile phone, panel computers etc. have the terminal 4 of browser and Internet access capability, at any time on the system management platform that signs in to remote server 3, check up-to-date measurement result and it is managed.
As shown in Figure 1, 2, data acquisition unit 2 mainly is made up of CPU, communication module and power module, CPU links to each other with communication module, power module links to each other with CPU and communication module respectively and is used for to both power supplies, in order effectively to control the electricity consumption situation of communication module, be provided with an energy supply control module between power module and communication module, this energy supply control module can be turned off the power supply of communication module fully.CPU has powerful data-handling capacity, can carry out localization process to the water table measure data that water level gauge 1 is gathered and calculate, and the data after handling through it can upload to remote server 3 in real time by communication module; Communication module is specially a GSM/GPRS double frequency module, can set up real-time wireless connections and mutual by wireless network and remote server 3.Wherein also be provided with clock and active circuit in data acquisition unit 2, both all are connected with CPU for this, and after CPU closed, by the timing of clock and the effect of active circuit, the CPU circuit that can be activated after the some hrs of setting woke up.
In order to make this be arranged at the longer time of power module work of open-air underground water table supervisory system, reach the purpose of economize on electricity, we are provided with three key values in data acquisition unit 2, be respectively the dormancy value of 10mm, the threshold alarm value of 50mm and the warning value of 100mm; Given four kinds of different mode of operations of this supervisory system (supervisory system of indication does not comprise remote server 3 and remote system administration platform, because the two is by mains-supplied) simultaneously herein, the concrete agree as follows of the definition of each mode of operation:
1. normal mode of operation: when supervisory system is in normal mode of operation, each parts is all opened and is in the real-time working state in it, be the equal operate as normal of water level gauge, CPU, communication module, energy supply control module, clock and active circuit, this moment, the power consumption of supervisory system was the highest;
2. pattern works offline: when supervisory system is in when working offline pattern, it is interior except that communication module is closed, remaining part all is in the real-time working state, be that communication module is closed outage fully through energy supply control module, and the equal operate as normal of water level gauge, CPU, clock and active circuit, this moment, the power consumption of supervisory system decreased compared to normal mode of operation;
3. stand-by operation pattern: when supervisory system is in the stand-by operation pattern, in it except that CPU and communication module maintenance work all the other each parts all be in closed condition, be CPU, communication module and energy supply control module operate as normal, and water level gauge, clock and active circuit are all closed, this moment, the power consumption of supervisory system was medium, decreased once more with respect to off-line mode;
4. dormancy mode of operation: when supervisory system is in the dormancy mode of operation, have only clock and active circuit maintenance work in it, and water level gauge, CPU, communication module and energy supply control module are closed all, supervisory system is least in power-consuming at this moment.
As shown in Figure 1, 2, 3, the power-saving method that is used for open-air underground water table supervisory system specifically may further comprise the steps:
A. at first, the initial operation mode of this supervisory system is a general mode, and each parts is all in running order in it, water level gauge 1 is measured this place's underground water table by certain frequency, can be 5 seconds once, also can be one minute once, specifically decide on this place's actual water level situation; CPU handles measured underground water table data, pass through the communication module Monitoring Data after remote server 3 wireless transmission are handled in real time simultaneously, and this CPU calculated once this underground water table that is in previous hour and adds up variable quantity every one hour, also can calculate this underground water table that is in previous hour in real time and add up variable quantity, CPU judges according to the underground water table accumulative total variable quantity in last hour which kind of corresponding mode of operation is this supervisory system should enter afterwards;
B. if the underground water table accumulative total variable quantity of this place in last hour during greater than warning value 100mm, illustrate that then this place's WATER LEVEL CHANGES is bigger, there is potential safety hazard, need monitoring in real time, therefore this supervisory system continues to keep normal mode operation, CPU still calculates the underground water table accumulative total variable quantity in last hour in real time, when the accumulative total variable quantity in last hour during no longer greater than warning value, then the instruction of being sent of control or the remote server 3 of supervisory system by CPU changes corresponding work mode automatically over to;
C. if the underground water table in last hour of this place is when totally variable quantity is between threshold alarm value 50mm and the warning value 100mm, illustrate that then this place's WATER LEVEL CHANGES alleviates to some extent but still have certain potential safety hazard, need monitoring in real time, therefore this supervisory system changes off-line mode over to, through energy supply control module closed communication module, all the other each parts continue operate as normal; This moment, water level gauge 1 was still measured this place's underground water table by certain frequency, carry out data processing and calculating through CPU, CPU judges the underground water table accumulative total variable quantity in its previous hour more afterwards, if when the accumulative total variable quantity no longer was in the scope between threshold alarm value and the warning value, then supervisory system changed corresponding work mode over to automatically by the control of CPU; Be in the underground water table information that off-line mode monitored during this period of time in supervisory system and all be stored in the CPU temporarily, treat that communication module uploads with remote server 3 Shi Zaihang that connects once more;
D. if the underground water table in last hour of this place is when totally variable quantity is between dormancy value 10mm and the threshold alarm value 50mm, illustrate that then this place's WATER LEVEL CHANGES is in the normal level scope, need not to measure in real time monitoring, but need keep connecting in real time with remote server 3, therefore this supervisory system changes standby mode over to, except that CPU and communication module maintenance duty, all the other each parts are all closed, water level gauge 1 is not being measured yet, but communication module real-time response remote server 3 steering order of being sent wherein, remote server 3 can roughly be judged the WATER LEVEL CHANGES at this place according to the underground water table information near other the underground inspection wells the hydrometeorological information of locality or this place, and CPU can change corresponding work mode over to automatically according to the steering order control supervisory system that remote server 3 is sent;
E. if the underground water table in last hour of this place totally variable quantity be in dormancy value 10mm or when following, the basic no change of this place's underground water table then is described, need not to measure in real time monitoring, or keep in real time being connected with remote server 3, therefore this supervisory system changes park mode over to, except that clock and active circuit maintenance work, all the other each parts are all closed, supervisory system is waken up can set some hrs before changing park mode over to after automatically, absolute validity in order to ensure the monitoring of supervisory system, automatically wake up after being generally 1 hour, supervisory system changes normal mode operation once more over to after wake up, carry out water table measure and and remote server 3 between interworking.
Below be the concrete advantage of present embodiment:
1. measure in real time, data report at any time: the measurement of data adopts the mode of robotization to carry out, and can carry out the measurement of data at any time, can at once measurement result be reported to remote server after the measurement, so just can see measurement result timely.
2. Long-distance Control measuring period: measuring period can be according to the situation at scene, adjusting at the remote server end at any time.
3. check measurement result at any time: the use desktop computer that the staff can pass through, mobile phone, panel computer etc. have the equipment of browser and Internet access capability, and up-to-date measurement result is checked in signing in on the remote server at any time.
4. equipment volume is little, in light weight: data acquisition unit connects the function that water level gauge is responsible for level measuring and data transmission, but very little of its volume is suitable with common cigarette case, facilitates like this and carries and install, good concealment.
5. low-power consumption, stand-by time is long: because the water level well can't provide mains-supplied, can only adopt powered battery.Therefore whole collector adopts low power dissipation design, the stand-by time that as far as possible prolongs equipment, the replacement cycle of increase battery; Present system, under the normal situation about using, battery can use the time about 4 months to half a year.
6. measuring accuracy height: because whole measurement adopts instrument to measure automatically, so the measuring accuracy height, there is not manually-injected error; Do not worry each measuring the interference that is subjected to artifact, and the measuring accuracy of water level gauge is also far above the result of manual measurement.
7. cost is low: the collector height is integrated, and its core is a single-chip microcomputer and a GPRS module, and peripheral chip seldom; Therefore when having higher reliability, can reduce cost greatly.
Claims (5)
1. power-saving method that is used for open-air underground water table supervisory system, described supervisory system comprises the water level gauge that connects in turn, data acquisition unit, remote server and remote system administration platform, described water level gauge is arranged in the underground inspection well, it is characterized in that described data acquisition unit is by CPU, clock, active circuit, communication module and power module constitute, described power module connects described CPU and communication module to realize the power supply to both, described CPU in turn with described clock, active circuit and communication module connect, the power-saving method of described supervisory system comprises the steps: that at least described monitoring system measures underground water table by described water level gauge by certain frequency, and by described communication module in real time to described remote server wireless transmission Monitoring Data, described CPU will calculate the accumulative total variable quantity of the described underground water table in this time period every a time period; Dormancy value, threshold alarm value and warning value are set in described data acquisition unit; If the accumulative total variable quantity of this place's underground water table in the described time period is greater than warning value, then described supervisory system enters normal mode operation, and promptly each parts all is in normal operating conditions in it; If when the accumulative total variable quantity of this place's underground water table in the described time period was between threshold alarm value and the warning value, then described supervisory system entered off-line mode work, i.e. the equal operate as normal of all the other each parts except that closing described communication module; When if the accumulative total variable quantity of this place's underground water table in the described time period is between dormancy value and the threshold alarm value, then described supervisory system enters standby mode work, promptly all the other each parts all are in closed condition except that described CPU and communication module operate as normal, but the steering order that the described remote server of described communication module real-time response sends; If the accumulative total variable quantity of this place's underground water table in the described time period is in dormancy value or dormancy value when following, then described supervisory system enters park mode, promptly all the other each parts all are in closed condition except that described clock and active circuit operate as normal, described active circuit can wake the remaining part in the described supervisory system up after the some hrs of setting, and carry out once more water table measure and and described remote server between interworking.
2. a kind of power-saving method that is used for open-air underground water table supervisory system according to claim 1 is characterized in that the described time period can be one hour; Described dormancy value is 10mm, and described threshold alarm value is that the described warning value of 50mm is 100mm.
3. a kind of power-saving method that is used for open-air underground water table supervisory system according to claim 1 is characterized in that the shared time period of described park mode is no more than one hour.
4. a kind of power-saving method that is used for open-air underground water table supervisory system according to claim 1, it is characterized in that when described supervisory system is in the course of work of general mode or off-line mode, described CPU calculates the accumulative total variable quantity of this place's underground water table in the described time period in real time, and switches in the corresponding work mode according to the described monitoring system of the automatic adjustment of the size of described accumulative total variable quantity.
5. a kind of power-saving method that is used for open-air underground water table supervisory system according to claim 1, it is characterized in that being provided with an energy supply control module between described power module and the described communication module, described energy supply control module is in order to close the power supply of described communication module when described supervisory system enters described off-line mode or park mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155213.7A CN103217199B (en) | 2013-04-30 | 2013-04-30 | A kind of power-saving method of the level of ground water monitoring system for field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155213.7A CN103217199B (en) | 2013-04-30 | 2013-04-30 | A kind of power-saving method of the level of ground water monitoring system for field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103217199A true CN103217199A (en) | 2013-07-24 |
| CN103217199B CN103217199B (en) | 2016-05-11 |
Family
ID=48815194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310155213.7A Active CN103217199B (en) | 2013-04-30 | 2013-04-30 | A kind of power-saving method of the level of ground water monitoring system for field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103217199B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840301A (en) * | 2016-12-20 | 2017-06-13 | 江西飞尚科技有限公司 | A kind of novel intelligent water level on-line monitoring method |
| CN108180962A (en) * | 2018-01-04 | 2018-06-19 | 河北绿源地热能开发有限公司 | A kind of hydrostatic position monitoring method under high temperature geothermal well river channels |
| CN108917880A (en) * | 2018-09-12 | 2018-11-30 | 河北工业大学 | A kind of deep basal pit level of ground water remote supervision system |
| CN110650449A (en) * | 2018-06-26 | 2020-01-03 | 力信通控股私人有限公司 | Monitoring device and system |
| CN113253644A (en) * | 2021-05-12 | 2021-08-13 | 江南造船(集团)有限责任公司 | Equipment working mode switching method, micro-control device and ship positioning system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324987A (en) * | 2008-03-05 | 2008-12-17 | 中科院嘉兴中心微系统所分中心 | Wireless sensor network apparatus for underwater information acquisition and implementing method thereof |
| CN101509799A (en) * | 2009-03-27 | 2009-08-19 | 上海达华测绘有限公司 | Sea level communication system |
| CN201463979U (en) * | 2009-07-10 | 2010-05-12 | 彭博 | Wireless remote measurement transceiver of water level |
| CN101762624A (en) * | 2008-12-25 | 2010-06-30 | 同济大学 | Water regime monitoring system based on wireless sensor network |
| US20100169398A1 (en) * | 2008-11-19 | 2010-07-01 | Vega Grieshaber Kg | Method and apparatus having a measured value input for applying a measured value |
| CN101975602A (en) * | 2010-11-16 | 2011-02-16 | 华北有色工程勘察院有限公司 | Wireless remote automatic monitoring method for water level |
| CN202614323U (en) * | 2012-05-10 | 2012-12-19 | 黑龙江省科学院自动化研究所 | Hydrology telemetering terminal based on network transmission technology |
-
2013
- 2013-04-30 CN CN201310155213.7A patent/CN103217199B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324987A (en) * | 2008-03-05 | 2008-12-17 | 中科院嘉兴中心微系统所分中心 | Wireless sensor network apparatus for underwater information acquisition and implementing method thereof |
| US20100169398A1 (en) * | 2008-11-19 | 2010-07-01 | Vega Grieshaber Kg | Method and apparatus having a measured value input for applying a measured value |
| CN101762624A (en) * | 2008-12-25 | 2010-06-30 | 同济大学 | Water regime monitoring system based on wireless sensor network |
| CN101509799A (en) * | 2009-03-27 | 2009-08-19 | 上海达华测绘有限公司 | Sea level communication system |
| CN201463979U (en) * | 2009-07-10 | 2010-05-12 | 彭博 | Wireless remote measurement transceiver of water level |
| CN101975602A (en) * | 2010-11-16 | 2011-02-16 | 华北有色工程勘察院有限公司 | Wireless remote automatic monitoring method for water level |
| CN202614323U (en) * | 2012-05-10 | 2012-12-19 | 黑龙江省科学院自动化研究所 | Hydrology telemetering terminal based on network transmission technology |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840301A (en) * | 2016-12-20 | 2017-06-13 | 江西飞尚科技有限公司 | A kind of novel intelligent water level on-line monitoring method |
| CN108180962A (en) * | 2018-01-04 | 2018-06-19 | 河北绿源地热能开发有限公司 | A kind of hydrostatic position monitoring method under high temperature geothermal well river channels |
| CN110650449A (en) * | 2018-06-26 | 2020-01-03 | 力信通控股私人有限公司 | Monitoring device and system |
| CN108917880A (en) * | 2018-09-12 | 2018-11-30 | 河北工业大学 | A kind of deep basal pit level of ground water remote supervision system |
| CN113253644A (en) * | 2021-05-12 | 2021-08-13 | 江南造船(集团)有限责任公司 | Equipment working mode switching method, micro-control device and ship positioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103217199B (en) | 2016-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103149904B (en) | Intelligent device and intelligent method for early warning and monitoring of power plant geological disasters based on Internet of Things technology | |
| CN205608502U (en) | Wisdom water utilities pipe network geographic information manages platform system based on internet of things | |
| CN104102190A (en) | Gas real-time safety monitoring system based on Internet of things technology | |
| CN103217199A (en) | Electricity-saving method for field underground water level monitoring system | |
| CN103487089B (en) | A kind of underground water table water temperature remote data transmission device and method | |
| CN201034964Y (en) | Wireless intelligent soil moisture automatic monitoring instrument | |
| CN104483871B (en) | Highway traffic safety facility Internet of things system real-time watch device and method of work | |
| CN202274874U (en) | Device used for monitoring inclination of overhead power transmission line pole tower | |
| CN104574874A (en) | Urban drainage and waterlog-preventing integrated control system | |
| CN205862185U (en) | A kind of groundwater environment long distance control system | |
| CN102393716A (en) | Energy-saving building monitoring system based on wireless sensing network | |
| CN203241081U (en) | Water conservation monitoring system based on Zigbee and GPRS | |
| CN103308762A (en) | Intensive energy consumption subentry measurement warning system and implementation method | |
| CN110809201A (en) | Construction engineering health monitoring management chip and system | |
| CN202472910U (en) | Terminal and system for monitoring radar liquid level flow rate | |
| CN102364302A (en) | Rainfall and water level monitoring equipment | |
| CN203337211U (en) | Power-saving underground water level monitoring system used in field | |
| CN203385877U (en) | Hyetometer device | |
| CN104165667A (en) | Remote and concentrated resident water meter reading system | |
| CN203178766U (en) | Intelligent power station geological disaster early warning monitoring device based on IOT technology | |
| CN206559904U (en) | A kind of irrigated area information collecting device | |
| CN105242610A (en) | Ground wire supervision system and method | |
| CN207526528U (en) | A kind of Novel down-hole coal-bed gas pressure wireless monitor system | |
| CN205679228U (en) | A kind of hydrographic information detecting system | |
| CN211406183U (en) | Construction engineering health monitoring management chip and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |