CN107989055B - Intelligent control system and control method for deep well precipitation of constructional engineering - Google Patents
Intelligent control system and control method for deep well precipitation of constructional engineering Download PDFInfo
- Publication number
- CN107989055B CN107989055B CN201711056339.3A CN201711056339A CN107989055B CN 107989055 B CN107989055 B CN 107989055B CN 201711056339 A CN201711056339 A CN 201711056339A CN 107989055 B CN107989055 B CN 107989055B
- Authority
- CN
- China
- Prior art keywords
- water level
- well
- intelligent
- recharging
- precipitation
- 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.)
- Active
Links
- 238000001556 precipitation Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 228
- 239000003673 groundwater Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 6
- 230000010354 integration Effects 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 52
- 230000001105 regulatory effect Effects 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 24
- 238000010276 construction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 2
- 239000000758 substrate Substances 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Hydrology & Water Resources (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
The invention provides an intelligent control system and a control method for deep well precipitation in constructional engineering, wherein the intelligent control system comprises an intelligent precipitation system for reducing the groundwater level at the bottom of a foundation pit; the intelligent recharging system and the intelligent detection system are used for stabilizing the underground water level of the surrounding building in the foundation pit dewatering process; the three systems are intelligent control systems built on a WEBS system integration platform, and monitor various conditions of the site in real time based on information collected by various sensors at the tail end of the system; the three subsystems are connected with the central control cabinet and the central server at the same time; the user sends out instructions through the application program on the central server, and the central control cabinet compares and matches various sensor feedback signals at the tail end of the system according to the internal core logic program, so as to change the running state of the equipment in real time. The control system can monitor the change of the underground water level in real time, actively control the running state of the dewatering equipment, and stabilize the underground water level at the bottom of the substrate and the dewatering curve around the foundation pit in a short time.
Description
Technical Field
The invention belongs to the technical field of construction foundation pit dewatering construction, and particularly relates to an intelligent control system and control method for deep well dewatering of a building engineering.
Background
The existing foundation pit deep pipe well dewatering technology has five defects: 1. the prior art can not accurately monitor the change of the underground water level in real time, and can only meet the requirement by increasing the manual detection frequency for foundation pit precipitation engineering with special or higher technical requirements. Not only consumes labor force, but also has huge potential safety hazard. 2. In the prior art, only the water pump switch can be manually controlled to further control the underground water line, the drainage amount cannot be effectively controlled, and the underground water level at the bottom of the substrate and the precipitation curve around the foundation pit cannot be stabilized in a short time. 3. In the prior art, in the precipitation process, data monitoring and statistics are lacked, the influence of artificial subjective factors is large, and scientific rigor is lacked. 4. The lack of operational monitoring of the equipment results in high equipment maintenance rates. 5. The electric energy consumption cannot be scientifically and effectively controlled.
Disclosure of Invention
The intelligent control system and the control method for deep well precipitation in constructional engineering can monitor the change of the underground water level in real time, actively control the running state of precipitation equipment, stabilize the underground water level at the bottom of a substrate and the precipitation curve around a foundation pit in a short time, have reasonable structure and are widely applicable to foundation pit precipitation engineering.
In order to achieve the technical characteristics, the aim of the invention is realized in the following way: an intelligent control system for deep well precipitation in constructional engineering comprises an intelligent precipitation system for reducing the groundwater level at the bottom of a foundation pit; the intelligent recharging system and the intelligent detection system are used for stabilizing the underground water level of the surrounding building in the foundation pit dewatering process; the three systems are intelligent control systems built on a WEBS system integration platform, and monitor various conditions of the site in real time based on information collected by various sensors at the tail end of the system; the three subsystems are connected with the central control cabinet and the central server at the same time; the user sends out instructions through the application program on the central server, and the central control cabinet compares and matches various sensor feedback signals at the tail end of the system according to the internal core logic program, so as to change the running state of the equipment in real time.
The intelligent dewatering system comprises a plurality of dewatering wells arranged around the foundation pit, wherein each dewatering well is provided with a water pump, a first liquid level meter, a frequency converter and a flowmeter; the water pump is connected with the water flow main pipeline through the water flow branch pipeline, and the water flow main pipeline is simultaneously communicated with the reservoir and the recharging water tank; the first liquid level meter, the frequency converter and the flowmeter are connected with the central control cabinet through a low-voltage power signal wire, and the central control cabinet is connected with the central server.
The intelligent recharging system comprises a certain number of recharging wells arranged between the foundation pit and the building to be protected, wherein each recharging well is provided with a second liquid level meter and a flow regulating valve, and each recharging well is communicated with the recharging water tank through a water flow branch pipeline and a water flow total pipeline; the second liquid level meter is connected with a central control cabinet through a low-voltage power supply signal line, and the central control cabinet is connected with a central server.
The intelligent detection system comprises a certain number of monitoring wells arranged around an established building, each monitoring well is provided with a third liquid level meter, the third liquid level meters are connected with a central control cabinet through a low-voltage power signal line, and the central control cabinet is connected with a central server.
The control method of the intelligent precipitation system in any intelligent control system comprises two working modes, namely a manual mode and an intelligent mode;
the manual mode is that a user sends out an instruction to a central control cabinet through a software application program written on a central server, and the central control cabinet controls the frequency converter and the water pump to be in an open-close state according to the instruction requirement;
the intelligent mode is that a user sends a command for setting a target water level H1 of a precipitation well and a variable-frequency water level H2 of the precipitation well to a central control cabinet through a software application program written on a central server, the central control cabinet measures the real-time measured water level H of the precipitation well according to a liquid level meter in the precipitation well and measures water flow feedback signals of a water flow branch pipeline according to a written internal core logic program, data matching analysis is carried out, the variable-frequency amplitude of a frequency converter is controlled in real time through the internal program of the central control cabinet, the running state of a water pump is controlled until the water inflow and the water drainage in the precipitation well are balanced, and accordingly the intelligent control of precipitation is achieved.
The control method of the intelligent precipitation system in the intelligent control system comprises the following specific control flow of the intelligent mode:
step1: starting a system, setting a target water level H1 of a dewatering well on a central server, and changing the frequency of the water level H2 of the dewatering well;
step2: when the real-time measured water level H of the dewatering well is larger than the variable-frequency water level H2 of the dewatering well and is larger than the target water level H1 of the dewatering well, the central control cabinet controls the full-frequency output of the frequency converter, and the water pump operates at maximum power;
step3: when the real-time actually measured water level H of the precipitation well is smaller than the precipitation well variable frequency water level H2 and larger than the precipitation well target water level H1, the frequency converter starts to convert frequency, the frequency conversion range of the frequency converter is 50-10 Hz, the variable frequency is represented by variable K1X 40 Hz, wherein the value of the variable K1 is: H-H1/H2-H1;
step4: when the real-time actually measured water level H of the dewatering well is between the target water level H1 of the dewatering well and the variable-frequency water level H2 of the dewatering well, the water level of the dewatering well meets the requirement;
step5: when the real-time actually measured water level H of the precipitation well is lower than the target water level H1 of the precipitation well, the frequency converter converts the frequency into 10 Hz, and the central server system prompts to adjust the target water level H1 of the precipitation well or prompts that the water inflow amount in the precipitation well is insufficient.
The intelligent recharging system and the intelligent monitoring system in any intelligent control system comprise a manual mode and an intelligent mode;
the manual mode is that a user sends a command to a central control cabinet through a software application program written on a central server, and the central control cabinet controls the opening degree of a flow regulating valve according to the command requirement;
the intelligent mode is that a user sends out a recharging well target water level S1 and a recharging well adjusting water level S2 of a set recharging well through a software application program written on a central server; the method comprises the steps that instructions of a target water level W1 of a monitoring well and an initial water level W2 of the monitoring well are sent to a central control cabinet, the central control cabinet measures a real-time actual measured water level S of a recharging well for a second liquid level meter in the recharging well according to a written internal core logic program, a third liquid level meter in the monitoring well measures the real-time actual measured water level W of the monitoring well and a flow feedback signal of water flow of a water flow branch pipeline is measured by a flowmeter to carry out data matching analysis, the opening amplitude of a flow regulating valve is controlled in real time through the internal program of the central control cabinet, and the recharging water quantity is regulated, so that an intelligent recharging control effect is achieved.
The control method of the intelligent recharging system and the intelligent monitoring system in the intelligent control system comprises the following specific control flow of the intelligent mode:
step1: starting a system, setting a recharging well target water level S1 and a recharging well regulating water level S2, setting a monitoring well target water level W1 and a monitoring well initial water level W2;
step2: when the real-time measured water level S of the recharging well is smaller than the recharging well regulating water level S2 and smaller than the recharging well target water level S1, the central control cabinet controls the flow regulating valve to be completely opened;
step3: when the real-time measured water level S of the recharging well is greater than the recharging well regulating water level S2 and is smaller than the recharging well target water level S1, the central control cabinet starts to control the opening degree of the flow regulating valve, the opening degree of the regulating valve is 100-0, the opening degree of the regulating valve is 100 multiplied by 100 according to a variable K2, wherein the value of the variable K2 is as follows: S1-S/S1-S2;
step4: when the real-time measured water level S of the recharging well is between the target water level S1 of the recharging well and the adjusting water level S2 of the recharging well, the recharging water level meets the requirement;
step5: the water level W is measured in real time by the monitoring well, when the water level W-W2 is more than 0 and the water level W1-W is more than 0, the intelligent monitoring system displays normally, otherwise, the central server system carries out alarm prompt.
An intelligent control system for deep well precipitation in constructional engineering, wherein three subsystems of an intelligent precipitation system, an intelligent recharging system and an intelligent detection system are provided with two different use modes for combined use and independent use;
the combined use mode is suitable for the situation that adjacent buildings are arranged around a foundation pit, the underground water level change in the process of dewatering the foundation pit affects the potential sedimentation hazards of the safety of surrounding building structures, an intelligent dewatering system, an intelligent recharging system and an intelligent monitoring system are required to work together, the intelligent dewatering system is utilized to carry out dewatering on the foundation pit, meanwhile, the intelligent monitoring system is utilized to provide accurate underground water level data as a basis, the intelligent recharging system is utilized to carry out underground water recharging, the underground water level change amplitude of the adjacent buildings of the foundation pit is reduced, the underground water level stability at the adjacent buildings is ensured, and the potential sedimentation hazards affecting the safety of the building structures are reduced;
the independent use mode is suitable for the condition that the safety range around the foundation pit is free from other buildings, when foundation pit precipitation does not need to consider the influence of external conditions, the condition only needs to adopt an intelligent precipitation system, the intelligent precipitation system is utilized to carry out precipitation on the foundation pit, and the intelligent monitoring system can be added simultaneously, so that amplitude-variable observation on the underground water level of the foundation pit is enhanced.
The invention has the following beneficial effects:
1. the intelligent precipitation system, the intelligent monitoring system and the intelligent recharging system can be controlled simultaneously through the mutual cooperative work of the central server and the central control cabinet, data unified recording and intelligent unified processing can be carried out, and independent operation of the subsystems and combined operation of multiple subsystems can be carried out according to requirements. The intelligent system is characterized in that the intelligent system is used for carrying out substantial improvement and organic combination on the prior art, providing an intelligent system for monitoring the change of the underground water level in real time, actively controlling the running state of the dewatering equipment, stabilizing the underground water level at the bottom of the base and the dewatering curve around the foundation pit in a short time, and being reasonable in structure and suitable for wide foundation pit dewatering engineering.
2. In manual mode, the user issues instructions through a software application written on the central server, the instructions are communicated to the device through the central control cabinet, and the device changes its own running state according to the instructions.
3. In the intelligent mode, a user presets limit instructions through a software application program written on a central server, and the central control cabinet compares and matches feedback analog signals of various sensors at the tail end of the system with the preset limit instructions according to a written internal core logic program to change the running state of equipment in real time. Meet the requirement of quickly stabilizing the underground water level
4. The remote control of the foundation pit dewatering equipment is realized by operators in fixed places, the labor intensity is reduced, the scientific accuracy of the feedback data of the monitoring equipment arranged on site is reduced, and the artificial error is reduced.
5. The integration of all the devices and the logic system on the same platform is realized, and a set of intelligent devices is formed.
6. The observation data are reflected on the central server display terminal in real time, and a preset data report is output for output printing.
7. The intelligent control system for deep well precipitation realizes variable frequency control on the water pump, and compared with the traditional water pump energy consumption, the intelligent control system saves electric energy by about 30%.
8. Besides deep wells, the water treatment device can be used for light pipe well precipitation, open trench precipitation and the like.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a diagram of an intelligent control system for deep well precipitation.
FIG. 2 is an exploded view of the deep well precipitation intelligent control system.
FIG. 3 is a flow chart of the intelligent precipitation system.
FIG. 4 is a flow chart of an intelligent recharging system and an intelligent monitoring system.
FIG. 5 shows a detailed view of the cross section of the dewatering well, recharging well and monitoring well.
In the figure: 101-intelligent precipitation system, 102-intelligent recharging system, 103-intelligent monitoring system, 104-central server, 105-central control cabinet, 106-reservoir, 107-recharging water tank, 108-low voltage power signal line, 109-water main pipeline, 110-water branch pipeline, 111-water pump, 112-first liquid level meter, 113-frequency converter, 114-flowmeter, 115-flow regulating valve, 116-precipitation well, 117-recharging well, 118-monitoring well, 119-second liquid level meter, 120-third liquid level meter;
201-real-time measured water level H of a dewatering well, 202-variable frequency water level H2 of a dewatering well, 203-target water level H1 of a dewatering well, 204-real-time measured water level S of a recharging well, 205-target water level S1 of a recharging well, 206-regulated water level S2 of a recharging well, 207-real-time measured water level W of a monitoring well, 208-target water level W1 of a monitoring well, 209-initial water level W2 of a monitoring well.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
1-2, an intelligent control system for deep well precipitation in construction engineering comprises an intelligent precipitation system 101 for lowering the groundwater level at the bottom of a foundation pit; an intelligent recharging system 102 and an intelligent detecting system 103 for stabilizing the ground water level of the surrounding building in the foundation pit dewatering process; the three systems are intelligent control systems built on a WEBS system integration platform, and monitor various conditions of the site in real time based on information collected by various sensors at the tail end of the system; the three subsystems are connected with the central control cabinet 105 and the central server 104 at the same time; the user sends out instructions through the application program on the central server 104, and the central control cabinet 105 compares and matches various sensor feedback signals at the tail end of the system according to the internal core logic program, so as to change the running state of the equipment in real time. And further, the change of the underground water level is monitored in real time, the running state of the dewatering equipment is actively controlled, and the underground water level at the bottom of the substrate and the dewatering curve around the foundation pit are stabilized in a short time.
Further, the intelligent dewatering system 101 includes a plurality of dewatering wells 116 arranged around the foundation pit, each dewatering well 116 is configured with a water pump 111, a first level gauge 112, a frequency converter 113, and a flow meter 114; the water pump 111 is connected with the water flow main pipe 109 through the water flow branch pipe 110, and the water flow main pipe 109 is communicated with the water reservoir 106 and the recharging water tank 107 at the same time; the first level gauge 112, the frequency converter 113 and the flow meter 114 are connected to the central control cabinet 105 through the low voltage power signal line 108, and the central control cabinet 105 is connected to the central server 104. The intelligent precipitation system 101 is mainly used for reducing the underground water level at the bottom of the foundation pit and ensuring the normal operation of foundation pit construction.
Further, the water generated by the foundation pit dewatering can be discharged to the reservoir 106 through the system, so that the secondary utilization of water resources can be realized in the later period. Is discharged to the recharging tank 107 and is available for recharging the system.
Further, the intelligent recharging system 102 includes a number of recharging wells 117 disposed between the foundation pit and the building to be protected, each recharging well 117 being configured with a second level gauge 119 and a flow regulating valve 115, each recharging well 117 being in communication with the recharging tank 107 through a water branch line and a water main line; the second liquid level meter 119 is connected with the central control cabinet 105 through a low-voltage power signal line, and the central control cabinet 105 is connected with the central server 104. The method has the effects of ensuring the stability of the ground water level of the building around the foundation pit and controlling the influence range of precipitation in the process of precipitation of the foundation pit.
Further, the intelligent detection system 103 comprises a number of monitoring wells 118 arranged around the built building, each monitoring well is provided with a third level gauge 120, the third level gauge 120 is connected to the central control cabinet 105 through a low voltage power signal line, and the central control cabinet 105 is connected to the central server 104.
Further, the data on the central server 104 may be output to a printer for printing a data report.
Example 2:
as shown in fig. 3 and 5, the intelligent precipitation system 101 includes two working modes, namely a manual mode and an intelligent mode; in the manual mode, a user sends a command to the central control cabinet 105 through a software application program written on the central server 104, and the central control cabinet 105 controls the open and closed states of the frequency converter 113 and the water pump 111 according to the command;
further, in the intelligent mode, a user sends instructions for setting a target water level H1203 of a precipitation well and a variable frequency water level H2202 of the precipitation well to the central control cabinet 105 through a software application program written on the central server 104, the central control cabinet 105 performs data matching analysis on a feedback signal of the real-time measured water level H201 of the precipitation well measured by the liquid level meter 112 and the water flow rate measured by the water flow branch pipe 110 in the precipitation well 116 according to a written internal core logic program, and the variable frequency amplitude of the variable frequency 113 is controlled in real time through the internal program of the central control cabinet 105 to control the running state of the water pump 111 until the water inflow and the water drainage in the precipitation well 116 are balanced, so that the intelligent control precipitation effect is achieved.
Further, the control method of the intelligent precipitation system in the intelligent control system comprises the following specific control flow of the intelligent mode:
step1: starting a system, and setting a precipitation well target water level H1203 and a precipitation well variable-frequency water level H2202 on the central server 104;
step2: when the real-time measured water level H201 of the dewatering well is larger than the variable-frequency water level H2202 of the dewatering well and is larger than the target water level H1203 of the dewatering well, the central control cabinet 105 controls the full-frequency output of the frequency converter 113, and the water pump 111 operates at maximum power;
step3: when the real-time measured water level H201 of the precipitation well is smaller than the precipitation well variable frequency water level H2202 and is larger than the target water level H1203 of the precipitation well, the frequency converter 113 starts to convert frequency, the frequency conversion range of the frequency converter is 50-10 Hz, the variable frequency is represented by variable K1 multiplied by 40 Hz, wherein the variable K1 is as follows: H-H1/H2-H1;
step4: when the real-time measured water level H201 of the dewatering well is between the target water level H1203 of the dewatering well and the variable-frequency water level H2202 of the dewatering well, the water level of the dewatering well meets the requirement;
step5: when the real-time measured water level H201 of the precipitation well is lower than the target water level H1203 of the precipitation well, the frequency converter converts the frequency into 10 Hz, and the central server 104 system prompts to adjust the target water level H1203 of the precipitation well or prompts that the water inflow amount in the precipitation well is insufficient.
Example 3:
as shown in fig. 4 and 5, the control method of the intelligent recharging system and the intelligent monitoring system in any intelligent control system includes a manual mode and an intelligent mode;
further, in the manual mode, the user sends a command to the central control cabinet 105 through a software application program written on the central server 104, and the central control cabinet 105 controls the opening degree of the flow control valve 115 according to the command requirement;
further, in the intelligent mode, the user sends out a recharging well target water level S1205 and a recharging well adjusting water level S2206 for setting the recharging well 117 through a software application program written on the central server 104; the instructions of the target water level W1208 of the monitoring well and the initial water level W2209 of the monitoring well 118 are sent to the central control cabinet 105, the central control cabinet 105 measures the real-time measured water level S204 of the recharging well for the second liquid level meter 119 in the recharging well 117 according to the written internal core logic program, the third liquid level meter 120 in the monitoring well 118 measures the real-time measured water level W207 of the monitoring well and the flowmeter 114 measures the water flow feedback signal of the water flow branch pipeline 110 to carry out data matching analysis, and the opening amplitude of the flow regulating valve 115 is controlled in real time through the internal program of the central control cabinet 105 to regulate the recharging water quantity, so that the intelligent recharging control effect is achieved.
Further, the control method of the intelligent recharging system and the intelligent monitoring system in the intelligent control system comprises the following specific control flow of the intelligent mode:
step1: starting a system, setting a recharging well target water level S1205 and a recharging well adjusting water level S2206, setting a monitoring well target water level W1 and a monitoring well initial water level W2209;
step2: when the real-time measured water level S204 of the recharging well is smaller than the recharging well adjusting water level S2206 and smaller than the recharging well target water level S1205, the central control cabinet 105 controls the flow adjusting valve to be completely opened;
step3: when the real-time measured water level S204 of the recharging well is greater than the recharging well regulating water level S2206 and less than the recharging well target water level S1205, the central control cabinet 105 starts to control the opening degree of the flow regulating valve, the opening degree of the regulating valve is 100-0, and the opening degree of the regulating valve is according to the variable k2×100, wherein the value of the variable K2 is as follows: S1-S/S1-S2;
step4: when the real-time measured water level S204 of the recharging well is between the recharging well target water level S1205 and the recharging well adjusting water level S2206, the recharging water level meets the requirement;
step5: the monitoring well measures the water level W207 in real time, when the water level W-W2>0 and the water level W1-W >0 are met, the intelligent monitoring system displays normally, otherwise, the central server 104 system carries out alarm prompt.
Example 4:
an intelligent control system for deep well precipitation of constructional engineering, wherein three subsystems of an intelligent precipitation system 101, an intelligent recharging system 102 and an intelligent detection system 103 are provided with two different use modes, namely a combined use mode and a single use mode;
the combined use mode is suitable for the situation that adjacent buildings are arranged around a foundation pit, the ground water level change in the process of dewatering the foundation pit affects the settlement hidden danger of the safety of surrounding buildings, an intelligent dewatering system 101, an intelligent recharging system 102 and an intelligent monitoring system 103 are required to work together, the intelligent dewatering system 101 is utilized to carry out dewatering on the foundation pit, meanwhile, the intelligent monitoring system 103 is utilized to provide accurate ground water level data as a basis, the intelligent recharging system 102 is utilized to carry out ground water recharging, the ground water level change amplitude of the adjacent buildings of the foundation pit is reduced, the ground water level stability at the adjacent buildings is ensured, and the settlement hidden danger affecting the safety of the structures of the buildings is reduced;
the independent use mode is suitable for the condition that no other building exists in the safety range around the foundation pit, when the foundation pit precipitation does not need to consider the influence of external conditions, the condition only needs to adopt the intelligent precipitation system 101, the intelligent precipitation system is utilized to carry out precipitation on the foundation pit, the intelligent monitoring system 103 can be added simultaneously, and the amplitude observation of the underground water level of the foundation pit is enhanced.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (6)
1. An intelligent control system for deep well precipitation in constructional engineering is characterized in that: the intelligent precipitation system (101) is used for reducing the underground water level at the bottom of the foundation pit; an intelligent recharging system (102) and an intelligent detecting system (103) for stabilizing the underground water level of the surrounding building in the foundation pit dewatering process; the three systems are intelligent control systems built on a WEBS system integration platform, and monitor various conditions of the site in real time based on information collected by various sensors at the tail end of the system; the three systems are simultaneously connected with a central control cabinet (105) and a central server (104); the user sends out instructions through an application program on the central server (104), and the central control cabinet (105) compares and matches various sensor feedback signals at the tail end of the system according to an internal core logic program, so as to change the running state of the equipment in real time;
the intelligent dewatering system (101) comprises a plurality of dewatering wells (116) arranged around a foundation pit, wherein each dewatering well (116) is provided with a water pump (111), a first liquid level meter (112), a frequency converter (113) and a flowmeter (114); the water pump (111) is connected with the water flow main pipeline (109) through a water flow branch pipeline (110), and the water flow main pipeline (109) is simultaneously communicated with the water reservoir (106) and the recharging water tank (107); the first liquid level meter (112), the frequency converter (113) and the flowmeter (114) are connected with the central control cabinet (105) through the power supply signal line (108), and the central control cabinet (105) is connected with the central server (104);
the intelligent recharging system (102) comprises a certain number of recharging wells (117) arranged between a foundation pit and a building to be protected, each recharging well (117) is provided with a second liquid level meter (119) and a flow regulating valve (115), and each recharging well (117) is communicated with a recharging water tank (107) through a water branch pipeline and a water total pipeline; the second liquid level meter (119) is connected with the central control cabinet (105) through a low-voltage power signal wire, and the central control cabinet (105) is connected with the central server (104);
the intelligent detection system (103) comprises a certain number of monitoring wells (118) arranged around an established building, each monitoring well is provided with a third liquid level meter (120), the third liquid level meters (120) are connected with a central control cabinet (105) through a low-voltage power signal line, and the central control cabinet (105) is connected with a central server (104).
2. An intelligent control system for deep well precipitation in construction engineering according to claim 1, wherein: the intelligent precipitation system (101), the intelligent recharging system (102) and the intelligent detection system (103) are provided with two different use modes, namely combination use and single use;
the combined use mode is suitable for the situation that adjacent buildings are arranged around a foundation pit, the ground water level change in the foundation pit precipitation process affects the settlement hidden danger of the surrounding building structure safety, an intelligent precipitation system (101), an intelligent recharging system (102) and an intelligent detection system (103) are required to work together, the intelligent precipitation system (101) is utilized to carry out precipitation on the foundation pit, meanwhile, the intelligent detection system (103) is utilized to provide accurate ground water level data as a basis, the intelligent recharging system (102) is utilized to carry out ground water recharging, the ground water level change amplitude of the adjacent buildings of the foundation pit is reduced, the ground water level stability at the adjacent buildings is ensured, and the settlement hidden danger affecting the building structure safety is reduced;
the independent use mode is suitable for the condition that the safety range around the foundation pit is free from other buildings, when foundation pit dewatering does not need to consider the influence of external conditions, the condition only needs to adopt an intelligent dewatering system (101), the intelligent dewatering system is utilized to carry out dewatering on the foundation pit, and an intelligent detection system (103) can be added simultaneously, so that amplitude-variable observation on the underground water level of the foundation pit is enhanced.
3. The control method of the intelligent control system according to any one of claims 1 or 2, characterized by: the intelligent precipitation system (101) comprises two working modes, namely a manual mode and an intelligent mode;
the manual mode is that a user sends out an instruction to the central control cabinet (105) through a software application program written on the central server (104), and the central control cabinet (105) controls the open and close states of the frequency converter (113) and the water pump (111) according to the instruction;
the intelligent mode is that a user sends out instructions for setting a target water level H1 (203) of a precipitation well and a variable-frequency water level H2 (202) of the precipitation well to a central control cabinet (105) through a software application program written on a central server (104), the central control cabinet (105) measures the real-time measured water level H (201) of the precipitation well according to a written internal core logic program, a flowmeter (114) measures a water flow feedback signal of a water flow branch pipeline (110) to perform data matching analysis, the variable-frequency amplitude of a frequency converter (113) is controlled in real time through an internal program of the central control cabinet (105), the running state of a water pump (111) is controlled until the water inflow and the water drainage in the precipitation well (116) are balanced, and accordingly the intelligent control precipitation effect is achieved.
4. A control method of an intelligent control system according to claim 3, wherein the specific control flow of the intelligent mode is as follows:
step1: the method comprises the steps of starting a system, setting a target water level H1 (203) of a dewatering well on a central server (104), and setting a variable-frequency water level H2 (202) of the dewatering well;
step2: when the real-time measured water level H (201) of the dewatering well is larger than the variable-frequency water level H2 (202) of the dewatering well and is larger than the target water level H1 (203) of the dewatering well, the central control cabinet (105) controls the full-frequency output of the frequency converter (113), and the water pump (111) operates at maximum power;
step3: when the real-time measured water level H (201) of the precipitation well is smaller than the variable frequency water level H2 (202) of the precipitation well and is larger than the target water level H1 (203) of the precipitation well, the frequency converter (113) starts to convert frequency, the frequency conversion range of the frequency converter is 50-10 Hz, the variable frequency is represented by variable K1 multiplied by 40 Hz, and the value of the variable K1 is as follows: H-H1/H2-H1;
step4: when the real-time actually measured water level H (201) of the dewatering well is between the target water level H1 (203) of the dewatering well and the variable-frequency water level H2 (202) of the dewatering well, the water level of the dewatering well meets the requirement;
step5: when the real-time actually measured water level H (201) of the precipitation well is lower than the target water level H1 (203) of the precipitation well, the frequency converter converts the frequency into 10 Hz, and the central server (104) system prompts to adjust the target water level H1 (203) of the precipitation well or prompts that the water inflow amount in the precipitation well is insufficient.
5. The control method of the intelligent control system according to any one of claims 1 or 2, characterized by: the intelligent recharging system and the intelligent detection system comprise a manual mode and an intelligent mode;
the manual mode is that a user sends an instruction to a central control cabinet (105) through a software application program written on a central server (104), and the central control cabinet (105) controls the opening degree of a flow regulating valve (115) according to the instruction requirement;
the intelligent mode is that a user sends out a recharging well target water level S1 (205) and a recharging well adjusting water level S2 (206) of a recharging well (117) through a software application program written on a central server (104); the method comprises the steps that instructions of a monitoring well target water level W1 (208) of a monitoring well (118) and a monitoring well initial water level W2 (209) are sent to a central control cabinet (105), the central control cabinet (105) measures a recharging well real-time actual measurement water level S (204) of a second liquid level meter (119) in a recharging well (117) according to a written internal core logic program, a third liquid level meter (120) in the monitoring well (118) measures a monitoring well real-time actual measurement water level W (207) and a flowmeter (114) measures a water flow feedback signal of a water flow branch pipeline (110), data matching analysis is carried out, and the opening amplitude of a flow regulating valve (115) is controlled in real time through the internal program of the central control cabinet (105), so that the recharging water quantity is regulated, and an intelligent recharging control function is achieved.
6. The control method of the intelligent control system according to claim 5, wherein the specific control flow of the intelligent mode is as follows:
step1: starting a system, setting a recharging well target water level S1 (205), a recharging well adjusting water level S2 (206), setting a monitoring well target water level W1 and a monitoring well initial water level W2 (209);
step2: when the real-time measured water level S (204) of the recharging well is smaller than the recharging well regulating water level S2 (206) and smaller than the recharging well target water level S1 (205), the central control cabinet (105) controls the flow regulating valve to be completely opened;
step3: when the real-time measured water level S (204) of the recharging well is larger than the recharging well regulating water level S2 (206) and smaller than the recharging well target water level S1 (205), the central control cabinet (105) starts to control the opening degree of the flow regulating valve, the opening degree of the regulating valve is 100-0, the opening degree of the regulating valve is 100 multiplied by 100 according to a variable K2, wherein the value of the variable K2 is as follows: S1-S/S1-S2;
step4: when the real-time measured water level S (204) of the recharging well is between the target water level S1 (205) of the recharging well and the regulated water level S2 (206) of the recharging well, the recharging water level meets the requirement;
step5: the monitoring well measures the water level W (207) in real time, when the water level W-W2 is more than 0 and the water level W1-W is more than 0, the intelligent detection system displays normal, otherwise, the central server (104) system carries out alarm prompt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711056339.3A CN107989055B (en) | 2017-11-01 | 2017-11-01 | Intelligent control system and control method for deep well precipitation of constructional engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711056339.3A CN107989055B (en) | 2017-11-01 | 2017-11-01 | Intelligent control system and control method for deep well precipitation of constructional engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107989055A CN107989055A (en) | 2018-05-04 |
| CN107989055B true CN107989055B (en) | 2024-03-15 |
Family
ID=62030179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711056339.3A Active CN107989055B (en) | 2017-11-01 | 2017-11-01 | Intelligent control system and control method for deep well precipitation of constructional engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107989055B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914910A (en) * | 2018-08-02 | 2018-11-30 | 中国十七冶集团有限公司 | It is a kind of based on internet+intelligent automation deep basal pit water level monitoring and coordinated control system |
| CN111119216A (en) * | 2019-12-25 | 2020-05-08 | 上海同禾工程科技股份有限公司 | Wireless-transmission foundation pit dewatering variable-frequency control system and application method thereof |
| CN111852896A (en) * | 2020-03-25 | 2020-10-30 | 同济大学 | Water quantity-water level servo control pressure reduction well based on information feedback and dynamic backflow |
| CN112160354A (en) * | 2020-09-11 | 2021-01-01 | 武汉武建机械施工有限公司 | Deformation foundation settlement calculation method based on building inherent settlement |
| CN114808864A (en) * | 2021-01-18 | 2022-07-29 | 淮安市水利勘测设计研究院有限公司 | Method for solving rear drainage failure of water gate wing wall |
| CN112854270A (en) * | 2021-03-01 | 2021-05-28 | 沈阳帝铂建筑工程有限公司 | Intelligent water descending management and control system and operation method |
| CN113431069A (en) * | 2021-06-30 | 2021-09-24 | 沈阳帝铂建筑工程有限公司 | Unmanned control intelligent precipitation system |
| CN113756318B (en) * | 2021-09-28 | 2022-11-18 | 北京住总集团有限责任公司 | Dynamic monitoring system and method for drainage process of ultra-large deep foundation pit |
| CN114351739A (en) * | 2021-12-02 | 2022-04-15 | 广州白云国际机场股份有限公司 | Rainfall recharge process for protecting subway structure in complex karst cave region |
| CN114183126B (en) * | 2021-12-16 | 2023-09-19 | 上海长凯岩土工程有限公司 | Implementation method for abnormal observation water level of precipitation well |
| CN114855847B (en) * | 2022-07-06 | 2022-09-20 | 江苏中安建设集团有限公司 | Intelligent control method for construction site foundation pit dewatering system |
| CN114859811B (en) * | 2022-07-07 | 2022-09-30 | 中建安装集团有限公司 | PLC-based intelligent water drainage control system and method |
| CN115182354A (en) * | 2022-08-19 | 2022-10-14 | 中国建筑第八工程局有限公司 | Construction method for foundation pit groups on two sides of near-operation subway |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003013436A (en) * | 2001-07-03 | 2003-01-15 | Ohbayashi Corp | System and method for controlling groundwater level |
| JP2007239286A (en) * | 2006-03-08 | 2007-09-20 | Kajima Corp | Construction method for lowering underground water level |
| CN102635122A (en) * | 2012-04-10 | 2012-08-15 | 上海广联建设发展有限公司 | Dewatering-recharging integrated device and process for foundation pit engineering |
| CN106595802A (en) * | 2016-11-08 | 2017-04-26 | 中铁三局集团有限公司 | Method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction |
| CN106638553A (en) * | 2016-11-16 | 2017-05-10 | 中铁三局集团建筑安装工程有限公司 | Intelligent full-automatic recharging system of underground water on outer side of deep foundation pit and construction method |
| CN207452928U (en) * | 2017-11-01 | 2018-06-05 | 中国核工业第二二建设有限公司 | A kind of intelligence control system for architectural engineering deep-well precipitation |
-
2017
- 2017-11-01 CN CN201711056339.3A patent/CN107989055B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003013436A (en) * | 2001-07-03 | 2003-01-15 | Ohbayashi Corp | System and method for controlling groundwater level |
| JP2007239286A (en) * | 2006-03-08 | 2007-09-20 | Kajima Corp | Construction method for lowering underground water level |
| CN102635122A (en) * | 2012-04-10 | 2012-08-15 | 上海广联建设发展有限公司 | Dewatering-recharging integrated device and process for foundation pit engineering |
| CN106595802A (en) * | 2016-11-08 | 2017-04-26 | 中铁三局集团有限公司 | Method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction |
| CN106638553A (en) * | 2016-11-16 | 2017-05-10 | 中铁三局集团建筑安装工程有限公司 | Intelligent full-automatic recharging system of underground water on outer side of deep foundation pit and construction method |
| CN207452928U (en) * | 2017-11-01 | 2018-06-05 | 中国核工业第二二建设有限公司 | A kind of intelligence control system for architectural engineering deep-well precipitation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107989055A (en) | 2018-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107989055B (en) | Intelligent control system and control method for deep well precipitation of constructional engineering | |
| CN102814858B (en) | Intelligent cement concrete curing system and curing method thereof | |
| CN106285572B (en) | Control device and its control method are taken out between a kind of pumping unit intelligence | |
| CN207452928U (en) | A kind of intelligence control system for architectural engineering deep-well precipitation | |
| WO1997008942A1 (en) | Control system for the irrigation of watering stations | |
| CN102590472A (en) | Portable dynamic soil erosion monitor | |
| CN105569124B (en) | A kind of frequency control voltage transformation water supply installation and its control method | |
| CN102253180B (en) | Remote real-time monitoring system for soil runoff | |
| CN214303796U (en) | Ground intelligent life cycle manager and water well intelligent life cycle management system | |
| CN109930656A (en) | A kind of deep foundation pit precipitation recharge automatic monitoring device and monitoring method | |
| CN202870579U (en) | Computer monitoring system for controlling building energy consumption | |
| CN103591996B (en) | A kind of separate system Storm Sewer Network waterlogging early warning and emergency response facility and method | |
| CN108415471A (en) | A kind of intermittent intelligent make-up water supply control system of water storage container | |
| CN103392567A (en) | Irrigation system for three-dimensional greening walls | |
| CN206146468U (en) | Open channel lockage flow on -line monitoring device | |
| CN107290186A (en) | A kind of intelligent porosity levels part flow arrangement | |
| CN209085710U (en) | A kind of online remote supervision system of drainage pipeline networks liquid level | |
| CN208490497U (en) | A kind of Internet of Things intelligent irrigation total management system | |
| CN109946960A (en) | A kind of data acquisition cabinet | |
| CN207812620U (en) | A kind of sewage discharge monitoring device | |
| CN209323571U (en) | Well lid monitoring device with water level monitoring function | |
| CN113373961A (en) | Automatic water level stabilizing system for dewatering well | |
| CN108594750B (en) | A kind of sewage treatment on-line intelligence control system and control method | |
| CN206616614U (en) | Water system | |
| CN112240183A (en) | Intelligent separate injection wellhead control device, system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |