CN110554713A - Pressurized-water test detection feedback control system in grouting engineering - Google Patents
Pressurized-water test detection feedback control system in grouting engineering Download PDFInfo
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- 230000003204 osmotic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/2026—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means
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Abstract
the invention discloses a pressurized water test detection feedback control system in grouting engineering, which comprises a pressurized water detection module, a control module and an execution module; the system comprises a pressurized water detection module, a decision module and a control module, wherein the pressurized water detection module is used for detecting pressure data and flow rate data of a test borehole, and the decision module is arranged in the pressurized water detection module and is used for deciding a transmission mode of detection data; the control module is used for issuing an instruction for controlling grouting equipment according to the pressure data and the flow rate data detected by the pressurized water detection module; and the execution module is used for receiving and executing the command sent by the control module. The invention reduces the loss in the signal transmission process, reduces the data time delay, improves the data sampling frequency, improves the network transmission efficiency, can transmit the detection signal in the water pressing test more stably and efficiently, can perform feedback control on grouting equipment, greatly improves the control response speed and improves the feedback control precision.
Description
Technical Field
the invention relates to the technical field of grouting control, in particular to a pressurized water test detection feedback control system in grouting engineering.
background
The water pressure test is a penetration test in a drilling hole in a hydrogeological test, and the water pressure test in a grouting project mainly comprises the steps of knowing the relative water permeability of a rock body in a grouting section, the opening degree of a rock body crack, the property of a filling material and the like. If a large-scale hydraulic structure such as a dam is built, a pressurized-water test is generally used for knowing the leakage condition of a foundation, and the pressurized-water test is used for designing an anti-seepage grouting curtain of the dam, checking the anti-seepage effect of the grouting curtain and the like.
the data which needs to be collected in the pressurized water test of the grouting project comprise flow, pressure and the like in the grouting process. However, due to the concentrated construction equipment and workers on the construction site and the high interference of temperature, humidity and noise, the signal is easily interfered by scattering, reflection and diffraction caused by the obstacles in the transmission process, the fluctuation range of the signal is large, so that the data communication link is easy to break down, and the data transmission quality is reduced.
the existing grouting pressurized-water test detection technology mostly depends on experienced manual work to judge the pressurized-water test effect, or data acquisition equipment with simple installation is used for acquiring data to present, an intelligent monitoring and processing means is lacked, the detection process of the pressurized-water test has high data transmission energy consumption, detection signals generate time delay and other problems, especially under a complex environment, the data communication of the pressurized-water test operation always has signal attenuation, and the grouting pressurized-water test detection technology is easy to be troubled by the problems of influence of link faults and the like.
the existing grouting and water pressing detection systems mostly stop at data acquisition, display, recording and analysis to monitor grouting construction, and cannot feedback control grouting equipment according to detection conditions.
Disclosure of Invention
the invention aims to overcome the defects of the prior art, provides a detection feedback control system for a pressurized water test in grouting engineering, reduces loss in the signal transmission process, reduces data time delay, improves the sampling frequency of data, improves network transmission efficiency, can transmit detection signals in the pressurized water test, is more stable and efficient, can perform feedback control on grouting equipment, greatly improves control response speed, and improves feedback control precision.
The purpose of the invention is realized by the following technical scheme: a pressurized water test detection feedback control system in grouting engineering comprises a pressurized water detection module, a control module and an execution module;
The pressurized water detection module is used for detecting pressure data and flow rate data of a test borehole, a decision module is arranged in the pressurized water detection module, and the decision module is used for deciding a transmission mode of detection data;
The control module is used for issuing an instruction for controlling grouting equipment according to the pressure data and the flow rate data detected by the pressurized water detection module;
And the execution module is used for receiving and executing the command issued by the control module.
Further, a pressure adjustment module is included; the pressure adjusting module is used for adjusting the opening of the electric valve according to the instruction of the execution module so as to control pressure fluctuation.
Further, the pressurized water detection module comprises a sensor node module A, a sensor node module B, a relay node module, a first calculation module, a path loss factor calculation module, a second calculation module, a decision module A and a decision module B;
the sensor node module A is provided with a current meter probe, the sensor node module A is arranged at the position of grouting equipment, and each grouting equipment is provided with at least one sensor node module A; detecting whether a grouting equipment control system sends a data acquisition instruction or not, if so, slowly placing a current meter probe arranged at the sensor node into a test borehole through a servo system, wherein the current meter probe is used for acquiring current data in the test borehole and storing the acquired current data in a sensor node module A;
The sensor node module B is internally provided with a pressure sensor probe and is used for detecting whether a grouting equipment control system sends a data acquisition instruction or not, if so, acquiring pressure data in a test drilling hole through the pressure sensor probe and storing the acquired pressure data in the sensor node module B;
the system comprises a relay node module, a positioning module and a positioning module, wherein the relay node module is provided with at least one relay node, the relay node is connected with a plurality of sensor node modules A, and the relay node periodically broadcasts positioning request information M to the sensor node modules A within a one-hop range around;
The first calculation module is used for calculating a first RSSI value of the relay node, the sensor node module A which stores flow rate data receives the positioning request information M of the relay node module, extracts all RSSI values in the positioning request information M after receiving the positioning request information M, and calculates an average value after removing the maximum value and the minimum value of a group of RSSI values in a set time period T, and the average value is used as the first RSSI value of the relay node which requests positioning;
the path loss factor calculation module is used for calculating a path loss factor and sending a path loss factor request R to the sensor node module A for the relay node with the determined first RSSI value; the sensor node module A receiving the path loss factor request R sends second RSSI to other relay nodes or other sensor node modules A in a surrounding one-hop range, the other sensor node modules A only receive second RSSI values sent by the sensor node modules A or other relay nodes in the one-hop range except the relay node requiring positioning, the relay node receiving the second RSSI values calculates a path loss factor n, and replies the path loss factor n to the relay node requiring positioning;
the second calculation module is used for calculating the distance between the sensor node modules A, and after the relay node receives the path loss factor n value, the distance between the sensor node modules A is calculated based on the n value;
The decision module A is used for deciding the transmission mode of the flow rate detection data; setting a distance threshold, then judging whether the calculation result of the second calculation module is lower than the distance threshold, if so, transmitting the flow rate data stored in the sensor node module A of which the calculation result is lower than the distance threshold in the second calculation module to a relay node connected with the sensor node module A, and transmitting the flow rate detection data in the water pressurizing test based on the relay node; if not, the flow velocity detection data in the pressurized water test is collected and transmitted based on the sensor node without processing;
The decision module B is used for deciding the transmission mode of the pressure detection data; setting a distance threshold, then judging whether the calculation result of the second calculation module is lower than the distance threshold, if so, transmitting the flow speed data stored in the sensor node module B of which the calculation result is lower than the distance threshold in the second calculation module to a relay node connected with the sensor node module B, and transmitting pressure detection data in a water pressurizing test based on the relay node; and if not, not processing, and acquiring and transmitting pressure detection data in the water pressing test based on the sensor node module B.
further, a fault detection module is included;
The fault detection module is used for setting the RSSI 0 of the initialized sensor node, moving the set distance to the other sensor nodes which are normally communicated within the one-hop range of the initialized sensor node module, then detecting whether the RSSI value of the sensor node is lower than the RSSI 0, if so, continuing to move the set distance to the other sensor nodes which are normally communicated within the one-hop range of the initialized sensor node, otherwise, detecting whether the packet loss rate rho of the sensor node is equal to zero, if the packet loss rate rho is equal to zero, setting a new sensor node at the position, and if the packet loss rate rho is larger than zero, continuing to move the set distance to the other sensor nodes which are normally communicated within the one-hop range of the initialized sensor node module, wherein the sensor node module comprises a sensor node module A and a sensor node module B.
furthermore, the sensor node comprises an MCU module, a memory module, a communication module, a sensor module and a power module, wherein the memory module, the communication module, the sensor module and the power module are respectively connected with the MCU module.
the invention has the beneficial effects that:
(1) The invention uses a decision mechanism for the transmission mode of the detection data in the grouting and water-pressing test for the first time, and solves the problems that the conventional technology only directly collects and transmits the data to cause data communication delay, so that the detection accuracy, precision, efficiency, instability and the like in the grouting and water-pressing test are influenced. By introducing a decision mechanism in a signal acquisition stage and selecting a data transmission mode, the data waiting time delay is reduced, the loss in the signal transmission process is reduced, the sampling frequency of data is improved, the network transmission efficiency is improved, the signal transmission is more stable and efficient, the feedback control can be performed on grouting equipment, the control response speed is greatly improved, and the feedback control precision is improved.
(2) when the power is constant, the data transmission rate can be improved, when the transmission rate is constant, the power can be saved, the data transmission delay is reduced, and after the dam is built, because the dam needs to bear large osmotic pressure, the detection precision, accuracy and speed of parameters such as pressurized-water flow, pressure and the like are improved, the permeability resistance, durability and damage resistance of the grouting curtain are improved, and the quality of a wireless network communication link in a pressurized-water detection test is improved under large pressurized-water pressure.
(3) The invention reduces the node transmission energy consumption, has low cost, ensures that each communication node in the network selects a data acquisition and transmission mode according to a decision mechanism, reduces the energy waste in the area where grouting equipment is not dense, improves the service life of the network, utilizes the relay for the pressurized water detection data transmission, has short data transmission distance, reduces the hardware faults of the node, overcomes the influence of the corridor environment on the pressurized water data detection and transmission, reduces the errors of data packets, improves the detection accuracy of a pressurized water test, and further improves the feedback control precision of the grouting equipment.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following. All of the features disclosed in this specification, or all of the steps of a method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features and/or steps are used.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known circuits, software, or methods have not been described in detail so as not to obscure the present invention.
as shown in fig. 1, a pressurized water test detection feedback control system in grouting engineering includes a pressurized water detection module, a control module and an execution module;
The pressurized water detection module is used for detecting pressure data and flow rate data of a test borehole, a decision module is arranged in the pressurized water detection module, and the decision module is used for deciding a transmission mode of detection data;
The control module is used for issuing an instruction for controlling grouting equipment according to the pressure data and the flow rate data detected by the pressurized water detection module;
And the execution module is used for receiving and executing the command issued by the control module.
Optionally, a pressure adjustment module is included; the pressure adjusting module is used for adjusting the opening of the electric valve according to the instruction of the execution module so as to control pressure fluctuation.
Optionally, the pressurized water detection module comprises a sensor node module a, a sensor node module B, a relay node module, a first calculation module, a path loss factor calculation module, a second calculation module, a decision module a and a decision module B;
The sensor node module A is provided with a current meter probe, the sensor node module A is arranged at the position of grouting equipment, and each grouting equipment is provided with at least one sensor node module A; detecting whether a grouting equipment control system sends a data acquisition instruction or not, if so, slowly placing a current meter probe arranged at the sensor node into a test borehole through a servo system, wherein the current meter probe is used for acquiring current data in the test borehole and storing the acquired current data in a sensor node module A;
the sensor node module B is internally provided with a pressure sensor probe and is used for detecting whether a grouting equipment control system sends a data acquisition instruction or not, if so, acquiring pressure data in a test drilling hole through the pressure sensor probe and storing the acquired pressure data in the sensor node module B;
the system comprises a relay node module, a positioning module and a positioning module, wherein the relay node module is provided with at least one relay node, the relay node is connected with a plurality of sensor node modules A, and the relay node periodically broadcasts positioning request information M to the sensor node modules A within a one-hop range around;
The first calculation module is used for calculating a first RSSI value of the relay node, the sensor node module A which stores flow rate data receives the positioning request information M of the relay node module, extracts all RSSI values in the positioning request information M after receiving the positioning request information M, and calculates an average value after removing the maximum value and the minimum value of a group of RSSI values in a set time period T, and the average value is used as the first RSSI value of the relay node which requests positioning;
the path loss factor calculation module is used for calculating a path loss factor and sending a path loss factor request R to the sensor node module A for the relay node with the determined first RSSI value; the sensor node module A receiving the path loss factor request R sends second RSSI to other relay nodes or other sensor node modules A in a surrounding one-hop range, the other sensor node modules A only receive second RSSI values sent by the sensor node modules A or other relay nodes in the one-hop range except the relay node requiring positioning, the relay node receiving the second RSSI values calculates a path loss factor n, and replies the path loss factor n to the relay node requiring positioning;
The second calculation module is used for calculating the distance between the sensor node modules A, and after the relay node receives the path loss factor n value, the distance between the sensor node modules A is calculated based on the n value;
the decision module A is used for deciding the transmission mode of the flow rate detection data; setting a distance threshold, then judging whether the calculation result of the second calculation module is lower than the distance threshold, if so, transmitting the flow rate data stored in the sensor node module A of which the calculation result is lower than the distance threshold in the second calculation module to a relay node connected with the sensor node module A, and transmitting the flow rate detection data in the water pressurizing test based on the relay node; if not, the flow velocity detection data in the pressurized water test is collected and transmitted based on the sensor node without processing;
The decision module B is used for deciding the transmission mode of the pressure detection data; setting a distance threshold, then judging whether the calculation result of the second calculation module is lower than the distance threshold, if so, transmitting the flow speed data stored in the sensor node module B of which the calculation result is lower than the distance threshold in the second calculation module to a relay node connected with the sensor node module B, and transmitting pressure detection data in a water pressurizing test based on the relay node; and if not, not processing, and acquiring and transmitting pressure detection data in the water pressing test based on the sensor node module B.
Optionally, a fault detection module is included;
the fault detection module is used for setting the RSSI 0 of the initialized sensor node, moving the set distance to the other sensor nodes which are normally communicated within the one-hop range of the initialized sensor node module, then detecting whether the RSSI value of the sensor node is lower than the RSSI 0, if so, continuing to move the set distance to the other sensor nodes which are normally communicated within the one-hop range of the initialized sensor node, otherwise, detecting whether the packet loss rate rho of the sensor node is equal to zero, if the packet loss rate rho is equal to zero, setting a new sensor node at the position, and if the packet loss rate rho is larger than zero, continuing to move the set distance to the other sensor nodes which are normally communicated within the one-hop range of the initialized sensor node module, wherein the sensor node module comprises a sensor node module A and a sensor node module B.
optionally, the sensor node includes an MCU module, a memory module, a communication module, a sensor module and a power module, and the memory module, the communication module, the sensor module and the power module are respectively connected to the MCU module.
In other technical features of the embodiment, those skilled in the art can flexibly select and use the features according to actual situations to meet different specific actual requirements. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known algorithms, methods or systems have not been described in detail so as not to obscure the present invention, and are within the scope of the present invention as defined by the claims.
For simplicity of explanation, the foregoing method embodiments are described as a series of acts or combinations, but those skilled in the art will appreciate that the present application is not limited by the order of acts, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.
those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The disclosed systems, modules, and methods may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be only one logical division, and there may be other divisions in actual implementation, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be referred to as an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may also be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It will be understood by those skilled in the art that all or part of the processes in the methods for implementing the embodiments described above can be implemented by instructing the relevant hardware through a computer program, and the program can be stored in a computer-readable storage medium, and when executed, the program can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a ROM, a RAM, etc.
the foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A pressurized water test detection feedback control system in grouting engineering is characterized by comprising a pressurized water detection module, a control module and an execution module;
the pressurized water detection module is used for detecting pressure data and flow rate data of a test borehole, a decision module is arranged in the pressurized water detection module, and the decision module is used for deciding a transmission mode of detection data;
the control module is used for issuing an instruction for controlling grouting equipment according to the pressure data and the flow rate data detected by the pressurized water detection module;
And the execution module is used for receiving and executing the command issued by the control module.
2. The pressurized water test detection feedback control system in grouting engineering according to claim 1, characterized by comprising a pressure regulation module; the pressure adjusting module is used for adjusting the opening of the electric valve according to the instruction of the execution module so as to control pressure fluctuation.
3. the pressurized water test detection feedback control system in grouting engineering according to claim 1 or 2, wherein the pressurized water detection module comprises a sensor node module A, a sensor node module B, a relay node module, a first calculation module, a path loss factor calculation module, a second calculation module, a decision module A and a decision module B;
The sensor node module A is provided with a current meter probe, the sensor node module A is arranged at the position of grouting equipment, and each grouting equipment is provided with at least one sensor node module A; detecting whether a grouting equipment control system sends a data acquisition instruction or not, if so, slowly placing a current meter probe arranged at the sensor node into a test borehole through a servo system, wherein the current meter probe is used for acquiring current data in the test borehole and storing the acquired current data in a sensor node module A;
The sensor node module B is internally provided with a pressure sensor probe and is used for detecting whether a grouting equipment control system sends a data acquisition instruction or not, if so, acquiring pressure data in a test drilling hole through the pressure sensor probe and storing the acquired pressure data in the sensor node module B;
The system comprises a relay node module, a positioning module and a positioning module, wherein the relay node module is provided with at least one relay node, the relay node is connected with a plurality of sensor node modules A, and the relay node periodically broadcasts positioning request information M to the sensor node modules A within a one-hop range around;
The first calculation module is used for calculating a first RSSI value of the relay node, the sensor node module A which stores flow rate data receives the positioning request information M of the relay node module, extracts all RSSI values in the positioning request information M after receiving the positioning request information M, and calculates an average value after removing the maximum value and the minimum value of a group of RSSI values in a set time period T, and the average value is used as the first RSSI value of the relay node which requests positioning;
the path loss factor calculation module is used for calculating a path loss factor and sending a path loss factor request R to the sensor node module A for the relay node with the determined first RSSI value; the sensor node module A receiving the path loss factor request R sends second RSSI to other relay nodes or other sensor node modules A in a surrounding one-hop range, the other sensor node modules A only receive second RSSI values sent by the sensor node modules A or other relay nodes in the one-hop range except the relay node requiring positioning, the relay node receiving the second RSSI values calculates a path loss factor n, and replies the path loss factor n to the relay node requiring positioning;
The second calculation module is used for calculating the distance between the sensor node modules A, and after the relay node receives the path loss factor n value, the distance between the sensor node modules A is calculated based on the n value;
The decision module A is used for deciding the transmission mode of the flow rate detection data; setting a distance threshold, then judging whether the calculation result of the second calculation module is lower than the distance threshold, if so, transmitting the flow rate data stored in the sensor node module A of which the calculation result is lower than the distance threshold in the second calculation module to a relay node connected with the sensor node module A, and transmitting the flow rate detection data in the water pressurizing test based on the relay node; if not, the flow velocity detection data in the pressurized water test is collected and transmitted based on the sensor node without processing;
the decision module B is used for deciding the transmission mode of the pressure detection data; setting a distance threshold, then judging whether the calculation result of the second calculation module is lower than the distance threshold, if so, transmitting the flow speed data stored in the sensor node module B of which the calculation result is lower than the distance threshold in the second calculation module to a relay node connected with the sensor node module B, and transmitting pressure detection data in a water pressurizing test based on the relay node; and if not, not processing, and acquiring and transmitting pressure detection data in the water pressing test based on the sensor node module B.
4. the pressurized water test detection feedback control system in grouting engineering according to claim 3, characterized by comprising a fault detection module;
The fault detection module is used for setting the RSSI 0 of the initialized sensor node, moving the set distance to the other sensor nodes which are normally communicated within the one-hop range of the initialized sensor node module, then detecting whether the RSSI value of the sensor node is lower than the RSSI 0, if so, continuing to move the set distance to the other sensor nodes which are normally communicated within the one-hop range of the initialized sensor node, otherwise, detecting whether the packet loss rate rho of the sensor node is equal to zero, if the packet loss rate rho is equal to zero, setting a new sensor node at the position, and if the packet loss rate rho is larger than zero, continuing to move the set distance to the other sensor nodes which are normally communicated within the one-hop range of the initialized sensor node module, wherein the sensor node module comprises a sensor node module A and a sensor node module B.
5. The pressurized water test detection feedback control system in grouting engineering according to claim 3 or 4, wherein the sensor node comprises an MCU module, a memory module, a communication module, a sensor module and a power module, and the memory module, the communication module, the sensor module and the power module are respectively connected with the MCU module.
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| JP2007332593A (en) * | 2006-06-13 | 2007-12-27 | Nittoc Constr Co Ltd | Grouting system and grout |
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| JP2007332593A (en) * | 2006-06-13 | 2007-12-27 | Nittoc Constr Co Ltd | Grouting system and grout |
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Application publication date: 20191210 |