CN110106873B

CN110106873B - Construction monitoring method for compacted sand pile and online monitor thereof

Info

Publication number: CN110106873B
Application number: CN201910399745.2A
Authority: CN
Inventors: 周俊; 汪攀峰; 徐芦军; 张午昀
Original assignee: Zhejiang Zhiwo Lingcheng Technology Co ltd
Current assignee: Zhejiang Zhiwo Lingcheng Technology Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-09-25
Anticipated expiration: 2039-05-14
Also published as: CN110106873A

Abstract

The invention provides a monitoring method for construction of compacted sand piles and an online monitor thereof, wherein the method comprises the following steps: determining construction operation; judging whether the construction operation is suspended; if the construction operation is suspended, setting the construction operation state as a suspended state; waiting for construction operation to recover; judging whether the construction operation is in a starting state, a suspending state or an ending state; if the construction operation is in a suspended state, continuing to wait for the construction operation to be recovered; if the construction operation is in a starting state, judging whether the depth is reset or not; if the depth is not reset, resetting the depth to 0, and if the depth is reset, finishing the construction; if the construction operation is in the end state, the construction data is settled and reported; if the construction operation is not suspended, judging whether the construction operation is terminated; if the construction operation is not terminated, the second data processing is carried out to continue the construction; and if the construction operation is terminated, settling the construction data and reporting the construction data. The invention can monitor the construction information in the construction process and realize the monitoring performance of the construction data.

Description

Construction monitoring method for compacted sand pile and online monitor thereof

Technical Field

The invention belongs to the technical field of construction, and particularly relates to a construction monitoring method of a compacted sand pile and an online monitoring instrument thereof.

Background

The method of sand compaction pile is a common method for treating soft foundation. The method has the effects of improving the bearing capacity of the foundation, reducing settlement, preventing vibration liquefaction and the like. The principle is that a steel pipe is sunk into foundation soil at a certain interval by means of impact or vibration and the like to be extruded to form a hole, then sand is poured into the pipe while pulling the pipe and the pipe is vibrated to be compacted to form a sandy column, and the effect of compacting the whole foundation is achieved.

The prior art has the following disadvantages: 1. the existing construction system for the compacted sand pile only can carry out construction operation and does not have the functions of real-time online monitoring of the construction process, saving and tracing of construction historical data and the like; in the operation engineering, the problems that the operation is completely dependent on the experience and responsibility of constructors and the supervision difficulty of engineering management units is high exist. 2. At present, the sand pile construction equipment has the inconvenience that a matched electrical control cabinet is far away from a cab of a pile machine and needs to be operated from two places, and the sand pile construction efficiency is influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides an online monitor for a compacted sand pile, which can monitor filler information and realize the monitorability of data in the construction process of the compacted sand pile. The technical scheme is as follows:

a construction monitoring method for a compacted sand pile comprises the following steps:

determining construction operation;

judging whether the construction operation is suspended;

if the construction operation is suspended, setting the construction operation state as a suspended state;

waiting for the construction operation to recover;

judging whether the construction operation is in a starting state, a suspending state or an ending state;

if the construction operation is in a suspended state, continuing to wait for the construction operation to be recovered;

if the construction operation is in a starting state, judging whether the depth is reset or not;

if the depth is not reset, resetting the depth to 0, and if the depth is reset, finishing the construction;

if the construction operation is in an end state, settling construction data and reporting;

if the construction operation is not suspended, judging whether the construction operation is terminated;

if the construction operation is not terminated, second data processing is carried out to continue construction;

and if the construction operation is terminated, settling the construction data and reporting the construction data.

Optionally, the construction operation is a sand pile compaction construction operation, and the second data processing includes the following steps:

acquiring and calculating current values of all physical quantities;

recording the data of each physical quantity at preset time;

updating the maximum value of each physical quantity;

judging whether the construction time spans the maximum recording time;

if not, continuously acquiring and calculating the current value of each physical quantity; if yes, storing the data.

Optionally, the physical quantity comprises one or more of voltage, current, gas pressure, water pressure, depth and amount of filler.

Optionally, when the physical quantity includes a filler quantity, the acquiring and calculating the current value of each physical quantity adopts a wireless hook scale to collect physical quantity data, and the method includes the following steps:

initializing a wireless communication port;

reading and weighing;

and calculating the amount of the seasoning.

Optionally, when the physical quantity includes a filler quantity, the acquiring and calculating the current value of each physical quantity uses a sand surface instrument to acquire physical quantity data, including the following steps:

initializing a wireless communication port;

reading the position of the sand surface;

and calculating the amount of the seasoning.

An online monitor for compacted sand piles is suitable for the construction monitoring method for the compacted sand piles, and comprises a main control module and a filling amount calculation module;

the filling amount calculation module is used for executing a second data processing flow;

the main control module is used for executing the following steps:

determining construction operation;

judging whether the construction operation is suspended;

if the construction operation is suspended, waiting for the construction operation to be resumed;

if the construction operation is not terminated, controlling a filling amount calculation module to execute a second data processing flow and continuing construction;

Optionally, the system further comprises a display module, a communication module, a positioning module, a power supply module and an acquisition channel;

the filling material amount calculation module sends the acquired physical amount to the main control module through the acquisition channel;

the display module displays construction information according to the construction information acquired by the main control module;

the communication module sends the construction information to a server or a control cabinet of the compacted sand pile for communication;

the positioning module is used for positioning the compacted sand pile;

the power supply module is used for providing electric energy for the main control module, the display module, the filling amount calculation module, the communication module and the positioning module.

Optionally, the filling amount calculation module includes a wireless hook scale or a sand level meter.

Optionally, the wireless hook scale comprises an RS485 wireless hook scale circuit;

the RS485 wireless hook scale circuit comprises an ADM2587 chip; the VCC end of the ADM2587 is connected to the GND1 end through a first capacitor; the VIN end and the VOUT end of the ADM2587 are connected and then connected to the GND2 end through a second capacitor; the RE/DE end of the ADM2587 is connected and then connected to the GND1 end through a first resistor; the TXD terminal of the ADM2587 is connected to the VCC terminal through a second resistor; the A end and the B end of the ADM2587 are respectively connected to the Y end and the Z end, the Y end is connected to the VIN end through a third resistor, and the B end is connected to the GND2 end through a fourth resistor; the GND2 end is connected to the GND1 end through a third capacitor; the A terminal and the B terminal are respectively connected to the GND2 terminal through protection devices.

Optionally, the system further comprises a current transformer, a voltage transmitter, a depth encoder or a pressure sensor, wherein the current transformer, the voltage transmitter, the depth encoder or the pressure sensor is connected to the main control module through the acquisition channel.

According to the construction monitoring method and the online monitoring instrument for the compacted sand pile, provided by the invention, the construction state is judged in real time and the construction data is obtained in real time in the construction process, so that the construction information can be monitored in the construction process, and the monitoring performance of the construction data is realized.

The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

fig. 1 is a flowchart of a method for monitoring construction of a compacted sand pile according to an embodiment of the present disclosure;

FIG. 2 is a flowchart of a second data processing method according to an embodiment of the present disclosure;

FIG. 3 is a flow chart of a method for obtaining a fill level using a wireless hook scale according to an embodiment of the present disclosure;

FIG. 4 is a flow chart of a method for obtaining a fill level using a sand level gauge according to an embodiment of the present disclosure;

FIG. 5 is a block diagram of an online monitor module for a compacted sand pile according to an embodiment of the present disclosure

Fig. 6 is a block diagram of an online monitor for compacted sand piles according to another embodiment of the present application;

fig. 7 is a schematic block diagram of a motherboard card according to an embodiment of the present application;

fig. 8 is a schematic circuit diagram of an RS485 wireless hook scale circuit according to an embodiment of the present disclosure.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

As shown in fig. 1, a method for monitoring construction of a compacted sand pile includes the following steps:

s11, determining construction operation; determining the construction operation as sand pile compaction operation; when the operation of the sand compaction pile is determined, the subsequent steps are continuously executed;

s12, judging whether the construction operation is suspended; if the construction operation is suspended, executing step S131, setting the construction operation state as a suspended state;

s132, waiting for the construction operation to recover, namely waiting for the construction operation of the compacted sand pile to be carried out again;

s133, judging whether the construction operation is in a starting, suspending or ending state; judging which specific state of starting, pausing or ending the construction operation; if the construction operation is in the suspended state, returning to the step S132 to continue waiting for the construction operation to be resumed;

if the construction operation is in the starting state, the step S134 is performed to determine: judging whether the depth is reset, namely judging whether the depth of the compacted sand pile is reset;

if the depth is not reset, executing step S135 to reset the depth to 0, and if the depth is reset, ending the construction;

if the construction operation is judged to be in the end state in the judgment step S133, the construction data is settled and reported, and the construction operation is ended;

if it is determined in the determination step S12 that the construction operation is not suspended, then step S14 is performed to determine whether the construction operation is terminated;

if the construction operation is not terminated, executing step S16: second data processing is carried out to continue construction;

if the construction operation has been terminated, go to step S15: and (5) settling the construction data and reporting, and ending the construction operation. In the embodiment, the recording function of the construction of the compacted sand pile mainly realizes the function of collecting and counting all real-time construction parameters in the construction operation of the pile machine. The collected data/operation data are recorded in a storage system in the instrument by taking time as a base axis, and the whole construction operation parameters of the pile driver are completely recorded so as to be used for inspection and detection, storage and filing and history tracing of a construction unit, an inspection unit and an owner unit. Wherein the real-time processing of the data is done in seconds of data processing.

Further, in one embodiment, as shown in fig. 2, the step S16 second data processing includes the following steps:

s161: acquiring and calculating current values of all physical quantities; physical quantities such as packing quantity of the compacted sand pile, current, voltage, pressure, which are related to construction parameters;

s162: recording the data of each physical quantity at preset time; in a specific embodiment, the preset time may be 1 second, that is, each physical quantity data is recorded once per second;

s163: updating the maximum value of each physical quantity;

s164: judging whether the construction time spans the maximum recording time;

if not, returning to the step S161 to continuously obtain and calculate the current value of each physical quantity; if the construction time has crossed the maximum recording time, S165: storing the data; the second data processing ends.

In the above embodiments, the optional physical quantity includes one or more of voltage, current, air pressure, water pressure, depth and amount of filler.

In the above embodiment, when the physical quantity includes a filler quantity, the step S161 of obtaining and calculating the current value of each physical quantity may adopt a wireless hook scale to collect physical quantity data, as shown in fig. 3, and specifically includes the following steps:

s16111, initializing a wireless communication port;

s16112, reading and weighing;

and S16113, calculating the seasoning amount.

The physical realization form of the wireless hook scale is that the wireless hook scale additionally arranged on the pile machine equipment is used for weighing the filling amount, and the receiver of the wireless hook scale is connected with the host of the monitor through wireless communication, such as RS485 communication form. The collection work of the weight of the filler is realized.

When the physical quantity includes a filler quantity, the step S161 of obtaining and calculating the current value of each physical quantity may also adopt a sand level meter to collect physical quantity data, as shown in fig. 4, specifically including the following steps:

s16121: initializing a wireless communication port;

s16122: reading the position of the sand surface;

s16123: and calculating the amount of the seasoning.

The sand surface instrument, like the ultrasonic sand surface instrument that relies on installing additional on stake machine equipment to carry out real-time measurement to feed cylinder sand surface height, the reduction of its height is the volume of putting down the grit promptly, and its receiver passes through RS485 communication form and connects the monitor host computer to through the mode of density conversion. And multiplying the reduced volume of the sand material of the charging barrel by the calibrated density of the sand material, and converting the volume into the weight of the filler, thereby realizing the acquisition work of the weight of the filler. The sand surface instrument can be communicated with the receiver in an RF wireless mode, and the receiver is connected with the monitoring instrument host in a wireless communication mode, such as an RS485 communication mode, so that the communication of a data link is realized.

Based on the construction monitoring method of the compacted sand pile, the embodiment of the application also provides an online monitoring instrument of the compacted sand pile, which comprises a main control module and a packing amount calculation module;

the main control module is used for executing the method for monitoring the construction of the compacted sand pile shown in the figure 1, and the method specifically comprises the following steps:

if the construction operation is not terminated, controlling the filling amount calculation module to execute the step S16 second data processing flow and continuing construction;

if the construction operation has been terminated, go to step S15: and (5) settling the construction data and reporting, and ending the construction operation.

As shown in fig. 5, in one embodiment, the online monitor for compacted sand pile construction further includes a display module 13, a communication module 15, a positioning module 16, a power supply module 12, and a collection channel 17;

the filling material amount calculation module 14 sends the acquired physical amount to the main control module 11 through the acquisition channel 17;

the display module 13 displays construction information according to the construction information acquired by the main control module 11;

the communication module 15 sends the construction information to a server or a control cabinet of the compacted sand pile for communication;

the positioning module 16 is used for positioning the compacted sand pile;

the power supply module 12 is used for providing electric energy for the main control module, the display module, the filling amount calculation module, the communication module and the positioning module. Wherein, this monitor adopts host computer module and display module separation, more adapts to the narrow and small environment in stake machine driver's cabin.

In one embodiment, as shown in FIG. 6, the fill level calculation module 14 includes a wireless hook scale 141 or a sand level gauge 142. The physical realization form of the wireless hook scale is that the wireless hook scale additionally arranged on the pile machine equipment is used for weighing the filler amount, and the receiver of the wireless hook scale is connected with the host of the monitor through an RS485 communication form, so that the acquisition work of the filler weight is realized. The physical realization form of the sand surface instrument is that the sand surface instrument additionally arranged on the pile machine equipment is used for measuring the height of the sand surface of the charging barrel in real time, the reduction of the height is the volume of the downward sand, and the receiver is connected with the host of the monitoring instrument through an RS485 communication form and is converted through density. And multiplying the reduced volume of the sand material of the charging barrel by the calibrated density of the sand material, and converting the volume into the weight of the filler, thereby realizing the acquisition work of the weight of the filler. The sand surface instrument is communicated with the receiver in an RF wireless mode, and the receiver is connected with the monitoring instrument host in an RS485 communication mode to achieve communication of a data link.

Further, the wireless hook scale may include an RS485 wireless hook scale circuit; as shown in fig. 8, the RS485 wireless hook scale circuit in one embodiment includes an ADM2587 chip; the VCC end of the ADM2587 is connected to the GND1 end through a first capacitor C1; the VIN end of the ADM2587 is connected with the VOUT end and then is connected to the GND2 end through a second capacitor C2; the RE/DE end of the ADM2587 is connected and then connected to the GND1 end through a first resistor R1; the TXD terminal of the ADM2587 is connected to the VCC terminal through a second resistor R2; the A end and the B end of the ADM2587 are respectively connected to the Y end and the Z end, the Y end is connected to the VIN end through a third resistor R3, and the B end is connected to the GND2 end through a fourth resistor R4; the GND2 terminal is connected to the GND1 terminal through a third capacitor C3; the A terminal and the B terminal are respectively connected to the GND2 terminal through protection devices. Further, in this embodiment, the protection device includes 1SMB12CAT 3G.

As shown in fig. 6, in an embodiment, the online monitor for compacted sand piles may further include a current transformer 18, a voltage transmitter 19, a depth encoder 20, or a pressure sensor 21, and the current transformer 18, the voltage transmitter 19, the depth encoder 20, or the pressure sensor 21 is connected to the main control module 11 through the collecting channel 17. These sensors may each employ a DC24V power supply system, standard 4-20ma input, frequency output, etc. interface. In this embodiment, this monitor can gather each major key construction data in the stirring stake work progress in real time, include: pile depth, inseparable electric current, filler volume, air compressor machine pressure, pump machine pressure, real-time geographical position information etc. can also statistics in real time and analyze out technological parameter, include: pile length, contrast frequency, contrast depth and other construction data dynamic curves. The intelligent construction control system has the advantages that construction can be intelligently controlled, the recorder can be controlled to conduct construction according to current analysis data in construction and design parameters, recording parameters can be recorded in real time, statistical parameters are sent to the Internet of things platform through a wireless network, and the functions of remote construction management supervision and historical data statistical storage are achieved.

Further, the communication module 15 includes a first communication unit and a second communication unit, the first communication unit is in communication connection with the server; the second communication unit is in communication connection with the pulping control cabinet. In a specific embodiment, as shown in fig. 2, the first communication unit includes an LTE communication unit 151, and the LTE communication unit 151 includes a multi-constellation GNSS receiver; the second communication unit includes a LORA communication unit 152. LTE (Long Term Evolution) is a Long Term Evolution of UMTS (universal mobile Telecommunications System) technical standard organized by 3GPP (The 3rd generation Partnership Project), which was formally established and started in 3GPP multi-toronto conference in 12 months in 2004. The LTE system introduces key technologies such as OFDM (Orthogonal frequency division Multiplexing) and MIMO (Multi-Input & Multi-Output), which significantly increases the spectrum efficiency and data transmission rate (20M bandwidth 2X2MIMO is, in 64QAM, the theoretical downlink maximum transmission rate is 201Mbps, and is approximately 150Mbps after the signaling overhead is removed, but according to the practical networking and terminal capability limitations, the downlink peak rate is generally considered to be 100Mbps, and the uplink is 50Mbps), and supports multiple bandwidth allocation: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz, 20MHz, etc. The LoRa is one of LPWAN communication technologies, and is an ultra-long-distance wireless transmission scheme based on spread spectrum technology adopted and popularized by Semtech corporation in the united states. GNSS System — GNSS is an abbreviation for Global Navigation Satellite System. In this embodiment, the LTE communication unit mainly implements a function of performing wireless communication between the monitor and the server master station, and specifically, may use a Quectel company EC20 module as a core, and may use an LTE 3GPP rel.11 technology to support a maximum downlink rate of 150Mbps and a maximum uplink rate of 50 Mbps; and the module integrates a plurality of constellation GNSS receivers, the requirements for quick and accurate positioning under different environments are met, the data can be reported to the server through the 4G network through the LTE-4G, the real-time uploading of the data is realized, the data is stored, and the traceability is guaranteed. The LORA communication unit mainly realizes the wireless communication function of the compacted sand pile monitor and the control cabinet, has the advantages of low power consumption, long communication distance and no communication charge by adopting an LORA technology, particularly adopts SD4RF-2F717N30 of Lierda company as a core, is a high-performance Internet of things wireless transceiver based on a radio frequency module of an SEMTECH radio frequency integrated chip SX127X in the LORA communication unit, can greatly increase the communication distance by adopting a special LoRa debugging mode, can be widely applied to the field of short-distance Internet of things wireless communication in various occasions, and has the advantages of small volume, low power consumption, long transmission distance, strong anti-interference capability and the like; working frequency band: 401-510; the communication limited distance reaches 5km @250 bps. The positioning of the compacted sand pile is realized through the GNSS (GPS + Beidou) positioning function, and the pile number is ensured to be corresponding to and proofread by design.

Further, the power supply module comprises a power circuit, and the power circuit comprises an isolation transformer and a two-way switch power supply, wherein one way of the switch power supply is connected to the main control module, and the other way of the switch power supply is connected to the seasoning amount calculation module or other sensors shown in fig. 6. In one embodiment, the main machine is supplied with alternating current with 220V voltage, and the circuit design adopts the form of connecting an isolation transformer and a two-way switch power supply in series, and finally outputting the alternating current to a 24V direct current power supply with two-way isolation of a control system. The isolation transformer plays a role of a low-pass filter in a power supply system, can effectively isolate power supply disturbance in a construction operation environment, and protects a host. The double-path switching power supply has a wide voltage input range of 110v-240v, and isolated double-path 24v direct current output, so that a system power supply of a main control system can be isolated from a sensor circuit power supply, and the adoption accuracy is improved.

Further, as shown in fig. 7, the main control module includes a main control board, where the main control board includes an EEPROM, a flash, or an RTC processor, and the main control board includes an acquisition module including an acquisition input of 16 paths of analog quantity, a control output of 2 paths of analog quantity, an acquisition input of 8 paths of switching quantity, an acquisition output of 6 paths of switching quantity, and an acquisition input of 2 paths of frequency signals; the wired communication interface comprises an RS232 serial interface, an RS485 serial interface, an RJ45 Ethernet interface and a USB3.0 serial communication bus; the MCU on the main control board card can adopt NXP-LPC 1768. The main control board card 11 has rich acquisition port lines (acquisition modules for acquisition input of 16 paths of analog quantity, control output of 2 paths of analog quantity, acquisition input of 8 paths of switching quantity, acquisition output of 6 paths of switching quantity and acquisition input of 2 paths of frequency signals), and supports pile machine types of various models, including all models in the market such as single-head, double-head and three-head.

In the embodiment, the display module is used for realizing human-computer interaction display, and the touch screen computer with a configuration framework can be adopted for realizing the human-computer interaction display. In the design of configuration software, the functions of displaying monitoring data of the compacted sand piles, issuing engineering management information on a web master station, displaying data of construction statistical analysis, inputting construction operation and the like are combined.

The application provides a crowded density sand stake on-line monitoring appearance has following advantage:

1. advanced control panel card design: the acquisition module comprises 16 paths of acquisition input of analog quantity, 2 paths of control output of the analog quantity, 8 paths of acquisition input of switching quantity, 6 paths of acquisition output of the switching quantity and 2 paths of acquisition input of frequency signals; the limited communication interface comprises an RS232 serial interface, an RS485 serial interface, an RJ45 Ethernet interface and a USB3.0 serial communication bus; the wireless communication interface comprises an LTE part and an LORA part.

2. And configuring a man-machine interaction interface of the architecture. The design of the human-computer interaction interface is based on the configuration of an industrial touch screen computer, and the human-computer interaction interface has the advantages of high reliability, high processing performance, convenience in customization and convenience in interaction mode. Independent of the control board card, the modularization of the system is more thorough, and the reliability of the whole system is provided.

3. The measurement and calculation work of the filling amount can be realized according to different pile machine types.

The online monitor and the method for the compacted sand pile have the function of recording the construction of the compacted sand pile; the function mainly realizes the functions of collecting and counting all real-time construction parameters in the construction operation of the pile machine, and completely records the whole construction operation parameters of the pile machine so as to be used for inspection and detection, storage and filing, and history tracing of a construction unit, an inspection unit and an owner unit.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A monitoring method for construction of a compacted sand pile is characterized by comprising the following steps:

determining construction operation;

judging whether the construction operation is suspended;

waiting for the construction operation to recover;

2. The method for monitoring construction of compacted sand piles as claimed in claim 1, wherein the construction operation is a compacted sand pile construction operation, and the second data processing comprises the following steps:

acquiring and calculating current values of all physical quantities;

recording the data of each physical quantity at preset time;

updating the maximum value of each physical quantity;

judging whether the construction time spans the maximum recording time;

3. The method for monitoring construction of a compacted sand pile as claimed in claim 2, wherein the physical quantity comprises one or more of voltage, current, air pressure, water pressure, depth and amount of packing.

4. The method for monitoring construction of compacted sand piles as claimed in claim 3, wherein when the physical quantity comprises a filling amount, the step of acquiring and calculating the current value of each physical quantity and collecting the physical quantity data by using a wireless hook scale comprises the following steps:

initializing a wireless communication port;

reading and weighing;

and calculating the amount of the seasoning.

5. The method for monitoring construction of a compacted sand pile as claimed in claim 3, wherein when the physical quantity comprises a filling amount, the acquiring and calculating the current value of each physical quantity adopts a sand surface meter to acquire physical quantity data, and the method comprises the following steps:

initializing a wireless communication port;

reading the position of the sand surface;

and calculating the amount of the seasoning.

6. An online monitoring instrument for a compacted sand pile, which is suitable for the method for monitoring the construction of the compacted sand pile as claimed in any one of claims 1 to 5, and comprises a main control module and a filling amount calculation module;

the main control module is used for executing the following steps:

determining construction operation;

judging whether the construction operation is suspended;

7. The on-line monitoring instrument for the compacted sand pile as claimed in claim 6, further comprising a display module, a communication module, a positioning module, a power supply module and a collection channel;

the positioning module is used for positioning the compacted sand pile;

8. The on-line monitoring instrument for compacted sand piles as claimed in claim 7, wherein the filling amount calculating module comprises a wireless hook scale or a sand surface instrument.

9. The sand compaction pile on-line monitoring instrument as claimed in claim 8, wherein the wireless hook scale comprises an RS485 wireless hook scale circuit;

10. The sand compaction pile online monitor as claimed in claim 6, further comprising a current transformer, a voltage transmitter, a depth encoder or a pressure sensor, wherein the current transformer, the voltage transmitter, the depth encoder or the pressure sensor is connected to the main control module through a collection channel.