CN112286239B - Colliery is water sump intelligence drainage control system in pit based on big data - Google Patents
Colliery is water sump intelligence drainage control system in pit based on big data Download PDFInfo
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- CN112286239B CN112286239B CN202011110508.9A CN202011110508A CN112286239B CN 112286239 B CN112286239 B CN 112286239B CN 202011110508 A CN202011110508 A CN 202011110508A CN 112286239 B CN112286239 B CN 112286239B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 513
- 239000003245 coal Substances 0.000 claims abstract description 81
- 239000007788 liquid Substances 0.000 claims description 43
- 238000004891 communication Methods 0.000 claims description 31
- 238000005086 pumping Methods 0.000 claims description 25
- 238000007726 management method Methods 0.000 claims description 20
- 238000007639 printing Methods 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000013500 data storage Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption 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
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
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- Automation & Control Theory (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an intelligent drainage control system of a coal mine underground water sump based on big data, which is used for solving the problems that the prior art does not examine the working capacity and the working state of a water pump body by detecting the technical parameters of the water pump body and does not adopt different numbers of water pumps for drainage for different water level heights; the number of the started water pumps is judged according to the water level collected for the second time, and when the water level exceeds the early warning limit value, all the water pumps are directly started, so that water can be pumped and discharged rapidly, electric energy can be saved, and the purpose of saving energy is achieved.
Description
Technical Field
The invention relates to a drainage control system, in particular to an intelligent drainage control system for an underground water sump of a coal mine based on big data, and belongs to the technical field of intelligent drainage of the underground water sump of the coal mine.
Background
At present, with the rapid development of control theory and automation technology, the PLC control module is widely applied to the field of industrial control, so that automatic control of mine drainage is possible. Automatic drainage application can liberate labor force, so that the drainage water pump can be operated intelligently, and the optimal drainage function is realized.
Patent CN109343456a discloses a mine drainage control system, which comprises a man-machine interaction module, a control module, a variable frequency control module, a liquid level sensor and a water pump unit, wherein the liquid level sensor monitors mine water level information and transmits the mine water level information to the control module, the control module controls the water pump unit to operate through the variable frequency control module, the man-machine interaction module is in communication connection with the control module, the man-machine interaction module displays the mine water level information and control frequency, operation speed, control voltage and control current information of a motor of the water pump unit, and an operation control instruction of the water pump unit is sent to the control module. The system overcomes the defects of the traditional mine drainage, effectively reduces the energy consumption of the mine drainage, improves the accuracy of drainage control, reduces the workload of on-site control, lays a digital control foundation for the mine drainage, and improves the mining operation efficiency of the mine.
The underground coal mine water level detection system has the advantages that the underground coal mine environment is special, liquid level detection errors often occur in a single liquid level sensor, the working capacity and the working state of the water pump body are not inspected by detecting the technical parameters of the water pump body, and the water pump with different numbers is not adopted for draining water at different water level heights.
Disclosure of Invention
The invention aims to provide an underground water sump intelligent drainage control system based on big data, which is used for solving the problems that the working capacity and the working state of a water pump body are not inspected by detecting the technical parameters of the water pump body and the water pumps with different numbers are not adopted for drainage of different water levels in the prior art; the number of the started water pumps is judged according to the water level acquired for the second time, and when the water level exceeds the early warning limit value, all the water pumps are directly started, so that water can be pumped and discharged rapidly, electric energy can be saved, and the purpose of energy conservation is achieved;
According to the invention, the pipeline pressure of the water pump, the bearing temperature of the water pump motor, the real-time current of the water pump and the real-time voltage of the water pump are obtained, the running state value Zk of the current water pump is calculated through a formula, and if the running state value Zk of the current water pump is larger than a preset running state threshold value, the water pump is switched to pump water; if the running state value Zk of the current water pump is smaller than the preset running state threshold value, the currently acquired pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage and the running state value Zk of the water pump are sent to a server for storage through the communication module, and the water pump fault caused by long-time work of one water pump can be effectively avoided.
The aim of the invention can be achieved by the following technical scheme:
An intelligent drainage control system for underground coal mine water bins based on big data comprises an acquisition module, a control module, a server, an alarm module, an allocation module, a management module, a printing module and a communication module;
The system comprises an acquisition module, a control module and a water pump, wherein the acquisition module is used for acquiring the water level of an underground coal mine water sump and sending the acquired water level of the underground coal mine water sump to the control module, and the control module is used for controlling the water pump to automatically drain water, and the specific control method is as follows:
step one: acquiring the position of a coal mine underground water sump, and marking the coal mine underground water sump as i;
Step two: respectively acquiring the water level of a coal mine underground water bin, sending the water level value to a control module, and marking the water level value as Hi after the control module receives the water level value;
Step three: setting a water level early warning lower limit value and an early warning limit value of a coal mine underground water sump respectively, and marking the water level early warning lower limit value and the early warning limit value as Yxi and Yji respectively, wherein Yxi is less than Yji;
Step four: if Hi is less than Yxi, directly transmitting the water level value of the underground water sump of the coal mine to a server through a communication module for storage;
If Yyi < Hi < Yji, sending a pumping instruction to the distribution module, and sending the water level value of the underground water bin of the coal mine to a server for storage through the communication module;
If Yji is less than Hi, sending an alarm instruction to an alarm module, simultaneously sending a pumping instruction to an allocation module, and sending the water level value of the underground water bin of the coal mine to a server for storage through a communication module;
step five: the distribution module distributes water by the water pump after receiving the water pumping instruction, and the alarm module drives the alarm to alarm after receiving the alarm instruction;
the distribution module is used for distributing a water pump in a coal mine underground water bin to pump water, and the specific distribution mode comprises the following steps of:
T1: after the distribution module receives the pumping instruction, the distribution module randomly starts a water pump to pump water and sends a secondary acquisition instruction to the acquisition module;
t2: after the acquisition module receives the secondary acquisition instruction, the liquid level sensor is controlled to monitor the water level at regular time, and the monitored water level value is marked as Hi';
t3: if Hi' is less than Hi, maintaining the current situation, and controlling a water pump to pump water;
If Hi ' is greater than Hi, a water pump is added to pump water, and the liquid level sensor is controlled to monitor the water level at regular time, until Hi ' is less than Hi, the water pump is not continuously added, and when Hi ' is less than Yxi, the water pump is stopped to pump water;
t4: if the distribution module receives the water pumping instruction and the alarm module alarms, all water pumps are directly started to pump water;
the management module is used for managing the water pump in the underground water sump of the coal mine, and comprises the following specific management steps:
S1: acquiring the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage when the current water pump works, and sending the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage to a management module;
s2: the management module receives pipeline pressure, water pump motor bearing temperature, water pump real-time current and water pump real-time voltage and marks the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage as Pk, tk, ik and Uk respectively;
S3: calculating the running state value Zk of the current water pump by using a formula;
The calculation formula is that Wherein a1, a2, a3 and a4 are preset proportional coefficient fixed values;
S4: if the running state value Zk of the current water pump is larger than a preset running state threshold value, switching the water pump to pump water, and sending the currently acquired pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage and the running state value Zk of the water pump to a server for storage through a communication module;
If the current running state value Zk of the water pump is smaller than the preset running state threshold value, the currently acquired pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage and the running state value Zk of the water pump are sent to a server through a communication module to be stored.
Preferably, the acquisition module comprises a first liquid level sensor and a second liquid level sensor, and through comparison of the acquired quantity, when the acquired data difference value is larger, an alarm instruction is sent to the alarm module, the alarm is driven to alarm, and when the acquired data value is within an allowable error range, the acquired water level value of the first liquid level sensor is taken as a standard and sent to the control module.
Preferably, the system further comprises a monitoring module, wherein the monitoring module is an explosion-proof camera installed in the underground water sump of the coal mine, the explosion-proof camera is used for shooting the water level in each underground water sump of the coal mine and the running condition of the water pump, and an EPON network video technology is adopted to send collected video signals to a server for storage through a communication module.
Preferably, the system also comprises a switching module for switching manual control and automatic control, wherein the automatic control is mainly used for automatically detecting the water level of the underground water sump of the coal mine and automatically controlling water pumping and draining; because the underground environment of the coal mine is special, the liquid level sensor and the explosion-proof camera are required to be overhauled in time and cleaned at regular time; the mine sump has poor water quality and more silt, so that the water pump cannot be used normally, when the conditions occur, the manual control mode is started, and the switching time is not longer than five minutes.
Preferably, the acquisition module further comprises a pressure sensor, a temperature sensor, a current transformer, a voltage transformer and a power supply, wherein the power supply is used for supplying power to the pressure sensor, the temperature sensor, the current transformer, the voltage transformer, the first liquid level sensor and the second liquid level sensor.
Preferably, the server is used for data storage, the stored data comprise water level Hi of a water sump, water level Hi' acquired for the second time, pipeline pressure Pk, water pump motor bearing temperature Tk, water pump real-time current Ik, water pump real-time voltage Uk and running state value Zk, and the stored data are generated into a report.
Preferably, the system further comprises a printing module, wherein the printing module is used for printing a report generated by the server, and the report comprises a water level day report, a water level alarm day report and a water pump state value day report.
Preferably, the system further comprises a statistics module, wherein the statistics module is used for counting the total daily drainage amount, the daily water pump operation time and the daily alarm times.
Preferably, the system further comprises a display module, wherein the display module is used for displaying the following contents:
1. The data display content should include: the water level value, the water level value acquired for the second time, the water level early warning lower limit value, the early warning limit value, the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage, the running state value of the water pump, the water pump starting times, the sensor working state, the alarm and the alarm releasing state and moment;
2. displaying a system device layout diagram: the display content should include: the system comprises a pressure sensor, a temperature sensor, a current transformer, a voltage transformer, a first liquid level sensor, a second liquid level sensor, a water pump, an explosion-proof camera and other equipment names, relative positions and running states, and if the system is large, a display screen can not be accommodated, roaming, paging or local amplification of a total image can be realized.
Preferably, the water pump is a mobile water pump, comprising a mobile wheel, a trailer rear side plate, a rotary motor, a switch button, a connecting block, a water outlet flange, a pump disc, a water inlet flange, a dragging block, a water pump base, a trailer front side plate, a trailer bottom plate, a dragging hole, a water pump body, a motor base, a mounting hole, a bolt, an output shaft, an impeller, a radial ball bearing, a stop washer and a round nut, wherein the water pump base is arranged on the upper side of the trailer bottom plate, the motor base is arranged on the upper side of the trailer bottom plate, and the water pump body is arranged on the upper side of the water pump base;
The water pump comprises a water pump body, wherein the water pump body comprises a rotating motor, a switch button is arranged on the upper side of the rotating motor, a connecting block is arranged on the surface of the rotating motor, a mounting hole is formed in the connecting block, the rotating motor is arranged on the upper side of a motor base, one end of the connecting block is fixed on the surface of the rotating motor, the other end of the connecting block is connected with a pump disc through a bolt, a water outlet flange is arranged at the upper end of the pump disc, a water outlet is formed in the water outlet flange, a water inlet flange is arranged at one side, far away from the rotating motor, of the pump disc, a water inlet is formed in the water inlet flange, an output shaft is arranged in the rotating motor, an impeller is arranged in the pump disc, a radial ball bearing is arranged in the pump disc, the output shaft penetrates through the radial ball bearing and is connected with the impeller, a stop washer is arranged outside the radial ball bearing, and a round nut is arranged outside the stop washer;
The trailer comprises a trailer bottom plate, a trailer front side plate and a trailer rear side plate, wherein moving wheels are arranged at four corners of the lower side of the trailer bottom plate, a dragging block is arranged on the surface of the trailer front side plate, and dragging holes are formed in the dragging block.
Preferably, the water flow channel inside the water pump body and the surface of the water pump body are coated with anti-corrosion materials; the connecting block is connected with the pump disc through a bolt, and a sealing gasket is arranged at the connecting part; and the flange surfaces of the water outlet flange and the water inlet flange are provided with connecting holes.
Compared with the prior art, the invention has the beneficial effects that:
1. Realize unmanned, intelligent of sump drainage. Acquiring the water level of a coal mine underground water bin, sending the water level value to a control module, and marking the water level value as Hi after the control module receives the water level value; by comparing the water level value with the water level early warning lower limit value and the early warning limit value of the underground water sump of the coal mine, water is automatically discharged and the pump is stopped in time, the unmanned operation of the water sump of each mining area is realized, and the labor intensity and the labor cost are reduced.
2. And monitoring the data of the motor and the pump group in real time. Respectively marking the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage as Pk, tk, ik and Uk by acquiring the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage when the current water pump works; the running state value Zk of the current water pump is obtained through calculation, and then the running state value Zk of the current water pump is compared with the preset running state threshold value, so that the water pump is prevented from being damaged due to overlong service time of one water pump, the function of automatic pump stopping is realized, resources are effectively utilized, and the running period of equipment is prolonged.
3. The automatic control device is provided with a switching module for switching manual control and automatic control, wherein the automatic control is mostly used for automatically detecting the water level of a water sump under a coal mine and automatically controlling water pumping and draining; because the underground environment of the coal mine is special, the liquid level sensor and the explosion-proof camera are required to be overhauled in time and cleaned at regular time; the mine sump quality of water is relatively poor, silt is more, leads to the water pump to be unable to normally use, when the above condition appears, opens manual control mode, and the switching time must not be more than five minutes, has avoided the incident that brings because of the mistake of circuit or procedure.
4. And real-time remote video monitoring is realized. The monitoring module is an explosion-proof camera installed in the underground water sump of the coal mine, the explosion-proof camera is used for shooting the water level in the underground water sump of each coal mine and the running condition of the water pump, an EPON network video technology is adopted, collected video signals are sent to a server for storage through the communication module, a technician can visually see the working condition of equipment and the geological condition of the water sump, and the on-site drainage system can be scheduled and maintained remotely in time.
5. According to the invention, the liquid level sensor I and the liquid level sensor II are arranged, and through comparing the acquired data, when the acquired data difference is larger, an alarm instruction is sent to the alarm module, the alarm is driven to alarm, when the acquired data value is within the allowable error range, the water level value acquired by the liquid level sensor I is taken as a standard and sent to the control module, so that the acquisition error of the liquid level sensor is reduced, and timely maintenance is performed.
6. The trailer bottom plate of the mobile water pump is connected with the trailer front side plate and the trailer rear side plate, the four corners of the lower side of the trailer bottom plate are provided with the mobile wheels, the surfaces of the trailer front side plate are provided with the dragging blocks, the inside of the dragging blocks is provided with dragging holes, the mobile wheels are rubber wheels, so that the mobile water pump can be suitable for different underground road environments of a coal mine, the dragging blocks are arranged, the inside of the dragging blocks is provided with the dragging holes, and under the condition of poor road environments, a mode of combining manual pushing and pulling can be adopted, so that the mobile water pump is convenient to move; the water flow channel inside the water pump body and the surface of the water pump body are coated with anti-corrosion materials, and the anti-corrosion materials can effectively prevent the mobile water pump from being corroded, so that the service life of the mobile water pump is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a functional block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an intelligent drainage control system for underground water sump of coal mine based on big data comprises an acquisition module, a control module, a server, an alarm module, an allocation module, a management module, a printing module and a communication module;
The system comprises an acquisition module, a control module and a water pump, wherein the acquisition module is used for acquiring the water level of an underground coal mine water sump and sending the acquired water level of the underground coal mine water sump to the control module, and the control module is used for controlling the water pump to automatically drain water, and the specific control method is as follows:
step one: acquiring the position of a coal mine underground water sump, and marking the coal mine underground water sump as i;
Step two: respectively acquiring the water level of a coal mine underground water bin, sending the water level value to a control module, and marking the water level value as Hi after the control module receives the water level value;
Step three: setting a water level early warning lower limit value and an early warning limit value of a coal mine underground water sump respectively, and marking the water level early warning lower limit value and the early warning limit value as Yxi and Yji respectively, wherein Yxi is less than Yji;
Step four: if Hi is less than Yxi, directly transmitting the water level value of the underground water sump of the coal mine to a server through a communication module for storage;
If Yyi < Hi < Yji, sending a pumping instruction to the distribution module, and sending the water level value of the underground water bin of the coal mine to a server for storage through the communication module;
If Yji is less than Hi, sending an alarm instruction to an alarm module, simultaneously sending a pumping instruction to an allocation module, and sending the water level value of the underground water bin of the coal mine to a server for storage through a communication module;
step five: the distribution module distributes water by the water pump after receiving the water pumping instruction, and the alarm module drives the alarm to alarm after receiving the alarm instruction;
the distribution module is used for distributing a water pump in a coal mine underground water bin to pump water, and the specific distribution mode comprises the following steps of:
T1: after the distribution module receives the pumping instruction, the distribution module randomly starts a water pump to pump water and sends a secondary acquisition instruction to the acquisition module;
t2: after the acquisition module receives the secondary acquisition instruction, the liquid level sensor is controlled to monitor the water level at regular time, and the monitored water level value is marked as Hi';
t3: if Hi' is less than Hi, maintaining the current situation, and controlling a water pump to pump water;
If Hi ' is greater than Hi, a water pump is added to pump water, and the liquid level sensor is controlled to monitor the water level at regular time, until Hi ' is less than Hi, the water pump is not continuously added, and when Hi ' is less than Yxi, the water pump is stopped to pump water;
t4: if the distribution module receives the water pumping instruction and the alarm module alarms, all water pumps are directly started to pump water;
the management module is used for managing the water pump in the underground water sump of the coal mine, and comprises the following specific management steps:
S1: acquiring the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage when the current water pump works, and sending the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage to a management module;
s2: the management module receives pipeline pressure, water pump motor bearing temperature, water pump real-time current and water pump real-time voltage and marks the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage as Pk, tk, ik and Uk respectively;
S3: calculating the running state value Zk of the current water pump by using a formula;
The calculation formula is that Wherein a1, a2, a3 and a4 are preset proportional coefficient fixed values;
S4: if the running state value Zk of the current water pump is larger than a preset running state threshold value, switching the water pump to pump water, and sending the currently acquired pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage and the running state value Zk of the water pump to a server for storage through a communication module;
If the current running state value Zk of the water pump is smaller than the preset running state threshold value, the currently acquired pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage and the running state value Zk of the water pump are sent to a server through a communication module to be stored.
The acquisition module comprises a first liquid level sensor and a second liquid level sensor, and is used for comparing the acquired data, sending an alarm instruction to the alarm module when the acquired data difference is large, driving the alarm to alarm, and sending the alarm to the control module by taking the water level value acquired by the first liquid level sensor as a standard when the acquired data value is within an allowable error range.
The system further comprises a monitoring module, wherein the monitoring module is an explosion-proof camera installed in the underground water sump of the coal mine, the explosion-proof camera is used for shooting the water level in the underground water sump of each coal mine and the running condition of the water pump, and an EPON network video technology is adopted to send collected video signals to a server for storage through a communication module.
The system also comprises a switching module for switching manual control and automatic control, wherein the automatic control is mainly used for automatically detecting the water level of the underground water sump of the coal mine and automatically controlling water pumping and draining; because the underground environment of the coal mine is special, the liquid level sensor and the explosion-proof camera are required to be overhauled in time and cleaned at regular time; the mine sump has poor water quality and more silt, so that the water pump cannot be used normally, when the conditions occur, the manual control mode is started, and the switching time is not longer than five minutes.
The acquisition module further comprises a pressure sensor, a temperature sensor, a current transformer, a voltage transformer and a power supply, wherein the power supply is used for supplying power to the pressure sensor, the temperature sensor, the current transformer, the voltage transformer, the first liquid level sensor and the second liquid level sensor.
The server is used for data storage, stored data comprise water level Hi of a water sump, water level Hi' acquired for the second time, pipeline pressure Pk, water pump motor bearing temperature Tk, water pump real-time current Ik, water pump real-time voltage Uk and running state value Zk, and the stored data are used for generating a report.
The system also comprises a printing module, wherein the printing module is used for printing a report generated by the server, and the report comprises a water level day report, a water level alarm day report and a water pump state value day report.
The system further comprises a statistics module, wherein the statistics module is used for counting the total daily drainage amount, the daily water pump operation time and the daily alarm times.
The system also comprises a display module, wherein the display module is used for displaying the following contents:
1. The data display content should include: the water level value, the water level value acquired for the second time, the water level early warning lower limit value, the early warning limit value, the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage, the running state value of the water pump, the water pump starting times, the sensor working state, the alarm and the alarm releasing state and moment;
2. displaying a system device layout diagram: the display content should include: pressure sensor, temperature sensor, current transformer, voltage transformer, level sensor one and level sensor two, water pump, explosion-proof camera, etc. equipment name, relative position and running state, if the huge display screen of system can not hold, can roam, page or total image adds local amplification.
The above formulas are all the digital calculation by dequantizing, the formulas are one of the latest real conditions obtained by software simulation by collecting a large amount of data, and preset parameters in the formulas are set by those skilled in the art according to the actual conditions.
The working principle of the invention is as follows: the intelligent drainage control system for the underground water sump of the coal mine based on the big data comprises an acquisition module, a control module, a server, an alarm module, an allocation module, a management module, a printing module, a communication module, a management module, a printing module, a monitoring module, a switching module and a display module;
The acquisition module is used for acquiring the water level of the underground coal mine water bin, sending the acquired water level of the underground coal mine water bin to the control module, controlling the water pump to automatically drain water, acquiring the position of the underground coal mine water bin, and marking the underground coal mine water bin as i; respectively acquiring the water level of a coal mine underground water bin, sending the water level value to a control module, and marking the water level value as Hi after the control module receives the water level value; setting a water level early warning lower limit value and an early warning limit value of a coal mine underground water sump respectively, and marking the water level early warning lower limit value and the early warning limit value as Yxi and Yji respectively, wherein Yxi is less than Yji; if Hi is less than Yxi, directly transmitting the water level value of the underground water sump of the coal mine to a server through a communication module for storage; if Yyi < Hi < Yji, sending a pumping instruction to the distribution module, and sending the water level value of the underground water bin of the coal mine to a server for storage through the communication module; if Yji is less than Hi, sending an alarm instruction to an alarm module, simultaneously sending a pumping instruction to an allocation module, and sending the water level value of the underground water bin of the coal mine to a server for storage through a communication module; the distribution module distributes water by the water pump after receiving the water pumping instruction, and the alarm module drives the alarm to alarm after receiving the alarm instruction;
The distribution module is used for distributing a water pump in the underground water bin of the coal mine to pump water, and after receiving a water pumping instruction, the distribution module randomly starts a water pump to pump water and sends a secondary acquisition instruction to the acquisition module; after the acquisition module receives the secondary acquisition instruction, the liquid level sensor is controlled to monitor the water level at regular time, and the monitored water level value is marked as Hi'; if Hi' is less than Hi, maintaining the current situation, and controlling a water pump to pump water; if Hi ' is greater than Hi, a water pump is added to pump water, and the liquid level sensor is controlled to monitor the water level at regular time, until Hi ' is less than Hi, the water pump is not continuously added, and when Hi ' is less than Yxi, the water pump is stopped to pump water; if the distribution module receives the water pumping instruction and the alarm module alarms, all water pumps are directly started to pump water;
The management module is used for managing the water pump in the underground water bin of the coal mine, acquiring the pipeline pressure, the bearing temperature of the water pump motor, the real-time current of the water pump and the real-time voltage of the water pump when the current water pump works, and sending the pipeline pressure, the real-time current of the water pump and the real-time voltage of the water pump to the management module; the management module receives pipeline pressure, water pump motor bearing temperature, water pump real-time current and water pump real-time voltage and marks the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage as Pk, tk, ik and Uk respectively; calculating the running state value Zk of the current water pump by using a formula; the calculation formula is that Wherein a1, a2, a3 and a4 are preset proportional coefficient fixed values; if the running state value Zk of the current water pump is larger than a preset running state threshold value, switching the water pump to pump water, and sending the currently acquired pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage and the running state value Zk of the water pump to a server for storage through a communication module; if the current running state value Zk of the water pump is smaller than the preset running state threshold value, the currently acquired pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage and the running state value Zk of the water pump are sent to a server through a communication module to be stored.
The acquisition module comprises a first liquid level sensor and a second liquid level sensor, and is used for comparing the acquired data, sending an alarm instruction to the alarm module when the acquired data difference is large, driving the alarm to alarm, and sending the alarm to the control module by taking the water level value acquired by the first liquid level sensor as a standard when the acquired data value is within an allowable error range. The system also comprises a monitoring module, wherein the monitoring module is an explosion-proof camera installed in the underground water sump of the coal mine, the explosion-proof camera is used for shooting the water level in the underground water sump of each coal mine and the running condition of the water pump, and an EPON network video technology is adopted to send the collected video signals to a server for storage through a communication module. The system also comprises a switching module for switching manual control and automatic control, wherein the automatic control is used for automatically detecting the water level of the underground water bin of the coal mine and automatically controlling water pumping and draining; because the underground environment of the coal mine is special, the liquid level sensor and the explosion-proof camera are required to be overhauled in time and cleaned at regular time; the mine sump has poor water quality and more silt, so that the water pump cannot be used normally, when the conditions occur, the manual control mode is started, and the switching time is not longer than five minutes. The acquisition module further comprises a pressure sensor, a temperature sensor, a current transformer, a voltage transformer and a power supply, wherein the power supply is used for supplying power to the pressure sensor, the temperature sensor, the current transformer, the voltage transformer, the liquid level sensor I and the liquid level sensor II. The server is used for data storage, the stored data comprise water level Hi of a water sump, water level Hi' acquired for the second time, pipeline pressure Pk, water pump motor bearing temperature Tk, water pump real-time current Ik, water pump real-time voltage Uk and running state value Zk, and the stored data are used for generating a report. The printing module is used for printing a report generated by the server, wherein the report comprises a water level day report, a water level alarm day report and a water pump state value day report. The statistics module is used for counting the total daily drainage amount, the running time of the daily water pump and the daily alarm times.
The display module is used for displaying the following contents:
1. The data display content should include: the water level value, the water level value acquired for the second time, the water level early warning lower limit value, the early warning limit value, the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage, the running state value of the water pump, the water pump starting times, the sensor working state, the alarm and the alarm releasing state and moment;
2. displaying a system device layout diagram: the display content should include: pressure sensor, temperature sensor, current transformer, voltage transformer, level sensor one and level sensor two, water pump, explosion-proof camera, etc. equipment name, relative position and running state, if the huge display screen of system can not hold, can roam, page or total image adds local amplification.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The underground coal mine water sump intelligent drainage control system based on the big data is characterized by comprising an acquisition module, a control module, a server, an alarm module, an allocation module, a management module, a printing module and a communication module;
The acquisition module comprises a first liquid level sensor and a second liquid level sensor, and is used for comparing the acquired data, sending an alarm instruction to the alarm module when the acquired data difference is large, driving the alarm to alarm, and sending the alarm to the control module by taking the water level value acquired by the first liquid level sensor as a standard when the acquired data value is within an allowable error range;
The system comprises an acquisition module, a control module and a water pump, wherein the acquisition module is used for acquiring the water level of an underground coal mine water sump and sending the acquired water level of the underground coal mine water sump to the control module, and the control module is used for controlling the water pump to automatically drain water, and the specific control method is as follows:
step one: acquiring the position of a coal mine underground water sump, and marking the coal mine underground water sump as i;
Step two: respectively acquiring the water level of a coal mine underground water bin, sending the water level value to a control module, and marking the water level value as Hi after the control module receives the water level value;
Step three: setting a water level early warning lower limit value and an early warning limit value of a coal mine underground water sump respectively, and marking the water level early warning lower limit value and the early warning limit value as Yxi and Yji respectively, wherein Yxi is less than Yji;
Step four: if Hi is less than Yxi, directly transmitting the water level value of the underground water sump of the coal mine to a server through a communication module for storage;
If Yyi < Hi < Yji, sending a pumping instruction to the distribution module, and sending the water level value of the underground water bin of the coal mine to a server for storage through the communication module;
If Yji is less than Hi, sending an alarm instruction to an alarm module, simultaneously sending a pumping instruction to an allocation module, and sending the water level value of the underground water bin of the coal mine to a server for storage through a communication module;
step five: the distribution module distributes water by the water pump after receiving the water pumping instruction, and the alarm module drives the alarm to alarm after receiving the alarm instruction;
the distribution module is used for distributing a water pump in a coal mine underground water bin to pump water, and the specific distribution mode comprises the following steps of:
T1: after the distribution module receives the pumping instruction, the distribution module randomly starts a water pump to pump water and sends a secondary acquisition instruction to the acquisition module;
t2: after the acquisition module receives the secondary acquisition instruction, the liquid level sensor is controlled to monitor the water level at regular time, and the monitored water level value is marked as Hi';
t3: if Hi' is less than Hi, maintaining the current situation, and controlling a water pump to pump water;
If Hi ' is greater than Hi, a water pump is added to pump water, and the liquid level sensor is controlled to monitor the water level at regular time, until Hi ' is less than Hi, the water pump is not continuously added, and when Hi ' is less than Yxi, the water pump is stopped to pump water;
t4: if the distribution module receives the water pumping instruction and the alarm module alarms, all water pumps are directly started to pump water;
the management module is used for managing the water pump in the underground water sump of the coal mine, and comprises the following specific management steps:
S1: acquiring the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage when the current water pump works, and sending the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage to a management module;
s2: the management module receives pipeline pressure, water pump motor bearing temperature, water pump real-time current and water pump real-time voltage and marks the pipeline pressure, the water pump motor bearing temperature, the water pump real-time current and the water pump real-time voltage as Pk, tk, ik and Uk respectively;
S3: calculating the running state value Zk of the current water pump by using a formula;
The calculation formula is that Wherein a1, a2, a3 and a4 are preset proportional coefficient fixed values;
S4: if the running state value Zk of the current water pump is larger than a preset running state threshold value, switching the water pump to pump water, and sending the currently acquired pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage and the running state value Zk of the water pump to a server for storage through a communication module;
If the current running state value Zk of the water pump is smaller than the preset running state threshold value, the currently acquired pipeline pressure, the water pump motor bearing temperature, the water pump real-time current, the water pump real-time voltage and the running state value Zk of the water pump are sent to a server through a communication module to be stored;
The server is used for data storage, the stored data comprise water level Hi of a water sump, water level Hi' acquired for the second time, pipeline pressure Pk, water pump motor bearing temperature Tk, water pump real-time current Ik, water pump real-time voltage Uk and running state value Zk, and the stored data are generated into a report.
2. The underground coal mine sump intelligent drainage control system based on big data according to claim 1, wherein: the system also comprises a monitoring module, wherein the monitoring module is an explosion-proof camera installed in the underground water sump of the coal mine, the explosion-proof camera is used for shooting the water level in the underground water sump of each coal mine and the running condition of the water pump, and an EPON network video technology is adopted to send collected video signals to a server for storage through a communication module.
3. The underground coal mine sump intelligent drainage control system based on big data according to claim 1, wherein: the system also comprises a switching module for switching manual control and automatic control, wherein the automatic control is used for automatically detecting the water level of the underground water bin of the coal mine and automatically controlling water pumping and draining; because the underground environment of the coal mine is special, the liquid level sensor and the explosion-proof camera are required to be overhauled in time and cleaned at regular time; the mine sump is relatively poor in water quality and relatively more in silt, so that the water pump cannot be used normally, and when the conditions occur, the manual control mode is started.
4. The underground coal mine sump intelligent drainage control system based on big data according to claim 1, wherein: the acquisition module further comprises a pressure sensor, a temperature sensor, a current transformer, a voltage transformer and a power supply, wherein the power supply supplies power for the pressure sensor, the temperature sensor, the current transformer, the voltage transformer, the first liquid level sensor and the second liquid level sensor.
5. The underground coal mine sump intelligent drainage control system based on big data according to claim 1, wherein: the system also comprises a printing module, wherein the printing module is used for printing a report generated by the server, and the report comprises a water level daily report, a water level alarming daily report and a water pump state daily report.
6. The underground coal mine sump intelligent drainage control system based on big data according to claim 1, wherein: the system also comprises a statistics module, wherein the statistics module is used for counting the total daily drainage amount, the daily water pump operation duration and the daily alarm times.
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