CN115564316A - Digital coal yard system - Google Patents
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Abstract
The invention relates to a digital coal yard system, which establishes a three-dimensional coordinate system of a coal yard space, wherein the temperature data of the whole coal yard is attached with coordinate information, so that the temperature change of any point in any time period can be determined, the spontaneous combustion of a large coal pile is always started from the inside, and a relatively reliable relation function between the spontaneous combustion condition in the coal pile and the surface temperature can be finally obtained by detecting the temperature change trend of the surface and combining a large amount of test data; through the three-dimensional modeling and rendering technology, the three-dimensional form, the position information, the fire coal batch and assay information of the coal yard and the coal yard temperature information accurate to the point can be displayed more intuitively. The change attribute (coal piling or coal taking) of each area of the coal yard can be dynamically identified, and the current stock of the coal yard can be automatically layered and stacked according to different coal attribute labels (including data of batch, coal type, volume, assay information and the like) by initializing the stock yard, carrying out fuzzy judgment on the change amount and boundary information and carrying out accumulative calculation.
Description
Technical Field
The invention relates to the technical field of coal yard management, in particular to a digital coal yard system.
Background
The coal yard is a general term for storage sites used for turnover of coal (not limited to coal, but also other large bulk piles) in coal-fired power plants, smelting plants, ports, docks and the like.
In the prior art, the temperature monitoring of the coal yard is currently measured from a handheld device to a site selection point by a specially-assigned person, the area of a stacking area of the coal yard is extremely large, the traditional manual point selection measurement mode can only carry out monitoring in a small range, the requirement of global monitoring is difficult to meet, and the traditional manual point selection measurement mode is also the problem found in the prior art when the spontaneous combustion of the coal yard is high and difficult; coal inventory in coal yards is mostly checked by adopting handheld inventory equipment, unmanned planes and the like at present, a special person must be used for on-site inventory by using special equipment for each inventory, the time consumed by the inventory is short, the time consumed by the inventory is 1 hour long, and hours are different, and the aim of the inventory is to master the warehousing quantity, the ex-warehousing quantity or the inventory quantity of the fuel in the coal yard; the coal yard environment monitoring is not carried out professional monitoring at present, and the conditions of CO, NOx, SOx and dust in the coal yard cannot be known.
The coal yard information management system is absent, the quantity, quality and price information of the coal yard fuel cannot be mastered in time, and basically, the statistics and calculation are carried out manually by specially-assigned people, so that the timeliness is poor, the data accuracy is low, and the matching with the site is difficult; at present, the development of automation and informatization technologies has been applied, but most of the technologies are independently developed by related manufacturers, in the process of management and application of a coal yard, unified planning is not performed, systematic integrated design is not performed in the design process, independent applications are not systematized, integrated information islanded and linked, and systematic calculation and deeper functional development and application cannot be performed.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a digital coal yard system, which carries out interactive matching fusion on three-dimensional dynamic coal inventory data and real-time temperature measurement data of a coal yard, and comprehensively displays the data through a back-end software platform, so that the fusion of 2 sets of independent systems can be realized, the three-dimensional form of the coal yard and the detailed (two-dimensional section diagram and three-dimensional original view diagram) information of different coal types stacking positions can be displayed more accurately, and the regional temperature information of the coal yard can be displayed more intuitively.
According to a first aspect of the present invention, there is provided a digital coal yard system comprising: the digital coal yard system comprises: the system comprises a coal yard dynamic coal inventory system, a coal yard real-time temperature measurement system and a digital coal yard control platform; the digital coal yard control platform comprises: the system comprises a control unit, a display screen, database software installed in a server and a data post-analysis software system, wherein the data post-analysis software system comprises: a coal yard temperature early warning analysis system and a coal yard automatic layering and stacking system for guiding blending combustion;
the coal yard dynamic coal inventory system comprises laser scanners arranged at all positions of a coal yard;
the coal yard real-time temperature measurement system comprises temperature measurement sensors which are arranged in one-to-one correspondence with the laser scanners;
the control unit establishes a three-dimensional coordinate system of a coal yard space, sends out a control command to enable the laser scanners and the temperature measuring sensors which are arranged in one-to-one correspondence to rotate according to the same angle to respectively carry out periodic scanning distance measurement and temperature measurement, and then sends measured data to the digital coal yard control platform;
after the laser scanners and the temperature measuring sensors complete scanning and temperature measurement each time, the control unit generates three-dimensional data of the surface of the coal pile in the three-dimensional coordinate system according to the installation positions and the rotation angles of the laser scanners, fuses the three-dimensional coordinate system and temperature information according to the relative distances between the temperature measuring sensors and the laser scanners which are in one-to-one correspondence to obtain a temperature point cloud matrix, adds the temperature point cloud matrix to the three-dimensional data of the surface of the coal pile to obtain the three-dimensional data of the surface of the coal pile with the temperature information, and displays the three-dimensional data of the surface of the coal pile with the temperature information in real time through the display screen;
the coal yard temperature early warning analysis system generates a temperature change function by comparing and analyzing data obtained by temperature measurement with historical data in a database, and automatically early warning is carried out through a buzzer or an alarm lamp which is externally connected when the temperature change reaches or exceeds a set threshold value according to the temperature change function;
the coal yard automatic layering and stacking system matches coal batch information and test information through iterative comparison with coal yard coal storage structure and storage information during initialization, and visually displays the current coal yard coal storage distribution details through two-dimensional and three-dimensional graph coal-fired heat value distribution map information.
On the basis of the technical scheme, the invention can be improved as follows.
Optionally, the digital coal yard system further comprises each high-precision holder;
the laser scanners and the temperature sensors which are arranged in a one-to-one correspondence mode are installed on the same high-precision cloud deck, the control unit sends out control commands to control the high-precision cloud deck to rotate, and the laser scanners and the temperature sensors which are arranged in a one-to-one correspondence mode rotate according to the same angle.
Optionally, the digital coal yard control platform further performs full-field original view modeling on the coal yard based on a GIS technology and a non-real Engine 4 and Unity technology, adds the three-dimensional data of the coal pile surface to which the temperature information is added to the model of the digital coal yard, and the post-data analysis software system analyzes the historical data in the database to realize two-dimensional and three-dimensional display of the storage condition of the coal yard and temperature spontaneous combustion early warning, and displays the two-dimensional and three-dimensional display and the temperature spontaneous combustion early warning in real time through the display screen.
Optionally, the digital coal yard system further comprises: a gas environment monitoring module; the digital coal yard control platform further comprises: the system comprises a safety monitoring module and a release module for current and historical storage conditions of a coal yard;
the gas environment monitoring module collects the content of various gases in the ambient air of the coal yard in real time and sends the content to the digital coal yard control platform;
the safety monitoring module is used for analyzing according to gas data sent by the safety monitoring module, wherein the gas data comprises CO concentration, CH4 concentration, humidity and wind direction; and monitoring the specific position of the area measured by the sensor for monitoring the gas concentration rise, and analyzing whether the specific position and the temperature point cloud matrix exceed the corresponding threshold value or not to achieve the functions of real-time monitoring and warning.
Optionally, the gas environment monitoring module includes: the combustible/harmful gas detection sensor is arranged in the coal yard, detects the content of combustible/harmful gas, humidity data in the coal yard, wind power and wind direction in real time and sends the data to the digital coal yard control platform;
and the safety monitoring module generates alarm information when the content of the combustible/harmful gas exceeds a set threshold value.
Optionally, the combustible/harmful gas is CO; the safety monitoring module obtains a CO concentration variation trend at a set coal pile area/set coal pile surface point according to historical data of CO content in a set time period, and alarm information is generated by utilizing analysis software when potential safety hazards can be generated in the future according to the CO concentration variation trend.
Optionally, the gas environment monitoring module includes: the smoke sensor is arranged in the coal yard and used for detecting the smoke content in real time and sending the smoke content to the digital coal yard control platform;
and the safety monitoring module generates alarm information when the smoke content exceeds a set threshold value.
Optionally, the safety monitoring module generates alarm information when judging that the temperature of any position exceeds a set threshold according to the temperature point cloud matrix.
Optionally, the safety monitoring module obtains a temperature change trend of a set coal pile area/a set coal pile surface point according to historical data of the temperature point cloud matrix within a set time period, and generates warning information when it is judged that potential safety hazards will be generated in the future by using analysis software.
Optionally, the various coals are placed in different areas according to the types of the coals, the coal yard areas are marked into the model of the digital coal yard, the coal yard is automatically layered and stacked by using heat values or other label data required by blending combustion, visual display is carried out, and meanwhile, the coal yard is monitored in different areas.
According to the digital coal yard system, the three-dimensional dynamic measurement system of the coal yard can perform multi-point accurate fusion, complete remote data acquisition within 3 minutes, automatically calculate to form a diagram and release the diagram; the precision is high, and the field reduction degree is high; the variable quantity of the single-shift operation is accurately controlled, and the whole-period change of the coal yard is accurately controlled by combining batch information and coal test information. The coal yard three-dimensional dynamic temperature measurement system can monitor the surface temperature of a coal pile in real time, and realize spontaneous combustion early warning by combining the historical temperature of the coming coal; and the measuring system is associated, so that the ignition point is accurately positioned, corresponding fire-fighting facilities are associated, and the field loss is reduced. The coal yard harmful gas detection system can monitor harmful gas, smoke, temperature and other data in real time, and when the data exceed a warning value, an alarm is given to prompt field personnel to evacuate; and performing dust suppression and air exhaust operations on equipment such as a linkage ventilation system and a fire-fighting fog gun. The digital coal yard platform software can comprehensively realize coal management, coal yard dynamic management and the like; and provides the function of the coal yard ledger; the current situation of the coal yard can be mastered in real time through the original three-dimensional image without going out of the house, and remote management is realized by combining a monitoring system; the multi-level management system ensures data traceability and improves management efficiency.
Drawings
FIG. 1 is a block diagram of a digital coal yard system according to the present invention;
FIG. 2 is a block diagram of a digital coal yard system according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating operation of a digital coal yard system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a digital coal yard system installed in a coal yard according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a structural block diagram of a digital coal yard system provided by the present invention, as shown in fig. 1, the coal yard dynamic coal-checking system, the coal yard real-time temperature measuring system and the digital coal yard control platform; the digital coal yard control platform comprises: the control unit, display screen and install database software and the analysis software system behind data in the server, analysis software system behind the data includes: the system comprises a coal yard temperature early warning analysis system and a coal yard automatic layering and stacking system for guiding blending combustion;
the coal yard dynamic coal inventory system comprises laser scanners arranged at all positions of a coal yard.
The coal yard real-time temperature measurement system comprises temperature measurement sensors which are arranged in one-to-one correspondence with the laser scanners.
The control unit establishes a three-dimensional coordinate system of a coal yard space, sends out control commands to enable the laser scanners and the temperature measuring sensors which are arranged in one-to-one correspondence to rotate according to the same angle to respectively carry out periodic scanning distance measurement and temperature measurement, and then sends measured data to the digital coal yard control platform.
After the laser scanners and the temperature measuring sensors complete scanning and temperature measurement at each time, the control unit generates three-dimensional data of the surface of the coal pile in a three-dimensional coordinate system according to the installation positions and the rotation angles of the laser scanners, the three-dimensional coordinate system and temperature information are fused according to the relative distance between the temperature measuring sensors and the laser scanners which correspond to one another to obtain a temperature point cloud matrix, the temperature point cloud matrix is added to the three-dimensional data of the surface of the coal pile, the three-dimensional data of the surface of the coal pile with the temperature information is obtained, and real-time display is carried out through the display screen.
The coal yard temperature early warning analysis system compares and analyzes the data obtained by temperature measurement with historical data in a database to generate a temperature change function, and when the temperature change reaches or exceeds a set threshold value according to the temperature change function, automatic early warning is carried out through a buzzer or an alarm lamp which is connected externally;
the coal yard automatic layering and stacking system matches coal batch information and assay information through iterative comparison with coal yard coal storage structure and storage information during initialization, and visually displays the details of the current coal yard coal storage distribution through two-dimensional and three-dimensional graph coal-fired heat value distribution diagram information
In specific implementation, the display mode may be that after the mouse clicks the selection position point, temperature data appears, or each temperature range may be set, and different temperature ranges are displayed in different color regions.
In the concrete implementation, laser scanner and temperature sensor can install on coal canopy rack packway, and the coal yard is measured in the scanning of bird's eye view formula, and laser scanner and temperature sensor's mounted position and installation quantity use in whole coal yard not have the measurement blind area as the standard.
According to the digital coal yard system, interactive matching fusion is carried out on three-dimensional dynamic coal inventory data and real-time temperature measurement data of a coal yard, and the three-dimensional dynamic coal inventory data and the real-time temperature measurement data of the coal yard are comprehensively displayed through a back-end software platform, so that the fusion of 2 sets of independent systems can be realized, the three-dimensional form and the position information of the coal yard can be displayed more accurately, and the regional temperature information of the coal yard can be displayed more visually.
Meanwhile, the temperature data of the whole coal yard is accompanied by coordinate information, so that the temperature change of any point in any time period can be clarified, the spontaneous combustion of a large coal pile is usually started from the inside, and a relatively reliable relation function between the spontaneous combustion condition inside the coal pile and the surface temperature can be finally obtained by detecting the temperature change trend of the surface and combining a large amount of test data; through the three-dimensional modeling and rendering technology, the three-dimensional form, the position information, the fire coal batch and assay information of the coal yard and the coal yard temperature information accurate to the point can be displayed more intuitively.
Through appearance structure design, horizontal deviation of a controllable scanner and a thermal infrared imager is lower than 0.1 degrees, a point coordinate with precision larger than 10mm can be obtained by combining with a track corrected in a moving process through a mathematical algorithm, the operation state is judged by combining with an external stacking and unloading coal belt signal, the change attribute (coal piling or coal taking) of each area of a coal yard can be identified dynamically, and the current stock of the coal yard can be subjected to layering and stacking according to attribute tags (containing data such as batch and assay information) automatically through initialization and accumulated judgment calculation.
Example 1
Embodiment 1 provided by the present invention is an embodiment of a digital coal yard system provided by the present invention, fig. 2 is a structural block diagram of the embodiment of the digital coal yard system provided by the present invention, fig. 3 is a work flow diagram of the embodiment of the digital coal yard system provided by the present invention, fig. 4 is a schematic diagram of the digital coal yard system provided by the embodiment of the present invention installed in a coal yard, and fig. 4 includes: the system comprises a coal inventory system, a temperature measurement system, a CO \ CH4 sensor, a humidity sensor, a wind power sensor and the like. As can be seen from fig. 2, 3 and 4, the embodiment of the digital coal yard system includes: the system comprises a coal yard dynamic coal inventory system, a coal yard real-time temperature measurement system and a digital coal yard control platform; the digital coal yard control platform comprises: the system comprises a control unit, a display screen, database software installed in a server and a data post-analysis software system, wherein the data post-analysis software system comprises: a coal yard temperature early warning analysis system and a coal yard automatic layering and stacking system for guiding blending combustion. The data transmission of the digital coal yard system is realized based on a B/S architecture embedded system.
The coal yard dynamic coal inventory system comprises laser scanners arranged at all positions of the coal yard.
The coal yard real-time temperature measurement system comprises temperature measurement sensors which are arranged in one-to-one correspondence with the laser scanners; specifically, the temperature sensor may be an infrared dual-optical camera.
The control unit establishes a three-dimensional coordinate system of a coal yard space, sends out control commands to enable the laser scanners and the temperature measuring sensors which are arranged in one-to-one correspondence to rotate according to the same angle to respectively carry out periodic scanning distance measurement and temperature measurement, and then sends measured data to the digital coal yard control platform.
In a possible embodiment, the laser scanners and the temperature sensors arranged in a one-to-one correspondence are mounted on the same high-precision holder, and the control unit sends out a control command to control the high-precision holder to rotate, so that the laser scanners and the temperature sensors arranged in a one-to-one correspondence rotate at the same angle.
The laser scanners and the double-optical cameras distributed in the range of the coal yard are fixedly installed at the overhaul gallery road of the coal bunker ceiling, and the initial positions of each scanner and the double-optical camera must be accurately acquired and used as control points in the range of the coal yard for accurately calculating the three-dimensional space coordinates.
The setting of the measurement point position provided with the high-precision holder takes the coal yard as the basis of the condition of the maximum coal piling capacity:
the range covered by each measuring point is a circle, the maximum distance measurement of the laser scanner in the embodiment provided by the invention is 125, the height of the horse way is a, and the radius of the circle is
. Take the height a of 35 m as an example, the radius of the coverage circle
And (4) rice.
Besides the maximum range covered by the laser scanner, whether a blind area exists on the slope of the side face of the coal pile needs to be considered.
After the laser scanners and the temperature measuring sensors complete scanning and temperature measurement each time, the control unit generates three-dimensional data of the surface of the coal pile in a three-dimensional coordinate system according to the installation positions and the rotation angles of the laser scanners, the three-dimensional coordinate system and the temperature information are fused according to the relative distances between the temperature measuring sensors and the laser scanners which are in one-to-one correspondence to obtain a temperature point cloud matrix, the temperature point cloud matrix is added to the three-dimensional data of the surface of the coal pile, the three-dimensional data of the surface of the coal pile with the temperature information is obtained, and real-time display is carried out through the display screen.
In one possible embodiment, the gas environment monitoring module collects the content of various gases in the ambient air of the coal yard in real time and sends the content to the digital coal yard control platform.
And the safety monitoring module carries out real-time monitoring and alarming according to whether the gas data and the temperature point cloud matrix sent by the safety monitoring module exceed the corresponding threshold values. The gas data includes CO concentration, CH4 concentration, humidity, and wind direction.
The coal yard safety monitoring module is used for monitoring various data in the strip-shaped coal yard and preventing the harm and the accident of poisonous and harmful gases such as spontaneous combustion, deflagration and the like to human bodies in advance. When potential safety hazards exist in the coal yard, the system can remind people in the coal yard and operators in the coal transportation centralized control room, and the safety of the coal yard and the operators is protected. The combustible and poisonous and harmful gas and dust monitoring instrument is provided with an audible and visual alarm prompt, and a combustible and poisonous and harmful gas alarm signal and a fault signal can be displayed and alarmed in a coal conveying fire alarm system and a coal conveying coal coil control station. The staff can monitor each item of monitoring instrument parameter real-time data and status information of closed coal yard in digital coal yard control platform, and the control picture is rationally distributed, satisfies the operation personnel demand of monitoring.
In one possible embodiment, the gas environment monitoring module comprises: and the combustible/harmful gas detection sensor is arranged in the coal yard, detects the content of combustible/harmful gas in real time and sends the content to the digital coal yard control platform.
The safety monitoring module generates alarm information when the content of combustible/harmful gas exceeds a set threshold value.
In one possible embodiment, the combustible/hazardous gas is CO; the safety monitoring module obtains the change trend of the CO concentration at the surface point of the set coal pile area/the set coal pile according to the historical data of the CO content in the set time period, and alarm information is generated by utilizing analysis software when the potential safety hazard is generated in the future when the change trend of the CO concentration is judged.
The method has the advantages that the alarm is given when the CO content reaches the set concentration threshold value, the change trend of the CO content of the specific coal pile area/coal pile surface point is monitored, and according to experience, early warning is given when risks such as spontaneous combustion or toxicity possibly exist in the future under the condition that the change trend of the CO content is judged.
In specific implementation, the harmful gas detection sensor includes a CO detection sensor and the like. According to the field condition, the harmful gas detection sensor can be arranged on the peripheral net rack of the coal shed, and the detection of the harmful gas in the coal yard is realized. In the embodiment provided by the invention, 20 fixed measuring points of the CO detection sensor are designed.
In one possible embodiment, the gas environment monitoring module comprises: and the smoke sensor is arranged in the coal yard, detects the smoke content in real time and sends the smoke content to the digital coal yard control platform.
The safety monitoring module generates alarm information when the smoke content exceeds a set threshold value.
In specific implementation, when data such as harmful gas, smoke, temperature and the like are monitored in real time and alarm values are exceeded, an alarm is given to prompt evacuation of field personnel; and simultaneously, the dust suppression and air exhaust operation is carried out by linking the ventilation system, the fire-fighting fog gun and other equipment.
In a possible embodiment, the safety monitoring module generates alarm information when judging that the temperature of any position exceeds a set threshold according to the temperature point cloud matrix.
In a possible embodiment, the safety monitoring module obtains a temperature change trend at a set coal pile area/set coal pile surface point according to historical data of a temperature point cloud matrix in a set time period, and alarm information is generated by utilizing analysis software when potential safety hazards are generated in the future according to the temperature change trend.
The method not only alarms the position point reaching the set threshold temperature, but also monitors the temperature change trend of the specific coal pile area/coal pile surface point, and according to experience, early warning is carried out when the risk of spontaneous combustion and the like possibly exists in the future under the temperature change trend.
In specific implementation, after the alarm information is judged and generated according to the temperature information, the measurement system can be associated, the ignition point can be accurately positioned, corresponding fire-fighting facilities can be associated, and the field loss is reduced. And in the later period, the camera can be linked to dynamically track the area image and video signal beyond the area image and video signal which are judged to be self-ignited or have self-ignition in the coal pile.
In a possible embodiment, the digital coal yard control platform further performs full-field original view modeling on the coal yard based on a GIS technology and a UI technology, adds the three-dimensional data of the coal pile surface with the temperature information into a model of the digital coal yard, and then displays the three-dimensional data in real time through a display screen.
In one possible embodiment, various coals are placed in different areas according to the types of the coals, the coal yard areas are marked into a model of a digital coal yard, and the coal yard is monitored in different areas. In specific implementation, the coal yard zones can be divided into 6 zones with high heat and high sulfur, high heat and low sulfur, medium heat and high sulfur, medium heat and low sulfur, low heat and high sulfur and low heat and low sulfur. Different monitoring levels and alarm threshold data may be set for each zone. Meanwhile, according to the regional data of the three-dimensional data on the surface of the coal pile, the current coal storage quantity of various types of coal can be more definite, and the predicted storable quantity of the type of coal can be determined.
According to the digital coal yard system provided by the embodiment of the invention, the three-dimensional dynamic measurement system of the coal yard can perform accurate fusion of multiple measuring points, complete remote data acquisition within 3 minutes, automatically calculate a diagram and release the diagram; the precision is high, and the field reduction degree is high; the variable quantity of the single-shift operation is accurately controlled, and the whole-period change of the coal yard is accurately controlled by combining batch information and coal test information. The coal yard three-dimensional dynamic temperature measurement system can monitor the surface temperature of a coal pile in real time, and realize spontaneous combustion early warning by combining the historical temperature of incoming coal; and the measuring system is correlated to accurately position the ignition point, and correlate the corresponding fire-fighting facilities, so that the field loss is reduced. The coal yard harmful gas detection system can monitor data such as harmful gas, smoke, temperature and the like in real time, and when the data exceed a warning value, an alarm is given to prompt field personnel to evacuate; and the dust suppression and air exhaust operations are carried out on equipment such as a linkage ventilation system and a fire-fighting fog gun. Meanwhile, the temperature data of the whole coal yard is attached with coordinate information, so that the temperature change of any point in any time period can be clarified, the spontaneous combustion of a large coal pile is started from the inside, and a relatively reliable relation function between the internal spontaneous combustion condition of the coal pile and the surface temperature can be finally obtained by detecting the temperature change trend of the surface and combining a large amount of test data; through the three-dimensional modeling and rendering technology, the three-dimensional form, the position information, the fire coal batch and assay information of the coal yard and the coal yard temperature information accurate to the point can be displayed more intuitively. Through the design of an appearance structure, the horizontal deviation of the controllable scanner and the thermal infrared imager is lower than 0.1 degrees, point coordinates with the precision larger than 10mm can be obtained by combining with a mathematical algorithm to correct the track in the moving process, the operation state is judged by combining with an external coal stacking and unloading belt signal, the change attribute (coal stacking or coal taking) of each area of the coal yard can be identified dynamically, and the current stock of the coal yard can be layered and stacked according to attribute tags (containing data such as batch and assay information) through initialization and accumulated judgment calculation. The digital coal yard platform software can comprehensively realize coal management, coal yard dynamic management and the like; and provides the function of the coal yard ledger; the current situation of the coal yard can be mastered in real time through the original three-dimensional image without going out of the house, and remote management is realized by combining a monitoring system; the multi-level management system ensures data traceability and improves management efficiency.
It should be noted that, in the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to relevant descriptions of other embodiments for parts that are not described in detail in a certain embodiment.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A digital coal yard system, comprising: the system comprises a coal yard dynamic coal inventory system, a coal yard real-time temperature measurement system and a digital coal yard control platform; the digital coal yard control platform comprises: the control unit, display screen and install database software and the analysis software system behind data in the server, analysis software system behind the data includes: the system comprises a coal yard temperature early warning analysis system and a coal yard automatic layering and stacking system for guiding blending combustion;
the coal yard dynamic coal checking system comprises laser scanners arranged at all positions of a coal yard;
the coal yard real-time temperature measuring system comprises temperature measuring sensors which are arranged in one-to-one correspondence with the laser scanners;
the control unit establishes a three-dimensional coordinate system of a coal yard space, sends out control commands to enable the laser scanners and the temperature measuring sensors which are arranged in one-to-one correspondence to rotate according to the same angle to respectively carry out periodic scanning distance measurement and temperature measurement, and then sends measured data to the digital coal yard control platform;
after the laser scanners and the temperature measuring sensors complete scanning and temperature measurement each time, the control unit generates three-dimensional data of the surface of the coal pile in the three-dimensional coordinate system according to the installation positions and the rotation angles of the laser scanners, fuses the three-dimensional coordinate system and temperature information according to the relative distances between the temperature measuring sensors and the laser scanners which are in one-to-one correspondence to obtain a temperature point cloud matrix, adds the temperature point cloud matrix to the three-dimensional data of the surface of the coal pile to obtain the three-dimensional data of the surface of the coal pile with the temperature information, and displays the three-dimensional data of the surface of the coal pile with the temperature information in real time through the display screen;
the coal yard temperature early warning analysis system compares and analyzes the data obtained by temperature measurement with historical data in a database to generate a temperature change function, and when the temperature change reaches or exceeds a set threshold value according to the temperature change function, automatic early warning is carried out through a buzzer or an alarm lamp which is connected externally;
the data of a humidity meter, an anemograph and a CO \ SO2 concentration sensor which are arranged at each position of a coal yard are combined to assist in judging the internal spontaneous combustion condition of the coal in each area, and the internal spontaneous combustion point of the coal pile is accurately positioned by combining the surface temperature variation trend;
the coal yard automatic layering and stacking system matches coal batch information and test information through iterative comparison with coal yard coal storage structure and storage information during initialization, and visually displays the current coal yard coal storage distribution details through two-dimensional and three-dimensional graph coal-fired heat value distribution map information.
2. The digital coal yard system of claim 1, further comprising each high precision pan-tilt;
the laser scanners and the temperature sensors which are arranged in a one-to-one correspondence mode are installed on the same high-precision cloud deck, the control unit sends out control commands to control the high-precision cloud deck to rotate, and the laser scanners and the temperature sensors which are arranged in a one-to-one correspondence mode rotate according to the same angle.
3. The digital coal yard system of claim 1, wherein the digital coal yard control platform further performs full scene modeling on the coal yard based on a GIS technology and a non-real Engine 4, unity technology, and after three-dimensional data of the surface of the coal pile with temperature information is added to a model of the digital coal yard, the post-data analysis software system realizes two-dimensional and three-dimensional display of the storage condition of the coal yard and temperature spontaneous combustion early warning by analyzing historical data in a database, and displays the two-dimensional and three-dimensional display and the temperature spontaneous combustion early warning in real time through the display screen.
4. The digital coal yard system of claim 1, further comprising: a gas environment monitoring module; the digital coal yard control platform further comprises: the system comprises a safety monitoring module and a release module for current and historical storage conditions of a coal yard;
the gas environment monitoring module collects the content of various gases in the ambient air of the coal yard in real time and sends the content to the digital coal yard control platform;
the safety monitoring module is used for analyzing according to gas data sent by the safety monitoring module, wherein the gas data comprises CO concentration, CH4 concentration, humidity and wind direction; and monitoring the specific position of the area measured by the sensor for monitoring the gas concentration rise, and analyzing whether the specific position and the temperature point cloud matrix exceed the corresponding threshold value or not to achieve the functions of real-time monitoring and warning.
5. The digital coal yard system of claim 4, wherein said gas environment monitoring module comprises: the combustible/harmful gas detection sensor is arranged in the coal yard, detects the content of combustible/harmful gas, the humidity data in the coal yard, the wind power and the wind direction in real time and sends the data to the digital coal yard control platform;
and the safety monitoring module generates alarm information when the content of the combustible/harmful gas exceeds a set threshold value.
6. The digital coal yard system of claim 4, wherein the combustible/hazardous gas is CO; the safety monitoring module obtains a CO concentration variation trend at a set coal pile area/set coal pile surface point according to historical data of CO content in a set time period, and alarm information is generated by utilizing analysis software when potential safety hazards can be generated in the future according to the CO concentration variation trend.
7. The digital coal yard system of claim 4, wherein said gas environment monitoring module comprises: the smoke sensor is arranged in the coal yard and used for detecting the smoke content in real time and sending the smoke content to the digital coal yard control platform;
and the safety monitoring module generates alarm information when the smoke content exceeds a set threshold value.
8. The digital coal yard system of claim 4, wherein the safety monitoring module generates an alarm message when determining that the temperature of any position exceeds a set threshold according to the temperature point cloud matrix.
9. The digital coal yard system of claim 4,
the safety monitoring module obtains a temperature change trend of a set coal pile area/a set coal pile surface point according to historical data of the temperature point cloud matrix in a set time period, and alarm information is generated when the temperature change trend is judged to generate potential safety hazards in the future by utilizing analysis software.
10. The digital coal yard system of claim 3, wherein the various coals are placed in different areas according to the types of the coals, the coal yard areas are marked in a model of the digital coal yard, the coal yard is automatically layered and stacked by using heat values or other label data required by co-combustion, the coal yard is visually displayed by using two-dimensional section and three-dimensional stacking rendering modes, and the coal yard is controlled in different areas.
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