CN114415627B - Full working face hydraulic support electrohydraulic control system testing method and equipment - Google Patents
Full working face hydraulic support electrohydraulic control system testing method and equipment Download PDFInfo
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Abstract
The invention provides a test method and a test device for an electrohydraulic control system of a full-working-surface hydraulic support, which are used for realizing simulation combination of a true machine and a three-dimensional model by constructing a three-stage working-surface driving system and a three-dimensional full-working-surface test model matched with the three-stage working-surface driving system, and testing and verifying the electrohydraulic control system of the full working surface; the working data generated by starting the three-level working surface driving system and the detection data generated in the running process are input into the three-dimensional full working surface test model, and the test verification capability of the electrohydraulic control system is improved by utilizing the interference information and the fault information in the detection data. The method can be used as the actual working condition of the working face, safety admission of the hydraulic support electrohydraulic control system with the specified model, scientific research, integral verification and debugging before well running and teaching, and can carry out accurate control test on the electrohydraulic control system so as to enable the electrohydraulic control system to meet various different working conditions and improve the reliability of equipment.
Description
Technical Field
The invention relates to the technical field of equipment testing, in particular to a method and a device for testing an electrohydraulic control system of a full-working-surface hydraulic support, computer equipment and a storage medium.
Background
When coal mining operation is carried out underground, the modern technology is carried out in a three-machine linkage mode, and the working performance of an electrohydraulic control system connected with a hydraulic support in three-machine equipment is required to be tested in the coal mining process. In the existing test scheme, three machines are generally used for constructing a hydraulic support electrohydraulic control system verification platform in a true machine form or a three-machine three-dimensional simulation form, and the scheme cannot combine the true machine with the simulation and cannot test and verify the electrohydraulic control system of the whole working surface; in addition, the environmental conditions cannot be changed, and the conditions of high and low temperature, cold and hot impact, high humidity, dust, acidity and alkalinity in the underground coal mine environment cannot be simulated; moreover, the existing test verification mode cannot simulate the underground posture and coupling characteristics of the three machines, cannot simulate the impact characteristics of the hydraulic support in the underground, and cannot introduce fault information to test the electrohydraulic control system.
Disclosure of Invention
The invention provides a method, a device, computer equipment and a storage medium for testing an electrohydraulic control system of a full working surface hydraulic support, and aims to test the working performance of the electrohydraulic control system in a mode of combining a real system with a three-dimensional simulation model.
Therefore, a first object of the present invention is to provide a method for testing an electrohydraulic control system of a hydraulic support with a full working surface, comprising:
based on an underground environment, constructing a three-level working surface driving system corresponding to the underground environment, and simultaneously constructing a three-dimensional full working surface test model matched with the three-level working surface driving system; the three-dimensional full working face test model is used for carrying out three-dimensional modeling on a first number of hydraulic support electrohydraulic control systems supporting coal mining operation of the full working face;
controlling the three-level working surface driving system to start to operate, and transmitting the generated working data and the acquired detection data generated when the corresponding three-level working surface driving system operates to the three-dimensional full working surface test model;
and driving the three-dimensional full working surface test model by the working data, and simultaneously injecting the detection data into each hydraulic support electrohydraulic control system in the three-dimensional full working surface test model to test the operation condition of each hydraulic support electrohydraulic control system.
In the three-stage working surface driving system, a first-stage working surface physical system comprises a second number of hydraulic supports and matched equipment, and each hydraulic support is provided with an electrohydraulic control system to be tested; the secondary working surface semi-physical system comprises a third number of hydraulic support models, pressure switches and matched equipment; the three-level work surface system includes a fourth number of electro-hydraulic control systems to be tested.
The first-stage working face physical system collects pressure signals generated by the second number of hydraulic supports in the running process; the secondary working face semi-physical system collects pressure signals of the pressure switch in the running process; during the operation process of the three-level working surface system, electromagnetic signals generated by the operation of each electrohydraulic control system are collected; and transmitting pressure signals generated by the hydraulic support and the pressure switch and electromagnetic signals generated by the electrohydraulic control system into the three-dimensional full-working-surface test model as the working data.
Wherein the first number is equal to the sum of the second number, the third number, and the fourth number.
The detection data are acquired through an information database and comprise bracket information, interference information and fault information corresponding to hydraulic brackets of different models; and transmitting the detection data to the three-dimensional full working surface test model, and periodically and/or randomly applying the detection data to an electrohydraulic control system model.
The three-dimensional full working surface test model is obtained through a digital twin technology according to the actual working surface environment arrangement, and a three-machine model in the model is constructed based on real three-machine equipment data and stored working data.
The three-stage working surface driving system is arranged in a closed space, and the closed space is provided with conditions of temperature height, cold and hot impact, high humidity, dust and acid-base property which are simulated and regulated according to geological conditions of a mine;
the detection data are real-time or historical data generated by a hydraulic support test bed vertical externally loading mechanism, an externally loading mechanism in all directions, a stand column test bed impact mechanism, a stand column impact test bed, a safety valve large-flow test bed and a safety valve impact test bed;
and meanwhile, an information arranger is constructed and used for inputting the detection data into the three-dimensional full-working-surface test model according to a preset rule.
The second object of the present invention is to provide a test device for an electrohydraulic control system of a hydraulic support with a full working surface, comprising:
the model construction module is used for constructing a three-level working surface driving system corresponding to the underground environment based on the underground environment, and simultaneously constructing a three-dimensional full working surface test model matched with the three-level working surface driving system; the three-dimensional full working face test model is used for carrying out three-dimensional modeling on a first number of hydraulic support electrohydraulic control systems supporting coal mining operation of the full working face;
the data transmission module is used for controlling the three-level working surface driving system to start to operate and transmitting the generated working data and the acquired detection data corresponding to the three-level working surface driving system during operation to the three-dimensional full working surface test model;
the test module is used for driving the three-dimensional full working surface test model by the working data, and simultaneously injecting the detection data into each hydraulic support electrohydraulic control system in the three-dimensional full working surface test model to test the operation condition of each hydraulic support electrohydraulic control system.
A third object of the invention is to propose a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, which when executing the computer program implements the method according to the above mentioned technical solution.
A fourth object of the present invention is to propose a non-transitory computer-readable storage medium on which a computer programme is stored, which when being executed by a processor carries out the method of the preceding solution.
Compared with the prior art, the simulation combination of a true machine and the three-dimensional model is realized by constructing the three-stage working surface driving system and the three-dimensional full working surface test model matched with the three-stage working surface driving system, and the test verification is carried out on the electro-hydraulic control system of the full working surface; the working data generated by starting the three-level working surface driving system and the detection data generated in the running process are input into the three-dimensional full working surface test model, and the test verification capability of the electrohydraulic control system is improved by utilizing the interference information and the fault information in the detection data. The method can be used as the actual working condition of the working face, safety admission of the hydraulic support electrohydraulic control system with the specified model, scientific research, integral verification and debugging before well running and teaching, and can carry out accurate control test on the electrohydraulic control system so as to enable the electrohydraulic control system to meet various different working conditions and improve the reliability of equipment.
Drawings
The invention and/or additional aspects and advantages will be apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic flow chart of a test method of an electrohydraulic control system of a full working surface hydraulic support.
Fig. 2 is a schematic diagram of a model structure of a test method of an electrohydraulic control system of a full working surface hydraulic support.
Fig. 3 is a schematic structural diagram of a specific implementation of a test method of an electrohydraulic control system of a full-face hydraulic support provided by the invention.
Fig. 4 is a logic schematic diagram of a test method of an electrohydraulic control system of a full working surface hydraulic support provided by the invention.
Fig. 5 is a schematic structural diagram of a test device for an electrohydraulic control system of a full-working-surface hydraulic support, which is provided by the invention.
Fig. 6 is a schematic structural diagram of a non-transitory computer readable storage medium according to the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Fig. 1 and fig. 4 are a test method of an electrohydraulic control system of a hydraulic support with a full working surface, which is provided by an embodiment of the invention. The method comprises the following steps:
step 101, constructing a three-level working surface driving system corresponding to an underground environment based on the underground environment, and constructing a three-dimensional full working surface test model matched with the three-level working surface driving system; the three-dimensional full working face test model is used for three-dimensional modeling of a first number of hydraulic support electrohydraulic control systems supporting coal mining operation of the full working face.
The method can be used for carrying out safety access verification, scientific research, product development and pre-well debugging on the electrohydraulic control system of the hydraulic support of the full working face under any mine appointed support and other conditions. According to the invention, by combining with the geological conditions of the actual underground working face of the coal mine, a three-machine working face driving system is designed to drive a three-dimensional working face testing system to run, so that the test verification of the electrohydraulic control system to be tested is completed. The three-dimensional model can carry out targeted simulation on a hydraulic support sampling original machine of a certain mine, and the hydraulic support sampling original machine is injected into the model through the integral support posture characteristic, the integral support coupling characteristic and the integral support and the impact characteristic of the components of the integral support through regular and random superposition signals.
As shown in fig. 2, the three-stage working surface driving system is divided into three stages, and the first-stage working surface physical system comprises a second number of hydraulic supports and matched equipment, and each hydraulic support is provided with an electrohydraulic control system to be tested; the secondary working surface semi-physical system comprises a third number of hydraulic support models, pressure switches and matched equipment; the three-level work surface system includes a fourth number of electro-hydraulic control systems to be tested.
The first quantity is equal to the sum of the second quantity, the third quantity and the fourth quantity, wherein the first quantity is the quantity of electrohydraulic control systems of the whole working surface;
specifically, as shown in fig. 3, the three-level face drive system is used to simulate the equipment layout of a full face, assuming that the number of full face uses electro-hydraulic control systems is n. In the specific embodiment of the invention, a primary working face physical system is provided with 23 hydraulic support true machines, 1 coal mining machine true machine, 1 scraper machine, 1 set of pump station, and a matched hydraulic system, an electric system, a test system, a flow sensor and a pressure sensor, wherein the number of the hydraulic support is determined by the hydraulic support, the coal mining machine and the scraper machine, and the requirements of displaying coal mining technology, cost and site are met; when 23 hydraulic supports are arranged, the execution mode of the beveling feeding coal mining process is arranged. Wherein 23 are also the aforementioned second number.
23 hydraulic support models, 1 coal mining machine model, 1 scraper conveyor model, and matched pump station, hydraulic system, electric system and pressure switch are arranged in the secondary working surface semi-physical system; for convenience of arrangement, the number of the third number of hydraulic support models is also set to 23 in the present invention.
The three-stage working surface system is provided with n-46 electrohydraulic control systems, and working data are generated by electrifying.
The three-stage working face driving system is arranged in a closed space, and the closed space is provided with conditions of simulating and adjusting temperature, cold and hot impact, high humidity, dust and acid-base property according to mine geological conditions;
the invention adopts a digital twin technology to construct a three-dimensional full working surface test model. The model is arranged according to the actual condition of the full working surface, and comprises n hydraulic support simulation models matched with a three-stage working surface driving system and matched equipment simulation structures corresponding to all stages. The hydraulic support in the model is constructed by real support data and real hydraulic support working parameters, and the model can be replaced.
The method comprises the steps of acquiring equipment information of a hydraulic support real machine, a stand column, a balance jack, a front beam jack, a tail beam jack, a side protection jack, a pushing jack, a safety valve and a plurality of sleeves of a full working face hydraulic support electrohydraulic control system in advance, acquiring exploration geological conditions and underground design data of a corresponding working face, and providing the equipment information for constructing a three-dimensional full working face test model.
The existing hydraulic support test bed, hydraulic support large-inclination test bed, hydraulic support moving speed test bed, upright post test bed and safety valve test bed are used for obtaining support information and fault information, and the support information and the fault information are used as basic elements for constructing a three-dimensional model.
And 102, controlling the three-level working surface driving system to start to operate, and transmitting the generated working data and the acquired detection data generated when the corresponding three-level working surface driving system operates to a three-dimensional full working surface test model.
For the primary working surface physical system in the three-stage working surface driving system, pressure signal data of a hydraulic support true machine are collected, for the secondary working surface semi-physical system, pressure signal data generated by a pressure switch is collected, for the three-stage working surface system, electromagnetic signal data are collected, and three kinds of data are input into a created three-dimensional full working surface test model.
The hydraulic support real machine complete machine is detected according to a pattern test (comprising yielding performance), fault record and pressure curve are made, the pressure test is carried out according to overpressure multiple, and complete machine information and the pressure curve are recorded; the true machine complete machine performs coupling tests in all directions according to geological conditions, and records complete machine information; the real machine complete machine obtains the running posture of the bracket complete machine through a bracket mechanism sensor or through scanning, and records the complete machine information; if the working face or the coal mining mode is large dip angle, upward mining and downward mining, a walking test is required to be carried out on a large dip angle test bed, and the running posture information of the whole machine is recorded; the whole machine of the true machine passes the test under different working conditions of the base plate, records the attitude information and the control passing information of the electrohydraulic control system, performs the frame moving test, and records the information of the true machine.
The hydraulic support real machine complete machine can carry out a complete impact test by scaling down the edition model, and record support information. The hydraulic support real machine comprises a column, a balance jack, a front beam jack, a tail beam jack, a side protection jack and a pushing jack, wherein the column, the balance jack, the front beam jack, the tail beam jack and the side protection jack of the hydraulic support real machine are subjected to pattern tests, and fault records and pressure curves are made; the upright post and the jack perform a pressure test according to the overpressure multiple, and information and a pressure curve are recorded; and (5) performing impact tests on the upright post and the jack, and recording information and a pressure curve. And the safety valves on the upright posts and the jacks are used for carrying out large-flow, overpressure and impact tests, and recording pressure curves.
The detection data are real-time or historical data generated by the support and the components thereof by utilizing a hydraulic support test bed vertical externally loading mechanism, an external loading mechanism in all directions, a stand column test bed impact mechanism, a stand column impact test bed, a safety valve large-flow test bed and a safety valve impact test bed.
The experimental data can be used as interference signal data and fault data in the test data and input into a model. And constructing an information arranger for inputting the detection data into the three-dimensional full-working-surface test model according to a preset rule. The conventional single, double, isolated, full, periodic or random signals are manufactured through the arranger and are injected into the data acquisition and processing information of the electrohydraulic control system of the hydraulic support.
And step 103, driving the three-dimensional full working surface test model by the working data, and simultaneously injecting the detection data into each hydraulic support electrohydraulic control system in the three-dimensional full working surface test model to test the operation condition of each hydraulic support electrohydraulic control system.
As shown in FIG. 4, the invention is used as the safety standard of the electrohydraulic control system of the hydraulic support to verify, meets the GB25974.4 (report) and EN1804-4 standard verification requirements, and performs control function test, safety function test, element function test, power fluctuation adaptability test, working stability test, working reliability test, anti-interference performance test, environmental performance test and the like. The system can also be used for carrying out special working condition tests such as accurate control tests, data acquisition and processing tests, fault diagnosis acquisition and processing tests, mine periodical pressure coming and the like as scientific research, product development, pre-well debugging and the like of the hydraulic support electrohydraulic control system.
In order to implement the embodiment, the invention also provides a full working face hydraulic support electrohydraulic control system testing device, as shown in fig. 5, comprising:
the model construction module 310 is configured to construct a three-level working surface driving system corresponding to a downhole environment based on the downhole environment, and construct a three-dimensional full working surface test model matched with the three-level working surface driving system; the three-dimensional full working face test model is used for carrying out three-dimensional modeling on a first number of hydraulic support electrohydraulic control systems supporting coal mining operation of the full working face;
the data transmission module 320 is configured to control the three-level working surface driving system to start to operate, and transmit the generated working data and the acquired detection data generated when the corresponding three-level working surface driving system operates to the three-dimensional full working surface test model;
and the testing module 330 is configured to drive the three-dimensional full working surface testing model with the working data, and simultaneously inject the detection data into each hydraulic support electrohydraulic control system in the three-dimensional full working surface testing model, so as to test the operation condition of each hydraulic support electrohydraulic control system.
To achieve the described embodiments, the present invention also proposes another computer device comprising: the system comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor realizes the electrohydraulic control system test according to the embodiment of the invention when executing the computer program.
As shown in fig. 6, the non-transitory computer readable storage medium includes a memory 810 of instructions executable by a test device processor 820 according to an electro-hydraulic control system to perform the method, an interface 830. Alternatively, the storage medium may be a non-transitory computer readable storage medium, for example, a ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
To achieve the described embodiments, the present invention also proposes a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs an electro-hydraulic control system test as an embodiment of the present invention.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and additional implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order from that shown or discussed, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In such embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. As with the other embodiments, if implemented in hardware, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the described embodiments may be implemented by a program that instructs associated hardware to perform, and that the program may be stored on a computer readable storage medium that when executed includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.
The mentioned storage medium may be a read-only memory, a magnetic or optical disk or the like. Although embodiments of the present invention have been shown and described above, it will be understood that the embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (8)
1. The method for testing the full working face hydraulic support electrohydraulic control system is characterized by comprising the following steps of:
constructing a three-level working surface driving system corresponding to an underground environment based on the underground environment, and simultaneously constructing a three-dimensional full working surface testing model matched with the three-level working surface driving system, wherein the three-dimensional full working surface testing model is used for carrying out three-dimensional modeling on a first number of hydraulic support electrohydraulic control systems supporting full working surface coal mining operation, the three-dimensional full working surface testing model is obtained according to the actual working surface environment through a digital twin technology, three-machine models in the model are constructed based on real three-machine equipment data and stored working data, the underground environment comprises high-low temperature, cold and hot impact, high humidity, dust, acidity and alkaline environment conditions in the underground environment of a coal mine, the three-level working surface driving system comprises a first-level working surface physical system, a second-level working surface semi-physical system and a third-level working surface physical system, the first-level working surface semi-physical system comprises a second number of hydraulic supports, a third number of hydraulic support models, a pressure switch and matched equipment, the third-level working surface system comprises a fourth number of electrohydraulic control systems to be tested, and the second number and the third number of electrohydraulic control systems are equal to the first number of working surfaces;
the three-level working surface driving system is controlled to start to operate, generated working data and acquired detection data corresponding to the three-level working surface driving system during operation are transmitted to the three-dimensional full working surface test model, wherein the detection data are acquired from an information database, and the detection data are real-time or historical data generated by a support and components thereof by utilizing a hydraulic support test bed vertical externally loading mechanism, externally loading mechanisms in all directions, a stand column test bed impact mechanism and a stand column impact test bed, and a safety valve large-flow test bed and a safety valve impact test bed;
and driving the three-dimensional full working surface test model by the working data, and simultaneously injecting the detection data into each hydraulic support electrohydraulic control system in the three-dimensional full working surface test model to test the operation condition of each hydraulic support electrohydraulic control system.
2. The method for testing the electro-hydraulic control system of the full face hydraulic support according to claim 1, wherein the electro-hydraulic control system to be tested is installed on each hydraulic support of the primary face physical system.
3. The method for testing the electrohydraulic control system of the hydraulic support of the full face according to claim 2, wherein, during the operation of said primary face physical system, the pressure signals generated by said second number of hydraulic supports are collected; the secondary working face semi-physical system collects pressure signals of the pressure switch in the running process; during the operation process of the three-level working surface system, electromagnetic signals generated by the operation of each electrohydraulic control system are collected; and transmitting pressure signals generated by the hydraulic support and the pressure switch and electromagnetic signals generated by the electrohydraulic control system into the three-dimensional full-working-surface test model as the working data.
4. The full face hydraulic support electrohydraulic control system testing method of claim 1 wherein said sensed data includes support information, disturbance information, and fault information corresponding to different models of hydraulic supports; and transmitting the detection data to the three-dimensional full working surface test model, and periodically and/or randomly applying the detection data to an electrohydraulic control system model.
5. The method for testing the full working face hydraulic support electrohydraulic control system according to claim 1, wherein said three-stage working face driving system is placed in a closed space, said closed space has the conditions of simulating and adjusting temperature, cold and hot impact, high humidity, dust, acid and alkali according to the geological conditions of mine;
and constructing an information arranger, wherein the information arranger is used for inputting detection data into the three-dimensional full-working-surface test model according to a preset rule.
6. The utility model provides a full working face hydraulic support electrohydraulic control system testing device which characterized in that includes:
the system comprises a model construction module, a model construction module and a control module, wherein the model construction module is used for constructing a three-level working face driving system corresponding to an underground environment based on the underground environment, and simultaneously constructing a three-dimensional full working face test model matched with the three-level working face driving system, the three-dimensional full working face test model is used for carrying out three-dimensional modeling on a first number of hydraulic support electrohydraulic control systems supporting coal mining operation of the full working face, the three-dimensional full working face test model is obtained according to the actual working face environment through a digital twin technology, the three-machine model in the model is constructed based on real three-machine equipment data and stored working data, the underground environment comprises high and low temperature, cold and hot impact, high humidity, dust, acidity and alkaline environment conditions in the underground environment of a coal mine, the three-level working face driving system comprises a first-level working face physical system, a second-level working face semi-physical system and a third-level working face system, the first number of hydraulic support models, a pressure switch and matched equipment, the third number of the third-level working face semi-physical system comprises a fourth number of electrohydraulic support models, the pressure switch and matched equipment, and the third number of working face systems to be tested, and the third number of the third number and the third number of working face systems are equal to the number;
the data transmission module is used for controlling the three-level working surface driving system to start to operate, and transmitting the generated working data and the acquired detection data generated when the corresponding three-level working surface driving system operates to the three-dimensional full working surface test model, wherein the detection data are acquired from an information database, and the detection data are real-time or historical data generated by a support and a component part thereof by utilizing a hydraulic support test bed vertical externally loading mechanism, externally loading mechanisms in all directions, a column test bed impact mechanism, a column impact test bed, a safety valve large-flow test bed and a safety valve impact test bed;
the test module is used for driving the three-dimensional full working surface test model by the working data, and simultaneously injecting the detection data into each hydraulic support electrohydraulic control system in the three-dimensional full working surface test model to test the operation condition of each hydraulic support electrohydraulic control system.
7. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of any of claims 1-5 when executing the computer program.
8. A non-transitory computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by a processor, implements the method according to any of claims 1-5.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280060A (en) * | 1980-06-09 | 1981-07-21 | General Electric Company | Dedicated microcomputer-based control system for steam turbine-generators |
| CN201402208Y (en) * | 2009-04-17 | 2010-02-10 | 上海宝钢设备检修有限公司 | Comprehensive testing device for electro hydraulic control valve |
| CN103399495A (en) * | 2013-08-07 | 2013-11-20 | 中国矿业大学 | Simulation system and simulation method of hydraulic support electric hydraulic control system |
| CN105404171A (en) * | 2015-09-24 | 2016-03-16 | 北京天地玛珂电液控制系统有限公司 | Simulation test system of hydraulic support electro-hydraulic control system |
| WO2016141621A1 (en) * | 2015-03-09 | 2016-09-15 | 中国矿业大学 | Integrated test system for true-triaxial flow pressure fracturing, slotting, leakage and gas expulsion |
| CN106089278A (en) * | 2016-06-28 | 2016-11-09 | 太原理工大学 | Colliery unmanned fully-mechanized mining working surface hydraulic support electrohydraulic control system testing stand |
| CN110221546A (en) * | 2019-05-21 | 2019-09-10 | 武汉理工大学 | The ship intelligence control system test platform of virtual reality fusion |
| CN111176136A (en) * | 2019-12-18 | 2020-05-19 | 中国船舶重工集团公司第七一五研究所 | Virtual-real integrated simulation system of electro-mechanical-hydraulic equipment |
| CN111208759A (en) * | 2019-12-30 | 2020-05-29 | 中国矿业大学(北京) | Digital twin intelligent monitoring system for unmanned fully mechanized coal mining face of mine |
| CN113033006A (en) * | 2021-03-31 | 2021-06-25 | 郑州煤机液压电控有限公司 | Method for reducing three-dimensional model of underground coal mine mining working face |
| CN113641111A (en) * | 2021-09-15 | 2021-11-12 | 中国船舶重工集团公司第七0四研究所 | Semi-physical simulation platform with multi-mode switching function |
-
2021
- 2021-12-22 CN CN202111608505.2A patent/CN114415627B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280060A (en) * | 1980-06-09 | 1981-07-21 | General Electric Company | Dedicated microcomputer-based control system for steam turbine-generators |
| CN201402208Y (en) * | 2009-04-17 | 2010-02-10 | 上海宝钢设备检修有限公司 | Comprehensive testing device for electro hydraulic control valve |
| CN103399495A (en) * | 2013-08-07 | 2013-11-20 | 中国矿业大学 | Simulation system and simulation method of hydraulic support electric hydraulic control system |
| WO2016141621A1 (en) * | 2015-03-09 | 2016-09-15 | 中国矿业大学 | Integrated test system for true-triaxial flow pressure fracturing, slotting, leakage and gas expulsion |
| CN105404171A (en) * | 2015-09-24 | 2016-03-16 | 北京天地玛珂电液控制系统有限公司 | Simulation test system of hydraulic support electro-hydraulic control system |
| CN106089278A (en) * | 2016-06-28 | 2016-11-09 | 太原理工大学 | Colliery unmanned fully-mechanized mining working surface hydraulic support electrohydraulic control system testing stand |
| CN110221546A (en) * | 2019-05-21 | 2019-09-10 | 武汉理工大学 | The ship intelligence control system test platform of virtual reality fusion |
| CN111176136A (en) * | 2019-12-18 | 2020-05-19 | 中国船舶重工集团公司第七一五研究所 | Virtual-real integrated simulation system of electro-mechanical-hydraulic equipment |
| CN111208759A (en) * | 2019-12-30 | 2020-05-29 | 中国矿业大学(北京) | Digital twin intelligent monitoring system for unmanned fully mechanized coal mining face of mine |
| CN113033006A (en) * | 2021-03-31 | 2021-06-25 | 郑州煤机液压电控有限公司 | Method for reducing three-dimensional model of underground coal mine mining working face |
| CN113641111A (en) * | 2021-09-15 | 2021-11-12 | 中国船舶重工集团公司第七0四研究所 | Semi-physical simulation platform with multi-mode switching function |
Non-Patent Citations (1)
| Title |
|---|
| 液压支架电液控制系统测试装置的研制;姚玉维;;煤矿机械;20150515(05);全文 * |
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