Mine load adaptive control method, device and system

Abstract

The invention discloses a mine load adaptive control method, device and system, and belongs to the field of novel power system stability control and mine production, and the method comprises the steps: determining a hierarchical multi-round control strategy based on power grid power demand data and real-time production data of a mine load in response to a power grid dispatching power demand; a round control instruction is generated based on the hierarchical multi-round control strategy; and issuing a round control instruction to the basic automatic control device, wherein the round control instruction is used for instructing the basic automatic control device to control the mine load of the corresponding round to carry out power adjustment. According to the method, the active supporting effect of the mine load on the power grid can be fully exerted, the load can be accurately controlled according to the actual power requirement and the production process condition by adopting the flexible control strategy, then the adjustable load potential is fully excavated, and safe and stable operation of mine production is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of new power system stability control and mine production technology, in particular to a mine load adaptive control method, device and system. BACKGROUND

[0002] With the rapid increase in the penetration rate of new energy power generation driven by the goal of carbon reduction and consumption reduction, the new power system presents significant "source and load high" characteristics. The contradiction between the intermittency of new energy power generation and the rigid demand for continuous production of mine load is increasingly prominent. Due to the lack of active support of mine production load side to the power grid, when new energy power generation is insufficient, the power grid stability control device is mainly relied on to control the power flow balance of the power grid. When the power grid lacks power, the power grid stability control device usually adopts a "one-size-fits-all" load shedding strategy, which not only fails to fully tap the potential of adjustable load, but also may cause safety accidents due to mis-cutting of critical load. SUMMARY

[0003] The present application provides a mine load adaptive control method, device and system to fully tap the potential of adjustable load and ensure the safe and stable operation of mine production.

[0004] In a first aspect, a mine load adaptive control method is provided, comprising the following steps:

[0005] In response to the power demand of the power grid, a hierarchical multi-round control strategy is determined based on power demand data of the power grid and real-time production data of mine load.

[0006] A round control instruction is generated based on the hierarchical multi-round control strategy.

[0007] The round control instruction is issued to a basic automation control device, and the round control instruction is used to instruct the basic automation control device to control the power adjustment of the mine load in the corresponding round.

[0008] In some embodiments, the hierarchical multi-round control strategy is determined based on the power demand data of the power grid and the real-time production data of the mine load, comprising:

[0009] A target load classification of each mine load is determined, the target load classification comprising a first-level load, a second-level load and a third-level load, the influence of the first-level load, the second-level load and the third-level load on production decreasing in turn.

[0010] A plurality of round loads is determined based on the second-level load and the third-level load.

[0011] Each of the round loads is divided into a plurality of sub-round loads based on the interlocking relationship between the devices.

[0012] adjusting the order of the rounds among the round loads and / or the order of the sub-rounds among the sub-round loads according to the real-time production data and the power demand data of the power grid, and determining the hierarchical multi-round control strategy.

[0013] In some embodiments, the determining of the target load grade of each mine load comprises:

[0014] obtaining an initial load grade of each mine load;

[0015] dynamically adjusting the initial load grade of each mine load based on the real-time production data, and determining the target load grade.

[0016] In some embodiments, the dynamically adjusting of the initial load grade of each mine load based on the real-time production data, and the determining of the target load grade comprises:

[0017] in a case where the real-time production data of any mine load meets a preset condition, adjusting the initial load grade of the corresponding mine load, and determining the target load grade.

[0018] In some embodiments, the determining of the plurality of round loads based on the second-level load and the third-level load comprises:

[0019] determining the third-level load as a first round load;

[0020] based on the continuity of the mine production process, dividing the second-level load into a second round load to an Nth round load, N being an integer greater than or equal to 2, with the process system as a boundary;

[0021] wherein the order of the first round load to the Nth round load is arranged in the order from first to last.

[0022] In some embodiments, the adjusting of the order of the rounds among the round loads and / or the order of the sub-rounds among the sub-round loads according to the real-time production data and the power demand data of the power grid, and the determining of the hierarchical multi-round control strategy comprises:

[0023] determining, based on the order of the first round load to the Nth round load, the mine load to be controlled in each round in turn;

[0024] determining, based on the real-time production data, the power control margin of the mine load in each round;

[0025] in a case where the power control margin of each mine load in the current round cannot meet the power demand data of the power grid, determining, from each sub-round load of the next round load of the current round load, a target sub-round load that meets an interlocking relationship with the current round load.

[0026] The current round load and the target sub-round load are determined as the parallel regulated load of the current round.

[0027] In some embodiments, the method further comprises:

[0028] In response to a target operation of a user, adjusting the round order between the round loads and / or the round order between the sub-round loads.

[0029] The second aspect also provides a mine load adaptive control device, comprising:

[0030] A strategy determination module is configured to determine a hierarchical multi-round control strategy based on grid power demand data and real-time production data of the mine load in response to a grid dispatching power demand.

[0031] An instruction generation module is configured to generate a round control instruction based on the hierarchical multi-round control strategy.

[0032] An instruction issuing module is configured to issue the round control instruction to a basic automation control device, and the round control instruction is used to instruct the basic automation control device to control the corresponding round of the mine load to adjust power.

[0033] The third aspect also provides a mine load adaptive control system, comprising:

[0034] The mine load adaptive control device of the second aspect;

[0035] A basic automation control device is configured to connect the mine load, and the basic automation control device is configured to control the corresponding round of the mine load to adjust power in response to the round control instruction.

[0036] In some embodiments, the round control instruction comprises a target mine load of the current round and a power adjustment order; and the basic automation control device is configured to control the corresponding round of the mine load to adjust power in response to the round control instruction, comprising:

[0037] In response to the round control instruction, the execution element of the target mine load is controlled to act in the power adjustment order.

[0038] The mine load adaptive control method provided in the embodiments of the present application can determine a hierarchical multi-round control strategy in combination with power demand data of a power grid and real-time production data of a mine load, and generate round control instructions for controlling the mine load in each round based on the hierarchical multi-round control strategy, so that the active support of the mine load to the power grid can be fully exerted, the flexible control strategy can be used to accurately control the load according to actual power demand and production process conditions, the adjustable load potential can be fully tapped, and the safe and stable operation of the mine production can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0040] Figure 1 The figure is a schematic diagram of the overall process of the mine load adaptive control method provided in the embodiments of the present application.

[0041] Figure 2 The figure is a schematic diagram of the specific process of the mine load adaptive control method provided in the embodiments of the present application.

[0042] Figure 3 The figure is an example schematic diagram of the hierarchical multi-round control strategy provided in the embodiments of the present application.

[0043] Figure 4 The figure is a schematic diagram of the execution process of the hierarchical multi-round control strategy provided in the embodiments of the present application.

[0044] Figure 5 The figure is a schematic diagram of the structure of the mine load adaptive control device provided in the embodiments of the present application.

[0045] Figure 6 The figure is a schematic diagram of the structure of the mine load adaptive control system provided in the embodiments of the present application. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0047] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are intended to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present application and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise expressly specified.

[0048] "A and / or B" includes the following three combinations: only A, only B, and a combination of A and B.

[0049] The use of "adapted to" or "configured to" in the present application means open and inclusive language that does not exclude devices adapted to or configured to perform additional tasks or steps. In addition, the use of "based on" means open and inclusive, because the process, step, calculation or other action "based on" one or more stated conditions or values can be based on additional conditions or values beyond those stated in practice.

[0050] In the present application, the word "exemplary" is used to mean "serving as an example, instance, or illustration." Any implementation described as "exemplary" in the present application is not necessarily to be construed as preferred or advantageous over other implementations. The following description is presented to enable any person skilled in the art to make and use the present application. In the following description, for the purposes of explanation, details are set forth in order to provide a thorough understanding of the application. It should be apparent to those skilled in the art that the application can be practiced without the specific details presented below. In other instances, well-known structures and processes are not described in detail in order to avoid obscuring the application. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features presented herein.

[0051] With the rapid increase of new energy power generation penetration rate driven by the target of carbon reduction and energy saving, the new power system presents the characteristics of "high source and high load", and the contradiction between the intermittency of new energy power generation and the rigid demand of continuous production of mine load is increasingly prominent. The related technology mainly adopts two types of solutions, one is to increase a large number of diesel or gas generator sets on the power generation side for emergency power supply when new energy power generation is insufficient, which will increase additional investment and operation and maintenance costs; the other is to stop production line frequently without planning, which will greatly affect the economy of mine production. At the same time, due to the lack of active support of mine production load side to the power grid, when new energy power generation is insufficient, the grid stability control device is often triggered to act, and when the power grid lacks power, the grid stability control device usually cannot implement precise load shedding based on real-time working conditions, which easily leads to the two-way risk of "excessive load shedding affecting production" or "insufficient load shedding threatening the power grid".

[0052] In addition, the grid stability control device usually adopts a "one-size-fits-all" load shedding strategy, which does not finely classify the mine load characteristics, and cannot fully tap the potential of adjustable load, and may cause safety accidents due to mis-cutting of key load. In addition, the mine production system involves multi-link linkage, and the traditional load shedding relies on manual intervention or single-point equipment control, lacking a programmed control algorithm for full-plant load shedding. When it is necessary to respond quickly to grid instructions, it is easy to cause confusion in the sequence of equipment start and stop, interruption or restart of the process, and sharp increase in energy consumption, making it difficult to balance load shedding efficiency and production continuity. In summary, the demand response for industrial load has not yet formed a load shedding strategy that combines the characteristics of mine production process (such as stockyard level buffer capacity and production line start-stop logic), and lacks a mine load adaptive control device that takes into account the stability of the power grid and the economy of mine production.

[0053] Therefore, the embodiments of the present application provide a mine load adaptive control method, device and system, which can execute a flexible control strategy for load based on multi-source data fusion and has process coordination capability, realizing flexible adjustment of mine load and dynamic balance of power grid frequency, thereby solving at least one of the above technical problems.

[0054] Please refer to Figure 1 , Figure 1 The figure is a whole flowchart of the mine load adaptive control method of the embodiments of the present application, Figure 2 The figure is a specific flowchart of the mine load adaptive control method of the embodiments of the present application. The method specifically comprises the following steps:

[0055] Step 101: In response to the power demand of the power grid, based on the power demand data of the power grid and the real-time production data of the mine load, a hierarchical multi-round control strategy is determined.

[0056] Specifically, the power demand of the power grid dispatching is issued by an upper power grid dispatching system. For example, the upper power grid dispatching system can issue a load shedding instruction, and the power demand of the power grid dispatching is carried in the load shedding instruction.

[0057] Please refer to Figure 3 , Figure 3 is a schematic diagram of the hierarchical multi-round control strategy of the embodiment of the present application. In some embodiments, step 101 can be specifically implemented by the following manner:

[0058] Step one, determine the target load classification of each mine load, the target load classification includes first-level load, second-level load, and third-level load, the influence degree of the first-level load, the second-level load, and the third-level load on production decreases in turn.

[0059] Illustratively, the mine load can be divided into three levels according to the importance of the influence of the load on production, wherein the first-level load represents the load of the equipment that affects the safety of production, such as mine ventilation equipment, underground drainage equipment, etc., the first-level load cannot be controlled in any case to ensure the safety of mine production. The second-level load represents the load of the equipment that affects the production product, such as ore crushing equipment, beneficiation equipment, etc., the running state of the second-level load will directly affect the product yield and quality of the mine. The third-level load represents the load of the equipment that does not affect the production product, such as lighting equipment in the office area of the mine, part of the non-critical auxiliary equipment (such as tailings pond backwater system, beneficiation plant electric boiler, residential area electric boiler), etc., when the load control is performed, the third-level load can be preferentially controlled.

[0060] In some examples, the target load classification can be determined by the following steps:

[0061] First step, obtain the initial load classification of each mine load.

[0062] Specifically, according to the importance of the influence of each mine load on production, all mine loads are divided into first-level load, second-level load, and third-level load, for example, the first-level load includes ventilation equipment, drainage equipment, etc., the second-level load includes roller bit, electric shovel, crusher, etc., and the third-level load includes tailings pond backwater system, beneficiation plant electric boiler, residential area electric boiler, etc.

[0063] Second step, dynamically adjust the initial load classification of each mine load based on real-time production data to determine the target load classification.

[0064] Illustratively, the real-time production data can include real-time power. In the case that the real-time production data of any mine load meets the preset condition, the initial load classification of the corresponding mine load is adjusted to determine the target load classification.

[0065] Specifically, the production state of the mine can be monitored in real time, and the load classification of the equipment can be dynamically adjusted according to the actual situation. The preset conditions can be set according to the load of each mine. For example, when the volume and temperature of the tank of the electric boiler of the ore dressing plant with a heat storage tank meet the requirements or the ore dressing plant is shut down, the electric boiler of the ore dressing plant can be classified as the third level load, but when the water temperature of the electric boiler of the ore dressing plant is low and the volume or temperature of the tank of the electric boiler does not meet the requirements, the electric boiler of the ore dressing plant can be temporarily upgraded to the first level load, and the electric boiler of the ore dressing plant is not allowed to be controlled. Among them, the electric boiler of the ore dressing plant can be temporarily upgraded to the first level load when the water level of the electric boiler of the ore dressing plant is less than 200 mm and the temperature is less than 50℃, and the electric boiler of the ore dressing plant can be restored to the third level load when the water level of the electric boiler of the ore dressing plant is greater than or equal to 200 mm or the temperature is greater than or equal to 50℃.

[0066] Step two, determining a plurality of round loads based on the second level load and the third level load.

[0067] In some embodiments, the plurality of round loads can be determined by the following way:

[0068] The third level load is determined as the first round load.

[0069] Based on the continuity of the mine production process, the second level load is divided into the second to Nth round loads with the process system as the boundary, and N is an integer greater than or equal to 2.

[0070] Among them, the round order of the first round load to the Nth round load is arranged in the order from the first to the last.

[0071] Specifically, the third level load which does not affect the production can be determined as the first round load, and such load can be processed first when it needs to be controlled. Considering the continuity of the mine production process, from the upstream ore drilling shovel to the downstream concentrate product, the second level load is divided according to the complete subsystem of the production process, for example, the ore mining subsystem, the ore transportation subsystem, the dump subsystem, the ore grinding workshop, the ore dressing workshop, etc. can be divided into the second to Nth round loads respectively. Exemplarily, taking N=5 as an example, the first round load can include the electric boiler of the ore dressing plant, the electric boiler of the living area and the tailings pond backwater system, the second round load can include the stripping equipment (such as excavator, bulldozer) and the electric locomotive of the mining site, the third round load can include the mining equipment (such as roller bit, electric shovel), stripping equipment and public auxiliary facilities of the mining system, the fourth round load can include each equipment of the ore grinding workshop, and the fifth round load can include each equipment of the ore dressing workshop.

[0072] Step three, dividing each round load into a plurality of sub-round loads based on the interlocking relationship between the equipment.

[0073] Specifically, in each round of load, each round of load can be further divided into multiple sub-rounds of load based on the interlocking relationship between the devices and the precise control requirements.

[0074] In some examples, step three can be implemented by the following steps:

[0075] First, based on the interlocking relationship of the devices, an interlocking strength network of each core process device is constructed, and the core process devices with weak interlocking strength with other devices are divided into independent process nodes. Second, taking the core process devices of each independent process node as the center, the core process devices and their directly associated auxiliary devices are divided into the same sub-round. Finally, according to the process flow sequence, each sub-round of load is arranged in turn.

[0076] For example, taking the third round of load as the ore mining subsystem, the same group of drilling machines, shovels, and trucks can be packaged according to the production plan, and then each group is divided into different sub-rounds of load. For example, the first sub-round of load can include the drill, shovel, and truck of series I, the second sub-round of load can include the drill, shovel, and truck of series II, the third sub-round of load can include the crushing station, the fourth sub-round of load can include one conveying belt, and the fifth sub-round of load can include another conveying belt.

[0077] Step four, according to the real-time production data and the power demand data of the power grid, adjust the round order between each round of load and / or the round order between each sub-round of load, and determine the hierarchical multi-round control strategy.

[0078] The power demand data of the power grid can include the power demand of the power grid.

[0079] Please refer to Figure 3 and Figure 4 , Figure 4 for the execution flow diagram of the hierarchical multi-round control strategy of the embodiments of the present application. In some embodiments, step four can be implemented by the following steps:

[0080] First, based on the round order of the first round of load to the Nth round of load, the mine load to be controlled in each round is determined in turn.

[0081] Specifically, the round order of the first round of load to the Nth round of load can be adjusted according to the actual situation, and the load control can usually be performed in a serial manner, i.e., the sub-rounds of load in each round of load are controlled in turn according to the set round order. In this way, the load control can be performed in an orderly manner, and the impact on the mine production can be avoided.

[0082] For example, the load cycles from the first to the Nth can be arranged in ascending order, and within each load cycle, the load cycles from the first to the Mth sub-cycles can be arranged in ascending order, where M is an integer greater than or equal to 1. That is to say, typically, the first load cycle can be controlled first, then the second, and so on, until the Nth load cycle is finally controlled. In the first load cycle, the load of sub-cycle 1 is controlled first, then the load of sub-cycle 2 is controlled, and so on until the load of sub-cycle M1 is finally controlled. In the second load cycle, the load of sub-cycle 1 is controlled first, then the load of sub-cycle 2 is controlled, and so on until the load of sub-cycle M2 is finally controlled. In the third load cycle, the load of sub-cycle 1 is controlled first, then the load of sub-cycle 2 is controlled, and so on until the load of sub-cycle M3 is finally controlled. In the fourth load cycle, the load of sub-cycle 1 is controlled first, then the load of sub-cycle 2 is controlled, and so on until the load of sub-cycle M4 is finally controlled. In the fifth load cycle, the load of sub-cycle 1 is controlled first, then the load of sub-cycle 2 is controlled, and so on until the load of sub-cycle M5 is finally controlled.

[0083] In addition, the mine's production status can be monitored in real time, and the load of each cycle and the order of the sub-cycles within each cycle can be dynamically adjusted according to the actual situation. For example, when the mine's raw ore stockpile has sufficient reserves but a large amount of waste rock, the cycle of the waste rock transportation subsystem can be postponed, while the cycle of the ore transportation subsystem can be brought forward. That is, the waste rock transportation subsystem can be adjusted from the second cycle load to the third cycle load, and the ore transportation subsystem can be adjusted from the third cycle load to the second cycle load, thereby ensuring the waste rock transportation needs without affecting the production of the downstream beneficiation plant.

[0084] by Figure 4 Taking the fourth round of load control in the grinding workshop as an example, the steps of sequentially executing the control according to the pre-set load sequence of each sub-round can include: stopping the grinding process; shutting down the raw ore feeder and the coke feeder; shutting down the raw ore belt conveyor and the coke belt conveyor; emptying the semi-autogenous mill and stopping the semi-autogenous mill; stopping the vibrating screen and the coke belt conveyor; stopping the slurry pump; emptying the ball mill and stopping the ball mill; and finally, the grinding process shutdown procedure is completed.

[0085] In some embodiments, an interface can be provided for manually adjusting mine load levels and rotation sequences. Mine managers can dynamically adjust the load control sequence through this interface based on actual production conditions and grid demands. For example, when faced with urgent production tasks or special grid requirements, mine managers can manually adjust the load levels or rotation sequences of certain equipment to ensure stable production and grid operation.

[0086] Accordingly, the method in this application embodiment may further include:

[0087] In response to the target operation of the user, the order of the rounds between the round loads and / or the order of the rounds between the sub-round loads is adjusted.

[0088] That is, the user can adjust the order of the rounds between the round loads, the order of the rounds between the sub-round loads in a round load, or both the order of the rounds between the round loads and the order of the rounds between the sub-round loads in a round load, which is not specifically limited in the embodiments of the application. The user can operate through a man-machine interface or a function button.

[0089] Secondly, the power regulation margin of each round of the mine load is determined based on real-time production data.

[0090] Specifically, the power regulation margin of the current round load can be determined according to the real-time power of the current round load at the front of the round order and in combination with the power demand of the power grid.

[0091] Thirdly, in the case that the power regulation margins of the mine loads in the current round cannot meet the power demand data of the power grid, a target sub-round load meeting the interlocking relationship with the current round load is determined from the sub-round loads of the next round load of the current round load.

[0092] Specifically, if the sum of the power regulation margins of the mine loads in the current round is less than the power demand of the power grid, it is determined that the power regulation margins of the mine loads in the current round cannot meet the power demand data of the power grid. If the sum of the power regulation margins of the mine loads in the current round is greater than or equal to the power demand of the power grid, it is determined that the power regulation margins of the mine loads in the current round can meet the power demand data of the power grid.

[0093] Fourthly, the current round load and the target sub-round load are determined as the parallel regulation loads of the current round.

[0094] For example, when the first round load control still cannot meet the power gap of the power grid, it can be judged whether there is a sub-round load meeting the interlocking relationship with the first round load in the second round load. If there is, the control of these sub-round loads can be performed in parallel to quickly meet the power demand of the power grid.

[0095] Taking the five rounds of load as an example, it is set to be performed in turn according to the round order from the first round of load to the fifth round of load. After receiving the load reduction instruction, the first sub-round of load to the M1th sub-round of load in the first round of load are controlled to reduce load in a serial order. In the case that the power regulation margin of the first round of load cannot meet the power demand data of the power grid, it can be judged whether the second round of load and the first round of load meet the interlocking relationship. If yes, in the case that the power regulation margin of the first sub-round of load of the second round of load still cannot meet the power demand data of the power grid, the mth sub-round of load and the nth sub-round of load meeting the interlocking relationship with the first round of load are taken as target sub-rounds of load to be determined as the parallel regulated load of the current first round of load together with the first round of load.

[0096] Step 102: generating a round control instruction based on the hierarchical multi-round control strategy.

[0097] Specifically, the round control instruction can include the target mine load of the current round and the power adjustment sequence.

[0098] Step 103: issuing the round control instruction to the basic automation control device, and the round control instruction is used to instruct the basic automation control device to control the mine load of the corresponding round to adjust power.

[0099] Exemplarily, the power adjustment can be realized by controlling the execution elements of the mine load, such as relays, contactors, etc.

[0100] It can be understood that the mine load adaptive control method of the embodiments of the present application finally forms a hierarchical multi-round control strategy by constructing a load dynamic hierarchical strategy based on the importance of equipment, constructing a load dynamic multi-round control strategy based on the production process, supporting manual dynamic adjustment of load grade and control rounds, thereby realizing fine multi-round control and differentiated hierarchical control of the load. In addition, by constructing a serial and parallel execution strategy based on real-time power demand, the control efficiency is ensured. Overall, by constructing a two-way interaction strategy on the mine power grid side and the production side, the active support of the mine production load on the power grid can be realized. By using a flexible control strategy, the load can be accurately controlled according to the actual power demand and the production process, which can improve the contradiction between the intermittency of new energy power generation and the rigid demand of mine production load under the new power system, thereby fully tapping the potential of adjustable load, maintaining the stability of the power grid, and ensuring the safe and stable operation and economy of mine production.

[0101] Correspondingly, the embodiments of the present application also provide a mine load adaptive control device. Please refer to Figure 5 , Figure 5It is a structural schematic diagram of a mine load adaptive control device according to an embodiment of the present application. The mine load adaptive control device specifically comprises a strategy determination module, an instruction generation module and an instruction issuing module.

[0102] The strategy determination module is configured to determine a hierarchical multi-round control strategy based on grid power demand data and real-time production data of the mine load in response to grid dispatching power demand.

[0103] The instruction generation module is configured to generate round control instructions based on the hierarchical multi-round control strategy.

[0104] The instruction issuing module is configured to issue the round control instructions to the basic automation control device, and the round control instructions are used to instruct the basic automation control device to control the corresponding round of the mine load to adjust power.

[0105] In some embodiments, the strategy determination module is specifically configured to:

[0106] determine a target load classification of each mine load, the target load classification comprising a first-level load, a second-level load and a third-level load, the first-level load, the second-level load and the third-level load having a decreasing impact on production in sequence;

[0107] determine a plurality of round loads based on the second-level load and the third-level load;

[0108] divide each round load into a plurality of sub-round loads based on an interlocking relationship between devices;

[0109] adjust the round order between the round loads and / or the round order between the sub-round loads according to the real-time production data and the grid power demand data, and determine the hierarchical multi-round control strategy.

[0110] In some embodiments, the strategy determination module is specifically configured to:

[0111] obtain an initial load classification of each mine load;

[0112] dynamically adjust the initial load classification of each mine load based on real-time production data, and determine the target load classification.

[0113] In some embodiments, the strategy determination module is specifically configured to:

[0114] adjust the initial load classification of the corresponding mine load to determine the target load classification when the real-time production data of any mine load meets a preset condition.

[0115] In some embodiments, the strategy determination module is specifically configured to:

[0116] determine the third-level load as the first round load;

[0117] Based on the continuity of the mine production process, the second level load is divided into second to Nth round loads, N is an integer greater than or equal to 2, taking the process system as the boundary;

[0118] Wherein, the round order of the first round load to the Nth round load is arranged in the order from first to last.

[0119] In some embodiments, the strategy determination module is specifically used for:

[0120] Based on the round order of the first round load to the Nth round load, the mine load to be regulated in each round is determined in turn;

[0121] Based on the real-time production data, the power regulation margin of the mine load in each round is determined;

[0122] In the case that the power regulation margin of each mine load in the current round cannot meet the power demand data of the power grid, the target sub-round load satisfying the interlocking relationship with the current round load is determined from each sub-round load of the next round load of the current round load;

[0123] The current round load and the target sub-round load are determined as the parallel regulated loads of the current round.

[0124] In some embodiments, the strategy determination module is specifically used for:

[0125] In response to the target operation of the user, the round order between the round loads and / or the round order between the sub-round loads is adjusted.

[0126] It can be understood that the device of the embodiments of the present application can fully exert the active support of the mine load to the power grid, and by using the flexible control strategy, the load can be accurately controlled according to the actual power demand and the production process, thereby fully tapping the adjustable load potential and ensuring the safe and stable operation of the mine production.

[0127] Correspondingly, the present application also provides a mine load adaptive control system. Please refer to Figure 6 , Figure 6 is a structural schematic diagram of the mine load adaptive control system of the embodiments of the present application. The mine load adaptive control system specifically includes the mine load adaptive control device of the preceding embodiments of the present application and the basic automation control device. The basic automation control device is used to connect the mine load, and is configured to control the power adjustment of the corresponding round of the mine load in response to the round control instruction.

[0128] In some embodiments, the basic automation control device is configured to control the power adjustment of the corresponding round of the mine load in response to the round control instruction, including:

[0129] In response to the round control instruction, the target mine load execution element is sequentially controlled to act according to the power adjustment sequence.

[0130] Exemplarily, the execution element can include a relay, a contactor, or the like switching element.

[0131] The mine load adaptive control device is connected with the upper-layer power grid dispatching system, and is configured to receive power grid power demand data through a high-speed communication interface (such as an optical fiber communication interface or a 5G communication module), and formulate a hierarchical multi-round control strategy according to the power grid power demand data and mine production real-time data, execute the control strategy, send control instructions to the basic automation control device through the high-speed communication interface (such as the optical fiber communication interface or the 5G communication module), and receive state feedback sent by the basic automation control device, so as to rollingly optimize the control strategy and send the state feedback to the upper-layer power grid dispatching system through the high-speed communication interface (such as the optical fiber communication interface or the 5G communication module). For example, when a power shortage of the power grid is received, it is determined that the second round of load shedding needs to be started, and control paths are sent to the basic automation control device through the high-speed communication interface. The basic automation control device controls the power supply circuit of the corresponding device by controlling the relay, contactor, and the like execution element according to the given second round of load shedding device list and sequence, so as to stop the operation of the device. In the control process, the mine load adaptive control device monitors the mine production load change data in real time, and dynamically adjusts the control strategy according to the actual situation.

[0132] It can be understood that the system of the embodiment of the present application can fully exert the active support of the mine load on the power grid, accurately control the load according to the actual power demand and production process by using a flexible control strategy, thereby fully tapping the adjustable load potential, and ensuring the safe and stable operation of the mine production.

[0133] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0134] The mine load adaptive control method, device and system provided by the embodiments of the present application are described in detail above, and the principle and implementation manner of the present application are described by applying specific examples. The above embodiment description is only used to help understand the method and its core idea of the present application; meanwhile, for those skilled in the art, the specific implementation manner and application range will be changed according to the idea of the present application. In view of the above, the content of the specification should not be understood as a limitation of the present application.

Claims

1. A mine load adaptive control method, characterized in that, Includes the following steps: In response to the power demand of the power grid dispatch, a hierarchical multi-round control strategy is determined based on the power demand data of the power grid and the real-time production data of the mine load. Generate round control instructions based on the hierarchical multi-round control strategy; The cycle control command is issued to the basic automation control device, which instructs the basic automation control device to adjust the power of the mine load for the corresponding cycle.

2. The mine load adaptive control method according to claim 1, characterized in that, The hierarchical multi-round control strategy, determined based on real-time production data of power grid demand and mine load, includes: The target load level of each mine load is determined, and the target load level includes a first-level load, a second-level load, and a third-level load, with the impact of the first-level load, the second-level load, and the third-level load on production decreasing in that order. Multiple load cycles are determined based on the second-level load and the third-level load; Based on the interlocking relationships between devices, each round of load is divided into multiple sub-round loads; Based on the real-time production data and the power demand data of the power grid, the order of load cycles between each cycle and / or the order of load cycles between each sub-cycle are adjusted to determine the hierarchical multi-cycle control strategy.

3. The mine load adaptive control method according to claim 2, characterized in that, The determination of the target load classification for each mine load includes: Obtain the initial load classification for each mine load; Based on the real-time production data, the initial load level of each mine load is dynamically adjusted to determine the target load level.

4. The mine load adaptive control method according to claim 3, characterized in that, Based on the real-time production data, the initial load level of each mine load is dynamically adjusted to determine the target load level, including: If the real-time production data of any of the mine loads meets the preset conditions, the initial load classification corresponding to the mine load is adjusted to determine the target load classification.

5. The mine load adaptive control method according to claim 2, characterized in that, Multiple load cycles are determined based on the second-level load and the third-level load, including: The third-level load is designated as the first round load; Based on the continuity of mining production processes, the second-level load is divided into the second to the Nth load cycles, with the process system as the boundary, where N is an integer greater than or equal to 2. The load cycles from the first load cycle to the Nth load cycle are arranged in a sequential order.

6. The mine load adaptive control method according to claim 5, characterized in that, Based on the real-time production data and the power demand data of the power grid, the rotation sequence between each load cycle and / or the rotation sequence between each sub-load cycle is adjusted to determine the hierarchical multi-cycle control strategy, including: Based on the cycle sequence from the first cycle load to the Nth cycle load, the mine load to be regulated in each cycle is determined sequentially; The power control margin of the mine load for each cycle is determined based on the real-time production data. If the power regulation margin of each of the mine loads in the current cycle cannot meet the power demand data of the power grid, a target sub-cycle load that satisfies the interlocking relationship with the current cycle load is determined from each sub-cycle load of the next cycle load of the current cycle load. The current round load and the target sub-round load are determined as the loads for parallel regulation in the current round.

7. The mine load adaptive control method according to claim 2, characterized in that, The method further includes: In response to the user's target operation, adjust the round order between the said round loads and / or the round order between the sub-round loads.

8. A mine load adaptive control device, characterized in that, include: The strategy determination module is used to determine a hierarchical multi-round control strategy in response to power grid dispatching demand, based on power grid demand data and real-time production data of mine load. The instruction generation module is used to generate round control instructions based on the hierarchical multi-round control strategy; The instruction issuing module is used to issue the cycle control instruction to the basic automation control device, and the cycle control instruction is used to instruct the basic automation control device to adjust the power of the mine load in the corresponding cycle.

9. A mine load adaptive control system, characterized in that, include: The mine load adaptive control device as described in claim 8; A basic automated control device is used to connect to the mine load, and the basic automated control device is configured to control the power adjustment of the mine load for the corresponding round in response to the round control command.

10. The mine load adaptive control system according to claim 9, characterized in that, The round control command includes the target mine load and power adjustment sequence for the current round. The basic automated control device is configured to adjust the power of the mine load for the corresponding round in response to round control commands, including: In response to the round control command, the actuators of the target mine load are controlled sequentially according to the power adjustment sequence.

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