CN115293382B - Management method and readable storage medium for mining equipment based on Internet of things - Google Patents
Management method and readable storage medium for mining equipment based on Internet of things Download PDFInfo
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Abstract
The invention relates to the technical field of maintenance equipment, in particular to a management method and a readable storage medium of mining equipment based on the Internet of things, and solves the problems that: the invention provides a management method for solving the problem that the monitoring equipment does not perform false judgment prevention detection after judging that the equipment needs to be maintained, so that all equipment in a mine can be managed and controlled in a planning way, the judgment on whether the equipment to be managed needs to be maintained is more accurate, the maintenance efficiency is increased, other equipment in a mine can perform reasonable work allocation according to the maintenance period, and the normal operation of the mine is ensured.
Description
Technical Field
The invention relates to the technical field of maintenance equipment, in particular to a management method and a readable storage medium of mining equipment based on the Internet of things.
Background
In the related technology, when related parameters meet the maintenance requirement, the equipment is directly judged to be required to be maintained, continuous monitoring is not carried out on the equipment, but part of detected abnormal parameters are caused by operation fluctuation and are not really damaged, the condition that maintenance personnel do not need to maintain after arriving at a maintenance site easily occurs, and the workload of the maintenance personnel is increased.
Disclosure of Invention
The problems solved by the invention are as follows: the problem that the misjudgment prevention detection is not carried out after the abnormal operation parameters of the equipment are detected and the equipment is judged to be required to be maintained is solved.
To solve the above problem, an embodiment of the present invention provides a management method, including: establishing an equipment management library, acquiring the equipment state of the equipment to be managed from the equipment management library, and judging whether the equipment to be managed is in a working state; if so, monitoring the running state parameters of the equipment to be managed in real time to obtain first actual parameter values, and calling the running state parameters of the equipment to be managed when the equipment to be managed works normally from the equipment management library to obtain a normal parameter range; if not, marking the equipment to be managed as the equipment for stopping detection; performing fault early warning analysis by comparing the first actual parameter value with a normal parameter range, judging whether the equipment to be managed needs to be maintained, and if so, marking the equipment to be managed as the equipment to be maintained; determining a maintenance mode of the equipment to be maintained and a maintenance period in the maintenance mode according to the first actual parameter value; carrying out error-proof detection before the maintenance work begins, and judging whether the maintenance work is executed or not; if the operation is executed, controlling the running state of the equipment to be managed related to the equipment to be maintained in the maintenance period; after the maintenance mode is executed, performing preventive maintenance on the similar equipment of the equipment to be maintained; after the maintenance work is finished, the maintenance information is fed back to the equipment management library; wherein, carry out the erroneous judgement of preventing before maintenance work begins and detect, include: and keeping monitoring on the running state parameters to obtain a second actual parameter value, judging that the equipment to be maintained does not need to be maintained after the second actual parameter value enters a normal parameter range for a first target time, adjusting the normal parameter range according to the second actual parameter value, and storing an adjustment result into an equipment management library.
Compared with the prior art, the technical scheme has the following technical effects: the setting up of equipment management storehouse lets all equipment in the mine can have the planned management and control of carrying on, the setting up of first actual parameter value and normal parameter scope lets the judgement that waits whether management equipment need maintain more accurate, the selection of maintenance mode lets the expansion maintenance work that maintenance personal can be quick, maintenance efficiency has been increased, maintenance cycle's calculation lets other equipment in mining area carry out reasonable work allotment according to maintenance cycle, guarantee the normal clear of mining area work, prevent setting up of erroneous judgement and reduced the influence that motion state parameter fluctuation brought, the rate of accuracy of failure determination has been promoted.
In an embodiment of the present invention, performing fault early warning analysis by comparing the first actual parameter value with the normal parameter range, and determining whether the device to be managed needs to be maintained, if yes, marking the device to be managed as the device to be maintained, including: when the first actual parameter value is always within the normal parameter range, the equipment to be managed does not need to be maintained; when the first actual parameter value exceeds the normal parameter range for multiple times; and/or; when the time exceeding the normal parameter range is longer than the second target time, marking the equipment to be managed as equipment to be maintained; when the first actual parameter value exceeds a first threshold value range, the equipment management library sends out a danger warning; wherein the first threshold range comprises a normal parameter range.
Compared with the prior art, the technical scheme has the following technical effects: the second target time and the judgment condition that the second target time exceeds the normal parameter range for multiple times enable the judgment of the equipment to be maintained to be more accurate, the influence caused by monitoring data fluctuation is avoided, the setting of the first threshold range enables the equipment management library to timely send out warning when the equipment to be managed is in an abnormal working state, and the use safety of the equipment is ensured.
In one embodiment of the present invention, after the maintenance mode is executed, performing preventive maintenance on a similar device to be maintained includes: calling the similar equipment in a working state in an equipment management library; narrowing the normal parameter range to obtain a prevention parameter range; monitoring the operation state parameters of the similar equipment to obtain a third actual parameter value; and comparing the third actual parameter value with the prevention parameter range, and judging whether preventive maintenance is carried out or not according to the comparison result.
Compared with the prior art, the technical scheme has the following technical effects: the number of the same type of equipment needing to be detected is reduced by calling the same type of equipment in the working state, and the requirement on the working state of the same type of equipment is improved by reducing the normal range parameter, so that the same fault of the same type of equipment is avoided, and the judgment range of preventive maintenance is improved.
In one embodiment of the present invention, comparing the third actual parameter value with the preventive parameter range, and determining whether preventive maintenance is performed according to the comparison result, includes: updating the extreme value of the third actual parameter value in real time in the preventive maintenance process; if the extreme value does not exceed the prevention parameter range, the similar equipment does not need preventive maintenance; if the extreme value exceeds the prevention parameter range and is still within the normal parameter range, the similar equipment is checked after the maintenance of the maintenance equipment is finished; and if the extreme value exceeds the normal parameter range, marking the similar equipment as the equipment to be maintained.
Compared with the prior art, the technical scheme has the following technical effects: by overhauling the similar equipment, when one of the similar equipment fails, other equipment can be rechecked, so that errors and omissions are avoided, the working requirement of the similar equipment in the rechecking process is improved by setting the prevention parameter range, and the similar equipment is effectively prevented from failing.
In one embodiment of the present invention, determining a maintenance mode of the device to be maintained according to the first actual parameter value, and a maintenance cycle in the maintenance mode includes: acquiring historical state parameters of equipment to be maintained in different maintenance modes from an equipment management library to obtain a plurality of fault parameter values; comparing the first actual parameter value with a plurality of fault parameter values one by one, and determining a maintenance mode of the equipment to be maintained; determining the maintenance period of the equipment to be maintained according to the maintenance mode; wherein, the maintenance mode includes: and field maintenance, disassembly maintenance and equipment replacement.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the setting of trouble parameter value through the concrete position that the judgement that first actual parameter value can be quick takes place the trouble, confirms reasonable maintenance mode to calculate accurate maintenance cycle, timely carry out reasonable planning to other equipment in maintenance cycle, ensure the progress of work.
In an embodiment of the present invention, obtaining historical status parameters of a device to be maintained in different maintenance modes from a device management library to obtain a plurality of fault parameter values includes: when the use times of the equipment to be maintained in the maintenance mode are less than or equal to the target times, calculating a fault parameter value in the current maintenance mode by combining the historical state parameters of each time; and when the using times of the equipment to be maintained in the maintenance mode are greater than the target times, obtaining the historical state parameters of the latest target times according to time sequence, and calculating the fault parameter values in the current maintenance mode.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: by calling the fault parameter value of the equipment before maintenance, the maintenance mode of the equipment to be maintained is quickly obtained, the target times are set, the calculation of the fault parameter value is more accurate, the reference data is selected from near to far in time, and the influence caused by ageing of the equipment can be reasonably reduced.
In one embodiment of the present invention, determining a maintenance cycle of a device to be maintained according to a maintenance mode includes: when the maintenance mode is field maintenance, acquiring the positioning of a maintenance worker, calculating the time of the maintenance worker reaching the equipment to be maintained, and determining a maintenance period by combining historical field maintenance time; when the maintenance mode is disassembly and maintenance, determining a maintenance period by combining historical disassembly and maintenance time; and when the maintenance mode is to replace the equipment, judging whether the corresponding equipment to be replaced exists in the equipment management library, if so, determining the maintenance period by combining the historical time for replacing the equipment, and if not, reminding that no equipment which can be replaced exists in the equipment management library.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: different maintenance periods are calculated through different maintenance modes, the calculation of the maintenance periods is more accurate, meanwhile, storage equipment in an equipment management library is detected, whether equipment capable of being replaced exists or not is informed in time, and the working efficiency of replacing the equipment is improved.
In an embodiment of the present invention, after determining a maintenance period of the device to be maintained according to the maintenance mode, the method further includes: acquiring the criticality of the equipment to be maintained, and acquiring the longest maintenance time allowed by the equipment to be maintained according to the criticality; if the maintenance period is shorter than the longest maintenance time, feeding back normal maintenance information to the equipment management library; and if the maintenance period is more than or equal to the longest maintenance time, feeding back emergency information to the equipment management library.
Compared with the prior art, the technical scheme has the following technical effects: various equipment is divided according to the criticality, the longest maintenance time and the longest maintenance period are combined, the construction period of a project cannot be delayed in the maintenance process of the equipment to be maintained, and when the normal maintenance mode cannot ensure that the maintenance is completed smoothly within the time limit, the equipment management library can timely send out an emergency warning, so that the maintenance of the equipment is further prevented from being out of date.
In one embodiment of the present invention, after the maintenance work is finished, the method for feeding back the maintenance information to the equipment management library comprises: when the equipment to be maintained can be normally used after field maintenance and/or disassembly maintenance, recording the maintenance process into an equipment management library; when the equipment to be maintained is maintained on site; and/or; when the equipment cannot be normally used after being disassembled and maintained, the equipment to be maintained is removed from the equipment management library; and after the equipment to be maintained passes through the equipment replacement, removing the equipment to be maintained from the equipment management library, and recording the replaced equipment into the equipment management library.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: when different maintenance modes are carried out, information in the equipment management library is updated timely, all working equipment is ensured to be located in the equipment management library, scrapped equipment is also moved out of the mobile management library, meanwhile, the equipment management library can obtain the latest information when fault analysis early warning is carried out, and the accuracy of early warning analysis is improved.
In an embodiment of the present invention, a readable storage medium is further provided, on which a program or instructions are stored, which when executed by a processor implement the steps of the above management method.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a flow chart of a management method according to the present invention;
FIG. 2 is a second flowchart of the management method of the present invention;
FIG. 3 is a third flowchart of the management method of the present invention;
FIG. 4 is a fourth flowchart of the management method of the present invention;
FIG. 5 is a fifth flowchart of the management method of the present invention;
FIG. 6 is a sixth flowchart of the management method of the present invention;
FIG. 7 is a seventh flowchart of the management method of the present invention;
FIG. 8 is an eighth flowchart of the management method of the present invention;
FIG. 9 is a ninth flowchart of the management method of the present invention;
FIG. 10 is a system diagram of a mining management device of the present invention;
description of reference numerals:
100-mine management equipment; 120-a processor; 130-memory.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
[ first embodiment ] A method for manufacturing a semiconductor device
Referring to fig. 1 to 9, in a specific embodiment, an internet of things-based management method for mining equipment is provided, and the management method includes:
s100, establishing an equipment management library, acquiring the equipment state of the equipment to be managed from the equipment management library, and judging whether the equipment to be managed is in a working state;
s200, if so, monitoring the running state parameters of the equipment to be managed in real time to obtain a first actual parameter value, and calling the running state parameters of the equipment to be managed when the equipment to be managed works normally from an equipment management library to obtain a normal parameter range; if not, marking the equipment to be managed as the equipment for stopping detection;
s300, performing fault early warning analysis by comparing the first actual parameter value with a normal parameter range, judging whether the equipment to be managed needs to be maintained, and if so, marking the equipment to be managed as the equipment to be maintained;
s400, determining a maintenance mode of the equipment to be maintained and a maintenance period in the maintenance mode according to the first actual parameter value;
s500, carrying out error judgment prevention detection before maintenance work begins, and judging whether the maintenance work is executed or not;
s600, if the method is executed, controlling the running state of equipment to be managed related to the equipment to be maintained in the maintenance period;
s700, performing preventive maintenance on the similar equipment of the equipment to be maintained after the maintenance mode is executed;
s800, feeding back maintenance information to an equipment management library after maintenance work is finished;
wherein, carry out the detection of preventing misjudgement before maintenance work begins, include:
and S510, monitoring the running state parameters is kept, a second actual parameter value is obtained, when the second actual parameter value enters a normal parameter range for a first target time, the equipment to be maintained is judged not to need maintenance, the normal parameter range is adjusted according to the second actual parameter value, and an adjustment result is stored in an equipment management library.
Further, in step S100, the equipment to be detected in the construction site is added to the equipment management library, and the equipment status is obtained for the equipment in the library within a certain period of time, where the equipment status includes: the working state, the shutdown state and the like, each device is independently detected, the time interval between two detections of each device is different, and the device can be adjusted according to different working strengths and working times so as to adapt to the working requirements of different devices.
Further, in step S200, when it is detected that the device to be managed is in the working state, in order to ensure the working quality of the device to be managed, the operation parameters of the device to be managed are detected in real time, and the detected operation parameters are adjusted according to different devices, for example, when the detected device is a hydraulic draw bar of a coal mining machine, the operation parameters include: the internal pressure of the hydraulic cavity and the pretightening force of the hydraulic pull rod are controlled; when the detected equipment is a cutting motor, the operation state parameters comprise: cutting motor current, cutting motor temperature, etc. And detecting and updating the running state parameters in real time, and calling the normal running ranges of the running state parameters from the equipment management library.
If the equipment to be managed is not in the working state, detection is not needed at the moment, the equipment is marked as stop-detection equipment, and real-time detection is carried out when the equipment is restarted.
It should be noted that step S100 is configured to acquire the operating statuses of all the devices to be managed, automatically update the acquired information at intervals, perform real-time detection only when the device to be managed is in the operating status after the acquisition, and add the device to be managed to the device management library again by the staff when one device to be managed is switched from the shutdown status or the shutdown status to the operating status.
Further, in step S300, the normal parameter range is obtained after the device management library is trained, and real-time data can be continuously collected during the operation process, so as to adjust the accuracy of the normal range parameter, and if the currently detected device to be maintained does not need to be maintained, other devices to be maintained are continuously detected.
S300 specifically comprises the following steps:
s310, when the first actual parameter value is always within the normal parameter range, the equipment to be managed does not need to be maintained;
s320, when the first actual parameter value exceeds the normal parameter range for multiple times; and/or; when the time exceeding the normal parameter range is longer than the second target time, marking the equipment to be managed as equipment to be maintained;
s330, when the first actual parameter value exceeds a first threshold range, the equipment management library sends out a danger warning;
wherein the first threshold range comprises a normal parameter range.
Further, in step S310, a normal range parameter and a second target time corresponding to the device to be managed are obtained in the device management library, and the first actual parameter value is compared with the normal range parameter, for example, the device to be managed is a coal mining machine, one of the operation parameters is a working voltage, the normal range parameter of the working voltage is 3100V to 3500V, the detection frequency of the first actual parameter value is 0.05 second, and the maximum value and the minimum value of the detection process are 3400V and 3200V, respectively, at this time, the device to be managed does not need to be detected.
Further, in step S320, the second target time is 1 minute, and when the duration of the working voltage higher than 3500V or lower than 3100V exceeds 1 minute, and/or the number of times that the working voltage exceeds 3500V or the working voltage is lower than 3100V exceeds once, the shearer is marked as the equipment to be repaired.
Further, in step S330, the first threshold range is the maximum range within which the device to be managed normally works, and when the first actual parameter value exceeds the first threshold range, it indicates that the device to be managed is in an abnormal working state, and at this time, the device management library issues a danger warning to remind a worker to handle as soon as possible, so as to avoid an accident. For example, the first threshold range of the working voltage of the coal mining machine is 2900V to 3700V, and the equipment management library issues a danger warning when the first actual parameter value is lower than 2900V or higher than 3700V.
The second target time and the judgment condition that the second target time exceeds the normal parameter range for multiple times enable the judgment of the equipment to be maintained to be more accurate, the influence caused by monitoring data fluctuation is avoided, the setting of the first threshold range enables the equipment management library to timely send out warning when the equipment to be managed is in an abnormal working state, and the use safety of the equipment is ensured.
Further, step S400 includes:
s410, acquiring historical state parameters of equipment to be maintained in different maintenance modes from an equipment management library to obtain a plurality of fault parameter values;
s420, comparing the first actual parameter value with a plurality of fault parameter values one by one, and determining a maintenance mode of the equipment to be maintained;
s430, determining the maintenance period of the equipment to be maintained according to the maintenance mode;
wherein, the maintenance mode includes: and (5) maintaining, disassembling, maintaining and replacing equipment on site.
Further, in step S410, during the training process of the device management library, performing fault analysis on each device in the library, simulating parameter value changes occurring after part of the components are damaged, obtaining operating state parameters after the different components are damaged, recording the operating state parameters as fault parameter values, recording maintenance modes performed when the fault parameter values occur, and finally recording pairs of the fault parameter values and corresponding maintenance modes in the device management library, for example, the device to be maintained is a cutting motor of a coal mining machine, the detected working current is lower than a normal range parameter and is marked as the device to be maintained, the device management library has risk scanning of N-1 of the cutting motor, each component in the cutting motor performs simulated fault analysis, and records power loss after the component is failed.
Further, step S410 specifically includes:
s411, when the using times of the equipment to be maintained in the maintenance mode are less than or equal to the target times, calculating a fault parameter value in the current maintenance mode by combining the historical state parameters of each time;
and when the using times of the equipment to be maintained in the maintenance mode are greater than the target times, obtaining the historical state parameters of the latest target times according to time sequence, and calculating the fault parameter values in the current maintenance mode.
Further, in step S411, the target number of times is usually three, and as the service life is prolonged, a large amount of maintenance information is stored in the equipment management library, when the maintenance work performed by the equipment to be maintained by using the maintenance method is less than three times, a maintenance record of each previous maintenance performed by using the maintenance method is called, a first actual parameter value when a similar condition occurs before the equipment to be maintained is obtained from the maintenance record, and a plurality of previous first actual parameter values are added to calculate an average value, so as to obtain a failure parameter value in the maintenance method.
And when the maintenance frequency is more than three times, analyzing and calculating the data of the last three times to obtain a fault parameter value in the maintenance mode, wherein if the time difference between the quoted data is overlarge, the influence caused by the self aging of the equipment is larger, and in order to avoid the condition, only the latest target frequency is selected for calculation.
It should be noted that each maintenance mode has a fault parameter value, the initial fault parameter value is recorded in the device management library, and then each time a device maintenance occurs, a new fault parameter value is recorded in the maintenance mode corresponding to the device, which is convenient for the subsequent call calculation.
Through calling the fault parameter value before the equipment is maintained, the maintenance mode for the equipment to be maintained is quickly obtained, the target times are set, the calculation of the fault parameter value is more accurate, the reference data is selected from near to far in time, and the influence caused by equipment aging can be reasonably reduced.
Further, in step S420, a first actual parameter value obtained by the current detection of the device to be maintained is compared with a fault parameter value corresponding to each maintenance method recorded in the device management library, and which maintenance method is selected is determined according to the difference between the first actual parameter value and the fault parameter value.
For example, according to the power loss recorded in the equipment management library and by combining the first actual parameter value, the part with the fault of the cutting motor can be rapidly judged according to the specific damaged part type.
Further, in step S430, a maintenance cycle for maintaining the part, i.e., a time required for maintaining the part, may be calculated based on past maintenance experience and records.
The setting of trouble parameter value through the concrete position that the judgement that first actual parameter value can be quick takes place the trouble, confirms reasonable maintenance mode to calculate accurate maintenance cycle, timely carry out reasonable planning to other equipment in maintenance cycle, ensure the progress of work.
Further, in step S510, after the device to be managed is determined to be maintained, in the process that the maintenance staff arrives at the site, the detection of the device to be maintained is maintained, so as to obtain a second actual parameter value, before the maintenance staff arrives, the second actual parameter is restored to the normal parameter range and can be maintained, the mark of the device to be maintained is cancelled, so that the maintenance staff does not need to go to the site, especially when the maintenance staff is few and the device to be maintained is many, the detection for preventing misjudgment can greatly improve the maintenance efficiency of the maintenance staff, so as to avoid that the device does not need to be maintained after arriving at the device to be maintained, after the misjudgment detection occurs, the first actual parameter value in which the misjudgment detection occurs is stored, and meanwhile, the extreme value of the first actual parameter value is used as a judgment basis, so as to re-determine the normal parameter range.
For example, the normal parameter range of the operating voltage of the coal mining machine in the equipment management library is 3100V to 3500V, in the process of step S320, the operating voltage of the coal mining machine drops to 3050V many times, at this time, the coal mining machine is marked as equipment to be maintained, but before the maintenance starts, the operating voltage of the coal mining machine is restored to 3300V and is kept at 3300V for the first target time, which indicates that the previous operating voltage of 3050V is not caused by the fault of the components of the coal mining machine itself, but is influenced by the external environment, so that the marking of the equipment to be maintained on the coal mining machine is cancelled, and then the normal parameter range is adjusted to 3075V to 3500V.
The adjustment formula is as follows:
V max =（A max -B max ）/2；
V min =（A min -B min ）/2。
wherein, V max Is the maximum value, V, corrected for the normal parameter range min Is the modified minimum value of the normal parameter range, A max Is the maximum value of the first actual parameter, A min Is the minimum value of the first actual parameter, B max At the maximum value of the normal parameter range, B min The minimum value of the normal parameter range.
The second actual parameter value is obtained, the equipment to be maintained is still in a detection state before maintenance is started, misjudgment can be corrected according to the change of the second actual parameter value, the time of maintenance personnel is saved, and meanwhile, misjudgment data and a judgment range can be combined after misjudgment is carried out, so that the normal parameter range is further improved, and the misjudgment situation is reduced.
Further, in step S600, after the maintenance period is determined, it is determined whether the device to be managed related to the device to be maintained needs to change the operation state after the device to be maintained stops working, so as to save energy consumption, where the operation state includes the operation frequency and the operation state of the device to be managed. If the relevant equipment is relatively high in association with the equipment to be maintained, the relevant equipment is controlled to reduce the working frequency, for example, the equipment to be maintained is a cutting device of a coal mining machine, the relevant equipment to be managed is a conveyor belt for conveying a coal mine, the coal mining machine cannot break coal in the maintenance process of the cutting device, and a new coal mine cannot fall on the conveyor belt for conveying the coal mine at the moment, so that the conveyor belt is controlled to stop working or the conveying speed of the conveyor belt is reduced, the power is reduced, and the energy is saved.
Further, in step S700, after the device to be maintained is maintained, the same device of the device needs to be maintained, so as to avoid the same fault of the same device. Step S700 specifically includes:
s710, calling the similar equipment in a working state in an equipment management library;
s720, narrowing the normal parameter range to obtain a prevention parameter range, and monitoring the operation state parameters of the similar equipment to obtain a third actual parameter value;
s730, comparing the third actual parameter value with the prevention parameter range, and judging whether preventive maintenance is carried out or not according to the comparison result;
further, in step S710, the similar devices are the devices recorded in the device management library, which are in the working state and are the same as or similar to the devices to be maintained.
Further, in step S730, after the equipment to be maintained starts to be maintained, the operation state parameters of the similar equipment are detected, the detection mode is the same as that in step S200, after the third actual parameter value is obtained, the normal parameter range the same as that of the equipment to be maintained is selected as the basis, and then the range is reduced on the basis of the normal parameter range, so as to obtain the prevention parameter range, it needs to be noted that when the normal range parameter is reduced, both end values of the normal range parameter need to be reduced, preferably, the reduction range is larger on the side of the equipment to be maintained beyond the normal range parameter.
For example, the equipment to be maintained is a gear box of a coal mining machine, the running state parameter is the temperature of the gear box, and the normal parameter range is a ℃ to 1.5a ℃; the method comprises the steps that a plurality of coal mining machines are arranged in a mine field, when the gear box of one coal mining machine is maintained, the temperature of the gear boxes of other coal mining machines is detected, the range of prevention parameters is reduced to 1.1 a-1.4 a ℃, preferably, when the temperature of the gear box of equipment to be maintained is larger than 1.5a ℃, the range of the prevention parameters can be reduced to 1.1 a-1.3 a ℃, when the temperature of the gear box of the equipment to be maintained is smaller than a ℃, the range of the prevention parameters is reduced to 1.05 a-1.4 a ℃, the extreme value of the range of the prevention parameters is adjusted, and one side of a first actual parameter value exceeding a normal parameter range is subjected to stricter control to check whether the same equipment has the same fault.
The number of the same type of equipment needing to be detected is reduced by calling the same type of equipment in the working state, and the requirement on the working state of the same type of equipment is improved by reducing the normal range parameter, so that the same fault of the same type of equipment is avoided, and the judgment range of preventive maintenance is improved.
Step S730 specifically includes:
s731, updating an extreme value of a third actual parameter value in real time in the preventive maintenance process;
s732, if the extreme value does not exceed the prevention parameter range, the similar equipment does not need preventive maintenance;
s733, if the extreme value exceeds the prevention parameter range but still is within the normal parameter range, the similar equipment is checked after the maintenance of the maintenance equipment is finished;
and S734, if the extreme value exceeds the normal parameter range, marking the similar equipment as equipment to be maintained.
Further, in step S731, the third actual parameter value is detected in real time, but the data detected each time is not recorded, and each detected data is compared with the extreme value in the previous detection process, if the detected data is the extreme value, the data is replaced with the previous extreme value, and if the detected data is not the extreme value, the data is not processed.
Further, in step S733, taking the above-mentioned gearbox temperature as an example, if the detected gearbox temperature is 1.05a ℃, it indicates that the gearbox in the similar equipment is still in a normal working state, but there is a risk of failure, but the priority of maintenance is not high, so after the equipment to be maintained is completely maintained, the similar equipment is maintained.
Further, in step S734, if the detected temperature of the gearbox is 0.95a ℃, it indicates that the gearbox is in an abnormal working state and needs to be repaired in time, so that it is marked as a device to be repaired and repaired as soon as possible.
By overhauling the similar equipment, when one of the similar equipment fails, the other equipment can be rechecked, the occurrence of error and leakage is avoided, the setting of the parameter prevention range improves the working requirement of the similar equipment in the rechecking process, and the similar equipment is effectively prevented from failing.
The setting up of equipment management storehouse lets all equipment in the mine can have the management and control of carrying on of planning, whether the setting up of first actual parameter value and normal parameter scope lets the judgement that treats whether management equipment needs the maintenance more accurate, the selection of maintenance mode lets the expansion maintenance work that maintenance personal can be quick, maintenance efficiency has been increased, maintenance cycle's calculation lets other equipment in mine can carry out reasonable work allotment according to maintenance cycle, guarantee the normal clear of mine work, the setting of preventing erroneous judgement has reduced the influence that the motion state parameter fluctuation brought, the rate of accuracy of failure determination has been promoted.
[ second embodiment ]
In a specific embodiment, determining a maintenance period of the device to be maintained according to the maintenance mode includes:
s431, when the maintenance mode is field maintenance, acquiring the positioning of a maintenance worker, calculating the time of the maintenance worker reaching the equipment to be maintained, and determining a maintenance period by combining the historical field maintenance time;
s432, when the maintenance mode is disassembly maintenance, determining a maintenance period by combining historical disassembly maintenance time;
and S433, when the maintenance mode is to replace the equipment, judging whether the corresponding equipment to be replaced exists in the equipment management library, if so, determining a maintenance period by combining historical equipment replacing time, and if not, reminding that no equipment which can be replaced exists in the equipment management library.
Further, in step S431, positioning devices are disposed in the protective clothing of the worker, and the positioning devices are in signal connection with the equipment management library, and when the equipment to be maintained needs to go to the site for maintenance, the positions of the maintenance personnel are acquired, and a maintenance notification is sent to the nearest maintenance personnel, and when the nearest maintenance personnel is in maintenance operation, the notification is sent in sequence from near to far, and meanwhile, the maintenance period is determined according to the time consumed by the on-site maintenance of the failed equipment or part.
Further, in step S433, when the equipment has a serious failure and cannot be repaired in a short time, or the current situation does not allow the equipment to be stopped for a long time, a maintenance mode of replacing the equipment needs to be adopted, after the equipment management library judges that the equipment needs to be replaced, whether the equipment is in a non-working state or not is searched in the library, if so, a specific position of the equipment is provided, and if not, the worker is reminded that the equipment does not have the replaceable equipment, and the worker timely performs equipment scheduling or a maintenance mode replacement according to the current operation situation.
Different maintenance periods are calculated through different maintenance modes, the calculation of the maintenance periods is more accurate, meanwhile, storage equipment in an equipment management library is detected, whether equipment capable of being replaced exists or not is informed in time, and the working efficiency of replacing the equipment is improved.
[ third embodiment ]
In a specific embodiment, after determining a maintenance period of the device to be maintained according to the maintenance mode, the method further includes:
s440, acquiring the criticality of the equipment to be maintained, and acquiring the longest maintenance time allowed by the equipment to be maintained according to the criticality;
s450, if the maintenance period is shorter than the longest maintenance time, feeding back normal maintenance information to the equipment management library;
and if the maintenance period is more than or equal to the longest maintenance time, feeding back emergency information to the equipment management library.
Further, in step S440, the criticality refers to the importance of the equipment to be repaired in the whole working system of the mine, and the index is predetermined by the service personnel, and the allowed repair cycle of the same kind of equipment with different criticalities is different, it can be understood that the more important equipment, the shorter the allowed repair cycle is.
The current operation frequency of the equipment to be maintained can be divided into a high level and a low level; different operation frequencies lead to different maintenance methods of equipment to be maintained, thereby leading to different maintenance periods; similarly, the maintenance periods allowed by the same equipment with different operation frequencies are also different, and it can be understood that the higher the operation frequency is, the shorter the maintenance period allowed by the equipment is, and the current operation environment of the equipment to be maintained can include a severe environment and a general environment; different operating environments also result in different methods of maintenance of the equipment to be repaired, resulting in different maintenance periods.
And after the criticality is obtained, calculating the maximum time for the equipment to be maintained to stop working according to the construction period progress of the whole mine field work, and comparing the maximum maintenance time with the maintenance period.
Further, in step S450, if the maintenance cycle is less than the longest maintenance time, the maintenance personnel performs normal maintenance on the equipment to be maintained, and records the relevant data during maintenance into the equipment management library after the maintenance is completed, for example: and (7) maintenance time.
If the maintenance period is more than or equal to the longest maintenance time, which indicates that the maintenance can cause the delay of the normal work of the mine, the equipment management library sends an emergency warning at the moment, the maintenance of the equipment needs to be processed as soon as possible, and the construction period is prevented from being influenced.
It should be noted that, when a plurality of devices need to be maintained at the same time, the maintenance is performed in sequence according to the criticality.
Various types of equipment are divided according to criticality, the longest maintenance time and the longest maintenance period are combined, the construction period of a project cannot be delayed in the maintenance process of the equipment to be maintained, and when the normal maintenance mode cannot ensure that the equipment is successfully maintained within the time limit, an emergency warning can be timely sent out by the equipment management library, so that the maintenance of the equipment is further prevented from being out of time.
[ fourth example ] A
In a specific embodiment, after the maintenance work is finished, the method for feeding back the maintenance information to the equipment management library comprises the following steps:
s810, when the equipment to be maintained can be normally used after field maintenance and/or disassembly maintenance, recording the maintenance process into an equipment management library;
s820, when the equipment to be maintained is maintained on site; and/or; when the equipment cannot be normally used after being disassembled and maintained, the equipment to be maintained is removed from the equipment management library;
and S830, after the equipment to be maintained passes through the equipment replacement, removing the equipment to be maintained from the equipment management library, and recording the replaced equipment into the equipment management library.
Further, in step S820, when the equipment still cannot work normally after field maintenance and dismantling maintenance, it indicates that the equipment is in a damaged state, and at this time, the equipment is removed from the equipment management library and scrapped.
Further, in step S830, when the replaced device is a device that does not operate in the device management library, the stop-check flag of the device is canceled, and when the replaced device is a device that is newly added from the outside, the device is added to the device management library.
If the equipment is not replaced under the emergency condition, the equipment is directly scrapped, if the equipment is replaced due to insufficient maintenance time, the replaced equipment is disassembled and maintained, the equipment can be normally used after maintenance, the equipment is marked as the equipment for stopping maintenance and placed in the storage warehouse, and if the equipment cannot be normally used after maintenance, the equipment is scrapped and moved out of the equipment management warehouse.
When different maintenance modes are carried out, information in the equipment management library is updated timely, all working equipment is ensured to be located in the equipment management library, scrapped equipment is also moved out of the mobile management library, meanwhile, the equipment management library can obtain the latest information when fault analysis early warning is carried out, and the accuracy of early warning analysis is improved.
[ fifth embodiment ]
Referring to fig. 10, in a particular embodiment, there is also provided a mining management device 100, the mining management device 100 comprising: a processor 120, a memory 130 and a program or instructions stored on the memory 130 and executable on the processor 120, the program or instructions implementing the steps of the management method described above when executed by the processor 120.
[ sixth embodiment ]
In a specific embodiment, a readable storage medium is also provided, on which a program or instructions are stored, which when executed by the processor 120, implement the steps of the above-mentioned management method.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected by one skilled in the art without departing from the spirit and scope of the invention, as defined in the appended claims.
Claims (9)
1. A management method for mining equipment based on the Internet of things is characterized by comprising the following steps:
establishing an equipment management library, acquiring the equipment state of equipment to be managed from the equipment management library, and judging whether the equipment to be managed is in a working state;
if so, monitoring the running state parameters of the equipment to be managed in real time to obtain a first actual parameter value, and calling the running state parameters of the equipment to be managed when the equipment to be managed works normally from the equipment management library to obtain a normal parameter range; if not, marking the equipment to be managed as the equipment for stopping detection;
performing fault early warning analysis by comparing the first actual parameter value with the normal parameter range, judging whether the equipment to be managed needs to be maintained, and if so, marking the equipment to be managed as the equipment to be maintained;
determining a maintenance mode of the equipment to be maintained and a maintenance period under the maintenance mode according to the first actual parameter value;
carrying out error-proof detection before the maintenance work begins, and judging whether the maintenance work is executed or not;
if the maintenance is carried out, controlling the running state of the equipment to be managed related to the equipment to be maintained in the maintenance period;
after the maintenance mode is executed, performing preventive maintenance on the similar equipment of the equipment to be maintained;
after the maintenance work is finished, feeding the maintenance information back to the equipment management library;
wherein, the detection of preventing erroneous judgement includes before maintenance work begins:
keeping monitoring on the running state parameters to obtain a second actual parameter value, judging that the equipment to be maintained does not need to be maintained after the second actual parameter value enters the normal parameter range for a first target time, adjusting the normal parameter range according to the second actual parameter value, and storing an adjustment result to the equipment management library;
wherein, the determining the maintenance mode of the equipment to be maintained according to the first actual parameter value and the maintenance cycle under the maintenance mode comprises:
acquiring historical state parameters of the equipment to be maintained in different maintenance modes from the equipment management library to obtain a plurality of fault parameter values, performing fault analysis on each piece of equipment in the equipment management library in the training process of the equipment management library, and simulating parameter value changes after parts are damaged to obtain the fault parameter values;
comparing the first actual parameter value with the plurality of fault parameter values one by one, and determining the maintenance mode of the equipment to be maintained;
determining a maintenance period of the equipment to be maintained according to the maintenance mode, wherein the maintenance period refers to time consumed by maintenance;
wherein, the maintenance mode includes: on-site maintenance, disassembly maintenance and replacement of equipment;
after the maintenance mode is executed, performing preventive maintenance on the similar equipment of the equipment to be maintained, including:
calling the same kind of equipment in a working state in the equipment management library;
narrowing the normal parameter range to obtain a prevention parameter range, and monitoring the operation state parameters of the similar equipment to obtain a third actual parameter value;
and comparing the third actual parameter value with the preventive parameter range, and judging whether to carry out preventive maintenance or not according to a comparison result.
2. The management method according to claim 1, wherein the step of performing fault early warning analysis by comparing the first actual parameter value with the normal parameter range to determine whether the device to be managed needs to be maintained, and if yes, marking the device to be managed as a device to be maintained comprises:
when the first actual parameter value is always within the normal parameter range, the equipment to be managed does not need to be maintained;
when the first actual parameter value exceeds the normal parameter range for multiple times; and/or; when the time exceeding the normal parameter range is longer than a second target time, marking the equipment to be managed as equipment to be maintained;
when the first actual parameter value exceeds a first threshold range, the equipment management library sends out a danger warning;
wherein the first threshold range comprises the normal parameter range.
3. The management method according to claim 2, wherein the preventive maintenance of the same kind of equipment as the equipment to be maintained after the maintenance mode is performed comprises:
calling the same kind of equipment in the working state in the equipment management library;
narrowing the normal parameter range to obtain a prevention parameter range;
monitoring the running state parameters of the similar equipment to obtain a third actual parameter value;
and comparing the third actual parameter value with the preventive parameter range, and judging whether preventive maintenance is carried out or not according to a comparison result.
4. The method for managing according to claim 3, wherein the comparing the third actual parameter value with the preventive parameter range, and determining whether preventive maintenance is performed according to the comparison result comprises:
updating the extreme value of the third actual parameter value in real time in the process of preventive maintenance;
if the extreme value does not exceed the prevention parameter range, the similar equipment does not need preventive maintenance;
if the extreme value exceeds the prevention parameter range but is still within the normal parameter range, after the maintenance of the equipment to be maintained is finished, the similar equipment is checked;
and if the extreme value exceeds the normal parameter range, marking the similar equipment as equipment to be maintained.
5. The management method according to claim 1, wherein the obtaining of the historical state parameters of the device to be repaired in different repair modes from the device management library to obtain a plurality of fault parameter values comprises:
when the use times of the equipment to be maintained by the maintenance mode are less than or equal to the target times, calculating a fault parameter value under the current maintenance mode by combining the historical state parameters every time;
and when the use times of the equipment to be maintained in the maintenance mode are greater than the target times, the historical state parameters of the latest target times are taken according to time sequence, and the fault parameter values in the current maintenance mode are calculated.
6. The management method according to claim 1, wherein the determining a maintenance cycle of the device to be maintained according to the maintenance mode includes:
when the maintenance mode is field maintenance, acquiring the positioning of a maintenance worker, calculating the time of the maintenance worker reaching the equipment to be maintained, and determining the maintenance period by combining the historical time of field maintenance;
when the maintenance mode is disassembly and maintenance, determining a maintenance period by combining historical disassembly and maintenance time;
and when the maintenance mode is to replace equipment, judging whether corresponding replacement equipment exists in the equipment management library, if so, determining a maintenance period by combining historical equipment replacement time, and if not, reminding that no equipment which can be replaced exists in the equipment management library.
7. The management method according to claim 6, wherein after determining the maintenance period of the device to be maintained according to the maintenance mode, the method further comprises:
acquiring the criticality of the equipment to be maintained, and acquiring the longest maintenance time allowed by the equipment to be maintained according to the criticality;
if the maintenance period is shorter than the longest maintenance time, feeding back normal maintenance information to the equipment management library;
and if the maintenance period is more than or equal to the longest maintenance time, feeding back emergency information to the equipment management library.
8. The management method according to claim 1, wherein the feeding back the maintenance information to the equipment management library after the maintenance work is finished comprises:
when the equipment to be maintained passes through the field maintenance; and/or; when the device can be normally used after being disassembled and maintained, the maintenance process is recorded into the device management library;
when the equipment to be maintained cannot be normally used after field maintenance and/or disassembly maintenance, removing the equipment to be maintained from the equipment management library;
and after the equipment to be maintained passes through the equipment replacement, removing the equipment to be maintained from the equipment management library, and recording the replaced equipment into the equipment management library.
9. A readable storage medium, characterized in that it stores thereon a program or instructions which, when executed by a processor, implement the steps of the management method according to any one of claims 1 to 8.
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