CN107038847A - A kind of Underwell stepped alarm method, equipment and system - Google Patents
A kind of Underwell stepped alarm method, equipment and system Download PDFInfo
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- CN107038847A CN107038847A CN201710339065.2A CN201710339065A CN107038847A CN 107038847 A CN107038847 A CN 107038847A CN 201710339065 A CN201710339065 A CN 201710339065A CN 107038847 A CN107038847 A CN 107038847A
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- 238000000034 method Methods 0.000 title claims abstract description 71
- 238000012544 monitoring process Methods 0.000 claims abstract description 50
- 238000011897 real-time detection Methods 0.000 claims abstract description 9
- 230000000007 visual effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 16
- 238000004880 explosion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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Abstract
This application discloses a kind of Underwell stepped alarm method, equipment and system, including：The downhole sensor for being previously provided with Multi-stage alarming parameter is monitored in real time；Wherein, downhole sensor is that can carry out the sensor of different stage alarm according to Multi-stage alarming parameter and itself different real-time detection value of combination；If monitoring downhole sensor is in alarm condition, it is determined that corresponding alert levels, target alert levels are obtained；According to target alert levels, default warning device is controlled to deploy the alarm of appropriate level.The above-mentioned Underwell stepped alarm method provided by the application, can send the alarm of different stage, be easy to processing in time to solve potential safety hazard, being prevented effectively from coal mine gas transfinites, reduce the generation of the Disaster Events such as coal mine gas from explosion, reach safe warning function.
Description
Technical Field
The invention relates to the technical field of monitoring, in particular to a method, equipment and a system for underground graded alarm.
Background
Coal plays a particularly important role in energy structures in China, and with the increasing demand for coal, the incidence rate of serious safety accidents in various coal mines is high, and great harm is caused to personnel and property. The coal mine safety monitoring system is an important guarantee for high yield, high efficiency and safe production of coal, and the alarming and early warning functions are important functions for effectively preventing coal mine safety accidents.
The coal mine safety monitoring system is a work with high technical content and difficulty, and mainly comprises upper computer software, various transmission interfaces, a monitoring acquisition substation and various sensors; the traditional monitoring system is simple in alarm mode and single in alarm type, and mainly adopts a sensor automatic alarm function or upper computer software to control an audible and visual alarm to complete, the sensor and the buzzer only have one mode, the alarm modes of different levels cannot be distinguished, meanwhile, various alarm information cannot be effectively transmitted to corresponding workers and leaders at all levels in time, and the traditional monitoring system is only realized by adopting sensor local alarm and ground audible and visual alarms.
Therefore, how to realize the alarm of different levels in the underground coal mine is a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the present invention provides a method, a device and a system for downhole graded alarm, which can send out alarms of different grades, facilitate timely handling and solving of potential safety hazards, and achieve a safety warning effect. The specific scheme is as follows:
a downhole staged warning method comprising:
monitoring an underground sensor preset with multi-stage alarm parameters in real time; the underground sensor is a sensor which can perform alarm at different levels according to the multi-level alarm parameters and by combining different real-time detection values of the underground sensor;
if the underground sensor is monitored to be in an alarm state, determining a corresponding alarm level to obtain a target alarm level;
and controlling a preset alarm device to carry out alarm of a corresponding level according to the target alarm level.
Preferably, in the downhole hierarchical alarm method provided in an embodiment of the present invention, the process of monitoring the downhole sensor preset with multiple levels of alarm parameters in real time includes:
real-time monitoring is carried out on an underground sensor which is provided with multi-level alarm parameters in advance in a remote parameter setting mode;
or,
monitoring an underground sensor which is provided with multi-level alarm parameters in advance in a local parameter setting mode in real time;
wherein each level of alarm parameters comprises a detection threshold value of a corresponding level.
Preferably, in the above downhole graded alarm method provided in the embodiment of the present invention, if the downhole sensor is monitored to be in an alarm state, the method further includes:
determining an alarm duration of the downhole sensor;
and if the alarm duration is greater than a preset duration threshold, upgrading the target alarm level.
Preferably, in the above downhole hierarchical alarm method provided by the embodiment of the present invention, the step of controlling a preset alarm device to deploy an alarm of a corresponding level according to the target alarm level includes:
and controlling an audible and visual alarm and/or a voice alarm which are preset in an aboveground dispatching room and/or an underground monitoring substation and/or an underground operation field to carry out alarm of corresponding levels according to the target alarm level.
Preferably, in the downhole graded alarm method provided by the embodiment of the present invention, the method further includes:
if the underground sensors located at different area positions currently are monitored to be in alarm states, judging whether alarm state information corresponding to the underground sensors accords with preset area alarm logic or not, if so, determining the underground area positions where the underground sensors are located currently to obtain a target area;
and controlling an alarm device positioned on the target area to start an alarm.
Preferably, in the downhole hierarchical alarm method provided by the embodiment of the present invention, after the process of determining the corresponding alarm level and obtaining the target alarm level, the method further includes:
and controlling a preset display area of the monitoring interface to display the warning color of the grade corresponding to the target warning grade.
Preferably, in the downhole hierarchical alarm method provided by the embodiment of the present invention, after the process of determining the corresponding alarm level and obtaining the target alarm level, the method further includes:
determining emergency workers corresponding to the target alarm level; wherein the alarm level and the level of the emergency worker are in positive correlation;
and sending a corresponding alarm short message to the personal terminal of the emergency worker.
Preferably, in the downhole graded alarm method provided by the embodiment of the present invention, the method further includes:
if any underground sensor is monitored to be in an alarm state, determining a corresponding dangerous area;
screening the positioning cards positioned in the dangerous area from all the positioning cards according to the positioning information of the positioning cards of all the current underground workers;
and sending an alarm starting control instruction to the screened positioning cards so as to control the corresponding positioning cards to generate alarm prompts.
The embodiment of the invention also provides underground grading alarm equipment, which comprises an upper computer positioned in the aboveground dispatching room and an underground monitoring substation; wherein the downhole staging alarm device comprises:
the sensor monitoring module is used for monitoring the underground sensor preset with multi-level alarm parameters in real time; the underground sensor is a sensor which can perform alarm at different levels according to the multi-level alarm parameters and by combining different real-time detection values of the underground sensor;
the alarm level determining module is used for determining a corresponding alarm level to obtain a target alarm level when the sensor monitoring module monitors that the underground sensor is in an alarm state;
the alarm control module is used for controlling a preset alarm device to carry out alarm of a corresponding level according to the target alarm level;
the sensor monitoring module and the alarm level determining module are positioned in the upper computer, and the alarm control module is positioned in the upper computer and/or the underground monitoring substation.
Preferably, in the above downhole graded alarm device provided in the embodiment of the present invention, the alarm control module located in the upper computer is specifically configured to control an audible and visual alarm and/or a voice alarm preset in the uphole dispatch room and/or the downhole operation site to perform alarm of a corresponding level according to the target alarm level;
and the alarm control module positioned in the underground monitoring substation is specifically used for controlling an audible and visual alarm and/or a voice alarm which are preset in the underground monitoring substation to carry out alarm of corresponding levels according to the target alarm level.
The embodiment of the invention also provides an underground grading alarm system which comprises the underground grading alarm device and the underground sensor provided by the embodiment of the invention.
The invention provides a method, a device and a system for underground graded alarm, which comprise the following steps: monitoring an underground sensor preset with multi-stage alarm parameters in real time; the underground sensor is a sensor which can perform alarm at different levels according to multi-level alarm parameters and by combining different real-time detection values of the underground sensor; if the underground sensor is monitored to be in an alarm state, determining a corresponding alarm level to obtain a target alarm level; and controlling a preset alarm device to carry out alarm of a corresponding level according to the target alarm level. According to the underground grading alarm method, alarms of different levels can be sent out, potential safety hazards can be conveniently and timely handled and solved, underground coal mine gas overrun is effectively avoided, occurrence of disaster events such as coal mine gas explosion is reduced, and the safety warning effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flow chart of a downhole staged alarm method provided by an embodiment of the invention;
FIG. 2 is a flow chart of a downhole alarm method according to an embodiment of the present invention;
FIG. 3 is a second flowchart of a downhole staged alarm method according to an embodiment of the present invention;
FIG. 4 is a third flowchart of a downhole staged alarm method according to an embodiment of the present invention;
FIG. 5 is a fourth flowchart illustrating a method for downhole alarm grading according to an embodiment of the present invention;
FIG. 6 is a diagram of a downhole staged warning device according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses an underground grading alarm method, which comprises the following steps as shown in figure 1:
s101, monitoring an underground sensor preset with multi-stage alarm parameters in real time; the underground sensor is a sensor which can perform alarm at different levels according to multi-level alarm parameters and by combining different real-time detection values of the underground sensor;
s102, if the underground sensor is monitored to be in an alarm state, determining a corresponding alarm level to obtain a target alarm level;
s103, controlling a preset alarm device to perform alarm of a corresponding level according to the target alarm level.
It should be noted that the downhole sensor can detect the conditions such as the concentration overrun range and overrun duration of downhole gas (methane, carbon monoxide, etc.) in real time; in addition, the alarms in different levels can be divided into four levels, namely, a first-level alarm, a second-level alarm, a third-level alarm and a fourth-level alarm, the higher the level is, the more urgent the situation is, of course, the alarms in different levels are not divided into four levels, but can be in other levels, and the alarms in different levels can be determined according to actual situations, and are not limited herein.
In the underground grading alarm method provided by the embodiment of the invention, firstly, an underground sensor with preset multistage alarm parameters is monitored in real time; then if the underground sensor is monitored to be in an alarm state, determining a corresponding alarm level to obtain a target alarm level; and finally, controlling a preset alarm device to perform alarm of a corresponding level according to the target alarm level, so that the sensor and the preset alarm device are controlled to give out alarms of different levels, thereby facilitating timely handling and solving potential safety hazards, effectively avoiding coal mine underground gas overrun, reducing occurrence of disaster events such as coal mine gas explosion and the like, and achieving the effect of safety warning.
The embodiment of the invention discloses a specific underground grading alarm method, and compared with the previous embodiment, the embodiment further explains and optimizes the technical scheme. Specifically, the method comprises the following steps:
in specific implementation, in the downhole graded alarm method provided in the embodiment of the present invention, the step S101 may specifically include the following two implementation manners in a process of performing real-time monitoring on a downhole sensor preset with a plurality of levels of alarm parameters:
in the first embodiment, the underground sensor which is preset with multi-level alarm parameters through a remote parameter setting mode is monitored in real time;
in a second embodiment, a downhole sensor which is preset with multi-level alarm parameters through a local parameter setting mode is monitored in real time;
wherein each level of alarm parameters comprises a detection threshold value of a corresponding level.
It should be noted that, in the first embodiment, specifically, parameters such as a hierarchical alarm value of the downhole sensor and an upgrade rule of the alarm duration may be remotely and arbitrarily set by using upper computer software of the uphole dispatch room; in a second embodiment, the downhole alarm itself may modify the hierarchical alarm parameters, upload them to the upper computer of the aboveground dispatch room for confirmation, and keep the upper and lower consistency.
In specific implementation, in the downhole graded alarm method provided in the embodiment of the present invention, if the downhole sensor is monitored to be in the alarm state in step S102, the method may further include the following steps:
firstly, determining the alarm duration of an underground sensor;
and then, if the alarm duration is greater than a preset duration threshold, upgrading the target alarm level.
It should be noted that the downhole sensor itself emits an audible and visual alarm (with a lower frequency), and the higher the target alarm level, the higher the alarm frequency.
In specific implementation, in the downhole graded alarm method provided in the embodiment of the present invention, the step S103 controls a preset alarm device to perform a corresponding level alarm process according to the target alarm level, and may include:
and controlling an audible and visual alarm and/or a voice alarm which are preset in an aboveground dispatching room and/or an underground monitoring substation and/or an underground operation field to carry out alarm of corresponding levels according to the target alarm level.
In specific implementation, in the downhole graded alarm method provided by the embodiment of the present invention, since a plurality of downhole sensors may be installed at different area positions, in order to effectively remind workers of timely handling or evacuation, as shown in fig. 2, the method may further include the following steps:
s201, if a plurality of underground sensors located at different area positions are monitored to be in an alarm state, judging whether alarm state information corresponding to the underground sensors accords with preset area alarm logic, if so, determining the underground area positions where the underground sensors are located currently to obtain a target area;
s202, controlling an alarm device positioned on the target area to start an alarm.
It should be noted that the preset area alarm logic may be determined according to specific actual conditions, for example, in a plurality of different areas, if at least 2 downhole sensors arranged at one area position are in an alarm state, the area satisfies the preset area alarm logic, that is, the area is a target area, and an area alarm needs to be performed to remind workers in the area to evacuate.
In specific implementation, in the downhole graded alarm method provided in the embodiment of the present invention, after the process of determining the corresponding alarm level in step S102 and obtaining the target alarm level, as shown in fig. 3, the method may further include the following steps:
s301, displaying the warning color of the grade corresponding to the target warning grade on a preset display area of the monitoring interface.
It should be noted that the warning color may be divided into three colors, i.e., red, yellow, and green, and the specific warning color may be determined according to the actual situation, which is not limited herein.
In addition, in specific implementation, in the above downhole graded alarm method provided in the embodiment of the present invention, after the process of determining the corresponding alarm level in step S102 and obtaining the target alarm level, in order to implement timely reporting and timely troubleshooting, as shown in fig. 4, the method may further include the following steps:
s401, determining emergency workers corresponding to the target alarm level; the alarm level and the level of the emergency worker are in positive correlation, namely the higher the alarm level is, the higher the level of the emergency worker is;
s402, sending a corresponding alarm short message to the personal terminal of the emergency worker.
In specific implementation, in the downhole graded alarm method provided in the embodiment of the present invention, in order to send an alarm prompt to downhole workers in a dangerous area in time, as shown in fig. 5, the method may further include the following steps:
s501, if any underground sensor is monitored to be in an alarm state, determining a corresponding dangerous area;
s502, screening out the positioning cards positioned in the dangerous area from all the positioning cards according to the positioning information of the positioning cards of all the current underground workers;
s503, sending an alarm starting control instruction to the screened positioning cards to control the corresponding positioning cards to generate alarm prompts.
It should be noted that, in step S501, any downhole sensor includes one downhole sensor or a plurality of downhole sensors; when monitoring that one underground sensor is in an alarm state, determining that the area where the underground sensor is located is a dangerous area; when the plurality of downhole sensors are monitored to be in the alarm state, the step S201 may be executed, that is, whether the alarm state information corresponding to the plurality of downhole sensors conforms to the preset area alarm logic or not is judged, and if so, the current downhole area positions where the plurality of downhole sensors are located are determined to obtain the target area, and at this time, the target area is a dangerous area.
Based on the same inventive concept, the embodiment of the invention also provides the underground grading alarm device, and as the problem solving principle of the underground grading alarm device is similar to that of the underground grading alarm method, the implementation of the device can refer to the implementation of the underground grading alarm method, and repeated parts are not described again.
In specific implementation, the underground grading alarm device provided by the embodiment of the invention comprises an upper computer positioned in an aboveground dispatching room and an underground monitoring substation; wherein, as shown in fig. 6, the downhole grading alarm device comprises:
the sensor monitoring module 1 is used for monitoring an underground sensor preset with multi-stage alarm parameters in real time; the underground sensor is a sensor which can perform alarm at different levels according to multi-level alarm parameters and by combining different real-time detection values of the underground sensor;
the alarm level determining module 2 is used for determining a corresponding alarm level when the sensor monitoring module monitors that the underground sensor is in an alarm state, so as to obtain a target alarm level;
the alarm control module 3 is used for controlling a preset alarm device to carry out alarm of a corresponding level according to the target alarm level;
the sensor monitoring module 1 and the alarm level determining module 2 are positioned in an upper computer, and the alarm control module 3 is positioned in the upper computer and/or an underground monitoring substation.
In specific implementation, in the underground hierarchical alarm device provided by the embodiment of the present invention, the alarm control module located on the upper computer is specifically configured to control an audible and visual alarm and/or a voice alarm, which are preset in an aboveground dispatching room and/or an underground operation site, to perform alarm of a corresponding level according to a target alarm level;
and the alarm control module is positioned in the underground monitoring substation and is specifically used for controlling an audible and visual alarm and/or a voice alarm which are preset in the underground monitoring substation to carry out alarm of corresponding levels according to the target alarm level.
Based on the same inventive concept, the embodiment of the invention also provides an underground grading alarm system, which comprises the underground grading alarm device and the underground sensor provided by the embodiment of the invention.
The embodiment of the invention provides a method, equipment and a system for underground graded alarm, which comprises the following steps: monitoring an underground sensor preset with multi-stage alarm parameters in real time; the underground sensor is a sensor which can perform alarm at different levels according to multi-level alarm parameters and by combining different real-time detection values of the underground sensor; if the underground sensor is monitored to be in an alarm state, determining a corresponding alarm level to obtain a target alarm level; and controlling a preset alarm device to carry out alarm of a corresponding level according to the target alarm level. According to the underground grading alarm method, alarms of different levels can be sent out, potential safety hazards can be conveniently and timely handled and solved, underground coal mine gas overrun is effectively avoided, occurrence of disaster events such as coal mine gas explosion is reduced, and the safety warning effect is achieved.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The method, the device and the system for downhole graded alarm provided by the invention are described in detail, the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (11)
1. A downhole grading alarm method is characterized by comprising the following steps:
monitoring an underground sensor preset with multi-stage alarm parameters in real time; the underground sensor is a sensor which can perform alarm at different levels according to the multi-level alarm parameters and by combining different real-time detection values of the underground sensor;
if the underground sensor is monitored to be in an alarm state, determining a corresponding alarm level to obtain a target alarm level;
and controlling a preset alarm device to carry out alarm of a corresponding level according to the target alarm level.
2. The downhole staged alarm method of claim 1, wherein the real-time monitoring of downhole sensors with pre-set multiple levels of alarm parameters comprises:
real-time monitoring is carried out on an underground sensor which is provided with multi-level alarm parameters in advance in a remote parameter setting mode;
or,
monitoring an underground sensor which is provided with multi-level alarm parameters in advance in a local parameter setting mode in real time;
wherein each level of alarm parameters comprises a detection threshold value of a corresponding level.
3. A downhole staged alarm method as defined in claim 2, further comprising, if the downhole sensor is monitored to be in an alarm state:
determining an alarm duration of the downhole sensor;
and if the alarm duration is greater than a preset duration threshold, upgrading the target alarm level.
4. The downhole staged alarm method of claim 1, wherein the step of controlling the preset alarm device to deploy the corresponding level of alarm according to the target alarm level comprises:
and controlling an audible and visual alarm and/or a voice alarm which are preset in an aboveground dispatching room and/or an underground monitoring substation and/or an underground operation field to carry out alarm of corresponding levels according to the target alarm level.
5. The downhole staged warning method of claim 1, further comprising:
if the underground sensors located at different area positions currently are monitored to be in alarm states, judging whether alarm state information corresponding to the underground sensors accords with preset area alarm logic or not, if so, determining the underground area positions where the underground sensors are located currently to obtain a target area;
and controlling an alarm device positioned on the target area to start an alarm.
6. A downhole staged alarm method according to any of claims 1 to 5, wherein the process of determining the respective alarm level and obtaining the target alarm level is followed by:
and controlling a preset display area of the monitoring interface to display the warning color of the grade corresponding to the target warning grade.
7. A downhole staged alarm method according to any of claims 1 to 5, wherein the process of determining the respective alarm level and obtaining the target alarm level is followed by:
determining emergency workers corresponding to the target alarm level; wherein the alarm level and the level of the emergency worker are in positive correlation;
and sending a corresponding alarm short message to the personal terminal of the emergency worker.
8. A downhole grading alarm method according to any of claims 1-5, further comprising:
if any underground sensor is monitored to be in an alarm state, determining a corresponding dangerous area;
screening the positioning cards positioned in the dangerous area from all the positioning cards according to the positioning information of the positioning cards of all the current underground workers;
and sending an alarm starting control instruction to the screened positioning cards so as to control the corresponding positioning cards to generate alarm prompts.
9. The underground grading alarm device is characterized by comprising an upper computer and an underground monitoring substation, wherein the upper computer is positioned in an aboveground dispatching room; wherein the downhole staging alarm device comprises:
the sensor monitoring module is used for monitoring the underground sensor preset with multi-level alarm parameters in real time; the underground sensor is a sensor which can perform alarm at different levels according to the multi-level alarm parameters and by combining different real-time detection values of the underground sensor;
the alarm level determining module is used for determining a corresponding alarm level to obtain a target alarm level when the sensor monitoring module monitors that the underground sensor is in an alarm state;
the alarm control module is used for controlling a preset alarm device to carry out alarm of a corresponding level according to the target alarm level;
the sensor monitoring module and the alarm level determining module are positioned in the upper computer, and the alarm control module is positioned in the upper computer and/or the underground monitoring substation.
10. The downhole staged warning device of claim 9,
the alarm control module is positioned on the upper computer and is specifically used for controlling an audible and visual alarm and/or a voice alarm which are preset in the aboveground dispatching room and/or the underground operation field to carry out alarm of corresponding levels according to the target alarm level;
and the alarm control module positioned in the underground monitoring substation is specifically used for controlling an audible and visual alarm and/or a voice alarm which are preset in the underground monitoring substation to carry out alarm of corresponding levels according to the target alarm level.
11. A downhole grading alarm system comprising a downhole grading alarm device according to claim 9 or 10 and a downhole sensor.
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| CN201710339065.2A CN107038847A (en) | 2017-05-15 | 2017-05-15 | A kind of Underwell stepped alarm method, equipment and system |
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| CN110261570A (en) * | 2019-07-31 | 2019-09-20 | 沙尔夫矿山机械（徐州）有限公司 | A kind of vehicle-mounted gas alarming cutoff instrument |
| CN111077875A (en) * | 2019-11-28 | 2020-04-28 | 天地（常州）自动化股份有限公司 | Intelligent diagnosis method for equipment fault information of coal mine safety monitoring system |
| CN111432087A (en) * | 2020-03-30 | 2020-07-17 | 海信集团有限公司 | Alarm method and related equipment |
| CN111830208A (en) * | 2020-07-24 | 2020-10-27 | 精英数智科技股份有限公司 | Method and system for monitoring position state of methane sensor |
| CN112116163A (en) * | 2020-09-27 | 2020-12-22 | 广州东塑石油钻采专用设备有限公司 | Intelligent monitoring management method, system and device for well control equipment |
| CN113313915A (en) * | 2021-02-19 | 2021-08-27 | 精英数智科技股份有限公司 | Method and system for processing graded alarm short message based on gas system |
| CN114545853A (en) * | 2022-01-24 | 2022-05-27 | 北京大华启天工业技术有限公司 | Coal mine automation management method and device, electronic equipment and storage medium |
| CN115019482A (en) * | 2022-08-04 | 2022-09-06 | 武汉鼎业环保工程技术有限公司 | Dangerous gas itinerant early warning method and device based on big data |
| CN115019482B (en) * | 2022-08-04 | 2022-11-11 | 武汉鼎业环保工程技术有限公司 | Dangerous gas itinerant early warning method and device based on big data |
| CN115484147A (en) * | 2022-08-30 | 2022-12-16 | 浪潮通信信息系统有限公司 | High-availability monitoring method supporting multiple systems and multiple indexes |
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