CN205719090U - Pitshaft monitoring and warning system - Google Patents
Pitshaft monitoring and warning system Download PDFInfo
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- CN205719090U CN205719090U CN201620396475.1U CN201620396475U CN205719090U CN 205719090 U CN205719090 U CN 205719090U CN 201620396475 U CN201620396475 U CN 201620396475U CN 205719090 U CN205719090 U CN 205719090U
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Abstract
The utility model discloses a kind of pitshaft monitoring and warning system, this system includes the X group fiber Bragg grating strain sensor being arranged on pitshaft wall, often group fiber Bragg grating strain sensor includes Y the fiber Bragg grating strain sensor being arranged on same position, also include Z the fiber grating displacement sensor being arranged on pitshaft wall, X, Y, Z are all Tong Bu with the pitshaft of the installation site deformation of positive integer, fiber Bragg grating strain sensor and fiber grating displacement sensor；Also include alarm device, the outfan of controller is connected with the input of alarm device, controller receives the data of either fiber grating strain transducer output and receives the data of either fiber grating displacement sensor output more than the displacement threshold value set more than setting strain threshold or controller, controller output signal sends a warning to alarm device, alarm device.This utility model can be real-time the situation of monitoring mine, mine is carried out pre-alarm and prevention.
Description
Technical field
This utility model relates to a kind of pitshaft security fields, particularly relates to a kind of pitshaft monitoring and warning system.
Background technology
Pitshaft is important component part and the throat thoroughfare of production activity of mine, and mine safety production not only can be caused serious threat by its deformation and failure, but also can cause serious economic loss.Shaft deformation and destruction during runing for mine, main employing 3 d deformation monitoring method, inverse plummet observation, displacement method, compressed wood method, the most traditional monitoring methods such as steel wire base-line method, occur in that the most again embedment sensor method, the monitoring methods such as pressure cell+concrete strain gauge method, above method and means are that the monitoring of shaft deformation and destruction serves positive effect over a period to come, but its shortcoming is the most more apparent simultaneously, under the working environment that down-hole is complicated, generally there is monitoring system complex, monitoring accuracy is low, it is vulnerable to environmental disturbances, life-span is shorter, the problem of the aspects such as stability is low.
Utility model content
This utility model is intended at least solve technical problem present in prior art, the most innovatively proposes a kind of pitshaft monitoring and warning system.
In order to realize above-mentioned purpose of the present utility model, this utility model provides a kind of pitshaft monitoring and warning system, this system includes the X group fiber Bragg grating strain sensor being arranged on pitshaft wall, described X is positive integer, often group fiber Bragg grating strain sensor includes Y the fiber Bragg grating strain sensor being arranged on same position, described Y is the positive integer not less than 2, and the strain signal input that the outfan of a fiber Bragg grating strain sensor is corresponding with controller is connected；Also including Z the fiber grating displacement sensor being arranged on pitshaft cage guide, described Z is positive integer, and the displacement signal input that the outfan of each fiber grating displacement sensor is corresponding with controller is connected；All Tong Bu with the pitshaft of the installation site deformation of described fiber Bragg grating strain sensor and fiber grating displacement sensor；Also include alarm device, the outfan of controller is connected with the input of alarm device, controller receives the data of either fiber grating strain transducer output and receives the data of either fiber grating displacement sensor output more than the displacement threshold value set more than setting strain threshold or controller, controller output signal sends a warning to alarm device, alarm device.
The data monitored by fiber Bragg grating strain sensor and fiber grating displacement sensor are input in controller, can monitor shaft deformation situation, stress state in real time, determine pit shaft in time the most in a safe condition, if reporting to the police in time when pit shaft is dangerous.
In a kind of preferred implementation of the present utility model, also include transmission cable and fiber optical grating intelligent (FBG) demodulator, the data of fiber Bragg grating strain sensor output are connected with fiber optical grating intelligent (FBG) demodulator by transmission cable, and the outfan of fiber optical grating intelligent (FBG) demodulator is connected with controller.Utilizing transmission cable transmission effect data more preferable, data are demodulated by fiber optical grating intelligent (FBG) demodulator.
In a kind of preferred implementation of the present utility model, fiber Bragg grating strain sensor and fiber grating displacement sensor are mounted on independent base, the base of fiber Bragg grating strain sensor uses first to hole and is fixed on the borehole wall with expansion bolt, and the base of fiber grating displacement sensor uses and is fixedly welded on the borehole wall；Fiber Bragg grating strain sensor and fiber grating displacement sensor are connected firmly with base, and sensor deforms with its base simultaneously.Use this installation fiber Bragg grating strain sensor and the mode of fiber grating displacement sensor, it is possible to preferably monitoring pit shaft information.
In a kind of preferred implementation of the present utility model, often at least there is a horizontally disposed fiber Bragg grating strain sensor and a fiber Bragg grating strain sensor vertically arranged in group fiber Bragg grating strain sensor.Monitor respectively in the horizontal direction of same position and the strained situation of the borehole wall on vertical direction.
In one of the present utility model more preferably embodiment, X group fiber Bragg grating strain sensor is arranged in annular, and often group fiber Bragg grating strain sensor is arranged in annular uniformly.The data of monitoring are more accurate.
In one of the present utility model more preferably embodiment, also include X fiber-optical grating temperature sensor, each fiber-optical grating temperature sensor is corresponding is arranged on same position with every pair of fiber Bragg grating strain sensor, and the outfan correspondence of each fiber-optical grating temperature sensor is connected with the temperature input of controller.By arranging fiber-optical grating temperature sensor, as the correction of strain, it is possible to the more accurately situation of monitoring mine pit shaft.
In a kind of preferred implementation of the present utility model, alarm device includes audible alarm unit, audible alarm unit includes audion, it is connected to the ground after the emitter stage series resistance of audion, being connected with power supply after the colelctor electrode series connection buzzer of audion, the base stage of audion is connected with the control end of controller.When there is abnormal case under mine, controller output signal is allowed to turn on to audion, and buzzer sends sound, reminds staff to note abnormal state herein.
In one of the present utility model more preferably embodiment, alarm device also includes illumination alarm unit, illumination alarm unit includes flashing relay and LED, the power end of flashing relay is connected with power supply, the earth terminal of flashing relay is connected to the ground, and is connected to the ground after the outfan series LED lamp of flashing relay.When there is abnormal case under mine, controller output signal is allowed to turn on to audion, and LED one is dodged one and gone out, and reminds staff to note abnormal state herein.
In a kind of preferred implementation of the present utility model, also include comparing unit, comparing unit include X comparator and with door, the normal phase input end of the i-th comparator and the outfan of the i-th fiber Bragg grating strain sensor are connected, described i is the positive integer of no more than X, the inverting input of the i-th comparator is connected with the threshold voltage set respectively, and the outfan of the i-th comparator correspondence respectively is connected with the input with door, is connected with the input of controller with the outfan of door.Comparing unit circuit is simple, it is easy to accomplish.
In a kind of preferred implementation of the present utility model, controller includes data acquisition unit, data analysis unit and data storage cell, the outfan of data acquisition unit is connected with the input of data analysis unit, and the outfan of data analysis unit is connected with the input of data storage cell；Data acquisition unit is for gathering fiber Bragg grating strain sensor and the data of fiber-optical grating temperature sensor output；Data analysis unit processes according to the data in data acquisition unit and judges that pit shaft is the most in a safe condition, occurs that abnormality will send alarm signal and show over the display, display pit shaft stress that also can be real-time on display and deformation data；The data that data storage cell processes for real-time storage data analysis unit.By by data acquisition unit, data analysis unit and data storage cell, shaft deformation situation, stress state can be monitored in real time, determine pit shaft in time the most in a safe condition, if reporting to the police in time when pit shaft is dangerous.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are: the situation of the monitoring mine that this utility model can be real-time, and mine is carried out pre-alarm and prevention.
Accompanying drawing explanation
Fig. 1 is this utility model circuit connection diagram.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining this utility model, and it is not intended that to restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinally ", " laterally ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that term " is installed ", " being connected ", " connection " should be interpreted broadly, such as, can be to be mechanically connected or electrical connection, can also be the connection of two element internals, can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
This utility model provides a kind of pitshaft fiber-optic monitoring early warning system, as shown in Figure 1, including the X group fiber Bragg grating strain sensor being arranged on pitshaft wall, X is positive integer, often group fiber Bragg grating strain sensor includes Y the fiber Bragg grating strain sensor being arranged on same position, Y is the positive integer not less than 2, in the present embodiment, it is not limited to have 6 groups of fiber Bragg grating strain sensors to have 2 fiber Bragg grating strain sensors in forming a uniform annular and often organizing fiber Bragg grating strain sensor, i.e. one horizontally disposed fiber Bragg grating strain sensor and a fiber Bragg grating strain sensor vertically arranged；It can also be other group number, such as 8 or 10 groups, can also be 3 or 4 fiber Bragg grating strain sensors in each group, can also is that uneven and arrangement annular, and also multiple uniform annular (being i.e. to arrange the X group fiber Bragg grating strain sensor of same type at well bore wall every a segment distance) can be set on well bore wall.The strain signal input that the outfan of each fiber Bragg grating strain sensor is corresponding with controller is connected；Also including Z the fiber grating displacement sensor being arranged on pitshaft cage guide, Z is positive integer, and the displacement signal input that the outfan of each fiber grating displacement sensor is corresponding with controller is connected；All Tong Bu with the pitshaft of the installation site deformation of fiber Bragg grating strain sensor and fiber grating displacement sensor；Also include alarm device, the outfan of controller is connected with the input of alarm device, controller receives the data of either fiber grating strain transducer output and receives the data of either fiber grating displacement sensor output more than the displacement threshold value set more than setting strain threshold or controller, controller output signal sends a warning to alarm device, alarm device.In the present embodiment, also include comparing unit, comparing unit include X comparator and with door &, the normal phase input end of the i-th comparator and the outfan of the i-th fiber Bragg grating strain sensor are connected, i is the positive integer of no more than X, preferably, there are 6 fiber Bragg grating strain sensors and 6 comparators, and figure only depicts 4 fiber Bragg grating strain sensors and 4 comparators.The inverting input of the i-th comparator is connected with the threshold voltage set respectively, and the outfan of the i-th comparator correspondence respectively is connected with the input with door, is connected with the input of controller with the outfan of door.Wherein, alarm device includes that audible alarm unit, audible alarm unit include audion Q, is connected to the ground after emitter stage series resistance R of audion, is connected with power supply after the colelctor electrode series connection buzzer HA of audion, and the base stage of audion is connected with the control end of controller；Alarm device also includes that illumination alarm unit, illumination alarm unit include flashing relay and LED, and the power end of flashing relay is connected with power supply, and the earth terminal of flashing relay is connected to the ground, and is connected to the ground after the outfan series LED lamp of flashing relay.
In one of the present utility model more preferably embodiment, also include X fiber-optical grating temperature sensor, each fiber-optical grating temperature sensor is corresponding is arranged on same position with every pair of fiber Bragg grating strain sensor, and the outfan correspondence of each fiber-optical grating temperature sensor is connected with the temperature input of controller.When there being 6 groups of fiber-optical grating temperature sensors, then having 6 fiber-optical grating temperature sensors, each fiber-optical grating temperature sensor is corresponding is arranged on same position with often group fiber Bragg grating strain sensor, so can revise strain error more accurately.
In a kind of preferred implementation of the present utility model, also include transmission cable and fiber optical grating intelligent (FBG) demodulator, the data of fiber Bragg grating strain sensor output are connected with fiber optical grating intelligent (FBG) demodulator by transmission cable, and the outfan of fiber optical grating intelligent (FBG) demodulator is connected with controller.
In a kind of preferred implementation of the present utility model, fiber Bragg grating strain sensor and fiber grating displacement sensor are mounted on independent base, the base of fiber Bragg grating strain sensor uses first to hole and is fixed on the borehole wall with expansion bolt, and the base of fiber grating displacement sensor uses and is fixedly welded on the borehole wall；Fiber Bragg grating strain sensor and fiber grating displacement sensor are connected firmly with base, and sensor deforms with its base simultaneously.
In a kind of preferred implementation of the present utility model, controller includes data acquisition unit, data analysis unit and data storage cell, the outfan of data acquisition unit is connected with the input of data analysis unit, and the outfan of data analysis unit is connected with the input of data storage cell；Data acquisition unit is for gathering fiber Bragg grating strain sensor and the data of fiber-optical grating temperature sensor output；Data analysis unit processes according to the data in data acquisition unit and judges that pit shaft is the most in a safe condition, occurs that abnormality will send alarm signal and show over the display, display pit shaft stress that also can be real-time on display and deformation data；The data that data storage cell processes for real-time storage data analysis unit.In the present embodiment, data acquisition unit, data analysis unit and data storage cell are prior art, wherein data analysis unit can be by fiber Bragg grating strain sensor or fiber Bragg grating strain sensor and the data of fiber-optical grating temperature sensor monitoring, calculate accordingly and be changed into stress, it is worth accordingly and is shown in real time, judge the threshold ratio of this value and setting relatively, exceed display alarm signal the most over the display.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means that the specific features, structure, material or the feature that combine this embodiment or example description are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
Embodiment the most of the present utility model, it will be understood by those skilled in the art that: these embodiments can carry out in the case of without departing from principle of the present utility model and objective multiple change, revise, replace and modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a pitshaft monitoring and warning system, it is characterized in that, including the X group fiber Bragg grating strain sensor being arranged on pitshaft wall, described X is positive integer, often group fiber Bragg grating strain sensor includes Y the fiber Bragg grating strain sensor being arranged on same position, described Y is the positive integer not less than 2, and the strain signal input that the outfan of a fiber Bragg grating strain sensor is corresponding with controller is connected；
Also including Z the fiber grating displacement sensor being arranged on pitshaft cage guide, described Z is positive integer, and the displacement signal input that the outfan of each fiber grating displacement sensor is corresponding with controller is connected；
All Tong Bu with the pitshaft of the installation site deformation of described fiber Bragg grating strain sensor and fiber grating displacement sensor；
Also include alarm device, the outfan of controller is connected with the input of alarm device, controller receives the data of either fiber grating strain transducer output and receives the data of either fiber grating displacement sensor output more than the displacement threshold value set more than setting strain threshold or controller, controller output signal sends a warning to alarm device, alarm device.
Pitshaft monitoring and warning system the most according to claim 1, it is characterized in that, also include transmission cable and fiber optical grating intelligent (FBG) demodulator, the data of fiber Bragg grating strain sensor output are connected with fiber optical grating intelligent (FBG) demodulator by transmission cable, and the outfan of fiber optical grating intelligent (FBG) demodulator is connected with controller.
Pitshaft monitoring and warning system the most according to claim 1, it is characterized in that, fiber Bragg grating strain sensor and fiber grating displacement sensor are mounted on independent base, the base of fiber Bragg grating strain sensor uses first to hole and is fixed on the borehole wall with expansion bolt, and the base of fiber grating displacement sensor uses and is fixedly welded on the borehole wall；Fiber Bragg grating strain sensor and fiber grating displacement sensor are connected firmly with base, and sensor deforms with its base simultaneously.
Pitshaft monitoring and warning system the most according to claim 1, it is characterized in that, often at least there is a horizontally disposed fiber Bragg grating strain sensor and a fiber Bragg grating strain sensor vertically arranged in group fiber Bragg grating strain sensor.
Pitshaft monitoring and warning system the most according to claim 1, it is characterised in that X group fiber Bragg grating strain sensor is arranged in annular, and often group fiber Bragg grating strain sensor is arranged in annular uniformly.
Pitshaft monitoring and warning system the most according to claim 1, it is characterized in that, also include X fiber-optical grating temperature sensor, each fiber-optical grating temperature sensor is corresponding is arranged on same position with every pair of fiber Bragg grating strain sensor, and the outfan correspondence of each fiber-optical grating temperature sensor is connected with the temperature input of controller.
Pitshaft monitoring and warning system the most according to claim 1, it is characterized in that, alarm device includes audible alarm unit, audible alarm unit includes audion, it is connected to the ground after the emitter stage series resistance of audion, being connected with power supply after the colelctor electrode series connection buzzer of audion, the base stage of audion is connected with the control end of controller.
Pitshaft monitoring and warning system the most according to claim 7, it is characterized in that, alarm device also includes illumination alarm unit, illumination alarm unit includes flashing relay and LED, the power end of flashing relay is connected with power supply, the earth terminal of flashing relay is connected to the ground, and is connected to the ground after the outfan series LED lamp of flashing relay.
Pitshaft monitoring and warning system the most according to claim 1, it is characterized in that, also include comparing unit, comparing unit include X comparator and with door, the normal phase input end of the i-th comparator and the outfan of the i-th fiber Bragg grating strain sensor are connected, and described i is the positive integer of no more than X, and the inverting input of the i-th comparator is connected with the threshold voltage set respectively, the outfan of the i-th comparator correspondence respectively is connected with the input with door, is connected with the input of controller with the outfan of door.
Pitshaft monitoring and warning system the most according to claim 1, it is characterized in that, controller includes data acquisition unit, data analysis unit and data storage cell, the outfan of data acquisition unit is connected with the input of data analysis unit, and the outfan of data analysis unit is connected with the input of data storage cell；Data acquisition unit is for gathering fiber Bragg grating strain sensor and the data of fiber grating displacement sensor output；Data analysis unit processes according to the data in data acquisition unit and judges that pit shaft is the most in a safe condition, occurs that abnormality will send alarm signal and show over the display, display pit shaft stress that also can be real-time on display and deformation data；The data that data storage cell processes for real-time storage data analysis unit.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627186A (en) * | 2018-03-22 | 2018-10-09 | 安徽理工大学 | To the method for fiber optic sensor system and deformation early warning that the borehole wall is monitored |
| CN109779623A (en) * | 2019-02-25 | 2019-05-21 | 中国标准化研究院 | A kind of mine cylinder monitoring method |
| CN109813368A (en) * | 2018-12-24 | 2019-05-28 | 陕西能源麟北发电有限公司 | A kind of steel construction indirect cool tower risk monitoring system |
| CN110821566A (en) * | 2019-08-01 | 2020-02-21 | 青岛理工大学 | Fault monitoring system and method for mine shaft |
| CN116612423A (en) * | 2023-03-20 | 2023-08-18 | 华洋通信科技股份有限公司 | AI video identification method for coal mine transportation system |
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2016
- 2016-05-04 CN CN201620396475.1U patent/CN205719090U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627186A (en) * | 2018-03-22 | 2018-10-09 | 安徽理工大学 | To the method for fiber optic sensor system and deformation early warning that the borehole wall is monitored |
| CN109813368A (en) * | 2018-12-24 | 2019-05-28 | 陕西能源麟北发电有限公司 | A kind of steel construction indirect cool tower risk monitoring system |
| CN109813368B (en) * | 2018-12-24 | 2021-02-02 | 陕西能源麟北发电有限公司 | Steel structure indirect cooling tower risk monitoring system |
| CN109779623A (en) * | 2019-02-25 | 2019-05-21 | 中国标准化研究院 | A kind of mine cylinder monitoring method |
| CN110821566A (en) * | 2019-08-01 | 2020-02-21 | 青岛理工大学 | Fault monitoring system and method for mine shaft |
| CN110821566B (en) * | 2019-08-01 | 2021-12-28 | 青岛理工大学 | Fault monitoring system and method for mine shaft |
| CN116612423A (en) * | 2023-03-20 | 2023-08-18 | 华洋通信科技股份有限公司 | AI video identification method for coal mine transportation system |
| CN116612423B (en) * | 2023-03-20 | 2024-05-03 | 华洋通信科技股份有限公司 | AI video identification method for coal mine transportation system |
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