CN203822379U - Multi-parameter compound measuring device for coal rock fracture - Google Patents
Multi-parameter compound measuring device for coal rock fracture Download PDFInfo
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- CN203822379U CN203822379U CN201420109318.9U CN201420109318U CN203822379U CN 203822379 U CN203822379 U CN 203822379U CN 201420109318 U CN201420109318 U CN 201420109318U CN 203822379 U CN203822379 U CN 203822379U
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- coal petrography
- signal conditioner
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Abstract
The utility model relates to a multi-parameter compound measuring device for coal rock fracture and belongs to the technical field of coal mining monitoring. According to the utility model, the coal rock stress, coal rock sound emission, coal rock electromagnetic radiation, coal rock temperature and coal humidity sensors are integrated, so that a multi-parameter measuring compound sensor is formed. After the sensor is connected with a data collector, the collection for five monitoring data can be realized. The compound measuring device has the characteristics of small volume, simple structure, easiness in mounting, good shielding effect, high stability, reusability, and the like. A hollow thick-wall drum is made of stainless steel, so that the strength is reliable, the device can be reused and the shielding function is good.
Description
Technical field
The utility model belongs to mine monitoring technical field, is specifically related to a kind of coal petrography many reference amounts duplex measurement device that breaks.
Background technology
Bump refers to that coal and rock is when being subject to external disturbance moment unstable failure, discharge macro-energy very and take of causing bad shocking and explosion type destroy is the mine power phenomenon of feature, be the Nature disaster of mine; Due to the diversity of instantaneous sudden, the complicated mechanism of rock blast hazard, widely distributed property and mode of failure, make the prediction work of bump become complicated.
At present, rock blast hazard Forecasting Methodology mainly contains coal petrography stress monitoring, acoustic emission monitor(ing), electromagnetic radiation monitoring, coal petrography temperature monitoring, micro seismic monitoring etc., yet these monitoring equipments are mostly single hole same plane and arrange, just for single factor or unilaterally analyze and research, be mainly manifested in the following aspects:
1. ignored the correlation between monitoring information, lacked the time-space relationship comparative analysis of monitoring information, data analysis brings difficulty to field monitoring may to cause the loss master of key message;
When 2. multiple sensors is arranged into the main long term monitoring of same boring, collapse hole causes sensor stability poor, reclaims difficulty simultaneously, causes waste;
3. multiple sensors is compound to the interference that is not only subject to together artificial and ambient noise, and also phase mutual interference between measuring-signal itself, even may draw antipodal monitoring result in observation process, and predictablity rate reduces.
Above defect has restricted the raising of hazard prediction accuracy rate, in addition work place study find rock blast hazard occur before the rib coal body humidity of " sweating " be changed significantly, therefore, be badly in need of a kind of many reference amounts duplex measurement device, multiple sensors can be compound to stable to be together fixed on boring inner, realize much informations such as simultaneously measuring in coal petrography rupture process stress, sound emission, electromagnetic radiation, temperature and humidity, for the safety and high efficiency of bump mine coal provides a kind of safe, efficient feasible monitoring approach.
Summary of the invention
For the deficiencies in the prior art, the utility model proposes a kind of coal petrography many reference amounts duplex measurement device that breaks, to reach, reduce volume, simplified structure, raising and simplification is installed, improves shielding action, improves the object of stability and the property of can be recycled.
The coal petrography many reference amounts duplex measurement device that breaks, this device comprises compound sensor, signal conditioner, microprocessor, keyboard and display, wherein,
Described compound sensor comprises a hollow thick cyclinder, sleeve pipe, the first coal petrography strain gauge, the second coal petrography strain gauge, coal petrography calibrate AE sensor, coal petrography electromagnetic radiation sensor, coal petrography temperature pick up and coal petrography humidity sensor; Wherein, described hollow thick cyclinder be one without the hollow cylinder of upper end cover, its sidewall and bottom are provided with a plurality of through holes for fixation of sensor; Described coal petrography electromagnetic radiation sensor is fixed on the bottom of hollow thick cyclinder by a through hole; For measuring the first coal petrography strain gauge of gurmy direction stress, by another through hole, be fixed on the sidewall of hollow thick cyclinder; For measuring the second coal petrography strain gauge of mine vertical direction stress, by another through hole, be fixed on the sidewall of hollow thick cyclinder; Coal petrography temperature pick up is fixed on the sidewall of hollow thick cyclinder by another through hole; Coal petrography humidity sensor is fixed on the sidewall of hollow thick cyclinder by another through hole; Coal petrography calibrate AE sensor is fixed on the sidewall of hollow thick cyclinder by another through hole; There is a sleeve pipe in hollow thick cyclinder outside also cover;
Described compound sensor is arranged at the bottom of tested mine two side holes, and the bottom of its hollow thick cyclinder is towards the bottom in hole;
Described signal conditioner comprises first signal conditioner, secondary signal conditioner, the 3rd signal conditioner, the 4th signal conditioner, the 5th signal conditioner and the 6th signal conditioner;
The output of the first described coal petrography strain gauge connects the input of first signal conditioner, the output of the second coal petrography strain gauge connects the input of secondary signal conditioner, the output of coal petrography calibrate AE sensor connects the input of the 3rd signal conditioner, the output of coal petrography electromagnetic radiation sensor connects the input of the 4th signal conditioner, the output of coal petrography temperature pick up connects the input of the 5th signal conditioner, coal petrography humidity sensor output connects the input of the 6th signal conditioner, the output of first signal conditioner, the output of secondary signal conditioner, the output of the 3rd signal conditioner, the output of the 4th signal conditioner, the output of the output of the 5th signal conditioner and the 6th signal conditioner is connected respectively microprocessor Liu road input, another road input of microprocessor connects the output of keyboard, microprocessor Yi road output connects the input of display.
The connecting line of the first described coal petrography strain gauge output, the connecting line of the second coal petrography strain gauge output, the connecting line of coal petrography calibrate AE sensor output, the connecting line of the connecting line of coal petrography electromagnetic radiation sensor output, coal petrography temperature pick up output and the connecting line of coal petrography humidity sensor output are connected signal conditioner through hollow thick cyclinder.
Described hollow thick cyclinder and sleeve pipe all adopt the stainless steel material with shielding action.
Between described hollow thick cyclinder and sleeve pipe, be also provided with the roller of being convenient to installation.
The beneficial effects of the utility model and advantage:
1, the utility model becomes one coal petrography stress, coal petrography sound emission, coal petrography electromagnetic radiation, coal petrography temperature, coal body humidity sensor, form many reference amounts and measure compound sensor, by sensor connection data collector, can realize the collection to five kinds of monitored data.Indoor laboratory application can realize the detection that coal petrography is loaded to rupture process stress signal, acoustic signal, electromagnetic signal, temperature and humidity signal, on-the-spot application has realized different kinds of parameters multibreak monitoring on synchronous, space in time, apply this covering device simultaneously and also can evaluate the solution danger effect of prophylactico-therapeutic measures, reach the object of effective prevention mine power disaster, the security incident that minimizing mine power disaster is caused, the safety that improves tunnel are significant;
2, according to coal petrography, load stress, sound emission, electromagnetic radiation, temperature and humidity change information in rupture process, can be used as evaluation parameter and the evaluation index of coal petrography stability;
3, the coal petrography many reference amounts duplex measurement device that breaks can be realized the synchronous acquisition to five kinds of parameters, adopt data digging method, extract characteristic parameter, application message blending theory, the data message of a plurality of sensors is carried out to fusion treatment, by on-the-spot long term monitoring data, divide Danger Indexes the possibility of disaster generation is carried out to early warning.Duplex measurement device have small volume structure simple, be easy to install, shielding action is good, good stability, the feature such as can be recycled.Duplex measurement Plant arrangement method can realize multibreak monitoring simultaneously, guarantee in recovery process, pre-working seam different section to be monitored, avoid because of down-hole structure or exploit and cause each section to be subject to force unbalance cause monitored data disappearance and then calamitous burst accident occurs;
4, hollow thick cyclinder adopts stainless steel material, and intensity is reliable, recyclable to be reused, and has good shielding action simultaneously; Strain gauge, calibrate AE sensor, temperature and humidity sensor are connected with hollow thick cyclinder by screw thread, and electromagnetic radiation coil is arranged on hollow thick cyclinder the place ahead, have simple in structure, easy operating, the feature of good stability.
5, compound sensor method for arranging of the present utility model is guaranteed in recovery process, pre-working seam different section to be monitored, and avoids because of down-hole structure or exploits and cause each section to be subject to force unbalance cause monitored data disappearance and then calamitous burst accident occurs.
Accompanying drawing explanation
Fig. 1 is the coal petrography of a kind of embodiment of the utility model many reference amounts duplex measurement device overall structure block diagram that breaks;
Wherein, 1-compound sensor; 2-signal conditioner; 3-microprocessor; 4-keyboard; 5-display; 6-data storage; 7-clock; 8-data transmission interface; 101-the first coal petrography strain gauge, 102-the second coal petrography strain gauge; 103-coal petrography calibrate AE sensor; 104-coal petrography electromagnetic radiation sensor; 105-coal petrography temperature pick up; 106-coal petrography humidity sensor; 201-first signal conditioner; 202-secondary signal conditioner; 203-the 3rd signal conditioner; 204-the 4th signal conditioner; 205-the 5th signal conditioner; 206-the 6th signal conditioner;
Fig. 2 is the compound sensor structural representation of a kind of embodiment of the utility model;
Wherein, the hollow thick cyclinder of 107-; 108-roller;
Fig. 3 is the compound sensor line generalized section of a kind of embodiment of the utility model;
Wherein, 109-sleeve pipe;
Fig. 4 is that the actual mining face sensor of a kind of embodiment of the utility model is arranged schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, a kind of embodiment of the utility model is described further.
As shown in Figure 1, in the utility model embodiment, a kind of coal petrography many reference amounts duplex measurement device that breaks, this device comprises compound sensor 1, signal conditioner 2, microprocessor 3, keyboard 4 and display 5, wherein, described signal conditioner comprises first signal conditioner 201, secondary signal conditioner 202, the 3rd signal conditioner 203, the 4th signal conditioner 204, the 5th signal conditioner 205 and the 6th signal conditioner 206.
As shown in Figure 2, in the utility model embodiment, compound sensor comprises a hollow thick cyclinder 107, roller 108, the first coal petrography strain gauge 101, the second coal petrography strain gauge 102, coal petrography calibrate AE sensor 103, coal petrography electromagnetic radiation sensor 104, coal petrography temperature pick up 105 and coal petrography humidity sensor 106; In the utility model embodiment, the first coal petrography strain gauge 101 and the second coal petrography strain gauge 102 all adopt GPD200A Mine-used I. S pressure transmitter, and coal petrography calibrate AE sensor 103 adopts SR150A type calibrate AE sensor; Coal petrography electromagnetic radiation sensor adopts high sensitivity, wide band reception antenna; Coal petrography temperature pick up and coal petrography humidity sensor all adopt JCJ100 intrinsic safety type digital hygro sensor; Described hollow thick cyclinder 107 and sleeve pipe 109 all adopt the stainless steel material with shielding action.
As shown in Figure 2, in the present embodiment, hollow thick cyclinder 107 be one without the hollow cylinder of upper end cover, its sidewall and bottom are provided with for 6 through holes of sensor are set; Described coal petrography electromagnetic radiation sensor 104 is fixed on the bottom of hollow thick cyclinder 107 by a through hole whorl; For measuring the first coal petrography strain gauge 101 of gurmy direction stress, by another through hole whorl, be fixed on the sidewall of hollow thick cyclinder 107; For measuring the second coal petrography strain gauge 102 of mine vertical direction stress, by another through hole whorl, be fixed on the sidewall of hollow thick cyclinder 107; Coal petrography temperature pick up 105 is fixed on the sidewall of hollow thick cyclinder 107 by another through hole whorl; Coal petrography humidity sensor 106 is fixed on the sidewall of hollow thick cyclinder 107 by another through hole whorl; Coal petrography calibrate AE sensor 103 is fixed on the sidewall of hollow thick cyclinder 107 by another through hole whorl; In the present embodiment, coal petrography temperature pick up 105 and coal petrography humidity sensor 106 are positioned at the same side of hollow thick cyclinder 107; Coal petrography calibrate AE sensor 103 and the first coal petrography strain gauge 101 are oppositely arranged, i.e. the opposite side of the first coal petrography strain gauge 101 positions, for measuring mine the place ahead acoustie emission event number.
In the utility model embodiment, the output of the first coal petrography strain gauge 101 connects the input SIN-IN of first signal conditioner 201, the output of the second coal petrography strain gauge 102 connects the input SIN-IN of secondary signal conditioner 202, the output of coal petrography calibrate AE sensor 103 connects the input SIN-IN of the 3rd signal conditioner 203, the output of coal petrography electromagnetic radiation sensor connects the input SIN-IN of the 4th signal conditioner 204, the output of coal petrography temperature pick up 105 connects the input SIN-IN of the 5th signal conditioner 205, coal petrography humidity sensor 106 outputs connect the input SIN-IN of the 6th signal conditioner 206, the output SIN_OUT of first signal conditioner 201, the output SIN_OUT of secondary signal conditioner 202, the output SIN_OUT of the 3rd signal conditioner 203, the output SIN_OUT of the 4th signal conditioner 204, the output SIN_OUT of the 5th signal conditioner 205 output SIN_OUT and the 6th signal conditioner 206 is connected respectively microprocessor Liu road input, the model that described microprocessor adopts is MSP430F449IZP, another road input of microprocessor connects the output of keyboard, and microprocessor Yi road output connects the input of display, described display adopts LCD048 escope, in the utility model embodiment, be also provided with AT45DB041B-SI model data storage 6, microprocessor 3 peripheral circuits comprise power supply, clock 7 and data transmission interface 8.
As shown in Figure 3, the connecting line of the first described coal petrography strain gauge 101 outputs, the connecting line of the connecting line of the second coal petrography strain gauge 102 outputs, coal petrography calibrate AE sensor 103 outputs are, the connecting line of the connecting line of coal petrography electromagnetic radiation sensor output, coal petrography temperature pick up 105 outputs and the connecting line of coal petrography humidity sensor 106 outputs are connected signal conditioner 2 through hollow thick cyclinder 107; Hollow thick cyclinder 107 outsides are also overlapped a sleeve pipe 109; Roller 108 is arranged between hollow thick cyclinder 107 and sleeve pipe 109, is convenient to hollow thick cyclinder 107 to push in sleeve pipe 109, then sleeve pipe 109 is positioned over to foot of hole.
As shown in Figure 4, in the utility model embodiment, in Fig. 4, dotted line represents monitoring section, and the length between three monitoring sections represents with △ xl, △ x2, △ x3 respectively, every 10m or 20m rice, is a monitoring section; On the 1st monitoring section, have n spacing be 4 △ d (△ d represent the spacing of wells from, can be set to 10m～20m distance) monitoring boring, the degree of depth is △ x1; On the 2nd monitoring section, having p spacing is the monitoring boring of 2 △ d, and the degree of depth is △ x1+ △ x2; On the 3rd monitoring section, having q spacing is the monitoring boring of 4 △ d, and the degree of depth is △ x1+ △ x2+ △ x2; If more monitoring sections are set, principle is identical with the utility model embodiment.
In the utility model embodiment, compound sensor 1 is arranged at the bottom of tested mine two side holes, and the bottom of its hollow thick cyclinder 107 is towards the bottom in hole, and the through hole of each sensor by hollow thick cyclinder 107 contacts with mine; In the utility model embodiment, the aperture of boring is 130mm, span 20m; The coal petrography many reference amounts duplex measurement sensor 1 that breaks is installed at the bottom of hole, and sensor connects microprocessors 3 by signal conditioner 2, installs rear opening power, carries out data Real-Time Monitoring.
Claims (4)
1. the coal petrography many reference amounts duplex measurement device that breaks, is characterized in that: this device comprises compound sensor, signal conditioner, microprocessor, keyboard and display, wherein,
Described compound sensor comprises a hollow thick cyclinder, sleeve pipe, the first coal petrography strain gauge, the second coal petrography strain gauge, coal petrography calibrate AE sensor, coal petrography electromagnetic radiation sensor, coal petrography temperature pick up and coal petrography humidity sensor; Wherein, described hollow thick cyclinder be one without the hollow cylinder of upper end cover, its sidewall and bottom are provided with a plurality of through holes for fixation of sensor; Described coal petrography electromagnetic radiation sensor is fixed on the bottom of hollow thick cyclinder by a through hole; For measuring the first coal petrography strain gauge of gurmy direction stress, by another through hole, be fixed on the sidewall of hollow thick cyclinder; For measuring the second coal petrography strain gauge of mine vertical direction stress, by another through hole, be fixed on the sidewall of hollow thick cyclinder; Coal petrography temperature pick up is fixed on the sidewall of hollow thick cyclinder by another through hole; Coal petrography humidity sensor is fixed on the sidewall of hollow thick cyclinder by another through hole; Coal petrography calibrate AE sensor is fixed on the sidewall of hollow thick cyclinder by another through hole; There is a sleeve pipe in hollow thick cyclinder outside also cover;
Described compound sensor is arranged at the bottom of tested mine two side holes, and the bottom of its hollow thick cyclinder is towards the bottom in hole;
Described signal conditioner comprises first signal conditioner, secondary signal conditioner, the 3rd signal conditioner, the 4th signal conditioner, the 5th signal conditioner and the 6th signal conditioner;
The output of the first described coal petrography strain gauge connects the input of first signal conditioner, the output of the second coal petrography strain gauge connects the input of secondary signal conditioner, the output of coal petrography calibrate AE sensor connects the input of the 3rd signal conditioner, the output of coal petrography electromagnetic radiation sensor connects the input of the 4th signal conditioner, the output of coal petrography temperature pick up connects the input of the 5th signal conditioner, coal petrography humidity sensor output connects the input of the 6th signal conditioner, the output of first signal conditioner, the output of secondary signal conditioner, the output of the 3rd signal conditioner, the output of the 4th signal conditioner, the output of the output of the 5th signal conditioner and the 6th signal conditioner is connected respectively microprocessor Liu road input, another road input of microprocessor connects the output of keyboard, microprocessor Yi road output connects the input of display.
2. the coal petrography according to claim 1 many reference amounts duplex measurement device that breaks, it is characterized in that, the connecting line of the first described coal petrography strain gauge output, the connecting line of the second coal petrography strain gauge output, the connecting line of coal petrography calibrate AE sensor output, the connecting line of the connecting line of coal petrography electromagnetic radiation sensor output, coal petrography temperature pick up output and the connecting line of coal petrography humidity sensor output are connected signal conditioner through hollow thick cyclinder.
3. the coal petrography according to claim 1 many reference amounts duplex measurement device that breaks, is characterized in that, described hollow thick cyclinder and sleeve pipe all adopt the stainless steel material with shielding action.
4. the coal petrography according to claim 1 many reference amounts duplex measurement device that breaks, is characterized in that, between described hollow thick cyclinder and sleeve pipe, is also provided with roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109318.9U CN203822379U (en) | 2014-03-11 | 2014-03-11 | Multi-parameter compound measuring device for coal rock fracture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109318.9U CN203822379U (en) | 2014-03-11 | 2014-03-11 | Multi-parameter compound measuring device for coal rock fracture |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821565A (en) * | 2014-03-11 | 2014-05-28 | 辽宁工程技术大学 | Coal and rock fracture multi-parameter duplex measurement device and configuration method |
| CN104198679A (en) * | 2014-09-17 | 2014-12-10 | 辽宁工程技术大学 | Full-waveform synchronous integrated monitoring system and method for deformation and fracture process of coal rock |
| CN103821565B (en) * | 2014-03-11 | 2016-11-30 | 辽宁工程技术大学 | A kind of coal petrography ruptures many reference amounts duplex measurement device and method for arranging |
| CN111335952A (en) * | 2020-04-09 | 2020-06-26 | 李化玉 | Coal mine safety management monitoring early warning system and method thereof |
| CN112857468A (en) * | 2021-03-10 | 2021-05-28 | 中国科学院宁波材料技术与工程研究所 | Dual-mode sensor for measuring strain and magnetic field and preparation method thereof |
-
2014
- 2014-03-11 CN CN201420109318.9U patent/CN203822379U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821565A (en) * | 2014-03-11 | 2014-05-28 | 辽宁工程技术大学 | Coal and rock fracture multi-parameter duplex measurement device and configuration method |
| CN103821565B (en) * | 2014-03-11 | 2016-11-30 | 辽宁工程技术大学 | A kind of coal petrography ruptures many reference amounts duplex measurement device and method for arranging |
| CN104198679A (en) * | 2014-09-17 | 2014-12-10 | 辽宁工程技术大学 | Full-waveform synchronous integrated monitoring system and method for deformation and fracture process of coal rock |
| CN104198679B (en) * | 2014-09-17 | 2016-06-01 | 辽宁工程技术大学 | A kind of oil from coal process Full wave shape simultaneous synthesis Monitoring systems and method |
| CN111335952A (en) * | 2020-04-09 | 2020-06-26 | 李化玉 | Coal mine safety management monitoring early warning system and method thereof |
| CN111335952B (en) * | 2020-04-09 | 2022-04-19 | 安徽恒源煤电股份有限公司 | Coal mine safety management monitoring early warning system and method thereof |
| CN112857468A (en) * | 2021-03-10 | 2021-05-28 | 中国科学院宁波材料技术与工程研究所 | Dual-mode sensor for measuring strain and magnetic field and preparation method thereof |
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