CN102733853A - Intelligent sensor for collecting stress - Google Patents
Intelligent sensor for collecting stress Download PDFInfo
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- CN102733853A CN102733853A CN2011100991392A CN201110099139A CN102733853A CN 102733853 A CN102733853 A CN 102733853A CN 2011100991392 A CN2011100991392 A CN 2011100991392A CN 201110099139 A CN201110099139 A CN 201110099139A CN 102733853 A CN102733853 A CN 102733853A
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- 239000000523 sample Substances 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The invention relates to an intelligent sensor for collecting a stress. The sensor is provided with a conical taper and a cylindrical tail part, wherein the probe is rotatably connected with the tail part through a thread; an inner wall of the probe is fixedly provided with an induction block capable of inducing a pressure; the tail part is internally fixed with a single chip microcomputer module capable of carrying out data processing; the induction block is connected with the single chip microcomputer module through a signal line; the single chip microcomputer module is fixedly provided with a data line for transmitting signals outside; and the data line transmits the signals to an interface communicated with an outer computer through a circular hole on the tail part, which is matched with the cross section of the tail part. The sensor has high sensitivity and strong interference resisting capability; and the requirements of detecting the stress under different mine shaft depths are met and the safety of mine shaft work is increased.
Description
Technical field
The present invention relates to a kind of sensor of measuring stress, especially can realize intelligence sensor the collection stress of collection of rib different depth stress and detection.
Background technology
At present; The STRESS VARIATION of many phenomena of the failure that the colliery takes place during all with exploitation exists close related; Do not have effective checkout gear for impulsion pressure, coal, gas explosion and roof fall accident, be easy to cause the potential faults under the coal mine, serious threat people's the security of the lives and property.
If a kind of digitlization, intellectuality and high-resolution stress pick-up transducers can be provided; Then can realize the stress collection of the different depths of rib, handle and analyze; And can realize coal and rock STABILITY MONITORING to advance work plane and digging laneway; When certain parameter reaches the setting threshold values, have the onsite alarming function, have great convenience for the user use.
Summary of the invention
For the stress that overcomes colliery digging area surrounding rock body is difficult for problems of monitoring; The present invention provides a kind of intelligence sensor of gathering stress; Stress monitoring under the applicable varying environment of this sensor; Real-time Transmission stress signal to inspection center stands, the stress distribution and the unsafe condition of the current monitored area of demonstration of image.
The technical solution adopted for the present invention to solve the technical problems is: this intelligence sensor is provided with the afterbody of a conical probe and tubular; Probe is connected by screw thread rotation with afterbody; Be fixed with on the inwall of probe can induction pressure sensor block; Be fixed with the one-chip computer module that can carry out data in the afterbody; Sensor block is connected through holding wire with one-chip computer module, and one-chip computer module is fixed with the data wire of outside outgoing signal, and data wire is through on the interface that the circular hole that matches with its sectional area on the afterbody passes the signal to outer computer is connected.
The probe of this intelligence sensor and afterbody are steel design; Data wire and holding wire are the shielding dual-hinge line; The plc single-chip microcomputer that one-chip computer module is high speed, low-power consumption, antijamming capability is strong is comprising processor circuit, CAN drive circuit, current detection circuit and power circuit.
Processor circuit in the one-chip computer module is provided with processor chips; The external port of processor chips links to each other with crystal oscillator; The two ends of crystal oscillator link to each other with starting of oscillation electric capacity respectively; The signal input port of processor chips is connected with the download line interface, is convenient in the signal input processor chip, and power supply is supplied power to processor chips through resistance and switch.
CAN drive circuit in the one-chip computer module is provided with a signal conversion chip; The reseting port of chip is through No. two resistance eutral groundings; Power supply links to each other with the anode of indicator lamp through resistance, and the negative electrode of indicator lamp links to each other with the port of signal conversion chip, and the negative electrode of indicator lamp is through a filter capacitor ground connection simultaneously; In addition, the signal conversion chip is connected with external circuit with No. two interfaces through an interface.
Current detection circuit in the one-chip computer module is provided with a current detecting chip; The output of chip links to each other with the base stage of amplifier; The emitter stage of amplifier is connected with power supply through pull-up resistor, and the colelctor electrode of amplifier links to each other with No. four interfaces, is convenient to and external circuit delivered current signal; The input of chip links to each other with the anode of voltage-stabiliser tube, and the negative electrode of voltage-stabiliser tube links to each other with power supply.
Power circuit in the one-chip computer module is provided with a voltage transitions chip and No. two voltage transitions chips; The output of chip is connected with No. four interfaces; Make things convenient for the external voltage signal input, simultaneously, a voltage transitions chip and No. two voltage transitions chips are through No. two filter capacitor ground connection.
The invention has the beneficial effects as follows that this transducer sensitivity is high, antijamming capability is strong, has satisfied the needs that stress detects under the different mine degree of depth, has increased the safety of mine operation.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is a structural principle sketch map of the present invention.
Fig. 2 is that the processor circuit in the one-chip computer module connects sketch map.
Fig. 3 is that the CAN drive circuit in the one-chip computer module connects sketch map.
Fig. 4 is that the current detection circuit in the one-chip computer module connects sketch map.
Fig. 5 is that the power circuit in the one-chip computer module connects sketch map.
Among the figure, 1. data wire, 2. afterbody, 3. one-chip computer module, the portion that 4. spins, 5. holding wire, 6. probe; 7. sensor block, 8. interface, 9. power supply, 10. resistance, 11. switches, 12. crystal oscillators; 13. starting of oscillation electric capacity, 14. processor chips, 15. download line interface, 16. signal conversion chips, 17. indicator lamps, No. 18. interfaces; 19. No. two interfaces, No. 20. filter capacitors, 21. No. two resistance, 22. voltage-stabiliser tubes, 23. current detecting chips, 24. No. three interfaces; 25. amplifier, 26. pull-up resistors, 27. No. four interfaces, No. 28. voltage transitions chips, 29. No. two voltage transitions chips, 30. No. two filter capacitors.
The specific embodiment
In the drawings; This intelligence sensor is provided with the afterbody 2 of a conical probe 6 and tubular; Probe 6 is connected by screw thread rotation with afterbody 2; Be fixed with on probe 6 the inwall can induction pressure sensor block 7, be fixed with the one-chip computer module 3 that can carry out data in the afterbody 2, sensor block 7 is connected through holding wire 5 with one-chip computer module 3; One-chip computer module 3 is fixed with the data wire 1 of outside outgoing signal, and data wire 1 passes the signal on the interface 8 that is connected with outer computer through the circular hole that matches with its sectional area on the afterbody 2.
In the drawings; The probe 6 and the afterbody 2 of this intelligence sensor are steel design; Data wire 1 is the shielding dual-hinge line with holding wire 5; The plc single-chip microcomputer that one-chip computer module 3 is high speed, low-power consumption, antijamming capability is strong is comprising processor circuit, CAN drive circuit, current detection circuit and power circuit.
In the drawings; Processor circuit in the one-chip computer module 3 is provided with processor chips 14; The external port of processor chips 14 links to each other with crystal oscillator 12, and the two ends of crystal oscillator 12 link to each other with starting of oscillation electric capacity 13 respectively, and the signal input port of processor chips 14 is connected with downloads line interface 15; Be convenient in the signal input processor chip 14, power supply 9 is supplied power to processor chips 14 with switch 11 through a resistance 10.
In the drawings; CAN drive circuit in the one-chip computer module 3 is provided with a signal conversion chip 16, and the reseting port of chip is through No. two resistance 21 ground connection, and power supply links to each other with the anode of indicator lamp 17 through resistance; The negative electrode of indicator lamp 17 links to each other with the port of signal conversion chip 16; The negative electrode of indicator lamp 17 is through filter capacitor 20 ground connection simultaneously, and in addition, signal conversion chip 16 is connected with external circuit with No. two interfaces 19 through an interface 18.
In the drawings; Current detection circuit in the one-chip computer module 3 is provided with a current detecting chip 23, and the output of chip links to each other with the base stage of amplifier 25, and the emitter stage of amplifier 25 is connected with power supply through pull-up resistor 26; The colelctor electrode of amplifier 25 links to each other with No. three interfaces 24; Be convenient to and external circuit delivered current signal, the input of chip links to each other with the anode of voltage-stabiliser tube 22, and the negative electrode of voltage-stabiliser tube 22 links to each other with power supply.
In the drawings; Power circuit in the one-chip computer module 3 is provided with a voltage transitions chip 28 and No. two voltage transitions chips 29; The output of chip is connected with No. four interfaces 27; Make things convenient for the external voltage signal input, simultaneously, a voltage transitions chip 28 and No. two voltage transitions chips 29 are through No. two filter capacitor 30 ground connection.When using this intelligence sensor; To pop one's head in 6 spins together the composition sensor with afterbody 2, sensor is embedded in underground, and the sensor block 7 of probe in 6 is sent to one-chip computer module 3 with detected stress signal through holding wire 5; Be delivered to the CAN drive circuit after the treated device processing of circuit of stress signal; When signal arrived, the indicator lamp 17 in the CAN drive circuit was shinny, plays the effect of index signal; Current detection circuit is sent to the current signal that collects in the processor chips 14 in the processor circuit after amplifier 25 amplifies; Voltage transitions chip 28 in the power circuit and No. two voltage transitions chips 29 play the effect of voltage transitions, can suitable power supply be provided for processor circuit, CAN drive circuit and current detection circuit, thereby one-chip computer module 3 is normally moved; Stress signal by after one-chip computer module 3 processing is sent to outer computer by data wire 1, reaches the purpose of fast detecting stress.
Claims (6)
1. gather the intelligence sensor of stress, this sensor is provided with the afterbody (2) of a conical probe (6) and tubular; It is characterized in that: probe (6) is connected by screw thread rotation with afterbody (2); Be fixed with on the inwall of probe (6) can induction pressure sensor block (7); Be fixed with the one-chip computer module (3) that can carry out data in the afterbody (2); Sensor block (7) is connected through holding wire (5) with one-chip computer module (3), and one-chip computer module (3) is fixed with the data wire (1) of outside outgoing signal.
2. the intelligence sensor of collection stress according to claim 1 is characterized in that: said one-chip computer module comprises processor circuit, CAN drive circuit, current detection circuit and power circuit.
3. the intelligence sensor of collection stress according to claim 2; It is characterized in that: the processor circuit in the said one-chip computer module (3) is provided with processor chips (14); The external port of processor chips (14) links to each other with crystal oscillator (12), and the two ends of crystal oscillator (12) link to each other with starting of oscillation electric capacity (13) respectively.
4. the intelligence sensor of collection stress according to claim 2; It is characterized in that: the CAN drive circuit in the said one-chip computer module (3) is provided with a signal conversion chip (16); The reseting port of chip is through No. two resistance (21) ground connection; Power supply links to each other with the anode of indicator lamp (17) through resistance, and the negative electrode of indicator lamp (17) links to each other with the port of signal conversion chip (16), and the negative electrode of indicator lamp (17) is through a filter capacitor (20) ground connection simultaneously.
5. the intelligence sensor of collection stress according to claim 2; It is characterized in that: the current detection circuit in the said one-chip computer module (3) is provided with a current detecting chip (23); The output of chip links to each other with the base stage of amplifier (25); The emitter stage of amplifier (25) is connected with power supply through pull-up resistor (26); The colelctor electrode of amplifier (25) links to each other with No. three interfaces (24), and the input of chip links to each other with the anode of voltage-stabiliser tube (22), and the negative electrode of voltage-stabiliser tube (22) links to each other with power supply.
6. the intelligence sensor of collection stress according to claim 2; It is characterized in that: the power circuit in the one-chip computer module (3) is provided with a voltage transitions chip (28) and No. two voltage transitions chips (29); The output of chip is connected with No. four interfaces (27); Simultaneously, a voltage transitions chip (28) passes through No. two filter capacitors (30) ground connection with No. two voltage transitions chips (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100991392A CN102733853A (en) | 2011-04-14 | 2011-04-14 | Intelligent sensor for collecting stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100991392A CN102733853A (en) | 2011-04-14 | 2011-04-14 | Intelligent sensor for collecting stress |
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| Publication Number | Publication Date |
|---|---|
| CN102733853A true CN102733853A (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100991392A Pending CN102733853A (en) | 2011-04-14 | 2011-04-14 | Intelligent sensor for collecting stress |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206246A (en) * | 2013-03-22 | 2013-07-17 | 淮南矿业(集团)有限责任公司 | Fire prevention monitor in stope face goaf |
| CN109282930A (en) * | 2018-09-30 | 2019-01-29 | 深圳大学 | Stress detection device and stress detection matrix system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956926A (en) * | 1974-10-29 | 1976-05-18 | Phillips Oliver V | Stress measuring apparatus |
| CN2394005Y (en) * | 1999-07-01 | 2000-08-30 | 辽河石油勘探局钻采工艺研究院 | High temperature durable electronic pressure gage |
| CN1793917A (en) * | 2005-12-09 | 2006-06-28 | 铁道第三勘察设计院 | Probe for in-situ real time measuring saturated fine soil borizontal stress and measuring, calculating method |
| CN2869321Y (en) * | 2006-01-19 | 2007-02-14 | 山东科大中天电子有限公司 | Coal mine stope face pressure testing device |
| CN101446193A (en) * | 2008-12-12 | 2009-06-03 | 中国矿业大学 | Device and method for detecting coal seam gas pressure and coal wall stress |
| CN101545765A (en) * | 2009-04-26 | 2009-09-30 | 山东省尤洛卡自动化装备股份有限公司 | Method and device for precision measurement of deep compression amount of virgin coal |
| CN202002756U (en) * | 2011-04-14 | 2011-10-05 | 中国矿业大学 | Intelligent sensor for collecting stress |
-
2011
- 2011-04-14 CN CN2011100991392A patent/CN102733853A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956926A (en) * | 1974-10-29 | 1976-05-18 | Phillips Oliver V | Stress measuring apparatus |
| CN2394005Y (en) * | 1999-07-01 | 2000-08-30 | 辽河石油勘探局钻采工艺研究院 | High temperature durable electronic pressure gage |
| CN1793917A (en) * | 2005-12-09 | 2006-06-28 | 铁道第三勘察设计院 | Probe for in-situ real time measuring saturated fine soil borizontal stress and measuring, calculating method |
| CN2869321Y (en) * | 2006-01-19 | 2007-02-14 | 山东科大中天电子有限公司 | Coal mine stope face pressure testing device |
| CN101446193A (en) * | 2008-12-12 | 2009-06-03 | 中国矿业大学 | Device and method for detecting coal seam gas pressure and coal wall stress |
| CN101545765A (en) * | 2009-04-26 | 2009-09-30 | 山东省尤洛卡自动化装备股份有限公司 | Method and device for precision measurement of deep compression amount of virgin coal |
| CN202002756U (en) * | 2011-04-14 | 2011-10-05 | 中国矿业大学 | Intelligent sensor for collecting stress |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206246A (en) * | 2013-03-22 | 2013-07-17 | 淮南矿业(集团)有限责任公司 | Fire prevention monitor in stope face goaf |
| CN109282930A (en) * | 2018-09-30 | 2019-01-29 | 深圳大学 | Stress detection device and stress detection matrix system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130819 Address after: 221000 No. 269 tricyclic South Road, Jiangsu, Xuzhou Applicant after: China University of Mining & Technology Applicant after: Liu Weidong Address before: 221000 No. 269 tricyclic South Road, Jiangsu, Xuzhou Applicant before: China University of Mining & Technology Applicant before: Xuzhou Ruiyuan Electrical Technology Co., Ltd. Applicant before: Liu Weidong |
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Addressee: Liu Weidong Document name: Notification of Passing Examination on Formalities |
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121017 |