CN203758958U - Weak magnetic online monitoring system for defects of mining steel rope - Google Patents
Weak magnetic online monitoring system for defects of mining steel rope Download PDFInfo
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- CN203758958U CN203758958U CN201320608967.9U CN201320608967U CN203758958U CN 203758958 U CN203758958 U CN 203758958U CN 201320608967 U CN201320608967 U CN 201320608967U CN 203758958 U CN203758958 U CN 203758958U
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Abstract
The utility model discloses a weak magnetic online monitoring system for defects of a mining steel rope. The weak magnetic online monitoring system comprises a data processor, an electromagnetic loading device for carrying out electromagnetic loading on the monitored wire rope, an electromagnetic detection device for detecting residual magnet inside the monitored wire rope after electromagnetic loading, a displacement detection unit for carrying out real-time detection on movement displacement of the monitored wire rope, a parameter input unit and a display unit, wherein the parameter input unit and the display unit are respectively connected with the data processor; the electromagnetic detection device and the displacement detection unit are connected with the data processor; the electromagnetic loading device is a weak magnetic loading device; the electromagnetic detection device comprises a weak magnetic sensor, a signal amplification circuit connected with the weak magnetic sensor, and a signal collection circuit connected with the signal amplification circuit; the weak magnetic sensor is a two-dimensional magnetoresistive sensor. The weak magnetic online monitoring system is simple in circuit, reasonable in design, convenient in wiring and good in using effect, and the problems that the existing manual flaw detection method is high in production cost, time and labor are wasted, and the production efficiency of an enterprise is affected can be solved.
Description
Technical field
The utility model relates to a kind of on-line monitoring system, especially relates to the weak magnetic on-line monitoring system of a kind of pit rope defect.
Background technology
Hoister is one of key equipment of mine production, in actual use procedure, for preventing that in hoister, the great fracture accident of wire rope occurs, need carry out artificial defect detecting test to wire rope every day, and need periodic replacement wire rope, thereby service life of steel wire rope is shorter, causes the larger wasting of resources.Meanwhile, artificial defect detecting test method not only complicated operation, to waste time and energy, drops into manpower and materials cost larger, and manually defect detecting test process directly affects the production efficiency of enterprise.Therefore, nowadays develop the weak magnetic on-line monitoring system of a kind of pit rope defect, degree of impairment that can on-line monitoring steel wire rope of hoist, to prolonging service life of steel wire, save production cost and ensure that Safety of Coal Mine Production is significant.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, provide a kind of pit rope defect weak magnetic on-line monitoring system, simple, the reasonable in design and easy-to-connect of its circuit, result of use are good, can effectively solve the cost that puts into production that existing artificial defect detecting test method exists higher, waste time and energy, affect the problems such as enterprises production efficiency.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the weak magnetic on-line monitoring system of a kind of pit rope defect, it is characterized in that: comprise data processor, monitored wire rope is carried out to the electromagnetic loading device of electromagnetism loading, after electromagnetism loads, the remanent magnetism in monitored wire rope is carried out to the electromagnetic detection detecting in real time, parameter input unit and display unit that the moving displacement of monitored wire rope is carried out the displacement detecting unit that detects in real time and joined with data processor respectively, described electromagnetic detection and displacement detecting unit all join with data processor, described electromagnetic loading device is weak magnetic charger, described electromagnetic detection comprises weak magnetic sensor, the signal amplification circuit joining with weak magnetic sensor and the signal acquisition circuit joining with signal amplification circuit, described signal acquisition circuit and data processor join, and described weak magnetic sensor is two-dimentional magnetoresistive transducer.
The weak magnetic on-line monitoring system of above-mentioned a kind of pit rope defect, it is characterized in that: also comprise that the surface temperature of monitored wire rope is carried out to the temperature sensor that detects in real time and storage inside the data storage cell of corresponding relation between wire rope surface temperature and the sensitivity of described two-dimentional magnetoresistive transducer, described temperature sensor and data storage cell all join with data processor.
The weak magnetic on-line monitoring system of above-mentioned a kind of pit rope defect, is characterized in that: also comprise the serial communication interface joining with data processor, described data processor carries out two-way communication by serial communication interface and host computer.
The weak magnetic on-line monitoring system of above-mentioned a kind of pit rope defect, is characterized in that: described data processor is Atmega16 single-chip microcomputer.
The weak magnetic on-line monitoring system of above-mentioned a kind of pit rope defect, is characterized in that: described two-dimentional magnetoresistive transducer is Honeywell weak magnetic sensor HMC1022.
The weak magnetic on-line monitoring system of above-mentioned a kind of pit rope defect, is characterized in that: described signal amplification circuit is instrument amplifier AD623; Described signal acquisition circuit is A/D converter, and described A/D converter is chip TLC2543.
The weak magnetic on-line monitoring system of above-mentioned a kind of pit rope defect, is characterized in that: described displacement detecting unit is incremental optical-electricity encoder.
The weak magnetic on-line monitoring system of above-mentioned a kind of pit rope defect, is characterized in that: described temperature sensor is 1-wire digital temperature sensor DS18B20.
The weak magnetic on-line monitoring system of above-mentioned a kind of pit rope defect, is characterized in that: described serial communication interface is RS485 interface.
The utility model compared with prior art has the following advantages:
1, simple, the reasonable in design and easy-to-connect of circuit, input cost are lower.
2, use easy and simple to handle and intelligent degree higher.
3, perfect in shape and function, result of use is good and practical value is high, can monitor defect in rope online, can not impact enterprises production efficiency.When actual use, the corresponding relation between the temperature information that can detect according to temperature sensor and wire rope surface temperature and two-dimentional magnetoresistive transducer sensitivity, the sensitivity of two-dimentional magnetoresistive transducer is revised, thereby Monitoring Data is reliable.In addition, in the time judging wire rope according to monitoring result and have defect, the displacement signal detecting according to displacement detecting units synchronization, just can be to existing the position of defect to determine on monitored wire rope.
In sum, simple, the reasonable in design and easy-to-connect of the utility model circuit, result of use are good, can effectively solve the cost that puts into production that existing artificial defect detecting test method exists higher, waste time and energy, affect the problems such as enterprises production efficiency.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-electromagnetic detection; 1-1-weak magnetic sensor; 1-2-signal amplification circuit;
1-3-signal acquisition circuit; 2-displacement detecting unit; 3-data processor;
4-parameter input unit; 5-temperature sensor; 6-data storage cell;
7-serial communication interface; 8-host computer; 9-display unit;
10-power module.
Embodiment
As shown in Figure 1, the electromagnetic detection 1 of after the electromagnetic loading device, electromagnetism that the utility model comprises data processor 3, carry out electromagnetism loading to monitored wire rope loads, the remanent magnetism in monitored wire rope being carried out detecting in real time, parameter input unit 4 and display unit 9 that the moving displacement of monitored wire rope is carried out the displacement detecting unit 2 that detects in real time and joined with data processor 3 respectively, described electromagnetic detection 1 and displacement detecting unit 2 all join with data processor 3.Described electromagnetic loading device is weak magnetic charger.Described electromagnetic detection 1 comprises weak magnetic sensor 1-1, the signal amplification circuit 1-2 joining with weak magnetic sensor 1-1 and the signal acquisition circuit 1-3 joining with signal amplification circuit 1-2, described signal acquisition circuit 1-3 and data processor 3 join, and described weak magnetic sensor 1-1 is two-dimentional magnetoresistive transducer.When actual use, described data processor 3 carries out stores synchronized to electromagnetic detection 1 and displacement detecting unit 2, and the remanent magnetism signal of real-time institute's detection signal and pre-stored normal condition is contrasted.
In the present embodiment, the utility model also comprises that the surface temperature of monitored wire rope is carried out to the temperature sensor 5 that detects in real time and storage inside the data storage cell 6 of corresponding relation between wire rope surface temperature and the sensitivity of described two-dimentional magnetoresistive transducer, and described temperature sensor 5 and data storage cell 6 all join with data processor 3.
In the present embodiment, described temperature sensor 5 is 1-wire digital temperature sensor DS18B20.When actual use, described temperature sensor 5 also can adopt the digital temperature sensor of other model.
Described 1-wire digital temperature sensor DS18B20 is a kind of modified intelligent temperature sensor of DALLAS semiconductor company of the U.S. up-to-date release after digitaltemperaturesensorDS1820, and it can provide the temperature of 12 (scale-of-two) temperature readings indicating device.In addition, between data processor 3 and 1-wire digital temperature sensor DS18B20, only need a line, the measurement range of 1-wire digital temperature sensor DS18B20 is from-55 DEG C to+125 DEG C, and precision is 0.5 DEG C, can be at 1s(representative value) in temperature inversion is become to digital quantity.
In actual use procedure, the temperature information detecting according to temperature sensor 5, and in conjunction with the corresponding relation between interior the stored wire rope surface temperature of data storage cell 6 and two-dimentional magnetoresistive transducer sensitivity, the sensitivity of described two-dimentional magnetoresistive transducer is revised.
Actual laying while installation, described electromagnetic loading device is laid in all sides of monitored wire rope.
Meanwhile, the utility model also comprises the serial communication interface 7 joining with data processor 3, and described data processor 3 carries out two-way communication by serial communication interface 7 and host computer 8.In the present embodiment, described serial communication interface 7 is RS485 interface.
In the present embodiment, described data processor 3 is Atmega16 single-chip microcomputer.
When actual use, described data processor 3 also can adopt the processor chips of other model.
In the present embodiment, described display unit 9 is 12864 Liquid Crystal Modules.
In the present embodiment, described two-dimentional magnetoresistive transducer is Honeywell weak magnetic sensor HMC1022.Described signal amplification circuit 1-2 is instrument amplifier AD623; Described signal acquisition circuit 1-3 is A/D converter, and described A/D converter is chip TLC2543.
In the present embodiment, described displacement detecting unit 2 is incremental optical-electricity encoder.
In the present embodiment, the utility model also comprises the power module 10 joining with data processor 3.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (9)
1. the weak magnetic on-line monitoring system of pit rope defect, it is characterized in that: comprise data processor (3), monitored wire rope is carried out to the electromagnetic loading device of electromagnetism loading, after electromagnetism loads, the remanent magnetism in monitored wire rope is carried out to the electromagnetic detection (1) detecting in real time, parameter input unit (4) and display unit (9) that the moving displacement of monitored wire rope is carried out the displacement detecting unit (2) that detects in real time and joined with data processor (3) respectively, described electromagnetic detection (1) and displacement detecting unit (2) all join with data processor (3), described electromagnetic loading device is weak magnetic charger, described electromagnetic detection (1) comprises weak magnetic sensor (1-1), the signal amplification circuit (1-2) joining with weak magnetic sensor (1-1) and the signal acquisition circuit (1-3) joining with signal amplification circuit (1-2), described signal acquisition circuit (1-3) joins with data processor (3), and described weak magnetic sensor (1-1) is two-dimentional magnetoresistive transducer.
2. according to magnetic on-line monitoring system a little less than a kind of pit rope defect claimed in claim 1, it is characterized in that: also comprise that the surface temperature of monitored wire rope is carried out to the temperature sensor (5) that detects in real time and storage inside the data storage cell (6) of corresponding relation between wire rope surface temperature and the sensitivity of described two-dimentional magnetoresistive transducer, described temperature sensor (5) and data storage cell (6) all join with data processor (3).
3. according to magnetic on-line monitoring system a little less than a kind of pit rope defect described in claim 1 or 2, it is characterized in that: also comprise the serial communication interface (7) joining with data processor (3), described data processor (3) carries out two-way communication by serial communication interface (7) and host computer (8).
4. according to magnetic on-line monitoring system a little less than a kind of pit rope defect described in claim 1 or 2, it is characterized in that: described data processor (3) is Atmega16 single-chip microcomputer.
5. according to magnetic on-line monitoring system a little less than a kind of pit rope defect described in claim 1 or 2, it is characterized in that: described two-dimentional magnetoresistive transducer is Honeywell weak magnetic sensor HMC1022.
6. according to magnetic on-line monitoring system a little less than a kind of pit rope defect described in claim 1 or 2, it is characterized in that: described signal amplification circuit (1-2) is instrument amplifier AD623; Described signal acquisition circuit (1-3) is A/D converter, and described A/D converter is chip TLC2543.
7. according to magnetic on-line monitoring system a little less than a kind of pit rope defect described in claim 1 or 2, it is characterized in that: described displacement detecting unit (2) is incremental optical-electricity encoder.
8. according to magnetic on-line monitoring system a little less than a kind of pit rope defect claimed in claim 2, it is characterized in that: described temperature sensor (5) is 1-wire digital temperature sensor DS18B20.
9. according to magnetic on-line monitoring system a little less than a kind of pit rope defect claimed in claim 3, it is characterized in that: described serial communication interface (7) is RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608967.9U CN203758958U (en) | 2013-09-28 | 2013-09-28 | Weak magnetic online monitoring system for defects of mining steel rope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608967.9U CN203758958U (en) | 2013-09-28 | 2013-09-28 | Weak magnetic online monitoring system for defects of mining steel rope |
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| CN203758958U true CN203758958U (en) | 2014-08-06 |
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| CN201320608967.9U Expired - Fee Related CN203758958U (en) | 2013-09-28 | 2013-09-28 | Weak magnetic online monitoring system for defects of mining steel rope |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897770A (en) * | 2015-05-31 | 2015-09-09 | 上海电机学院 | Steel wire rope nondestructive testing system |
| CN107345936A (en) * | 2016-05-06 | 2017-11-14 | 广西电网有限责任公司桂林供电局 | A kind of primary cut-out operates spring fatigue degree test device |
| CN108152364A (en) * | 2018-01-08 | 2018-06-12 | 沈阳工业大学 | A kind of novel Magnetic Memory fixed point sound-light alarm control method |
| CN108181376A (en) * | 2018-01-08 | 2018-06-19 | 沈阳工业大学 | A kind of novel Magnetic Memory fixed point acoustooptic alarm system |
| CN109283244A (en) * | 2018-08-01 | 2019-01-29 | 昆明理工大学 | A kind of wirerope non-destructive detection device based on TMR Magnetic Sensor |
| CN111060586A (en) * | 2020-01-20 | 2020-04-24 | 上海杰臻电气技术有限公司 | Weak magnetic steel wire rope on-line detection system |
-
2013
- 2013-09-28 CN CN201320608967.9U patent/CN203758958U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897770A (en) * | 2015-05-31 | 2015-09-09 | 上海电机学院 | Steel wire rope nondestructive testing system |
| CN107345936A (en) * | 2016-05-06 | 2017-11-14 | 广西电网有限责任公司桂林供电局 | A kind of primary cut-out operates spring fatigue degree test device |
| CN108152364A (en) * | 2018-01-08 | 2018-06-12 | 沈阳工业大学 | A kind of novel Magnetic Memory fixed point sound-light alarm control method |
| CN108181376A (en) * | 2018-01-08 | 2018-06-19 | 沈阳工业大学 | A kind of novel Magnetic Memory fixed point acoustooptic alarm system |
| CN109283244A (en) * | 2018-08-01 | 2019-01-29 | 昆明理工大学 | A kind of wirerope non-destructive detection device based on TMR Magnetic Sensor |
| CN111060586A (en) * | 2020-01-20 | 2020-04-24 | 上海杰臻电气技术有限公司 | Weak magnetic steel wire rope on-line detection system |
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Granted publication date: 20140806 Termination date: 20160928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |