CN208984210U - A kind of acceleration transducer is built in the vibration signal acquisition system of drag-line - Google Patents
A kind of acceleration transducer is built in the vibration signal acquisition system of drag-line Download PDFInfo
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- CN208984210U CN208984210U CN201821616194.8U CN201821616194U CN208984210U CN 208984210 U CN208984210 U CN 208984210U CN 201821616194 U CN201821616194 U CN 201821616194U CN 208984210 U CN208984210 U CN 208984210U
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- 238000004891 communication Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 12
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000003796 beauty Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 6
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
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Abstract
The utility model relates to bridge cable technical fields, specifically a kind of acceleration transducer is built in the vibration signal acquisition system of drag-line, including acceleration transducer, collector and fieldbus, acceleration transducer setting combines together inside drag-line with drag-line, acceleration transducer is two or more, acceleration transducer is all connected on same group of fieldbus, acceleration transducer further includes processing module, processing module receives the analog data of acceleration transducer and processing obtains digital data, processing module digital data is transferred to collector by fieldbus.It transmitted, controlled using fieldbus form, detection, monitoring system is facilitated to lay, it is unrelated between each sensor, improve system stability；Guarantee that sensor is bonded completely with drag-line simultaneously, guarantees the accuracy of inhaul cable vibration data acquisition and the beauty of drag-line.
Description
Technical field
The utility model relates to bridge cable technical field, specifically a kind of acceleration transducer is built in the vibration of drag-line
Signal acquiring system.
Background technique
Acceleration transducer is widely used in drag-line parameter measurement, for example, frequency method measuring rope power, measurement drag-line gradient,
Drag-line amplitude etc. is all made of acceleration transducer acquisition inhaul cable vibration as antecedent basis.Acceleration transducer used at present
It is independently of Cable, when use artificially bundlees acceleration transducer in drag-line outer surface, and there are the following problems for which:
1. sensor artificially bundlees the compactness it is difficult to ensure that sensor and drag-line, especially monitoring system is after long-term operation, binding
Tooling is likely to occur loosening, cannot will measure well the vibration of drag-line in this way；2. sensor is tied at scene when drag-line is longer
It is bonded among drag-line and larger manpower and material resources will be expended with upper bit, and there are some potential safety problemss；3. acceleration transducer
Being bundled in drag-line outer surface influences drag-line beauty；It solves the above problems, people are built in acceleration transducer in drag-line, as in
State patent CN206470013U discloses a kind of solar powered built-in vibration cable force measurement device, including solar-electricity
Pond plate, lithium battery, MEMS acceleration transducer, microcontroller, bluetooth radio module and mechanical shell, sun can solar panels, lithium electricity
Pond, MEMS acceleration transducer, microcontroller and bluetooth radio module are encapsulated by mechanical shell and are wrapped up, this built-in vibration rope
Force measuring device can measure cable force by built-in cable force measurement sensor by cable vibration method, and by bluetooth without
Line transmission, whole device is designed using wireless penetration, built-in inside cable cable body, is used integrated design with cable, is improved
Protective and practicability.But there are still following problems for the device: wireless transmission method is used, when installing multiple acceleration transducers
It can influence each other, monitoring is inconvenient, and job stability is not high.
Utility model content
The utility model provides the vibration signal acquisition system that a kind of acceleration transducer is built in drag-line, acceleration sensing
Device is transmitted, is controlled using fieldbus form, and detection, monitoring system is facilitated to lay, unrelated between each sensor, is mentioned
High system stability；Guarantee that sensor is bonded completely with drag-line simultaneously, guarantees the accuracy and drawing of the acquisition of inhaul cable vibration data
The beauty of rope.
A kind of acceleration transducer is built in the vibration signal acquisition system of drag-line, including acceleration transducer 1, direct current
Source 6, collector 2 and fieldbus 3, the setting of acceleration transducer 1 combines together in 4 inside of drag-line with drag-line 4, described to add
Velocity sensor 1 is two or more, and the acceleration transducer 1 is all connected on same group of fieldbus 3, the acceleration sensing
Device 1 further includes processing module 5, and the processing module 5 receives the detection data of acceleration transducer 1 and forms testing result, institute
It states processing module 5 and communication connection is established by fieldbus 3 and the collector 2, DC power supply 6 is by power supply line 61 to described
Acceleration transducer 1 is powered.Acceleration transducer 1 can be bonded and combine together completely with drag-line 4, guarantee that inhaul cable vibration accelerates
Acquisition precision is spent, conducive to the calculating of Suo Li, inclination angle, amplitude etc. and the beauty of drag-line；Acceleration transducer 1 uses fieldbus
3 forms are transmitted, are controlled, and detection, monitoring system is facilitated to lay, unrelated between each sensor, improve system stability.
Preferably, the processing module 5 includes power management module 51, MCU processor 52, mems accelerometer core
Piece 53 and transmission module 54.
Preferably, the mems accelerometer chip 53 is three axis accelerometer, and the mems accelerometer chip 53 is felt
Drag-line detection data is answered, the detection data sensed is analog data, and analog data is carried out processing demodulation, filtering, A/D
It converts and exports digital data.Three axis accelerometer is small in size, light-weight, can measure steric acceleration, ensure that measurement number
According to it is comprehensive, improve measurement accuracy.
The MCU processor 52 receives the digital data that mems accelerometer chip 53 exports, to digital data into
Row FFT variation, Dip countion and displacement calculation processing obtain testing result, and testing result is frequency, inclination angle and amplitude information.Institute
Control can be programmed by stating acceleration transducer 1 and carrying MCU processor 52, and sensor can be carried out voluntarily at related data
Reason, operation, selectivity transmit data, improve the applicability of system.
Preferably, the DC power supply 6 of 51 pairs of power management module inputs carries out pressure stabilizing to reach the acceleration
The DC power supply 6 of the requirement of voltage needed for the circuit of sensor 1, input is connect by power supply line 61 with power management module 51, is protected
Demonstrate,prove the accuracy of working sensor stability and data acquisition.
Preferably, the transmission module 54 is communicated using 3 form of fieldbus, is connected to the fieldbus 3 that drag-line 4 includes
On, for the communication between the processing module 5 and the collector 2, and receive the instruction of the transmission of collector 2.
Preferably, it is provided with encapsulating shell outside the processing module 5, the processing module 5 is thermally shielded, insulated and prevented
Electrostatic protection improves system functional reliability.
It preferably, further include power supply line 61 and wire and cable connector 7, the power supply line 61 is for connecting the DC power supply 6
With the acceleration transducer 1, the fieldbus 3 is respectively mounted in wire and cable connector 7 with the power supply line 61, and the scene is total
Line 3 is established both-way communication with collector 2 and is connect, and the DC power supply 6 is by the power supply line 61 to the acceleration transducer 1
Power supply.
Detailed description of the invention
Fig. 1 is the total of the vibration signal acquisition system that a kind of acceleration transducer described in the utility model is built in drag-line
Body structural block diagram.
Fig. 2 is the peace for the vibration signal acquisition system that a kind of acceleration transducer described in the utility model is built in drag-line
Assembling structure schematic diagram.
Fig. 3 is the installation diagram of accelerator sensor described in the utility model.
Fig. 4 is the working principle block diagram of processing module described in the utility model.
Fig. 5 is the external cabling structural schematic diagram of acceleration transducer described in the utility model.
In figure: 1, acceleration transducer；2, collector；3, fieldbus；4, drag-line；5, processing module；51, power management
Module；52, MCU processor；53, mems accelerometer chip；54, transmission module；6, DC power supply；61, power supply line；7, cable
Connector.
Specific embodiment:
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
As depicted in figs. 1 and 2, a kind of acceleration transducer is built in the vibration signal acquisition system of drag-line, including accelerates
Sensor 1, DC power supply 6, collector 2 and fieldbus 3 are spent, the acceleration transducer 1 is 3, the acceleration sensing
Device 1 is all connected on same group of fieldbus 3, and the acceleration transducer 1 further includes processing module 5, and the processing module 5 receives
The detection data of acceleration transducer 1 simultaneously forms testing result, and the testing result is passed through fieldbus by the processing module 5
3 are transferred to collector 2.DC power supply 6 powers to the acceleration transducer 1 by power supply line 61.
As shown in figure 3, the acceleration transducer 1 is small in size, it can be embedded into inside drag-line 4, acceleration transducer 1
It combines together with drag-line 4.
As shown in figure 4, the processing module 5 includes power management module 51, MCU processor 52, MEMS acceleration
Count chip 53 and transmission module 54.
The mems accelerometer chip 53 is three axis accelerometer, and the mems accelerometer chip 53 incudes drag-line inspection
The detection data sensed is analog data by measured data, and analog data is carried out processing demodulation, filtering, A/D conversion simultaneously
Export digital data.The MCU processor 52 receives the digital data that mems accelerometer chip 53 exports, to digital quantity
Data carry out FFT variation, Dip countion and displacement calculation processing and obtain testing result, and testing result is frequency, inclination angle and amplitude
Information.Selectivity sends detection data and testing result to the transmission module 54.
As shown in figure 4, the DC power supply 6 of 51 pairs of power management module inputs carries out pressure stabilizing to reach the acceleration
The requirement of voltage needed for spending the circuit of sensor 1, DC power supply 6 are connect by power supply line 61 with power management module 51, the electricity
The DC power supply (12~24V) of 51 pairs of source control module inputs carries out pressure stabilizing and is formed needed for the circuit of the acceleration transducer 1
Voltage (3.3V).
As shown in figure 4, the transmission module 54 is communicated using 3 form of fieldbus, it is total to be connected to the scene that drag-line 4 includes
On line 3, the transmission module 54 receives collector 2 for the communication connection between the processing module 5 and the collector 2
The instruction of transmission or the detection data and testing result for sending the acceleration transducer 1.
It is provided with encapsulating shell outside the processing module 5, the processing module 5 is thermally shielded, is insulated and antistatic is anti-
Shield, the encapsulating shell are the rigid insulation plastics that grade is IP67.
As shown in figure 5, fieldbus 3 and power supply line 61 close up the one end for being connected to a wire and cable connector 7, cable connection
7 other end of device is connect with collector 2, and the setting of wire and cable connector 7 is IP67 at guy anchor fixed end anchor head, being degree of protection
Aviation plug wire and cable connector.
The course of work of the utility model is as follows: mems accelerometer chip 53 is three axis accelerometer, induction drag-line vibration
Dynamic acceleration obtains detection data, carries out processing demodulation, filtering, A/D conversion to detection data, obtains digital data output simultaneously
It is transferred to MCU processor 52, MCU processor 52 is programmable to carry out FFT variation, Dip countion, displacement calculating to digital data
Deng processing, the testing results such as corresponding frequencies, inclination angle, amplitude are obtained, the information such as selective enumeration method data, frequency, inclination angle, amplitude,
And fieldbus 3 is transmitted to by transmission module 54, fieldbus 3 is transferred to collector 2；The system can also pass through fieldbus
3 receive the control instruction of collector 2, carry out corresponding operating according to instruction.
Claims (8)
1. a kind of acceleration transducer is built in the vibration signal acquisition system of drag-line, including acceleration transducer (1), direct current
Source (6), collector (2) and fieldbus (3), acceleration transducer (1) setting are internal in drag-line (4), it is characterised in that:
The acceleration transducer (1) is two or more, and the acceleration transducer (1) is all connected on same group of fieldbus (3), institute
Stating acceleration transducer (1) further includes processing module (5), and the processing module (5) passes through fieldbus (3) and the collector
(2) communication connection is established.
2. a kind of acceleration transducer as described in claim 1 is built in the vibration signal acquisition system of drag-line, feature exists
In: the processing module (5) includes power management module (51), MCU processor (52), mems accelerometer chip (53) and passes
Defeated module (54).
3. a kind of acceleration transducer as claimed in claim 2 is built in the vibration signal acquisition system of drag-line, feature exists
In: the mems accelerometer chip (53) is three axis accelerometer, and the mems accelerometer chip (53) incudes testing number
According to and carry out processing formed digital data.
4. a kind of acceleration transducer as claimed in claim 2 is built in the vibration signal acquisition system of drag-line, feature exists
In: the MCU processor (52) receives the digital data of mems accelerometer chip (53) output, carries out to digital data
FFT variation, Dip countion and displacement calculation processing obtain testing result.
5. a kind of acceleration transducer as claimed in claim 2 is built in the vibration signal acquisition system of drag-line, feature exists
In: the power management module (51) carries out pressure stabilizing to reach the acceleration transducer (1) to the DC power supply (6) of input
Circuit needed for voltage requirement.
6. a kind of acceleration transducer as claimed in claim 2 is built in the vibration signal acquisition system of drag-line, feature exists
In: the transmission module (54) is communicated using fieldbus (3) form, is connected on the fieldbus (3) that drag-line (4) includes,
The transmission module (54) is for the communication connection between the processing module (5) and the collector (2).
7. the vibration signals collecting system that a kind of acceleration transducer such as according to any one of claims 1 to 6 is built in drag-line
System, it is characterised in that: be provided with encapsulating shell outside the processing module (5).
8. a kind of acceleration transducer as claimed in claim 2 is built in the vibration signal acquisition system of drag-line, feature exists
In: it further include power supply line (61) and wire and cable connector (7), the power supply line (61) is established the DC power supply (6) and added with described
The connection of velocity sensor (1), the fieldbus (3) and the power supply line (61) are respectively mounted in wire and cable connector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616194.8U CN208984210U (en) | 2018-09-30 | 2018-09-30 | A kind of acceleration transducer is built in the vibration signal acquisition system of drag-line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616194.8U CN208984210U (en) | 2018-09-30 | 2018-09-30 | A kind of acceleration transducer is built in the vibration signal acquisition system of drag-line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208984210U true CN208984210U (en) | 2019-06-14 |
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ID=66786446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821616194.8U Active CN208984210U (en) | 2018-09-30 | 2018-09-30 | A kind of acceleration transducer is built in the vibration signal acquisition system of drag-line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115331A (en) * | 2018-09-30 | 2019-01-01 | 柳州欧维姆机械股份有限公司 | A kind of acceleration transducer is built in the vibration signal acquisition system of drag-line |
| CN111638077A (en) * | 2020-05-29 | 2020-09-08 | 中铁大桥科学研究院有限公司 | Stay cable intelligent monitoring method and system based on front-end processing |
-
2018
- 2018-09-30 CN CN201821616194.8U patent/CN208984210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115331A (en) * | 2018-09-30 | 2019-01-01 | 柳州欧维姆机械股份有限公司 | A kind of acceleration transducer is built in the vibration signal acquisition system of drag-line |
| CN111638077A (en) * | 2020-05-29 | 2020-09-08 | 中铁大桥科学研究院有限公司 | Stay cable intelligent monitoring method and system based on front-end processing |
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