CN106610330B - Long-term automatic cable force on-line monitoring system based on vibration method - Google Patents
Long-term automatic cable force on-line monitoring system based on vibration method Download PDFInfo
- Publication number
- CN106610330B CN106610330B CN201611213667.5A CN201611213667A CN106610330B CN 106610330 B CN106610330 B CN 106610330B CN 201611213667 A CN201611213667 A CN 201611213667A CN 106610330 B CN106610330 B CN 106610330B
- Authority
- CN
- China
- Prior art keywords
- vibration
- relay
- acquisition instrument
- hammer
- monitoring system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007774 longterm Effects 0.000 title claims abstract description 11
- 238000010009 beating Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000005284 excitation Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/042—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands by measuring vibrational characteristics of the flexible member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention relates to a vibration method-based long-term automatic cable force on-line monitoring system which comprises a vibration sensor, a beating device for beating a cable, a vibration acquisition instrument and a control platform, wherein the vibration sensor is connected with the vibration acquisition instrument, the control platform is connected with the vibration acquisition instrument and the beating device, the control platform controls the acquisition time of the vibration acquisition instrument, and the control platform controls the beating device to work. The invention can better test the stress of the real inhaul cable by means of reliable external force excitation, thereby solving the problem that the frequency of the cable force cannot be excited by wind speed at present.
Description
Technical Field
The invention relates to a cable monitoring device which is mainly applied to the field of cable force on-line monitoring, in particular to cable force monitoring of bridge cables and gymnasium steel structure cables.
Background
At present, the prior art comprises: the traditional vibration method for measuring the cable force mainly comprises manual detection, and the detection mode mainly comprises the following defects: 1. the data samples are few. 2. The cable force value changes from time to time and cannot be reflected in a curve mode. 3. The frequency acquired by the vibration method needs to be converted manually to obtain an effective force value, and more time and labor are wasted in the process. 4. The change in the cable force value cannot be monitored for a long period of time. Along with the development of technology, on-line monitoring of cable force by a small amount of vibration method is realized at present, but the first-order, second-order and third-order frequencies are mainly excited by wind speed, and the mode mainly has a fatal defect: it is sometimes difficult to excite perfect first-order and second-order frequencies only through wind speed, often clutter is large, and thus the obtained data is difficult to analyze real cable force values.
Disclosure of Invention
In order to solve the defects and shortcomings of traditional manual detection and current on-line monitoring, the invention improves the problems of the current on-line monitoring of the cable force by a vibration method, and provides a long-term automatic on-line monitoring system of the cable force based on the vibration method.
The invention is realized by the following technical scheme. A long-term automatic cable force on-line monitoring system based on a vibration method comprises a vibration sensor, a beating device for beating a inhaul cable, a vibration acquisition instrument and a control platform, wherein the vibration sensor is connected with the vibration acquisition instrument, and the control platform is connected with the vibration acquisition instrument and the beating device. The control platform controls the acquisition time of the vibration acquisition instrument, and the control platform controls the beating device to work.
Further preferably, the control platform is a single-chip microcomputer or a cloud platform, and if the single-chip microcomputer is used, a display module is provided. And setting acquisition time and knocking time interval through a singlechip or a cloud platform, and analyzing and displaying the acquired data.
Further preferably, the striking device is an iron hammer, the iron hammer is connected with a relay, the relay is controlled by a single chip microcomputer or a cloud platform, the action of striking the inhaul cable is completed by controlling a relay switch, and the relay is an electromagnetic relay.
Further preferably, the vibration acquisition instrument is connected with the wireless communication module and is in communication connection with the cloud platform through the wireless communication module. Preferably, the wireless communication module is a wireless data transmission module.
Further preferably, the vibration sensor, the relay and the hammer are integrated in a sensing module, the sensing module comprises a protective shell, the vibration sensor is fixed in the protective shell through a stud in the protective shell, the hammer is arranged on the protective shell and is provided with a reset spring at the bottom of the hammer, a CPU control circuit, the relay and an electromagnetic coil are arranged in the protective shell, the CPU control circuit is connected with the relay, the relay is connected with the electromagnetic coil, the generated magnetic force of the electromagnetic coil acts on the hammer, and the CPU control circuit is connected with the vibration acquisition instrument. The sensing module is arranged at a position which is 1m to 1.5 m away from the fixed point at the lower end of the inhaul cable.
Further, the vibration collector is a multichannel vibration collector.
Further, the sensing module comprises a protective shell, the vibration sensor is fixed in the protective shell through a stud in the protective shell, the hammer is arranged on the protective shell, a reset spring is arranged at the bottom of the hammer, a CPU control circuit, a relay and an electromagnetic coil are arranged in the protective shell, the CPU control circuit is connected with the relay, the relay is connected with the electromagnetic coil, the magnetic force generated by the electromagnetic coil acts on the hammer, and the CPU control circuit is connected with the vibration acquisition instrument.
The working flow is as follows: the relay is powered on by setting interval time through the control platform, after the relay is electrified, the switch is closed, the hammer knocks the inhaul cable, meanwhile, the cloud vibration acquisition instrument acquires data of the vibration sensor, the data acquisition is completed, the relay is closed, the hammer is separated from the inhaul cable, the acquired data are uploaded to the cloud platform, and the cloud platform analyzes the data and displays the data.
The invention has the technical effects that: the cable force monitoring system can solve the problems that the number of manually detected data samples is small, the investment of manpower and material resources is reduced, the change of the cable force curve can be observed, and the cable force monitoring system can monitor for a long time. Aiming at the existing online monitoring, the invention can better test the true stress of the inhaul cable by means of reliable external force excitation, thereby solving the problem that the frequency of the cable force cannot be excited by wind speed at present.
Drawings
Fig. 1 is a schematic diagram of the present invention.
FIG. 2 is a diagram of the internal structure of a sensor module.
In the figure: 1-hammer, 2-relay, 3-vibration sensor, 4-vibration collector, 5-wireless data transmission module, 6-sensor module, 7-cloud platform, 8-protective shell, 9-M4 stud, 10-CPU control circuit, 11-electromagnetic coil, 12-reset spring.
Detailed Description
The invention is further described below with reference to the drawings.
A connection topological diagram of a long-term automatic cable force on-line monitoring system based on a vibration method is shown in fig. 1, and the installation steps are as follows:
The sensing module 6 is fixed with the tested inhaul cable in a hoop mode, and the installation position of the sensing module is 1 m to 1.5m away from the fixed point of the lower end of the inhaul cable. The sensing module 6 includes: hammer 1, relay 2, vibration sensor 3, relay 2 control hammer 1.
The signal cable of the sensing module 6 is connected with the signal input end of the vibration acquisition instrument 4.
The 232 signal line output by the vibration acquisition instrument 4 is connected with the wireless data transmission module 5.
And supplying power to the vibration acquisition instrument 4 and the wireless data transmission terminal 5.
The cloud platform 7 is correspondingly configured, the interval acquisition time is mainly set, and the acquisition time is set to be 4 seconds after half an hour for more accurately testing the change of the cable force.
The working process of the invention is as follows: the interval acquisition time is set through the cloud platform 7, when the time arrives, the relay 2 of the sensor module 1 is closed, the hammer 1 knocks the inhaul cable at the moment, the vibration acquisition instrument 4 starts to acquire data of the vibration sensor 3, the data are uploaded to the cloud platform 7 through the wireless data transmission module 5, and the data are analyzed and displayed by the cloud platform 7. After the system acquisition is finished, the relay 2 is opened, and the hammer 1 is separated from the inhaul cable. At the same time as the hammer 1 strikes the cable, the vibration acquisition instrument 4 starts to acquire data of the vibration sensor 3, and the process needs to be synchronized.
The cloud platform 7 in the invention can be replaced by a singlechip, and only when the singlechip is used, a corresponding display module and a key input module are required to be provided. In the invention, the vibration acquisition instrument 4 is preferably a multi-channel vibration acquisition instrument, and the inside of the vibration acquisition instrument is integrated with an acquisition circuit and a relay control circuit for controlling the relay 2 to work, and of course, the relay 2 can also be directly controlled by the singlechip or the cloud platform 7, but the vibration acquisition instrument 4 is integrated with the relay control circuit, so that the response time difference can be avoided, and the cable wires are reduced.
The hammer 1 is installed in the invention, as long as the hammer can strike a inhaul cable, the on-off of the electromagnet is controlled through the switch of the relay 2, the hammer 1 can move back and forth, and the hammer 1 can also be controlled to move back and forth in a pneumatic valve or other modes. The hammer 1 can be replaced by other striking devices as long as the inhaul cable can be struck.
Fig. 2 discloses a structure of the sensor module 6, but is not limited to the embodiment. The sensing module 6 comprises a protective shell 8, the bottom of the vibration sensor 1 is fixed in the protective shell through an M4 stud 2 in the protective shell 8, the hammer 1 is arranged on the protective shell 8, a reset spring 12 is arranged at the bottom of the hammer 7, and after the hammer 1 is hit, the initial state is restored through the reset spring 12. The CPU control circuit 10, the relay 2 and the electromagnetic coil 11 are arranged in the protective shell 8, the CPU control circuit 10 is connected with the relay 2, the relay 2 is connected with the electromagnetic coil 11, and the CPU control circuit 10 is connected with the vibration acquisition instrument 4. The relay 2 is controlled to be switched on and off through the CPU control circuit 10, the hammer 1 is adsorbed when the electromagnetic coil 11 is electrified, the action of striking the inhaul cable is completed, the electromagnetic coil 11 is powered off, and the hammer is reset by the reset spring 12.
The internal workflow of the entire sensing module 6: when the acquisition time interval set by the cloud platform is reached, the CPU control circuit 10 supplies a high-level voltage to the relay 2, the relay 2 is closed at the moment, the electromagnetic coil 11 is electrified, the electromagnetic coil 11 generates magnetic field attraction after being electrified, the hammer 1 and the inhaul cable are knocked, the vibration acquisition instrument 4 performs data acquisition on the vibration sensor 3 in the process, and after the acquisition is completed, the CPU control circuit 10 outputs a low level to the relay 2, so that the relay 2 is disconnected to supply power to the electromagnetic coil 11, and the hammer 11 is separated from the inhaul cable through the reset spring 12.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
Claims (5)
1. A vibration method-based long-term automatic cable force on-line monitoring system is characterized in that: the device comprises a vibration sensor, a beating device for beating a inhaul cable, a vibration acquisition instrument and a control platform, wherein the vibration sensor is connected with the vibration acquisition instrument;
The control platform controls the acquisition time of the vibration acquisition instrument, and the control platform controls the beating device to work;
the control platform is a singlechip or a cloud platform;
the striking device is an iron hammer which is connected with a relay, and the relay is controlled by a singlechip or a cloud platform;
Vibration sensor, relay, hammer integration are in a sensing module, sensing module includes the protective housing, fixes vibration sensor in the protective housing through the double-screw bolt in the protective housing, and the hammer is installed on the protective housing and is installed a reset spring in the hammer bottom, installs CPU control circuit, relay and solenoid in the protective housing, and CPU control circuit connects the relay, and solenoid's production magnetic force acts on the hammer, and CPU control circuit connects the vibration collection appearance.
2. The vibration-based long-term automated cable force on-line monitoring system of claim 1, wherein: the vibration acquisition instrument is connected with the wireless communication module and is in communication connection with the cloud platform through the wireless communication module.
3. The vibration-based long-term automated cable force on-line monitoring system of claim 2, wherein: the wireless communication module is a wireless data transmission module.
4. The vibration-based long-term automated cable force on-line monitoring system of claim 1, wherein: the vibration acquisition instrument is a multichannel vibration acquisition instrument.
5. The vibration-based long-term automated cable force on-line monitoring system of claim 1, wherein: the sensing module is arranged at a position which is 1m to 1.5 m away from the fixed point at the lower end of the inhaul cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213667.5A CN106610330B (en) | 2016-12-23 | 2016-12-23 | Long-term automatic cable force on-line monitoring system based on vibration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213667.5A CN106610330B (en) | 2016-12-23 | 2016-12-23 | Long-term automatic cable force on-line monitoring system based on vibration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106610330A CN106610330A (en) | 2017-05-03 |
| CN106610330B true CN106610330B (en) | 2024-06-18 |
Family
ID=58636775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611213667.5A Active CN106610330B (en) | 2016-12-23 | 2016-12-23 | Long-term automatic cable force on-line monitoring system based on vibration method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106610330B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202835A (en) * | 2017-07-06 | 2017-09-26 | 中山大学 | A kind of glass curtain wall adhesive structure damage monitoring system and monitoring method |
| CN107314792A (en) * | 2017-07-06 | 2017-11-03 | 中山大学 | A kind of glass curtain wall safety monitoring system and monitoring method |
| CN107941402B (en) * | 2017-11-07 | 2023-09-08 | 交通运输部公路科学研究所 | A device and method for measuring cable force |
| CN110608833A (en) * | 2019-09-12 | 2019-12-24 | 江苏方天电力技术有限公司 | A thermal condition pull rod axial force measurement system and measurement method |
| CN110595509A (en) * | 2019-09-30 | 2019-12-20 | 中国船舶重工集团公司第七0七研究所 | Knocking device for parameter test of low-damping harmonic oscillator |
| CN112187245A (en) * | 2020-09-21 | 2021-01-05 | 上海艾为电子技术股份有限公司 | Pressure-sensitive detection device, pressure-sensitive detection method, and electronic apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206450356U (en) * | 2016-12-23 | 2017-08-29 | 江西飞尚科技有限公司 | Long-term automation Suo Li on-line monitoring systems based on vibratory drilling method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4694879B2 (en) * | 2005-04-22 | 2011-06-08 | 三菱電機株式会社 | Structure inspection device |
| CN101726383B (en) * | 2009-12-11 | 2011-03-16 | 太原理工大学 | Multi-rope winder steel wire rope tension test method |
| KR101075854B1 (en) * | 2011-05-03 | 2011-10-25 | 이희현 | Safety Evaluation System and Method for Bridge Structures |
| JP6136920B2 (en) * | 2013-12-25 | 2017-05-31 | ソニー株式会社 | Analysis device, recording medium, and analysis method |
-
2016
- 2016-12-23 CN CN201611213667.5A patent/CN106610330B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206450356U (en) * | 2016-12-23 | 2017-08-29 | 江西飞尚科技有限公司 | Long-term automation Suo Li on-line monitoring systems based on vibratory drilling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106610330A (en) | 2017-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106610330B (en) | Long-term automatic cable force on-line monitoring system based on vibration method | |
| CN102866301B (en) | A kind of earth resistance analytical equipment and the analysis method of earth resistance | |
| CN205539367U (en) | PCBA function automatic test system | |
| CN104375082A (en) | Intelligent SF6 density relay calibration device and method | |
| CN101702015A (en) | Electric energy meter radio frequency electromagnetic field radiation immunity test test device and test method | |
| CN103760102A (en) | Detection instrument for bonding strength of ferromagnetic coating of remanufactured parts | |
| KR101488711B1 (en) | Test Equipment for Limit Switch | |
| CN105865730B (en) | A kind of self-adapting tuning shake table and detection method | |
| CN107271731A (en) | It is a kind of can wirelessly transmitting data clamp on amperemeter | |
| CN101424747A (en) | Method for predicting weather condition in localized region by mobile phone | |
| CN205176218U (en) | Micro-gap switch testing arrangement | |
| CN206450356U (en) | Long-term automation Suo Li on-line monitoring systems based on vibratory drilling method | |
| CN114487828B (en) | High-reliability generator excitation regulation online test device | |
| CN104215279A (en) | Online environment monitoring system and environment monitoring method | |
| CN103674995A (en) | Device and method for automatically monitoring and evaluating soil parameters | |
| CN207050747U (en) | Type vibration wire readout instrument control system and the type vibration wire readout instrument for including it | |
| CN114235141A (en) | Vibration monitoring method and device based on MEMS sensor | |
| CN204299767U (en) | For the Auto-Test System of aero-engine ignition system | |
| CN205067632U (en) | Characteristic test appearance of tongue tube | |
| CN104197869B (en) | System and method used for automatically detecting drilling rod length stress waves | |
| CN106353405A (en) | Live detection diagnosis method and system with field fault display function for strut porcelain insulator | |
| KR101040736B1 (en) | Suspension Fund Inspection System | |
| CN102401692A (en) | Multichannel vibrating wire acquirer | |
| CN102292632A (en) | Potentiostat data link | |
| CN201689647U (en) | Automatic detection device of terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |