CN202830174U - Monitoring system used for anticorrosion inhaul cable - Google Patents
Monitoring system used for anticorrosion inhaul cable Download PDFInfo
- Publication number
- CN202830174U CN202830174U CN 201220403692 CN201220403692U CN202830174U CN 202830174 U CN202830174 U CN 202830174U CN 201220403692 CN201220403692 CN 201220403692 CN 201220403692 U CN201220403692 U CN 201220403692U CN 202830174 U CN202830174 U CN 202830174U
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- Prior art keywords
- drag
- line
- potential
- anticorrosion
- inhaul cable
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 13
- 238000012806 monitoring device Methods 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 230000000052 comparative effect Effects 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract 2
- 230000010287 polarization Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 230000003245 working effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
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- Prevention Of Electric Corrosion (AREA)
Abstract
The utility model discloses a monitoring system used for an anticorrosion inhaul cable. The monitoring system comprises a direct current power supply, a monitoring device and a control device, wherein the direct current power supply is used for providing continuous and stable voltage or current for the inhaul cable, the monitoring device is connected with electric potential test points of the inhaul cable and is used for acquiring electric potential data of the inhaul cable, and the control device is respectively connected with the monitoring device and the direct current power supply, compares target electric potential data of the inhaul cable with the actual electric potential data of the inhaul cable, and adjusts output values of the direct current power supply. When the monitoring system used for the anticorrosion inhaul cable is implemented, polarized electric potential of the cathode of the inhaul cable can be kept within required values of design all the time, and the monitoring system has the functions of analyzing abnormal data and giving an alarm; and meanwhile, all protective points of the inhaul cable are in a good protective working state, and the monitoring system facilitates maintenance and can greatly prolong service life of the inhaul cable at present.
Description
Technical field
The utility model relates to field of bridge construction, relates in particular to a kind of supervisory system for anticorrosion drag-line.
Background technology
Recently the accident that the arched bridge pre-stressed boom that occurs collapses, the security of again clear and definite suspension rod has great importance for the security of whole bridge.
In the prior art, the bridge of failure was mostly lost efficacy by suspension rod and caused that the suspension rod Problem of Failure had caused insider's common concern.From the mechanism that suspension rod lost efficacy, mainly be because the acting in conjunction of dielectric corrosion and extraneous load causes that what cause under the common coupling of i.e. stress corrosion, fatigue corrosion and mechanical fatigue is disrumpent feelings.Because the existence of corrosion is randomness, the loss of the hoist cable supporting capacity that the coupling of stress corrosion, fatigue corrosion and mechanical fatigue causes is difficult to determine by the method for analyzing, and therefore causes for the suspension rod life forecast inaccurate.Present detection means can't accurately detect for the blind area of suspension rod, in the engineering normally after suspension rod used 3 ~ 15 years with regard to integral replacing, cause larger financial loss.
The utility model content
Technical problem to be solved in the utility model is, a kind of supervisory system for anticorrosion drag-line is provided, and the current potential of the cathodic polarization of drag-line can be in the required value of design all the time, possesses the analysis abnormal data, the function that gives the alarm; Simultaneously, can make all protection points of drag-line be in all the time good Protection state, be convenient to maintenance, the work-ing life that can significantly improve present drag-line.
In order to solve the problems of the technologies described above, embodiment of the present utility model provides a kind of supervisory system for anticorrosion drag-line, the potential value that is used for monitoring arched bridge pre-stressed boom, cable-stayed bridge or the anticorrosive stayed structure of suspension bridge, described anti-anticorrosion stayed structure is included as the direct supply that its drag-line that has provides lasting, stabilized voltage or electric current, comprising:
Monitoring device, the potential test point that is connected to drag-line upward is used for gathering the potential value data of described drag-line;
Control device is connected with described direct supply with described monitoring device respectively, and described control device is adjusted the output valve of described direct supply by the target potential value data of more described drag-line and the actual potential Value Data of the drag-line that collects.
Preferably, described control device comprises:
Be used for storage target potential value or current value data storage device;
Be used for comparing the potential value data of the described potential test point that is collected by described monitoring device and target potential value or the current value data that described storer is stored, and the comparer of output comparative result information; And
Be used for the direct supply monitor that control is added to the described direct supply output valve on the drag-line, described storer, described comparer and direct supply monitor are connected successively.
Preferably, described monitoring device connects by GPRS, gsm wireless communication modes or Ethernet wire communication mode and described control device.
Preferably, described monitoring device comprises the potential acquisition instrument, and described potential acquisition instrument is connected on the described potential test point by reference electrode 36.
Preferably, the described potential value data of described potential acquisition instrument collection comprise interchange interfering voltage data and/or stray current data.
Preferably, described direct supply comprises potentiostat or vertoro.
Supervisory system for anticorrosion drag-line provided by the utility model, because supervisory system comprises for the monitoring device that gathers the potential value data and can pass through comparison object potential value data and the control device of actual potential Value Data adjustment applying direct current output valve, make the current potential of drag-line cathodic polarization be in all the time the required value of design, possesses the analysis abnormal data, the function that gives the alarm; Simultaneously, all protection points of drag-line all are in good Protection state all the time, are convenient to maintenance, the work-ing life that can significantly improve present drag-line.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that the utility model embodiment is used for the supervisory system of anticorrosion drag-line;
Fig. 2 is the structured flowchart that the utility model embodiment is used for the supervisory system of anticorrosion drag-line.
Embodiment
Below with reference to accompanying drawing preferred embodiment of the present utility model is described.
Referring to Fig. 1, the utility model discloses a kind of supervisory system for anticorrosion drag-line, the potential value that is used for monitoring arched bridge pre-stressed boom, cable-stayed bridge or the anticorrosive stayed structure of suspension bridge, described anti-anticorrosion stayed structure is included as the direct supply 33 that its drag-line that has 2 provides lasting, stabilized voltage or electric current, comprising:
As shown in Figure 2, the application scenario that the utility model is used for the supervisory system of anticorrosion drag-line is: 33 pairs of drag-lines 2 of direct supply and supplementary anode (not shown) apply galvanic current, electrochemical reaction will occur in the surface of supplementary anode (not shown), can constantly provide electronics to drag-line 2, supplementary anode respectively and 2 of drag-lines form the galvanic circle by the conducting medium (not shown), thereby make drag-line 2 produce cathodic polarization, realize the rot-resistant purpose.
Wherein, be used for the supervisory system of anticorrosion drag-line mainly by data gathering, remote signal emission, receiving function, the state of the drag-line of above-mentioned cathodic polarization is carried out Real Time Monitoring, so that the current potential of drag-line reaches design requirements, enable to reach the preservative effect of optimum.
Preferred embodiment, the potential acquisition instrument can connect by GPRS, gsm wireless communication modes or Ethernet wire communication mode and control device 42.In addition, the potential acquisition instrument can also arrange storage chip data are stored.The potential acquisition instrument can gather and uploading data automatically, and the data of collection comprise the drag-line protection potential, exchange the data messages such as interfering voltage and stray current data.
The utility model is for the another kind of embodiment of the monitoring device 41 of the supervisory system of anticorrosion drag-line, and the potential acquisition instrument is connected on the potential test point 35 of drag-line 2 by reference electrode 36.
Be used for storage target potential value or current value data storage device 421;
Be used for comparing the potential value data of the described potential test point 35 that is collected by described monitoring device 41 and target potential value or the current value data of described storer 421 storages, and the comparer 422 of output comparative result information;
Be used for the direct supply monitor 423 that control is added to described direct supply 33 output valves on the drag-line 2, described storer 421, described comparer 422 and direct supply monitor 423 are connected successively.
In embodiment of the present utility model, direct supply 33 comprises potentiostat or vertoro, it can be for a long time, continue stable voltage or electric current be provided.The outward current of potentiostat, output voltage can carry out calculative determination according to the required electric current of the type of working conditions, supplementary anode (not shown), protected stayed structure and the resistance in securing system loop; Direct supply monitor 423 comprises the potentiostat monitor.
Potentiostat monitor 423 can adopt the central controlled mode in watch-keeping cubicle, for example, potentiostat monitor 423 is arranged in the direct supply case.
The supervisory system that the utility model is used for anticorrosion drag-line in the specific implementation, comparer 422 is by the target potential value data that compare drag-line 2 and the drag-line actual potential Value Data that is collected by the potential acquisition instrument, output comparative result information, potentiostat monitor 423 is according to comparative result information, send to adjust the data of applying direct current output valve to potentiostat or vertoro, and then make the current potential of drag-line 2 negative electrode point of contact 32 can be in all the time the required value of design.
That is to say, potentiostat monitor 423 is by gathering the working parameter of potentiostat, by control cables with information transmission to concentrated launching device, collect and process the data of each launching device output by the terminal computer receiver module, managerial personnel can pass through monitoring software, the Monitoring systems working condition, and can be according to circumstances, send corresponding adjustment instruction, the working order of anticorrosion drag-line cathodic polarization is carried out Real Time Monitoring.
Implement the supervisory system that is used for anticorrosion drag-line of the utility model embodiment, because supervisory system comprises for the monitoring device that gathers the potential value data and can pass through comparison object potential value data and the control device of actual potential Value Data adjustment applying direct current output valve, make the current potential of drag-line cathodic polarization be in all the time the required value of design, possesses the analysis abnormal data, the function that gives the alarm; Simultaneously, all protection points of drag-line all are in good Protection state all the time, are convenient to maintenance, the work-ing life that can significantly improve present drag-line.
Above disclosed only is the utility model preferred embodiment, certainly can not limit with this interest field of the utility model, so equivalent variations, still belongs to the scope that the utility model is contained.
Claims (6)
1. supervisory system that is used for anticorrosion drag-line, the potential value that is used for monitoring arched bridge pre-stressed boom, cable-stayed bridge or the anticorrosive stayed structure of suspension bridge, described anti-anticorrosion stayed structure is included as the direct supply (33) that its drag-line that has (2) provides lasting, stabilized voltage or electric current, it is characterized in that, comprising:
Monitoring device (41), the potential test point (35) that is connected to drag-line (2) upward is used for gathering the potential value data of described drag-line;
Control device (42), be connected with described direct supply (33) with described monitoring device (41) respectively, described control device (42) is adjusted the output valve of described direct supply (33) by the target potential value data of more described drag-line (2) and the actual potential Value Data of the drag-line (2) that collects.
2. the supervisory system for anticorrosion drag-line as claimed in claim 1 is characterized in that, described control device (42) comprising:
Be used for storage target potential value or current value data storage device (421);
Be used for comparing the potential value data of the described potential test point (35) that is collected by described monitoring device (41) and target potential value or the current value data of described storer (421) storage, and the comparer (422) of output comparative result information;
Be used for the direct supply monitor (423) that control is added to described direct supply (33) output valve on the drag-line (2), described storer (421), described comparer (422) and direct supply monitor (423) are connected successively.
3. the supervisory system for anticorrosion drag-line as claimed in claim 1 or 2 is characterized in that, described monitoring device (41) connects by GPRS, gsm wireless communication modes or Ethernet wire communication mode and described control device (42).
4. the supervisory system for anticorrosion drag-line as claimed in claim 3 is characterized in that, described monitoring device (41) comprises the potential acquisition instrument, and described potential acquisition instrument is connected on the described potential test point (35) by reference electrode (36).
5. the supervisory system for anticorrosion drag-line as claimed in claim 4 is characterized in that, the protection potential that the described potential value data of described potential acquisition instrument collection comprise drag-line with exchange interfering voltage, and stray current data.
6. the supervisory system for anticorrosion drag-line as claimed in claim 1 is characterized in that, described direct supply (33) comprises potentiostat or vertoro.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403692 CN202830174U (en) | 2012-08-15 | 2012-08-15 | Monitoring system used for anticorrosion inhaul cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403692 CN202830174U (en) | 2012-08-15 | 2012-08-15 | Monitoring system used for anticorrosion inhaul cable |
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| Publication Number | Publication Date |
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| CN202830174U true CN202830174U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220403692 Expired - Lifetime CN202830174U (en) | 2012-08-15 | 2012-08-15 | Monitoring system used for anticorrosion inhaul cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558040A (en) * | 2013-07-26 | 2014-02-05 | 合肥工业大学 | Equipment and method for cable-stayed bridge cable replacing engineering monitoring |
| CN103940893A (en) * | 2014-05-13 | 2014-07-23 | 湖南大学 | Device and method for monitoring corrosion defects of anchorage section of stay rope |
| CN110066997A (en) * | 2019-04-30 | 2019-07-30 | 青岛雅合科技发展有限公司 | Outer corrosion alternating current-direct current method for comprehensive detection |
-
2012
- 2012-08-15 CN CN 201220403692 patent/CN202830174U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558040A (en) * | 2013-07-26 | 2014-02-05 | 合肥工业大学 | Equipment and method for cable-stayed bridge cable replacing engineering monitoring |
| CN103558040B (en) * | 2013-07-26 | 2016-03-02 | 合肥工业大学 | The instrument and equipment of cable-stayed bridge cable replacement engineering monitoring and method |
| CN103940893A (en) * | 2014-05-13 | 2014-07-23 | 湖南大学 | Device and method for monitoring corrosion defects of anchorage section of stay rope |
| CN110066997A (en) * | 2019-04-30 | 2019-07-30 | 青岛雅合科技发展有限公司 | Outer corrosion alternating current-direct current method for comprehensive detection |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |