CN202830174U - Monitoring system used for anticorrosion inhaul cable - Google Patents

Monitoring system used for anticorrosion inhaul cable Download PDF

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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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CN
China
Prior art keywords
drag
line
potential
anticorrosion
inhaul cable
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Expired - Lifetime
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CN 201220403692
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Chinese (zh)
Inventor
陈宜言
姜瑞娟
于芳
徐波
涂俊
吴启明
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Shenzhen Municipal Design and Research Institute Co Ltd
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Shenzhen Municipal Design and Research Institute Co Ltd
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Priority to CN 201220403692 priority Critical patent/CN202830174U/en
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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

A kind of supervisory system for anticorrosion drag-line
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:
Monitoring device 41 is connected to the potential value data that are used for gathering described drag-line on the potential test point 35 of drag-line 2;
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.
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.
Monitoring device 41 is that it connects on the potential test point 35 of drag-line 2 and just can monitor in the specific implementation for the equipment that gathers drag-line potential value data.In the present embodiment, monitoring device 41 uses the potential acquisition instrument that the potential value data of drag-line 2 are gathered, and the potential acquisition instrument sends to control device 42 by wired or wireless mode with data message.
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.
Reference electrode 36 has the characteristics such as little, the good stability of polarization, not fragile, long service life.During implementation, reference electrode 36 requires to have insulating property, and reference electrode 36 is under drying regime, and the insulation resistance between the electrode body that it has or conducting rod and electrode watertight cover or stuffing box should be greater than 1M Ω, and have preferably watertightness performance, can prevent the rainwater intrusion.
Control device 42 is the potential value data that gather for according to the potential acquisition instrument, the equipment of Monitoring and Controlling direct supply 33 output valves.The utility model preferred embodiment in, control device 42 further comprises:
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.
Storer 421 can be according to target potential value data or the current value data of design variable storage input.
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.
CN 201220403692 2012-08-15 2012-08-15 Monitoring system used for anticorrosion inhaul cable Expired - Lifetime CN202830174U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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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CX01 Expiry of patent term

Granted publication date: 20130327

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