CN209471028U - Monitoring probe and suspension cable bridge - Google Patents
Monitoring probe and suspension cable bridge Download PDFInfo
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- CN209471028U CN209471028U CN201920159214.1U CN201920159214U CN209471028U CN 209471028 U CN209471028 U CN 209471028U CN 201920159214 U CN201920159214 U CN 201920159214U CN 209471028 U CN209471028 U CN 209471028U
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Abstract
The utility model provides a kind of monitoring probe and suspension cable bridge, belong to corrosion monitoring technology field, monitoring probe includes shell, resistance probe, integrated sensor and circuit board, circuit board is arranged in shell, integrated sensor and resistance probe, which are arranged on circuit board and respectively with the circuit structure of circuit board, to be connect, and resistance probe and integrated sensor pass through the external collector of conducting wire respectively.Monitoring probe provided by the utility model, using precision resistance probe technique, it is the stabilization of measurement result, reliable, integrate the sensitive components of a variety of different types, the monitoring function that a probe is provided simultaneously with a variety of physical quantitys may be implemented, and measurement progress is high, stability is good, the design of integrated form, can both save space can also be greatly reduced cost.
Description
Technical field
The utility model relates to corrosion monitoring technology fields, in particular to a kind of monitoring probe and suspension cable bridge.
Background technique
Main push-towing rope is one of most important supporting member in Suspension bridge structure, the referred to as lifeline of suspension bridge.It is by several
Root high strength steel silk composition, and it is non-exchange in suspension bridge whole life cycle, simultaneously because being chronically exposed to wind and rain, tide
In wet and contaminated natural environment, the erosion and dynamic load and action of static load of various adverse environments are undergo, in spite of outer cladding
Layer is also also easy to produce corrosion, to jeopardize the safety of suspension bridge once salt fog penetrates into.Suspension bridge service life largely takes
Certainly in the intact degree of main cable protection.
One of the main reason for reinforcement corrosion is bridge collapse, the current check and maintenance of main push-towing rope focus primarily upon master at present
The reparation of the visual examination of cable and outer coating, but it is domestic seldom to the corrosion degree and bearing capacity evaluation of main push-towing rope inner wire
It is related to.In addition, the span of suspension bridge is being continuously increased at present, intensity of steel wire is higher and higher and the value of the safety coefficient of main push-towing rope again
It is constantly reducing, the stress level for directly resulting in steel wire is continuously increased, and it is quick to corrosive environment that this also increases main push-towing rope steel wire simultaneously
Sense degree.Therefore, main push-towing rope corrosion degree and bearing capacity are grasped and understood in time, operation and maintenance meaning weight for suspension bridge
Greatly.
Utility model content
The purpose of this utility model is to provide a kind of monitoring probe and suspension cable bridge, can be realized to main push-towing rope on suspension bridge
The function that a variety of physical quantitys of steel wire monitor simultaneously.
The embodiments of the present invention are achieved in that
On the one hand the utility model embodiment provides a kind of monitoring probe comprising shell, resistance probe, integrated sensor
And circuit board, circuit board are arranged in shell, integrated sensor and resistance probe be arranged on circuit board and respectively with circuit board
Circuit structure connection, resistance probe and integrated sensor pass through the external collector of conducting wire respectively.
Optionally, integrated sensor includes temperature sensor, humidity sensor and baroceptor, for detection temperature respectively
Degree, humidity and air pressure signal.
It optionally, further include probe base, resistance probe is fixed by probe base.
Optionally, setting and the matched caulking groove of resistance probe shape, resistance probe are embedded in caulking groove in probe base, are visited
Needle fixing seat is connected on shell.
Optionally, insulated enclosure glue-line is respectively set in the inner surface and the outer surface of shell.
Optionally, the material of resistance probe is No. 20 carbon steels.
Optionally, the material of shell is resin.
The another aspect of the utility model embodiment provides a kind of suspension cable bridge, including main push-towing rope steel wire, collector and above-mentioned
Monitoring probe, monitoring probe is mounted on main push-towing rope steel wire, and main push-towing rope steel wire is equipped with reserved stomata, and the conducting wire of monitoring probe is from pre-
Stomata is stayed to stretch out, for acquiring the signal of main push-towing rope steel wire, conducting wire is connect with collector, and the output signal of monitoring probe is transmitted
To collector.
Optionally, conducting wire is connect by seal nipple with collector.
Optionally, the material of resistance probe is identical as the material of main push-towing rope steel wire.
Monitoring probe provided by the embodiment of the utility model includes shell, resistance probe, integrated sensor and circuit board, collection
It is arranged in shell at plate, integrated sensor and resistance probe are arranged on circuit board and connect respectively with the circuit structure of circuit board
It connects, resistance probe and integrated sensor pass through the external collector of conducting wire respectively.Monitoring probe provided by the embodiment of the utility model,
It is the stabilization of measurement result, reliable using precision resistance probe technique, the sensitive components of a variety of different types is integrated, it can be with
It realizes to pop one's head in for one and is provided simultaneously with the monitoring function of a variety of physical quantitys, and measurement progress is high, stability is good, the design of integrated form,
Both space, which can have been saved, can also be greatly reduced cost.
Suspension cable bridge provided by the embodiment of the utility model includes main push-towing rope steel wire, collector and above-mentioned monitoring probe, prison
Probing head is mounted on main push-towing rope steel wire, and main push-towing rope steel wire is equipped with reserved stomata, and the conducting wire of monitoring probe is stretched out from reserved stomata, is used
In the signal of acquisition main push-towing rope steel wire, conducting wire is connect with collector, and the output signal of monitoring probe is transferred to collector.This reality
The suspension cable bridge provided with new embodiment is able to achieve the real-time prison that corrosion rate and temperature and humidity, air pressure are carried out to main push-towing rope steel wire
It surveys, reflects the extent of corrosion and temperature and humidity, state of main push-towing rope steel wire, monitor the state of suspension cable bridge.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of monitoring probe provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the resistance probe of monitoring probe provided by the embodiment of the utility model；
Fig. 3 is the circuit diagram of the resistance probe of monitoring probe provided by the embodiment of the utility model.
Icon: 1- shell；2- integrated sensor；3- circuit board；4- resistance probe；5- probe base；6- conduit；7-
Monitor；A- electric current；RxResistance probe measures arm resistance；RfResistance probe reference arm resistance；U1- resistance probe reference arm electricity
Hinder voltage；U2- resistance probe measures arm resistive voltage.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can slightly incline
Tiltedly.It is not to indicate that the structure has to complete water if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is flat, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment one
Fig. 1 is please referred to, the utility model embodiment provides a kind of monitoring probe, comprising: shell 1, resistance probe 4, probe
Fixing seat 5, integrated sensor 2 and circuit board 3, circuit board 3 are arranged in shell 1, and integrated sensor 2 and resistance probe 4 are arranged
On circuit board 3, resistance probe 4 is fixed by probe base 5, and resistance probe 4 and integrated sensor 2 are respectively by outside conducting wire
Connect collector.
The monitoring probe of the present embodiment is used to monitor the gaseous corrosion of metal material, such as the main push-towing rope steel wire on suspension bridge, electricity
Resistance probe 4 is used to measure the resistance of tested systems metal, and resistance probe 4 is touched tested systems metal, tests tested systems
The resistance variations of metal export the data-signal measured to collector, after collector collects data-signal, root by conducting wire
It is calculated according to preset program, can obtain tested systems corrosion of metal rate.
Specifically, using the method for four-wire system measuring resistance come the test of optimized integration parameter, and ac-excited source technology is combined
With high-precision A V electric bridge (wheatstone bridge) principle, corrosion rate is calculated.Circuit and structure chart such as Fig. 2 of resistance probe 4 and
Shown in Fig. 3, test philosophy is: is calculated more than corrosion by measuring resistance variations of one section of tested systems metal in corrosion process
Amount.As the sectional area of tested systems metal is gradually reduced, resistance is also gradually increased, and measures micro resistance using AV electric bridge
Variable quantity, so that it may calculate the Reducing thickness of tested systems metal, and then obtain corrosion rate.
As shown in Fig. 2, the monitoring probe measuring process of the present embodiment is that monitor 7 is linked into this implementation after the installation is completed
The monitoring probe of example can directly read out the resistance value of resistance probe 4 by measuring circuit built in monitor 7 in real time, and logical
Crossing built-in algorithm can be read directly out corrosion rate value.
As shown in figure 3, resistance probe measures arm resistance RxWith resistance probe reference arm resistance RfRespectively in monitor 7
Measuring circuit measures arm resistive voltage U2, resistance probe reference arm by acquisition resistance probe to the monitoring port of resistance probe 4
Resistive voltage U1 measures arm resistance R with resistance probe is flowed throughxWith resistance probe reference arm resistance RfElectric current A, calculate resistance spy
The resistance value of needle 4, and then obtain resistance probe and measure arm resistance RxWith resistance probe reference arm resistance RfResistance ratio change rule
Rule measures arm resistance R by resistance probexWith resistance probe reference arm resistance RfResistance ratio so that obtain resistance probe 4
The two parameters of corrosion rate and etching extent.Pass through current measured body known to the corrosion rate (unit um/a) of resistance probe 4
The speed of the corrosion of system under the present circumstances, and under the present circumstances by current tested systems known to etching extent (unit um)
The thickness being corroded reflects the practical corrosion condition of tested systems metal by the corrosion condition of resistance probe 4 indirectly.
A part of resistance probe 4 is arranged on circuit board 3, and setting is matched with 4 shape of resistance probe in probe base 5
Caulking groove, probe is fixed in probe base 5 by caulking groove；Another part of resistance probe 4 stretches out circuit board 3, is used for
Contact tested systems metal is monitored.
Integrated sensor 2 includes temperature sensor, humidity sensor and baroceptor, for detecting temperature, wet respectively
Degree and air pressure signal.Temperature sensor, humidity sensor and baroceptor are integrated on circuit board 3, it can be achieved that a prison
Probing head is provided simultaneously with temperature, humidity and the monitoring function of air pressure.
Resistance probe 4, temperature sensor, humidity sensor and baroceptor pass through respective conducting wire respectively and are monitored
To signal send external collector to, multiple receiving ports are set on collector, respectively receive resistance probe 4, temperature pass
The signal of sensor, humidity sensor and baroceptor monitoring, the conducting wire of resistance probe 4, the conducting wire of temperature sensor, humidity pass
The conducting wire of sensor and the conducting wire of baroceptor are arranged in conduit 6.
Monitoring probe provided by the embodiment of the utility model, using 4 technology of precision resistance probe, the stabilization of measurement result,
Reliably, there is high susceptibility and resolution ratio, the gaseous corrosion suitable for metal material continuously monitors, while having warm and humid
Degree, air pressure acquisition function, are able to reflect tested systems corrosion of metal degree situation.Probe integrates the quick of a variety of different types
Feel component, the monitoring function that a probe is provided simultaneously with a variety of physical quantitys may be implemented, and measurement progress is high, stability is good,
The design of integrated form, can both save space can also be greatly reduced cost.
Optionally, insulated enclosure glue-line is respectively set in the inner surface and the outer surface of shell 1.
The inner surface and the outer surface of shell 1 fills electric insulating sealant, it is ensured that the leakproofness and insulating properties of monitoring probe,
Application environment suitable for the complexity such as bridge.
Further, mounting hole is set on shell 1.
Monitoring probe structure size is small and exquisite, and the reserved mounting hole that band can be made to pass through in monitoring probe two sides is suitable for such as bridge
The installation and application of the small space of Liang Zhulanchu.
Optionally, the material of resistance probe 4 is No. 20 carbon steels.
No. 20 carbon steels belong to mild steel, for requiring the stronger part of toughness.The resistance probe made of No. 20 carbon steels
4, good toughness, the detection suitable for complex environment.
Optionally, the material of shell 1 is ABS resin.
ABS resin refers to that acrylonitrile-butadiene-styrene copolymer, ABS are Acrylonitrile Butadiene
The acronym of Styrene is a kind of intensity height, good toughness, thermoplastics type's high molecular material easily processed into type.For
Prepare the various parts such as instrument, electrical, electric appliance, machinery.
Embodiment two
The utility model embodiment provides a kind of suspension cable bridge, including main push-towing rope steel wire, collector and above-mentioned monitoring probe,
Monitoring probe is mounted on main push-towing rope steel wire, and main push-towing rope steel wire is equipped with reserved stomata, and the conducting wire of monitoring probe is stretched out from reserved stomata,
For acquiring the signal of main push-towing rope steel wire, conducting wire is connect with collector, and the output signal of monitoring probe is transferred to collector.
There are the mounting hole that band can be made to pass through in monitoring probe two sides, and entire monitoring probe is tightly attached to main push-towing rope steel wire surface, with
Main push-towing rope actual environment is consistent, and monitoring probe passes through 1 two sides of shell by band and is bundled on main push-towing rope, and conducting wire reserves stomata from main push-towing rope
It stretches out, connects seal nipple, access collector forms complete corrosion monitoring system.
Monitoring probe is fixed in the gap between main push-towing rope gas folder inner wall and main push-towing rope steel wire, is suitable for narrow at bridge main push-towing rope
The installation and application in space.
Suspension cable bridge provided by the embodiment of the utility model, using 4 technology of precision resistance probe, the stabilization of measurement result,
Reliably, it is continuously monitored suitable for hanging the gaseous corrosion of latch bridge beam main push-towing rope steel wire, while having the function of temperature and humidity, air pressure acquisition, energy
Corrosion rate and temperature and humidity, the real-time monitoring of air pressure are carried out, reflects the extent of corrosion and temperature and humidity, state of main push-towing rope steel wire.
Specifically, resistance probe 4 is used to measure the resistance variations of main push-towing rope steel wire, and temperature sensor, humidity sensor are gentle
Pressure sensor for respectively detect main push-towing rope steel wire environment temperature, humidity and air pressure signal, then by conducting wire by signal export to
Collector, collector handle signal, obtain corrosion rate, temperature and humidity and the number of air pressure according to the calculation procedure of setting
According to completion monitoring carries out data preparation for the protection of subsequent bridge.
Optionally, the material of resistance probe 4 is identical as the material of main push-towing rope steel wire.
The material and specification of resistance probe 4 can be selected according to practical application condition, generally be protected with live main push-towing rope steel wire
It holds consistent.It is convenient in this way that main push-towing rope steel wire is monitored.
Resistance probe 4 monitors the corrosion rate principle of tested metal (being the main push-towing rope steel wire of suspension cable bridge in the present embodiment)
Are as follows: corrosion thinning occurs for the wire of resistance probe 4, close to identical external environment and under the conditions of, respectively while measuring electricity
It hinders probe and measures arm resistance RxWith resistance probe reference arm resistance Rf.Because of resistance probe reference arm resistance RfIt is very thin by one layer
The covering of coated with thermally conductive glue, it is believed that it is not corroded in such circumstances, temperature suffered by resistance probe 4 and main push-towing rope steel wire,
The environment that air pressure etc. influences resistance variations is essentially identical, it can thus be assumed that mainly the factor of resistance difference is caused to be exactly to corrode.It is logical
Cross monitoring resistor probe measurement arm resistance R respectivelyxWith resistance probe reference arm resistance Rf, acquire resistance probe measurement arm resistance Rx
With resistance probe reference arm resistance RfResistance ratio and resistance probe reference arm resistance RfThe two basic test parameters.Obtain electricity
It hinders probe and measures arm resistance RxWith resistance probe reference arm resistance RfResistance ratio, will affect resistance variations common factor (temperature
Degree, air pressure etc.) isolation, difference sexual factor i.e. corrosion factor is left behind, arm resistance R is measured by processing resistance probexAnd resistance
Tip reference arm resistance RfResistance ratio so that obtain corrosion rate and the two parameters of etching extent.Pass through resistance probe 4
Corrosion rate (unit um/a) known to the corrosion of current tested systems under the present circumstances speed, and pass through resistance probe 4
Etching extent (unit um) known to the thickness that is corroded under the present circumstances of current tested systems.
Reflect the practical corrosion condition of main push-towing rope steel wire indirectly by the corrosion condition of resistance probe 4, if timing resistor is visited
Metal material, application environment of needle 4 etc. should be completely the same with main push-towing rope steel wire, most could really reflect its etch state.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of monitoring probe characterized by comprising shell, resistance probe, integrated sensor and circuit board, it is described integrated
Plate is arranged in the shell, the integrated sensor and the resistance probe be arranged on the circuit board and respectively with it is described
The circuit structure of circuit board connects, and the resistance probe and the integrated sensor pass through the external collector of conducting wire respectively.
2. monitoring probe according to claim 1, which is characterized in that the integrated sensor includes temperature sensor, wet
Sensor and baroceptor are spent, for detecting temperature, humidity and air pressure signal respectively.
3. monitoring probe according to claim 1, which is characterized in that further include probe base, the resistance probe is logical
The probe base is crossed to fix.
4. monitoring probe according to claim 3, which is characterized in that setting is visited with the resistance in the probe base
The matched caulking groove of aciculiform shape, the resistance probe are embedded in the caulking groove, and the probe base connection is on the housing.
5. monitoring probe according to claim 1, which is characterized in that the inner surface and the outer surface of the shell is respectively set
Insulated enclosure glue-line.
6. monitoring probe according to claim 1, which is characterized in that the material of the resistance probe is No. 20 carbon steels.
7. monitoring probe according to claim 1, which is characterized in that the material of the shell is resin.
8. a kind of suspension cable bridge, which is characterized in that including described in main push-towing rope steel wire, collector and the claims any one of 1-7
Monitoring probe, the monitoring probe is mounted on the main push-towing rope steel wire, and the main push-towing rope steel wire is equipped with reserved stomata, the prison
The conducting wire of probing head is stretched out from the reserved stomata, for acquiring the signal of the main push-towing rope steel wire, the conducting wire and the acquisition
Device connection, is transferred to the collector for the output signal of the monitoring probe.
9. suspension cable bridge according to claim 8, which is characterized in that the conducting wire passes through seal nipple and the collector
Connection.
10. suspension cable bridge according to claim 8, which is characterized in that the material of the resistance probe and the main push-towing rope steel
The material of silk is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920159214.1U CN209471028U (en) | 2019-01-29 | 2019-01-29 | Monitoring probe and suspension cable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920159214.1U CN209471028U (en) | 2019-01-29 | 2019-01-29 | Monitoring probe and suspension cable bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209471028U true CN209471028U (en) | 2019-10-08 |
Family
ID=68094390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920159214.1U Active CN209471028U (en) | 2019-01-29 | 2019-01-29 | Monitoring probe and suspension cable bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209471028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505056A (en) * | 2020-04-17 | 2020-08-07 | 江苏中矿大正表面工程技术有限公司 | All-weather online monitoring system and method for bridge cable corrosion |
| CN114441433A (en) * | 2022-02-11 | 2022-05-06 | 浙江钱浪智能信息科技有限公司 | Resistance probe for corrosion monitoring |
-
2019
- 2019-01-29 CN CN201920159214.1U patent/CN209471028U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505056A (en) * | 2020-04-17 | 2020-08-07 | 江苏中矿大正表面工程技术有限公司 | All-weather online monitoring system and method for bridge cable corrosion |
| WO2021208539A1 (en) * | 2020-04-17 | 2021-10-21 | 江苏中矿大正表面工程技术有限公司 | Bridge cable corrosion all-weather on-line monitoring system and method |
| CN114441433A (en) * | 2022-02-11 | 2022-05-06 | 浙江钱浪智能信息科技有限公司 | Resistance probe for corrosion monitoring |
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