MONITORING DEVICE AND METHOD FOR MONITORING CORROSION OF A WIRE NET

Description

State of the art

[0001] The invention relates to a wire network monitoring device and a method for monitoring corrosion of a wire network.

[0002] The object of the invention is, in particular, to provide a generic device and a method with advantageous safety characteristics. This object is achieved according to the invention by the features of claims 1 and 14, while advantageous embodiments and further developments of the invention can be found in the dependent claims. Advantages of the invention

[0003] The invention relates to a wire mesh monitoring device for a wire mesh, in particular for a protective net for stabilizing, especially static structures, and / or for lifting and / or intercepting and / or retaining heavy loads, with at least two interlocking mesh elements, of which at least one mesh element is made of at least one single wire, a wire bundle, a wire strand, a wire rope and / or another longitudinal element with at least one wire, in particular made of high-strength steel.

[0004] The wire mesh monitoring device includes at least one corrosion monitoring unit designed to monitor at least one corrosion indicator. This allows for the provision of particularly advantageous properties, especially of the wire mesh, with regard to safety. Advantageously, the protective effect and / or durability of a wire mesh, particularly of a wire mesh installation, can be monitored, thereby preventing malfunctions. In particular, it allows for the straightforward determination of the service life of a wire mesh; specifically, the end of a service life can be determined and / or the remaining service life can be estimated.Furthermore, remote monitoring can be advantageously enabled, thus replacing direct on-site monitoring by a person. This can reduce costs, workload, and / or accident risks, especially since wire mesh is often installed in inaccessible and unsafe locations. Additionally, data on site-specific corrosion can be advantageously collected, allowing for the adaptation of wire mesh properties to specific environmental conditions in future wire mesh installations at comparable locations. This can significantly improve efficiency. Moreover, it is conceivable that the monitoring device could be used to determine and / or estimate the corrosiveness of a site independently of a wire mesh, particularly prior to its installation.Advantageously, the corrosion monitoring unit can be set up independently of a wire mesh at the site, and in particular, the corrosion indicator measured can be used to determine the corrosiveness of the environment at that location. This allows for a preliminary assessment of site conditions, which in turn optimizes the design of a structure, such as a protective net, at that location.

[0005] In particular, wire mesh is used as slope stabilization, safety fencing, debris barriers, rockfall protection nets, barrier fences, fish farming nets, predator protection nets, enclosure fences, tunnel protection, landslide protection, motorsport safety fencing, road fences, avalanche protection, and similar applications. Due to its high strength and / or load-bearing capacity, it is also suitable for covering and / or encasing structures such as power plants, factories, residential buildings, and other buildings, as well as for explosion protection, projectile protection, shielding against flying objects, safety nets, crash barriers, and similar purposes. The wire mesh can be laid, arranged, and / or mounted horizontally, vertically, or diagonally, especially relative to a substrate. In particular, the wire mesh is typically laid flat.Advantageously, the wire mesh is regularly structured and / or periodically in at least one direction. "Heavy loads" shall be understood to mean, in particular, preferably single-piece loads weighing at least 1 kg, preferably at least 10 kg, preferably at least 100 kg, or most preferably at least 1000 kg. "Single-piece" shall be understood to mean, in particular, formed in one piece.

[0006] A "network element" is understood to be, in particular, a basic element of the wire mesh, preferably the protective mesh, which, by interlocking with adjacent basic elements, forms the wire mesh, especially the protective mesh. The network element is, in particular, designed as a filament-like structure, especially a wire structure, for example, consisting of at least one single wire, at least one wire bundle, at least one strand of wire, and / or at least one wire rope. The filament-like structure, especially the wire structure, may, in particular, have two open ends or be closed. Preferably, the filament-like structure, especially the wire structure, lies, in an unloaded state, at least substantially in one plane.The net element can, in particular, have an irregular shape or, preferably, a regular shape, which at least partially represents the shape of a circle, a rhombus, and / or a uniform and / or irregular polygon. In particular, different net elements of the safety net can have different shapes; however, preferably the net elements have at least substantially the same shape. Preferably, the net element is designed as a helix, in particular a flattened helix, or as a ring, in particular a wire ring. In particular, the net element forms at least a portion of a ring net or a helix of a mesh net. Preferably, "at least substantially the same" is understood to mean identical, apart from manufacturing tolerances and / or within the scope of manufacturing possibilities.

[0007] Advantageously, the wire, in particular the wire bundle, wire strand, wire rope, and / or the other longitudinal element with the at least one wire, is made entirely of high-strength steel, at least partially, and in particular apart from a coating. Preferably, the wire is a high-strength steel wire. For example, the high-strength steel can be spring steel and / or wire steel and / or a steel suitable for wire ropes. In particular, the wire has a tensile strength of at least 800 N / mm², advantageously at least 1000 N / mm², particularly advantageously at least 1200 N / mm², preferably at least 1400 N / mm², and particularly preferably at least 1600 N / mm², and in particular a tensile strength of about 1770 N / mm² or about 1960 N / mm².It is also conceivable that the wire has an even higher tensile strength, for example, a tensile strength of at least 2000 N / mm², or at least 2200 N / mm², or even at least 2400 N / mm². This allows for high load-bearing capacity, in particular high tensile strength and / or high stiffness perpendicular to the wire mesh. Furthermore, advantageous bending properties can be achieved. In particular, the wire, preferably a plurality of wires, is intended to form, at least partially, a wire mesh, in particular consisting of mesh elements, preferably coils and / or rings. "Intended" is understood to mean, in particular, specifically programmed, designed, and / or equipped. The fact that an object is intended for a specific function is understood to mean, in particular, that the object fulfills and / or performs this specific function in at least one application and / or operating condition.The corrosion indicator comprises at least one property that can be influenced by corrosion, in particular a material property and / or material condition, especially of at least a part of the wire mesh and / or at least a part of an element formed separately from the wire mesh, which is indicative of corrosion of the wire mesh and / or preferably is exposed to at least substantially identical environmental and / or weather conditions as the wire mesh. Preferably, the corrosion indicator allows for the determination of the status, and, according to the invention, the, in particular, momentary, severity and / or progress of corrosion, especially of at least a part of the wire mesh.The corrosion indicator comprises, in particular, at least one surface coloration, for example, a rust coloration, at least one surface finish, at least one weight loss, at least one tensile strength, at least one oscillation frequency, in particular a resonant oscillation frequency, an electrical conductivity and / or an ohmic resistance of at least one part of the wire of the wire mesh and / or at least one part of the element formed separately from the wire mesh, and / or preferably a current flow, in particular between at least two electrodes, preferably formed separately from the wire mesh. The corrosion monitoring unit is specifically designed to detect, record, and / or preferably sensing the corrosion indicator and, in particular, to make it accessible to a user and / or automatically compare it with a database to assess the condition, functionality, and / or safety of the wire mesh.

[0008] The corrosion monitoring unit comprises at least one corrosion control element, which is designed to provide at least partial information for determining the corrosion indicator. This advantageously enables simple corrosion determination, thereby increasing the safety, particularly of a monitored wire mesh. Furthermore, the corrosion control element can advantageously be positioned at a plurality of locations within the wire mesh, preferably of arbitrarily selectable positions. Preferably, the corrosion control element is designed to be separate from the wire mesh. In particular, the corrosion control element is free from any electrically conductive contact with the wire mesh. Alternatively, it is conceivable that the corrosion control element is designed as a sacrificial anode.According to the invention, the corrosion control element is exposed to at least substantially identical environmental and / or weather conditions as at least a portion of the wire mesh. In particular, the corrosion control element is at least partially designed to corrode, wherein corrosion, in particular a stage, severity, and / or progression of corrosion, of the corrosion control element is indicative of corrosion, in particular a stage, severity, and / or progression of corrosion, of at least a portion of the wire mesh. Corrosion includes, in particular, white rust, red rust, and / or other oxidizing, in particular material-removing, and / or material-property-altering chemical and / or physical processes, for example, strength and / or brittleness. In particular, the corrosion control element can form a corrosion cell.

[0009] According to the invention, the corrosion control element is at least partially designed as an ACM (Atmospheric Corrosion Monitor) sensor.

[0010] This advantageously enables simple and / or reliable corrosion determination, thereby increasing safety, particularly of a monitored wire mesh. Advantageously, a current flow proportional to corrosion, especially material loss, particularly of a coating, of the corrosion control element can be achieved. From this, a time-dependent profile of material loss, an instantaneous material loss, and / or the current residual material thickness of the corrosion control element and / or its coating can be determined. Advantageously, by determining the time-dependent profile of material loss over a sufficiently long period, for example, one or more years, the time required for complete material loss of a specific thickness can be extrapolated. This advantageously enables a service life estimation of a wire mesh.In particular, the ACM sensor is designed to determine the corrosivity of an environment and / or corrosion rates, especially the erosion rates of metals and / or alloys, according to the invention, by means of a galvanic current flowing between the metals and / or alloy. According to the invention, the ACM sensor comprises at least two electrodes which are electrically insulated from each other in the dry state. The electrodes are, in particular, at least partially made of different materials, preferably metals of different nobility. It is claimed that at least the anode-forming electrode has at least one coating, whereby the surface materials of at least two electrodes differ. According to the invention, the surface materials are made of metals of different nobility. Advantageously, at least one electrode is substantially identical to at least a segment of a wire in the wire mesh.This advantageously allows for the best possible transferability of the material loss measured on the corrosion control element to the material loss of the wire mesh. Advantageously, at least one further electrode of the ACM sensor is at least partially made of a more noble material than the electrode that is essentially identical to the section of wire. The more noble material can, in particular, include steel, silver, gold, cobalt, nickel, copper, platinum, palladium, another element above zinc in the electrochemical series, and / or an alloy above zinc in the electrochemical series. In particular, the electrodes, especially those with different surface materials, are arranged without contact with each other. Specifically, the electrodes, especially those with different surface materials, are free from direct electrical contact with each other.According to the invention, the electrodes, in particular the electrodes with different surface materials, are electrically contacted in a wet state via water droplets forming an electrolyte. According to the invention, a galvanic current flows when the electrodes are electrically contacted. The galvanic current flow causes, in particular, material removal and / or corrosion of the less noble electrode. The current flow is advantageously proportional to the material removal. The presence and / or properties, in particular corrosion properties, of the electrolyte depend, in particular, on the environmental conditions to which the corrosion control element is exposed at a given time, thus advantageously allowing conclusions to be drawn about the corrosiveness of the environmental conditions at that time.

[0011] Furthermore, it is proposed that the corrosion control element be designed as a rod indicator with a plurality of differently coated corrosion control rods. This advantageously enables simple and / or cost-effective corrosion determination, thereby advantageously increasing the reliability, particularly of a monitored wire mesh. The rod indicator has, in particular, holders for at least two, preferably at least four, more preferably at least six, and most preferably at least eight corrosion control rods. The rod indicator is specifically designed to hold the corrosion control rods in such a way that the corrosion control rods are exposed to essentially identical corrosion as the wire mesh being monitored. In particular, the corrosion control rods have at least one coating, each with a different coating thickness.Preferably, the corrosion control rods in the rod indicator are arranged in ascending and / or descending order of coating thickness. In particular, the coating thickness of the corrosion control rod with a maximum coating thickness is essentially identical to the coating thickness of a wire in the wire mesh being monitored. This advantageously allows for good transferability of corrosion observed on the rod indicator to the condition of the wire mesh being monitored. The coating thicknesses of the other corrosion control rods are lower, for example, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, and / or 90% of the maximum coating thickness. Alternatively, the corrosion control sticks have zinc coatings with coating thicknesses of 25 g / m², 50 g / m², 100 g / m², 150 g / m², 200 g / m², 250 g / m² and 300 g / m² or 5 g / m², 10 g / m², 20 g / m², 40 g / m², 80 g / m², 160 g / m² and 320 g / m².Furthermore, it is conceivable that at least one corrosion control rod has a coating thickness greater than that of the wire in the wire mesh being monitored. Advantageously, the progress and / or status of corrosion can be easily determined by visual inspection of the rod indicator. In particular, the progress and / or status of corrosion can be determined by examining a number of corrosion control rods that exhibit signs of corrosion, such as white rust and / or red rust, after a specific exposure time. It is also conceivable that the rod indicator could be installed independently of a wire mesh and / or prior to the planned installation of a wire mesh at a specific location, particularly for assessing the corrosiveness of the environment.This allows for the advantageous optimization of a wire mesh prior to installation, for example, by adjusting the coating thickness to the corrosion expected at the location. Furthermore, a rod indicator, particularly corrosion control rods, can consist of different materials, such as stainless steel, and / or different coating materials. This allows, for example, the selection of a suitable material and / or coating material for a specific location. The corrosion control rods preferably have a shape at least substantially identical to a section of the wire in the wire mesh being monitored, particularly a rod shape. This advantageously ensures good transferability of the test results to the wire mesh.Alternatively, the corrosion control rods could have a shape other than a rod, for example, a rod shape with at least one bend, a plate shape, a sphere shape, a cuboid shape, and / or another geometric shape different from a rod. The rod indicator can advantageously be monitored by a camera of the corrosion monitoring unit. Alternatively or additionally, the rod indicator could be inspected by a user, for example, periodically, and / or the corrosion progress of the individual corrosion control rods could be documented, particularly manually. Alternatively or additionally, the rod indicator could be photographed, preferably periodically, by a camera drone, particularly an automated and / or manually operated one, to assess the corrosion progress.This can advantageously eliminate the need for cabling, radio communication and / or an operator having to walk through potentially difficult terrain, thereby reducing costs and / or the risk of injury.

[0012] Furthermore, it is proposed that the corrosion monitoring unit include at least one data transmission module, which is specifically designed to output at least one determined corrosion indicator. This advantageously allows for a high degree of user-friendliness, for example, by making the corrosion indicator available for further electronic processing and / or user review via the data transmission module. It is conceivable that data, particularly corrosion indicators, could be transmitted via the data transmission module to at least one computing unit, such as a central server, a local hub, and / or an internal computing unit of the corrosion monitoring unit, for example, a control unit of the corrosion monitoring unit.This computing unit is specifically designed to process, analyze, record, collect and / or, in particular graphically, display the data, especially the corrosion indicators.

[0013] Furthermore, it is proposed that the corrosion monitoring unit includes at least one data logger module designed to record at least one output from the data transmission module. This advantageously allows the determination and / or monitoring of the temporal progression and / or development of a corrosion indicator, particularly corrosion itself. Preferably, the data logger module stores the corrosion indicator in a database of a storage unit. The storage unit can be configured, in particular, as an internal storage unit of the corrosion monitoring unit, for example, the control unit, or as an external storage unit, for example, the processing unit. Preferably, a data logger module is designed to record data, particularly corrosion indicators, from a plurality of corrosion monitoring units and / or monitoring devices.This allows for the advantageous creation of a central database, which in turn provides a clear overview. It is conceivable that the data logger module is at least designed to process the recorded data for graphical representation, which can then be displayed as a graphical overview on a display unit, such as a screen. For example, it is conceivable that the data stored by the data logger module could be used to create a user-friendly overview map showing various wire meshes at different locations, along with their respective status, severity, and / or corrosion progression. Wire meshes nearing the end of their service life and / or heavily corroded could be highlighted on the overview map, for example, by color coding.

[0014] It is further proposed that the corrosion monitoring unit include at least one communication module, which is designed to communicate data output by the data transmission module, in particular notifications regarding the progress, severity, and / or status of corrosion, preferably warning and / or status messages regarding the progress, severity, and / or status of corrosion, preferably automatically, to an external receiver, for example, a smartphone, and in particular to send this information automatically via a telecommunications connection. This advantageously enhances user-friendliness, especially by providing remote users with up-to-date information at all times.Furthermore, the safety of the monitored wire network can be advantageously ensured, particularly by enabling timely notification of corrosion damage to a responsible person. A warning message allows a responsible person to obtain timely and efficient information about the condition of wire networks, for example, without having to study measurement results. Preferably, the communication module has radio capability, particularly mobile communication capability. Specifically, the communication module communicates using a mobile communication protocol, such as EDGE, GPRS, HSCSD, and / or preferably a GSM mobile communication protocol.Preferably, in addition to the data output by the data transmission module, the communication module transmits further data, such as location, time, battery level, operating status, environmental parameters, and / or weather parameters. A notification may, in particular, include at least one email, at least one SMS, at least one photo, at least one video file, and / or at least one internet data transmission, for example, via an internet program such as a newsfeed, WhatsApp, and / or Skype. In particular, automated sending occurs periodically and / or after the occurrence of a predefined event, such as exceeding and / or falling below a threshold. An "external receiver" may, in particular, be at least one mobile phone, especially a smartphone.Alternatively or additionally, the external receiver can be a drone located in the vicinity of the communication module. A warning message can be a text message, an image message, and / or a warning signal such as an audible alarm and / or a warning light. For example, a wired network installation could have at least one warning light that flashes upon receiving a warning message. This would allow for the easy identification of corroded and / or unsafe wires within a wired network installation with multiple wires.

[0015] Furthermore, it is proposed that the corrosion monitoring unit include at least one correction module designed to detect and / or correct potentially occurring systematic errors during corrosion monitoring, particularly during corrosion indicator measurements. This advantageously achieves high reliability and / or accuracy. In particular, it makes the monitoring device suitable for locations where conditions predominate that can lead to systematic errors, such as drift in a measurement signal, especially that of the corrosion indicator. For example, in a saline environment, salt deposits can form on the corrosion indicator, which can affect conductivity measurements.For example, temperature fluctuations can influence a measured value of a current and / or voltage waveform, particularly a detector, such as a current and / or voltage detector. The correction module is specifically designed to detect systematic errors based on the time-dependent signal profile of the corrosion indicator and / or with the aid of additional sensor data, such as temperature data.

[0016] Furthermore, it is proposed that the corrosion monitoring unit include at least one electrical sensor unit designed to monitor at least one corrosion indicator. This allows for the advantageous determination of a corrosion measurement, particularly automatically. In particular, the electrical sensor unit is advantageously readable electrically, especially automatically, enabling continuous monitoring, especially remote monitoring. Advantageously, the electrical sensor unit can operate independently of an operator, thereby reducing costs, labor, and the risk of accidents.In particular, the electrical sensor unit comprises a camera, a tension unit for applying a mechanical stress to a corrosion element and / or a corrosion control element, a vibration unit for generating and / or detecting a vibration frequency, in particular a resonant vibration frequency of a corrosion element and / or a corrosion control element, a voltage measuring unit and / or a resistance measuring unit.

[0017] Furthermore, it is proposed that the electrical sensor unit include at least one zero-ohm current meter. This advantageously allows current flow to be measured without applying a voltage that could potentially promote corrosion. In particular, this enables the reliable measurement of a galvanic current flowing between two electrodes, thus advantageously allowing the determination of a current value of an ACM sensor that is proportional to material removal. A zero-ohm current meter advantageously possesses a minimal intrinsic resistance, which is usually negligible for measurement purposes. It is also proposed that the corrosion indicator includes at least an electrical conductivity measurement of a corrosion cell, at least an electrical resistance measurement of a corrosion cell, and / or at least a current flow measurement between at least two electrodes. This advantageously allows the determination of a reliable measurement parameter for corrosion.This advantageously allows for a high level of safety for the wire network being monitored. In particular, the electrical resistance of a corrosion cell increases as corrosion progresses. Conversely, the electrical resistance decreases as corrosion progresses. In particular, the current flow is proportional to the material removal rate of at least one electrode, especially the corrosion cell. The corrosion cell is specifically designed to provide at least one measuring point, at least one measuring surface, and / or at least one measuring location for measuring the corrosion indicator, particularly by means of the electrical sensor unit. The corrosion cell can, in particular, at least partially form at least one electrode of the ACM sensor. Preferably, the corrosion cell forms at least a partial anode, particularly of the ACM sensor.The additional electrode is, in particular, at least partially configured as a cathode of the ACM sensor. The cathode is, in particular, at least partially configured as a less noble material than the anode. Preferably, the electrical sensor unit always and / or exclusively measures the corrosion indicator at the same corrosion element and / or at the same corrosion elements. This advantageously enables monitoring of the corrosion indicator's development over time. It is conceivable that the corrosion element is configured as a corrosion control element separate from the wire mesh, which is free from electrical contact with the wire mesh, and / or as at least a part of the wire mesh, in particular a wire of the wire mesh, which may be identical and / or different from other wires of the wire mesh.

[0018] Furthermore, it is proposed that the corrosion indicator includes at least the electrical conductivity of a coating on a corrosion element, at least the electrical resistance of a coating on a corrosion element, and / or at least the current flow between at least one coating on at least one corrosion element and at least one other electrode. This advantageously allows for the determination of a reliable measurement of corrosion, which can be directly correlated with the corrosion of the wire network, particularly the corrosion of the wire network's protective coating. This, in turn, advantageously enables a high level of safety for the monitored wire network.

[0019] According to the invention, the coating of the electrode forming the anode is designed as a zinc coating, a zinc-aluminium coating and / or a zinc-aluminium-magnesium coating, which is essentially identical to a coating of at least part of the wire mesh.

[0020] Preferably, the coating of the corrosion element, in particular the corrosion control element, has a layer thickness that is at least substantially identical to that of at least a portion of the coating of at least a portion of the wire mesh, in particular at least a portion of the wire of the wire mesh. Alternatively, it is conceivable that the corrosion control element is designed as a leading indicator. In the case of the leading indicator, the layer thickness of the coating of the corrosion control element is, in particular, significantly smaller than the layer thickness of the coating of the wire. "Significantly smaller" is understood to mean, in particular, at least 10% smaller, preferably at least 25% smaller, more preferably at least 33% smaller, or most preferably at least 50% smaller.This allows corrosion of the corrosion control element to be detected advantageously before corrosion of the wire of the wire mesh, thus enabling early detection of corrosion. Preferably, the coating of the corrosion element, in particular the corrosion control element, has at least substantially the same material properties as at least part of the coating of at least part of the wire mesh, in particular at least part of the wire of the wire mesh. Preferably, the coating of the corrosion element, in particular the corrosion control element, has at least substantially the same surface curvature as at least part of the coating of at least part of the wire mesh, in particular at least part of the wire of the wire mesh.Preferably, the coating of the corrosion element, in particular the corrosion control element, has a surface finish that is at least substantially identical to that of at least part of the coating of at least part of the wire mesh, in particular at least part of the wire of the wire mesh.

[0021] Furthermore, it is proposed that a coating of a corrosion element, and according to the invention a corrosion control element, be designed at least substantially identically to a corrosion protection coating of at least one wire of a wire network to be monitored. This advantageously allows a reliable measurement parameter for corrosion to be determined, which can be directly related to the corrosion of the wire network, in particular the corrosion of the corrosion protection layer of the wire network. This advantageously achieves a high level of reliability for the wire network to be monitored. In addition, it advantageously enables better transferability of the measurement results from the corrosion element to the wire network.

[0022] If the monitoring device has at least one electrical insulator, particularly one that at least partially limits the spatial extent of current flow through, and especially within, at least one corrosion element, the measurement of the corrosion indicator, and in particular the accuracy of the measurement of the corrosion indicator, can be advantageously optimized, especially by limiting the current flow on the areas of the corrosion indicator most susceptible to corrosion, for example, surface areas of the corrosion indicator. This advantageously allows for a high level of safety for the wire network being monitored. The electrical insulator can, in particular, be configured as at least one insulating core inside the corrosion element, especially the corrosion control element.Alternatively, the insulator could be configured as at least one insulating intermediate layer of the corrosion element, particularly the corrosion control element. The insulating intermediate layer could, in particular, electrically isolate an inner wire, for example made of high-strength steel, from a coating. Preferably, the insulator limits a current flow, especially one used for determining the corrosion indicator. More preferably, the insulator limits the current flow to a part of a corrosion element, particularly a corrosion control element, that is particularly exposed to corrosion, for example, an outer part and / or a coating, particularly an outer one. In particular, the spatial limitation is in a radial direction of a corrosion element, particularly a corrosion control element.In particular, the insulator differs from an external insulating coating, for example, an organic coating on a wire. Specifically, the insulator differs from a corrosion element and / or insulating end caps that longitudinally terminate a wire. Preferably, the coating exhibits good adhesion to the insulator, which is at least 80%, preferably at least 90%, advantageously at least 100%, preferably at least 120%, and particularly preferably at least 150% of the adhesion of the coating on, in particular, high-strength steel. In a preferred embodiment, the insulator is designed to electrically isolate the corrosion element, in particular the corrosion control element, which in particular forms an anode of the ACM sensor, from at least one electrode of the ACM sensor, in particular the cathode.The electrical insulator is at least partially configured as an air gap separating the electrodes. Preferably, the minimum distance formed by the air gap between two electrodes, particularly between a cathode and an anode of the ACM sensor, is at least less than 0.2 mm, preferably at least less than 0.15 mm, more preferably at least less than 0.1 mm, and most preferably at least greater than 0.05 mm. In a dry state, the cathode and anode are therefore advantageously electrically insulated and essentially free from material loss. In a wet state, the cathode and anode are in electrical contact, and the resulting current flow, which may lead to material loss, depends on the composition of the electrolyte.

[0023] Furthermore, it is proposed that the electrical insulator be arranged at least partially within the interior of the corrosion element. This advantageously limits the current flow to an outer layer and / or coating of the corrosion element, particularly the corrosion control element. Preferably, the electrical insulator is completely surrounded by at least one conductive, particularly metallic, part of the corrosion element, particularly the corrosion control element.

[0024] Furthermore, it is proposed that the corrosion control element, in its initial state, has an outer cross-section that is at least substantially identical to the outer cross-section of a wire in the wire mesh to be monitored in its as-delivered condition. This advantageously allows for the determination of a reliable measurement parameter for corrosion, which can be directly correlated with the corrosion of the wire mesh, particularly the corrosion of its protective coating. This, in turn, advantageously achieves a high level of safety for the wire mesh being monitored. In particular, this allows for at least substantially identical effects of surface curvature and / or surface tension on the corrosion of the corrosion control element and the wire of the wire mesh.This advantageously allows for better transferability of the measurement results from the corrosion control element to the wire mesh. An "initial state" and / or a "delivery state" is understood to mean, in particular, an uncorroded state. An "outer cross-section" is understood to mean, in particular, the contour of a cross-section of an outermost layer that bounds the corrosion control element and / or the wire in the radial direction, wherein the cross-section is, in particular, perpendicular to a longitudinal direction of the corrosion control element and / or the wire.

[0025] Furthermore, it is proposed that the corrosion monitoring unit comprises at least one additional corrosion control element, preferably at least two additional corrosion control elements, and preferably at least a plurality of additional corrosion control elements, wherein, in particular, the additional corrosion control element(s) are at least substantially identical to the corrosion control element. This advantageously increases redundancy, thereby increasing the durability and / or service life of the monitoring device. Moreover, it advantageously improves the accuracy and / or reliability, particularly of a measurement, of the corrosion indicator, especially by allowing the comparison of measured values ​​from different corrosion indicators.By comparing, in particular the corrosion indicators of at least three corrosion elements, erroneous measured values ​​can be advantageously sorted out and deviations averaged out.

[0026] Furthermore, it is proposed that at least one additional corrosion control element has a spatial orientation that differs significantly from that of the corrosion control element, preferably at least substantially perpendicular to the spatial orientation of the corrosion control element. This advantageously enables the most complete and / or precise monitoring of the wire network possible, particularly by making the monitoring as independent of orientation as possible. Moreover, the influence of the orientation of the monitoring device during assembly can be advantageously reduced. This advantageously results in a high level of safety for the wire network being monitored.It is conceivable that the spatial orientations of the corrosion control elements correspond to the predominant spatial orientations of the network elements of a wire mesh to be monitored. For example, in a wire mesh with diamond-shaped meshes, the corrosion control elements could be aligned parallel to the sides of the diamonds, and / or in a wire mesh with a helix, the corrosion control elements could be aligned parallel to the legs of the helix. The term "essentially perpendicular" here is intended to define, in particular, an orientation of a direction relative to a reference direction, wherein the direction and the reference direction, especially when considered in a plane, enclose an angle of 90°, and the angle has a maximum deviation of, in particular, less than 8°, advantageously less than 5°, and most advantageously less than 2°.

[0027] Furthermore, it is proposed that at least the corrosion monitoring unit, in particular at least the sensor unit, the data transmission module, the data logger module, the communication module, and / or the correction module, be capable of at least partial pulsed operation. This advantageously allows for energy-saving operation, enabling efficient use of energy stored in the monitoring device's energy source and / or enabling extended operation until the energy source needs to be replaced and / or recharged. This also advantageously results in the most trouble-free and / or uninterrupted operation possible for the monitoring device. Moreover, compared to continuous operation, this protects electronic components and / or components designed to conduct current.Preferably, the system operates in pulsed mode at periodic intervals, for example, with an electrical pulse occurring every few minutes, hours, days, and / or weeks. The power source can, in particular, comprise at least one battery, preferably replaceable, and / or preferably at least one rechargeable battery. The control unit is specifically designed to operate at least the corrosion monitoring unit, in particular at least the sensor unit, the data transmission module, the data logger module, the communication module, and / or the correction module, in pulsed mode. A "control unit" is understood to be, in particular, a unit comprising at least one control electronics unit. A "control electronics unit" is understood to be, in particular, a unit comprising a processor unit, a memory unit, and an operating program stored in the memory unit.

[0028] Advantageously, the monitoring device includes at least one photovoltaic unit. This advantageously enables a self-sufficient energy supply. Preferably, the photovoltaic unit is designed to charge the rechargeable battery. In particular, the photovoltaic unit includes at least one solar panel with at least one solar cell for generating voltage by means of absorbed sunlight. Advantageously, in addition to the rechargeable battery charged by the photovoltaic unit, the monitoring device includes another energy source, for example, a battery, which serves to supply power during periods when the rechargeable battery is discharged, for example, in the case that the solar panel is at least partially covered, for example by snow, and cannot generate any or too little power.

[0029] Furthermore, it is proposed that the corrosion monitoring unit be designed to monitor at least one additional corrosion indicator, different from the primary corrosion indicator. This advantageously increases the reliability and / or accuracy of the monitoring device, particularly in determining the corrosion level, thereby achieving a high level of safety for the wire network being monitored. Advantageously, this also allows for monitoring the functionality of the monitoring device, for example, by automatically sending a warning message to an operator in the event of a discrepancy between two monitored corrosion indicators.The further corrosion indicator comprises, in particular, at least one property that can be influenced by corrosion, especially a material property and / or material condition, particularly of at least a part of the wire mesh and / or at least a part of an element formed separately from the wire mesh, which is indicative of corrosion of the wire mesh and / or is preferably exposed to at least substantially identical environmental and / or weather conditions as the wire mesh. Preferably, the corrosion indicator allows for the determination of the status, severity, and / or progression of corrosion, in particular of at least a part of the wire mesh.The corrosion indicator comprises, in particular, at least one surface coloration, at least one surface finish, at least one weight loss, at least one tensile strength, at least one oscillation frequency, in particular a resonant oscillation frequency, an electrical conductivity, an ohmic resistance of at least one part of the wire of the wire mesh and / or at least one part of the element formed separately from the wire mesh, a current flow between two electrodes of the ACM sensor, and / or preferably at least one surface coloration of the corrosion element. The corrosion monitoring unit is specifically designed to register and / or preferably sensing the corrosion indicator and, in particular, to make it accessible to a user and / or automatically compare it with a database to assess the condition, functionality, and / or safety of the wire mesh.For example, it is conceivable that the additional corrosion indicator is a coloration of the wire of the wire network to be monitored, which can be determined by means of a photograph taken by a camera of the monitoring device, which is taken regularly, for example weekly, and sent to a person entrusted with the monitoring and / or is sent to at least one corrosion monitoring unit, preferably at least a plurality of communication monitoring units, when contact is made with a data collection drone.

[0030] Furthermore, it is proposed that the corrosion monitoring unit include at least one environmental sensor unit designed to monitor at least one environmental and / or weather parameter. This advantageously allows corrosion, and in particular its progression, to be correlated with environmental and / or weather conditions, enabling, for example, the creation of a site-specific corrosion forecast. Moreover, the collected data can advantageously be used to adapt a wire mesh and / or its corrosion protection to specific expected conditions at a given location. The environmental sensor unit includes, in particular, at least one weather station, at least one gas sensor, at least one particle sensor, and / or at least one radiation sensor.An "environmental and / or weather parameter" shall be understood to mean, in particular, at least an air temperature, at least a relative humidity, at least a wind direction, at least a wind speed, at least a precipitation amount, at least a solar radiation intensity, at least a particulate matter concentration, and / or at least a concentration of at least one atmospheric gas, for example, Os, SO₂, and / or NOₓ. Preferably, the data logger module is designed to record measured environmental and / or weather parameters in a time series. Preferably, the data transmission module is designed to output determined environmental and / or weather parameters. Preferably, the communication module is designed to communicate environmental and / or weather parameters to an external receiver, in particular automatically and / or periodically.

[0031] Furthermore, it is proposed that the corrosion monitoring unit include at least one impact sensor unit designed to detect impacts from dynamic impactors into a wire mesh under monitoring. This can advantageously improve the estimation of the wire mesh's durability, particularly since wire meshes already impacted may offer compromised protection even at lower corrosion levels. For example, a corrosion protection coating can be locally damaged by an impact from a dynamic impactor, causing corrosion to progress faster in that area than at a point monitored by the unit. The impact sensor unit thus advantageously provides a high level of reliability for the wire mesh under monitoring.Preferably, the impact sensor unit comprises at least one accelerometer, which is designed to detect at least one parameter for the acceleration occurring on the wire mesh, in particular on a cable and / or net structure with the wire mesh, when an impactor strikes the wire mesh. Preferably, the accelerometer is designed to measure accelerations at least up to 100 g, preferably at least up to 150 g, and preferably at least up to 200 g, where 1 g corresponds to a value of 9.81 m / s². Preferably, the accelerometer's function is independent of cables and / or ropes running outside a housing unit of the monitoring device. Preferably, the accelerometer monitors accelerations occurring on the support cables of the cable and / or net structure with the wire mesh.Preferably, the data logger module is designed to record measured accelerations in a time series. Preferably, the data transmission module is designed to output determined accelerations. Preferably, the communication module is designed to communicate acceleration data to an external receiver, particularly automatically. In particular, the acceleration sensor has an activation function that automatically switches the acceleration sensor from a standby state to an active state, especially when an acceleration value exceeds an activation threshold.

[0032] Furthermore, a monitoring system with multiple monitoring devices is proposed. This advantageously allows for a high level of security for the wire network being monitored. The multiple monitoring devices can, in particular, be arranged at least partially on a single and / or interconnected wire network and / or preferably at least partially on different, especially spatially adjacent, wire networks. It is also conceivable that the monitoring system comprises multiple monitoring devices that are assigned, at least partially, to wire networks distributed across different locations. This advantageously enables a comprehensive overview of an operator's wire networks.

[0033] When monitoring devices are networked, particularly via a communication module of a corrosion monitoring unit, an overall view of an operator's wiring networks can be advantageously provided. This can advantageously increase clarity and / or efficiency. Specifically, the monitoring devices are networked with each other and / or connected via a local and / or central hub. The local hub is located in close proximity to the networked monitoring devices and forms a local node. "Close proximity" is understood to mean a distance of at most a few kilometers, preferably at most a few hundred meters. The central hub is designed as a remote location, for example, a network and / or internet server, which may be located globally.

[0034] Furthermore, a system for corrosion monitoring of a wire mesh is proposed, comprising at least one monitoring device and at least one wire mesh, in particular a protective mesh, for stabilizing, lifting, intercepting, and / or restraining heavy loads, preferably with a monitoring system. This allows for the provision of particularly advantageous properties, especially of the wire mesh, with regard to safety. Advantageously, the protective effect and / or the durability of a wire mesh, in particular a wire mesh installation, can be monitored, thereby preventing malfunctions.

[0035] Furthermore, it is proposed that the wire mesh include at least one indicator element which at least partially forms a corrosion element that can be directly monitored. This advantageously allows for direct monitoring of the wire mesh independently of a corrosion control element, thereby reducing complexity. In particular, the indicator element is integrally formed with at least one mesh element of the wire mesh. A "corrosion element that can be directly monitored" is understood to mean, in particular, a corrosion element that is in contact with a contacting unit of the corrosion monitoring unit for corrosion monitoring purposes. "Integrated" is understood to mean, in particular, a metallurgical bond, such as through a welding process and / or bonding process, etc.The term "one-piece" is particularly advantageous when it is formed by manufacturing it in one piece and / or by manufacturing it using a single- or multi-component injection molding process. Advantageously, "one-piece" is also understood to mean "one-part." The corrosion element could preferably form at least a portion of a wire mesh and be used, in particular, for stabilizing, especially static structures, and / or for lifting, absorbing, and / or restraining heavy loads. It is conceivable that the corrosion element has a marking, for example, a color, which serves as an identification feature for an installer. The installer can then advantageously and easily identify the intended mounting location for the monitoring device by the wire mesh.

[0036] Furthermore, it is proposed that the indicator element be designed as a mesh element woven into the wire mesh. This advantageously allows for direct monitoring of the wire mesh independently of a corrosion control element, thereby reducing complexity.

[0037] Furthermore, a method for monitoring the corrosion of a wire mesh, in particular a protective net for stabilizing, lifting, intercepting, and / or restraining heavy loads, is proposed, especially by means of a monitoring device, with at least two interlocking net elements, at least one of which is made of at least one single wire, a wire bundle, a strand of wire, a wire rope, and / or another longitudinal element with at least one wire, in particular made of high-strength steel, wherein at least one corrosion indicator is monitored. This allows for the provision of particularly advantageous properties, especially of the wire mesh with regard to safety. Advantageously, the protective effect and / or the durability of a wire mesh, in particular a wire mesh installation, can be monitored, thereby preventing malfunctions.

[0038] Furthermore, it is proposed that at least the severity of corrosion be determined by measuring the current value of an electric current. This would advantageously allow for the determination of a reliable measurement of corrosion, particularly one proportional to the rate of material removal. This, in turn, would advantageously achieve a high level of safety for the wire network under monitoring.

[0039] In addition, it is proposed that at least the progression of corrosion be determined by means of a change, in particular an increase, in electrical resistance and / or a change, in particular a decrease, in electrical conductivity. This advantageously allows a reliable measurement of corrosion to be determined. This also advantageously allows a high level of safety to be achieved for the wire network being monitored. Furthermore, it is proposed that when a threshold value of the corrosion indicator, in particular electrical resistance, electrical conductivity, or current flow, is exceeded, fallen below, and / or reached, an automatic notification, in particular an automatic warning message, is triggered, in particular by means of a notification module.This can advantageously further increase user-friendliness, particularly by providing remote users with up-to-date information at all times. Furthermore, it can advantageously enhance the safety of the monitored wire network, especially by enabling timely notification of corrosion to a responsible person. A "threshold" is defined, in particular, as a minimum acceptable conductivity, a maximum acceptable electrical resistance, a maximum change in conductivity and / or electrical resistance, and / or as the absence of current flow, especially despite humid environmental conditions, and / or as the duration of the absence of current flow.

[0040] The monitoring device and / or the method according to the invention are not intended to be limited to the application and embodiment described above. In particular, the monitoring device and / or the method according to the invention may, to achieve a functionality described herein, comprise a different number of individual elements, components, and units than that specified herein. Drawings

[0041] Further advantages become apparent from the following description of the drawings. The drawings illustrate two exemplary embodiments of the invention.

[0042] They show: Fig. 1 a corrosion monitoring system with a wire mesh and a monitoring device, Fig. 2 a cross-section of a wire of the wire mesh, Fig. 3 a corrosion monitoring unit of the monitoring device with corrosion control elements, Fig. 4a) a cross-section of the corrosion control element, b) a side view of the corrosion control element, Fig. 5a) a cross-section of an alternative corrosion control element, b) a side view of the alternative corrosion control element, Fig. 6 a current-time diagram, Fig. 7 a flowchart for a process, Fig. 8 an alternative corrosion monitoring unit with further alternative corrosion control elements, Fig. 9 a resistance-time diagram, Fig. 10 a conductivity-time diagram, Fig. 11 the alternative corrosion monitoring unit with a second further alternative corrosion control element, Fig.12 the alternative corrosion monitoring unit with a third further alternative corrosion control element, Fig. 13 a cross-section of a corrosion element, Fig. 14 a cross-section of an alternative corrosion element, Fig. 15 a fourth further alternative corrosion control element and Fig. 16 an alternative corrosion monitoring system with a wire mesh and a monitoring device. Description of the exemplary implementations

[0043] Fig. 1Figure 62a shows a system 62a for corrosion monitoring of a wire mesh 10a. The system 62a includes a monitoring device. The system 62a comprises a wire mesh 10a. The wire mesh 10a is designed as a protective net for lifting and / or intercepting heavy loads. Alternatively or additionally, the wire mesh 10a can be designed as a protective net for restraining heavy loads, for example, for slope stabilization. Alternatively or additionally, the wire mesh 10a can be designed as a protective net for stabilizing, in particular, static structures and / or heavy loads. The wire mesh 10a is formed from interlocking mesh elements 12a. The mesh element 12a is made of a wire 14a. The wire 14a is made of a high-strength steel 16a. Alternatively, the mesh element 12a can be manufactured as a wire bundle, a wire strand, a wire rope, and / or another longitudinal element with the wire 14a.The network element 12a is designed as a helix 72a. The helix 72a has two alternating legs 74a, 76a. The legs 74a, 76a are connected to each other at a bend 78a. The legs 74a, 76a form an angle 80a at the bend 78a. Alternatively, the network element 12a can be closed, for example, in a ring shape.

[0044] The network element 12a has corrosion protection 82a. The corrosion protection 82a is designed as a coating 28a of the network element 12a. The corrosion protection 82a is designed as a corrosion protection coating 30a (see figure). Fig. 2The corrosion protection coating 30a is formed as a metallic coating 84a on the wire 14a. The metallic coating 84a is formed as a zinc coating 86a. Alternatively, the metallic coating 84a can be formed as a zinc-aluminum coating. The wire 14a has a wire core 90a. The corrosion protection coating 30a is bonded to the wire core 90a. The wire core 90a is made of a high-strength steel 16a. The wire core 90a has a diameter 96a. The wire 14a has an outer cross-section 36a. The outer cross-section 36a is formed as a cross-section of the wire 14a perpendicular to a longitudinal direction 98a of the wire 14a, in particular of a leg 74a, 76a. The wire 14a has an overall diameter 92a. The outer cross-section 36a encompasses a total diameter of 92a of the wire 14a. The outer cross-section 36a encompasses the diameter 96a of the wire core 90a.The coating 28a has a layer thickness of 94a. The outer cross-section 36a encompasses the layer thickness of 94a of the coating 28a, in particular the corrosion protection coating 30a, of the wire 14a.

[0045] System 62a includes a monitoring system 60a (see below). Fig. 1 The monitoring system 60a comprises a plurality of monitoring devices. The monitoring system 60a comprises a plurality of corrosion monitoring units 18a. A corrosion monitoring unit 18a is intended to monitor at least one corrosion indicator 20a (see Fig. 6 The corrosion indicator 20a is designed as a current flow. The corrosion monitoring unit 18a is designed to monitor a corrosion element 26a, according to the invention corrosion indicators 20a of the corrosion element 26a.

[0046] The majority of monitoring devices can be assigned, at least partially, to the same wire network 10a or to different wire networks 10a. The majority of corrosion monitoring units 18a can be arranged, at least partially, on the same wire network 10a or on different wire networks 10a. The monitoring devices are networked. The networking of the monitoring devices is wireless. The corrosion monitoring unit 18a can be networked with other corrosion monitoring units 18a. Alternatively or additionally, the corrosion monitoring unit 18a can be networked with other devices, for example, with at least one smartphone 228a, at least one tablet, at least one drone 230a, and / or at least one internet-enabled device 232a, for example, an internet server, and / or another external receiver 44a. The networking of the corrosion monitoring unit 18a is wireless.

[0047] The corrosion monitoring unit 18a is arranged on the wire mesh 10a. The corrosion monitoring unit 18a is directly attached to the wire mesh 10a. The corrosion monitoring unit 18a is in contact with the wire mesh 10a. The corrosion monitoring unit 18a has a mounting element (not shown) which is provided for attaching the corrosion monitoring unit 18a to and relative to the wire mesh 10a.

[0048] The corrosion monitoring unit 18a includes a corrosion control element 22a. The corrosion control element 22a is designed to provide at least partial information for determining the corrosion indicator 20a. The corrosion control element 22a is configured as an ACM (Atmospheric Corrosion Monitor) sensor 216a. The corrosion monitoring unit 18a includes at least one further corrosion control element 48a. The further corrosion control element 48a is configured at least substantially identically to the corrosion control element 22a. The further corrosion control element 48a is configured as an ACM (Atmospheric Corrosion Monitor) sensor 216a. The further corrosion control element 48a has a spatial orientation that is substantially different from the spatial orientation of the corrosion control element 22a. In addition, the corrosion monitoring unit 18a includes further corrosion control elements 116a and 118a.The additional corrosion control elements 116a and 118a are designed at least substantially identically to corrosion control element 22a. Additional corrosion control element 116a has an orientation at least substantially identical to that of corrosion control element 22a. Additional corrosion control element 118a has an orientation at least substantially identical to that of additional corrosion control element 48a.

[0049] The corrosion monitoring unit 18a has a holding unit 100a. The holding unit 100a is designed to support the corrosion control element 22a, 48a on the corrosion monitoring unit 18a. The holding unit 100a is designed to support the corrosion control element 22a, 48a relative to the corrosion monitoring unit 18a. The holding unit 100a has a plurality of holders 102a. The holders 102a are designed as retaining clamps 106a. The holders 102a make at least electrical contact with the corrosion control element 22a, 48a. For this purpose, for example, a contact element 234a, 236a of a corrosion control element 22a, 48a is brought into the area of ​​a loosened retaining clamp 106a and secured by tightening a screw. The brackets 102a are designed to be raised off a base body 104a of the corrosion monitoring unit 18a.This advantageously reduces the influence of the corrosion monitoring unit 18a on the corrosion of a supported corrosion control element 22a, 48a, for example, by means of shading. It is conceivable that the supports 102a hold the corrosion control element 22a, 48a further away from the base body 104 of the corrosion monitoring unit 18a than shown in the figure. Fig. 3 The embodiment shown is intended to further reduce the influence of the corrosion monitoring unit 18a on the corrosion of a mounted corrosion control element 22a, 48a. For this purpose, a mounting unit 100a and / or holder 102a that can be attached separately to the wire mesh 10a is conceivable.

[0050] The corrosion monitoring unit 18a has an electrical sensor unit 24a (see Fig. 3The electrical sensor unit 24a is designed to monitor the corrosion indicator 20a. The electrical sensor unit 24a includes a voltmeter 108a. The voltmeter 108a is designed to measure the voltage applied to the corrosion control element 22a, 48a. The electrical sensor unit 24a includes an ammeter 110a. The ammeter 110a is designed to measure the current flow through and / or within the corrosion control element 22a, 48a. The ammeter 110a is designed as a zero-ohm ammeter. The ammeter 110a is designed to measure the galvanic current of the ACM sensor 216a.

[0051] The electrical sensor unit 24a includes a current and / or voltage generation module 112a. The current and / or voltage generation module 112a is designed to apply a current and / or voltage to the corrosion control element 22a, 48a. The corrosion monitoring unit 18a can be operated in pulsed mode, at least partially.

[0052] The current and / or voltage generation module 112a can be operated in pulsed mode. The corrosion monitoring unit 18a includes a control and / or regulating unit 114a. The control and / or regulating unit 114a can be operated in pulsed mode. The control and / or regulating unit 114a is designed to control the pulsed operation of the corrosion monitoring unit 18a and / or its components.

[0053] The corrosion monitoring unit 18a is designed to monitor at least one additional corrosion indicator 52a. This additional corrosion indicator 52a differs from the corrosion indicator 20a. In the illustrated embodiment, the additional corrosion indicator 52a is configured as at least partial surface discoloration of a corrosion element 26a and / or a corrosion control element 22a, 48a. The surface discoloration comprises a rust-red coloration of the corrosion element 26a and / or the corrosion control element 22a, 48a. Alternatively, the additional corrosion indicator 52a comprises surface discoloration of at least a portion of the wire mesh 10a to be monitored. Monitoring the additional corrosion indicator 52a primarily serves to verify the plausibility of the measurement results of the corrosion indicator 20a.

[0054] The corrosion monitoring unit 18a includes at least one additional electrical sensor unit 54a. This additional electrical sensor unit 54a is designed to monitor the additional corrosion indicator 52a. The detection method of the additional electrical sensor unit 54a differs from the detection method of the electrical sensor unit 24a. The detection method of the additional electrical sensor unit 54a involves the visual detection of a surface of a corrosion element 26a. The additional electrical sensor unit 54a includes a camera 120a. The control unit 114a is designed to perform color and / or image recognition of the images captured by the camera 120a. The data transmission module 38a is designed to output images captured by the additional electrical sensor unit 54a and / or data acquired by the control unit 114a from images.The additional electrical sensor unit 54a can be operated in pulsed mode. For example, the camera 120a captures an image every one to two weeks. The camera 120a is connected to the base body 104a via a cable connection 122a. Alternatively, it is conceivable that the camera 120a communicates wirelessly with the corrosion monitoring unit 18a, in particular with the control and / or regulation unit 114a and / or a data transmission module 38a of the corrosion monitoring unit 18a.

[0055] The corrosion monitoring unit 18a includes an environmental sensor unit 56a. The environmental sensor unit 56a is designed to monitor at least one environmental and / or weather parameter. The environmental sensor unit 56a includes an anemometer 124a. The anemometer 124a is designed to measure wind speed. The environmental sensor unit 56a includes a thermometer 126a. The thermometer 126a is designed to measure ambient temperature. The environmental sensor unit 56a includes a rain gauge 128a. The rain gauge 128a is designed to measure the amount of precipitation. It is conceivable that the rain gauge 128a includes an acid meter 198a for determining the pH value of precipitation. The environmental sensor unit 56a includes a particulate matter meter 130a. The fine dust measuring device 130a is designed for measuring fine dust concentrations, especially PM10.The environmental sensor unit 56a includes a gas detector 132a. The gas detector 132a is designed to measure gas concentrations, in particular SO₂, NOₓ, and / or Os. The environmental sensor unit 56a includes a wind direction meter 134a. The wind direction meter 134a is designed to measure wind direction. The environmental sensor unit 56a includes a hydrometer 136a. The hydrometer 136a is designed to measure relative humidity. The data transmission module 38a is designed to output data acquired by the environmental sensor unit 56a. The environmental sensor unit 56a can be operated in pulsed mode. For example, the environmental sensor unit 56a records one environmental parameter every one to 24 hours. The environmental sensor unit 56a is permanently connected to the base body 104a.Alternatively, it is conceivable that the environmental sensor unit 56a communicates wirelessly with the corrosion monitoring unit 18a, in particular the control and / or regulation unit 114a and / or the data transmission module 38a.

[0056] The corrosion monitoring unit 18a comprises at least one impact sensor unit 58a. The impact sensor unit 58a is designed to detect impacts of dynamic impactors into a wire mesh 10a to be monitored. The impact sensor unit 58a includes at least one acceleration sensor 138a. The acceleration sensor 138a is designed to detect accelerations that occur upon impact of a dynamic impactor. The impact sensor unit 58a is designed for mounting on a support cable 140a that carries the wire mesh 10a. The impact sensor unit 58a has a mounting element 142a. The mounting element 142a is designed to circumferentially encircle the support cable 140a that carries the wire mesh 10a. The impact sensor unit 58a is designed to detect movements, in particular accelerations, of the support cable 140a carrying the wire mesh 10a.The data transmission module 38a is designed to output data acquired by the impact sensor unit 58a. The impact sensor unit 58a is permanently connected to the base body 104a by means of a cable connection 122a. Alternatively, it is conceivable that the impact sensor unit 58a communicates wirelessly with the corrosion monitoring unit 18a, in particular with the control and / or regulation unit 114a and / or the data transmission module 38a.

[0057] The data transmission module 38a is designed to output a measured corrosion indicator 20a, 52a. The data transmission module 38a outputs data measured by the electrical sensor unit 24a, in particular the corrosion indicator 20a, 52a, to other components of the corrosion monitoring unit 18a. The corrosion monitoring unit 18a has at least one data logger module 40a. The data logger module 40a is designed to record at least one output from the data transmission module 38a. The data logger module 40a is designed to record a time series of the corrosion indicator 20a (see also Fig. 6), furthermore, corrosion indicator 52a, a parameter detected by the environmental sensor unit 56a and / or the parameter detected by the impact sensor unit 58a. The data logger module 40a has a storage unit 144a with physical and / or virtual memory. The storage unit 144a is intended to at least temporarily store corrosion indicators 20a, 52a and / or time series recorded by the data logger module 40a.

[0058] The corrosion monitoring unit 18a includes at least one correction module 46a. The correction module 46a is designed to detect and / or correct potentially occurring systematic errors in the monitoring of corrosion and / or a corrosion indicator 20a, 52a. The correction module 46a is designed to automatically detect drifts in a data set and / or a time series. For drift detection, the correction module 46a can utilize the computing resources of the control unit 114a.

[0059] The corrosion monitoring unit 18a includes a communication module 42a. The communication module 42a is designed, at least, to communicate data output by the data transmission module 38a to an external receiver 44a. The communication module 42a has a transmitting and / or receiving antenna 146a for transmitting and / or receiving electromagnetic waves as information carriers. The communication module 42a is designed to communicate via a telecommunications connection. The communication module 42a is designed to automatically transmit data on corrosion indicators 20a, 52a and / or environmental and / or weather parameters. The communication module 42a is designed to automatically send messages, in particular text messages. The communication module 42a communicates using a mobile communication standard for data transmission. The mobile communication standard is implemented as a GSM data connection.Alternatively, the mobile communication standard could be implemented as an EDGE data connection, GPRS data connection and / or HSCSD data connection.

[0060] The corrosion monitoring unit 18a includes a contacting unit 188a. The contacting unit 188a has two contact terminals 190a. The contact terminals 190a are designed for contacting a corrosion element 26a to determine the corrosion indicator 20a. The contact terminals 190a are connected to the base body 104a by means of a cable connection 122a.

[0061] The monitoring device includes a photovoltaic unit 50a. The photovoltaic unit 50a is intended to supply current and / or voltage to the corrosion monitoring unit 18a, in particular to the components of the corrosion monitoring unit 18a. The photovoltaic unit 50a includes a solar panel 152a with solar cells. The solar panel 152a is intended to convert light into electrical energy. The corrosion monitoring unit 18a includes an accumulator 148a. The corrosion monitoring unit 18a includes a battery 150a. The accumulator 148a and / or the battery 150a are intended to supply current and / or voltage to the corrosion monitoring unit 18a, in particular to the components of the corrosion monitoring unit 18a. The photovoltaic unit 50a is intended to electrically charge the accumulator 148a.The battery 150a is intended to provide current and / or voltage to the corrosion monitoring unit 18a when the accumulator 148a is discharged.

[0062] Fig. 4aFigure 1 shows a cross-section of a corrosion element 26a. The corrosion element 26a is configured as a corrosion control element 22a, 48a. The corrosion control element 22a, 48a is configured as an ACM sensor 216a. The ACM sensor 216a comprises seven electrodes 204a, 206a. The electrodes 204a, 206a are aligned parallel to each other. Six outer electrodes 206a are arranged in a circle around a central electrode 204a. One electrode 204a forms an anode 210a. One electrode 206a forms a cathode 212a. The six outer electrodes 206a together form a cathode 212a. The electrode 204a forming the anode 210a is essentially identical to the wire 14a. The electrode 204a forming the anode 210a has a coating 28a. The coating 28a of the anode 210a is at least substantially identical to a corrosion protection coating 30a of the wire 14a of the wire network 10a to be monitored.The electrodes 206a forming the cathode 212a have, at least in the region of the cross-section shown, an essentially identical outer shape to the outer shape of the anode 210a. A surface 240a of the electrodes 206a forming the cathode 212a is made of a more noble metal than a surface 238a of the cathode 212a. The surface 240a of the cathode 212a is made of steel, in particular a high-strength steel 16a. The surface 238a of the anode 210a is made of zinc. The electrodes 204a and 206a are arranged without contact with each other. The ACM sensor 216a has an electrical insulator 32a. The electrical insulator 32a is designed as an air gap. There is a distance 218a between the anode 210a and the electrodes 206a of the cathode 212a. The distance 218a between the anode 210a and the electrodes 206a of the cathode 212a is 0.2 mm. There is a distance 220a between the electrodes 206a of the cathode 212a.The distance 220a between the electrodes 206a of the cathode 212a is 0.2 mm.

[0063] Fig. 4bFigure 2 shows a side view of the corrosion control element 22a, 48a, designed as an ACM sensor 216a. At its lateral ends, the ACM sensor 216a has two end caps 242a, 244a, designed as insulators 32a. The end caps 242a, 244a serve as holders for the electrodes 204a, 206a. The electrode 204a of the anode 210a passes through an end cap 242a. The portion of the anode 210a passing through forms the contact element 234a. The electrodes 206a of the cathode 212a are joined in an end cap 244a and pass together through the end cap 244a. The portion of the cathode 212a passing through forms the further contact element 236a. In a dry state, the connection between anode 210a and cathode 212a is current-free due to the insulator 32a. When the ACM sensor 216a becomes wet, for example by condensation or precipitation, a current can flow via conductive particles dissolved in the water, such as ions.The different redox potentials of the various materials of anode 210a and cathode 212a drive this current flow. When current flows, material is eroded from anode 210a. The current flow is proportional to the material eroded (see figure). Fig. 6 The current flow depends on the type and amount of chemicals dissolved in the water. For example, an increasing amount of salts, such as sulfates or table salt, leads to an increased current flow.

[0064] In the Fig. 5aThe alternative embodiment of an ACM sensor 216'a shown depicts an alternative arrangement of the electrodes 204'a, 206'a of the ACM sensor 216'a. The electrodes 204'a, 206'a have an outer shape corresponding to a halved wire. The electrodes 204'a, 206'a are mounted on their flat side on a substrate 246'a. The substrate 246'a is designed as an electrical insulator 32'a. The electrodes 204'a, 206'a are aligned parallel to each other. The electrodes 204'a, 206'a are aligned on a common plane. The electrodes 204'a, 206'a are spaced apart from each other. A distance 248'a between two electrodes 204'a, 206'a is 0.2 mm. Two central electrodes 204'a form an anode 210'a. Six outer electrodes 206'a form a cathode 212'a. The two electrodes 204'a of the anode 210'a are joined at a lateral end of the ACM sensor 216'a to form a contact element 234'a (see figure). Fig. 5b). The six electrodes 206'a of the cathode 212'a are joined together at another lateral end of the ACM sensor 216'a to form another contact element 236'a.

[0065] In Fig. 6A current-time diagram 224a is shown. The abscissa 66a represents the current flow of the ACM sensor 216a. The ordinate 68a represents time. The current flow exhibits an alternating curve 222a. The curve 222a shows sections without current flow. A dashed curve 226a represents the material loss of the anode 210a. The current flow curve 222a and the material loss curve 226a are correlated. A high current flow indicates a high material loss, and vice versa. An increase in current flow is indicative of increased corrosion. When the current flow drops to zero, a timer t begins to run in the control unit 114a. If the time t reaches a threshold value of 70a without having risen again to a value above zero in the meantime, the communication module 42a sends a warning message.

[0066] Fig. 7Figure 1 shows a flowchart of a process for monitoring the corrosion of a wire mesh 10a. In at least one process step 192a, the corrosion indicator 20a is monitored by the corrosion monitoring unit 18a. In at least one process step 202a, the corrosion indicator 20a is determined by means of the electrical sensor unit 24a. In at least one process step 250a, the degree of corrosion is determined by means of a current flow from the ACM sensor 216a. In at least one process step 194a, the progression of corrosion is determined by means of a change in the electrical resistance and / or a change in the electrical conductivity of the corrosion element 26a and / or the corrosion control element 22a.In at least one process step 88a, if the threshold value 70a of the corrosion indicator 20a is exceeded, fallen below and / or reached, an automatic notification is triggered, in particular automatically sent by means of the communication module 42a.

[0067] In the Figures 8 to 16 Three further embodiments of the invention are shown. The following descriptions and drawings are essentially limited to the differences between the embodiments, whereby, with regard to identically designated components, in particular components with the same reference numerals, reference is also generally made to the drawings and / or the description of the other embodiments, in particular the Figures 1 to 7 , can be referenced. To distinguish the embodiments, the letter a is the reference numeral of the embodiment in the Figures 1 to 7 recreated. In the exemplary embodiments of the Figures 8 to 15The letter a is replaced by the letters b to d. Fig. 8 Figure 1 shows an alternative monitoring device for monitoring the corrosion of a wire mesh 10b. The monitoring device includes a corrosion monitoring unit 18b. The corrosion monitoring unit 18b is designed to monitor at least one alternative corrosion indicator 20b. The corrosion monitoring unit 18b is designed to monitor an alternative corrosion element 26b, in particular corrosion indicators 20b of the corrosion element 26b. The corrosion element 26b is designed as a corrosion control element 22b. The corrosion control element 22b is essentially identical to a section of a wire 14b of the wire mesh 10b. The corrosion control element 22b has a straight, wire-like shape 154b. In an initial state, the corrosion control element 22b has an outer cross-section 34b (see Figure 154b). Fig. 13) which is at least substantially identical to an outer cross-section 36b of the wire 14b of the wire network 10b to be monitored in a delivery state of the wire network 10b.

[0068] The corrosion indicator 20b is configured as a physical and / or chemical property of a corrosion element 26b. The corrosion indicator 20b comprises at least an electrical conductivity of the corrosion element 26b and / or at least an electrical resistance of the corrosion element 26b. The corrosion indicator 20b comprises an electrical conductivity of a coating 28b of the corrosion element 26b and / or an electrical resistance of the coating 28b of the corrosion element 26b (see [reference]). Fig. 9 and Fig. 10The corrosion monitoring unit 18b has at least one further corrosion control element 48b. The further corrosion control element 48b is at least substantially identical in design to the corrosion control element 22b. The further corrosion control element 48b has a straight, wire-like shape 156b. In Fig. 9 A resistance-time diagram 166b is shown. The abscissa 66b represents the ohmic resistance through the corrosion cell 26b. The ordinate 68b represents time. The ohmic resistance shows an increasing curve 168b. An increase in ohmic resistance indicates the progression of corrosion. A threshold value 70b of the ohmic resistance is also shown with a dashed line. The threshold value 70b is constant over time. The increasing curve 168b exceeds the threshold value 70b at a time T.

[0069] In Fig. 10A conductivity-time diagram 170b is shown. The abscissa 66b represents the electrical conductivity through the corrosion cell 26b. The ordinate 68b represents time. The electrical conductivity shows a decreasing curve 172b. A decrease in electrical conductivity indicates the progression of corrosion. A threshold value 70b for electrical conductivity is also shown with a dashed line. This threshold value 70b is constant over time. The decreasing curve 172b falls below the threshold value 70b at time T.

[0070] In Fig. 11The alternative corrosion monitoring unit 18b is shown with a second alternative corrosion control element 22'b and a second alternative corrosion control element 48'b. The corrosion control element 22'b has two legs 174b, 176b and a bend 178b. The further corrosion control element 48'b has two legs 180b, 182b and a bend 184b. The legs 174b, 176b, 180b, 182b are at least substantially identical to the legs 74b, 76b of the helix 72b of the wire mesh 10b. The bends 178b, 184b are at least substantially identical to the bend 78b of the helix 72b. The corrosion control element 22'b and the further corrosion control element 48'b interlock. The corrosion indicator 20b is tapped between the two legs 174b, 176b of the corrosion control element 22'b.The two legs 180b, 182b of the further corrosion control element 48'b are electrically insulated from brackets 102b of the holding unit 100b of the corrosion monitoring unit 18b. The in . Fig. 11 The arrangement of corrosion control elements 22'b, 48'b shown advantageously replicates an arrangement of coils 72b of the wire mesh 10b, thereby advantageously enabling realistic corrosion monitoring.

[0071] In Fig. 12 The alternative corrosion monitoring unit 18b is shown with a third alternative corrosion control element 22"b. The corrosion control element 22"b is configured as a network element 12b of a ring network (not shown). The corrosion control element 22"b is configured as a self-contained ring element 186b of a ring network. The corrosion indicator 20b is tapped between two contact points of the corrosion control element 22"b, each with a holder 102b. The in Fig. 12The corrosion control element 22"b shown advantageously replicates a ring element 186b of a ring network, thereby advantageously enabling realistic corrosion monitoring of a ring network.

[0072] Fig. 13Figure 1 shows a cross-section of an alternative corrosion element 26b. The corrosion element 26b has the coating 28b. The coating 28b of the corrosion element 26b is at least substantially identical to a corrosion protection coating 30b of the wire 14b of the wire network 10b to be monitored. The coating 28b of the corrosion element 26b has a layer thickness 158b, which is at least substantially identical to a layer thickness 94b of the corrosion protection coating 30b of the wire 14b. The coating 28b of the corrosion element 26b has an outer diameter 160b, which is at least substantially identical to an overall diameter 92b of the wire 14b, in particular including the corrosion protection coating 30b of the wire 14b. The coating 28b of the corrosion element 26b has an inner diameter 162b, which is at least substantially identical to a diameter 96b of a wire core 90b of the wire 14b.The coating 28b of the corrosion element 26b is made of a material which is at least substantially identical to the material of the coating 28b of the wire 14b.

[0073] The monitoring device includes an electrical insulator 32b. The corrosion element 26b includes the electrical insulator 32b. The corrosion control element 22b includes the electrical insulator 32b. The electrical insulator 32b is designed to at least partially limit the current flow through the corrosion element 26b and / or the corrosion control element 22b. The current flow is limited by the electrical insulator 32b to a part of the corrosion element 26b and / or the corrosion control element 22b that is most exposed to corrosion. The current flow is limited by the electrical insulator 32b to a near-surface part of the corrosion element 26b and / or the corrosion control element 22b.The term "near-surface" refers in particular to an outer cylindrical-shell-shaped region of the corrosion element 26b and / or the corrosion control element 22b, which has a maximum depth of 0.05*r, preferably 0.1*r, and preferably 0.2*r, where r is in particular a radius 200b of the corrosion element 26b and / or the corrosion control element 22b. The current flow is spatially limited by the electrical insulator 32b to a coating 28b of the corrosion element 26b and / or the corrosion control element 22b. The electrical insulator 32b is made of a corrosion-resistant, electrically non-conductive material, preferably a plastic and / or a glass. The electrical insulator 32b is arranged at least partially inside the corrosion element 26b. Fig. 13In the illustrated embodiment, the electrical insulator 32b forms an insulating core 164b of the corrosion element 26b. The coating 28b of the corrosion element 26b is bonded to the insulating core 164b of the corrosion element 26b in a circumferentially enclosing manner.

[0074] In the Fig. 14In the illustrated embodiment, a corrosion element 26b is shown with an alternative electrical insulator 32'b. The electrical insulator 32'b is designed as an insulating intermediate layer between the wire core 90b of the corrosion element 26b and the coating 28b of the corrosion element 26b. The electrical insulator 32'b electrically separates the wire core 90b of the corrosion element 26b and the coating 28b of the corrosion element 26b. The electrical insulator 32'b of the corrosion element 26b has a tubular shape. The electrical insulator 32'b of the corrosion element 26b has a layer thickness 196b. The layer thickness 196b is less than the layer thickness 94b of the coating 28b of the corrosion element 26b. The electrical insulator 32'b of the corrosion element 26b adheres to a high-strength steel 16b of the wire core 90b of the corrosion element 26b. The electrical insulator 32'b of the corrosion element 26b adheres to the coating 28b of the corrosion element 26b.The electrical insulator 32'b of the corrosion element 26b leads to an improvement in the adhesion of the coating 28b of the corrosion element 26b.

[0075] In Fig. 15A fourth alternative corrosion control element 22c of the corrosion monitoring unit 18c of the monitoring device for monitoring the corrosion of a wire mesh 10c is shown. The corrosion control element 22c is designed as a rod indicator 208c. The rod indicator 208c has seven corrosion control rods 214c. The corrosion control rods 214c have a coating 28c on their surface. The coating 28c of the corrosion control rods 214c is different. The coating 28c of the corrosion control rods 214c is of different thickness. The coatings 28c of the corrosion control rods 214c are arranged from top to bottom in ascending order of coating thickness. The five uppermost corrosion control rods 214c have a coating 28c which is thinner than a corrosion protection coating 30c of a wire 14c of the wire network 10c to be monitored.The sixth corrosion control rod 214c has a coating 28c that is essentially the same thickness as the corrosion protection coating 30c of the wire 14c of the wire network 10c being monitored. The seventh corrosion control rod 214c has a coating 28c that is thicker than the corrosion protection coating 30c of the wire 14c of the wire network 10c being monitored. The material of the coating 28c of the corrosion control rods 214c is essentially the same as the material of the corrosion protection coating 30c of the wire 14c of the wire network 10c being monitored. The coating 28c of the corrosion control rods 214c is a zinc coating 86c. The rod indicator 208c is intended to be placed in the immediate vicinity of the wire network 10c. Alternatively, it is conceivable that the rod indicator 208c is installed independently of a wire mesh 10c at a control location.This allows the corrosivity of a location to be advantageously determined before the installation of a wire mesh 10c, thereby enabling an optimized selection of a corrosion protection coating 30c for the wire 14c of the wire mesh 10c to be installed. The rod indicator 208c has mounting elements 252c. The mounting elements 252c are designed as holes for the insertion of a mounting device. A mounting device can, for example, be a cable tie. The corrosion control rods 214c are exposed to corrosive environmental conditions, such as weathering, at the monitoring location. The corrosion control rods 214c corrode analogously to the wire mesh 10c being monitored. As corrosion progresses, the coating 28c is gradually worn away from each corrosion control rod 214c. When the coating 28c has been completely worn away, the underlying core material of the corrosion control rod 214c is exposed.The core material essentially corresponds to the material of a wire core 90c of wire 14c. The core material is high-strength steel 16c. As corrosion progresses, red rust forms on the high-strength steel 16c. Advantageously, the corrosion status can be determined by visually inspecting the rod indicator 208c. Based on the number of corrosion control rods 214c that already exhibit red rust, material loss can be advantageously estimated. A camera 120c of an electrical sensor unit 24c, 54c of the corrosion monitoring unit 18c is intended to record images of the rod indicator 208c. The recorded images of the rod indicator 208c are made available to an operator for viewing via a communication module 42c of the corrosion monitoring unit 18c. Alternatively or additionally, a drone 230c of the monitoring device can fly over and photograph the rod indicators 208c.The rod indicator 208c has four alignment features 254c. The alignment features 254c are designed as crosses. The alignment features 254c are each located near a corner of the rod indicator 208c. The rod indicator 208c has an identification feature 256c. The identification feature 256c is designed as a barcode. The identification feature 256c serves to assign a rod indicator 208c to a location and / or a wire network 10c. 254c.

[0076] Fig. 16Figure 62d shows an alternative system 62d for corrosion monitoring of a wire mesh 10d. System 62d includes a monitoring device. System 62d includes a wire mesh 10d. The wire mesh 10d is designed as a protective net for lifting and / or absorbing heavy loads. The wire mesh 10d is formed from interlocking mesh elements 12d. The mesh element 12d is made of a wire 14d. The wire 14d is made of a high-strength steel 16d. The wire mesh 10d includes an indicator element 64d. The indicator element 64d forms, at least partially, a corrosion element 26d that can be directly monitored. The indicator element 64d is designed as a mesh element 12d woven into the wire mesh 10d. The monitoring device includes a corrosion monitoring unit 18d. The corrosion monitoring unit 18d is intended for direct monitoring of a corrosion element 26d.The corrosion monitoring unit 18d includes a contacting unit 188d. The contacting unit 188d has two contact terminals 190d. The contact terminals 190d electrically contact the indicator element 64d at two separate points. The contact terminals 190d electrically contact a coating 28d of the indicator element 64d at two separate points. To monitor the corrosion indicator 20d, a current flows from one contact terminal 190d to the other contact terminal 190d through the indicator element 64d.

Claims

1. Wire netting monitoring device for a wire netting (10a) realized as a slope stabilization, as a safety fence, as a catch fence, as a rockfall protective net, as a barrier fence, as a fish farming net, as a predator protection net, as an enclosure fence, as a tunnel safeguard, as a landslide protection, as a motorsport protective fence, as a road fence, as a covering and / or cladding of buildings, as an explosion protection, as a projectile protection, as a shielding against flying objects, as a capturing net or as a ram protection, said wire netting (10a) having at least two mutually engaging net elements (12a), which are respectively produced from at least one single wire, a wire bundle, a wire strand, a wire rope and / or some other longitudinal element comprising at least one wire (14a), with at least one corrosion monitoring unit (18a), which is specifically configured for monitoring at least one corrosion indicator (20a), wherein the corrosion indicator (20a) has a corrosion-influenceable property which is indicative of a corrosion of the wire netting (10a), wherein an instantaneous intensity and / or a progress of a corrosion at least of a portion of the monitored wire netting (10a) is determinable by means of the corrosion indicator (20a), wherein the corrosion monitoring unit (18a) comprises at least one corrosion checking element (22a; 22'a) which is specifically configured to be exposed to ambient and / or weather conditions that are at least substantially identical to those which the monitored wire netting (10a) is exposed to in order to supply at least partial information for a determination of the corrosion indicator (20a), wherein the corrosion checking element (22a, 22'a) is embodied at least partly as an ACM (Atmospheric Corrosion Monitor) sensor (216a), the ACM sensor (216a) comprising at least two electrodes (204a, 206a) whose surface materials are made of metals having different electropositivities, wherein the two electrodes (204a, 206a) are arranged in such a way that, in a dry state, they are electrically insulated from one another by an air gap that separates the electrodes and, in a wet state, they are electrically in contact via water droplets forming an electrolyte, such that a galvanic current flows if there is electrical contacting of the electrodes, wherein the electrode (204a) of the two electrodes (204a, 206a) that forms the anode (210a) has a coating (28a) that is realized at least substantially identically to an anticorrosion protective coating (30a) of the wire (14a) of the wire netting (10a) to be monitored, which is realized as a zinc coating, as a zinc-aluminum coating and / or as a zinc-aluminum-magnesium coating.

2. Wire netting monitoring device according to claim 1, characterized in that the corrosion monitoring unit (18a) comprises at least one data transfer module (38a) and at least one data logger module (40a) that is configured at least for recording an output of the data transfer module (38a), and / or that the corrosion monitoring unit (18a) comprises, in addition to the data transfer module (38a), at least one communication module (42a) that is configured at least for communicating data outputted by the data transfer module (38a) to an external receiver (44a).

3. Wire netting monitoring device according to any one of the preceding claims, characterized in that the corrosion monitoring unit (18a) comprises at least one correction module (46a) configured at least for identifying and / or correcting systematic errors which potentially occur during a monitoring of the corrosion.

4. Wire netting monitoring device according to any one of the preceding claims, characterized in that the corrosion monitoring unit (18a) comprises an electrical sensor unit (24a) with at least one zero-resistance ammeter that is configured for measuring a galvanic current of the ACM sensor (216a).

5. Wire netting monitoring device according to any one of the preceding claims, characterized in that the corrosion checking element (22a; 22'a) in an initial state has an outer cross section (34a) which is at least substantially identical to an outer cross section (36a) of a wire (14a) of a wire netting (10a) to be monitored in a delivery state of the wire netting (10a).

6. Wire netting monitoring device according to any one of the preceding claims, characterized in that the corrosion monitoring unit (18a) comprises at least one further corrosion checking element (48a; 48a').

7. Wire netting monitoring device according to claim 6, characterized in that the at least one further corrosion checking element (48a; 48'a) has a spatial orientation which is significantly different than a spatial orientation of the corrosion checking element (22a; 22'a).

8. Wire netting monitoring device according to any one of the preceding claims, characterized in that the corrosion monitoring unit (18a) is configured for monitoring at least one further corrosion indicator (52a) that differs from the corrosion indicator (20a).

9. Wire netting monitoring device according to claim 8, characterized in that the corrosion monitoring unit (18a) comprises an electrical sensor unit (24a) configured for monitoring the corrosion indicator (20a), and wherein the corrosion monitoring unit (18a) comprises at least one further electrical sensor unit (54a) configured for monitoring the further corrosion indicator (52a), in particular by a detection method that differs from a detection method of the ACM sensor (216a).

10. Wire netting monitoring device according to any one of the preceding claims, characterized in that the corrosion monitoring unit (18a) comprises at least ambient sensor unit (56a) configured for monitoring at least one ambient and / or weather parameter.

11. Wire netting monitoring device according to any one of the preceding claims, characterized in that the corrosion monitoring unit (18a) comprises at least one impact sensor unit (58a) configured for sensing impacts of dynamic impact bodies into a wire netting (10a) to be monitored.

12. Monitoring system (60a) having a plurality of interconnected wire netting monitoring devices according to any one of the preceding claims.

13. System (62a) for monitoring of a corrosion of a wire netting (10a), having at least one wire netting monitoring device according to any one of claims 1 to 11 and having at least one wire netting (10a), preferably with a monitoring system (60a) according to claim 12.

14. Method for monitoring a corrosion of a wire netting (10a) by means of a wire netting monitoring device according to any one of claims 1 to 11, having at least two mutually engaging net elements (12a), which are respectively produced from at least one single wire, a wire bundle, a wire strand, a wire rope and / or some other longitudinal element comprising at least one wire (14a), which is in particular produced from a high-tensile steel (16a), characterized in that at least one corrosion indicator (20a) is monitored, the corrosion indicator (20a) having at least one corrosion-influenceable property which is indicative for a corrosion of the wire netting (10a), wherein an instantaneous intensity and / or a progress of a corrosion of the wire netting (10a) is determinable by means of the corrosion indicator (20a) via measuring a galvanic current that flows when two electrodes (204a, 206a) of an ACM sensor (216a) are electrically contacted, wherein the electrode (204a) of the two electrodes (204a, 206a) that forms the anode (210a) has a coating (28a) realized at least substantially identically to an anticorrosion protective coating (30a) of the wire (14a) of the wire netting (10a) to be monitored.

15. Method according to claim 14, characterized in that at least an intensity of a corrosion is determined on the basis of a current value of a current flow.

16. Method according to any one of claims 14 or 15, characterized in that an automatic notification is triggered in the event of a threshold value (70a) of the corrosion indicator (20a) being exceeded, undershot and / or reached.