Method and device for measuring corrosion on a vehicle

Abstract

Method for measuring corrosion on a vehicle equipped with an engine (1), comprising the steps: Measuring the corrosion condition in at least one section of the vehicle (1), and outputting corrosion data through a corrosion sensor (11) installed in the section; Measuring vehicle speed and outputting speed data by means of a speed sensor (13) installed in the vehicle (1); Simultaneous acquisition of corrosion data and velocity data, and collection of corrosion data and velocity data in relation to each other, Measuring the engine speed of the vehicle (1) and outputting engine speed data through an engine speed sensor (14); Acquiring engine speed data simultaneously with speed data and corrosion data, and collecting the engine speed data together with the speed data and corrosion data in conjunction with each other; and In the event that the engine speed data is greater than 0 and the speed data is 0, the speed data and the associated corrosion data are deleted from the engine speed data, the speed data and the corrosion data collected with the engine speed data, and otherwise at least the corrosion data and the speed data are retained if the corrosion data and the speed data are mutually associated.

Description

Background of the invention; Field of the invention

[0001] The present invention relates to a method for measuring corrosion on a vehicle equipped with an engine and a device for measuring a corrosion state (corrosion status) in at least one section of the vehicle, for example a motor vehicle. Description of the state of the art

[0002] The corrosion condition of a motor vehicle (the vehicle with an engine) varies considerably depending on the individual areas or sections. Therefore, a conventional corrosion test is carried out by measuring the corrosion condition by attaching an exposed steel plate to each section. Unfortunately, measuring the corrosion condition using the exposed material requires prolonged exposure, making it extremely difficult to obtain information about changes in the corrosion condition over time.

[0003] In this regard, patent specification 1 (Japanese patent publication JP 2005-134 162 A) and patent specification 2 (Japanese patent publication JP 2009-53 205 A) disclose a method for quantitatively measuring a corrosion state as well as a temperature and a humidity on each section of a vehicle by attaching a corrosion sensor and a temperature / humidity sensor to each such section of the vehicle, as are commonly used in a structure, for example a bridge or a building.

[0004] A motor vehicle (vehicle), such as an automobile, travels and stops, while the corrosion state at any point on the vehicle changes depending on its operating conditions. In other words, the corrosion state at any point on the vehicle is either significantly adversely affected by the vehicle speed or is not adversely affected by the vehicle speed.

[0005] Therefore, unlike a building, the specific corrosion condition of such a motor vehicle cannot be measured exactly by simply installing a corrosion sensor like the one known from patents 1 and 2 in the vehicle.

[0006] DE 24 01 502 A1 discloses an integrated speed and engine speed indicator for vehicles. REVELATION OF THE INVENTION

[0007] The present invention was made in view of the above circumstances, and it is an object of the invention to provide a method and a device for measuring corrosion of a vehicle equipped with an engine, which are capable of accurately measuring a corrosion condition specific to a vehicle.

[0008] A method for measuring corrosion on a vehicle according to the invention comprises the steps according to claim 1.

[0009] A device for measuring corrosion on a vehicle equipped with an engine according to the invention comprises the features of claim 4.

[0010] The method and device for measuring corrosion on a vehicle according to the invention enable the simultaneous acquisition of corrosion data from the corrosion sensor and the vehicle's speed data from the speed sensor, and the collection of corrosion data and speed data in relation to each other, thereby making it possible to accurately measure a corrosion state specific to the vehicle, wherein the corrosion state on a section or area of ​​the vehicle is correlated with the vehicle's speed. BRIEF DESCRIPTION OF THE DRAWINGS Fig. Figure 1 is a perspective view illustrating a test vehicle as a measuring device for a corrosive environment according to an embodiment of a corrosion measuring device for a vehicle according to the invention; Fig. 2 is a block diagram which shows a configuration of the in Fig. Figure 1 illustrates the measuring device for corrosive environments; Fig. Figure 3 illustrates an example of the installation of a corrosion sensor and a temperature / humidity sensor in Fig. 1, wherein Fig. 3A a side view and Fig. 3B a view along line III in Fig. 3A of the order is; Fig. 4 is a side sectional view of the in Fig. 3 and Fig. 5 corrosion sensors shown; Fig. Figure 5 illustrates another example of the installation of the corrosion sensor and the temperature / humidity sensor according to Fig. 1, wherein Fig. 5A a side view and Fig. 5B a view along line V in Fig. 5A is; Fig. Figure 6 shows graphical representations of a relationship between an output variable of the corrosion sensor according to Fig. 1 and a vehicle speed for each section of the vehicle; Fig. 7 is a flowchart illustrating a procedure for selecting data, which is performed by the in Fig. The data collection unit shown in section 1 will be collected; Fig. Figure 8 is a graphical representation that compares vehicle speed data at a given time with average vehicle speed data for two-minute periods; Fig. Figure 9 is a graphical representation illustrating a relationship between a correlation coefficient indicating a correlation between an output signal of the corrosion sensor and a vehicle speed, and a vehicle speed that differs in the detection method (sampling method) at sections with the correlation; and Fig. Figure 10 is a graphical representation of a relationship between a correlation coefficient, which indicates a correlation between an output signal of the corrosion sensor and a vehicle speed, and a vehicle speed that differs in the detection method (sampling method) on a section without the correlation. DESCRIPTION OF PREFERRED EXECUTION FORMS

[0011] In the following, an embodiment of the present invention is described with reference to the accompanying drawings. Fig. Figure 1 is a perspective view illustrating a test vehicle as a measuring device for a corrosive environment according to an embodiment of a corrosion measuring device for a vehicle according to the invention. Fig. Figure 2 is a block diagram showing a configuration of the measuring device for corrosive environments according to Fig. 1 represents.

[0012] Fig. 1 and Fig. Figure 2 illustrates a measuring device 10 for a corrosive environment as a corrosion measuring device for a vehicle, which measures a corrosion state and a corrosive environment (such as temperature and humidity) at several locations on the test vehicle (for example, a four-wheeled motor vehicle) 1 by assigning the values ​​to a speed (vehicle speed) of the test vehicle 1 and an engine speed (number of engine revolutions) of the vehicle. The measuring device 10 for a corrosive environment includes a plurality of corrosion sensors 11, several temperature / humidity sensors 12 as environmental sensors, a vehicle speed sensor 13 as a speed sensor, an engine speed sensor 14, an FV converter 15 as a signal processing unit, a data collection unit 16 as a data collection device, and an arithmetic device 17 as an arithmetic unit.

[0013] As in Fig. As shown in Figure 1, each corrosion sensor 11 is installed in at least one section of the test vehicle 1, namely sections such as a roof 2, a door interior 3, and a floor surface 4. As will be explained in detail below, each corrosion sensor 11 measures the corrosion state at each section and outputs corrosion data. Furthermore, temperature / humidity sensors 12 are mounted in pairs near the corrosion sensors 11. Each temperature / humidity sensor 12 measures the temperature and humidity in the vicinity of its respective corrosion sensor 11 as an environmental element and outputs temperature / humidity data (temperature and humidity data) as environmental data.

[0014] As in Fig. As shown in Figure 3, the corrosion sensor 11 and the temperature / humidity sensor 12 are mounted in such a way that, if the installed parts can be attached to flat areas such as the roof 2 and the door interior 3, the sensors are directly glued to the flat sections using double-sided adhesive tape 18 or the like.

[0015] Alternatively, according to Fig. 5 The corrosion sensor 11 and the temperature / humidity sensor 12 are mounted in such a way that, if the installed sections do not offer flat areas such as the floor surface 4, a plastic plate 19 is attached to the floor surface 4 and then the sensors are attached to the plate 19 using double-sided adhesive tape 18 or the like. Furthermore, wiring 20 from the corrosion sensor 11 and wiring 21 from the temperature / humidity sensor 12 run through a vehicle interior floor carpet and an interior cover inside the test vehicle 1 and are carefully and permanently connected to the data acquisition unit 16, as shown in Fig. 1 is shown.

[0016] As in the Fig. 3B, Fig. 4 and Fig. As can be seen in Figure 5B, the corrosion sensor 11 is a galvanic corrosion sensor in which a silver electrode 22 and an iron electrode 23 are configured using a dissimilar metal (for example, silver and iron) as electrodes with an insulating material 24, for example, silicon dioxide, in between to measure a (galvanic) current generated by a cell formed by the silver electrode 22 and the iron electrode 23 with a solution or water membrane in between.

[0017] The output signal (current) of the corrosion sensor 11 represents corrosion data acquired by directly measuring the corrosion of the silver electrode 22 and the iron electrode 23. However, it indirectly indicates the corrosion state when corrosion occurs in a section where the corrosion sensor 11 is installed (i.e., an iron section or part of the test vehicle 1). Specifically, corrosion progresses in a section that has been exposed to splashing water or the like until the corresponding surface dries. In line with the corrosion phenomenon of this section, the output signal of the corrosion sensor 11 increases when the sensor is wet and gradually decreases as its surface dries.

[0018] The vehicle speed sensor 13 after Fig. 2 is attached to a predetermined location on the test vehicle 1. The speed sensor 13 continuously measures the running speed (vehicle speed) of the test vehicle 1 and outputs vehicle speed data as speed data to the FV converter 15. The engine speed (engine revolution) sensor 14 is installed in an engine (not shown) of the test vehicle 1. The engine speed sensor 14 continuously measures the engine speed and outputs engine speed data to the FV converter 15.

[0019] The vehicle speed data from the speed sensor 13 and the engine speed data from the speed sensor 14 have pulse form, and accordingly, the pulse-shaped data from the speed sensor 13 and the speed sensor 14 are continuously input into the FV converter 15, which converts the pulse-shaped data into voltage data such as 0 to 1 volt and outputs the voltage data to the data collection unit 16.

[0020] During engine operation, the FV converter 15, connected to the speed sensor 13 and the rotational speed sensor 14, converts the vehicle speed data from the speed sensor 13 and the engine speed data from the rotational speed sensor 14 into voltage data. When the engine is off, no data conversion is required, and energy is supplied by a vehicle battery 30 typically installed in the test vehicle 1. Note that this makes it possible to reduce the energy consumption of a partial-range battery 31, which will be described below.

[0021] The data acquisition unit 16 includes input ports 26 with multiple (in this embodiment 16) channels, which input corrosion data from multiple (in this embodiment 16) corrosion sensors 11 via relay terminal blocks 25. Furthermore, the data acquisition unit 16 includes input ports 28 with multiple channels (16 channels for each temperature and humidity sensor in this embodiment), which input temperature / humidity data from multiple (in this embodiment 16) temperature / humidity sensors 12 via relay terminal blocks 27. The data acquisition unit 16 also includes input ports 29 with two channels for inputting vehicle speed data and engine speed data (both are voltage data) from the FV converter 15.

[0022] The data acquisition device 16 acquires (samples) corrosion data from the corrosion sensors 11, temperature / humidity data from the temperature / humidity sensors 12, and vehicle speed and engine speed data from the FV converter 15 in the same temporal sequence. It collects the corrosion data, temperature / humidity data, speed data, and engine speed data that were acquired in the same temporal sequence and are related to each other. For example, the corrosion data, temperature / humidity data, speed data, and engine speed data are acquired at a time interval of approximately 10 minutes, because the corrosion data and the temperature / humidity data change slowly.

[0023] Energy is supplied to the data acquisition unit 16 by the sub-range battery 31, which is separate from the vehicle battery 30 of the test vehicle 1. The data acquisition unit 16 must acquire corrosion data from the corrosion sensors 11 and temperature / humidity data from the temperature / humidity sensors 12 during the aforementioned time interval while the engine of the test vehicle 1 is running and also while the engine is off. Therefore, if energy is supplied to the data acquisition unit 16 from the vehicle battery 30, this could lead to an energy loss (discharging) of the vehicle battery 30. The sub-range battery 31 is provided to avoid this problem.

[0024] Since the data collection unit 16 is supplied with energy from the sub-range battery, it acquires corrosion data from the corrosion sensors 11, temperature / humidity data from the temperature / humidity sensors 12, and speed and rotational speed data from the FV converter 15, and collects the corresponding data. The longer the time interval, the more the energy consumption of the sub-range battery 31 can be reduced. Therefore, the time interval at which the data collection unit 16 acquires data is appropriately set at approximately 10 minutes.

[0025] As in Fig. As shown in Figure 1, the data collection unit 16 is installed, for example, in the cargo space of the test vehicle 1 together with the partial battery 31. The FV converter 15 can also be installed in the cargo space of the test vehicle 1.

[0026] As explained above, the data collection unit 16 collects corrosion data, temperature / humidity data, speed data, and rotational speed data, which are recorded simultaneously and in relation to each other. As in Fig. As shown in Figure 6, for example the correlation between the corrosion data (output variables of the corrosion sensors 11) and the vehicle speed data (vehicle speed) can be measured.

[0027] As in Fig. As shown in Figure 6A, the corrosion data in section or area A of test vehicle 1 specifically increase with increasing vehicle speed. Thus, there is a positive correlation between the corrosion data and the vehicle speed data. As shown in Fig. As shown in Figure 6B, the corrosion data on section B of test vehicle 1 decreases when the vehicle speed data increases. This results in a negative correlation between the corrosion data and the vehicle speed data. As further shown in Figure 6B, the corrosion data on section B of test vehicle 1 decreases when the vehicle speed data increases. Fig. As shown in Figure 6C, the corrosion data are not adversely affected by the vehicle speed data at section C of test vehicle 1. Therefore, there is no correlation between the corrosion data and the speed data. Note that the measurement results according to Fig. 6 were recorded when the test vehicle 1 drove over a snow-covered area during snowfall.

[0028] There is a problem in that the data acquisition unit 16 may record speed data when the test vehicle 1 happens to stop at a traffic light, and the correlation between the corrosion data (output values ​​of the corrosion sensor 11) and the speed data (vehicle speed) recorded simultaneously may be subject to a deviation. For example, the corrosion data has a positive correlation with the vehicle's speed data on a section or area exposed to splash water. If the data acquisition unit 16 records the speed data while the test vehicle 1 is temporarily stopped, the corrosion sensor 11 will output a large current value because the test vehicle 1 stops immediately after exposure to splash water, but the speed sensor 13 will output speed data indicating that the vehicle speed is 0.As a result, the corrosion data show a negative correlation with the vehicle speed data.

[0029] To solve such problems, the present embodiment employs a first solution unit and a second solution unit. First, even if the speed data measured by the speed sensor 13 indicates 0 km / h, the first solution unit uses the rotational speed data measured by the rotational speed sensor 14 to determine whether the test vehicle 1 happens to stop temporarily while driving, or whether the engine is off and the test vehicle 1 is completely stopped, in order to select data that has been detected and collected by the data collection unit 16. The selection is made by the arithmetic unit 17 ( Fig. 2), which is housed in data collection unit 16.

[0030] In particular, the arithmetic unit 17 is configured as follows: of the rotational speed data, vehicle speed data, corrosion data and temperature / humidity data acquired by the data collection unit 16, the data are deleted if the rotational speed data is greater than 0 RPM and the vehicle speed data is 0 km / h, and at least the corrosion data, temperature / humidity data and vehicle speed data for the other cases are retained within the arithmetic unit 17.

[0031] As in Fig. As shown in Figure 7, the vehicle speed data (the vehicle speed signal X) output by the speed sensor 13 and the engine speed data (the engine speed signal Y) output by the speed sensor 14 are converted by the FV converter 15 into voltage values, namely a vehicle speed V (km / h) and the engine speed R (RPM), which are recorded by the data collection device 16 and confirmed by the arithmetic unit 17 (S1 and S2).

[0032] Based on the corrosion data, temperature / humidity data, speed data (vehicle speed V), and rotational speed data (engine speed R) that were correlated and collected by the data collection unit 16, the arithmetic unit 17 determines whether the engine speed R is greater than 0 RPM (R>0) and the vehicle speed V is 0 km / h (V=0) or not (S3). If step S3 determines that R>0 and V=0, the arithmetic unit 17 deletes the corrosion data and the temperature / humidity data associated with the vehicle speed data and the engine speed data, including the speed data and the rotational speed data (S4).

[0033] If, in step S3, the arithmetic unit 17 determines that the engine speed R is greater than 0 RPM and the vehicle speed V is not 0 km / h, or that the engine speed R is 0 RPM and the vehicle speed V is 0 km / h, the corrosion data (the corrosion current I), the temperature / humidity data (the temperature T and the humidity H), and the speed data (the vehicle speed V), which are related to each other in each case, are retained within the arithmetic unit 17. The data held in the arithmetic unit 17 are such that, in particular, the corrosion data exhibit an exact correlation with the speed data.

[0034] Arithmetic unit 17 determines whether further data (corrosion data, temperature / humidity data, speed data, or rotational speed data) recorded by data collection unit 16 are available (S6). If data are available, arithmetic unit 17 performs steps S1 to S6 for all remaining data.

[0035] If the FV converter 15 has a function for outputting the vehicle speed data input by the speed sensor 13 in the form of time-averaged data, the second solution unit uses this function in such a way that the data collection unit 16 receives the averaged or average speed data (average speed data) from the FV converter 16 as the speed data simultaneously with the corrosion data from the corrosion sensors 11 and the temperature / humidity data from the temperature / humidity sensors 12, and receives the speed data (the average speed data), the corrosion data and the temperature / humidity data simultaneously and in mutual association.

[0036] The average vehicle speed is a value calculated by averaging the speed data from the speed sensor 13 for a predetermined time interval (preferably a 0.5 to 2 minute interval, as explained below), which is shorter than the acquisition time interval (for example, a 10-minute interval) in which the data collection unit 16 acquires the corrosion data from the corrosion sensors 11 and the temperature / humidity data from the temperature / humidity sensors 12.

[0037] Fig. Figure 8 is a graphical representation illustrating the difference between a point-in-time measurement of the vehicle speed by the speed sensor 13 once every 10 minutes and vehicle speed data averaged every 2 minutes, which is calculated by averaging the vehicle speed data coming from the speed sensor 13 every 2 minutes.

[0038] At a time point of 20 minutes, for example, the instantaneous speed data represents 0 km / h, whereas the two-minute average speed data is approximately 20 km / h, thus demonstrating that the instantaneous speed data represents a measurement of the vehicle speed taken when the test vehicle 1 happens to stop temporarily. At a time point of 30 minutes, the instantaneous speed data represents approximately 20 km / h, while the two-minute average speed data is 40 km / h, thus clearly demonstrating that the instantaneous speed data represents a value measured for the vehicle speed when the test vehicle 1 slows down.

[0039] In a first case and a second case of data collection, as explained below, the Fig. 9 a graphical representation of a relationship between a correlation coefficient, which indicates a correlation between the correlation data from the corrosion sensors 11 and the speed data, and the vehicle speed data, which are determined by different acquisition methods in a section A (a section where the corrosion data show a positive correlation with the speed data) of the test vehicle 1 and a section B (a section where the corrosion data show a negative correlation with the vehicle speed data); Fig. Figure 10 is a graphical representation of the relationship for section C (a section where the corrosion data show no correlation with the vehicle speed data) of test vehicle 1.

[0040] In the first case, the data collection unit 16 records the corrosion data from the corrosion sensors 11, the temperature / humidity data from the temperature / humidity sensors 12, and the speed data from the speed sensor 13, which is not averaged by the FV converter 15, once every 10 minutes simultaneously.

[0041] In the second case, the data collection unit 16 records the averaged or mean speed data as the speed data calculated by averaging the speed data from the speed sensor 13 for 0.5 minutes, 1 minute, 1.5 minutes, 2 minutes, 2.5 minutes, 5 minutes and 10 minutes, which is done with the help of the FV converter 15, whereby the data are recorded simultaneously with the corrosion data from the corrosion sensors 11 and the temperature / humidity data from the temperature / humidity sensors 12 for approximately 10 minutes each.

[0042] As in Fig. As shown in Figure 9, in section A with positive correlation and section B with negative correlation, in the range of vehicle speed data averaged over 0.5 to 2 minutes, the correlation coefficient is close to “1”, which means a high correlation between the corrosion data and the vehicle speed data.

[0043] As in Fig. As shown in Figure 10, for section C without correlation in the speed data averaged over 0.5 to 2 minutes, the correlation coefficient is close to “0”, which means a low correlation between the corrosion data and the vehicle speed data.

[0044] In view of the facts shown above, the FV converter 15 is set to perform a calculation to average the vehicle speed data every 0.5 to 2 minutes and outputs the average vehicle speed data to the data collection unit 16, so that the data collection unit 16 can capture and collect data that shows an exact correlation between the corrosion data and the speed data.

[0045] The present embodiment, configured in the manner described above, is capable of producing the following effects (1) to (4): (1) A corrosion sensor 11 installed in each section or area of ​​the test vehicle 1 measures the corrosion condition in that section and outputs corrosion data; a temperature / humidity sensor 12 installed near the corrosion sensor 11 measures the temperature and humidity in the vicinity of the corrosion sensor 11 and outputs temperature / humidity data; a vehicle speed sensor 13 installed in the test vehicle 1 measures the vehicle speed of the test vehicle 1 and outputs speed data;and a data collection unit 16 acquires the corrosion data from the corrosion sensor 11, the temperature / humidity data from the temperature / humidity sensor 12, and the speed data from the speed sensor 13 via an FV converter 15 at the same time, and collects the corrosion data, the temperature / humidity data and the speed data that are acquired simultaneously and are related to each other.

[0046] This enables the precise measurement of a corrosion state specific to a vehicle, such as test vehicle 1, whereby, in particular, the corrosion state of each section or part of test vehicle 1 correlates with the vehicle speed of test vehicle 1. Based on the data thus acquired, corrosion-resistant materials and surface treatments can be applied, and stainless structures can be used in those areas exposed to harsh corrosion conditions in a vehicle, such as a motor vehicle.

[0047] Furthermore, data (corrosion data, temperature / humidity data, vehicle speed data and presence / absence of sea salt particles and snowmelt material) collected in every zone of the world in the manner described above can be used to perform an anti-rust test (corrosion test) to take local conditions into account, considering vehicle speed as one of the test conditions.

[0048] (2) The data collection unit 16 records the corrosion data from the corrosion sensors 11, the temperature / humidity data from the temperature / humidity sensors 12, the speed data from the speed sensor 13 via the FV converter 15 and the engine speed data from the speed sensor 14 via the FV converter 15 at the same time and in conjunction with each other.The arithmetic unit 17 then deletes from the corrosion data, temperature / humidity data, speed data, and speed data recorded and collected by the data collection unit 16 those data corresponding to the case where the engine speed data is greater than 0 RPM and the vehicle speed data is 0 km / h (i.e., in the case where the test vehicle 1 happens to stop while driving). It retains at least the corrosion data, temperature / humidity data, and vehicle speed data in the remaining cases within the arithmetic unit 17. As a result, at least the corrosion data, temperature / humidity data, and speed data stored in the arithmetic unit 17 exhibit an exact correlation, particularly between the corrosion data and the vehicle speed data.

[0049] (3) The FV converter 15 averages the vehicle speed data from the speed sensor 13 over a predetermined time interval (a 0.5- to 2-minute interval), which is shorter than the acquisition time interval in which the data collection unit 16 acquires the corrosion data and the temperature / humidity data in order to calculate the average speed data (0.5- to 2-minute average speed data). Subsequently, the data collection unit 16 acquires the average speed data from the FV converter 15 as the speed data simultaneously, for example, about every 10 minutes, with the corrosion data from the corrosion sensors 11 and the temperature / humidity data from the temperature / humidity sensors 20, and it collects the data in conjunction with each other.This means that, in this case too, the correlation between the corrosion data and the vehicle speed data can be precisely determined from the corrosion data, the temperature / humidity data and the speed data (the average speed data) collected by the data collection unit 16.

[0050] (4) The data collection unit 16, which acquires and collects all data from the corrosion sensors 11, the temperature / humidity sensors 12, the vehicle speed sensor 13, and the engine speed sensor 14, is not powered by the vehicle battery 30 normally installed in the test vehicle 1, but by the specially provided sub-range battery 31. During a period when the engine of the test vehicle 1 is stationary, the data collection unit 16 acquires and collects the corrosion data and the temperature / humidity data from the corrosion sensors 11 and the temperature / humidity sensors 12, respectively. Since power is supplied for this purpose by the sub-range battery 31, the vehicle battery 30 can be protected from energy loss (depleted battery).

[0051] The invention has been explained above with reference to one embodiment; however, the invention is not limited to this embodiment, but various modifications are possible without deviating from the basic idea and scope of protection of the invention.

[0052] For example, the corrosion sensor 11 is not limited to a galvanic type corrosion sensor; it can also be a quartz crystal microbalance (QCM) or impedance type corrosion sensor. Furthermore, the vehicle is not limited to a four-wheeled vehicle; it can also be a motorcycle, a ship, an outboard motor, or an aircraft.

Claims

[1] Method for measuring corrosion on a vehicle equipped with an engine (1) comprising the steps: Measuring a corrosion condition in at least one section of the vehicle (1), and outputting corrosion data through a corrosion sensor (11) installed in the section; Measuring vehicle speed and outputting speed data by means of a speed sensor (13) installed in the vehicle (1); Simultaneous acquisition of corrosion data and velocity data, and collection of corrosion data and velocity data in relation to each other, Measuring the engine speed of the vehicle (1) and outputting engine speed data through an engine speed sensor (14); Acquiring engine speed data simultaneously with speed data and corrosion data, and collecting the engine speed data together with the speed data and corrosion data in conjunction with each other; and In the event that the engine speed data is greater than 0 and the speed data is 0, the speed data and the associated corrosion data are deleted from the engine speed data, the speed data and the corrosion data collected with the engine speed data, and otherwise at least the corrosion data and the speed data are retained if the corrosion data and the speed data are mutually associated. [2] Method for measuring corrosion on a vehicle (1) according to claim 1, further comprising the steps: averaging the velocity data over a predetermined time interval, which is shorter than a data acquisition time interval with which a data acquisition unit (16) acquires the corrosion data, in order to calculate average velocity data; and Acquiring average speed data as speed data simultaneously with corrosion data, and collecting average speed data, with the average speed data and the corrosion data being related to each other. [3] Method for measuring corrosion on a vehicle (1) according to claim 1 or 2, further comprising the steps: Measuring an environmental parameter such as temperature and humidity in the vicinity of the corrosion sensor (11), and outputting environmental data through an environmental sensor (12) installed near the corrosion sensor (11); and Acquiring environmental data simultaneously with corrosion data and velocity data, and collecting environmental data, with the environmental data, corrosion data and velocity data being related to each other. [4] Device (10) for measuring corrosion on a vehicle (1) equipped with an engine, comprising: a corrosion sensor (11) which is installed in at least one section of the vehicle (1) and measures the corrosion condition of the section and outputs corrosion data; a speed sensor (13) which is installed in the vehicle (1) and measures vehicle speed and outputs speed data; a data collection unit (16) that simultaneously acquires the corrosion data from the corrosion sensor (11) and the speed data from the speed sensor (13) and collects the corrosion data and the speed data in relation to each other, an engine speed sensor (14) installed in the vehicle (1) that measures engine speed and outputs engine speed data, wherein the data collection unit (16) simultaneously acquires the engine speed data from the engine speed sensor (14) together with the speed data from the speed sensor (13) and the corrosion data from the corrosion sensor (11) and collects the engine speed data, the engine speed data, the speed data and the corrosion data being interconnected; and an arithmetic unit (17) connected to the data collection unit (16) and configured such that, in the event that the engine speed data is greater than 0 and the speed data is 0, the speed data and the associated corrosion data are deleted from the engine speed data, the speed data and the corrosion data collected by the data collection unit (16) with the engine speed data, while otherwise at least the corrosion data and the speed data are retained, the corrosion data and the speed data being related to each other. [5] Device for measuring corrosion in a vehicle (1) equipped with an engine according to claim 4, wherein a signal processing unit connected to the speed sensor (13) that averages speed data from the speed sensor (13) over a predetermined time interval, which is shorter than a acquisition time interval with which the data collection unit (16) acquires the corrosion data in order to calculate average speed data; and The data collection unit (16) acquires the average speed data from the signal processing unit as speed data simultaneously with the corrosion data from the corrosion sensor (11) and collects the average speed data in conjunction with the corrosion data. [6] Device for measuring corrosion in a vehicle (1) equipped with an engine according to claim 4 or 5, further comprising: an environmental sensor (12) which is located near the corrosion sensor (11), wherein the environmental sensor (12) measures an environmental parameter such as temperature or humidity in the vicinity of the corrosion sensor (11) and outputs environmental data, wherein The data collection unit (16) simultaneously acquires the environmental data from the environmental sensor (12) together with the corrosion data from the corrosion sensor (11) and the speed data from the speed sensor (13) and collects the environmental data, wherein the environmental data, the corrosion data and the speed data are related to each other.

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