JP6830028B2 - Railroad vehicle vibration display system - Google Patents

Description

The present invention relates to a vibration display system for railway vehicles.

Patent Document 1 discloses a riding comfort monitoring system in which a vibration measuring device is mounted on each vehicle constituting a railroad vehicle, the vibration of each vehicle is measured by each vibration measuring device, and the vibration is displayed. According to the system, it is possible to monitor the vibration state of the commercial vehicle in real time.

Japanese Unexamined Patent Publication No. 2005-306119

However, the vibration measuring device mounted on each vehicle inputs the acceleration detected by the acceleration sensors installed on the two front and rear trolleys of each vehicle and measures the vibration of each vehicle. The vibration of was not able to be measured (detected). For example, in the case of one vehicle, it is not possible to detect the vibration of each seat in the front part, the center part, or the rear part of the vehicle, and there is a problem that it is difficult to compare and grasp the vibration state in the vehicle. It was.

Further, in general, it is said that the riding comfort of the tail vehicle is uncomfortable between the leading vehicle and the tail vehicle in the railway vehicle, but according to the technology of Patent Document 1, the vibration state of the leading vehicle and the tail vehicle can be compared. However, there is a problem that it is not possible to compare the vibration state between a predetermined position in the leading vehicle (for example, the rearmost seat) and another position in the trailing vehicle (for example, the front seat). For this reason, when taking measures against vibration of railway vehicles, only measures can be taken on a vehicle-by-vehicle basis.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a vibration display system for a railway vehicle that can display and grasp the vibration status of the railway vehicle at a plurality of positions during one traveling. It is said.

In order to achieve this object, the vibration display system of the railway vehicle of the present invention receives a plurality of vibration detection devices installed at a plurality of locations of the railway vehicle and the results of vibration detection detected by the plurality of vibration detection devices. A host device and a display device for displaying the result of vibration detection received by the host device are provided, and the plurality of the vibration detection devices include an installation position storage means for storing the installation position of the vibration detection device in the railroad vehicle. , An acceleration detecting means for detecting the acceleration, an acceleration storage means for accumulating and storing the acceleration detected by the acceleration detecting means together with a time element at the time of the acceleration detection, and the vibration detecting device for traveling of the railway vehicle. The traveling position detecting means for detecting the traveling position of the above, the traveling position detected by the traveling position detecting means under the first predetermined condition, and the acceleration stored in the acceleration storage means are associated and stored as vibration information. Transmission to transmit to the host device the vibration information storage means to be used, the vibration information stored in the vibration information storage means under the second predetermined condition, and the installation position of the vibration detection device stored in the installation position storage means. Each of the means is provided, and the host device includes an installation position designating means for designating an installation position of the vibration detection device for displaying a vibration detection result, and a vibration detection device for the installation position designated by the installation position designating means. It is provided with a display control means for displaying the result of vibration detection based on the vibration information transmitted from the display device on the display device.

According to the vibration display system of the railroad vehicle according to the first aspect, the user of this system first installs the vibration detection devices at a plurality of places in the railroad vehicle where he / she wants to perform vibration detection, and stores the installation positions. Memorize to means. Each vibration detection device accumulates the acceleration detected by the acceleration detection means at the position where the device is installed together with the time element at the time of the acceleration detection and stores it in the acceleration storage means. When the first predetermined condition is satisfied, the traveling position of the vibration detecting device detected by the traveling position detecting means and the acceleration stored in the acceleration storage means are stored in the vibration information storage means as vibration information associated with each other. .. Then, when the second predetermined condition is satisfied, the vibration information stored in the vibration information storage means is transmitted to the host device by the transmission means together with the installation position of the vibration detection device stored in the installation position storage means. In the host device, the installation position of the vibration detection device for displaying the vibration detection result is designated by the installation position designation means. The display control means displays the result of vibration detection based on the vibration information transmitted from the vibration detection device at the designated installation position on the display device.

In this way, the installation position of the vibration detection device is specified, and the result of vibration detection based on the vibration information detected by the vibration detection device at the specified installation position is displayed on the display device, so that the railway vehicle during one trip There is an effect that the vibration status due to multiple positions can be displayed and grasped. For example, in the case of one vehicle, the vibration status of the front seat, the center seat, and the rear seat can be compared and grasped, or the vibration status of the window side seat and the aisle side seat of the same row seat can be compared and grasped. it can. Further, in the case of a railroad vehicle, it is possible to compare and display the vibration conditions of the front, center or rear seats, floors, luggage racks, etc. of the first, second, and Xth vehicles.

The installation position of the vibration detection device in a railroad vehicle may be represented by a code corresponding to the installation position, or may be represented by an ID code of the vibration detection device. When the installation position is represented by the ID code of the vibration detection device, the position in the railway vehicle in which the vibration detection device corresponding to the ID code is installed is stored in the host device in advance.

Further, as the "time element" accumulated and stored in the acceleration storage means together with the acceleration, time data at the time of acceleration detection and the detection time interval (for example, 20 ms interval) when the acceleration is periodically detected can be exemplified. .. As the "first predetermined condition", a predetermined distance travel (for example, every 100 m travel) and a predetermined time lapse (for example, every 1 s travel) can be exemplified. Similarly, the "second predetermined condition" includes traveling a predetermined distance (for example, every 100 m travel), elapse of a predetermined time (for example, every 1 s travel), and when the host device is installed outside the railway vehicle. For example, when a railroad vehicle arrives at a station or the like where a host device is installed. The "second predetermined condition" may be the same as the "first predetermined condition". Further, the host device may be permanently installed in the railway vehicle, or may be installed in the railway vehicle only when the vibration information is measured. Further, the host device may be installed outside the railway vehicle.

According to the vibration display system for a railroad vehicle according to claim 2, in addition to the effect of claim 1, the following effects are exhibited. In the host device, when the traveling position for displaying the vibration detection result is specified by the traveling position designating means, the display control means receives the vibration information transmitted from the vibration detecting device at the installation position designated by the installation position designating means. Among them, the result of vibration detection based on the vibration information of the traveling position designated by the traveling position designating means is displayed on the display device. In this way, the vibration detection device at the installation position specified in the railroad vehicle displays the result of vibration detection based on the vibration information detected when traveling at the specified traveling position on the display device. It has the effect of being able to grasp the vibration status when passing through a position by comparing it with other positions of railway vehicles.

According to the vibration display system of the railway vehicle according to claim 3, in addition to the effect achieved by claim 1 or 2, the following effects are exhibited. When the first predetermined condition is satisfied, each vibration detection device is acquired by the time acquisition means in addition to the travel position of the vibration detection device detected by the travel position detection means and the acceleration stored in the acceleration storage means. The one associated with the time is stored in the vibration information storage means as vibration information. When the time for displaying the vibration detection result is specified by the time designation means in the host device, the display control means receives the vibration information transmitted from the vibration detection device at the installation position designated by the installation position designation means. The result of vibration detection based on the vibration information at the time specified by the time designation means is displayed on the display device. In this way, the vibration detection device at the installation position specified in the railroad vehicle displays the result of vibration detection based on the vibration information detected at the specified time on the display device, so that it is the same during one run. It has the effect of being able to grasp the vibration status of the time by comparing it with other positions of the railway vehicle.

According to the vibration display system of the railway vehicle according to claim 4, in addition to the effect of any one of claims 1 to 3, the following effect is exhibited. Each vibration detection device is composed of a smartphone or tablet computer including an acceleration sensor, a GPS receiving unit, and a wireless communication unit. Therefore, the vibration detection device can be installed simply by fixing the smartphone or tablet computer to the place where the vibration detection of the railway vehicle is desired. Therefore, there is an effect that such installation can be easily performed and vibration can be detected. In addition, since the installation of the vibration detection device only fixes the smartphone or tablet computer to the place where vibration detection is desired, various parts of the railroad vehicle, such as the seat surface, backrest surface, armrest surface, seat table, luggage rack, and passageway. By fixing a smartphone or tablet computer to the top, ceiling, window surface, side surface, etc., there is an effect that those vibrations can be detected.

(A) is a partial cross-sectional view schematically showing a host PC and a smartphone in a running railroad vehicle, and (b) is a plan view schematically showing an installation area of a smartphone. It is a block diagram which shows the electrical composition of a host PC and a smartphone. (A) is a diagram schematically showing transmission position data, (b) is a diagram schematically showing a vibration information table, and (c) is a diagram schematically showing acceleration data. (A) is a flowchart of the main process in the smartphone, and (b) is a flowchart of the main process in the host PC. It is a flowchart of display processing in a host PC. It is an image diagram showing an example of the screen displayed on the display device of the host PC, (a) is a diagram showing a display screen (all areas) in real-time display, and (b) is a display screen (installation area designation) in real-time display. ). It is an image diagram showing an example of the screen displayed on the display device of the host PC, (a) is a diagram showing the display screen (all areas) in the position designation display, and (b) is the display screen (installation) in the position designation display. It is a figure which shows the area designation). It is an image diagram showing an example of the screen displayed on the display device of the host PC, (a) is a diagram showing the display screen (all areas) in the time designation display, and (b) is the display screen (installation) in the time designation display. It is a figure which shows the area designation). It is an image diagram showing an example of a screen displayed on the display device of a host PC, (a) is a diagram showing a display screen (horizontal axis: position) in the installation area designation display, and (b) is a diagram showing an installation area designation display. It is a figure which shows the display screen (horizontal axis: time).

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. First, with reference to FIG. 1, an outline of the host PC 1 and the smartphone 20 constituting the vibration display system 100 will be described. FIG. 1A is a partial cross-sectional view schematically showing the host PC 1 and the smartphone 20 in the running railroad vehicle T, and FIG. 1B is a schematic representation of the installation area of the smartphone 20 in the railroad car T. It is a plan view shown in.

The railway vehicle T is configured by connecting a plurality of vehicles 60. The rolling stock 60 constituting the railroad car T is assigned car numbers such as car 1, car 2, car 3, ... In order from the vehicle 60 on the traveling direction side. The track direction in the vehicle 60 is the X-axis direction, the pillow direction is the Y-axis direction, and the directions orthogonal to the X-axis direction and the Y-axis direction are the Z-axis directions.

The vibration display system 100 in this embodiment is composed of smartphones 20 installed at a plurality of positions in the railway vehicle T and a host PC 1 installed in the first vehicle of the railway vehicle T. The host PC 1 is an information processing device for receiving vibration information such as acceleration, traveling speed, date and time, and position detected by the smartphone 20 in the Y-axis direction and displaying the vibration information. The host PC 1 does not necessarily have to be installed in the first car, and may be installed in another car as long as it is in the railway vehicle T. Further, the host PC 1 may always be installed in the railway vehicle T, or may be installed in the railway vehicle T only when vibration information is detected.

The smartphone 20 is a portable electronic device for detecting vibration information and transmitting the vibration information to the host PC 1. The smartphone 20 is installed one by one in the "installation area" in which the vehicle 60 shown in FIG. 1B is divided into three in the track direction and two in the sleeper direction, for a total of six divisions. The installation area is represented by an installation area name (code) for distinguishing the installation area in the railway vehicle T, and specifically, the installation area name is represented by "car number- (hyphen) installation area number".

The installation area number is a number for distinguishing the installation area in the same vehicle 60. The installation area numbers are 1, 3, and 5 in order from the left front installation area in the traveling direction of the vehicle 60, and 2, 4, 6 in order from the right front installation area in the traveling direction. For example, the installation area name of the first car whose installation area number is 1 is expressed as "installation area 1-1". By installing the smartphone 20 in each installation area, the installation conditions of the smartphone 20 are unified. Therefore, for example, the temporal transition of vibration information in the same installation area and the vibration for each same installation area number in the railway vehicle T. Information can be easily compared.

Further, the installation location of the smartphone 20 is set to be on a horizontal table in the installation area, and an example is on a table installed on the backrest of the seat. As a result, the posture of the smartphone 20 is stabilized, so that the vibration information detected by the smartphone 20 is mixed with extra vibration components that do not depend on the running of the vehicle 60, such as camera shake that occurs when a human grips the smartphone 20. Can be prevented. Further, the smartphone 20 is installed so that the lateral direction and the Y-axis direction in the front view of the smartphone 20 are aligned with each other. As a result, the smartphone 20 can accurately detect the acceleration in the Y-axis direction.

Next, the electrical configurations of the host PC 1 and the smartphone 20 of the vibration display system 100 will be described with reference to FIGS. 2 and 3. FIG. 2 is a block diagram showing an electrical configuration of the host PC 1 and the smartphone 20.

First, the electrical configuration of the host PC 1 will be described. The host PC 1 has a CPU 2, a hard disk drive (HDD) 3, and a RAM 4, which are connected to the input / output ports 6 via the bus line 5, respectively. A display device 7, an input device 8, and a wireless communication device 9 are connected to the input / output port 6, respectively. The CPU 2 is an arithmetic unit that controls each unit connected by the bus line 5.

The HDD 3 is a rewritable non-volatile storage device that stores a program executed by the CPU 2, fixed value data, and the like, and stores a control program 3a, transmission position data 3b, and a vibration information table 3c. When the control program 3a is executed by the CPU 2, the main process of FIG. 4B is executed.

The transmission position data 3b is a data table that stores the position (unit: km) from the starting point of the railway vehicle T, that is, the transmission position, which transmits the vibration information detected by the smartphone 20. The transmission position data 3b will be described with reference to FIG. 3A. FIG. 3A is a diagram schematically showing the transmission position data 3b. The transmission position is stored in the transmission position data 3b every 0.1 km in order from the starting point (0 km point) of the railway vehicle T. Further, at the end of the transmission position data 3b, that is, at the position of "No. 5000" in FIG. 3A, "(END)" indicating the end of the transmission position data 3b is stored. The transmission position data 3b is transmitted to the smartphone 20 via the wireless communication device 9 described later. Therefore, since the smartphone 20 transmits the detected vibration information to the host PC 1 based on the transmission position in the same transmission position data 3b, each smartphone 20 can arrange the conditions for transmitting the vibration information. In FIG. 3A, the number of data of the transmission position data 3b is set to 5000, but the number is not necessarily limited to 5000, and may be 5000 or more or 5000 or less.

Return to FIG. The vibration information table 3c is a data table in which vibration information received from the smartphone 20 is stored. The vibration information table 3c will be described with reference to FIGS. 3 (b) and 3 (c).

FIG. 3B is a diagram schematically showing the vibration information table 3c, and FIG. 3C is a diagram schematically showing the acceleration data f1. As shown in FIG. 3B, the vibration information table 3c includes a date and time memory 3c1 that stores the date and time when the smartphone 20 detects the vibration information, and acceleration data f1, f2, in the Y-axis direction detected by the smartphone 20. ... is stored in the vibration acceleration memory 3c2, the speed memory 3c3 in which the traveling speed (unit: km / h) of the railway vehicle T detected by the smartphone 20 is stored, and the position from the starting point (unit: km). ) Is stored in the position memory 3c4, and the installation area memory 3c5 in which the installation area name of the smartphone 20 is stored is provided, and each is stored in association with each other.

In the acceleration data f1, f2, ... Stored in the vibration acceleration memory 3c2, as shown in FIG. 3C, the acceleration in the Y-axis direction (unit: m / s ² ) detected by the smartphone 20 is No. .. It is data accumulated and stored in chronological order from 1. In the present embodiment, the sampling period in which the acceleration is stored is 20 ms. Hereinafter, when the acceleration data f1, f2, ... Are not distinguished, they are referred to as "acceleration data fn". The sampling period in which the acceleration is stored in the acceleration data fn may be 20 ms or more or 20 ms or less.

Return to FIG. The RAM 4 is a volatile memory in which the CPU 2 rewritably stores various work data, flags, and the like when executing a program such as the control program 3a. The display device 7 is a display on which a display screen 40 (FIGS. 6 to 9) displaying vibration information stored in the vibration information table 3c is displayed, and an LCD is exemplified. The input device 8 is a device for inputting the date and time, the position from the starting point, the installation area, and the like to the CPU 2 in response to an operation by the user, and a mouse and a keyboard are exemplified.

The wireless communication device 9 is a device for performing wireless communication between the host PC 1 and the smartphone 20, and an example is a device compliant with the wireless LAN standard IEEE802.11b / g. Each value of the transmission position data 3b and the measurement start instruction and end instruction of the vibration information are transmitted from the wireless communication device 9 to the smartphone 20. Further, the wireless communication device 9 receives the vibration information transmitted from the smartphone 20 (that is, the value of the vibration information memory 23c described later), and the vibration information is added to the vibration information table 3c.

Next, the electrical configuration of the smartphone 20 will be described. The smartphone 20 has a CPU 21, a flash ROM 22, and a RAM 23, which are connected to the input / output ports 25 via the bus line 24, respectively. The input / output port 25 is used to acquire the latitude and longitude values at which the smartphone 20 is located from the wireless communication device 26, the real-time clock (RTC) 27 for measuring the date and time, and the Global Positioning System (GPS) satellite. The GPS receiver 28, the 3-axis acceleration sensor 29 that acquires the acceleration (unit: m / s ² ) in each of the X-axis direction, Y-axis direction, and Z-axis direction of the smartphone 20, the display device 30, and the input device 31. Are connected respectively.

The CPU 21 is an arithmetic unit that controls each unit connected by the bus line 24. The flash ROM 22 is a rewritable non-volatile memory, and is a transmission position in which the control program 22a, the position conversion data 22b, and each value of the transmission position data received from the host PC 1 (that is, each value of the transmission position data 3b) are stored. Data 22c is stored. When the control program 22a is executed by the CPU 21, the main process of FIG. 4A is executed.

The position conversion data 22b is a data table in which the values of latitude and longitude and the position from the starting point are associated and stored. By searching the position conversion data 22b for the latitude and longitude values acquired from the GPS receiver 28, the position from the starting point closest to the latitude and longitude values is acquired.

The RAM 23 is a volatile memory that rewritably stores various work data, flags, and the like when the CPU 21 executes a program such as the control program 22a, and the installation area memory 23a that stores the installation area name input by the user. The acquisition acceleration memory 23b, the vibration information memory 23c, and the transmission position memory 23d are provided, respectively. The acquired acceleration memory 23b is a memory in which accelerations in the Y-axis direction acquired from the 3-axis acceleration sensor 29 are accumulated and stored in chronological order. Since the data structure and sampling period of the acquisition acceleration memory 23b are the same as those of the acceleration data fn (FIG. 3C) described above, detailed description thereof will be omitted.

The vibration information memory 23c is a memory for storing vibration information to be transmitted to the host PC 1. Specifically, the date and time acquired from the RTC 27, the value of the acquired acceleration memory 23b, the traveling speed, the position from the starting point acquired from the GPS receiving device 28, and the position from the starting point acquired from the GPS receiving device 28 are input to the vibration information memory 23c from the input device 31. The installation area is memorized. The transmission position memory 23d is a memory that is acquired from the transmission position data 22c and stores a transmission position to be compared with the current position described later.

The wireless communication device 26 is a device for performing wireless communication between the smartphone 20 and the host PC 1, and an example is a device conforming to the wireless LAN standard IEEE802.11b / g. The value of the vibration information memory 23c is transmitted from the wireless communication device 26 to the host PC 1. Further, the wireless communication device 26 receives each value of the transmission position data 3b and the measurement start instruction and the measurement end instruction of the vibration information from the host PC1.

The 3-axis acceleration sensor 29 is a sensor that acquires acceleration data (unit: m / s ² ) of the smartphone 20 in the X-axis direction, the Y-axis direction, and the Z-axis direction. If a change in acceleration is detected in each coordinate axis direction, the acceleration is output at that point. On the other hand, if no change in acceleration is detected, the acceleration at that time is output every 20 ms.

The display device 30 is a display for displaying information on the smartphone 20 and a setting screen such as an installation area, and an LCD is exemplified. The input device 31 is an input device for inputting an instruction by the user to the smartphone 20, and a touch panel is exemplified.

Next, with reference to FIGS. 4 and 5, the main process executed by the CPU 2 of the host PC 1 and the main process executed by the CPU 21 of the smartphone 20 will be described. First, the main processing of the smartphone 20 will be described. FIG. 4A shows the main processing of the smartphone 20. The main process of the smartphone 20 is executed when the execution instruction of the control program 22a is input from the input device 31.

In the main process of the smartphone 20, first, the installation area name in which the smartphone 20 is installed, which is input by the user in the input device 31, is acquired and stored in the installation area memory 23a (S1). After the processing of S1, it is confirmed whether each value of the transmission position data 3b is received from the host PC 1 (S2), and if each value of the transmission position data 3b is received (S2: Yes), the received transmission position data. Each value of 3b is stored in the transmission position data 22c (S3). On the other hand, when each value of the transmission position data 3b is not received (S2: No), in order to prevent the measurement of vibration information from starting in a state where each value of the transmission position data 3b is not received from the host PC1, S2 Repeats the determination process of and waits for each value of the transmission position data 3b to be received from the host PC1. Then, after the processing of S3, the first transmission position data, that is, the transmission position of "No. 1" in the transmission position data 22c is acquired from the transmission position data 22c and stored in the transmission position memory 23d (S4).

After the processing of S4, it is confirmed whether or not the measurement start instruction of the vibration information is received from the host PC1 (S5). If the measurement start instruction has not been received (S5: No), the process of S5 is repeated and the process waits for the measurement start instruction to be received. As will be described later in the process of S22 in FIG. 4B, the measurement start instruction is transmitted from the host PC 1 to all the smartphones 20 in the railway vehicle T. As a result, the acquisition and transmission processing of the vibration information after S6 is waited until the smartphone 20 receives the measurement start instruction, so that the measurement start timing in each smartphone 20 can be aligned.

On the other hand, when the measurement start instruction is received from the host PC1 in the processing of S5 (S5: Yes), the acceleration in the Y-axis direction for each sampling period (20 ms) acquired from the 3-axis acceleration sensor 29 is acquired by the acquired acceleration memory 23b. Add to (S6). Specifically, the latest acceleration acquired from the 3-axis acceleration sensor 29 is acquired as the acceleration during the 20 ms at the timing of every 20 ms, and is added to the acquired acceleration memory 23b.

The 3-axis acceleration sensor 29 outputs the acceleration when the acceleration changes, but on the other hand, when the acceleration does not change, the acceleration at that time is output every 20 ms. In the present embodiment, the sampling period in which the acceleration is added to the acquisition acceleration memory 23b is 20 ms. Then, the latest acceleration output from the 3-axis acceleration sensor 29 during the latest 20 ms is acquired as the acceleration during the 20 ms. As a result, a new acceleration output from the 3-axis acceleration sensor 29 can always be acquired within the sampling cycle. Since the acquisition acceleration memory 23b stores the acceleration for each sampling cycle, it is possible to analyze the acceleration by applying various analysis methods such as spectrum analysis to the value of the acquisition acceleration memory 23b.

After the processing of S6, the current latitude and longitude values are acquired from the GPS receiver 28. Then, the latitude and longitude values are searched for in the position conversion data 22b, and the distance between the smartphone 20 and the starting point, that is, the current position is acquired (S7).

After the processing of S7, it is confirmed whether or not the current position is equal to or greater than the value of the transmission position memory 23d, that is, whether or not the transmission position has been reached (S8).

In the processing of S8, when the current position is equal to or higher than the transmission position (S8: Yes), it is the timing to transmit the vibration information detected up to that point to the host PC 1. Therefore, first, the latitude and longitude of the GPS receiver 28 The traveling speed is calculated from the value of (S9). Specifically, the movement distance from the previous process is calculated from the latitude and longitude values acquired from the GPS receiver 28 in the process of S7 and the latitude and longitude values in the previous process of S7. The traveling speed is calculated by dividing the moving distance by the time difference from the previous processing execution of S7.

After the processing of S9, the date and time acquired from the RTC27, the value of the acquired acceleration memory 23b, the current position acquired by the processing of S7, the traveling speed calculated by the processing of S9, and the value of the installation area memory 23a are obtained. , Saved in the vibration information memory 23c (S10). After the processing of S10, the value of the vibration information memory 23c is transmitted to the host PC 1 via the wireless communication device 26 (S11). As a result, the vibration information detected by the smartphone 20 is transmitted to the host PC 1 between the previous transmission position and the transmission position reached this time.

After the processing of S11, the transmission position is reached, and the value of the acquired acceleration memory 23b acquired up to that point is transmitted to the host PC1 as vibration information. Therefore, in preparation for the acquisition of the next acceleration, the acquired acceleration memory 23b Clear the value (S12). After the processing of S12, the next transmission position, that is, the transmission position of the next “No.” in the transmission position data 22c is acquired from the transmission position data 22c and stored in the transmission position memory 23d (S13). As a result, the value of the transmission position memory 23d to be compared with the current position in the process of S8 is updated to the next transmission position. After the processing of S13, it is confirmed whether the measurement of the vibration information is completed (S14). In the smartphone 20, the measurement end of the vibration information is determined when the measurement end instruction is transmitted from the host PC 1, or the value of the transmission position memory 23d represents the end of the transmission position data 22c "(END)". Is the case. In such a case (S14: Yes), the main process is terminated.

On the other hand, if it is not the measurement end timing (S14: No), the process of S6 and the following are repeatedly executed. Further, even when the current position has not reached the transmission position in the process of S8 (S8: No), the process of S6 and the following are repeatedly executed.

Next, the main process of the host PC 1 will be described with reference to FIG. 4 (b). FIG. 4B is the main process of the host PC1. The main process of the host PC 1 is executed after the power of the host PC 1 is turned on.

The main process of the host PC 1 first confirms whether the measurement start instruction has been input from the input device 8 by the user (S20). When the measurement start instruction is input (S20: Yes), each value of the transmission position data 3b is transmitted to all smartphones 20 (S21).

After the processing of S21, the measurement start instruction is transmitted to all the smartphones 20 in the railway vehicle T (S22). In response to this measurement start instruction, the smartphone 20 starts measuring vibration information by the process of S5 in FIG. 4A. After the processing of S22, it is confirmed whether or not the smartphone 20 is measuring, that is, between the measurement start instruction by the processing of S22 and the end of the measurement (S23). The host PC 1 determines that the measurement of the vibration information is completed when all the smartphones 20 receive the vibration information of all the transmission positions other than "(END)" stored in the transmission position data 3b, or the host PC 1 determines. It is assumed that the measurement end instruction is transmitted (process of S27 described later).

In the process of S23, if measurement is in progress (S23: Yes), it is confirmed whether vibration information has been received from the smartphone 20 (S24). When the vibration information is received (S24: Yes), the received vibration information is added to the vibration information table 3c (S25). As a result, the vibration information detected and transmitted by the smartphone 20 in the processes of S6 to S11 of FIG. 4A is added to the vibration information table 3c of the host PC 1, and the display device is displayed in the display process (S28) described later. It is displayed in 7. On the other hand, if the vibration information is not received (S24: No), the process of S25 is skipped.

After the processing of S24 and S25, it is confirmed whether the vibration information at all the transmission positions stored in the transmission position data 3b has been received from all the smartphones 20 (S26). When the vibration information at all the transmission positions is received (S26: Yes), the measurement end instruction is transmitted to the smartphone 20 (S27). On the other hand, if the vibration information at all the transmission positions is not received (S26: No), the process of S27 is skipped.

If measurement is not in progress in the process of S23 (S23: No), the processes of S24 to S27 are skipped. Then, after the processes of S23, S26, and S27, a display process of displaying the vibration information of the vibration information table 3c on the display device 7 is performed (S28). After the display process of S28, the process of S20 and the following are repeatedly executed.

The display process in S28 will be described with reference to FIGS. 5 to 9. In FIG. 5, the display process first confirms the display mode (S50). The display modes include "real-time display" that displays the latest vibration information for each installation area, and "position designation display" that displays vibration information for each installation area that corresponds to the specified position, at the specified time. A "time designation display" that displays vibration information for each applicable installation area and a "installation area designation display" that graphs the transition of vibration information in the designated installation area are provided.

In the process of S50, when the display mode is set to real-time display (S50: real-time), the display device 7 displays the display screen 40 in the real-time display of FIG. Here, with reference to FIGS. 5 and 6, a display screen 40 in real-time display and a display process at that time will be described. FIG. 6A is a diagram showing a display screen 40 (all installation areas) in real-time display, and FIG. 6B is a diagram showing a display screen 40 (installation area designation) in real-time display.

At the top of the display screen 40 in real-time display, there is a real-time button 41 that sets the display mode to real-time display, a position specification button 42 that sets the display mode to position-specified display, and a time specification that sets the display mode to time-specified display. The button 43 and the installation area designation button 44 for setting the display mode to the installation area designation display are displayed. The real-time button 41 is provided with a frame indicating that the set display mode is real-time display.

A date setting area 45 and an installation area designation 46 are displayed below the buttons 41 to 44. The date setting area 45 is a display area for displaying or setting the date in the vibration information. When the display mode is real-time display, the latest acquired vibration information is displayed on the display screen 40, and it is not necessary to set the date. Therefore, the date setting area 45 is the date of the acquired vibration information. Only display is done.

The installation area designation 46 is a setting area for setting the installation area to be displayed in the result display area 47. The input device 8 inputs the installation area to the installation area designation 46.

Below the date setting area 45 and the installation area designation 46, a result display area 47 on which the acquired vibration information is displayed and scroll buttons 48 and 49 (see FIG. 7) are displayed. When "all display" is specified in the installation area designation 46, the latest vibration information in the entire installation area of the railway vehicle T is displayed in the result display area 47 (FIG. 6A). On the other hand, when the installation area is designated by the installation area designation 46, the latest vibration information in the designated installation area is displayed in the result display area 47 (FIG. 6B). ). In addition, in the installation area designation 46 of FIG. 6B, "*" is a symbol representing all of the rolling stock 60 constituting the railroad car T. For example, "* -5" represents the installation area number "5" in each vehicle 60. Although not shown, when one or more installation area names (1-1, 2, 5, etc.) are individually specified, vibration information of the corresponding installation area is displayed in the result display area 47. ..

The scroll buttons 48 and 49 are buttons for moving the display range of the installation area to the leading vehicle side or the rear vehicle side in the result display area 47. Since the result display area 47 cannot display the vibration information for all the installation areas, the scroll buttons 48 and 49 scroll the displayed installation area toward the leading vehicle side or the rear vehicle side to vibrate the desired installation area. Information can be displayed. The scroll buttons 48 and 49 are not displayed when the installation area cannot be further scrolled to the leading vehicle side or the rear vehicle side.

Next, the display process when the display mode is real-time display will be described. In the display process of FIG. 5, when real-time display is set as the display mode (S50: real-time display), the latest vibration information in the entire installation area is acquired from the vibration information table 3c (S51), and the installation area designation 46 is set. When the installation area is designated (S54: Yes), among the vibration information acquired in the process of S51, the vibration information of the installation area designated by the installation area designation 46 is acquired (S55). On the other hand, if the installation area is not specified in the installation area designation 46, that is, if "all display" is specified in the installation area designation 46 (S54: No), the process of S55 is skipped. Then, the vibration information acquired in the processes of S51 and S55 is displayed in the result display area 47 (S56).

Specifically, among the values of the date and time memory 3c1 of the acquired vibration information, the date value is displayed in the date setting area 45, and the time value is the "time" in the display area of the corresponding installation area in the result display area 47. Is displayed. The value of the acquired vibration information position memory 3c4 is displayed in the "position" of the display area of the corresponding installation area, and the value of the speed memory 3c3 is displayed in the "speed" of the display area of the corresponding installation area. Then, the acceleration at the end of the acceleration data fn, that is, the latest acceleration of the acceleration data fn stored in the vibration acceleration memory 3c2 of the acquired vibration information is displayed in "vibration" in the display area of the corresponding installation area.

As described above, the latest vibration information for each installation area in the same vehicle 60 is displayed on the display screen 40 (all installation areas) in the real-time display shown in FIG. 6A. Further, on the display screen 40 (installation area designation) in the real-time display shown in FIG. 6B, the latest vibration information in the same installation area number for each vehicle 60 is displayed. This makes it possible to compare the accelerations between the installation areas while monitoring the acceleration (vibration status) detected during traveling for each installation area at any time. For example, if vibration of a certain level or higher is continuously detected in a certain installation area, there is a possibility that the vehicle body or the bogie of the vehicle 60 is out of order or the vibration isolation measures are inadequate. By checking the real-time display screen, the user can quickly recognize these and can use them as clues for servicing the vehicle 60.

Return to FIG. In the process of S50, when the position designation display is set in the display mode (S50: position designation), the display device 7 displays the display screen 40 in the position designation display of FIG. 7. Here, with reference to FIGS. 5 and 7, the display screen 40 in the position designation display and the display processing at that time will be described. FIG. 7A is a diagram showing a display screen 40 (all installation areas) in the position designation display, and FIG. 7B is a diagram showing a display screen 40 (installation area designation) in the position designation display.

A real-time button 41, a position designation button 42, a time designation button 43, and an installation area designation button 44 are displayed on the upper part of the display screen 40 in the position designation display. The position designation button 42 is provided with a border indicating that the set display mode is the position designation display.

Below the buttons 41 to 44, a date setting area 45, an installation area designation 46, and a position designation area 50 are displayed. When the display mode is real-time display, the latest acquired vibration information is displayed on the display screen 40, and it is not necessary to set the date. Therefore, the date setting area 45 is the date of the acquired vibration information. Only display is done. The position designation area 50 is a setting area for designating the position of the vibration information displayed in the result display area 47 from the starting point among the vibration information stored in the vibration information table 3c via the input device 8. is there.

Further, a result display area 47 and scroll buttons 48 and 49 are displayed below the date setting area 45, the installation area designation 46, and the position designation area 50. When "all display" is specified in the installation area designation 46, the vibration information of the position specified in the position designation area 50 in the entire installation area of the railway vehicle T is displayed in the result display area 47 in the result display area 47. (Fig. 7 (a)). On the other hand, when the installation area is designated by the installation area designation 46, the vibration information of the position specified by the position designation area 50 in the corresponding installation area of the railway vehicle T is displayed in the result display area 47. It is displayed on 47 (FIG. 7 (b)).

Next, the display processing when the display mode is the position designation display will be described. In the display process of FIG. 5, when the position designation display is set as the display mode (S50: position designation display), the position from the starting point designated by the position designation area 50 or more and the most in all the installation areas. The vibration information of the value of the approximate position memory 3c4 is acquired (S52). When the installation area is specified by the installation area designation 46 after the processing of S52 (S54: Yes), it is specified by the installation area designation 46 among the vibration information of the installation area acquired by the processing of S51. Acquire vibration information of the installation area (S55). On the other hand, if the installation area is not specified in the installation area designation 46 (S54: No), the process of S55 is skipped. Then, the vibration information acquired in the processes of S52 and S55 is displayed in the result display area 47 (S56).

Specifically, in the process of S56, among the values of the date and time memory 3c1 of the acquired vibration information, the date value is displayed in the date setting area 45, and the time value is displayed in the display area of the corresponding installation area in the result display area 47. It is displayed in "Time" of. The value of the speed memory 3c3 is displayed in the "speed" of the display area of the corresponding installation area.

Next, the acquired vibration information is stored by dividing the difference between the position from the starting point designated in the position designation area 50 and the value of the position memory 3c4 of the acquired vibration information by the value of the speed memory 3c3. The "time difference" between the time and the time after passing the position from the specified starting point is calculated.

When the acquired vibration information is detected below the position from the specified starting point, the time difference is calculated from the last element of the acceleration data fn stored in the vibration acceleration memory 3c2 of the acquired vibration information. The acceleration of the retroactive element is acquired by the number divided by the sampling period (20 ms). Then, the acquired acceleration is displayed in "vibration" in the display area of the corresponding installation area.

Since the acceleration is accumulated and stored in the acceleration data fn for each sampling cycle, the acceleration at a desired timing is obtained from the time difference from the value of the date and time memory 3c1 which is the date and time when the last acceleration of the acceleration data fn is stored. Can be obtained accurately.

As described above, on the display screen 40 (all installation areas) in the position designation display shown in FIG. 7A, the vibration detected when the smartphone 20 in all the installation areas travels in the position designated in the position designation area 50. Since the information is displayed in the result display area 47, the acceleration when passing through the position can be compared and displayed between the installation areas of the same vehicle 60 and grasped. Further, on the display screen 40 (installation area designation) in the position designation display shown in FIG. 7B, the vibration detected when the smartphone 20 in the designated installation area travels in the position designated in the position designation area 50. Since the information is displayed in the result display area 47, the acceleration when passing through the position can be compared and displayed between the designated installation areas and grasped.

Further, for example, when the track on which the railway vehicle T travels is deteriorated, a remarkable acceleration is detected at that position. Therefore, on the display screen 40 in the position designation display, by inputting some positions in the position designation area 50 and displaying the vibration information, it is possible to pick up the position where the remarkable acceleration is detected, thereby the trajectory. It is possible to identify the position where inspection and track maintenance work are required.

In this case, the display screen 40 (all installation areas) in the position designation display is displayed, and at a certain position, it is remarkable in a certain number or more of the installation areas (for example, 80% or more of the installation areas) in the same vehicle 60. If a large acceleration is detected, it is judged that the track has deteriorated, and if a remarkable acceleration is detected in an installation area smaller than a certain number, vibration and soundproofing measures for the vehicle 60 in the corresponding installation area. It may be determined that there is a problem with the above. Thereby, it is possible to quickly and easily determine whether the remarkable acceleration detected at a certain position is detected due to the track or the vehicle 60.

Similarly, on the display screen 40 (installation area designation) in the position designation display, the installation area with the same installation area number is displayed, and at a certain position, among the installation areas with the same installation area number, a certain number or more of the installation areas are displayed. If a remarkable acceleration is detected in, it is judged that the track has deteriorated, and if a remarkable acceleration is detected in an installation area smaller than a certain number, the vibration isolation of the vehicle 60 in the corresponding installation area It may be determined that there is a problem with the soundproofing measures or the like.

Return to FIG. In the process of S50, when the time designation display is set in the display mode (S50: time designation), the display device 7 displays the display screen 40 in the time designation display of FIG. Here, with reference to FIGS. 5 and 8, the display screen 40 in the time designation display and the display processing at that time will be described. FIG. 8A is a diagram showing a display screen 40 (all installation areas) in the time designation display, and FIG. 8B is a diagram showing a display screen 40 (installation area designation) in the time designation display.

A real-time button 41, a position designation button 42, a time designation button 43, and an installation area designation button 44 are displayed on the upper part of the display screen 40 in the time designation display. The time designation button 43 is provided with a border indicating that the set display mode is the position designation display.

Below the buttons 41 to 44, a date setting area 45, an installation area designation 46, and a time designation area 51 are displayed. The time designation area 51 is a setting area for designating the time of the vibration information to be displayed in the result display area 47 among the vibration information stored in the vibration information table 3c via the input device 8. Further, the result display area 47 and the scroll buttons 48 and 49 are displayed below the date setting area 45, the installation area designation 46, and the time designation area 51.

The acquisition and display processing of the vibration information displayed in the result display area 47 when the display mode is the time designation display will be described with reference to FIGS. 5 and 8. In the display process of FIG. 5, when the time designation display is set as the display mode (S50: time designation display), the date and time specified in the date setting area 45 and the time designation area 51 are the most in all the installation areas. The vibration information of the value of the approximate date and time memory 3c1 is acquired (S53). If the installation area is specified by the installation area designation 46 after the processing of S53 (S54: Yes), among the vibration information acquired by the processing of S53, the vibration information specified by the installation area designation 46 is used. Acquire (S55). On the other hand, if the installation area is not specified in the installation area designation 46 (S54: No), the process of S55 is skipped. Then, the vibration information acquired in the processes of S53 and S55 is displayed in the result display area 47 (S56).

Specifically, in the process of S56, among the values of the date and time memory 3c1 of the acquired vibration information, the date value is displayed in the date setting area 45, and the time value is displayed in the corresponding installation area in the result display area 47. It is displayed in the "time" of the area. The value of the speed memory 3c3 is displayed in the "speed" of the display area of the corresponding installation area.

Next, the "time difference" between the date and time input in the setting areas 45 and 51 and the value of the date and time memory 3c1 of the vibration information for each installation area is obtained. If the acquired vibration information is detected before the date and time entered in the setting areas 45 and 51, the value obtained by adding the calculated time difference to the value of the date and time memory 3c1 is displayed in "time", and the vibration acceleration is displayed. From the last element of the acceleration data fn stored in the memory 3c2, the acceleration of the retroactive element is acquired by the number obtained by dividing the time difference by the sampling period of the acceleration data fn. Then, the acquired acceleration is displayed in "vibration".

In this way, on the display screen 40 in the time designation display, the vibration information detected by the smartphone 20 in each installation area at the date and time designated in the setting areas 45 and 51 is displayed in the result display area 47, so that once. Acceleration on the same date and time during driving can be compared and displayed between installation areas.

As described above, on the display screen 40 (all installation areas) in the time designation display shown in FIG. 8A, the smartphone 20 in all the installation areas detected the date and time designated in the date setting area 45 and the time designation area 51. Since the vibration information is displayed in the result display area 47, it is possible to compare and display the accelerations on the same date and time during one trip among the installation areas of the same vehicle 60. Further, on the display screen 40 (installation area designation) in the time designation display shown in FIG. 8B, the smartphone 20 in the designated installation area detects the date and time specified in the date setting area 45 and the time designation area 51. Since the vibration information is displayed in the result display area 47, it is possible to compare and display the accelerations on the same date and time during one run between the designated installation areas.

Further, for example, when the railway vehicle T rushes into a tunnel or the like, there is a difference in the vibration detected between the vehicle 60 that has already rushed into the tunnel and the vehicle 60 that has not rushed into the tunnel, even though the time is the same. Occurs. Therefore, the time near the tunnel entry is specified by the date setting area 45 and the time designation area 51, and the installation area after entering the tunnel at that time and the installation area that has not entered the tunnel are designated by the installation area designation 46. By designating and displaying the difference, the difference between these vibrations can be grasped, which is a clue to improve the riding comfort of the vehicle 60.

Return to FIG. In the process of S50, when the installation area designation display is set in the display mode (S50: installation area designation), the display device 7 displays the display screen 40 in the installation area designation display of FIG. Here, with reference to FIGS. 5 and 9, the display screen 40 in the installation area designation display and the display processing at that time will be described. FIG. 9A is a diagram showing a display screen 40 (horizontal axis: position) in the installation area designation display, and FIG. 9B is a diagram showing a display screen 40 (horizontal axis: time) in the installation area designation display. is there.

A real-time button 41, a position designation button 42, a time designation button 43, and an installation area designation button 44 are displayed on the upper part of the display screen 40 in the installation area designation display. The installation area designation button 44 is provided with a frame line indicating that the set display mode is the installation area designation display.

Below the buttons 41 to 44, a date setting area 45, an installation area designation 46, and a horizontal axis designation area 52 are displayed. The horizontal axis designation area 52 is a setting area for designating whether the vibration information displayed in the result display area 47 is displayed as a positional transition or a temporal transition. Further, the result display area 47 is displayed below the date setting area 45, the installation area designation 46, and the horizontal axis designation area 52.

The acquisition and display processing of the vibration information displayed in the result display area 47 when the display mode is the installation area designation display will be described. In the display process of FIG. 5, when the installation area designation display is set as the display mode (S50: installation area designation), the total vibration matching the installation area input to the installation area designation 46 from the vibration information table 3c Information is acquired (S57), and the transition of the acquired total vibration information for each installation area is displayed as a graph in the result display area 47 (S58).

Specifically, in the process of S58, among the values of the date / time memory 3c1 of the acquired vibration information, the date value is displayed in the date setting area 45. In the result display area 47, the acceleration in the acceleration data fn stored in the vibration acceleration memory 3c2 of the acquired vibration information is set in time or the first time according to the horizontal axis (position or time) input in the horizontal axis designation area 52. It is associated with the position from the point and displayed as a graph. Since a plurality of installation areas can be set in the installation area designation 46, when a plurality of installation areas are set, in order to determine which installation area each graph displayed in the result display area 47 is based on. , Line types (for example, solid line, broken line, etc.) are associated with each installation area and displayed as a graph.

In this way, the display screen 40 (horizontal axis: position) in the installation area designation display shown in FIG. 9A can grasp the positional transition of the acceleration detected in the designated installation area. In addition, by displaying a graph of acceleration for a plurality of installation areas, it is possible to grasp at a glance the transition of the difference in acceleration detected at the same position or time between the installation areas.

Further, on the display screen 40 (horizontal axis: position) in the installation area designation display, a position near the detection of remarkable acceleration is specified, and the position designation area 50 of the display screen 40 in the position designation display of FIG. By designating some positions around the vicinity, it is possible to specify the exact position where the remarkable acceleration is detected, and to grasp the value of the acceleration. That is, by combining the display screen 40 (horizontal axis: position) in the installation area designation display of FIG. 9A and the display screen 40 in the position designation display of FIG. 7, the position where remarkable acceleration or the like is detected and its position. Acceleration values can be obtained quickly and accurately.

Further, in FIG. 9B, the time transition of the acceleration detected in the designated installation area can be grasped from the display screen 40 (horizontal axis: time) in the installation area designation display. In addition, by displaying a graph of acceleration for a plurality of installation areas, it is possible to grasp at a glance the transition of the difference in acceleration detected at the same position or time between the installation areas.

Further, when a remarkable acceleration is detected at a certain time on the display screen 40 (horizontal axis: time) in the installation area designation display, the date setting area 45 and the time designation area are displayed on the display screen 40 in the time designation display of FIG. By designating some times in the vicinity of 51 with respect to 51, it is possible to specify an accurate time when a remarkable acceleration is detected, and further to grasp the value of the acceleration. That is, by combining the display screen 40 (horizontal axis: time) in the installation area designation display of FIG. 9B and the display screen 40 in the time designation display of FIG. 8, the time when a remarkable acceleration or the like is detected and the time The value of the acceleration can be obtained quickly and accurately.

Return to FIG. After the processing of S56 and S58, the display processing is terminated, and the process returns to the main processing of FIG. 4B.

As described above, according to the vibration display system 100 in the present embodiment, the smartphone 20 is installed in each installation area, and the vibration information detected by the smartphone 20 in the installation area is transmitted to the host PC 1. Then, since the host PC 1 displays the received vibration information on the display device 7 in the result display area 47 according to the display mode, the acceleration due to the plurality of installation areas of the vehicle 60 during the same traveling is displayed. I can grasp it. For example, the accelerations of the first seat, the center seat, and the rear seats in the same vehicle 60 can be compared and grasped, and the accelerations of the window side seats and the aisle side seats of the same row seats can be compared and grasped. .. In addition, the first car, the second car, ... .. .. It is possible to compare and display each acceleration of the front, center or rear seats, floors, luggage racks, etc. of the vehicle 60.

Further, since the smartphone 20 is a portable electronic device having a 3-axis acceleration sensor 29, a GPS receiving device 28, and a wireless communication device 26, the smartphone 20 is fixed to a place where vibration information of the railroad vehicle T is detected. Installation is possible just by. Therefore, such installation can be easily performed and vibration can be detected. In addition, since the smartphone 20 is only fixed to the place where vibration information is desired, various parts of the railcar T, such as a seat surface, a backrest surface, an armrest surface, a seat table, a luggage rack, an aisle, a ceiling, a window surface, and a side surface. By fixing the smartphone 20 to or the like, the vibration information thereof can be detected.

Although the present invention has been described above based on the embodiments, the present invention is not limited to the above-described embodiments, and it is easy that various improvements and changes can be made without departing from the spirit of the present invention. It can be inferred from.

In the present embodiment, the smartphone 20 is exemplified as the portable electronic device. However, the present invention is not necessarily limited to this, and other portable electronic devices such as tablet computers and wearable terminals as long as they have a 3-axis acceleration sensor 29, a GPS receiving device 28, and a wireless communication device 26. Can also be applied to.

In the present embodiment, the host PC 1 and the smartphone 20 of the vibration display system 100 are installed on the railroad vehicle T in which a plurality of vehicles 60 are connected. However, the present invention is not limited to this, and the railway vehicle T may be composed of a single vehicle 60, and the host PC 1 and the smartphone 20 may be installed in the vehicle 60. In that case, the installation location of the host PC 1 is not limited to the front of the vehicle 60, but may be the rear of the vehicle 60, or may be on the aisle or on the seat. Further, not only the railroad vehicle T in which a plurality of the same vehicle types (for example, ordinary cars and green cars) are connected, but also the host PC1 and the railroad vehicle T in which a plurality of different vehicle types are connected are connected. The smartphone 20 may be installed. Further, the vibration display system 100 may be applied not only to the railway vehicle T (vehicle 60) but also to various transportation devices such as passenger cars such as buses, ships such as ferries, and passenger planes.

In the present embodiment, the transmission position of the vibration information stored in the transmission position data 3b is set to every 0.1 km. However, the present invention is not necessarily limited to this, and may be 0.1 km or more or less, and the transmission position may not be at regular intervals. Further, the timing at which the smartphone 20 transmits the vibration information may be not the transmission position but a fixed time (for example, every 1s) or a time specified in advance.

In the present embodiment, the host PC 1 is installed in the railway vehicle T. However, the present invention is not limited to this, and the vehicle may be installed outside the vehicle 60, such as the platform of a main station. In that case, first, at the installation location of the host PC 1, the transmission position data 3b and the measurement start instruction to the smartphone 20 are transmitted from the host PC 1, and then when the smartphone 20 arrives at the installation location of the host PC 1, it is transmitted. The vibration information detected up to this point may be transmitted to the host PC1.

Further, the host device within the scope of claims is not limited to the host PC 1 installed in the railroad vehicle T, and may be a cloud PC or a server on the network. As a result, data such as vibration information can be transmitted and received at any time in the section where the cloud PC or server and the smartphone 20 can communicate with each other. Further, in this case, the cloud PC, the server, and the smartphone 20 may be configured to send and receive data such as vibration information via the Internet line.

In the present embodiment, the installation area divides the vehicle 60 into six equal parts. However, the present invention is not necessarily limited to this, and it may be divided into 6 equal parts or more, or 6 equal parts or less. In addition, it is not always necessary to divide the vehicle 60 into equal parts. For example, the installation area should be spread all around the seats (seat surface, armrest, backrest, seat table, luggage rack, aisle, ceiling, window surface, side surface). In addition, the installation area may be configured. As a result, the acceleration sensed by the passengers while the railway vehicle T is traveling can be accurately detected, and it becomes a clue to identify a place where vibration isolation / soundproofing measures are required.

In the present embodiment, the installation area is represented by the installation area name, and the smartphone 20 is installed in the installation area to detect the vibration information. However, the present invention is not limited to this, and instead of the installation area name, the installation location of the smartphone 20 is represented by the ID code exemplified in the serial number, which is uniquely assigned to the smartphone 20. Is also good.

In this case, the ID code of the smartphone 20 and the installation location of the smartphone 20 in the railway vehicle T are stored in the host PC 1 in advance. In the process of S1 of FIG. 4 (a), the ID code of the smartphone 20 is stored in the installation area memory 23a, and in the process of S56 of FIG. 5, the installation corresponding to the ID code of the smartphone 20 in the result display area 47. The detected vibration information may be displayed for the location. When the display mode is the installation area designation display, the temporal transition or the positional transition of the acceleration corresponding to the ID code of the smartphone 20 input to the installation area designation 46 may be displayed. By using the ID code of the smartphone 20 instead of the installation area name, the user does not have to input the installation area name to the smartphone 20 every time the vibration information is measured, so that the operability of the smartphone 20 is improved. ..

In the present embodiment, in the process of S10 of FIG. 4A, the date and time are acquired from the RTC 27 and stored in the vibration information memory 23c. However, the present invention is not necessarily limited to this, and the GPS receiver 28 acquires the date and time values received at the same time as the latitude and longitude values from the GPS satellites, stores them in the vibration information memory 23c, and omits the RTC27. It may be configured.

In the present embodiment, the acceleration data fn stores the acceleration in the Y-axis direction, and the acceleration in the Y-axis direction is displayed in the result display area 47 of FIGS. 6 to 9. However, the present invention is not necessarily limited to this, and the acceleration data fn may store the acceleration in the X-axis direction or the Z-axis direction, and all the accelerations in the X-axis, Y-axis, and Z-axis directions are stored. You may. Further, in that case, the acceleration in the arbitrary axial direction stored in the acceleration data fn may be displayed in the result display area 47.

Further, a known low-pass filter or high-pass filter may be applied to the acceleration data fn, and a value obtained by removing a specific noise component from the acceleration data fn may be displayed in the result display area 47. Further, the "ride comfort level" calculated from the acceleration data fn by a known calculation formula may be displayed in the result display area 47. This makes it possible to quantitatively display the ride quality perceived by passengers for each position, time, and installation area.

100 Vibration display system 1 Host PC (host device)
7 Display device 20 Smartphone (vibration detection device)
23b Acquisition acceleration memory (acceleration storage means)
23c Vibration information memory (vibration information)
26 Wireless communication device (wireless communication unit)
27 RTC (time acquisition means)
28 GPS receiver (traveling position detection means, GPS receiver)
29 3-axis accelerometer (accelerometer, accelerometer)
45 Date setting area (part of time designation means)
46 Installation area designation (installation position designation means)
50 Position designation area (traveling position designation means)
51 Time designation area 51 (part of time designation means)
S10 Vibration information storage means S11 Transmission means S56, S58 Display control means

Claims (4)

A display that displays a plurality of vibration detection devices installed at a plurality of locations on a railroad vehicle, a host device that receives the vibration detection results detected by the plurality of vibration detection devices, and a vibration detection result received by the host device. In the vibration display system of a railroad vehicle equipped with a device,
The plurality of vibration detection devices
An installation position storage means for storing the installation position of the vibration detection device in the railway vehicle, and
Acceleration detecting means for detecting acceleration and
Acceleration storage means that accumulates and stores the acceleration detected by the acceleration detection means together with the time element at the time of the acceleration detection, and
A traveling position detecting means for detecting the traveling position of the vibration detection device accompanying the traveling of the railway vehicle, and a traveling position detecting means.
Under the first predetermined condition, the vibration information storage means that stores the traveling position detected by the traveling position detecting means and the acceleration stored in the acceleration storage means as vibration information in association with each other.
Under the second predetermined condition, the vibration information stored in the vibration information storage means and the transmission means for transmitting the installation position of the vibration detection device stored in the installation position storage means to the host device are provided.
The host device is
An installation position designating means for designating the installation position of the vibration detection device for displaying the vibration detection result, and
A railway vehicle characterized in that it is provided with a display control means for displaying the result of vibration detection based on vibration information transmitted from the vibration detection device at the installation position designated by the installation position designating means on the display device. Vibration display system. The host device includes a traveling position designating means for designating a traveling position for displaying a vibration detection result.
The display control means is the result of vibration detection based on the vibration information of the traveling position designated by the traveling position designating means among the vibration information transmitted from the vibration detecting device of the installation position designated by the installation position designating means. The vibration display system for a railroad vehicle according to claim 1, wherein the above-mentioned display device is used to display the vibration display system. Each of the plurality of vibration detection devices includes time acquisition means for acquiring the time, and the vibration information storage means obtains the time acquired by the time acquisition means as a part of the vibration information under the first predetermined condition. It is something to remember as
The host device includes a time designation means for designating a time for displaying the vibration detection result.
The display control means uses the vibration detection result based on the vibration information at the time specified by the time designation means among the vibration information transmitted from the vibration detection device at the installation position designated by the installation position designation means. The vibration display system for a railroad vehicle according to claim 1 or 2, wherein the display is to be displayed on a display device. The railway vehicle according to any one of claims 1 to 3, wherein the vibration detection device includes a smartphone or a tablet computer including an acceleration sensor, a GPS receiving unit, and a wireless communication unit. Vibration display system.

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