JP2009181796A - Engagement state check device for connector, and its method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To check easily the engagement state of a connector even in an assembly line. <P>SOLUTION: A work signal output part 10 outputs a signal relating to work start and work finish. A vibration signal sampling part 60 extracts vibration occurring at the time of engagement of the connectors that a vibration signal output part 20 has output during a time period from when the signal of work start is output till when the signal of work finish is output. A comparison part 100 compares the vibration that the vibration signal output part 20 has output, the vibration occurring at the time of engagement of the connectors, with the vibration stored in a memory part 90. An engagement status determination part 110 determines whether or not engagement of connectors has been carried out regularly based on the comparison result. An information part 120 informs the determination result. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a connector fitting state confirmation apparatus and method for easily confirming the fitting state of a connector even in an assembly line.

  In recent years, the number of connectors used per vehicle is rapidly increasing as the on-board equipment becomes more electronic. A connector for electrical connection between devices is manually fitted by an operator in an assembly line. Whether or not the connectors are properly mated and connected securely depends on the presence or absence of a “click” sound during connector mating work, visual confirmation of “lock claw engagement”, and manual operation. This is done by performing all the connectors, such as checking the “fitted state”.

  However, since the connector fitting operation is performed in a narrow portion of the vehicle with a relatively poor sound environment, it is difficult to reliably perform the above confirmation for all the connectors. For this reason, it is difficult to ensure sufficient reliability of the fitting confirmation, and it takes some time for the confirmation, which hinders improvement in work efficiency.

As a technique for solving such a problem, there is a technique shown in Patent Document 1 below. In this technique, an inspection spacer is added to each connector so that it can be easily visually determined whether or not the fitting is normally performed depending on whether the spacer is held by the connector.
JP-A-5-74519

  However, in such a conventional technique, since the number of connectors currently used is as large as several hundred or more per vehicle, it is difficult in terms of cost to use a spacer for inspection for all connectors. In addition, there are a number of problems that it is difficult to make a visual judgment at a work site with a poor work posture.

  The present invention has been made in view of the above-described problems of the prior art, and a connector fitting state confirmation device capable of easily and appropriately confirming a connector fitting state even in an assembly line. And the provision of the method.

  In order to achieve the above object, a connector fitting state confirmation device according to the present invention is a device for confirming the connector fitting state, and is a work signal output means, vibration signal output means, transmission means, and reception means. , Work recognition means, vibration signal extraction means, vibration waveform generation means, detection means, storage means, comparison means, and fitting state determination means.

  The work signal output means outputs signals related to the start of work and the end of work. The vibration signal output means outputs a signal relating to vibration in the three-dimensional direction when the connector is fitted to the worker. The transmission means transmits a signal output from the work signal output means and a signal output from the vibration signal output means. The receiving means receives the signal transmitted by the transmitting means. The work recognition means recognizes the start of work and the end of work based on the signal received by the receiving means. The vibration signal extracting means outputs a signal regarding the vibration in the three-dimensional direction at the time of the connector fitting received by the receiving means from the time when the work recognizing means recognizes the start of the work until the end of the work is recognized. Extract. The vibration waveform generating means generates an orthogonal X, Y, Z axis vibration waveform and a three-dimensional vibration waveform based on the signal relating to the three-dimensional vibration at the time of connector fitting extracted by the vibration signal extraction means. To do. The detecting means detects a vibration level when the connector is fitted based on the vibration waveform in the three-dimensional direction generated by the vibration waveform generating means, and detects any axis based on the vibration waveform in the X, Y, and Z axis directions. Detect the phase difference between each other. The storage means stores a vibration level and a phase difference between the vibration waveforms for determining the fitting state of the connector. The comparison means compares the vibration level at the time of connector fitting detected by the detection means and the phase difference between the vibration waveforms of any of the shafts with the vibration level and the phase difference between the vibration waveforms stored in the storage means. To do. As a result of comparison by the comparison means, the fitting state determination means has a detected vibration level at the time of connector fitting that is equal to or higher than a vibration level stored in advance, and any axis of the detected vibration waveform at the time of connector fitting. When the phase difference between the two satisfies a predetermined condition, it is determined that the connector has been normally fitted.

When the predetermined condition is satisfied, the phase difference between the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction is within a predetermined wavelength. The difference in appearance time between the peak values of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction or the difference in appearance time of the minimum value is within a predetermined time. The rising direction or falling direction of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction must match. In the case where any two of these three conditions are satisfied, the fitting state determination means determines that the detected vibration level at the time of connector fitting does not reach the vibration level stored in advance. It is determined that the connector is not properly fitted.

  Further, the fitting state determining means is such that the detected vibration level at the time of connector fitting is equal to or higher than a previously stored vibration level, and the phase difference between the axes of any of the detected vibration waveforms at the time of connector fitting. If the predetermined condition is not satisfied, the connector is determined to be half-fitted.

  The connector fitting state confirmation device according to the present invention further includes a notifying unit, and notifies the connector fitting state determined by the fitting state determining unit. In addition, vehicle information providing means is further provided, which provides the notification means with information relating to the type of connector to which the connector is fitted and the type of connector possessed by the vehicle type.

  The connector fitting state confirmation device according to the present invention further includes a counting unit, a connector number storage unit, and a work end determination unit. The counting means counts the number of times that the fitting state determination means determines that the connector is normally engaged. The connector number storage means stores the number of connectors to be fitted. The work end determination means determines that the work of fitting the connector is completed when the number of times counted by the counting means matches the number of connectors stored in the connector number storage means.

  Moreover, the connector fitting state confirmation device according to the present invention further includes a connector number providing means, and provides the number of connectors to be stored in the connector number storage means for each vehicle type.

  The connector fitting state confirmation device according to the present invention further includes extraction means and determination condition readjustment means, and the extraction means extracts a signal relating to vibration in the three-dimensional direction during fitting and the fitting state of the connector. To do. The judging condition readjustment means is for judging that the connector has been normally fitted from the signal relating to the vibration in the three-dimensional direction at the time of fitting the connector extracted by the extracting means and the fitting state of the connector. Readjust the condition.

  A connector fitting state confirmation method according to the present invention is a method for confirming a connector fitting state, comprising: a vibration signal output means for outputting a signal relating to vibration in a three-dimensional direction when the connector is fitted. A step of attaching to an operator. At this stage, the vibration signal output means is attached to the worker. Next, a step of outputting a signal related to the start of work, a step of transmitting a signal related to the start of work, a step of receiving a signal related to the start of work, and a step of recognizing the start of work are performed. At these stages, the start of the connector fitting operation is recognized. And the step which an operator fits a connector is performed. Next, a step of transmitting a signal related to vibration in the three-dimensional direction at the time of connector fitting output from the vibration signal output means, a step of receiving a signal related to vibration in the three-dimensional direction at the time of connector fitting, The step of storing a signal relating to the vibration in the three-dimensional direction when the connector is fitted is performed. At these stages, the vibration in the three-dimensional direction that occurs when the connector is fitted is stored. Next, a step of outputting a signal regarding the end of work, a step of transmitting a signal regarding the end of work, a step of receiving a signal regarding the end of work, and a step of recognizing the end of work are performed. At these stages, the end of the connector fitting operation is recognized. Then, a step of extracting a signal from when the start of the work is recognized until the end of the work is recognized from the stored signal relating to the vibration in the three-dimensional direction when the connector is fitted is performed. Next, a step of generating orthogonal vibration waveforms in the X, Y, and Z-axis directions and a three-dimensional vibration waveform based on the extracted signals relating to vibration in the three-dimensional direction at the time of connector fitting is performed. Then, based on the generated vibration waveform in the three-dimensional direction, the vibration level when the connector is fitted is detected, and the phase difference between any of the axes is detected based on the vibration waveform in the X, Y, and Z axis directions. . Next, the detected vibration level when the connector is fitted and the phase difference of the vibration waveform between any of the axes are compared with the stored vibration level and phase difference of the vibration waveform. As a result of comparison by the comparison means, the detected vibration level at the time of connector fitting is equal to or greater than the vibration level stored in advance, and the detected phase difference between the axes of the vibration waveform at the time of connector fitting is When the predetermined condition is satisfied, it is determined that the connector has been normally fitted.

When the predetermined condition is satisfied, the phase difference between the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction is within a predetermined wavelength. The difference in appearance time between the peak values of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction or the difference in appearance time of the minimum value is within a predetermined time. The rising direction or falling direction of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction must match. This is the case where any two of these three conditions are satisfied. Also, if the detected vibration level at the time of connector fitting does not reach the pre-stored vibration level, the connector is not properly fitted. Judge that there is.

  Further, the detected vibration level at the time of connector fitting is equal to or higher than the vibration level stored in advance, and the phase difference between any axes of the detected vibration waveforms at the time of connector fitting does not satisfy the predetermined condition. In this case, the connector is determined to be half-fitted.

  In the connector fitting state confirmation method according to the present invention, the determined fitting state of the connector is further notified, and further, information on the vehicle type for fitting the connector and the type of connector possessed by the vehicle type is provided. provide.

  The connector mating state confirmation method according to the present invention counts the number of times that the connector has been successfully mated and counts the connector when the counted number matches the number of connectors set. It is determined that the operation of fitting is completed. The number of connectors to be set is provided for each vehicle type.

  The connector fitting state confirmation method according to the present invention further includes a start time, an end time, a vehicle type, a vehicle number, a type of a connector that is fitted, a fitting order of the connectors that are fitted, and a connector. , A signal related to vibration in the three-dimensional direction when the connector is fitted, and vehicle information such as the connector fitting state. The output vehicle information is stored. When the stored vehicle information is accessed based on at least the vehicle type and vehicle number according to a request from the market, a signal relating to the vibration in the three-dimensional direction at the time of fitting each connector and the connector The fitting state is extracted. Then, the condition for determining that the connector is normally fitted is readjusted from the extracted signal regarding the vibration in the three-dimensional direction at the time of fitting the connector and the fitting state of the connector.

  According to the connector fitting state confirmation device according to the first aspect of the present invention configured as described above, the signal relating to the vibration in the three-dimensional direction extracted while the start of the work and the end of the work are recognized. Since the fitting state of the connector is determined based on the above, the fitting state of the connector can be easily and appropriately confirmed on the assembly line.

  Moreover, according to the connector fitting state confirmation device according to the invention of claim 12, in addition to the effect of the invention of claim 1, forgetting to connect the connector can be surely prevented.

  Furthermore, according to the connector fitting state confirmation device of the invention described in claim 14, in addition to the effect of the invention described in claim 12, the connector is normally fitted based on a request from the market. It is possible to readjust the conditions for judging that it has been broken.

  According to the connector fitting state confirmation method according to the invention described in claim 15 configured as described above, the signal relating to the vibration in the three-dimensional direction extracted while the start of the work and the end of the work are recognized. Since the fitting state of the connector is determined based on the above, the fitting state of the connector can be easily and appropriately confirmed on the assembly line.

  According to the connector fitting state confirmation method of the invention described in claim 22, in addition to the effect of the invention of claim 15, forgetting to connect the connector can be surely prevented.

  Furthermore, according to the connector fitting state confirmation method of the invention described in claim 24, in addition to the effect of the invention of claim 22, the connector is normally fitted based on a request from the market. It is possible to readjust the conditions for judging that it has been broken.

Next, embodiments of the connector fitting state confirmation apparatus and method according to the present invention are divided into Embodiments 1 to 3 based on the respective aspects, and will be described in detail based on the drawings.
[Embodiment 1]
FIG. 1 is a block diagram of a connector fitting state confirmation apparatus according to the first embodiment. The connector fitting state confirmation device of this embodiment can easily and appropriately fit the connector even in an assembly line where the sound environment is not very good, or even in a work part with a poor working posture. It is a device that makes it possible to confirm.

  As illustrated in FIG. 1, the connector fitting state confirmation device according to the first embodiment includes a work signal output unit 10, a vibration signal output unit 20, and a transmission unit 30.

  The work signal output unit 10 functions as work signal output means. The work signal output unit 10 outputs signals related to the start and end of work in order to clarify the start time and end time of the connector fitting work. Specifically, it is a switching signal output device such as a headset microphone that collects “work start” and “work end” voices of a worker or a switch that outputs “work start” and “work end” signals. .

  The vibration signal output unit 20 functions as vibration signal output means. The vibration signal output unit 20 outputs a signal related to vibration in a three-dimensional direction when the connector is fitted to the worker. The vibration in the three-dimensional direction when the connector is fitted is a vibration generated when the locking means of the connector is fitted into the locking means of another member when the connector is fitted. Specifically, as shown in FIG. 2, the vibration signal output unit 20 includes a three-dimensional vibration sensor 20A and a three-dimensional vibration sensor 20A such as a piezo element that detects a signal related to vibration in a three-dimensional direction when the connector is fitted. And a belt 20B for wearing the belt. The three-dimensional vibration sensor 20A is mounted in the three-dimensional vibration sensor storage unit 20C provided in the belt 20B and is held by the belt 20. The vibration signal output unit 20 relating to the start and end of work is firmly fixed to the index finger of the worker as shown in FIG. 3 by the belt 20B. The vibration signal output unit 20 outputs a signal according to the magnitude of vibration in the X, Y, and Z axis directions orthogonal to each other when the connector is fitted, which is transmitted through the operator's finger. The belt 20B must be large enough to tightly tighten the operator's fingers. This is because vibration at the time of connector fitting is difficult to be transmitted. In the present embodiment, the case where the vibration signal output unit 20 is mounted on the index finger of the worker is illustrated, but the present invention is not limited to this, and a finger used when the connector is mounted, for example, a thumb may be used.

  The transmission unit 30 functions as a transmission unit. The transmission unit 30 wirelessly transmits a signal related to the start and end of work output from the work signal output unit 10 and a signal related to vibration in the three-dimensional direction at the time of fitting of the connector output from the vibration signal output unit 20. To do.

  The connector fitting state confirmation device according to the first embodiment includes a receiving unit 40, a work recognition unit 50, and a vibration signal extraction unit 60.

  The receiving unit 40 functions as a transmission unit. The receiving unit 40 receives a signal regarding the start and end of work output from the transmission unit 30 and a signal regarding vibration in the three-dimensional direction when the connector is fitted.

  The work recognition unit 50 functions as work recognition means. The work recognizing unit 50 recognizes whether or not the connector fitting work has been started and whether or not the work has been completed based on the signals related to the start and end of work output from the transmission unit 30. It is. For example, a connector fits on the basis of a switching signal such as a headset microphone that collects the “work start” and “work end” voices of the worker or a switch that outputs “work start” and “work end” signals. It is recognized whether the combined work has been started or not.

  The vibration signal extraction unit 60 functions as vibration extraction means. The vibration signal extraction unit 60 has a three-dimensional direction at the time of connector fitting received by the receiving unit 40 from the time when the work recognition unit 50 recognizes the start of the connector fitting work to the time when the work completion is recognized. Stores and extracts signals related to vibration.

  Furthermore, the connector fitting state confirmation device according to the first embodiment includes a vibration waveform generation unit 70, a detection unit 80, a storage unit 90, a comparison unit 100, and a fitting state determination unit 110.

  The vibration waveform generation unit 70 functions as vibration waveform generation means. The vibration waveform generation unit 70 is orthogonally crossed based on signals extracted by the vibration signal extraction unit 60, for example, as shown in FIGS. 4B and 4C, relating to vibration in a three-dimensional direction at the time of connector fitting. A vibration waveform in the Y and Z axis directions and a vibration waveform in the three-dimensional direction (vibration waveform in which vibration waveforms in the X, Y, and Z axis directions orthogonal to each other are synthesized) are generated.

  The detection unit 80 functions as detection means. The detection unit 80 detects the vibration level at the time of connector fitting based on the vibration waveform in the three-dimensional direction generated by the vibration waveform generation unit 70, and detects any axis based on the vibration waveform in the X, Y, and Z axis directions. Detect the phase difference between each other. For example, in the first embodiment, the phase difference between the vibration waveform in the X axis direction and the vibration waveform in the Y axis direction is detected from the vibration waveforms in the X, Y, and Z axis directions. The phase difference of the vibration waveform is not limited to the two directions of the X axis-Y axis direction, and may be three directions of the X axis-Y axis-Z axis. Here, the vibration level is a peak value of the vibration waveform in the three-dimensional direction at the time of connector fitting detected based on the vibration waveform in the three-dimensional direction.

  The storage unit 90 functions as a storage unit. The storage unit 90 stores a vibration level and a phase difference between vibration waveforms for determining a connector fitting state. The vibration level and the phase difference between the vibration waveforms stored in the storage unit 90 store different data for each vehicle type or for each connector type.

  The comparison unit 100 functions as a comparison unit. The comparison unit 100 stores the vibration level detected by the detection unit 80 when the connector is fitted and the phase difference of the vibration waveform between any of the X, Y, and Z axes stored in the storage unit 90 and Compare with the phase difference of the vibration waveform.

  The fitting state determination unit 110 functions as a fitting state determination unit. As a result of comparison by the comparison unit 100, the fitting state determination unit 110 has a detected vibration level at the time of connector fitting equal to or higher than a vibration level stored in advance, and any of the detected vibration waveforms at the time of connector fitting. When the phase difference between the shafts satisfies a predetermined condition, it is determined that the connector has been normally fitted. In addition, the fitting state determination unit 110 determines that the fitting of the connector is defective when the detected vibration level at the time of connector fitting does not reach the vibration level stored in advance. Furthermore, the fitting state determination unit 110 has a detected vibration level at the time of connector fitting equal to or greater than a previously stored vibration level, and the detected phase difference between the axes of the vibration waveform at the time of connector fitting. If the predetermined condition is not satisfied, the connector is determined to be half-fitted. Here, the case where a predetermined condition is satisfied is a case where any two of the following three conditions are satisfied. The phase difference between the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction is within a predetermined wavelength, the appearance time difference between the peak values of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction, or the appearance of the minimum value The time difference is within a predetermined time, and the rising direction or falling direction of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction are the same.

  Furthermore, the connector fitting state confirmation device according to the first embodiment includes a notification unit 120 and a vehicle information providing unit 130.

  The notification unit 120 functions as a notification unit. The notification unit 120 is specifically a lamp or a display, and notifies the worker of the connector fitting state determined by the fitting state determination unit 110. The operator looks at the display on the notification unit 130 (the color of the lamp and the display), and whether the connector is normally fitted, whether the connector is half-fitted, or whether the connector is fitted Whether it is defective or not can be recognized in real time.

  The vehicle information providing unit 130 functions as vehicle type information providing means. The vehicle information providing unit 130 provides the notification unit 120 with information related to the type of the connector to be fitted with the connector and the type of connector that the vehicle type has. Therefore, the notification unit 120 can associate the vehicle type information and the information on the connector type with the connector fitting result.

  Next, based on the flowcharts of FIGS. 5 and 6, the operation of the connector fitting state confirmation apparatus according to the first embodiment will be described. In addition, the procedure shown by these flowcharts shows the fitting state confirmation method of the connector which concerns on this invention.

  First, in confirming the connector fitting state, the three-dimensional vibration sensor 20A shown in FIG. 2 is attached to the belt 20B, and the belt 20B is attached to the operator's finger as shown in FIG. As a result, the three-dimensional vibration sensor 20A can capture vibrations when the connector is fitted (S1). Next, the worker utters “work start” toward the headset microphone constituting the work signal output unit 10 and outputs a signal related to the start of the work (S2). The work signal output unit 10 outputs a signal related to the start of work (S3). The transmission unit 30 transmits a signal related to the start of work output from the work signal output unit 10 (S4). And the receiving part 40 receives the signal regarding the start of the work | work output from the transmission part 30 (S5). The work recognition unit 50 recognizes the start of work by performing voice recognition based on the signal received by the receiving unit 40 (S6). The work recognizing unit 50 outputs a processing start signal to the vibration signal extracting unit 60 when the work start is recognized. After the processing start signal is output, the vibration signal extraction unit 60 waits for input of a signal related to vibration in the three-dimensional direction when the connector is fitted, which is output from the vibration signal output unit 20 (S7).

  Next, the worker attaches the connector to the connector to be fitted (S8). The vibration signal output unit 20 outputs a signal related to the vibration in the three-dimensional direction generated together with a “click” sound generated when the connector is fitted to the transmission unit 30, and the transmission unit 30 transmits this signal (S9). ). The receiving part 40 receives the signal regarding the vibration of the three-dimensional direction at the time of the connector fitting which the transmission part 30 output (S10). The vibration signal extraction unit 60 stores a signal related to vibration in the three-dimensional direction at the time of connector fitting received by the reception unit 40 (S11).

  When the fitting of the connector is finished, the worker utters “work finished” toward the headset microphone constituting the work signal output unit 10 and outputs a signal related to the work finished (S12). The transmission part 30 transmits the signal regarding the completion | finish of the work output from the work signal output part 10 (S13). And the receiving part 40 receives the signal regarding completion | finish of the work output from the transmission part 30 (S14). The work recognition unit 50 recognizes the end of the work by performing voice recognition based on the signal received by the receiving unit 40 (S15). The work recognition unit 50 outputs a processing end signal to the vibration signal extraction unit 60 in accordance with the recognition of the end of the work (S16). After the processing start signal is output, the vibration signal extraction unit 60 finishes inputting the signal related to the vibration in the three-dimensional direction when the connector is fitted, and ends storing the signal. (S17).

  The vibration waveform generation unit 70 extracts a signal related to the vibration in the three-dimensional direction at the time of connector fitting, which is stored by the vibration signal extraction unit 60 between the recognition of the start of work and the recognition of the end of work. (S18). Then, the vibration waveform generation unit 70, based on the extracted signals related to the vibration in the three-dimensional direction at the time of connector fitting, in the orthogonal X, Y, and Z axis directions as shown in FIGS. A vibration waveform in a three-dimensional direction, which is a vibration waveform obtained by synthesizing the vibration waveform and the vibration waveforms in the X, Y, and Z axes orthogonal to each other, is generated (S19). The detection unit 80 detects the vibration level at the time of connector fitting based on the generated vibration waveform in the three-dimensional direction, and calculates the phase difference between any of the axes based on the vibration waveform in the X, Y, and Z axis directions. To detect. For example, as shown in FIG. 4C, the vibration level (peak level) L at the time of connector fitting is detected based on the vibration waveform in the three-dimensional direction, and the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction are detected. To detect the phase difference θ between the two waveforms (S20). The comparison unit 100 compares the vibration level L detected at the time of connector fitting detected by the detection unit 80 with the vibration level stored in advance in the storage unit 90. Further, the phase difference θ between the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction when the connector is detected detected by the detection unit 80, and the vibration waveform in the X-axis direction stored in advance in the storage unit 90 The phase difference with the vibration waveform in the Y-axis direction is compared (S21).

  The fitting state determination unit 110 determines whether or not the connector has been normally fitted from the comparison result compared by the comparison unit 100. For example, as a result of comparison by the comparison unit 100, the vibration level L at the time of connector fitting detected by the detection unit 80 is equal to or higher than the vibration level stored in advance in the storage unit 90 and detected by the detection unit 80. When the phase difference between the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction when the connector is fitted satisfies a predetermined condition, it is determined that the connector has been normally fitted. Further, when the vibration level L at the time of connector fitting detected by the detection unit 80 does not reach the vibration level stored in the storage unit 90 in advance, it is determined that the connector is not properly fitted. Furthermore, the vibration level L at the time of connector fitting detected by the detection unit 80 is equal to or higher than the vibration level stored in the storage unit 90 in advance, and the X-axis direction at the time of connector fitting detected by the detection unit 80 When the phase difference between the vibration waveform and the vibration waveform in the Y-axis direction does not satisfy a predetermined condition, it is determined that the connector is half-fitted. These determination methods will be described in detail based on the flowchart shown in FIG. 7 (S22).

  The notification unit 120 notifies the notification unit 120 of whether the connector fitting state determined by the fitting state determination unit 110 is normal, defective, or semi-fitted (S23). . Finally, the notification unit 120 associates the vehicle type information output from the vehicle information providing unit 130 and the information related to the connector type with the connector fitting state. For example, skyline GT-R, which is vehicle type information, A-1, which is a connector type, and “normal” which is a connector fitting state are associated with each other. The associated information may be displayed on the notification unit 120 or accumulated, and it is possible to analyze which type of connector of which vehicle type is likely to cause poor fitting or a semi-fitted state. You may do it.

  The vehicle information providing unit 130 provides vehicle information such as a vehicle type, a vehicle number, a connector type, a connector fitting order, and the number of connectors. The vehicle information is output to the vehicle information providing unit 130 from a host computer that manages vehicle production.

  Therefore, the notification unit 120 starts and ends the connector mating operation, the vehicle type, the vehicle number, the type of the mated connector, the mating order of the mated connector, the number of connectors, and the connector mating. It is possible to output vehicle information such as a signal related to vibration in the three-dimensional direction at the time and a fitting state of the connector.

  Next, a specific method for “determining whether or not the connector has been properly fitted” will be described with reference to FIG.

  First, the comparison unit 100 compares whether or not the vibration level L at the time of connector fitting detected by the detection unit 80 is larger than a specified value stored in the storage unit 90. The fitting state determination unit 110 determines the fitting state of the connector based on the comparison result. If the vibration level L at the time of connector fitting detected by the detection unit 80 does not reach the specified value, the connector is judged to be in a poor fitting state (S31: NO, S32).

Here, the vibration level L at the time of connector fitting means the maximum acceleration of vibration detected at the time of fitting. That is, when the connector is fitted, a vibration waveform in a three-dimensional direction in which vibration waveforms in the directions of the orthogonal X, Y, and Z axes are combined is detected. The peak level of the vibration waveform in the three-dimensional direction is the vibration level L when the connector is fitted. For example, 58 m / sec ² can be selected as the specified value. This is based on experiments, taking into account the average value and standard deviation of each peak level obtained from the vibration waveform when fitting is determined to be OK and the vibration waveform when fitting is determined to be NG. It is the result of evaluation and adjustment. This value can be different depending on the type of connector. In other words, the value of the specified value can be changed according to the type of connector, and the fitting state can be determined based on the value of the specified value that differs depending on the type of connector.

  Next, the fitting state determination unit 110 determines whether or not the phase difference between the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction during connector fitting detected by the detection unit 80 satisfies a predetermined condition. Judging. This determination is made by determining whether two or more of the following three conditions are satisfied. One of the three conditions is whether or not the phase difference between the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction is, for example, within 1/3 wavelength of the vibration waveform in the X-axis direction. (S33). If the phase of the vibration waveform in the X-axis direction and the Y-axis direction detected when the connector is fitted is shifted by a certain amount or more, the locking means of the connector is properly fitted into the locking means of another member when the connector is fitted. This is because it is thought that it is not. Another condition is whether or not the appearance time difference between the peak values of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction or the difference in appearance time of the minimum value is within a predetermined time (S34). This is because it is considered that the locking means of the connector is not properly fitted into the locking means of other members when the connector is fitted when the difference in peak time appearance time or minimum value appearance time difference is more than a certain amount. . The last condition is whether or not the rising direction or falling direction of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction match (S35).

  Here, in the flowchart of FIG. 7, the case where the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction are compared is described as an example. However, the vibration waveform in the Y-axis direction and the vibration waveform in the Z-axis direction or the X-axis The vibration waveform in the direction and the vibration waveform in the Z-axis direction may be compared.

  Next, the fitting state determination unit 110 determines whether or not two or more conditions among the three conditions S33 to S35 are satisfied (S36). If two or more conditions are not satisfied (S36: NO), it is determined that the connector is in a half-fitted state even if the condition of S31 is satisfied (S37). On the other hand, if two or more conditions are satisfied (S36: YES), it is determined that the connector is in a good fitting state (S38).

  As described above, according to the connector fitting state confirmation device and the connector fitting state confirmation method according to the first embodiment, the three-dimensional direction extracted from the start of work until the end of work is recognized. Since the fitting state of the connector is determined based on the signal relating to the vibration of the connector, the fitting state of the connector can be easily and appropriately confirmed on the assembly line. Therefore, it is possible to easily confirm the fitting state of the connector even in an assembly line where the sound environment is not so good, or even in a work part with a poor work posture. In addition, because the fitting of the connector is performed based on vibration, unlike the sound sensing method, it is possible to determine the fitting of the connector very accurately even if the on-site sound environment is bad. Can be performed almost simultaneously with the fitting of the connector. Since the fitting confirmation can be performed with high accuracy, the reliability of the fitting confirmation can be improved, and furthermore, the fitting confirmation is completed at the same time as the connector fitting work. Efficiency can be improved.

  In addition, since the fitting state of the connector is determined based on the peak value of the vibration waveform in the three-dimensional direction, the fitting failure of the connector can be appropriately detected.

  Furthermore, since the connector fitting state is determined based on the peak value and phase difference of the vibration waveform in the three-dimensional direction, it is properly confirmed that the connector is half-fitted and the connector fitting is good. Can be detected.

  In addition, since the fitting state of the connector can be notified to the worker, the worker can easily and appropriately determine whether or not the connector has been normally fitted immediately after the fitting operation of the connector. Can be judged.

In addition, information on the type of connector that is fitted with the connector and the type of connector that the vehicle type has is provided, and this information is associated with the fitting state of the connector. It becomes possible to analyze whether or not a poor / half-fitted state is likely to occur.
[Embodiment 2]
In the second embodiment, in addition to the configuration of the first embodiment, the number of connectors can be counted, and whether or not a necessary number of connectors have been connected in the vehicle model to be worked. It can be confirmed. For example, if the required number of connectors around the dashboard of Skyline GT-R is 20, the number of connectors connected while this connector is connected to this model must be counted, and the count must be 20. In this case, it can be determined that the connector is forgotten to be connected.

  FIG. 8 is a block diagram of the connector fitting state confirmation device according to the second embodiment. In this figure, the work signal output unit 10, vibration signal output unit 20, transmission unit 30, reception unit 40, work recognition unit 50, vibration signal extraction unit 60, vibration waveform generation unit 70, detection unit 80, shown in FIG. Since the functions of the storage unit 90, the comparison unit 100, the fitting state determination unit 110, the notification unit 120, and the vehicle information provision unit 130 are exactly the same as the description of FIG. 1, the description thereof is omitted.

  8 differs from FIG. 1 in that a counter 140, a connector number storage unit 150, a connector number providing unit 160, and a work end determination unit 170 are provided.

  The counter 140 functions as a counting unit. The counter 140 counts the number of times that the fitting state determination unit 110 determines that the connector has been normally engaged.

  The connector number storage unit 150 functions as a connector storage unit. The connector storage unit 150 stores the number of connectors to be fitted. Since the number of connectors may vary depending on the vehicle type, the number of connectors can be stored for each vehicle type.

  The connector number providing unit 160 functions as a connector number providing unit. The connector number providing unit 160 provides the number of connectors stored in the connector number storage unit 150 for each vehicle type.

  The work end determination unit 170 determines that the work of fitting the connector is completed when the number of times counted by the counter 140 matches the number of connectors stored in the connector number storage unit 150.

  When the work end determining unit 170 determines that the fitting work for all the connectors to be attached to the vehicle type has been completed, the notification unit 20 displays that the connector mounting work has been completed.

  Next, the operation of the connector fitting state confirmation apparatus according to the second embodiment will be described. This operation is largely in common with the operation of the connector fitting state confirmation apparatus according to the first embodiment. Specifically, the determination of the fitting state of the connector is performed by exactly the same processing as the processing of the flowcharts described in FIGS. The operation of the connector fitting state confirmation device according to the second embodiment and the connector fitting state confirmation device according to the first embodiment is different from the operation of the connector fitting state confirmation device. It is only whether or not. Therefore, the operation of the connector fitting state confirmation device according to the second embodiment will be described only for determining whether or not the connector is leaked.

  FIG. 9 is a flowchart illustrating an operation for determining whether or not there is a connector attachment failure in the operation of the connector fitting state confirmation apparatus according to the second embodiment. The procedure shown in this flowchart shows the connector fitting state confirmation method according to the second embodiment, and is performed between step S22 and step S23 in FIG.

  First, the connector number providing unit 160 outputs the number of connectors for each vehicle type to the connector number storage unit 150 (S41). The connector number storage unit 150 stores the number of connectors output from the connector number providing unit 160 (S42). The counter 140 counts the number of times that the fitting state determination unit 110 determines that the connector has been normally engaged. When the fitting state determination unit 110 determines that the connector has been normally fitted, the fitting state determination unit 110 outputs a count signal to the counter 140. The counter 140 increments the count value by 1 because the count signal is output (S43). Next, the work end determination unit 170 determines whether or not the value counted by the counter 140 matches the number of connectors stored in the connector number storage unit 150 (S44). If the value counted by the counter 140 does not match the number of connectors stored in the connector number storage unit 150 (S44: NO), the attachment of the connector to be attached to the vehicle has not been completed yet. Then, the process proceeds to step S23 in FIG. 6 to notify the connector fitting state (S45).

  On the other hand, when the value counted by the counter 140 matches the number of connectors stored in the connector number storage unit 150 (S44: YES), it can be determined that all the connectors to be attached to the vehicle are attached. Therefore, the notification unit 120 displays that the work for fitting the connector on the vehicle has been completed (S46).

  As described above, in the invention according to the second embodiment, in addition to the effects of the invention according to the first embodiment, the number of connectors that have been fitted can be confirmed. Can be reliably prevented. And since the completion | finish of fitting work is alert | reported by an alerting | reporting means, the operator can recognize that attachment of the connector of the vehicle was complete | finished reliably.

In addition, since the number of connectors is provided for each vehicle type by the connector number providing means, it can be applied to a production line for producing various types of vehicle types.
[Embodiment 3]
In the third embodiment, in addition to the configuration of the second embodiment, a function of readjusting data to be stored in the storage unit 90 in order to determine whether or not the fitting state of the connector is normal is provided. .

  FIG. 10 is a block diagram of a connector fitting state confirmation apparatus according to the third embodiment. In this block diagram, the configuration of the block diagram shown in FIG. 8 is omitted. In addition to the configuration of the block diagram of FIG. 8, the connector fitting state confirmation device according to Embodiment 3 further includes a vehicle information output unit 180, a vehicle information database 190, an access unit 200, an extraction unit 210, and a determination condition readjustment unit. 220 and a display unit 230.

  The vehicle information output unit 180 includes a start time, an end time, a vehicle type, a vehicle number, a mated connector type, a mating connector mating order, the number of connectors, a connector Vehicle information such as a signal related to vibration in the three-dimensional direction at the time of fitting, and a fitting state of the connector.

  The vehicle information database 190 outputs the work start time, end time, vehicle type, vehicle number, mated connector type, mated connector mating order, and connector information output from the vehicle information output unit 180. Vehicle information such as a number, a signal related to vibration in a three-dimensional direction when the connector is fitted, and a connector fitting state. The vehicle information database 190 accumulates all the vehicles that have produced such vehicle information.

  The access unit 200 can access the vehicle information database 190 based on at least the vehicle type and vehicle number according to a request from the market.

  The extraction unit 210 accesses the vehicle information database 190 by the access unit 200, and at least the signal related to the vibration in the three-dimensional direction at the time of fitting each connector and the connector fitting from the vehicle type and vehicle number input by the access unit 200. Extract the combined state. Specifically, work start time, end time, vehicle type, vehicle number, mated connector type, mated connector mating order, number of connectors, three-dimensional direction at the time of connector mating Extracts vibration-related signals and connector fitting states.

  The determination condition readjustment unit 220 determines that the connector has been normally fitted from the signal regarding the vibration in the three-dimensional direction at the time of connector fitting extracted by the extraction unit 210 and the connector fitting state. Readjust the conditions. This readjustment may be performed by human input, or may be software that operates so that readjustment is performed automatically.

  The display unit 230 displays the start time and end time of the work extracted by the extraction unit 210, the vehicle type, the vehicle number, the type of the mated connector, the mating order of the mated connector, the number of connectors, and the connector fitting. The vehicle information such as a signal relating to vibration in the three-dimensional direction at the time of engagement and a connector fitting state is displayed on the screen.

  FIG. 11 is an operation flowchart of the connector fitting state checking apparatus according to the third embodiment. The procedure shown in this flowchart shows the connector fitting state confirmation method according to the third embodiment.

  First, the vehicle information output unit 180 is engaged in the work start time, end time, vehicle type, vehicle number, and the like output by the notification unit 120 in the connector fitting state confirmation device according to the first or second embodiment. Vehicle information such as connector type, mating order of mated connectors, number of connectors, three-dimensional vibration at the time of connector mating, connector mating state, etc. is output to the vehicle information database 190 ( S51). The vehicle information database 190 stores the vehicle information output from the vehicle information output unit 180 one by one (S52). As described above, the vehicle information is stored in the vehicle information database 190 in order to confirm later whether a specific type of connector of a specific vehicle has been determined in the production factory in response to a request from the market. This is because it is assumed that a need arises.

  The worker inputs at least the vehicle type and vehicle information to the access unit 200 in response to a request from the market, and accesses the vehicle information stored in the vehicle information database 190 based on the vehicle type and vehicle information (S53). The extraction unit 210 corresponds to vehicle data input from the access unit 210 and vehicle information, that is, work start time, end time, vehicle type, vehicle number, mated connector type, mated connector Are extracted, the number of connectors, the number of connectors, the signal relating to the vibration in the three-dimensional direction at the time of connector fitting, and the connector fitting state (S54). The display unit 230 displays the vehicle information extracted by the extraction unit 210 (S55). Judgment condition readjustment unit 220 determines whether a connector is fit or not by looking at the judgment result of the fitting state of a specific connector in the vehicle information extracted by extraction unit 210 and displayed on display unit 230. The conditions are readjusted (S56). This re-adjustment changes the criteria for determining the mating state at the production plant when the mating state is judged to be normal at the production plant but the mating state becomes defective after entering the market. To be done. Specifically, the readjustment is to change the determination criteria based on the difference in vibration level and phase shown in FIG. The readjustment may be performed by an operator while viewing the vehicle information displayed on the display unit 230, or may be performed in software.

  As described above, according to the invention according to the third embodiment, in addition to the effects of the invention according to the first or second embodiment, it is determined that the connector is normally fitted based on a request from the market. The conditions to do can be readjusted.

  The present invention can be used in all production lines that perform connector fitting work.

1 is a block diagram of a connector fitting state confirmation device according to Embodiment 1. FIG. It is a figure which shows the three-dimensional vibration sensor and belt which comprise a vibration signal output part. It is a figure which shows the state which mounted | wore the operator's finger | toe with the vibration detection part. (A)-(C) is a figure which shows the vibration waveform regarding the vibration of the three-dimensional direction at the time of the connector fitting which the vibration signal extraction part extracted. 3 is an operation flowchart for confirming a fitting state of the connector according to the first embodiment. 3 is an operation flowchart for confirming a fitting state of the connector according to the first embodiment. 3 is an operation flowchart for confirming a fitting state of the connector according to the first embodiment. It is a block diagram of the fitting state confirmation apparatus of the connector which concerns on Embodiment 2. FIG. 6 is an operation flowchart of the connector fitting state confirmation apparatus according to the second embodiment. It is a block diagram of the fitting state confirmation apparatus of the connector concerning Embodiment 3. 10 is an operation flowchart of the connector fitting state confirmation apparatus according to the third embodiment.

Explanation of symbols

10 work signal output section,
20 Vibration signal output section,
30 Transmitter,
40 receiver,
50 Work recognition unit,
60 vibration signal extraction unit,
70 vibration waveform generator,
80 detector,
90 storage unit,
100 comparison part,
110 Fitting state determination unit,
120 Notification unit,
130 Vehicle information providing unit,
140 counter,
150 connector number storage unit,
160 Connector Number Providing Department,
170 Work end determination unit,
180 vehicle information output unit,
190 vehicle information database,
200 access section,
210 extractor,
220 judgment condition readjustment unit,
230 Display unit.

Claims (24)

An apparatus for confirming the mating state of a connector,
Work signal output means for outputting signals relating to the start and end of work;
A vibration signal output means for outputting a signal relating to vibration in a three-dimensional direction when the connector is fitted to the worker;
Transmitting means for transmitting the signal output from the work signal output means and the signal output from the vibration signal output means;
Receiving means for receiving a signal transmitted by the transmitting means;
Work recognition means for recognizing the start and end of work based on the signal received by the receiving means;
A vibration signal extracting means for extracting a signal related to the vibration in the three-dimensional direction when the connector is received, received by the receiving means, from the time when the work recognition means recognizes the start of work to the time when work completion is recognized. When,
Vibration waveform generating means for generating a vibration waveform in the X, Y, and Z axis directions orthogonal to each other and a vibration waveform in the three-dimensional direction based on a signal relating to vibration in the three-dimensional direction at the time of connector fitting extracted by the vibration signal extraction means ,
The vibration level at the time of connector fitting is detected based on the vibration waveform in the three-dimensional direction generated by the vibration waveform generating means, and the position between any of the axes is determined based on the vibration waveform in the X, Y, and Z axis directions. Detecting means for detecting a phase difference;
Storage means for storing a vibration level and a phase difference between vibration waveforms for determining a fitting state of the connector;
Comparison means for comparing the vibration level detected by the detection means and the phase difference of the vibration waveform between any of the shafts with the vibration level and the phase difference of the vibration waveform stored in the storage means; ,
As a result of the comparison by the comparison means, the detected vibration level at the time of connector fitting is equal to or higher than the vibration level stored in advance, and the phase difference between the axes of any of the detected vibration waveforms at the time of connector fitting is A fitting state judging means for judging that the connector has been normally fitted when the predetermined condition is satisfied;
A connector fitting state confirmation device characterized by comprising:   When the predetermined condition is satisfied, the phase difference between the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction is within a predetermined wavelength, and the peak value of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction. Any one of the three conditions in which the rising time direction or the falling direction of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction coincide with each other within the predetermined time difference between the appearance time difference or the minimum value appearance time 2. The connector fitting state confirmation device according to claim 1, wherein two conditions are satisfied.   The fitting state determining means is such that the detected vibration level at the time of connector fitting is equal to or greater than a previously stored vibration level, and the phase difference between the axes of any of the detected vibration waveforms at the time of connector fitting is determined in advance. 2. The connector fitting state confirmation device according to claim 1, wherein when the predetermined condition is not satisfied, it is determined that the fitting of the connector is a half-fitting.   The fitting state determination means determines that the fitting of the connector is defective when the detected vibration level at the time of connector fitting does not reach the vibration level stored in advance. The connector fitting state confirmation apparatus as described.   5. The connector fitting according to claim 1, wherein the vibration level detected based on the vibration waveform in the three-dimensional direction is a peak value of the vibration waveform in the three-dimensional direction. Status confirmation device.   4. The connector fitting state confirmation device according to claim 1, wherein the phase difference between any of the axes is a phase difference between a vibration waveform in the X-axis direction and a vibration waveform in the Y-axis direction. .   5. The connector fitting state confirmation device according to claim 1, further comprising notification means for notifying the fitting state of the connector determined by the fitting state determination means.   2. The connector fitting state according to claim 1, further comprising a vehicle type information providing unit that provides information relating to a vehicle type to which the connector is fitted and a type of the connector included in the vehicle type to the notification unit. Confirmation device.   The vibration level and the phase difference of the vibration waveform for determining the fitting state of the connector stored in advance in the storage means are different for each vehicle type or for each connector type. The connector fitting state confirmation device.   2. The connector fitting state confirmation device according to claim 1, wherein the vibration signal output means is a three-dimensional vibration sensor attached to an operator's finger.   2. The vibration in the three-dimensional direction when the connector is fitted is generated when the locking means of the connector is fitted into the locking means of another member when the connector is fitted. The connector fitting state confirmation apparatus as described. A counting means for counting the number of times that the fitting of the connector has been normally performed by the fitting state determination means;
Connector number storage means for storing the number of connectors to be fitted;
Work end determination means for determining that the work of fitting the connector is completed when the number of times counted by the counting means matches the number of connectors stored in the connector number storage means;
The connector fitting state confirmation device according to claim 1, further comprising:   13. The connector fitting state confirmation device according to claim 12, further comprising connector number providing means for providing the number of connectors to be stored in the connector number storage means for each vehicle type. A start time, an end time, a vehicle type, a vehicle number, a type of a fitted connector, a fitted connector of work performed using the connector fitting state confirmation device according to any one of claims 1 to 13. Vehicle information output means for outputting vehicle information such as a fitting order, the number of connectors, a signal related to vibration in a three-dimensional direction when the connectors are fitted, and a connector fitting state;
A vehicle information database for storing vehicle information output from the vehicle information output means;
An access means for accessing the database based on at least the vehicle type and vehicle number according to a request from the market;
Extracting means for accessing the vehicle information database by the access means, and extracting a signal relating to vibration in a three-dimensional direction at the time of fitting of each connector and a fitting state of the connector from the vehicle type and vehicle number;
Judgment conditions for re-adjusting the condition for judging that the connector has been fitted normally from the signal relating to the vibration in the three-dimensional direction at the time of fitting of the connector extracted by the extraction means and the fitting state of the connector. Readjustment means;
The connector fitting state confirmation device further comprising: A method for checking the mating state of a connector,
Attaching a vibration signal output means for outputting a signal relating to vibration in a three-dimensional direction when the connector is fitted to the operator;
Outputting a signal regarding the start of work;
Sending a signal about the start of work;
Receiving a signal regarding the start of work;
Recognizing the start of work,
Mating the connector with the operator;
Transmitting a signal related to vibration in a three-dimensional direction at the time of connector fitting output from the vibration signal output means;
Receiving a signal relating to vibration in a three-dimensional direction when the connector is fitted;
Storing the received signal relating to vibration in the three-dimensional direction at the time of connector fitting;
Outputting a signal regarding the end of the work;
Sending a signal about the end of the work;
Receiving a signal regarding the end of work;
Recognizing the end of work,
Extracting a signal related to vibration in the three-dimensional direction at the time of connector fitting, which is stored between when the start of work is recognized and when the end of work is recognized;
Generating a vibration waveform in the X, Y, and Z axis directions orthogonal to each other and a vibration waveform in the three-dimensional direction based on the extracted signal relating to the vibration in the three-dimensional direction at the time of connector fitting;
Detecting a vibration level when the connector is fitted based on the generated vibration waveform in the three-dimensional direction, and detecting a phase difference between any axes based on the vibration waveform in the X, Y, and Z axis directions; ,
Comparing the detected vibration level at the time of connector fitting and the phase difference of the vibration waveform between any of the shafts with the stored vibration level and phase difference of the vibration waveform;
As a result of the comparison by the comparison means, the detected vibration level at the time of connector fitting is equal to or greater than the vibration level stored in advance, and the phase difference between the axes of any of the detected vibration waveforms at the time of connector fitting is determined in advance. A stage where it is determined that the connector has been properly fitted when the above conditions are satisfied,
A method for confirming a fitting state of a connector, comprising:   When the predetermined condition is satisfied, the phase difference between the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction is within a predetermined wavelength, and the peak value of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction. Any one of the three conditions in which the rising time direction or the falling direction of the vibration waveform in the X-axis direction and the vibration waveform in the Y-axis direction coincide with each other within the predetermined time difference between the appearance time difference or the minimum value appearance time 16. The connector fitting state confirmation method according to claim 15, wherein two conditions are satisfied.   The connector fitting state confirmation according to claim 15, wherein when the detected vibration level at the time of connector fitting does not reach the vibration level stored in advance, it is determined that the connector is not fitted properly. Method.   When the detected vibration level at the time of connector fitting is equal to or higher than the vibration level stored in advance, and the phase difference between any axes of the detected vibration waveforms at the time of connector fitting does not satisfy the predetermined condition The connector fitting state confirmation method according to claim 15, wherein the connector fitting is determined to be a half-fitting.   19. The connector fitting state confirmation method according to claim 15 or 18, wherein the phase difference between any of the axes is a phase difference between a vibration waveform in the X-axis direction and a vibration waveform in the Y-axis direction. .   The method for confirming a connector fitting state according to claim 15, further comprising a step of notifying the determined connector fitting state.   The method for confirming a connector fitting state according to claim 15, further comprising the step of providing information on a vehicle type in which the connector is fitted and a type of connector possessed by the vehicle type. Counting the number of times the connector has been successfully mated;
Determining that the work of fitting the connectors is completed when the counted number matches the number of connectors set;
The connector fitting state confirmation method according to claim 15, further comprising:   23. The connector fitting state confirmation method according to claim 22, further comprising providing the number of connectors to be set for each vehicle type. 24. A start time, an end time, a vehicle type, a vehicle number, a type of a fitted connector, a fitted connector of work performed using the connector fitting state confirmation method according to any one of claims 15 to 23. Outputting vehicle information such as the fitting order, the number of connectors, a signal related to vibration in the three-dimensional direction when the connectors are fitted, and the connector fitting state;
Storing the output vehicle information;
Accessing the stored vehicle information based on at least the vehicle type and vehicle number according to a request from the market;
Extracting a signal relating to vibration in a three-dimensional direction at the time of fitting each connector and a fitting state of the connector from the vehicle type and the vehicle number;
Re-adjusting the conditions for determining that the connector has been properly fitted from the extracted signal regarding the vibration in the three-dimensional direction at the time of fitting the connector and the fitting state of the connector;
A method for confirming a fitting state of a connector, further comprising:

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