JP5204427B2 - Event data recorder - Google Patents

Description

The present invention relates to event data recorders for enabling analysis of such accident situation to save the output of the various devices in the event of an accident or the like.

2. Description of the Related Art Conventionally, an event data recorder (EDR) mounted on an automobile for recording information related to a traffic accident is known (see, for example, Patent Document 1). The event data recorder detects an impact at the time of an accident with an acceleration sensor, and records the output before and after the impact detection of various devices mounted on the automobile in a ROM (memory). Therefore, by analyzing the event data recorder after the accident, it becomes possible to grasp the behavior of the automobile such as the use of the brake and the vehicle speed at the time of the accident.
Japanese Unexamined Patent Publication No. 7-37133

  However, if the event data recorder triggered by the output of the acceleration sensor is applied to a light vehicle such as a motorcycle, a small jet propulsion boat (Personal WaterCraft: PWC) or a riding type rough terrain vehicle, an accident will occur. It is conceivable that an impact that occurs at other times causes the event data recorder to operate at times other than necessary. In addition, when the motorcycle falls so as to slide on the ground and does not collide anywhere, the impact applied to the vehicle body at the time of the accident is small, and the event data recorder may not operate.

  Accordingly, an object of the present invention is to improve the operation accuracy of an event data recorder.

The present invention has been made in view of the circumstances as described above, and the event data recorder according to the present invention detects the attitude of a motorcycle and determines whether the motorcycle falls over regardless of the impact on the motorcycle. An overturn determination device, a recording device for storing the output of the device mounted on the motorcycle, and a control device for controlling the recording operation of the recording device based on the determination of the overturn detection device, The recording device saves the output of the device in time series, and overwrites and saves the data exceeding the storage capacity from the oldest data area, and the fall determination device falls over while the motorcycle is running. If it is determined, the control device, the output of the device before and after the determination of the fall to initiate the overwrite non conserved to save work in the recording device, said control device, said overturning Even constant device determines a fall of the motorcycle, it is determined that the traveling is continued, characterized by Rukoto to return the storage operation of the recording apparatus to normal operation.

  According to the above configuration, since the event data recorder is controlled with the vehicle falling as a trigger, it is possible to prevent the event data recorder from operating with an impact other than an accident, and to output the output of the device to the recording device even in an accident with a small impact. It can be saved. Therefore, it is possible to improve the operation accuracy of the event data recorder mounted on the vehicle.

In addition to the output of the device before and after the determination, the control device may cause the recording device to cumulatively store the usage time for each engine speed of the motorcycle .

A plurality of the devices may be provided, and the control device may store the number of failures of each of the plurality of devices in the recording device for each device in addition to the output of the device before and after the determination .

The data stored in the recording device can have a further Bei Ete interface for downloading to the external.

The fall determination device may vary the posture condition for determining fall depending on the running state.

The overturn determination device may vary the conditions for determining overturn between straight traveling and turning traveling.

The fall determination device may vary the conditions for determining fall depending on the turning radius during travel.

  As is apparent from the above description, according to the present invention, it is possible to improve the operation accuracy of the event data recorder.

  Embodiments according to the present invention will be described below with reference to the drawings. In addition, the concept of the direction used in the following description is based on the direction seen from the driver who has boarded the motorcycle.

(First embodiment)
FIG. 1 is a left side view of a motorcycle 1 according to a first embodiment of the present invention. As shown in FIG. 1, the motorcycle 1 includes a front wheel 2 and a rear wheel 3, and the front wheel 2 is rotatably supported by a lower end portion of a front fork 4 that extends substantially in the vertical direction. It is supported by a steering shaft (not shown) via an upper bracket (not shown) provided at the upper end portion and an under bracket (not shown) provided below the upper bracket. The steering shaft is rotatably supported by the head pipe 5. A bar-type handle 6 extending to the left and right is attached to the upper bracket. That is, the driver can turn the front wheel 2 in a desired direction by turning the handle 6 with the steering shaft as a turning shaft.

  The handle 6 gripped by the right hand of the driver is a throttle grip (not shown) that is rotated by twisting the wrist to adjust the traveling speed. A clutch lever 8 is provided in front of the handle 6 gripped by the driver's left hand. In front of the handle 6, a meter unit 9 that displays a traveling speed and an engine speed and has an input device 24 to be described later is disposed.

  A pair of left and right main frames 10 extend rearward from the head pipe 5 while being slightly inclined downward, and a pair of left and right pivot frames 11 are connected to the rear portion of the main frame 10. The pivot frame 11 pivotally supports a front end portion of a swing arm 12 extending substantially in the front-rear direction, and a rear wheel 3 as a drive wheel is rotatably supported by the rear end portion of the swing arm 12. A fuel tank 13 is provided behind the handle 6, and a seat 14 for riding a driver is provided behind the fuel tank 13.

  The engine E is mounted between the front wheel 2 and the rear wheel 3 while being supported by the main frame 10 and the pivot frame 11. A throttle device 15 disposed inside the main frame 10 is connected to an intake port (not shown) of the engine E. An air cleaner box 16 disposed below the fuel tank 13 is connected to the upstream side of the throttle device 15 and is configured to take in outside air using traveling wind pressure from the front. A cowling 17 is provided so as to cover the engine E and the like from the front of the vehicle body to both sides of the vehicle body. An ECU 18 (electronic control unit) that performs various controls is accommodated in the internal space below the seat 14. A recording device 25 (described later) fixed to the main frame 10 via a bracket (not shown) is disposed immediately behind the cylinder portion Es of the engine E. A fall sensor 21 is fixed to the inner surface of the pivot frame 11 in the vicinity of the recording device 25.

  FIG. 2 is a block diagram for explaining the event data recorder 20 mounted on the motorcycle shown in FIG. As shown in FIG. 2, the event data recorder 20 includes an ECU 18, a fall sensor 21 (detailed later), various sensors 22 (equipment), various switches 23 (equipment), an input device 24 (detailed later), a recording. A device 25 and a meter unit 9 are provided. The ECU 18 includes a fall sensor 21 (attitude detection sensor) that detects that the motorcycle 1 is tilted at a predetermined angle or more in the left-right direction, various sensors 22, various switches 23, and an input device 24 that is operated by the driver. And are connected. The ECU 18 is connected to a recording device 25 for storing the outputs of the various sensors 22 and the various switches 23, and a meter unit 9 that enables writing / reading to / from the external recording medium 27.

  The various sensors 22 include an engine speed sensor, a throttle position sensor, a gear position sensor, a vehicle speed sensor, an acceleration sensor, a gyro sensor (bank angle detection device), a GPS sensor, a suspension stroke sensor, a tire pressure sensor, a grip pressure sensor, A water temperature sensor, a hydraulic pressure sensor, a driver monitoring sensor, a two-seater detection sensor, and the like are provided.

  The engine speed sensor has a function of detecting the speed of the crankshaft of the engine E. The throttle position sensor has a function of detecting the opening degree of the throttle valve of the throttle device 15. The gear position sensor has a function of detecting the gear position of the transmission. The vehicle speed sensor has a function of detecting the traveling speed of the motorcycle 1. The acceleration sensor has a function of detecting the traveling acceleration of the motorcycle 1. The gyro sensor can detect the posture of the vehicle body, and has a function of detecting the bank angle of the vehicle body by detecting the angular velocity of the inclination of the vehicle body in the left-right direction. The GPS sensor has a function of acquiring position information of the motorcycle 1 by connecting to a GPS (global positioning system). The suspension stroke sensor has a function of detecting the expansion / contraction state of the suspension that absorbs the shock of the motorcycle 1, and may be a displacement sensor that can detect the distance between the upper end portion and the lower end portion of the suspension, for example.

  The tire air pressure sensor functions as a pressure sensor that detects the tire air pressure of the front wheels 2 and the rear wheels 3. The grip pressure sensor has a function of detecting the pressure at which the driver is gripping the left and right grips of the handle 6. The water temperature sensor has a function of detecting the temperature of the cooling water. The hydraulic sensor has a function of detecting the pressure of various hydraulic lines. The driver monitoring sensor is a known sensor that grasps the driver's behavior such as blinking. The two-seater detection sensor is a sensor that detects a pressure distribution applied to the seat 14, a sensor that detects that the contraction amount of the rear suspension is greater than a predetermined value, or a footrest step for passengers. It is a sensor that detects the load on the.

  As the various switches 23, a brake switch, a clutch switch, a stand switch, and the like are provided. The brake switch has a function of detecting the presence or absence of a brake operation. The clutch switch has a function of detecting the presence or absence of clutch operation. The stand switch has a function of detecting the descent / rise of the side stand that supports the vehicle body by placing it on the ground with the vehicle body slightly tilted when parking.

  The recording device 25 always saves the outputs of the various sensors 22 and various switches 23 mounted on the motorcycle 1 in time series while the power is turned on, and overwrites the storage capacity exceeding the oldest data area. Has a function to save. The recording device 25 is provided with a diagnostic connector 26 for connecting a personal computer or the like at a maintenance company or the like to download data in the recording device 25.

  The ECU 18 includes a fall determination unit 30, a trigger generation unit 31, a data output control unit 32, and a time generation unit 33. The fall determination unit 30 has a function of determining whether or not the motorcycle 1 is in a fall state based on the output of the fall sensor 21. That is, the fall detection device is configured by the fall sensor 21 and the fall determination unit 30. The trigger generation unit 31 has a function of transmitting a trigger to the data output control unit 32 when the fall determination unit 30 determines that the motorcycle 1 has fallen. The data output control unit 32 has a function of storing the outputs of the various sensors 22 and the various switches 23 in the recording device 25 so that they cannot be overwritten (in the ROM) when a trigger is received from the trigger generation unit 31. In other words, the trigger generation unit 31 and the data output control unit 32 constitute a control device. Further, when a recording start input unit 54 (FIG. 5) of the input device 24 described later is operated, the data output control unit 32 stores the outputs of the various sensors 22 and the various switches 23 in the recording device 25, and the input device 24. When the recording end input unit 55 (FIG. 5) is operated, the storage operation is also terminated. The time generation unit 33 has a function of appropriately transmitting the current time to the data output control unit 32.

  FIG. 3 is a sectional view seen from the front of the fall sensor 21 of the event data recorder 20 shown in FIG. 4 is a cross-sectional view seen from the side of the fall sensor 21 shown in FIG. As shown in FIGS. 3 and 4, in the fall sensor 21, a pendulum type magnetized movement 41 is rotatably supported by a rotating shaft 42 in a case 40. The case 40 includes a lower case 43 and an upper case 44, and the lower case 43 is provided with a mounting seat 43a for fixing to the pivot frame 11 or the main frame 10 (FIG. 1). A circuit board 46 is provided inside the upper case 44, and a hall IC 45 that detects a rotation state of the movement 41 at a predetermined angle or more is provided on the circuit board 46. The circuit board 46 has a detection circuit that outputs a detection signal when the Hall IC 45 is in a detection state.

  The upper case 44 is formed with a connector portion 44 a that accommodates terminals for power supply, grounding, and detection signal output connected to the circuit board 46. The movement 41 has a notch 41a having a predetermined opening angle at the upper part thereof so as to be symmetrical with respect to the base position, and the lower part of the movement 41 is pointed with respect to the notch 41a with reference to the rotation shaft 42. It has the weight part 41b arrange | positioned in the symmetrical position. The Hall IC 45 is a unipolar sensitive type, and is configured to be in a detection state when the movement 41 rotates and the south poles magnetized at a predetermined position of the movement 41 face each other.

  FIG. 5 is a plan view showing the meter unit 9 of the motorcycle 1 shown in FIG. As shown in FIG. 5, the meter unit 9 includes a speedometer 50, an engine speed meter 51, a display panel 52, an input device 24, and an external recording medium mounting unit 56, and a required arithmetic device is provided inside the meter unit 9. (Not shown) is provided. That is, the input device 24 is provided in a part of the meter unit 9. Specifically, the input device 24 includes a recording start input unit 54 and a recording end input unit 55 operated by the driver. The external recording medium mounting unit 56 has a slot in which an external recording medium 27 (FIG. 2) such as a memory card can be mounted, and enables writing / reading of data to / from the external recording medium 27.

  Next, the operation of the event data recorder 20 will be described. FIG. 6 is a flowchart for explaining the operation of the event data recorder shown in FIG. As shown in FIGS. 2 and 6, first, when the driver turns on the power, the data output control unit 32 of the ECU 18 always stores the outputs of the various sensors 22 and the various switches 23 in the recording device 25 and stores them in a predetermined memory. Over the capacity, the oldest data area is overwritten in order. Then, for example, by referring to the output of the speed sensor, it is determined whether or not the motorcycle is in a traveling state (step S1: traveling state determination step). If no, the process returns to step S1. In the case of Yes, the fall determination unit 30 determines whether or not the detection state is continuously output from the fall sensor 21 for a predetermined time by the vehicle body falling continuously due to an accident during driving and continuously tilting to a predetermined angle or more. (Step S2: Falling determination step). If no, the process returns to step S1. In the case of Yes, the trigger generation unit 31 transmits a trigger to the data output control unit 32, and the data output control unit 32 performs various sensors 22 and various types over a predetermined time (for example, 30 seconds before and after the trigger reception time). The output of the switch 23 is stored in the recording device 25 so that it cannot be overwritten (step S3: recording process). The travel state determination step, the overturn determination step, and the recording step are executed by a program stored in the ECU 18.

  The output items specific to the motorcycle stored in the recording device 25 include the bank angle of the vehicle body output by the gyro sensor (bank angle detection device), the grip grip pressure of the driver output by the grip pressure sensor, and the like. It is done. Regarding the bank angle, the transition of the bank angle of the vehicle body when the motorcycle 1 falls is stored in the recording device 25, so that the posture of the vehicle body before and after the occurrence of the accident can be analyzed. Regarding the grip gripping pressure, the transition of the grip gripping pressure when the motorcycle 1 falls is stored in the recording device 25, so that the timing at which the driver's hand leaves the steering wheel before and after the accident can be analyzed.

  Even if the fall determination unit 30 does not determine that the vehicle is in the fall state, the data output control unit 32 starts the various sensors 22 from the time when the driver operates the recording start input unit 54 of the input device 24. In addition, the output of the various switches 23 is stored in the recording device 25 so that it cannot be overwritten. When the recording end input unit 55 is operated by the driver, the data output control unit 32 stops storing the outputs of the various sensors 22 and the various switches 23 in the recording device 25 so as not to be overwritten.

  In addition to these items, the data output control unit 32 also stores the following various analysis data in the recording device 25. FIG. 7 is a diagram for explaining the latest failure information stored in the recording device 25 of the event data recorder 20 shown in FIG. FIG. 8 is a diagram for explaining the accumulated time for each engine speed stored in the recording device 25 of the event data recorder 20 shown in FIG. FIG. 9 is a diagram for explaining the failure frequency information stored in the recording device 25 of the event data recorder 20 shown in FIG.

  As shown in FIG. 7, the data output control unit 32 records, as data, data obtained by arranging information on the failure date and time of the various sensors 22 and the switches 23 from the latest date and time. To save. Further, as shown in FIG. 8, the data output control unit 32 accumulates the output of the engine speed sensor from the time of a new vehicle, classifies it for each engine speed, and accumulates and stores the usage time. Furthermore, as shown in FIG. 9, the data output control unit 32 stores the past failure counts of the various sensors 22 and the various switches 23 as data for each part in the recording device 25.

  Further, by connecting a personal computer or the like to the diagnostic connector 26 of the recording device 25 at a maintenance company or the like, the data of the recording device 25 can be downloaded to the personal computer. Furthermore, the data of the recording device 25 can be downloaded to the external recording medium 27 by mounting the external recording medium 27 on the external recording medium mounting portion 56 of the meter unit 9 by the driver. The data stored in the recording device 25 is held for the latest several minutes when the power is turned off. The latest several minutes of data may be written to the external recording medium 27 when the power is turned off, and the data may be cleared when the power is turned on.

  With the above configuration, the event data recorder 20 is controlled by the fall of the motorcycle 1 as a trigger, so that it is possible to prevent an impact other than an accident from operating the event data recorder 20 and to prevent the impact from slipping on the ground. Even in the case of a small fall, the outputs of the various sensors 22 and the various switches 23 can be stored in the recording device 25 so as not to be overwritten. Therefore, the operation accuracy of the event data recorder 20 mounted on the motorcycle 1 can be improved.

  Also, an input device 24 operated by the driver is provided, and the output of various sensors 22 and various switches 23 is stored in the recording device 25 when the driver likes it, and the driving situation is recorded even when the vehicle is not overturned. be able to. Therefore, the user can also perform various settings of the motorcycle 1 with reference to the recorded information, and convenience is improved. Further, since the recording device 25 is disposed immediately behind the cylinder portion Es of the engine E, even if the motorcycle 1 collides due to an accident and an impact from the front occurs, the cylinder portion Es of the engine E records. It is possible to protect the device 25 from impact and save the recorded contents.

  In this embodiment, when the fall sensor 21 detects that the vehicle body has been tilted at a predetermined angle or more, it is determined that the vehicle is in a fall state. When it exceeds, the structure determined to be a fall state may be sufficient. Further, an angle (vehicle body tilt angle) formed by a plane perpendicular to the rotation axis of the rear wheel 3 and a horizontal plane may be information representing the vehicle body posture. Further, the attitude detection sensor may be a bank angle sensor, an acceleration sensor, a gyro sensor, or the like. In addition, not only the vehicle body posture (tilt angle) around one direction but also the traveling axis, vertical axis, traveling axis, and horizontal axis perpendicular to the vertical axis, respectively, the fall is judged from at least one posture around each of the three axes. May be. At this time, the vehicle body posture (tilt angle) around the horizontal axis perpendicular to the traveling axis and the vertical axis may be stored in the recording device 25 in order to make it possible to grasp the behavior of the vehicle body such as lifting of the rear wheel and skidding.

  Further, a steering angle sensor that detects the rotation angle of the front wheel 2 (the angle of the handle 6) may be provided, and the output of the steering angle sensor may be stored in the recording device 25. Falling conditions (bank angle, predetermined time, amount of change in bank angle per unit time, etc.) for judging a fall may be different between straight running and turning running (for example, the straight running is more falling) May be set small).

  Furthermore, the bank angle determined to be a fall may change according to at least one of the traveling speed and the turning radius (curve radius). For example, when the traveling speed is high, the bank angle increases when turning a curve. Therefore, the bank angle θ1 that determines that the vehicle falls when the traveling speed is high is the bank angle that is determined to fall when the traveling speed is low. It may be set larger than the angle θ2.

  When the turning radius can be detected by the steering wheel angle or the like, the bank angle θ3 that is determined to fall when the turning radius is large is larger than the bank angle θ that is determined to fall when the turning radius is small. It may be set larger. In this way, the ECU obtains the centrifugal force acting on the vehicle body from the calculation or the database, and determines the bank angle that will fall even if it receives the centrifugal force as the bank angle when it falls. May be.

  Also, even if it is detected that the motorcycle has fallen when the motorcycle posture is changed during a turn, if it is determined that the vehicle is running after the turn, the event data recorder operates normally (when no accident occurs). (Operation) may be restored. For example, after detecting a fall and starting to store the output of the device in a recording device so as not to be overwritten, the overwriting prohibition may be canceled when predetermined normal running information is detected. The normal running information may be information such as that the running state is continued after a predetermined time has elapsed from the time of falling judgment, or that the bank angle has returned to the straight angle during straight running. Further, such a configuration can be similarly applied to a bank angle change amount per unit time for a predetermined time for determining a fall other than the bank angle.

(Second Embodiment)
FIG. 10 is a front view of a motorcycle 60 according to the second embodiment of the present invention. FIG. 11 is a schematic view seen from the front for explaining the fall sensor 61 mounted on the motorcycle 60 shown in FIG. As shown in FIG. 10, the fall sensor 61 of the present embodiment is an acceleration sensor in which the acceleration detection direction is directed in the left-right direction, and is made into a chip by the MEMS technology and incorporated in the ECU 59. Specifically, as shown schematically in FIG. 11, the fall sensor 61 includes a fixed portion 62, a spring portion 63 having one end connected to the fixed portion 62 and extending in the horizontal direction, and the other end of the spring portion 63. And a displacement meter 65 for detecting a relative distance in the left-right direction with respect to the weight portion 64.

  In normal times when the motorcycle 60 is running or jumping, the lateral acceleration of the vehicle body is not greatly applied to the vehicle body. The distance between 64 and the displacement meter 65 is generally L. When the vehicle body falls to the right side, gravity is applied to the weight portion 64 in the extending direction of the spring portion 63, so the distance between the weight portion 64 and the displacement meter 65 is L−ΔL. On the other hand, when the vehicle body falls to the left side, gravity is applied to the weight portion 64 in the contraction direction of the spring portion 63, so the distance between the weight portion 64 and the displacement meter 65 is L + ΔL. That is, when the distance between the weight portion 64 and the displacement meter 65 becomes L−ΔL or L + ΔL, the ECU 59 determines that the motorcycle 1 is in a fall state.

  According to the above configuration, since the fall sensor 61 is incorporated in the ECU 59, a cable connecting the sensor and the ECU becomes unnecessary, and an error due to disconnection or the like can be prevented. Since other configurations are the same as those of the first embodiment, description thereof is omitted.

(Third embodiment)
The event data recorder according to the third embodiment further includes a tire air pressure sensor that detects a tire air pressure of a front wheel exposed at a front end portion of the vehicle, and a collision determination device that determines a vehicle collision based on an output of the tire air pressure sensor. And the control device controls the recording operation of the recording device based on the determination of the collision determination device.

  FIG. 12 is a block diagram illustrating an event data recorder 70 mounted on a motorcycle according to the third embodiment of the present invention. As shown in FIG. 12, the event data recorder 70 includes a tire air pressure sensor 71 that detects tire air pressure of the front wheels at minute time intervals. The front wheels are exposed at the front end of the vehicle body as shown in FIG. The tire pressure sensor 71 is connected to the ECU 72. The ECU 72 has a collision determination unit 73 (collision determination device) that determines whether or not the motorcycle has collided based on the output of the tire air pressure sensor 71. Specifically, the collision determination unit 73 determines that the front wheel has collided with an object when the pressure received from the tire pressure sensor 71 is higher than a predetermined value. The trigger generation unit 31 transmits a trigger to the data output control unit 32 when the collision determination unit 73 determines that the motorcycle has collided. Since other configurations are the same as those of the first embodiment, the same reference numerals are given and description thereof is omitted.

  According to the above configuration, it is possible to detect a collision with an object of a motorcycle without using an acceleration sensor dedicated to collision detection, and the number of parts can be reduced. In this embodiment, the collision determination device is used instead of the fall determination device of the first and second embodiments. However, both the fall determination device and the collision determination device are mounted on the motorcycle, and the fall and / or collision occurs. Alternatively, the trigger generation unit 31 may transmit the trigger to the data output control unit 32 when the signal is detected.

(Fourth embodiment)
The event data recorder of the fourth embodiment further includes a departure determination device that determines that the driver has left the vehicle, and the control device controls the recording operation of the recording device based on the determination of the departure determination device. It is a configuration.

  FIG. 13 is a block diagram for explaining an event data recorder 75 mounted on a motorcycle according to a fourth embodiment of the present invention. As shown in FIG. 13, the event data recorder 75 is applied to a motorcycle having an electronic key system. The electronic key system is automatically unlocked so that the engine can be started when the user holding the electronic key 76 approaches the motorcycle, and the engine is started when the user holding the electronic key 76 moves away from the motorcycle. It is a system that is automatically locked to make it impossible. Specifically, the motorcycle is equipped with an electronic key ECU 77 having a wireless transmission / reception unit (not shown), and the user carries the card-type electronic key 76 in a pocket or the like.

  The electronic key ECU 77 intermittently transmits a request signal. When the electronic key 76 enters the area where the request signal can be received, a response signal such as an ID code is wirelessly transmitted from the electronic key 76. When the electronic key ECU 77 receives the response signal, the electronic key ECU 77 authenticates the ID code. When the authentication is established, the electronic key ECU 77 is unlocked. Further, even after the user rides on the motorcycle and starts the engine, communication between the electronic key 76 and the electronic key ECU 77 is performed in order to check whether or not the electronic key 76 exists within a predetermined area. Is done intermittently.

  The electronic key ECU 77 is connected to the main ECU 78. Further, a speed sensor 74 for detecting the traveling speed of the motorcycle is connected to the ECU 78 as means for detecting whether or not the motorcycle is traveling. The ECU 78 has a separation determination unit 79 that determines whether or not the driver has left the motorcycle based on information from the electronic key ECU 77 and the speed sensor 74. In other words, the electronic key 76, the electronic key ECU 77, the speed sensor 74, and the separation determination unit 79 constitute a separation determination device.

  Specifically, the separation determination unit 79 receives a notification from the electronic key ECU 77 that the electronic key 76 is no longer in the predetermined area, and the traveling speed detected by the speed sensor 74 at the time of reception. If is not zero, it is determined that the driver has thrown out of the motorcycle and has left during traveling. The trigger generation unit 31 transmits a trigger to the data output control unit 32 when the departure determination unit 79 determines that the driver has left the motorcycle. Since other configurations are the same as those of the first embodiment, the same reference numerals are given and description thereof is omitted.

  According to the above configuration, a motorcycle accident can be detected without using an acceleration sensor dedicated to collision detection, and the number of parts can be reduced. In this embodiment, the separation determination device is used instead of the fall determination device of the first and second embodiments or the collision determination device of the third embodiment, but the fall determination device and / or the collision determination device and the separation determination are used. The apparatus may be mounted on a motorcycle together with the apparatus so that the trigger generation unit 31 transmits a trigger to the data output control unit 32 when a fall, collision and / or separation is detected. Further, in this embodiment, an electronic key system is used, but it is detected that the driver has left the motorcycle by detecting the intensity of the radio wave that is always transmitted by the mobile phone possessed by the driver. It may be.

(Fifth embodiment)
FIG. 14 is a block diagram illustrating an event data recorder 80 mounted on a motorcycle according to a fifth embodiment of the present invention. As shown in FIG. 14, the event data recorder 80 includes a body fixture 81 such as an arm band that is fixed to the body of the driver, a connecting body 85 such as a string having one end fixed to the body fixture 81, A connector portion (not shown) at the other end of the coupling body 85 is provided with a connector 82 that is detachably connected. The connector 82 and the connector portion (not shown) of the connecting body 85 are connected to each other during traveling, and the body fixing member 81 is separated from the connector 82 by a predetermined distance or more, and the connecting body 85 has a tensile force of a predetermined value or more. By being loaded, the connector portion (not shown) of the connecting body 85 is configured to be detached from the connector 82.

  The connector 82 is connected to the ECU 83. Further, a speed sensor 74 for detecting the traveling speed of the motorcycle is connected to the ECU 83 as means for detecting whether or not the motorcycle is traveling. The ECU 83 has a separation determination unit 84 that determines whether or not the driver has left the motorcycle based on information from the connector 82 and the speed sensor 74. That is, the body fixing tool 81, the connecting body 85, the connector 82, the speed sensor 74, and the separation determination unit 84 constitute a separation determination device.

  Specifically, the separation determining unit 84 detects that a connector portion (not shown) of the coupling body 85 has detached from the connector 82, and the traveling speed detected by the speed sensor 74 at the time of reception is detected. If it is not zero, it is determined that the driver is thrown away from the motorcycle while traveling. The trigger generation unit 31 transmits a trigger to the data output control unit 32 when the departure determination unit 84 determines that the driver has left the motorcycle. Since other configurations are the same as those of the first embodiment, the same reference numerals are given and description thereof is omitted.

  According to the above configuration, it is possible to detect a motorcycle accident with a simple and inexpensive configuration. In this embodiment, the separation determination device is used instead of the fall determination device of the first and second embodiments or the collision determination device of the third embodiment, but the fall determination device and / or the collision determination device and the separation determination are used. The apparatus may be mounted on a motorcycle together with the apparatus so that the trigger generation unit 31 transmits a trigger to the data output control unit 32 when a fall, collision and / or separation is detected.

(Sixth embodiment)
FIG. 15 is a block diagram for explaining an event data recorder 90 mounted on a motorcycle according to a sixth embodiment of the present invention. As shown in FIG. 15, the event data recorder 90 includes a seat pressure sensor 91 that detects that the driver is seated on the seat 14 (FIG. 1), and the driver holds the grip of the handle 6 (FIG. 1). A grip pressure sensor 92 that detects gripping is provided. The sheet pressure sensor 91 and the grip pressure sensor 92 are connected to the ECU 93. Further, a speed sensor 74 for detecting the traveling speed of the motorcycle is connected to the ECU 93 as means for detecting whether or not the motorcycle is traveling. The ECU 93 includes a separation determination unit 94 that determines whether or not the driver has left the motorcycle based on outputs from the seat pressure sensor 91, the grip pressure sensor 92, and the speed sensor 74. That is, the seat pressure sensor 91, the grip pressure sensor 92, and the detachment determination unit 94 constitute a detachment determination device.

  Specifically, the separation determination unit 94 determines that the output of the seat pressure sensor 91 is a predetermined value or less (the load on the seat 14 is a predetermined value or less), and the output of the grip pressure sensor 92 is a predetermined value or less (the handle 6 When the grip load is equal to or less than a predetermined value and the traveling speed detected by the speed sensor 74 is not zero, the driver's hand is separated from the handle 6 (FIG. 1) and the driver is seat 14 (FIG. It is determined that the driver is thrown out of the motorcycle while traveling away from 1). The trigger generation unit 31 transmits a trigger to the data output control unit 32 when the departure determination unit 94 determines that the driver has been thrown out of the motorcycle. Since other configurations are the same as those of the first embodiment, the same reference numerals are given and description thereof is omitted.

  According to the above configuration, it is possible to detect that the driver has been thrown out of the motorcycle with a simple configuration. In this embodiment, the separation determination device is used instead of the fall determination device of the first and second embodiments or the collision determination device of the third embodiment, but the fall determination device and / or the collision determination device and the separation determination are used. The apparatus may be mounted on a motorcycle together with the apparatus so that the trigger generation unit 31 transmits a trigger to the data output control unit 32 when a fall, collision and / or separation is detected.

  In each of the above embodiments, the motorcycle has been described as an example. However, the event data recorder according to the present invention is not limited to a motorcycle, but other types such as a small watercraft (PWC) and a riding type rough terrain vehicle. It can also be applied to vehicles. Further, the event data recorder according to the present invention is not limited to the above-described embodiments, and the configuration can be changed, added, or deleted without departing from the gist of the present invention.

As described above, the event data recorders according to the present invention has an excellent effect capable of improving the working accuracy of the event data recorder, it is widely applied to the automatic two-wheeled vehicle capable of exerting the significance of this effect it can.

1 is a left side view of a motorcycle according to a first embodiment of the present invention. FIG. 2 is a block diagram for explaining an event data recorder mounted on the motorcycle shown in FIG. 1. It is sectional drawing seen from the front of the fall sensor of the event data recorder shown in FIG. It is sectional drawing seen from the side of the fall sensor shown in FIG. Fig. 2 is a plan view showing a meter unit of the motorcycle shown in Fig. 1. It is a flowchart explaining operation | movement of the event data recorder shown in FIG. It is drawing explaining the newest failure information preserve | saved at the recording device of the event data recorder shown in FIG. It is drawing explaining the accumulation time for every engine speed preserve | saved at the recording device of the event data recorder shown in FIG. It is drawing explaining the frequency | count information of failure preserve | saved at the recording device of the event data recorder shown in FIG. FIG. 6 is a front view of a motorcycle according to a second embodiment of the present invention. Fig. 11 is a schematic view seen from the front for explaining a fall sensor mounted on the motorcycle shown in Fig. 10. It is a block diagram explaining the event data recorder mounted in the motorcycle which concerns on 3rd Embodiment of this invention. It is a block diagram explaining the event data recorder mounted in the motorcycle which concerns on 4th Embodiment of this invention. It is a block diagram explaining the event data recorder mounted in the motorcycle which concerns on 5th Embodiment of this invention. It is a block diagram explaining the event data recorder mounted in the motorcycle which concerns on 6th Embodiment of this invention.

Explanation of symbols

1,60 Motorcycle 2 Front wheel 20, 70, 75, 80, 90 Event data recorder 21, 61 Fall sensor 22 Various sensors (equipment)
23 Various switches (equipment)
Reference Signs List 24 input device 25 recording device 30 fall determination unit 31 trigger generation unit 32 data output control unit 71 tire pressure sensor 73 collision determination unit 79, 84, 94 separation determination unit

Claims (7)

A fall determination device that detects the orientation of the motorcycle and determines the fall of the motorcycle regardless of the impact on the motorcycle;
A recording device for storing the output of the equipment mounted on the motorcycle;
A control device for controlling the recording operation of the recording device based on the determination of the fall detection device,
The recording device stores the output of the device in chronological order, and for the portion exceeding the storage capacity, overwrites and saves from the oldest data area,
When the overturn determination device determines overturn while the motorcycle is running, the control device starts a storage operation that causes the recording device to store the output of the device before and after the overturn determination in an unwritable manner. then,
Wherein the control device, even if the fall determination device determines a fall of the motorcycle, when the running is determined that it is continuing, and wherein the Rukoto to return the storage operation of the recording apparatus in normal operation Event data recorder.   2. The event data recorder according to claim 1, wherein the control device causes the recording device to cumulatively store a usage time for each engine speed of the motorcycle in addition to the output of the device before and after the determination. A plurality of the devices are provided,
The event data recorder according to claim 1, wherein the control device causes the recording device to store the number of failures of each of the plurality of devices in addition to the output of the device before and after the determination. It said recording apparatus further comprising an interface for downloading the stored data to an external event data recorder according to any one of claims 1 to 3.   The event data recorder according to any one of claims 1 to 4, wherein the fall determination device changes a posture condition for determining fall depending on a running state.   The event data recorder according to claim 5, wherein the fall determination device makes the condition for determining fall different between straight running and turning running.   The event data recorder according to claim 6, wherein the fall determination device changes a condition for determining a fall depending on a turning radius during traveling.

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