WO2020054528A1 - Casque de bicyclette et dispositif d'éclairage auxiliaire - Google Patents

Casque de bicyclette et dispositif d'éclairage auxiliaire Download PDF

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Publication number
WO2020054528A1
WO2020054528A1 PCT/JP2019/034726 JP2019034726W WO2020054528A1 WO 2020054528 A1 WO2020054528 A1 WO 2020054528A1 JP 2019034726 W JP2019034726 W JP 2019034726W WO 2020054528 A1 WO2020054528 A1 WO 2020054528A1
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WO
WIPO (PCT)
Prior art keywords
direction indicator
helmet
control circuit
right direction
bicycle
Prior art date
Application number
PCT/JP2019/034726
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English (en)
Japanese (ja)
Inventor
三統 椛島
Original Assignee
デジタルデザインスタジオ株式会社
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Filing date
Publication date
Application filed by デジタルデザインスタジオ株式会社 filed Critical デジタルデザインスタジオ株式会社
Publication of WO2020054528A1 publication Critical patent/WO2020054528A1/fr

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    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices

Definitions

  • the present disclosure relates to a bicycle helmet and an auxiliary lighting device. More specifically, the present disclosure relates to a bicycle helmet and an auxiliary lighting device that can transmit a driving state of a bicycle and a driver's intention to the surroundings.
  • ITS Intelligent Transport System
  • GNSS Global Positioning Satellite System
  • Non-Patent Document 1 a wireless switch is attached to the handle of a bicycle, and a turn indicator operated by the switch is mounted on a helmet of a bicycle driver.
  • Non-Patent Document 2 a high-mount stop lamp added to the rear of a helmet has been developed.
  • Non-Patent Document 3 a bicycle airbag that deploys at a required timing has also been developed.
  • Hand signals may be implemented as rules or conventionally.
  • Hand signals have unique challenges for cyclists to perform. Hand signals require the cyclist to drive one-handed, which can itself be a problem. It is more difficult to execute a hand signal when a signal is necessary and useful, for example, when a sudden stop is required. In addition, even if a hand signal is presented, the meaning of the signal shown is not always fully understood. Further, whether or not the hand signal is transmitted rearward at night is determined by illuminating the hand signal with a headlight of another vehicle (including four-wheeled vehicles, trucks, and any other vehicles; hereinafter, referred to as “other vehicles, etc.”). Depends on whether or not.
  • the hand signal from the bicycle driver is difficult to execute itself as a signal, and even if it can be executed, the situation in which the signal functions as a signal is limited.
  • a bicycle is equipped with a brake light (stop light, brake light) linked to the brake.
  • the present disclosure aims to solve at least some of the above problems.
  • the present disclosure provides a bicycle helmet provided with a means capable of appropriately transmitting a signal for a driving situation and a driving intention in a traveling direction such as a braking operation, a course change, and a left / right turn to a driver of surrounding traffic. This contributes to the smoothness of road traffic including bicycles.
  • the inventor has paid attention to the fact that a helmet worn for protecting the head is used at a position suitable for signaling a driving situation or driving intention to the surroundings. Since the driver's head can reach the maximum height above the ground when the bicycle is operated, arranging lights for signaling on the helmet is advantageous because high visibility can be obtained.
  • the driver's helmet motion can detect the driving situation and driving intention without moving the driver's hand off the steering wheel or operating at hand. it can. Therefore, if the helmet itself or the attachment (auxiliary lighting device) attached to the helmet is provided with the inertial sensor, the light, and the circuit system for appropriately operating the light, the weakness of the visibility of the bicycle can be overcome. I will. The present disclosure has been created based on such an idea.
  • an inertial sensor a rightward indicator visible at least from the rear, a leftward indicator visible at least from the rear, the inertial sensor, the rightward indicator, and the An operation control circuit connected to a left direction indicator, the operation control circuit controlling a start of a blinking operation of the right direction indicator or the left direction indicator in response to an output signal of the inertial sensor. Is done.
  • an inertial sensor a rightward indicator visible at least from the rear, a leftward indicator visible at least from the rear, the inertial sensor, the rightward indicator, and the An auxiliary control device for a helmet, comprising: an operation control circuit connected to a left direction indicator, the operation control circuit controlling a start of a blinking operation of the right direction indicator or the left direction indicator according to an output signal of the inertial sensor.
  • the inertial sensor is of a type capable of detecting angular velocity, a type capable of detecting acceleration, and a type capable of detecting both angular velocity and acceleration, and includes a single type or a combination of plural types.
  • the arrangement and number of coordinate axes to be measured are various, and in the present disclosure, are appropriately selected according to the requirements of the embodiments.
  • the inertial system is a coordinate system fixed to the traveling road surface unless otherwise specified, and a slight deviation from the inertial system in a strict sense is not particularly a problem in the present application.
  • Headlights front lighting
  • daytime driving lights are used during the day and night.
  • It is an electrical signal indicator light that is lit to enhance visibility and is often less luminous than a headlight.
  • a novel bicycle helmet and an auxiliary lighting device are provided, which contribute to smooth bicycle traffic.
  • FIG. 1 is an external view showing an external appearance of a bicycle helmet provided in an embodiment of the present disclosure and a part of components thereof.
  • FIG. 1A is an oblique left front view of the wearer shown in FIG. 1B. Is a side view when observing from the diagonally right rear.
  • FIG. 2 is an elevation view of the appearance of the helmet according to the embodiment of the present disclosure, showing a front surface (FIG. 2A), a left side surface (FIG. 2B), and a rear surface (FIG. 2C).
  • FIG. 3 is a block diagram showing a specific configuration of an electric circuit member mounted on the helmet according to the embodiment of the present disclosure.
  • FIG. 1A is an oblique left front view of the wearer shown in FIG. 1B. Is a side view when observing from the diagonally right rear.
  • FIG. 2 is an elevation view of the appearance of the helmet according to the embodiment of the present disclosure, showing a front surface (FIG. 2A), a left side surface (FIG.
  • FIG. 4 is an explanatory diagram showing how the bicycle driver wearing the helmet according to the embodiment of the present disclosure travels, which is when the course is changed rightward by the operation of starting automatic blinking.
  • FIG. 5 is an explanatory diagram illustrating how the bicycle driver wearing the helmet according to the embodiment of the present disclosure travels, and the direction in which the course is changed to the left by the automatic blinking start operation.
  • FIG. 6 is an explanatory diagram illustrating a running state of the bicycle driver wearing the helmet according to the embodiment of the present disclosure, showing an operation of starting arbitrary blinking, from the rear and the front of a scene in which the course is changed to the left (FIG. 6A, FIG. 6B).
  • FIG. 6 is an explanatory diagram showing how the bicycle driver wearing the helmet according to the embodiment of the present disclosure travels, which is when the course is changed rightward by the operation of starting automatic blinking.
  • FIG. 7 is a side view illustrating a running state of the bicycle driver wearing the helmet according to the embodiment of the present disclosure, and illustrates an operation in which the taillight / brake light is turned on as the brake light.
  • FIG. 8 is a side view of the auxiliary lighting device provided in the embodiment of the present disclosure, as viewed from diagonally right behind, showing an external appearance of the conventional lighting device mounted on a bicycle helmet.
  • FIG. 9 is an external view showing an appearance in a state where the auxiliary lighting device provided in the embodiment of the present disclosure is mounted on a conventional bicycle helmet, and FIG. 9A is an oblique front view of the wearer.
  • FIG. 9B is a side view when observing from obliquely right behind.
  • FIG. 1 is an external view showing an external appearance of a bicycle helmet provided in the present embodiment and some components thereof, and FIG. From the front, FIG. 1B is a side view when viewed obliquely from the rear right.
  • a tail light / brake light 4 On the rear surface of the cap 1 of the helmet 100, a tail light / brake light 4, a right direction indicator 22, and a left direction indicator 24 are attached.
  • the tail light / brake light 4 is disposed at an upper portion of the rear surface of the cap body 1 of the helmet 100 so as to be visible at least from behind.
  • a daytime running / headlight 6 In front of the helmet 100, a daytime running / headlight 6, a front right direction indicator 26, and a front left direction indicator 28 are attached.
  • the helmet 100 is provided with a structure capable of exerting a head protection function.
  • an inner shell made of, for example, styrene foam, and a resin (for example, FRP) outer having the necessary strength to cover the outer surface of the inner shell.
  • a cap body 1 integrated with a shell.
  • the cap body 1 is provided with an opening (not shown) for communicating with the outside as necessary to secure air permeability.
  • the cap body 1 is equipped with a mounting strap 7 and other additional bands (not shown). In use, the cap body 1 extends from the periphery of the cap body 1 located above and behind the left and right ears of the wearer P, and is gathered below the left and right ears of the wearer P and under the chin. It is substantially fixed to the head of the wearer P by the wearing strap 7 and the additional band connected to each other.
  • FIG. 2 is an elevational view of the appearance of the helmet 100 of the present embodiment, showing a front surface (FIG. 2A), a left side surface (FIG. 2B), and a rear surface (FIG. 2C), respectively. Elements are omitted.
  • a tail light / brake light 4 is arranged on the rear side of the helmet 100, and near the back of the wearer who is hardly obstructed by the following traffic and has a high ground clearance, a red light is emitted toward other traffic facing the rear, that is, the front front. Emits.
  • a right direction indicator 22 and a left direction indicator 24 are arranged on the rear surface so as not to overlap with the tail light / brake light 4 and at least at positions where they can be visually recognized from the rear.
  • the arrangement of the tail light / brake light 4, the right turn signal 22 and the left turn signal 24 is such that a triangle formed by the center of each of the tail light / brake light 4, the right turn signal 22 and the left turn signal 24 is formed.
  • the tail light / brake light 4 is arranged so that the height above the ground is relatively relatively high when the rear light and the brake light 4 are used, in such a manner that an isosceles triangle is arranged so as to be a vertex at the upper center and right and left vertices in order.
  • a front right direction indicator 26 and a front left direction indicator 28 are attached at least at positions visible from the front, and are symmetrical.
  • a side surface portion 24S of the left turn signal indicator 24 and a side surface portion 28S of the front left turn signal indicator 28 wrap around.
  • the left direction indicator 24 and the front left direction indicator 28 are also visible from the direction corresponding to the display.
  • the daytime running / headlight 6 emits, for example, white light to enhance the visibility toward the front at a position not overlapping with the front right direction indicator 26 and the front left direction indicator 28.
  • the right direction indicator 22, the left direction indicator 24, the front right direction indicator 26, and the front left direction indicator 28 emit, for example, amber light.
  • the tail light / brake light 4, the right direction indicator 22, the left direction indicator 24, the front right direction indicator 26, the front left direction indicator 28, and the daytime running light / headlight 6 are typically one or more.
  • Each color LED element is provided, and if necessary, a light-transmitting cover for protecting the LED element, a cover in a transmission color matched to the color of emitted light, and a reflector can be provided.
  • the right direction indicator 22, the left direction indicator 24, the front right direction indicator 26, and the front left direction indicator 28 of the present embodiment can be formed to have various shapes from the viewpoint of visibility. it can.
  • the three-dimensional shape of these and the two-dimensional shape of the developed view from the shape along the cap body 1 are, for example, linear, bent (L shape), bent, V-shaped boomerang shape, hook (hook) shape. , An arrow shape, a set of branched line segments, a loop shape, and other various shapes, or a partial combination thereof.
  • 1A and 1B, the shapes of the front left direction indicator 28 and the right direction indicator 22 mainly appear clearly.
  • 2A and 2B also show the shapes of the left turn indicator 24 and the front right turn indicator 26. As shown in FIG.
  • the right direction indicator 22 has a two-dimensional shape in a developed view, and is a V connecting two generally unequal length segments in which a short arm 222 and a long arm 224 are connected by a bent portion 226. It can be made into a letter shape or an L shape with an acute angle.
  • the front left turn signal 28 has a slightly smaller similar shape with a short arm 282.
  • the short arm portion 222 and the short arm portion 282 are arranged on the side of the cap body 1 so as to be away from the periphery of the cap body 1 and to stand up. The same applies to the short arm 242 and the short arm 262.
  • the tail light / brake light 4 the right direction indicator 22, the left direction indicator 24, the front right direction indicator 26, the front left direction indicator 28, and the daytime running / headlight 6 are referred to as "lights”. May be referred to collectively.
  • the electric circuit member 8 (FIG. 2B) is arranged in a space inside the rear end portion, for example, for the arrangement in which the tail light and the brake light 4 face the rear.
  • Each of the right direction indicator 22, the left direction indicator 24, the front right direction indicator 26, the front left direction indicator 28, and the tail light / brake light 4 is preferably one in which a plurality of LED elements are arranged, for example, during daytime.
  • the traveling light and headlight 6 includes at least one LED element.
  • the right direction indicator 22 includes LED elements 22a to 22e.
  • LED elements 24d and 24e are shown.
  • the front left direction indicator 28 includes LED elements 28a to 28e.
  • the tail light / brake light 4 typically includes a plurality of LED elements 4a. Note that the LED element is not always exposed, and a light-transmitting lens member for weather resistance and light distribution may be provided on the surface side thereof.
  • the electric circuit member 8 mounted on the helmet 100 includes a right turn signal 22, a left turn signal 24, a front right turn signal 26, a front left turn signal 28, daytime running lights, which are lighting devices of the helmet 100. It controls the blinking operation and the lighting operation of the headlamp 6 as well as the end of the lighting operation and the extinguishing operation.
  • FIG. 3 is a block diagram showing a specific configuration of the electric circuit member 8 mounted on the helmet 100 in the present embodiment. FIG. 3 also clearly shows the LED elements for each lighting device.
  • the electric circuit member 8 includes an operation control circuit 82 on which a microcomputer is mounted. The operation control circuit 82 operates according to a predetermined program, and controls the connected LED elements with the help of additional circuits as needed.
  • the operation control circuit 82 includes a power supply (for example, a secondary battery 802) for use in a general portable electronic device, an external connection connector 804 for charging or communicating with an external device, and a manual operation device. Switch 806 is connected. In addition to the above, a switch (not shown) for controlling the operation of a function and standby can be provided.
  • a power supply for example, a secondary battery 802 for use in a general portable electronic device
  • an external connection connector 804 for charging or communicating with an external device
  • Switch 806 is connected.
  • a switch (not shown) for controlling the operation of a function and standby can be provided.
  • the electric circuit member 8 described above can include additional means on various electric and electronic circuits to enhance the usability of the helmet 100.
  • the external connection connector 804 has a universal connection standard such as USB (Universal Serial Bus)
  • the secondary battery 802 of the helmet 100 can be charged more easily. Even when a wired or wireless power transmission unit (not shown) is employed, the charging operation from other devices becomes easy, which greatly contributes to improving the usability of the helmet 100.
  • the electric circuit member 8 can be equipped with a module for vibration charging or non-contact charging, an optional device, or the like.
  • the bicycle has a power source such as an electrically assisted bicycle, the bicycle can be charged by power transmission from the power source of the bicycle.
  • the power source can be any power source that can be used for the required duration.
  • a battery is one suitable example.
  • a primary battery can also be used as the power supply.
  • the battery such as the secondary battery 802 does not necessarily need to be a part of the electric circuit member 8 as long as the electric connection with the electric circuit member 8 is established.
  • the battery is placed at an appropriate position from the viewpoint of mounting convenience and the weight distribution of the entire helmet 100. Further, by placing a battery outside the helmet 100 and connecting the battery to the helmet 100 with an appropriate cable, the load on the neck of the wearer P due to the mass of the helmet 100 can be reduced.
  • the battery can be attached, for example, to the upper arm of the wearer P or to a saddle on which the wearer P sits.
  • the inertia sensor 86 is connected to the operation control circuit 82.
  • the inertia sensor 86 is fixed to the cap body 1 of the helmet 100 directly or via an appropriate inclusion, and detects a motion of the helmet 100 with respect to the inertial system.
  • the inertial sensor 86 includes a gyro sensor (angular velocity sensor) 862 for detecting an angular velocity and an acceleration sensor 864.
  • a gyro sensor angular velocity sensor
  • an acceleration sensor 864 can be adopted.
  • Vertical Reference Unit 3DM-CV5-15, available from LOAD Corporation (Williston, Vermont, USA), outputs both a gyro sensor 862 and an acceleration sensor 864 to output three-axis angular velocity and three-axis acceleration. Is one of the useful ones.
  • a drive circuit suitable for the electric circuit member 8 can be employed.
  • the constant current output shift registers 842 and 844 are used for the electric circuit member 8 in order to drive the LED elements by, for example, chain lighting (sequential lighting).
  • the constant current output shift register 842 includes LED elements included in the right turn indicator 22 and the front right turn indicator 26 (five LED elements in FIG. 3, LED elements 22a to 22e of the right turn indicator 22 in FIG. 1B). Are sequentially turned on in response to the clock signal from the operation control circuit 82, and can be turned off all at once or sequentially.
  • the output is a current output suitable for causing each LED element to emit light.
  • FIG. 3 illustrates five LED elements.
  • the number of LED elements here is for illustrative purposes, and the number is not particularly limited. Further, even if the number of LED elements is the same between the right direction indicator 22 and the front right direction indicator 26 and between the left direction indicator 24 and the front left direction indicator 28, they are different from each other. You may.
  • the constant current output shift register 844 can perform the same operation as the constant current output shift register 842 for the left turn indicator 24 and the front left turn indicator 28. However, in the blinking operation as a signal for changing the course, only one of the constant current output shift registers 842 and 844 is operated, and the right turn indicator 22, the front right turn indicator 26, or the left turn indicator 26 respectively. Only 24 and the front left indicator 28 emit light.
  • the blinking operation by simultaneous blinking and chain lighting will be specifically described based on FIG. 1B.
  • the LED elements 22a to 22e of the right direction indicator 22 blink so that they are turned on all at once and turned off all at once.
  • the blinking by the chain-type lighting for example, one or more LED elements of the LED elements 22a to 22e are simultaneously lit, and the lighting range is from the LED element 22a to the LED element 22e while maintaining a state in which a fixed number of LED elements are lit. The light is turned on and off, and then turned off.
  • the lighting range is expanded with time so that, of the LED elements 22a to 22e, only the LED element 22a is first, then the LED elements 22a and 22b, and then the LED elements 22a to 22c.
  • the operation of turning on all the LED elements 22a to 22e and then turning off all at once is repeated and blinks.
  • a signal of high visibility can be realized.
  • by adopting the chain-type lighting it is possible to realize high visibility in which the direction can be identified accurately, in combination with the shape of the right turn indicator 22 including the short arm portion 222.
  • a blinking operation is realized in which lighting starts from the long arm portion 224, the bent portion 226 is turned on, and finally the short arm portion 222 is turned on and the whole is turned off.
  • the direction of the signal is emphasized, and the long arm portion 224 is provided.
  • the shape of the short arm portion 222 is visually recognized as if the whole were " ⁇ " or ">" (unequal sign) or an arrow. Therefore, for example, even if the following traffic visually recognizes the signal from a distance, the direction of the signal can be intuitively understood.
  • Such an operation is the same for the left direction indicator 24, the front right direction indicator 26, and the front left direction indicator 28.
  • the above-described shape and operation are performed in the right direction indicator 22, the left direction indicator 24, the front right direction indicator 26, and the front left direction indicator 28, which must be arranged in a narrow left and right width as compared with a car or the like. Even when the following traffic rapidly approaches from a distant place, it contributes to communicating the direction of the direction indicator.
  • the electric circuit member 8 also has an output for driving the tail light / brake light 4 and the daytime running light / headlight 6.
  • the taillight / brake light 4 realizes an operation of constantly weak lighting when the taillight (tail lamp) is used, and strong lighting during braking when the taillight (brake lamp) is used. For this reason, in the case where a plurality of LED elements 4a are used, the number of LED elements that operate in weak lighting and strong lighting is changed, or the luminous intensity is changed while all the LED elements 4a are simultaneously turned on. It is operated as follows.
  • the daytime running / headlight 6 is also controlled to turn on or off one or more LED elements that emit white light.
  • daytime running light and headlight 6 When the daytime running light and headlight 6 is used as a daytime running light (daytime light), the light is turned on weakly, and when it is used as a headlight (headlight), it is turned on strongly. For weak lighting and strong lighting, the number of LED elements to be turned on may be changed, or the luminous intensity of individual LED elements may be controlled.
  • the head of the bicycle driver ie, the wearer P of the helmet 100, moves with respect to the inertial system according to the driving situation, and the wearer P intentionally tilts or shakes the head according to the driving intention.
  • Exercise also affects the movement.
  • the movement of the head of the wearer P is detected by detecting the movement of the helmet 100 with respect to the inertial system.
  • the operation of each lighting device will be described separately for the operation of the direction indicator (3-1), the operation of the tail lamp and the brake light (3-2), and the other operations (3-3).
  • FIG. 4 and FIG. 5 are explanatory views showing how a bicycle driver wearing the helmet 100 of the present embodiment is traveling, and show an operation of starting automatic blinking. Specifically, this is when the course is changed rightward (FIG. 4) and when the course is changed leftward (FIG. 5).
  • FIG. 6 is an explanatory view showing a running state of the cyclist wearing the helmet 100 of the present embodiment in an arbitrary blinking start operation, and is observed from behind and in front of a scene in which the course is changed to the left. (FIGS. 6A and 6B).
  • the movement of the helmet 100 with respect to the inertial system detected for operating the turn signal can be said to be generally one or both of a roll movement and a translation movement.
  • the roll motion uses the traveling direction of the bicycle 10 as a rotation axis (roll axis), and is a motion that combines the motion of the entire bicycle 10 and the motion of the head of the wearer P with respect to the motion of the bicycle 10.
  • the translational operation mainly includes a component in the left-right direction toward the traveling direction.
  • the motion of the helmet 100 is detected using the inertia sensor 86 for both the case of the automatic blinking start and the operation of the arbitrary blinking start.
  • the blinking operation of the right turn signal 22 and the front right turn signal 26 or the left turn signal 24 and the front left turn signal 28 is started.
  • the started blinking operation is terminated by the operation control circuit 82 in response to the lapse of a predetermined time from the start of the blinking operation or the completion of the predetermined number of times of the blinking operation.
  • the tilt angle of the bicycle The target of the movement of the helmet 100 may include a tilt angle that can be detected by the gyro sensor (angular velocity sensor) 862 among the inertial sensors 86.
  • a tilt angle (bicycle tilt angle ⁇ ) indicating a tilt accompanying the course change exercise of the entire bicycle around a central portion (“ground point G”) of an area where the road surface contacts the rear wheel of the bicycle;
  • the return angle ⁇ that the wearer P returns unconsciously is divided, and both directions that are inclined leftward and rightward from the vertically upward direction (the direction opposite to the attraction due to the gravitational field) are defined as positive directions.
  • the bicycle inclination angle ⁇ when the bicycle is traveling straight is considered to be zero or small.
  • the bicycle inclination angle ⁇ is the inclination angle of the entire bicycle from the vertical upward direction, and is generally the inclination generated between the wearer P and the entire bicycle. This inclination occurs unconsciously in the normal driving operation of the bicycle in which the bicycle is balanced so that the entire bicycle does not fall while generating an inward force (centripetal force) for changing the course.
  • the bicycle inclination angle ⁇ is an angle around the roll axis passing through the contact point G.
  • the return angle ⁇ is an angle at which the driving wearer P adjusts the direction of the upper body and neck unconsciously and returns the head to a level near the horizontal in order to weaken the inclination angle felt by the driver. This angle is described in the present description with reference to the direction of the entire bicycle, and is assumed to be opposite to the bicycle inclination angle ⁇ . However, the return angle ⁇ is not limited to one that reduces the bicycle inclination angle ⁇ .
  • the angle actually detected by the helmet 100 is given by ⁇ using the bicycle inclination angle ⁇ and the return angle ⁇ when the inclination angle is measured in the positive direction.
  • the angle detected by the helmet 100 is, for example, a value obtained by time-integrating an angular velocity that can be measured by the inertial sensor 86.
  • a low-pass filter or a Kalman filter is mounted as a filter capable of appropriately removing accumulated errors as a function of a program of the operation control circuit 82 or as a function of an inertial sensor for the inertial sensor 86. be able to.
  • Filters including a Kalman filter and a low-pass filter are also useful to be distributed to a high-speed processing device of an external device terminal (for example, a smartphone) carried by a user in order to increase the calculation speed.
  • the communication state is maintained between the device terminal and the electric circuit member 8 by, for example, wireless connection.
  • the angular velocity (gyro sensor 862) and acceleration (acceleration sensor 864) directly output from the inertial sensor 86 are measured values of the inertial sensor 86 itself with respect to the inertial system, and are added to the direction in which the inertial sensor 86 is attached to the helmet 100.
  • the angular velocity and the inclination angle about the roll axis can be obtained by executing the coordinate conversion processing that is usually performed by the operation control circuit 82 if the above-mentioned filter is appropriate. From the angle measurement value actually detected by the helmet 100, ⁇ - ⁇ itself can be derived with sufficiently high accuracy by using the integral value of the angular velocity in an appropriate direction.
  • the movement of the helmet in the horizontal direction may be focused on the movement of the helmet 100, and may include the acceleration detected by the acceleration sensor 864 of the inertial sensor 86.
  • the lateral translation speed or the lateral movement amount can be determined based on the lateral acceleration of the helmet 100.
  • the helmet 100 is located almost directly above the ground contact point G when traveling straight, whereas when the bicycle is inclined, the helmet 100 is at the position x moved from directly above the helmet 100.
  • the x-axis (FIGS. 4 and 5) in which the traveling direction left is set to be positive, when the bicycle is inclined to the right toward the traveling direction, the x-axis is inclined to the left (-x) and inclined to the left. To the x axis.
  • the speed in the left-right direction is obtained by the first-order integration on the time axis
  • the amount of movement in the left-right direction is obtained by the second-order integration on the time axis.
  • any one of the bicycle inclination angle ⁇ , the lateral movement amount x, and the lateral acceleration, or any two or more of these is selected. The operation is determined based on the combination.
  • the operation control circuit 82 Based on the bicycle inclination angle ⁇ , the operation control circuit 82 derives the bicycle inclination angle ⁇ from the measured value of the inclination angle by calculation. Where the measured inclination angle corresponds to ⁇ , the bicycle inclination angle ⁇ is derived from this. This point will be described later (3-1-5). Next, the bicycle inclination angle ⁇ is compared with a predetermined threshold value for the bicycle inclination angle.
  • the operation control circuit 82 calculates and derives the lateral movement amount x from the measured value of the acceleration in the x-axis direction.
  • the lateral movement amount x is compared with a predetermined threshold value for the lateral movement amount x. If based on lateral acceleration, the measured value of the acceleration in the x-axis direction is compared to a predetermined threshold value for the acceleration in the x-axis direction.
  • the blinking operation of the right direction indicator 22 and the front right direction indicator 26 or the left direction indicator 24 and the front left direction indicator 28 is started or stopped as a signal to the right or left.
  • This is a process of determining whether or not to make the setting.
  • the constant current output shift register 842 or 844 must be operated to start the blinking operation.
  • the right direction indicator 22, the front right direction indicator 26, the left direction indicator 24, and the front left direction indicator 28 can be simultaneously viewed from the side from the side. Therefore, the blinking operation between the right turn indicator 22 and the front right turn indicator 26 and the blinking operation between the left turn indicator 24 and the front left turn indicator 28 are matched.
  • the end of the blinking operation preferably corresponds to the lapse of a predetermined time from the start of the blinking operation or the completion of the predetermined number of times of the blinking operation.
  • the automatic blinking may be performed based on the roll axis angular velocity or the lateral velocity, the bicycle inclination angle ⁇ , the roll axial angular velocity, the lateral movement amount x, the lateral acceleration, the lateral velocity, or the like. It is also possible to calculate an index of a linear sum by combining two or more values from the above five values, and operate based on the calculated value.
  • the swing angle ⁇ is compared with a predetermined threshold value for the swing angle.
  • the blinking operation of the right turn indicator 22 and the front right turn indicator 26 or the left turn indicator 24 and the front left turn indicator 28 is started or not. Is the determination process.
  • the movement control circuit 82 derives the movement amount x in the left-right direction from the measured value of acceleration in the x-axis direction.
  • the lateral movement amount x is compared with a predetermined threshold value for the lateral movement amount.
  • the blinking operation of the right turn indicator 22 and the front right turn indicator 26 or the left turn indicator 24 and the front left turn indicator 28 is started or not.
  • the determination process When determining the action of starting the arbitrary blinking based on the lateral acceleration, the measured value of the acceleration in the x-axis direction is compared with a predetermined threshold value for the lateral acceleration. In this comparison, as a signal to the right or left, the blinking operation of the right turn indicator 22 and the front right turn indicator 26 or the left turn indicator 24 and the front left turn indicator 28 is started or not. Is the determination process.
  • the operation of starting the blinking operation and the end thereof are the same as in the case of the automatic blinking start.
  • intentionally shaking the head is rotation around an axis parallel to the roll axis and passing through the position of the neck, such as the point M in FIG. 6A, for example.
  • intentionally shaking the head and the resulting swing angle ⁇ are not only those having a rotation axis parallel to the roll axis, but also around the rotation axis parallel to the yaw axis and the body orientation. Objects around the rotation axis in other directions can also be set as detection targets depending on individual differences.
  • the arbitrary blinking start may be performed based on the roll axis angular velocity or the lateral direction velocity, the swing angle ⁇ , the roll axis angular velocity, the lateral movement amount x, It is also possible to calculate an index of a linear sum by combining two or more values from the five values of the left-right acceleration and the left-right speed, and operate based on the calculated values.
  • the signal outputs of the gyro sensor 862 and the acceleration sensor 864 indicate the angular velocities and accelerations on the coordinate axes of the inertial sensor 86, and are obtained continuously over time.
  • the above description of the inclination angle is merely an example.
  • an instantaneous value of a time change (angular velocity) of the inclination angle can be used as it is.
  • the bicycle inclination angle ⁇ , the return angle ⁇ , and the swing angle ⁇ have general properties as shown in Table 1.
  • the inclination angle or the angular velocity is obtained as a value with respect to the roll axis of the helmet 100 through appropriate coordinate conversion.
  • the default value is generally the expected straight-forward value or behavior.
  • the time change is in a course change or shaking motion. It is a time change of the angle. Continuity is whether the value of the angle itself is kept.
  • the position of the axis is the position of the mathematical imaginary axis at which the actual angle occurs, although all around an axis of rotation parallel to the roll axis.
  • automatic blinking start can be executed by appropriately estimating the value of the bicycle inclination angle ⁇ and determining a threshold value.
  • the bicycle inclination angle ⁇ normally has a value near zero, for example, when traveling straight. However, there may be fluctuations such as a periodic vibration of the pedaling operation of the bicycle driver, and fluctuations such as the bicycle driver shaking his head unconsciously.
  • the bicycle inclination angle ⁇ indicates a relatively slow time change and continuity corresponding to the operation of the course change by the cyclist driving the bicycle even when the course is changed. It is a rotational movement about the contact point G (FIG. 4A) that increases or decreases the bicycle inclination angle ⁇ .
  • the return angle ⁇ follows the movement of the head at the stage of going straight.
  • the type of exercise performed by the wearer P is undefined.
  • the return angle ⁇ changes slowly with time and has continuity.
  • the return angle ⁇ is due to an unconscious operation when the user does not intentionally shake his head or the like.
  • the position of the axis serving as the rotation center of the return angle ⁇ is, for example, about the neck or the upper body in the case where the movement is performed to deflect left and right to the upper body.
  • a point N schematically shows this position.
  • the wearer P knows the operation of starting the arbitrary blinking as knowledge, it is conceivable that if the wearer P is proficient to some extent, the operation close to the operation of shaking the head is suppressed.
  • the row of ⁇ - ⁇ in Table 1 can be predicted from general properties of the bicycle inclination angle ⁇ and the return angle ⁇ .
  • the inclination angle directly obtained by the measurement is ⁇ - ⁇
  • the time change and the continuity are similar
  • the direction can be the direction to cancel.
  • the first method is a method that focuses on the difference in axis position.
  • the inclination angle gives a value of ⁇ , which is a composite of the bicycle inclination angle ⁇ around the contact point G and the return angle ⁇ from the upper body to the neck (point N).
  • the velocity is the integral value on the time axis of the acceleration in the direction perpendicular to both the vertical axis and the traveling direction (the left-right direction for the wearer P moving straight) or the second-order integral value on the time axis of the acceleration. It is useful to combine with a certain amount of movement.
  • the operation control circuit 82 is provided with a storage unit (not shown) for storing the physical size of the wearer P and the numerical value of the size of the bicycle necessary for determining or estimating the distance between the ground point G and the point N. Data can be stored there.
  • the bicycle inclination angle ⁇ is determined from the measured value of ⁇ mainly by filtering the signal by using characteristics such as time change. Is to be separated.
  • the necessary filters can be realized by digital operation in the operation control circuit 82, such as a Kalman filter, a low-pass filter, and a band-pass filter.
  • the third method uses a rotation component parallel to the yaw axis measured by the gyro sensor 862.
  • a left and right course change due to the exercise of the bicycle is involved. For this reason, if the change in the traveling direction of the entire bicycle to the left or right can be detected by the angular velocity of rotation having a component on the yaw axis, it is a proof that the bicycle inclination angle ⁇ has occurred.
  • An example useful operation is that only when an angular velocity having a component on the yaw axis is detected, the bicycle inclination angle ⁇ is estimated from the measured value of the roll axis component of the detected angular velocity, and the threshold is reversed. Things.
  • the angular velocity or angle of such rotation can be used.
  • the helmet 100 follows the movement of the head, the influence of the component similar to the component parallel to the yaw axis of the angular velocity also appears, but it is necessary to perform necessary filtering on the component to determine the component of the direction change of the entire bicycle. it can.
  • automatic blinking start can be executed by determining the threshold value of the horizontal movement amount x.
  • the lateral movement amount x is expressed by the distance from the contact point G to the helmet 100, the bicycle inclination angle ⁇ , and the return angle ⁇ . Is directly obtained from the speed which is the integral value of the acceleration on the time axis or the movement amount which is the second-order integral value on the time axis of the same acceleration.
  • automatic blink start can be executed by determining the threshold value of lateral acceleration.
  • the lateral acceleration is also represented by a change in the distance from the contact point G to the helmet 100, the bicycle tilt angle ⁇ , and the return angle ⁇ , but the acceleration in the x-axis direction is directly measured. You.
  • a threshold is determined to detect a swing angle ⁇ .
  • Table 1 Although the swing angle ⁇ follows the movement of the head at the stage of going straight ahead, since it is a voluntary and spontaneous operation reflecting the driving intention, the time change is generally fast and continuous. It is returned immediately without sex. Although it is an operation of shaking the head consciously, it can be said that it is an unnecessary operation just to drive the bicycle, so that the head is not shaken by the whole body. Therefore, the rotation axis is located at a high position such as point M in FIG. The point M is at a higher position than the point N (FIGS.
  • the threshold value can be relatively easily determined based on the value of the angular velocity.
  • the threshold value in this case is determined from the viewpoint that the user does not unintentionally shake the head and suddenly starts arbitrary blinking, and the viewpoint that the intentional shaking operation can execute the arbitrary blink start as intended. Is done.
  • the motion of shaking the head may vary from individual to individual, and the swing angle ⁇ also generates an angular velocity in the opposite direction even when returning, if the order of the positive and negative angular velocities is also combined with the threshold determination, the arbitrary blinking start Is useful because it can detect the movement of the head for a few errors.
  • the start of arbitrary blinking can be secondarily executed by determining a threshold value of the left / right movement amount x.
  • the horizontal movement amount x is the speed which is the integral value of the acceleration in the x-axis direction on the time axis or the second order on the time axis of the same acceleration. It is directly obtained by the amount of movement which is an integral value.
  • the start of arbitrary blinking can be executed by determining the threshold value of the left-right acceleration.
  • the acceleration in the x-axis direction is directly measured as in the case of the automatic blinking start (3-1-5-3).
  • the threshold is set for each bicycle driver.
  • it is adapted to each cyclist. For example, for some bicycle drivers, it is appropriate to operate the automatic blinking start function at a small bicycle inclination angle ⁇ in order to start automatic blinking, while other bicycle riders should operate this function only at a large bicycle inclination angle ⁇ . Can also exist.
  • sensitivity settings such as setting the threshold value for the bicycle inclination angle ⁇ for automatic blinking closer to zero or setting it to be insensitive by making it significantly different from zero Can be realized by intentionally providing room for adaptation to the cyclist.
  • Various setting methods for personalizing the threshold setting can be adopted.
  • an external device terminal for example, a smartphone
  • various functions for responding to individual differences use a display device, an input device, and a storage unit in the external device terminal.
  • application software for example, high usability can be provided by adopting an implementation mode in which the sensitivity is adjusted by a slider bar or the like on the screen of the smartphone, or the set setting data is saved.
  • the setting data related to the sensitivity and the corresponding threshold value is received in the external device terminal by communication means such as the external connection connector 804 and the wireless communication receiving unit 830 (FIG. 3).
  • the setting data is stored in the setting data storage unit 870 connected to the operation control circuit 82 of the helmet 100, and can be reflected on the operation of the helmet 100.
  • Such personalization of the setting data can be applied to the case where the automatic blinking start is operated and the case where the arbitrary blinking start is operated, and the lateral movement amount x, the lateral acceleration, the lateral speed, and The same can be done for the swing angle ⁇ or any combination of one or more of these.
  • the external device terminal is a smartphone or the like, for example, it is one of the preferable cases that the sensitivity adjustment described above and the set values are managed by application software.
  • setting values can be managed by application software of the external device terminal by further cooperating with a cloud server as an additional device.
  • the communication means of the helmet 100 is capable of receiving personalized setting data on sensitivity and setting values from the cloud server, instead of direct communication with the external device terminal, It is also useful to receive personalized configuration data.
  • the functions of the application software and the cloud server in the external device terminal may be a part of the functions of the application software having functions other than the cooperation with the helmet 100.
  • some functions of the application software for managing the share cycle may include a function for coordinating with the helmet 100.
  • the transfer of the user's personalized setting data to the helmet 100 provided when renting a bicycle is performed through a single application software and, if necessary, via a management application software using a cloud server. realizable.
  • the measurement operation of outputting each speed and acceleration by the gyro sensor 862 and the acceleration sensor 864 of the inertial sensor 86 preferably performs the calibration operation at an appropriate timing such as when a power supply (not shown) is turned on. Is preferred.
  • a power supply not shown
  • the orientation of the inertial sensor 86 with respect to the inertial system differs even at the bicycle ride position due to individual differences and postures. As a result, the relationship between the sensor-specific coordinate system of the inertial sensor 86 and the inertial system is not fixed.
  • the sensor calibrates the coordinate system used in the operation.
  • the helmet 100 of the present embodiment by implementing this calibration function, malfunctions due to individual differences or the like can be significantly reduced. It should be noted that the use of this calibration makes it difficult for a deviation to occur even in the filtering by the Kalman filter. For this reason, calibration is useful also for filter correction.
  • calibration of the coordinate system by various methods can be used in addition to operating the calibration function when the power is turned on.
  • the tail light / brake light 4 can be operated as a tail light (tail light) and a brake light (brake light).
  • tail light / brake light 4 When the tail light / brake light 4 is operated as a tail light, a continuous lighting state in weak lighting is maintained, and it can be configured to be turned on and stopped only by the operation of the lighting flashing switch 806.
  • the tail light / brake light 4 in order for the tail light / brake light 4 to function as a brake light (brake lamp), it is turned on strongly.
  • the case of strong lighting is, for example, about 5 times higher so that it can be clearly distinguished from the case of weak lighting. It is preferable to operate the tail light / brake light 4 to emit light at the luminous intensity.
  • FIG. 7 is a side view showing a running state of the bicycle driver wearing the helmet 100 of the present embodiment, and shows an operation in which the tail light / brake light 4 is turned on as a brake light.
  • Automatic and arbitrary operations are also possible in order to use the tail light / brake light 4 as a brake light.
  • the operation control circuit 82 controls the tail light / brake light 4 to start the lighting operation of the brake light according to the output signal of the inertial sensor 86 (FIG. 3).
  • the acceleration sensor 864 detects the acceleration in the traveling direction (front-rear direction) coordinate that is positive in the traveling direction as shown in FIG.
  • the lighting operation of the LED element 4a of the tail light / brake light 4 is started.
  • the determination based on the duration such as whether the acceleration exceeds the threshold for a certain period of time.
  • the operation is performed according to the movement of the head of the wearer P. A movement in which the wearer P raises his chin and tilts his head backward can be detected by, for example, a gyro sensor 862 or an acceleration sensor 864 as a rapid change in angular velocity or acceleration.
  • the LED element 4a can be turned on or off in both an automatic operation and an optional operation. In addition to this, for example, it can be turned on in the case of an automatic operation, and blinked in the case of an arbitrary operation. If the operation is different between the automatic operation and the arbitrary operation, various signals can be shown to the following traffic through the tail light / brake light 4.
  • a practical example of such various signals can be assumed, for example, when there is a pedestrian who is approaching a pedestrian crossing where a bicycle travels. It is assumed that the wearer P is traveling by inertia without pedaling while the pedestrian cannot determine whether or not the pedestrian wants to cross. If there is a possibility that the bicycle may stop depending on the movement of the pedestrian, if the tail light / brake light 4 is arbitrarily blinked, the wearer P can warn the rear according to the possibility. .
  • the helmet 100 is configured so that the wearer P can be notified of the operation of the direction indicator by sound.
  • the helmet 100 is provided with at least one speaker capable of reproducing a sound waveform that can be heard by the wearer P.
  • a voice control circuit 810 is connected to the operation control circuit 8.
  • Two speakers 812 and 814 are connected to the audio control circuit 810.
  • the speaker 812 reproduces the sound waveform indicating that the blinking operation is being performed simultaneously with the blinking operation of the right direction indicator 22, and the speaker 814 is performing the blinking operation simultaneously with the blinking operation of the left direction indicator 26. Is reproduced.
  • This sound waveform may be any of a recorded sound, a recorded mechanical sound, and a synthetic electronic sound.
  • the operation in which the tail light / brake light 4 is turned on can be distinguished by reproducing the same audio waveform from both the speaker 812 and the speaker 814.
  • only one speaker is provided, so that the same sound waveform can be reproduced regardless of which of the left and right direction indicators and the taillight / brake light 4 operates, and whether the left or right can be distinguished from the contents, Even if a sound waveform that can be distinguished as a brake light is reproduced, the operation of the turn signal and the operation of the tail light and the brake light can be sensed by the wearer P, which is useful.
  • the helmet 100 according to the embodiment of the present disclosure can be implemented in various forms with additional features.
  • the helmet 100 of the present embodiment can further include a wireless communication receiving unit 830 (FIG. 3) capable of communicating with another electronic device.
  • a typical wireless communication receiving unit 830 conforms to a short-range communication protocol such as Bluetooth (registered trademark), and is equipped with an appropriate antenna 832.
  • Other electronic devices include, but are not limited to, for example, smart phones, smart watches, and cycle computers.
  • An audio waveform corresponding to an audio signal from another electronic device (not shown) received by the audio control circuit 810 through the wireless communication receiving unit 830 can be reproduced by the speakers 812 and 814.
  • Such audio waveforms include, but are not limited to, arbitrary audio waveforms such as music from a smartphone, a smartwatch, and a cycle computer, a warning sound, and a notification sound.
  • the electric circuit member 8 can further include a global positioning satellite system (GNSS) receiver 88 (FIG. 3) such as a GPS receiver.
  • GNSS global positioning satellite system
  • the GNSS receiver 88 employs, for example, a device corresponding to an arbitrary satellite positioning system such as a global positioning satellite system (GPS), a global navigation satellite system (GLONASS), a Galileo, and a quasi-zenith satellite system (QZSS). can do.
  • GPS global positioning satellite system
  • GLONASS global navigation satellite system
  • Galileo Galileo
  • QZSS quasi-zenith satellite system
  • a 700 Mhz wireless transmission / reception unit 850 required for inter-vehicle communication and an associated antenna 852 are also connected to the operation control circuit 82 as necessary.
  • the helmet 100 can have various characteristics from the viewpoint of practicality. One of them is a waterproof / drip-proof / dust-proof structure.
  • the helmet 100 is affected by rainwater, snow and ice during use or storage, and may be affected by dust as well as general bicycle equipment.
  • it is preferable that the helmet 100 has a predetermined waterproof / drip-proof / dust-proof structure.
  • adopting a structure conforming to IP55 and IP56 is advantageous in terms of ensuring practicality.
  • the operation of the helmet 100 of the present embodiment using the motion detected by the inertial sensor can reduce the number of exposed switches and external connection terminals, which is preferable from the viewpoint of practicality.
  • Auxiliary lighting device that is an attachment including a lighting device and an electric circuit member therefor.
  • a wearer P wearing a conventional bicycle helmet 300 without a lighting device wears the auxiliary lighting device, so that the same function as the helmet 100 of the present embodiment described above can be realized at a lower cost.
  • all the descriptions regarding the helmet 100 of the present embodiment described above form part of the description for the auxiliary lighting device.
  • FIG. 8 is a side view showing the appearance of the auxiliary lighting device 40 in a state where the auxiliary lighting device 40 is mounted from above on the conventional bicycle helmet 300, as viewed obliquely from the rear right.
  • the auxiliary lighting device 40 includes a tail light / brake light 4, a right direction indicator 22, and a left direction indicator 24, and incorporates the electric circuit member 8.
  • Such an auxiliary lighting device 40 is fixed to the cap body 301 of the bicycle helmet 300 by, for example, some fixing means (not shown).
  • the securing means includes any means capable of at least temporarily securing, non-limiting examples of which include hook-and-loop fasteners, adhesives, pressure-sensitive adhesives, double-sided adhesives, combinations of friction members and shrinkable straps.
  • the electric circuit member 8 of the auxiliary lighting device 40 is also provided with an inertial sensor 86 similar to that shown in FIG.
  • the auxiliary lighting device 40 is preferably manufactured so as to have a certain degree of flexibility as a whole, and fits into the shape of the cap body 301 to be attached and is integrated. For this reason, flexibility is also given to the electric circuit member 8 using, for example, an FPC (flexible printed circuit board).
  • the auxiliary lighting device 40 can detect the motion of the wearer P and the motion of the entire bicycle with respect to the inertial system through the inertial sensor 86 similarly to the helmet 100.
  • the right direction indicator 22 includes two unequal-length segments in which the short arm 222 and the long arm 224 are connected by the bent portion 226, as in the case of the helmet 100 shown in FIG. 1B.
  • the tail light / brake light 4, the right direction indicator 22, and the left direction indicator 24 of the auxiliary lighting device 40 can be operated in the same manner as the helmet 100.
  • auxiliary lighting device 40 can be easily attached to the existing bicycle helmet 300, the same function as the helmet 100 can be provided to the obtained bicycle helmet 300, and the bicycle traffic can be smoothly performed at a low introduction cost.
  • Can be The right turn indicator 22 and the left turn indicator 24 can be set to a chain lighting.
  • the taillight / brake light 4 may be operated differently so as to be turned on and flashed between an automatic operation and an optional operation. In these operations, either or both of the gyro sensor 862 and the acceleration sensor 864 are used.
  • FIG. 9 is an external view showing the appearance of the auxiliary lighting device 42 mounted on the conventional bicycle helmet 300 from above.
  • FIG. 9A is an oblique front left view of the wearer P, and FIG. It is a side view when observed from behind.
  • a wearer P wearing a conventional bicycle helmet 300 wears the bicycle helmet 300 so that the auxiliary lighting device 42 is put on the bicycle helmet 300.
  • the auxiliary lighting device 42 includes a front pad (front substrate) 44, a rear pad (rear substrate) 46, and an adjustable connecting strap 48 for connecting them.
  • a friction member (not shown) made of a rubber member or the like is disposed on the surface of the front pad 44 and the rear pad 46 that comes into contact with the surface of the cap body 301 as necessary.
  • the friction member when combined with the connecting strap 48, serves as a fixing means of the auxiliary lighting device 42 to the helmet 300.
  • the rear pad 46 has a built-in electric circuit member 8 such as that shown in FIG. 3, and the right turn indicator 22 and the left turn indicator 24 are attached in such a manner as to face rearward when mounted.
  • the front pad 44 is provided with a daytime running / headlight 6, a front right direction indicator 26, and a front left direction indicator 28 in such a manner as to face forward when mounted.
  • the front pad 44 and the rear pad 46 are electrically connected to each other by a wiring code (not shown). For this reason, the tail light / brake light 4 of the auxiliary lighting device 42, the right direction indicator 22, and the left direction indicator 24 can perform the same operations as those of the helmet 100. Since the auxiliary lighting device 42 can be easily attached to the existing bicycle helmet 300, the same function as that of the helmet 100 can be provided to the bicycle helmet 300 that has already been obtained. The auxiliary lighting device 42 can also contribute to cost reduction similarly to the auxiliary lighting device 40.
  • the auxiliary lighting device 40 shown in FIG. 8 can also be implemented by a mobile phone or a smartphone (neither of which is shown) itself and operating appropriate software there.
  • the screen of the smartphone the screen is oriented horizontally and fixed to the rear surface of the conventional bicycle helmet 300 by appropriate means.
  • the tail light / brake light 4, right direction indicator 22, and left direction indicator 24 are drawn on the screen by a graphic display of dedicated software (application program).
  • the smartphone is equipped with a sensor corresponding to the acceleration sensor 864 of the electric circuit member 8, and also includes a processor that can correspond to the operation control circuit 82. For this reason, the functions of the tail light / brake light 4, the right direction indicator 22, and the left direction indicator 24 can be covered by the smartphone on which the appropriate application program is operated.
  • the drive recorder can record an image of traffic behind by, for example, a movie shooting operation using a camera provided in a smartphone and capable of shooting a person facing the screen. It should be noted that even with a drive recorder that records the rear, for example, most bicycle accidents involve a car approaching from behind, and necessary records can be obtained in many situations.
  • the application program of the smartphone can be linked with a GPS communication unit provided in the smartphone corresponding to the GNSS receiver 88. If the use of a smartphone for the auxiliary lighting device 40 is reflected in the application program, for example, providing information for future inter-vehicle communication using coordinate data from the GPS communication unit Becomes possible. As a result, bicycle traffic can also benefit from traffic facilitation through inter-vehicle communication.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

Afin d'aider un cycliste à signaler un virage et une action similaire et à améliorer la visibilité, la présente invention concerne un casque de bicyclette 100 qui comprend : un capteur inertiel 86 ; un indicateur de virage à droite 22 qui est visible au moins depuis l'arrière ; un indicateur de virage gauche 24 qui est visible au moins depuis l'arrière ; et un circuit de commande de fonctionnement 82 qui est connecté au capteur inertiel, à l'indicateur de virage à droite, et à l'indicateur de virage à gauche et qui commande le début d'une opération de clignotement de l'indicateur de virage à droite ou à gauche en fonction d'un signal de sortie du capteur inertiel. La présente invention concerne également un dispositif d'éclairage auxiliaire qui peut être porté avec un casque classique.
PCT/JP2019/034726 2018-09-11 2019-09-04 Casque de bicyclette et dispositif d'éclairage auxiliaire WO2020054528A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4082879A1 (fr) * 2021-04-29 2022-11-02 MAHLE International GmbH DISPOSITIF Dâ AFFICHAGE POUR UNE BICYCLETTE

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Publication number Priority date Publication date Assignee Title
JPH04136948U (ja) * 1991-06-13 1992-12-21 三菱自動車工業株式会社 自動車用ウインカー作動音発生装置
JP2009159447A (ja) * 2007-12-27 2009-07-16 Toyobo Co Ltd 骨伝導スピーカ付きキャップおよびそれを用いたワイヤレス通信システム
US20130093585A1 (en) * 2011-10-17 2013-04-18 Amar Vimal AMBANI Motorcycle helmet with electronic safety features
KR101553312B1 (ko) * 2014-07-03 2015-09-17 주식회사 한단정보통신 자전거의 방향 지시 장치
WO2016062262A1 (fr) * 2014-10-25 2016-04-28 Cycling Zone Company Limited Équipement de sécurité pour cyclisme
US20170066492A1 (en) * 2015-09-08 2017-03-09 BrakeFree Technologies Safety Device
WO2017051371A1 (fr) * 2015-09-25 2017-03-30 Bailey Anton Aran Casque de sécurité
JP2017138887A (ja) * 2016-02-05 2017-08-10 スズキ株式会社 車線合流時の自動運転継続可否判断装置およびその自動運転継続可否判断方法
WO2018030407A1 (fr) * 2016-08-08 2018-02-15 大同メタル工業株式会社 Véhicule

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04136948U (ja) * 1991-06-13 1992-12-21 三菱自動車工業株式会社 自動車用ウインカー作動音発生装置
JP2009159447A (ja) * 2007-12-27 2009-07-16 Toyobo Co Ltd 骨伝導スピーカ付きキャップおよびそれを用いたワイヤレス通信システム
US20130093585A1 (en) * 2011-10-17 2013-04-18 Amar Vimal AMBANI Motorcycle helmet with electronic safety features
KR101553312B1 (ko) * 2014-07-03 2015-09-17 주식회사 한단정보통신 자전거의 방향 지시 장치
WO2016062262A1 (fr) * 2014-10-25 2016-04-28 Cycling Zone Company Limited Équipement de sécurité pour cyclisme
US20170066492A1 (en) * 2015-09-08 2017-03-09 BrakeFree Technologies Safety Device
WO2017051371A1 (fr) * 2015-09-25 2017-03-30 Bailey Anton Aran Casque de sécurité
JP2017138887A (ja) * 2016-02-05 2017-08-10 スズキ株式会社 車線合流時の自動運転継続可否判断装置およびその自動運転継続可否判断方法
WO2018030407A1 (fr) * 2016-08-08 2018-02-15 大同メタル工業株式会社 Véhicule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4082879A1 (fr) * 2021-04-29 2022-11-02 MAHLE International GmbH DISPOSITIF Dâ AFFICHAGE POUR UNE BICYCLETTE

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