JP2007254937A - Helmet for motorcycle and helmet lighting method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a helmet furnished with a brake light and direction indicating light for motorcycle and having increased visibility from the back and easy wearability without lowering the impact strength. <P>SOLUTION: A light-emitting element is inserted into a hole of a helmet and the surface is covered with a light-diffusing material having diffusing grooves on the surface or an assembled light-emitting element covered with a light-diffusing material is inserted into the hole and fixed. The distance between the insertion holes is set to ≥30 mm. A lighting signal is taken from a position other than the brake pedal, brake handle and direction changing switch of the motorcycle and a light controlling device is placed at a position other than the helmet. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a helmet worn by a motorcycle driver for safety.

  A brake warning or a direction indicator lamp for giving a warning to a succeeding vehicle when the motorcycle performs a brake operation or a direction change operation is installed in the motorcycle itself. In motorcycles, the positions of these lights are usually located below the line of sight of the driver of the following vehicle, so that the visibility for the following vehicle driver is not sufficient. In order to solve this problem, it has been proposed to improve visibility by attaching the brake warning or the like or a direction indicator to a helmet worn by a motorcycle driver.

  As an example of the helmet, Japanese Patent Laid-Open No. 61-160370 describes that the vehicle body and the helmet are connected with an electric wire and the auxiliary brake light on the helmet side is turned on. Japanese Patent Laid-Open No. 3-119103 discloses a helmet with a brake light that wirelessly supplies power. In addition to this, similar techniques are also disclosed in Japanese Utility Model Laid-Open No. 2-78525, Japanese Patent Application Laid-Open No. 2003-260983, practical registration 308102, Japanese Patent Application Laid-Open No. 10-168636, Japanese Utility Model Application Laid-Open No. 4-130987, Japanese Patent Application Laid-Open No. 11-329003, and Japanese Utility Model Application Laid-Open No. 5-19322. Has been.

As light emitters to be lit, a light bulb, a luminescence lamp EL, and a light emitting diode LED are known, but among them, LEDs are excellent in terms of light emission intensity and power consumption, and therefore, Japanese Patent Laid-Open Nos. 10-8319, 10-168636, and 2005. -126879 describes that the LED is a light emitter. Japanese Patent Application Laid-Open No. 2003-227023 describes a method of attaching a thin band or roll as a light emitter to a helmet.
JP-A 61-160370 Japanese Patent Laid-Open No. 3-119103 Japanese Utility Model Publication No. 2-78525 JP 2003-260983 A Utility registration No. 3085102 JP-A-10-168636 Japanese Utility Model Publication No. 4-130987 JP-A-11-329003 Japanese Utility Model Publication No. 5-19322 Japanese Patent Laid-Open No. 10-8319 JP 2005-126879 A JP 2003-227003 A

  However, as a helmet with a brake light, in the above-mentioned known examples, there are still some problems as shown below, and what is sufficiently satisfactory for practical use has not been obtained.

  There are several problems in making a helmet equipped with a brake light or a brake light and a direction light sufficiently to withstand practical use. Among the above-mentioned known light-emitting bodies, the light-emitting diode LED is most preferable in terms of brightness and small size, but the LED that can be obtained in large quantities at a low price has a diameter of 3 or 5 mm and does not necessarily have a large light-emitting area and has visibility from the rear. Not enough. Therefore, it is necessary to enlarge the substantial light emitting area when using the LED. Furthermore, since the surface of the LED lamp is brittle glass, it is practically preferable to protect it with some member.

  In addition, regarding the attachment of the light emitter to the helmet, it is necessary to devise such that the light emitter does not fall off due to vibration or the like. In this respect, as described in detail below, a method of providing a hole in the helmet adopted by the present invention and inserting and fixing a light emitter in the hole is preferable. In this case, however, the helmet is resistant to an emergency impact such as a fall. Since the strength tends to decrease, how to ensure the strength is a problem.

  Furthermore, it is an issue that must be solved from which part of the motorcycle the lighting signal for lighting the brake and the direction indicator lamp is taken out, and at which position the lighting controller is attached. The position or position is preferably a position where it can be easily attached without significant modification of the motorcycle. Furthermore, for example, if the lighting controller is to be installed in the space inside the helmet, it will be difficult to realize. In any of the above known examples, it is described that the signal is extracted only from the vehicle body, and the optimum and specific part is not currently specified. As an example of the lighting controller, Japanese Patent Laid-Open No. 11-329003 has an example in which it is mounted on the outside of the helmet, but there are drawbacks such as a heavy helmet. Therefore, the present invention solves these problems, has good visibility from the driver of the following vehicle, does not drop off due to vibration, can secure the strength against impact, and does not require a major remodeling operation. It is intended to provide a technology capable of detecting a signal indicating that a warning has been made and lighting a brake light or a direction indicator light of a helmet.

  In order to solve the above-described problems, the present invention is characterized in that a light emitter is inserted into a hole provided in a helmet, and the light emitter is covered with a member capable of diffusing light and simultaneously protecting the light emitter. There are two configurations, a method of inserting and fixing a light emitting assembly in which a light emitter and a light diffusing material are pre-assembled into the hole, and a method of inserting and fixing only the light emitter and covering the upper portion of the light emitter with a light diffusing material. There is a way. This makes it possible to realize a lamp with good visibility without causing dropout due to vibration.

  As described above, the present invention is characterized in that the interval between the holes is set to 25 mm or more in order to ensure the strength against the impact of the helmet when the holes are provided in the helmet.

  Further, by selecting a position for detecting a brake operation or a direction change operation as a position other than a brake pedal, a brake handle, or a direction change switch of the motorcycle, the motorcycle can be slightly modified. In addition, the lighting controller for lighting the light emitter on the helmet side is installed not on the helmet side but on the motorcycle side. Details of the technology are described below.

  According to the technology of the present invention, the visibility of the brake light and the direction indicator light attached to the helmet is enhanced from behind, and at the same time, these lights can be firmly attached to the helmet without impairing the strength of the helmet, and the motorcycle. Therefore, it is possible to detect a signal for lighting a light emitter and to install a lighting controller without requiring a significant modification of the above, and thus the adoption of the helmet is widened.

  Next, the present invention will be specifically described below. FIG. 1 is a diagram showing the overall configuration of the present invention, in which 1 is a motorcycle, 2 is a driver's seat, 3 is a cover at the rear of the driver's seat, and 4 and 5 are brake lights and direction indicators that are attached to the rear of the vehicle body. , 6 is a helmet, 7 and 8 are brake lights and direction indicator lights attached to the helmet, 9 is a case of wired transmission as an example, and an electric wire for lighting the light emitter of the helmet with a lighting signal from the motorcycle body It is. The power for lighting the light emitter can be supplied from a motorcycle body or a battery built in a helmet (not shown). The driver's seat 2 and the cover 3 are often provided integrally, but may be independent.

  FIG. 2 shows a state in which the cover 3 at the rear of the driver's seat, which is widely used, is opened. Under the cover 3, an in-vehicle battery 10, a brake, an electric wire 11 for transmitting a direction instruction signal, a brake light 4, and a direction. It is a wiring relay connection part 12 for connecting the indicator lamp 5. Terminals 13a and 13b for fixing electric wires are built in the wiring relay connection portion. As will be described later, detection of a signal for turning on a brake lamp and a direction indicator lamp using the terminal will be described as a most preferable example later.

  As an example, a light emitter 21 is attached to the helmet 20 as shown in FIG. 3 in order to light the light emitter provided in the helmet through a lighting signal transmitted to the helmet. A battery 22 can also be built in the helmet. When this configuration is adopted, the battery 22 can be placed in the gap between the outer material of the helmet and the flexible material that absorbs the impact on the head, so that the storage of these parts affects the strength of the outer material of the helmet. Absent. In addition, when supplying electric power from a motorcycle main body by wire, installation of the battery 22 to a helmet can be abbreviate | omitted.

  In the configuration of FIG. 3, the lighting controller 23 is disposed on the motorcycle side as will be described later, and it is not necessary to store the lighting controller having a relatively large volume in the helmet. Instead, the connection terminal 23 is required, but this is smaller than the lighting controller and does not particularly hinder the construction of the helmet.

  FIG. 4 is an example of component arrangement in a helmet when a lighting signal is transmitted wirelessly. A battery 22 and a light emitter 21 are provided in the helmet 20. The lighting signal 26 is transmitted from a lighting controller housed in a cover (not shown) behind the two-wheeled vehicle driver, received by the receiver 26 in the helmet, and turned on via the control circuit 24. As a configuration for receiving a signal wirelessly, a configuration as disclosed in JP-A-6-57511 and JP-A-10-168636 can be applied. It is also possible to transmit and receive with an optical signal as disclosed in JP-A-2000-227023. In this way, there is a method of transmitting a lighting signal by wire or wireless, and power supply from a wired supply from a motorcycle or a battery built in a helmet, but in the present invention, which is adopted is not limited. .

  The light emitter is inserted and fixed in a hole provided in the helmet. The hole may be formed in advance so that a hole is provided, or may be provided by processing after forming. As the light emitting material to be inserted into the hole, a light emitting assembly in which the light emitting member and the light diffusing member are integrated may be inserted, or the light diffusing member may be attached so as to cover the light emitting member after the light emitting member is inserted and fixed. As the light emitter, a light emitting diode LED can be used in addition to a light bulb and a luminescence element. In particular, an LED is preferable because it has high luminance and low power consumption. For this LED, a suitable one may be selected from known commercial specifications in consideration of necessary luminance, size, shape and the like. Currently, specifications that are available in large quantities and at low cost are specifications with diameters of 3 mm and 5 mm, and it is practical to use these, but there is no problem if there are other specifications that are easy to use.

  FIG. 5 shows an example in which a light emitting assembly in which a light emitting body 30 and a light diffusing body 31 are assembled in advance is inserted into a hole of a helmet and then an adhesive 32 is introduced into the gap and fixed. This adhesive is not particularly limited because various adhesives such as epoxy can be used.

  FIG. 6 is an enlarged view of the light-emitting assembly when an LED is used as a preferred light-emitting body. A light diffusing material 42 is disposed on the LED 41. The shielding material 43 is disposed on the side surface of the LED, and a known adhesive is injected into the space between the LED, the light diffusing material, and the shielding material to fix the whole. In this example, the case of three LEDs (41a, 41b, 41c) is shown, but the number of necessary LEDs is determined by the necessary luminance, the size of the LEDs, and the current value. For example, when the LED has a diameter of about 5 mm, even a single LED can be visually recognized from behind the motorcycle. When the diameter becomes about 3 mm, the visibility can be further improved by arranging three.

  In FIG. 7, after the light emitter 41 is inserted into the hole 30 of the helmet, alignment is performed, and then the LED surface is covered with the light diffusing material 42, and the gap between the helmet outer material, the LED, and the light diffusing material is fixed with an adhesive. This is an example. In FIG. 7, the light diffusing material 42 protrudes from the outer material of the helmet by a distance x, but it may be attached so that the light diffusing material is flush with the outer material of the helmet. The distance x protruding from the outer material may be selected in consideration of further improvement in visibility and fashionability.

  As the light diffusion material, glass, resin, or LED diffusion sheet can be used. Among them, the LED diffusion sheet widely used as the LED diffusion plate and the light diffusion plate of the liquid crystal device can diffuse light uniformly over the entire surface and is suitable for expanding the substantial light emitting area of the LED. It is effective in improving the sex. In addition, the diffusing material expands a substantial light emitting area to improve visibility, and also has a role of protecting the LED element from rainwater and wind.

  As the glass, resin, and LED diffusion sheet, those having a capability of diffusing light by providing depressions on the surface thereof can be used. In the case of glass, a minute depression becomes expensive, and a depression having a depth of about several hundred microns to 1 mm is realistic. In the case of resin, shallower depressions are possible, which is preferable. Among them, the LED diffusion sheet in which many depressions of several microns to several hundreds of microns are formed on the surface of sheet-like polycarbonate, polystyrene, etc. has an overall thickness of several millimeters or less, especially the thinnest one is about 200 microns, light Those having a transmittance of 98% are also preferred because they are readily available. By using these light diffusing materials, the light of the LED having a narrow emission area light can be diffused, the substantial lighting area can be enlarged, and the visibility can be improved.

  Various arrangements of the light emitters can be adopted for the helmet, but it is important to avoid a reduction in the strength of the helmet, which is likely to occur because a hole is provided in the helmet. When an impact or mechanical force is applied to the helmet in an unforeseen situation such as an accident, the design needs to be devised if there are multiple holes in the helmet. Especially in the case of a helmet, since protection of the head is important, it is important to maintain the strength of the helmet against an impact applied from the upper end of the helmet toward the lower part. In other words, the strength against the impact applied in the vertical direction of the helmet must be secured. In addition, the lower part of the helmet is perforated so that it can pass through the head, so it is vulnerable to impact from the side.

  However, as a result of investigation, it has been found that when a single light emitter provided in the helmet is inserted, if the distance between the holes is kept at 30 mm or more, there is no significant decrease in strength. In addition, for the purpose of expanding the light emitting area of the light emitter, a plurality of light emitters are used as described later, or even a single light emitter is inserted with a light emitting assembly with a larger light diffusion material covering the light emitter. Even in such a case, it was found that if the interval of 30 mm or more was maintained, no significant decrease in strength was observed. These points are further described below.

  FIG. 8 shows an example in which one LED as a brake light, for example, is inserted into and fixed to three holes 51a, 51b, 51c in the hole of the helmet 20. Similarly, a total of four direction indicator lights are arranged in each of the holes 52a, 52b, 52c, and 52d. These seven holes have a diameter of 10 mm or less. When an LED with a diameter of 5 mm is used, the hole diameter is about 7 mm and the LED can be sufficiently inserted. The holes 51a, 51b, 51c are all arranged with an interval of 25 mm or more. Similarly, the direction indicator lamps are set to be 25 mm or more between 51a and 51b and between 51b and 51c. Further, the upper three holes and the lower four holes are also kept at an interval of 25 mm or more. As described above, in the case of a single LED, if the distance between the holes is maintained at 25 mm or more, the strength of the helmet does not decrease. In the case of a brake light, for example, a system in which the lamp is constantly lit and strongly lit when the brake is operated may be employed. When using an LED, it is practical to set the lighting current to 6 mA at all times and 20 mA during brake operation. In addition, although the example which attaches a brake light and a direction indicator light was shown in FIG. 8, all LED may be a brake light.

  FIG. 9 shows another embodiment in which a vertically long light emitting assembly 63 is inserted into the hole 61 and horizontally long light emitting assemblies 64a and 64b are inserted and fixed in the holes 62a and 62b in order to enlarge the substantial light emitting area of the LED. It is. The vertical light emitting assembly can serve as a red display brake light by using a red LED and / or a red diffuser. Similarly, the horizontally long light emitting assembly functions as a turn signal lamp by adopting yellow. The vertically and horizontally elongated light emitting assemblies may increase the number of LEDs, or the length of the light diffusing material may be increased by one LED, but the former is preferable because the emission intensity is stronger. Since the purpose of the hole size is to increase the light emitting area, a larger longitudinal direction of 20 mm or more than that of the single LED is employed. In FIG. 9, the distance L1 between the hole 61 and the hole 62 when viewed in the vertical direction of the helmet is set to 25 mm or more. Similarly, when viewed in the horizontal direction, the distance L2 between 62a and 62b is kept at 25 mm or more. If such a design is performed, the strength is not lowered.

  In FIG. 10 shown as still another embodiment, the red light emitting assembly 63 is inserted and fixed in a hole having a horizontally long length X1. In order to further improve the visibility of the horizontally long hole, it is preferable that the length X1 is expanded to 20 mm or more and about 150 mm at maximum, and a plurality of LEDs are arranged. 64a and 64b are yellow direction indicator lamps, and their lengths are selected in the same manner as the brake lights. The distance between the holes is designed so that both L3 and L4 are 25 mm or more as in the above example.

  In the above example, the relationship between the brake light and the direction indicator light has been described. However, when a plurality of brake lights are provided, there is a similar relationship between the plurality of brake lights. A configuration in which a plurality of red brake lights and direction indicator lights are attached to further improve the visibility is also an object of the present invention.

  Next, the position where the lighting signal is extracted will be described. In order to turn on the brake light and direction indicator light attached to the helmet in conjunction with the lighting of the motorcycle body light, pull out a lighting signal from any position of the motorcycle body lighting instruction system, and place it on the helmet side I need to tell. As the position, for example, the brake pedal, the brake handle, and the vicinity of the direction change switch provided on the handle part can be considered, but the handle part has a high-density electrical system, and another connection part is provided here. It leads to remarkable remodeling and is not preferable. Similarly, it is not preferable when it is provided around the brake pedal.

  Therefore, the present invention is characterized in that a lighting signal is extracted from the position of the motorcycle other than the brake pedal, the brake handle, and the handle portion. In this case, no significant modification of the motorcycle is necessary. The pull-out position is from the middle of the wiring for transmitting the brake and the direction indication signal, and the position can be extended from anywhere without significant modification. For example, it may be from the position of the brake light at the rear of the motorcycle body. In particular, using the connection terminal of the connection section provided under the cover behind the driver's seat (which often serves as the seat for the normal driver's seat), the lighting controller described below can be easily extracted. It is most preferable in combination with the fact that it can be arranged around the connection portion.

  FIG. 11 shows the details. There is a relatively large space 60 in the lower part where the cover 3 behind the driver's seat is opened. The lighting signals of the brake light and the direction indicator lamp from the two-wheeled vehicle body are transmitted to the rear brake lamp 4 and the direction indicator lamp 5 through the wiring 11 and the wiring relay connection portion 12. Therefore, it is possible to easily draw a signal by drawing a lighting signal from the connection terminals 13a and 13b in the wiring relay portion. For the signal detection, the method of detecting the voltage applied to the wiring 11 is the simplest, but the method of detecting the current may also be used.

  Further, the lighting controller for controlling the lighting of the LED may be installed between any one of the helmets, for example, between the outer material of the helmet and the shock absorbing material, but more preferably by installing it at a position other than the helmet. Is easier to manufacture. The position may be a position carried by the driver or may be in the motorcycle body. Preferably, as shown in FIG. 11, there is a space margin in using the space 60 in the lower cover 60 and arranging the space 60 in the space. The lighting controller includes a signal processing circuit and a lighting circuit, and a known technique can be applied.

  When the lighting signal is transmitted to the helmet side by wire, the arrangement of the transmission line does not have much trouble. It is sufficient to select an appropriate route having a sufficient space from the signal extraction unit. When placing the lighting controller in the space under the cover as described above, it is easy to provide a narrow hole through which the transmission line passes in either the cover body or the lower part of the cover so as not to affect other functions. Transmission is possible. Similarly, when a lighting signal is transmitted wirelessly, the signal is drawn out from the terminals 13a and 13b. If the lighting controller 14 and a transmitter (not shown) are provided on the motorcycle side and the receiver is provided on the helmet side, the helmet side lights up. I can do it. Needless to say, in this case, the transmitter can be stored in the lower part of the cover.

  A 7 mm diameter circular and vertically long 5 × 15 mm hole was processed in a commercially available helmet, and a light emitting assembly or light emitting body was inserted into the hole. The light emitter to be inserted into the hole with a diameter of 7 mm uses a white LED with a diameter of 5 mm, and after being inserted into the hole with a diameter of 7 mm, the LED is covered with yellow glass having a wave surface provided with a number of depressions on the helmet surface side, The gap between the helmet outer material and the yellow glass was fixed with an adhesive (trade name: epoxy putty). The light emitting assembly to be inserted into the hole of 5 × 15 mm connects three red LEDs having a glass tube diameter of 3 mm, and is fixed with the above adhesive so that the three connections do not shift. A diffusion sheet having a thickness of 140 microns and a light transmittance of 99% was obtained by fixing the diffusion sheet from the applied side surface with the adhesive. After inserting the light emitting assembly, the gap was fixed with the above adhesive to obtain a helmet.

  The configuration of the hole portion of the helmet is as shown in FIG. 8, and the left and right sides of the lower portion of the helmet are holes with a diameter of 7 mm, and white LED with white glass is inserted into the hole portion. Three red LED light-emitting assemblies were arranged in a hole with a center length of 5 × 15 mm. In these three holes, the distance between the yellow lamps in the horizontal direction was 50 mm, and the distance between the red and yellow lamps in the vertical direction was 50 mm.

  The lighting signal was taken out from the terminal 13 under the cover shown in FIG. A lighting controller that detects the voltage and turns on the LED when a voltage is applied to the terminal is disposed under the cover. Moreover, the battery pack which connected 1.5V Li battery 3 in series for LED lighting power was installed in the space in a cover. In the space 60 under the cover of the 250 cc motorcycle used in the experiment, it was possible to store these lighting controllers in a battery pack. A signal and electric power to be transmitted to the LED were made by opening a hole in the resin case beside the cover and drawing it out with an electric wire.

  When the brake was operated on the helmet thus obtained, the brake light on the helmet side was turned on at a current value of 20 mA, and the visibility from the rear was confirmed, it was possible to detect red from 180 m behind the cloudy sky. Moreover, when the direction indication operation was performed and the visibility of the yellow light was confirmed in the same manner, it was confirmed from 160 m behind. Further, when the helmet was dropped from a height of 20 m and tested, no crack occurred in the helmet.

  The light diffusing sheet of Example 1 for LED is pasted on a 50 mm-long connecting body in which four red LEDs having a diameter of 5 mm are connected, and the light-emitting assembly is attached to a hole having a length of 55 mm in the horizontal direction of the helmet. Inserted and fixed. Similarly, a illuminator in which four white LEDs having a diameter of 5 mm are connected as a direction indicator lamp, the connected illuminant is inserted into a hole having a length of 40 mm in the helmet horizontal direction, and the surface is covered with the same glass as in Example 1. It was.

  The holes for red light and yellow light are arranged as shown in FIG. That is, X1 = 55 mm and X2 = X3 = 40 mm. The distance between the red and yellow holes was set to the horizontal direction L3 = 45 mm and the vertical direction L4 = 50 mm. The extraction of the lighting signal and the arrangement of the lighting controller are the same as in the first embodiment. When a lighting test was actually performed at a current value of 20 mA, it was possible to recognize both the red and yellow lights from at least 250 m behind under clear sky. In the drop test, cracks that were difficult to identify with the naked eye were produced at the corners of the red hole, and there were no practical problems. As a comparative example, when L4 was set to 25 mm, there was a great concern that a crack in the corner of the hole for yellow light was recognized and a problem was caused in practical use.

  The helmet with brake light and direction indicator light according to the present invention can be easily installed and mounted for motorcycles and drivers, and since it has excellent visibility from the rear without losing the strength against the impact of the helmet, it is increasingly adopted and safer. There is a great expectation for the promotion.

Overall view showing the relationship between a motorcycle and a helmet in the present invention Diagram showing the structure of the lower part of the cover behind the driver's seat that has already been widely adopted The figure which shows the outline of the helmet with a brake light of this invention The figure which shows the structure of the helmet in the wireless transmission system as an example of this invention. The figure which shows the relationship between the light emission assembly in the helmet of this invention, and the hole part which inserts them. Schematic which shows the structure of the light emission assembly at the time of using LED in this invention. The figure which shows the structure of the light-diffusion body which inserts the light-emitting body in this invention, and covers a light-emitting body The figure which shows the positional relationship of the hole which inserts the light-emitting body in one Example of this invention, and a light-emitting assembly. The figure which shows the positional relationship of the hole which inserts a light-emitting body and a light-emitting assembly as another Example of this invention. The figure which shows the positional relationship of the hole which inserts a light-emitting body and a light-emitting assembly as another Example of this invention. The figure which shows the example of arrangement | positioning of the drawing-out of the lighting signal to the helmet in this invention, and a lighting controller

Explanation of symbols

1 motorcycle, 3 cover, 4 brake light of motorcycle,
5 Direction indicator lights for motorcycles, 6 helmets, 7 brake lights for helmets,
8 Helmet direction indicator light, 9 Signal transmission line,
13a, 13b The terminal of the wiring relay connection part of the motorcycle body,
21 luminous body, 30 hole part, 41 LED, 42 light diffusing material, 44 adhesive agent,
51, 52 Insertion hole, L1, L2, L3, L4
X1, X2, X3 Hole length

Claims (13)

  A light-emitting assembly comprising a brake light or a helmet to which a brake light and a direction indicator light are attached, the light-emitting assembly comprising a light-emitting body in a hole provided in the helmet and a groove for diffusing light on the surface covering the light-emitting body A motorcycle helmet characterized by inserting and fixing a body.   A light diffusion member provided with a brake light or a helmet to which a brake light and a direction indicator light are attached, and a groove for diffusing light on the surface of the light emitter after the light emitter is inserted and fixed in a hole provided in the helmet Motorcycle helmet characterized by covering with.   The motorcycle helmet according to claim 1 or 2, wherein the light diffusing member is glass or resin.   The motorcycle helmet according to claim 1 or 2, wherein the light diffusing member is a diffusion sheet for LED that diffuses point-like light in a plane.   The motorcycle helmet according to any one of claims 1 to 3, wherein the distance between the holes is 25 mm or more.   6. The motorcycle helmet according to claim 5, wherein the light-emitting body or the light-emitting assembly is a plurality of light-emitting bodies that display the same color.   6. The motorcycle helmet according to claim 5, wherein the light emitting body or the light emitting assembly displays different colors.   6. The motorcycle helmet according to claim 5, wherein the light-emitting body or the light-emitting assembly is a brake light and a direction indicator light of different colors.   The motorcycle helmet according to any one of claims 5 to 8, wherein a lighting signal for turning on a brake light and a direction indicator lamp on the helmet side is drawn out from a position other than a brake pedal, a brake handle, or a direction change switch.   6. A lighting signal for turning on a brake light and a direction indicator light on a helmet side is drawn out from a middle of a wiring for transmitting a lighting signal to a brake light or a direction indicator light located behind the motorcycle body. Item 9. A motorcycle helmet and a helmet lighting method according to Item 8.   The motorcycle according to any one of claims 5 to 8, wherein a lighting signal for turning on a brake light and a direction indicator light on a helmet side is drawn out from a wiring relay connection portion located at a lower part of a cover behind a driver seat of the motorcycle. Helmet and helmet lighting method.   12. The motorcycle helmet and helmet lighting method according to claim 5, wherein a lighting controller for lighting a light emitter on the helmet side is installed on the motorcycle side.   The motorcycle helmet and helmet according to any one of claims 5 to 11, wherein a lighting controller for lighting a light emitter on the helmet side is installed in a space located below a cover behind a motorcycle driver's seat. Lighting method.

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