JP3259289B2 - Helmet with display - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display for displaying information (speed information, fuel information, etc.) required by an operator of a motorcycle or an aircraft (including a rotary wing aircraft, a hang glider, etc.) for operation. The present invention relates to a helmet with a display having a display.

[0002]

2. Description of the Related Art Conventionally, for example, when a motorcycle driver wants to know information necessary for steering (speed information or fuel information, etc.), it was necessary to look at a speed meter or a fuel meter attached to a steering handle. . However, it is necessary to gaze ahead while the motorcycle is running, but it is dangerous to look at the meters while turning the line of sight from the front during such running.

Conventionally, as disclosed in Japanese Utility Model Laid-Open No. 3-52771, a display capable of superimposing and displaying various kinds of information on the external scene in front of a motorcycle driver is provided. Helmets with displays for motorcycles have been proposed.

In the helmet with a display for a motorcycle described in Japanese Utility Model Laid-Open Publication No. 3-52771, the information light emitting device is fixed to a shell outer surface of the helmet. If such a helmet with a display is worn, the driver does not have to look away from the outside world and look at the instruments, so that an unexpected accident that occurs while the driver is looking away from the outside world can be prevented.

[0005]

However, in the motorcycle helmet with a display described in Japanese Utility Model Laid-Open Publication No. 3-52771, a large projection (information projection device) is provided outside the helmet shell. ,
The large protrusions were more likely to contact or collide with other objects. In addition, when a helmet whose information projection device protrudes outside the shell is worn by a driver such as a motorcycle or a hang glider running at high speed, there is a problem that the air resistance is large and the sound of cutting off the wind (noise) is large. there were. In addition, the conventional helmet has a problem in that the shell (outer shell) has a single structure, so that the impact resistance is low and the head cannot be sufficiently protected.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a helmet with a display that does not have a large protrusion on the outside of the shell and can sufficiently protect the head from the impact at the time of collision. And

[0007]

Next, the present invention devised to solve the above-mentioned problems will be described. Elements of the present invention are used to facilitate correspondence with elements of the embodiments described later. , The reference numerals of the elements in the embodiments are enclosed in parentheses. The reason for describing the present invention in correspondence with the reference numerals of the embodiments described below is to facilitate understanding of the present invention,
It is not to limit the scope of the invention to the examples. In order to solve the above-mentioned problem, a helmet with a display according to the present invention includes an inner shell (9) having an inner surface provided with a cushioning material (8), and a cushioning material (1) provided on an outer surface of the inner shell (9).
0) and said inner shell (9)
Outer shell (11) having lower strength, optical information display means (D, D ') for displaying information, and information display light (L) emitted from the optical information display means (D, D'). And an optical member (A, A ') for projecting light in a predetermined direction, and an information projecting device (K) provided in a space (S) between the inner shell (9) and the outer shell (11). , K ')
A light beam (J) from the outside is transmitted from the front to the back so that the driver can visually recognize a scene of the outside world in front of the driver P, and the information projector (K) is provided. ), And a combiner (14, 14 ′) that reflects or diffracts the information display light (L) projected from the driver (P) in a direction that can be visually recognized by the driver (P).

[0008]

According to the helmet with a display of the present invention having the above-described structure, the inner shell (9) having the cushioning material (8) attached to the inner surface thereof and the cushioning material (10) arranged on the outer surface of the inner shell (9) are provided. An outer shell (11) supported through the outer shell and having a lower strength than the inner shell (9);
Utilizing the space (S) between the inner shell (9) and the outer shell (11), information corresponding to the display signal output from the display signal output means (U) is displayed in the space (S). Optical information display means (D, D ') and an optical member (A, A') for projecting information display light (L) emitted from the optical information display means (D, D ') in a predetermined direction. ), The outer shell (11) is first deformed and the information projector (K, K ') is deformed when an impact is applied to the helmet. ') Is broken, and the impact on the inner shell (9) can be reduced. Further, since the information projector (K, K ') is protected by the two shells (9) and (11), there is no fear of damage. Further, since no large projection (information projection device) is provided outside the outer shell 11 of the helmet, there is little possibility of contact or catching with other objects,
Furthermore, even if the air speed becomes large, the air resistance is small and the sound of cutting off the wind (noise) is small. Further, the helmet with a display of the present invention includes the information light emitting device (K,
K ′) and a combiner (14, 14 ′) that reflects or diffracts the information display light (L) emitted from the information light projecting device (K, K ′) in a direction that the driver (P) can visually recognize. Therefore, the driver (P) does not have to look away from the outside world to look at the instruments, so that it is possible to prevent an unexpected accident occurring while the driver (P) is looking away from the outside world.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. First, a first embodiment of the present invention will be described with reference to FIGS. The motorcycle B shown in FIG. 1 is provided with a transmission type liquid crystal display panel 1 for displaying speed at the center of the steering wheel B1, and a light source for illumination and a reflection mirror (not shown) are arranged on the back of the liquid crystal display panel 1. Have been. The vehicle body side connector 2 is mounted on the driver seat B2 of the motorcycle B. The vehicle body side connector 2 and the liquid crystal display panel 1 are connected to a display signal output means U. The display signal output means U includes a pulse counter to which a rotation pulse of the wheel is input, a converter for converting a speed signal of the motorcycle B output from the pulse counter into a display signal,
An LCD driver that outputs a liquid crystal drive signal in response to an input signal from the converter, and an encoder that outputs a signal (for example, a binary serial signal) suitable for transmission in response to the input signal from the converter (Not shown).

The helmet H worn by the driver P is equipped with an information light emitting device K described later. This information projector K is connected to a display signal transmission cable C,
The helmet connector 3 is connected to the distal end of the display signal transmission cable C. The helmet-side connector 3 is configured to be detachable from the vehicle-body-side connector 2, and the helmet-side connector 3 and the vehicle-body-side connector 2 constitute a connector 4.

The driver P wears a belt-shaped accessory 7 composed of a waist belt 5 worn around the waist and a cross belt 6 connected to the waist belt 5. The signal transmission cable C is sewn and fixed to the cross belt 6. Signal transmission cable C
Although the part from the waist of the pilot to the connector 4 can be separated from the body of the pilot, the length of the part is short.

In FIGS. 2 and 3, the helmet H is
Inner shell 9 provided with thin cushioning material 8 on the inner surface side
And an outer shell 11 provided outside the inner shell 9 via a cushioning material 10. The inner shell 9 is formed using a high-strength resin such as polycarbonate reinforced with glass fiber, and the outer shell 11 is formed using a lightweight and easily deformable resin such as polypropylene. . The cushioning material 1
0 is formed by using a resin having high elasticity such as urethane.

The helmet H has a visor 14 functioning as a combiner.
2 and a storage position (not shown) rotated upward in FIG. 2 so as to be rotatable.

The information light projecting device K is disposed in the upper front portion of the space S between the inner shell 9 and the outer shell 11 of the helmet H. This information projector K is
A case 15 is provided which is divided into two parts as it goes downward. An information display device D is arranged inside the case 15. The information display device D is composed of a pair of left and right transmissive liquid crystal display panels D1, D1, and a single light source D2 for illumination, which is disposed behind the liquid crystal display panels D1, D1. Further, the information light projecting device K includes a pair of left and right optical members A for projecting the information display light L displayed on the respective transmissive liquid crystal display panels D1 in predetermined directions. Each of the optical members A is
It comprises a concave lens A1, a prism A2 and a convex lens A3. The information projection device K includes the case 15,
It comprises an information display device D and an optical member A. The information light projecting device K is arranged such that the information display light L emitted from the pair of left and right transmissive liquid crystal display panels D1 enters the visor 14.

The visor 14 reflects a part of the pair of left and right information display lights L emitted from the information light projecting device K in the directions of the left and right eyes of the pilot (helmet wearer) and transmits the rest. Are arranged as follows. The visor 14 is arranged to transmit part of the external light J emitted from the external scene in the directions of the left and right eyes of the driver (helmet wearer) and reflect the rest.

Next, the operation of the first embodiment of the present invention having the above configuration will be described. A light beam (external light) J that has traveled toward the visor 14 from the outside on the left side in FIG.
A part of the light is reflected by the visor 14 to the outside world, and the remaining part passes through the visor 14 and travels straight to reach the driver P's eyes. Thereby, the driver P can visually recognize the external scene as it is. On the other hand, the information display light L emitted from the transmissive liquid crystal display panel D1 of the information light projecting device K passes through the optical member A and enters the visor. Then, a part of the information display light L incident on the visor 14 passes through the visor 14 and exits to the outside world, but the rest reflects and reaches the driver P's eyes. Thereby, the driver P can visually recognize the information display light L together with the external scene.

Incidentally, the inner shell 9 is formed using a resin having high strength, the outer shell 11 is formed using a resin that is easily deformed, and the information light projecting device K is provided with both of these. It is provided in the upper front part of the space S formed between the shells 9 and 11. Therefore, even in the event that the motorcycle collides with another vehicle or the like and a large impact is applied to the front upper portion of the helmet H, the impact may cause the outer shell 11 to be deformed and the information light emitting device to be used. K is absorbed by crushing. . Therefore, the impact applied to the inner shell 9 is reduced, and the driver P
The head is protected. Further, since the information light projecting device K is disposed between the two shells 9 and 11 and protected, no impact force is directly applied to the information light projecting device K, but an impact force is applied to the outer shell 11. Even in this case, there is no damage if the impact force is relatively small. In addition, since the helmet H of the present embodiment has a double structure of the inner shell 9 and the outer shell 11, it is possible to prevent the temperature of the head from rising due to direct sunlight or the temperature from decreasing due to rain, etc. An effect can also be provided.

Next, a second embodiment of the present invention will be described with reference to FIG. In the second embodiment, the information projector K 'is connected to the inner shell 9 and the outer shell 11 of the helmet.
, The information display device of the information projection device K 'is constituted by a CRT display tube D', and the optical member is a concave lens A1 'and a mirror A2. And the convex lens A3 ', and that the combiner 14' is used alone without also serving as a visor. That is, as shown in FIG. 4, a pair of left and right cases 15 ', 15' is provided in a space S between the inner shell 9 and the outer shell 11 at the front of the helmet. Each case 15 '
In each of them, a CRT display tube D 'connected to a display signal transmission cable C and an optical member A' including a concave lens A1 ', a mirror A2' and a convex lens A3 'are arranged. A combiner 1 is provided at one end of each case 15 '.
4 'is attached. In the second embodiment, as in the first embodiment, the driver P can visually recognize the information display light L together with the external scene. Further, the impact force applied to the helmet can be absorbed by the deformation of the outer shell and the damage of the information projection device K.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments, and various design changes can be made without departing from the present invention described in the appended claims. It is possible to do. For example, the information light projecting device K and the cushioning material 10 may be fixed to the outer shell 11 in advance to form a unit, and the unitized unit may be detachably fixed to the inner shell 9. is there. With this configuration, the information light projecting device K can be easily mounted on a commercially available helmet, so that the cost of the helmet with a display can be reduced. In the second embodiment, it is also possible to use a wireless signal transmission means for transmitting a display signal transmitted from the display signal output means U to the CRT display tube D '. In this case, the display signal transmission cable C, the connector 4 and the like become unnecessary, so that it is possible to save the labor of connecting them when the helmet is used. Further, the space between the inner shell 9 and the outer shell 11 can be filled with an elastic sphere filled with a gaseous substance, styrene foam, or the like.

[0020]

As described above, the helmet with a display of the present invention has an inner shell with a cushioning material attached to the inner surface, and is supported on the outer surface of the inner shell with the cushioning material interposed therebetween, and has a smaller height than the inner shell. An optical information display comprising an outer shell having a low strength, wherein information corresponding to a display signal output from a display signal output unit is displayed in the space using the space between the inner shell and the outer shell. Means and an optical member for projecting the information display light emitted from the optical information display means in a predetermined direction, so that when an impact is applied to the helmet, As the shell is deformed, the information projection device is broken and the impact on the inner shell can be reduced, and thus the head of the helmet wearer can be sufficiently protected. Further, since the information projector is protected by the inner shell and the outer shell, there is no fear of damage.

[Brief description of the drawings]

FIG. 1 is a diagram showing a motorcycle driver wearing a helmet with a display of the present invention.

FIG. 2 is a longitudinal sectional view of a first embodiment of the helmet with a display of the present invention.

FIG. 3 is a sectional view taken along the line III-III of FIG. 2;

FIG. 4 is a cross-sectional view of a helmet with a display according to a second embodiment of the present invention. A, A ': optical member, D, D': information display device, K,
K ': information projection device, L: information display light, J: external light beam,
P: driver, S: space, U: display signal output means, 8: cushioning material, 9: inner shell, 10: cushioning material, 11: outer shell, 14, 14 ': visor (combiner)

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) B62J 39/00 B64D 45/08 G02B 27/02 B60K 35/00

Claims (1)

(57) [Claims] An inner shell having a buffer material attached to an inner surface thereof, an outer shell supported by an outer surface of the inner shell via a buffer material and having a lower strength than the inner shell, and an optical element for displaying information. Information display means and an optical member for projecting information display light emitted from the optical information display means in a predetermined direction, and an information projection device provided in a space between the inner shell and the outer shell; , Provided to be inclined in front of the driver, transmitting light rays from the outside to the rear from the front so that the driver can visually recognize the scene of the outside in front, and displaying information projected from the information light emitting device. A helmet with a display, comprising: a combiner that reflects or diffracts light in a direction that a driver can visually recognize.