Patent Grant
11559099
This application is a national stage application of international application no. PCT/EP2019/063825 filed May 28, 2019, entitled “Protective Helmet,” claiming priority under 35 U.S.C. § 119(a)-(d) to German application no. DE 10 2018 004 314.3 filed May 30, 2018, which are hereby expressly incorporated by reference as part of the present disclosure.
The present disclosure relates to a protective helmet, such as a motorcycle protective helmet.
In the field of passenger cars, head-up displays are increasingly being used as display systems. These make it possible to project different information about the operating state of the vehicle or else also graphics, such as arrows, bars or the like, as direction or route data for a navigation application, into the viewing field of the driver. In this manner, not only can route information be overlaid on the environment, which facilitates the assignment of route information to the possible routes in the environment, rather it is also made possible for the driver of the vehicle to detect much other information without changing their field of view, that is to say without turning their viewing direction away from the environment, for example downwards.
Recently, head-up displays have also been developed for motorcycle riders. In this case, the requirements for placing the corresponding devices are obviously very different from in the case of a passenger car.
A protective helmet with a display device constructed as a head-up display is known from the prior art and specifically from US 2015/0338659 A1. In this case, this display device may, in a first variant, be fastened externally on the protective helmet in the region of the viewing opening, so that the optical module with the projection surface for projecting an image can be arranged outside the visor, in the region of the viewing opening. In a second variant, a mount, in which the display device can be arranged, is provided inside the protective helmet in the chin shell region. The projection surface is then in front of the visor with respect to the person wearing the protective helmet, so that the person wearing the protective helmet does not have to see through the visor onto the projection surface. The arrangement in the protective helmet also makes it possible to retain the external shape of the protective helmet substantially.
However, it is disadvantageous for this arrangement inside the protective helmet, that the mount must be dimensioned very large due to the size of the display device, which leads to massive limitations for the configuration of the chin shell region in view of the small installation space available. Also, particularly large risks of injury result from this due to the display device in the event of a crash. Additionally, the user of a head-up display regularly has a dominant eye, in front of which the projection surface is advantageously arranged. In the case of the variant with external engagement, this circumstance can easily be taken into account in that the display device is fastened interchangeably on the protective helmet on the left or the right side. For arrangement inside the protective helmet, a mechanism would have to be used, which allows pivoting of the projection surface from left to right, which mechanism would be complex and probably involve a risk of injury.
It is an object of the inventors to provide an improved protective helmet in such a manner that a display device can be arranged inside the protective helmet more easily and that there exists the option for the person wearing the protective helmet to select the dominant eye for positioning the projection surface of the display device.
This object may be achieved, for example, by means of a protective helmet with features discussed in the present disclosure.
In at least some embodiments, two separate, but substantially identically dimensioned slots are provided in each case inside the protective helmet for a part of the display device. This division of the mount into two slots, which is also associated with a division of the display device into two parts, not only makes it possible to dimension each individual slot smaller than a single slot for the entire display device, which significantly mitigates the spatial problem inside the protective helmet, but furthermore also to interchange the occupancy of the two slots by the two parts of the display device, as a result of which an optional arrangement of the projection surface in front of the left or the right eye of the person wearing the protective helmet can be achieved. Thus, both problems are solved simultaneously.
The disclosed protective helmet, which may be a motorcycle protective helmet in particular, has an outer shell for distributing impact forces, wherein the outer shell has a chin shell region for covering a chin part of a person wearing the protective helmet. This chin shell may incidentally be constructed in one piece with the outer shell. Likewise, the chin shell region may in particular be pivotable, specifically with respect to the outer shell incidentally, by means of a pivoting mechanism of the protective helmet.
In at least some embodiments, the outer shell forms a viewing opening arranged above the chin shell region for the person wearing the protective helmet to see through. The protective helmet may have an in particular pivotable visor for covering the viewing opening.
In at least some embodiments, the protective helmet further has a slot with a slot shape for formfittingly accommodating an electronic module corresponding to the slot shape. The term slot shape designates the shape of the slot for the formfitting accommodation. The electronic module may be accommodated wholly or partially by the slot, wherein an overwhelming part of the electronic module is accommodated by the slot.
In at least some embodiments, the slot has a slot opening substantially bordering an edge of the viewing opening. This slot opening may be used for inserting the electronic module and alternatively or additionally for guiding out a part of the accommodated electronic module or allowing a part of the accommodated electronic module to protrude.
In at least some embodiments, the protective helmet is characterized in that the protective helmet has a further slot with a further slot opening substantially bordering the edge of the viewing opening and with the slot shape thereof for formfittingly accommodating a further electronic module corresponding to the slot shape. The further slot may have a slot shape which is identical to the slot shape of the slot. In this manner, an alternate mounting of the electronic module and the further electronic module in the slot and the further slot is enabled. The further electronic module may be accommodated wholly or partially by the further slot, wherein an overwhelming part of the further electronic module is accommodated by the further slot in at least some embodiments.
It may be that the protective helmet comprises none or only one of the electronic module and the further electronic module. In at least some embodiments, the protective helmet comprises the electronic module and the further electronic module, wherein, in particular embodiments, the electronic module can be accommodated by the slot and the further electronic module can be accommodated by the further slot. In particular embodiments, the slot and the further slot are set up for mutually interchangeable accommodation of the electronic module and the further electronic module. Furthermore, in particular embodiments, the slot is set up for the detachable accommodation of the electronic module and the further slot is set up for the detachable accommodation of the further electronic module.
In at least some embodiments, the electronic module and the further electronic module are comprised in an electronic system for displaying information in an image for the person wearing the protective helmet. This electronic system may be a head-up display in particular embodiments. The electronic module may comprise an optical module for depicting the image. Likewise, it may be that the further electronic module comprises a processor module with a processor device (example shown in the Figures by reference number 21) for processing the information for the image. In other words, the processor device carries out a preparatory image processing for depicting the image by means of the optical module, wherein the information processed by the processor device is provided to the optical module.
In at least some embodiments, the optical module comprises a projection surface for projecting the image. The optical module may have an imaging device (example shown in the Figures by reference number 18) for generating the image and a collimator (example shown in the Figures by reference number 19) for aligning light rays of the generated image for projection onto the projection surface. The imaging device may be a microdisplay. The projection surface may be a partially reflective and see-through mirror.
The optical module may have any desired number of housings and in particular embodiments has only one housing. In at least some embodiments, though, the optical module has a main housing (example shown in the Figures by reference number 14), a display housing (example shown in the Figures by reference number 15) and a joint (example shown in the Figures by reference number 16) for pivoting the display housing with respect to the main housing. Then, the optical module consists of at least two parts, which can be pivoted relatively to one another. This may be any desired type of joint currently known or later developed. The division of the functionality between the main housing and the display housing can be arbitrary. In at least some embodiments, the projection surface is accommodated in the display housing. Pivoting the display housing allows the person wearing the protective helmet a setting of the position and/or alignment of the projection surface, which is suitable for them. For pivotability, at least one of the two housings should not be formfittingly accommodated by the slot. Therefore, it may be that in the case of the accommodation of the electronic module by the slot, the main housing is formfittingly accommodated by the slot and the display housing can be pivoted.
A line arrangement, which, if appropriate, may be arranged subsequently, may be provided for a signaling connection between the electronic module and the further electronic module. In at least some embodiments, the protective helmet has a line arrangement for signaling connection of the electronic module accommodated by the slot to the further electronic module accommodated by the further slot. This line arrangement can be securely connected to the outer shell. This connection to the outer shell may exist directly indirectly.
In at least some embodiments, the line arrangement has a contact arrangement (example shown in the Figures by reference number 20a) securely connected to the slot for electrically contacting the electronic module accommodated by the slot and a further contact arrangement (example shown in the Figures by reference number 20b) securely connected to the further slot for electrically contacting the further electronic module accommodated by the further slot. Thus, a reliable connection can even be ensured by the locating of the electronic module or the further electronic module in the slot or in the further slot. Here, the contact arrangement, the further contact arrangement and the line arrangement may be set up to produce an identical signaling connection between the electronic module and the further electronic module when the electronic module is mounted in the slot and the further electronic module is mounted in the further slot and also when the further electronic module is mounted in the slot and the electronic module is mounted in the further slot. In this manner, the electronic module and the further electronic module are correctly connected to one another independently of their respective mounting in the slot or in the further slot.
In at least some embodiments, the slot and the further slot are arranged internally to the outer shell in each case. In this arrangement, the accommodated electronic module and the accommodated further electronic module may be arranged internally to the outer shell.
In addition to the outer shell, the protective helmet may have further layers for mechanically protecting the person wearing the protective helmet. In at least some embodiments, the protective helmet has an inner layer, accommodated by the outer shell, for absorbing impact forces. The slot and the further slot may be arranged between the outer shell and the inner layer. The electronic module accommodated by the slot and the further electronic module accommodated by the further slot may be arranged between the outer shell and the inner layer.
The position and alignment of the slot with respect to the further slot may be arbitrary. In at least some embodiments, the slot and the further slot are arranged substantially symmetrically to a central plane of the protective helmet, which central plane is aligned parallel to a direction of sight of the person wearing the protective helmet and parallel to a vertical direction of the person wearing the protective helmet. Such a placement of the slot and the further slot enables a uniform and therefore balanced weight distribution on the protective helmet. In addition to the position of the slot and the further slot, the alignment thereof may also be selected. This may be done so that the slot shape predetermines a respective alignment of the accommodated electronic module and the accommodated further electronic module. Thus, the slot shape(s) may be designed to block a rotation of the accommodated electronic module and/or the accommodated further electronic module. Here, a respective alignment of the slot shape of the slot and the further slot may be substantially symmetrical to the central plane of the protective helmet. From the point of view of the person wearing the protective helmet, the alignment of the slot shape of the slot and the further slot is therefore identical in such embodiments.
The slot and/or the further slot may also be arranged above the viewing opening. In at least some embodiments, the slot and the further slot are arranged at the chin shell region. They are therefore arranged below the viewing opening. Here, with respect to the central plane, the slot and the further slot span an angle which is between 45° and 125° in some embodiments, and in some such embodiments, between 60° and 90°.
Fixing of the electronic module and the further electronic module in the slot or in the further slot can take place in any desired manner. In at least some embodiments, the slot and the further slot in each case have a gripping device, which in some embodiments is a releasable snap connection to the electronic module and the further electronic module. The respective gripping device may have a snapping projection (examples shown in the Figures by reference numbers 22a, 22b, 23a, 23b) and/or a snap recess. The snap recess may be set up to produce the snap connection by engagement with a projection of the electronic module or the further electronic module. The snap projection may be set up to produce the snap connection by engagement with a recess of the electronic module or the further electronic module.
In at least some embodiments, the outer shell has a helmet terminal edge for lower delimiting of the protective helmet and in that the slot and the further slot are arranged bordering the helmet terminal edge in each case. In this manner, the electronic module and the further electronic module can be inserted into the slot and into the further slot without the protective helmet having to be taken off. To this end, the slot may have an insertion opening bordering the helmet terminal edge for inserting the electronic module and the further slot may have a further insertion opening bordering the helmet terminal edge for inserting the further electronic module. The arrangement of the slot and the further slot may be such so that the accommodated electronic module and the accommodated further electronic module are arranged bordering the helmet terminal edge.
The protective helmet may also have further slots. In at least some embodiments, the protective helmet has at least one additional slot for formfittingly accommodating a respective additional module. These additional slots may, in principle, be arranged as desired on the protective helmet. The at least one additional slot may be arranged in a rear region of the outer shell, e.g., substantially opposite the viewing opening. In this manner, the weight of the at least one accommodated additional module may at least partially balance the weight of the electronic module and the further electronic module. Furthermore, it may be that the at least one additional slot is arranged bordering the helmet terminal edge.
In at least some embodiments, the protective helmet has two additional slots. The two additional slots may be arranged substantially symmetrically to the central plane of the protective helmet. This ensures a substantially uniform weight distribution on the protective helmet. In particular, it may be that the two additional slots each have a mount opening bordering the helmet terminal edge for inserting the respective additional module.
The at least one additional module may have any desired function. In at least some embodiments, the at least one additional module has a battery (example shown in the Figures by reference number 17) for operationally supplying the electronic module and/or the further electronic module with electrical energy.
In at least some embodiments, the protective helmet has a microphone arrangement and/or loudspeaker arrangement arranged internally to the outer shell in each case, wherein the line arrangement may be set up to connect the microphone arrangement and/or the loudspeaker arrangement to the electronic module accommodated by the slot and/or to the further electronic module accommodated by the further slot in a signaling manner.
In at least some embodiments, the protective helmet has a ventilation duct arrangement connected to the slot and the further slot for cooling the electronic module and the further electronic module. In at least some embodiments, the outer shell has at least one vent (example shown in the Figures by reference number 24) for supplying outside air to the ventilation duct arrangement. In particular embodiments, it may be that the at least one vent is set up for supplying outside air to the person wearing the protective helmet.
This summary is not exhaustive of the scope of the present aspects and embodiments. Thus, while certain aspects and embodiments have been presented and/or outlined in this summary, it should be understood that the present aspects and embodiments are not limited to the aspects and embodiments in this summary. Indeed, other aspects and embodiments, which may be similar to and/or different from, the aspects and embodiments presented in this summary, will be apparent from the description, illustrations, and/or claims, which follow.
It should also be understood that any aspects and embodiments that are described in this summary and do not appear in the claims that follow are preserved for later presentation in this application or in one or more continuation patent applications.
Further configurations result from the following description with reference to the figures. In the drawings, depicting only one exemplary embodiment, the drawings show:
The exemplary protective helmet illustrated in
The protective helmet shown in the figures has a slot 4a with a slot opening, and a further slot 4b with a further slot opening, wherein the slot shape common to both slots 4a, b can be seen from
In the illustrated embodiment, the slot 4a and the further slot 4b are symmetrical with regards to position and alignment to a central plane 10 of the protective helmet indicated in
In addition to the slot 4a and the further slot 4b, the illustrated protective helmet further has two additional slots 12a, b, which are set up for accommodating a respective additional module, wherein one of the additional modules is a battery here. Also, the additional slots 12a, b in the illustrated embodiment are arranged symmetrically with respect to the central plane 10.
A line arrangement 9 for electrically connecting the electronic module 5a to the further electronic module 5b and to the additional modules in the additional slots 12a, b is illustrated schematically in
While the above describes certain embodiments, those skilled in the art should understand that the foregoing description is not intended to limit the spirit or scope of the present disclosure. It should also be understood that the embodiments of the present disclosure described herein are merely exemplary and that a person skilled in the art may make any variations and modification without departing from the spirit and scope of the disclosure. All such variations and modifications, including those discussed above, are intended to be included within the scope of the disclosure.
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|---|---|---|---|
| 10 2018 004 314.3 | May 2018 | DE | national |
| Filing Document | Filing Date | Country | Kind |
|---|---|---|---|
| PCT/EP2019/063825 | 5/28/2019 | WO |
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|---|---|---|---|
| WO2019/229065 | 12/5/2019 | WO | A |
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