EP2393388A2 - Casque - Google Patents

Casque

Info

Publication number
EP2393388A2
EP2393388A2 EP10707442A EP10707442A EP2393388A2 EP 2393388 A2 EP2393388 A2 EP 2393388A2 EP 10707442 A EP10707442 A EP 10707442A EP 10707442 A EP10707442 A EP 10707442A EP 2393388 A2 EP2393388 A2 EP 2393388A2
Authority
EP
European Patent Office
Prior art keywords
helmet
light
light source
shell
helmet shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10707442A
Other languages
German (de)
English (en)
Inventor
Martin KNÖPFLI
Jonas GMÜR
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TECASIA AG
Original Assignee
TECASIA AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TECASIA AG filed Critical TECASIA AG
Publication of EP2393388A2 publication Critical patent/EP2393388A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A42B3/0406—Accessories for helmets
    • A42B3/0433—Detecting, signalling or lighting devices
    • A42B3/044—Lighting devices, e.g. helmets with lamps
    • 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
    • A42B3/0406—Accessories for helmets
    • A42B3/0433—Detecting, signalling or lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0064—Health, life-saving or fire-fighting equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a helmet that can be configured in particular as a helmet for cyclists and / or skiers.
  • the helmet can also be configured as a helmet for skaters, skateboarders, snowboarders or other athletes.
  • Helmets with lighting device are used to better recognize cyclists at night or in adverse visibility conditions and, if necessary, the illumination of the path.
  • US 5,544,027 discloses an LED device that can be attached to conventional or new bicycle helmets to improve the visibility in the evenings.
  • LEDs are connected via an electrical line to an electrical power source, such as a battery mounted in the helmet, or to an external power source, such as a dynamo mounted on a bicycle.
  • an electrical power source such as a battery mounted in the helmet
  • an external power source such as a dynamo mounted on a bicycle.
  • a plurality of LEDs are arranged in series on a strip on a strip on a strip, which is fixable by means of an adhesive strip on a conventional helmet.
  • the battery is housed. This arrangement is placed outside over the crest area of the helmet, with the battery box heavily applied to the occipital area of the helmet.
  • the visibility of the strip located above the vertex of the wearer is not very good.
  • CA 2,227,042 A1 discloses a bicycle helmet with a device for switching on and off a series of bulbs comprising spaced incandescent bulbs in a clear and flexible as well as transparent and waterproof material.
  • the strip is around the outer circumference of the Helm's installed around.
  • the box-shaped battery is located on the outside of the helmet above the back of the head, as well as the on / off switch.
  • the important for the safety of the wearer radiation is given from the back of the head and the rear side areas of the helmet.
  • the device is bulky and accordingly the placement on a helmet is problematic, especially if it is not intended to be very spacious and light for use in sports.
  • a further disadvantage is that the known lighting devices must be switched on and off, so that they are not always turned on in poor visibility or remain switched on in sufficient visibility many times and unnecessarily consume power.
  • the present invention seeks to provide a helmet that better protects the wearer.
  • the helmet according to the invention has an illumination device with at least one arranged on the outside of the helmet shell electrical light source, a sensor for detecting the arrangement of the helmet on a head, an electrically connected to the electrical light source and the sensor electrical Control device and an electrical voltage source, wherein the electrical control device is designed such that it switches on the electric light source or allows a switch of the electric light source only when the sensor detects the arrangement of the helmet on a head.
  • the helmet of the invention turns on the light source only when the helmet is placed on the head of a wearer. This is detected by the sensor.
  • the sensor provides a corresponding signal.
  • the controller directs the signal to whether the sensor has detected the location of the helmet on a head and only if so, does the controller turn on the electrical light source.
  • the helmet thus ensures that the lighting device is only switched on when the helmet is seated on the head of a wearer. When the helmet is removed, the lighting device is off. This avoids unnecessary power consumption, so that the lighting device can be used more often when visibility conditions require it.
  • the helmet is thus safer than conventional helmets.
  • the invention includes embodiments in which the lighting device is always turned on. when the helmet is placed on the head of a wearer.
  • the electrical control device enables switching on the electric light source only when the helmet is placed on a head.
  • an additional switch is required, this may be in particular a manually operable switch or a twilight switch.
  • switching on the light source and associated power consumption is also avoided when the helmet is discontinued.
  • the sensor can be designed in various ways.
  • the sensor has electrical contacts in two mateable closing elements of a closure of a chinstrap, wherein with the Contacts connected electrical lines run along the chin strap and are connected to the electrical control device. Only when the closing elements of the closure are joined, the light source is switched on or switched on. Since the closure elements are assembled regularly when the helmet is mounted on a head, this sensor detects that the helmet is sitting on the head of a wearer. Thus, in this embodiment, it is achieved that the light source is switched on or can be switched on when the helmet is seated on the head of the wearer and, moreover, the light source remains switched off.
  • the senor has a light barrier with a light source and a light receiver, and the light path of the light barrier runs through the receptacle of the helmet shell for the head of the wearer.
  • the light path of the light barrier runs through the receptacle of the helmet shell for the head of the wearer.
  • the light path of the light barrier is interrupted. If the helmet is not attached, the sensor is illuminated by the light source. Consequently, the sensor detects whether the helmet is seated on a head or not.
  • the senor has a feeler, which engages in the receptacle of the helmet shell for the head, so that it is actuated by the head of a wearer when he has put on the helmet.
  • the sensing element is coupled to, for example, a mechanical switch (with electrical switch contacts) or an electronic switch (e.g., a Hall switch or a photoelectric switch).
  • the switch of the sensor is in turn electrically connected to the electrical control devices.
  • the senor comprises a thermal sensor which is assigned to the receptacle of the helmet shell, so that it detects the thermal radiation emanating from a head inserted into the receptacle.
  • the sensor emits a corresponding signal so that the electrical control device can determine, by evaluating the signal supplied by the sensor, that the sensor detects a head in the receptacle of the helmet shell.
  • the helmet may have one of the aforementioned sensors or more of the aforementioned sensors in any combination.
  • the light source and / or the sensor and / or the control device is / are arranged in at least one housing of the lighting device.
  • the helmet according to the invention has a lighting device with at least one electrical light source arranged on the outside of the helmet shell, a brightness sensor arranged on the outside of the helmet shell, an electrical control device electrically connected to the electrical light source and the brightness sensor and an electrical voltage source, wherein the electrical control device is designed in this way in that it controls the electric light source in accordance with the signal supplied by the brightness sensor.
  • the electrical control device controls the electric light source as a function of the visibility conditions detected by the brightness sensor.
  • the invention relates to embodiments in which the control device is designed such that it switches on the electric light source in poor visibility conditions and switches off in good visibility conditions. It also refers to embodiments in which the Control device is designed so that the electric light source controls the brighter, the worse the visibility. But it can also be designed so that it controls the electric light source at low darkness less bright, because then it stands out better from the environment anyway.
  • the function between the signal supplied by the electrical brightness sensor and the voltage supplied to the electric light source may be selected according to convenience.
  • the invention relates to embodiments in which the control device is designed such that it switches on the electric light source in poor visibility conditions and switches off in good visibility conditions and additionally controls the brightness of the switched-on electric light source depending on the visibility conditions.
  • the electrical control device is designed such that the electric light source can only be switched on or off, if this is possible on the basis of the signal supplied by the brightness sensor. For switching on the electric light source then an additional switch must be closed and when it is open, the electric light source is turned off.
  • the wearer is better protected by the helmet, because the control of the electric light source reduces the power consumption and thus increases the availability of lighting.
  • the helmet is automatically turned on in low visibility conditions, illumination in low visibility conditions is ensured.
  • the helmet additionally has the features of claim 1 and, if applicable, at least one embodiment of claim 1, so that the light source is only switched on or can be switched on when the helmet is seated on the head of a wearer.
  • the electrical control device is designed to switch on the light source if the signal emitted by the brightness sensor falls below a certain threshold value for a defined time and / or switch off the light source if the signal emitted by the brightness sensor exceeds a further threshold value for a further defined time , This avoids unwanted reaction of the lighting device to short-term fluctuation of the ambient brightness.
  • the defined time and / or the further defined time is at least five and / or at most 30 seconds.
  • the helmet according to the invention has a lighting device with at least one electric light source comprising a light guide arranged on the outside of the helmet shell with strip-shaped structures extending transversely to its longitudinal direction and / or of a cloudy light-conducting material and an LED on at least one end of the light guide and an electrical voltage source.
  • the LED emits light into one end of the light guide.
  • the light guide radiates the light due to its strip-shaped structures and / or due to its cloudy light-conducting material transversely to its longitudinal direction. This is due to the fact that the light is deflected by the strip-like structures and / or by tiny light-scattering particles embedded in the material of the light guide and clouding them transversely to the longitudinal direction of the light guide.
  • the light emerges on the sides of the light guide. In particular, it may be at the opposite side of the strip-shaped structures of the Outgoing light guide.
  • the lighting device thus emits light along a longitudinal side, so that an overall strip-shaped light source is formed.
  • the helmet may have the lighting device on well visible surfaces. Furthermore, it is possible to combine a plurality of lighting devices with one another to form a light device emitting surface light.
  • the helmet better protects the wearer because the lighting device is more noticeable.
  • the helmet has the features of the helmet of claim 1 and / or claim 7 if necessary. Of at least one embodiment of the helmet of claim 1 and / or of claim 7.
  • the surface scattering light guide is mounted from the outside to the helmet shell. Further preferably, it is arranged on the outside of the helmet shell.
  • the light source or LED with the electrical contacts is foamed firmly into the helmet shell.
  • the LED is embedded with the electrical contacts in the foam of the helmet shell.
  • the power supply of the light source by means of an electronic unit.
  • the power supply of the light source is produced via spring contacts, which are connected with foamed into the helmet shell cables.
  • the cables are embedded in the foam of the helmet shell.
  • the spring contacts may also be at least partially embedded or foamed into the foam of the helmet shell.
  • An electronics unit which controls the light source or LED and optionally comprises the electrical voltage source is preferably embedded in the helmet shell. Further preferably, it is removable and embedded flush in the helmet shell. Further preferably, the electronics unit is removable from the inside or outside of the helmet shell.
  • the strip-shaped structures can be designed differently. According to one embodiment, the strip-shaped structures are arranged on the inside and / or the outside of the light guide grooves and / or projections.
  • the LED may be positioned in various ways with respect to the end of the light pipe.
  • the light guide has at one end a sleeve in which the LED is inserted.
  • the helmet comprises a plurality of electric light sources each having a light guide and an LED.
  • the electric light sources can be arranged on different sides of the helmet, for example in front and behind and / or on the left or the right side of the helmet.
  • the helmet comprises two electric light sources with parallel light guides.
  • the parallel optical fibers can emit light approximately flat.
  • adjacent parallel light sources have the LEDs at opposite ends. As a result, more uniform light output is achieved by the arrangement of multiple parallel light sources.
  • parallel light sources are arranged on a common carrier, which is inserted into a further receptacle on the outside of the helmet shell.
  • the arrangement of parallel light sources on a common carrier forms a lighting module, which as a whole in one He is mountable and facilitates the equipping or retrofitting of a helmet with a lighting device.
  • At least one electric light source is arranged above the occipital region and / or above the anterior skullcap region and / or above the temporal region.
  • the helmet according to the invention has a lighting device with at least one electric light source comprising a plurality of flexible light guides and at least one LED, wherein the light guides are arranged with one end on the at least one LED and arranged with the other ends in different light exit openings of the helmet shell, and an electrical voltage source.
  • the supply of the flexible light guide can be done with light from a detachable from the helmet electronics unit.
  • This can have the LED.
  • the electronics unit may include the control electronics for controlling the LED. Further, it may include the electric power source. A switch for switching on the power supply and / or the LED is present according to an embodiment of the electronics unit.
  • the light guides are preferably foamed firmly into the helmet shell. Further preferably, they are embedded in the foam of the helmet shell.
  • the electronics unit is inserted flat in the helmet shell. Furthermore, it is preferably flat in a helmet shell made of foam. Further preferably, the electronics unit is inserted flush in the helmet shell. Further preferably, it is flush with the inside or outside of the helmet shell. Further preferably, it is removable from the inside or outside of the helmet or the helmet shell.
  • one or more LEDs emit light into the ends of a plurality of flexible light guides.
  • the flexible light guides are, for example, glass fibers, nylon thread or the like.
  • the light guides are arranged with their other ends in different Lichtaustrittsöffhungen the helmet shell.
  • the light exit openings can be distributed over different sides of the helmet shell, so that a light emission is achieved from different sides of the helmet shell.
  • the Lichtaustrittsöffhungen may be evenly or non-uniformly distributed over the entire helmet shell or over a part of the same.
  • the invention enables light emission from different locations of the helmet shell using only a single LED. When using multiple LEDs, it allows light emission from a number of Lichtaustrittsöffhungen that exceeds the number of LEDs. Due to the improved light emission, the helmet contributes to the safety of the wearer.
  • LEDs can be the same color or different colors.
  • the different colors can be assigned to different sides of the helmet, on which the Lichtaustrittsöffhungen are arranged, which are connected via optical fibers with the respective LEDs of certain color.
  • optical fibers that terminate in light exit openings on the front of the helmet may be led to one or more white LEDs, so that white light is radiated from the front of the helmet.
  • the helmet according to the invention may have the features of at least one further helmet according to the invention and, if appropriate, of its embodiments.
  • the light guides can be guided along the outside of the helmet shell.
  • the light guides are arranged between their ends within the helmet shell.
  • the light guides may be embedded in the helmet shell and / or guided along the inside of the helmet shell. On the inside of the helmet shell they can be covered by an inner lining of the helmet shell.
  • the LED can in principle be arranged on the outside of the helmet shell along a light exit opening of the helmet shell, so that the LED light additionally radiates directly to the outside.
  • the LED is arranged inside the helmet shell. The light is then directed to the outside exclusively via optical fibers. As a result, a uniform light output can be achieved via all the light exit openings.
  • the light guides can be fixed in various ways with their ends to the light exit openings. For example, they can be pressed into light outlet openings and / or glued be. According to one embodiment, the light guides on the light exit openings on the outside of the helmet shell arranged widenings. The spacers secure the light guides at their positions in the light exit openings. At an exit from the light exit openings, they can also be secured by a suitable embedding or fixing within the helmet shell, for example by gluing and / or pinching in a channel of Helmet shell. Furthermore, the broadening can serve to make the
  • the widening is linsenkopff ⁇ rmig according to another embodiment.
  • the broadening of the LED can be produced, for example, by swaging the ends of optical fibers made of plastic or of another heat-deformable material by means of a hot tool.
  • the electrical voltage source comprises at least one battery and / or accumulator.
  • This embodiment is applicable to all inventions and, if necessary, their embodiments.
  • the helmet according to the invention with a lighting device has at least one arranged on the outside of the helmet shell electric light source, at least one accumulator and at least one arranged on the outside of the helmet shell solar power source, which is electrically connected to the accumulator.
  • the accumulator is charged by means of the solar power source when the helmet is illuminated. Typically is this is the case when using the helmet on sunny days.
  • the helmet can be placed to charge the battery in a sunny place, for example, on a windowsill.
  • the accumulator feeds the electric light source. The fact that the electrical power supply of the helmet is recharged again, the operational readiness of the electric light source is increased. This increases the safety of the wearer of the helmet.
  • the helmet according to the invention may advantageously have the features of one or more of the further inventions and, if necessary, of their embodiments.
  • the helmet of the invention has a helmet shell with parallel ventilation slots and two panels with the ventilation slots of the helmet shell approximately congruent further ventilation slots, which are guided displaceably in the helmet shell in the longitudinal direction and transverse to the ventilation slots and each have a guide slot, the guide slots of the two panels opposite are inclined to the ventilation slots and the panels each have a further guide slot which is parallel to the ventilation slots and a guide pin engaging in all guide slots in a further guide slot of the helmet shell is displaceable, which is parallel to the ventilation slots.
  • the two diaphragms are displaced by displacement of the guide pin in the further guide slot, so that the further ventilation slits of the diaphragms overlap more or less with the ventilation slits of the helmet shell.
  • the helmet of the Cross-section of the ventilation slots adjustable and thus the amount of air transmitted through the ventilation slots.
  • the ventilation slots can be completely or almost completely closed and fully or almost completely opened at high ambient temperatures.
  • the ventilation slots and the other ventilation slots can be brought about half to cover.
  • the helmet allows adaptation to the respective environmental conditions. The wearing of the helmet is thus more pleasant than with conventional helmets, in which the ventilation slots are not changeable. As a result, a user places the helmet more frequently and the helmet increases the safety of the wearer.
  • the helmet according to the invention may have the features of at least one further helmet according to the invention and, if appropriate, of its embodiments.
  • Figure 1 shows a helmet with lighting device and support detection by means of electrical contact in a vertical section.
  • Fig. 2 is a helmet with lighting device and support detection means
  • FIG. 3 is a helmet with lighting device and support detection means
  • Tast organ in a vertical section Fig. 4 shows a helmet with lighting devices and wear detection means
  • Heat sensor in a vertical section shows a light source with light guide and LED of a lighting device of a helmet in a partial perspective view obliquely from above and from the side;
  • Fig. 6 shows the same light source in a reduced partial plan view;
  • 7 shows a helmet with lighting device comprising a plurality of light sources according to FIGS. 5 and 6 in a vertical section;
  • Figure 8 shows the same helmet in a perspective view obliquely from behind and from the side.
  • FIG. 9 shows a helmet with lighting device with a plurality of parallel light sources combined into a module in a vertical section
  • Fig. 1 the module of the helmet of Figures 9 and 10 in a front view.
  • Fig. 12 ventilation device of a helmet with adjustable ventilation slots in the closed position in plan view
  • FIG. 14 shows a helmet with lighting device with a plurality of flexible light guides in a vertical section.
  • top, bottom, front and rear and horizontal and vertical refer to a helmet that is worn by a person in upright posture and with a view directed to the horizon.
  • a helmet 11 has a helmet shell 2.
  • a lighting device 3 is used, which includes a front light 3.1 at the front edge of the helmet shell 2, which is arranged above the forehead.
  • the lighting device 3 comprises a rear light 3.2, which is arranged at the rear of the helmet shell 2 above the occiput of the wearer.
  • the front light 3.1 and the rear light 3.2 each have a cylindrical or frustoconical housing 4.1, 4.2, in an outer end face of a Li source 5.1, 5.2 contains.
  • the housing 4.1, 4.2 are inserted into the helmet shell 2, wherein the outer end faces with the light sources 5.1, 5.2 are arranged flush with the outside of the helmet shell 2.
  • the housing 4.1 contains, in addition to the light source 5.2, an electrical control device and an electrical power source in the form of at least one button cell or battery.
  • the front light 3.1 and the rear light 3.2 are connected to each other by a two-wire electrical connection line 6.
  • the housing 4.2 has on the inner end face an eyelet, is passed through the chin strap 7 with a rear loop 7.1.
  • a front loop 7.2 of the chin strap 7 is anchored above the anterior skull in the helmet shell 2.
  • the rear loop 7.1 is at the lower ends of a closure 8 with joinable and separable closure elements 8.1, 8.2.
  • the closing elements 8.1, 8.2 each have electrical contacts 9.1, 9.2 which contact each other when the closure is assembled.
  • the electrical contacts 9.1, 9.2 are connected to electrical lines 10.1, 10.2, which are integrated in the rear loop 7.1 of the chin strap 7.
  • the electrical lines 10.1, 10.2 are electrically connected to the electrical control device in the tail light 3.2.
  • the electrical control device allows switching on the light sources 5.1, 5.2.
  • the light sources 5.1, 5.2 are by means of an additional electrical switch on and off, which is not shown.
  • This additional switch is for example a twilight switch or a mechanical switch. In principle, it is also possible that the lighting device is always turned on when the shutter is closed.
  • the helmet 1.1 thus avoids accidental switching on the lights when the helmet is not worn.
  • the helmet 1.2 of Fig. 2 differs from the helmet 1.2 by the design of the wear detection.
  • the helmet 1.2 has a light barrier 11 for carrying detection, which has a light transmitter 11.1 on the inner end face of the housing 4.1 and a light receiver 11.2 or vice versa on the inner end face of the housing 4.2.
  • the light transmitter 1 1.1 is also connected via the connecting line 6 to the electrical control device in the tail light 3.2.
  • the light receiver 11.2 is also connected to the electrical control device.
  • the light path 12 of the light barrier 11 extends through the receptacle 13 of the helmet shell 2 for the head 14 of a wearer.
  • the electric control device recognizes that the helmet 1.2 is put on and switches off the light sources 5.1, 5.2.
  • the light sources 5.1, 5.2 can be switched on whenever the light path is interrupted.
  • the switching on of the electric light sources 5.1, 5.2 can also be made dependent on the additional operation of a switch, which is for example a twilight switch or a mechanical switch. Also this carrying recognition avoids switching on when the helmet 1.2 is not attached.
  • the helmet 1.3 according to Figure 3 differs from the helmet 1.1, characterized in that on the inner end face of the housing 4.2 of the rear lamp 3.2, a feeler 15 is arranged in the form of a spiral spring in the unloaded state in the recording
  • the feeler 15 carries on the side facing away from the receptacle 13 a pin 16 and another rod-shaped transmission member, which is aligned with an electrical switch 17 in the rear housing 4.2.
  • the feeler 15 is from the head
  • the helmet 1.4 of FIG. 4 differs from the helmet 1.1 in that a heat sensor 18 is arranged on the inner end face of the rear housing 4.2.
  • the heat sensor 18 is electrically connected to the electric control device.
  • the body temperature of the wearer acts on the thermal sensor 18. Accordingly, the signal provided by the heat sensor 18 changes in a characteristic manner. This recognizes the control device and switches the light sources 5.1, 5.2 free.
  • the light sources 5.1, 5.2 are turned on as a result in the manner already described.
  • one or more LEDs are arranged as light sources 5.1, 5.2 in the outer end faces of the housings 4.1, 4.2.
  • FIGS. 5 and 6 show an electric light source 19 of a further helmet according to the invention, which comprises a light guide 20 and an LED 21.
  • the light guide 20 has an approximately semicircular cross-section.
  • strip-shaped structures in the form of a plurality of parallel grooves 22 are arranged transversely to its longitudinal direction.
  • At one end of the light guide 20 has a sleeve 23, in which the LED 21 is pressed with its transparent embedding.
  • the two electrical contacts 24.1, 24.2 of the LED 21 stand out of the sleeve 23.
  • the bead-like protruding base 25 of the LED abuts against the end face of the sleeve 23.
  • Light emitted by the LED 21 is guided by the end having the sleeve 23 in the longitudinal direction of the optical waveguide 19.
  • Light components which strike the strip-shaped structures 22 are reflected transversely to the direction of propagation and emerge from the side of the light guide 20, which is opposite to the side with the strip-shaped structures 22.
  • uniform radiation of the light emitted by the LED 21 is achieved over the entire length of the light guide 20.
  • a plurality of light sources 19 are arranged on a helmet 1.5.
  • the light sources 19 are each integrated into the helmet shell 2, wherein its light-emitting outer side is flush with the outside of the helmet shell 2.
  • the light sources 19 are arranged above the area of the skullcap, above the temporal area and transversely above the occiput as well as vertically above the back of the head. All light sources 19 are connected via electrical connection cable 6 to an electrical power supply in the form of button cells or batteries in a central housing 4.3. Further includes the electrical lighting device not shown means for switching on and off of the light sources 19.
  • wear detectors according to the exemplary embodiments of FIGS. 1 to 4 may be present.
  • a helmet 1.6 has a module 26 which comprises a housing 27 in which two light guides 19 are arranged substantially parallel.
  • the light guides 19 have the LED 21 at opposite ends.
  • the module 26 allows easy mounting by inserting or snapping the housing 27 into the helmet shell 2, for which case 27 and helmet shell 2 may be provided with suitable snap means.
  • the module 26 is an approximately flat light emission, since the light-emitting surface of the light guide 19 forms a large part of the light-emitting surface of the module 26.
  • the light-emitting surface may be formed by a light-diffusing cover 28 of the housing 27 (see Fig. 1 1).
  • FIGS. 12 and 13 show a ventilation device 29 on a helmet 1.7 illustrated in phantom.
  • the helmet 1.7 has at the top a group of parallel ventilation slots 30 that extend from front to back. Above the apex, an elongate central ventilation slot 30.1 is arranged. On both sides of the middle ventilation slot 30.1 side ventilation slots 30.2 and 30.3 are arranged. The aforementioned ventilation slots 30.1 to 30.3 extend approximately from the center of the helmet 1.7 to over the occiput.
  • the ventilation device 29 comprises two panels 29.1, 29.2, which are each provided with further ventilation slots 31.1, 31.2, which extend from the front to the rear. Furthermore, the panels 29.1, 29.2 each have a guide slot 32.1, 32.2, which is oblique to the ventilation slots 30.1 to 30.5 and the other Ventilation slots 31.1 to 31.2 is inclined. At the front, the guide slots 32.1, 32.2 are each connected to a further guide slot 33.1, 33.2 in the panels 29.1, 29.2, which runs parallel to the ventilation slots 30.1 to 30.5 or 31.1 to 31.2.
  • a further guide slot 34 is present, which overlaps with the other guide slots 33.1, 33.2.
  • a guide pin 35 is inserted into the guide slots 32.1, 32.2 and the other guide slots 33.1, 33.2 and 34.
  • the panels 29.1, 29.2 are in addition to the helmet shell 2 in the direction transverse to the other guide slots 33.1, 33.2 and 34 out.
  • the panels 29.1, 29.2 are preferably arranged between the helmet shell 2 and an inner lining of the helmet shell 2, which has congruent slots with the slots 30.1 to 30.5.
  • the guide pin 35 is at the front end of the other guide slots 33.1, 33.2 and 36 and at the front ends of the guide slots 32.1, 32.2.
  • the panels 29.1, 29.2 are maximally moved apart and cover the ventilation slots 30.1 to 30.5.
  • ventilation of the interior of the helmet 1.7 is prevented. This position is particularly useful on cold winter days, when no cold air on the head of the wearer should be directed.
  • the knob 36 is moved backwards, so that the guide pin 35 at the rear ends of the other guide slots 33.1, 33.2 and 34 and the Guide slots 32.1, 32.2 is arranged.
  • the panels 29.1, 29.2 are brought together so that they largely overlap.
  • the openings 30.1 to 30.5 are cleared.
  • the further ventilation openings 31.1, 31.2 brought into coincidence with the ventilation opening 30.1 and the panels 29.1, 29.2 deducted from the ventilation openings 30.2 to 30.5.
  • This position, in which the ventilation openings 30.1 to 30.5 are maximally open, is expedient, in particular, on hot summer days.
  • the diaphragms 29.1, 29.2 can be brought into any intermediate positions between the positions shown in FIGS. 12 and 13 in order to regulate the air flowing into the helmet shell 2 through the ventilation openings 30.1 to 30.5.
  • a helmet 1.8 has a helmet shell 2 in which a small housing 37 is embedded, which contains an electric light source in the form of an LED 38.
  • a plurality of flexible optical fibers 39.1, 39.2, etc. are guided, each associated with one end of the LED 38.
  • the light guides 39.1, 39.2, etc. are embedded in the helmet shell 2 and come out with their other end in each case by a light exit opening 40.1, 40.2, etc. in the helmet shell 2.
  • Outside the helmet shell 2 they have a lens-shaped widening 41.1, 41.2, etc., which may also be significantly more pronounced than shown in Figure 14.
  • the broadening 41.1, 41.2, etc. is made of optical fibers 39.1, 39.2, etc. made of a heat-deformable plastic by machining with a hot tool.
  • the helmet shell 2 can outside a coating, e.g. made of polycarbonate or polyvinyl chloride through which the light exit openings 40.1, 40.2, etc. pass.
  • the light exit openings 40.1, 40.2 are combined in several groups, with a group at the front of the helmet shell 2 above the forehead, a another group at the rear of the helmet shell 2 above the occiput and two other groups on the two sides above the temples of the wearer 14 are arranged.
  • the housing 37 also includes an electronics unit 41 for controlling the LED 38.
  • the housing 37 may also include a power supply. It is flush inserted into the helmet shell 2 and can be removed or used from the outside of the helmet shell 2.
  • the electronics unit 41 is also connected via cable 42 to another LED 38.1, which is coupled to a light guide 19, which is arranged on the outside of the helmet shell 2.
  • the cable 42 and the LED 38.1 are embedded in the helmet shell 2.
  • One or more cables 42 with LED 38.1 and light guide 19 may be present in addition to the flexible light guides 39.1, 39.2, etc. or instead.
  • the LEDs 38, 38.1 are connected via electrical switching means, not shown, to an electrical power supply, not shown.
  • the light guides 39.1, 39.2, etc. When the LED 38 is turned on, the light guides 39.1, 39.2, etc., emit light to the outside through the various light exit openings 40.1, 40.2, etc. Due to the lens-shaped widenings 41.1, 41.2, etc., the light is emitted at a large exit angle and is thus clearly visible, although the light guides 39.1, 39.2, etc. are fed by a single light source 38.
  • the LED 38.1 radiates via the light guide 19.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Helmets And Other Head Coverings (AREA)

Abstract

L'invention concerne un casque muni d'un dispositif d'éclairage présentant au moins une source lumineuse électrique montée sur la face extérieure de la coque du casque, un capteur pour détecter le positionnement du casque sur la tête d'un utilisateur, un dispositif de commande électrique relié électriquement à la source lumineuse électrique et au capteur ainsi qu'une source de tension. Le dispositif de commande électrique est conçu de sorte que la source lumineuse électrique soit enclenchée ou ne permette d'enclencher la source lumineuse électrique que lorsque le capteur détecte le positionnement du casque sur la tête.
EP10707442A 2009-02-06 2010-02-05 Casque Withdrawn EP2393388A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009002447U DE202009002447U1 (de) 2009-02-06 2009-02-06 Helm
PCT/EP2010/000739 WO2010089140A2 (fr) 2009-02-06 2010-02-05 Casque

Publications (1)

Publication Number Publication Date
EP2393388A2 true EP2393388A2 (fr) 2011-12-14

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ID=40719742

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Application Number Title Priority Date Filing Date
EP10707442A Withdrawn EP2393388A2 (fr) 2009-02-06 2010-02-05 Casque

Country Status (6)

Country Link
US (1) US20110289658A1 (fr)
EP (1) EP2393388A2 (fr)
JP (1) JP2012516949A (fr)
CN (1) CN102348393A (fr)
DE (1) DE202009002447U1 (fr)
WO (1) WO2010089140A2 (fr)

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Also Published As

Publication number Publication date
WO2010089140A2 (fr) 2010-08-12
WO2010089140A3 (fr) 2011-02-24
US20110289658A1 (en) 2011-12-01
JP2012516949A (ja) 2012-07-26
DE202009002447U1 (de) 2009-06-04
CN102348393A (zh) 2012-02-08

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