WO2001061112A1 - Dispositif de signaux routiers et systeme de signaux lumineux a emission spontanee utilise dans ce dispositif - Google Patents
Dispositif de signaux routiers et systeme de signaux lumineux a emission spontanee utilise dans ce dispositif Download PDFInfo
- Publication number
- WO2001061112A1 WO2001061112A1 PCT/JP2001/001145 JP0101145W WO0161112A1 WO 2001061112 A1 WO2001061112 A1 WO 2001061112A1 JP 0101145 W JP0101145 W JP 0101145W WO 0161112 A1 WO0161112 A1 WO 0161112A1
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- Prior art keywords
- light
- case
- lid
- emitting diode
- edge
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
- F21S9/037—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit and the lighting unit being located within or on the same housing
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/553—Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members
- E01F9/559—Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members illuminated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/022—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a floor or like ground surface, e.g. pavement or false floor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
- H05B45/12—Controlling the intensity of the light using optical feedback
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- 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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/04—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for waterways
-
- 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]
-
- 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
- F21Y2115/20—Electroluminescent [EL] light sources
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Definitions
- the present invention is used for a center line, an outside line, a stop line, a pedestrian crossing, and the like of a road, and draws attention to a vehicle driver or a pedestrian to guide a line of sight.
- the present invention relates to a self-luminous marking system for performing this sign. Background art
- An example of a road marking device is a buried self-luminous road II.
- This type of road is equipped with a light-transmitting member made of a lens made of a synthetic resin such as polycarbonate, and a light-emitting unit provided with a light-emitting body and a power storage device installed below the light-transmitting member.
- the luminous body emits light by the generated electric power, and the emitted light is transmitted through the light transmitting member and emitted to the outside.
- the center line emits light at night or when traveling in a tunnel, making it easier to travel.
- the road marking device detects the illuminance in the road environment and controls the luminous body so that the luminous body emits light of a necessary luminance.
- the illuminance is detected using a configuration using the output of a solar cell or a configuration using a commercially available general illuminance sensor.
- a battery 125 or a solar battery 126 is generally used as a power source, and when a solar battery 126 is used, a storage battery 127 that charges electromotive force generated during the day is provided. ing. In this case, when no light is incident on the solar cell 126 and no electromotive force occurs at night, the output of the solar cell 126 decreases.
- the day and night discrimination circuit 1 23 determines the road environment as illuminance corresponding to “night”, drives the light emitting diode drive circuit 1 2 2, and outputs the light from the storage battery 1 2 7. Electric power is supplied to the light emitting diode 120 by the power supply circuit 124 so that the light emitting diode 120 emits light.
- an illuminance sensor 121 is provided separately.
- the illuminance sensor 1 21 detects the illuminance of the road environment. Based on the detection output, the day / night discriminating circuit 1 2 3 emits light when the road environment is determined to be illuminated at night.
- the diode drive circuit 122 is driven, and the power from the battery 125 is supplied to the light emitting diode 120 by the power supply circuit 124 so that the light emitting diode 120 emits light.
- a road marking device that prevents damage to the translucent member as much as possible and has a waterproof mechanism
- Another object of the present invention is to provide a self-luminous indicator system capable of reducing the size and cost of the device. Disclosure of the invention
- a road marking device of the present invention includes a case having a bottomed cylindrical shape with one of its bottom surfaces opened, a lid having an opening attached to an opening of the case,
- a self-luminous indicator system including a power storage device housed in a case, a luminous body that emits light when power is supplied from the power storage device, and a circuit for driving the luminous body; and light from the luminous body.
- a light-transmitting member that transmits the light to the outside, and the light-transmitting member is fixed between the lid and the case in a state where the peripheral edge portion is held, and the lid is It is characterized in that a part thereof is provided so as to protrude outward from the opening.
- the translucent member is fixed between the lid and the case with the peripheral portion thereof held, and the translucent member is not mounted by passing screws or bolts through the translucent member.
- the translucent member since most of the translucent member has a structure covered with a lid, the translucent member also has a protection function for a translucent member having poor mechanical strength.
- the case is formed with an edge horizontally projecting outward from an upper peripheral edge of the case, and a rising portion extending vertically from a predetermined portion of the edge.
- a bent portion is formed so as to be in close contact with the outer periphery of the rising portion.
- the case is covered with the lid in a state where the outer periphery of the rising portion is in close contact with the bent portion, and the light transmitting member is A configuration in which the peripheral portion is held and fixed while being sandwiched between the above-described edge portion, the inner periphery of the rising portion, and the lid may be adopted.
- a packing material is inserted between an outer peripheral wall of the light transmitting member and the rising portion, and the light transmitting member is connected to the upright through the packing material.
- the light transmitting member may be configured to press the raised portion, or a concave portion may be provided on the outer peripheral wall of the light transmitting member, a packing material may be inserted into the concave portion, and the light transmitting member may be inserted through the packing material. It may be configured to press the rising portion.
- the inside of the case is shut off from the outside and is sealed, so that a structure with sufficient waterproofness can be obtained.
- the fastening force between the light transmitting member and the case can be improved and the waterproof function can be maintained, a structure having both excellent light emitting function and waterproof function can be obtained.
- a screw groove is formed on an outer peripheral surface of the rising portion and an inner peripheral surface of the bent portion, and these screw grooves are screwed to each other.
- a concave portion is formed on at least one of the outer peripheral surface of the rising portion and the inner peripheral surface of the bent portion, and a packing material is inserted into the concave portion, or the outer peripheral surface of the rising portion and the inner peripheral surface of the bent portion are formed. Are formed by fitting these projections with each other, or a bolt that penetrates with the inner peripheral surface of the bent portion closely attached to the outer peripheral surface of the rising portion.
- a hole is formed in the rising portion and the bent portion, and a bolt is screwed into the bolt hole, or the upper surface of the edge portion and the bent portion are formed.
- a bolt hole penetrating the edge portion and the lower end surface is formed in the edge portion and the bent portion, respectively, and a bolt is screwed into the bolt hole.
- the lid body is formed with a flange portion whose lower end of the bent portion projects horizontally outward, and a structure in which a panel steel is sandwiched between the flange portion and the edge portion in a state of being tightly attached can be appropriately selected. .
- the fixing can be performed with a simple configuration and the mechanical strength can be maintained without applying a stress load to the translucent member disposed inside.
- the self-luminous signage system of the present invention includes a first light-emitting diode for emitting light when the road environment is less than a certain amount of light, and the first light-emitting diode.
- a battery that supplies power to the diode, a driving circuit that drives and controls the first light emitting diode, and a second light emitting diode that is installed without applying a voltage so as to generate an electromotive force due to the incidence of light.
- a light quantity discriminating circuit for discriminating whether or not the road environment is less than a certain light quantity based on the electromotive force of the second light emitting diode, and controlling the operation of the drive circuit based on the discrimination result of the light quantity discriminating circuit. And a switch circuit.
- the second light-emitting diode continuously generates an electromotive force for a predetermined time due to the incidence of light, so that the light amount determination circuit starts operating.
- a solar cell and a power storage device may be used instead of the battery.
- the light emitting diode is a crystal having a PN junction
- the second light emitting diode in a usage mode in which no voltage is applied, when light is incident on the second light emitting diode, free Electric charges are generated and converted into electrical energy, generating electromotive force.
- the first light emitting diode is configured to be driven, and such a series of operations is automatically performed.
- FIG. 1 is a front view showing a first embodiment of a buried type self-luminous road ⁇ of a road marking device of the present invention.
- FIG. 2 is a sectional view of the first embodiment.
- FIG. 3 is an exploded view of the first embodiment.
- FIG. 4 is an explanatory view showing a second embodiment of the buried type self-luminous road ⁇ of the road marking device of the present invention.
- FIG. 5 is an explanatory diagram showing a third embodiment of the buried type self-luminous road ⁇ of the road marking device of the present invention.
- FIG. 6 is an explanatory diagram showing a fourth embodiment of the buried type self-luminous road ⁇ of the road marking device of the present invention.
- FIG. 7 is an explanatory view showing a fifth embodiment of the buried type self-luminous road ⁇ of the road marking device of the present invention.
- FIG. 8 is an explanatory view showing a sixth embodiment of the buried type self-luminous road town of the road marking device of the present invention.
- FIG. 9 is a block diagram showing an embodiment of a self-luminous marking system used in the road marking device of the present invention.
- FIG. 10 is a diagram for explaining the operation of the embodiment of the self-luminous marking system of the present invention.
- FIG. 11 is a circuit diagram of an embodiment of the self-luminous marking system of the present invention.
- FIG. 12 is a block diagram for explaining a conventional technique. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a front view showing a first embodiment of a buried type self-luminous road town of a road marking device of the present invention.
- FIG. 2 is a cross-sectional view of the first embodiment.
- FIG. 3 is an exploded view of the first embodiment.
- the road bridge 1 has a bottomed cylindrical case 3 with one of its bottoms opened, a top cover 21 attached to the opening of this case 3, and a bend that bends vertically from this top cover 21.
- a lid having an opening 22 in the upper lid 21 and a cavity 26 surrounded by the upper lid 21 and the bent portion 22
- the case 3 has an edge 31 projecting horizontally outward from the upper edge of the case 3 and a rising portion 33 extending vertically from a predetermined portion of the edge 31 over the entire circumference of the edge 3 1.
- the lid 2 is formed with a bent portion 22 that is in close contact with the outer periphery of the rising portion 33 and is bent vertically from the upper lid portion 21.
- the screw groove 35 is engraved with the screw groove 35, and the screw groove is screwed together, so that the lid 2 is fixed in a state of being in close contact with the case 3.
- the lid 2 and the case 3 are made of a metal such as iron or aluminum.
- a power storage device 6 is housed in the case 3, and a luminous body 51 that emits light when power is supplied from the power storage device 6 and a circuit for driving the luminous body 51 are mounted on the case 3.
- a light emitting unit 5 having a circuit board 52, and a light transmitting member 4 that transmits light from the light emitting body 51 and emits the light to the outside.
- the power storage device 6 includes a battery such as a lithium battery, a lead storage battery, and a charging device such as an electric double layer capacitor.
- the solar cell may be arranged below the light transmitting member 4 so that the power of the solar cell generated by the sunlight transmitted through the light transmitting member 4 is charged in the power storage device 6.
- the present invention is not particularly limited, and solar cells may be installed separately from the road town.
- a light emitting diode, a halogen lamp, a metal halide lamp, a cathode ray tube, an electron luminescence, a xenon lamp or the like is appropriately used.
- the luminous body 51 is arranged in a hollow portion 43 formed in the light transmitting member 4.
- the light transmitting member 4 is made of a material having a light transmitting property, for example, a synthetic resin such as polycarbonate, acryl resin, hard polychlorinated vinyl or glass. Further, the hollow portion 43 described above is provided inside the translucent member 4, and a concave portion 41 into which a packing material 42 as a waterproof mechanism is fitted is provided on the outer peripheral wall. I have. In this structure, since the packing material 42 is inserted into the concave portion 41 and is installed so as to press the rising portion 33 of the case 3, it is possible to prevent water from entering the inside of the road 1 from outside. Note that the recess 4 1 The mounting of the packing material 42 is facilitated by the use of the packing material 42, and the packing material 42 is not moved. The packing material 42 may press the rising portion 33 of the case 3. When the concave portion 41 is provided, a similar concave portion may be provided in the rising portion 33 of the case 3 so that the packing material 42 fits into both concave portions.
- a synthetic resin such as polycarbonate, acryl resin
- the light-transmitting member 4 is interposed between the lid 2 and the case 3, and its peripheral edge is formed by the flat portion 21 1 of the upper lid 21, the edge 31 of the case 3, and the rising portion 33.
- the cover 2 is provided so as to be fixed and a part thereof protrudes outward from the opening 25 of the cover 2.
- the projecting height is generally about 1.5 to 10 mm, preferably 1.5 to 7 mm, and more preferably 1.5 to 5 mm. It is not limited.
- the concave portion 2 2 1 (3 3 3) is formed on at least one of the inner peripheral surface of the bent portion 22 of the lid 2 and the outer peripheral surface of the rising portion 33 of the case 3. 1) is formed, and the lid 2 is fixed to the case 3 by inserting the packing material 7 into the recess 2 2 1 (3 3 1).
- the third embodiment shown in FIG. In the embodiment, the projection 8 1 is formed on the outer peripheral surface of the rising portion 3 3 of the case 3, and the projection 8 2 is formed on the inner peripheral surface of the bent portion 2 2 of the lid 2 so as to engage with the projection 8 1. I have.
- the lid 2 is fixed to the case 3 by engaging the projections 81 and 82 with each other.
- a port hole 91 that penetrates the outer peripheral surface of the rising portion 33 of the case 3 with the inner peripheral surface of the bent portion 22 closely attached thereto is provided. They are formed at the rising portion 33 and the bent portion 22, respectively. By screwing bolts 9 into these port holes 91, the lid 2 is fixed in a state of being in close contact with the case 3.
- the edge 31 and the lower end surface 22 of the bent portion 22 are brought into close contact with each other, and the edge 31 and the lower end surface 222 are penetrated.
- the bolt holes 91 are formed in the edge 31 and the bent portion 22, respectively.
- the lid 2 is formed with a flange 23 whose lower end of the bent portion 22 protrudes horizontally outward.
- the flange 23 and the edge 3 With 1 in close contact, sandwich it between spring steel 92. With the panel steel 92, the lid 2 is fixed to the case 3 in close contact with the case 3.
- the luminous body unit 5 and the power storage device 6 are provided as components for causing the luminous body 51 forming the sign of the road marking device to emit light. This configuration, that is, the self-luminous indicator system will be described in more detail.
- FIG. 9 is a block diagram showing the configuration of the self-luminous marking system of the present embodiment.
- FIG. 10 is a diagram for explaining the operation.
- This self-luminous signage system generates a light-emitting unit 800 with a first light-emitting diode 8001, which emits light when the road environment is less than a predetermined light amount, and generates an electromotive force based on the incidence of visible light.
- a second light emitting diode 100 used in a state where no voltage is applied is provided.
- the light emitting diode is a crystal having a PN junction. This is a usage mode in which no voltage is applied. In other words, when light is incident on the second light emitting diode 100, a free charge is generated and converted into electric energy to generate an electromotive force.
- the second light emitting diode 100 based on such a principle can emit a certain amount of light. When an amount is incident, it generates an electromotive force.
- the light amount above a certain level is set according to the road environment, for example, the illuminance value is set in a range of 30 to 300 lux, and the time is set in a range of several 10 seconds to 10 minutes. It means that light with an illuminance value or more is continuously emitted for a set time or more.
- Discrimination circuit 200 a timer circuit provided with a switch circuit 310 for performing “ON” and “OFF” of the light emission of the first light emitting diode 801 based on the discrimination result of the light quantity discrimination circuit 200
- the light emitting diode driving circuit 400 drives the first light emitting diode 8101 when the switch circuit 310 is not locked.
- the switch circuit 310 is locked when the second light emitting diode 100 generates an electromotive force, and the light amount discrimination circuit 200 detects this electromotive force.
- a solar cell 600 having a battery 500 and a storage battery 600 is provided as a power supply, and the light emitting diode drive circuit 400 supplies power of the battery 500 or the storage battery 600 to a power supply circuit 7.
- the first light-emitting diode 81 is supplied to the first light-emitting diode 81 through the first light-emitting diode 81.
- the light amount determination circuit 200 determines that the road environment is “daytime” based on the generated electromotive force.
- the switch circuit 310 included in the timer circuit 300 is locked based on the result of the determination of "daytime”, so that the light emission of the light emitting section 800 is set to "OFF", and the light emitting function is not activated. Stop.
- the light amount determination circuit 200 determines that the road environment is “night” based on the electromotive force. Based on the result of this “night” discrimination, the switch circuit 310 The power supply switch 710 is turned ON and the battery 500 or the sun is irradiated, and the storage battery 601 charged by the solar battery 600, and the power supply circuit 710 is released. Power is supplied through the light emitting diode 0, the light emitting diode drive circuit 400 is driven, and power is supplied to the light emitting unit 800, so that the first light emitting diode 8001 emits light.
- ⁇ daytime '' and ⁇ nighttime '' do not mean the normal meaning of a cycle in a day, and the light amount in the road environment is defined as ⁇ daytime '' when the light amount is a certain level or more. When the light intensity is less than the above, it is regarded as “night”.
- a luminance adjustment signal for controlling the light emission mode such as lighting and blinking of the first light emitting diode 811, and adjusting the luminance. Is output to the diode drive circuit 400. Therefore, based on the luminance adjustment signal, the diode drive circuit 400 controls the first light emitting diode 8101 to emit light with appropriate luminance and light emission mode according to the road environment.
- Fig. 10 shows a series of main operations in this system at each stage.
- this system is stored in the packing box, and only the timer circuit 300 is operating.
- the power supply circuit 700 and the light emitting diode drive circuit 400 are It does not work and therefore the light emitting diode 8101 does not emit light.
- the light is set, for example, with an illuminance value in the range of 30 to 300 lux and a time in the range of several 10 seconds to 10 minutes, and light having a value equal to or higher than the set illuminance value is set.
- the timer circuit 300 operates by the operation of the light amount discriminating circuit 200 and becomes “ON”. Once the light amount discrimination circuit 200 is activated, the timer circuit 300 is disconnected from the subsequent operations. It is.
- FIG. 11 is a circuit diagram of an embodiment of the self-luminous indicating system of the present invention, and a circuit diagram corresponding to each block shown in FIG. 9 is shown in detail. The details will be described below with reference to this circuit diagram.
- a case in a general road environment where sunlight is applied will be described as an example.
- the second light emitting diode 100 has a configuration in which two light emitting diodes 101 and 102 are connected in series. When sunlight of a certain amount or more enters the light emitting diodes 101 and 102, an electromotive force is generated. The voltage detected at this time is amplified by the operational amplifier 201, and then the voltage of the second light emitting diode 100 is managed while the output is shaped by the AND circuit 202. Next, a determination is made as to whether the road environment is “daytime” or “nighttime”.
- the electromotive force is charged in the capacitor 303.
- the electromotive force of the second light emitting diode 100 is controlled by the charge capacity of the capacitor 303.
- the switch of the second light emitting diode 100 is locked by the diode 304.
- the power supply circuit 700 and the light emitting diode drive circuit 400 do not operate, and the light emitting section 800 does not emit light.
- a pilot lamp (not shown) is separately connected, the state of the pilot lamp can be reliably recognized by the blinking of the pilot lamp.
- the capacitor 303 having a capacity equal to or greater than a certain value is discharged at a predetermined timing by the rapid-discharge diode 301 for a discharge time based on the time constant resistor 302 for the light-emitting diode switch timer.
- the operation in the light amount determination circuit 200 is stopped. Since the voltage amplification of the amplifier 201 is not performed, it is determined in the AND circuit 202 that it is “nighttime”. If it is determined to be “nighttime”, the second light emitting diode 100 is released from the wake-up state by the diode 304 and the sunset mode FET 306 is activated by the AND circuit 305. Then, the power supply circuit 700 is turned “ON”.
- the LED drive circuit 400 has a capacitor 410, a lighting diode for determining the lighting time of the light emitting diode, a time constant resistor 402, a reverse voltage removing diode 400, and a light emitting diode flashing.
- An FET 404 is provided, and power from the battery 500 is controlled by the light emitting diode drive circuit 400 and supplied to the light emitting section 800.
- the light emitting section 800 is composed of a first light emitting diode 800 1 and a light emitting diode current limiting resistor 800 2, and has a luminance based on a control signal output from the light emitting diode drive circuit 400.
- the first light emitting diode emits light in the light emitting state (lit or blinking).
- a function as a sunset sensor of the second light-emitting diode 100 can be mentioned as a single configuration that can be applied.
- the function of this sunset sensor is to detect sunlight in general, and if it detects an illuminance less than the illuminance value set in the range of, for example, 30 to 300 lux according to the road environment, it detects "night" Then, the light emitting operation of the first light emitting diode is started, and the brightness of the first light emitting diode is switched or adjusted.
- illuminance equal to or greater than an illuminance value set in a range of, for example, 30 to 300 lux is detected in accordance with the road environment, "daytime" is detected, and the light emitting operation of the first light emitting diode is stopped. Or to switch the light emission of the first light emitting diode. Further, a function of automatically turning on the power switch, which includes the second light emitting diode 100, the light amount discriminating circuit 200, the timer circuit 300, and the like, can be given.
- This self-luminous signage system does not have the disadvantage of using a conventional illuminance sensor or the output of a solar cell to detect the amount of light in the road environment, and has a simple configuration using a light-emitting diode. It is easy to reduce the size and the cost while maintaining the accuracy of the above.
- the present self-luminous signage system is applied to the buried type self-luminous road ⁇ of the present embodiment (the first to sixth embodiments), but is not limited thereto.
- the present invention can be applied to various other road marking devices. Industrial applicability
- the road marking device of the present invention has a function of protecting the light-transmitting member, and is useful in that it has excellent durability. Further, the self-luminous signage system of the present invention is useful in that it can be made compact with a simple configuration and can achieve low cost.
- the self-luminous marking system can be applied to various road marking devices, and if applied to the road marking device of the present invention, a synergistic effect is expected. You can wait,
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/959,552 US6726398B2 (en) | 2000-02-17 | 2001-02-16 | Road sign device and spontaneously emitted light sign system used for the device |
DE60122256T DE60122256T2 (de) | 2000-02-17 | 2001-02-16 | Selbstleuchtendes Markierungssystem und Strassenmarkierungselement mit diesem System |
JP2001559940A JP3818439B2 (ja) | 2000-02-17 | 2001-02-16 | 道路用標示装置及びこの装置に用いられる自発光標示システム |
EP01904525A EP1179637B1 (en) | 2000-02-17 | 2001-02-16 | Self-luminous marking system and road marking device with this system |
AU32331/01A AU3233101A (en) | 2000-02-17 | 2001-02-16 | Road sign device and spontaneously emitted light sign system used for the device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000/38995 | 2000-02-17 | ||
JP2000038995 | 2000-02-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001061112A1 true WO2001061112A1 (fr) | 2001-08-23 |
Family
ID=18562637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/001145 WO2001061112A1 (fr) | 2000-02-17 | 2001-02-16 | Dispositif de signaux routiers et systeme de signaux lumineux a emission spontanee utilise dans ce dispositif |
Country Status (8)
Country | Link |
---|---|
US (1) | US6726398B2 (ja) |
EP (1) | EP1179637B1 (ja) |
JP (1) | JP3818439B2 (ja) |
CN (2) | CN1161516C (ja) |
AU (1) | AU3233101A (ja) |
DE (1) | DE60122256T2 (ja) |
ES (1) | ES2269345T3 (ja) |
WO (1) | WO2001061112A1 (ja) |
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- 2001-02-16 JP JP2001559940A patent/JP3818439B2/ja not_active Expired - Fee Related
- 2001-02-16 DE DE60122256T patent/DE60122256T2/de not_active Expired - Fee Related
- 2001-02-16 ES ES01904525T patent/ES2269345T3/es not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
EP1179637B1 (en) | 2006-08-16 |
US6726398B2 (en) | 2004-04-27 |
DE60122256T2 (de) | 2007-08-30 |
CN1161516C (zh) | 2004-08-11 |
CN1363007A (zh) | 2002-08-07 |
EP1179637A1 (en) | 2002-02-13 |
ES2269345T3 (es) | 2007-04-01 |
DE60122256D1 (de) | 2006-09-28 |
JP3818439B2 (ja) | 2006-09-06 |
AU3233101A (en) | 2001-08-27 |
CN1563591A (zh) | 2005-01-12 |
US20020159834A1 (en) | 2002-10-31 |
EP1179637A4 (en) | 2005-04-27 |
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