WO2017115403A1 - 信号灯器 - Google Patents
信号灯器 Download PDFInfo
- Publication number
- WO2017115403A1 WO2017115403A1 PCT/JP2015/086475 JP2015086475W WO2017115403A1 WO 2017115403 A1 WO2017115403 A1 WO 2017115403A1 JP 2015086475 W JP2015086475 W JP 2015086475W WO 2017115403 A1 WO2017115403 A1 WO 2017115403A1
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- WO
- WIPO (PCT)
- Prior art keywords
- signal lamp
- heat generating
- unit
- glass
- opening
- Prior art date
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Classifications
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- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/90—Heating arrangements
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
-
- 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
Definitions
- the present invention relates to a signal lamp.
- the heating element on the inner surface of the cover main body described in Patent Document 1 is a band-shaped metal, and when viewed from a distance, the light emitting portion of the signal lamp device due to the LED luminous element is shielded by the band-shaped heating element, so There has been a problem that there may be a problem in visibility. There is also a problem that the effect of preventing snow accretion is not sufficient because the area where heat is generated by the heating element is small with respect to the light emitting portion. In addition, the shape of the heating element is complicated and the manufacturing cost is high, and it is difficult to attach the heating element to the cover body.
- a signal lamp for emitting a signal lamp includes a light emitter unit having a light emitter that is a light source of the signal lamp, and the light emitter unit is accommodated And a conductive thin film disposed on the optical path of the signal light emitted by the light emitter unit in the housing, and having a light-transmitting property on the surface, and a pair of electrodes on the conductive thin film
- a signal lamp equipped with a heat generating unit that has a high effect of preventing snow accretion and does not impair visibility even during snowfall by uniformly heating a wide area of the display portion of the signal lamp. It becomes possible to do.
- FIG. 1 is a front view of a first example of a signal lamp device 1 according to an embodiment of the present invention.
- FIG. 2 is a top view of the signal lamp device 1 according to the first embodiment.
- FIG. 3 is a rear view of the signal lamp device 1 of the first embodiment.
- FIG. 4 is a right side view of the signal lamp device 1 according to the first embodiment.
- FIG. 5 is a left side view of the signal lamp device 1 of the first embodiment.
- FIG. 6 is a front view of the main body 10 of the signal lamp device 1 of the first embodiment.
- FIG. 7 is a right side view of the main body 10 of the signal lamp device 1 according to the first embodiment.
- FIG. 8 is a cross-sectional view taken along line AA of the signal lamp device 1 of the first embodiment.
- FIG. 9 is a rear view of the opening / closing lid portion 300 of the signal lamp device 1 according to the first embodiment.
- FIG. 10 is a longitudinal sectional view of the opening / closing lid portion 300 of the signal lamp device 1 according to the first embodiment.
- FIG. 11 is a cross-sectional view taken along line BB of the signal lamp device 1 according to the first embodiment.
- FIG. 12 is a partial cross-sectional view of the heat generating unit 140 of the signal lamp device 1 according to the first embodiment.
- FIG. 13 is a rear view of the opening / closing lid portion 100 of the signal lamp device 1 according to the first embodiment.
- FIG. 14 is a rear view of the signal lamp 1 according to the first embodiment with the light emitter unit and the spacer of the opening / closing lid 100 removed.
- FIG. 15 is a longitudinal sectional view of the opening / closing lid portion 100 of the signal lamp device 1 according to the first embodiment.
- FIG. 16 is a rear view of the opening / closing lid portion 100 of the signal lamp device 1 according to the first embodiment.
- FIG. 17 is a longitudinal sectional view of the spacer 150 of the signal lamp device 1 of the first embodiment.
- FIG. 18 is a front view of the spacer 150 of the signal lamp device 1 according to the first embodiment.
- FIG. 19 is a rear view of the opening / closing lid portion 200 of the signal lamp device 1 according to the first embodiment.
- FIG. 20 is a rear view of the signal lamp device 1 according to the first embodiment with the light emitting unit and the spacer removed from the opening / closing lid portion 200.
- FIG. 21 is a rear view of the opening / closing lid portion 200 of the signal lamp device 1 according to the first embodiment.
- FIG. 22 is a front view of the spacer 250 of the signal lamp device 1 according to the first embodiment.
- FIG. 23 is a front view of the signal lamp device 1A of the second embodiment.
- FIG. 24 is a DD cross-sectional view of the signal lamp device 1A of the second embodiment.
- FIG. 25 is a rear view of the opening / closing lid portion 400 of the signal lamp device 1A of the second embodiment.
- FIG. 26 is a rear view of the signal lamp 1A according to the second embodiment with the light emitting unit of the opening / closing lid 400 removed.
- FIG. 26 is a rear view of the signal lamp 1 ⁇ / b> A of the modification of the second embodiment with the light emitter unit removed from the opening / closing lid 400.
- FIG. 28 is a front view of the main body case 10A of the signal lamp device 1A of the second embodiment.
- FIG. 29 is a right side view of the main body case 10A of the signal lamp device 1A of the second embodiment.
- FIG. 30 is a front view showing an example of an opening / closing lid packing used in the signal lamp device 1 of the first embodiment.
- FIG. 31 is a front view showing an example of an annular glass packing on the opening / closing lid side used in the opening / closing lid portion 100 of the signal lamp device 1 of the first embodiment.
- FIG. 32 is a front view showing an example of an annular glass packing on the spacer side used in the opening / closing lid portion 100 of the signal lamp device 1 of the first embodiment.
- FIG. 33 is a front view showing an example of a rectangular glass packing on the opening / closing lid side used in the opening / closing lid portion 200 of the signal lamp device 1 of the first embodiment.
- FIG. 34 is a front view showing an example of a rectangular glass packing on the spacer side used in the opening / closing lid portion 200 of the signal lamp device 1 of the first embodiment.
- FIG. 35 is a partial cross-sectional view showing a modified example of the heat generating unit 140.
- FIG. 36 is a partial plan view showing a modification of the heat generating unit 140.
- FIG. 37 is a rear view of the opening / closing lid 200 having a modification of the heat generating unit 140 with the light emitter unit removed.
- FIG. 1 is a front view of a three-lamp type signal lamp 1 according to the present embodiment (hereinafter simply referred to as “signal lamp 1”)
- FIG. 2 is a top view of the signal lamp 1
- FIG. 3 is a rear view of the signal lamp 1.
- 4 shows a right side view of the signal lamp device 1
- FIG. 5 shows a left side view of the signal lamp device 1.
- the number of lights may be a single light or a number other than three.
- the signal lamp 1 is a general horizontally long signal lamp configured to be lit in three colors of red, yellow, and blue.
- the signal lamp 1 is provided with three light emitting units 110, 210, and 310 having a diameter of about 30 cm.
- the light emitting unit 110 emits yellow light
- the light emitting unit 210 emits red light
- the light emitting unit 310 emits blue light.
- the light emitting units 110 to 310 are housed in independent front and rear rectangular open / close lids 100 to 300 (accommodating units), respectively, and three rectangular planes that accommodate the light sources and the like provided in the open / close lids 100 to 300, respectively. It is attached to a main body 10 having a concave portion 14 in shape.
- FIG. 6 shows a front view of the main body 10
- FIG. 7 shows a right side view of the main body 10.
- the specific shapes / dimensions, materials, etc. of the open / close lid portions 100 to 300 and the main body 10 constituting the signal lamp device 1 can be determined according to relevant laws and regulations.
- the light emitting portions 110 to 310 of the signal lamp device 1 are provided in the trunk portions 120 to 320 protruding from the front surfaces of the open / close lid portions 100 to 300, respectively.
- the body portions 120 and 320 have a cylindrical cross section, and the body portion 220 has a square cross section.
- the cross-sectional shape of the body portions 120 to 320 corresponds to the planar shape of a heating element (described later) used for the light emitting portions 110 to 310.
- a substantially arc-shaped hood 20 is attached around each of the light emitting units 110 to 310 to block the direct sunlight on each lamp to prevent the visibility from being lowered, or the light emitting units 110 to 310 in the event of snowfall. The snowfall to 310 is suppressed.
- the open / close lid portions 100 to 300 are attached to the main body 10 by a hinge portion 50 so as to be openable and detachable with respect to the groove portion 16 of the main body 10. It is configured to be fixed to the formed hole portion 42.
- brackets 30 are provided for fixing the main body 10 to the mounting posts of the signal lamp device 1.
- an opening 12 for taking out cables from the light emitting units 110 to 310 to the outside of the signal lamp unit 1 is provided on the back surface of the main body 10.
- Each opening 12 can be provided with appropriate bushes, seals and the like in order to prevent intrusion of rainwater, foreign matter and the like into the main body 10.
- the three-lamp signal lamp device 1 illustrated in FIG. 1 and the like is assumed to include light emitting units 110 to 310 having different configurations for the convenience of explanation of the present invention.
- the opening / closing lid portion 300 including the light emitting unit 310 has a conventional general configuration that does not include a special heating element for suppressing snow accumulation on the light emitting unit 310.
- the opening / closing lid portion 100 including the light emitting unit 110 includes a heating element having a circular planar shape
- the opening / closing lid portion 200 including the light emitting unit 210 includes a heating element having a substantially square planar shape.
- FIG. 8 shows a cross-sectional view of the opening / closing lid portion 300 of the signal lamp device 1. This corresponds to the AA cross section of FIG.
- the opening / closing lid portion 300 is attached to the main body case 10 by the hinge portion 50 so as to be opened and closed.
- a packing 60 is provided on a surface of the opening / closing lid 300 in close contact with the main body 10 so as to surround the outer periphery of the concave portion 14 of the opposing main body 10, so that the opening / closing lid 300 is in close contact with the main body 10 in a sealed state.
- the packing 60 is formed of a synthetic resin material or the like having appropriate mechanical properties.
- FIG. 30 shows a front view of the packing 60.
- the light emitter unit 70 is attached to the back surface of the opening / closing lid portion 300 by attachment bolts 72.
- the light emitter unit 70 accommodates a circuit board on which an LED as a light source is mounted, and a convex cover 80 that is a light-transmissive member for condensing is provided on the front surface.
- the opening / closing lid portion 300 is provided with a body portion 320 that protrudes in a cylindrical shape, and an annular convex portion 322 is further provided on the front surface thereof.
- the hood 20 is fixed to the outer periphery of the annular protrusion 322 by an appropriate fixing means.
- FIG 9 is a rear view of the opening / closing lid portion 300, and the rear surface of the light emitting unit 70 can be seen, and a groove portion 62 for receiving the packing 60 is provided on the outer peripheral portion in contact with the main body 10, and the packing 60 is fitted.
- the hole 44 is provided for inserting a fixing screw 40 for fixing the opening / closing lid 300 to the main body 10.
- FIG. 10 is a cross-sectional view showing the opening / closing lid portion 300 shown in FIGS. 8 and 9 as a single unit with all attachment parts removed. Since the configuration of the opening / closing lid 300 has already been described, redundant description is omitted.
- An opening 330 is provided inside the body 320 of the opening / closing lid 300, and light emitted from the light emitter unit 70 is emitted from the opening 330 to the outside via the convex cover 80.
- FIG. 11 shows a cross-sectional view of the opening / closing lid portion 100 of the signal lamp device 1. This corresponds to the BB cross section of FIG.
- a heating unit 140 as a heating element is provided in front of the light emitting unit 70 and the convex cover 80.
- the heat generating unit 140 has a circular planar shape, and is sandwiched between a pair of annular glass packings 141 and 143 (described later) from both sides.
- the annular glass packings 141 and 143 are formed of a synthetic resin material or the like having appropriate mechanical properties.
- FIG. 31 shows a front view of an annular glass packing 141 provided between the heat generating unit 140 and the opening / closing lid 100.
- FIG. 32 is a front view of the annular glass packing 143 provided between the heat generating unit 140 and the spacer 150.
- the annular glass packing 143 is provided with a lead wire extraction hole 143 ⁇ / b> A for extracting a lead wire 145 (described later) of the heat generating unit 140.
- the heat generating unit 140 includes a heat generating glass 140A formed by forming a light-transmitting conductive thin film 140A1 on the surface of a plate-like transparent glass and a float glass 140B which is a transparent plate-like glass, and the conductive thin film 140A1 is located inside. In this way, they are integrally bonded through an intermediate film 140C made of polyvinyl butyral (PVB), ethylene vinyl acetate (EVA) resin or the like.
- the conductive thin film 140A1 is provided with an electrode 149 formed of a conductive tape, silver paste or the like, and the lead wire 145 is mechanically and electrically connected by solder 145A.
- the electrode 149, the lead wire 145, and the solder 145A are sealed with a silicon sealant 144 so as to fill the stepped portion of the glass.
- the lead wire 145 is connected to a commercial AC power source (not shown) via an appropriate switch, contactor, etc., and supplies an AC current to the conductive thin film 140A1 of the heat generating unit 140 as necessary to generate heat. Due to the heat generated by the heat generating unit 140, it is possible to effectively prevent snow from forming on the outer surface of the signal lamp 1 of the heat generating unit 140.
- the heat generating unit 140 is installed between the inner end surface of the body portion 120 of the opening / closing lid portion 100 and the spacer 150 (fixing member) via the annular glass packings 141 and 143.
- the heat generating unit 140 is disposed on the optical path of the light emitted from the light emitter unit 70.
- 17 and 18 show a configuration example of the spacer 150.
- FIG. FIG. 17 is a cross-sectional view through the center of the spacer 150
- FIG. 18 is a front view of the spacer 150.
- the spacer 150 is a substantially annular member having a circular hole portion 151, and is an annular plate member that includes an annular rising portion 152 along the periphery of the circular hole portion 151 and projects to the inner periphery of the annular rising portion 152.
- a ring portion 158 is formed.
- the spacer 150 can be obtained by molding with an appropriate resin material or a metal material such as die-cast. Referring to FIG. 11, the spacer 150 is installed so as to be flush with the surface of the base that is in contact with the main body 10 of the opening / closing lid 100, and is fixed to the base by screwing the bolt 101 into the bolt hole 157. The Further, the light emitter unit 70 is fixed to the ring portion 158 of the spacer 150 by screwing the bolt 72 into the screw hole 154 through the packing 71.
- the packing pressing rib 142 that is annularly provided on the inner end surface of the trunk portion 120 of the opening / closing lid portion 100 abuts on the annular glass packing 141, and the spacer 150 is raised up annularly.
- the end portion of the portion 152 abuts on the annular glass packing 143, the end portion of the portion 152 is fixed in the body portion 120 of the opening / closing lid portion 100 by the spacer 150.
- the height of the annular rising portion 152 of the spacer 150 is determined by the elastic force of the glass packings 141 and 143 between the heat generating unit 140 and the glass packings 141 and 143 between the packing holding rib 142 and the annular rising portion 152.
- the lower end portion of the heat generating unit 140 is supported by an arcuate support block 160 having elasticity so as not to be damaged by contact with the inner side surface of the trunk portion 120 of the opening / closing lid portion 100 (see, for example, FIG. 14).
- FIG. 13 shows a rear view of the opening / closing lid 100.
- the light emitter unit 70 is fixed to the spacer 150 by the bolt 72, and the spacer 150 is fixed to the base of the opening / closing lid 100 by the bolt 101. Yes.
- a packing 60 is provided along the outer periphery of the base of the opening / closing lid 100.
- the rectangular substrate of the spacer 150 is provided with two holes 155 for taking out the lead wires 145 from the heat generating unit 140.
- FIG. 14 shows the back surface of the opening / closing lid 100 with the light emitting unit 70 and the spacer 150 removed.
- the conductive thin film 140A1 provided on the heat generating glass 140A of the heat generating unit 140 is divided into eight regions by seven strip-shaped film removal portions 148.
- the film removal portion 148 is a region where the conductive thin film 140A1 is removed in a strip shape by sandblasting, and the width thereof can be appropriately determined according to the required area of the conductive thin film 140A1.
- the upper edge of the second and third regions from the right end among the eight regions formed by division is electrically connected by the conductive tape 149A, and the electrode 149 and the lead wire are connected to the conductive tape 149A.
- 145 is attached.
- the lower end of the first to fourth regions from the right end of the conductive thin film 140A1 is electrically connected by the conductive tape 149A.
- the upper end portions of the third to sixth regions from the right end of the conductive thin film 140A1 are electrically connected by the conductive tape 149A.
- the lower ends of the fifth and sixth regions from the right end of the conductive thin film 140A1 are electrically connected by the conductive tape 149A, and the electrode 149 and the lead wire 145 are attached to the conductive tape 149A. .
- the pair of lead wires 145 are connected to a commercial AC power supply (not shown) via appropriate switches, contactors, and the like.
- FIG. 14 the path of the current flowing through the conductive thin film 140A1 having the above-described configuration is schematically indicated by a wide arrow. As will be described later, in the present embodiment, an alternating voltage is applied between the electrodes 149, and thus the wide arrow shown in the drawing indicates the current direction as seen in a certain time section.
- the heat generation of about 35 W is obtained, and the temperature rise on the surface of the heat generation glass 140A is designed to be about 40 ° C.
- the electrical resistance value between the electrodes 149 is about 280 ⁇ .
- FIG. 15 and 16 show a sectional view and a rear view of the opening / closing lid 100 as a single unit.
- the configuration of the opening / closing lid 100 has already been described with reference to FIG.
- an annular packing pressing rib 142 is provided on the inner end surface of the body portion 120 so as to surround the opening 135, and the annular glass packing 141 attached to the heating glass 140 ⁇ / b> A of the heating unit 140. It is getting closer.
- the opening / closing lid 200 is different from the opening / closing lid 100 in that a heating unit 240 having a rectangular planar shape is provided as a heating element.
- the cross-sectional view taken along the line CC of the opening / closing lid 200 in FIG. 1 appears in the same manner as FIG. 11 relating to the opening / closing lid 100, and therefore illustration and description thereof are omitted.
- the heating unit 240 also has the same configuration as the heating unit 140 except that the planar shape is rectangular and the state of removal of the conductive thin film 240A1 is different as will be described later. Omitted.
- elements corresponding to the opening / closing lid portion 100 are shown by changing the reference numerals of the corresponding elements to the 200s as in the relationship between the opening / closing lid portions 100 and 200.
- the heat generating unit 240 of the opening / closing lid 200 has a rectangular planar shape, and is sandwiched by a pair of rectangular glass packings 241 and 243 from both sides thereof. 33 and 34 illustrate rectangular glass packings 241 and 243, respectively.
- the rectangular glass packing 241 disposed between the heat generating unit 240 and the opening / closing lid 200 has a rectangular plane having the same shape and size as the heat generating glass 140A of the heat generating unit 140 and corresponds to the opening 235 of the opening / closing lid 200.
- a circular opening A circular opening.
- a rectangular glass packing 243 provided on the spacer 250 side to be described later has substantially the same configuration as the rectangular glass packing 241 provided on the opening / closing lid portion 200 side, as shown in FIG. The difference is that an extraction hole 255 is provided.
- FIG. 22 shows a front view of the spacer 250.
- the spacer 250 includes a ring portion which is an annular plate member provided on a rectangular substrate having a circular hole portion 251 with an annular rising portion 252 along the periphery of the circular hole portion 251 and projecting to the inner periphery of the annular rising portion 252.
- 258 is a member formed.
- the corresponding heat generation unit 240 corresponds to the planar shape of the corresponding heat generation unit 240 being rectangular, and the bolt holes 257 for mounting the opening / closing lid portion 200 into the body portion 220 having a rectangular cross section, and the heat generation.
- the position of the lead wire extraction hole 255 from the unit 240 is determined.
- the heat generating unit 240 has an annular packing pressing rib 252 that protrudes in an annular manner on the inner end surface of the body portion 220 of the opening / closing lid portion 200, and the annular shape of the spacer 250.
- the end portion of the rising portion 252 contacts the glass packing 243, it is fixed in the body portion 220 of the opening / closing lid portion 200 by the spacer 250.
- the height of the annular raised portion 252 of the spacer 250 is such that the heat generating unit 240 and the glass packings 241 and 243 are disposed between the packing holding rib 242 and the annular raised portion 252.
- the lower end portion of the heat generating unit 240 is supported by an elastic support block 260 (see FIG. 19, similar to the support block 160) so as not to be damaged by contact with the inner surface of the body portion 220 of the opening / closing lid portion 200.
- FIG. 19 shows a rear view of the opening / closing lid 200.
- the light emitter unit 70 is fixed to the spacer 250 by a bolt 72
- the spacer 250 is fixed to the base of the opening / closing lid 200 by the bolt 201.
- a packing 202 is provided along the outer peripheral edge of the base of the opening / closing lid 200.
- the rectangular substrate of the spacer 250 is provided with two holes 255 for taking out the lead wires 245 from the heat generating unit 240.
- FIG. 20 shows the back surface of the opening / closing lid 200 with the light emitting unit 70 and the spacer 250 removed.
- the conductive thin film 240A1 provided on the heat generating glass 240A of the heat generating unit 240 is divided into five regions by four strip-shaped film removal portions 248.
- the lower edge of the second region from the right end is electrically connected by a conductive tape 249A, and an electrode 249 and a lead wire 245 are attached to the conductive tape 249A.
- the upper end portions of the first and second regions from the right end of the conductive thin film 240A1 are electrically connected by the conductive tape 249A.
- the lower end portions of the third and fourth regions from the right end of the conductive thin film 240A1 are electrically connected by the conductive tape 249A. Further, a conductive tape 249A is provided at the upper end of the fourth region from the right end of the conductive thin film 240A1, and an electrode 249 and a lead wire 245 are attached to the conductive tape 249A.
- the pair of lead wires 245 are connected to a commercial AC power source (not shown) via appropriate switches, contactors, and the like.
- FIG. 20 similarly to FIG. 14, the path of the current flowing through the conductive thin film 240A1 having the above-described configuration is schematically indicated by a wide arrow.
- the heat generating unit 140 of the opening / closing lid 100 for example, when AC100V is applied between the pair of electrodes 249, a heat of about 48 W is obtained and the temperature of the surface of the heat generating glass 240A is obtained.
- the rise is designed to be about 40 ° C.
- the electrical resistance value between the electrodes 249 is about 210 ⁇ .
- FIG. 21 shows a rear view of the opening / closing lid 200 alone. Since the cross-sectional view corresponding to FIG. 21 appears in the same manner as FIG. 15 in the opening / closing lid 100, the illustration and description thereof are omitted.
- the configuration of the opening / closing lid 200 has already been described with reference to FIGS. 11 and 19, and an annular packing pressing rib 242 is provided on the inner end surface of the body 220 so as to surround the opening 235.
- the rectangular glass packing 241 provided between the heating unit 240 and the heating glass 240A is in close contact with the heating glass 240A.
- a heating unit can be arranged in front of the light emitter unit for emitting a signal lamp, and if necessary, the heating unit can be energized to generate heat. It is possible to effectively prevent snowfall that hinders the visibility of signal lights.
- the heat generating unit is in close contact with the opening / closing lid portion and the spacer through the packing between the opening / closing lid portion and the spacer fixed to the opening / closing lid portion, the airtightness in the signal lamp device 1 is maintained, so Intrusion of rainwater etc. is effectively prevented.
- FIG. 23 shows a front view of the signal lamp 1A according to the second embodiment.
- the signal lamp 1 ⁇ / b> A is a three-lamp type signal lamp as in the first embodiment, but differs in that three light emitting sections 410 are provided in the opening / closing lid 400.
- the opening / closing lid portion 400 is fixed to the main body 10 ⁇ / b> A in a closed state by the fixing bolt 40.
- Fixing brackets 30 are provided at both ends of the main body 10A as in the first embodiment.
- FIG. 24 shows a cross-sectional view of the signal lamp 1A as seen in the DD cross section of FIG.
- the heat generating unit 440 is sandwiched between the packing pressing rib 442 formed on the inner end surface of the body portion 420 of the opening / closing lid portion 400 and the end portion of the annular raised portion 452 of the spacer 450 through the glass packings 441 and 443. Retained. At this time, the packing holding rib 442 is pressed against the glass packing 441 and the spacer 450 is pressed against the glass packing 443 to seal the inside of the signal lamp 1A.
- a packing 402 is provided between the opening / closing lid 400 and the main body 10 in order to keep the signal lamp 1A hermetically sealed, and the opening / closing lid 400 is fixed to the main body 10 by the fixing bolt 40 in a closed state. Is done.
- annular protrusions 422 are provided corresponding to the three light emitting portions 410, and the hood 20 is attached to each.
- the lower end of the heat generating unit 440 is supported by a support block 460 installed on the inner bottom surface of the body 420 so as not to be damaged by vibration or the like.
- FIG. 25 is a rear view of the opening / closing lid 400.
- the light emitting unit 70 is provided at a position corresponding to the light emitting portion 410, and is fixed to the spacer 450 by a bolt 72.
- the heat generating unit 440 is formed in a horizontally long rectangle so as to be disposed across the three light emitting units 410 in the opening / closing lid 400.
- a packing 402 that seals between the main body 10 is disposed so as to surround the three light emitting units 410.
- FIG. 26 shows a rear view in a state where the light emitter unit 70 and the spacer 450 are removed from the opening / closing lid portion 400 of the signal lamp 1A.
- the entire heat generating unit 440 having a horizontally-long rectangular planar shape is visible.
- three rows corresponding to the opening / closing lid portions 200 of the first embodiment shown in FIG. 20 are provided by providing four film removal portions 448 in regions corresponding to the three light emitting portions 410, respectively.
- the conductive regions 447 are formed between the pair of electrodes 449, respectively.
- the cross-sectional structure of the heat generating unit 440 is the same as that in FIG. 12 in the first embodiment (elements corresponding to the elements in FIG.
- FIG. 12 are given the reference numerals obtained by changing the reference numerals in FIG. 12 to the 400s. ).
- FIG. 26 similarly to FIG. 14, the path of the current flowing through the conductive thin film 440A1 having the above-described configuration is schematically indicated by a wide arrow.
- the structure of the conductive film is the same as that of the heat generating unit 240, so that heat of about 48 W is obtained and the temperature rise on the surface of the heat generating glass 140A is about 40 ° C. ing.
- the electrical resistance value between the electrodes 449 is about 210 ⁇ .
- FIG. 27 shows a modification of the heat generating unit 440 in the present embodiment.
- a pair of electrodes 449 are provided at both ends in the longitudinal direction of a horizontally long rectangular heat generating unit 440, and three rows of conductive regions 447 formed by four film removal portions 448 are arranged between the electrodes.
- the path of the current flowing through the conductive thin film 140A1 having the above-described configuration is schematically indicated by a wide arrow.
- the electrical resistance value between the electrodes 149 is about 180 ⁇ .
- FIG. 28 shows a front view of the main body 10A included in the signal lamp 1A of the second embodiment
- FIG. 29 shows a right side view thereof.
- the main body 10 ⁇ / b> A has one concave portion 14 that accommodates the three light emitter units 70 provided in the opening / closing lid portion 400, and a power supply cable from the light emitter units 70 and the heat generating glass 440 is taken out on the back surface thereof.
- the opening 12 is formed.
- Bolts 40 for fixing the opening / closing lid 400 are inserted into the holes 42.
- FIG. 34 shows a partial cross-sectional view according to a modification of the heat generating unit 140 as an example
- FIG. 35 shows a partial plan view thereof.
- a resin film 140D of an appropriate material is attached on the conductive thin film 140A1 provided on the heat generating glass 140A.
- the solder 145A connecting the electrode 149 and the lead wire 145 is covered with a silicon sealant 144.
- the heat generating unit 140 by forming the heat generating unit 140 by attaching the resin film 140D to the heat generating glass 140A, it is possible to provide an effect of preventing scattering when an impact force is applied to the heat generating glass 140A at a lower cost.
- FIG. 36 shows a rear view of the opening / closing lid 100 provided with the heat generating unit 140 according to the modified example with the light emitter unit 70 and the spacer 150 removed.
- FIG. 36 corresponds to FIG. 14 relating to the signal lamp device 1 of the first embodiment.
- the heat generating unit 140 according to this modification is an example in which one conductive region 147 made of a conductive thin film 140A1 is formed between a pair of upper and lower electrodes 149 by two film removal portions 148.
- the heat generating units 140, 240, and 440 described in the first and second embodiments use a highly transparent sheet resistance value of about 20 ⁇ / ⁇ , and the electric resistance value between the electrodes corresponds to the power supply rating and the desired heat generation amount.
- a plurality of conductive regions are formed by a large number of film removal portions 148 and the like.
- the electric resistance between the electrodes is obtained by using the heat generating glass having a surface resistance value of about 150 ⁇ / ⁇ . The number of film removal portions for adjusting the value is reduced.
- the width of the conductive region 147 is set to be approximately equal to the diameter of the light emitter unit 70, it is possible to effectively prevent snow accretion that hinders the visibility of the light emitting unit 110.
- this modification for example, when AC 100 V is applied between the pair of electrodes 149, heat generation of about 78 W is obtained, and the temperature rise on the surface of the heat generation glass 140A is about 40 ° C. In this case, the electric resistance value between the electrodes 149 is about 150 ⁇ . As a result, a sufficient snow-preventing effect on the light emitting unit 110 of the signal lamp device 1 can be obtained.
- the signal lamp according to the embodiment of the present invention by uniformly generating heat in a wide area of the display portion of the signal lamp, the effect of preventing snow accretion is high, and the visibility is also improved even during snowfall. It is possible to provide a signal lamp that is not damaged.
- the heat generating unit provided in the signal lamp device may have a circular or rectangular heat generating glass, and a surface resistance value and a conductive region of a conductive region formed by a conductive thin film between a pair of electrodes provided in the heat generating glass. If the temperature is set appropriately, the temperature rise sufficient to exhibit the effect of preventing snow accretion can be obtained for the heat generating glass.
- the conductive region formed by the conductive thin film of the heat-generating glass may be provided for each light-emitting unit or may be provided over the light-emitting units arranged in parallel.
- the heat generating unit of the signal lamp is pressed against the periphery of the opening and the heat generating unit If it comprises so that it may closely_contact
- packing formed in a flat plate shape with an elastic material can be disposed around the opening of the heating unit and the opening / closing lid and between the heating unit and the fixing member.
- the heat generating unit is a laminated glass formed by bonding the heat generating glass to a plate glass through an intermediate film, the safety of the glass can be improved by preventing the glass from scattering upon impact. . Moreover, about the said heat-emitting glass which comprises the said heat generating unit, if a resin layer is provided so that the said electroconductive thin film may be covered, cost reduction can be aimed at without impairing the glass scattering prevention effect.
- 1,1A Signal lamp 10 Main body 70 Light emitting unit 100, 200, 300, 400 Opening / closing lid part 110, 210, 310, 410 Light emitting part 140, 240, 440 Heat generating unit 140A, 240A, 440A Heat generating glass 140A1, 240A1, 440A1 Conductivity Thin Films 140B, 240B, 440B Sheet Glass 140C, 240C, 440C Intermediate Films 141, 143, 241, 243, 441, 443 Glass Packing 142, 242, 442 Packing Holding Ribs 150, 250, 450 Spacers 152, 252, 452 Ring Rising part (for spacers 150, 250, 450) 160, 260, 460 Support block
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
- Electroluminescent Light Sources (AREA)
- Surface Heating Bodies (AREA)
Abstract
Description
実施例1
まず、本発明の一実施例として、本発明の一実施形態に係る三灯式信号灯器について説明する。図1に本実施例による三灯式信号灯器1(以下単に「信号灯器1」と呼ぶ)の正面図を、図2に信号灯器1の上面図を、図3に信号灯器1の背面図を、図4に信号灯器1の右側面図を、図5に信号灯器1の左側面図を示している。なお、灯火の数は、単灯であっても3以外の複数であってもよい。
第2の実施例
次に、本発明の一実施形態に係る第2の実施例について説明する。図23に、第2の実施例による信号灯器1Aの正面図を示している。信号灯器1Aは第1実施例と同様に三灯式の信号灯器であるが、開閉蓋部400に3つの発光部410が備えられている点が異なる。開閉蓋部400は本体10Aに固定ボルト40によって閉止状態で固定される。本体10Aの両端部には、第1実施例と同様に固定用のブラケット30が設けられている。
10 本体
70 発光体ユニット
100,200,300,400 開閉蓋部
110、210、310、410 発光部
140,240,440 発熱ユニット
140A,240A,440A 発熱ガラス
140A1,240A1,440A1 導電性薄膜
140B,240B,440B 板状ガラス
140C,240C,440C 中間膜
141,143,241,243,441,443 ガラスパッキン
142,242,442 パッキン押さえリブ
150,250,450 スペーサ
152,252,452 環状立ち上げ部(スペーサ150,250,450の)
160,260,460 支持ブロック
Claims (11)
- 信号用灯火を発するための信号灯器であって、
前記信号用灯火の光源である発光体を有する発光体ユニットと、
前記発光体ユニットを収容するための収容部と、
前記収容部内において前記発光体ユニットが発する前記信号用灯火の光路上に配置され、光透過性を有する導電性薄膜が表面に形成され、当該導電性薄膜に一対の電極を介して電力を供給することにより発熱する、板状を呈する発熱ガラスを有する発熱ユニットと、
を備えている信号灯器。 - 前記発光体ユニットの発光部分が略円形に形成され、前記発熱ガラスは前記発光部分と略同一の円形に形成されており、当該導電性薄膜は前記一対の電極間において並列に接続されている一組の導電領域を形成するように分割されており、前記一対の電極間の導電領域の電気抵抗値は約280Ωであり、AC100Vを印加した場合、約35Wの発熱が得られて発熱ガラス表面の温度上昇は約40℃程度となるよう設定されている、請求項1に記載の信号灯器。
- 前記発光体ユニットの発光部分が略円形に形成され、前記発熱ガラスは前記発光部分の直径より一辺の長さが長い略正方形に形成されており、前記導電性薄膜は前記一対の電極間において並列に接続されている三組の導電領域を形成するように分割されており、前記一対の電極間の導電領域の電気抵抗値は約210Ωであり、AC100Vを印加した場合、約48Wの発熱が得られて発熱ガラス表面の温度上昇は40℃程度となるように設定されている、請求項1に記載の信号灯器。
- 前記発光体ユニットの発光部分が略円形に形成され、前記発熱ガラスは前記発光部分の直径より一辺の長さが長い略正方形に形成され、前記発熱ガラスの前記導電性薄膜は、前記一対の電極間において一の導電領域を形成しており、前記一対の電極間の導電領域の電気抵抗値は約130Ωであり、AC100Vを印加した場合、約78Wの発熱が得られて発熱ガラス表面の温度上昇は約40℃程度となるよう設定されている、請求項1に記載の信号灯器。
- 複数の前記発光体ユニットが前記収容部に並置されており、一の前記発熱ユニットが複数の前記発光体ユニットが発する信号用灯火の光路上に配置されている、請求項1に記載の信号灯器。
- 各前記発光体ユニットの発光部分が略円形に形成され、前記発熱ガラスの前記導電性薄膜は、各前記発光体ユニットを径方向に挟むように設置された前記一対の電極間において並列に接続されている三組の導電領域を形成しており、前記一対の電極間の導電領域の電気抵抗値は約210Ωであり、AC100Vを印加した場合、約48Wの発熱が得られて発熱ガラス表面の温度上昇は40℃程度となるように設定されている、請求項5に記載の信号灯器。
- 各前記発光体ユニットの発光部分が略円形に形成され、前記発熱ガラスの前記導電性薄膜は、並置された複数の前記発光体ユニットを配列方向に挟むように設置された前記一対の電極間において並列に接続されている複数の導電領域を形成するように分割されており、前記一対の電極間の導電領域の電気抵抗値は約180Ωであり、AC100Vを印加した場合、約56Wの発熱が得られて発熱ガラス表面の温度上昇は約40℃程度となるように設定されている、請求項5に記載の信号灯器。
- 前記発熱ユニットは前記収容部に設けられた開口部と前記発光体ユニットとの間において、前記開口部の周囲に対して当該発熱ユニットを押圧するとともに当該発熱ユニットに密接する固定部材によって密接されて前記開口部を液密状態に封止する、請求項1に記載の信号灯器。
- 前記発熱ユニットと前記収容部の開口部周囲、及び前記発熱ユニットと前記固定部材との間には、弾性を有する材料で平板状に形成されている封止部材が介設される、請求項8に記載の信号灯器。
- 前記発熱ユニットの前記板状発熱ガラスは中間膜を介して板状ガラスと接合されて合わせガラスを形成している、請求項1に記載の信号灯器。
- 前記発熱ユニットの前記発熱ガラスは前記導電性薄膜を覆うように設けられた樹脂層を有している、請求項1に記載の信号灯器。
Priority Applications (8)
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CA3010065A CA3010065A1 (en) | 2015-12-28 | 2015-12-28 | Traffic light device |
RU2018127661A RU2705875C1 (ru) | 2015-12-28 | 2015-12-28 | Устройство светофора |
KR1020187016996A KR20180082576A (ko) | 2015-12-28 | 2015-12-28 | 신호등기 |
PCT/JP2015/086475 WO2017115403A1 (ja) | 2015-12-28 | 2015-12-28 | 信号灯器 |
JP2017558805A JP6526241B2 (ja) | 2015-12-28 | 2015-12-28 | 信号灯器 |
EP15912069.0A EP3399512A4 (en) | 2015-12-28 | 2015-12-28 | LAMP WITNESS |
US16/066,219 US20200273331A1 (en) | 2015-12-28 | 2015-12-28 | Traffic light device |
CN201580085490.2A CN108513677A (zh) | 2015-12-28 | 2015-12-28 | 信号灯装置 |
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PCT/JP2015/086475 WO2017115403A1 (ja) | 2015-12-28 | 2015-12-28 | 信号灯器 |
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US (1) | US20200273331A1 (ja) |
EP (1) | EP3399512A4 (ja) |
JP (1) | JP6526241B2 (ja) |
KR (1) | KR20180082576A (ja) |
CN (1) | CN108513677A (ja) |
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USD998486S1 (en) * | 2021-09-17 | 2023-09-12 | Stagnoli T.G. S.R.L. | Traffic light |
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- 2015-12-28 CA CA3010065A patent/CA3010065A1/en not_active Abandoned
- 2015-12-28 WO PCT/JP2015/086475 patent/WO2017115403A1/ja active Application Filing
- 2015-12-28 KR KR1020187016996A patent/KR20180082576A/ko not_active Application Discontinuation
- 2015-12-28 RU RU2018127661A patent/RU2705875C1/ru not_active IP Right Cessation
- 2015-12-28 US US16/066,219 patent/US20200273331A1/en not_active Abandoned
- 2015-12-28 CN CN201580085490.2A patent/CN108513677A/zh active Pending
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KR20180082576A (ko) | 2018-07-18 |
CA3010065A1 (en) | 2017-07-06 |
EP3399512A4 (en) | 2019-07-31 |
RU2705875C1 (ru) | 2019-11-12 |
CN108513677A (zh) | 2018-09-07 |
US20200273331A1 (en) | 2020-08-27 |
JPWO2017115403A1 (ja) | 2018-07-12 |
JP6526241B2 (ja) | 2019-06-05 |
EP3399512A1 (en) | 2018-11-07 |
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