CN104515049A - Railway vehicle headlamp - Google Patents
Railway vehicle headlamp Download PDFInfo
- Publication number
- CN104515049A CN104515049A CN201310450232.2A CN201310450232A CN104515049A CN 104515049 A CN104515049 A CN 104515049A CN 201310450232 A CN201310450232 A CN 201310450232A CN 104515049 A CN104515049 A CN 104515049A
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- Prior art keywords
- mentioned
- lens
- light
- lamp unit
- rail truck
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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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
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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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
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- 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
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- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Abstract
The invention relates to a railway vehicle headlamp. The railway vehicle headlamp takes a light emitting element as a light source, and the light emitting element can effectively dissipate heat. The railway vehicle headlamp comprises a first lamp unit (41), a second lamp unit (51), a shell (12), wherein the first lamp unit (41)comprises a first light emitting diode (42), and a first lens (44) which takes the light radiated by the first light emitting diode (42) as a lower beam to radiate the front of a vehicle; the second lamp unit (51) comprises a second light emitting diode (52), and a second lens (54) which takes the light radiated by the second light emitting diode (52) as at least a part of an upper beam to radiate the front of a vehicle; the shell (12) forms a lamp chamber (S) for configuring the first lamp unit (41) and the second lamp unit (51); the shell (12) comprises a radiating member (15) made of metal; and the radiating member (15) is provided with a first light source carrying block (84) which is carried with the first light emitting diode (42) and a second light source carrying block (85) which is carried with the second light emitting diode (52) in the lamp chamber (S).
Description
Technical field
The present invention relates to the rail truck headlamp using light-emitting component to irradiate rail truck front.
Background technology
In the past, as the headlamp being located at rail truck, adopt the discharge lamp being provided with metal-halide lamp etc. as the projection type lamp of light source.In this rail truck headlamp, the light in the Discharge illuminating portion of discharge lamp is reflected at speculum, uses collector lens optically focused, irradiate (for example, referring to patent document 1) to vehicle front.
[patent document 1] Japanese Unexamined Patent Publication 2001-23417 publication
In recent years, the instead new light source of discharge lamp, light emitting diode that is few as power consumption and the light-emitting component that the life-span is long also brought into use by rail truck headlamp.
But the ceiling temperature low (such as, about 150 DEG C) that light emitting diode allows, when being used as the light source of rail truck headlamp by this light emitting diode, requiring can the structure of efficiently radiates heat.
Summary of the invention
The object of the invention is to, provide and be provided with light-emitting component as light source and can make the rail truck headlamp of light-emitting component efficiently radiates heat.
The feature that can solve the rail truck headlamp of the present invention of above-mentioned problem is:
Described rail truck headlamp comprises:
First lamp unit, comprises the first light-emitting component, and using the first lens that the light that above-mentioned first light-emitting component sends irradiates as dipped beam towards vehicle front;
Second lamp unit, comprises the second light-emitting component, and the light that above-mentioned second light-emitting component is sent as distance light at least partially towards vehicle front irradiate the second lens; And
Housing, forms the lamp house of above-mentioned first lamp unit of configuration and above-mentioned second lamp unit;
Above-mentioned housing comprises metal thermal component;
Above-mentioned thermal component is provided with the light source equipped section of carrying above-mentioned first light-emitting component and above-mentioned second light-emitting component in above-mentioned lamp house.
In rail truck headlamp of the present invention; be preferably, above-mentioned housing comprises cover, and relatively above-mentioned thermal component is installed from vehicle front; the first opening portion that this hood-shaped one-tenth passes through from the light of above-mentioned first lens lighting, and from the second opening portion that the light of above-mentioned second lens lighting passes through;
Above-mentioned first lens and above-mentioned second lens have flange part separately;
First lamp unit comprises the first lens holder further, is fixed on above-mentioned thermal component, and keeps the back portion of the flange part of above-mentioned first lens;
Second lamp unit comprises the second lens holder further, is fixed on above-mentioned thermal component, and keeps the back portion of the flange part of above-mentioned second lens;
Above-mentioned first opening portion is airtight by the previous section of the flange part of above-mentioned first lens, and above-mentioned second opening portion is airtight by the previous section of the flange part of above-mentioned second lens.
In rail truck headlamp of the present invention, be preferably, make padded coaming between the previous section and the edge of above-mentioned first opening portion of the flange part of above-mentioned first lens, airtight first opening portion, make padded coaming between the previous section and the edge of above-mentioned second opening portion of the flange part of above-mentioned second lens, airtight second opening portion.
In rail truck headlamp of the present invention, be preferably, described rail truck headlamp comprises further:
First speculum, reflects the light that above-mentioned first light-emitting component sends towards vehicle front; And
Second speculum, reflects the light that above-mentioned second light-emitting component sends towards vehicle front;
Above-mentioned first speculum and above-mentioned first lens holder form as one, and above-mentioned second speculum and above-mentioned second lens holder form as one.
In rail truck headlamp of the present invention, be preferably, in above-mentioned housing, be provided with above-mentioned first lamp unit of odd number and above-mentioned second lamp unit of odd number; In above-mentioned housing, above-mentioned first speculum, above-mentioned first lens, above-mentioned first light-emitting component are only set to odd number separately, and above-mentioned second speculum, above-mentioned second lens, above-mentioned second light-emitting component are only set to odd number separately.
In rail truck headlamp of the present invention, be preferably, above-mentioned first lens holder and above-mentioned first speculum form first module constituting body, and above-mentioned second lens holder and above-mentioned second speculum form second unit constituting body.
In rail truck headlamp of the present invention, be preferably, the external diameter of above-mentioned second lens is larger than above-mentioned first lens external diameter.
In rail truck headlamp of the present invention, be preferably, above-mentioned first lens thickness of Thickness Ratio of above-mentioned second lens is thick.
In rail truck headlamp of the present invention, be preferably, thermal component is cast aluminium system.
In rail truck headlamp of the present invention, be preferably, above-mentioned light-emitting component is light emitting diode.
The following describes effect of the present invention:
According to rail truck headlamp of the present invention, the metal thermal component forming housing is mounted in by making the first light-emitting component and the second light-emitting component, the heat of above-mentioned first light-emitting component and the second light-emitting component can be made to the outside loss well of the lamp house of housing, effectively dispel the heat.Thus, power consumption can be used few and life-span long light-emitting component as light source, replace discharge lamp.
Accompanying drawing explanation
Fig. 1 is the stereogram of the outward appearance representing the rail truck headlamp that this embodiment relates to.
Fig. 2 is the stereogram of the heat dissipation element forming housing.
Fig. 3 represents the structure in the lamp house of housing, and wherein, (a) is the A-A sectional view of Fig. 1, and (b) is the B-B sectional view of Fig. 1.
Fig. 4 is the stereogram of the unit constituting body of formation first lamp unit and the second lamp unit.
Fig. 5 is the rail truck front side scenery ideograph of the illumination zone represented when the second lamp unit illumination.
Fig. 6 is the rail truck front side scenery ideograph of the illumination zone represented when the first lamp unit illumination.
In figure, symbolic significance is as follows:
11 rail truck headlamps
12 housings
15 thermal components
16 covers
36 first opening portions
37 second opening portions
41 first lamp units
42 first light emitting diodes (the first light-emitting component one example)
43 first speculums
44 first lens
44c, 54c flange part
51 second lamp units
52 second light emitting diodes (the second light-emitting component one example)
53 second speculums
54 second lens
62 first lens holder
72 second lens holder
84 first light sources carry block (light source equipped section one example)
85 secondary light sources carry block (light source equipped section one example)
S lamp house
Detailed description of the invention
Below, the embodiment example of the rail truck headlamp that the present invention relates to is described with reference to accompanying drawing.In following embodiment, although to inscape, kind, combination, shape, to be oppositely arranged etc. and to have done various restriction, these only exemplify, and the present invention is not limited thereto.
As shown in Figure 1, the rail truck headlamp 11 that this embodiment relates to comprises housing 12, in this housing 12, form lamp house S.
Housing 12 comprises metal thermal component 15, and the cover 16 installed from vehicle front side of this thermal component 15 relatively.Thermal component 15 is formed by the metal material of heet transfer rate excellence, and cover 16 is by forming synthetic resins such as such as plastics.
As shown in Figure 2, thermal component 15 comprises parent plate portion 21, rear plate portion 22, and side plate 23.Rear plate portion 22 erects the rear end being arranged on parent plate portion 21.Again, side plate 23 is located at the both sides in parent plate portion 21 and rear plate portion 22, is formed as the bight blocking above-mentioned parent plate portion 21 and rear plate portion 22.In rear plate portion 22, form the radiator 26 with multiple fin 25 at its back side.Again, in this rear plate portion 22, entreat wherein, form wiring hole 27, by supplying the distribution of electric power to the light source in lamp house S for the power supply from vehicle side.At thermal component 15, near the both sides of the upper end in rear plate portion 22 and near the both sides of the front end in parent plate portion 21, form screw 28.
As shown in Figure 1, cover 16 comprises header board portion 31, upper plate portion 32, and side plate 33.Upper plate portion 32 is from the upper end horizontal-extending in header board portion 31, and side plate 33 is formed as the bight blocking header board portion 31 and upper plate portion 32.Again, in header board portion 31, form the first opening portion 36 and the second opening portion 37.At cover 16, near the both sides of the lower end in header board portion 31 and near the both sides of the rear end of upper plate portion 32, form the stator 39 having and insert through hole 38.
Further, screw (diagram is omitted) from vehicle front side covers state at relative thermal component 15, being inserted through the insertion through hole 38 of respective stator 39, by being screwed into screw 28, being assembled in thermal component 15 by this cover 16.Thus, lamp house S is formed in by thermal component 15 and covers in 16 housings 12 formed.
As shown in Figure 3, the lamp house S in this housing 12, configures the first lamp unit 41 and the second lamp unit 51.Above-mentioned first lamp unit 41 and the second lamp unit 51 are projection type or multiple elliptic system (Poly Ellipsoidal System, hereinafter also referred to " PES ") headlamp of type, first lamp unit 41 irradiates dipped beam to vehicle front, and the second lamp unit 51 irradiates distance light to vehicle front.Fig. 3 (a) is the A-A line sectional view by fin 25 in Fig. 1, and therefore, represent the cross section of fin 25, Fig. 3 (b) is the B-B line sectional view not by fin 25 in Fig. 1, therefore, represents the side of fin 25.
As shown in Fig. 3 (a), first lamp unit 41 comprises the LED (light emitting diode arranged as light source, Light Emitting Diode) i.e. the first light emitting diode (first light-emitting component one example) 42, the first speculum 43 that the light that this first light emitting diode 42 is sent reflects towards vehicle front, and first lens 44, described first lens 44 make the light optically focused of the first light emitting diode 42 in the reflection of this first speculum 43, as dipped beam, by the first opening portion 36 of cover 16, irradiate to vehicle front.
First speculum 43 and the first lens 44 are single part separately, and the first lens 44 comprise the plane of incidence 44a of the flat shape of the light incidence from the first speculum 43, and the lens face 44b of the convex form that the light of incident optically focused is penetrated.Again, the flange part 44c that stretches out outward at the optical axis Z1 that its periphery has relative first lens 44 of these first lens 44.Further, the lens face 44b of these the first lens 44 embeds the first opening portion 36 from the inner face side of cover 16, gives prominence to from the header board portion 31 of cover 16.Again, the previous section of the flange part 44c of these the first lens 44 connects with the edge of the first opening portion 36 of cover 16, covers from rear side.Thus, the edge contiguity of the flange part 44c of the first lens 44 and the first opening portion 36, that is, by airtight first opening portion 36 of the previous section of the flange part 44c of the first lens 44, prevent dust from invading lamp house S in housing 12 from the first opening portion 36.
As shown in Fig. 3 (b), second lamp unit 51 comprises LED i.e. the second light emitting diode (the second light-emitting component one example) 52 arranged as light source, the second speculum 53 that the light that this second light emitting diode 52 is sent reflects towards vehicle front, and second lens 54, described second lens 54 make the light optically focused of the second light emitting diode 52 in the reflection of this second speculum 53, as distance light, by the second opening portion 37 of cover 16, irradiate to vehicle front.
Second speculum 53 and the second lens 54 are single part separately, and the second lens 54 comprise the plane of incidence 54a of the flat shape of the light incidence from the second speculum 53, and the lens face 54b of the convex form that the light of incident optically focused is penetrated.Again, the flange part 54c that stretches out outward at the optical axis Z2 that its periphery has relative second lens 54 of these second lens 54.Further, the lens face 54b of these the second lens 54 embeds the second opening portion 37 from the inner face side of cover 16, gives prominence to from the header board portion 31 of cover 16.Again, the previous section of the flange part 54c of these the second lens 54 connects with the edge of the second opening portion 37 of cover 16, covers from rear side.Thus, the edge contiguity of the flange part 54c of the second lens 54 and the second opening portion 37, that is, by airtight second opening portion 37 of the previous section of the flange part 54c of the second lens 54, prevent dust from invading lamp house S in housing 12 from the second opening portion 37.
First lamp unit 41 and the second lamp unit 51 form above-mentioned rail truck headlamp 11, first lamp unit 41 and comprise first module constituting body 61, second lamp unit 51 and comprise second unit constituting body 71.
As shown in Figure 4, first module constituting body 61 comprises the first lens holder 62 and the first speculum 43.First lens holder 62 is formed as circular, and this first lens holder 62 connects with the back portion of the flange part 44c of the first lens 44, makes the laser cladding etc. of its deposition by irradiating ultrared laser, and mutual joining part engages.Thus, the back portion of the flange part 44c of the first lens 44 remains on the first lens holder 62.
The first lens holder 62 forming first module constituting body 61 and the first speculum 43 with link first lens holder 62 together with the fixed frame portion 63 of the first speculum 43, integrally formed by resin material.Again, the first lens holder 62, first speculum 43, and fixed frame portion 63 is formed as single part.The surface of the first light emitting diode 42 side of the first speculum 43 forms aluminium-vapour deposition film, imposes mirror-polishing process.Locating hole 64 and fixing hole 65 is formed in fixed frame portion 63.
Equally, second unit constituting body 71 comprises the second lens holder 72 and the second speculum 53.Second lens holder 72 is formed as circular, and this second lens holder 72 connects with the back portion of the flange part 54c of the second lens 54, makes the laser cladding etc. of its deposition by irradiating ultrared laser, and mutual joining part engages.Thus, the back portion of the flange part 54c of the second lens 54 remains on the second lens holder 72.
The second lens holder 72 forming second unit constituting body 71 and the second speculum 53 with link second lens holder 72 together with the fixed frame portion 73 of the second speculum 53, integrally formed by resin material.Again, the second lens holder 72, second speculum 53, and fixed frame portion 73 is formed as single part.The surface of the second light emitting diode 52 side of the second speculum 53 forms aluminium-vapour deposition film, imposes mirror-polishing process.Locating hole 74 and fixing hole 75 is formed in fixed frame portion 73.
As shown in Figure 2, in the parent plate portion 21 of thermal component 15, at the middle body of width, form central branches supporting block 81.Again, in the side, rear plate portion 22 of the side, both sides in parent plate portion 21, form rear rest pad 82,82.Further, the front of side, both sides in parent plate portion 21, form front rest pad 83,83.
At central branches supporting block 81 and respective rear rest pad 82, between 82, at the first lamp unit 41, side is set, first light source carries the part of block (light source equipped section one example) 84 as the thermal component 15 of cast aluminium, one is configured as together with the rear rest pad 82 of central branches supporting block 81 and side, again, at the second lamp unit 51, side is set, secondary light source carries the part of block (light source equipped section one example) 85 as thermal component 15, is configured as one together with the rear rest pad 82 of central branches supporting block 81 and opposite side.
The first light emitting diode 42 forming the first lamp unit 41 is mounted in the first light source and carries block 84, and the second light emitting diode 52 forming the second lamp unit 51 is mounted in secondary light source and carries block 85.
Again, at rear side and the respective rear rest pad 82 of central branches supporting block 81, erect and alignment pin 91 is set, further, at the front side of central branches supporting block 81 and front rest pad 83, form female threaded portion 92.
And, first module constituting body 61 arranges side the first lamp unit 41, thermal component 15 is positioned at by alignment pin 91 is inserted locating hole 64, and then, hold-down screw is inserted to fixing hole 65 from upper side, by this hold-down screw (diagram is omitted) is screwed into female threaded portion 92, be fixed on thermal component 15.
Equally, second unit constituting body 71 arranges side the second lamp unit 51, thermal component 15 is positioned at by alignment pin 91 is inserted locating hole 74, and then, hold-down screw is inserted to fixing hole 75 from upper side, by this hold-down screw (diagram is omitted) is screwed into female threaded portion 92, be fixed on thermal component 15.
In the first lamp unit 41 formed like this and the second lamp unit 51, as shown in Figure 3, the second lens 54 irradiating the second lamp unit 51 of distance light are compared with the first lens 44 of the first lamp unit 41 irradiating dipped beam, there is large external diameter and thickness, optically focused can be carried out more, a guiding distant place to the light of the second light emitting diode 52.
Again, at rail truck with in headlamp 11, the front end face position consistency of the front endface position of the first lens 44 of the first lamp unit 41 and the second lens 54 of the second lamp unit 51.Again, second lens 54 are compared with the first lens 44, there is large thickness, therefore, plane of incidence 54a is compared with plane of incidence 44a, be positioned at rear, compared with the loading position of the first light emitting diode 42 of the first lamp unit 41, the loading position of the second light emitting diode 52 of the second lamp unit 51 is configured in rear side with distance L.Further, compared with configuring with the first speculum 43 of the first lamp unit 41, the second speculum 53 of the second lamp unit 51 is configured to rear side.
Further, formed by this lens shape and configuration, in the second lamp unit 51 irradiating distance light, compared with irradiating the first lamp unit 41 of dipped beam, farther place of throwing light on brightly.Specifically, in the second lamp unit 51, as shown in Figure 5, the range of exposures HB in a front side distant place of illumination vehicle running rail R.In contrast, in the first lamp unit 41, as shown in Figure 6, illumination is positioned at the close broad range of exposures LB to representing horizontal direction H-H (optical axis Z1-Z1) position from vehicle running rail R below the first lamp unit 41.The rail truck headlamp 11 of this embodiment is compared with automotive headlamp, be arranged on the position high apart from ground, therefore, the absolute value (angle of flare of relative optical axis) of the irradiating angle of the downside of range of exposures LB becomes the value larger than automotive headlamp design load, namely, 30 degree to about 40 degree of below are represented, preferably 35 degree or value near it from relative level direction.
As mentioned above, in the rail truck headlamp 11 that this embodiment relates to, according to transport condition or running environment, can only make the first lamp unit 41 lighting, as lower beam illumination, or only make the second lamp unit 51 lighting, as far lighting.Also can be constructed so that the first lamp unit 41 and the second lamp unit 51 both sides lighting, be set to distance light.By making both sides' lighting, form distance light, wider scope of throwing light on well.
And, above-mentioned such when throwing light on, in the heat that the first light emitting diode 42 and the second light emitting diode 52 produce, carry block 85 from the first light source lift-launch block 84 and secondary light source and be delivered to the thermal component 15 being provided with the radiator 26 comprising multiple fin 25, externally dispel the heat well from this thermal component 15.
As mentioned above, according to the rail truck headlamp 11 that this embodiment relates to, the metal thermal component 15 forming housing 12 is mounted in by making the first light emitting diode 42 and the second light emitting diode 52, the heat of above-mentioned first light emitting diode 42 and the second light emitting diode 52 can be made to the outside loss well of the lamp house S of housing 12, effectively dispel the heat.Thus, power consumption can be used few and life-span long light emitting diode as light source, replace discharge lamp.
Again, the back portion of the flange part 44c of the first lens 44 is kept by the first lens holder 62, the back portion of the flange part 54c of the second lens 54 is kept by the second lens holder 72, the previous section of flange part 44c connects airtight with the edge of the first opening portion 36 of cover 16, the previous section of flange part 54c connects airtight with the edge of the second opening portion 37 of cover 16, covers respective edge from rear side.
Thus, can really prevent dust from invading from the first opening portion 36 and the second opening portion 37 to the lamp house S in housing 12.Thus, due to compared with automobile etc., the replacement cycle long (such as 10 years), therefore, the headlamp as rail truck needs sufficient dust countermeasure, and therefore, the headlamp of structure of the present invention is very suitable as rail truck headlamp.
Also can be constructed so that the padded coamings such as sponge are between the previous section of flange part 44c and the edge of the first opening portion 36 of covering 16, airtight first opening portion 36, make the padded coamings such as sponge between the previous section of flange part 54c and the edge of the second opening portion 37 of covering 16, airtight second opening portion 37.There is padded coaming by being situated between, seal can be improved and dust invades the function prevented.
Again, the first lens holder 62 forming first module constituting body 61 and the first speculum 43 with link first lens holder 62 together with the fixed frame portion 63 of the first speculum 43, integrally formed by resin material.Again, the first lens holder 62, first speculum 43, and fixed frame portion 63 is formed as single part.Thus, energy reducing portion number of packages, and can will require that relative thermal component 15 precision of the parts of the optical system of positioning precision (first lens 44 and the first speculum 43) is arranged well with an assembling procedure.That is, the precision of the respective relative position of the first light emitting diode 42, first speculum 43 and the first lens 44 3 parts can be improved, good light distribution patterns (light irradiation pattern) can be formed.Second unit constituting body 71 also has same action effect.
Again, in housing 12, be provided with the first lamp unit 41 of odd number and the second lamp unit 51 of odd number, and then, in housing 12, be provided with the first speculum 43 of odd number, first lens 44 of odd number, and the first light emitting diode 42 of odd number, be provided with the second speculum 53 of odd number, second lens 54 of odd number, and the second light emitting diode 52 of odd number.Like this, rail truck headlamp 11, by being configured in shared lamp house S by the parts of minimum number, realizing irradiating and formation necessary distant light irradiation two kinds of functions for dipped beam, therefore, rail truck headlamp 11 can be made miniaturized.
The present invention is not limited to above-mentioned embodiment and illustrates, and without departing from the scope of the gist of the present invention, can be properly changed.
Claims (10)
1. a rail truck headlamp, is characterized in that:
Described rail truck headlamp comprises:
First lamp unit, comprises the first light-emitting component, and using the first lens that the light that above-mentioned first light-emitting component sends irradiates as dipped beam towards vehicle front;
Second lamp unit, comprises the second light-emitting component, and the light that above-mentioned second light-emitting component is sent as distance light at least partially towards vehicle front irradiate the second lens; And
Housing, forms the lamp house of above-mentioned first lamp unit of configuration and above-mentioned second lamp unit;
Above-mentioned housing comprises metal thermal component;
Above-mentioned thermal component is provided with the light source equipped section of carrying above-mentioned first light-emitting component and above-mentioned second light-emitting component in above-mentioned lamp house.
2. rail truck headlamp according to claim 1, is characterized in that:
Above-mentioned housing comprises cover, and relatively above-mentioned thermal component is installed from vehicle front, the first opening portion that this hood-shaped one-tenth passes through from the light of above-mentioned first lens lighting, and from the second opening portion that the light of above-mentioned second lens lighting passes through;
Above-mentioned first lens and above-mentioned second lens have flange part separately;
First lamp unit comprises the first lens holder further, is fixed on above-mentioned thermal component, and keeps the back portion of the flange part of above-mentioned first lens;
Second lamp unit comprises the second lens holder further, is fixed on above-mentioned thermal component, and keeps the back portion of the flange part of above-mentioned second lens;
Above-mentioned first opening portion is airtight by the previous section of the flange part of above-mentioned first lens, and above-mentioned second opening portion is airtight by the previous section of the flange part of above-mentioned second lens.
3. rail truck headlamp according to claim 2, is characterized in that:
Make padded coaming between the previous section and the edge of above-mentioned first opening portion of the flange part of above-mentioned first lens, airtight first opening portion, make padded coaming between the previous section and the edge of above-mentioned second opening portion of the flange part of above-mentioned second lens, airtight second opening portion.
4. rail truck headlamp according to claim 2, is characterized in that:
Described rail truck headlamp comprises further:
First speculum, reflects the light that above-mentioned first light-emitting component sends towards vehicle front; And
Second speculum, reflects the light that above-mentioned second light-emitting component sends towards vehicle front;
Above-mentioned first speculum and above-mentioned first lens holder form as one, and above-mentioned second speculum and above-mentioned second lens holder form as one.
5. rail truck headlamp according to claim 4, is characterized in that:
In above-mentioned housing, be provided with above-mentioned first lamp unit of odd number and above-mentioned second lamp unit of odd number;
In above-mentioned housing, above-mentioned first speculum, above-mentioned first lens, above-mentioned first light-emitting component are only set to odd number separately, and above-mentioned second speculum, above-mentioned second lens, above-mentioned second light-emitting component are only set to odd number separately.
6. rail truck headlamp according to claim 4, is characterized in that:
Above-mentioned first lens holder and above-mentioned first speculum form first module constituting body, and above-mentioned second lens holder and above-mentioned second speculum form second unit constituting body.
7., according to any one rail truck headlamp recorded of claim 1 to 6, it is characterized in that:
The external diameter of above-mentioned second lens is larger than above-mentioned first lens external diameter.
8., according to any one rail truck headlamp recorded of claim 1 to 6, it is characterized in that:
Above-mentioned first lens thickness of Thickness Ratio of above-mentioned second lens is thick.
9., according to any one rail truck headlamp recorded of claim 1 to 6, it is characterized in that:
Thermal component is cast aluminium system.
10., according to any one rail truck headlamp recorded of claim 1 to 6, it is characterized in that:
Above-mentioned light-emitting component is light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450232.2A CN104515049A (en) | 2013-09-27 | 2013-09-27 | Railway vehicle headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450232.2A CN104515049A (en) | 2013-09-27 | 2013-09-27 | Railway vehicle headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104515049A true CN104515049A (en) | 2015-04-15 |
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ID=52790751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310450232.2A Pending CN104515049A (en) | 2013-09-27 | 2013-09-27 | Railway vehicle headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104515049A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543116A (en) * | 2016-06-27 | 2018-01-05 | 株式会社小糸制作所 | Headlight for automobile and light source cell |
| CN109827139A (en) * | 2019-03-20 | 2019-05-31 | 华域视觉科技(上海)有限公司 | Light projecting unit, vehicle lamp assembly and automobile for car light |
| CN109958970A (en) * | 2019-04-10 | 2019-07-02 | 浙江嘉利（丽水）工业股份有限公司 | A kind of rotary shaft car light adjustment structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107543116A (en) * | 2016-06-27 | 2018-01-05 | 株式会社小糸制作所 | Headlight for automobile and light source cell |
| CN107543116B (en) * | 2016-06-27 | 2020-06-30 | 株式会社小糸制作所 | Vehicle headlamp and light source unit |
| CN109827139A (en) * | 2019-03-20 | 2019-05-31 | 华域视觉科技(上海)有限公司 | Light projecting unit, vehicle lamp assembly and automobile for car light |
| CN109958970A (en) * | 2019-04-10 | 2019-07-02 | 浙江嘉利（丽水）工业股份有限公司 | A kind of rotary shaft car light adjustment structure |
| CN109958970B (en) * | 2019-04-10 | 2024-04-12 | 浙江嘉利（丽水）工业股份有限公司 | Rotating shaft type car lamp adjusting structure |
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Effective date of registration: 20170116 Address after: Tokyo, Japan, Japan Applicant after: Koito Manufacturing Co., Ltd. Applicant after: Small Wire Electrical Co., Ltd. Address before: Tokyo, Japan, Japan Applicant before: Koito Manufacturing Co., Ltd. |
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