Runway light fixture
Technical field
The utility model relates to airfield lighting apparatus, particularly relates to a kind of runway light fixture.
Background technology
As light source of new generation, it is long that LED light source has the life-span, and body is light in a small amount, power consumption little (energy-conservation), low cost and other advantages, and operating voltage is low, luminous efficiency is high, and emission response time is extremely short, operating temperature range is wide, photochromic pure, sound construction (shock resistance, vibration resistance), series of characteristics such as stable performance and replace the lighting system of conventional light source gradually.
LED navaid light fixture to adopt LED light source just progressively to replace traditional halogen tungsten lamp and high-pressure mercury lamp based on above advantage just; Runway lights is arranged on the both sides of airfield runway, aircraft can be allowed normally to take off under night, low visibility or other bad weather conditions, land, it is the one of airfield runway range light, traditional runway lights is by several single collimation lens, the inclination of fit structure part angle again, specify and the requirement of emergent ray angle to meet the relevant light intensity of civil aviaton's standard simultaneously, but loaded down with trivial details lens are installed and cannot accurately be located the deviation easily causing lighting angle, be difficult to meet relevant illumination needs.
Utility model content
The purpose of this utility model there are provided a kind of runway light fixture, can effectively avoid lens alignment error and angular error, meets relevant lighting requirement.
The utility model is achieved in that
A kind of runway light fixture, described runway light fixture comprises the upper cover and lower cover that two LED light device and bolt type connect, and LED light device described in two is contained in the receiving space that described upper cover and described lower cover build jointly; The both sides of described upper cover respectively correspondence arrange a light-emitting window, LED light device described in light-emitting window correspondence one described in each, and light-emitting window described in each arranges a prism, described prism comprises rectangular portion and is relatively located at exit portion and the incident section of described rectangular portion both sides, described exit portion comprises an emergent light face, described incident section comprises an incident light plane, and described emergent light face and described incident light plane are oppositely arranged, and described incident light plane is wavelike structure; LED light device described in each comprises the some LED light source, the light source board driving described some LED light source work and the integral type collimation lens that are arranged side by side, the side of described integral type collimation lens is provided with some and described some LED light sources round table-like rotational symmetry structure one to one, and described some LED light source one_to_one corresponding are located in described some round table-like rotational symmetry structures.
As the improvement of above-mentioned runway light fixture, described runway light fixture also comprises a light source board support, and described light source board support is provided with two installation inclined-planes, installs the described light source board that inclined-plane correspondence installs LED light device described in described in each.
As the improvement of above-mentioned runway light fixture, prism described in each is fixedly arranged on described light-emitting window corresponding with it respectively by a prism platen, and is provided with a packing ring between described prism platen and described prism.
As the improvement of above-mentioned runway light fixture, prism described in each and be also provided with a prism sealing ring between the edge of described light-emitting window corresponding with it.
As the improvement of above-mentioned runway light fixture, the junction of described upper cover and described lower cover is also provided with a water proof ring and a waterproof washer.
As the improvement of above-mentioned runway light fixture, described runway light fixture also comprises the driving power plate of LED light device work described in driving two, and described driving power plate is electrically connected with the described light source board of LED light device described in two respectively.
As the improvement of above-mentioned runway light fixture, the bottom side of described lower cover arranges a water joint flexible glue female seat, inner side and the described driving power plate of described water joint flexible glue female seat are electrically connected, and the outside of described water joint flexible glue female seat is provided with the slot carrying out interference fit joint with water joint.
The beneficial effects of the utility model are: the runway light fixture that the utility model provides, its LED light device have employed integral type collimation lens, some some with it LED light sources round table-like rotational symmetry structure one to one arranged by the side of this integral type collimation lens, the optical alignment having carried out each LED light source exports, simultaneously by special prism structure, incident light plane adopts wavelike structure, the collimation of each LED light source is made to make light after incident light plane, form the oval hot spot of civil aviaton's regulation, and the refraction process through emergent light face, deflection of light is made to become the angle of regulation, to meet the light distribution requirements of International Civil Aviation pact, when integral type collimation lens is installed, only round table-like rotational symmetry structure and LED lamp bead need be made to align one by one just can, not only install simple and convenient, and can effectively avoid lens alignment error and angular error.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of a kind of preferred embodiment of the utility model runway light fixture.
Fig. 2 is the decomposition texture schematic diagram of the light fixture of runway shown in Fig. 1.
Fig. 3 is the light path schematic diagram of each LED light device of the light fixture of runway shown in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment provides a kind of runway light fixture 1, runway light fixture 1 comprises upper cover 12 that two LED light device 11 and bolt type connect and lower cover 13, two LED light device 11 and is contained in the receiving space that upper cover 12 and lower cover 13 build jointly.Wherein, the both sides of upper cover 12 respectively correspondence arrange a light-emitting window 121, the corresponding LED light device 11 of each light-emitting window 121, and each light-emitting window 121 arranges a prism 14, prism 14 comprises rectangular portion 141 and is relatively located at the exit portion 142 of rectangular portion 141 both sides and incident section 143,142 exit portion comprises an emergent light face 1421, and incident section 143 comprises an incident light plane 1431, emergent light face 1421 and incident light plane 1431 are oppositely arranged, and incident light plane 1431 is wavelike structure.Each LED light device 11 comprises the some LED light source 111, the light source board 112 driving some LED light sources 111 to work and the integral type collimation lens 113 that are arranged side by side, the side of integral type collimation lens 113 is provided with some and some LED light sources 111 round table-like rotational symmetry structure 1131 one to one, and some LED light source 111 one_to_one corresponding are located in some round table-like rotational symmetry structures 1131.
In the present embodiment, as shown in Figure 2, runway light fixture 1 also comprises a light source board support 15, and light source board support 15 is provided with two installation inclined-planes 151, and each installs the light source board 112 that inclined-plane 151 correspondence installs a LED light device 11.Each prism 14 is fixedly arranged on light-emitting window 121 corresponding with it respectively by a prism platen 122, and is provided with a packing ring 123 between prism platen 122 and prism 14.Also be provided with a prism sealing ring 124 between each prism 14 and the edge of light-emitting window 121 corresponding with it, enter from the gap between the edge and prism 14 of light-emitting window 121 to prevent water.Upper cover 12 is also provided with water proof ring 16 and a waterproof washer 17 with the junction of lower cover 13, enters from the gap between upper cover 12 and lower cover 13 to prevent water.Runway light fixture 1 also comprises the driving power plate 18 of driving two LED light device 11 work, driving power plate 18 is electrically connected with the light source board 112 of two LED light device 11 respectively, the bottom side of lower cover 13 arranges a water joint flexible glue female seat 19, inner side and the driving power plate 18 of water joint flexible glue female seat 19 are electrically connected, the outside of water joint flexible glue female seat 19 is provided with the slot (not shown) carrying out interference fit joint with water joint 2, visible, this taxiway light fixture 1 adopts multiple waterproof technique, makes it water resistance excellence.
In addition, upper cover 12 and the lower cover 13 of runway light fixture 1 all adopt extraordinary aluminium alloy, form, have the features such as high strength, high-elongation, good corrosion resistance through high and low pressure casting.
The runway light fixture that the present embodiment provides, its LED light device have employed integral type collimation lens, some some with it LED light sources round table-like rotational symmetry structure one to one arranged by the side of this integral type collimation lens, the optical alignment having carried out each LED light source exports, simultaneously by special prism structure, incident light plane adopts wavelike structure, the collimation of each LED light source is made to make light after incident light plane, form the oval hot spot of civil aviaton's regulation, and the refraction process through emergent light face, deflection of light is made to become the angle of regulation, to meet the light distribution requirements of International Civil Aviation pact, when integral type collimation lens is installed, only round table-like rotational symmetry structure and LED lamp bead need be made to align one by one just can, not only install simple and convenient, and can effectively avoid lens alignment error and angular error.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.