KR100658610B1 - Prism of lamp cover for a induction lamp - Google Patents

Abstract

A prism of a lamp cover for a taxi light is provided to reduce an accident generated in a take-off or landing of a flight by providing a pilot of a flight with a light having a high brightness. An inner corner of a front plane unit(110) forms a rectangular shape. A plurality of prism patterns are formed on the inside of the inner corner. An outer corner is far from the inner corner at a regular distance. An outer corner of the front plane unit(110) is rounded. A rear part of the front plane unit(110) is 15-20 percent shorter than an upper/lower length of the front plane unit(110). A groove is formed on a side of an upper/lower part of a rear part of the front plane unit(110). A vertical unit is contacted with the other plane having a groove of a lower protrusion stopper(120). The vertical unit maintains a vertical state at a predetermined length. The other side of a rear part of the front plane unit(110) is gradually widened from an upper side to a lower side. A plane where an upper plane of the vertical unit is contacted with a side of the vertical unit has a predetermined inclination angle.

Description

Prism of lamp cover for a induction lamp

1 is an exploded perspective view of a lamp for an induction lamp having a prism according to the prior art,

2A to 2E are a perspective view, a front view, a side view, a plan view, and a sectional view of a prism pattern of the lamp cover prism for an induction lamp according to the present invention.

* Description of the symbols for the main parts of the drawings *

110: front portion 120: locking jaw

130: inclined portion 140: vertical portion

111... 118: inclined plane 119: horizontal plane

P1, P2, P3: peak D1... D4: Goal

a, b, c, d: each PW1, PW2, PW2 ': pitch width

CL: string length

The present invention relates to a prism of a lamp cover, and more particularly, is installed at the center of a straight induction road or an induction road operated by an aircraft, and the pilot of the aircraft visualizes the operation information of the induction road by changing the color of the center line and sections. The cover prism of the lamp for induction lamps to be illuminated with a specific light having a high brightness so as to be recognized.

Conventionally, an induction lamp including a prism embedded in an induction furnace will be described with reference to FIG. 1 as follows.

The conventional induction lamp 20 has a light emitting port 3 formed in the lens cover 21 so as to shine in various directions, and a prism 23, a color filter 26, and a reflecting plate 27 at the lower side of the lens cover 21. Mounted on the lower cover 35, the lamp 33 was mounted by mounting the socket 33 on the upper side of the mounting stand 34, and the upper outer circumference of the lower cover 35. Fastening bolts or the like to the fastening hole (not shown) formed in the flange (35a) formed in the fixed to the lower side of the lens cover 21.

The color filter 26 is mounted between the reflector 27 and the prism 23, and the upper end of the plurality of springs 25 is attached to the upper end of the color filter 26, and the lower end of the spring 25 is reflected on the reflector 27. It is fixed to one side of the to be fixed to the upper side of the reflecting plate 27 by the tension force of the spring (25).

The color filter 26 is formed in a cylindrical tube shape, and the spring 25 is fixed to the upper end of the color filter 26 and one side of the reflecting plate 27 by passing through the inner diameter of the tube of the color filter 26.

Reference numerals 24, 28 and 30 are packings, 29 are rings and 31 are bolts.

The conventional guide light 20 configured as described above is mounted on the runway and the edge of the guideway to induce the passage of the aircraft, the color filter 26 mounted on the guide light 20 mounted at each position is the color. Differently, it emits red light when it is an end point or a dangerous area, emits yellow light when it reaches an end point, and emits blue light in other areas.

That is, when power is applied to the lamp 32, white light is transmitted through the color filter 26 to be converted into the color of the color filter 26 to be reflected on the aircraft through the prism 23.

The present invention was created in view of the above conditions, and an object of the present invention is to install a prism having a plurality of prismatic patterns consisting of triangles having a predetermined pitch width in a cross section, and to install them at the center of a straight runway and an induction furnace. In this case, the prism of the lamp cover for induction lamp that can maximize the brightness of the light emitted from the plurality of light emitting diodes is provided.

Technical means according to the present invention for achieving the above object is a prism provided in the lamp cover is installed in the center of the linear guideway, the inner edge of the rectangular shape, a plurality of prisms inside the rectangular shape A pattern is formed, and the outer edges are kept at a distance from the inner edges, but the rounded rectangular front part where the outer edges meet, and the rear part of the front part is 15% to 20% shorter than the upper and lower lengths of the front part, The upper and lower locking jaw formed with a groove formed on one side and the other surface formed with the groove of the lower locking jaw, the vertical portion keeping the vertical to a predetermined length, and the other side behind the front part on which the upper and lower locking jaws are formed In the shape gradually widening from the lower side to the upper side of the engaging jaw and the side where one side of the vertical part meets the inclination to maintain a predetermined inclination angle Is made, the front portion, locking step, composed of the vertical portion and the inclined portion integrally.

According to the present invention, a plurality of prism patterns having a triangular cross section having a predetermined pitch width are formed on the front surface of the prism, so that the center of the curved guidance path is clearly provided by providing light with high luminance to the pilot of the aircraft even in bad weather. This can reduce accidents during operation.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2A is a perspective view of a lamp cover prism for an induction lamp, and includes a front part 110, a locking jaw 120, an inclination part 130, and a vertical part 140, and FIG. 2B is a front view of the lamp cover prism for an induction lamp. 2C is a side view of the lamp cover prism for induction lamps, FIG. 2D is a plan view of the prism for induction lamps, and FIG. 2E is a detail view of the prism pattern of the front surface of the lamp cover prism for induction lamps.

The prism uses a refraction phenomenon. When the light reaches an interface at an arbitrary angle, the refraction causes the incident light to scatter all the light forward like the transmitted light. Thus, the incident light is bent or bent.

The prism material of the lamp cover, which is installed in the center of the induction furnace, is a brand name applied to borosilicate glass, which was released by Corning Corporation in the United States in 1916, and has excellent thermal shock resistance and chemical durability. It is a special glass which contains 80% of silicic acid and 14% of boric acid and its thermal expansion rate is about 1/3 of glass. The thermal shock resistance is lower than that of quartz glass, but it is made of Pyrex, a low thermally expandable glass that is suitable for mass production and has good moldability.

The outer side of the front portion 110 is formed in a rectangular shape rounded so that the four corners where the corners meet have a chord length of about 18.69 mm and a radius of curvature of 13 mm, and the inner side has a predetermined distance from the center of the outer four corners, that is, the width A rectangular shape is formed at a point of 8.2 mm and a length of 3 mm, and is formed of a plurality of prism patterns having a predetermined pitch width in the formed rectangular shape, and the plurality of prism patterns are left and right relative to the center of the first peak P1. The detailed description symmetrically will be described with reference to FIG. 2E.

2E shows a plurality of prismatic patterns formed in a triangular shape having a predetermined pitch width. The first prism pattern is composed of the first inclined surface 111 and the second inclined surface 112, and the second prism pattern is composed of the third inclined surface 113 and the fourth inclined surface 114. The seventh inclined surface 115 and the sixth inclined surface 116, the seventh inclined surface 117 formed between the third inclined surface 113 and the horizontal surface 119 of the second prism pattern and the sixth inclined surface of the third prism pattern And an eighth inclined surface 118 formed between 116 and the horizontal surface 119.

In addition, a plurality of prism patterns formed by two inclined surfaces are formed, and the plurality of peaks formed according to the first inclined surface 111 and the second inclined surface 112 include a first peak P1 and a third inclined surface 113. ) And a third peak P2 where the fourth inclined surface 114 meets, a third peak P3 where the fifth inclined surface 115 and the sixth inclined surface 116 meet, and formed by a plurality of prism patterns. The first valley D1 and the third prism of the first prism pattern and the first valley D1 of the first inclined plane 111 of the first prism pattern and the fourth inclined plane 114 of the second prism pattern The second valley D2 where the fifth inclined surface 115 of the pattern meets, the third valley D3 where the third inclined surface 113 and the seventh inclined surface 117 of the second prism pattern meet, and the third prism pattern The sixth inclined surface 116 and the eighth inclined surface 118 are formed of the fourth valley D4 where the horizontal surface 119 meets.

The pitch width PW1 of the first prism pattern, that is, the width of the first inclined surface and the second inclined surface is about 9 mm, the pitch width PW2 'of the second prism pattern PW2 and the third prism pattern is also 9 mm, The width of the point where the third inclined plane 113 and the seventh inclined plane 117 meet and the point where the seventh inclined plane 117 meets the horizontal plane 119 is 7.35 mm, and the eighth inclined plane 118 is the sixth inclined plane. The width between the point where 116 meets and the point where the eighth inclined plane meets the horizontal plane 119 is 7.35 mm, and the first, second, and third peaks P1, P2, and P3 have a distance of about 0.5 mm from the horizontal plane 119. And round to have a chord length CL of 0.4 mm or less and a radius of curvature of 0.2 mm, while the seventh and eighth inclined surfaces 117, 118 abut the horizontal plane 19, It is rounded to have a length and radius of curvature of 0.2 mm.

In addition, since the plurality of prism patterns are present inside the front part, that is, the peaks of the plurality of prism patterns are lower than the horizontal plane, and thus there is an advantage that they do not wear easily even when they are in contact with other objects.

In addition, the first and second valleys D1 and D2 maintain a distance of 1.9 mm from the horizontal plane 119, and the third and fourth valleys D3 and D4 maintain a distance of 1.3 mm from the horizontal plane 119. When a line is extended to the second inclined plane 112 and the fourth inclined plane 114, the angle a between the second inclined plane 112 and the fourth inclined plane 114 and the horizontal plane 119 is 17 °. In addition, when a line is extended to the first inclined surface 111 and the fifth inclined surface 115, the first inclined surface 111 and the fifth inclined surface 115 have an angle of 17 ° with the horizontal surface 119, and the third inclined surface ( When the line is extended to 113, the angle formed by the third inclined plane 113 and the angle formed by the eighth inclined plane 118 with the horizontal plane 119 are 10 degrees, and when the line is extended to the seventh inclined plane 117, the seventh When the inclined surface 117 extends with the horizontal surface 119 and the sixth inclined surface 116, the angle b between the sixth inclined surface 116 and the horizontal surface 119 is also 10 °.

Accordingly, the inner angle of the first peak P1 formed by the first inclined plane 111 and the second inclined plane 112 in the first prism pattern is 146 °, and the first inclined plane 111 and the first inclined plane 111 of the first prism pattern are formed. The first valley D1 formed by the fourth inclined surface 114 of the second prism pattern is 146 °, and the second inclined surface 112 of the first prism pattern and the fifth inclined surface 115 of the third prism pattern are The inclination angle of the second valley D2 is 146 °, the fourth valley D4 formed by the sixth slope 116 and the eighth slope 118 is 160 °, and the third slope 113 and the seventh slope are The third bone D3 formed by 117 is also 160 °.

The rear of the front part in which the latching jaw 120 is formed is 15% to 20% smaller than the upper and lower lengths of the front part, and thus a groove is formed by forming a chin at the top and bottom of the front part 110, so that it is fastened to the cover when mounted to the lamp cover. It is caught in the mounting groove of the cover.

In addition, the upper surface formed by the locking jaw formed in the rear upper and lower portions of the front portion meets the upper side of the inclined portion 130, the upper surface formed with the locking jaw formed in the rear of the front portion 110 is about a predetermined angle (c) downward 3 ° inclined form is formed to gradually descend toward the rear from the front portion 110, the inclined portion 1130 is formed. In addition, the lower surface formed by the locking jaw 120 meets the vertical portion 140, and consists of a horizontal.

In addition, the upper cover (not shown) of the lamp installed in the center line of the taxiway, the pilot of the aircraft taking off / landing at night or day to inform the pilots of the taxiway by the light color change of the guideline center line and section The lamp cover is provided for the purpose of forming a plurality of spaces for fastening the bolts on the outer side of the disc-shaped body, forming a rectangular prism mounting portion in different directions inside the cover, and an inclined portion extending outwardly from the prism mounting portion. The prism is attached to the prism mounting groove formed in the cover by the locking jaw.

The inclined portion 130 and the vertical portion 140 will be described with reference to FIGS. 2C and 2D.

As shown in FIG. 2D, the rear portion of the front portion on which the inclination portion 130 and the vertical portion are formed is a surface formed between the upper and lower locking jaws formed at the rear of the front portion 110 having a shorter upper and lower length than the front portion. On the other side of the groove is formed a vertical portion 140 is formed at a right angle to a predetermined distance of about 5mm, and the other side of the vertical portion that meets the lower locking jaw, that is, the upper locking jaw The inclined portion 130 is configured to maintain a predetermined angle d of about 54 ° from the surface formed by 120 to the other side where the groove is formed.

In addition, as shown in Figure 2d, when viewed in plan view the inclined portion 130 of the prism is made of a square shape rounded four corners, the same shape as the front portion 110.

The present invention is not limited to the above-described embodiments, and various changes can be made by those skilled in the art without departing from the gist of the present invention as claimed in the following claims.

As described in detail above, a plurality of prism patterns having a triangular cross section having a predetermined pitch width are formed on the front surface of the prism, thereby providing a light having high luminance to the pilot of the aircraft even in bad weather. Clear indication of the center of the curved taxiway reduces accidents during takeoff and landing.

Claims (9)

In the prism provided in the lamp cover buried in the center of the linear guideway, The inner edge is formed in a rectangular shape, a plurality of prism patterns are formed inside the rectangular shape, the outer edge is a rectangular front portion rounded four corners of the outer edges while maintaining a predetermined distance from the inner edge, the front The rear portion of the front portion is 15% to 20% shorter than the upper and lower lengths of the front portion, so that the upper and lower locking jaws formed with grooves formed on one side of the front and rear portions of the front portion and the other side formed with the grooves of the lower locking jaws are vertical to a predetermined length. The vertical part maintaining the upper part and the other side of the rear of the front part in which the upper and lower locking jaws are formed are gradually widened from the upper side to the lower side, and the surface where the upper side forming the locking jaw and one side of the vertical part meet a predetermined inclination angle. Lamp cover for induction lamps comprising an inclined portion to be maintained, the front portion, the locking step, the vertical portion and the inclined portion Algorithm. The method of claim 1, wherein the front portion A lamp cover prism for an induction lamp, characterized in that the four corners where the corners meet are formed into a rounded rectangular shape having a string length of 19 mm or less and a radius of curvature of 13 mm or less. The method of claim 1, The prism is a transparent hard Pyrex lamp cover prism, characterized in that. The method of claim 1, wherein the plurality of prismatic patterns A first prism pattern formed of a triangular shape having a predetermined pitch width and comprising a first peak P1 formed by the first inclined plane and the second inclined plane, and a second peak formed by the third inclined plane and the fourth inclined plane ( A second prism pattern composed of P2), a third prism pattern composed of a third peak P3 formed by the fifth inclined plane and the sixth inclined plane, a seventh inclined plane formed between the third inclined plane and the horizontal plane 119; An eighth inclined surface formed between the seventh inclined surface and the horizontal surface 119, The first valley D1 where the first inclined surface of the first prism pattern and the fourth inclined surface of the second prism pattern meet, and the second inclined surface of the first prism pattern and the fifth inclined surface of the third prism pattern meet The fourth valley D4 where the second valley D2 and the third valley D3 and the seventh slope of the second prism pattern meet, and the sixth slope and the eighth slope of the third prism pattern meet. Lamp cover prism for induction lamps, characterized in that consisting of. The method of claim 4, wherein the plurality of prism patterns, It is formed in a triangular shape having a predetermined pitch width, the first, second and third peaks (P1, P2, P3) of the prism pattern is rounded to have a predetermined chord length and a radius of curvature of 0.2 mm or less, The first, second, and third peaks P1, P2, and P3 of the plurality of prism patterns maintain a predetermined distance from the horizontal plane 119. An internal angle formed by the extension of the first inclined surface 111 and the fifth inclined surface 115 to the horizontal plane 119 and an internal angle formed by the extension of the second inclined surface 112 and the fourth inclined surface 114 to the horizontal plane 119 ( a) is 10 ° <a <= 17 °, An internal angle formed by the extension lines of the third inclined surface 113 and the seventh inclined surface 117 and the horizontal surface 119, and an internal angle b formed by the extension lines of the sixth inclined surface 116 and the eighth inclined surface 119. Is 0 <b <= 10 °, The seventh inclined surface 117 and the horizontal surface 119 meet, rounded to have a predetermined chord length and a radius of curvature of 0.2 mm or less, and the eighth inclined surface 18 meets the horizontal surface 19, A lamp cover prism for an induction lamp, characterized in that it is rounded to have a string length and a radius of curvature of 0.2 mm or less. The method of claim 5, The first cover (D1) and the second valley (D2) is a lamp cover prism for the induction lamp, characterized in that the distance to the horizontal plane 19 is 1.9mm or less. The method of claim 5, Lamp cover prism for the induction lamp, characterized in that the third valley (D3) and the fourth valley (D4) is 1.3mm or less from the horizontal surface (119). The method of claim 5, Lamp cover prism for the induction lamp, characterized in that the angle between the first bone (D1) and the second bone (D2) is 146 ° or more. The method of claim 5, The lamp cover prism for the induction lamp, characterized in that the angle formed by the third valley (D3) and the fourth valley (D4) is 160 ° or more.

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