TWI344528B - Led lighting device and illumination method - Google Patents

Description

1344528 IX. Description of the Invention: [Technical Field] The present invention relates to an LED lighting device, and more particularly to an LED that is arranged in an array on a curved surface using a high-power LED, which can effectively achieve the entire illuminated surface. High-brightness and uniform illumination, no 'illumination dead angle and light pollution'. [Prior Art] In recent years, as the luminous efficiency of LEDs has increased by 1 times, the cost has decreased by 1 time, and its development in the field of illumination Prospects, attracting global lighting manufacturers have joined the LED light source and market development. Taiwan, the United States, Japan, Europe and China have all launched semiconductor lighting plans. At present, the rapid economic growth and the contradiction of energy shortage are becoming more and more obvious. The energy consumed by lighting accounts for about 1/6 of the total electricity consumption. Therefore, improving the efficiency of lighting products will undoubtedly reduce energy consumption, and effectively alleviate the current environmental protection. Energy-saving tensions. “LED lighting” has been listed as a priority policy and key area for energy conservation by the country. “Green lighting projects are being promoted, and LED street lights are important energy-saving applications for LED lighting technology. Φ The current traffic road lighting design usually adopts the light distribution curve of the conventional light source and has a wide-angle circumferential normal distribution. Nowadays, most of the road lighting design adopts single-sided illumination, which will cause the local light source to be wasted in the edge lighting; Because according to the current traffic design standards, the road direction streetlights are generally three times as high as the lamp height. Due to the light distribution curve of the conventional light source, some dark areas that cannot be illuminated by the light source are caused. This not only causes waste of energy, but also brings great inconvenience to night driving. For example, highway lighting, road width llm, need 3 〇 m to set a street lamp (light height 12m), as shown in Figure 1, using a single lamp illumination, single light spot radius is m 4 1344528 5.5m' then spot area 3 l4x5 .5mx5 5m = 95rri, and the spot between the two lights does not cover the road surface area of 30mxilm-95 rrf =235 πί. If the spot area is increased, the adjacent two spots can be connected. As shown in Figure 2, the large-angle LED is used. The single-light spot area is 3 14xl5mxl5m = 7〇6 5(1), and the single-lamp illumination surface area is 3〇mXUm = 330 hearts. The area outside the road surface is 706.5 m2 - 330 ni = 376.5 irf, accounting for 53.2% of the total area 'so its effective rate is 46 8%; this way the shaft solves part of the dark band between the two lights (residual dark band Area a) 'But it causes more than half of the light effect waste (light damage zone b), and because the spot is large, the illumination is weak. The US CREE website reveals an LED street light 6 as shown in Figure 3. The street light 6 is distributed by six or eight sets of LEDs on the "V" shaped light fixtures 4, 5, and the middle two groups are bare lamps. LEDla', lb'' of the two sets of LEDla, to vertically illuminate the road surface, and the remaining groups _%, 2b', 3a', 3b' are respectively disposed at the "v"-shaped light stand 4 at an angle of not jg. 5, up, and a lens cover is provided outside the lamp cap, so that the turn is increased. This will form six or eight side-by-side circular spots on the road surface. However, there will still be dark areas in the two light barriers. In order to solve the above problems, CR£E will increase the number of LEDs in each group to increase each The area of the circular spot is shown in Figure 4. At this time, the single-light spot area is about 31.4xi5m = 471 m2 (calculated as an approximate rectangular illumination surface), and the single-lamp illumination target road area = 30mxilm = 33()πί, single light The area outside the spotted road surface is 471m _330 m2 = 141m%, which accounts for 3〇% of the total spot area. Therefore, the effective irradiation rate is 7〇. In addition, this street lamp has a defect that the light spots are uneven. In addition, OSRAM uses a new elliptical lens to create a rounded spot on the road surface, but as shown in Figure 5, the brightness ratio of the center and edge of the spot is 4, and the edge illuminance does not meet the requirements, especially in the fog. On days or rainy days, the brightness of the edges may be less or even dark. 5 iS3 1344528 On the basis of Figure 2, Taiwan Guangbao Company uses a light-shielding method to reflect the H-side reflection method of the light-reflecting circuit surface that is irradiated outside the road surface. The solution solves the waste of light efficiency, but the brightness of the center of the spot and the brightness of the two ends is less than 4, and the luminosity of the edge is less than the requirement. Especially in foggy or rainy days, the brightness may be less or even dark. The Chinese Patent Publication No. c. 9-segment split type LED projection illumination method discloses a led street light. The solution is to determine the number of the viewing surface and the large god LED;

God illuminates two lights; s 峨 峨; other _ can be divided into adjacent and distributed according to a certain rule - each illuminated surface unit 'returned unit with the amount of high-power LED lights 3_; __ grade 4x郷 lens transmittance / flatness required by the face; but the patent does not consider that the street light is set on the pole of nm high, the distance from the LED... to the ground is 12m to 2 The actual receiving end is a single pixel point on the surface of the object (the price of the lens is extracted), the transmittance is less than the patent, so the brightness is much smaller than the patent. The 15 Lux mentioned in the above, so the number of its lamps is obviously not as good as the patents, so it has no industrial applicability. In addition, as the patent is as shown in Figure 6, its peripheral LEDs are ring-shaped and therefore On the ground _ the surface can only be _ or ellipse _, can not achieve the rectangular illumination of the road. Chinese patent ZL200720039483.1 discloses a high-power LED street lamp. As shown in Fig. 7, the specific embodiment is: (<7b is blocked at both ends, 81) is a fin-shaped heat sink, % is a housing, l〇b It is a thermal conductive adhesive, lib is a printed circuit board, i2b is a sealing ring, 13b is a light-emitting lens, 14b is a light-emitting diode, 15b is a light-transmitting cover, and 16b is a sealing fixing hole). The LED 14b is mounted on the aluminum-based printed circuit board lib, the aluminum-based printed circuit board 11b is embedded inside the base of the lamp housing, and the light-emitting lens 13b of the LED 14b is transparently connected to the housing, and the housing 9b is provided with wings. Deformation [S] 6 1344528 Hot sheet 8b 'LEDs 14b are evenly distributed in the transmissive cover 15b in the longitudinal direction or in a ring shape or in an array. According to the patent: the lens arrangement of this patent is similar to the C arrangement of CREE, except that the form is changed to an inverted V shape (the same as the hourglass shape of the patent 200720005613.X), and similarly formed on the illuminated surface is similar to the CREE street light. The spot; therefore, the patent will also produce the same problems as the CR£E street light. Nowadays, most of the general LED street lamps adopt integrated design (for example: Lite-On, special), drive power supply, waterproof casing, LED, etc. are all accommodated together. When a failure occurs, the maintenance needs a whole group of disassembly, which is very inconvenient; And the two power sources of the driving power supply, the heat in the same space will have a large thermal interference, once the heat is not distributed in time, it will affect the working efficiency and life of the led. SUMMARY OF THE INVENTION The present invention employs a wide-area multi-angle illumination method. Each LED provides illumination for a corresponding illuminated unit. Therefore, the content of the present invention is to provide a LED illumination lamp with a large illumination range and uniform illumination brightness, and within the effective illumination range, the illumination ratio at the brightest and darkest portions is close to i: 丨, no black band, no light pollution. And the method of irradiation. In order to achieve the above-mentioned eyesight, the method includes: dividing a road surface controlled by a single LED lamp into a plurality of square irradiation areas, all of which are covered with a required irradiation road surface; The LED luminaire is mounted with a plurality of LEDs distributed in a curved curved array, the number of LEDs being the same as the number of the irradiated regions, and each of the LEDs is respectively provided with a convex lens to adjust each convex lens and an LED corresponding thereto. The distance between each LED makes the spot on the road surface touch the external area of the Wei area, and the edge portions of the adjacent two spots overlap; the illumination ratio of the brightest part and the darkest part of the illuminated road surface is appropriate. The configuration of S3 7 1344528 can make the illumination ratio of the brightest part and the darkest part of the illuminated road surface close to i. The number of illuminated areas satisfies the effective riding rate of the luminaire at least G.75, and the effective illuminating rate is the ratio of the effective illuminating area of the luminaire to the total illuminating area of the luminaire. There are at least two illumination areas in the width direction of the S road surface, and the illumination areas on the left and right sides of the lamp pole are symmetrically distributed with respect to the lamp poles. With appropriate configuration, the effective illumination rate is at least 0.75. The area of each illumination area is roughly the same. The light of each LED on the road surface should completely cover the configuration of each illumination area. The area of the adjacent two illumination areas is different, and the spot of each of the LEDs on the road surface corresponds. Full coverage of each illuminated area. Each of the LEDs has the same luminous efficiency and the same driving current. However, the luminous efficiency of each LED can also be different, or the driving current provided for each LED is different. The present invention includes a 'lighting' LED module, a led module, a fixed module and a driving power module; the lens module includes a lamp cover and a convex lens mounted on the lamp cover, the LED module The group consists of a fixed tube body and an LED mounted on the fixed tube body. Each LED has a one-to-one correspondence with each convex lens, and the light emitted by each LED can pass vertically through the corresponding convex lens, and the LED is in a curved surface. Array distribution, the adjacent two LEDs overlap on the edge of the spot on the road surface, and all the LED spots are covered with the required illumination surface; the number and distribution of the LEDs must satisfy the effective illumination rate of at least 0.75, and the effective illumination rate is The ratio of the effective illuminated area of the luminaire to the total illuminated area of the luminaire. The invention also provides a method for arranging LEDs on LED luminaires, comprising: (1) dividing a road surface controlled by one LED luminaire into a plurality of square illuminating areas, all of which are covered with a surface to be illuminated; Formed for each LED on the road surface

i SI 8 The inscribed square of the spot, the number of the illuminated area is the number of LEDs on the lamp, and the number and distribution of the LEDs must meet the effective illumination rate of 〇75 or more; (1) As shown in Figure 8, the X-axis is In the length direction of the road, the γ axis is the width direction of the road, and the z axis is the direction of the height of the pole. 'Na finds the money. · LED outlines the installation position on the LED luminaire: a=arcCos^l±i^lz^ 20Μ·ΜΝ P=arcCos ^±^_I^ 2ΜΡ·ΜΝ

Y=arcCos MQ + ΜΝ2 - NQ2 2MQ*MN where OP is the lateral distance from the pole to the center of the illumination area, PN is the longitudinal distance from the pole to the center of the illumination area, 0M is the vertical height of the pole, _ is the LED fixture to the illumination The distance between the center of the area, MN=4〇M2 + OP^ + pn2, α is the angle between the MN connection direction and the pole, β is the angle between the road width and the vertical direction of the road in the MN connection direction, γ is the _ connection direction The angle between the road length and the vertical direction of the road surface;

(3) According to the calculated angle, each LED is mounted on the LED lamp, and the irradiation distance and position of any LED in the illumination range of the LED lamp can be calculated by the above formula” to achieve the entire illuminated surface. The uniform illumination makes the illumination ratio of the brightest and darkest parts closer to i: 1. It is possible to use led lamps of different luminous efficiency (same current, different lumen values) or to provide different driving currents for the same LED. Circuit control: Because in the specific environment or illuminance requirements, we need more brightness to meet the demand, so we need to increase the output constant current current, use the original LED to obtain higher luminous flux and Illumination, this adjustment method is four-stage adjustment: Four-stage adjustment:

I wheel voltage: 100~264VAC 2. Rounding voltage range·· 10V~42VDC 3* Round current adjustment number: 350mA, 500mA, 700mA, 1000mA 4, the maximum wattage available per band: MAX 15W 5 ·欵 rate: 80% (estimated) 6. Mean time between failures (MTBF): 100,000 hours*7. Surge Immunity Test (ΕΝ61000-4-5 LN 1KV; LG 2KV; NG 2KV), IP65 8 . Short circuit protection (AUTO RECOVER)

9. Temperature rise: 25 °C Voltage adjustment method: DIP switch or damping adjustment (DAMp) method has a number of heat dissipation inner fins on the cover of the lampshade, wherein the outer fins are provided with curved outer fins, An air passage is formed between the fin and the lamp cover in a radial direction of the heat dissipation inner fin. The LED history is placed on a plurality of sets of modules, and a transparent cover integrated with a convex lens is arranged on the module. The LED street lamp has an arched body, and the LED module is placed at one end by a bracket, and the driving power is placed at one end. The power supply is a sealed power supply box corresponding to the number of LED modules, and the driving power module is separated from the LED lighting module. Each power supply box is provided with a constant current power supply equal to the number of LED modules, and the constant current power supply has two ends. Plug in the high and low voltage sockets. In the lamp housing of the LED lighting fixture module, the bottom surface is formed by a plurality of small planes of different angles, each of which is provided with an LED fixing hole, and the LED is fixed on the shell of the lamp 1344528 through the fixing hole; the LED lighting The lampshade is wavy, and a convex lens is disposed on the lampshade corresponding to each LED. The convex lens is perpendicular to the LED light path. The LEDs are fixed on the bottom of the lamp shell by screws, and each of the LEDs has a gasket to control the thickness and the number of the spacers to control the distance of each LED to its corresponding lens, thereby realizing the adjustment of the focal length. The size of the spot produced by each LED through the lens. The LED, the middle part of the lighting fixture, the miscellaneous flat lampshade, and the lens at the front of the LEDs at both ends adopt a wide-area multi-angle illumination method. # After adopting the above technical solution, since each LED corresponds to an illumination area on the road surface and the spot S LED is abandoned light instead of diverging light, the brightness is relatively uniform. The size of the spot is controlled by adjusting the lens means. The stop may be edge-connected or edge-formed. The LEDs of each material on the pure domain of the secret photo are covered by the county, so there is no illumination dead angle. The brightness of the whole surface is very uniform. At the same time, all the LEDs are illuminated in the corresponding area, and will not illuminate the outside of the surface. Will produce light pollution, there will be no waste of light effect; and responsible for the LED model domain _ electricity group _ separation settings, to avoid between the heat source __ interference 'lower LED temperature rise and material output rate; After separation, it can also significantly reduce the wind resistance and increase the heat dissipation area; and the modular human design also makes the later maintenance very convenient (the power or coffee of each module is damaged, no need for immediate maintenance, because other The module can still work normally without affecting the lighting, and only needs regular maintenance.) [S3 11 1344528 [Embodiment]

The invention will be described in detail below in conjunction with the accompanying circle. As shown in Figure 8 and Figure 10, the radiant surface will be equally divided so that each LED axis is on the road surface - the side is illuminating the secret domain, and (4) each LED

Only responsible for a small area of illumination, so only the LED responsible for the illumination of the edge area will have a waste of light source as shown in Figure 10: For a long L width w, the plane is divided into side length axa The η aliquot 'circle Φ ΐ 3 with diameter b is the pixel point of the single LED plus lens required on the illuminated surface. According to the parental area, the normal irradiation area B2, the overlapping photos of secret yang (two adjacent spot overlapping areas), and the light damage H B1 (outside the required irradiation area), but the range of the area is very small as shown in the figure. Basically negligible, the area of the light-damage area of a single spot S light damage = (πχ(备)2-£/2)/4; S-face"=πχ (Ready) 2 = * 0.091 rr-2 4π Compared to the total Irradiation area

S total light damage _ S light damage X S area S area X η

Note: λ: is the number of light damage areas, η is the number of equal parts of the illumination surface, when single spot illumination, Π, 11=1, at this time the dragon is G.364, but we know this wide-area multi-angle LED luminaires are used for a wide range of projection and floodlighting, so the number of led will be more, the value of η will far sweep the age of the ship, __ 峨 _ _ coffee lighting light pollution approaching 0, the effective exposure rate will approach i. As shown in Figure IX: after the light energy of the LED of the illuminating source is focused by the lens, it is projected into the surface irradiated by 12 1344528, and the total luminous flux and the receiving end (the surface of the irradiated object) of the emitting end (led end) The flux of Weiguang is not an outline, because they will be the parameters of the light, the distance of the light source from the surface of the object, the interference of other light sources, the extraction rate of the lens, the transmittance of the lampshade, the volume of small particles of the air cap, etc. The effect is that the total luminous flux emitted at the transmitting end and the total luminous flux received at the receiving end satisfy the following formula:

The effective luminous flux of a single pixel on the surface of the object at the receiving end = (the total luminous flux of the LED corresponding to the emitting end X thermal attenuation factor X lens floating rate + residual light) χ transmittance X distance loss factor Φ effective = EV + uniform χΑ = ( Φνχρχη + φ residual light) χχΧμ Εν average (illuminance: the average illuminance of the surface of the object is measured or designed); unit: lux 1 lux = 1 lm/m2 ); A (area unit illuminated by the object) : square meter; Φν (emitter Lin should LED light flux, LED model and its i parameters, unit: lumens lm); P (thermal attenuation factor 'LED luminous efficiency will be affected by the working environment and component temperature changes , the value is between 0 and 1); η (lens extraction rate, the amount of light emitted by the LED is refracted by the lens focus and the ratio of the total light emitted by the coffee, the distance between the LED and the lens, the LED once The angle of illumination is related to the effective optical area of the lens, and its value is between 〇~1); Φ remaining* (because the illumination source of the LED luminaire is not a single LED but multiple LED arrays, the UD sources will interact with each other, The size of the light value and the arrangement of the LED array Equation, and the distance between the lens, unit: lumens lm); λ (transmittance 'the lens of the LED luminaire and the transparent lampshade, are all injection molded by pMM acryl, [S1 13 because the light will pass through the transparent material There is loss, the loss is related to the material of the transparent material, the value is between 0~1); from (the light passes through the lens and the transparent lampshade, the light is emitted, and then after a certain distance to reach the surface of the irradiated object, the light passes through During the process, the light is weakened by the reflection and absorption of tiny dust particles, small droplets, etc. in the air, reaching the surface of the object to be irradiated; the value is related to the irradiation distance, the temperature and humidity of the air, the weather conditions, and the like. The value is between 〇~i); by the above formula, under the condition of understanding the area requirements (area and average illuminance), the luminous efficiency required for the LED lighting fixture or the driving current of the LED can be obtained. And the total number of LEDs. Take the speed highway as an example. If this lamp is used: the 12m pole can reach 3〇m (lamp distance 3〇m) by Um rectangular illumination range, the farthest illumination distance from the lamp is 22m If the average illuminance requirement at 22 claws is 15 Lux, the single lamp provides a circle with an irradiation area of Φ25ηι, according to the formula Φ 纽 Ε χΑ χΑ χΑ ; (Φνχρχη+φ^) χχχμ, with appropriate parameters can be used to calculate the responsibility The illuminated LED at this location requires 1 lumen of total luminous flux. The entire illumination area is s = 30mxum = 330m2, and the average illumination of the entire area is 15Lux. It is also calculated according to the above formula, we only need 8,000 lumens (ie The total luminous flux of 100 80 lumens LEDs can meet the illumination requirements. As shown in Figure 12 and Figure 13, the LED lamp of the present invention consists of a lens module, a heat sink, a LED module 3, and a fixed The module 4 is composed of a lens cover 1 and a convex lens 丨 2; the LED module 3 is composed of a fixed body 31 and an LED 32; and the fixed module 4 is composed of a main beam 41 and a sub beam 42. The LEDs 32 arranged in a curved curved array are mounted on the fixed pipe body 31, and each of the set 1] is arranged in a Wei shape on the slab, and then mounted on the main beam 4 ι, and two adjacent sub-standards are formed. The angle between the tubes is divergent. The surface of the lamp cover 11 of the lens module i has a plurality of sets of steps. 'Each pure surface corresponds to the fixed tube body 31. The stepped step surface has a convex lens 12'. The convex lens π may be integrally formed with the transparent lamp cover u, or It is. A through hole is formed in the step surface, and the convex lens 12 is miscellaneous or otherwise disposed in the through hole. The purpose of the moonlight cover 12 not counting the steps is to make the convex lens opening perpendicular to the light emitted by the LEDs 32 on each fixed body μ to achieve the effect of focusing, by adjusting the distance between the convex lens 12 and the coffee 1 The light emitted by the LED 32 forms a spot on the illuminating object. Since the fixed tube body is arranged in a divergent setting, it is possible to scream the coffee on each of the thin green 胄 31 _ light illuminates different regions respectively to realize the zone riding, each side of the body The spot formed by the LEDs 32 on the 31 can be independent of 'can also be adjusted to make the fine edges meet; the assembled lens module 1, the mold > and 3 and the peripheral heat dissipation module 2 are assembled and passed The main beam a and the pole joint 44 of the fixed module 4 are fixed on the pole. The housing heat dissipation module 2 has five groups of 2, 22, 23, 24, 25, and is provided with a plurality of heat dissipation inner sheets 26, as shown in Fig. 14, an arc with a curved outer surface, fins 27 and The heat dissipation inner fin 26 forms a radial air passage on the upper surface of the heat dissipation module 2. As shown in FIG. 15, 16, 17, and 18, the LED lighting device is composed of a lighting module (composed of a lens module la and an LED module 2a), a fixed module 3a, and a driving power module 4a; The lighting module is set in the 1G group's two rows in a chessy bridge shape in the form of a divergence in the @赖组. The fixing module 3a is composed of a fixing piece 31a, a support frame, a main support rod 33a, a lamp joint 34a, a circlip 35a, and a fixing screw 36a. The driving power module and the group 4a are arranged on the support frame. The group 4a is provided with a constant current driving electric power 1344528 source 41a, and the two ends of the constant current driving power source 41a are respectively connected to the high and low voltage sockets, and each group of illuminations and modules includes 10 pieces. The composition of the LED lamp (the basic standard power consumption of the 350mA current is i〇w, the specific power consumption is determined by the current supplied by the driving power module, and is an adjustable value). When the standard power consumption is • l〇〇W, the reduction is performed. LED lamp size, LED lighting module is divided into two groups, the first 4 modules, the rear 6 modules are arranged in parallel. After adopting the above scheme, the LED and the power supply are modularized. When one module is damaged, the illumination of the whole lamp is not affected. The plug-in method can be used for convenient maintenance and low cost; in addition, the electric source and the LED are respectively set to facilitate heat dissipation. In addition, a heat sink can be arranged between the two arc surfaces. After adopting the modular LED lamp and power supply, when one of the LEDs or the power supply fails, it will not affect the illumination of the entire led lamp. Therefore, it is not necessary to turn around, but only the rest will be maintained for maintenance, and at the same time, only one of them will be replaced. Module ' does not need to remove the entire lamp for replacement. As shown in FIG. 17, the lighting module is composed of a lens module 1M 〇 LED module 2a, a lens module 1a and an LED module 2a are mounted in the lamp housing 5a, and the inner surface of the _5a is a multi-angle step surface. The angle of each step surface is divergent, and one #LED2U is fixed on each step surface. The group is placed above the LED module & the surface of the lens module is also a multi-angle step surface, each step The angle of the surface corresponds to the angle of the lamp housing 5a. Each of the step faces of the lens module is provided with a convex lens 11a which is perpendicular to the optical path of the curry, and there is a whole between the L position a and the lamp housing 5a. Piece 6a 'The cymbal has a variety of specifications by adjusting the thickness of the gasket to the LED21a and the lens __, so that the light emitted by the society is shaped on the object, and the face is screamed by the new shell 5a _卩 is set in divergence, so the light emitted by the LEDs 21a on each step surface is divided into different regions, thereby realizing the partition illumination. The light formed by the brain 1& on each step surface is sighable and independent. [S3 16 1344528 spot edge is connected; lens module 1 is fixed by snap ring Sla Upper casing 5a, intermediate lens module la and 5a facing the lamp envelope silicone waterproof 7a, after pressed to the role of water. As shown in FIG. 18, the driving power supply module 4a is composed of a constant current driving power source 4ia, a sealing ring 42a, an upper cover 43a, a low voltage terminal 44a, a buckle 45a, a housing 46a, and a high voltage terminal 47a. (4) Driving power supply, 413 Placed in the housing 46a + 'the two ends of the constant current driving power source 41a are the low voltage terminal 44a and the high voltage terminal 47a respectively. The AC input and the DC output are respectively connected by a waterproof interface terminal for convenient connection and maintenance, and the assembly operation is performed. There is a sealing ring _ 42a between the housing 46a and the upper cover 43a pressing the 42a to seal the waterproof. Since the LEDs are arranged at different angles, the illumination of the irradiated objects can be realized. The LEDs on each set of the guide pillars can be of different colors, such as green for illuminating the grass, and the blue illuminated illumination channel for the illumination pool is difficult to use. Sidewalk secret color, etc., each installation guide post can be set with two or more different color LEDs, according to the needs of 'by circuit control to realize the light emitted by the LEDs on each mounting guide column to present different colors, the color can be Fixed can also be gradual or flashing for jumping' and multiple sets of led can also realize the function of the marquee. • The street lamp illumination area of the present invention can also be partitioned by angle. After the secondary optical lens is added, the illumination angle of the LED will become smaller. By adjusting the distance between the LED and the lens, the illumination angle will vary between several degrees and 30 degrees. -| The led lamp forms a number of spots on the riding surface that are arranged in an array of uniform brightness. As shown in Fig. 19 and Fig. 20, in order to reduce the volume of the street lamp and reduce the wind resistance, the present invention can also use the light or the 0SRAM in the middle of the road length direction to illuminate the LEDs at both ends of the road length direction. The lens is set in the part, and the characteristics of the lens concentrating are used to fill the edge, which solves the problem of dark edges in the middle of the street lamps of OSRAM and Lite-On.

[SI 17 1344528 In addition, because this new type uses zoned illumination, the human eye only sees at most two half of the LEDs, so it does not produce glare, it is safer and there is no light pollution. Figure 1 is a schematic diagram of the illumination of the road surface of the conventional street lamp; Figure 2 is a schematic diagram of the illumination of the road surface of another conventional street lamp; Figure 3 is a schematic diagram of the structure of the street lamp of the American CREE company; Figure 4 is a schematic diagram of the road surface illumination of the American CREE company; Figure 6 is a schematic diagram of another comparative technical structure; Figure 7 is a schematic diagram of another comparative LED structure; Figure 8 is a schematic diagram of the single LED illumination angle of the present invention; Figure 9 is a schematic diagram of the LED optical path of the present invention; 10 is a schematic diagram of the filling of the light spot of the present invention; FIG. 11 is a schematic diagram of the simulation of the light damage of the invention; FIG. 12 is a combined view of the technical solution of the present invention; FIG. 13 is an exploded view of the technical solution of the present invention; FIG. 15 is a combination view of the technical solution of the present invention; FIG. 16 is an exploded view of the second technical solution of the present invention; FIG. 8 is an exploded view of the power supply box structure of the technical solution of the present invention; FIG. 19 is a schematic diagram of the third light spot of the technical solution of the present invention FIG twenty three is a schematic structural aspect of the present invention. 1344528 [Key component symbol description] [Practical]

a Residual dark zone b Light damage zone la,, lb, 2a, 2iy, 3f, 3W LED 4, 5f "V" shaped lamp stand 6' LED street light 7b Both ends blocked 8b Fin-shaped fin 9b Housing 10b Thermal conductive adhesive lib printed circuit board 12b sealing ring 13b light-emitting lens 14b light-emitting diode 15b light-transmitting cover 16b sealing fixing hole

[This creation] 1 Lens module 11 Shade 12 Convex lens 2, 21 ' 22'23 ' 24'25 Enclosure heat sink 26 Heat sink fin 27 Curved outer fin 3 LED module 31 Fixed body 32 LED 4 Fixed Module 41 Main beam 42 Sub beam 43 Main beam 44 Light pole connector 5 Drive power module 1344528

La lens module 11a convex lens 2a LED module 21a LED 3a fixing module 31a fixing piece 32a support frame 33a main support bar 34a lamp bar connector 35a card 36a fixing screw 4a driving power module 41a constant current driving power source 42a sealing ring 43a Upper cover 44a Low voltage terminal 45a Buckle 46a Housing 47a High voltage terminal 5a Lamp housing 51a Retaining ring 6a Gasket 7a Silicone waterproof strip A1 LED A2 Lens A3 Transparent lampshade A4 Main beam A5 Afterglow light A6 Main illumination surface A7 B1 Light damage zone B2 Normal illumination zone B3 Overlapping illumination zone 20 i si

Claims (1)

1344528 X. Patent application scope: 1. The illumination method of LED lamps, including: dividing the road surface illuminated by a single LED lamp into a plurality of square firing areas, where the money shooting area is full of roads to be ridden; The LED lamp is mounted with a plurality of LEDs arranged in a curved curved array, the number of the LEDs being the same as the number of the illumination regions. Each of the LEDs is respectively provided with a convex lens, and each convex lens is adjusted and The distance between the corresponding LEDs is such that the spot on each road surface is circumscribed to the corresponding illumination area and the two optical axis edges are partially overlapped; the illumination ratio of the brightest part to the darkest part of the dragon riding surface is The number of 0.5 to the area of the irradiation area satisfies the effective irradiation rate of the lamp at least 0.75, and the ratio of the area of the ship's area of the mechanical duck area of the towel. 2. The method according to claim 1, characterized in that at least two illumination areas are provided in the width direction of the road surface, and the illumination areas on the left and right sides of the light pole are symmetrically distributed with respect to the light pole. 3. The method of claim 2, wherein the effective illumination rate is at least ^75^4, the method of claim 2 or 3, characterized in that: • the area of each illuminated area In general, the spot on each of the LEDs on the road surface completely covers each of the illuminated areas. 5. The method of claim 2 or 3, wherein the areas of the adjacent two illumination areas are different, and the spot of each LED on the road surface completely covers each of the illumination areas. 6. The method according to claim 2 or 3, characterized in that: each of the LEDs has the same luminous efficiency and the same driving current. 7. The method according to claim 3, characterized in that: the surface to be illuminated is the most The illumination ratio in the brightest part and the darkest part is closer to 1. 8. The method according to claim 7, characterized in that: the luminous efficiency of each LED is different, or [S1 21 1344528 17, such as LED lamps of the four positions of the requester, the ship is: the convex pro (9) and The transparent lampshade (11) is formed by body molding, or a through hole is formed in the stepped step, and the convex lens (12) is installed in the through hole. 18. The LED lamp of claim 1 , wherein the heat dissipation template (2) comprises a plurality of heat dissipation inner sheets (26), and the outer heat dissipation inner piece (26) is provided with a curved outer Korean piece (27) for dissipating heat. The inner fin (26) and the curved outer tab (27) form an air passage through which airflow can pass. 19. The LED lamp of claim 1 wherein: the LED lamp has n lens modules (la), n LED modules (2a), and n driving power modules (4a), wherein The n driving electric circuit sets (4a) are arranged in a divergent manner on the fixed module (3 cores; η is a natural number greater than or equal to 2. 20, the LED lamp according to claim 19 The fixing module (3a) is composed of a fixing piece (31a), a supporting frame (32a), a main supporting rod (33a), and a lamp joint (34a), a spring (35a), and a fixing screw (36a). In the composition, the driving power module (4a) is disposed on the support frame 2a). The LED lamp of claim 20, wherein each of the driving power modules (for example) has a constant current driving power source (4ia) equal to the number of LED modules (2a). The two ends of the constant current driving power source (41a) are respectively connected to the high and low voltage sockets. 22. The LED lamp of claim 19, wherein a heat sink is disposed between adjacent two Lm:) modules. 23. The LED lamp of claim 14 or 19, wherein the distance between the LED (32) and the convex lens (12) is adjusted by means of a spacer. The LED lamp of claim 14, wherein the LED module has at least two LED modules in the width direction of the road surface, and the LED modules on the left and right sides of the lamp bar are symmetrically distributed with respect to the lamp pole. [S3 24 1344528] The LED lamp of claim 24, wherein the effective illumination rate is at least 〇75. 26. The LED lamp of claim 14 or 19 wherein: each of said LEDs has the same luminous efficiency and the same driving current. 27. The LED lamp of claim 14 or 19, wherein: each of the LEDs has different luminous efficiencies 'or each of the LEDs is monotonously current, and each of the LEDs is driven by a four-stage adjustment adjustment. Adjust to 350mA, 500mA, 700mA and 1000mA as needed. 28. The LED lamp of claim 14 or 19, wherein the illuminating color of each of the LEDs can be varied according to requirements to achieve divisional color separation illumination. 29. The LED lamp of claim 19 or 19, wherein the spot of the coffee in the middle of the road surface is larger than the spot of the rider, and the light is generated on the road surface illuminated by the LED that generates the large spot. Fill light. 30. A method for arranging LEDs on LED luminaires, characterized in that: (1) dividing a road surface controlled by a single LED luminaire into a plurality of square illuminating areas, all of which are covered with a required illuminating road surface, the square is each - (10) The inscribed square of the spot formed on the road surface, the number of shot areas is the number of coffee on the lamp, wherein the number and distribution of LEDs should meet the effective illumination rate of 〇75 or more; (2) Calculate each LED according to the following formula Mounting position on the LED luminaire: a=arcCos-OM-+Mv2-〇jv2- 20Μ·ΜΝ β-arcCos^l^l^l 2ΜΡ·ΜΝ γ=arcCos +MN2-NQ2 1MQ*MN where ' op For the lateral distance of the pole to the center of the illumination area, the PN pole to the illumination area [si 25 1344528 the longitudinal distance of the center of the field, OM is the vertical height of the pole, MN is the distance of the LED fixture to the center of the illumination area, MN=V〇M2 + OP2 + iW2, α is the angle between the MN connection direction and the pole, β is the angle between the road width and the vertical direction of the road in the direction of the ΜΝ line, and γ is the angle between the road length and the vertical direction of the road surface; 3) According to the calculated angle, each will An LED is mounted on the LED luminaire. 26 iSl