A method for evaluating the illumination width of a reflective strip ambient light

Abstract

The present invention discloses a method for evaluating the illumination width of a reflective strip atmosphere lamp. For a reflective strip atmosphere lamp with an LED light source extended light guide and a scattering material panel or a reflective strip atmosphere lamp with an LED light source extended light guide, the upper and lower limit positions of the illumination result are found by using the maximum brightness value of a longitudinal line drawn on the illumination result and the brightness value of the maximum brightness value*10%, and then the upper and lower limit positions of a possible illumination area are combined with data analysis to make an actual illumination area and measure the illumination width. The present invention provides a convenient, specific and feasible new method for calculating the illumination width of an atmosphere lamp. The method allows customers to clearly define the illumination width and the illumination cutoff position, so that everyone can evaluate the illumination conditions of each atmosphere lamp.

Description

Technical Field

[0001] The invention relates to the technical field of automobile lamps, and in particular to a method for evaluating the illumination width of a reflective strip atmosphere lamp. Background Art

[0002] In the past few years, car ambient lights were mostly direct-beam structures with LED light sources plus scattering material panels, or direct-beam structures with LED light sources plus extended light guides and scattering material panels. The LED light sources were mostly monochromatic lights with a single color.

[0003] In recent years, ambient lighting has become popular rapidly. LED light sources use RGB LEDs to achieve a few to hundreds of different colors. The color and brightness can be adjusted according to the surrounding environment, temperature, safety and other factors. The light-emitting forms are also more abundant, mainly including the following types:

[0004] 1. Direct-beam strip atmosphere light with LED light source, extended light guide and scattering material panel;

[0005] Second, there are transmissive atmosphere lights with LED light source plus light guide plate and patterned panel;

[0006] 3. A reflective point light source atmosphere lamp with an LED light source and a scattering material panel, and the luminous evaluation area is a non-panel light emitting surface area;

[0007] 4. A reflective strip atmosphere light with an LED light source, an extended light guide, and a scattering material panel, and the luminous evaluation area is a luminous surface other than the panel light emitting surface area;

[0008] 5. A reflective strip atmosphere light having an LED light source and a lengthened light guide, and a light emitting evaluation area that is other than the light guide emitting surface area.

[0009] The illuminated areas of direct-type strip atmosphere lights and transmissive-type atmosphere lights are both very definite. The illumination effect of reflective point-source atmosphere lights is similar to that of reading lights, and its illumination effect can be evaluated by referring to the requirements of reading lights. Only reflective strip atmosphere lights have different results in terms of brightness, uniformity, and illumination width due to different structures and designs. Although its brightness and uniformity can be evaluated with specific and clear objective values, its illumination width value is difficult to calculate, because there are no specific regulations or standards for what brightness value is considered illumination. Therefore, it is urgent to propose an evaluation method that can objectively calculate the illumination width of reflective strip atmosphere lights. Summary of the invention

[0010] The present invention aims to solve at least one of the technical problems existing in the prior art.

[0011] To this end, the present invention proposes a method for evaluating the illumination width of a reflective strip atmosphere lamp, which has the advantages of convenient and reliable evaluation and the ability to quantitatively analyze the illumination widths of various reflective strip atmosphere lamps.

[0012] The evaluation method for the illumination width of a reflective strip atmosphere lamp according to an embodiment of the present invention is used for evaluating the illumination width of a reflective strip atmosphere lamp with an LED light source extended light guide and a scattering material panel and for evaluating the illumination width of a reflective strip atmosphere lamp with an LED light source extended light guide; the specific evaluation method comprises the following steps: the first step is to clarify the range of the possible illumination area on the illuminated surface from the data, and find out the upper limit position and the lower limit position of the possible illumination area; the second step is to establish a suitable receiving screen according to the observation point and the observation direction for simulation calculation to obtain the illumination result on the illuminated surface; the third step is to draw a longitudinal pull line VL1 at the head of the illumination result, and confirm the maximum brightness value L on this longitudinal pull line VL1 max1 , and then find the maximum brightness value L on this longitudinal line VL1 max1 × 10% position; Step 4, draw a longitudinal line VL2 in the center of the illuminated result, confirm the maximum brightness value L on this longitudinal line VL2 max2 , and then find the maximum brightness value L on this longitudinal line VL2 max2 × 10% position; Step 5, draw a longitudinal line VL3 at the tail of the illuminated result, confirm the maximum brightness value L on this longitudinal line VL3 max3 , and then find the maximum brightness value L on this longitudinal line VL3 max3 × 10% position; Step 6, according to the maximum brightness value L on the head longitudinal line VL1 max1 ×10% position, maximum brightness value L on the central longitudinal line VL2 max2 ×10% position and the maximum brightness value L on the tail longitudinal line VL3 max3 ×10% position to confirm the upper limit position and the lower limit position of the lighting result; in the seventh step, project the lighting result onto the data to find the upper limit position and the lower limit position of the actual lighting on the data; in the eighth step, make the actual lighting area according to the upper limit position of the actual lighting, the lower limit position of the actual lighting and the actual light-emitting boundaries on both sides. The longitudinal section length of the actual lighting area is the lighting width of the atmosphere lamp.

[0013] The beneficial effects of the present invention are: 1. For a reflective strip atmosphere lamp in which an LED light source is extended with a light guide and a scattering material panel, and the luminous evaluation area is other irradiation surfaces than the panel light emitting surface area, or a reflective strip atmosphere lamp in which an LED light source is extended with a light guide, and the luminous evaluation area is other irradiation surfaces than the light emitting surface area of ​​the light guide, the upper and lower limit positions of the illumination result are found by the maximum brightness value of the longitudinal line on the illumination result and the brightness value of its maximum brightness value * 10%, and then the upper and lower limit positions of the possible illumination area are combined with the data analysis to make the actual illumination area and measure the illumination width; 2. The present invention provides a convenient, specific and feasible new method for calculating the illumination width of the atmosphere lamp, which allows customers to clearly understand the illumination width and the illumination cutoff position, so that everyone can evaluate the illumination conditions of each atmosphere lamp.

[0014] According to one embodiment of the present invention, in the first step, it is ensured that the illuminated surface above the upper limit position of the possible irradiation area will never be illuminated, that is, the illuminated surface above the upper limit position of the possible irradiation area will never be illuminated.

[0015] According to one embodiment of the present invention, in the first step, it is ensured that the illuminated surface below the lower limit position of the possible irradiation area will never be illuminated, that is, the illuminated surface below the lower limit position of the possible irradiation area is an area that will never be illuminated.

[0016] According to one embodiment of the present invention, when the upper limit position of the possible illumination area obtained by the data analysis in the step 1 is above the upper limit position of the actual illumination obtained in the step 7, the upper limit of the actual illuminated area shall be based on the upper limit position of the actual illumination in the step 7.

[0017] According to one embodiment of the present invention, when the upper limit position of the possible illumination area obtained by the data analysis in the step 1 is lower than the upper limit position of the actual illumination obtained in the step 7, the upper limit of the actual illuminated area shall be based on the upper limit position of the possible illumination area in the step 1.

[0018] According to one embodiment of the present invention, when the lower limit position of the possible illumination area obtained by the data analysis in the step 1 is below the lower limit position of the actual illumination obtained in the step 7, the lower limit of the actual illuminated area shall be based on the lower limit position of the actual illumination in the step 7.

[0019] According to one embodiment of the present invention, when the lower limit position of the possible illumination area obtained by the data analysis in the step 1 is above the lower limit position of the actual illumination obtained in the step 7, the lower limit of the actual illuminated area shall be based on the lower limit position of the possible illumination area in the step 1.

[0020] According to an embodiment of the present invention, the reflective strip atmosphere lamp having an LED light source, a lengthened light guide and a scattering material panel, has a light emitting evaluation area that is other irradiated surfaces other than the light emitting surface of the panel.

[0021] According to an embodiment of the present invention, the reflective strip atmosphere lamp having an LED light source and a lengthened light guide has a light emitting evaluation area which is an irradiated surface other than the light emitting surface of the light guide.

[0022] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description, claims and drawings.

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 is a schematic structural diagram of the atmosphere lamp of the present invention;

[0026] Figure 2 yes Figure 1 The first cross-section at AA in the middle;

[0027] Figure 3 is the lighting result obtained by simulation;

[0028] Figure 4 yes Figure 3 Brightness distribution diagram of the longitudinal line of the middle head;

[0029] Figure 5 yes Figure 1 Schematic diagram of the first result;

[0030] Figure 6 yes Figure 1 Schematic diagram of the second result;

[0031] Figure 7 yes Figure 1 The second cross-section at AA in the middle.

[0032] The numbers in the attached drawings are: 1, long light guide; 2, scattering material panel; 3, illuminated surface; 4, upper limit position of the possible irradiation area; 5, lower limit position of the possible irradiation area; 6, L max1 ×10% position; 7. L max2 ×10% position; 8. L max3 ×10% position; 9. Upper limit position of lighting result; 10. Lower limit position of lighting result; 11. Upper limit position of actual irradiation; 12. Lower limit position of actual irradiation; 13. Longitudinal section. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0034] The evaluation method of the illumination width of the reflective strip atmosphere lamp is used for evaluating the illumination width of the reflective strip atmosphere lamp with an LED light source extended light guide 1 and a scattering material panel 2 and evaluating the illumination width of the reflective strip atmosphere lamp with an LED light source extended light guide 1. In the reflective strip atmosphere lamp with an LED light source extended light guide 1 and a scattering material panel 2, its luminous evaluation area is other irradiated surfaces other than the light emitting surface area of ​​the panel. In the reflective strip atmosphere lamp with an LED light source extended light guide 1, its luminous evaluation area is other irradiated surfaces other than the light emitting surface area of ​​the light guide.

[0035] The evaluation method of the illumination width of the reflective strip atmosphere lamp comprises the following steps:

[0036] Step 1: clarify the range of the possible irradiation area on the illuminated surface 3 from the data, and find the upper limit position 4 and the lower limit position 5 of the possible irradiation area. Ensure that the illuminated surface 3 above the upper limit position 4 of the possible irradiation area will never be illuminated, that is, the illuminated surface 3 above the upper limit position 4 of the possible irradiation area will never be illuminated. Ensure that the illuminated surface 3 below the lower limit position 5 of the possible irradiation area will never be illuminated, that is, the illuminated surface 3 below the lower limit position 5 of the possible irradiation area will never be illuminated.

[0037] Step 2: Establish a suitable receiving screen according to the observation point and observation direction to perform simulation calculations and obtain the illumination result on the illuminated surface.

[0038] Step 3: Draw a vertical line VL1 on the head of the illuminated object and confirm the maximum brightness value L on this vertical line VL1. max1 , and then find the maximum brightness value L on this longitudinal line VL1 max1 ×10% position 6.

[0039] Step 4: Draw a vertical line VL2 in the center of the illuminated result and confirm the maximum brightness value L on this vertical line VL2. max2 , and then find the maximum brightness value L on this longitudinal line VL2 max2 ×10% position 7.

[0040] Step 5: Draw a vertical line VL3 at the end of the illuminated result and confirm the maximum brightness value L on this vertical line VL3. max3 , and then find the maximum brightness value L on this longitudinal line VL3 max3 ×10% position 8.

[0041] Step 6: According to the maximum brightness value L on the head longitudinal line VL1 max1 ×10% position 6, maximum brightness value L on the central longitudinal line VL2 max2 ×10% position 7 and the maximum brightness value L on the tail longitudinal line VL3 max3 The position 8 of ×10% determines the upper limit position 9 on the lighting result and the lower limit position 10 on the lighting result.

[0042] Step 7: Project the lighting result onto the data to find the upper limit position 11 and the lower limit position 12 of the actual lighting on the data.

[0043] Step 8: Make an actual illuminated area according to the actual upper limit position 11, the actual lower limit position 12 and the actual light-emitting boundaries on both sides. The length of the longitudinal section 13 of the actual illuminated area is the illuminated width of the atmosphere lamp.

[0044] When the upper limit position 4 of the possible irradiation area obtained by data analysis in step 1 is above the upper limit position 11 of actual irradiation obtained in step 7, the upper limit of the actual illuminated area shall be based on the upper limit position 11 of actual irradiation in step 7.

[0045] When the upper limit position 4 of the possible irradiation area obtained by data analysis in step 1 is below the upper limit position 11 of the actual irradiation obtained in step 7, the upper limit of the actual illuminated area shall be based on the upper limit position 4 of the possible irradiation area in step 1.

[0046] When the lower limit position 5 of the possible irradiation area obtained by data analysis in step 1 is below the lower limit position 12 of the actual irradiation obtained in step 7, the lower limit of the actual illuminated area shall be based on the lower limit position 12 of the actual irradiation in step 7.

[0047] When the lower limit position 5 of the possible irradiation area obtained by data analysis in step 1 is above the lower limit position 12 of the actual irradiation obtained in step 7, the lower limit of the actual illuminated area shall be based on the lower limit position 5 of the possible irradiation area in step 1.

[0048] Embodiment 1

[0049] See Figure 1 and Figure 2 The atmosphere lamp is a reflective strip atmosphere lamp with an LED light source, an elongated light guide 1 and a scattering material panel 2. The illuminated surface 3 is the evaluation luminous surface of the atmosphere lamp. By analyzing data from the observation point and the observation direction, the possible irradiation area on the illuminated surface 3 and the upper limit position 4 and the lower limit position 5 of the possible irradiation area can be obtained.

[0050] See Figure 3 , simulate and get the lighting result, draw a longitudinal line VL1 at the head of the lighting result, see Figure 4 , confirm the maximum brightness value L on this longitudinal line VL1 max1 2.9cd / m 2 , pull the line until the brightness value is L max1 ×10%(0.29cd / m 2 ) position 6.

[0051] Similarly, see Figure 3 , draw a longitudinal line VL2 in the center of the illuminated result, see Figure 4 , confirm the maximum brightness value L on this longitudinal pull line VL2 max2 3.2cd / m 2 , pull the line until the brightness value is L max2 ×10%(0.32cd / m 2 ) position 7.

[0052] Similarly, see Figure 3 , draw a longitudinal line VL3 at the tail of the illuminated result, see Figure 4 , confirm the maximum brightness value L on this longitudinal pull line VL3 max3 3.1cd / m 2 , pull the line until the brightness value is L max3 ×10%(0.31cd / m 2 ) position 8.

[0053] L max1 ×10% position 6 upper limit, L max2 ×10% position 7 upper limit and L max3 The position connected to the upper limit of position 8 of ×10% is the upper limit position 9 of the lighting result.

[0054] Lmax1 ×10% position 6 lower limit, L max2 ×10% position 7 lower limit and L max3 The position connected to the lower limit of position 8 of ×10% is the lower limit position 10 on the lighting result.

[0055] The illumination result is projected onto the data, and the upper limit position 11 and the lower limit position 12 of the actual illumination on the data are found.

[0056] like Figure 5 As shown, the upper limit position 4 of the possible irradiation area is above the upper limit position 11 of the actual irradiation, and the upper limit of the actual illuminated area is based on the upper limit position 11 of the actual irradiation.

[0057] The lower limit position 5 of the possible irradiation area is below the lower limit position 12 of the actual irradiation, and the lower limit of the actual illuminated area is based on the lower limit position 12 of the actual irradiation.

[0058] Figure 2 The longitudinal section 13 in FIG. 1 is a section obtained according to the upper limit position 11 of actual illumination and the lower limit position 12 of actual illumination, and the length 10.8 mm of the longitudinal section 13 is the actual illumination width of the atmosphere lamp.

[0059] Embodiment 2

[0060] Compared with the first embodiment, the second embodiment has the following differences:

[0061] See Figure 6 The upper limit position 4 of the possible irradiation area is below the upper limit position 11 of the actual irradiation, and the upper limit of the actual illuminated area is based on the upper limit position 4 of the irradiation area.

[0062] The lower limit position 5 of the possible irradiation area is below the lower limit position 12 of the actual irradiation, and the lower limit of the actual illuminated area is based on the lower limit position 12 of the actual irradiation.

[0063] Figure 2 The longitudinal section 13 in FIG. 1 is a section obtained according to the upper limit position 4 of the irradiation area and the lower limit position 12 of the actual irradiation. The length 16.2 mm of the longitudinal section 13 is the actual illuminating width of the atmosphere lamp.

[0064] Embodiment 3

[0065] Compared with the first embodiment, the third embodiment has the following differences:

[0066] The upper limit position 4 of the possible irradiation area is below the upper limit position 11 of the actual irradiation, and the upper limit of the actual illuminated area is based on the upper limit position 4 of the irradiation area.

[0067] When the lower limit position 5 of the possible irradiation area is above the lower limit position 12 of the actual irradiation, the lower limit of the actual illuminated area shall be based on the lower limit position 5 of the possible irradiation area.

[0068] The longitudinal section 13 is a section obtained according to the upper limit position 4 of the irradiation area and the lower limit position 5 of the possible irradiation area. The length 18.7 mm of the longitudinal section 13 is the actual illuminating width of the atmosphere lamp.

[0069] Embodiment 4

[0070] Compared with the first embodiment, the fourth embodiment has the following differences:

[0071] The upper limit position 4 of the possible irradiation area is above the upper limit position 11 of the actual irradiation, and the upper limit of the actual illuminated area is based on the upper limit position 11 of the actual irradiation.

[0072] When the lower limit position 5 of the possible irradiation area is above the lower limit position 12 of the actual irradiation, the lower limit of the actual illuminated area shall be based on the lower limit position 5 of the possible irradiation area.

[0073] The longitudinal section 13 is a section obtained based on the upper limit position 11 of the actual illumination and the lower limit position 5 of the possible illumination area. The length 13.3 mm of the longitudinal section 13 is the actual illumination width of the atmosphere lamp.

[0074] Embodiment 5

[0075] Compared with the first embodiment, the fifth embodiment has the following differences:

[0076] See Figure 7 The atmosphere lamp has only an LED light source with an extended light guide 1, and the illuminated surface 3 is the evaluation light-emitting surface of the atmosphere lamp.

[0077] The upper limit position 4 of the possible irradiation area is above the upper limit position 11 of the actual irradiation, and the upper limit of the actual illuminated area is based on the upper limit position 11 of the actual irradiation.

[0078] The lower limit position 5 of the possible irradiation area is below the lower limit position 12 of the actual irradiation, and the lower limit of the actual illuminated area is based on the lower limit position 12 of the actual irradiation.

[0079] The longitudinal section 13 is a section obtained according to the upper limit position 11 of actual illumination and the lower limit position 12 of actual illumination. The length 10.8 mm of the longitudinal section 13 is the actual illumination width of the atmosphere lamp.

[0080] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A method for evaluating the illumination width of a reflective strip ambient light, characterized in that: Used for evaluating the illumination width of a reflective strip atmosphere lamp of an LED light source extended light guide (1) and a scattering material panel (2) and evaluating the illumination width of a reflective strip atmosphere lamp of an LED light source extended light guide (1); The specific evaluation method includes the following steps: Step 1: clarify the range of the possible irradiation area on the irradiated surface (3) from the data, and find out the upper limit position (4) and the lower limit position (5) of the possible irradiation area; Step 2: Establish a suitable receiving screen according to the observation point and observation direction to perform simulation calculation and obtain the illumination result on the illuminated surface; Step 3: Draw a vertical line VL1 on the head of the illuminated object and confirm the maximum brightness value L on this vertical line VL1. max1 , and then find the maximum brightness value L on this longitudinal line VL1 max1 ×10% position (6); Step 4: Draw a vertical line VL2 in the center of the illuminated result and confirm the maximum brightness value L on this vertical line VL2. max2 , and then find the maximum brightness value L on this longitudinal line VL2 max2 ×10% position (7); Step 5: Draw a vertical line VL3 at the end of the illuminated result and confirm the maximum brightness value L on this vertical line VL3. max3 , and then find the maximum brightness value L on this longitudinal line VL3 max3 ×10% position (8); Step 6: According to the maximum brightness value L on the head longitudinal line VL1 max1 ×10% position (6), maximum brightness value L on the central longitudinal line VL2 max2 ×10% position (7) and the maximum brightness value L on the tail longitudinal line VL3 max3 ×10% position (8) confirms the upper limit position (9) on the lighting result and the lower limit position (10) on the lighting result; Step 7: Project the illumination result onto the data to find the upper limit position (11) and the lower limit position (12) of the actual illumination on the data; Step 8: An actual illuminated area is made according to the actual upper limit position (11), the actual lower limit position (12) and the actual light-emitting boundaries on both sides. The length of the longitudinal section (13) of the actual illuminated area is the illuminated width of the atmosphere lamp.

2. The method for evaluating the illumination width of a reflective strip atmosphere lamp according to claim 1, characterized in that: In the first step, it is ensured that the illuminated surface (3) above the upper limit position (4) of the possible irradiation area will never be illuminated, that is, the illuminated surface (3) above the upper limit position (4) of the possible irradiation area is an area that will never be illuminated.

3. The method for evaluating the illumination width of a reflective strip atmosphere lamp according to claim 1, characterized in that: In the first step, it is ensured that the illuminated surface (3) below the lower limit position (5) of the possible irradiation area will never be illuminated, that is, the illuminated surface (3) below the lower limit position (5) of the possible irradiation area is an area that will never be illuminated.

4. The method for evaluating the illumination width of a reflective strip ambient light according to claim 1, characterized in that: When the upper limit position (4) of the possible irradiation area obtained by the data analysis in the first step is above the upper limit position (11) of the actual irradiation obtained in the seventh step, the upper limit of the actual illuminated area shall be based on the upper limit position (11) of the actual irradiation in the seventh step.

5. The method for evaluating the illumination width of a reflective strip ambient light according to claim 1, characterized in that: When the upper limit position (4) of the possible irradiation area obtained by data analysis in the first step is below the upper limit position (11) of the actual irradiation obtained in the seventh step, the upper limit of the actual illuminated area shall be based on the upper limit position (4) of the possible irradiation area in the first step.

6. The method for evaluating the illumination width of a reflective strip ambient light according to claim 1, characterized in that: When the lower limit position (5) of the possible irradiation area obtained by the data analysis in the first step is below the lower limit position (12) of the actual irradiation obtained in the seventh step, the lower limit of the actual illuminated area shall be based on the lower limit position (12) of the actual irradiation in the seventh step.

7. The method for evaluating the illumination width of a reflective strip ambient light according to claim 1, characterized in that: When the lower limit position (5) of the possible irradiation area obtained by the data analysis in the first step is above the lower limit position (12) of the actual irradiation obtained in the seventh step, the lower limit of the actual illuminated area shall be based on the lower limit position (5) of the possible irradiation area in the first step.

8. The method for evaluating the illumination width of a reflective strip ambient light according to claim 1, characterized in that: The reflective strip atmosphere lamp is composed of an LED light source, an elongated light guide (1) and a scattering material panel (2), and its light emitting evaluation area is other irradiated surfaces other than the light emitting surface area of ​​the panel.

9. The method for evaluating the illumination width of a reflective strip ambient light according to claim 1, characterized in that: The reflective strip atmosphere lamp having an LED light source and a lengthened light guide (1) has a light emitting evaluation area which is an irradiated surface other than the light emitting surface area of ​​the light guide.

Images