CN-122020747-A - Light source plate splicing method and system based on Archimedes spiral line

CN122020747ACN 122020747 ACN122020747 ACN 122020747ACN-122020747-A

Abstract

The invention discloses a light source plate splicing method and system based on an Archimedes spiral line, wherein the method comprises the steps of obtaining splicing design parameters including target splicing number, preset width of a light source plate and a safety gap; the method comprises the steps of determining initial polar diameter and screw pitch coefficients of an Archimedes spiral line according to preset width and safety clearance of a light source plate, ensuring that multiple tracks do not interfere with each other, distributing initial phase angles to spiral tracks according to the number of target jointed boards to generate N Archimedes spiral tracks uniformly spaced in the circumferential direction, and generating jointed board data for manufacturing corresponding N light source plates based on the N spiral tracks and combining the preset width. The invention effectively solves the technical problems that the light emitting uniformity, the substrate material utilization rate and the jointed board efficiency cannot be considered in the prior art.

Inventors

LIN YAN
LI SHOUBO
CHENG XIANGCHENG

Assignees

广东三雄极光照明股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260108

Claims (10)

1. The light source plate splicing method based on the Archimedes spiral line is characterized by comprising the following steps of: Step 100, obtaining panel design parameters, wherein the panel design parameters comprise target panel number N, preset width of a light source plate and preset safety gaps between adjacent light source plates, and N is an integer greater than 1; Step 200, determining geometric parameters of the Archimedes spiral line according to the preset width and the preset safety gap, wherein the geometric parameters comprise an initial polar diameter and a screw pitch coefficient, and the screw pitch coefficient is configured to enable N Archimedes spiral tracks generated in the process of the geometric parameters not to interfere with each other; Step S300, determining an initial phase angle of each Archimedes spiral track according to the number N of the target jointed boards, and generating N Archimedes spiral tracks uniformly spaced in the circumferential direction according to the geometric parameters and the initial phase angle; And step 400, generating jointed board data for manufacturing the corresponding N light source boards based on the N Archimedes spiral tracks and combining the preset width of the light source boards.
2. The method for splicing light source plates based on archimedes 'spiral as recited in claim 1, wherein the step of determining the pitch coefficient of the archimedes' spiral in the step S200 includes: Step S210, acquiring the preset width and the preset safety gap; Step S220, determining a minimum radial increment required by mutual noninterference of spiral lines based on the preset width and the preset safety gap, wherein the minimum radial increment is not less than the sum of the preset width and the preset safety gap; And step S230, calculating and determining the value of the pitch coefficient according to the minimum radial increment.
3. The method for splicing light source plates based on archimedes 'spiral as recited in claim 1, wherein the step of determining the initial radius of the archimedes' spiral in step S200 includes: Step S240, obtaining the size of an element needing to be avoided in the central area of the light source plate, and determining the central avoidance radius; step S250, calculating to obtain the initial polar diameter according to the center avoiding radius, the preset width and the edge allowance required by the installation of the light source device.
4. The archimedes spiral-based light source board splicing method as recited in claim 1, wherein said step S300 includes: step S310, according to the number N of the target jointed boards, an initial phase angle is allocated to each spiral track so that the starting points of the N spiral tracks are uniformly distributed on the circumference, and the formula is as follows: In the formula, A serial number representing the spiral track, and the value is an integer from 1 to N; Representing the initial phase angle of the L-th spiral track; step 320, calculating coordinate sequences of each spiral track according to the geometric parameters and the initial phase angles corresponding to each spiral track; and S330, generating a corresponding smooth track curve according to the coordinate sequence to form N Archimedes spiral tracks uniformly spaced in the circumferential direction.
5. The archimedes spiral-based light source plate alignment method according to claim 1, wherein the step S400 includes: Step S410, taking each Archimedes spiral track as a central datum line, respectively carrying out equidistant offset to two sides of the central datum line, wherein the offset distance is half of the preset width of the light source plate so as to generate two parallel boundary curves; Step S420, connecting the endpoints of two boundary curves corresponding to the same spiral track to generate a group of closed contour lines defining the appearance of each light source plate; And S430, combining the generated N groups of closed contour lines to form a complete jigsaw pattern containing N light source plates and outputting the complete jigsaw pattern.
6. The archimedes spiral-based light source plate alignment method according to any one of claims 1 to 5, further comprising, after step S400: Step S500, determining layout parameters of light sources on each light source plate based on the N Archimedes spiral tracks, wherein the method specifically comprises the following steps: step S510, obtaining the number of target light sources required to be distributed by a single light source plate; Step S520, calculating the preliminary average distance between the light sources distributed along the Archimedes spiral track according to the number of the target light sources and the length of the Archimedes spiral track; and step S530, adjusting the preliminary average spacing based on preset light source heat dissipation constraint conditions to determine the final light source arrangement spacing.
7. The archimedes spiral-based light source plate alignment method of claim 6, wherein the step S530 includes: step S531, obtaining the minimum allowable distance determined by the heat dissipation condition of the light source; step S532, comparing the preliminary average spacing with the minimum allowable spacing; Step S533, if the preliminary average spacing is greater than or equal to the minimum allowable spacing, determining the preliminary average spacing as the final light source arrangement spacing; and step S534, if the preliminary average spacing is smaller than the minimum allowable spacing, determining the minimum allowable spacing as a candidate spacing, and executing feasibility verification.
8. The archimedes spiral-based light source board splicing method according to claim 7, wherein in step S534, the step of performing feasibility verification includes: Step S5341, calculating the number of practical light sources which can be distributed along the corresponding Archimedes spiral track according to the candidate distance and the length of the corresponding track; Step S5342, judging whether the actual light source number is greater than or equal to the target light source number, if so, determining the candidate distance as the final light source arrangement distance, and if not, outputting adjustment prompt information, wherein the adjustment prompt information is used for indicating that at least one of the target light source number, the geometric parameters of the Archimedes spiral line or the target illumination area size needs to be reevaluated.
9. The archimedes spiral-based light source board splicing method as recited in claim 1, further comprising, before step S300: Step S260, carrying out feasibility verification on the target number N of jointed boards, wherein the method comprises the following steps: step 261, obtaining the total size of the jointed board substrate, the preset process edge width and the preset total number of turns of a single spiral track; Step S262, calculating the maximum integer number of the light source plates which can be accommodated in the total size range of the jointed board based on the total size of the jointed board, the initial polar diameter, the preset width of the light source board, the width of the process side and the total number of turns of the single spiral track; step 263, judging whether the number N of the target jointed boards is smaller than or equal to the maximum integer number, if yes, continuing to step 300, and if not, adjusting the number N of the target jointed boards or returning to step 200 to modify the geometric parameters until the constraint condition is met.
10. An archimedes spiral-based light source panel board splicing system, comprising: the system comprises a design parameter acquisition module, a display module and a display module, wherein the design parameter acquisition module is used for acquiring panel design parameters, the panel design parameters comprise target panel number N, preset width of a light source plate and preset safety gaps between adjacent light source plates, and N is an integer greater than 1; The geometric parameter determining module is used for determining geometric parameters of the Archimedes spiral line according to the preset width and the preset safety gap, wherein the geometric parameters comprise an initial polar diameter and a screw pitch coefficient, and the screw pitch coefficient is configured to enable N Archimedes spiral tracks generated in the geometric parameters not to interfere with each other; The spiral track generation module is used for determining the initial phase angle of each Archimedes spiral track according to the number N of the target jointed boards and generating N Archimedes spiral tracks uniformly spaced in the circumferential direction according to the geometric parameters and the initial phase angle; And the jointed board data output module is used for generating jointed board data for manufacturing corresponding N light source boards based on the N Archimedes spiral tracks and combining the preset width of the light source board.

Description

Light source plate splicing method and system based on Archimedes spiral line Technical Field The invention relates to the technical field of manufacturing and designing of LED lighting devices, in particular to a light source plate splicing method and system based on an Archimedes spiral line. Background At present, a light source of a household lighting lamp such as a ceiling lamp is usually implemented by adopting an LED light source plate matched with a lens. The layout of the light source board directly influences the light emitting uniformity, the optical effect and the manufacturing cost of the lamp. The common light source board proposal in the industry mainly comprises two kinds of proposal, namely, adopting a plurality of arc-shaped PCBs for splicing, which can realize better light-emitting uniformity, but has the problems of low utilization rate of jointed board materials, need of additional wire connection, complex assembly procedure and high overall cost, and adopting an integrally formed back-shaped PCB board, which has simple structure and lower cost, but has obvious four-direction illumination blind areas on the light-emitting surface, thus leading to non-ideal light-emitting uniformity. The current industry technology mainly faces the challenges that the high-uniformity light emitting effect is difficult to realize simultaneously under the condition of controlling the cost, and the existing jointed board mode has low efficiency and poor expansibility. Therefore, there is a need for a light source panel splicing method and system that can improve the material utilization rate and simplify the assembly process while ensuring the light-emitting uniformity. Disclosure of Invention The invention mainly aims to provide a light source plate splicing method and system based on an Archimedes spiral line, and aims to solve the technical problem that light emitting uniformity, substrate material utilization rate and splicing efficiency cannot be considered in the prior art. In order to achieve the above object, a first aspect of the present invention provides a light source board splicing method based on archimedes spiral, including: Step 100, obtaining panel design parameters, wherein the panel design parameters comprise target panel number N, preset width of a light source plate and preset safety gaps between adjacent light source plates, and N is an integer greater than 1; Step 200, determining geometric parameters of the Archimedes spiral line according to the preset width and the preset safety gap, wherein the geometric parameters comprise an initial polar diameter and a screw pitch coefficient, and the screw pitch coefficient is configured to enable N Archimedes spiral tracks generated in the process of the geometric parameters not to interfere with each other; Step S300, determining an initial phase angle of each Archimedes spiral track according to the number N of the target jointed boards, and generating N Archimedes spiral tracks uniformly spaced in the circumferential direction according to the geometric parameters and the initial phase angle; And step 400, generating jointed board data for manufacturing the corresponding N light source boards based on the N Archimedes spiral tracks and combining the preset width of the light source boards. Preferably, in the step S200, the step of determining a pitch coefficient of the archimedes spiral includes: Step S210, acquiring the preset width and the preset safety gap; Step S220, determining a minimum radial increment required by mutual noninterference of spiral lines based on the preset width and the preset safety gap, wherein the minimum radial increment is not less than the sum of the preset width and the preset safety gap; And step S230, calculating and determining the value of the pitch coefficient according to the minimum radial increment. Preferably, in the step S200, the step of determining the initial pole diameter of the archimedes spiral includes: Step S240, obtaining the size of an element needing to be avoided in the central area of the light source plate, and determining the central avoidance radius; step S250, calculating to obtain the initial polar diameter according to the center avoiding radius, the preset width and the edge allowance required by the installation of the light source device. Preferably, the step S300 includes: step S310, according to the number N of the target jointed boards, an initial phase angle is allocated to each spiral track so that the starting points of the N spiral tracks are uniformly distributed on the circumference, and the formula is as follows: In the formula, A serial number representing the spiral track, and the value is an integer from 1 to N; Representing the initial phase angle of the L-th spiral track; step 320, calculating coordinate sequences of each spiral track according to the geometric parameters and the initial phase angles corresponding to each spiral track; and S330, generating a corre