LED light source module and production method thereof

Abstract

An LED light source module and a production method thereof. Its shell is an enclosed box with an open top surface enclosed by side walls and a bottom plate. A small section of insulation layer on the positive and negative wires placed in the enclosed box is stripped to a bare wire core, and the exposed wire core is folded. Bend into a "V" shape or "U" shape conductive part, the conductive part is electrically connected with the conductive plate on the circuit board by welding or clamping. It fixes the circuit board in the concave cavity of the enclosure, and uses potting glue or sealant to cover the wires, signal control lines, and exposed solder joints on the circuit board. This structure can make the dustproof and waterproof grade of the LED light source module reach IP68 grade. The use of tightening and positioning the wire inlet and outlet holes can greatly improve the alignment accuracy of the conductive part on the wire and the conductive plate on the circuit board. the height of the point. The power transmission loss of the light source module is small, the production is simple, and the efficiency and yield rate are high.

Description

technical field [0001] The invention relates to an LED light source module, in particular to an LED light source module string and an automatic production method thereof. Background technique [0002] In the fields of landscape lighting, lighting, decoration, etc., LED point light source modules are often used to arrange a large number of light strips or dots in the form of lines according to demand, that is, several LED light source modules are connected in series for use. [0003] In the actual application of the above structure, the light source module far away from the power supply terminal will cause a large voltage drop due to line loss, resulting in insufficient brightness. In order to solve this problem, the form of multi-point power supply has to be used during installation, but it will cause difficulties in construction, wiring, etc., and increase the cost. [0004] In the field of light source module production, in order to solve the problem of as many serial con...

AI Technical Summary

Problems solved by technology

Its shortcomings are: using constant current source power supply: the number of light source modules in series must match the power supply and when a light source module is open, its back end will lose power, which greatly limits the application in engineering

[0006] 2. Add a constant voltage or constant current circuit to each light source module to ensure the input power of the light source module, and then use a higher power supply voltage to supply multiple light source modules connected in series in parallel. This structure increases the power of the light source. The circuit complexity of the module reduces reliability and adds higher cost

[0010] 1) The light source module string is both a small-volume product and a mass-produced product. It is extremely difficult to pass several or even one wire through the light source module string and produce it with high efficiency, high reliability, low cost, and even automation.

[0011] 2) In the process of automated mass production, there is a problem of accurate docking and positioning of wires and pads on the circuit board

[0013] a. Soft extruded plastic parts are easily deformed due to stacking and extrusion during storage

[0014] b. Plugs that need to be installed separately or injection molded at both ends of the light source module, the product consistency is poor when installed manually, and it is not beautiful

And it is difficult to manufacture when special shapes such as squares, polygons, circles, etc. are required

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