A method for manufacturing a light strip at least includes: winding a plurality of wires, removing an insulation layer, and attaching and fixing LED chips. The step of winding the wires includes providing a winding rack having a wire fixing portion at both ends of the winding rack, forming the winding rack with a hollow portion along a longitudinal direction, and winding the wires around the winding rack, wherein each of the wires has an insulation layer, and the wires are repeatedly wound across the hollow portion. The step of removing the insulation layer includes removing a part of the insulation layer from each of the wires to expose a core wire therein. The step of attaching and fixing the LED chips is attaching and fixing the LED chips on the core wires of the wires. Accordingly, the LED chips are firmly and electrically connected to the wires.

A method for manufacturing a light strip at least includes: winding a plurality of wires, removing an insulation layer, and attaching and fixing LED chips. The step of winding the wires includes providing a winding rack having a wire fixing portion at both ends of the winding rack, forming the winding rack with a hollow portion along a longitudinal direction, and winding the wires around the winding rack, wherein each of the wires has an insulation layer, and the wires are repeatedly wound across the hollow portion. The step of removing the insulation layer includes removing a part of the insulation layer from each of the wires to expose a core wire therein. The step of attaching and fixing the LED chips is attaching and fixing the LED chips on the core wires of the wires. Accordingly, the LED chips are firmly and electrically connected to the wires.

An apparatus and a method for attaching LED chips are provided. The method includes steps of: winding a first wire and a second wire around each of holders; mounting the holders on a worktable; capturing an image of the worktable by an image capturing device; displaying the image and coordinate positions of the holders, the first wires and the second wires; inputting the number of LED chips to be attached across the first wire and the second wire to an electronic device; analyzing coordinate positions of the LED chips according to the coordinate positions of first segments of the first wire and second segments of the second wire on either sides of each of the holders, and the number of the LED chips; and attaching the LED chips across the first wire and the second wire by an attaching device.

A power supply device is provided, which includes a plurality of battery packs and a plurality of unidirectional conductive elements. The plurality of battery packs are connected in parallel with each other and disposed toward the same direction. The unidirectional conductive elements are connected in serial to the battery packs, respectively. A positive pin of each of the unidirectional conductive elements is connected in serial to a positive terminal of the corresponding battery pack, and a negative pin of each of the unidirectional conductive elements is connected in parallel to negative pins of other unidirectional conductive elements. Therefore, the present disclosure is capable of preventing the battery packs having relatively lower voltages from being charged by the battery packs having relatively higher voltages, thereby prolonging lifetimes of batteries, and avoid from affecting power to be supplied to a power receiving circuit from the battery packs.

A wire and a stripping method thereof, and a light strip are provided. The stripping method includes the following steps: holding a wire by a holder, the wire including an insulation layer and a conductor covered by the insulation layer; mounting the holder on a worktable of a an optical device; and activating a light emitter of the optical device to emit a light beam irradiating onto the insulation layer to ablate a portion of the insulation layer to form at least one through hole that penetrates the insulation layer to expose a portion of the conductor.

A light string controlling circuit for single node and a method thereof are provided. The light string controlling circuit for single node includes a plurality of light-emitting elements, a power source element, a master controller and a plurality of single-node controllers. The master controller outputs a power supplying request to the power source element to instruct the power source element to supply power to the plurality of light-emitting elements sequentially. The plurality of single-node controllers are connected to the plurality of light-emitting assemblies respectively, and each of the single-node controllers outputs an emission control signal to control the luminous state of the corresponding light-emitting assemblies.

A light set circuit with time control function includes a power supply module, a plurality of light emitting modules and a time control module. A first wire receives a positive voltage and a second wire receives a negative voltage, or the first wire receives a negative voltage and the second wire receives a positive voltage, from the power supply module. A first positive pin of a first light emitting module and a second positive pin of a second light emitting module are connected to the second wire, and a first negative pin of the first light emitting module and a second positive pin of the second light emitting module are connected to the second wire. The time control module counts time and controls light emitting states of the light emitting modules.

A method for winding can include positioning a multi-sided object on a winding component in a first position. The method can include dereeling a wire from a dereeler and winding onto the multi-sided object in the first position. The method can include rotating the winding component to position the multi-sided object in a second position without removing the multi-sided object from the winding component. The method can include dereeling the wire from the dereeler and winding onto the multi-sided object in the second position.

A winding device for a wire body, the winding device includes a bobbin configured to wind the wire body, a winding machine configured to rotate the bobbin, and a guide roller configured to guide the wire body to the bobbin. The bobbin is configured to reciprocate relative to the guide roller along an axial direction of the bobbin. The winding device includes a processor configured to calculate a winding diameter of the bobbin, based on a relative moving speed of the bobbin with respect to the guide roller, the number of rotations of the bobbin, and a winding speed of the wire body.

A winding device for a wire body, the winding device includes a bobbin configured to wind the wire body, a winding machine configured to rotate the bobbin, and a guide roller configured to guide the wire body to the bobbin. The bobbin is configured to reciprocate relative to the guide roller along an axial direction of the bobbin. The winding device includes a processor configured to calculate a winding diameter of the bobbin, based on a relative moving speed of the bobbin with respect to the guide roller, the number of rotations of the bobbin, and a winding speed of the wire body.