LED decorative lamp convenient for automatic series-parallel connection production
By setting A, B, C, and D pads on the LED decorative light bracket and using three parallel lines for connection, the problems of low production efficiency and unsightly appearance in the existing technology are solved, realizing automated production and efficient light string connection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENZHOU ZHONGYIDA OPTOELECTRONICS CO LTD
- Filing Date
- 2025-06-13
- Publication Date
- 2026-04-10
AI Technical Summary
In the current production process of LED decorative lights, it is difficult to achieve automated series and parallel connections, resulting in low production efficiency, easy occurrence of incorrect or missing soldering, and unsightly appearance.
The LED decorative light bracket has four pads, A, B, C, and D, which are connected by three parallel lines to achieve automated production. The special pad design of the first and last lights allows the light strings to be easily connected to the three parallel lines, avoiding manual operation.
It has enabled automated production of LED decorative lights, improved production efficiency, avoided incorrect or incomplete soldering, and resulted in aesthetically pleasing products.
Smart Images

Figure CN224108152U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a decorative lamp, in particular to a LED decorative lamp convenient for automatic series-parallel connection production. BACKGROUND
[0002] LED decorative lamp strings have been widely used in some festivals or public places for decoration. According to the voltage of the power supply, a series of LED lamps are usually connected in series and then connected in parallel to the power supply.
[0003] At present, the series-parallel connection of LED decorative lamps is mostly produced mechanically or semi-mechanically. The production process of LED decorative lamp strings is generally as follows: LED decorative lamps are connected in series one by one through wire welding, and then connected in parallel to the power supply connection line, that is, LED decorative lamp strings are produced for sale. The power supply connection line is made of two wires.
[0004] The production of LED decorative lamp strings in the prior art has the following problems: LED decorative lamps are connected in series one by one through wire welding, the power supply connection line is made of two wires, which is not convenient for automatic production, the production efficiency is low, and the connection is prone to error, leakage, and is not beautiful. INVENTION CONTENTS
[0005] The utility model solves the technical problem of providing a LED decorative lamp convenient for automatic series-parallel connection production, which can be connected by three parallel wires and can realize automatic production to overcome the defects of the prior art.
[0006] In order to solve the above technical problems, the LED decorative lamp convenient for automatic series-parallel connection production comprises four soldering pads A, B, C and D on the support of the LED decorative lamp, the A soldering pad is connected to the input end of the LED lamp, the B soldering pad is used for connecting the positive wire of the three parallel wires, the C soldering pad is connected to the output end of the LED lamp, and the D soldering pad is used for connecting the negative wire of the three parallel wires.
[0007] The LED decorative lamp comprises a first lamp, a plurality of middle lamps and a tail lamp.
[0008] The A soldering pad of the first lamp is connected to the B soldering pad.
[0009] The C soldering pad of the tail lamp is connected to the D soldering pad.
[0010] Each series of LED decorative lamps comprises a first lamp, a plurality of middle lamps and a tail lamp, the C soldering pad of the first lamp is connected to the A soldering pad of the adjacent middle lamp, the plurality of middle lamps are connected in series, and the A soldering pad of the tail lamp is connected to the C soldering pad of the adjacent middle lamp.
[0011] The structure of the utility model adopts, because four soldering pads A, B, C, D are arranged on the support of the LED decorative lamp, the input end of the LED lamp is connected with the soldering pad A, the positive line of the three parallel lines is connected with the soldering pad B, the output end of the LED lamp is connected with the soldering pad C, and the negative line of the three parallel lines is connected with the soldering pad D, so that the LED lamp can be connected in series and parallel on the three parallel lines to form a lamp string by mechanical devices according to needs, manual connection is not needed, automation production is facilitated, production efficiency is high, and the LED decorative lamp is not prone to wrong or missed welding and is beautiful.
[0012] In order to more conveniently produce the lamp string, the utility model discloses a first lamp, intermediate lamps and a tail lamp, the soldering pad A of the first lamp is connected with the soldering pad B, the soldering pad C of the tail lamp is connected with the soldering pad D, each series of the LED decorative lamp in series includes a first lamp, a plurality of intermediate lamps and a tail lamp, the soldering pad C of the first lamp is connected with the soldering pad A of the adjacent intermediate lamp, the plurality of intermediate lamps are connected in series, and the soldering pad A of the tail lamp is connected with the soldering pad C of the adjacent intermediate lamp, which can be conveniently connected on the three parallel lines and automatically produce the lamp string. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0014] The utility model discloses a LED decorative lamp convenient for automatic series and parallel connection production, which is characterized by comprising a support, an LED lamp and a three parallel line.
[0015] As Figure 1 Indicated, the utility model discloses a LED decorative lamp convenient for automatic series and parallel connection production, which is characterized by comprising a support, an LED lamp and a three parallel line.
[0016] The input end of the LED lamp is connected with the soldering pad A, the positive line of the three parallel lines is connected with the soldering pad B, the output end of the LED lamp is connected with the soldering pad C, and the negative line of the three parallel lines is connected with the soldering pad D.
[0017] The LED decorative lamp includes a first lamp 2, intermediate lamps 3 and a tail lamp 4.
[0018] The soldering pad A of the first lamp is connected with the soldering pad B.
[0019] The soldering pad C of the tail lamp is connected with the soldering pad D.
[0020] When producing the lamp string, first, the three parallel lines are welded in series, each series of the LED decorative lamp in series includes a first lamp, a plurality of intermediate lamps and a tail lamp, the soldering pad C of the first lamp is connected with the soldering pad A of the adjacent intermediate lamp, the plurality of intermediate lamps are connected in series, and the soldering pad A of the tail lamp is connected with the soldering pad C of the adjacent intermediate lamp. The number of the intermediate lamps is adapted to the voltage of the power supply according to needs.
[0021] Then, the series connection step can be repeated according to needs, and the plurality of series of the lamp string can be connected in parallel.
Claims
1. An LED decorative light that is easy to produce via automated series-parallel connection, characterized in that: The support of the LED decorative lamp is provided with four pads, A pad (7) is connected with the input end of the LED lamp, B pad (1) is used for connecting the positive line of three parallel lines, C pad (5) is connected with the output end of the LED lamp, and D pad (6) is used for connecting the negative line of three parallel lines.
2. The LED decorative lamp of claim 1, wherein: The LED decorative lamp comprises a head lamp (2), middle lamps (3) and a tail lamp (4).
3. The LED decorative lamp of claim 2, wherein: The A pad of the head lamp is connected with the B pad.
4. The LED decorative lamp of claim 2 or 3, wherein: The C pad of the tail lamp is connected with the D pad.
5. The LED decorative lamp of claim 4, wherein: Each string of LED decorative lamps in series comprises a head lamp, a plurality of middle lamps and a tail lamp, the C pad of the head lamp is connected with the A pad of the adjacent middle lamp, the plurality of middle lamps are connected in series with each other, and the A pad of the tail lamp is connected with the C pad of the adjacent middle lamp.