A space-saving switch power supply circuit board structure

By splitting the switching power supply circuit into a main board and a sub-board, and staggering the vertical component placement, combined with a fully encapsulated insulation design, the problem of traditional circuit boards occupying a large horizontal space is solved, achieving miniaturization and enhanced insulation of the switching power supply.

CN224521247UActive Publication Date: 2026-07-17JIAN IGOR ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIAN IGOR ELECTRIC CO LTD
Filing Date
2025-06-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional switching power supply circuit board structures occupy too much horizontal space, making it difficult to miniaturize the equipment.

Method used

The switching power supply circuit is split into a main board and a sub-board. The main board and sub-board are mounted vertically and the vertical components are staggered. The transformer is fully encased in rubber, with only the input and output pins exposed. The auxiliary circuits are integrated in separate sections.

Benefits of technology

It improves the utilization of vertical space, reduces the occupancy of horizontal space, enables the miniaturization of the switching power supply housing, and enhances insulation capabilities, thus avoiding an increase in transformer size.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224521247U_ABST
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Abstract

The utility model relates to circuit board technical field especially a switch power supply circuit board structure of saving space, switch power supply circuit is split integrated in mainboard and vice board, vice board is installed perpendicularly in the side of mainboard, with the vertical device of mainboard parallel, mainboard with vice board is electrically connected in the meeting place, the vertical device of vice board is towards the center of mainboard, the vertical device of vice board and the vertical device of mainboard staggered arrangement, the periphery of transformer T1 in switch power supply circuit is all rubber-coated, only exposes input pin and output pin, solve the problem that traditional switch power supply circuit board structure occupies too big horizontal space.
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Claims

1. A space-saving switching power supply circuit board structure, characterized in that: The switching power supply circuit is split and integrated into a main board and a sub-board. The sub-board is vertically mounted on the side edge of the main board and parallel to the vertical components of the main board. The main board and the sub-board are electrically connected at the junction. The vertical components of the sub-board face the center of the main board, and the vertical components of the sub-board and the main board are staggered. In the switching power supply circuit, the outer periphery of transformer T1 is fully encased in rubber, with only the input and output pins exposed.

2. The space-saving switching power supply circuit board structure according to claim 1, characterized in that: The switching power supply circuit includes a main circuit and an auxiliary circuit. The main circuit consists of the primary input module of the transformer T1, the transformer T1, and the secondary output module of the transformer T1. The main circuit is integrated into the motherboard, and the auxiliary circuit is integrated into the sub-board.

3. The space-saving switching power supply circuit board structure according to claim 2, characterized in that: The auxiliary circuit includes an NFC module and its induction coil; both the NFC module and the induction coil are integrated on the left side of the sub-board.

4. The space-saving switching power supply circuit board structure according to claim 3, characterized in that: The auxiliary circuit also includes a dimming input module, the primary side input module including a safety unit; the dimming input module is integrated on the right side of the sub-board, and the safety unit is integrated on the left side of the main board.

5. The space-saving switching power supply circuit board structure according to claim 3, characterized in that: The induction coil is printed on the left side of the sub-board by a loop trace.

6. The space-saving switching power supply circuit board structure of claim 1, wherein: The outer periphery of the transformer T1 is fully encased in Mylar tape.