Switching voltage regulator circuit board
CN224697965UActive Publication Date: 2026-08-28深圳市佳裕电子有限公司
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Patent Information
- Application Number
- CN202521992060.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-16
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-16
AI Technical Summary
Technical Problem
然而此种散热方案需通过人工对散热片进行裁剪、钻孔、装配等加工操作，降低生产效率，增加了人工成本，并且固定结构本身会占用一定的空间，导致开关电源电路板整体体积增大，限制了开关电源在小型化设备(如便携式电子设备、微型工业控制器)中的应用
Benefits of technology
[0017]有益效果：本实用新型的一种开关稳压电源电路板，包括板主体和形成于板主体上的开关电源电路，所述板主体包括铝基板，所述铝基板包括依次层叠的铝金属层、中间绝缘层以及第一导电层，所述开关电源电路包括输入模块、整流模块、输入滤波模块、具有变压器的变压模块、具有功率开关管的开关控制模块、反馈模块以及输出模块，所述输入模块依次连接整流模块、输入滤波模块、变压模块以及输出模块，所述开关控制模块连接变压模块，所述反馈模块分别连接开关控制模块和输出模块；其中至少所述整流模块、变压器和功率开关管为贴片器件并贴装于所述第一导电层上，由此，铝基板的基底层也即铝金属层可以充当散热片的作用，能够有效地对热量较大的整流模块、变压器和功率开关管进行散热，从而不需要额外增加散热片对这些器件进行散热，可以提高生产效率，降低人工成本以及减小产品体积。
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Abstract
The utility model discloses an opening and closing voltage stabilizing power supply circuit board, including board main part and form on the opening and closing power supply circuit of board main part, board main part includes aluminium base plate, and aluminium base plate includes the aluminium metal layer of laminated in proper order, intermediate insulating layer and first conductive layer, and the opening and closing power supply circuit includes input module, rectifier module, input filter module, has transformer's voltage transformation module, has the switch control module of power switch tube, feedback module and output module, and input module connects rectifier module, input filter module, voltage transformation module and output module in proper order, and switch control module connects voltage transformation module, and feedback module connects switch control module and output module respectively, wherein at least rectifier module, transformer and power switch tube are patch components and are attached on first conductive layer, and thus, the aluminium metal layer of aluminium base plate can act as the role of heat dissipation fin to power device heat dissipation, need not additional increase heat dissipation fin, can reduce product volume.
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