Photovoltaic diode module

By using an integral metal base to connect the negative electrode of the chip in the photovoltaic diode module and using the copper-clad ceramic plate to insulate the positive electrode of the chip, the problem of insufficient heat dissipation capacity of the existing module is solved, and a more balanced and efficient heat dissipation effect is achieved.

CN222927483UActive Publication Date: 2025-05-30YANGZHOU YANGJIE ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421809474.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-05-30
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The existing photovoltaic diode modules have insufficient heat dissipation capabilities, and the heat dissipation tasks of positive and negative electrodes are unbalanced, resulting in low overall heat dissipation efficiency.

Method used

The integrated metal base is connected to the negative electrode of the chip as the main heat dissipation channel, and the positive electrode of the chip and the negative electrode are insulated through the copper-clad ceramic plate, and the heat dissipation efficiency is improved by connecting the bus ports and jumpers on the metal base.

Benefits of technology

The overall heat dissipation capability of the photovoltaic diode module is improved, the heat dissipation task of the positive and negative electrodes is balanced, and the reliability and heat dissipation efficiency of the module are improved.

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Abstract

A photovoltaic diode module relates to the technical field of semiconductor power devices. Comprising a metal base, a chip, a first jumper wire, a second jumper wire and a copper-clad ceramic plate, the negative electrode of the bottom of the chip is connected with the metal base, the positive electrode of the top of the chip is connected with the first jumper wire, the first jumper wire and the second jumper wire are connected with the copper-clad ceramic plate, and the bottom of the copper-clad ceramic plate is made of insulating ceramic and used for being connected with the metal base; the top is made of metal copper and is used for connecting the jumper wire I and the jumper wire II; the metal base is provided with a bus bar hole. One end, used for connecting the chip, of the first jumper wire is provided with a big-end-up stepped hole. The copper-clad ceramic plate is in a rectangular-ambulatory-plane shape. According to the utility model, the heat dissipation efficiency is improved and the reliability is high.
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Claims

1. A photovoltaic diode module, characterized in that It includes a metal base, a chip, jumper one, jumper two and a copper-clad ceramic board. The negative electrode at the bottom of the chip is connected to the metal base, and the positive electrode at the top of the chip is connected to jumper one. Jumper one and jumper two are respectively connected to the copper-clad ceramic board. The bottom of the copper-clad ceramic board is an insulating ceramic for connecting to the metal base; the top is metal copper for connecting to jumper one and jumper two. There are bus bar holes on the metal base.

2. The photovoltaic diode module according to claim 1, characterized in that: One end of jumper one for connecting the chip is provided with a stepped hole that is larger at the top and smaller at the bottom.

3. The photovoltaic diode module according to claim 1 or 2, characterized in that: The copper-clad ceramic board is in a shape of a Chinese character 'hui'.

4. The photovoltaic diode module according to claim 1, characterized in that it further includes a plastic encapsulation body, which is used to encapsulate the chip, part of the metal base, jumper one, the copper-clad ceramic board and part of jumper two.

5. The photovoltaic diode module according to claim 1, characterized in that the metal base is in a cuboid shape, and the length of the metal base is 25 - 50 mm, and the width is 10 - 20 mm.

6. The photovoltaic diode module according to claim 1, characterized in that positioning holes are respectively provided around the metal base.

7. The photovoltaic diode module according to claim 6, characterized in that the positioning holes are semi-circular, circular or elliptical.

8. The photovoltaic diode module according to claim 1, characterized in that: Jumper one and jumper two are respectively copper jumpers.

Citation Information

Patent Citations

  • A photovoltaic junction box with high heat dissipation

    CN218829842U