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Heat dissipating structure for connecting terminals

A technology of connection terminals and heat dissipation structure, which is applied in the field of photovoltaic power generation, can solve the problems of not meeting the heat dissipation requirements, only one heat dissipation level, and single heat dissipation method, so as to achieve the effect of protecting diodes

Active Publication Date: 2013-03-27
浙江正泰鑫辉光伏有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the different application occasions of photovoltaic junction boxes, the heat dissipation requirements for the connection terminals are also different. However, the existing connection terminals and corresponding supports only have one specification, one heat dissipation method, and one heat dissipation level, which cannot meet the requirements. Various cooling requirements

Method used

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  • Heat dissipating structure for connecting terminals
  • Heat dissipating structure for connecting terminals
  • Heat dissipating structure for connecting terminals

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 1 As shown, this embodiment includes a connection terminal 1 , a spring 1 a , a support 2 , a diode 3 and a mounting plate 4 . Multiple (four in this embodiment) connecting terminals 1 and springs 1a are installed side by side on the mounting plate 4, each connecting terminal 1 corresponds to a support 2, and the supporting member 2 presses the corresponding connecting terminal 1 and spring 1a Card mounted on the mounting plate 4. Diodes 3 are mounted between adjacent connection terminals 1 . The four connection terminals 1 and the four support members 2 do not have cooling arms, the two ends of the diode 3 rest on the spring 1a, and the tube case of the diode 3 is in a suspended state. In this embodiment, the connecting terminal 1 is made of metal, and the supporting member 2 is made of metal or plastic.

Embodiment 2

[0021] Such as figure 2 As shown, this embodiment includes a connection terminal 1 , a spring 1 a , a support 2 , a diode 3 and a mounting plate 4 . Multiple (four in this embodiment) connecting terminals 1 and springs 1a are installed side by side on the mounting plate 4, each connecting terminal 1 corresponds to a support 2, and the supporting member 2 presses the corresponding connecting terminal 1 and spring 1a Card mounted on the mounting plate 4. Diodes 3 are mounted between adjacent connection terminals 1 . Except for the two ends, two sides of the middle two supports 2 are respectively connected with a heat dissipation arm 2a, and the tube case of the diode 3 is closely attached to the two adjacent heat dissipation arms 2a. In this embodiment, the supporting member 2 is made of metal or plastic, and the cooling arm 2a is made of metal. When the supporting part 2 and the cooling arm 2a are made of metal, they are riveted or injection molded into one; when the suppor...

Embodiment 3

[0023] Such as image 3 As shown, this embodiment includes a connection terminal 1 , a spring 1 a , a support 2 , a diode 3 and a mounting plate 4 . Multiple (four in this embodiment) connecting terminals 1 and springs 1a are installed side by side on the mounting plate 4, each connecting terminal 1 corresponds to a support 2, and the supporting member 2 presses the corresponding connecting terminal 1 and spring 1a Card mounted on the mounting plate 4. Diodes 3 are mounted between adjacent connection terminals 1 . Two sides of the four support members 2 are respectively connected with a cooling arm 2a, and the tube case of the diode 3 is closely attached to the adjacent two cooling arms 2a. In this embodiment, the supporting member 2 is made of metal or plastic, and the cooling arm 2a is made of metal. When the supporting part 2 and the cooling arm 2a are made of metal, they are riveted or injection molded into one; when the supporting part 2 is made of plastic and the cool...

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PUM

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Abstract

The invention discloses a heat dissipating structure for connecting terminals, which comprises connecting terminals, springs, supporting pieces, diodes and a mounting plate. The connecting terminals and the springs are abreast installed on the mounting plate. Each connecting terminal corresponds to one supporting piece. The supporting piece presses the connecting terminal and the spring corresponding to the supporting piece and then is clamped on the mounting plate. The diodes are installed between every two adjacent connecting terminals. One of the corresponding connecting terminal and the supporting piece in each group is connected with a heat dissipating arm or two of the corresponding connecting terminal and the supporting piece are not connected with the heat dissipating arm. Since the heat dissipating arm can be selectively installed or not installed on the connecting terminal or the supporting piece, the materials of the supporting pieces and the heat dissipating arms can be selected and free matching can be conducted, all kinds of heat dissipation levels can be set and requirements on all kinds of heat dissipation are satisfied.

Description

technical field [0001] The invention relates to the field of photovoltaic power generation, in particular to a heat dissipation structure applied to connection terminals of a photovoltaic junction box in a photovoltaic power generation system. Background technique [0002] In the electrical connection technology of solar power generation systems, solar photovoltaic junction boxes are usually used to realize the electrical connection between photovoltaic modules and inverters. Currently commonly used photovoltaic junction boxes include a box cover and a base, and a connection terminal installation cavity is arranged between the box cover and the base, and the connection terminals with diodes are installed therein through a mounting plate. Due to the different application occasions of photovoltaic junction boxes, the heat dissipation requirements for the connection terminals are also different. However, the existing connection terminals and corresponding supports only have one...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/024H01L31/048H05K7/20H02S40/34
CPCY02E10/50
Inventor 彭祁军朱清涛
Owner 浙江正泰鑫辉光伏有限公司