Unidirectional Conductive Joint Assembly and Photovoltaic Sunroof Mechanism

Patent metadata

Field	Value
Publication number	US-2025038704-A1
Application number	US-202218694717-A
Country	US
Kind code	A1
Filing date	Sep 21, 2022
Priority date	Sep 22, 2021
Publication date	Jan 30, 2025
Grant date	—

Abstract

A unidirectional conductive joint assembly includes a unidirectional conductive device, wherein a conductive sheet is electrically connected to a conductive end of the unidirectional conductive device, another conductive sheet is electrically connected to another conductive end of the unidirectional conductive device, insulating films are laminated on two sides of each conductive sheet, and each conductive sheet is sandwiched between two insulating films; and the two conductive ends of the unidirectional conductive device are insulated and sealed in an insulating package, portions of the conductive sheets on the sides of the insulating films close to the unidirectional conductive device are first conductive portions, the first conductive portions and film sides of the insulating films close to the first conductive portions are all insulated and sealed in the insulating package, and the conductive sheets and the insulating films are all partially located outside the insulating package.

First claim

1 . A unidirectional conductive joint assembly, comprising:
a unidirectional conductive device, one conductive end of the unidirectional conductive device being electrically connected with a conductive sheet, another conductive end of the unidirectional conductive device being electrically connected with another conductive sheet, insulating films being laminated on two sides of each of the conductive sheets, and each of the conductive sheets being sandwiched between two insulating films; and an insulating package body, two conductive ends of the unidirectional conductive device being sealed in the insulating package body in an insulating manner, a portion of each of the conductive sheets located on a side of the insulating films adjacent to the unidirectional conductive device being a first conductive part, the first conductive part and film edges of the insulating films adjacent to the first conductive part being in the insulating package body in an insulating manner, and wherein the conductive sheet and the insulating films are partially located outside the insulating package body.

2 . The unidirectional conductive joint assembly according to claim 1 , wherein a clamping assembly is disposed on the insulating package body; the clamping assembly comprises two clamping bosses arranged opposite to each other; the two clamping bosses comprised in the clamping assembly respectively clamp the two sides of the conductive sheet; one of the insulating films is located between the conductive sheet and one of the clamping bosses, and another one of the insulating films is located between the conductive sheet and another one of the clamping bosses.

3 . The unidirectional conductive joint assembly according to claim 2 , wherein an end surface of each of the clamping bosses away from the insulating package body is a curved surface in a direction in which the insulating films extend out of the insulating package body.

4 . The unidirectional conductive joint assembly according to claim 3 , wherein the clamping bosses are semicircular clamping flaps; an edge with a diameter of each of the clamping flaps is connected to the insulating package body; and the curved surface and the edge with the diameter enclose a semicircular shape.

5 . The unidirectional conductive joint assembly according to claim 2 , wherein a thickness of each of the clamping bosses gradually decreases in a direction in which the insulating films extend out of the insulating package body.

6 . The unidirectional conductive joint assembly according to claim 1 , wherein a bottom surface or a top surface of the insulating package body is configured to be attached to a photovoltaic glass; a surface of the insulating package body between the top surface and the bottom surface is a side surface; and the insulating films and the conductive sheet extend out of the insulating package body through the side surface of the insulating package body.

7 . The unidirectional conductive joint assembly according to claim 1 , further comprising a first conducting wire and a second conducting wire, wherein an end of the first conducting wire is electrically connected with the one conductive end of the unidirectional conductive device, another end of the first conducting wire is provided with a first plug; an end of the second conducting wire is electrically connected with the other conductive end of the unidirectional conductive device, another end of the second conducting wire is provided with a second plug; a sealing boss is disposed on a portion of the insulating package body through which the first conducting wire and/or the second conducting wire extends; and the sealing boss seals an outer periphery of the first conducting wire and/or the second conducting wire.

8 . The unidirectional conductive joint assembly according to claim 7 , wherein a plurality of the unidirectional conductive devices are provided; the plurality of the unidirectional conductive devices are connected in series; a unidirectional conductive device at a head end of the plurality of the unidirectional conductive devices is electrically connected with the first conducting wire; and a unidirectional conductive device at a tail end of the plurality of the unidirectional conductive devices is electrically connected with the second conducting wire.

9 . The unidirectional conductive joint assembly according to claim 1 , wherein the unidirectional conductive device is located entirely within the insulating package body; a heat dissipation filler is arranged in the insulating package body; the heat dissipation filler is distributed between the unidirectional conductive device and the insulating package body; and the insulating package body is integrally molded outside the unidirectional conductive device and the heat dissipation filler.

10 . The unidirectional conductive joint assembly according to claim 1 , wherein a portion of the unidirectional conductive device between the two conductive ends of the unidirectional conductive device is a unidirectional conductive body; and the unidirectional conductive body is at least partially exposed outside the insulating package body.

11 . The unidirectional conductive joint assembly according to claim 1 , wherein the conductive sheet is a copper sheet, and a thickness of the conductive sheet is in a range from about 0.05 mm to about 0.2 mm.

12 . The unidirectional conductive joint assembly according to claim 1 , wherein the conductive sheet is connected to respective one of the conductive ends of the unidirectional conductive device by soldering.

13 . The unidirectional conductive joint assembly according to claim 1 , wherein the insulating films are PI films, and a thickness of each of the insulating films is in a range from about 0.02 mm to about 0.1 mm.

14 . The unidirectional conductive joint assembly according to claim 1 , wherein the insulating package body is made of a high-temperature silicone.

15 . A photovoltaic sunroof mechanism, comprising:
a photovoltaic glass; and the unidirectional conductive joint assembly according to claim 1 , wherein a portion of the conductive sheet extending out of the insulating package body is electrically connected with a busbar of the photovoltaic glass.

Assignees

• Fuyao Glass Ind Group Co Ltd

Inventors

• Zhang Jianming
• Guan Jinliang
• Chen Min
• Guo Yong
• Liu Chunxin

Classifications

• B60R16/03

  for supply of electrical power to vehicle subsystems {or for (circuit arrangements for charging batteries H02J7/00)} · CPC title

• H02S40/34 Primary

  comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes · CPC title

• B60J7/043

  Sunroofs (B60J7/047 - B60J7/053 take precedence){e.g. sliding above the roof} · CPC title

• H02S40/345

  with cooling means associated with the electrical connection means, e.g. cooling means associated with or applied to the junction box (cooling means for PV cells H10F77/63, for PV modules H02S40/42) · CPC title

• Y02E10/50

  Photovoltaic [PV] energy · CPC title