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Insulation structure and insulation method for connection point of heating plate pole piece and wires

A technology of wire connection and insulating structure, applied in heating elements, ohmic resistance heating parts, etc., can solve the problems of no obvious improvement in the pulling force of solder joints, unsuitable for mass production, long drying time of sealant, etc., to achieve excellent Insulation and sealing performance, improved production efficiency, and good adhesion

Pending Publication Date: 2021-07-16
赛柯赛斯新能源科技(苏州)有限公司
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AI Technical Summary

Problems solved by technology

At present, there are two ways to solve the solder joints. One is to stick insulating tape on the solder joints. This method is less reliable and will fall off after long-term use; The efficiency of this method is low, the sealing effect is average, and the drying time of the sealant is long, so it is not suitable for mass production
And these two methods did not significantly improve the pullout force of solder joints

Method used

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  • Insulation structure and insulation method for connection point of heating plate pole piece and wires
  • Insulation structure and insulation method for connection point of heating plate pole piece and wires
  • Insulation structure and insulation method for connection point of heating plate pole piece and wires

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] see Figure 1~3 , the present invention provides a technical solution: an insulation structure for the connection point of the heating plate pole piece and the wire, including the heating plate pole piece 3 and two wires 4, and also includes two current-carrying pieces 6 and a low-pressure injection molding packaging piece 1, The ends of the wires 4 are welded and fixed to the upper surface of the corresponding current-carrying piece 6 through the weldi...

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Abstract

The invention discloses an insulation structure and an insulation method for a connection point of a heating plate pole piece and wires. The insulation structure comprises the heating plate pole piece and two wires, and further comprises two current-carrying plates and a low-pressure injection molding packaging plate, the end part of the wire is welded and fixed with the upper end surface of the corresponding current-carrying plate through a welding point, the current-carrying plate is tightly attached to the upper surface of the heating plate pole piece, a plurality of heating sheet through holes are dispersedly formed in the heating plate pole piece around the current-carrying plate, and the upper surface of the current-carrying plate, the upper surface of the heating plate pole piece and the lower surface of the heating plate pole piece are coated with the low-pressure injection molding packaging plate. The insulation structure provided by the invention has excellent insulation sealing performance, high waterproof and dustproof grade and good flame-retardant effect; the drawing force between the wire and the pole piece of the heating plate is improved; the performance of the product prepared by the method is far better than that of a product insulated by a dispensing or potting process; and the method can obviously improve the production efficiency and reduce the production cost.

Description

technical field [0001] The invention relates to the technical field of electric heating, in particular to an insulation structure and an insulation method for a connection point between a pole piece of a heating plate and a wire. Background technique [0002] The heating sheet is a two-dimensional planar heating material, which has been widely used in civil heating, smart wear, lithium battery pack heating, road deicing and other special applications. According to the type of heating element, planar heating sheets are divided into carbon-based heating sheets, metal-based heating sheets, metal oxide-based heating sheets and conductive polymer-based heating sheets. [0003] Usually, planar heaters are connected with cylindrical or flat wires in practical applications. There are soldering, laser welding, ultrasonic welding, resistance welding, etc. to connect the heating plate and the wire. The pulling force of the wire and the heating plate after welding is an important test ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/08
CPCH05B3/08
Inventor 赵明杰
Owner 赛柯赛斯新能源科技(苏州)有限公司
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