Manufacturing process of polyimide film sintered powder mica bend coated flat copper cord
A polyimide film, powder mica tape technology, applied in mica, cable/conductor manufacturing, plastic/resin/wax insulators, etc. Power fluctuation, wire core surface temperature fluctuation, etc., to avoid the deterioration of mechanical properties, reduce the wire core surface temperature fluctuation, and improve the quality of melting and sealing
Active Publication Date: 2011-04-27
株洲兆源机电科技有限公司
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Its disadvantages are: multiple take-up and take-off and intermittent production have adverse effects on the continuous refining and adhesion of the insulating layer, and excessive bending caused by multiple take-up and take-off will seriously affect the mica tape wrapping film The mechanical properties of sintered copper flat wires cause defects such as excessive rigidity and ultimately cannot meet the requirements of use
In actual production, the high-frequency voltage will fluctuate at different time periods. When the high-frequency output current remains unchanged, the fluctuation of the high-frequency voltage will inevitably lead to fluctuations in the high-frequency output power, which will eventually cause temperature fluctuations on the surface of the core.
In addition, in the case of constant high-frequency power, changes in the external environment will also affect the temperature of the core surface
Uncontrollable temperature will inevitably lead to fluctuations in product quality
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0021] by attaching figure 2 , 3 It can be known that the present invention is a polyimide film sintered powder mica tape wrapped copper flat wire and its manufacturing method. The polyimide film sintered powder mica tape wrapped copper flat wire is composed of insulating material and metal wire, there are two layers of insulating material outside the metal wire 1, and the inner layer in contact with the metal wire is polyimide film 2. A mica tape 3 is wrapped around the polyimide film. The polyimide film is a polyimide-fluorine 46 film. After high-frequency heating, melting and sealing, the film and the metal wire, and the film and the film are firmly bonded into a whole.
[0022] The manufacturing process of the polyimide film sintered powder mica tape wrapped copper flat wire comprises the following steps:
[0023] 1) Lay out the copper flat wir...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a polyimide film sintering powder and mica tape winding copper flat wire and a preparation method thereof. Two layers of insulation materials are wound outside a metal wire, the inner layer is a sintered polyimide film, and the outer layer is a mica tape. The electromagnetic wire has good voltage and heat resistance, high mechanical strength and strong corona resistance. The preparation method comprises the following technical routes: conductor straightening, conductor polishing, film winding, high-frequency heating, melting, adhesive sealing, mica tape winding and rolling. The invention integrates the production technical routes by improving a high-frequency device, a mica winding device and other devices, the quality of the copper flat wire is ensured, meanwhile, the mechanical property of the copper flat wire is increased, the production flow is shortened, and the production efficiency is increased. The invention is suitable for composite insulation windingcoils of large-sized motors and electric appliances, such as wind driven generators, and the like.
Description
technical field [0001] The invention relates to an insulating structure of an electromagnetic coil wire and a manufacturing method thereof, in particular to an insulating structure of a polyimide film sintered powder mica tape wrapped copper flat wire and a manufacturing method thereof. Background technique [0002] The electromagnetic wire used in wind power generation is one of the key technologies of wind power generation. At present, the electromagnetic wire used in European wind power generators is mainly polyester film mica wire. The insulation structure is that the conductor is first wrapped with a layer of polyester film, and then Wrap a layer of mica tape around. This kind of insulation structure has good voltage resistance and corona resistance performance, but in use, because the polyester film is easy to hydrolyze, the moisture resistance performance is not good. [0003] The traditional production process to produce the electromagnetic wire with this kind of in...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/00H01B7/02H01B3/04H01B3/30H01B13/00H01B13/08H01B13/26
Inventor 潘世文唐文进姜其斌
Owner 株洲兆源机电科技有限公司