Application of silicone rubber in electromagnetic coil package and packing method

A technology of electromagnetic coil and packaging method, applied in the direction of coil, coil manufacturing, circuit, etc., can solve the problem of inappropriate electromagnetic coil, and achieve the effect of easy implementation, low cost and simple method

Inactive Publication Date: 2007-03-28
马银良
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this invention is aimed at resin molded coils of transformers, and is not suitable for electromagnetic coils with enameled wires and skeleton structures.

Method used

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  • Application of silicone rubber in electromagnetic coil package and packing method

Examples

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Comparison scheme
Effect test

Embodiment Construction

[0021] As shown in Fig. 1, the application of the silicone glue of the present invention in electromagnetic coil packaging is to wind the enameled wire winding 2 on the I-shaped coil frame 3 and encapsulate the silicone glue sealing outer layer 1 to form an electromagnetic coil.

[0022] The silicone glue can be 587, 596, 598, 5699 or 207.

[0023] The specific method is: when making an electromagnetic coil, an I-shaped coil bobbin 3 is required, which has a first surface 6, a second surface 5 and a third surface 7 to carry the enameled wire winding 2; Hole 4 is used to install the magnetizer and fix it on the winding machine shaft when winding the enameled wire.

[0024] After the enameled wire 2 is wound on the bobbin 3, since the first surface 6, the second surface 5 and the third surface 7 of the bobbin 3 are all sealed, external oil, gas, water, etc. cannot enter the enameled wire winding 2, these three surfaces can be sealed. Then apply silicone glue on the outer surfa...

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Abstract

The electromagnetic coil includes enameled wires wrapped on I -shaped winding framework, and sealed outer layer by silicone adhesive. The method includes following steps: placing framework of electromagnetic coil in a rotation axis; using a wiper blade to coat silicone adhesive on outer surface of winding of enameled wires wrapped on winding framework so as to form packaged sealant. Advantages are: easy of implementation, lower cost, sealant of possessing good toughness, insulatibity, oil resistance and corrosion resistance, and smaller size of electromagnetic coil.

Description

technical field [0001] The invention relates to an electromagnetic coil packaging method, in particular to an application of silicone glue in electromagnetic coil packaging and a packaging method. Background technique [0002] In electromagnetic mechanisms such as solenoid valves, there are one or more electromagnetic coils, which are used to energize to generate a magnetic field to make the relevant magnetic mechanism generate electromagnetic attraction and move. The use environment of electromagnetic coils is ever-changing. Sometimes it needs to work in a humid environment, sometimes it needs to work in an environment with corrosive gases, and sometimes it needs to work in an oily environment (including lubricating oil, diesel, gasoline, etc.). [0003] As we all know, when water vapor enters the electromagnetic coil, it is very easy to cause a short circuit between the turns of the electromagnetic coil and burn the electromagnetic coil; when corrosive gas or oil enters th...

Claims

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Application Information

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IPC IPC(8): H01F5/02H01F41/04
Inventor 马银良
Owner 马银良
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