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Electromagnetic coil and framework thereof

A technology of electromagnetic coils and skeletons, which is applied in the direction of coils, circuits, electrical components, etc., and can solve problems such as the loss of reliable insulation performance of electromagnetic coils, the inability to fully fuse the edge of the encapsulating material and the skeleton, and failure.

Active Publication Date: 2013-09-18
ZHEJIANG SANHUA INTELLIGENT CONTROLS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] First, when encapsulating, a closed cavity is formed inside after the mold and the skeleton are matched. After the melted encapsulating material enters the cavity of the mold from the injection port, the gas inside the cavity of the mold is forced to compress a large amount due to the lack of a discharge path. Heat release, the temperature in the mold

Method used

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  • Electromagnetic coil and framework thereof
  • Electromagnetic coil and framework thereof
  • Electromagnetic coil and framework thereof

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Embodiment Construction

[0037] The core of the present invention is to provide a skeleton of an electromagnetic coil, the skeleton is provided with a through groove, and the through groove has exhaust and / or positioning functions, and the exhaust function can ensure a good combination of the encapsulating material and the skeleton, thereby ensuring the electromagnetic Reliable insulation performance of the coil; the positioning function can prevent the deviation of the placement position of the skeleton coil, thereby ensuring uniform thickness of the envelope layer. Another core of the present invention is to provide an electromagnetic coil.

[0038] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0039] Please refer to Figure 4-7 , Figure 4 It is a cross-sectional view of a specific embodiment ...

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Abstract

The invention discloses an electromagnetic coil and a framework thereof. The disclosed framework comprises a wound core and two blade edge-shaped parts respectively arranged at both ends of the wound core; reverse end faces of the two blade edge-shaped parts are respectively provided with an annular boss; the outer edge of at least one annular boss is provided with a gap part. The framework is provided with the gap part, and the gap part has an exhaust and/or positioning function, wherein the good combination of an encapsulating material and the framework can be ensured by the exhaust function, and therefore, the reliable insulating property of the electromagnetic coil is ensured; the electromagnetic coil can be prevented from deviating in placement location, and therefore, an encapsulated layer is uniform and consistent in thickness.

Description

technical field [0001] The invention relates to the technical field of valve bodies, in particular to an electromagnetic coil and its skeleton. Background technique [0002] In air conditioners, compressors, refrigerators, water heaters and other products, there are generally valve products such as solenoid valves and four-way reversing valves that control the flow of gas or liquid, and solenoid coils are important components that control the on-off of such valve products. , the safety and reliability of its electrical performance directly affects the performance of the valve product. [0003] Please refer to Figure 1-3 , figure 1 is a cross-sectional view of a typical electromagnetic coil skeleton; figure 2 for figure 1 Schematic diagram of the three-dimensional structure of the middle skeleton; image 3 for figure 1 Schematic diagram of the structure of the skeleton in which the coil is wound and then encapsulated. [0004] The skeleton 1 of the electromagnetic ...

Claims

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Application Information

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IPC IPC(8): H01F5/00H01F5/02
Inventor 不公告发明人
Owner ZHEJIANG SANHUA INTELLIGENT CONTROLS CO LTD
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