CN102629513B - Coil outlet end transition connecting device of high-voltage current conversion transformer and manufacture method of coil outlet end transition connecting device - Google Patents
Coil outlet end transition connecting device of high-voltage current conversion transformer and manufacture method of coil outlet end transition connecting device Download PDFInfo
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Abstract
本发明属于变压器制作技术领域，特别涉及一种高压换流变压器线圈出头过渡连接装置及其制作方法。该高压换流变压器线圈出头过渡连接装置，包括线圈、引线和线圈出头导线，其特征是：所述引线焊接于铜板的开孔端，线圈出头导线焊接于铜板的出头导线端，引线、线圈出头导线和铜板外分别包有绝缘纸，铜板和线圈端部线饼间设置有绝缘纸板。其制作方法包括以下步骤：a、制作过渡连接铜板；b、连接处理包扎；c、放置固定。本发明的有益效果是：改善了线圈端部电场强度分布，提高了绝缘可靠性，保证了变压器的安全可靠性。
The invention belongs to the technical field of transformer manufacturing, and in particular relates to a high-voltage converter transformer coil outlet transition connection device and a manufacturing method thereof. The high-voltage converter transformer coil outlet transition connection device includes a coil, a lead wire, and a coil outlet wire. The wire and the copper plate are respectively wrapped with insulating paper, and the insulating paper plate is arranged between the copper plate and the coil end cake. The manufacturing method comprises the following steps: a. making transition connection copper plates; b. connecting and bandaging; c. placing and fixing. The invention has the beneficial effects of improving the distribution of the electric field intensity at the end of the coil, improving the insulation reliability and ensuring the safety and reliability of the transformer.
Description
（一） 技术领域 (1) Technical field
本发明属于变压器制作技术领域，特别涉及一种高压换流变压器线圈出头过渡连接装置及其制作方法。 The invention belongs to the technical field of transformer manufacturing, and in particular relates to a high-voltage converter transformer coil outlet transition connection device and a manufacturing method thereof.
（二） 背景技术 (2) Background technology
目前，现有的变压器线圈出头结构及其制作方法欠妥，导致线圈端部电场强度分布不均，绝缘可靠性不高，存在一定的安全隐患。因此，发明了一种可使线圈出头从外部移到中部或内部的高压换流变压器线圈出头过渡连接装置及其制作方法。 At present, the existing transformer coil head structure and its manufacturing method are not suitable, resulting in uneven distribution of electric field intensity at the end of the coil, low insulation reliability, and certain potential safety hazards. Therefore, a high-voltage converter transformer coil outlet transition connection device and its manufacturing method are invented, which can move the coil outlet from the outside to the middle or inside.
（三） 发明内容 (3) Contents of the invention
本发明为了弥补现有技术的不足，提供了一种可改善线圈端部电场强度分布、提高绝缘可靠性的高压换流变压器线圈出头过渡连接装置及其制作方法。 In order to make up for the deficiencies of the prior art, the present invention provides a high-voltage converter transformer coil outlet transition connection device that can improve the electric field intensity distribution at the end of the coil and improve insulation reliability and its manufacturing method.
本发明是通过如下技术方案实现的： The present invention is achieved through the following technical solutions:
一种高压换流变压器线圈出头过渡连接装置，包括线圈、引线和线圈出头导线，其特征是：所述引线焊接于铜板的开孔端，线圈出头导线焊接于铜板的出头导线端，引线、线圈出头导线和铜板外分别包有绝缘纸，铜板和线圈端部线饼间设置有绝缘纸板。 A high-voltage converter transformer coil outlet transition connection device, including a coil, a lead wire and a coil outlet wire, characterized in that: the lead wire is welded to the opening end of the copper plate, the coil outlet wire is welded to the copper plate outlet wire end, the lead wire, the coil The leading wire and the copper plate are respectively wrapped with insulating paper, and an insulating cardboard is arranged between the copper plate and the wire cake at the end of the coil.
所述绝缘纸的厚度大于原导线绝缘厚度。 The thickness of the insulating paper is greater than the insulation thickness of the original wire.
所述铜板棱边开设有倒角。 The edges of the copper plate are chamfered.
一种高压换流变压器线圈出头过渡连接装置的制作方法，包括以下步骤： A method for manufacturing a high-voltage converter transformer coil outlet transition connection device, comprising the following steps:
a、制作过渡连接铜板：开孔端为引线端，另一端为线圈出头导线端。根据线圈出头需要移动的位置确定尺寸L，根据引线的直径确定铜板开孔Φ值，根据线圈电压等级要求确定铜板棱边倒角尺寸，根据导线电流大小确定铜板尺寸及是否需开槽防止过热。 a. Make the transition connection copper plate: the end of the opening is the lead end, and the other end is the wire end of the coil. Determine the size L according to the position where the coil head needs to move, determine the Φ value of the copper plate opening according to the diameter of the lead wire, determine the edge chamfer size of the copper plate according to the coil voltage level requirements, determine the size of the copper plate and whether it needs to be slotted to prevent overheating according to the current of the wire.
b、连接处理包扎：线圈出头导线及引线去掉匝绝缘后焊接到铜板上，焊好后需在焊接部分进行常规屏蔽处理，包括打磨光滑、包铝箔及半导体纸，然后包扎绝缘纸，绝缘纸厚度要大于原导线绝缘厚度。 b. Connection treatment and bandaging: the lead wire and lead wire of the coil are welded to the copper plate after removing the turn insulation. After welding, the welding part needs to be subjected to conventional shielding treatment, including polishing, wrapping aluminum foil and semiconductor paper, and then wrapping insulating paper. The thickness of the insulating paper It should be greater than the original wire insulation thickness.
c、放置固定：在铜板和线圈端部线饼间放置绝缘纸板，绝缘纸板厚度及尺寸根据铜板与线饼最大电位差确定。最后将连接装置摆正、调好，用绝缘带或绝缘垫块将其固定牢靠。 c. Place and fix: Place insulating cardboard between the copper plate and the wire cake at the end of the coil. The thickness and size of the insulating cardboard are determined according to the maximum potential difference between the copper plate and the wire cake. Finally, straighten and adjust the connection device, and fix it firmly with insulating tape or insulating pads.
本发明的有益效果是：使线圈出头从线圈辐向外部移到中部或内部，改善了线圈端部电场强度分布，提高了绝缘可靠性，保证了变压器的安全可靠性。 The beneficial effect of the present invention is: the coil head is moved from the coil radial to the middle or the inside, the electric field intensity distribution at the coil end is improved, the insulation reliability is improved, and the safety and reliability of the transformer are guaranteed.
（四） 附图说明 (4) Description of drawings
下面结合附图对本发明作进一步的说明。 The present invention will be further described below in conjunction with the accompanying drawings.
附图1为本发明的铜板结构示意图； Accompanying drawing 1 is the structural representation of copper plate of the present invention;
附图2为附图1的A-A剖视示意图； Accompanying drawing 2 is A-A sectional schematic diagram of accompanying drawing 1;
附图3为本发明的引线和线圈出头导线的组合示意图； Accompanying drawing 3 is the combination schematic diagram of lead wire and coil lead wire of the present invention;
附图4为附图3的B-B剖视示意图； Accompanying drawing 4 is the B-B sectional schematic diagram of accompanying drawing 3;
附图5为附图3的C-C剖视示意图； Accompanying drawing 5 is the C-C sectional schematic diagram of accompanying drawing 3;
附图6为本发明的安装结构示意图； Accompanying drawing 6 is the schematic diagram of installation structure of the present invention;
附图7为附图6的D-D剖视示意图； Accompanying drawing 7 is the D-D sectional schematic diagram of accompanying drawing 6;
图中，1线圈，2引线，3线圈出头导线，4铜板，5绝缘纸，6绝缘纸板。 In the figure, 1 coil, 2 lead wire, 3 coil lead wire, 4 copper plate, 5 insulating paper, 6 insulating cardboard.
（五） 具体实施方式 (5) Specific implementation methods
附图为本发明的一种具体实施例。该实施例包括线圈1、引线2和线圈出头导线3，引线2焊接于铜板4的开孔端，线圈出头导线3焊接于铜板4的出头导线端，引线2、线圈出头导线3和铜板4外分别包有绝缘纸5，铜板4和线圈1端部线饼间设置有绝缘纸板6。绝缘纸5的厚度大于原导线绝缘厚度。铜板4棱边开设有倒角。 Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment includes a coil 1, a lead wire 2 and a coil lead wire 3, the lead wire 2 is welded to the opening end of the copper plate 4, the coil lead wire 3 is welded to the lead wire end of the copper plate 4, the lead wire 2, the coil lead wire 3 and the copper plate 4 Insulating paper 5 is wrapped respectively, and an insulating cardboard 6 is arranged between the copper plate 4 and the wire cake at the end of the coil 1 . The thickness of the insulating paper 5 is greater than the insulation thickness of the original wire. The four edges of the copper plate are chamfered.
采用本发明的高压换流变压器线圈出头过渡连接装置的制作方法，包括以下步骤： The manufacturing method of the high-voltage converter transformer coil outlet transition connection device according to the present invention comprises the following steps:
a、制作过渡连接铜板：开孔端为引线端，另一端为线圈出头导线端。根据线圈1出头需要移动的位置确定尺寸L，根据引线2的直径确定铜板4开孔Φ值，根据线圈1电压等级要求确定铜板4棱边倒角尺寸，根据导线电流大小确定铜板4尺寸及是否需开槽防止过热。 a. Make the transition connection copper plate: the end of the opening is the lead end, and the other end is the wire end of the coil. Determine the size L according to the position where the coil 1 needs to move, determine the Φ value of the copper plate 4 opening according to the diameter of the lead wire 2, determine the edge chamfer size of the copper plate 4 according to the voltage level requirements of the coil 1, and determine the size of the copper plate 4 and whether it is based on the current of the wire. Slots are required to prevent overheating.
b、连接处理包扎：线圈出头导线3及引线2去掉匝绝缘后焊接到铜板4上，焊好后需在焊接部分进行常规屏蔽处理，包括打磨光滑、包铝箔及半导体纸，然后包扎绝缘纸5，绝缘纸5厚度要大于原导线绝缘厚度。 b. Connection treatment and bandaging: the lead wire 3 and the lead wire 2 of the coil are welded to the copper plate 4 after removing the turn insulation. After welding, the welding part needs to be subjected to conventional shielding treatment, including polishing, wrapping aluminum foil and semiconductor paper, and then wrapping the insulating paper 5 , the thickness of the insulating paper 5 is greater than the insulation thickness of the original wire.
c、放置固定：在铜板4和线圈1端部线饼间放置绝缘纸板6，绝缘纸板6厚度及尺寸根据铜板4与线饼最大电位差确定。最后将连接装置摆正、调好，用绝缘带或绝缘垫块将其固定牢靠。 c. Place and fix: Place insulating cardboard 6 between the copper plate 4 and the wire cake at the end of the coil 1. The thickness and size of the insulating cardboard 6 are determined according to the maximum potential difference between the copper plate 4 and the wire cake. Finally, straighten and adjust the connection device, and fix it firmly with insulating tape or insulating pads.
Claims (2)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210121697.9A CN102629513B (en) | 2012-04-24 | 2012-04-24 | Coil outlet end transition connecting device of high-voltage current conversion transformer and manufacture method of coil outlet end transition connecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210121697.9A CN102629513B (en) | 2012-04-24 | 2012-04-24 | Coil outlet end transition connecting device of high-voltage current conversion transformer and manufacture method of coil outlet end transition connecting device |
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| Publication Number | Publication Date |
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| CN102629513A CN102629513A (en) | 2012-08-08 |
| CN102629513B true CN102629513B (en) | 2015-04-29 |
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| CN201210121697.9A Expired - Fee Related CN102629513B (en) | 2012-04-24 | 2012-04-24 | Coil outlet end transition connecting device of high-voltage current conversion transformer and manufacture method of coil outlet end transition connecting device |
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| CN115346773A (en) * | 2021-05-14 | 2022-11-15 | 台达电子工业股份有限公司 | Common mode inductor |
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| CN101145438A (en) * | 2007-08-17 | 2008-03-19 | 山东达驰电气股份有限公司 | A shielding and insulation treatment method at the outlet of a transformer coil |
| CN201323116Y (en) * | 2008-12-05 | 2009-10-07 | 衢州杭甬变压器有限公司 | Transformer low voltage lead wire connecting piece |
| CN201956176U (en) * | 2010-12-09 | 2011-08-31 | 浙江江山变压器有限公司 | Winding lead-out wire electric screening structure of a wire from a winding central section |
| CN202034196U (en) * | 2010-12-31 | 2011-11-09 | 保定天威集团有限公司 | Trihedral leading wire connecting structure for ultra-high voltage converter transformer |
| CN202076104U (en) * | 2010-12-09 | 2011-12-14 | 浙江江山变压器有限公司 | Electric shielding structure of tapped wire-leading T-shaped welded head of transformer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4899127B2 (en) * | 2007-02-19 | 2012-03-21 | ミネベア株式会社 | Inverter transformer |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145438A (en) * | 2007-08-17 | 2008-03-19 | 山东达驰电气股份有限公司 | A shielding and insulation treatment method at the outlet of a transformer coil |
| CN201323116Y (en) * | 2008-12-05 | 2009-10-07 | 衢州杭甬变压器有限公司 | Transformer low voltage lead wire connecting piece |
| CN201956176U (en) * | 2010-12-09 | 2011-08-31 | 浙江江山变压器有限公司 | Winding lead-out wire electric screening structure of a wire from a winding central section |
| CN202076104U (en) * | 2010-12-09 | 2011-12-14 | 浙江江山变压器有限公司 | Electric shielding structure of tapped wire-leading T-shaped welded head of transformer |
| CN202034196U (en) * | 2010-12-31 | 2011-11-09 | 保定天威集团有限公司 | Trihedral leading wire connecting structure for ultra-high voltage converter transformer |
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