TWI626668B - Transformer structure - Google Patents
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Abstract
一種變壓器結構，其包含鐵芯以及由第一繞線至第四繞線所組成的線圈，該鐵芯具有第一凸緣、第二凸緣以及中間凸緣，該第一凸緣上分別設有第一端子電極與第二端子電極，該第二凸緣上分別設有第三端子電極與第四端子電極，該中間凸緣上分別設有第一中心抽頭與第二中心抽頭，第一繞線分別連接第一端子電極與第一中心抽頭，第二繞線分別連接第一中心抽頭與第三端子電極，第三繞線分別連接第二端子電極與第二中心抽頭，第四繞線分別連接第二中心抽頭與第四端子電極，藉此，本發明可顯著增加變壓器的耐壓安全距離，從而可具有較佳的耐高壓特性。 A transformer structure comprising a core and a coil composed of a first winding to a fourth winding, the core having a first flange, a second flange and an intermediate flange, the first flange being respectively provided The first terminal electrode and the second terminal electrode are respectively disposed on the second flange, and the first center tap and the second center tap are respectively disposed on the intermediate flange, first The winding is respectively connected to the first terminal electrode and the first center tap, the second winding is respectively connected to the first center tap and the third terminal electrode, and the third winding is respectively connected to the second terminal electrode and the second center tap, the fourth winding The second center tap and the fourth terminal electrode are respectively connected, whereby the present invention can significantly increase the voltage withstand voltage of the transformer, thereby having better high voltage resistance.
Description
本發明係關於一種變壓器結構。 The present invention relates to a transformer structure.
按，請參閱第一圖所示為一種習知的變壓器結構，其係在一鼓型芯(drum core)一側的第一凸緣(flange)10上設有一對初級側端子電極(primary-side terminal electrodes)12a、12b以及次級側中心抽頭(secondary-side center tap)12c，在另一側的第二凸緣11上設有一對次級側端子電極13a、13b及初級側中心抽頭13c，此外，該變壓器的一對線圈係由四條繞線C1~C4所構成，其中，繞線C1、C2構成初級側線圈，繞線C3、C4構成次級側線圈，繞線C1的兩端分別連接初級側端子電極12a及初級側中心抽頭13c，繞線C2的兩端分別連接初級側端子電極12b及初級側中心抽頭13c，繞線C3的兩端分別連接次級側中心抽頭12c及次級側端子電極13b，繞線C4的兩端分別連接次級側中心抽頭12c及次級側端子電極13a。 According to the first figure, a conventional transformer structure is provided, which is provided with a pair of primary side terminal electrodes on a first flange 10 on one side of a drum core (primary- Side terminal electrodes 12a, 12b and a secondary-side center tap 12c, and a pair of secondary side terminal electrodes 13a, 13b and a primary side center tap 13c on the second flange 11 on the other side In addition, the pair of coils of the transformer is composed of four windings C1 to C4, wherein the windings C1 and C2 constitute a primary side coil, and the windings C3 and C4 constitute a secondary side coil, and the two ends of the winding C1 are respectively The primary side terminal electrode 12a and the primary side center tap 13c are connected, and the two ends of the winding C2 are respectively connected to the primary side terminal electrode 12b and the primary side center tap 13c, and the two ends of the winding C3 are respectively connected to the secondary side center tap 12c and the secondary The side terminal electrode 13b and the both ends of the winding C4 are connected to the secondary side center tap 12c and the secondary side terminal electrode 13a, respectively.
請繼續參閱第一圖所示，該初級側端子電極12b與次級側中心抽頭12c兩者的距離即為此習知變壓器其一次側線圈與二次側線圈之間的距離，由於此一距離明顯小於該第一凸緣10的長度，如此一來，在變壓器尺寸固定不變的前提之下，其耐壓安全距離(又稱Hi-Pot安全距離，其中Hi-Pot即為High Potential的簡寫)顯然較小，導致該變壓器的耐高壓特性較差。此外，如中華民國專利第M531040號所揭示之變壓器結構，亦 存在有同樣之問題。 Referring to the first figure, the distance between the primary side terminal electrode 12b and the secondary side center tap 12c is the distance between the primary side coil and the secondary side coil of the conventional transformer. It is obviously smaller than the length of the first flange 10, so that under the premise that the size of the transformer is fixed, the pressure safety distance (also known as Hi-Pot safety distance, wherein Hi-Pot is a shorthand for High Potential) ) It is obviously small, resulting in poor resistance to high voltage characteristics of the transformer. In addition, the transformer structure disclosed in the Republic of China Patent No. M531040 is also There is the same problem.
因此，如何針對上述缺失加以改進，即為本案創作人欲解決之技術困難點所在。 Therefore, how to improve the above-mentioned deficiencies is the technical difficulty that the creators of this case want to solve.
有鑑於習用變壓器的上述缺失，因此本發明之目的在於發展一種具有較佳之耐高壓特性的變壓器。 In view of the above-mentioned deficiencies of conventional transformers, it is therefore an object of the present invention to develop a transformer having better high voltage resistance.
為達成以上之目的，本發明係提供一種變壓器結構，其包含：一鐵芯，該鐵芯具有一繞線部以及一對分別連接於該繞線部兩端的第一凸緣與第二凸緣，該第一凸緣的頂面兩側分別設有一第一端子電極與一第二端子電極，該第二凸緣的頂面兩側以相同的方向順序分別設有一第三端子電極與一第四端子電極，該鐵芯於繞線部的中間位置向外圍延伸形成有一中間凸緣，該中間凸緣的頂面兩側以相同的方向順序分別設有一第一中心抽頭與一第二中心抽頭；一第一繞線，該第一繞線捲繞於該繞線部，且該第一繞線的第一端與第二端分別連接於該第一端子電極與該第一中心抽頭；一第二繞線，該第二繞線捲繞於該繞線部，且該第二繞線的第一端與第二端分別連接於該第一中心抽頭與該第三端子電極；一第三繞線，該第三繞線捲繞於該繞線部，且該第三繞線第一端與第二端分別連接於該第二端子電極與該第二中心抽頭；一第四繞線，該第四繞線捲繞於該繞線部，且該第四繞線的第一端與第二端分別連接於該第二中心抽頭與該第四端子電極。 In order to achieve the above object, the present invention provides a transformer structure including: an iron core having a winding portion and a pair of first flanges and second flanges respectively connected to opposite ends of the winding portion a first terminal electrode and a second terminal electrode are respectively disposed on two sides of the top surface of the first flange, and a third terminal electrode and a first portion are respectively disposed in the same direction on both sides of the top surface of the second flange a four-terminal electrode, the iron core extending to the periphery of the winding portion to form a middle flange, the top surface of the intermediate flange is respectively provided with a first center tap and a second center tap in the same direction a first winding, the first winding is wound around the winding portion, and the first end and the second end of the first winding are respectively connected to the first terminal electrode and the first center tap; a second winding, the second winding is wound around the winding portion, and the first end and the second end of the second winding are respectively connected to the first center tap and the third terminal electrode; Winding, the third winding is wound around the winding portion, and the third winding is first The second end is connected to the second terminal electrode and the second center tap; a fourth winding, the fourth winding is wound around the winding portion, and the first end of the fourth winding is The two ends are respectively connected to the second center tap and the fourth terminal electrode.
其中，還包含有一蓋板，且該蓋板分別與該鐵芯其各該凸緣的底面相結合固設。 Wherein, a cover plate is further included, and the cover plate is respectively fixedly combined with the bottom surface of each of the flanges of the iron core.
其中，該第一繞線、第二繞線的繞線方向與該第三繞線、第四繞線的繞線方向相同。 The winding direction of the first winding and the second winding is the same as the winding direction of the third winding and the fourth winding.
其中，該第一繞線、第二繞線的繞線方向與該第三繞線、第四繞線的繞線方向相反。 The winding direction of the first winding and the second winding is opposite to the winding direction of the third winding and the fourth winding.
藉由上述結構，本發明可顯著增加變壓器的耐壓安全距離，從而可具有較佳的耐高壓特性，進而可大幅提高本發明之實用性。 With the above structure, the present invention can significantly increase the voltage withstand voltage of the transformer, thereby having better high voltage resistance characteristics, and the utility of the present invention can be greatly improved.
10‧‧‧第一凸緣 10‧‧‧First flange
11‧‧‧第二凸緣 11‧‧‧second flange
12a‧‧‧初級側端子電極 12a‧‧‧Primary terminal electrode
12b‧‧‧初級側端子電極 12b‧‧‧primary terminal electrode
12c‧‧‧次級側中心抽頭 12c‧‧‧Secondary center tap
13a‧‧‧次級側端子電極 13a‧‧‧Secondary terminal electrode
13b‧‧‧次級側端子電極 13b‧‧‧Secondary terminal electrode
13c‧‧‧初級側中心抽頭 13c‧‧‧primary side center tap
3‧‧‧鐵芯 3‧‧‧ iron core
31‧‧‧繞線部 31‧‧‧Winding Department
32‧‧‧第一凸緣 32‧‧‧First flange
33‧‧‧第二凸緣 33‧‧‧second flange
34‧‧‧中間凸緣 34‧‧‧Intermediate flange
51‧‧‧第一端子電極 51‧‧‧First terminal electrode
52‧‧‧第二端子電極 52‧‧‧second terminal electrode
53‧‧‧第三端子電極 53‧‧‧ Third terminal electrode
54‧‧‧第四端子電極 54‧‧‧fourth terminal electrode
55‧‧‧第一中心抽頭 55‧‧‧First Center Tap
56‧‧‧第二中心抽頭 56‧‧‧second center tap
6‧‧‧蓋板 6‧‧‧ Cover
C1~C4‧‧‧繞線 C1~C4‧‧‧ winding
S1‧‧‧第一繞線 S1‧‧‧First winding
S2‧‧‧第二繞線 S2‧‧‧second winding
S3‧‧‧第三繞線 S3‧‧‧ third winding
S4‧‧‧第四繞線 S4‧‧‧fourth winding
S1a~S4a‧‧‧第一端 S1a~S4a‧‧‧ first end
S1b~S4b‧‧‧第二端 S1b~S4b‧‧‧ second end
第一圖係習知變壓器的結構示意圖。 The first figure is a schematic diagram of the structure of a conventional transformer.
第二圖係本發明之一實施例的立體示意圖。 The second drawing is a perspective view of an embodiment of the present invention.
第三圖係本發明之一實施例的俯視示意圖。 The third figure is a top plan view of an embodiment of the invention.
第四圖係本發明之一實施例的等效電路示意圖。 The fourth figure is a schematic diagram of an equivalent circuit of an embodiment of the present invention.
第五圖係本發明其第二實施例的立體示意圖。 Figure 5 is a perspective view of a second embodiment of the present invention.
請參閱第二圖與第三圖所示，其分別係本發明的變壓器結構之一實施例的立體示意圖與俯視示意圖，該變壓器結構包含：一鐵芯3，該鐵芯3具有一繞線部31以及一對分別連接於該繞線部31兩端的第一凸緣32與第二凸緣33，該第一凸緣32的頂面兩側分別設有一第一端子電極51與一第二端子電極52，該第二凸緣33的頂面兩側以相同的方向順序分別設有一第三端子電極53與一第四端子電極54，此外，該鐵芯3於繞線部31的中間位置向外圍延伸形成有一中間凸緣34，該中間凸緣34的頂面兩側以相同的方向順序分別設有一第一中心抽頭55 與一第二中心抽頭56，在此，各該端子電極與各該中心抽頭具體可為導電銀膠；一第一繞線S1，該第一繞線S1係捲繞於該鐵芯3的繞線部31，且該第一繞線S1的第一端S1a與第二端S1b分別連接於該第一端子電極51與該第一中心抽頭55；一第二繞線S2，該第二繞線S2係捲繞於鐵芯3的繞線部31，且該第二繞線S2的第一端S2a與第二端S2b分別連接於該第一中心抽頭55與該第三端子電極53；一第三繞線S3，該第三繞線S3係捲繞於該鐵芯3的繞線部31，且該第三繞線S3的第一端S3a與第二端S3b分別連接於該第二端子電極52與該第二中心抽頭56；一第四繞線S4，該第四繞線S4係捲繞於該鐵芯3的繞線部31，且該第四繞線S4的第一端S4a與第二端S4b分別連接於該第二中心抽頭56與該第四端子電極54；請配合參閱第四圖所示係為本發明的變壓器結構之一實施例的等效電路圖，對本發明而言，第一繞線S1與第二繞線S2係構成變壓器的一次側線圈，第三繞線S3與第四繞線S4則構成變壓器的二次側線圈，該第一端子電極51與第三端子電極53構成了一次側的兩個輸入端，該第二端子電極52與第四端子電極54構成了二次側的兩個輸出端，該第一中心抽頭55與第二中心抽頭56則是分別作為一次側與二次側的中心抽頭(center tap)來使用的；此外，可以一提的是，實際進行繞線作業時，作為變壓器 之一次側繞組的第一繞線S1與第二繞線S2若以一第一繞線方向(順向)來繞線，則作為變壓器之二次側繞組的第三繞線S3與第四繞線S4可同樣以該第一繞線方向來繞線，或者，該第三繞線S3與第四繞線S4也可以一相反於該第一繞線方向的第二繞線方向(即逆向)來繞線；請參閱第二圖與第三圖所示，藉由上述結構，本發明的變壓器其一次側線圈與二次側線圈之間的距離即為第一中心抽頭55到第二中心抽頭56的距離，而此一距離相當於整個中間凸緣34的長度，如此一來，與習知的變壓器相較，在變壓器尺寸固定不變的條件之下，本發明可顯著增加變壓器的耐壓安全距離，從而可具有較佳的耐高壓特性，進而可大幅提高本發明之實用性。 Please refer to the second and third figures, which are respectively a perspective view and a top view of an embodiment of the transformer structure of the present invention. The transformer structure comprises: an iron core 3 having a winding portion 31 and a pair of first flanges 32 and second flanges 33 respectively connected to the two ends of the winding portion 31, and a first terminal electrode 51 and a second terminal are respectively disposed on two sides of the top surface of the first flange 32 A third terminal electrode 53 and a fourth terminal electrode 54 are respectively disposed in the same direction on both sides of the top surface of the second flange 33. Further, the core 3 is located at an intermediate position of the winding portion 31. The outer periphery is formed with an intermediate flange 34. The top surface of the intermediate flange 34 is respectively provided with a first center tap 55 in the same direction. And a second center tap 56, wherein each of the terminal electrodes and each of the center taps may be a conductive silver paste; a first winding S1, the first winding S1 is wound around the core 3 The first end S1a and the second end S1b of the first winding S1 are respectively connected to the first terminal electrode 51 and the first center tap 55; a second winding S2, the second winding S2 is wound around the winding portion 31 of the core 3, and the first end S2a and the second end S2b of the second winding S2 are respectively connected to the first center tap 55 and the third terminal electrode 53; a third winding S3, the third winding S3 is wound around the winding portion 31 of the iron core 3, and the first end S3a and the second end S3b of the third winding S3 are respectively connected to the second terminal electrode 52 and the second center tap 56; a fourth winding S4, the fourth winding S4 is wound around the winding portion 31 of the core 3, and the first end S4a and the fourth winding S4 The two ends S4b are respectively connected to the second center tap 56 and the fourth terminal electrode 54; please refer to the fourth figure as an equivalent circuit diagram of an embodiment of the transformer structure of the present invention, for the present invention, One The line S1 and the second winding S2 constitute a primary side coil of the transformer, and the third winding S3 and the fourth winding S4 constitute a secondary side coil of the transformer, and the first terminal electrode 51 and the third terminal electrode 53 constitute a second side coil The two input ends of the primary side, the second terminal electrode 52 and the fourth terminal electrode 54 form two output ends of the secondary side, and the first center tap 55 and the second center tap 56 are respectively used as the primary side. The center tap of the secondary side is used; in addition, it can be mentioned that when actually performing the winding work, it is used as a transformer. If the first winding S1 and the second winding S2 of the primary winding are wound in a first winding direction (forward), the third winding S3 and the fourth winding as the secondary winding of the transformer The line S4 may be wound in the first winding direction, or the third winding S3 and the fourth winding S4 may be opposite to the second winding direction of the first winding direction (ie, reverse). Referring to the second and third figures, with the above structure, the distance between the primary side coil and the secondary side coil of the transformer of the present invention is the first center tap 55 to the second center tap The distance of 56, which corresponds to the length of the entire intermediate flange 34, so that the present invention can significantly increase the withstand voltage of the transformer under the condition that the size of the transformer is fixed compared with the conventional transformer. The safety distance, so that it can have better high pressure resistance characteristics, can greatly improve the utility of the present invention.
請再參閱第五圖所示為本發明的變壓器結構之第二實施例的立體示意圖，其中，進一步包含有一蓋板6，且該蓋板6係分別與該鐵芯3其各該凸緣(即第一凸緣32、第二凸緣33與中間凸緣34)的底面相結合固設(例如黏固)，藉此，俾使本發明可具有更高的感值並可方便供SMT設備吸件進行安裝，進而使本發明可具有更佳的實用性。 Referring to FIG. 5 again, a perspective view of a second embodiment of the transformer structure of the present invention is shown, which further includes a cover plate 6 and the cover plate 6 and the flange of the iron core 3 respectively. That is, the first flange 32 and the second flange 33 are combined with the bottom surface of the intermediate flange 34) to be fixed (for example, adhered), thereby enabling the invention to have a higher inductance and being convenient for the SMT device. The suction member is mounted to further improve the utility of the present invention.
惟上列詳細說明係針對本發明之較佳實施例的具體說明，該等實施例並非用以限制本發明之專利範圍，而凡未脫離本發明技藝精神所為之等效實施或變更，均應包含於本案之專利範圍中。 The detailed description of the preferred embodiments of the present invention is not intended to limit the scope of the invention, and should be It is included in the patent scope of this case.
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|---|---|---|---|
| TW106137350A TWI626668B (en) | 2017-10-30 | 2017-10-30 | Transformer structure |
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| TW106137350A TWI626668B (en) | 2017-10-30 | 2017-10-30 | Transformer structure |
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| TWI626668B true TWI626668B (en) | 2018-06-11 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM483536U (en) * | 2014-02-14 | 2014-08-01 | Cde Corp | Inductance element |
| CN104078197A (en) * | 2013-03-27 | 2014-10-01 | Tdk株式会社 | Pulse transformer |
| US20160268035A1 (en) * | 2014-01-20 | 2016-09-15 | Mitsubishi Electric Corporation | Vehicle-mounted transformer |
| TWM556916U (en) * | 2017-10-30 | 2018-03-11 | Tai Tech Advanced Electronics Co Ltd | Transformer structure |
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- 2017-10-30 TW TW106137350A patent/TWI626668B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078197A (en) * | 2013-03-27 | 2014-10-01 | Tdk株式会社 | Pulse transformer |
| US20160268035A1 (en) * | 2014-01-20 | 2016-09-15 | Mitsubishi Electric Corporation | Vehicle-mounted transformer |
| TWM483536U (en) * | 2014-02-14 | 2014-08-01 | Cde Corp | Inductance element |
| TWM556916U (en) * | 2017-10-30 | 2018-03-11 | Tai Tech Advanced Electronics Co Ltd | Transformer structure |
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| TW201917747A (en) | 2019-05-01 |
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