M417638 五、新型說明： 【新型所屬之技術領域】 本創作係關於一種可調整漏電感值的變壓器。 【先前技術】 變壓器是一種利用磁心與初級側繞組及次級側繞組產 生電磁耦合感應，藉此達到轉換電壓之目的的電子組件。 在理想的狀態下，變壓器之初級側繞組與次級側繞組完全 耦合，其耦合係數為1,且漏電感值為零。但是，在實際的 情況下’ 一般的變壓器由於其初級側繞組與次級側繞組大 多未能完全耦合，在此耦合係數小於彳的情況下會存在漏 电感’而因為該漏電感會影響到變壓器的電源轉換效率，M417638 V. New description: [New technical field] This creation is about a transformer that can adjust the leakage inductance value. [Prior Art] A transformer is an electronic component that utilizes a magnetic core to generate electromagnetic coupling inductance with a primary side winding and a secondary side winding, thereby achieving the purpose of converting a voltage. In the ideal state, the primary side winding of the transformer is fully coupled to the secondary side winding with a coupling factor of 1 and a leakage inductance value of zero. However, in the actual case, the general transformer is mostly not fully coupled due to its primary side winding and secondary side winding. In this case, the coupling coefficient is less than 彳, there will be leakage inductance' because the leakage inductance will affect the transformer. Power conversion efficiency,
然而，在新一代電子產品的電源供應系統中則選擇積However, in the power supply system of a new generation of electronic products, the product is selected.
6 3 :該 第一線架61用以纏繞一 霉」發明專利案所示，參見圖6及7， 第一線架62以及一鐵芯組63 :該 ‘一初級側繞組64且包含一第一通道 3 M417638 61 1 ;該第二線架6 2用以纏繞一次級侧繞組6 5且包含一第 二通道621與一套接部622，該第二線架62之套接部622 具有與該第二通道621相連通之一容置空間623，用以容 納纏繞於該第一線架61之初級侧繞組64，俾使該初級側繞 組64與次級侧繞組65相隔離，並令該第一線架61之第一 通道61 1與該第二線架62之第二通道621相連通；該鐵怒 組63穿設於該第一線架61之第一通道611及該第二線架 62之第二通道621中。藉由套接部623使初級側繞組64 與次級側繞組65相隔離，並增加初級側繞組64與次級側 繞組65之間的距離，從而達到降低該初級側繞組64與次 級側繞組65間的耦合率以及增加該變壓器之漏電感值的目 的。 然而’上述現有技術之變壓器的缺點在於，由於其初 級側繞組64與次級側繞組65皆必須先繞設於線架6彳、62 上方能進行後續的組裝作業，因此增加了線架61、6 $部分 的材料及製作成本； 此外，就結構及原理來說，雖然前述專利案可藉由移 動該第一線架61與第二線架62之相對位置的方式來調整 該初級側繞組64與次級側繞組65間的相對距離，從而達 到調整該變壓器之漏電感值的目的，但是在需要較大漏電 感的情況下，勢必需要加大該初級側繞組64與次級側繞: 65間的距離，如此一來，該變壓器的整體外形也會隨著加 大’無法維持小型化的外形。 【新型内容】 有鑑於前述現有技術所存在的問題，本創作提供一種 M417638 變壓器，希藉此設計解決現有技術之變壓器結構成本高， 且外形會隨著調整漏電感值而變化的的缺點。 為了達到上述的創作目的，本創作所利用的技術手段 係使一變壓器包括： 二鐵芯，每一鐵芯上設有一中柱’該中柱周圍間隔環 設有複數個侧壁，該二鐵芯之中柱對應相接，且其中一鐵 芯之側壁亦分別與另一鐵芯之側壁對應相接； 一初級側繞組’其繞設於其中一鐵芯之中柱上；以及 I 一次級側繞組，其繞設於另一鐵芯之中柱上，該次級 側繞組具有一第一端與一第二端，該次級側繞組之第一端 與第二端分別由該次級側繞組之外周緣的不同角度位置拉 出’使該次級側繞組的繞線圈數呈非整數圈的型態。 上述初級側繞組具有一第一端與一第二端，該初級側 繞組之第一端與第二端亦可分別由該初級側繞組之外周緣 的不同角度位置拉出，使該初級側繞組的繞線圈數呈非整 數圈的型態。 | 上述二鐵芯上至少一組相對應之側壁的端部間可形成 * 有間隙。 上述變壓器可進一步包括至少一導磁片，該導磁片套 设於該鐵芯之中柱上，且位於該初級側繞組與次級侧繞組 之間。 上述鐵芯可具有二侧壁，該二側壁分別位於該中柱的 兩相對側。 上述鐵芯之中柱的周圍可間隔環設有四側壁。 上述初級側繞組可以單股線繞設而成，該次級側繞組 5 M417638 可以扁平銅片預先壓輾繞製而成後，再直接套設於相對應 之鐵芯的中柱上。 上述初級側繞組可先繞設於一線架上，再連同該線架 —起套設於該鐵芯之中柱上。 本創作的主要優點在於，可在不改變該變壓器之外形 肢積大小的狀態下，以數種方式達到調整其漏電感值的目 的’·首先，藉由其初級側繞組或次級側繞組之繞線圈數呈 非整數圈的設計，可降低該初級側繞組與次級側繞組的繞 線耗合率’進而提高該變壓器之漏電感值的目的，又配 合調整該初級側繞組或次級側繞組之端部間相對的角度位 置’可進一步調整所產生之漏電感的值；此外，藉由選用 具高導磁率或低導磁率之導磁片，或者以增減該導磁片之 數量的方式’也可調整該初級侧繞組與次級側繞組之間的 繞線福合率，以調整該變壓器之漏電感值；再者，藉由調 整該二鐵芯上至少一組相對應之側壁的端部間間隙大小的 方式’同樣可達到調整該變壓器之漏電感值的目的。 本創作的次要優點在於，該變壓器在組裝時可選擇先 繞設出該初級側繞組及次級侧繞組後，再單獨套設於該鐵 怒之中柱上’以省卻要在每一變壓器令設置二線架所需耗 費的成本。 【實施方式】 以下配合圖式及本創作之較佳實施例，進一步闡述本 創作為達成預定創作目的所採取的技街手段。 參見圖1及2所示，本創作之變壓器包括二鐵芯1 〇、 一初級側繞組20、_次級側繞組3〇及至少一導磁片4〇， M417638 其中： 該二鐵芯1〇相互對接，每一鐵芯上設有一中柱 5亥中柱1 1周圍間隔環設有複數個側壁1 2 ,該十柱1 1與側 壁1 2之間形成有-環槽1 3，X ’每兩相鄰之側壁1 2之間 形成有一出線部14，較佳地，該鐵芯1 〇在對應各出線部 14處的側邊内凹形成為凹槽狀，組裝時，該二鐵芯彳〇之中 、柱11對應相接’且其令一鐵芯1 〇之側壁1 2分別與另一鐵 这1 0之側壁1 2對應相接； • 初級側繞組20繞設於其中一鐵芯1 〇之中柱11上，且 設置於該鐵怒1 〇之環槽1 3中，該初级側繞組2〇具有—第 一端21與一第二端22，配合參見圖3所示，該初級側繞組 20之第一端21與第二端22可分別由該鐵芯1 〇上位於不 同角度位置處的出線部1 4拉出，使該初級側繞組2〇的繞 線圈數呈非整數圈的型態； 次級側繞組30繞設於另一鐵芯1 0之中柱1 1上，且設 置於該鐵芯10之環槽1 3中，該次級侧繞組30具有一第一 籲 端31與一第二端32，該次級側繞組30之第一端31與第 • 二端32亦可分別由該鐵芯1 0上位於不同角度位置處的出 線部14拉出，使該次級側繞組3〇的繞線圈數呈非整數圈 的型態，其中，當對該初級側繞組20輸入一電流時，會於 該二鐵芯1 0之中柱1 1與側壁12中形成磁迴路，並因電磁 感應而於該次級側繞組30中產生一輸出電流； 在本創作之具體實施例中，該初級側繞組20是以單股 線繞設而成，該次級側繞組30是以扁平銅片預先壓輾繞製 而成後，再直接套設於相對應之鐵芯10的中柱11上，此 7 M417638 外’該次級側繞組3〇亦可以多股線進行繞設，俾使該次級 側繞組30可傳送較大的電流量，其中，該以單股線繞設的 初級側繞組20與以多股線繞設的次級側繞組除了可先繞設 於一線架50上，再連同該線架5〇 一起套設於該鐵芯1 〇之 中柱1 1上之外，亦可事先在線架5〇上進行繞設，並以膠 黏方式固定外型之後，再由該線架5〇上取下，單獨套設在 該鐵芯1 0之中柱W上，以省卻要在每一變壓器中設置二 線架所需耗費的成本； 導磁片40套設於該鐵芯彳〇之中柱杓上，且位於該初 級側繞組2 0與次級側繞組3 〇之間。 藉由上述使該初級側繞組2〇或次級側繞組3〇之繞線 圈數呈非整數圈的設計，可降低該初級側繞組2〇與次級側 繞組30的繞線耦合率，從而達到提高該變壓器之漏電感值 的目的，其中，配合調整該初級側繞組2〇與次級側繞組3〇 之第一端21 ' 31與第二端22、32間相對的角度位置，還 可進一步調整所產生之漏電感的值； 參見圖3所示，在本創作之具體實施例中，該鐵芯1〇 具有二側壁12,該二侧壁12分別位於該中桎扪的兩相對 侧，相應地，該鐵芯1〇另兩相對側則形成有二出線部14， 該初級側繞組20與次級側繞組3〇之第一端21、31與第二 端22、32可分別由大約相對18〇度的位置延伸出該變壓器； 進一步參見圖4所示之本創作的另—具體實施例，其 中該鐵芯10A之中柱11A的周圍間隔環設有四側壁12八， 兩相鄰側壁12A之間形成有凹槽狀的出線部1 4a，是以， 該初級側繞組20與次級侧繞組之第一端21與第二端22便 M417638 器，對：〇度、180度或270的位置延伸出該變壓 ° 龙壓器之漏電感值的調整幅度更為精細。 此外，藉由選用具高導磁率或低導磁 或者以増減該導磁片40之數量的方“導磁片40 y^ 乃之數里的方式，也可用來調整該初 ’貝組20與次級側繞組3〇之間的繞線輕合率，從而達 到調整該變壓器之漏電感值的目的。6 3: the first wire frame 61 is used for winding a mold. As shown in the invention patents, referring to Figures 6 and 7, the first wire frame 62 and a core group 63: the 'primary side winding 64 and including a first a channel 3 M417638 61 1 ; the second wire frame 6 2 is used for winding the primary side winding 6 5 and includes a second channel 621 and a set of connecting portions 622, and the socket portion 622 of the second wire frame 62 has a The second passage 621 is connected to one of the accommodating spaces 623 for accommodating the primary side winding 64 wound around the first bobbin 61, so that the primary side winding 64 is isolated from the secondary side winding 65, and The first channel 61 1 of the first wire frame 61 is in communication with the second channel 621 of the second wire frame 62; the iron anger group 63 is disposed through the first channel 611 of the first wire frame 61 and the second line The second passage 621 of the frame 62. The primary side winding 64 is isolated from the secondary side winding 65 by the socket portion 623, and the distance between the primary side winding 64 and the secondary side winding 65 is increased, thereby reducing the primary side winding 64 and the secondary side winding. 65 coupling ratio and the purpose of increasing the leakage inductance of the transformer. However, the above-mentioned prior art transformer has a disadvantage in that since the primary side winding 64 and the secondary side winding 65 must be wound around the wire racks 6 and 62 to perform subsequent assembly work, the wire frame 61 is added. 6 $ part of the material and manufacturing cost; further, in terms of structure and principle, although the aforementioned patent can adjust the primary side winding 64 by moving the relative position of the first wire frame 61 and the second wire frame 62 The relative distance from the secondary side winding 65, thereby achieving the purpose of adjusting the leakage inductance value of the transformer, but in the case where a large leakage inductance is required, it is necessary to increase the primary side winding 64 and the secondary side winding: 65 The distance between the two, as a result, the overall shape of the transformer will increase with the 'incapable of maintaining a small size. [New content] In view of the problems of the prior art mentioned above, the present invention provides a M417638 transformer, which is designed to solve the shortcomings of the prior art transformer structure, and the shape will change with the adjustment of the leakage inductance value. In order to achieve the above-mentioned creative purposes, the technical means utilized in the present invention is to make a transformer comprising: two iron cores, each of which is provided with a center pillar; the spacer ring around the middle pillar is provided with a plurality of side walls, the two irons The middle pillars of the core are correspondingly connected, and the sidewalls of one of the iron cores are respectively connected to the sidewalls of the other iron core; a primary side winding 'which is wound around one of the cores; and 1 a side winding wound around a column in the other core, the secondary side winding having a first end and a second end, wherein the first end and the second end of the secondary side winding are respectively The different angular positions of the outer circumference of the side winding are pulled out to make the number of windings of the secondary side winding a non-integral number of turns. The primary side winding has a first end and a second end, and the first end and the second end of the primary side winding can also be respectively pulled out by different angular positions of the outer circumference of the primary side winding, so that the primary side winding The number of windings is a non-integral circle. | There is a gap between the ends of at least one of the corresponding side walls of the above two cores. The transformer may further include at least one magnetic conductive sheet sleeved on the column of the core and located between the primary side winding and the secondary side winding. The iron core may have two side walls, and the two side walls are respectively located on opposite sides of the center pillar. The circumference of the column of the iron core may be provided with four side walls. The primary side winding can be wound by a single strand, and the secondary side winding 5 M417638 can be pre-compressed and wound by a flat copper piece, and then directly sleeved on the center pillar of the corresponding iron core. The primary side winding may be first wound on a wire frame, and then mounted on the column of the iron core together with the wire frame. The main advantage of this creation is that the purpose of adjusting the leakage inductance value can be achieved in several ways without changing the size of the limbs outside the transformer. First, by its primary side winding or secondary side winding The design of the number of coils is a non-integral circle, which can reduce the winding consumption rate of the primary side winding and the secondary side winding, thereby improving the leakage inductance value of the transformer, and adjusting the primary side winding or the secondary side. The relative angular position between the ends of the windings can further adjust the value of the leakage inductance generated; in addition, by selecting a magnetic permeability sheet with a high magnetic permeability or a low magnetic permeability, or increasing or decreasing the number of the magnetic conductive sheets The mode 'can also adjust the winding convergence rate between the primary side winding and the secondary side winding to adjust the leakage inductance value of the transformer; furthermore, by adjusting at least one corresponding pair of sidewalls on the two cores The way of the size of the gap between the ends can also achieve the purpose of adjusting the leakage inductance value of the transformer. The secondary advantage of this creation is that the transformer can be assembled by first winding the primary side winding and the secondary side winding, and then separately arranging on the column of the iron anger to save the need for each transformer. The cost of setting up a two-wire rack. [Embodiment] The following is a description of the preferred embodiment of the present invention, and further illustrates the technical means by which the creation is intended to achieve the intended purpose of creation. Referring to Figures 1 and 2, the transformer of the present invention comprises a two-iron core 1 〇, a primary side winding 20, a secondary side winding 3〇, and at least one magnetic conductive sheet 4〇, M417638 wherein: the two cores 1〇 Docking each other, each core is provided with a center pillar 5, the middle pillar 1 1 is provided with a plurality of side walls 1 2 around the spacer ring, and a ring groove 13 is formed between the ten pillars 1 1 and the side wall 1 2, X ' An outlet portion 14 is formed between each of the two adjacent sidewalls 12. Preferably, the core 1 is concavely formed in a groove shape at a side corresponding to each of the outlet portions 14. When assembled, the two In the core rim, the column 11 corresponds to the connection ′ and the side wall 1 2 of one iron core 1 对应 is respectively connected with the side wall 1 2 of the other iron 10; • The primary side winding 20 is wound around An iron core 1 is disposed on the column 11 and disposed in the ring groove 13 of the iron anger, the primary side winding 2 has a first end 21 and a second end 22, as shown in FIG. It is shown that the first end 21 and the second end 22 of the primary side winding 20 can be respectively pulled out from the outlet portion 14 at the different angular positions of the core 1 to make the winding of the primary winding 2〇 Number presentation a non-integral ring type; the secondary side winding 30 is wound around the column 11 of the other core 10, and is disposed in the ring groove 13 of the core 10, the secondary side winding 30 has a The first end 31 and the second end 32, the first end 31 and the second end 32 of the secondary side winding 30 are also respectively pulled by the outlet portion 14 at the different angular positions on the core 10 The number of windings of the secondary side winding 3〇 is a non-integral number of turns, wherein when a current is input to the primary side winding 20, the column 1 1 is between the two cores 10 A magnetic circuit is formed in the sidewall 12, and an output current is generated in the secondary side winding 30 due to electromagnetic induction. In a specific embodiment of the present invention, the primary side winding 20 is formed by a single strand. The secondary side winding 30 is pre-compressed and wound by a flat copper piece, and then directly sleeved on the center pillar 11 of the corresponding iron core 10, and the 7 M417638 outer side of the secondary side winding 3 can also be The plurality of wires are wound so that the secondary side winding 30 can transmit a large amount of current, wherein the primary side winding 20 wound by a single strand is wound with a plurality of wires The secondary side winding may be disposed on the wire frame 50 first, and then placed on the column 1 1 of the iron core 1 together with the wire frame 5〇, or may be placed on the wire frame 5 in advance. After the winding is fixed and the outer shape is fixed by adhesive, the wire frame 5 is removed from the wire frame, and is separately sleeved on the column W of the iron core 10 to eliminate the need to set two in each transformer. The cost of the wire rack is required; the magnetic conductive sheet 40 is sleeved on the column of the core core and is located between the primary side winding 20 and the secondary side winding 3 。. By designing the number of windings of the primary side winding 2 〇 or the secondary side winding 3 呈 to be a non-integral circle as described above, the winding coupling ratio of the primary side winding 2 〇 and the secondary side winding 30 can be reduced, thereby achieving The purpose of increasing the leakage inductance value of the transformer, wherein the relative angular position between the first end 21' 31 and the second end 22, 32 of the primary side winding 2 〇 and the secondary side winding 3 配合 is adjusted, and further Adjusting the value of the leakage inductance generated; as shown in FIG. 3, in the specific embodiment of the present invention, the core 1 has two side walls 12, and the two side walls 12 are respectively located on opposite sides of the middle, Correspondingly, the other two opposite sides of the core 1 are formed with two outlet portions 14, and the first ends 21, 31 and the second ends 22, 32 of the primary side winding 20 and the secondary side winding 3 can be respectively The transformer extends approximately 18 degrees apart; further referring to the other embodiment of the present invention shown in FIG. 4, wherein the surrounding ring of the column 11A of the core 10A is provided with four side walls 12 and eight, two phases A groove-shaped outlet portion 14a is formed between the adjacent side walls 12A, and the primary side is The first end 21 and the second end 22 of the group 20 and the secondary side windings are M417638, and the adjustment of the leakage inductance value of the transformer is extended to the position of the twist, 180 degrees or 270. fine. In addition, by selecting a high magnetic permeability or a low magnetic permeability or by reducing the number of the magnetic conductive sheets 40, the magnetic conductive sheet 40 y^ can also be used to adjust the initial 'beauty group 20 and The winding speed between the secondary side windings 3〇 is light, so as to adjust the leakage inductance value of the transformer.
再者，參見圖5所示之本創作的再_具體實施例，其 中错由調整該二似、應、搬上至少—組相對應之侧壁 12B、12B·的端部間間隙15B大小的方式，例如使該鐵怒 置之其卜側壁12B•短於其他侧壁12B，則在將該鐵芯 10B與另一鐵芯1〇B相對組裝之後，便可在該較短之側壁 12Β·的端部處形成所需的間隙15B，而藉由調整該間隙15B 的大小，同樣可達到調整該變壓器之漏電感值的目的。 【圖式簡單說明】 圖1為本創作之立體外觀圖。 圖2為本創作之立體分解圖。 圖3為本創作之上視圖。 圖4為本創作另一實施例之上視圖。 圖5為本創作再一實施例之側視圖。 圖6為現有技術之立體分解圖。 圖7為現有技術之側視部分元件剖面圖。 【主要元件符號說明】 10、10A、10B、10B'鐵芯 、11A 中柱 12、12A、12B、12B，側壁 9 13環槽 15B間隙 21第一端 30次級側繞組 32第二端 50線架 61 1第一通道 621第二通道 623容置空間 64初級側繞線 14、14A出線部 20初級側繞組 22第二端 31第一端 40導磁片 61第一線架 62第二線架 622套接部 63鐵芯組 65次級側繞組 10Furthermore, referring to the re-embodiment of the present invention shown in FIG. 5, the error is adjusted by adjusting the size of the inter-terminal gap 15B of at least the corresponding side walls 12B, 12B· In a manner, for example, the side wall 12B of the iron anger is shorter than the other side wall 12B, after the core 10B is assembled opposite to the other core 1B, the shorter side wall 12 can be The desired gap 15B is formed at the end, and by adjusting the size of the gap 15B, the purpose of adjusting the leakage inductance value of the transformer can also be achieved. [Simple description of the drawing] Figure 1 is a three-dimensional appearance of the creation. Figure 2 is an exploded perspective view of the creation. Figure 3 is a top view of the creation. Figure 4 is a top view of another embodiment of the present invention. Figure 5 is a side elevational view of still another embodiment of the present invention. Figure 6 is a perspective exploded view of the prior art. Figure 7 is a cross-sectional view of a side view portion of the prior art. [Main component symbol description] 10, 10A, 10B, 10B' iron core, 11A middle column 12, 12A, 12B, 12B, side wall 9 13 ring groove 15B gap 21 first end 30 secondary side winding 32 second end 50 line Rack 61 1 first channel 621 second channel 623 accommodating space 64 primary side winding 14, 14A outlet portion 20 primary side winding 22 second end 31 first end 40 magnetic sheet 61 first wire frame 62 second line Rack 622 sleeve portion 63 core group 65 secondary side winding 10