M349587 八、新型說明： 【新型所屬之技術領域】 本創作涉及一種濾波電路及具有該濾波電路之電連接器，特別 是涉及一種應用於網路的濾波電路與應用於網路並具有該濾波電 路的電連接器。 【先前技術】 隨著通#技術的不斷發展，資料傳輸速度不斷提高，同時對電 連接器綜合電氣性能提出更嚴格要求。M349587 VIII. New description: [New technical field] The present invention relates to a filter circuit and an electrical connector having the same, and particularly to a filter circuit applied to a network and applied to a network and having the filter circuit Electrical connector. [Prior Art] With the continuous development of the technology, the data transmission speed is continuously improved, and at the same time, stricter requirements are imposed on the comprehensive electrical performance of the electrical connector.
與本案相關之專利資料請參閱2003年4月u日公告的臺灣專 利公告第528221號，該專利揭示了一種應用於1〇/1〇〇/i〇〇〇Base_T 網路之電連接$，該連接器包括座體、包覆座體之 内之電氣裝置，嶋㈣括―嫌蝴⑽轉板二= 滤波模組。該電連接ϋ應用於1G胸Base_T網路時，滤波模組包 括兩個隔離Μ器、兩個共模扼流圈及一個自執變壓器，該等電感 性兀器件分別包括-個磁芯及纏繞於磁芯之線圈。該連接器應用於 1000 Base-T網路時，遽波模組包括四個隔離變壓器與四個共模扼 流圈m電感元器件分職括—個料及纏繞於磁芯 圈。 S灣專利公告第528221號專利所揭示之慮波模組及使 用該濾波模組之電連接3!雲晷 要㈣大1電感性元器件，佔用連接 内大i空間，並且該等元哭件均 ° 丄…丄 m仵句而要刀開手工繞制，使得產品材料 成本與生產成本較高。 為克服以上問題，有必要提供— 、種體積小、成本低廉、生產方 便之濾波電路及應用該濾波電路之電連接器。 7 M349587 第一隔離變壓器1U包括初級線圈113與次級線圈115，該初級線 圈113具有兩連接端113a、113b與一中間抽頭113c，次級線圈115 具有兩個連接端U5a、115b與一中間抽頭U5c，次級線圈115之 兩個連接端115a、115b連接至線繞端102，次級線圈i丨5之中間抽 • 頭115c與一 75歐姆的電阻B及一電容串聯15後接地。第一共模 • 扼流圈1丨2包括兩線圈U2a、112b，該兩線圈U2a、n2b之一側 連接至電路板端101，另一側連接至第一隔離變壓器ui初級線圈 # U3之兩個連接端113a、113b。第一變壓器111初級線圈113的中 間抽頭113c與四個並聯的電容14串聯后接地。電路板端。 第二通道12包括第二隔離變壓器121與第二個共模扼流圈 122。第二隔離變壓器121包括初級線圈123與次級線圈，該 初級線圈123具有兩連接端123a、l23b與一中間柚頭123c，次級 . 線圈I25具有兩個連接端125a 125b與一中間抽頭125c，次級線圈 125之兩個連接端125a、125b連接至線纜端ι〇2，次級線圈125之 中間抽頭125c與一 75歐姆電阻13及電容15串聯後接地。第二共 • 模扼流圈122僅包括兩線圈122a、122b，該兩線圈122a、⑽之 、側連接至電路板端1(H，另一側連接至第二隔離變壓器m初級 線圈123之兩個連接端123a、123b，初級線圈123之中間抽頭12爻 則連接至第一隔離變壓器⑴初級線圈113之中間抽頭113c。第一 通道π之共模扼流圈112與第二共模扼流圈122纏繞至同一個磁 芯上。 濾波電路濾波電路介面電心介面電路！介面電路1第三通道 1及第四通道22與濾波電路1之第二通道12相同。第三通道21 隔離變壓器211第一綠士 — 第一線圈213之中間抽頭213c連接至第一隔離變 9 M349587 壓器111初級線圈113之中間抽頭113c ’第四通道22隔離變壓器 221第一線圈223之中間抽頭223c也連接至第一隔離變壓器jn 初級線圈113之中間抽頭113c。第三通道21與第四通道22之共模 扼流圈212、222與第一共模扼流圈112與第二共模扼流圈122纏 繞至同一磁怒。 請參閱第二圖，為第一圖所示濾波電路丨之電性測試圖，該圖 中主要示意該濾' 波電路1應用於不同阻抗負載時之返回損耗 (Return Loss)。圖中橫轴座標為頻率值，範圍為〇至1〇〇兆赫茲 (MHz)，縱軸座標為濾波電路}所測得之返回損耗，範圍為〇〜35 分貝（dB)。圖中Ls為1000 Base-T業界標準值，u為濾波電路j 之線纜端102連接100歐姆負載時之返回損耗，L2為濾波電路1 線纜端102連接85歐姆負載時之返回損耗，L3為濾波電路i線纜 端102連接115歐姆負載時之返回損耗，從圖中可以看出，U、L2、 L3均在標準值Ls以上，亦即濾波電路i在承接85〜ιΐ5歐姆範圍 内之負載均能滿足業界要求。 凊一併參第三圖至第五圖，為應用於網路並具有以上濾波電路 1之電連接器3，該電連接器3為網路電連接器（M〇dular Jack)與 US隹疊連接器，其包括一個前遮蔽殼體4、一個後遮蔽殼體5、 個絕緣主體6、兩個USB端子組7、兩個LED指示裝置8與一 個端子模組9。 絕緣主體6包括一個網路介面6卜兩個USB介面62以及位於 上％兩側之兩個LED指示裝置8之收容空間63。兩個USB端子組 7分別女裝至兩個usb介面62處，兩個LED指示裝置8分別安裝 至收容空間63 ’端子模組9安裝至絕緣主體6之後部，並有對接 M349587 端子91延伸至網路介面61。前遮蔽殼體4與後遮蔽殼體5分別安 裝至絕緣主體6上，並相互扣合從而將絕緣主體6完全遮蔽以防止 外部干擾源對絕緣主體内傳輸線路造成影響。 請一併參閱第六圖與第七圖，端子模組9包括對接端子91、 電路板92、焊接於電路板92上之磁珠型磁性元件93、端子座94 及固定於端子座94上之引腳端子95。其中，電路板92與磁性元 件93 —起構成一濾波模組，即以上應用於1000 Base-T網路之濾波 電路1。磁性元件93包括第一磁芯931、第二磁芯932、第三磁芯 933、第四磁芯934與第五磁芯935，該等磁芯上分別纏繞有第一 組線圈936、第二組線圈937、第三組線圈938、第四組線圈939。 第一磁芯931與第一組線圈936對應於濾波電路1中間的第一隔離 變壓器111，第二磁芯932與第二組線圈937對應於第二隔離變壓 器121，第三磁芯932與第三組線圈938對應於第三隔離變壓器 21卜第四磁芯934與第四組線圈939對應於第四隔離變壓器221。 第五磁芯935為一柱狀磁芯並該磁芯具有兩個通孔，第一組至第四 組線圈936〜939之一部分共同纏繞至該第五磁芯935之通孔以形成 濾波電路1中之共模扼流圈112、122、212、222。電路板之一面 上焊接有五個電容96，該等電容96分別對應於濾波電路1之電容 14、15。電路板92之兩面上分別設有若干焊接腳921、922，第一 組線圈936至第四組線圈939分別焊接至焊接腳921上。 對接端子91包括對接部911與焊接部912，對接部911在端 子模組9安裝至絕緣主體3後延伸至網路介面61内，焊接部912 則焊接至電路板92的焊接腳922上，從而使得對接端子91與1 之線纜端102相連。 11 M349587 引腳端子95固定於端子座94上，其中引腳端子95之一端延 伸穿過電路板92下部設置之通孔（未標號）並焊接，引腳端子95之 另一端則延伸至端子座94下方以將電連接器3與一安裝電路板（未 圖示）電性連接。引腳端子95包括十個第一引腳端子951與四個第 二引腳端子952。第一引腳端子951分別對應連接至濾波電路1之 電路板端101。 兩個LED指示裝置之引腳（未標示）亦穿過並焊接至電路板92 上端開設之通孔（未標號），並借助於電路板92上之導電路徑與焊接 至電路板之第二引腳端子連接至一安裝電路板（未圖示）。 電連接器3之濾波模組93總共使用五個磁芯，相對於傳統之 電連接器使用八個磁芯大量減少磁芯之使用量也減小了濾波電路1 之體積，同時鑒於目前磁珠型電感元件多採用手工繞制，本實用新 型介面電路1僅需進行五次繞線即可，相對於八個磁芯分別繞線可 以大大減少手工繞制的工作量，從而可以提升生產效率、降低生產 成本。 綜上所述，本創作確已符合新型專利之要件，爰依法提出專利 申請。惟，以上所述者僅係本新型之較佳實施方式，本新型之範圍 並不以上述實施方式爲限，舉凡熟習本案技藝之人士援依本新型之 精神所作之等效修飾或變化，皆應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 第一圖係本創作濾波電路之線路圖； 濾波電路第二圖係第一圖所示濾波電路之電性測試圖； 第三圖係本創作電連接器之立體圖； 第四圖係第三圖所示電連接器之立體分解圖； 12 M349587 第五圖係第三圖所示電連接器之另一角度立體分解圖； 第六圖係第三圖所示電連接器之端子模組之立體分解圖； 第七圖係第三圖所示電連接器之端子模組之另一角度立體分 解圖。For the patent information related to this case, please refer to Taiwan Patent Publication No. 528221 published on April 5, 2003, which discloses an electrical connection $ applied to a 1〇/1〇〇/i〇〇〇Base_T network. The connector comprises a seat body and an electrical device covering the seat body, and the 嶋 (4) includes a suspicion butterfly (10) transfer plate 2 = a filter module. When the electrical connection is applied to the 1G chest Base_T network, the filter module comprises two isolation clamps, two common mode chokes and a self-supporting transformer, and the inductive germanium devices respectively comprise a magnetic core and a winding The coil of the core. When the connector is applied to a 1000 Base-T network, the chopper module consists of four isolation transformers and four common-mode chokes. The m-inductor component is divided into a material and wound around the core. The wave-proof module disclosed in the S Bay Patent Publication No. 528221 and the electrical connection using the filter module 3! The cloud (4) large 1 inductive component occupies a large i-space in the connection, and the element is crying Both are °...丄m仵 and the knife is hand-wound, which makes the material cost and production cost of the product higher. In order to overcome the above problems, it is necessary to provide a filter circuit which is small in size, low in cost, easy to manufacture, and an electrical connector to which the filter circuit is applied. 7 M349587 The first isolation transformer 1U includes a primary coil 113 having two terminals 113a, 113b and a center tap 113c, and a secondary tap 115 having two terminals U5a, 115b and a center tap U5c, the two connecting ends 115a, 115b of the secondary coil 115 are connected to the wire winding end 102, and the intermediate pumping head 115c of the secondary coil i丨5 is grounded in series with a 75 ohm resistor B and a capacitor. The first common mode • choke 1丨2 includes two coils U2a, 112b, one side of which is connected to the circuit board end 101 and the other side is connected to the first isolation transformer ui primary coil # U3 Connection ends 113a, 113b. The intermediate tap 113c of the primary winding 113 of the first transformer 111 is connected in series with four parallel capacitors 14 and grounded. Board end. The second passage 12 includes a second isolation transformer 121 and a second common mode choke coil 122. The second isolation transformer 121 includes a primary coil 123 and a secondary coil. The primary coil 123 has two connection ends 123a, 132b and a middle grape head 123c. The secondary coil I25 has two connection ends 125a 125b and a middle tap 125c. The two connection ends 125a, 125b of the secondary coil 125 are connected to the cable end ι 2, and the center tap 125c of the secondary coil 125 is connected in series with a 75 ohm resistor 13 and the capacitor 15 and grounded. The second common mode choke 122 includes only two coils 122a, 122b. The sides of the two coils 122a, (10) are connected to the circuit board end 1 (H, and the other side is connected to the second isolation transformer m primary coil 123 The connecting ends 123a, 123b, the middle tap 12 of the primary coil 123 are connected to the middle tap 113c of the primary winding 113 of the first isolation transformer (1). The common mode choke 112 of the first channel π and the second common mode choke 122 is wound onto the same core. Filter circuit filter circuit interface core interface circuit! Interface circuit 1 third channel 1 and fourth channel 22 are the same as second channel 12 of filter circuit 1. Third channel 21 isolation transformer 211 a green stalk - the middle tap 213c of the first coil 213 is connected to the first isolation switch 9 M349587 The intermediate tap 113c of the primary coil 113 of the presser 111 'the fourth channel 22 isolating the transformer 221 The middle tap 223c of the first coil 223 is also connected to the An intermediate tap 113c of the isolation transformer jn primary coil 113. The common mode chokes 212, 222 of the third and second channels 21 and 22 are wound with the first common mode choke 112 and the second common mode choke coil 122 The same magnetic anger. Please refer to Referring to the second figure, it is the electrical test chart of the filter circuit shown in the first figure. The figure mainly shows the return loss (Return Loss) when the filter 'wave circuit 1 is applied to different impedance loads. For the frequency value, the range is 〇 to 1〇〇 megahertz (MHz), and the vertical axis coordinates are the return loss measured by the filter circuit}, the range is 〇~35 decibels (dB). In the figure, Ls is 1000 Base-T industry. The standard value, u is the return loss when the cable end 102 of the filter circuit j is connected to the 100 ohm load, L2 is the return loss when the cable end 102 of the filter circuit 1 is connected to the 85 ohm load, and L3 is the filter circuit i. The return loss at 115 ohm load can be seen from the figure. U, L2 and L3 are all above the standard value Ls, that is, the load of the filter circuit i in the range of 85~ιΐ5 ohm can meet the requirements of the industry. Referring to the third to fifth figures, the electrical connector 3 is applied to the network and has the above filter circuit 1. The electrical connector 3 is a network electrical connector (M〇dular Jack) and a US folded connector. , comprising a front shielding shell 4, a rear shielding shell 5, and an insulating main 6. Two USB terminal sets 7, two LED indicating devices 8 and one terminal module 9. The insulating body 6 comprises a network interface 6 and two USB interfaces 62 and two LED indicating devices 8 on the upper % sides. The accommodating space 63. The two USB terminal sets 7 are respectively connected to the two usb interfaces 62, and the two LED indicating devices 8 are respectively mounted to the accommodating space 63'. The terminal module 9 is mounted to the rear of the insulating body 6, and is docked. The M349587 terminal 91 extends to the network interface 61. The front shield case 4 and the rear shield case 5 are respectively mounted to the insulating body 6 and are fastened to each other to completely shield the insulating body 6 from external interference sources from affecting the transmission line in the insulating body. Referring to FIG. 6 and FIG. 7 together, the terminal module 9 includes a mating terminal 91, a circuit board 92, a magnetic bead type magnetic component 93 soldered on the circuit board 92, a terminal block 94, and a terminal block 94. Pin terminal 95. The circuit board 92 and the magnetic component 93 together form a filter module, that is, the filter circuit 1 applied to the 1000 Base-T network. The magnetic element 93 includes a first magnetic core 931, a second magnetic core 932, a third magnetic core 933, a fourth magnetic core 934 and a fifth magnetic core 935. The magnetic cores are respectively wound with a first set of coils 936 and a second A set of coils 937, a third set of coils 938, and a fourth set of coils 939. The first core 931 and the first group of coils 936 correspond to the first isolation transformer 111 in the middle of the filter circuit 1, the second core 932 and the second group of coils 937 correspond to the second isolation transformer 121, the third core 932 and the The three sets of coils 938 correspond to the third isolation transformer 21, the fourth core 934 and the fourth set of coils 939 correspond to the fourth isolation transformer 221. The fifth core 935 is a columnar core and the core has two through holes, and one of the first to fourth sets of coils 936 939 939 is wound together to the through hole of the fifth core 935 to form a filter circuit. The common mode chokes 112, 122, 212, 222 of 1. Five capacitors 96 are soldered to one side of the board, and the capacitors 96 correspond to the capacitors 14, 15 of the filter circuit 1, respectively. A plurality of soldering legs 921, 922 are respectively disposed on both sides of the circuit board 92, and the first group of coils 936 to the fourth group of coils 939 are respectively soldered to the soldering legs 921. The mating terminal 91 includes an abutting portion 911 and a soldering portion 912. The mating portion 911 extends into the network interface 61 after the terminal module 9 is mounted to the insulating body 3, and the soldering portion 912 is soldered to the soldering leg 922 of the circuit board 92. The mating terminals 91 are connected to the cable ends 102 of the ones. 11 M349587 pin terminal 95 is fixed on the terminal block 94, wherein one end of the pin terminal 95 extends through a through hole (not labeled) disposed at a lower portion of the circuit board 92 and is soldered, and the other end of the pin terminal 95 extends to the terminal block. Below the 94, the electrical connector 3 is electrically connected to a mounting circuit board (not shown). The pin terminal 95 includes ten first pin terminals 951 and four second pin terminals 952. The first pin terminals 951 are respectively connected to the circuit board terminals 101 of the filter circuit 1. The pins (not labeled) of the two LED indicating devices are also passed through and soldered to the through holes (not labeled) provided at the upper end of the circuit board 92, and by means of the conductive path on the circuit board 92 and the second lead soldered to the circuit board. The foot terminals are connected to a mounting circuit board (not shown). The filter module 93 of the electrical connector 3 uses a total of five magnetic cores, and the use of eight magnetic cores in comparison with a conventional electrical connector greatly reduces the amount of core used and also reduces the volume of the filter circuit 1 while The type of inductor component is mostly wound by hand. The interface circuit 1 of the present invention only needs to be wound five times. The winding of the core relative to the eight cores can greatly reduce the workload of manual winding, thereby improving production efficiency. reduce manufacturing cost. In summary, this creation has indeed met the requirements of the new patent, and has filed a patent application in accordance with the law. However, the above-mentioned ones are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. It should be covered by the following patent application. [Simple diagram of the diagram] The first diagram is the circuit diagram of the filter circuit; the second diagram of the filter circuit is the electrical test diagram of the filter circuit shown in the first figure; the third diagram is the perspective view of the original electrical connector; Figure 4 is an exploded perspective view of the electrical connector shown in Figure 3; 12 M349587 Figure 5 is another perspective exploded view of the electrical connector shown in Figure 3; Figure 6 is the electrical connector shown in Figure 3. The three-dimensional exploded view of the terminal module; the seventh figure is another perspective exploded view of the terminal module of the electrical connector shown in the third figure.
【主要元件符號說明】 濾波電路 1 電路板端 101 線纜端 102 第一通道 11 第二通道 12 第一隔離變壓器 111 初級線圈 113 次級線圈 115 連接端 113a、113b、115a 115b 中間抽頭 113c > 115c 第一共模扼流圈 112 外側線圈 112a ' 112b 電阻 13 電容 14、15 第二通道 12 第二隔離變壓器 121 弟二個共核扼流圈 122 初級線圈 123 次級線圈 125 連接端 123a、123b、1 25a 125b 一中間抽頭 123c ' 125c 第三通道 21 第四通道 22 隔離變壓器 211 ' 221 第一線圈 213、223 中間抽頭 213c ' 223c 共模扼流圈 212、222 回波損耗 Ls > LI ' L2 ' L3 電連接器 3 前遮蔽殼體 4 後遮蔽殼體 5 13 M349587 絕緣主體 6 USB介面 62 USB端子組 7 端子模組 9 - 電路板 92 .端子座 94 - 第一磁芯 931 - 第三磁芯 933 ®第五磁芯 935 第一組線圈 936 第三組線圈 938 網路介面 61 收容空間 63 LED指示裝置 8 對接端子 91 磁性元件 93 引腳端子 95 第二磁芯 932 第四磁芯 934 第二組線圈 937 第四組線圈 939[Main component symbol description] Filter circuit 1 Circuit board end 101 Cable end 102 First channel 11 Second channel 12 First isolation transformer 111 Primary coil 113 Secondary coil 115 Connection ends 113a, 113b, 115a 115b Intermediate tap 113c > 115c first common mode choke 112 outer coil 112a '112b resistor 13 capacitor 14, 15 second channel 12 second isolation transformer 121 two core chokes 122 primary coil 123 secondary coil 125 connection ends 123a, 123b 1 25a 125b a center tap 123c ' 125c third channel 21 fourth channel 22 isolation transformer 211 '221 first coil 213, 223 center tap 213c ' 223c common mode choke 212, 222 return loss Ls > LI ' L2 ' L3 Electrical Connector 3 Front Shading Housing 4 Rear Shading Housing 5 13 M349587 Insulating Body 6 USB Interface 62 USB Terminal Group 7 Terminal Module 9 - Circuit Board 92. Terminal Block 94 - First Core 931 - Third Core 933 ® fifth core 935 first set of coils 936 third set of coils 938 network interface 61 accommodating space 63 LED indicating device 8 docking terminal 9 1 Magnetic component 93 Pin terminal 95 Second core 932 Fourth core 934 Second coil 937 Fourth coil 939
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