TW201310903A - A filter circuit and a electrical connector including the filter circuit - Google Patents
A filter circuit and a electrical connector including the filter circuit Download PDFInfo
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- TW201310903A TW201310903A TW100131039A TW100131039A TW201310903A TW 201310903 A TW201310903 A TW 201310903A TW 100131039 A TW100131039 A TW 100131039A TW 100131039 A TW100131039 A TW 100131039A TW 201310903 A TW201310903 A TW 201310903A
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Abstract
Description
本創作涉及一種濾波電路以及運用此濾波電路的電連接器,尤其涉及濾波電路的組成元件。The present invention relates to a filter circuit and an electrical connector using the same, and more particularly to a component of the filter circuit.
先前技術請參閱2006年10月17日公告的美國第7,123,117號專利。該專利揭示了一種電連接器的濾波電路,其包括一共模抑制器與一變壓器,該變壓器的中心抽頭電性連接至電阻與電容後接地。在網絡電連接器(RJ 45)的濾波電路中,變壓器的中心抽頭連接電阻與電容構成的BOB-SMITH電路係慣用技術手段。然,電阻與電容的存在增加了網絡電連接器(RJ45)的成本。隨著技術發展,需要降低網絡連接器(RJ45)的成本。For prior art, please refer to US Patent No. 7,123,117, published on October 17, 2006. The patent discloses a filter circuit for an electrical connector comprising a common mode suppressor and a transformer, the center tap of the transformer being electrically connected to the resistor and the capacitor and grounded. In the filter circuit of the network electrical connector (RJ 45), the BOB-SMITH circuit composed of the center tap of the transformer and the resistor and the capacitor is a conventional technique. However, the presence of resistors and capacitors increases the cost of the network electrical connector (RJ45). As technology evolves, the cost of the network connector (RJ45) needs to be reduced.
本創作所要解決的技術問題係:提供一種降低濾波電路生產成本的電連接器。The technical problem to be solved by this creation is to provide an electrical connector that reduces the production cost of the filter circuit.
為解決上述問題,本創作提供一種濾波電路,具有互為輸入端與輸出端的第一側與第二側,該第一側與第二側之間設有複數變壓器、以及與複數變壓器連接的共模抑制器,所述第一側與第二側之間不具有電阻器、電容器。In order to solve the above problems, the present invention provides a filter circuit having a first side and a second side which are mutually input and output ends, and a plurality of transformers are disposed between the first side and the second side, and a plurality of transformers are connected The mode suppressor has no resistors or capacitors between the first side and the second side.
相較於先前技術,本創作的濾波電路將慣用技術手段的電阻器與電容器省略,克服了技術偏見,且仍能達成原有濾波全部功能的基礎上達到成本降低的有益效果。Compared with the prior art, the filter circuit of the present invention omits the resistors and capacitors of the conventional technology, overcomes the technical bias, and can still achieve the beneficial effects of cost reduction on the basis of all the functions of the original filtering.
為解決上述問題,本創作提供一種電連接器,其包括一濾波電路,該濾波電路具有互為輸入端與輸出端的第一側與第二側,該第一側與第二側之間設有複數變壓器、以及與複數變壓器連接的共模抑制器,所述第一側與第二側之間不具有電阻器、電容器。In order to solve the above problems, the present invention provides an electrical connector including a filter circuit having first and second sides that are input and output ends, and between the first side and the second side. A complex transformer, and a common mode suppressor connected to the plurality of transformers, having no resistors or capacitors between the first side and the second side.
相較於先前技術,本創作的濾波電路將慣用技術手段的電阻器與電容器省略,克服了技術偏見,且仍能達成原有濾波全部功能的基礎上達到成本降低的有益效果。運用該濾波電路的電連接器,能達到成本降低的有益效果。Compared with the prior art, the filter circuit of the present invention omits the resistors and capacitors of the conventional technology, overcomes the technical bias, and can still achieve the beneficial effects of cost reduction on the basis of all the functions of the original filtering. By using the electrical connector of the filter circuit, the cost reduction effect can be achieved.
請參閱第一圖,揭示了一種符合本創作的濾波電路100,具有互為輸入端與輸出端的第一側10與第二側20。所述第一側10為線纜端(CABLE SIDE)與線纜組件連接,所述第二側20為物理端(PHY SIDE)與外部電路板連接。所述第一側10與第二側20之間設有複數變壓器30以及與複數變壓器30電性連接的共模抑制器40。Referring to the first figure, a filter circuit 100 conforming to the present invention is disclosed, having a first side 10 and a second side 20 which are mutually input and output. The first side 10 is connected to the cable assembly by a cable end (CABLE SIDE), and the second side 20 is connected to an external circuit board by a physical end (PHY SIDE). A plurality of transformers 30 and a common mode suppressor 40 electrically connected to the plurality of transformers 30 are disposed between the first side 10 and the second side 20 .
所述變壓器30包括相互耦合的第一線圈301及第二線圈302,該第一線圈301與設有兩第一外端3011、3012以及位於兩第一外端3011、3012之間的第一中心抽頭3013,該第二線圈302與設有兩第二外端3021、3022以及位於兩第二外端3021、3022之間的第二中心抽頭3023。所述第一線圈的第一外端3011、3012連接於第一側10。所述濾波電路100還設有一接地端50,該接地端50與第一中心抽頭3013之間不具有電容器。所述第一中心抽頭3013與接地端50設有一類似電容功能的分隔裝置60。所述第二中心抽頭3023直接連接於第二側20,該第二中心抽頭3023與第二側20之間不具有電容器。The transformer 30 includes a first coil 301 and a second coil 302 coupled to each other, the first coil 301 is provided with two first outer ends 3011, 3012 and a first center between the two first outer ends 3011, 3012 The tap 3013, the second coil 302 is provided with two second outer ends 3021, 3022 and a second center tap 3023 between the two second outer ends 3021, 3022. The first outer ends 3011, 3012 of the first coil are coupled to the first side 10. The filter circuit 100 is further provided with a ground terminal 50, and there is no capacitor between the ground terminal 50 and the first center tap 3013. The first center tap 3013 and the ground end 50 are provided with a capacitor-like separating device 60. The second center tap 3023 is directly connected to the second side 20, and there is no capacitor between the second center tap 3023 and the second side 20.
所述共模抑制器40包括第三線圈401與第四線圈402,該第三線圈401與第四線圈402的兩端部形成第一端43及第二端45,該第一端43連接於第二線圈的第二外端3021、3022,該第二端45連接於第二側20。The common mode suppressor 40 includes a third coil 401 and a fourth coil 402. The two ends of the third coil 401 and the fourth coil 402 form a first end 43 and a second end 45. The first end 43 is connected to the first end 43. The second outer ends 3021, 3022 of the second coil are connected to the second side 20.
請一併參閱第二圖至第三圖,所示電連接器200為應用前述濾波電路100的網絡電連接器。所述電連接器200包括一內部電路板(未標號)以及金屬遮罩殼體201,所述變壓器與共模抑制器安裝於內部電路板形成所述濾波電路100。所述內部電路板設有分開設置的第一導電片203以及第二導電片204。金屬遮罩殼體201設有倒鉤205,第二導電片204連接於倒鉤205後由遮罩殼體201下方的接地腳接地。所述第一導電片203與第二導電片204分隔一定距離形成第一圖所示的類似電容器功能的分隔裝置60。第一圖所示接地端50係由金屬遮罩殼體201的接地腳接地形成。Referring to the second to third figures, the electrical connector 200 is shown as a network electrical connector to which the aforementioned filter circuit 100 is applied. The electrical connector 200 includes an internal circuit board (not labeled) and a metal shield housing 201 that is mounted to an internal circuit board to form the filter circuit 100. The internal circuit board is provided with a first conductive sheet 203 and a second conductive sheet 204 which are separately disposed. The metal mask case 201 is provided with a barb 205. The second conductive piece 204 is connected to the barb 205 and grounded by a grounding leg below the mask case 201. The first conductive sheet 203 and the second conductive sheet 204 are separated by a certain distance to form a capacitor-like separating device 60 as shown in the first figure. The ground terminal 50 shown in the first figure is formed by grounding the grounding leg of the metal mask case 201.
習知慣用技術為變壓器30或者三線共模抑制器40的中心抽頭連接至電阻器與電容器後接地。本創作藉由省略掉電阻器與電容器後,在保證原有全部功能的基礎上達到成本降低的技術效果。另,本創作藉由電路板上的兩導電片相隔一定距離形成類似電容器的裝置,用於高壓放電。本創作克服了先前技術長期認為電阻器與電容器不可省略的技術偏見,達成了降低生成成本的有益效果。The conventional technique is that the center tap of the transformer 30 or the three-wire common mode suppressor 40 is connected to the resistor and the capacitor and grounded. By omitting the resistors and capacitors, this creation achieves the technical effect of cost reduction on the basis of ensuring all the original functions. In addition, the present invention forms a capacitor-like device by a distance between two conductive sheets on the circuit board for high voltage discharge. This creation overcomes the technical bias that the prior art has long believed that resistors and capacitors cannot be omitted, and achieves the beneficial effect of reducing the generation cost.
100...濾波電路100. . . Filter circuit
10...第一側10. . . First side
20...第二側20. . . Second side
30...變壓器30. . . transformer
301...第一線圈301. . . First coil
3011、3012...第一外端3011, 3012. . . First outer end
3013...第一中心抽頭3013. . . First center tap
302...第二線圈302. . . Second coil
3021、3022...第二外端3021, 3022. . . Second outer end
3023...第二中心抽頭3023. . . Second center tap
40...共模抑制器40. . . Common mode suppressor
401...第三線圈401. . . Third coil
402...第四線圈402. . . Fourth coil
43...第一端43. . . First end
45...第二端45. . . Second end
50...接地端50. . . Ground terminal
60...分隔裝置60. . . Separator
200...電連接器200. . . Electrical connector
201...遮罩殼體201. . . Mask housing
第一圖係符合本創作的一種濾波電路的電路圖。The first figure is a circuit diagram of a filter circuit in accordance with the present creation.
第二圖係包含有第一圖所示濾波電路的電連接器立體圖。The second figure is a perspective view of an electrical connector including the filter circuit shown in the first figure.
第三圖是第二圖所示電連接器的部分分解圖。The third figure is a partially exploded view of the electrical connector shown in the second figure.
10...第一側10. . . First side
100...濾波電路100. . . Filter circuit
20...第二側20. . . Second side
30...變壓器30. . . transformer
301...第一線圈301. . . First coil
3011、3012...第一外端3011, 3012. . . First outer end
3013...第一中心抽頭3013. . . First center tap
302...第二線圈302. . . Second coil
3021、3022...第二外端3021, 3022. . . Second outer end
3023...第二中心抽頭3023. . . Second center tap
40...共模抑制器40. . . Common mode suppressor
401...第三線圈401. . . Third coil
402...第四線圈402. . . Fourth coil
43...第一端43. . . First end
45...第二端45. . . Second end
50...接地端50. . . Ground terminal
60...分隔裝置60. . . Separator
Claims (10)
第一側與第二側,所述第一側與第二側互為輸入端與輸出端;
複數變壓器,該複數變壓器位於第一側與第二側之間;
複數共模抑制器,複數共模抑制器與該複數變壓器連接,且位於第一側與第二側之間;
其中所述第一側與第二側之間不具有電阻器、電容器。A filter circuit having:
a first side and a second side, wherein the first side and the second side are an input end and an output end;
a plurality of transformers, the complex transformer being located between the first side and the second side;
a complex common mode suppressor connected to the complex transformer and located between the first side and the second side;
There is no resistor or capacitor between the first side and the second side.
一濾波電路,具有:
第一側與第二側,所述第一側與第二側互為輸入端與輸出端;
複數變壓器,該複數變壓器位於第一側與第二側之間;
複數共模抑制器,複數共模抑制器與該複數變壓器連接,且位於第一側與第二側之間;
其中所述第一側與第二側之間不具有電阻器、電容器。An electrical connector comprising:
A filter circuit having:
a first side and a second side, wherein the first side and the second side are an input end and an output end;
a plurality of transformers, the complex transformer being located between the first side and the second side;
a complex common mode suppressor connected to the complex transformer and located between the first side and the second side;
There is no resistor or capacitor between the first side and the second side.
Priority Applications (1)
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TW100131039A TWI475804B (en) | 2011-08-30 | 2011-08-30 | A filter circuit and a electrical connector including the filter circuit |
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TW100131039A TWI475804B (en) | 2011-08-30 | 2011-08-30 | A filter circuit and a electrical connector including the filter circuit |
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TW201310903A true TW201310903A (en) | 2013-03-01 |
TWI475804B TWI475804B (en) | 2015-03-01 |
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TW100131039A TWI475804B (en) | 2011-08-30 | 2011-08-30 | A filter circuit and a electrical connector including the filter circuit |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9246464B2 (en) | 2013-04-11 | 2016-01-26 | Hon Hai Precision Industry Co., Ltd. | Magnetic interface circuit having a 3-wire common mode choke |
TWI574505B (en) * | 2013-05-09 | 2017-03-11 | 鴻海精密工業股份有限公司 | Filtering circuit and electrical connector |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI608670B (en) * | 2015-05-28 | 2017-12-11 | Shi Chang Qiu | Network connector |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201160176Y (en) * | 2008-01-17 | 2008-12-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector equipped with coil die set |
TWM366805U (en) * | 2009-04-03 | 2009-10-11 | Hon Hai Prec Ind Co Ltd | Electrical connector system |
CN101877448B (en) * | 2009-04-29 | 2012-11-28 | 富士康(昆山)电脑接插件有限公司 | Module connector |
CN201708396U (en) * | 2009-11-20 | 2011-01-12 | 富士康(昆山)电脑接插件有限公司 | Module element |
TWM408170U (en) * | 2010-12-08 | 2011-07-21 | Hon Hai Prec Ind Co Ltd | Electrical connector system |
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2011
- 2011-08-30 TW TW100131039A patent/TWI475804B/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9246464B2 (en) | 2013-04-11 | 2016-01-26 | Hon Hai Precision Industry Co., Ltd. | Magnetic interface circuit having a 3-wire common mode choke |
TWI574505B (en) * | 2013-05-09 | 2017-03-11 | 鴻海精密工業股份有限公司 | Filtering circuit and electrical connector |
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TWI475804B (en) | 2015-03-01 |
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