CN1158509A - 突波吸收电路结构 - Google Patents
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Abstract
一种突波吸收电路结构，是在连接器间的传输导线，以二极管相互并接的组合电路串接于各信号导线与接地线间，其中，各组电路的第一二极管负极端是衔接于第二二极管的正极端，而第三二极管的正极端则衔接第四二极管的负极端，并使各组的第二，三及第一、四二极管相互衔接后，分别串接于一避雷二极管的两端，当突波电压进入任一导线时，能经由该等二极管组合电路分散突波电压的能量，使每一导线的保护呈均等的突波吸收电路。
Description
本发明涉及一种突波吸收电路结构，特别是涉及一种以二极管之间相互并联组合，达到分散突波电压能量的突波吸收电路结构。
一般的电脑连接器在信号传输过程中，为防止外来的突波电压，而使电脑主机损害，大都以一种突破吸收器加附于各个信号导线与接地线间，使突波电压产生时，能由导线经该突波吸收器元件予以旁路消除，而通常该等突破吸收器的接线方式大都如图1所示：于各信号导线11、12、13、14衔接一突波吸收器元件20于地线15，该等方式虽可吸收、消除突波电压，但因须用基准电位为参考，通过地线释放能量，且该地线和信号地线接为同一电位，如此，当突波电压的能量过高时，该突破吸收器元件20极易遭破坏，因此并非理想的保护方式。
本发明的目的在于，提供一种突波吸收电路结构，当突波电压于进入任一导线时，能经由电路及避雷二极体予以分散能量，使每一导线呈均等的保护效果，并提高承受突波的寿命。
本发明的目的是由以下技术方案实现的。其具体结构是在连接器间的传输导线，用二极管相互并接的组合电路串接于各信号导线与接地线间，其中，各组电路的第一二极管负极端是衔接于第二二极管的正极端，而第三二极管的正极端则衔接于第四二极管的负极端，并使各组的第二、三及第一、四二极管在相互衔接后，分别衔接于一避雷二极体的两端，使突波电压在进入任一导线时，能经由该等二极管组合电路分散突波电压的能量，使每一导线呈均等保护，以改善习知突波吸收器元件易受大能量突波电压破坏的蔽端。
本发明还可改变避雷二极管功率值，或将同等的避雷二极体予以并联，以达到承受较大功率突波电压的效果。
采用本发明可达到如下优点：
1、本发明通过二极管的组合及避雷二极管，可分散突波电压的能量，改善习知突波吸收器均以接地线为释放的缺点。
2、由于能量的分散，可改善习知突波吸收器易受较大突波电压破坏的蔽端，达到每一信号导线保护均等的效果。
3、避雷二极管可视承受突波电压的大小，适当改变其功率值或并接，为习知的突波吸收器所不能及，且可提高承受突波的寿命。
本发明的具体结构由以下实施例及其附图详细给出。
图1是已有技术突波吸收器接线示意图。
图2是本发明的较佳实施例电路及接线示意图。
请参阅图2所示，本发明是在连接器的信号导线51、52、54、55及导线地线53、接地线56各并接一由二极管并联构成的组合电路30，其中，该等组合电路30中的第一二极管D1的负极端是衔接于第二二极管D2的正级端，而第三二极管D3的正极端则衔接于第四二极管D4的负极端，且各组的第二、三及第一、四二极管于相互衔接后，分别连接至一避雷二极管40的两端，如此，当突波电压由任一导线进入时，将可由二极管D1-D4及避雷二极管40达到分散突波电压能量的效果，依本实施例中，若有一5KV的突波电压电信号导线51进入，该突波电压即经由D2、避雷二极管40或经由D1、避雷二极管40予以传输，且该避雷二极管的规格若为18V，则立即导通，将突波电压的能量由导线地线53、接地线56及低电压的任一信号导线同时分散，使每一信号导线的保护效果呈均等的状态，且该避雷二极管可视承受功率的情况而改变其功率值，或以同等的避雷二极管予直接，充分改善习用突波吸收器无法承受较大功率突波电压及易受破坏的缺点。
Claims (2)
1、一种突波吸收电路结构，其特征在于：主要设有以二极管并接的多数组合电路，使该等电路分别跨接于连接器的信号导线间或信号导线与接地线或信号导线与接地线间，并使该等电路分别串接一避雷二极管；
该电路的第一二极管负极端是衔接于第三二极管的正极端，而第三二极管的正极端则衔接于第四二极管的负极端，并使各组的第一、二二极管及第三、四二极管的串接点跨接于导线，而第二、三及第一、四二极管则于相互衔接后，分别串接于避雷二极管的两端，使突波电压能经由该等二极管及避雷二极管的导通，而将能量分散于接地导线及接地线。
2、根据权利要求1所述的突波吸收电路结构，其特征在于：避雷二极管可视突波电压的大小，增加其承受功率值或予以并联。
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| Application Number | Priority Date | Filing Date | Title |
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| CN 96102523 CN1158509A (zh) | 1996-02-29 | 1996-02-29 | 突波吸收电路结构 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 96102523 CN1158509A (zh) | 1996-02-29 | 1996-02-29 | 突波吸收电路结构 |
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