Claims (2)
一種改良型升壓轉換器，電連接於一電源及一負載之間，使施加於該負載的電壓高於該電源供給的電壓，操作於連續導通模式，包含：一KY升壓電路，包括：一順向導通元件，具有一與該電源電連接的第一端，及一第二端；一輸出電感，具有一與該順向導通元件的第二端電連接的第一端，及一與該負載電連接的第二端；一中繼電容，電連接於該順向導通元件的第二端；及兩個電晶體元件，其中一第一電晶體元件具有一與該順向導通元件的第一端電連接的第一端，及一電連接該中繼電容的第二端；另一第二電晶體元件具有一與該第一電晶體元件的第二端電連接的第一端，及一接地的第二端；一輸入電容，具有一電性連接於該電源的第一端，及一電性連接於該第一電晶體元件之第一端的第二端；及一輸入電感，具有一電性連接於該電源的第一端，及一電性連接於該第一電晶體元件之第二端的第二端；當該第一電晶體元件導通且該第二電晶體元件不導通時，該順向導通元件截止，該輸入電感兩端跨壓為負值而為去磁狀態並對該輸入電容充電，且電流由該電源依序流經該第一電晶體元件、該中繼電容、該輸出電感及該負載，而對該輸出電感激磁，使流經該輸出電感的電流逐漸上升；當該第二電晶體元件導通且該第一電晶體元件不導
通時，該順向導通元件被導通，該電源的能量經由該輸入電容對該中繼電容充電，該輸入電感為激磁狀態，且該輸出電感處於去磁狀態使電流由該電源流經該順向導通元件後分成兩路，其中一路依序流經該中繼電容及該第二電晶體元件，另一路依序流經該輸出電感及該負載，而流經該輸出電感的電流逐漸下降；藉此，該輸出電感產生連續鋸齒狀波形的電流。
An improved boost converter electrically connected between a power supply and a load, such that a voltage applied to the load is higher than a voltage supplied by the power supply, operating in a continuous conduction mode, comprising: a KY boost circuit, comprising: a forward conducting component having a first end electrically connected to the power source and a second end; an output inductor having a first end electrically connected to the second end of the forward conducting component, and a a second end of the load electrical connection; a relay capacitor electrically connected to the second end of the forward conducting component; and two transistor components, wherein the first transistor component has a forward conducting component a first end electrically connected to the first end, and a second end electrically connected to the relay capacitor; the other second transistor element has a first electrical connection to the second end of the first transistor element And a grounded second end; an input capacitor having a first end electrically connected to the power source, and a second end electrically connected to the first end of the first transistor element; An input inductor having a first end electrically connected to the power source, and a first Connected to the second end of the second end of the first transistor element; when the first transistor element is turned on and the second transistor element is not turned on, the forward conducting element is turned off, and the input inductor crosses across the voltage a demagnetization state for a negative value and charging the input capacitor, and the current flows through the first transistor element, the relay capacitor, the output inductor, and the load in sequence, and the output inductor is excited Magnetically causing a current flowing through the output inductor to gradually rise; when the second transistor element is turned on and the first transistor element is not conducting
The pass-through component is turned on, the energy of the power source charges the relay capacitor via the input capacitor, the input inductor is in an excited state, and the output inductor is in a demagnetized state to cause current to flow through the power source. After passing through the component, the device is divided into two paths, one of which flows through the relay capacitor and the second transistor component in sequence, and the other channel sequentially flows through the output inductor and the load, and the current flowing through the output inductor gradually Down; thereby, the output inductor produces a continuous sawtooth waveform current.
依據申請專利範圍第1項所述之改良型升壓轉換器，其中，該輸入電容是利用兩個電容正端接正端串聯成無極性電容。
The improved boost converter of claim 1, wherein the input capacitor is connected in series with a positive terminal of two capacitors to form a non-polar capacitor.