Claims (6)
一種突波保護裝置，耦接於三線式電源之一第一線、一第二線及一第三線，包括：一第一、一第二及一第三突波保護單元；其中，該第一至該第三突波保護單元均包括：一第一端、一第二端及一監控端；一壓敏電阻器，設於該第一端及該監控端；以及，一保險絲，設於該第二端及該監控端；以及一第一及一第二光耦合單元；其中，該第一及該第二光耦合單元均包括一第一輸入端、一第二輸入端、一集極端及一射極端；該第一光耦合單元之該第一輸入端耦接該第一突波保護單元之該監控端，該第一光耦合單元之該第二輸入端耦接該第一突波保護單元之該第一端及該第一線；該第一光耦合單元之該集極端與該射極端分別耦接一電壓源與該第二光耦合單元之該集極端；該第二光耦合單元之該第一輸入端耦接該第二突波保護單元之該監控端，該第二光耦合單元之該第二輸入端耦接該第三突波保護單元之該監控端；該第二及該第三突波保護單元之該等第一端耦接該第三線，該第二突波保護單元之該第二端耦接該第一線，該第三突波保護單元之該第二端耦接該第二線與該第一突波保護單元之該第二端；其中，當該第一至第三突波保護單元之該等保險絲正常運作時，該第二光耦合單元之該射極端輸出一正常指示訊號；當該第一至第三突波保護單元之該等保險絲其中之
一熔斷時，該第二光耦合單元之該射極端輸出一異常指示訊號。
A surge protection device coupled to one of the first line, the second line, and the third line of the three-wire power supply, comprising: a first, a second, and a third surge protection unit; wherein the first The third surge protection unit includes: a first end, a second end, and a monitoring end; a varistor disposed at the first end and the monitoring end; and a fuse disposed at the a second end and the monitoring end; and a first and a second optical coupling unit; wherein the first and the second optical coupling units each include a first input terminal, a second input terminal, and an episode terminal The first input end of the first optical coupling unit is coupled to the monitoring end of the first surge protection unit, and the second input end of the first optical coupling unit is coupled to the first surge protection The first end of the unit and the first line; the collector terminal of the first optical coupling unit and the emitter terminal are respectively coupled to a collector terminal of a voltage source and the second optical coupling unit; the second optical coupling unit The first input end is coupled to the monitoring end of the second surge protection unit, and the second optical coupling The second input end of the third surge protection unit is coupled to the monitoring end of the third surge protection unit; the first ends of the second and third surge protection units are coupled to the third line, and the second surge protection The second end of the unit is coupled to the first line, the second end of the third surge protection unit is coupled to the second line and the second end of the first surge protection unit; When the fuses of the first to third surge protection units operate normally, the emitter terminals of the second light coupling unit output a normal indication signal; when the fuses of the first to third surge protection units are
When a fuse is blown, the emitter terminal of the second optical coupling unit outputs an abnormality indicating signal.
如申請專利範圍第1項所述之突波保護裝置，其中該第一線為火線，該第二線為中性線，以及該第三線為地線。
The surge protection device of claim 1, wherein the first line is a live line, the second line is a neutral line, and the third line is a ground line.
如申請專利範圍第1項所述之突波保護裝置，其中當一突波出現在該第一線、該第二線及該第三線其中至少之一時，該第一至第三突波保護單元中的該等壓敏電阻器至少之一會導通以消除該突波。
The surge protection device of claim 1, wherein the first to third surge protection units are present when a surge occurs at least one of the first line, the second line, and the third line At least one of the varistor in the middle of the varistor is turned on to eliminate the glitch.
如申請專利範圍第1項所述之突波保護裝置，其中每一該第一及該第二光耦合單元均包括：一發光元件組，設於該第一及該第二輸入端之間；一光偵測元件，設於該集極端和該射極端之間；當該第一至第三突波保護單元之該等保險絲正常運作時，該第一及第二光耦合單元之該等發光元件組流通電流而發光，該第一及第二光耦合單元之該等光偵測元件偵得該發光而流通電流。
The oscillating protection device of claim 1, wherein each of the first and second optical coupling units comprises: a light emitting component group disposed between the first and second input ends; a light detecting component disposed between the collector terminal and the emitter terminal; and when the fuses of the first to third surge protection units operate normally, the first and second light coupling units emit the light The component group emits current and emits light, and the photodetecting elements of the first and second optical coupling units detect the light to circulate a current.
如申請專利範圍第1項所述之突波保護裝置，更包括：一第一電阻器，耦接於該第一突波保護單元之該監控端與該第一光耦合單元之該第一輸入端；一第二電阻器，耦接於該第一線以及該第一光耦合單元之該第二輸入端；一第三電阻器，耦接於該第二突波保護單元之該監控端以及該第二光耦合單元之該第一輸入端；以及
一第四電阻器，耦接於該第三突波保護單元之該監控端以及該第二光耦合單元之該第二輸入端。The surge protection device of claim 1, further comprising: a first resistor coupled to the monitoring end of the first surge protection unit and the first input of the first optical coupling unit a second resistor coupled to the first line and the second input end of the first optical coupling unit; a third resistor coupled to the monitoring end of the second surge protection unit and The first input of the second optical coupling unit;
A fourth resistor is coupled to the monitoring end of the third surge protection unit and the second input end of the second optical coupling unit.
如申請專利範圍第4項所述之突波保護裝置，其中該發光元件組，包括二個發光二極體，電極性反接並且並聯於該第一及該第二輸入端之間。The oscillating protection device of claim 4, wherein the illuminating element group comprises two illuminating diodes, and the electrodes are reversely connected and connected in parallel between the first and second input ends.