KR950003490Y1 - 전원 공급의 자동 차단회로 - Google Patents
전원 공급의 자동 차단회로 Download PDFInfo
- Publication number
- KR950003490Y1 KR950003490Y1 KR2019900011959U KR900011959U KR950003490Y1 KR 950003490 Y1 KR950003490 Y1 KR 950003490Y1 KR 2019900011959 U KR2019900011959 U KR 2019900011959U KR 900011959 U KR900011959 U KR 900011959U KR 950003490 Y1 KR950003490 Y1 KR 950003490Y1
- Authority
- KR
- South Korea
- Prior art keywords
- circuit
- transistor
- voltage
- flop
- relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000007257 malfunction Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001364 causal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/008—Intrinsically safe circuits
Landscapes
- Control Of Voltage And Current In General (AREA)
Abstract
Description
Claims (1)
- AC 입력전원을 트랜스(TS)와 정류회로(BD) 및 콘덴서(C) 그리고 레귤레이터회로(1)를 경유케한 통상의 전원부(5)회로에 있어서 정류회로(BD)의 출력단을 가변저항(VR1)(VR2)에 각각 접속하고, 상기 가변저항(VR2)에는 제너다이오드(ZD2)와 저항(R3)(R5)을 통하여 트랜지스터(Q2) 베이스에 연결하되 레귤레이터회로(1)의 트랜지스터(Q1)에 에미터단은 플립플롭(2)과 트랜지스터(Q2) 콜렉터에 접속하는 한편 플립플롭(2)의 리세트단(R)은 트랜지스터(Q2) 에미터단을, 그리고 세트(S) 단자는 가변저항(VR1)에, 출력단측은 릴레이(3)로 각각 연결하되 릴레이(3) 구동으로 접점되는 릴레이스위치(SW)에는 AC인입전압과 부하(4)를 접속하여서된 것을 특징으로 하는 전원공급의 자동 차단회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900011959U KR950003490Y1 (ko) | 1990-08-08 | 1990-08-08 | 전원 공급의 자동 차단회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900011959U KR950003490Y1 (ko) | 1990-08-08 | 1990-08-08 | 전원 공급의 자동 차단회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920005378U KR920005378U (ko) | 1992-03-26 |
KR950003490Y1 true KR950003490Y1 (ko) | 1995-05-02 |
Family
ID=19302009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900011959U Expired - Fee Related KR950003490Y1 (ko) | 1990-08-08 | 1990-08-08 | 전원 공급의 자동 차단회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950003490Y1 (ko) |
-
1990
- 1990-08-08 KR KR2019900011959U patent/KR950003490Y1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR920005378U (ko) | 1992-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19900808 |
|
UG1501 | Laying open of application | ||
A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19930129 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19900808 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19950407 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19950710 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19951005 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19951005 |
|
UR1001 | Payment of annual fee |
Payment date: 19971231 Start annual number: 4 End annual number: 4 |
|
FPAY | Annual fee payment |
Payment date: 19990430 Year of fee payment: 5 |
|
UR1001 | Payment of annual fee |
Payment date: 19990430 Start annual number: 5 End annual number: 5 |
|
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |