KR910006948Y1 - 전기자동개페회로 - Google Patents
전기자동개페회로 Download PDFInfo
- Publication number
- KR910006948Y1 KR910006948Y1 KR2019870016334U KR870016334U KR910006948Y1 KR 910006948 Y1 KR910006948 Y1 KR 910006948Y1 KR 2019870016334 U KR2019870016334 U KR 2019870016334U KR 870016334 U KR870016334 U KR 870016334U KR 910006948 Y1 KR910006948 Y1 KR 910006948Y1
- Authority
- KR
- South Korea
- Prior art keywords
- comparator
- switch
- voltage
- load
- circuit
- 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
Links
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
- H02H3/066—Reconnection being a consequence of eliminating the fault which caused disconnection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (2)
- 양인입선(L1) (L2)간에 정류부(1)를 설치하여, 비교부(2)의 비교기(IC2)(IC3)에 기준전압을 인가토록 하고, 양인입선(L1) (L2)과 부하(Load) 측간에 설치된 개폐부(3)의 개폐기(A) (B)는 감지부(4)의 등가저항(R6)의 검출전압에 따라 구동되는 릴레이(RL)에 의하여 전환토록한 전기자동개폐회로.
- 제1항에 있어서, 정류부(1)의 출력을 분압시켜 비교부(2)의 비교기(IC2)(IC3)에 기준전압을 인가케한 분압저항(R1-R4)과, 트랜지스터(Q) 에미터측과 다이오드(D1)간에 접속된 콘덴서(C1)에 의하여 지연회로가 구성되도록 한 전기자동개폐회로.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870016334U KR910006948Y1 (ko) | 1987-09-25 | 1987-09-25 | 전기자동개페회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870016334U KR910006948Y1 (ko) | 1987-09-25 | 1987-09-25 | 전기자동개페회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890007778U KR890007778U (ko) | 1989-05-17 |
| KR910006948Y1 true KR910006948Y1 (ko) | 1991-09-17 |
Family
ID=19268245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019870016334U Expired KR910006948Y1 (ko) | 1987-09-25 | 1987-09-25 | 전기자동개페회로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR910006948Y1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102460286B1 (ko) * | 2021-01-07 | 2022-10-31 | 이주수 | 엘리베이터 보호용 과전압 차단장치 |
-
1987
- 1987-09-25 KR KR2019870016334U patent/KR910006948Y1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR890007778U (ko) | 1989-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UA0108 | Application for utility model registration |
St.27 status event code: A-0-1-A10-A12-nap-UA0108 |
|
| A201 | Request for examination | ||
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| UA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-UA0201 |
|
| UG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-UG1501 |
|
| E902 | Notification of reason for refusal | ||
| UE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-UE0902 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
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| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
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| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| UG1604 | Publication of application |
St.27 status event code: A-2-2-Q10-Q13-nap-UG1604 |
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| E701 | Decision to grant or registration of patent right | ||
| UE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-UE0701 |
|
| REGI | Registration of establishment | ||
| UR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-UR0701 |
|
| UR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-UR1002 Fee payment year number: 1 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| UC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-UC1903 Not in force date: 19940918 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| UC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-UC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 19940918 |
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| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |