WO1982000070A1 - Discharging circuit for rectifying power source - Google Patents
Discharging circuit for rectifying power source Download PDFInfo
- Publication number
- WO1982000070A1 WO1982000070A1 PCT/JP1981/000142 JP8100142W WO8200070A1 WO 1982000070 A1 WO1982000070 A1 WO 1982000070A1 JP 8100142 W JP8100142 W JP 8100142W WO 8200070 A1 WO8200070 A1 WO 8200070A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit
- capacitor
- terminal
- power source
- resistor
- Prior art date
Links
- 238000007599 discharging Methods 0.000 title abstract 3
- 239000003990 capacitor Substances 0.000 claims abstract description 27
- 238000009499 grossing Methods 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 241000218691 Cupressaceae Species 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- 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
- H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
- H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting
Definitions
- Rectifier source & circuit
- the problem is that the dummy resistor 13 is constantly heated when the power is turned on, and the capacitance of the capacitor 12 is large. Since the resistance value of the dummy resistance 13 is large, the time constant is long, and there is a problem that there is a safety concern due to the reduction of the capacitor compress by discharge. is there.
- the present invention has been proposed to solve the above-mentioned problems in the conventional form.
- the purpose of the honki ⁇ is that the a-force voltage on the rectification u path is the charging voltage of the smoothing capacitor! ) Is also one straight ⁇ lower one
- one terminal of the rectifier circuit is connected to one terminal of the capacitor; one terminal of the capacitor is connected to the terminal of the rectifier circuit via a diode.
- the time constant ⁇ from the parallel circuit is connected, and a shunt cycle is applied between the diode, the reading point of the rectifier circuit, and the space of the closing transistor.
- the rectified power supply discharge that allows the capacitor to be discharged is proposed.
- FIG. 1 shows the conventional rectified power supply discharge ⁇ Oil 3 ⁇ 4 '2i, 2nd Is a circuit diagram of the discharge circuit of the rectified power as an embodiment of the present invention
- FIG. 3H is a diagram of the circuit diagram of the circuit shown in FIG.
- the regulator 21 receives the AC voltage and supplies the rectified power E.
- One side of the output cypress is connected to terminal 31 and the bubble side is connected to the can side of diode 25, and the terminal from the diode 25 is connected to the terminal. 3 Connected to 2.
- a load is connected between the terminals 31 and 32. From the power source of diode 25, one side of the terminal of resistor 22 and one side of the terminal of capacitor 23 and the input of the Connected to terminal.
- the output of the shunt circuit 24 is connected to the base of a closed-circuit transistor 27, and the emitter of the transistor 27 is a diode.
- the collector of the transistor 27 is connected to the terminal 31 via the resistor 26.
- the smoothing capacitor 28 is connected between the terminals 31 and 32.
- the other ends of the terminals of the resistor 22 and the capacitor 23 are connected to the terminal 31 respectively.
- a schematic diagram of an example shunt circuit 24 is shown in dashed lines in FIG.
- the shunt circuit 24 turns on the transistor 27 when the voltage across the diode 25 is, for example, over 30 lit ⁇ , and turns on the 1 (3
- the transistor 27 is turned on when the voltage across the diode 25 is more than 30 lts. In this case, the charged load of the capacitor 28 can be discharged through the resistor 26. Since the resistor 26 is easily passed through at all times, the load is relatively small.
- the voltage on the flow circuit side is less than the voltage across the capacitor 28 when the AC power is turned on. Since the diode 25 is conducting, the shunt circuit 24 makes the transistor 27 non-conductive, and the resistor 26 circuit is electrically disconnected. It is drilled.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Direct Current Feeding And Distribution (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8181901680T DE3174046D1 (en) | 1980-06-20 | 1981-06-20 | Discharging circuit for rectifying power source |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP80/82800800620 | 1980-06-20 | ||
JP8280080A JPS579264A (en) | 1980-06-20 | 1980-06-20 | Discharging circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1982000070A1 true WO1982000070A1 (en) | 1982-01-07 |
Family
ID=13784475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1981/000142 WO1982000070A1 (en) | 1980-06-20 | 1981-06-20 | Discharging circuit for rectifying power source |
Country Status (4)
Country | Link |
---|---|
US (1) | US4449177A (ja) |
EP (1) | EP0054076B1 (ja) |
JP (1) | JPS579264A (ja) |
WO (1) | WO1982000070A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2357197A (en) * | 1999-08-10 | 2001-06-13 | Delta Electronics Inc | Capacitor discharge device |
WO2008086891A1 (de) | 2007-01-17 | 2008-07-24 | Osram Gesellschaft mit beschränkter Haftung | Schaltungsanordnung und verfahren zur erhöhung der sicherheit eines elektronischen betriebsgerätes |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6176069A (ja) * | 1984-09-20 | 1986-04-18 | Mitsubishi Electric Corp | コンバ−タ装置 |
US5014177A (en) * | 1989-12-19 | 1991-05-07 | Sundstrand Corporation | DC-link ripple reduction circuit |
KR920005724Y1 (ko) * | 1990-05-11 | 1992-08-20 | 삼성전자 주식회사 | 보조전원 방전회로가 내지된 smps |
US5323303A (en) * | 1992-03-05 | 1994-06-21 | Alliedsignal Inc. | Active damper for EMI filter |
US5523665A (en) * | 1994-10-26 | 1996-06-04 | Fluke Corporation | Active discharge circuit for charged capacitors |
US5773903A (en) * | 1996-12-20 | 1998-06-30 | Sundstrand Corporation | Rotating rectifier assembly |
JP4418259B2 (ja) * | 2004-02-27 | 2010-02-17 | 株式会社日立製作所 | 電動ブレーキ装置 |
US7200015B1 (en) * | 2004-05-10 | 2007-04-03 | La Marche Manufacturing Co. | Automatic capacitor discharge for power supplies |
CN101876846A (zh) * | 2009-04-29 | 2010-11-03 | 鸿富锦精密工业(深圳)有限公司 | 电脑电源及其上的备用电压放电电路 |
US10177678B2 (en) * | 2014-01-13 | 2019-01-08 | Philips Lighting Holding B.V. | Buffering capacitor for diode bridge rectifier with controlled decharging current |
US11863062B2 (en) * | 2018-04-27 | 2024-01-02 | Raytheon Company | Capacitor discharge circuit |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU435580A1 (ru) * | 1972-11-03 | 1974-07-05 | Л. В. Межал Рижский политехнический институт | Сглаживающий фильтр |
JPS52100112U (ja) * | 1976-01-27 | 1977-07-29 | ||
JPH0583734A (ja) * | 1991-09-24 | 1993-04-02 | Toshiba Corp | ビデオ信号処理回路 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3246229A (en) * | 1962-02-12 | 1966-04-12 | Mc Graw Edison Co | Power supply system using a choke input filter and having improved regulation |
US3670230A (en) * | 1970-12-21 | 1972-06-13 | Ibm | Active filter capacitor for power supply switching regulators |
JPS5327815B2 (ja) * | 1973-11-28 | 1978-08-10 | ||
US3987356A (en) * | 1975-06-23 | 1976-10-19 | General Electric Company | Controlled capacitive filter for active loads |
US4275436A (en) * | 1979-08-01 | 1981-06-23 | Bell Telephone Laboratories, Incorporated | Converter bleeder circuit responsive to flux condition of filter inductor |
-
1980
- 1980-06-20 JP JP8280080A patent/JPS579264A/ja active Pending
-
1981
- 1981-06-20 WO PCT/JP1981/000142 patent/WO1982000070A1/ja active IP Right Grant
- 1981-06-20 US US06/354,099 patent/US4449177A/en not_active Expired - Fee Related
- 1981-06-20 EP EP81901680A patent/EP0054076B1/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU435580A1 (ru) * | 1972-11-03 | 1974-07-05 | Л. В. Межал Рижский политехнический институт | Сглаживающий фильтр |
JPS52100112U (ja) * | 1976-01-27 | 1977-07-29 | ||
JPH0583734A (ja) * | 1991-09-24 | 1993-04-02 | Toshiba Corp | ビデオ信号処理回路 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2357197A (en) * | 1999-08-10 | 2001-06-13 | Delta Electronics Inc | Capacitor discharge device |
GB2357197B (en) * | 1999-08-10 | 2002-06-05 | Delta Electronics Inc | Discharge device |
WO2008086891A1 (de) | 2007-01-17 | 2008-07-24 | Osram Gesellschaft mit beschränkter Haftung | Schaltungsanordnung und verfahren zur erhöhung der sicherheit eines elektronischen betriebsgerätes |
US8369051B2 (en) | 2007-01-17 | 2013-02-05 | Osram Gesellschaft Mit Beschrankter Haftung | Circuit arrangement and method for increasing the safety of an electronic operating device |
Also Published As
Publication number | Publication date |
---|---|
US4449177A (en) | 1984-05-15 |
EP0054076A4 (en) | 1983-07-08 |
EP0054076B1 (en) | 1986-03-12 |
EP0054076A1 (en) | 1982-06-23 |
JPS579264A (en) | 1982-01-18 |
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