WO2003103118A1 - Elektrische spannungsversorgungsschaltung sowie verfahren - Google Patents
Elektrische spannungsversorgungsschaltung sowie verfahren Download PDFInfo
- Publication number
- WO2003103118A1 WO2003103118A1 PCT/EP2003/005666 EP0305666W WO03103118A1 WO 2003103118 A1 WO2003103118 A1 WO 2003103118A1 EP 0305666 W EP0305666 W EP 0305666W WO 03103118 A1 WO03103118 A1 WO 03103118A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- power supply
- switch
- supply circuit
- rectifier
- Prior art date
Links
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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
Definitions
- the present invention relates to an electrical voltage supply circuit for providing a stabilized DC output voltage, comprising a rectifier that can be connected on the input side to an AC voltage network via a first controllable switch and a step-up converter connected to this on the output side, and an electronic control circuit that is provided with means for monitoring the output voltage of the rectifier can be supplied with an operating voltage from the output voltage of the step-up converter via a switching power supply.
- the invention also relates to a corresponding method for operating such a voltage supply circuit.
- Such voltage supply circuits are used, for example, to operate hand-held power tools on a wide variety of supply networks.
- a minimum mains voltage quality cannot be defined here.
- overvoltages can occur that exceed the permissible mains voltage limits and lead to the destruction of the power tools.
- the devices known in the prior art have the disadvantage that with the disconnection of the circuit from the supply network at the same time the control circuit is without voltage supply, so that a desired error display or diagnosis is not possible. The user therefore receives no feedback about the error that has occurred.
- the voltage supply circuit according to the invention has the advantage that the control circuit continues to be supplied with an operating voltage even when the main supply voltage provided for operating the device is switched off due to overvoltage.
- the switching power supply provided for generating this operating voltage is additionally connected on the input side to means for rectifying and limiting a voltage which can be connected directly to the AC voltage network via a second controllable switch.
- the voltage supply circuit comprises a bridge rectifier formed from the four diodes D1 to D4, upstream of which is connected a line voltage filter formed by the capacitors C1 and C2 and the coils L1 and L2.
- This mains voltage filter can be connected to the AC voltage network via the relay K1 or in parallel via the relay K2, which is connected in series with two resistors R1 and R2.
- the relays K1 and K2 are shown in the drawing in their rest position, in which they are before the mains voltage is applied.
- the charging resistor formed by the resistors R1 and R2 Capacitors C1 and C2 charged.
- the resistor R2 is designed as a PTC in this exemplary embodiment. If a minimum charging voltage is exceeded, the relay K1 is energized, and the step-up converter essentially formed by the coil L3 and the transistor T1 provides the desired output voltage U G as a supply voltage for the downstream device.
- the output voltage of the rectifier is continuously measured and monitored by the control circuit via the voltage divider formed by resistors R5 to R8.
- the voltage UN is fed to an analog-digital converter input of a microprocessor in the control circuit.
- the step-up converter is controlled by the control circuit to provide a power factor correction function. This function ensures a sinusoidal current consumption that is in phase with the mains voltage, thereby avoiding an unnecessary load on the supply network.
- Switching of the changeover relay K2 connected in parallel to the relay K1 causes on the one hand that the rectifier's mains connection via the charging resistor is interrupted, so that all components to be protected are disconnected from the mains.
- the switch-mode power supply SNT is also supplied via the make contact of the relay K2 in order to ensure the voltage supply for the relay or the microprocessor.
- the mains input voltage is initially limited by a diode D6 to the positive half-waves, which are then fed to a series transistor connected to its gate via a zener diode D9 with ground potential. This limits the primary voltage of the switched-mode power supply SNT to approx. 400 volts, so as not to destroy it due to the mains overvoltage.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Optical Communication System (AREA)
- Relay Circuits (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50302296T DE50302296D1 (de) | 2002-06-04 | 2003-05-30 | Elektrische spannungsversorgungsschaltung sowie verfahren |
AU2003238436A AU2003238436A1 (en) | 2002-06-04 | 2003-05-30 | Electrical power supply circuit and corresponding method |
EP03732499A EP1509991B1 (de) | 2002-06-04 | 2003-05-30 | Elektrische spannungsversorgungsschaltung sowie verfahren |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10224691.2 | 2002-06-04 | ||
DE10224691A DE10224691A1 (de) | 2002-06-04 | 2002-06-04 | Elektrische Spannungsversorgungsschaltung sowie Verfahren |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003103118A1 true WO2003103118A1 (de) | 2003-12-11 |
Family
ID=29594240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/005666 WO2003103118A1 (de) | 2002-06-04 | 2003-05-30 | Elektrische spannungsversorgungsschaltung sowie verfahren |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1509991B1 (de) |
AT (1) | ATE316709T1 (de) |
AU (1) | AU2003238436A1 (de) |
DE (2) | DE10224691A1 (de) |
ES (1) | ES2256750T3 (de) |
WO (1) | WO2003103118A1 (de) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19646666A1 (de) * | 1995-12-11 | 1997-06-12 | Steyr Daimler Puch Ag | Ladevorrichtung für ein batteriebetriebenes Fahrzeug |
US6370045B1 (en) * | 1999-09-08 | 2002-04-09 | U.S. Philips Corporation | Converter including a fly-back circuit |
-
2002
- 2002-06-04 DE DE10224691A patent/DE10224691A1/de not_active Withdrawn
-
2003
- 2003-05-30 AT AT03732499T patent/ATE316709T1/de active
- 2003-05-30 EP EP03732499A patent/EP1509991B1/de not_active Expired - Lifetime
- 2003-05-30 ES ES03732499T patent/ES2256750T3/es not_active Expired - Lifetime
- 2003-05-30 WO PCT/EP2003/005666 patent/WO2003103118A1/de not_active Application Discontinuation
- 2003-05-30 AU AU2003238436A patent/AU2003238436A1/en not_active Abandoned
- 2003-05-30 DE DE50302296T patent/DE50302296D1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19646666A1 (de) * | 1995-12-11 | 1997-06-12 | Steyr Daimler Puch Ag | Ladevorrichtung für ein batteriebetriebenes Fahrzeug |
US6370045B1 (en) * | 1999-09-08 | 2002-04-09 | U.S. Philips Corporation | Converter including a fly-back circuit |
Also Published As
Publication number | Publication date |
---|---|
AU2003238436A1 (en) | 2003-12-19 |
EP1509991A1 (de) | 2005-03-02 |
EP1509991B1 (de) | 2006-01-25 |
ES2256750T3 (es) | 2006-07-16 |
DE10224691A1 (de) | 2003-12-24 |
DE50302296D1 (de) | 2006-04-13 |
ATE316709T1 (de) | 2006-02-15 |
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