CA2626949C - Circuit installation capable of full voltage activation, division voltage operation and delayed braking - Google Patents

Circuit installation capable of full voltage activation, division voltage operation and delayed braking Download PDF

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Publication number
CA2626949C
CA2626949C CA2626949A CA2626949A CA2626949C CA 2626949 C CA2626949 C CA 2626949C CA 2626949 A CA2626949 A CA 2626949A CA 2626949 A CA2626949 A CA 2626949A CA 2626949 C CA2626949 C CA 2626949C
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Prior art keywords
capacitor
circuit
load
impedance
voltage
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CA2626949A
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French (fr)
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CA2626949A1 (en
Inventor
Tai-Her Yang
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Individual
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Individual
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Priority claimed from US11/526,585 external-priority patent/US7839105B2/en
Priority to US11/526,585 priority Critical patent/US7839105B2/en
Priority to TW96137754A priority patent/TWI470397B/en
Priority to EP07254872A priority patent/EP2071425B1/en
Priority to AT07254872T priority patent/ATE508404T1/en
Priority to DE602007014388T priority patent/DE602007014388D1/en
Priority to CN2008100858360A priority patent/CN101540550B/en
Priority to CA2626949A priority patent/CA2626949C/en
Application filed by Individual filed Critical Individual
Priority to JP2008078317A priority patent/JP5302557B2/en
Priority to KR1020080027290A priority patent/KR101565160B1/en
Priority to AU2008201386A priority patent/AU2008201386B2/en
Publication of CA2626949A1 publication Critical patent/CA2626949A1/en
Priority to US12/907,194 priority patent/US7911164B2/en
Publication of CA2626949C publication Critical patent/CA2626949C/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/18—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for introducing delay in the operation of the relay
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
    • 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
    • H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
    • 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
    • H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
    • 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/145—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/155—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of ac power input into dc power output without possibility of reversal 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
    • H02M7/217—Conversion of ac power input into dc power output without possibility of reversal 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
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • H03K17/161—Modifications for eliminating interference voltages or currents in field-effect transistor switches
    • H03K17/162—Modifications for eliminating interference voltages or currents in field-effect transistor switches without feedback from the output circuit to the control circuit
    • 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
    • H02M1/0083—Converters characterised by their input or output configuration
    • H02M1/009—Converters characterised by their input or output configuration having two or more independently controlled outputs
    • 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
    • H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
    • H02M3/072—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps adapted to generate an output voltage whose value is lower than the input voltage

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

A circuit installation that executes full voltage activation, division voltage operation, and delayed braking brake to electric load by increasing the power to the load activated to promote its activation performance or reducing operation power in the course of operation by the load to save power consumption or limit operation performance of the load.

Description

TITLE: CIRCUIT INSTALLATION CAPABLE OF FULL
VOLTAGE ACTIVATION, DIVISION VOLTAGE
OPERATION AND DELAYED BRAKING
BACKGROUND OF THE INVENTION
(a) Field of the Invention The present invention is related to a circuit installation, and more particularly, to one that controls a power load taking advantage of charging, discharging and division voltage features of capacitor to 1 o provide activation and operation features different from those provided by a conventional ON-OFF switch.
(b) Description of the Prior Art:
The pattern of control and operation of an electric load by conventional power switches usually involves ON or OFF only without the capacity to change the input voltage to the load.
SUMMARY OF THE INVENTION
The primary purpose of the present invention is to provide a circuit installation that is capable of full voltage activation, division voltage operation and delayed braking. To achieve the purpose, the present invention by taking advantage of the features of a capacitor that integral boosting voltage in charging and differential dropping voltage in discharging connects the capacitor in series with an electric load; two sets of the said capacitor connected in series and the device of electric load are then connected in series in opposite sequence before being connected in parallel; and a diode is connected in series in positive direction at where between two sets of electric loads according to the flowing direction of currents from both sets of electric load. Upon inputting DC
power to charge the capacitor through the electric load thus to subject both electric loads respectively connected in series to the capacitor in the series circuits to 100% voltage; and later the charging voltage at the capacitor rises to create balanced division voltage respectively between both electric loads connected in parallel with the capacitor. At such time, both electric loads in the series circuits are in the status of series high resistance and low amperage to achieve the purposes of full voltage activation, division voltage operation, and delayed braking. The electric load includes EM effect load or resistance load.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a schematic view showing a circuit of the present invention.
Fig. 2 is a schematic view showing that the circuit of the present invention in Fig. 1 is provided with additional resistance.
Fig. 3 is a schematic view showing a circuit of electric load in the present invention comprised of resistance and EM effect electric load.
Fig. 4 is a schematic view showing that the circuit of the present invention in Fig. 3 is provided with additional resistance.
Fig. 5 is a schematic view showing a circuit of electric load in the present invention comprised of resistance.
Fig. 6 is a schematic view showing that the circuit of the present invention in Fig. 5 is provided with additional resistance.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Referring to Fig. 1, a preferred embodiment of the present invention is comprised of:
--- EM effect electric loads 101, 103, each related to an electric drive installation giving various features depending on the voltage, e.g., an EM
effect installation or an installation converting EM force into mechanical energy;
--- the first EM effect electric load 101, provided to constitute a first series circuit by connecting in series with a first capacitor 102 in the same direction of polarity;
--- a second capacitor 104, provided to constitute a second series circuit by connecting in series with the second EM effect electric load 103 in the same direction of polarity;
--- both capacitors 102, 104 and devices of both EM effect electric loads 101, 103 in the first and the second series circuits are connected in series in opposite sequence before being connected in parallel indicating the io same polarity to be subject to control by a source switch 100; and --- a diode 200, coupled to where between the coupling point of the first EM effect electric load 101 and the first capacitor 102 in the first series circuit and that of the second EM effect electric load 103 and the second capacitor 104 in the second series circuit and indicating series in the same direction of polarity with the first and the second EM effect electric loads 101, 103 to permit flow of DC power.
Wherein, the operation function of the present invention as illustrated in Fig. 1 involves (1) With the source switch 100 is ON, DC power charges the first capacitor 102 via the first EM effect electric load 101 and charges the second capacitor 104 via the second EM effect electric load 103;
meanwhile, both of the first and the second EM effect electric loads 101, 103 are subject to 100% voltage and the voltage gradually drops at each of the first and the second EM effect electric loads 101, 103 due to that the charging voltage respectively at the first and the second capacitors 102, 104 indicates integral curve rising status.
(2) When the voltage of the electric load drops and gets stabilized at the series division voltage values of the first and the second EM effect electric loads 101, 103, the amperage drops to where equal to the difference of DC source voltage less the voltage VF of the diode 200 in the same direction to be divided by the series resistance value of the first and the second EM effect electric loads 101, 103.
(3) With the source switch 100 is OFF or during transient drop of source voltage, the first capacitor 102 discharges the second EM effect electric load 103 and the second capacitor 104 discharges the first EM
effect electric load 101 to delay the time for circuit braking.
In the circuit illustrated in Fig. 1, the time of voltage drop at the first and the second EM effect electric loads 101, 103 in the course of feeding the power, or the time of extended circuit braking may have its time o constant regulated by having both ends of the first and the second capacitors 102, 104 to respectively connect in parallel with a fist and a second resistances 105, 106.
Fig. 2 shows another preferred embodiment of the present invention with an additional resistance added to the circuit of the preferred embodiment illustrated in Fig. 1. The second preferred embodiment is comprised of:
EM effect electric loads 101, 103, each related to an electric drive installation giving various features depending on the voltage, e.g., an EM
effect installation or an installation converting EM force into mechanical energy;
--- the first EM effect electric load 101, provided to constitute a first series circuit by connecting in series with a first capacitor 102 in the same direction of polarity;
--- a second capacitor 104, provided to constitute a second series circuit by connecting in series with the second EM effect electric load 103 in the same direction of polarity;
--- both capacitors 102, 104 and devices of both EM effect electric loads 101, 103 in the first and the second series circuits are connected in series in opposite sequence before being connected in parallel indicating the same polarity to be subject to control by a source switch 100; and --- the diode 200, coupled to where between the coupling point of the first EM effect electric load 101 and the first capacitor 102 in the first series circuit and that of the second EM effect electric load 103 and the second capacitor 104 in the second series circuit and indicating series in the same direction of polarity with the first and the second EM effect electric loads 101, 103 to permit flow of DC power;
--- the first resistance 105, comprised of resistance impedance, or any coils containing resistance impedance, or power driven installation or device containing resistance impedance; connected in parallel with both o ends of the first capacitor 102 to facilitate the discharging rate at the first capacitor 102 when the division voltage at the second EM effect electric load 103 drops or is interrupted; and --- the second resistance 106, comprised of resistance impedance, or any coils containing resistance impedance, or power driven installation or device containing resistance impedance; connected in parallel with both ends of the second capacitor 104 to facilitate the discharging rate at the second capacitor 104 when the division voltage at the first EM effect electric load 101 drops or is interrupted.
The operational function of the preferred embodiment illustrated in Fig. 2 involves:
(1) With the source switch 100 is ON, DC power charges the first capacitor 102 via the first EM effect electric load 101 and charges the second capacitor 104 via the second EM effect electric load 103;
meanwhile, both of the first and the second EM effect electric loads 101, 103 are subject to 100% voltage and the voltage gradually drops at each of the first and the second EM effect electric loads 101, 103 due to that the charging voltage respectively at the first and the second capacitors 102, 104 indicates integral curve rising status; the first resistance 105 connected in parallel with the first capacitor 102 and the second resistance 106 connected in parallel with the second capacitor 104 extend the time of voltage drop respectively at the first and the second EM effect electric loads 101, 103.
(2) When the voltage of the electric load drops and gets stabilized at the series division voltage values of the first and the second EM effect electric loads 101, 103, the amperage drops to where equal to the difference of DC source voltage less the voltage VF of the diode 200 in the same direction to be divided by the series resistance value of the first and the second EM effect electric loads 101, 103.
(3) With the source switch 100 is OFF or during transient drop of lo source voltage, the first capacitor 102 discharges the first resistance and the second EM effect electric load 103; and the second capacitor 104 discharges the second resistance 106 and the first EM effect electric load 101 to delay the time for circuit braking.
The circuit installation allowing full voltage activation, division voltage operation and delayed braking while having both EM effect electric loads to serve as electric loads may also have an impedance 301 serving as a resistance electric load for voltage drop thus to drive the single EM effect electric load 103.
Fig. 3 shows that a circuit of electric load in another preferred z o embodiment yet of the present invention is comprised of an impedance and EM effect electric load. The third preferred embodiment is comprised of:
--- the EM effect electric load 103, related to an electric drive installation giving various features depending on the voltage, e.g., an EM effect installation or an installation converting EM force into mechanical energy;
--- the impedance 301, comprised of resistance impedance, or any coils containing resistance impedance, or power driven installation or device containing resistance impedance;
--- the impedance 301, provided for connecting the first capacitor 102 in series indicating the same direction of polarity to constitute a first series circuit;
--- a second capacitor 104, provided to constitute a second series circuit by connecting in series with the EM effect electric load 103 in the same direction of polarity;
--- both of the first and the second series circuits are connected to each other in parallel indicating the same polarity to be subject to control by a source switch 100; and --- the diode 200, coupled to where between the coupling point of the impedance 301 and the first capacitor 102 in the first series circuit and that of the EM effect electric load 103 and the second capacitor 104 in the second series circuit and indicating series in the same direction of polarity with the impedance 301 and the EM effect electric loads 103 to permit flow of DC power.
The operational function of the preferred embodiment illustrated in Fig. 3 involves:
(1) With the source switch 100 is ON, DC power charges the first capacitor 102 via the impedance 301 and charges the second capacitor 104 via the EM effect electric load 103; meanwhile, both of the impedance 301 and the EM effect electric load 103 are subject to 100%
voltage and the voltage gradually drops at the impedance 301 and the EM
effect electric load 103 due to that the charging voltage respectively at the first and the second capacitors 102, 104 indicates integral curve rising status.
(2) When the voltage of the electric load drops and gets stabilized at the series division voltage values of the impedance 301 and the EM
effect electric load 103, the amperage drops to where equal to the difference of DC source voltage less the voltage VF of the diode 200 in the same direction to be divided by the series resistance value of the impedance 301 and the EM effect electric load 103.
(3) With the source switch 100 is OFF or during transient drop of source voltage, the first capacitor 102 discharges the EM effect electric load 103; and the second capacitor 104 discharges the impedance 301 to delay the time for circuit braking.
In the circuit illustrated in Fig. 3, the time of voltage drop at the EM
effect electric load 103 and the impedance 301 in the course of discharging, or the time of extended time when the power is interrupted o may have its time constant regulated by having both ends of the first and the second capacitors 102, 104 to respectively connect in parallel with a fist and a second resistances 105, 106.
Fig. 4 shows another preferred embodiment yet of the present invention with an additional resistance added to the circuit of the preferred embodiment illustrated in Fig. 3. The preferred embodiment illustrated in Fig. 4 is comprised of:
--- the EM effect electric load 103, related to an electric drive installation giving various features depending on the voltage, e.g., an EM effect installation or an installation converting EM force into mechanical energy;
--- the impedance 301, comprised of resistance impedance, or any coils containing resistance impedance, or power driven installation or device containing resistance impedance;
--- the impedance 301, provided for connecting the first capacitor 102 in series indicating the same direction of polarity to constitute a first series circuit;
--- a second capacitor 104, provided to constitute a second series circuit by connecting in series with the EM effect electric load 103 in the same direction of polarity;
--- both of the first and the second series circuits are connected in parallel of the same polarity to be subject to control by a source switch 100; and --- the diode 200, coupled to where between the coupling point of the impedance 301 and the first EM effect electric load 101 in the first series circuit and that of the EM effect electric load 103 and the second capacitor 104 in the second series circuit and indicating series in the same direction of polarity with the impedance 301 and the EM effect electric load 103 to permit flow of DC power;
--- the first resistance 105, comprised of resistance impedance, or any 1 o coils containing resistance impedance, or power driven installation or device containing resistance impedance; connected in parallel with both ends of the first capacitor 102 to facilitate the discharging rate at the first capacitor 102 when the division voltage at the second EM effect electric load 103 drops or is interrupted; and --- the second resistance 106, comprised of resistance impedance, or any coils containing resistance impedance, or power driven installation or device containing resistance impedance; connected in parallel with both ends of the second capacitor 104 to facilitate the discharging rate at the second capacitor 104 when the division voltage at impedance 301 drops or is interrupted; the second resistance 106 may or may not be provided depending on the characteristics of the resistance 301 connected in parallel.
The operational function of the preferred embodiment illustrated in Fig. 4 involves:
(1) With the source switch 100 is ON, DC power charges the first capacitor 102 via the impedance 301 and charges the second capacitor 104 via the EM effect electric load 103; meanwhile, both of the impedance 301 and the EM effect electric load 103 are subject to 100%
voltage and the voltage gradually drops at the impedance 301 and the EM
effect electric load 103 due to that the charging voltage respectively at the first and the second capacitors 102, 104 indicates integral curve rising status; the first resistance 105 connected in parallel with the first capacitor 102 and the second resistance 106 connected in parallel with the second capacitor 104 extend the time of voltage drop respectively at the impedance 301 and the EM effect electric load 103.
(2) When the voltage of the electric load drops and gets stabilized at the series division voltage values of the impedance 301 and the EM
effect electric load 103, the amperage drops to where equal to the difference of DC source voltage less the voltage VF of the diode 200 in o the same direction to be divided by the series resistance value of the impedance 301 and the EM effect electric load 103.
(3) With the source switch 100 is OFF or during transient drop of source voltage, the first capacitor 102 discharges the first resistance 105 and the EM effect electric load 103; and the second capacitor 104 discharges the second resistance 106 and the impedance 301 to delay the time for circuit braking.
The circuit installation allowing full voltage activation, division voltage operation and delayed braking may have the electric load comprised of the impedance 301 and another impedance 303.
Fig. 5 is a schematic view showing a circuit of the present invention with an electric load comprised of impedance. In the preferred embodiment illustrated in Fig. 5 is comprised of:
--- the impedance 301 and 303, each comprised of resistance impedance, or any coils containing resistance impedance, or power driven installation or device containing resistance impedance; both may be comprised of the same or different types with their resistance values may be of the same or not;
--- the impedance 301, provided for connecting the first capacitor 102 in series indicating the same direction of polarity to constitute a first series circuit;
--- the second capacitor 104, provided for connecting the impedance 303 in series indicating the same direction of polarity to constitute a second series circuit;
--- both of the first and the second series circuits are connected in parallel of the same polarity to be subject to control by a source switch 100; and --- the diode 200, coupled to where between the coupling point of the impedance 301 and the first capacitor 102 in the first series circuit and that of the impedance 303 and the second capacitor 104 in the second series circuit and indicating series in the same direction of polarity with o the impedance 301 and another impedance 303 to permit flow of DC
power.
The preferred embodiment illustrated in Fig. 5 operates as follows:
(1) With the source switch 100 is ON, DC power charges the first capacitor 102 via the impedance 301 and charges the second capacitor 104 via the second impedance 303; meanwhile, both of the impedance 301 and the second impedance 303 are subject to 100% voltage and the voltage gradually drops at the impedance 301 and the second impedance 303 due to that the charging voltage respectively at the first and the second impedances 301, 303 indicates integral curve rising status.
(2) When the voltage of the electric load drops and gets stabilized at the series division voltage values of the impedance 301 and the second impedance 303, the amperage drops to where equal to the difference of DC source voltage less the voltage VF of the diode 200 in the same direction to be divided by the series resistance value of the impedance 301 and the second impedance 303.
(3) With the source switch 100 is OFF or during transient drop of source voltage, the first capacitor 102 discharges the first impedance 301;
and the second capacitor 104 discharges the second impedance 303 to delay the time for circuit braking.
In the circuit illustrated in Fig. 5, the time of voltage drop at the impedance 301 and 303 in the course of discharging, or the time of extended time when the power is interrupted may have its time constant regulated by having both ends of the first and the second capacitors 102, 104 to respectively connect in parallel with a fist and a second resistances 105, 106.
The circuit of another preferred embodiment yet of the present invention as illustrated in Fig. 6 provided with additional resistance is comprised of:
--- the impedance 301 and 303, each comprised of resistance impedance, or any coils containing resistance impedance, or power driven installation or device containing resistance impedance; both may be comprised of the same or different types with their resistance values may be of the same or not;
--- the impedance 301, provided for connecting the first capacitor 102 in series indicating the same direction of polarity to constitute a first series circuit;
--- the second capacitor 104, provided for connecting the impedance 303 in series indicating the same direction of polarity to constitute a second series circuit;
--- both of the first and the second series circuits are connected in parallel of the same polarity to be subject to control by a source switch 100;
--- the diode 200, coupled to where between the coupling point of the impedance 301 and the first capacitor 102 in the first series circuit and that of the impedance 303 and the second capacitor 104 in the second series circuit and indicating series in the same direction of polarity with the impedance 301 and another impedance 303 to permit flow of DC
power;
--- the first resistance 105, comprised of resistance impedance, or any coils containing resistance impedance, or power driven installation or device containing resistance impedance; connected in parallel with both ends of the first capacitor 102 to facilitate the discharging rate at the first capacitor 102 when the division voltage at the impedance 303 drops or is interrupted; and the first resistance 105 may or may not be provided depending on the characteristics of the resistance 303 connected in parallel;
--- the second resistance 106, comprised of resistance impedance, or any coils containing resistance impedance, or power driven installation or device containing resistance impedance; connected in parallel with both ends of the second capacitor 104 to facilitate the discharging rate at the second capacitor 104 when the division voltage at impedance 301 drops or is interrupted; and the second resistance 106 may or may not be provided depending on the characteristics of the resistance 301 connected in parallel.
The preferred embodiment of the present invention operates as follows:
(1) With the source switch 100 is ON, DC power charges the first capacitor 102 via the impedance 301 and charges the second capacitor 104 via the second impedance 303; meanwhile, both of the impedance 301 and the second impedance 303 are subject to 100% voltage and the voltage gradually drops at the impedance 301 and the second impedance 303 due to that the charging voltage respectively at the first and the second impedances 301, 303 indicates integral curve rising status; and the first resistance 105 connected in parallel with the first capacitor 102 as well as the second resistance 106 connected in parallel with the second capacitor 106 are capable of extending the voltage drop time respectively for the impedance 301 and the second EM effect electric load 103.
(2) When the voltage of the electric load drops and gets stabilized at the series division voltage values of the impedance 301 and the second impedance 303, the amperage drops to where equal to the difference of DC source voltage less the voltage VF of the diode 200 in the same direction to be divided by the series resistance value of the impedance 301 and the second impedance 303.
(3) With the source switch 100 is OFF or during transient drop of source voltage, the first capacitor 102 discharges the first impedance 301;
and the second capacitor 104 discharges the second impedance 303 to delay the time for circuit braking The electric load selected in practice for the circuit installation of the present invention allowing full voltage activation, division voltage 1 o operation, and delayed braking may be related to a power driven load providing various of characteristics by voltage, e.g., (1) EM effect applied installation provided with excitement coil including EM braking installation, relay, EM clutch, EM switch, solenoid, EM iron, EM lock, spiral coil, etc., (2) motor, (3) excitement winding of a power generator, (4) impedance including resistance impedance, coil containing resistance impedance, or power drive installation or device containing resistance impedance; and (5) other power driven installation provided with various features by voltage. One or a plurality of same or different power driven installation may be selected from those loads described above to constitute an electric load.
In summary, the circuit configuration disclosed in the present invention for allowing full voltage activation, division voltage operation, and delayed braking gives precise function and innovative creativity;
therefore, this application for patent is duly filed accordingly.

Claims (11)

1. A circuit installation comprising:
(a) a DC power source;
(b) first and second parallel sub-circuits;
(c) the first sub-circuit having a first load, a first mid-point, and a first capacitor connected in that order between the positive and negative terminals of the DC power source;
(d) the second sub-circuit having a second capacitor, a second mid-point and a second load connected in that order between the positive and negative terminals of the DC power source; and (e) a diode connected between the first and second mid-points of the two sub-circuits, wherein a positive terminal of said first capacitor is connected to said first mid-point and a negative terminal of said second capacitor is connected to said second mid-point, and wherein said diode is arranged to allow current flow from said first mid-point to said second mid-point, wherein the first load and the second load are from the same or different power driven installations.
2. The circuit installation according to claim 1 wherein each of said first load and said second load are related to an installation for converting electromagnetic force (EM) into mechanical energy.
3. The circuit installation according to claim 1 or claim 2 further comprising a source switch for controlling both the first sub-circuit and the second sub-circuit.
4. The circuit installation according to any one of claims 1-3 wherein said circuit installation is arranged so that when said source switch is on, DC
power charges said first capacitor via the first load and said second capacitor via the second load, and wherein a charging voltage respectively at the first and the second capacitors indicates integral curve rising status.
5. The circuit installation according to claim 4 wherein, when a voltage of said first and second loads drops, an amperage drops to a value equal to a difference between a DC source voltage and the forward voltage (VF) of the diode divided by a value of resistances of the first and second loads.
6. The circuit installation according to claim 4 or claim 5 wherein, when said source switch is off, said first capacitor discharging to power said second load and said second capacitor discharging to power said first load.
7. The circuit installation according to any one of claims 1-6 wherein said first sub-circuit comprises a first resistance connected in parallel with said first capacitor and said second sub-circuit comprises a second resistance connected in parallel with said second capacitor.
8. The circuit installation according to claim 7 wherein said first and second resistances shorten a time of voltage drop at the first and second loads, respectively.
9. The circuit installation according to any one of claims 1-8 wherein said first load is an impedance.
10. The circuit installation according to any one of claims 1-9 wherein said second load is an impedance.
11. The circuit installation according to claim 9 or claim 10 wherein a time period between said source switch moving to an off position and said circuit installation becoming non-operational is regulated by said first and second resistances.
CA2626949A 2006-09-26 2008-03-25 Circuit installation capable of full voltage activation, division voltage operation and delayed braking Active CA2626949C (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US11/526,585 US7839105B2 (en) 2006-09-26 2006-09-26 Circuit installation capable of full voltage activation, division voltage operation and delayed breaking
TW96137754A TWI470397B (en) 2007-10-08 2007-10-08 Circuit installation capable of full voltage activation, division voltage operation and delayed breaking
EP07254872A EP2071425B1 (en) 2006-09-26 2007-12-14 Circuit installation capable of full voltage activation, division voltage operation and delayed breaking
AT07254872T ATE508404T1 (en) 2006-09-26 2007-12-14 CIRCUIT DEVICE WITH FULL VOLTAGE ACTIVATION, VOLTAGE DIVIDER OPERATION AND DELAYED SWITCHING CAPABILITY
DE602007014388T DE602007014388D1 (en) 2006-09-26 2007-12-14 Circuit device capable of full voltage activation, voltage divider operation and delayed switching
CN2008100858360A CN101540550B (en) 2007-10-08 2008-03-21 Circuit device with full-voltage starting, partial-voltage work and power-off delay
CA2626949A CA2626949C (en) 2006-09-26 2008-03-25 Circuit installation capable of full voltage activation, division voltage operation and delayed braking
JP2008078317A JP5302557B2 (en) 2007-10-08 2008-03-25 Full pressure starting partial pressure operation and circuit interruption delay device
KR1020080027290A KR101565160B1 (en) 2007-10-08 2008-03-25 Circuit for delaying shutdown
AU2008201386A AU2008201386B2 (en) 2006-09-26 2008-03-26 Circuit installation capable of full voltage activation, division voltage operation and delayed breaking
US12/907,194 US7911164B2 (en) 2006-09-26 2010-10-19 Circuit installation capable of full voltage activation, division voltage operation and delayed breaking

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US11/526,585 US7839105B2 (en) 2006-09-26 2006-09-26 Circuit installation capable of full voltage activation, division voltage operation and delayed breaking
TW96137754A TWI470397B (en) 2007-10-08 2007-10-08 Circuit installation capable of full voltage activation, division voltage operation and delayed breaking
EP07254872A EP2071425B1 (en) 2006-09-26 2007-12-14 Circuit installation capable of full voltage activation, division voltage operation and delayed breaking
CA2626949A CA2626949C (en) 2006-09-26 2008-03-25 Circuit installation capable of full voltage activation, division voltage operation and delayed braking
JP2008078317A JP5302557B2 (en) 2007-10-08 2008-03-25 Full pressure starting partial pressure operation and circuit interruption delay device
AU2008201386A AU2008201386B2 (en) 2006-09-26 2008-03-26 Circuit installation capable of full voltage activation, division voltage operation and delayed breaking

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CA2626949A1 CA2626949A1 (en) 2009-09-25
CA2626949C true CA2626949C (en) 2013-10-01

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CN107302248B (en) * 2017-07-14 2024-01-19 宁波锂想电子有限公司 Electric tool

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DE10001711A1 (en) * 2000-01-18 2001-07-19 Diehl Ako Stiftung Gmbh & Co Voltage stabilization circuit for load supplied with alternating current has bypass in parallel with series circuit of diode and load with switch that closes if desired load voltage exceeded

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