CN201000583Y - Voltage stabilizer for providing energy by AC power supply - Google Patents

Voltage stabilizer for providing energy by AC power supply Download PDF

Info

Publication number
CN201000583Y
CN201000583Y CNU2006201231254U CN200620123125U CN201000583Y CN 201000583 Y CN201000583 Y CN 201000583Y CN U2006201231254 U CNU2006201231254 U CN U2006201231254U CN 200620123125 U CN200620123125 U CN 200620123125U CN 201000583 Y CN201000583 Y CN 201000583Y
Authority
CN
China
Prior art keywords
voltage
power supply
switch
coupled
energy
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
Application number
CNU2006201231254U
Other languages
Chinese (zh)
Inventor
杨大勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fairchild Taiwan Corp
Original Assignee
System General Corp Taiwan
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by System General Corp Taiwan filed Critical System General Corp Taiwan
Priority to CNU2006201231254U priority Critical patent/CN201000583Y/en
Application granted granted Critical
Publication of CN201000583Y publication Critical patent/CN201000583Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to a high efficiency voltage stabilizer used for generating a regulating output voltage from an alternating current power supply. The utility model comprises a switch, the switch is coupled with a voltage source, and provides a supply voltage from the alternating current power supply; and an input detection circuit coupled with the voltage source, and cuts off the switch when the voltage level of the voltage source is higher than a critical voltage; and an output detection circuit coupled with the supply voltage, and cut off the switch when the voltage level of the supply voltage is higher than a high output voltage level, and the switch is only on state when the voltage level of the voltage source is lower than the critical voltage, and the voltage level of the supply voltage is lower than a lag level.

Description

Provide the Voltagre regulator of energy in order to exchange power supply certainly
Technical field
The utility model relates to a kind of power supply changeover device, and being meant especially a kind ofly provides the Voltagre regulator of energy in order to exchange power supply certainly.
Background technology
See also Fig. 1, it is the circuit diagram of conventional voltage voltage stabilizer.As shown in the figure, Voltagre regulator is used for from a line voltage (line voltage) V ACProvide one to adjust voltage V ZOne rectification circuit 10, it includes plural rectifier and is coupled to line voltage V ACAnd provide rectification to produce an input voltage V INOne electric capacity 11, it is coupled to rectification circuit 10 and receives this input voltage V INAnd couple an electric capacity 15, adjust voltage V to produce ZOne Zener diode 16, it is coupled to electric capacity 15 and earth terminal and adjusts being used for.One resistance 12, it is used for electric capacity 11 discharges.This kind conventional voltage voltage stabilizer has been widely used in home devices, for example coffee machine, cooling fan and telepilot etc.Yet this kind conventional voltage voltage stabilizer has the shortcoming of high power loss, particularly under underload and no-load condition.Above-mentioned resistance 12 can cause significant power attenuation with Zener diode 16.Must reduce power attenuation in order to save power supply.
Therefore, the utility model promptly provides a kind of high efficiency Voltagre regulator at the problems referred to above, adjusts voltage to produce one from an AC power, effectively to address the above problem.
The utility model content
Fundamental purpose of the present utility model is to provide a kind of in order to exchanging power supply certainly and provide the Voltagre regulator of energy, its cpable of lowering power loss and save power supply, and then raise the efficiency.
The purpose of this utility model and solve its technical matters and realize by the following technical solutions.Provide the Voltagre regulator of energy according to what the utility model proposes in order to exchange power supply certainly, it includes a switch, and switch is used to receive a voltage source so that the output terminal of a supply voltage to Voltagre regulator to be provided; One input circuit for detecting, it is coupled to voltage source and produces a controlling signal according to the voltage quasi position of voltage source, and controlling signal is used for when the voltage quasi position of voltage source is higher than a critical voltage by this switch; One output circuit for detecting, it is coupled to supply voltage and produces one first enable signal and one second enable signal according to the voltage quasi position of supplying voltage, when the voltage quasi position of supply voltage is higher than the accurate position of a high output voltage, this first enable signal is by this switch, and switch just is switched in the time of only can being lower than a sluggish accurate position at the voltage quasi position of the voltage quasi position subcritical voltage of voltage source and supply voltage.Second enable signal is used for closing voltage stabilizer when the voltage quasi position of supply voltage is lower than the accurate position of a low output voltage.Voltage stabilizer is coupled to supply voltage and adjusts output voltage to produce one.
The purpose of this utility model and solve its technical matters and also adopt following technical measures further to realize.
Aforesaidly provide the voltage stabilizer of energy in order to exchange power supply certainly, wherein this output circuit for detecting includes a sluggish accurate position that produces this first enable signal, when the voltage quasi position of this supply voltage is lower than a sluggish standard position, this first enable signal is sent to this switch, this switch conduction, the accurate position of this high output voltage is higher than the accurate position of this sluggishness, and the accurate position of this sluggishness is higher than the accurate position of this low output voltage.
Aforesaidly provide the voltage stabilizer of energy in order to exchange power supply certainly, wherein this voltage source is coupled to an AC power via plural rectifier.
Aforesaidly provide the voltage stabilizer of energy in order to exchange power supply certainly, wherein this input circuit for detecting is coupled to this voltage source via a bleeder circuit.
The purpose of this utility model and solve its technical matters and also adopt following technical measures further to realize.Provide the voltage stabilizer of energy according to what the utility model proposes in order to exchange power supply certainly, it includes: a switch couples a voltage source and a supply voltage is provided; One output circuit for detecting is coupled to this supply voltage and produces one first enable signal according to the voltage quasi position of this supply voltage; Wherein, when the voltage quasi position of this supply voltage was higher than high output voltage standard position, this first enable signal was sent to this switch, and this switch ends.
Aforesaid in order to exchange power supply certainly and provide the voltage stabilizer of energy, this first enable signal this switch of conducting when the voltage quasi position of this supply voltage is lower than a sluggish accurate position wherein, the accurate position of this high output voltage is higher than the accurate position of this sluggishness.
Aforesaidly provide the voltage stabilizer of energy in order to exchange power supply certainly, wherein more include a voltage stabilizer, it is coupled to this supply voltage and produces one adjusts output voltage.
Aforesaid in order to exchange power supply certainly and provide the voltage stabilizer of energy, wherein this output circuit for detecting produces one second enable signal and is sent to this voltage stabilizer when the voltage quasi position of this supply voltage is lower than the accurate position of a low output voltage, and this voltage stabilizer cuts out.This voltage source is coupled to an AC power via plural rectifier.
Aforesaidly provide the voltage stabilizer of energy, wherein more include an input circuit for detecting in order to exchange power supply certainly, its couple this voltage source and when the voltage quasi position of this voltage source is higher than a critical voltage by this switch.
Aforesaidly provide the voltage stabilizer of energy in order to exchange power supply certainly, wherein this input circuit for detecting is coupled to this voltage source via a bleeder circuit.
The purpose of this utility model and solve its technical matters and also adopt following technical measures further to realize.Provide the voltage stabilizer of energy according to what the utility model proposes in order to exchange power supply certainly, it includes: a switch couples a voltage source and a supply voltage is provided; One input circuit for detecting couples this voltage source, when the voltage quasi position of this voltage source is lower than a critical voltage, and this this switch of input circuit for detecting conducting.
Aforesaidly provide the voltage stabilizer of energy in order to exchange power supply certainly, wherein more include a voltage stabilizer, it is coupled to this supply voltage and produces one adjusts output voltage.
Aforesaidly provide the voltage stabilizer of energy in order to exchange power supply certainly, wherein this voltage source is coupled to an AC power via plural rectifier.
Aforesaidly provide the voltage stabilizer of energy in order to exchange power supply certainly, wherein this input circuit for detecting produces a controlling signal according to the voltage quasi position of this voltage source, when the voltage quasi position of this voltage source is lower than this critical voltage, and this this switch of controlling signal conducting.
Aforesaidly provide the voltage stabilizer of energy in order to exchange power supply certainly, wherein this input circuit for detecting is coupled to this voltage source via a bleeder circuit.
Aforesaidly provide the voltage stabilizer of energy in order to exchange power supply certainly, wherein more include an output circuit for detecting, it is coupled to this supply voltage, and ends this switch when the voltage quasi position of this supply voltage is higher than accurate an of high output voltage.
The beneficial effects of the utility model are: a kind ofly provide the Voltagre regulator of energy in order to exchange power supply certainly according to described in the utility model, can reduce power attenuation, save power supply, and then raise the efficiency.
Description of drawings
Fig. 1 is the circuit diagram of conventional voltage voltage stabilizer;
Fig. 2 is the circuit diagram of a preferred embodiment of Voltagre regulator of the present utility model;
Fig. 3 is the circuit diagram of a preferred embodiment of the supply circuit of Voltagre regulator of the present utility model;
Fig. 4 is the circuit diagram of a preferred embodiment of the output circuit for detecting of supply circuit of the present utility model;
Fig. 5 is the circuit diagram of another preferred embodiment of Voltagre regulator of the present utility model;
Fig. 6 is the oscillogram of input voltage of the Voltagre regulator of the utility model Fig. 5;
Fig. 7 is the circuit diagram of a preferred embodiment of supply circuit of the Voltagre regulator of the utility model Fig. 5;
Fig. 8 is the circuit diagram of a preferred embodiment of output circuit for detecting of the supply circuit of the utility model Fig. 7; And
Fig. 9 is the circuit diagram of a preferred embodiment of the voltage stabilizer of supply circuit of the present utility model.
The figure number explanation:
10 rectification circuits, 11 electric capacity
12 resistance, 15 electric capacity
16 Zener diodes, 20 supply circuits
30 supply circuits, 40 bleeder circuits
41 resistance, 42 resistance
50 electric capacity, 55 electric capacity
60 switches, 75 input circuit for detecting
100 output circuit for detecting, 110 Zener diodes
112 Zener diodes, 115 resistance
116 resistance, 117 resistance
120 electric crystals, 125 electric crystals
129 phase inverters, 140 electric crystals
150 Zener diodes, 155 resistance
156 resistance, 165 electric crystals
170 electric crystals, 200 output circuit for detecting
210 Zener diodes, 212 Zener diodes
215 resistance, 216 resistance
217 resistance, 220 electric crystals
225 electric crystal 229 or locks
240 electric crystals, 250 Zener diodes
255 resistance, 256 resistance
265 electric crystals, 270 electric crystals
300 voltage stabilizer operational amplifiers, 320 transfer elements
351 resistance, 352 resistance
The CNT input end EN second activation end
GND earth terminal IN input end
V ACLine voltage V CSupply voltage
V INInput voltage V OAdjust output voltage
V REFReference voltage V TCritical voltage
V ZAdjust voltage OUT second output terminal
The OV first activation end SW first output terminal
S ENThe second enable signal S OVFirst enable signal
The DET sense terminal
Embodiment
For making the auditor further understanding and understanding more be arranged to architectural feature of the present utility model and the effect reached, sincerely help with preferred embodiment figure and cooperate detailed explanation, illustrate as after.
See also Fig. 2, it is the circuit diagram of Voltagre regulator of the present utility model.Rectification circuit 10, it includes plural rectifier and is coupled to an input end IN of a supply circuit 20 and receives line voltage V AC, to produce input voltage V INAnd be sent to the input end IN of supply circuit 20.Above-mentioned line voltage V ACBe an AC power, and input voltage V INBe a voltage source, input voltage V INVia rectification circuit 10 rectifications.Supply circuit 20 produces a supply voltage V at one first output terminal SW C, supply circuit 20 can produce one at one second output terminal OUT in addition and adjust output voltage V OOne earth terminal GND of supply circuit 20 is coupled to ground connection.One electric capacity 50, it is coupled to the first output terminal SW to keep energy.In addition, more there is an electric capacity 55 to be coupled to the second output terminal OUT.Above-mentioned Voltagre regulator also is called a voltage-regulating circuit or is a power supply circuit.
See also Fig. 3, it is the circuit diagram of a preferred embodiment of the supply circuit 20 of Voltagre regulator.Supply circuit 20 includes a switch 60, and it is coupled to input end IN and receives input voltage V IN, so that this supply voltage V to be provided CTo the first output terminal SW.One output circuit for detecting 100, it is coupled to the first output terminal SW, is used for detecting supply voltage V C, with foundation supply voltage V CVoltage quasi position and output circuit for detecting 100 one first activation end OV produce one first enable signal S OVThe first enable signal S OVBe to be used in supply voltage V CVoltage quasi position cutoff switch 60 when being higher than the accurate position of a high output voltage.In addition, output circuit for detecting 100 is more according to supply voltage V CVoltage quasi position, and output circuit for detecting 100 one second activation end EN produce one second enable signal S ENThe second enable signal S ENBe sent to a voltage stabilizer 300, to supply voltage V CVoltage quasi position when being lower than the accurate position of a low output voltage, close voltage stabilizer 300.Voltage stabilizer 300, it is coupled in the first output terminal SW and receives supply voltage V C, to produce this adjustment output voltage V OAnd be sent to the second output terminal OUT.
See also Fig. 4, it is the circuit diagram of a preferred embodiment of output circuit for detecting 100 of the present utility model.As shown in the figure, Zener diode the 110, the 112nd, series connection.Zener diode 112 more is coupled to the first output terminal SW, with detecting supply voltage V CZener diode 110 is coupled to a resistance 115, and resistance 115 more is coupled to an electric crystal 120.Resistance 115 is used at supply voltage V CVoltage quasi position conducting electric crystal 120 when being higher than the voltage of Zener diode 110,112.One electric crystal 125, it is parallel to Zener diode 112.When electric crystal 120 conductings, electric crystal 125 just reaches a sluggishness (hysteresis) purpose with short circuit Zener diode 112, with detecting supply voltage V CWhether too high.The checking of Zener diode 110,112 received voltage and determined the accurate position of this high output voltage.The checking of Zener diode 112 received voltage and determined a sluggish accurate position of this sluggishness.As supply voltage V CVoltage quasi position when being lower than sluggish accurate position, the first enable signal S OVWith actuating switch 60.
One electric crystal 140, it is coupled to the electric crystal 120 and the first output terminal SW.Electric crystal 140 conducting along with electric crystal 120 conductings.One resistance 116, it is coupled to the first output terminal SW, electric crystal 125,140, and provides one to be biased into electric crystal 125,140.One resistance 117, it is coupled to an electric crystal 140 and a phase inverter 129, and being used at electric crystal 120 conductings time control phase inverter 129, phase inverter 129 is coupled to electric crystal 140.In addition, phase inverter 129 more is coupled to switch 60, to supply voltage V CVoltage quasi position when being higher than the accurate position of this high output voltage, produce the first enable signal S OVAnd cutoff switch 60.
One Zener diode 150, it also is coupled to the first output terminal SW with detecting supply voltage V COne resistance 155, it is coupled to a Zener diode 150 and an electric crystal 165, in case supply voltage V CVoltage quasi position conducting electric crystal 165 then when being higher than the accurate position of this low output voltage.It is the accurate position of this low output voltage of decision that the checking of Zener diode 150 received voltage.One resistance 156, it is coupled to the first output terminal SW and an electric crystal 170.Electric crystal 170 more is coupled to the first output terminal SW and electric crystal 165, and electric crystal 170 is at supply voltage V CVoltage quasi position produce the second enable signal S when being lower than the accurate position of low output voltage ENThe voltage quasi position of the accurate position of high output voltage is to be higher than sluggish accurate position, and the voltage quasi position of sluggish accurate position is to be higher than the accurate position of low output voltage.
See also Fig. 5, it is the circuit diagram of another preferred embodiment of Voltagre regulator of the present utility model.The control that this embodiment is coupled to a supply circuit 30 of rectification circuit 10 is to be synchronized with line voltage V ACThe input of supply circuit 30 only can be at input voltage V INBe switched on when being lower than an input critical voltage, so can reduce the handoff loss of switch 60 and the efficient of promoting Voltagre regulator.
See also Fig. 6, it is input voltage V INOscillogram.As input voltage V INBe lower than a critical voltage V TThe time, input voltage V INCan be sent to the first output terminal SW.Critical voltage V TRelevant with the input critical voltage.Supply circuit 30 includes a sense terminal DET, and it couples input voltage V via a bleeder circuit 40 INBleeder circuit 40 includes resistance 41,42, resistance the 41, the 42nd, mutual series connection.
See also Fig. 7, it is the circuit diagram of a preferred embodiment of the supply circuit 30 of Fig. 5 Voltagre regulator.As shown in the figure, supply circuit 30 includes switch 60, and it is coupled to input end IN and receives input voltage V IN, so that this supply voltage V to be provided at the first output terminal SW CAbove-mentioned input voltage V INBe voltage source.One input circuit for detecting 75, the one positive input terminal is coupled to sense terminal DET and detects input voltage V via bleeder circuit 40 IN, and according to input voltage V INVoltage quasi position produce a controlling signal.Controlling signal is sent to an input end CNT of an output circuit for detecting 200, with at input voltage V INVoltage quasi position be higher than critical voltage V TThe time cutoff switch 60.Input circuit for detecting 75 includes this critical voltage V T, critical voltage V TRelevant with the input critical voltage.Critical voltage V TBe coupled to a negative input end of input circuit for detecting 75.
Output circuit for detecting 200, it is coupled to the first output terminal SW with detecting supply voltage V C, and then according to supply voltage V CVoltage quasi position and produce the first enable signal S at the first activation end OV OVThe first enable signal S OVBe to be sent to switch 60, to supply voltage V CVoltage quasi position cutoff switch 60 when being higher than the accurate position of this high output voltage.In addition, output circuit for detecting 200 is more according to supply voltage V CVoltage quasi position produce the second enable signal S at the second activation end EN ENThe second enable signal S ENBe sent to voltage stabilizer 300, to supply voltage V CVoltage quasi position close voltage stabilizer 30 when being lower than the accurate position of this low output voltage.Voltage stabilizer 300 is coupled to the second output terminal OUT.
See also Fig. 8, it is the circuit diagram of a preferred embodiment of output circuit for detecting 200 of the supply circuit 30 of the utility model Fig. 7.As shown in the figure, Zener diode the 210, the 212nd, series connection.Zener diode 212 more is coupled to the first output terminal SW, with detecting supply voltage V CZener diode 210 is coupled to a resistance 215, and resistance 215 more is coupled to an electric crystal 220.Resistance 215 is used at supply voltage V CVoltage quasi position conducting electric crystal 220 when being higher than the voltage of Zener diode 210,212.One electric crystal 225, it is parallel to Zener diode 212, with short circuit Zener diode 212 when electric crystal 220 conductings, just reaches sluggish (hysteresis) purpose, with detecting supply voltage V CWhether too high.The checking of Zener diode 210,212 received voltage and determined the accurate position of this high output voltage.The checking of Zener diode 212 received voltage and determined the sluggish accurate position of this sluggishness.As supply voltage V CVoltage quasi position when being lower than sluggish accurate position, the first enable signal S OVWith actuating switch 60.
One electric crystal 240, it is coupled to the electric crystal 220 and the first output terminal SW.Electric crystal 240 conducting along with electric crystal 220 conductings.One resistance 216, it is coupled to the first output terminal SW, electric crystal 225,240, and provides one to be biased into electric crystal 225,240.One resistance 217, it is coupled to an input end of an electric crystal 240 and an anti-or lock 229, and to be used for the anti-or lock 229 of control when electric crystal 220 conductings, another input end anti-or lock 229 is coupled to the input end CNT of output circuit for detecting 200, to receive controlling signal.One output terminal anti-or lock 229 is coupled to switch 60, to supply voltage V CVoltage quasi position be higher than accurate position of this high output voltage or input voltage V INVoltage quasi position be higher than this critical voltage V TThe time, produce the first enable signal S OVAnd cutoff switch 60.
One Zener diode 250, it also is coupled to the first output terminal SW with detecting supply voltage V COne resistance 255, it is coupled to a Zener diode 250 and an electric crystal 265, in case supply voltage V CVoltage quasi position conducting electric crystal 265 then when being higher than the accurate position of this low output voltage.It is the accurate position of this low output voltage of decision that the checking of Zener diode 250 received voltage.One resistance 256, it is coupled to the first output terminal SW and an electric crystal 270.Electric crystal 270 more is coupled to the first output terminal SW and electric crystal 265, and electric crystal 270 is at supply voltage V CVoltage quasi position produce the second enable signal S when being lower than the accurate position of low output voltage ENThe voltage quasi position of the accurate position of high output voltage is to be higher than sluggish accurate position, and the voltage quasi position of sluggish accurate position is to be higher than the accurate position of low output voltage.
See also Fig. 9, it is the circuit diagram of voltage stabilizer 300 of the present utility model.As shown in the figure, it includes an operational amplifier 310, a transfer element 320 and resistance 351,352.Operational amplifier 310, it includes a reference voltage V REF, reference voltage V REFBe coupled to a negative input end of operational amplifier 310.Resistance 352, it is coupled to a positive input terminal of operational amplifier 310.The second enable signal S ENBe sent to operational amplifier 310, allow operational amplifier 310 operate so that power supply to operational amplifier 310 to be provided.Transfer element 320, it is coupled to operational amplifier 310, the first output terminal SW and the second output terminal OUT.In case, the second enable signal S ENDuring forbidden energy, operational amplifier 310 and transfer element 320 be forbidden energy thereupon also.Resistance 351, it is coupled to positive input terminal, transfer element 320 and the second output terminal OUT of operational amplifier 310.Transfer element 320 can be electric crystal.
The above, it only is the utility model one preferred embodiment, be not to be used for limiting the scope that the utility model is implemented, so the equalization of doing according to the described shape of the utility model claim scope, structure, feature and spirit changes and modifies such as, all should be included in the interest field of the present utility model.

Claims (17)

1, a kind ofly provide the Voltagre regulator of energy, it is characterized in that it includes in order to exchange power supply certainly:
One switch couples a voltage source and a supply voltage is provided;
One input circuit for detecting couples this voltage source and produces a controlling signal according to the voltage quasi position of this voltage source;
One output circuit for detecting is coupled to this supply voltage and produces one first enable signal and one second enable signal according to the voltage quasi position of this supply voltage;
One voltage stabilizer couples this supply voltage and produces one and adjusts output voltage;
Wherein, when the voltage quasi position of this voltage source is higher than a critical voltage, this controlling signal is by this switch, when the voltage quasi position of this supply voltage is higher than the accurate position of a high output voltage, this first enable signal is sent to this switch, this switch ends, and this second enable signal is closed this voltage stabilizer when the voltage quasi position of this supply voltage is lower than the accurate position of a low output voltage.
2, as claimed in claim 1ly provide the Voltagre regulator of energy in order to exchange power supply certainly, it is characterized in that, this output circuit for detecting includes a sluggish accurate position that produces this first enable signal, when the voltage quasi position of this supply voltage is lower than a sluggish standard position, this first enable signal is sent to this switch, this switch conduction, the accurate position of this high output voltage is higher than the accurate position of this sluggishness, and the accurate position of this sluggishness is higher than the accurate position of this low output voltage.
3, as claimed in claim 1ly provide the Voltagre regulator of energy, it is characterized in that this voltage source is coupled to an AC power via plural rectifier in order to exchange power supply certainly.
4, as claimed in claim 1ly provide the Voltagre regulator of energy, it is characterized in that this input circuit for detecting is coupled to this voltage source via a bleeder circuit in order to exchange power supply certainly.
5, a kind ofly provide the Voltagre regulator of energy, it is characterized in that it includes in order to exchange power supply certainly:
One switch couples a voltage source and a supply voltage is provided;
One output circuit for detecting is coupled to this supply voltage and produces one first enable signal according to the voltage quasi position of this supply voltage;
Wherein, when the voltage quasi position of this supply voltage was higher than high output voltage standard position, this first enable signal was sent to this switch, and this switch ends.
6, as claimed in claim 5ly provide the Voltagre regulator of energy in order to exchange power supply certainly, it is characterized in that, this switch of conducting when this first enable signal is lower than a sluggish standard position at the voltage quasi position of this supply voltage, the accurate position of this high output voltage is higher than accurate of this sluggishness.
7, as claimed in claim 5ly provide the Voltagre regulator of energy in order to exchange power supply certainly, it is characterized in that, more include a voltage stabilizer, it is coupled to this supply voltage and produces one adjusts output voltage.
8, as claimed in claim 7ly provide the Voltagre regulator of energy in order to exchange power supply certainly, it is characterized in that, when this output circuit for detecting is lower than the accurate position of a low output voltage at the voltage quasi position of this supply voltage, produces one second enable signal and be sent to this voltage stabilizer, this voltage stabilizer cuts out.
9, as claimed in claim 5ly provide the Voltagre regulator of energy, it is characterized in that this voltage source is coupled to an AC power via plural rectifier in order to exchange power supply certainly.
10, as claimed in claim 5ly provide the Voltagre regulator of energy, it is characterized in that, more include an input circuit for detecting in order to exchange power supply certainly, its couple this voltage source and when the voltage quasi position of this voltage source is higher than a critical voltage by this switch.
11, as claimed in claim 10ly provide the Voltagre regulator of energy, it is characterized in that this input circuit for detecting is coupled to this voltage source via a bleeder circuit in order to exchange power supply certainly.
12, a kind ofly provide the Voltagre regulator of energy, it is characterized in that it includes in order to exchange power supply certainly:
One switch couples a voltage source and a supply voltage is provided;
One input circuit for detecting couples this voltage source, when the voltage quasi position of this voltage source is lower than a critical voltage, and this this switch of input circuit for detecting conducting.
13, as claimed in claim 12ly provide the Voltagre regulator of energy in order to exchange power supply certainly, it is characterized in that, more include a voltage stabilizer, it is coupled to this supply voltage and produces one adjusts output voltage.
14, as claimed in claim 12ly provide the Voltagre regulator of energy, it is characterized in that this voltage source is coupled to an AC power via plural rectifier in order to exchange power supply certainly.
15, as claimed in claim 12ly provide the Voltagre regulator of energy in order to exchange power supply certainly, it is characterized in that, this input circuit for detecting produces a controlling signal according to the voltage quasi position of this voltage source, when the voltage quasi position of this voltage source is lower than this critical voltage, and this this switch of controlling signal conducting.
16, as claimed in claim 12ly provide the Voltagre regulator of energy, it is characterized in that this input circuit for detecting is coupled to this voltage source via a bleeder circuit in order to exchange power supply certainly.
17, as claimed in claim 12ly provide the Voltagre regulator of energy in order to exchange power supply certainly, it is characterized in that, more include an output circuit for detecting, it is coupled to this supply voltage, and ends this switch when the voltage quasi position of this supply voltage is higher than the accurate position of a high output voltage.
CNU2006201231254U 2006-08-07 2006-08-07 Voltage stabilizer for providing energy by AC power supply Expired - Fee Related CN201000583Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2006201231254U CN201000583Y (en) 2006-08-07 2006-08-07 Voltage stabilizer for providing energy by AC power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2006201231254U CN201000583Y (en) 2006-08-07 2006-08-07 Voltage stabilizer for providing energy by AC power supply

Publications (1)

Publication Number Publication Date
CN201000583Y true CN201000583Y (en) 2008-01-02

Family

ID=39014987

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2006201231254U Expired - Fee Related CN201000583Y (en) 2006-08-07 2006-08-07 Voltage stabilizer for providing energy by AC power supply

Country Status (1)

Country Link
CN (1) CN201000583Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102594162A (en) * 2011-01-13 2012-07-18 华硕电脑股份有限公司 Power supply device and power supply control method thereof
CN105867501A (en) * 2016-05-16 2016-08-17 周玉林 Human-body-induction-kitchen-ventilator power-socket controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102594162A (en) * 2011-01-13 2012-07-18 华硕电脑股份有限公司 Power supply device and power supply control method thereof
CN105867501A (en) * 2016-05-16 2016-08-17 周玉林 Human-body-induction-kitchen-ventilator power-socket controller

Similar Documents

Publication Publication Date Title
CN102484448B (en) Variable coil configuration system, apparatus and method
CN201256282Y (en) High stability output overvoltage protection circuit
US20090185402A1 (en) standby circuit with super low power consumption
CN104348370A (en) Power conversion module, power supply apparatus and power supply method
CN115561560B (en) Pure hardware implementation control circuit and control method for power device aging test
CN101846967A (en) Embedded standby energy-saving method and device
CN104917411A (en) AC-DC control chip of single-stage high power factor correction (PFC) and switching power supply circuit
CN201000583Y (en) Voltage stabilizer for providing energy by AC power supply
CN102778849B (en) Switching on and shutting down control circuit, electronic equipment and on-off control method
CN1908842B (en) Voltage stabilizer for energy supply from AC power source
CN103692058B (en) With the soft-start circuit of power factor correction circuit inverter type welder
CN101162387A (en) Energy-saving control circuit
CN102064518A (en) High-sensitivity current measurement and control device
CN206146994U (en) Self -adaption sampling circuit, controller and power supply changeover device
CN201011557Y (en) AC to DC power supply circuit
CN102734541B (en) High-magnetic potential starting and low-magnetic potential maintaining type solenoid valve control module
CN100476676C (en) AC to DC voltage stabilizer
CN107123967A (en) A kind of IGCT thermal protection circuit
CN204376717U (en) Dummy load control circuit and inverse-excitation type switch power-supply circuit
CN201004192Y (en) Voltage stabilizer for AC to DC
CN101986511B (en) Power supply control circuit
WO2016165451A1 (en) Fault protection method for phase-shifted full-bridge converter using isolation transformer gate drive
US11146062B2 (en) Method and apparatus for improving PV module fill factor using a voltage clamping circuit
CN101726649B (en) Signal detection circuit, emergency power switching device and emergency light
CN207819548U (en) A kind of universal automatic transfer switching electric appliance controller

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee