CN1180328C - Control method of electronic power source voltage stabilizer and its apparatus - Google Patents
Control method of electronic power source voltage stabilizer and its apparatus Download PDFInfo
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- CN1180328C CN1180328C CNB011419482A CN01141948A CN1180328C CN 1180328 C CN1180328 C CN 1180328C CN B011419482 A CNB011419482 A CN B011419482A CN 01141948 A CN01141948 A CN 01141948A CN 1180328 C CN1180328 C CN 1180328C
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Abstract
The present invention provides a control method and a device for an electronic power supply voltage stabilizer, which is applied to an electronic power supply voltage stabilizer. The electronic power supply voltage stabilizer is electrically connected to an input power supply which provides input voltage, and electronic power supply voltage stabilizer has an output end which provides output voltage; the electronic power supply voltage stabilizer comprises DC-Bus voltage; when the output voltage is abnormal, an electric energy converter switches and outputs the electric energy of the DC-Bus voltage through an output switch circuit by using a switch control method to provide voltage to stabilize the output voltage. The switch control method comprises the following steps that a phase difference between the voltage and the input voltage is made, and a product value of the voltage and the output current of the output end is a positive value.
Description
Technical field
The present invention relates to a kind of control method and device of electronic power source voltage stabilizer, finger is applied to control method and the device in the electronic power source voltage stabilizer especially.
Background technology
Seeing also Figure 1A, is the circuit block diagram of known isolated form mechanical type power regulator.Shown in Figure 1A, this isolated form mechanical type power regulator 1 comprises an isolated form transformer 11, a relay switch 12 and an input voltage detection circuit 13.This isolated form mechanical type power regulator 1 utilizes this input voltage detection circuit 13 to detect an input voltage, size according to this input voltage, this input voltage detection circuit 13 is sent this relay switch 12 of a start trigger signal, utilize a coil ratio of this this isolated form transformer 11 of relay switch 12 conversion, so that a stable output voltage to be provided.
Seeing also Figure 1B, is the circuit block diagram of known non-isolation type mechanical type power regulator.Shown in Figure 1B, this non-isolation type mechanical type power regulator 2 comprises a non-isolation type transformer 21, a relay switch 22 and an input voltage detection circuit 23.This non-isolation type mechanical type power regulator 2 also utilizes this input voltage detection circuit 23 to detect an input voltage, size according to this input voltage, this input voltage detection circuit 23 is sent this relay switch 22 of a start trigger signal, utilize a coil ratio of this this non-isolation type transformer 21 of relay switch 22 conversion, so that a stable output voltage to be provided.
According to as can be known above-mentioned, these mechanical type power regulators 1,2 all are to utilize the coil ratio conversion to carry out voltage stabilizing, so the power regulator of type has following several shortcomings: the system responses of (1) these mechanical type power regulators is slow and its output voltage regulation is higher; (2) these mechanical type power regulators cause these power regulator power densities on the low side because need to use a bulky transformer; And the voltage swing that primary winding bore of (3) these mechanical type power regulator transformers, no matter be that isolated form or non-isolation type all must be the line voltage grade.
Seeing also Fig. 2 A, is the circuit diagram of known first electronic power source voltage stabilizer.Shown in Fig. 2 A, the electronic circuit that this first electronic power source voltage stabilizer 3 is made up of at least one electronic switch 31, at least one resistance 32, at least one electric capacity 33 and at least one inductance 34, and utilize the high-frequency electronic handoff technique that one burning voltage is provided.
Seeing also Fig. 2 B, is the circuit diagram of known second electronic power source voltage stabilizer.Shown in Fig. 2 B, the electronic circuit that this second electronic power source voltage stabilizer 4 is made up of at least one electronic switch 41, at least one resistance 42, at least one electric capacity 43 and at least one inductance 44, and utilize the high-frequency electronic handoff technique that one burning voltage is provided.
These electronic power source voltage stabilizers all are that power electric crystal is used in series connection in main power flow path, and have following several shortcomings: (1) causes system's running efficiency on the low side; And (2) these electronic power source voltage stabilizers, it is anti-phase that voltage-phase is gone in output, can't design the output of these electronic power source voltage stabilizers and a bypass (bypass) path of an input end, causes system dependability decline problem.
Summary of the invention
The invention reside in control method and device that a kind of electronic power source voltage stabilizer is provided, finger is applied to control method and the device in the electronic power source voltage stabilizer especially.
First purpose of the present invention is to provide a kind of control method of electronic power source voltage stabilizer, it is applied in the electronic power source voltage stabilizer, this electronic power source voltage stabilizer electrically connects an input power supply, this input power supply provides an input voltage, and this electronic power source voltage stabilizer has an output terminal, one output voltage is provided, this electronic power source voltage stabilizer comprises a direct current bus voltage (DC-Busvoltage), when this output voltage is lower than a predetermined value, utilize one to switch the electric energy process switching output of control method with this dc bus voltage, one voltage is provided, replenish the deficiency of this output voltage, when this output voltage is higher than a predetermined value, with the electric energy conversion output of this dc bus voltage, to reduce this output voltage; This method for handover control comprises the following step: (a) this dc bus voltage is detected, produce one first signal according to the size of this dc bus voltage; (b) this first signal is produced a secondary signal through DC voltage adjustment conversion; (c) this input voltage is detected, produce one the 3rd signal according to the size of this input voltage; (d) through a phase-locked phase place that obtains the 3rd signal, this phase transition is produced one first phase signal; (e) these first phase signal translation, 90 degree are produced one second phase signal; (f) with this secondary signal and this second phase signal mutually product produce one the 4th signal; (g) this output voltage is detected, produce one the 5th signal according to the size of this output voltage; (h) through this AC-DC conversion, the 5th conversion of signals is produced one the 6th signal; (i) the 6th signal is produced one the 7th signal through DC voltage adjustment conversion; (j) with this first phase signal and long-pending one the 8th signal that produces of the 7th signal multiplication; (k) the 4th signal and the 8th signal plus are produced an order trace signals; (1) this order trace signals and the 5th signal are compared adjustment and compensation, produce a trigger pip; And (m) with this trigger pip conversion generation one pulse-width modulation (PWM) trigger pip, the electric energy of this dc bus voltage is exported through switching, this voltage is provided, and this voltage and this input voltage have a phase differential, a product value of an output current of this voltage and this output terminal be one on the occasion of.
According to above-mentioned conception, wherein this electronic power source voltage stabilizer more comprises an energy converter, and it is electrically connected this input power supply, and this energy converter provides this dc bus voltage.
According to above-mentioned conception, wherein this energy converter more comprises an output switch circuit, and this output switch circuit is electrically connected this dc bus voltage, the electric energy of this dc bus voltage is switched output, when this output voltage is unusual, this voltage is provided, stablize this output voltage.
According to above-mentioned conception, wherein this electronic power source voltage stabilizer more comprises a transformer, this transformer comprises a primary coil and a level coil, one first end of this primary coil is electrically connected with an output terminal of this energy converter, and one second end of this primary coil is electrically connected with one second end of this output terminal, one first end of this secondary coil is electrically connected with one first end of this output terminal, and one second end of this secondary coil is electrically connected with one first end of this input end, as a variable voltage source, when this output voltage is unusual, this voltage is provided, stablizes this output voltage.
According to above-mentioned conception, wherein this output current is a load current.
Second purpose of the present invention is to provide a kind of control method of electronic power source voltage stabilizer, it is applied in the electronic power source voltage stabilizer, this electronic power source voltage stabilizer is electrically connected an input power supply, this input power supply provides an input voltage, and this electronic power source voltage stabilizer has an output terminal, one output voltage is provided, this electronic power source voltage stabilizer comprises a direct current bus voltage, when this output voltage is lower than a predetermined value, utilize one to switch the electric energy process switching output of control method with this dc bus voltage, replenish the deficiency of this output voltage, when this output voltage is higher than a predetermined value, with the electric energy conversion output of this dc bus voltage, to reduce this output voltage; This method for handover control comprises the following step: (a) make this voltage and this input voltage have a phase differential; (b) make a product value of an output current of this voltage and this output terminal be one on the occasion of.
According to above-mentioned conception, wherein this electronic power source voltage stabilizer more comprises an energy converter, and it is electrically connected this input power supply, and this energy converter provides this dc bus voltage.
According to above-mentioned conception, wherein this energy converter more comprises an output switch circuit, and this output switch circuit is electrically connected this dc bus voltage, the electric energy of this dc bus voltage is switched output, when this output voltage is unusual, this voltage is provided, stablize this output voltage.
According to above-mentioned conception, wherein this electronic power source voltage stabilizer more comprises a transformer, this transformer comprises a primary coil and a level coil, one first end of this primary coil is electrically connected with an output terminal of this energy converter, and one second end of this primary coil is electrically connected with one second end of this output terminal, one first end of this secondary coil is electrically connected with one first end of this output terminal, and one second end of this secondary coil is electrically connected with one first end of this input end, as a variable voltage source, when this output voltage is unusual, this voltage is provided, stablizes this output voltage.
According to above-mentioned conception, wherein this output current is a load current.
The 3rd purpose of the present invention is to provide a kind of electronic power source voltage stabilizer, it is electrically connected an input power supply, this input power supply provides an input voltage, and this electronic power source voltage stabilizer tool one output terminal, it provides an output voltage, this electronic power source voltage stabilizer comprises: an energy converter, it is electrically connected this input power supply, this energy converter provides a direct current bus voltage (DC-Bus voltage), when this output voltage is lower than a predetermined value, this energy converter is exported the electric energy of this dc bus voltage through switching, a voltage is provided, and replenishes the deficiency of this output voltage, when this output voltage is higher than a predetermined value, electric energy conversion output with this dc bus voltage provides this voltage, reduces this output voltage; One transformer, comprise a primary coil and a level coil, one first end of this primary coil is electrically connected with an output terminal of this energy converter, and one second end of this primary coil is electrically connected with one second end of this output terminal, one first end of this secondary coil is electrically connected with one first end of this output terminal, and one second end of this secondary coil is electrically connected with one first end of this input end, as a variable voltage source; And one switch control device, and it is electrically connected this energy converter, a product value that makes this voltage and this input voltage have an output current of a phase differential and this voltage and this output terminal be one on the occasion of.
According to above-mentioned conception, wherein this energy converter more comprises an output switch circuit, and this output switch circuit is electrically connected this dc bus voltage, the electric energy of this dc bus voltage is switched output, when this output voltage is unusual, this voltage is provided, stablize this output voltage.
According to above-mentioned conception, wherein this switching control is one group of magnitude of voltage and one group of phase value of obtaining this input voltage, this output voltage and this dc bus voltage by feedback, according to this group magnitude of voltage and this group phase value, produce a pulse-width modulation (PWM) trigger pip, switch this dc bus voltage through this output switch circuit, this voltage is provided, when output voltage is unusual, this output voltage is compensated.
According to above-mentioned conception, this switching control comprises: a direct current bus voltage detecting unit, and it is electrically connected this dc bus voltage, and this dc bus voltage is carried out voltage detecting, produces one first signal according to the size of this dc bus voltage; One first DC voltage adjustment unit, it is electrically connected this dc bus voltage detecting unit, changes generation one secondary signal according to this first signal of big young pathbreaker of this first signal through the DC voltage adjustment; One input voltage detecting unit, it is electrically connected this input power supply, and this input voltage is detected, and produces one the 3rd signal according to the size of this input voltage; One phase-locked loop unit, it is electrically connected this input voltage detecting unit, and this phase-locked loop unit of process is obtained a phase place of the 3rd signal, and this phase transition is produced one first phase signal; One phase shift circuit units, it is electrically connected this phase-locked loop unit, and this phase shift circuit units produces one second phase signal with these first phase signal translation, 90 degree; One first multiplication unit, it is electrically connected an output terminal of this first DC voltage adjustment unit and an output terminal of this phase shift circuit units, this first multiplication unit with this secondary signal and this second phase signal mutually product produce one the 4th signal; One output voltage detecting unit, it is electrically connected this output voltage, and this output voltage detecting unit detects this output voltage, produces one the 5th signal according to the size and the phase place of this output voltage; One AC-DC converting unit, it is electrically connected this output voltage detecting unit, and the 5th signal is produced one the 6th signal through the AC-DC conversion; One second DC voltage adjustment unit, it is electrically connected an output terminal of this AC-DC converting unit, according to the size of the 6th signal, the 6th signal DC voltage adjustment conversion is produced one the 7th signal; One second multiplication unit, it is electrically connected an output terminal of this phase shift circuit units and an output terminal of this AC-DC converting unit, and this second multiplication unit is with this first phase signal and long-pending one the 8th signal that produces of the 7th signal multiplication; One adder unit, it is electrically connected an output terminal of this first multiplication unit and an output terminal of this second multiplication unit, through this adder unit the 4th signal and the 8th signal plus is produced an order trace signals; One exchanges order Tracing Control unit, its be electrically connected this adder unit-output terminal of output terminal and this output voltage detecting unit, this interchange orders Tracing Control unit that this order trace signals and the 5th signal are compared, and produces a trigger pip; And pulse-width modulation (PWM) generation unit, it is electrically connected an output terminal of this interchange order Tracing Control unit, through this pulse-width modulation generation unit this trigger pip conversion is produced a pulse-width modulation (PWM) trigger pip, this pulse-width modulation trigger pip triggers switches this output switch circuit, the electric energy of this dc bus voltage is switched output through this output switch circuit, this voltage is provided, stablizes this output voltage.
According to above-mentioned conception, wherein this first signal is a direct current signal.
According to above-mentioned conception, wherein this secondary signal is a direct current signal.
According to above-mentioned conception, wherein the 3rd signal is a direct current signal.
According to above-mentioned conception, wherein the 4th signal is an AC signal.
According to above-mentioned conception, wherein the 5th signal is an AC signal.
According to above-mentioned conception, wherein the 6th signal is a direct current signal.
According to above-mentioned conception, wherein the 7th signal is a direct current signal.
According to above-mentioned conception, wherein the 8th signal is an AC signal.
According to above-mentioned conception, wherein this order trace signals is an AC signal.
Below be described in detail as follows with regard to most preferred embodiment of the present invention by accompanying drawing.
Description of drawings
Figure 1A is the circuit block diagram of known isolated form mechanical type power regulator.
Figure 1B is the circuit block diagram of known non-isolation type mechanical type power regulator.
Fig. 2 A is the circuit diagram of known first electronic power source voltage stabilizer.
Fig. 2 B is the circuit diagram of known second electronic power source voltage stabilizer.
Fig. 3 is the circuit diagram of the electronic power source voltage stabilizer of preferred embodiment of the present invention.
Fig. 4 is the circuit block diagram of switching control of the electronic power source voltage stabilizer of preferred embodiment of the present invention.
Fig. 5 is the control calcspar of the electronic power source voltage stabilizer of preferred embodiment of the present invention.
Embodiment
Seeing also Fig. 3, is the circuit diagram of the electronic power source voltage stabilizer of preferred embodiment of the present invention.As shown in Figure 3, a kind of electronic power source voltage stabilizer 5, it is electrically connected an input power supply, and this input power supply provides an input voltage V
In, and this electronic power source voltage stabilizer 5 has an output terminal, and an output voltage V is provided
OutThis electronic power source voltage stabilizer 5 comprises: an energy converter 51, a transformer 52 and switch control device 53.This energy converter 51 is electrically connected this input power supply V
In, this energy converter 51 comprises a direct current bus voltage (DC-Bus voltage) V
Dc-bus, when this output voltage V
OutWhen being lower than a predetermined value, this energy converter 51 is with this dc bus voltage V
Dc-busElectric energy switch output through an output switch circuit 511, a voltage is provided, replenish the deficiency of this output voltage, when this output voltage is higher than a predetermined value, with this dc bus voltage V
Dc-busElectric energy conversion output, to reduce this output voltage V
OutThis transformer 52, comprise a primary coil 521 and a level coil 522, one first end of this primary coil 521 is electrically connected with an output terminal of this energy converter 51, and one second end of this primary coil 521 is electrically connected with one second end of this output terminal, one first end of this secondary coil 522 is electrically connected with one first end of this output terminal, and one second end of this secondary coil 522 is electrically connected with one first end of this input end, as a variable voltage source.And this switching control 53 is electrically connected this energy converter 51, obtains this input voltage V by feedback
In, this output voltage V
OutAnd this dc bus voltage V
Dc-busOne group of magnitude of voltage and one group of phase value, according to this group magnitude of voltage and this group phase value, produce a pulse-width modulation (PWM) trigger pip, switch this dc bus voltage through this output switch circuit 511, provide this voltage, when output voltage is unusual, to this output voltage V
OutCompensate.
Seeing also Fig. 4, is the circuit block diagram of switching control of the electronic power source voltage stabilizer of preferred embodiment of the present invention.This switching control 53 comprises: a direct current bus voltage detecting unit 531, one first DC voltage adjustment unit 532, one input voltage detecting unit 533, one phase-locked loop unit 534, one phase shift circuit units 535, one first multiplication unit 536, one output voltage detecting unit 537, one AC-DC converting unit 538, one second DC voltage adjustment unit 539, one second multiplication unit 540, one adder unit 541, one exchanges an order Tracing Control unit 542 and pulse-width modulation (PWM) generation unit 543.
This dc bus voltage detecting unit 531 is to be electrically connected this dc bus voltage V
Dc-bus, to this dc bus voltage V
Dc-busCarry out voltage detecting, according to this dc bus voltage V
Dc-busSize produce one first signal S
1This first DC voltage adjustment unit 532, it is electrically connected this dc bus voltage detecting unit 531, according to this first signal S
1This first signal of big young pathbreaker S
1Produce a secondary signal S through DC voltage adjustment conversion
2This input voltage detecting unit 533, it is electrically connected this input power supply, to this input voltage V
InDetect, according to this input voltage V
InSize produce one the 3rd signal S
3This phase-locked loop unit 534 is electrically connected this input voltage detecting unit 533, obtains the 3rd signal S through this phase-locked loop unit 534
3A phase place, this phase transition is produced one first phase signal θ
1This phase shift circuit units 535, it is electrically connected this phase-locked loop unit 534, and this phase shift circuit units 535 is with this first phase signal θ
1Translation 90 degree produce one second phase signal θ
2This first multiplication unit 536 is electrically connected an output terminal of this first DC voltage adjustment unit 532 and an output terminal of this phase shift circuit units 535, and this first multiplication unit 536 is with this secondary signal S
2With this second phase signal θ
2The phase product produces one the 4th signal S
4This output voltage detecting unit 537 is electrically connected this output voltage V
Out, 537 pairs of these output voltage V of this output voltage detecting unit
OutDetect, according to this output voltage V
OutSize and phase place produce one the 5th signal S
5This AC-DC converting unit 538 is electrically connected this output voltage detecting unit 537, with the 5th signal S
5Produce one the 6th signal S through the AC-DC conversion
6This second DC voltage adjustment unit 539 is electrically connected an output terminal of this AC-DC converting unit 538, according to the 6th signal S
6Size, with the 6th signal S
6DC voltage adjustment conversion produces one the 7th signal S
7This second multiplication unit 540 is electrically connected an output terminal of this phase-locked loop unit 534 and an output terminal of this second DC voltage adjustment unit 539, and this second multiplication unit 540 is with this first phase signal θ
1With the 7th signal S
7The phase product produces one the 8th signal S
8This adder unit 541 is electrically connected an output terminal of this first multiplication unit 536 and an output terminal of this second multiplication unit 540, and this adder unit 541 of process is with the 4th signal S
4With the 8th signal S
8Addition produces an order trace signals S
9This exchanges order Tracing Control unit 542, is electrically connected an output terminal of this adder unit 541 and an output terminal of this output voltage detecting unit 537, and this exchanges 542 pairs of order Tracing Control unit should order trace signals S
9With the 5th signal S
5Compare and adjust and compensation, produce a trigger pip S
10And this pulse-width modulation (PWM) generation unit 543 is electrically connected the output terminal that Tracing Control unit 542 is ordered in this interchange, and this pulse-width modulation generation unit 543 of process is with this trigger pip S
1Conversion produces a pulse-width modulation (PWM) trigger pip S
11, this pulse-width modulation trigger pip triggers switches this output switch circuit 511 (as shown in Figure 3), with this dc bus voltage V
Dc-busElectric energy switch output through this output switch circuit 511, this voltage is provided, stablize this output voltage.
Wherein, this voltage and this input voltage V
InHave a phase differential, the product value that makes an output current of this voltage and this output terminal be one on the occasion of.
Seeing also Fig. 5, is the control calcspar of the electronic power source voltage stabilizer of preferred embodiment of the present invention.As shown in Figure 5, an electronic power source voltage stabilizer method for handover control of the present invention comprises the following step: (a) to this dc bus voltage V
Dc-busDetect, according to this dc bus voltage V
Dc-busSize produce one first signal S
1(b) to this first signal S
1Produce a secondary signal S through DC voltage adjustment conversion
2(c) to this input voltage V
InDetect, according to this input voltage V
InSize produce one the 3rd signal S
3(d) through phase-locked the 3rd signal S that obtains
3A phase place, this phase transition is produced one first phase signal θ
1(e) with this first phase signal θ
1Translation 90 degree produce one second phase signal θ
2(f) with this secondary signal S
2With this second phase signal θ
2The phase product produces one the 4th signal S
4(g) to this output voltage V
OutDetect, according to this output voltage V
OutSize produce one the 5th signal S
5(h) through this AC-DC conversion, with the 5th signal S
5Conversion produces one the 6th signal S
6(i) with the 6th signal S
6Produce one the 7th signal S through DC voltage adjustment conversion
7(j) with this first phase signal θ
1With the 7th signal S
7The phase product produces one the 8th signal S
8(1) with the 4th signal S
4With the 8th signal S
8Addition produces an order trace signals S
9(m) to this order trace signals S
9With the 5th signal S
5Compare adjustment, produce a trigger pip S
10And (n) with this trigger pip S
10Conversion produces a pulse-width modulation (PWM) trigger pip S
11, with this dc bus voltage V
Dc-busElectric energy switch output through this, provide this voltage, and this voltage and this input voltage V
InHave a phase differential, and a product value of an output current of this voltage and this output terminal be one on the occasion of.
In sum, the present invention can provide a kind of control method and device of electronic power source voltage stabilizer, have following several advantages: (1) is by the change of circuit structure, reduce an employed low-frequency transformer number of windings in the device, and reduced this volume of transformer, improve the power density of total system.(2) traditional mechanical type power regulator transformer primary winding bears voltage, no matter be all the line voltage grade for isolated form or non-isolation type, yet when using electronic power source voltage stabilizer of the present invention, the primary winding of its transformer bears voltage and then only is (rated voltage adjustment number percent) * (line voltage), for example: suppose that line voltage is 120V, electronic power source voltage stabilizer voltage stabilizing scope of design of the present invention is line voltage ± 20%, and it is 120 * 20%=24V that then required use transformer coil bears voltage.(3) the present invention adopts the electric energy conversion regime of high voltage direct current chain, installs the main power flow path power transistor of not flowing through, thus can significantly improve the heat dissipation problems in the device, and improve the complete machine running efficiency.(4) the present invention gives up traditional mechanical voltage regulation way, develops novel current transformer high frequency handoff technique, and then can carry out definite value control to output voltage, strengthens whole voltage regulation result.(5) output of the present invention and input voltage can be not anti-phase; so can be in the inner design that adds output, input endpoint bypass (bypass) path of device; but the self-protection of this bypass path generator shutdown maintenance, operation exception is used, and therefore can improve system dependability.(6) control method of the present invention comprises and utilizes three groups of Voltage Feedback point (V
In, V
Out, V
Dc-bus), civil power genlock loop (PLL) and phase shift loop, also comprise two groups of direct current regulators (DC regulator) and multiplier in addition, two groups of multiplication result additions produce the output command trace signals and use for DC-AC adjuster (ACregulator), and further obtain pulse-width modulation (PWM) trigger pip.This control technology is characterized as the order trace signals that produces by homophase multiplying signal and the addition of phase shift multiplying signal can guarantee new equipment normal operation under any its load form.So the present invention has the value of industrial practicality really.
The present invention can be thought and is to modify the protection domain of right neither disengaging claim of the present invention as all by the personage Ren Shi craftsman who knows this technology.
Claims (12)
1. the control method of an electronic power source voltage stabilizer, it is applied in the electronic power source voltage stabilizer, this electronic power source voltage stabilizer is electrically connected an input power supply, this input power supply provides an input voltage, and this electronic power source voltage stabilizer has an output terminal, one output voltage is provided, this electronic power source voltage stabilizer comprises a direct current bus voltage, when this output voltage is lower than a predetermined value, utilize one to switch the electric energy process switching output of control method with this dc bus voltage, a voltage is provided, replenish the deficiency of this output voltage, when this output voltage is higher than a predetermined value, with the electric energy conversion output of this dc bus voltage, to reduce this output voltage; It is characterized in that this method for handover control comprises the following step:
Described dc bus voltage is detected, produce one first signal according to the size of described dc bus voltage;
This first signal is produced a secondary signal through DC voltage adjustment conversion;
This input voltage is detected, produce one the 3rd signal according to the size of described input voltage;
Through a phase-locked phase place that obtains described the 3rd signal, this phase transition is produced one first phase signal;
The described first phase signal translation, 90 degree are produced one second phase signal;
With described secondary signal and this second phase signal mutually product produce one the 4th signal;
Described output voltage is detected, produce one the 5th signal according to the size of described output voltage;
Through this AC-DC conversion, described the 5th conversion of signals is produced one the 6th signal;
The 6th signal is produced one the 7th signal through DC voltage adjustment conversion;
With described first phase signal and long-pending one the 8th signal that produces of described the 7th signal multiplication;
Described the 4th signal and described the 8th signal plus are produced an order trace signals;
Described order trace signals and described the 5th signal are compared adjustment and compensation, produce a trigger pip; And
Described trigger pip conversion is produced a pulse-width modulation trigger pip, the electric energy of described dc bus voltage is switched output through this, provide this voltage, and this voltage and described input voltage have a phase differential, and a product value of an output current of this voltage and this output terminal be one on the occasion of.
2. the control method of electronic power source voltage stabilizer as claimed in claim 1 is characterized in that described electronic power source voltage stabilizer more comprises an energy converter, and it is electrically connected this input power supply, and this energy converter provides described dc bus voltage.
3. the control method of electronic power source voltage stabilizer as claimed in claim 2, it is characterized in that this energy converter more comprises an output switch circuit, this output switch circuit is electrically connected this dc bus voltage, the electric energy of this dc bus voltage is switched output, when this output voltage is unusual, this voltage is provided, stablizes this output voltage.
4. the control method of electronic power source voltage stabilizer as claimed in claim 1, it is characterized in that described electronic power source voltage stabilizer more comprises a transformer, this transformer comprises a primary coil and a level coil, one first end of this primary coil is electrically connected with an output terminal of this energy converter, and one second end of this primary coil is electrically connected with one second end of this output terminal, one first end of this secondary coil is electrically connected with one first end of this output terminal, and one second end of this secondary coil is electrically connected with one first end of this input end, as a variable voltage source, when this output voltage is unusual, this voltage is provided, stablizes this output voltage.
5. as the control method of claim 4 a described electronic power source voltage stabilizer, wherein this output current is a load current.
6. electronic power source voltage stabilizer, it is electrically connected an input power supply, and this input power supply provides an input voltage, and this electronic power source voltage stabilizer has an output terminal, and it provides an output voltage, and this electronic power source voltage stabilizer comprises:
One energy converter, it is electrically connected this input power supply, this energy converter provides a direct current bus voltage, and when this output voltage was lower than a predetermined value, this energy converter was exported the electric energy of this dc bus voltage via switching, one voltage is provided, replenish the deficiency of this output voltage, when this output voltage is higher than a predetermined value, with the electric energy conversion output of this dc bus voltage, this voltage is provided, reduces this output voltage;
One transformer, comprise a primary coil and a level coil, one first end of this primary coil is electrically connected with an output terminal of this energy converter, and one second end of this primary coil is electrically connected with one second end of this output terminal, one first end of this secondary coil is electrically connected with one first end of this output terminal, and one second end of this secondary coil is electrically connected with one first end of this input end, as a variable voltage source; And
One switches control device, it is electrically connected this energy converter, a product value that makes this voltage and this input voltage have an output current of a phase differential and this voltage and this output terminal be one on the occasion of, this switching control comprises: a direct current bus voltage detecting unit, it is electrically connected this dc bus voltage, this dc bus voltage is carried out voltage detecting, produce one first signal according to the size of this dc bus voltage; One first DC voltage adjustment unit, it is electrically connected this dc bus voltage detecting unit, changes generation one secondary signal according to this first signal of big young pathbreaker of this first signal through the DC voltage adjustment; One input voltage detecting unit, it is electrically connected this input power supply, and this input voltage is detected, and produces one the 3rd signal according to the size of this input voltage; One phase-locked loop unit, it is electrically connected this input voltage detecting unit, and this phase-locked loop unit of process is obtained a phase place of the 3rd signal, and this phase transition is produced one first phase signal; One phase shift circuit units, it is electrically connected this phase-locked loop unit, and this phase shift circuit units produces one second phase signal with these first phase signal translation, 90 degree; One first multiplication unit, it is electrically connected an output terminal of this first DC voltage adjustment unit and an output terminal of this phase shift circuit units, this first multiplication unit with this secondary signal and this second phase signal mutually product produce one the 4th signal; One output voltage detecting unit, it is electrically connected this output voltage, and this output voltage detecting unit detects this output voltage, produces one the 5th signal according to the size and the phase place of this output voltage; One AC-DC converting unit, it is electrically connected this output voltage detecting unit, and the 5th signal is produced one the 6th signal through the AC-DC conversion; One second DC voltage adjustment unit, it is electrically connected an output terminal of this AC-DC converting unit, according to the size of the 6th signal, the 6th signal DC voltage adjustment conversion is produced one the 7th signal; One second multiplication unit, it is electrically connected an output terminal of this phase-locked loop unit and an output terminal of this second DC voltage adjustment unit, and this second multiplication unit is with this first phase signal and long-pending one the 8th signal that produces of the 7th signal multiplication; One adder unit, it is electrically connected an output terminal of this first multiplication unit and an output terminal of this second multiplication unit, through this adder unit the 4th signal and the 8th signal plus is produced an order trace signals; One exchanges order Tracing Control unit, and it is electrically connected an output terminal of this adder unit and an output terminal of this output voltage detecting unit, and this interchange order Tracing Control unit compares this order trace signals and the 5th signal, produces a trigger pip; An and pulse-width modulation generation unit, it is electrically connected an output terminal of this interchange order Tracing Control unit, through this pulse-width modulation generation unit this trigger pip conversion is produced a pulse-width modulation trigger pip, this pulse-width modulation trigger pip triggers switches this output switch circuit, the electric energy of this dc bus voltage is switched output through this output switch circuit, this voltage is provided, stablizes this output voltage.
7. electronic power source voltage stabilizer as claimed in claim 6, wherein this energy converter more comprises an output switch circuit, this output switch circuit is electrically connected this dc bus voltage, the electric energy of this dc bus voltage is switched output, when this output voltage is unusual, this voltage is provided, stablizes this output voltage.
8. electronic power source voltage stabilizer as claimed in claim 7, it is characterized in that this switching control obtains one group of magnitude of voltage and one group of phase value of this input voltage, this output voltage and this dc bus voltage by feedback, according to this group magnitude of voltage and this group phase value, produce a pulse-width modulation trigger pip, switch this dc bus voltage through this output switch circuit, this voltage is provided, when output voltage is unusual, this output voltage is compensated.
9. electronic power source voltage stabilizer as claimed in claim 6 is characterized in that this first signal or this secondary signal or the 3rd signal are a direct current signal.
10. electronic power source voltage stabilizer as claimed in claim 6 is characterized in that the 4th signal or the 5th signal or the 6th signal are a direct current signal.
11. electronic power source voltage stabilizer as claimed in claim 6 it is characterized in that the 7th signal is a direct current signal, and the 8th signal is an AC signal.
12. electronic power source voltage stabilizer as claimed in claim 6 is characterized in that this order trace signals is an AC signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011419482A CN1180328C (en) | 2001-09-25 | 2001-09-25 | Control method of electronic power source voltage stabilizer and its apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011419482A CN1180328C (en) | 2001-09-25 | 2001-09-25 | Control method of electronic power source voltage stabilizer and its apparatus |
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| Publication Number | Publication Date |
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| CN1410857A CN1410857A (en) | 2003-04-16 |
| CN1180328C true CN1180328C (en) | 2004-12-15 |
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| CNB011419482A Expired - Fee Related CN1180328C (en) | 2001-09-25 | 2001-09-25 | Control method of electronic power source voltage stabilizer and its apparatus |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7088598B2 (en) * | 2004-04-02 | 2006-08-08 | System General Corp. | Power-mode control circuitry for power converters |
| JP4358674B2 (en) * | 2004-04-23 | 2009-11-04 | 株式会社山武 | Control method |
| CN101769948B (en) * | 2009-01-05 | 2012-02-29 | 金宝电子（中国）有限公司 | Power supply device of test equipment |
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