CN1140958C - Resonance voltage controlled power converter - Google Patents
Resonance voltage controlled power converter Download PDFInfo
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- CN1140958C CN1140958C CNB011353171A CN01135317A CN1140958C CN 1140958 C CN1140958 C CN 1140958C CN B011353171 A CNB011353171 A CN B011353171A CN 01135317 A CN01135317 A CN 01135317A CN 1140958 C CN1140958 C CN 1140958C
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Abstract
The present invention relates to a resonance voltage controlled power converter which is composed of a resonant type power conversion unit, a signal detection processor, a current type control IC circuit with double-path output and an output pulse return zero detection circuit of the current type control IC circuit with double-path output, wherein one voltage signal input terminal of the current type control IC circuit with double-path output is connected with the output terminal of the resonant type power conversion unit, the other voltage signal input terminal is connected with a predetermined output voltage reference signal to form an outer output voltage control ring; the current signal input terminal of the current type control IC circuit with double-path output is connected with the output terminal of the signal detection processor to form an inner resonance voltage control ring. The resonance voltage controlled power converter has an instantaneous control and feedforward compensatory function, and simultaneously, has the advantages of high efficiency, high reliability and low interference of a resonant type circuit. The resonance voltage controlled power converter has simple structure. Compared with the prior art, the present invention has the advantages of good stability and high reliability. The resonance voltage controlled power converter has the advantages which can not be compared with the prior art.
Description
Technical field
The present invention relates to a kind of resonance type power converter, particularly a kind of resonance voltage controlled power converter.
Background technology
In the prior art, what the resonance type power converter generally adopted all is traditional univoltage ring control technology, as shown in Figure 1, by resonance type power converting means 1 ', the resonance type power converter that error amplifier 2 ' and voltage controlled oscillator 3 ' and phase splitter 4 ' constitute, input with error amplifier 2 ' links to each other with the output of resonance type power converting means 1 ', the output of the control termination error amplifier 2 ' of voltage controlled oscillator 3 ', the output voltage control ring that the output of the input termination voltage controlled oscillator 3 ' of phase splitter 4 ' and its two output link to each other with two main switch control ends of resonance type power converting means 1 ' respectively and constitute, output voltage is compared with default output voltage reference signal, with the operating frequency of output error circuit for regulating and controlling realize exporting stable, because resonant tank itself is exactly a link that inertia is very big, little acceptant external control, very slow to the transition factor reaction that is produced in the circuit, at least need a few to tens of switch periods, when regulation and control are had an effect, the harm that the transition factor is produced may form already, intermittently, self-excitation, phenomenons such as soft switch local function forfeiture are easy to take place, the pernicious fault of " booster " class is also unavoidable, thereby causes the reliability decrease of circuit.
Summary of the invention
Technical problem to be solved by this invention is the problem that transition factor strain rate effect ability is caused circuit reliability descend that resonance type power converter of the prior art exists, and providing a kind of is that outer shroud guarantees the long-time stability exported and is that interior ring improves the resonance voltage controlled power converter of circuit to transition factor strain rate effect ability and circuit reliability with the resonance potential control ring of the instant control of setting up with traditional output voltage control ring.
The present invention solves the technical scheme that its technical problem takes: this resonance voltage controlled power converter, it returns zero testing circuit 4 by the current-mode control IC circuit output pulse of the current-mode control IC circuit 3 of resonance type power converting means 1, input processor 2, two-way output and two-way output and constitutes the reflection resonance type power converting means resonant capacitance C that input processor 2 is searched and will be searched
rOn resonance potential U
CrThe rising edge of sine wave signal and trailing edge to turn-off with current-mode control IC circuit 3 outputs of two-way output constantly be that the boundary extracts and is arranged in sawtooth waveform signal U
rTwo outputs of the current-mode control IC circuit 3 of two-way output link to each other with the input that the current-mode control IC circuit output pulse of the control end of two groups of main switches of resonance type power converting means 1 and two-way output returns zero testing circuit 4 respectively, the output that the current-mode control IC circuit output pulse of two-way output returns zero testing circuit 4 links to each other with the peripheral hardware timing element of the current-mode control IC circuit 3 of two-way output and the reseting controling end of input processor 2, and a voltage signal input of the current-mode control IC circuit 3 of two-way output links to each other with the output of resonance type power converting means 1, the default output voltage reference signal U of another voltage signal input termination
fThe outer shroud that constitutes is traditional output voltage control ring, to guarantee the long-time stability of circuit output; And the current signal input of the current-mode control IC circuit 3 of two-way output be the resonance potential control ring of controlling immediately by the interior ring that the output of input processor 2 constitutes, to improve strain rate effect ability and the circuit reliability of circuit to the transition factor, in such resonance type power converter, the current-mode control IC circuit 3 of two-way output is with the pulse information of the next half cycle of the current-mode control IC circuit that returns zero information command two-way output 3 outputs of its output pulse, and command signal measurement processor 2 resets and begins to search reflection resonance type power converting means resonant capacitance C simultaneously
rOn resonance potential U
CrThe information of the next half cycle of signal.Such resonance type power converter is worked as output voltage U
oWhen the plus or minus deviation occurring, the current-mode control IC circuit 3 of two-way output is by reducing or increase the control impuls width of control resonance type power converting means main switch work, with regulation and control resonance type power converting means resonant capacitance C
rDischarge and recharge the time, can stablize output, finish long-time stability outer shroud regulation and control to resonance type power converting means output; In circuit, produce the transition factor, make resonance type power converting means resonant capacitance C
rOn the resonance potential amplitude jump or during bust, the current-mode control IC circuit 3 of two-way output is regulated and control resonance type power converting means resonant capacitance C by reducing or increases the control impuls width of control resonance type power converting means main switch work
rDischarge and recharge the time, can eliminate the influence of transition factor, stable output, finish ring regulation and control in the instant stability of eliminating the transition factor affecting.
Above-mentioned power inverter, the also available discrete component voltage error amplifier 31 of current-mode control IC circuit 3 of two-way output, current comparator 32, trigger 34, AND circuit 35 and phase splitter 36 and oscillator 33 overlap joints constitute, oscillator 33 is made pulse signal source, the peripheral hardware timing element of the current-mode control circuit 3 of the two-way output that the peripheral hardware timing element of oscillator 33 promptly constitutes, two voltage signal inputs of the current-mode control circuit 3 that the two-way that two inputs of voltage error amplifier 31 do to constitute is exported, one input of current comparator 32 links to each other with the output of voltage error amplifier 31, the current signal input of the current-mode control circuit 3 that the two-way that another input does to constitute is exported, two inputs of trigger 34 link to each other with the output of current comparator 32 with oscillator 33 respectively, one input of AND circuit 35 connects the output of trigger 34, another input also links to each other with the output of oscillator 33, and the output of the input termination AND circuit 35 of phase splitter 36 and its two output are made two outputs of the current-mode control circuit 3 of the two-way output that constitutes.
Above-mentioned power inverter, its input processor 2 can be by searching resonance type power converting means resonant capacitance C
rThe current sampler of loop current and its latter linked rectifier, the integral transformation device that has an electronic switch constitute, the reseting controling end of the input processor 2 that the electronic switch controling end in the integral transformation device promptly constitutes is searched resonance type power converting means resonant capacitance C by current sampler
rThe resonance current signal in loop, by its latter linked rectifier rectification, the integral transformation device through having electronic switch is reduced into the sawtooth waveform signal that resonant capacitance two ends resonance potential information also forms the current-mode control IC circuital current signal input part use of being convenient to two-way output more then; Also can be by searching resonance type power converting means resonant capacitance C
rThe voltage sample device of both end voltage and its latter linked differential transform device, rectifier, the integral transformation device that has an electronic switch constitute, the reseting controling end of the input processor 2 that the electronic switch controling end in the integral transformation device promptly constitutes is searched resonance type power converting means resonant capacitance C by the voltage sample device
rOn the resonance potential signal, convert resonance type power converting means resonant capacitance C to by connecting the differential transform device thereafter then
rThe resonance current signal in loop, pass through rectifier rectification thereafter again, the integral transformation device through having electronic switch is reduced into the sawtooth waveform signal that resonant capacitance two ends resonance potential information also forms the current-mode control IC circuital current signal input part use of being convenient to two-way output again; Can also be by being connected across resonance type power converting means resonant capacitance C
rThe RC at two ends or RL differential transform device, rectifier, the integral transformation device that has an electronic switch constitute, the reseting controling end of the input processor 2 that the electronic switch controling end in the integral transformation device promptly constitutes is obtained resonance type power converting means resonant capacitance C by the differential transform device
rThe resonance current signal in loop, pass through rectifier rectification thereafter again, the integral transformation device through having electronic switch is reduced into the sawtooth waveform signal that resonant capacitance two ends resonance potential information also forms the current-mode control IC circuital current signal input part use of being convenient to two-way output again.
The above-mentioned resonance type power converting means resonant capacitance C that searches
rThe current sampler of loop current can be a string at resonance type power converting means resonant capacitance C
rThe current transducer in loop; Also can be a string at resonance type power converting means resonant capacitance C
rThe sample resistance in loop.
The above-mentioned resonance type power converting means resonant capacitance C that searches
rThe voltage sample device of both end voltage can be one to be connected on resonance type power converting means resonant capacitance C
rThe voltage coupler at two ends; Also can be one to be connected on resonance type power converting means resonant capacitance C
rThe coupling capacitance at two ends.
Above-mentioned power inverter, resonance type power converting means 1 wherein can be full-bridge, half-bridge, also can be the resonance type power converting means of push-pull configuration.
This resonance voltage controlled power converter provided by the present invention, with traditional output voltage control ring is that outer shroud guarantees the long-time stability exported and is that interior ring improves the reliability of circuit to transition factor strain rate effect ability and circuit with the resonance potential control ring of setting up, have instant control and feedforward compensating function, do not lose simultaneously resonant circuit high efficiency, high reliability, the low advantage of disturbing again, simple in structure, stability is better, reliability is higher, has the incomparable advantage of prior art.
Description of drawings
Fig. 1 is the electrical schematic diagram of existing resonance type power converter.
Fig. 2 is the theory diagram of resonance voltage controlled power converter provided by the present invention.
Fig. 3 is the resonance type power converting means resonant capacitance C of resonance voltage controlled power converter provided by the present invention
rOn the resonance potential signal waveforms (Fig. 3 a) and input output signal of processor oscillogram (Fig. 3 b).
Fig. 4 is the electrical schematic diagram of the resonance voltage controlled power converter that the embodiment of the invention provided.
Embodiment
With reference to accompanying drawing, this resonance voltage controlled power converter that the embodiment of the invention provided, it returns zero testing circuit 4 by the current-mode control IC circuit output pulse of the current-mode control IC circuit 3 of the resonance type power converting means 1 of push-pull configuration, input processor 2, two-way output and two-way output and constitutes, and input processor 2 is by searching resonance type power converting means resonant capacitance C
rThe current sampler 21 of loop current and its latter linked rectifier 22, the integral transformation device 23 that has an electronic switch constitute, and search resonance type power converting means resonant capacitance C
rThe current sampler 21 of loop current is a string at resonance type power converting means resonant capacitance C
rThe current transducer in loop, the reseting controling end of the input processor 2 that the electronic switch controling end in the integral transformation device promptly constitutes; Two outputs of the current-mode control IC circuit 3 of two-way output respectively with two main switch S of resonance type power converting means 1
1, S
2Control end and the current-mode control IC circuit output pulse of the two-way output input that returns zero testing circuit 4 link to each other, it is OR circuit that the current-mode control IC circuit output pulse of two-way output returns zero testing circuit 4, electronic switch controling end in the peripheral hardware timing element of the current-mode control IC circuit 3 of its output and two-way output and the integral transformation device 23 of input processor 2 links to each other, and a voltage signal input of the current-mode control IC circuit 3 that two-way is exported links to each other with the output of resonance type power converting means 1, the default output voltage reference signal U of another voltage signal input termination
fThe outer shroud that constitutes is traditional output voltage control ring; And the interior ring that the output of the current signal input termination input processor 2 of the current-mode control IC circuit 3 of two-way output constitutes is the resonance potential control ring of instant control.
Claims (9)
1, a kind of resonance voltage controlled power converter, current-mode control IC circuit (3) with the output of resonance type power converting means (1) two-way, it is characterized in that: it is that current-mode control IC circuit output pulse by the current-mode control IC circuit (3) of resonance type power converting means (1), input processor (2), two-way output and two-way output returns zero testing circuit (4) formation, the reflection resonance type power converting means resonant capacitance (C that input processor (2) is searched and will be searched
r) on resonance potential (U
Cr) the rising edge of sine wave signal and trailing edge to turn-off with current-mode control IC circuit (3) output of two-way output constantly be that the boundary extracts and is arranged in sawtooth waveform signal (U
r), two outputs of the current-mode control IC circuit (3) of two-way output link to each other with the input that the current-mode control IC circuit output pulse of the control end of two groups of main switches of resonance type power converting means (1) and two-way output returns zero testing circuit (4) respectively, the output that the current-mode control IC circuit output pulse of two-way output returns zero testing circuit (4) links to each other with the peripheral hardware timing element of the current-mode control IC circuit (3) of two-way output and the reseting controling end of input processor (2), and a voltage signal input of the current-mode control IC circuit (3) of two-way output links to each other with the output of resonance type power converting means (1), the default output voltage reference signal (U of another voltage signal input termination
f) outer shroud that constitutes is traditional output voltage control ring; And the interior ring that the output of the current signal input termination input processor (2) of the current-mode control IC circuit (3) of two-way output constitutes is the resonance potential control ring of instant control.
2, resonance voltage controlled power converter according to claim 1, it is characterized in that: the current-mode control IC circuit (3) of its two-way output is with discrete component voltage error amplifier (31), current comparator (32), trigger (34), AND circuit (35) and phase splitter (36) and oscillator (33) overlap joint constitute, oscillator (33) is made pulse signal source, the peripheral hardware timing element of the current-mode control circuit (3) of the two-way output that the peripheral hardware timing element of oscillator (33) promptly constitutes, two voltage signal inputs of the current-mode control circuit (3) that the two-way that two inputs of voltage error amplifier (31) do to constitute is exported, one input of current comparator (32) links to each other with the output of voltage error amplifier (31), the current signal input of the current-mode control circuit (3) that the two-way that another input does to constitute is exported, two inputs of trigger (34) link to each other with the output of current comparator (32) with oscillator (33) respectively, one input of AND circuit (35) connects the output of trigger (34), another input also links to each other with the output of oscillator (33), and the output of the input termination AND circuit (35) of phase splitter (36) and its two output are made two outputs of the current-mode control circuit (3) of the two-way output that constitutes.
3, resonance voltage controlled power converter according to claim 1 and 2 is characterized in that: its input processor (2) is by searching resonance type power converting means resonant capacitance (C
r) loop current current sampler (21) and its latter linked rectifier (22), have that the integral transformation device (23) of electronic switch constitutes, the reseting controling end of the input processor (2) that the electronic switch controling end in the integral transformation device promptly constitutes.
4, resonance voltage controlled power converter according to claim 3 is characterized in that: it searches resonance type power converting means resonant capacitance (C
r) current sampler of loop current is a string at resonance type power converting means resonant capacitance (C
r) current transducer in loop.
5, resonance voltage controlled power converter according to claim 1 and 2 is characterized in that: its input processor (2) is by searching resonance type power converting means resonant capacitance (C
r) the voltage sample device of both end voltage and its latter linked differential transform device, rectifier, have that the integral transformation device of electronic switch constitutes, the reseting controling end of the input processor (2) that the electronic switch controling end in the integral transformation device promptly constitutes.
6, resonance voltage controlled power converter according to claim 5 is characterized in that: it searches resonance type power converting means resonant capacitance (C
r) the voltage sample device of both end voltage is one by at resonance type power converting means resonant capacitance (C
r) the voltage coupler at two ends.
7, resonance voltage controlled power converter according to claim 1 and 2 is characterized in that: its input processor (2) is by being connected across resonance type power converting means resonant capacitance (C
r) two ends RC differential transform device, rectifier, have that the integral transformation device of electronic switch constitutes, the reseting controling end of the input processor (2) that the electronic switch controling end in the integral transformation device promptly constitutes.
8, resonance voltage controlled power converter according to claim 1 and 2 is characterized in that: its input processor (2) is by being connected across resonance type power converting means resonant capacitance (C
r) two ends RL differential transform device, rectifier, have that the integral transformation device of electronic switch constitutes, the reseting controling end of the input processor (2) that the electronic switch controling end in the integral transformation device promptly constitutes.
9, resonance voltage controlled power converter according to claim 1 is characterized in that: it is an OR circuit that the current-mode control IC circuit output pulse of its two-way output returns zero testing circuit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011353171A CN1140958C (en) | 2001-09-23 | 2001-09-23 | Resonance voltage controlled power converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011353171A CN1140958C (en) | 2001-09-23 | 2001-09-23 | Resonance voltage controlled power converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1347192A CN1347192A (en) | 2002-05-01 |
| CN1140958C true CN1140958C (en) | 2004-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011353171A Expired - Lifetime CN1140958C (en) | 2001-09-23 | 2001-09-23 | Resonance voltage controlled power converter |
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| Country | Link |
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| CN (1) | CN1140958C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100454733C (en) * | 2004-08-14 | 2009-01-21 | 燕山大学 | Series (parallel) resonance ring energy transient valve direct control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2339734A1 (en) * | 2009-12-28 | 2011-06-29 | STMicroelectronics S.r.l. | Charge-mode control device for a resonant converter |
| IT1397087B1 (en) * | 2009-12-28 | 2012-12-28 | St Microelectronics Srl | CONTROL DEVICE IN CHARGE CONTROL MODE FOR A RESONANT CONVERTER. |
| CN102307008A (en) * | 2011-09-16 | 2012-01-04 | 石家庄通合电子有限公司 | Single-stage active power factor correction circuit |
| JP6062556B2 (en) | 2012-08-31 | 2017-01-18 | アルフレッド イー． マン ファウンデーション フォー サイエンティフィック リサーチ | Feedback control coil driver for inductive power transfer |
| CN102931445B (en) * | 2012-11-09 | 2016-06-08 | 杭州奥蒂电控有限公司 | A kind of intrasonic composite pulse current intelligent digital charge method |
| CN109980941B (en) * | 2019-03-20 | 2021-04-13 | 深圳市皓文电子有限公司 | Switch control unit of LCC resonant DCDC converter and converter |
| CN117420348A (en) * | 2023-12-19 | 2024-01-19 | 江苏巧思科技有限公司 | Resonant current detection circuit |
-
2001
- 2001-09-23 CN CNB011353171A patent/CN1140958C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100454733C (en) * | 2004-08-14 | 2009-01-21 | 燕山大学 | Series (parallel) resonance ring energy transient valve direct control method |
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| Publication number | Publication date |
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| CN1347192A (en) | 2002-05-01 |
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| PB01 | Publication | ||
| AR01 | Abandonment of patent right to avoid double patenting |
According to article 9 of the patent law and article 13 of the detailed rules for the implementation of the patent law: 1135317.1 of the invention patents in this issue as a notice of authorization, and at the same time corresponding to the 1263965.6 utility model patent to be given up, and in the 20 volume of the 9 issue of the new type of communique on the patent right to abandon the announcement. |
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Owner name: SHIJIAZHUANG TONHE ELECTRONICS TECHNOLOGIES CO., L Free format text: FORMER NAME: TONGHE ELECTRONIC CO., LTD, SHIJIAZHUANG |
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| CP03 | Change of name, title or address |
Address after: 050000, building 12, Tianshan Science Park, 319 Xiangjiang Road, Shijiazhuang hi tech Development Zone, Hebei Patentee after: Shijiazhuang Tonhe Electronics Technologies Co., Ltd. Address before: 050000 No. 53 East Yuhua Road, Hebei, Shijiazhuang Patentee before: Tonghe Electronic Co., Ltd, Shijiazhuang |
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Granted publication date: 20040303 |
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| CX01 | Expiry of patent term |