CN205212705U - Many windings are established ties to turn over and are swashed formula extra high voltage output wide region adjustable power module - Google Patents
Many windings are established ties to turn over and are swashed formula extra high voltage output wide region adjustable power module Download PDFInfo
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- CN205212705U CN205212705U CN201520722761.8U CN201520722761U CN205212705U CN 205212705 U CN205212705 U CN 205212705U CN 201520722761 U CN201520722761 U CN 201520722761U CN 205212705 U CN205212705 U CN 205212705U
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Abstract
The utility model discloses a many windings are established ties to turn over and are swashed formula extra high voltage output wide region adjustable power module, including switch tube, transformer, PWM control chip, filter circuit, rectifier circuit and feedback and protection circuit. Power module adopts integrated integrated design, and DCDC converter power circuit adopts a set of winding of steady voltage, the multiunit winding many windings serial -type flyback converter that forms that establishes ties, and every winding is established ties after the overcommutation post -filter is established ties mutually among many windings serial -type flyback converter, and wherein a set of winding be the steady voltage winding, and all the other windings pass through the turn ratio between the transformer secondary, realize exporting superhigh pressure DC1000V, realize that overall output voltage DC800V~DC1000V is adjustable, have small modularized design and output extra high voltage DC800V~DC1000V adjustable characteristics.
Description
Technical field
The utility model relates to a kind of converter, specifically, relates to a kind of Multiple coil series connection inverse-excitation type extra-high pressure and exports Wide-Range Adjustable PWM module.
Background technology
High voltage out-put supply module be usually used in very important occasion, and there is irreplaceable effect.
Along with the developed countries such as the U.S. military high voltage out-put supply module is by the transformation of " customized formula " buying to " goods-shelf type " procurement method, facilitate high voltage out-put supply module to standardization and modularization future development, make high voltage out-put supply module be used widely in military fields such as the particularly space flight of the fields such as the energy, traffic, communication, aviation, armament systems and military industrial technologies and make it apply the more and more important of change.
PICO company of the U.S. is the main supplier of global high voltage out-put supply module.Its high voltage out-put supply building block technique level is high, has defined the commercial product system of seriation, standardization and commodity price.
In recent years the U.S. is because political needs are to the policy of the export restrictions of army grade supply convertor, have impact on the progress of the big event of these high voltage out-put supply modules of domestic use and the war preparedness supportability of country.This just requires domesticly to be domesticized as early as possible, so not only can reduce import charges, improves Project-developing progress, also can improve the level of domestic power supply product, and can promote the development of domestic military and space cause, ensure national war preparedness strength.
Utility model content
A kind of Multiple coil series connection inverse-excitation type extra-high pressure that the utility model designs to solve the problems of the technologies described above just exports Wide-Range Adjustable PWM module.
The utility model solves the technical scheme that its technical problem adopts:
A kind of Multiple coil series connection inverse-excitation type extra-high pressure exports Wide-Range Adjustable PWM module, comprises switching tube V1, transformer T, pwm control circuit, input filter capacitor C1, output filter capacitor C11, C14, C15, C18, C19, C22, C23 and C26, rectifier diode V3, V9 ~ V14, filter inductance L1 ~ L4, feedback and overvoltage crowbar and current foldback circuit; It is characterized in that:
DC power supply is connected with input filter capacitor C1, transformer T different name section is connected with the drain electrode of switching tube V1, the source electrode of switching tube V1 is connected with the output negative terminal of input filter capacitor C1, the grid of switching tube V1 is connected with the control end of PWM chip, the secondary of transformer T is Multiple coil tandem, winding 1 fault offset that transformer T stores through rectifier diode V3 by winding 1 is gone out, winding 1 loop is loop of voltage regulation, loop of voltage regulation consist of resistance R13 ~ R21, fiducial chip V7, optocoupler V8 and PWM chip, principle is: its reference voltage of fiducial chip V7 is 2.5V, divider resistance R16, R17, R18, reference resistance is R21, reference voltage due to reference resistance two ends is 2.5V, by the resistance proportionate relationship between divider resistance and reference resistance, setting winding 1 output voltage is DC28V, when power module output voltage is higher than the output voltage 28V set, the inner conducting of the fiducial chip TL431 be connected with optocoupler output, realize the conducting of optocoupler internal body diodes, internal illumination controls the triode operation state of optocoupler another section inner, the feedback end of the collector electrode connection control chip of the inner triode of optocoupler, emitter connection control chip ground, when power module output voltage is lower than the output voltage set, the inner conducting of the fiducial chip TL431 be connected with optocoupler output, optocoupler does not work, and so circulation goes down to achieve closed loop feedback, has set up the general principle of power module voltage stabilizing.
Power module is for how group windings in series forms Multiple coil tandem circuit of reversed excitation, be in series after over commutation filtering after each windings in series in Multiple coil tandem circuit of reversed excitation, wherein one group of winding is voltage stabilizing winding, remaining winding, by the turn ratio between transformer secondary output winding, realizes exporting superhigh pressure 800V ~ 1000V, the number of turn of setting winding 1 is 14 circles, one circle represents 2V voltage, power module setting exports as 900V, export total voltage and deduct the voltage of winding 1 namely: 900V-28V=872V is winding 2 ~ winding 4, the relation of 2V voltage is represented according to a circle, the total number of turns calculating winding 2 ~ winding 4 is 436 circles, due to winding 2 ~ winding 4 mean allocation number of turns relation, the each winding of winding 2 ~ winding 4 is 145 circles, winding 2 rectification after arranging diode V9 and V10 series connection, realize exporting 290.7V voltage, in like manner winding 3 and winding 4 also realize the output of 290.7V voltage respectively, because winding 1 ~ winding 4 is series relationship, realize power module 900V to export.
Power module exports as wide region 800V ~ 1000V is adjustable, realize exporting low pressure by adjustable end TRM and output plus terminal+Vo short circuit adjustable, because adjustable end TRM is by after adjustable resistance R20 and output plus terminal+Vo short circuit, by R20 and (R16+R17) parallel connection, after in parallel, resistance value ratio (R16+R17) resistance is low, winding 1 output voltage step-down, voltage corresponding to every circle is lower than 2V, the output voltage also corresponding step-down that number of total coils between winding 2 ~ winding 4 is corresponding, realize power module output voltage lower than 800V voltage, to connect an adjustable 100K potentiometer R in+Vo at TRM when reality uses
adjustable, pass through R
adjustableit is adjustable that R20 in parallel and (R16+R17) realize total resistance, realizes 800V ~ 900V adjustable.
Short circuit is held to realize exporting high pressure by adjustable end TRM and TRMUP adjustable, because adjustable end TRM is by after adjustable resistance R20 and TRMUP end short circuit, by R20 and (R18+R21) parallel connection, after in parallel, resistance value ratio (R18+R21) resistance is low, winding 1 output voltage uprises, voltage corresponding to every circle is higher than 2V, the output voltage that number of total coils between winding 2 ~ winding 4 is corresponding also uprises accordingly, realize power module output voltage higher than 1000V voltage, to connect an adjustable 100K potentiometer R in+Vo at TRM when reality uses
adjustable, pass through R
adjustableit is adjustable that R20 in parallel and (R18+R21) realize total resistance, realizes 900V ~ 1000V adjustable.
Power module, by wherein voltage stabilizing winding 1 regulation voltage, realizes the voltage-regulation of winding 2 ~ winding 4, realizes overall output voltage DC800V ~ DC1000V so adjustable.
Described a kind of Multiple coil series connection inverse-excitation type extra-high pressure exports Wide-Range Adjustable PWM module, and its pwm control circuit is powered by main control chip LM5022 integrated circuit and periphery thereof and driving element forms.
Described a kind of Multiple coil series connection inverse-excitation type extra-high pressure exports Wide-Range Adjustable PWM module, it is characterized in that: power module input voltage 12V, output voltage covers DC800V ~-DC1000V, be in series after over commutation filtering after each windings in series in Multiple coil tandem circuit of reversed excitation, wherein one group of winding is voltage stabilizing winding, remaining winding is by the turn ratio between transformer secondary output winding, realize exporting superhigh pressure 800V ~ 1000V, realize integrated Multiple coil series connection inverse-excitation type extra-high pressure and export the adjustable design of wide region.
The utility model solves traditional external and adjustable typical products not having similar converter design of domestic power module superhigh pressure output wide region, DC/DC inverter power circuit adopts in Multiple coil tandem circuit of reversed excitation and is in series after over commutation filtering after each windings in series, wherein one group of winding is voltage stabilizing winding, remaining winding is by the turn ratio between transformer secondary output winding, realize exporting superhigh pressure 800V ~ 1000V, realize integrated Multiple coil series connection inverse-excitation type extra-high pressure and export the adjustable design of wide region.
beneficial effect:
1, power module power circuit adopts in Multiple coil tandem circuit of reversed excitation and is in series after over commutation filtering after each windings in series, wherein one group of winding is voltage stabilizing winding, remaining winding is by the turn ratio between transformer secondary output winding, realize exporting superhigh pressure 800V ~ 1000V, realize integrated Multiple coil series connection inverse-excitation type extra-high pressure and export the adjustable design of wide region, there is higher reliability, input voltage covers DC12V, it is adjustable that output voltage covers DC800V ~ DC1000V, its volume is 61 × 58 × 12.7(unit: mm), peak power output is 10W, peak efficiency is 80%, external manufacturer is temporarily without equivalent current supply module product, the demand of some important events and this type of power module of special dimension can be met.
2, converter is isolation method, and isolation voltage is not less than DC1000V;
The beneficial effects of the utility model are in series after over commutation filtering after each windings in series in DC/DC inverter power circuit employing Multiple coil tandem circuit of reversed excitation, wherein one group of winding is voltage stabilizing winding, remaining winding is by the turn ratio between transformer secondary output winding, realize exporting superhigh pressure 800V ~ 1000V, realize integrated Multiple coil series connection inverse-excitation type extra-high pressure and export the adjustable design of wide region, external manufacturer temporarily without similar converter product, can meet the demand of some important events and this quasi-converter of special dimension.
Accompanying drawing explanation
Fig. 1 is the inner theory diagram of the utility model power module.
Fig. 2 is the inner schematic diagram of the utility model power module.
Fig. 3 is the utility model power module outline drawing;
Fig. 4 is the vertical view of the utility model power module pin upward direction.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
A kind of Multiple coil series connection inverse-excitation type extra-high pressure exports Wide-Range Adjustable PWM module, comprises switching tube V1, transformer T, pwm control circuit, input filter capacitor C1, output filter capacitor C11, C14, C15, C18, C19, C22, C23 and C26, rectifier diode V3, V9 ~ V14, filter inductance L1 ~ L4, feedback and overvoltage crowbar and current foldback circuit; It is characterized in that:
DC power supply is connected with input filter capacitor C1, transformer T different name section is connected with the drain electrode of switching tube V1, the source electrode of switching tube V1 is connected with the output negative terminal of input filter capacitor C1, the grid of switching tube V1 is connected with the control end of PWM chip, the secondary of transformer T is Multiple coil tandem, winding 1 fault offset that transformer T stores through rectifier diode V3 by winding 1 is gone out, winding 1 loop is loop of voltage regulation, loop of voltage regulation consist of resistance R13 ~ R21, fiducial chip V7, optocoupler V8 and PWM chip, principle is: its reference voltage of fiducial chip V7 is 2.5V, divider resistance R16, R17, R18, reference resistance is R21, reference voltage due to reference resistance two ends is 2.5V, by the resistance proportionate relationship between divider resistance and reference resistance, setting winding 1 output voltage is DC28V, when power module output voltage is higher than the output voltage 28V set, the inner conducting of the fiducial chip TL431 be connected with optocoupler output, realize the conducting of optocoupler internal body diodes, internal illumination controls the triode operation state of optocoupler another section inner, the feedback end of the collector electrode connection control chip of the inner triode of optocoupler, emitter connection control chip ground, when power module output voltage is lower than the output voltage set, the inner conducting of the fiducial chip TL431 be connected with optocoupler output, optocoupler does not work, and so circulation goes down to achieve closed loop feedback, has set up the general principle of power module voltage stabilizing.
Power module is for how group windings in series forms Multiple coil tandem circuit of reversed excitation, be in series after over commutation filtering after each windings in series in Multiple coil tandem circuit of reversed excitation, wherein one group of winding is voltage stabilizing winding, remaining winding, by the turn ratio between transformer secondary output winding, realizes exporting superhigh pressure 800V ~ 1000V, the number of turn of setting winding 1 is 14 circles, one circle represents 2V voltage, power module setting exports as 900V, export total voltage and deduct the voltage of winding 1 namely: 900V-28V=872V is winding 2 ~ winding 4, the relation of 2V voltage is represented according to a circle, the total number of turns calculating winding 2 ~ winding 4 is 436 circles, due to winding 2 ~ winding 4 mean allocation number of turns relation, the each winding of winding 2 ~ winding 4 is 145 circles, winding 2 rectification after arranging diode V9 and V10 series connection, realize exporting 290.7V voltage, in like manner winding 3 and winding 4 also realize the output of 290.7V voltage respectively, because winding 1 ~ winding 4 is series relationship, realize power module 900V to export.
Power module exports as wide region 800V ~ 1000V is adjustable, realize exporting low pressure by adjustable end TRM and output plus terminal+Vo short circuit adjustable, because adjustable end TRM is by after adjustable resistance R20 and output plus terminal+Vo short circuit, by R20 and (R16+R17) parallel connection, after in parallel, resistance value ratio (R16+R17) resistance is low, winding 1 output voltage step-down, voltage corresponding to every circle is lower than 2V, the output voltage also corresponding step-down that number of total coils between winding 2 ~ winding 4 is corresponding, realize power module output voltage lower than 800V voltage, to connect an adjustable 100K potentiometer R in+Vo at TRM when reality uses
adjustable, pass through R
adjustableit is adjustable that R20 in parallel and (R16+R17) realize total resistance, realizes 800V ~ 900V adjustable.
Short circuit is held to realize exporting high pressure by adjustable end TRM and TRMUP adjustable, because adjustable end TRM is by after adjustable resistance R20 and TRMUP end short circuit, by R20 and (R18+R21) parallel connection, after in parallel, resistance value ratio (R18+R21) resistance is low, winding 1 output voltage uprises, voltage corresponding to every circle is higher than 2V, the output voltage that number of total coils between winding 2 ~ winding 4 is corresponding also uprises accordingly, realize power module output voltage higher than 1000V voltage, to connect an adjustable 100K potentiometer R in+Vo at TRM when reality uses
adjustable, pass through R
adjustableit is adjustable that R20 in parallel and (R18+R21) realize total resistance, realizes 900V ~ 1000V adjustable.
Power module, by wherein voltage stabilizing winding 1 regulation voltage, realizes the voltage-regulation of winding 2 ~ winding 4, realizes overall output voltage DC800V ~ DC1000V so adjustable.
Described a kind of Multiple coil series connection inverse-excitation type extra-high pressure exports Wide-Range Adjustable PWM module, and its pwm control circuit is powered by main control chip LM5022 integrated circuit and periphery thereof and driving element forms.
Described a kind of Multiple coil series connection inverse-excitation type extra-high pressure exports Wide-Range Adjustable PWM module, it is characterized in that: power module input voltage 12V, output voltage covers DC800V ~-DC1000V, be in series after over commutation filtering after each windings in series in Multiple coil tandem circuit of reversed excitation, wherein one group of winding is voltage stabilizing winding, remaining winding is by the turn ratio between transformer secondary output winding, realize exporting superhigh pressure 800V ~ 1000V, realize integrated Multiple coil series connection inverse-excitation type extra-high pressure and export the adjustable design of wide region.
The utility model solves traditional external and adjustable typical products not having similar converter design of domestic power module superhigh pressure output wide region, DC/DC inverter power circuit adopts in Multiple coil tandem circuit of reversed excitation and is in series after over commutation filtering after each windings in series, wherein one group of winding is voltage stabilizing winding, remaining winding is by the turn ratio between transformer secondary output winding, realize exporting superhigh pressure 800V ~ 1000V, realize integrated Multiple coil series connection inverse-excitation type extra-high pressure and export the adjustable design of wide region.
The utility model is not limited to above-mentioned preferred forms, anyone other any or akin products identical with the utility model drawn under enlightenment of the present utility model, all drops within protection range of the present utility model.
Claims (3)
1. Multiple coil series connection inverse-excitation type extra-high pressure exports a Wide-Range Adjustable PWM module, comprises switching tube V1, transformer T, pwm control circuit, input filter capacitor C1, output filter capacitor C11, C14, C15, C18, C19, C22, C23 and C26, rectifier diode V3, V9 ~ V14, filter inductance L1 ~ L4, feedback and overvoltage crowbar and current foldback circuit; It is characterized in that:
DC power supply is connected with input filter capacitor C1, transformer T different name section is connected with the drain electrode of switching tube V1, the source electrode of switching tube V1 is connected with the output negative terminal of input filter capacitor C1, the grid of switching tube V1 is connected with the control end of pwm control circuit, the secondary of transformer T is Multiple coil tandem, winding 1 fault offset that transformer T stores through rectifier diode V3 by winding 1 is gone out, winding 1 loop is loop of voltage regulation, loop of voltage regulation consist of resistance R13 ~ R21, fiducial chip V7, optocoupler V8 and pwm control circuit, principle is: its reference voltage of fiducial chip V7 is 2.5V, divider resistance R16, R17, R18, reference resistance is R21, reference voltage due to reference resistance two ends is 2.5V, by the resistance proportionate relationship between divider resistance and reference resistance, setting winding 1 output voltage is DC28V, when power module output voltage is higher than the output voltage 28V set, the inner conducting of the fiducial chip TL431 be connected with optocoupler output, realize the conducting of optocoupler internal body diodes, internal illumination controls the triode operation state of optocoupler another section inner, the collector electrode of the inner triode of optocoupler connects the feedback end of pwm control circuit, emitter connects pwm control circuit ground, when power module output voltage is lower than the output voltage set, the inner conducting of the fiducial chip TL431 be connected with optocoupler output, optocoupler does not work, and so circulation goes down to achieve closed loop feedback, has set up the general principle of power module voltage stabilizing,
Power module is for how group windings in series forms Multiple coil tandem circuit of reversed excitation, be in series after over commutation filtering after each windings in series in Multiple coil tandem circuit of reversed excitation, wherein one group of winding is voltage stabilizing winding, remaining winding, by the turn ratio between transformer secondary output winding, realizes exporting superhigh pressure 800V ~ 1000V, the number of turn of setting winding 1 is 14 circles, one circle represents 2V voltage, power module setting exports as 900V, export the voltage that total voltage deducts winding 1, that is: 900V-28V=872V, for winding 2 ~ winding 4, the relation of 2V voltage is represented according to a circle, the total number of turns calculating winding 2 ~ winding 4 is 436 circles, due to winding 2 ~ winding 4 mean allocation number of turns relation, the each winding of winding 2 ~ winding 4 is 145 circles, winding 2 rectification after rectifier diode V9 and V10 connects, realize exporting 290.7V voltage, in like manner winding 3 and winding 4 also realize the output of 290.7V voltage respectively, because winding 1 ~ winding 4 is series relationship, realize power module 900V to export,
Power module exports as wide region 800V ~ 1000V is adjustable, realize exporting low pressure by adjustable end TRM and output plus terminal+Vo short circuit adjustable, because adjustable end TRM is by after adjustable resistance R20 and output plus terminal+Vo short circuit, by R20 and (R16+R17) parallel connection, after in parallel, resistance value ratio (R16+R17) resistance is low, winding 1 output voltage step-down, voltage corresponding to every circle is lower than 2V, the output voltage also corresponding step-down that number of total coils between winding 2 ~ winding 4 is corresponding, realize power module output voltage lower than 800V voltage, when reality uses, TRM connects with+Vo an adjustable 100K potentiometer R
adjustable, pass through R
adjustableit is adjustable that R20 in parallel and (R16+R17) realize total resistance, realizes 800V ~ 900V adjustable,
Short circuit is held to realize exporting high pressure by adjustable end TRM and TRMUP adjustable, because adjustable end TRM is by after adjustable resistance R20 and TRMUP end short circuit, by R20 and (R18+R21) parallel connection, after in parallel, resistance value ratio (R18+R21) resistance is low, winding 1 output voltage uprises, voltage corresponding to every circle is higher than 2V, the output voltage that number of total coils between winding 2 ~ winding 4 is corresponding also uprises accordingly, realize power module output voltage higher than 1000V voltage, when reality uses, TRM connects with+Vo an adjustable 100K potentiometer R
adjustable, pass through R
adjustableit is adjustable that R20 in parallel and (R18+R21) realize total resistance, realizes 900V ~ 1000V adjustable;
Power module, by wherein voltage stabilizing winding 1 regulation voltage, realizes the voltage-regulation of winding 2 ~ winding 4, realizes overall output voltage DC800V ~ DC1000V so adjustable.
2. regulated power supply module according to claim 1, is characterized in that: described pwm control circuit is made up of the integrated circuit of main control chip LM5022 and peripheral power supply thereof and driving element.
3. regulated power supply module according to claim 1, it is characterized in that: power module input voltage 12V, output voltage covers DC800V ~-DC1000V, be in series after over commutation filtering after each windings in series in Multiple coil tandem circuit of reversed excitation, wherein one group of winding is voltage stabilizing winding, remaining winding, by the turn ratio between transformer secondary output winding, realizes exporting superhigh pressure 800V ~ 1000V, realizes integrated Multiple coil series connection inverse-excitation type extra-high pressure and exports the adjustable design of wide region.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520722761.8U CN205212705U (en) | 2015-09-17 | 2015-09-17 | Many windings are established ties to turn over and are swashed formula extra high voltage output wide region adjustable power module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520722761.8U CN205212705U (en) | 2015-09-17 | 2015-09-17 | Many windings are established ties to turn over and are swashed formula extra high voltage output wide region adjustable power module |
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| CN205212705U true CN205212705U (en) | 2016-05-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048823A (en) * | 2015-09-17 | 2015-11-11 | 航天长峰朝阳电源有限公司 | Multi-winding series-connection fly-back type extra-high voltage output wide range adjustable power module |
| CN106647687A (en) * | 2016-09-07 | 2017-05-10 | 西北工业大学 | Simulation loading test method for brushless permanent magnet motor driving controller |
-
2015
- 2015-09-17 CN CN201520722761.8U patent/CN205212705U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048823A (en) * | 2015-09-17 | 2015-11-11 | 航天长峰朝阳电源有限公司 | Multi-winding series-connection fly-back type extra-high voltage output wide range adjustable power module |
| CN106647687A (en) * | 2016-09-07 | 2017-05-10 | 西北工业大学 | Simulation loading test method for brushless permanent magnet motor driving controller |
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