CN201118448Y - Self-coupling transformer voltage increase/decrease circuit - Google Patents
Self-coupling transformer voltage increase/decrease circuit Download PDFInfo
- Publication number
- CN201118448Y CN201118448Y CNU2007201934733U CN200720193473U CN201118448Y CN 201118448 Y CN201118448 Y CN 201118448Y CN U2007201934733 U CNU2007201934733 U CN U2007201934733U CN 200720193473 U CN200720193473 U CN 200720193473U CN 201118448 Y CN201118448 Y CN 201118448Y
- Authority
- CN
- China
- Prior art keywords
- winding
- switch
- transformer
- coupled
- tertiary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses an autotransformer buck circuit, which is provided with a first transformer with a first winding, a second winding and a third winding; a first switch with a first voltage (V1) output on one end; a second switch; a second transformer; a third switch with a second voltage (V2) output at one end; a fourth switch; a fifth switch with a third voltage (V3) output at one end; and a sixth switch. Multiple voltage output can be achieved through such a structure. In addition, the utility model also discloses an autotransformer CUK circuit which can achieve multiple voltage output.
Description
Technical field
The utility model relates to a kind of autotransformer step-up/step-down circuit, refers to especially that a kind of use one autotransformer is carried out boost and step-down, to reach the autotransformer step-up/step-down circuits of many group voltages output.
Background technology
In the known LLC resonance converter circuit, its secondary side usually with tapped mode export one+12V ,+V or+voltages such as 3.3V output.Only above-mentioned known LLC resonance converter circuit, when wherein the load of one group of voltage outlet side changes, to organize voltage output to other and produce the mutual effect of adjusting (cross regulation), for example when the load the on+12V becomes heavy, with related making+5V and+output of the voltage of 3.3V voltage outlet side changes, perhaps when the load the on+5V becomes heavy, with related making+12V and+the voltage output of 3.3V voltage outlet side changes.So, will make between three groups of voltage outputs to interact, and make situation become complicated, really belong to a fly in the ointment.
In view of this, the utility model proposes a kind of autotransformer step-up/step-down circuit to improve above-mentioned shortcoming.
The utility model content
A purpose of the present utility model provides a kind of autotransformer reduction voltage circuit, and it uses an autotransformer to carry out step-down, to reach the purpose of many group outputs.
Another purpose of the present utility model provides a kind of autotransformer reduction voltage circuit, and it uses an autotransformer to carry out and boosts and step-down, to reach the purpose of many group voltage output.
In order to achieve the above object, a kind of autotransformer reduction voltage circuit of the present utility model is to be used for the LLC resonance converter, it is characterized in that it has:
One first transformer, it has a primary side and a secondary side, this primary side has one first winding, this secondary side has one second winding and a tertiary winding, and this second winding and the tertiary winding are connected in series mutually, then be connected to earth potential between this second winding and the tertiary winding, an end of this first winding is coupled to the output of this LLC resonance converter;
One first switch, one end are coupled to this second winding, then have the output of one first voltage (V1) between the other end of the other end of this second winding and this first switch;
One second switch, the one end is coupled to the other end of this tertiary winding, and the other end then is coupled to the other end of this first switch;
One second transformer, it has one first winding, second winding, the tertiary winding, the 4th winding, the 5th winding and the 6th winding, one end of this first winding is coupled to second winding of this first transformer, the other end of the 6th winding is coupled to the other end of the tertiary winding of this first transformer, then is connected to earth potential between this tertiary winding and the 4th winding;
One the 3rd switch, one end are coupled between first winding and second winding of this second transformer, and the other end then has the output of one second voltage (V2);
One the 4th switch, one end are coupled between second winding and the tertiary winding of this second transformer;
One the 5th switch, one end are coupled between the 4th winding and the 5th winding of this second transformer, and the other end then is coupled to the other end of the 4th switch and has a tertiary voltage (V3) output; And
One the 6th switch, one end are coupled between the 5th winding and the 6th winding of this second transformer, and the other end then is coupled to the other end of the 3rd switch;
This second voltage output and the output of this tertiary voltage can not change along with the load variations of this first voltage output.
Wherein this second transformer is an autotransformer.
Wherein this first switch, second switch, the 3rd switch, the 4th switch, the 5th switch and the 6th switch are a rectifier or power switch, and this power switch is that N passage burning half-court effect transistor N passage connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connects surface field-effect transistor.
Wherein first winding of this first transformer has the N1 number of turns, second winding and the tertiary winding have the N2 number of turns, first winding and the 6th winding of this second transformer have the N5 number of turns, and second winding and the 5th winding have the N4 number of turns, and the tertiary winding and the 4th winding have the N3 number of turns.
This second voltage wherein
This tertiary voltage
In order to achieve the above object, a kind of autotransformer step-up/step-down circuit of the present utility model is to be used for the LLC resonance converter, it is characterized in that it has:
One first transformer, it has a primary side and a secondary side, this primary side has one first winding, this secondary side has one second winding, a tertiary winding, one the 4th winding and one the 5th winding, and this second winding, the tertiary winding, the 4th winding and the 5th winding are connected in series mutually, and an end of this first winding is coupled to the output of this LLC resonance converter;
One second transformer, it has one first winding, second winding, the tertiary winding, the 4th winding, the 5th winding and the 6th winding, one end of this first winding is coupled to second winding of this first transformer, one end of the 6th winding is coupled to the other end of the 5th winding of this first transformer, then is connected to earth potential between this tertiary winding and the 4th winding;
One first switch, one end are coupled to the other end of second winding of this second transformer, and the other end then has the output of one first voltage (V1);
One second switch, one end are coupled to the other end of second winding of the end of second winding of this second transformer and this first transformer, and the other end then has the output of one second voltage (V2);
One the 3rd switch, one end are coupled between second winding and the tertiary winding of this second transformer, and the other end then has a tertiary voltage (V3) output;
One the 4th switch, one end are coupled between the 4th winding and the 5th winding of this second transformer, and the other end then is coupled to the other end of the 3rd switch;
One the 5th switch, one end are coupled between the 4th winding and the 5th winding of the other end of the 5th winding of this second transformer and this first transformer, and the other end then is coupled to the other end of this second switch; And
One the 6th switch, one end are coupled to the other end of the 6th winding of this second transformer, and the other end then is coupled to the other end of this first switch;
This first voltage output and the output of this tertiary voltage can be boosted or step-down along with this second voltage output.
Wherein this second transformer is an autotransformer.
Wherein this first switch, second switch, the 3rd switch, the 4th switch, the 5th switch and the 6th switch are a rectifier or power switch, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor.
Wherein first winding of this first transformer has the N1 number of turns, second winding and the 5th winding have the N2 number of turns, the tertiary winding and the 4th winding have the N3 number of turns, first winding and the 6th winding of this second transformer have the N4 number of turns, second winding and the 5th winding have the N5 number of turns, and the tertiary winding and the 4th winding have the N6 number of turns.
This first voltage wherein
This tertiary voltage
The beneficial effects of the utility model are:
Autotransformer reduction voltage circuit of the present utility model, it uses an autotransformer to carry out step-down, to reach the purpose of many group outputs.
Autotransformer reduction voltage circuit of the present utility model, it uses an autotransformer to carry out and boosts and step-down, to reach the purpose of many group voltage output.
Description of drawings
" autotransformer step-up/step-down circuit " of the present utility model, feature and purpose with accompanying drawing and example in detail as after, wherein:
Fig. 1 is a schematic diagram, and it illustrates the block schematic diagram of the autotransformer reduction voltage circuit of this case one preferred embodiment.
Fig. 2 is a schematic diagram, and it illustrates the block schematic diagram of the autotransformer step-up/step-down circuit of another preferred embodiment of this case.
Embodiment
Please refer to Fig. 1, it illustrates the block schematic diagram of the autotransformer reduction voltage circuit of this case one preferred embodiment.As shown in the figure, autotransformer reduction voltage circuit of the present utility model is to be used for the LLC resonance converter, and it comprises: one first transformer 10; One first switch 20; One second switch 30; One second transformer 40; One the 3rd switch 50; One the 4th switch 60; One the 5th switch 70; And one the 6th switch 80 combine.
Wherein, this transformer 10 has a primary side and a secondary side, this primary side has one first winding 11, this secondary side has one second winding 12 and a tertiary winding 13, and this second winding 12 and the tertiary winding 13 are connected in series mutually, then be connected to earth potential (GND) between this second winding 12 and the tertiary winding 13, an end of this first winding 11 is coupled to the output of this LLC resonance converter 90; Wherein, this LLC resonance converter 90 is that general power supply unit is known, so do not intend giving unnecessary details at this.10 in this transformer is for example and without limitation to a flyback transformer, and it also is that general power supply unit is known, so do not intend giving unnecessary details at this.In addition, first winding 11 of this first transformer 10 is for example and without limitation to has the N1 number of turns, and 13 of this second winding 12 and the tertiary windings are such as but not limited to having the N2 number of turns.
One end of this first switch 20 is coupled to this second winding 12, then has the output of one first voltage (V1) between the other end of the other end of this second winding 12 and this first switch 20, wherein, this first switch 20 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
One end of this second switch 30 is coupled to the other end of this tertiary winding 13, and the other end then is coupled to the other end of this first switch 20; Wherein, this second switch 30 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
This second transformer 40 has one first winding 41, second winding 42, the tertiary winding 43, the 4th winding 44, the 5th winding 45 and the 6th winding 46, wherein an end of this first winding 41 is coupled to second winding 12 of this first transformer 10, the other end of the 6th winding 46 is coupled to the other end of the tertiary winding 13 of this first transformer 10, then is connected to earth potential between this tertiary winding 43 and the 4th winding 44.This second transformer 40 is for example and without limitation to an autotransformer, and first winding 41 of this second transformer 40 and the 6th winding 46 are such as but not limited to having the N5 number of turns, this second winding 42 and the 5th winding 45 are such as but not limited to having the N4 number of turns, and this tertiary winding 43 and the 4th winding 44 are such as but not limited to having the N3 number of turns.
One end of the 3rd switch 50 is coupled between first winding 41 and second winding 42 of this second transformer 40, and the other end then has the output of one second voltage (V2); Wherein, the 3rd switch 50 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
One end of the 4th switch 60 is coupled between second winding 42 and the tertiary winding 43 of this second transformer 40; Wherein, the 4th switch 60 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
One end of the 5th switch 70 is coupled between the 4th winding 44 and the 5th winding 45 of this second transformer 40, and the other end then is coupled to the other end of the 4th switch 60 and has a tertiary voltage (V3) output; Wherein, the 5th switch 70 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
One end of the 6th switch 80 is coupled between the 5th winding 45 and the 6th winding 46 of this second transformer 40, and the other end then is coupled to the other end of the 3rd switch 50; Wherein, the 6th switch 80 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
Wherein, this second voltage (V2) can be learnt by following formula after than dividing potential drop via the coil of each coil:
Therefore, by this tertiary winding 43 of this second transformer 40 of accurate control and the number of turns N3 of the 4th winding 44, the number of turns N5 of the number of turns N4 of this second winding 42 and the 5th winding 45 and first winding 41 and the 6th winding 46 can obtain stable second voltage (V2) output, and does not have the effect generation of above-mentioned mutual adjustment (cross regulation).
This tertiary voltage (V3) can be learnt by following formula after than dividing potential drop via the coil of each coil:
Therefore, by this tertiary winding 43 of this second transformer 40 of accurate control and the number of turns N3 of the 4th winding 44, the number of turns N5 of the number of turns N4 of this second winding 42 and the 5th winding 45 and first winding 41 and the 6th winding 46 can obtain stable tertiary voltage (V3) output, and does not have the effect generation of above-mentioned mutual adjustment (cross regulation).Therefore, autotransformer reduction voltage circuit of the present utility model is really than the LLC harmonic conversion utensil progressive of known technology.
Please refer to Fig. 2, it illustrates the block schematic diagram of the autotransformer step-up/step-down circuit of another preferred embodiment of this case.As shown in the figure, autotransformer step-up/step-down circuit of the present utility model is to be used for the LLC resonance converter, and it comprises: one first transformer 110; One second transformer 120; One first switch 130; One second switch 140; One the 3rd switch 150; One the 4th switch 160; One the 5th switch 170; And one the 6th switch 180 combine.
Wherein, this transformer 110 has a primary side and a secondary side, this primary side has one first winding 111, this secondary side has one second winding 112, a tertiary winding 113, one the 4th winding 114 and one the 5th winding 115, and this second winding 112, the tertiary winding 113, the 4th winding 114 and the 5th winding 115 are connected in series mutually, and an end of this first winding 111 is coupled to the output of a LLC resonance converter 190; Wherein, this LLC resonance converter 190 is that general power supply unit is known, so do not intend giving unnecessary details at this.110 in this transformer is for example and without limitation to a flyback transformer, and it also is that general power supply unit is known, so do not intend giving unnecessary details at this.In addition, first winding 111 of this first transformer 110 is for example and without limitation to has the N1 number of turns, 115 of this second winding 112 and the 5th windings be such as but not limited to having the N2 number of turns, and 114 of this tertiary winding 113 and the 4th windings are such as but not limited to having the N3 number of turns.
This second transformer 120 has one first winding 121, second winding 122, the tertiary winding 123, the 4th winding 124, the 5th winding 125 and the 6th winding 126, wherein an end of this first winding 121 is coupled to second winding 112 of this first transformer 110, one end of the 6th winding 126 is coupled to the other end of the 5th winding 115 of this first transformer 110, then is connected to earth potential between this tertiary winding 113 and the 4th winding 114.This second transformer 120 is for example and without limitation to an autotransformer, and first winding 121 of this second transformer 120 and the 6th winding 126 are such as but not limited to having the N4 number of turns, this second winding 122 and the 5th winding 125 are such as but not limited to having the N5 number of turns, and this tertiary winding 123 and the 4th winding 124 are such as but not limited to having the N6 number of turns.
One end of this first switch 130 is coupled to the other end of second winding 122 of this second transformer 120, the other end then has the output of one first voltage (V1), wherein, this first switch 130 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
One end of this second switch 140 is coupled to the other end of second winding 112 of the end of second winding 122 of this second transformer 120 and this first transformer 110, and the other end then has the output of one second voltage (V2); Wherein, this second switch 140 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
One end of the 3rd switch 150 is coupled between second winding 122 and the tertiary winding 123 of this second transformer 120, and the other end then has a tertiary voltage (V3) output; Wherein, the 3rd switch 150 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
One end of the 4th switch 160 is coupled between the 4th winding 124 and the 5th winding 125 of this second transformer 120, and the other end then is coupled to the other end of the 3rd switch 150; Wherein, the 4th switch 160 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
One end of the 5th switch 70 is coupled between the 4th winding 114 and the 5th winding 115 of the other end of the 5th winding 125 of this second transformer 120 and this first transformer 110, and the other end then is coupled to the other end of this second switch 140; Wherein, the 5th switch 170 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
One end of the 6th switch 80 is coupled to the other end of the 6th winding 126 of this second transformer 120, and the other end then is coupled to the other end of this first switch 130; Wherein, the 6th switch 180 is for example and without limitation to a rectifier or power switch, it can reach the purpose of synchronous rectification, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor, be to be that example is illustrated with the rectifier in the present embodiment, its escapable cost, but not as limit.
Wherein, this first voltage (V1) can be learnt by following formula after than dividing potential drop via the coil of each coil:
Therefore, number of turns N3, first winding 121 of this second transformer 120 and the number of turns N4 of the 6th winding 126 by number of turns N2, the tertiary winding 113 and the 4th winding 114 of second winding 112 of this first transformer 110 of accurate control and the 5th winding 115, the number of turns N6 of the number of turns N5 of this second winding 122 and the 5th winding 125 and the tertiary winding 123 and the 4th winding 124 can obtain stable first voltage (V1) output, and does not have the effect generation of above-mentioned mutual adjustment (crossregulation).
This tertiary voltage (V3) can be learnt by following formula after than dividing potential drop via the coil of each coil:
Therefore, can obtain stable tertiary voltage (V3) output by the number of turns N5 of second winding 122 of this second transformer 120 of accurate control and the 5th winding 125 and the number of turns N6 of the tertiary winding 123 and the 4th winding 124, and the effect that does not have an above-mentioned mutual adjustment (cross regulation) produces.
Be with, enforcement via autotransformer step-up/step-down circuit of the present utility model, it can boost and step-down by using an autotransformer to carry out, to reach the output of many group voltage, and respectively organize the advantages such as effect generation that do not have mutual adjustment between the voltage output, therefore, really can improve the shortcoming of LLC resonance converter in the known power source supply.
What this case disclosed is preferred embodiment, the change of every part or modification and come from the technological thought of this case and be have the knack of this technology the people was easy to know by inference, all do not take off the claim category of this case.
Claims (10)
1. an autotransformer reduction voltage circuit is to be used for the LLC resonance converter, it is characterized in that it has:
One first transformer, it has a primary side and a secondary side, this primary side has one first winding, this secondary side has one second winding and a tertiary winding, and this second winding and the tertiary winding are connected in series mutually, then be connected to earth potential between this second winding and the tertiary winding, an end of this first winding is coupled to the output of this LLC resonance converter;
One first switch, one end are coupled to this second winding, then have the output of one first voltage (V1) between the other end of the other end of this second winding and this first switch;
One second switch, the one end is coupled to the other end of this tertiary winding, and the other end then is coupled to the other end of this first switch;
One second transformer, it has one first winding, second winding, the tertiary winding, the 4th winding, the 5th winding and the 6th winding, one end of this first winding is coupled to second winding of this first transformer, the other end of the 6th winding is coupled to the other end of the tertiary winding of this first transformer, then is connected to earth potential between this tertiary winding and the 4th winding;
One the 3rd switch, one end are coupled between first winding and second winding of this second transformer, and the other end then has the output of one second voltage (V2);
One the 4th switch, one end are coupled between second winding and the tertiary winding of this second transformer;
One the 5th switch, one end are coupled between the 4th winding and the 5th winding of this second transformer, and the other end then is coupled to the other end of the 4th switch and has a tertiary voltage (V3) output; And
One the 6th switch, one end are coupled between the 5th winding and the 6th winding of this second transformer, and the other end then is coupled to the other end of the 3rd switch;
This second voltage output and the output of this tertiary voltage can not change along with the load variations of this first voltage output.
2. autotransformer reduction voltage circuit as claimed in claim 1 is characterized in that, wherein this second transformer is an autotransformer.
3. autotransformer reduction voltage circuit as claimed in claim 1, it is characterized in that, wherein this first switch, second switch, the 3rd switch, the 4th switch, the 5th switch and the 6th switch are a rectifier or power switch, and this power switch is that N passage burning half-court effect transistor N passage connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connects surface field-effect transistor.
4. autotransformer reduction voltage circuit as claimed in claim 1, it is characterized in that, wherein first winding of this first transformer has the N1 number of turns, second winding and the tertiary winding have the N2 number of turns, first winding and the 6th winding of this second transformer have the N5 number of turns, second winding and the 5th winding have the N4 number of turns, and the tertiary winding and the 4th winding have the N3 number of turns.
5. autotransformer reduction voltage circuit as claimed in claim 4 is characterized in that, wherein this second voltage
This tertiary voltage
6. an autotransformer step-up/step-down circuit is to be used for the LLC resonance converter, it is characterized in that it has:
One first transformer, it has a primary side and a secondary side, this primary side has one first winding, this secondary side has one second winding, a tertiary winding, one the 4th winding and one the 5th winding, and this second winding, the tertiary winding, the 4th winding and the 5th winding are connected in series mutually, and an end of this first winding is coupled to the output of this LLC resonance converter;
One second transformer, it has one first winding, second winding, the tertiary winding, the 4th winding, the 5th winding and the 6th winding, one end of this first winding is coupled to second winding of this first transformer, one end of the 6th winding is coupled to the other end of the 5th winding of this first transformer, then is connected to earth potential between this tertiary winding and the 4th winding;
One first switch, one end are coupled to the other end of second winding of this second transformer, and the other end then has the output of one first voltage (V1);
One second switch, one end are coupled to the other end of second winding of the end of second winding of this second transformer and this first transformer, and the other end then has the output of one second voltage (V2);
One the 3rd switch, one end are coupled between second winding and the tertiary winding of this second transformer, and the other end then has a tertiary voltage (V3) output;
One the 4th switch, one end are coupled between the 4th winding and the 5th winding of this second transformer, and the other end then is coupled to the other end of the 3rd switch;
One the 5th switch, one end are coupled between the 4th winding and the 5th winding of the other end of the 5th winding of this second transformer and this first transformer, and the other end then is coupled to the other end of this second switch; And
One the 6th switch, one end are coupled to the other end of the 6th winding of this second transformer, and the other end then is coupled to the other end of this first switch;
This first voltage output and the output of this tertiary voltage can be boosted or step-down along with this second voltage output.
7. autotransformer step-up/step-down circuit as claimed in claim 6 is characterized in that, wherein this second transformer is an autotransformer.
8. autotransformer step-up/step-down circuit as claimed in claim 6, it is characterized in that, wherein this first switch, second switch, the 3rd switch, the 4th switch, the 5th switch and the 6th switch are a rectifier or power switch, and this power switch can be N passage burning half-court effect transistor N passage and connects surface field-effect transistor, P passage burning half-court effect transistor or P passage and connect surface field-effect transistor.
9. autotransformer step-up/step-down circuit as claimed in claim 6, it is characterized in that, wherein first winding of this first transformer has the N1 number of turns, second winding and the 5th winding have the N2 number of turns, the tertiary winding and the 4th winding have the N3 number of turns, first winding and the 6th winding of this second transformer have the N4 number of turns, and second winding and the 5th winding have the N5 number of turns, and the tertiary winding and the 4th winding have the N6 number of turns.
10. autotransformer step-up/step-down circuit as claimed in claim 9 is characterized in that, wherein this first voltage
This tertiary voltage
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201934733U CN201118448Y (en) | 2007-11-22 | 2007-11-22 | Self-coupling transformer voltage increase/decrease circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201934733U CN201118448Y (en) | 2007-11-22 | 2007-11-22 | Self-coupling transformer voltage increase/decrease circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118448Y true CN201118448Y (en) | 2008-09-17 |
Family
ID=39993041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201934733U Expired - Fee Related CN201118448Y (en) | 2007-11-22 | 2007-11-22 | Self-coupling transformer voltage increase/decrease circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118448Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468774A (en) * | 2010-11-17 | 2012-05-23 | 日本捲线工业株式会社 | Power supply circuit |
| CN103414344A (en) * | 2013-07-19 | 2013-11-27 | 深圳桑达国际电源科技有限公司 | Wide-range input high-conversion-rate boost-buck conversion circuit and direct current conversion device |
| CN105491722A (en) * | 2015-12-31 | 2016-04-13 | 吴文武 | LED autotransformer driver |
| CN107942142A (en) * | 2017-11-27 | 2018-04-20 | 江苏万宝桥梁构件有限公司 | A kind of detection device of large scale equipment electrostatic core release device |
| CN110087366A (en) * | 2019-05-25 | 2019-08-02 | 福州大学 | LED illumination Cuk-LLC V-i Characteristics and its fuzzy prediction method |
| CN110890844A (en) * | 2019-11-19 | 2020-03-17 | 东莞龙升电子有限公司 | Switch circuit for outputting multiple groups of voltages |
-
2007
- 2007-11-22 CN CNU2007201934733U patent/CN201118448Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468774A (en) * | 2010-11-17 | 2012-05-23 | 日本捲线工业株式会社 | Power supply circuit |
| CN103414344A (en) * | 2013-07-19 | 2013-11-27 | 深圳桑达国际电源科技有限公司 | Wide-range input high-conversion-rate boost-buck conversion circuit and direct current conversion device |
| CN105491722A (en) * | 2015-12-31 | 2016-04-13 | 吴文武 | LED autotransformer driver |
| CN107942142A (en) * | 2017-11-27 | 2018-04-20 | 江苏万宝桥梁构件有限公司 | A kind of detection device of large scale equipment electrostatic core release device |
| CN110087366A (en) * | 2019-05-25 | 2019-08-02 | 福州大学 | LED illumination Cuk-LLC V-i Characteristics and its fuzzy prediction method |
| CN110087366B (en) * | 2019-05-25 | 2021-03-02 | 福州大学 | LED lighting Cuk-LLC three-port circuit and fuzzy prediction method thereof |
| CN110890844A (en) * | 2019-11-19 | 2020-03-17 | 东莞龙升电子有限公司 | Switch circuit for outputting multiple groups of voltages |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106169872B (en) | Bidirectional DC-DC converter | |
| CN201118448Y (en) | Self-coupling transformer voltage increase/decrease circuit | |
| EP2355327A2 (en) | Switching power-supply apparatus | |
| JP5741558B2 (en) | Power converter | |
| CN203056977U (en) | Boost isolation type DC-DC converter | |
| CN102047544A (en) | Fixed-frequency LLC resonant power regulator | |
| JP2009011109A (en) | Dc-dc converter | |
| CN110224601B (en) | High-gain Boost converter based on three-winding coupling inductor and working method thereof | |
| CN106655778B (en) | Multi output exchange type power converter | |
| CN106558990A (en) | For the tap winding type anti exciting converter of multiple output voltages | |
| IT201900006719A1 (en) | ELECTRONIC CONVERTER | |
| JP2010093952A (en) | Bidirectional dc/dc converter | |
| JP2010124671A (en) | Bidirectional dc/dc converter | |
| US20130250637A1 (en) | Single-Stage Single-Switch Voltage Converter | |
| Cruz-Cozar et al. | Resonant hybrid flyback: A novel topology with wide voltage range for DC microgrid applications | |
| CN117543961A (en) | Direct current conversion circuit | |
| CN103490635A (en) | Improved H bridge buck-boost DC converter and control method thereof | |
| CN204014223U (en) | Low cost compact led drive circuit chip | |
| CN101860219A (en) | DC-DC converter | |
| Pradhan et al. | Design and simulation of dc-dc converter used in solar charge controllers | |
| CN107040149B (en) | AC to DC power adapter and its control circuit | |
| US7825535B2 (en) | Self-coupled transformer boostbuck circuit | |
| CN203522541U (en) | Improved H bridge buck-boost DC converter | |
| CN209692614U (en) | A kind of straight translation circuit of single input and multi-output | |
| CN101753028B (en) | Multi-output power conversion circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHICONY POWER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HIPRO ELECTRONICS CO.,LTD. Effective date: 20100505 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100505 Address after: Taiwan County, Taipei, China Patentee after: Chicony Power Technology Co., Ltd. Address before: Taiwan County, Taipei, China Patentee before: Gaoxiao Electronic Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20121122 |