CN213717838U - Circuit capable of realizing current multiplication and voltage multiplication - Google Patents
Circuit capable of realizing current multiplication and voltage multiplication Download PDFInfo
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- CN213717838U CN213717838U CN202023124784.9U CN202023124784U CN213717838U CN 213717838 U CN213717838 U CN 213717838U CN 202023124784 U CN202023124784 U CN 202023124784U CN 213717838 U CN213717838 U CN 213717838U
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Abstract
The utility model provides a circuit that both can realize the current-doubler and can realize the voltage-doubler, including first output, the second output, first diode, the second diode, third diode and control switch, first output is anodal to be connected the back with first diode negative pole as anodal output, first output negative pole is connected with control switch and third diode negative pole, control switch is connected with second diode negative pole, second diode positive pole and first diode positive pole and the anodal connection of second output, second output negative pole is connected the back with third diode positive pole and is regarded as the negative pole output. The utility model discloses beneficial effect: the voltage-multiplying output or current-multiplying output can be realized, when the output voltage is lower than 1/2 of the rated highest output voltage, the current-multiplying output mode can be automatically switched, the rated output current is increased to 2 times of that of the high-voltage output, and the rated output capacity can be more fully utilized.
Description
Technical Field
The utility model relates to a power field especially indicates a circuit that both can realize the doubly and flow and can realize the doubly voltage.
Background
Various power supply devices used in the market have rated output capacity, output voltage and output current, such as a switching power supply or an inverter power supply, and for the power supply devices of which the output voltage needs to be changed in a large range, the rated capacity of the power supply device can be fully utilized only when higher voltage is output; when the output voltage of the power supply device is low, the output current of the power supply device cannot increase along with the reduction of the output voltage due to the limitation of the rated output current, so that the actual output capacity of the power supply device is obviously reduced, and the rated output capacity cannot be fully utilized. For example, in the charging device of an electric vehicle and the charging device of an energy storage capacitor in some industries such as medical cosmetology, due to the limitation of rated output current, when the voltage of a battery or the energy storage capacitor is low, the actual output capacity of the charging device is greatly reduced, the utilization rate of the rated capacity is obviously reduced, the charging efficiency is reduced, and the charging time is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circuit that can realize doubly flowing and can realize doubly pressing has solved foretell problem among the prior art.
The technical scheme of the utility model is realized like this:
the utility model provides a both can realize doubling of current and can realize circuit of voltage doubling, includes first output, second output, first diode, second diode, third diode and control switch, first output anodal with the first diode negative pole is connected the back and is regarded as positive output, first output negative pole with control switch with the third diode negative pole is connected, control switch with the second diode negative pole is connected, the second diode positive pole with first diode positive pole with second output anodal is connected, second output negative pole with the third diode positive pole is connected the back and is regarded as the negative pole output.
Further, both can realize the circuit of doubly flowing and can realize the voltage doubling, still including detecting control circuit, detect control circuit's first sense terminal with anodal output is connected, detect control circuit's second sense terminal with the negative pole output is connected, detect control circuit's control end with control switch connects.
Preferably, the control switch is a thyristor control switch, a MOSFET control switch or an IGBT control switch.
The utility model has the advantages that:
both can realize the circuit of doubly flowing and can realize the voltage doubling again, can realize voltage doubling output or doubly flow output, can be less than its rated maximum output voltage's 1/2 time at output voltage, automatic conversion is the output mode of doubly flowing, 2 times when making the increase of rated output current be high voltage output, rated output capacity can obtain more abundant utilization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic circuit diagram of a circuit that can realize both current doubling and voltage doubling.
In the figure:
1. a first output terminal; 2. a second output terminal; 3. a first diode; 4. a second diode; 5. a third diode; 6. a control switch; 7. a positive output end; 8. a negative output end; 9. a detection control circuit; 901. a first detection end; 902. a second detection terminal; 903. a control end; 10. and (4) loading.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, a circuit that both can realize the current doubling and can realize the voltage doubling, including first output 1, second output 2, first diode 3, second diode 4, third diode 5 and control switch 6, first output 1 positive pole is connected the back with first diode 3 negative pole and is regarded as positive output 7, first output 1 negative pole is connected with control switch 6 and third diode 5 negative pole, control switch 6 is connected with second diode 4 negative pole, second diode 4 positive pole is connected with first diode 3 positive pole and second output 2 positive pole, second output 2 negative pole is connected the back with third diode 5 positive pole and is regarded as negative output 8.
Specifically, a load 10 is arranged between the positive output end 7 and the negative output end 8; when the control switch 6 is switched on, the first output end 1 and the second output end 2 are connected in series, the circuit which can realize current multiplication and voltage multiplication is in a voltage-multiplying output state, the output voltage is the superposition of the voltages of the first output end 1 and the second output end 2 and is equal to 2 times of the voltages of the first output end 1 and the second output end 2, and the first diode 3 and the second diode 4 are both in a reverse bias state at the moment and have no influence on the circuit work; when control switch 6 disconnection, first output 1 and second output 2 are parallelly connected each other through first diode 3 and second diode 4, both can realize the current doubler and can realize that the circuit of voltage doubler is in the current doubler output state, output current is the stack of the electric current of first output 1 and second output 2, equals 2 times of the electric current of first output 1 and second output 2.
The circuit which can realize current multiplication and voltage multiplication only adopts one control switch 6 to realize the conversion between the serial connection state and the parallel connection state of the first output end 1 and the second output end 2, and has the advantages of simple structure, reliable work and low cost; when the output voltage is higher, the first output end 1 and the second output end 2 work in a series mode to output higher voltage, and when the output voltage is lower, the first output end 1 and the second output end 2 work in a parallel mode to output larger current.
Wherein, both can realize the circuit of doubly flowing and can realize the voltage doubling, still including detecting control circuit 9, detect control circuit 9's first sense terminal 901 and be connected with anodal output 7, detect control circuit 9's second sense terminal 902 and be connected with negative pole output 8, detect control circuit 9's control end 903 and be connected with control switch 6.
Both can realize the circuit of doubly flowing and can realize the voltage doubling, detection control circuit 9 can be through detecting output voltage control output state, realize the automatic conversion of two kinds of output mode of the series connection mode or the parallel connection mode of first output 1 and second output 2 for can export 2 times electric current when low-voltage output, rated output capacity obtains more abundant utilization.
Wherein, preferably, the control switch 6 is a thyristor control switch, a MOSFET control switch or an IGBT control switch.
Both can realize the circuit of doubly flowing and can realize the voltage doubling again, can realize voltage doubling output or doubly flow output, can be less than its rated maximum output voltage's 1/2 time at output voltage, automatic conversion is the output mode of doubly flowing, 2 times when making the increase of rated output current be high voltage output, rated output capacity can obtain more abundant utilization.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A circuit capable of realizing current multiplication and voltage multiplication is characterized by comprising a first output end (1), a second output end (2), a first diode (3), a second diode (4), a third diode (5) and a control switch (6), the anode of the first output end (1) is connected with the cathode of the first diode (3) and then is used as an anode output end (7), the negative electrode of the first output end (1) is connected with the control switch (6) and the cathode of the third diode (5), the control switch (6) is connected with the cathode of the second diode (4), the anode of the second diode (4) is connected with the anode of the first diode (3) and the anode of the second output end (2), and the cathode of the second output end (2) is connected with the anode of the third diode (5) and then is used as a cathode output end (8).
2. The circuit capable of realizing both current multiplication and voltage multiplication according to claim 1, further comprising a detection control circuit (9), wherein a first detection terminal (901) of the detection control circuit (9) is connected to the positive output terminal (7), a second detection terminal (902) of the detection control circuit (9) is connected to the negative output terminal (8), and a control terminal (903) of the detection control circuit (9) is connected to the control switch (6).
3. The circuit for multiplying current and voltage according to claim 1, wherein the control switch (6) is a thyristor controlled switch, a MOSFET controlled switch or an IGBT controlled switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023124784.9U CN213717838U (en) | 2020-12-21 | 2020-12-21 | Circuit capable of realizing current multiplication and voltage multiplication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023124784.9U CN213717838U (en) | 2020-12-21 | 2020-12-21 | Circuit capable of realizing current multiplication and voltage multiplication |
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| Publication Number | Publication Date |
|---|---|
| CN213717838U true CN213717838U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023124784.9U Active CN213717838U (en) | 2020-12-21 | 2020-12-21 | Circuit capable of realizing current multiplication and voltage multiplication |
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| CN (1) | CN213717838U (en) |
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2020
- 2020-12-21 CN CN202023124784.9U patent/CN213717838U/en active Active
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