Embodiment
Fig. 1 illustrates the first embodiment of the present invention, it is the schematic diagram of a light energy power circuit 1, light energy power circuit 1 is coupled between an energy storage component 2 and a transform light energy (photovoltaic) assembly 11, transform light energy assembly 11 is in order to receive a luminous energy, and be an electric current with transform light energy, light energy power circuit 1 is in order to receive and to regulate this electric current, to provide to energy storage component 2 as output current 10.Light energy power circuit 1 comprises one first processing components 12, a plurality of second processing components (in this preferred embodiment, be second processing components 13 and second processing components 14) and one first control assembly 15, what this must emphasize be, the quantity of second processing components is not in order to limit the scope of the invention, in other embodiments, the quantity of second processing components can be other number.
First processing components 12 is coupled between transform light energy assembly 11 and the energy storage component 2, in order to respond this electric current, produces one first shunt current in tie point 12a, and regulates this first shunt current, produces one first in tie point 12b and regulates electric current.
Second processing components 13 and second processing components 14 be with first processing components 12 be to be to be connected in parallel, second processing components 13, second processing components 14 and first processing components 12 in parallel are to be with transform light energy assembly 11 and energy storage component 2 to be connected in series, second processing components 13 and second processing components 14 are in order to respond this electric current, each produces 2 second shunt currents in tie point 13a and tie point 14a, and regulate second shunt current, produce 2 second adjusting electric currents in tie point 13b and tie point 14b.
First control assembly 15 is connected to first processing components 12, second processing components 13 and second processing components 14, and in order to respond that first shunt current, first is regulated electric current and in the last output current 124 of tie point 12c, produce a control signal 150 to these processing components (i.e. first processing components 12, second processing components 13 and second processing components 14), so that exporting these with an interlace mode, these processing components regulate electric current, to provide to energy storage component 2 as output current 10.Meaning promptly, energy storage component 2 with tie point 12c as an energy input, to receive output current 10.
Specifically, first processing components 12 comprises forward element 12h of one first electric capacity 12d, one second electric capacity 12e, one first inductance 12f, one first switch element 12g and one first.The first electric capacity 12d has an anode, and the first switch element 12g has an one source pole and a grid, first forward element 12h have an anode and a negative terminal.The first electric capacity 12d is and transform light energy assembly 11, the first switch element 12g, the second electric capacity 12e and energy storage component 2 are and are connected in parallel, the first inductance 12f is connected to the anode of the first electric capacity 12d and the source electrode of the first switch element 12g, first forward the anode of element 12h be connected to the source electrode of the first switch element 12g, first forward the negative terminal of element 12h be connected to the anode of the first electric capacity 12d, first control assembly 15 also is connected to the grid of the first switch element 12g of first processing components 12, so that the first switch element 12g responsive control signal, 150 actions, to control the output of the first adjusting electric current, need the expositor, in other embodiment, the first electric capacity 12d and the second electric capacity 12e can be omitted according to actual conditions, and therefore do not influence the operation and the function of light energy power circuit 1, it can be knows this technical field person institute understanding easily, does not add at this and gives unnecessary details.
In addition, first control assembly 15 also is connected to the anode of transform light energy assembly 11, the first electric capacity 12d and the tie point 12a between the first inductance 12f, to receive first shunt current 120.The source electrode and first that first control assembly 15 also is connected to the first inductance 12f, the first switch element 12g is the tie point 12b between the anode of element 12h forward, regulates electric current 122 to receive first.First control assembly 15 also is connected to the first tie point 12c of 2 of the negative terminal, the second electric capacity 12e of element 12h and energy storage components forward, to receive a last output current 124.
Next, will describe the formation of second processing components 13, second processing components 13 comprises forward element 13f of one the 3rd electric capacity 13c, one second inductance 13d, a second switch element 13e and one second.The 3rd electric capacity 13c has an anode, and second switch element 13e has an one source pole and a grid, second forward element 13f have an anode and a negative terminal.The 3rd electric capacity 13c is and transform light energy assembly 11, second switch element 13e and energy storage component 2 are and are connected in parallel, the second inductance 13d is connected to the anode of the 3rd electric capacity 13c and the source electrode of second switch element 13e, second forward the anode of element 13f be connected to the source electrode of second switch element 13e, second forward the negative terminal of element 13f be connected to the anode of the 3rd electric capacity 13c, first control assembly 15 is the grids that are coupled to the second switch element 13e of second processing components 13, so that the second switch element 13e of second processing components 13 responds this control signal action, to control the output of the second adjusting electric current, need the expositor, in other embodiment, the 3rd electric capacity 13c can be omitted according to actual conditions, and therefore do not influence the operation and the function of light energy power circuit 1, it can be knows this technical field person institute understanding easily, does not add at this and gives unnecessary details.
In addition, second processing components 14 comprises forward element 14f of one the 3rd electric capacity 14c, one second inductance 14d, a second switch element 14e and one second.The 3rd electric capacity 14c has an anode, and second switch element 14e has an one source pole and a grid, second forward element 14f have an anode and a negative terminal.The connected mode of each element in second processing components 14 is identical with second processing components 13, does not add at this and gives unnecessary details.Need the expositor, in other embodiment, the 3rd electric capacity 14c can be omitted according to actual conditions, and does not therefore influence the operation and the function of light energy power circuit 1, and it can be knows this technical field person institute understanding easily, does not also add at this and gives unnecessary details.
Be noted that, this technical field that is configured in of light energy power circuit 1 can be considered a low side step-down (low-side buck) configuration, but the present invention also can high-end step-down (high-side buck) configuration, high-end buck-boost (high-side buck-boost) configuration or low side buck-boost (low-side buck-boost) configuration realize, it can be is familiar with this technical field person, explanation institute by previous embodiment is understood easily, does not add at this and gives unnecessary details.
Fig. 2 is another enforcement aspect that illustrates present embodiment, and it is the part schematic diagram of a light energy power circuit 3, and light energy power circuit 3 is not being given unnecessary details with existing together mutually of light energy power circuit 1, only describes different parts at this.
The connected mode that is in electronic component in first processing components 12 inequality of light energy power circuit 3 and light energy power circuit 1, first processing components 12 comprises forward element 12h of one first electric capacity 12d, one second electric capacity 12e, one first inductance 12f, one first switch element 12g and one first.The first electric capacity 12d has a negative terminal, and the first switch element 12g has one source pole, a grid and a drain electrode, first forward element 12h have an anode.
The first electric capacity 12d is and transform light energy assembly 11, the first element 12h forward, the second electric capacity 12e and energy storage component 2 are and are connected in parallel, the source electrode of the first switch element 12g is connected to the negative terminal of the first electric capacity 12d, the drain electrode of the first switch element 12g is connected to the first forward anode and the first inductance 12f of element 12h, the first inductance 12f is connected to the second electric capacity 12e and energy storage component 2, first control assembly 15 also is connected to the grid of the first switch element 12g of first processing components 12, so that 150 actions of the first switch element 12g responsive control signal, to control the output of the first adjusting electric current.
In addition, first control assembly 15 also is connected to the tie point 12a between the anode of the transform light energy assembly 11 and the first electric capacity 12d, to receive this first shunt current 320.The drain electrode and first that first control assembly 15 also is connected to the first inductance 12f, the first switch element 12g is the tie point 12b between the anode of element 12h forward, regulates electric current 322 to receive first.First control assembly 15 also is connected to the tie point 12c of 2 of the second electric capacity 12e and energy storage components, to receive a last output current 324.
Fig. 3 is another enforcement aspect that illustrates present embodiment, and it is the part schematic diagram of a light energy power circuit 4, and light energy power circuit 4 is not being given unnecessary details with existing together mutually of light energy power circuit 1, only describes different parts at this.
Light energy power circuit 4 is in second processing components 13 and 14 with the inequality of light energy power circuit 1.Second processing components 13 comprises one the 3rd electric capacity 13c, one second inductance 13d, a second switch element 13e, one second forward element 13f and one second control assembly 13g.The 3rd electric capacity 13c has an anode, and second switch element 13e has an one source pole and a grid, second forward element 13f have an anode and a negative terminal.The 3rd electric capacity 13c is and transform light energy assembly 11, second switch element 13e and energy storage component 2 are and are connected in parallel, the second inductance 13d is connected to the anode of the 3rd electric capacity 13c and the source electrode of second switch unit 13e spare, second forward the anode of element 13f be connected to the source electrode of second switch element 13e, second forward the negative terminal of element 13f be connected to the anode of the 3rd electric capacity 13c, the second control assembly 13g is connected to the grid of second switch element 13e, first control assembly 15 is connected to the second control assembly 13g, so that second control assembly, 13 responsive control signals 150, make the second switch element 13e action of second processing components 13, to control the output of the second adjusting electric current.
Specifically, the second control assembly 13g also reaches in the last output current 424 of tie point 13h in order to second shunt current that is pursuant to tie point 13a, produces this second adjusting electric current.The second control assembly 13g also is connected to the anode of transform light energy assembly 11, the 3rd electric capacity 13c and the tie point between the first inductance 12f, to receive this second shunt current.The second control assembly 13g also is connected to second negative terminal of element 13f forward, should last output current 424 to receive.
Fig. 4 illustrates the second embodiment of the present invention, and it is the schematic diagram of a light energy power circuit 5, and it exists together mutually with light energy power circuit 4 and is no longer given unnecessary details, and only describes at this not exist together.
Light energy power circuit 5 and light energy power circuit 4 different be in, first processing components 12 is to be connected with the first transform light energy assembly 50, two processing components 13 and 14 respectively are connected with the second transform light energy assembly 51 and 52, its effect can be is familiar with this operator, understand easily according to 4 of above-mentioned light energy power circuits, do not add at this and give unnecessary details.
Fig. 5 illustrates the third embodiment of the present invention, it is the schematic diagram of a light energy power circuit 6, light energy power circuit 6 is to be coupled in 11 of an energy storage component 2 and transform light energy assemblies, transform light energy assembly 11 is in order to receive a luminous energy, and be an electric current with this transform light energy, light energy power circuit 6 is in order to receive and to regulate electric current, to provide to energy storage component 2 as output current 60.Light energy power circuit 6 comprises one first processing components 63, a plurality of second processing components (in this preferred embodiment, be second processing components 65 and second processing components 67) and one first control assembly 15, what this must emphasize be, the quantity of second processing components is not in order to limit the scope of the invention, in other embodiments, the quantity of second processing components can be other number.
First processing components 12 is to be coupled in 2 of transform light energy assembly 11 and energy storage components, in order to respond this electric current, produces one first shunt current 630 in tie point 63a, and regulates this first shunt current 630, produces one first in tie point 63b and regulates electric current 632.
Second processing components 65 and second processing components 67 are to be with first processing components 63 to be connected in parallel, second processing components 65, second processing components 67 and first processing components 63 in parallel are to be with transform light energy assembly 11 and energy storage component 2 to be connected in series, second processing components 65 and second processing components 67 are in order to respond this electric current, each produces 2 second shunt currents in tie point 65a and tie point 67a, and regulate second shunt current, produce 2 second adjusting electric currents in tie point 65b and tie point 67b.
First control assembly 15 is connected to first processing components 63, second processing components 65 and second processing components 67, and regulate electric current 632 in order to respond first shunt current 630, first, in a last output current 634 and the maximal power tracing mode of tie point 63c, produce a control signal 150 to these processing components (i.e. first processing components 63, second processing components 65 and second processing components 67), so that exporting these with an interlace mode, these processing components regulate electric current, to provide to energy storage component 2 as output current 60.
Specifically, first processing components 12 comprises forward element 63h of one first electric capacity 63f, one second electric capacity 63e, one first inductance 63i, one second inductance 63g, one first switch element 63d and one first.The first electric capacity 63f has an anode and a negative terminal, and the second electric capacity 63e has an anode, the first switch element 63d have one source pole, one the drain electrode and a grid, first forward element 63h have an anode.The first switch element 63d is and transform light energy assembly 11, the first inductance 63i, the second electric capacity 63e and energy storage component are and are connected in parallel, the first inductance 63i is connected between the source electrode of the transform light energy assembly 11 and the first switch element 63d, the anode of the first electric capacity 63f is connected to the source electrode of the first inductance 63i and the first switch element 63d, the negative terminal of the first electric capacity 63f is connected to the forward anode of element 63h of the second inductance 63g and first, first forward the anode of element 63h also be connected to the second inductance 63g, first forward the negative terminal of element 63h be connected to the anode of the second electric capacity 63e, first control assembly 15 also is connected to the grid of the first switch element 63d of first processing components 63, so that the first switch element 63d responsive control signal, 150 actions, to control the output of the first adjusting electric current, need the expositor, in other embodiment, the first electric capacity 63f and the second electric capacity 63e can be omitted according to actual conditions, and therefore do not influence the operation and the function of light energy power circuit 6, it can be knows this technical field person institute understanding easily, does not add at this and gives unnecessary details.
In addition, first control assembly 15 also is connected to the tie point 63a between the source electrode of the anode of transform light energy assembly 11, the first electric capacity 63f and the first switch element 13d, to receive first shunt current 630.The negative terminal, the second inductance 63g and first that first control assembly 15 also is connected to the first electric capacity 63f be the tie point 63b between the anode of element 63h forward, regulates electric current 632 to receive first.First control assembly 15 also is connected to the second electric capacity 63e, a tie point 63c of 2 of element 63h and energy storage components forward, to receive a last output current 634.
Next, will describe the formation of second processing components 65, second processing components 65 comprises forward element 65h of one the 3rd electric capacity 65f, one the 4th electric capacity 65e, one the 3rd inductance 65i, one the 4th inductance 65g, a second switch element 65d and one second.The 3rd electric capacity 65f has an anode and a negative terminal, and the 4th electric capacity 65e has an anode, and second switch element 65d has one source pole, a grid and a drain electrode, second forward element 65h have an anode.
Second switch element 65d is and transform light energy assembly 11, the 4th inductance 65g, the 4th electric capacity 65e and energy storage component 2 are and are connected in parallel, the 3rd inductance 65i is connected between the source electrode of transform light energy assembly 11 and second switch element 65d, the anode of the 3rd electric capacity 65f is connected to the source electrode of the 3rd inductance 65i and second switch element 65d, the negative terminal of the 3rd electric capacity 65f is connected to the forward anode of element 65h of the 4th inductance 65g and second, second forward the anode of element 65h also be connected to the 4th inductance 65g, second forward the negative terminal of element 65h be connected to the anode of the 4th electric capacity 65e, first control assembly 15 also is connected to the grid of the second switch element 65d of second processing components 65, so that 150 actions of second switch element 65d responsive control signal, to control the output of the second adjusting electric current.Need the expositor, tie point 65c and tie point 63c can be considered same tie point, in other embodiment, the 3rd electric capacity 65f and the 4th electric capacity 65e can be omitted according to actual conditions, and therefore do not influence the operation and the function of light energy power circuit 6, it can be knows this technical field person institute understanding easily, does not add at this and gives unnecessary details.
In addition, second processing components 67 comprises forward element 67h of one the 3rd electric capacity 67f, one the 4th electric capacity 67e, one the 3rd inductance 67i, one the 4th inductance 67g, a second switch element 67d and one second.The 3rd electric capacity 67f has an anode and a negative terminal, and the 4th electric capacity 67e has an anode, and second switch element 67d has one source pole, a grid and a drain electrode, second forward element 67h have an anode.The connected mode of each element in second processing components 67 is identical with second processing components 65, does not add at this and gives unnecessary details.And need the expositor, tie point 67c and tie point 63c can be considered same tie point, in other embodiment, the 3rd electric capacity 67f and the 4th electric capacity 67e can be omitted according to actual conditions, and therefore do not influence the operation and the function of light energy power circuit 6, it can be knows this technical field person institute understanding easily, does not also add at this and gives unnecessary details.
Fig. 6 illustrates the fourth embodiment of the present invention, it is the schematic diagram of a light energy power circuit 7, light energy power circuit 7 is coupled between an energy storage component 2 and the transform light energy assembly 11, transform light energy assembly 11 is in order to receive a luminous energy, and be an electric current with transform light energy, light energy power circuit 7 is in order to receive and to regulate this electric current, to provide to energy storage component 2 as output current 10.Light energy power circuit 7 comprises one first processing components 12, a plurality of second processing components (in this preferred embodiment, being second processing components 13 and second processing components 14) and one first control assembly 15.The light energy power circuit 1 of light energy power circuit 7 and the foregoing description is identical to be in this omission and to repeat no more, and hereinafter, will describe the two different piece.
The light energy power circuit 1 of light energy power circuit 7 and the foregoing description is different be in, first control assembly 15 is exported this output current 10 to energy storage component 2 in a maximal power tracing mode, details are as follows.First control assembly 15 detects the energy storage status signals 20 that this energy storage component 2 produces; and response energy storage status signals 20 produces a charge protection signal; so that these processing components respond this charge protection signal; export these and regulate electric current, to provide to energy storage component 2, specifically as this output current 10; energy storage component 2 its energy inputs of response; be tie point 12C, a terminal voltage or a terminal voltage rate of change, produce this energy storage status signals 20.
So, the magnitude of current of output current 10 can cooperate energy storage situation and maximum power tracing mode, is adjusted by first control assembly 15.
Specifically; first control assembly 15 is in order to detect the energy storage situation of this energy storage component 2; for example in charging process; whether detect energy storage component 2 near saturated; and produce this charge protection signal according to the energy storage situation of this energy storage component 2; by cooperating of this charge protection signal and maximum power tracing mode, adjust the magnitude of current of output current 10.For example; this charge protection signal can be an adjustable recurrent pulses charge switch signal; then will respond the maximum power tracing mode originally produces; be multiplied by this recurrent pulses charge switch signal in order to the switching signal of switching this switch element; in other words; according to the producing method of aforementioned energy storage status signals 20, the on-off ratio (duty) of this recurrent pulses charge switch signal can be according to the terminal voltage of energy storage component 2 or terminal voltage rate of change and produces.Again, this charge protection signal also can be one and has the pulse signal that can adjust on-off ratio, and first control assembly 15 is by adjusting this on-off ratio of this pulse signal, with the magnitude of current of control and average this output current 10.
Be noted that, the characteristic of aforementioned terminal voltage and on-off ratio is, approaching more charging is saturated, then the terminal voltage of energy storage component 2 is high more and climbing speed terminal voltage is fast more, first control assembly 15 can be according to the magnitude of voltage of the terminal voltage of energy storage component 2 or the on-off ratio that the voltage climbing speed is adjusted this recurrent pulses charge switch signal, to control the switch element in these processing components, to reach the effect of pulse current charge (pulse charging), by adjusting the on-off ratio of this recurrent pulses charge switch signal, can control the mean charging current size, the terminal voltage of energy storage component 2 is high more or the more little then on-off ratio of voltage climbing speed is more little in addition, whereby, can help to shorten charging interval of energy storage component 2 and prolong its life-span.
Fig. 7 illustrates the fifth embodiment of the present invention, and it is the schematic diagram of a light energy power circuit 8, and the light energy power circuit of light energy power circuit 8 and the foregoing description 3 is identical to be in this omission and to repeat no more, and hereinafter, will describe the two different piece.
The light energy power circuit 3 of light energy power circuit 8 and the foregoing description is different be in; first control assembly 15 is in order to detect an energy storage situation of this energy storage component 2; and response energy storage status signals 20 produces a charge protection signal; so that these processing components respond this charge protection signal; export these and regulate electric current; to provide to energy storage component 2 as output current 10, it can be understood easily by the explanation institute of aforementioned the 4th embodiment, does not add at this and gives unnecessary details.
Fig. 8 illustrates the sixth embodiment of the present invention, and it is the schematic diagram of a light energy power circuit 9, and the light energy power circuit of light energy power circuit 9 and the foregoing description 4 is identical to be in this omission and to repeat no more, and hereinafter, will describe the two different piece.
Light energy power circuit 9 is with the light energy power circuit 4 of the foregoing description; first control assembly 15 is in order to detect an energy storage situation of this energy storage component 2; and response energy storage status signals 20 produces a charge protection signal; so that these processing components respond this charge protection signal; export these and regulate electric current; to provide to energy storage component 2 as output current 10, it can be understood easily by the explanation institute of aforementioned the 4th embodiment, does not add at this and gives unnecessary details.
Fig. 9 illustrates the seventh embodiment of the present invention, and it is the schematic diagram of a light energy power circuit 16, and the light energy power circuit of light energy power circuit 16 and the foregoing description 5 is identical to be in this omission and to repeat no more, and hereinafter, will describe the two different piece.
Light energy power circuit 16 is with the light energy power circuit 5 of the foregoing description; first control assembly 15 is in order to detect an energy storage situation of this energy storage component 2; and response energy storage status signals 20 produces a charge protection signal; so that these processing components respond this charge protection signal; export these and regulate electric current; to provide to energy storage component 2 as output current 10, it can be understood easily by the explanation institute of aforementioned the 4th embodiment, does not add at this and gives unnecessary details.
Figure 10 illustrates the eighth embodiment of the present invention, and it is the schematic diagram of a light energy power circuit 17, and the light energy power circuit of light energy power circuit 17 and the foregoing description 6 is identical to be in this omission and to repeat no more, and hereinafter, will describe the two different piece.
Light energy power circuit 17 is with the light energy power circuit 6 of the foregoing description; first control assembly 15 is in order to detect an energy storage situation of this energy storage component 2; and response energy storage status signals 20 produces a charge protection signal; so that these processing components respond this charge protection signal; export these and regulate electric current; to provide to energy storage component 2 as output current 60, it can be understood easily by the explanation institute of aforementioned the 4th embodiment, does not add at this and gives unnecessary details.
In sum, each control assembly of the present invention is to realize with hardware circuit, do not need extra software engineer to write program code control, and the present invention connects these processing components parallel way, to reduce the power of electric current, avoid control assembly to damage because of current power is too high.
The above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not to be used for limiting category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of the isotropism scope that all belongs to the present invention and advocated, protection scope of the present invention should be as the criterion with the application's claim institute restricted portion.