CN205249553U - A power saving power module circuit and LED lamp driving circuit for integrated circuit - Google Patents
A power saving power module circuit and LED lamp driving circuit for integrated circuit Download PDFInfo
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- CN205249553U CN205249553U CN201520959940.3U CN201520959940U CN205249553U CN 205249553 U CN205249553 U CN 205249553U CN 201520959940 U CN201520959940 U CN 201520959940U CN 205249553 U CN205249553 U CN 205249553U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model relates to a power saving power module circuit and LED lamp driving circuit for integrated circuit, power saving power module circuit includes dropping resistor, zener diode, rectifier bridge circuit and triode transistor to reach the voltage detecting control module that the control triode transistor switched on and ended, dropping resistor and zener diode series electrically connected are at the output both ends of rectifier bridge circuit, the first ploe electricity of triode transistor is connected between dropping resistor and zener diode, and the forward transportation output at the rectifier bridge circuit is connected to the second ploe of triode transistor electricity, and the third of triode transistor extremely is electrically connected to integrated circuit's power port, the voltage detecting control module electricity is connected at the output both ends of rectifier bridge circuit, and this voltage detecting control module still is electrically connected to the first ploe of triode transistor. The utility model discloses power saving power module circuit can reduce the loss that integrated circuit got the electricity from high -pressure commercial power, has circuit structure and simple, with low costs and practice thrift advantage such as electric energy.
Description
【Technical field】
The utility model relates to power supply circuits, particularly relates to the power supply circuits for integrated circuit; The utility model also relates to LED lamp drive circuit.
【Background technology】
The Switching Power Supply that connects civil power has that conversion efficiency is high, loss is low and the advantage such as volume is little, has been used in as in the various application such as power supply adaptor and LED lamp drive circuit, and LED lamp drive circuit is used to provide power supply to LED lamp; But the electric energy loss of the integrated circuit of their core is a higher loss, particularly in the time of zero load. LED of the present utility model is the abbreviation of English LightEmittingDiode, and the Chinese meaning is " light emitting diode ".
Referring to Figure 19, prior art is for the supply module circuit of integrated circuit, generally to power to integrated circuit 200 with dropping resistor RV and Zener diode DV, because the utilization voltage of integrated circuit 200 is lower, and line voltage after rectification is more much higher than the utilization voltage of integrated circuit 200, this causes the direct loss of electric energy of significant proportion on dropping resistor RV.
Referring to Figure 20, prior art also has a kind of supply module circuit for integrated circuit, is that the Zener diode DV of clamper is integrated in to integrated circuit 200 the insides; The operating current of general integrated circuit 200 is lower, so the electric energy of loss on dropping resistor RV shared proportion in whole system is smaller; But in the time of zero load or when standby, the shared proportion of this part loss is just larger; And the stand-by times of a lot of application are also longer than service time, as be used in the supply module circuit of the integrated circuit in the LED lamp drive circuit on remote control LED lamp, this has wasted much electricity while just causing standby.
【Utility model content】
The technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and a kind of power saving supply module circuit for integrated circuit and LED lamp drive circuit is provided, adopt this power saving supply module circuit, not only can provide burning voltage to integrated circuit, and can also reduce the loss of integrated circuit from the power taking of high pressure civil power, and in the time that integrated circuit enters park mode, can be the power-dissipation-reduced of the standby of original supply module circuit, namely can also reduce the power consumption of standby, thereby save electric energy; Have that circuit structure is simple, cost is low and save the advantages such as electric energy. The utility model power saving supply module circuit is particularly suitable for LED lamp drive circuit, can reduce the power consumption of the standby of remote control LED lamp.
The technical scheme that the utility model solve the technical problem employing is:
For a power saving supply module circuit for integrated circuit, comprise dropping resistor RV and Zener diode DV, and commercial power rectification is become to the rectifier circuit B1 of pulsating direct current; After described dropping resistor RV and Zener diode DV series connection, be connected electrically in the output two ends of described rectifier circuit B1, the plus earth of wherein said Zener diode DV, this ground is exactly the negative output terminal of described rectifier circuit B1, and described dropping resistor RV is electrically connected the positive output end of described rectifier circuit B1; Described power saving supply module circuit also comprises triode transistor, and controls the voltage detecting control module of described triode transistor conducting and cut-off; First utmost point of described triode transistor is connected electrically between described dropping resistor RV and Zener diode DV, second utmost point of described triode transistor is connected electrically in the positive output end of described rectifier circuit B1, described triode transistor the 3rd very output be electrically connected to the power port of integrated circuit; Described voltage detecting control module is connected electrically in the output two ends of described rectifier circuit B1, and this voltage detecting control module is also electrically connected to first utmost point of described triode transistor; The voltage that described voltage detecting control module detects described rectifier circuit B1 output two ends is during higher than setting voltage value, make described triode transistor cut-off, the voltage that described voltage detecting control module detects described rectifier circuit B1 output two ends during lower than setting voltage value, makes described triode transistor conducting.
Described power saving supply module circuit also comprises the 4th resistance R 4, the second Zener diode D2 and the second triode transistor; After described the 4th resistance R 4 and the second Zener diode D2 series connection, be connected electrically between the 3rd utmost point and ground of described triode transistor, wherein said the 4th resistance R 4 is electrically connected the 3rd utmost point of described triode transistor, the plus earth of described the second Zener diode D2; First utmost point of described the second triode transistor is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, second utmost point of described the second triode transistor is electrically connected to the 3rd utmost point of described triode transistor, now the 3rd of described the second triode transistor the very output be electrically connected to the power port of integrated circuit.
Described the second triode transistor is NPN type triode Q3 or N-type FET; Wherein the base stage of triode Q3 or the grid of FET are first utmost point of described the second triode transistor, the colelctor electrode of triode Q3 or the drain electrode of FET are second utmost point of described the second triode transistor, and the emitter stage of triode Q3 or the source electrode of FET are the 3rd utmost point of described the second triode transistor.
Described triode transistor is NPN type triode Q5 or N-type FET Q1; First utmost point that wherein grid of the base stage of triode Q5 or FET Q1 is described triode transistor, the drain electrode of the colelctor electrode of triode Q5 or FET Q1 is second utmost point of described triode transistor, the 3rd utmost point that the source electrode of the emitter stage of triode Q5 or FET Q1 is described triode transistor.
Described power saving supply module circuit also comprises capacitor C 1, and this capacitor C 1 is connected electrically between the 3rd utmost point and ground of described triode transistor.
Described voltage detecting control module comprises the first resistance R 1, the second resistance R 2 and the first triode transistor; The output two ends that are connected electrically in described rectifier circuit B1 after described the first resistance R 1 and the second resistance R 2 series connection, wherein said the first resistance R 1 is electrically connected the positive output end of described rectifier circuit B1; First utmost point of described the first triode transistor is connected electrically between described the first resistance R 1 and the second resistance R 2, and second utmost point of described the first triode transistor is electrically connected to first utmost point of described triode transistor, the 3rd utmost point ground connection of described the first triode transistor.
Or described voltage detecting control module comprises the first resistance R 1, the 3rd Zener diode D3 and the first triode transistor; After described the first resistance R 1 and the 3rd Zener diode D3 series connection, be connected electrically between the positive output end of described rectifier circuit B1 and first utmost point of described the first triode transistor, wherein said the first resistance R 1 is electrically connected the positive output end of described rectifier circuit B1, the anode of described the 3rd Zener diode D3 is electrically connected first utmost point of described the first triode transistor, second utmost point of described the first triode transistor is electrically connected to first utmost point of described triode transistor, the 3rd utmost point ground connection of described the first triode transistor.
Described the first triode transistor is NPN type triode Q2 or N-type FET Q6; Wherein the grid of the base stage of triode Q2 or FET Q6 is first utmost point of described the first triode transistor, the drain electrode of the colelctor electrode of triode Q2 or FET Q6 is second utmost point of described the first triode transistor, and the source electrode of the emitter stage of triode Q2 or FET Q6 is the 3rd utmost point of described the first triode transistor.
The utility model also provides a kind of LED lamp drive circuit, comprise the DC-DC reduction voltage circuit of switch element, diode D4, inductance L 1 and LED lamp composition, and commercial power rectification is become to rectifier circuit B1, circuit for regulating and controlling and the power saving supply module circuit for this circuit for regulating and controlling lowering and stabilizing blood pressure power supply of pulsating direct current; Described power saving supply module circuit comprises dropping resistor RV and Zener diode DV, after described dropping resistor RV and Zener diode DV series connection, be connected electrically in the output two ends of described rectifier circuit B1, the plus earth of wherein said Zener diode DV, this ground is exactly the negative output terminal of described rectifier circuit B1, and described dropping resistor RV is electrically connected the positive output end of described rectifier circuit B1; Described power saving supply module circuit also comprises triode transistor, and controls the voltage detecting control module of described triode transistor conducting and cut-off; First utmost point of described triode transistor is connected electrically between described dropping resistor RV and Zener diode DV, second utmost point of described triode transistor is connected electrically in the positive output end of described rectifier circuit B1, described triode transistor the 3rd very output be electrically connected to the power port of circuit for regulating and controlling; Described voltage detecting control module is connected electrically in the output two ends of described rectifier circuit B1, and this voltage detecting control module is also electrically connected to first utmost point of described triode transistor; The voltage that described voltage detecting control module detects described rectifier circuit B1 output two ends is during higher than setting voltage value, make described triode transistor cut-off, the voltage that described voltage detecting control module detects described rectifier circuit B1 output two ends during lower than setting voltage value, makes described triode transistor conducting.
Described power saving supply module circuit also comprises the 4th resistance R 4, the second Zener diode D2 and the second triode transistor; After described the 4th resistance R 4 and the second Zener diode D2 series connection, be connected electrically between the 3rd utmost point and ground of described triode transistor, wherein said the 4th resistance R 4 is electrically connected the 3rd utmost point of described triode transistor, the plus earth of described the second Zener diode D2; First utmost point of described the second triode transistor is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, second utmost point of described the second triode transistor is electrically connected to the 3rd utmost point of described triode transistor, now the 3rd of described the second triode transistor the very output be electrically connected to the power port of circuit for regulating and controlling.
Compared with the existing technology, the utility model is for the power saving supply module circuit of integrated circuit and the beneficial effect of LED lamp drive circuit:
One, be also provided with the triode transistor of amplification due to the utility model power saving supply module circuit, make the utility model supply module circuit except providing burning voltage to integrated circuit, in the time that integrated circuit enters park mode, can also reduce the power consumption of standby; When standby, what mainly consume electric energy is dropping resistor, plays amplification because triode transistor is just used as current follower, and the electric current of dropping resistor consumption can be low to moderate several microamperes, power consumption on dropping resistor is reduced greatly, so save very much electric energy;
Two, because the utility model power saving supply module circuit is also provided with the voltage detecting control module of controlling triode transistor conducting and cut-off, the voltage that rectifier circuit output two ends detected when voltage detecting control module like this during higher than setting voltage value, just can make triode transistor end; The voltage that rectifier circuit output two ends detected when voltage detecting control module during lower than setting voltage value, just can make triode transistor conducting; Thereby reduce the loss of integrated circuit from the power taking of high pressure civil power.
Three, the utility model power saving supply module circuit has that circuit structure is simple, cost is low and saves the advantages such as electric energy.
Four, the utility model power saving supply module circuit is particularly suitable for LED lamp drive circuit, can reduce the power consumption of the standby of remote control LED lamp.
【Brief description of the drawings】
Fig. 1 is the simple and clear electric principle block diagram of the utility model for the power saving supply module circuit embodiments one of integrated circuit;
Fig. 2 is the simple and clear electric principle block diagram of described power saving supply module circuit embodiments two;
Fig. 3 is the electric principle schematic of described power saving supply module circuit embodiments three;
Fig. 4 is the electric principle schematic of described power saving supply module circuit embodiments four;
Fig. 5 is the physical circuit schematic diagram of described power saving supply module circuit embodiments five;
Fig. 6 is the physical circuit schematic diagram of described power saving supply module circuit embodiments six;
Fig. 7 is the physical circuit schematic diagram of described power saving supply module circuit embodiments seven;
Fig. 8 is the physical circuit schematic diagram of described power saving supply module circuit embodiments eight;
Fig. 9 is the physical circuit schematic diagram of described power saving supply module circuit embodiments nine;
Figure 10 is the physical circuit schematic diagram of described power saving supply module circuit embodiments ten;
Figure 11 is the physical circuit schematic diagram of described power saving supply module circuit embodiments 11;
Figure 12 is the physical circuit schematic diagram of described power saving supply module circuit embodiments 12;
Figure 13 is the physical circuit schematic diagram of described power saving supply module circuit embodiments 13;
Figure 14 is the physical circuit schematic diagram of described power saving supply module circuit embodiments 14;
Figure 15 is the simple and clear electric principle block diagram of described power saving supply module circuit for the circuit for regulating and controlling in LED drive circuit, is also the simple and clear electric principle schematic of the utility model LED lamp drive circuit embodiment mono-;
Figure 16 is the simple and clear electric principle block diagram of described LED lamp drive circuit embodiment bis-;
Figure 17 is the physical circuit schematic diagram of described LED lamp drive circuit embodiment tri-;
Figure 18 is the physical circuit schematic diagram of described LED lamp drive circuit embodiment tetra-;
Figure 19 is the electric principle schematic of prior art for an embodiment of supply module circuit of integrated circuit;
Figure 20 is the electric principle schematic of another embodiment of supply module circuit described in prior art.
[detailed description of the invention]
Below in conjunction with each accompanying drawing, the utility model is described in further detail.
Described power saving supply module circuit embodiments one:
Referring to Fig. 1, a kind of power saving supply module circuit for integrated circuit, comprises dropping resistor RV and Zener diode DV, and commercial power rectification is become to the rectifier circuit B1 of pulsating direct current; After described dropping resistor RV and Zener diode DV series connection, be connected electrically in the output two ends of described rectifier circuit B1, the plus earth of wherein said Zener diode DV, this ground is exactly the negative output terminal of described rectifier circuit B1, and described dropping resistor RV is electrically connected the positive output end of described rectifier circuit B1; Described power saving supply module circuit also comprises triode transistor 900, and controls the voltage detecting control module 800 of described triode transistor 900 conductings and cut-off; First utmost point of described triode transistor 900 is connected electrically between described dropping resistor RV and Zener diode DV, second utmost point of described triode transistor 900 is connected electrically in the positive output end of described rectifier circuit B1, described triode transistor 900 the 3rd very output be electrically connected to the power port of integrated circuit 200; Described voltage detecting control module 800 is connected electrically in the output two ends of described rectifier circuit B1, and this voltage detecting control module 800 is also electrically connected to first utmost point of described triode transistor 900; The voltage that described voltage detecting control module 800 detects described rectifier circuit B1 output two ends is during higher than setting voltage value, described triode transistor 900 is ended, the voltage that described voltage detecting control module 800 detects described rectifier circuit B1 output two ends during lower than setting voltage value, makes described triode transistor 900 conductings.
Because the voltage of exporting two ends after rectifier circuit B1 rectification changed with 100 hertz of cycles, pace of change is very fast, the time that equals setting voltage value when the voltage at described rectifier circuit B1 output two ends is very short, generally tens microseconds, within whole cycle time less than 1% ratio, negligible, if when the voltage at described rectifier circuit B1 output two ends equals setting voltage value, described triode transistor 900 is operated in half conducting state, and the at this moment loss of triode transistor 900 is larger.
In the present embodiment, described triode transistor 900 is NPN type triode Q5 or N-type FET Q1; Wherein the grid of the base stage of triode Q5 or FET Q1 is first utmost point of described triode transistor 900, the drain electrode of the colelctor electrode of triode Q5 or FET Q1 is second utmost point of described triode transistor 900, and the source electrode of the emitter stage of triode Q5 or FET Q1 is the 3rd utmost point of described triode transistor 900. That is to say, when described triode transistor 900 is NPN type triode Q5, the base stage of triode Q5 is connected electrically between described dropping resistor RV and Zener diode DV, the colelctor electrode of triode Q5 is connected electrically in the positive output end of described rectifier circuit B1, and the transmitting of triode Q5 very output is electrically connected to the power port of integrated circuit 200; When described triode transistor 900 is N-type FET Q1, the grid of FET Q1 is connected electrically between described dropping resistor RV and Zener diode DV, the drain electrode of FET Q1 is connected electrically in the positive output end of described rectifier circuit B1, and the source electrode of FET Q1 is the power port that output is electrically connected to integrated circuit 200.
In the present embodiment, described power saving supply module circuit also comprises capacitor C 1, and this capacitor C 1 is connected electrically between the 3rd utmost point and ground of described triode transistor 900. The effect of capacitor C 1 has been energy storage and pressure stabilization function, has had this capacitor C 1, and described power saving supply module circuit can be exported more stable voltage.
Described power saving supply module circuit embodiments two:
Referring to Fig. 2, the present embodiment and described power saving supply module circuit embodiments one are basic identical, and different is on the basis of described power saving supply module circuit embodiments one, and the present embodiment has increased a voltage stabilizing circuit module, namely:
Described power saving supply module circuit also comprises the 4th resistance R 4, the second Zener diode D2 and the second triode transistor 600; After described the 4th resistance R 4 and the second Zener diode D2 series connection, be connected electrically between the 3rd utmost point and ground of described triode transistor 900, wherein said the 4th resistance R 4 is electrically connected the 3rd utmost point of described triode transistor 900, the plus earth of described the second Zener diode D2; First utmost point of described the second triode transistor 600 is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, second utmost point of described the second triode transistor 600 is electrically connected to the 3rd utmost point of described triode transistor 900, now the 3rd of described the second triode transistor 600 the very output be electrically connected to the power port of integrated circuit 200. Described the 4th resistance R 4, the second Zener diode D2 and the second triode transistor 600 form a voltage stabilizing circuit module, while being operated in switching mode due to described triode transistor 900, the 3rd utmost point output of described triode transistor 900, namely the voltage of node DC1 has pulsating volage by a relatively large margin. Again after a voltage stabilizing circuit module, the 3rd utmost point output of described the second triode transistor 600, namely the voltage of node DC2 is just very stable.
In the present embodiment, described the second triode transistor 600 is NPN type triode Q3 or N-type FET; Wherein the base stage of triode Q3 or the grid of FET are first utmost point of described the second triode transistor 600, the colelctor electrode of triode Q3 or the drain electrode of FET are second utmost point of described the second triode transistor 600, and the emitter stage of triode Q3 or the source electrode of FET are the 3rd utmost point of described the second triode transistor 600. That is to say, when described the second triode transistor 600 is NPN type triode Q3, the base stage of triode Q3 is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, the colelctor electrode of triode Q3 is connected electrically in the 3rd utmost point of described triode transistor 900, and the transmitting of triode Q3 very output is electrically connected to the power port of integrated circuit 200; When described the second triode transistor 600 is N-type FET, the grid of FET is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, the drain electrode of FET is connected electrically in the 3rd utmost point of described triode transistor 900, and the source electrode of FET is the power port that output is electrically connected to integrated circuit 200.
In the present embodiment, described power saving supply module circuit also comprises capacitor C 2, and this capacitor C 2 is connected electrically between the 3rd utmost point and ground of described the second triode transistor 600. The effect of capacitor C 2 has been also energy storage and pressure stabilization function, has had this capacitor C 2, and described power saving supply module circuit can be exported more stable voltage.
Described power saving supply module circuit embodiments three:
Referring to Fig. 3, the present embodiment and described power saving supply module circuit embodiments one are basic identical, and different is that the voltage detecting control module 800 of described power saving supply module circuit embodiments one has been provided to a circuit design roughly, is specially:
Described voltage detecting control module 800 comprises the first resistance R 1, the second resistance R 2 and the first triode transistor 880; The output two ends that are connected electrically in described rectifier circuit B1 after described the first resistance R 1 and the second resistance R 2 series connection, wherein said the first resistance R 1 is electrically connected the positive output end of described rectifier circuit B1; First utmost point of described the first triode transistor 880 is connected electrically between described the first resistance R 1 and the second resistance R 2, second utmost point of described the first triode transistor 880 is electrically connected to first utmost point of described triode transistor 900, the 3rd utmost point ground connection of described the first triode transistor 880.
In the present embodiment, described the first triode transistor 880 is NPN type triode Q2 or N-type FET Q6; Wherein the grid of the base stage of triode Q2 or FET Q6 is first utmost point of described the first triode transistor 880, the drain electrode of the colelctor electrode of triode Q2 or FET Q6 is second utmost point of described the first triode transistor 880, and the source electrode of the emitter stage of triode Q2 or FET Q6 is the 3rd utmost point of described the first triode transistor 880. That is to say, when described the first triode transistor 880 is NPN type triode Q2, the base stage of triode Q2 is connected electrically between described the first resistance R 1 and the second resistance R 2, and the colelctor electrode of triode Q2 is connected electrically in first utmost point of described triode transistor 900, the grounded emitter of triode Q2; When described the first triode transistor 880 is N-type FET Q6, the grid of FET Q6 is connected electrically between described the first resistance R 1 and the second resistance R 2, the drain electrode of FET Q6 is connected electrically in first utmost point of described triode transistor 900, the source ground of FET Q6.
Described power saving supply module circuit embodiments four:
Referring to Fig. 4, the present embodiment and described power saving supply module circuit embodiments one are basic identical, and different is that the voltage detecting control module 800 of described power saving supply module circuit embodiments one has been provided to another one circuit design roughly, is specially:
Described voltage detecting control module 800 comprises the first resistance R 1, the 3rd Zener diode D3 and the first triode transistor 880; After described the first resistance R 1 and the 3rd Zener diode D3 series connection, be connected electrically between the positive output end of described rectifier circuit B1 and first utmost point of described the first triode transistor 880, wherein said the first resistance R 1 is electrically connected the positive output end of described rectifier circuit B1, the anode of described the 3rd Zener diode D3 is electrically connected first utmost point of described the first triode transistor 880, second utmost point of described the first triode transistor 880 is electrically connected to first utmost point of described triode transistor 900, the 3rd utmost point ground connection of described the first triode transistor 880.
In the present embodiment, described the first triode transistor 880 is NPN type triode Q2 or N-type FET Q6; Wherein the grid of the base stage of triode Q2 or FET Q6 is first utmost point of described the first triode transistor 880, the drain electrode of the colelctor electrode of triode Q2 or FET Q6 is second utmost point of described the first triode transistor 880, and the source electrode of the emitter stage of triode Q2 or FET Q6 is the 3rd utmost point of described the first triode transistor 880. That is to say, when described the first triode transistor 880 is NPN type triode Q2, the base stage of triode Q2 is electrically connected to the anode of described the 3rd Zener diode D3, and the colelctor electrode of triode Q2 is connected electrically in first utmost point of described triode transistor 900, the grounded emitter of triode Q2; When described the first triode transistor 880 is N-type FET Q6, the grid of FET Q6 is electrically connected to the anode of described the 3rd Zener diode D3, the drain electrode of FET Q6 is connected electrically in first utmost point of described triode transistor 900, the source ground of FET Q6.
In Fig. 4, do not draw integrated circuit 200, this integrated circuit 200 is connected electrically on node DC1.
Described power saving supply module circuit embodiments five:
Referring to Fig. 5, the present embodiment and described power saving supply module circuit embodiments three are basic identical, different is to described power saving supply module circuit embodiments three triode transistor 900 and the first triode transistor 880 have been selected a concrete electronic component, are specially:
1. described triode transistor 900 is N-type FET Q1, the grid of FET Q1 is connected electrically between described dropping resistor RV and Zener diode DV, the drain electrode of FET Q1 is connected electrically in the positive output end of described rectifier circuit B1, and the source electrode of FET Q1 is the power port that output is electrically connected to integrated circuit 200;
2. when described the first triode transistor 880 is NPN type triode Q2, the base stage of triode Q2 is connected electrically between described the first resistance R 1 and the second resistance R 2, and the colelctor electrode of triode Q2 is connected electrically in the grid of FET Q1, the grounded emitter of triode Q2.
In the present embodiment, described capacitor C 1 is connected electrically between the source electrode and ground of described FET Q1. The effect of capacitor C 1 has been energy storage and pressure stabilization function, has had this capacitor C 1, and described power saving supply module circuit can be exported more stable voltage.
The voltage of electric main after rectifier circuit B1 rectification is not stop by 0 to 300 volt the DC pulse moving voltage fluctuating with 100 hertz (refer to China here, other national frequency is different with voltage, but this power saving supply module circuit is equally suitable for) substantially. At the conducting voltage V of this hypothesis NPN type triode Q2d, for example conducting voltage V of triode Q2dBe 0.5 volt, rule of thumb formula: setting voltage value V=(R1+R2) * Vd/ R2; When the voltage VDD at described rectifier circuit B1 output two ends is during lower than setting voltage value V, the base voltage of triode Q2 is less than its conducting voltage Vd, triode Q2 cut-off, at this moment the grid voltage of N-type FET Q1 is drawn high by dropping resistor RV, FET Q1 conducting, electric current just can flow to node DC1 by N-type FET Q1 from node VDD; And when the voltage VDD at described rectifier circuit B1 output two ends is during higher than setting voltage value V, the base voltage of triode Q2 is greater than its conducting voltage Vd, triode Q2 conducting, at this moment the grid voltage of N-type FET Q1 is dragged down, FET Q1 cut-off, electric current can not flow to node DC1 by N-type FET Q1 from node VDD. The span of general setting voltage value V is more applicable between 10～100 volts.
The basic functional principle of the present embodiment power saving supply module circuit is exactly to control conducting and the cut-off of FET Q1 by the resistance of controlling resistance R1 and resistance R 2, allow FET Q1 conducting in the time of the low pressure (lower than setting voltage value V) of DC pulse moving voltage, cut-off when high pressure (higher than setting voltage value V), thus the loss of integrated circuit 200 from the power taking of high pressure civil power reduced. When being on the scene effect pipe Q1 cut-off, the electric energy that the power supply of integrated circuit 200 can be stored by capacitor C 1 is powered. Because the multiplication factor of N-type FET Q1 is very high, resistance R 1 and dropping resistor RV can get very large resistance, even can be up to more than 10 megaohms, and their losses in whole circuit are very low.
And in the time that integrated circuit 200 enters park mode, when namely standby, that mainly consume electric energy is dropping resistor RV, it is much lower when the current ratio integrated circuit 200 that dropping resistor RV consumes is worked, can be low to moderate several microamperes, the power consumption on dropping resistor RV is reduced greatly, save very much electric energy.
Described power saving supply module circuit embodiments six:
Referring to Fig. 6, the present embodiment and described power saving supply module circuit embodiments five are basic identical, and the different N-type FET Q1 by described power saving supply module circuit embodiments five have changed NPN type triode Q5 into, are specially:
Described triode transistor 900 is NPN type triode Q5, the base stage of triode Q5 is connected electrically between described dropping resistor RV and Zener diode DV, the colelctor electrode of triode Q5 is connected electrically in the positive output end of described rectifier circuit B1, and the transmitting of triode Q5 very output is electrically connected to the power port of integrated circuit 200.
In the present embodiment, described capacitor C 1 is connected electrically between the emitter stage and ground of described triode Q5.
In Fig. 6, do not draw integrated circuit 200, this integrated circuit 200 is connected electrically on node DC1.
The present embodiment has just changed NPN type triode Q5 into the N-type FET Q1 in embodiment five, and its principle is similar to embodiment five, does not repeat them here.
Described power saving supply module circuit embodiments seven:
Referring to Fig. 7, the present embodiment and described power saving supply module circuit embodiments five are basic identical, and the different NPN type triode Q2 by described power saving supply module circuit embodiments five have changed N-type FET Q6 into, are specially:
When described the first triode transistor 880 is N-type FET Q6, the grid of FET Q6 is connected electrically between described the first resistance R 1 and the second resistance R 2, the drain electrode of FET Q6 is connected electrically in first utmost point of described triode transistor 900, the source ground of FET Q6.
In Fig. 7, also do not draw integrated circuit 200, this integrated circuit 200 is connected electrically on node DC1.
The present embodiment has just changed N-type FET Q6 into the NPN type triode Q2 in described power saving supply module circuit embodiments five, and its principle is similar to described power saving supply module circuit embodiments five, does not repeat them here.
Described power saving supply module circuit embodiments eight:
Referring to Fig. 8, the present embodiment and described power saving supply module circuit embodiments four are basic identical, different is to described power saving supply module circuit embodiments four triode transistor 900 and the first triode transistor 880 have been selected a concrete electronic component, are specially:
1. described triode transistor 900 is N-type FET Q1, the grid of FET Q1 is connected electrically between described dropping resistor RV and Zener diode DV, the drain electrode of FET Q1 is connected electrically in the positive output end of described rectifier circuit B1, and the source electrode of FET Q1 is the power port that output is electrically connected to integrated circuit 200;
2. when described the first triode transistor 880 is NPN type triode Q2, the base stage of triode Q2 is electrically connected to the anode of described the 3rd Zener diode D3, the colelctor electrode of triode Q2 is connected electrically in first utmost point of described triode transistor 900, the grounded emitter of triode Q2.
In the present embodiment, described capacitor C 1 is connected electrically between the source electrode and ground of described FET Q1. The effect of capacitor C 1 has been energy storage and pressure stabilization function, has had this capacitor C 1, and described power saving supply module circuit can be exported more stable voltage.
In Fig. 8, also do not draw integrated circuit 200, this integrated circuit 200 is connected electrically on node DC1.
Setting voltage value V is now the burning voltage of the 3rd Zener diode D3 and the conducting voltage V of triode Q2dSum, the burning voltage of the 3rd Zener diode D3 is again the breakdown voltage of the 3rd Zener diode D3, and its principle is substantially similar to described power saving supply module circuit embodiments five, does not repeat them here.
Described power saving supply module circuit embodiments nine:
Referring to Fig. 9, the present embodiment and described power saving supply module circuit embodiments eight are basic identical, and different is that described voltage detecting control module 800 also comprises the second resistance R 2; Described the second resistance R 2 is connected electrically between the base stage and ground of described triode Q2.
In Fig. 9, also do not draw integrated circuit 200, this integrated circuit 200 is connected electrically on node DC1.
Described power saving supply module circuit embodiments ten:
Referring to Figure 10, the present embodiment and described power saving supply module circuit embodiments five are basic identical, different is that described voltage detecting control module 800 also comprises comparator 890, the in-phase input end of this comparator 890 is connected electrically between described the first resistance R 1 and the second resistance R 2, the output of described comparator 890 is electrically connected to the base stage of described triode Q2, reference voltage Vref of anti-phase input termination of comparator 890, generally to be provided by voltage-stabiliser tube, Figure 10 does not draw the circuit of concrete reference voltage, and Vref represents reference voltage exactly.
In Figure 10, also do not draw integrated circuit 200, this integrated circuit 200 is connected electrically on node DC1.
Described power saving supply module circuit embodiments 11:
Referring to Figure 11, the simple and clear electric principle block diagram of the present embodiment can be referring to the described power saving supply module circuit embodiments two of Fig. 2; The present embodiment and described power saving supply module circuit embodiments five are basic identical, and different is on the basis of described power saving supply module circuit embodiments five, and the present embodiment has increased a concrete voltage stabilizing circuit module, namely:
Described power saving supply module circuit also comprises the 4th resistance R 4, the second Zener diode D2 and NPN type triode Q3; After described the 4th resistance R 4 and the second Zener diode D2 series connection, be connected electrically between the source electrode and ground of described FET Q1, wherein said the 4th resistance R 4 is electrically connected the source electrode of described FET Q1, the plus earth of described the second Zener diode D2; The base stage of described triode Q3 is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, the colelctor electrode of described triode Q3 is electrically connected to the source electrode of described FET Q1, now very output of the transmitting of described triode Q3, be node DC2, this node DC2 is electrically connected to the power port (not drawing integrated circuit 200 in Figure 11) of integrated circuit 200. Described the 4th resistance R 4, the second Zener diode D2 and a voltage stabilizing circuit module of triode Q3 composition, while being operated in switching mode due to described FET Q1, the 3rd utmost point output of described FET Q1, namely the voltage of node DC1 has pulsating volage by a relatively large margin. Again after a voltage stabilizing circuit module, the emitter stage output of described triode Q3, namely the voltage of node DC2 is just very stable.
In the present embodiment, described capacitor C 2, this capacitor C 2 is connected electrically between the emitter stage and ground of described triode Q3. The effect of capacitor C 2 has been also energy storage and pressure stabilization function, has had this capacitor C 2, and described power saving supply module circuit can be exported more stable voltage.
The principle of the present embodiment is substantially similar to embodiment five, does not repeat them here.
Described power saving supply module circuit embodiments 12:
Referring to Figure 12, the present embodiment and described power saving supply module circuit embodiments hendecyl are originally identical, and the different N-type FET Q1 by described power saving supply module circuit embodiments 11 have changed NPN type triode Q5 into, are specially:
Described triode transistor 900 is NPN type triode Q5, the base stage of triode Q5 is connected electrically between described dropping resistor RV and Zener diode DV, the colelctor electrode of triode Q5 is connected electrically in the positive output end of described rectifier circuit B1, and the emitter stage of triode Q5 is electrically connected on the colelctor electrode of the 4th resistance R 4 and triode Q3.
In the present embodiment, described capacitor C 1 is connected electrically between the emitter stage and ground of described triode Q5.
In Figure 11, also do not draw integrated circuit 200, this integrated circuit 200 is connected electrically on node DC2.
The present embodiment has just changed NPN type triode Q5 into the N-type FET Q1 in described power saving supply module circuit embodiments 11, and its principle is similar to described power saving supply module circuit embodiments 11, also repeats no more at this.
NPN type triode Q3 in described power saving supply module circuit embodiments 11 and embodiment 12 also can change N-type FET into, and triode Q2 also can change N-type FET into, also repeats no more at this.
Described power saving supply module circuit embodiments 13:
Referring to Figure 13, the present embodiment is identical with described power saving supply module circuit embodiments 11, be only the first resistance R 1 in described power saving supply module circuit embodiments 11, the second resistance R 2, triode Q2, dropping resistor RV, Zener diode DV, FET Q1, the 4th resistance R 4, the second Zener diode D2 and triode Q3 namely the each electronic component integration in Figure 13 dotted line frame in same integrated circuit, this integrated circuit has four ports, first port connects the positive output end of described rectifier circuit B1, second port ground connection, the 3rd port meets capacitor C 1 and node DC1, the 4th port meets capacitor C 2 and node DC2.
Described power saving supply module circuit embodiments 14:
Referring to Figure 14, the present embodiment and described power saving supply module circuit embodiments six are basic identical, the different NPN type triode Q5 by described power saving supply module circuit embodiments six has changed positive-negative-positive triode Q5 ' into and NPN type triode Q2 has changed positive-negative-positive triode Q2 ' into, annexation is slightly changed, is specially:
1. the base stage of triode Q2 ' is connected electrically between described the first resistance R 1 and the second resistance R 2, and the colelctor electrode of triode Q2 ' is connected electrically in the base stage of triode Q5 ', and the emitter stage of triode Q2 ' is connected electrically in the positive output end of described rectifier circuit B1;
2. the base stage of triode Q5 ' is connected electrically between described dropping resistor RV and Zener diode DV, the grounded collector of triode Q5 ', very output of the transmitting of triode Q5 ', be node DC1, this node DC1 is electrically connected to the power port (not drawing integrated circuit 200 in Figure 14) of integrated circuit 200.
In the present embodiment, described capacitor C 1 is connected electrically between the emitter stage of described triode Q5 and the positive output end of described rectifier circuit B1.
Described LED lamp drive circuit embodiment mono-:
Referring to Figure 15, a kind of LED lamp drive circuit, comprise the DC-DC reduction voltage circuit of switch element 300, diode D4, inductance L 1 and LED lamp composition, and commercial power rectification is become to the rectifier circuit B1, circuit for regulating and controlling 200 of pulsating direct current ' and be the power saving supply module circuit of this circuit for regulating and controlling 200 ' lowering and stabilizing blood pressure power supply; Described power saving supply module circuit comprises dropping resistor RV and Zener diode DV, after described dropping resistor RV and Zener diode DV series connection, be connected electrically in the output two ends of described rectifier circuit B1, the plus earth of wherein said Zener diode DV, this ground is exactly the negative output terminal of described rectifier circuit B1, and described dropping resistor RV is electrically connected the positive output end of described rectifier circuit B1; Described power saving supply module circuit also comprises triode transistor 900, and controls the voltage detecting control module 800 of described triode transistor 900 conductings and cut-off; First utmost point of described triode transistor 900 is connected electrically between described dropping resistor RV and Zener diode DV, second utmost point of described triode transistor 900 is connected electrically in the positive output end of described rectifier circuit B1, described triode transistor 900 the 3rd very output be electrically connected to circuit for regulating and controlling 200 ' power port; Described voltage detecting control module 800 is connected electrically in the output two ends of described rectifier circuit B1, and this voltage detecting control module 800 is also electrically connected to first utmost point of described triode transistor 900; The voltage that described voltage detecting control module 800 detects described rectifier circuit B1 output two ends is during higher than setting voltage value, described triode transistor 900 is ended, the voltage that described voltage detecting control module 800 detects described rectifier circuit B1 output two ends during lower than setting voltage value, makes described triode transistor 900 conductings.
In the present embodiment, described triode transistor 900 is NPN type triode Q5 or N-type FET Q1; Wherein the grid of the base stage of triode Q5 or FET Q1 is first utmost point of described triode transistor 900, the drain electrode of the colelctor electrode of triode Q5 or FET Q1 is second utmost point of described triode transistor 900, and the source electrode of the emitter stage of triode Q5 or FET Q1 is the 3rd utmost point of described triode transistor 900. That is to say, when described triode transistor 900 is NPN type triode Q5, the base stage of triode Q5 is connected electrically between described dropping resistor RV and Zener diode DV, the colelctor electrode of triode Q5 is connected electrically in the positive output end of described rectifier circuit B1, the transmitting of triode Q5 very output be electrically connected to circuit for regulating and controlling 200 ' power port; When described triode transistor 900 is N-type FET Q1, the grid of FET Q1 is connected electrically between described dropping resistor RV and Zener diode DV, the drain electrode of FET Q1 is connected electrically in the positive output end of described rectifier circuit B1, the source electrode of FET Q1 be output be electrically connected to circuit for regulating and controlling 200 ' power port.
In the present embodiment, described power saving supply module circuit also comprises capacitor C 1, and this capacitor C 1 is connected electrically between the 3rd utmost point and ground of described triode transistor 900. The effect of capacitor C 1 has been energy storage and pressure stabilization function, has had this capacitor C 1, and described power saving supply module circuit can be exported more stable voltage.
In this Figure 15, switch element 300, diode D4, inductance L 1 and LED lamp composition DC-DC reduction voltage circuit in LED lamp drive circuit, LED lamp is load, this DC-DC reduction voltage circuit is connected electrically in the output two ends of described rectifier circuit B1, circuit for regulating and controlling 200 ' control conducting and the cut-off of described switch element 300, makes the electric current of driving LED lamp keep constant.
The present embodiment is actually described power saving supply module circuit embodiments one for the sight on LED lamp drive circuit.
Described LED lamp drive circuit embodiment bis-:
Referring to Figure 16, the present embodiment and described LED lamp drive circuit embodiment mono-are basic identical, and different is on the basis of described LED lamp drive circuit embodiment mono-, and the present embodiment has also increased a voltage stabilizing circuit module, namely:
Described power saving supply module circuit also comprises the 4th resistance R 4, the second Zener diode D2 and the second triode transistor 600; After described the 4th resistance R 4 and the second Zener diode D2 series connection, be connected electrically between the 3rd utmost point and ground of described triode transistor 900, wherein said the 4th resistance R 4 is electrically connected the 3rd utmost point of described triode transistor 900, the plus earth of described the second Zener diode D2; First utmost point of described the second triode transistor 600 is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, second utmost point of described the second triode transistor 600 is electrically connected to the 3rd utmost point of described triode transistor 900, now the 3rd of described the second triode transistor 600 the very output be electrically connected to circuit for regulating and controlling 200 ' power port. Described the 4th resistance R 4, the second Zener diode D2 and the second triode transistor 600 form a voltage stabilizing circuit module, while being operated in switching mode due to described triode transistor 900, the 3rd utmost point output of described triode transistor 900, namely the voltage of node DC1 has pulsating volage by a relatively large margin. Again after a voltage stabilizing circuit module, the 3rd utmost point output of described the second triode transistor 600, namely the voltage of node DC2 is just very stable.
In the present embodiment, described the second triode transistor 600 is NPN type triode Q3 or N-type FET; Wherein the base stage of triode Q3 or the grid of FET are first utmost point of described the second triode transistor 600, the colelctor electrode of triode Q3 or the drain electrode of FET are second utmost point of described the second triode transistor 600, and the emitter stage of triode Q3 or the source electrode of FET are the 3rd utmost point of described the second triode transistor 600. That is to say, when described the second triode transistor 600 is NPN type triode Q3, the base stage of triode Q3 is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, the colelctor electrode of triode Q3 is connected electrically in the 3rd utmost point of described triode transistor 900, the transmitting of triode Q3 very output be electrically connected to circuit for regulating and controlling 200 ' power port; When described the second triode transistor 600 is N-type FET, the grid of FET is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, the drain electrode of FET is connected electrically in the 3rd utmost point of described triode transistor 900, the source electrode of FET be output be electrically connected to circuit for regulating and controlling 200 ' power port.
In the present embodiment, described power saving supply module circuit also comprises capacitor C 2, and this capacitor C 2 is connected electrically between the 3rd utmost point and ground of described the second triode transistor 600. The effect of capacitor C 2 has been also energy storage and pressure stabilization function, has had this capacitor C 2, and described power saving supply module circuit can be exported more stable voltage.
The present embodiment is actually described power saving supply module circuit embodiments two for the sight on LED lamp drive circuit.
Described LED lamp drive circuit embodiment tri-:
Referring to Figure 17, the present embodiment is actually described power saving supply module circuit embodiments 11 for the sight on LED lamp drive circuit, does not repeat them here.
In this Figure 17, FET Q4, diode D4, inductance L 1 and LED lamp composition DC-DC reduction voltage circuit in LED lamp drive circuit, LED lamp is load, this DC-DC reduction voltage circuit is connected electrically in the output two ends of described rectifier circuit B1, circuit for regulating and controlling 200 ' control conducting and the cut-off of described FET Q4, makes the electric current of driving LED lamp keep constant.
In Figure 17, described LED lamp drive circuit also comprises isolating diode D2 and storage capacitor C2; The anode of isolating diode D2 is connected electrically in the positive output end of described rectifier circuit B1, and the cathodic electricity of isolating diode D2 is connected to the anode tap of the LED lamp of DC-DC reduction voltage circuit; Storage capacitor C2 is connected electrically between the negative electrode and ground of isolating diode D2. In the time of electric main zero passage, storage capacitor C2 can also provide electric energy to LED lamp like this, and storage capacitor C2 can allow the voltage pulsation after rectification less.
Described LED lamp drive circuit embodiment tetra-:
Referring to Figure 18, the present embodiment and described LED lamp drive circuit embodiment tri-are basic identical, and different is to have increased a dim signal 400, and this dim signal 400 is by described power saving supply module circuit supply, be electrically connected to node DC2, and output signal to circuit for regulating and controlling 200 '.
In the present embodiment, circuit for regulating and controlling 200 ' can also receive dim signal 400, adjusts ON time or the driving time of described FET Q4, makes the electric current of driving LED change to reach the object of light modulation. Dim signal 400 comprises infrared signal, wireless module signal or the command voltage signal of directly inputting.
LED lamp in Figure 16 to Figure 18 can be single led, can be also multiple LED series connection, or in parallel again after multiple LED series connection.
Circuit for regulating and controlling 200 in the utility model LED lamp drive circuit ' in fact comprise integrated circuit 200. The utility model is upper outside except the power saving supply module circuit of described power saving supply module circuit embodiments one, embodiment bis-and embodiment 11 in Figure 16 to Figure 18 is used for LED lamp drive circuit, described in other, power saving supply module circuit embodiments may be used on LED lamp drive circuit, and expression does not repeat them here and draw.
The utility model power saving supply module circuit, for LED lamp drive circuit, can reduce the power consumption of the standby of remote control LED lamp, and this LED lamp drive circuit can be in the time closing the standby of LED lamp, and energy consumption is low to moderate several milliwatts, saves very much electric energy.
Integrated circuit 200 described in the utility model comprises MCU, PLC and FPGA. MCU is the abbreviation of English MicroControlUnit, and Chinese is micro-control unit, claims again one chip microcomputer (SingleChipMicrocomputer) or single-chip microcomputer. PLC is the abbreviation of English ProgrammableLogicController, and Chinese is programmable logic controller (PLC). FPGA(is the abbreviation of English Field-ProgrammableGateArray, and Chinese is field programmable gate array, is called for short programmable gate array.
In Fig. 1 to Figure 20; Rectifier circuit B1 is direct current by electric main rectification, the input that the L port of rectifier circuit B1 and N port are electric main, and 2 ports (positive output end) of rectifier circuit B1 and 4 ports (negative output terminal) they are the output two ends of rectifier circuit B1.
The above embodiment has only expressed preferred embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model; Therefore, all equivalents and modifications of doing with the utility model claim scope, all should belong to the covering scope of the utility model claim.
Claims (10)
1. for a power saving supply module circuit for integrated circuit, comprise dropping resistor RV and Zener diode DV, and commercial power rectification is become to the rectifier circuit B1 of pulsating direct current; After described dropping resistor RV and Zener diode DV series connection, be connected electrically in the output two ends of described rectifier circuit B1, the plus earth of wherein said Zener diode DV, this ground is exactly the negative output terminal of described rectifier circuit B1, and described dropping resistor RV is electrically connected the positive output end of described rectifier circuit B1; It is characterized in that:
Also comprise triode transistor (900), and control the voltage detecting control module (800) of (900) conducting of described triode transistor and cut-off; First utmost point of described triode transistor (900) is connected electrically between described dropping resistor RV and Zener diode DV, second utmost point of described triode transistor (900) is connected electrically in the positive output end of described rectifier circuit B1, described triode transistor (900) the 3rd very output be electrically connected to the power port of integrated circuit (200); Described voltage detecting control module (800) is connected electrically in the output two ends of described rectifier circuit B1, and this voltage detecting control module (800) is also electrically connected to first utmost point of described triode transistor (900); The voltage that described voltage detecting control module (800) detects described rectifier circuit B1 output two ends is during higher than setting voltage value, make described triode transistor (900) cut-off, the voltage that described voltage detecting control module (800) detects described rectifier circuit B1 output two ends during lower than setting voltage value, makes described triode transistor (900) conducting.
2. the power saving supply module circuit for integrated circuit according to claim 1, is characterized in that:
Also comprise the 4th resistance R 4, the second Zener diode D2 and the second triode transistor (600); After described the 4th resistance R 4 and the second Zener diode D2 series connection, be connected electrically between the 3rd utmost point and ground of described triode transistor (900), wherein said the 4th resistance R 4 is electrically connected the 3rd utmost point of described triode transistor (900), the plus earth of described the second Zener diode D2; First utmost point of described the second triode transistor (600) is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, second utmost point of described the second triode transistor (600) is electrically connected to the 3rd utmost point of described triode transistor (900), now the 3rd of described the second triode transistor (600) the very output be electrically connected to the power port of integrated circuit (200).
3. the power saving supply module circuit for integrated circuit according to claim 2, is characterized in that:
Described the second triode transistor (600) is NPN type triode Q3 or N-type FET; Wherein the base stage of triode Q3 or the grid of FET are first utmost point of described the second triode transistor (600), the colelctor electrode of triode Q3 or the drain electrode of FET are second utmost point of described the second triode transistor (600), and the emitter stage of triode Q3 or the source electrode of FET are the 3rd utmost point of described the second triode transistor (600).
4. the power saving supply module circuit for integrated circuit according to claim 1, is characterized in that:
Described triode transistor (900) is NPN type triode Q5 or N-type FET Q1; Wherein the grid of the base stage of triode Q5 or FET Q1 is first utmost point of described triode transistor (900), the drain electrode of the colelctor electrode of triode Q5 or FET Q1 is second utmost point of described triode transistor (900), and the source electrode of the emitter stage of triode Q5 or FET Q1 is the 3rd utmost point of described triode transistor (900).
5. the power saving supply module circuit for integrated circuit according to claim 1, is characterized in that:
Also comprise capacitor C 1, this capacitor C 1 is connected electrically between the 3rd utmost point and ground of described triode transistor (900).
6. according to the power saving supply module circuit for integrated circuit described in any one of claim 1 to 5, it is characterized in that:
Described voltage detecting control module (800) comprises the first resistance R 1, the second resistance R 2 and the first triode transistor (880); The output two ends that are connected electrically in described rectifier circuit B1 after described the first resistance R 1 and the second resistance R 2 series connection, wherein said the first resistance R 1 is electrically connected the positive output end of described rectifier circuit B1; First utmost point of described the first triode transistor (880) is connected electrically between described the first resistance R 1 and the second resistance R 2, second utmost point of described the first triode transistor (880) is electrically connected to first utmost point of described triode transistor (900), the 3rd utmost point ground connection of described the first triode transistor (880).
7. the power saving supply module circuit for integrated circuit according to claim 6, is characterized in that:
Described the first triode transistor (880) is NPN type triode Q2 or N-type FET Q6; Wherein the grid of the base stage of triode Q2 or FET Q6 is first utmost point of described the first triode transistor (880), the drain electrode of the colelctor electrode of triode Q2 or FET Q6 is second utmost point of described the first triode transistor (880), and the source electrode of the emitter stage of triode Q2 or FET Q6 is the 3rd utmost point of described the first triode transistor (880).
8. according to the power saving supply module circuit for integrated circuit described in any one of claim 1 to 5, it is characterized in that:
Described voltage detecting control module (800) comprises the first resistance R 1, the 3rd Zener diode D3 and the first triode transistor (880); After described the first resistance R 1 and the 3rd Zener diode D3 series connection, be connected electrically between the positive output end of described rectifier circuit B1 and first utmost point of described the first triode transistor (880), wherein said the first resistance R 1 is electrically connected the positive output end of described rectifier circuit B1, the anode of described the 3rd Zener diode D3 is electrically connected first utmost point of described the first triode transistor (880), second utmost point of described the first triode transistor (880) is electrically connected to first utmost point of described triode transistor (900), the 3rd utmost point ground connection of described the first triode transistor (880).
9. a LED lamp drive circuit, comprise the DC-DC reduction voltage circuit of switch element (300), diode D4, inductance L 1 and LED lamp composition, and commercial power rectification is become to rectifier circuit B1, circuit for regulating and controlling (200 ') and the power saving supply module circuit for the power supply of this circuit for regulating and controlling (200 ') lowering and stabilizing blood pressure of pulsating direct current; Described power saving supply module circuit comprises dropping resistor RV and Zener diode DV, after described dropping resistor RV and Zener diode DV series connection, be connected electrically in the output two ends of described rectifier circuit B1, the plus earth of wherein said Zener diode DV, this ground is exactly the negative output terminal of described rectifier circuit B1, and described dropping resistor RV is electrically connected the positive output end of described rectifier circuit B1; It is characterized in that:
Described power saving supply module circuit also comprises triode transistor (900), and controls the voltage detecting control module (800) of (900) conducting of described triode transistor and cut-off; First utmost point of described triode transistor (900) is connected electrically between described dropping resistor RV and Zener diode DV, second utmost point of described triode transistor (900) is connected electrically in the positive output end of described rectifier circuit B1, described triode transistor (900) the 3rd very output be electrically connected to the power port of circuit for regulating and controlling (200 '); Described voltage detecting control module (800) is connected electrically in the output two ends of described rectifier circuit B1, and this voltage detecting control module (800) is also electrically connected to first utmost point of described triode transistor (900); The voltage that described voltage detecting control module (800) detects described rectifier circuit B1 output two ends is during higher than setting voltage value, make described triode transistor (900) cut-off, the voltage that described voltage detecting control module (800) detects described rectifier circuit B1 output two ends during lower than setting voltage value, makes described triode transistor (900) conducting.
10. LED lamp drive circuit according to claim 9, is characterized in that:
Described power saving supply module circuit also comprises the 4th resistance R 4, the second Zener diode D2 and the second triode transistor (600); After described the 4th resistance R 4 and the second Zener diode D2 series connection, be connected electrically between the 3rd utmost point and ground of described triode transistor (900), wherein said the 4th resistance R 4 is electrically connected the 3rd utmost point of described triode transistor (900), the plus earth of described the second Zener diode D2; First utmost point of described the second triode transistor (600) is connected electrically between described the 4th resistance R 4 and the second Zener diode D2, second utmost point of described the second triode transistor (600) is electrically connected to the 3rd utmost point of described triode transistor (900), now the 3rd of described the second triode transistor (600) the very output be electrically connected to the power port of circuit for regulating and controlling (200 ').
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|---|---|---|---|
| CN201520959940.3U CN205249553U (en) | 2015-11-27 | 2015-11-27 | A power saving power module circuit and LED lamp driving circuit for integrated circuit |
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| CN201520959940.3U CN205249553U (en) | 2015-11-27 | 2015-11-27 | A power saving power module circuit and LED lamp driving circuit for integrated circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066952A (en) * | 2018-08-31 | 2018-12-21 | 久和新科技（深圳）有限公司 | A kind of low consumable electric control circuit, solar controller, solar power system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066952A (en) * | 2018-08-31 | 2018-12-21 | 久和新科技（深圳）有限公司 | A kind of low consumable electric control circuit, solar controller, solar power system |
| CN109066952B (en) * | 2018-08-31 | 2021-06-01 | 四川九洲创新科技有限公司 | Low-self-consumption control circuit, solar controller and solar power generation system |
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Granted publication date: 20160518 Termination date: 20191127 |