CN209089267U - A kind of intelligent fast charge circuit that double LED light based on single operational amplifier are shown - Google Patents

A kind of intelligent fast charge circuit that double LED light based on single operational amplifier are shown Download PDF

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Publication number
CN209089267U
CN209089267U CN201821590445.XU CN201821590445U CN209089267U CN 209089267 U CN209089267 U CN 209089267U CN 201821590445 U CN201821590445 U CN 201821590445U CN 209089267 U CN209089267 U CN 209089267U
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resistance
triode
lamp
operational amplifier
slot
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CN201821590445.XU
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谢维芬
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Ruimeda Electronics (shenzhen) Co Ltd
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Ruimeda Electronics (shenzhen) Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Abstract

The utility model discloses a kind of intelligent fast charge circuits that double LED light based on single operational amplifier are shown, including AC power supplies, switch-mode DC voltage regulator circuit, reference voltage circuit, intelligent quick charge manages circuit, fast charge shows LED light, full electricity display LED light and battery, wherein, AC power supplies manages circuit connection with reference voltage circuit and intelligent quick charge respectively by switch-mode DC voltage regulator circuit, intelligent quick charge management circuit respectively successively with reference voltage circuit, fast charge shows LED light, full electricity display LED light and battery connection, intelligent quick charge management circuit is made of four slot position charging circuits, four slot position charging circuits include the first slot position charging circuit, second slot position charging circuit, third slot position charging circuit and the 4th slot position charging circuit.It is realized with a low cost intelligent quick charge the utility model has the advantages that reaching and clearly shows battery in each state of charging process by LED light.

Description

A kind of intelligent fast charge circuit that double LED light based on single operational amplifier are shown
Technical field
The utility model relates to charging technique fields, it particularly relates to a kind of double LED light based on single operational amplifier The intelligent fast charge circuit of display.
Background technique
A kind of intelligent quick charge device is disclosed according to the patent No. 201620144072.8, which employs cumulative chargings The combination of method, the various charging modes new technologies of critical mise-a-la-masse method, decrescence mise-a-la-masse method, pulsation mise-a-la-masse method and reversion mise-a-la-masse method, Gear is selected with quick, supper-fast, high speed, superfast different charging rates, it has intelligence degree height, charging rate Fastly, the characteristics of having a safety feature, for the field to various types boost battery charge.
But it does not accomplish completely clearly to show battery in each state of charging by LED light, quick charger has State below: unloaded (battery is not inserted into, is not plugged or extracts after being full of) state;Quick-charge state;Full power state (trickle Charging).One is only single (color) LED light to show that is, the bright LED light of quick-charge state, light condition and full power state are all LED light does not all work;Another kind is that false bis- (color) LED light show that is, one of them (color) LED light is bright in quick-charge state, Fast charge complete enter full power state its go out, another (color) LED light is to be always on, regardless of light condition, quick-charge state and Full power state is all bright.Both the above circuit is not when battery is plugged (light condition) and fully charged (full power state), LED light All it is similarly to show, can all misleads user.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the utility model proposes a kind of double LED light based on single operational amplifier to show Intelligent fast charge circuit, to overcome above-mentioned technical problem present in existing the relevant technologies.
For this purpose, the specific technical solution that the utility model uses is as follows:
A kind of intelligent fast charge circuit that double LED light based on single operational amplifier are shown, including AC power supplies, switching mode are straight It flows voltage regulator circuit, reference voltage circuit, intelligent quick charge management circuit, fast charge and shows LED light, full electricity display LED light and electricity Pond, wherein the AC power supplies by the switch-mode DC voltage regulator circuit respectively with the reference voltage circuit and the intelligence Can quick charge manage circuit connection, it is described intelligence quick charge management circuit respectively successively with the reference voltage circuit, institute It states fast charge and shows LED light, the full electricity display LED light and battery connection, the intelligence quick charge management circuit is by four Slot position charging circuit is constituted, and the four slot positions charging circuit includes the first slot position charging circuit, the second slot position charging circuit, third Slot position charging circuit and the 4th slot position charging circuit.
Further, the first slot position charging circuit include A slot, resistance RA1, resistance RA2, resistance RA3, resistance RA4, Resistance RA5, resistance RA6, capacitor CA1, operational amplifier UA, triode QA1, triode QA2, Y point, X point, lamp G and lamp R, institute State X point respectively successively with one end of the lamp G, one end of the lamp R, one end of the resistance RA1, the resistance RA2 one The connection of the second end of end and the operational amplifier UA, the other end of the lamp G pass through the resistance RA5 and the triode The collector of QA2 connects, and the emitter of the triode QA2 is connect with the A slot, and the base stage of the triode QA2 passes through institute It states resistance RA6 to connect with the one end at the third end of the operational amplifier UA and the resistance RA4 respectively, the lamp R's is another End connect respectively with the base stage of the other end of the resistance RA4 and the triode QA1, the emitter of the triode QA1 and The other end of the resistance RA1 connects, the collector of the triode QA1 respectively with the other end of the resistance RA2, the A One end of slot and the resistance RA3 connection, the other end of the resistance RA3 respectively with one end of the capacitor CA1 and the fortune Calculate the 5th end connection of amplifier UA, the other end of the capacitor CA1 respectively with the Y point and the operational amplifier UA the One end connection, the 4th end ground connection of the operational amplifier UA.
Further, the second slot position charging circuit include B slot, resistance RB1, resistance RB2, resistance RB3, resistance RB4, Resistance RB5, resistance RB6, capacitor CB1, operational amplifier UB, triode QB1, triode QB2, Y point, X point, lamp G and lamp R, institute State X point respectively successively with one end of the lamp G, one end of the lamp R, one end of the resistance RB1, the resistance RB2 one The connection of the second end of end and the operational amplifier UB, the other end of the lamp G pass through the resistance RB5 and the triode The collector of QB2 connects, and the emitter of the triode QB2 is connect with the B slot, and the base stage of the triode QB2 passes through institute It states resistance RB6 to connect with the one end at the third end of the operational amplifier UB and the resistance RB4 respectively, the lamp R's is another End connect respectively with the base stage of the other end of the resistance RB4 and the triode QB1, the emitter of the triode QB1 and The other end of the resistance RB1 connects, the collector of the triode QB1 respectively with the other end of the resistance RB2, the B One end of slot and the resistance RB3 connection, the other end of the resistance RB3 respectively with one end of the capacitor CB1 and the fortune Calculate the 5th end connection of amplifier UB, the other end of the capacitor CB1 respectively with the Y point and the operational amplifier UB the One end connection, the 4th end ground connection of the operational amplifier UB.
Further, the third slot position charging circuit include C slot, resistance RC1, resistance RC2, resistance RC3, resistance RC4, Resistance RC5, resistance RC6, capacitor CC1, operational amplifier UC, triode QC1, triode QC2, Y point, X point, lamp G and lamp R, institute State X point respectively successively with one end of the lamp G, one end of the lamp R, one end of the resistance RC1, the resistance RC2 one The connection of the second end of end and the operational amplifier UC, the other end of the lamp G pass through the resistance RC5 and the triode The collector of QC2 connects, and the emitter of the triode QC2 is connect with the C slot, and the base stage of the triode QC2 passes through institute It states resistance RC6 to connect with the one end at the third end of the operational amplifier UC and the resistance RC4 respectively, the lamp R's is another End connect respectively with the base stage of the other end of the resistance RC4 and the triode QC1, the emitter of the triode QC1 and The other end of the resistance RC1 connects, the collector of the triode QC1 respectively with the other end of the resistance RC2, the C One end of slot and the resistance RC3 connection, the other end of the resistance RC3 respectively with one end of the capacitor CC1 and the fortune Calculate the 5th end connection of amplifier UC, the other end of the capacitor CC1 respectively with the Y point and the operational amplifier UC the One end connection, the 4th end ground connection of the operational amplifier UC.
Further, the 4th slot position charging circuit include D slot, resistance RD1, resistance RD2, resistance RD3, resistance RD4, Resistance RD5, resistance RD6, capacitor CD1, operational amplifier UD, triode QD1, triode QD2, Y point, X point, lamp G and lamp R, institute State X point respectively successively with one end of the lamp G, one end of the lamp R, one end of the resistance RD1, the resistance RD2 one The connection of the second end of end and the operational amplifier UD, the other end of the lamp G pass through the resistance RD5 and the triode The collector of QD2 connects, and the emitter of the triode QD2 is connect with the D slot, and the base stage of the triode QD2 passes through institute It states resistance RD6 to connect with the one end at the third end of the operational amplifier UD and the resistance RD4 respectively, the lamp R's is another End connect respectively with the base stage of the other end of the resistance RD4 and the triode QD1, the emitter of the triode QD1 and The other end of the resistance RD1 connects, the collector of the triode QD1 respectively with the other end of the resistance RD2, the D One end of slot and the resistance RD3 connection, the other end of the resistance RD3 respectively with one end of the capacitor CD1 and the fortune Calculate the 5th end connection of amplifier UD, the other end of the capacitor CD1 respectively with the Y point and the operational amplifier UD the One end connection, the 4th end ground connection of the operational amplifier UD.
The utility model has the following beneficial effects: realizing that intelligence is quick using an operational amplifier and a small amount of peripheral cell Charging clearly shows battery in each state of charging with complete by LED;When unloaded, charger LED light does not work;Fast charge When, bright fast charge shows LED light;After being full of, bright full electricity display LED light;When battery is inserted into and is plugged in the charger being powered In charging slot or be plugged battery in the charging slot of charger to charger be powered after, the meeting of charger light fast charge show LED Lamp, to battery carry out quick charge, cell voltage be slowly brought up to setting voltage value when, battery be judged as it is fully charged, so After stop fast charge, into full power state (trickle charge), while fast charge shows that LED light full electricity display LED light of going out lights, until pulling out Out after battery, charging complete, full electricity display LED light is gone out, and then is reached and be realized with a low cost intelligent quick charge and clearly pass through LED light shows battery in each state of charging process.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.
Fig. 1 is that the intelligence that is shown according to a kind of double LED light based on single operational amplifier of the utility model embodiment is fast Charging circuit structural schematic diagram;
Fig. 2 is that the intelligence that is shown according to a kind of double LED light based on single operational amplifier of the utility model embodiment is fast The structural schematic diagram of first slot position charging circuit of charging circuit;
Fig. 3 is that the intelligence that is shown according to a kind of double LED light based on single operational amplifier of the utility model embodiment is fast The structural schematic diagram of second slot position charging circuit of charging circuit;
Fig. 4 is that the intelligence that is shown according to a kind of double LED light based on single operational amplifier of the utility model embodiment is fast The structural schematic diagram of the third slot position charging circuit of charging circuit;
Fig. 5 is that the intelligence that is shown according to a kind of double LED light based on single operational amplifier of the utility model embodiment is fast The structural schematic diagram of 4th slot position charging circuit of charging circuit.
In figure:
1, AC power supplies;2, switch-mode DC voltage regulator circuit;3, reference voltage circuit;4, intelligent quick charge management electricity Road;5, fast charge shows LED light;6, full electricity display LED light;7, battery.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing, these attached drawings are in the utility model discloses A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment Reason, cooperation refer to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this is practical new The advantages of type, the component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Embodiment according to the present utility model provides a kind of intelligence that double LED light based on single operational amplifier are shown Fast charge circuit.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described, as shown in Figs. 1-5, practical according to this The intelligent fast charge circuit that double LED light based on single operational amplifier of new embodiment are shown, including AC power supplies 1, switching mode Direct current regulation circuit 2, reference voltage circuit 3, intelligent quick charge management circuit 4, fast charge show LED light 5, full electricity display LED Lamp 6 and battery 7, wherein the AC power supplies 1 is electric with the reference voltage respectively by the switch-mode DC voltage regulator circuit 2 Road 3 and the intelligent quick charge management circuit 4 connect, the intelligence quick charge management circuit 4 respectively successively with the base Quasi- potential circuit 3, the fast charge show that LED light 5, the full electricity display LED light 6 and the battery 7 connect, and the intelligence is quick Charge management circuit 4 is made of four slot position charging circuits, and the four slot positions charging circuit includes the first slot position charging circuit, second Slot position charging circuit, third slot position charging circuit and the 4th slot position charging circuit.
In one embodiment, the first slot position charging circuit includes A slot, resistance RA1, resistance RA2, resistance RA3, electricity Hinder RA4, resistance RA5, resistance RA6, capacitor CA1, operational amplifier UA, triode QA1, triode QA2, Y point, X point, lamp G and Lamp R, the X point respectively successively with one end of the lamp G, one end of the lamp R, one end of the resistance RA1, the resistance The connection of the second end of one end of RA2 and the operational amplifier UA, the other end of the lamp G by the resistance RA5 with it is described The collector of triode QA2 connects, and the emitter of the triode QA2 is connect with the A slot, the base stage of the triode QA2 It is connect respectively with the one end at the third end of the operational amplifier UA and the resistance RA4 by the resistance RA6, the lamp R The other end connect respectively with the base stage of the other end of the resistance RA4 and the triode QA1, the hair of the triode QA1 Emitter-base bandgap grading is connect with the other end of the resistance RA1, the collector of the triode QA1 respectively with the other end of the resistance RA2, One end of the A slot and the resistance RA3 connection, the other end of the resistance RA3 respectively with one end of the capacitor CA1 and institute State operational amplifier UA the 5th end connection, the other end of the capacitor CA1 respectively with the Y point and the operational amplifier UA First end connection, the operational amplifier UA the 4th end ground connection.
In one embodiment, the second slot position charging circuit includes B slot, resistance RB1, resistance RB2, resistance RB3, electricity Hinder RB4, resistance RB5, resistance RB6, capacitor CB1, operational amplifier UB, triode QB1, triode QB2, Y point, X point, lamp G and Lamp R, the X point respectively successively with one end of the lamp G, one end of the lamp R, one end of the resistance RB1, the resistance The connection of the second end of one end of RB2 and the operational amplifier UB, the other end of the lamp G by the resistance RB5 with it is described The collector of triode QB2 connects, and the emitter of the triode QB2 is connect with the B slot, the base stage of the triode QB2 It is connect respectively with the one end at the third end of the operational amplifier UB and the resistance RB4 by the resistance RB6, the lamp R The other end connect respectively with the base stage of the other end of the resistance RB4 and the triode QB1, the hair of the triode QB1 Emitter-base bandgap grading is connect with the other end of the resistance RB1, the collector of the triode QB1 respectively with the other end of the resistance RB2, One end of the B slot and the resistance RB3 connection, the other end of the resistance RB3 respectively with one end of the capacitor CB1 and institute State operational amplifier UB the 5th end connection, the other end of the capacitor CB1 respectively with the Y point and the operational amplifier UB First end connection, the operational amplifier UB the 4th end ground connection.
In one embodiment, the third slot position charging circuit includes C slot, resistance RC1, resistance RC2, resistance RC3, electricity Hinder RC4, resistance RC5, resistance RC6, capacitor CC1, operational amplifier UC, triode QC1, triode QC2, Y point, X point, lamp G and Lamp R, the X point respectively successively with one end of the lamp G, one end of the lamp R, one end of the resistance RC1, the resistance The connection of the second end of one end of RC2 and the operational amplifier UC, the other end of the lamp G by the resistance RC5 with it is described The collector of triode QC2 connects, and the emitter of the triode QC2 is connect with the C slot, the base stage of the triode QC2 It is connect respectively with the one end at the third end of the operational amplifier UC and the resistance RC4 by the resistance RC6, the lamp R The other end connect respectively with the base stage of the other end of the resistance RC4 and the triode QC1, the hair of the triode QC1 Emitter-base bandgap grading is connect with the other end of the resistance RC1, the collector of the triode QC1 respectively with the other end of the resistance RC2, One end of the C slot and the resistance RC3 connection, the other end of the resistance RC3 respectively with one end of the capacitor CC1 and institute State operational amplifier UC the 5th end connection, the other end of the capacitor CC1 respectively with the Y point and the operational amplifier UC First end connection, the operational amplifier UC the 4th end ground connection.
In one embodiment, the 4th slot position charging circuit includes D slot, resistance RD1, resistance RD2, resistance RD3, electricity Hinder RD4, resistance RD5, resistance RD6, capacitor CD1, operational amplifier UD, triode QD1, triode QD2, Y point, X point, lamp G and Lamp R, the X point respectively successively with one end of the lamp G, one end of the lamp R, one end of the resistance RD1, the resistance The connection of the second end of one end of RD2 and the operational amplifier UD, the other end of the lamp G by the resistance RD5 with it is described The collector of triode QD2 connects, and the emitter of the triode QD2 is connect with the D slot, the base stage of the triode QD2 It is connect respectively with the one end at the third end of the operational amplifier UD and the resistance RD4 by the resistance RD6, the lamp R The other end connect respectively with the base stage of the other end of the resistance RD4 and the triode QD1, the hair of the triode QD1 Emitter-base bandgap grading is connect with the other end of the resistance RD1, the collector of the triode QD1 respectively with the other end of the resistance RD2, One end of the D slot and the resistance RD3 connection, the other end of the resistance RD3 respectively with one end of the capacitor CD1 and institute State operational amplifier UD the 5th end connection, the other end of the capacitor CD1 respectively with the Y point and the operational amplifier UD First end connection, the operational amplifier UD the 4th end ground connection.
When concrete application, for the first slot position charging circuit, Y point is connected with the reverse side of operational amplifier UA, A Point is the anode of charging slot, and when battery is not inserted into, A point voltage is identical as X point to be higher than Y point, and operational amplifier UA output is height, LED A (red and green color lamp, R are red, and G is green) does not work;When the battery for being discontented with electricity is inserted into A slot and is plugged, A point is battery Voltage is lower than Y point, operational amplifier output be it is low, so that the both ends RA4 is had a voltage difference, electric current flows through RA4, and to light LED A red aobvious It is shown as quick-charge state, opens simultaneously QA1, flows through the fast charge current versus cell charging of RA1 and RA2, cell voltage can be slowly It increasing, when reaching Y point voltage, operational amplifier output starts to be reversed to height, and RA4 is not having electric current to flow through, and LED A red is gone out, QA1 is closed, and is not having electric current to flow through RA1, quick charge terminates to go to the i.e. full electric shape of trickle charge that only electric current flows through RA2 State, while the high voltage of operational amplifier output flows through RA5 and lights the green of LED A and is shown as by RA6 opening QA2 electric current Full power state, extracting battery under full power state makes A slot light condition, A point voltage rise to it is identical as X point close QA2, LED A goes out entirely is shown as light condition.Similarly the second slot position charging circuit, third slot position charging circuit and the 4th slot position are filled Circuit is also such.
In conclusion by means of the above-mentioned technical proposal of the utility model, using an operational amplifier and a small amount of outer Element is enclosed to realize intelligent quick charge and completely clearly show battery in each state of charging by LED;When unloaded, charging Device LED light does not work;When fast charge, bright fast charge shows LED light 5;After being full of, bright full electricity display LED light 6;When battery is inserted into and is plugged In the charging slot for the charger being powered or be plugged battery in the charging slot of charger to charger be powered after, charger Fast charge can be lighted and show LED light 5, quick charge is carried out to battery, when cell voltage is slowly brought up to the voltage value of setting, battery It is judged as fully charged, then stops fast charge, into full power state (trickle charge), while fast charge shows that the full electricity that goes out of LED light 5 is aobvious Show that LED light 6 lights, until charging complete, full electricity display LED light 6 is gone out, and then is reached and be realized with a low cost intelligence after extracting battery Quick charge simultaneously clearly shows battery in each state of charging process by LED light.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral; It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (5)

1. a kind of intelligent fast charge circuit that double LED light based on single operational amplifier are shown, which is characterized in that including AC power supplies (1), switch-mode DC voltage regulator circuit (2), reference voltage circuit (3), intelligent quick charge management circuit (4), fast charge are shown LED light (5), full electricity display LED light (6) and battery (7), wherein the AC power supplies (1) passes through the switch-mode DC pressure stabilizing Circuit (2) is connect with the reference voltage circuit (3) and intelligent quick charge management circuit (4) respectively, and the intelligence is fast Fast charge management circuit (4) successively shows LED light (5), the full electricity with the reference voltage circuit (3), the fast charge respectively Show LED light (6) and the battery (7) connection, intelligence quick charge management circuit (4) is by four slot position charging circuit structures At, the four slot positions charging circuit include the first slot position charging circuit, the second slot position charging circuit, third slot position charging circuit and 4th slot position charging circuit.
2. the intelligent fast charge circuit that a kind of double LED light based on single operational amplifier according to claim 1 are shown, special Sign is that the first slot position charging circuit includes A slot, resistance RA1, resistance RA2, resistance RA3, resistance RA4, resistance RA5, electricity Hinder RA6, capacitor CA1, operational amplifier UA, triode QA1, triode QA2, Y point, X point, lamp G and lamp R, the X point respectively according to Secondary and one end of the lamp G, one end of the lamp R, one end of the resistance RA1, one end of the resistance RA2 and the operation The second end of amplifier UA connects, and the other end of the lamp G is connected by the collector of the resistance RA5 and triode QA2 It connects, the emitter of the triode QA2 is connect with the A slot, and the base stage of the triode QA2 is distinguished by the resistance RA6 Connect with the one end at the third end of the operational amplifier UA and the resistance RA4, the other end of the lamp R respectively with the electricity The base stage connection of the other end and the triode QA1 of RA4 is hindered, the emitter of the triode QA1 is another with the resistance RA1's One end connection, the collector of the triode QA1 respectively with the other end of the resistance RA2, the A slot and the resistance RA3 One end connection, the other end of the resistance RA3 respectively with one end of the capacitor CA1 and the operational amplifier UA the 5th End connection, the other end of the capacitor CA1 are connect with the first end of the Y point and the operational amplifier UA respectively, the fortune Calculate the 4th end ground connection of amplifier UA.
3. the intelligent fast charge circuit that a kind of double LED light based on single operational amplifier according to claim 1 are shown, special Sign is that the second slot position charging circuit includes B slot, resistance RB1, resistance RB2, resistance RB3, resistance RB4, resistance RB5, electricity Hinder RB6, capacitor CB1, operational amplifier UB, triode QB1, triode QB2, Y point, X point, lamp G and lamp R, the X point respectively according to Secondary and one end of the lamp G, one end of the lamp R, one end of the resistance RB1, one end of the resistance RB2 and the operation The second end of amplifier UB connects, and the other end of the lamp G is connected by the collector of the resistance RB5 and triode QB2 It connects, the emitter of the triode QB2 is connect with the B slot, and the base stage of the triode QB2 is distinguished by the resistance RB6 Connect with the one end at the third end of the operational amplifier UB and the resistance RB4, the other end of the lamp R respectively with the electricity The base stage connection of the other end and the triode QB1 of RB4 is hindered, the emitter of the triode QB1 is another with the resistance RB1's One end connection, the collector of the triode QB1 respectively with the other end of the resistance RB2, the B slot and the resistance RB3 One end connection, the other end of the resistance RB3 respectively with one end of the capacitor CB1 and the operational amplifier UB the 5th End connection, the other end of the capacitor CB1 are connect with the first end of the Y point and the operational amplifier UB respectively, the fortune Calculate the 4th end ground connection of amplifier UB.
4. the intelligent fast charge circuit that a kind of double LED light based on single operational amplifier according to claim 1 are shown, special Sign is that the third slot position charging circuit includes C slot, resistance RC1, resistance RC2, resistance RC3, resistance RC4, resistance RC5, electricity Hinder RC6, capacitor CC1, operational amplifier UC, triode QC1, triode QC2, Y point, X point, lamp G and lamp R, the X point respectively according to Secondary and one end of the lamp G, one end of the lamp R, one end of the resistance RC1, one end of the resistance RC2 and the operation The second end of amplifier UC connects, and the other end of the lamp G is connected by the collector of the resistance RC5 and triode QC2 It connects, the emitter of the triode QC2 is connect with the C slot, and the base stage of the triode QC2 is distinguished by the resistance RC6 Connect with the one end at the third end of the operational amplifier UC and the resistance RC4, the other end of the lamp R respectively with the electricity The base stage connection of the other end and the triode QC1 of RC4 is hindered, the emitter of the triode QC1 is another with the resistance RC1's One end connection, the collector of the triode QC1 respectively with the other end of the resistance RC2, the C slot and the resistance RC3 One end connection, the other end of the resistance RC3 respectively with one end of the capacitor CC1 and the operational amplifier UC the 5th End connection, the other end of the capacitor CC1 are connect with the first end of the Y point and the operational amplifier UC respectively, the fortune Calculate the 4th end ground connection of amplifier UC.
5. the intelligent fast charge circuit that a kind of double LED light based on single operational amplifier according to claim 1 are shown, special Sign is that the 4th slot position charging circuit includes D slot, resistance RD1, resistance RD2, resistance RD3, resistance RD4, resistance RD5, electricity Hinder RD6, capacitor CD1, operational amplifier UD, triode QD1, triode QD2, Y point, X point, lamp G and lamp R, the X point respectively according to Secondary and one end of the lamp G, one end of the lamp R, one end of the resistance RD1, one end of the resistance RD2 and the operation The second end of amplifier UD connects, and the other end of the lamp G is connected by the collector of the resistance RD5 and triode QD2 It connects, the emitter of the triode QD2 is connect with the D slot, and the base stage of the triode QD2 is distinguished by the resistance RD6 Connect with the one end at the third end of the operational amplifier UD and the resistance RD4, the other end of the lamp R respectively with the electricity The base stage connection of the other end and the triode QD1 of RD4 is hindered, the emitter of the triode QD1 is another with the resistance RD1's One end connection, the collector of the triode QD1 respectively with the other end of the resistance RD2, the D slot and the resistance RD3 One end connection, the other end of the resistance RD3 respectively with one end of the capacitor CD1 and the operational amplifier UD the 5th End connection, the other end of the capacitor CD1 are connect with the first end of the Y point and the operational amplifier UD respectively, the fortune Calculate the 4th end ground connection of amplifier UD.
CN201821590445.XU 2018-09-28 2018-09-28 A kind of intelligent fast charge circuit that double LED light based on single operational amplifier are shown Active CN209089267U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115151968A (en) * 2020-12-28 2022-10-04 深圳清华大学研究院 Display structure and display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115151968A (en) * 2020-12-28 2022-10-04 深圳清华大学研究院 Display structure and display
CN115151968B (en) * 2020-12-28 2023-11-21 深圳清华大学研究院 Display structure and display

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