CN104902646A - Life raft energy-saving system based on constant-current protection - Google Patents
Life raft energy-saving system based on constant-current protection Download PDFInfo
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- CN104902646A CN104902646A CN201510316244.5A CN201510316244A CN104902646A CN 104902646 A CN104902646 A CN 104902646A CN 201510316244 A CN201510316244 A CN 201510316244A CN 104902646 A CN104902646 A CN 104902646A
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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
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- 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
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Abstract
The invention discloses a life raft energy-saving system based on constant-current protection. The life raft energy-saving system is composed of a strobotron VG, a constant-current LED driving system, a trigger boost circuit, a pulse driving circuit, a light beam excitation type logic amplifying circuit, a logic protecting emitter coupled amplifying circuit and a constant-current protecting circuit. According to the lift raft energy-saving system, the constant-current LED driving system is used as an electric energy triggering core, thereby thoroughly changing the circuit structure of a traditional life raft energy-saving lamp. Not only is relatively simple integral structure realized, but also convenient manufacture and convenient maintenance are realized. Furthermore, the life raft energy-saving system can detect a working current and performs adjustment when overhigh current occurs, thereby preventing damage by overcurrent.
Description
Technical field
The present invention relates to electric energy-saving field, specifically refer to a kind of life raft energy conserving system based on constant current protection.
Background technology
At present, be no matter that airplane crash or the perils of the sea occur, life raft is all absolutely necessary lifesaving apparatus.And just must save as the electric energy of life raft, with the work that the flash warning lamp guaranteeing for sending an SOS can be more lasting.Light for life raft in the past adopts seawater battery to light the bulb of two 3V, 0.25A, and wherein one as distress signal, and another is then as raft intraoral illumination.But, illumination and the emergency electric energy of 8h be maintained, at least need seawater battery to have the capacity of 4Ah (ampere-hour).Because the volume of seawater battery is comparatively huge, and the energy consumption of Light for life raft is higher, and the volume that therefore not only result in traditional life raft is comparatively large, heavier mass, but also can have a strong impact on the brightness of bulb and the effective storage life of electric energy.
Summary of the invention
The object of the invention is to overcome the luminance shortage of current life raft and the larger defect of electric energy loss, provide one effectively can not only increase bulb brightness, and can a kind of life raft energy conserving system based on constant current protection of significant prolongation lighting hours.
Object of the present invention is achieved through the following technical solutions: a kind of life raft energy conserving system based on constant current protection, it is by strobotron VG, constant-current LED driver QX, trigger booster circuit, the pulse driving circuit be connected with strobotron VG with this triggering booster circuit, grid is connected with the DRV pin of this constant-current LED driver QX, drain electrode is connected with the VIN pin of constant-current LED driver QX after resistance R5 through inductance L successively, and the field effect transistor Q5 of source ground, be serially connected in the controllable diode D3 between the drain electrode of field effect transistor Q5 and the VIN pin of constant-current LED driver QX, be serially connected in the LED group between the source electrode of field effect transistor Q5 and the VIN pin of constant-current LED driver QX, be serially connected in the beam excitation formula logic amplifying circuit triggered between booster circuit and the VIN pin of constant-current LED driver QX, be serially connected in the virtual protection emitter-base bandgap grading manifold type amplifying circuit triggered between booster circuit and pulse driving circuit, and the constant current protective circuit composition be serially connected between transforming circuit and pulse driving circuit.
Further, described constant current protective circuit is by protect IC U1, triode Q8, triode Q9, be serially connected in the diode D11 between the COMP pin of protect IC U1 and VREF pin, P pole is connected with the RT pin of protect IC U1, the diode D10 that N pole is then connected with the FB pin of protect IC U1 after resistance R24, one end is connected with the CS pin of protect IC U1, the resistance R25 of other end ground connection, one end is connected with the DVR pin of protect IC U1, the resistance R26 that the other end is then connected with the base stage of triode Q8, one end is connected with the collector electrode of triode Q8, the resistance R28 that the other end is then connected with the collector electrode of triode Q9 after resistance R29, one end is connected with the emitter of triode Q9, the resistance R27 of other end ground connection, and positive pole is connected with the emitter of triode Q9, the polar capacitor C12 that negative pole is then connected with pulse driving circuit forms, the N pole of described diode D10 is connected with transforming circuit, the base stage of triode Q9 is connected with the tie point of resistance R29 with resistance R28, and the grounded emitter of triode Q8, the VREF pin of described protect IC U1 is connected with its VCC pin, its GND pin ground connection.
Described beam excitation formula logic amplifying circuit is primarily of power amplifier P1, NAND gate IC1, NAND gate IC2, NAND gate IC3, negative pole is connected with the in-phase end of power amplifier P1, the polar capacitor C5 of positive pole ground connection after optical diode D5, one end is connected with the positive pole of polar capacitor C5, the resistance R10 of other end ground connection after diode D6, positive pole is connected with the tie point of diode D6 with resistance R10, the polar capacitor C7 of minus earth, one end is connected with the negative input of NAND gate IC1, the resistance R11 that the other end is connected with the in-phase end of power amplifier P1, be serially connected in the resistance R12 between the end of oppisite phase of power amplifier P1 and output, one end is connected with the output of NAND gate IC1, the resistance R13 that the other end is connected with the negative input of NAND gate IC3, positive pole is connected with the output of NAND gate IC2, the electric capacity C6 that negative pole is connected with the negative input of NAND gate IC3, and one end is connected with the positive pole of polar capacitor C7, the resistance R14 that the other end is connected with the negative input of NAND gate IC2 forms, the electrode input end of described NAND gate IC1 is connected with the end of oppisite phase of power amplifier P1, and its output is connected with the electrode input end of NAND gate IC2, the electrode input end of NAND gate IC3 is connected with the output of power amplifier P1, and its output is then connected with the VIN pin of constant-current LED driver QX, the positive pole of polar capacitor C5 is then connected with triggering booster circuit.
Described virtual protection emitter-base bandgap grading manifold type amplifying circuit is primarily of triode Q6, triode Q7, power amplifier P2, power amplifier P3, be serially connected in the resistance R17 between the end of oppisite phase of power amplifier P2 and output, be serially connected in the polar capacitor C10 between the in-phase end of power amplifier P3 and output, be serially connected in the resistance R16 between the in-phase end of power amplifier P2 and the collector electrode of triode Q6, be serially connected in the resistance R18 between the collector electrode of triode Q6 and the base stage of triode Q7, the electric capacity C9 be in parallel with resistance R18, negative pole is connected with the in-phase end of power amplifier P2, the polar capacitor C8 that positive pole is connected with the emitter of triode Q6 after resistance R19, be serially connected in the resistance R20 between the base stage of triode Q7 and the positive pole of polar capacitor C8, positive pole is connected with the emitter of triode Q7, negative pole is in turn through electric capacity C11 that voltage stabilizing didoe D7 is connected with the output of power amplifier P2 after resistance R21, P pole is connected with the output of power amplifier P3, the diode D8 that N pole is connected with the tie point of resistance R21 with voltage stabilizing didoe D7 after resistance R22 through resistance R23, and P pole is connected with the negative pole of electric capacity C11, the voltage stabilizing didoe D9 that N pole is connected with the tie point of resistance R23 with diode D8 forms, the base stage of described triode Q6 is connected with the positive pole of polar capacitor C8, and its emitter is connected with the emitter of triode Q7, and its collector electrode is connected with the end of oppisite phase of power amplifier P2, the collector electrode of triode Q7 is connected with the end of oppisite phase of power amplifier P3, and the in-phase end of power amplifier P3 is connected with the output of power amplifier P2, the positive pole of described polar capacitor C8 is connected with triggering booster circuit, and resistance R23 is then connected with pulse driving circuit with the tie point of resistance R22.
Described triggering booster circuit is by transforming circuit, pulse wave modulator AX, negative pole is connected with the FB pin of pulse wave modulator AX, the electric capacity C2 that positive pole is connected with the VIN pin of pulse wave modulator AX after diode D1, P pole is connected with the SDIN pin of pulse wave modulator AX, the diode D4 that N pole is then connected with the FBSW pin of pulse wave modulator AX after resistance R9, positive pole is connected with the SDIN pin of pulse wave modulator AX, the electric capacity C3 of minus earth, and one end is connected with the EN pin of pulse wave modulator AX, the resistance R7 that the other end is then connected with transforming circuit after button SA through battery BT in turn forms.
Described transforming circuit comprises transformer T1, transformer T2, resistance R1, resistance R2, resistance R6, electric capacity C1, triode Q1 and triode Q2; Wherein, the non-same polarity on the former limit of transformer T1 is connected with the collector electrode of triode Q1, and the emitter of triode Q1 is connected with the VIN pin of pulse wave modulator AX, and the base stage of triode Q1 is then connected with the positive pole of electric capacity C2; Electric capacity C1 is serially connected between the base stage of triode Q1 and the Same Name of Ends on the former limit of transformer T1; The Same Name of Ends on the former limit of transformer T1 is also connected with battery BT after button SA; The non-same polarity of transformer T1 secondary is connected with the Same Name of Ends on the former limit of transformer T2 after resistance R1, and the Same Name of Ends of transformer T1 secondary is then connected with the VOUT pin of pulse wave modulator AX with the base stage of triode Q2 respectively; The collector electrode of triode Q2 is then connected with the non-same polarity on the former limit of transformer T2 after resistance R2, the emitter of triode Q2 is then connected with the LX pin of pulse wave modulator AX after resistance R6, meanwhile, the emitter of this triode Q2 is also connected with the positive pole of polar capacitor C5; The positive pole of described polar capacitor C8 is then connected with the Same Name of Ends of transformer T2 secondary, and the N pole of diode D10 is then connected with the non-name end of transformer T2 secondary.
Described pulse driving circuit comprises: microwave detector A, diode D2, resistance R3, resistance R4, variable resistor R8, triode Q3, triode Q4 and electric capacity C4; Wherein, the input of microwave detector A is connected with the negative pole of polar capacitor C12, and its output is then connected with the collector electrode of triode Q3 after diode D2; The base stage of triode Q3 is connected with the Same Name of Ends of transformer T2 after resistance R3, and the emitter of triode Q3 is then connected with the collector electrode of triode Q4 after resistance R4; Between the base stage that variable resistor R8 is then serially connected in triode Q4 and emitter; One end of electric capacity C4 is connected with the output of microwave detector A, and its other end is then connected with the emitter of triode Q4; Described strobotron VG is then in parallel with electric capacity C4; Meanwhile, the emitter of triode Q4 is also connected with the drain electrode of field effect transistor Q5; Described resistance R23 is then connected with the base stage of triode Q4 with the tie point of resistance R22.
In order to reach better result of use; described pulse wave modulator AX is preferably ISL97632 integrated circuit; described driver QX is preferably QX5241 type driver, and protect IC U1 is preferably AP3843CP integrated circuit, and microwave detector A is then preferably TX982 type detector.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) the present invention adopts constant-current LED driver to be used as electric energy and triggers core, and revolutionize the circuit structure of traditional life raft electricity-saving lamp, not only its overall structure is comparatively simple, and it makes and safeguards very convenient.
(2) the present invention can not only make the brightness of strobotron VG be more than 30 times of traditional bulb brightness, and can also effectively reduce its energy consumption, makes its power consumption be only 1/50 of traditional bulb.
(3) the present invention can not only extend lighting hours significantly, makes its operating time can reach more than 50 hours continuously, and effectively can also prevent external electromagnetic interference.
(4) the present invention also has microwave induced function, can send while sending alarm flashing and receive microwave signal, is conducive to rescue.
(5) the present invention can be detected operating current by constant current protective circuit, then can adjust when electric current is too high, avoid the present invention damage by overcurrent.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of virtual protection emitter-base bandgap grading manifold type amplifying circuit of the present invention.
Fig. 3 is the structural representation of constant current protective circuit of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the present invention is by strobotron VG, and constant-current LED drive system, triggers booster circuit, pulse driving circuit, beam excitation formula logic amplifying circuit, virtual protection emitter-base bandgap grading manifold type amplifying circuit and constant current protective circuit composition.
Wherein, constant-current LED drive system comprises constant-current LED driver QX, field effect transistor Q5, inductance L, resistance R5, controllable diode D3 and LED group.During connection, the grid of field effect transistor Q5 is connected with the DRV pin of constant-current LED driver QX, and its drain electrode is connected with the VIN pin of constant-current LED driver QX with resistance R5 through inductance L successively, its source electrode then ground connection.Meanwhile, inductance L is also directly connected with the CSN pin of constant-current LED driver QX with the tie point of resistance R5.
Controllable diode D3 is being serially connected between the drain electrode of field effect transistor Q5 and the VIN pin of constant-current LED driver QX, and LED group is serially connected between the source electrode of field effect transistor Q5 and the VIN pin of constant-current LED driver QX.Described pulse driving circuit is then connected with strobotron VG with triggering booster circuit respectively.In order to ensure result of use, this constant-current LED driver QX preferentially adopts QX5241 model to realize.
Described beam excitation formula logic amplifying circuit is primarily of power amplifier P1, NAND gate IC1, NAND gate IC2, NAND gate IC3, negative pole is connected with the in-phase end of power amplifier P1, the polar capacitor C5 of positive pole ground connection after optical diode D5, one end is connected with the positive pole of polar capacitor C5, the resistance R10 of other end ground connection after diode D6, positive pole is connected with the tie point of diode D6 with resistance R10, the polar capacitor C7 of minus earth, one end is connected with the negative input of NAND gate IC1, the resistance R11 that the other end is connected with the in-phase end of power amplifier P1, be serially connected in the resistance R12 between the end of oppisite phase of power amplifier P1 and output, one end is connected with the output of NAND gate IC1, the resistance R13 that the other end is connected with the negative input of NAND gate IC3, positive pole is connected with the output of NAND gate IC2, the electric capacity C6 that negative pole is connected with the negative input of NAND gate IC3, and one end is connected with the positive pole of polar capacitor C7, the resistance R14 that the other end is connected with the negative input of NAND gate IC2 forms.
The electrode input end of described NAND gate IC1 is connected with the end of oppisite phase of power amplifier P1, and its output is connected with the electrode input end of NAND gate IC2; The electrode input end of NAND gate IC3 is connected with the output of power amplifier P1, and its output is then connected with the VIN pin of constant-current LED driver QX; The positive pole of polar capacitor C5 is then connected with triggering booster circuit.
Described triggering booster circuit then comprises pulse wave modulator AX, diode D1, diode D4, electric capacity C2, electric capacity C3, resistance R7, resistance R9, battery BT, button SA and transforming circuit.Wherein, the negative pole of electric capacity C2 is connected with the FB pin of pulse wave modulator AX, its positive pole is connected with the VIN pin of pulse wave modulator AX after diode D1.The P pole of diode D4 is connected with the SDIN pin of pulse wave modulator AX, and its N pole is then connected with the FBSW pin of pulse wave modulator AX after resistance R9; The positive pole of electric capacity C3 is connected with the SDIN pin of pulse wave modulator AX, its minus earth; One end of resistance R7 is connected with the EN pin of pulse wave modulator AX, the other end is then connected with described transforming circuit after button SA through battery BT successively.In order to reach better implementation result, this pulse wave modulator AX is preferably ISL97632 integrated circuit to realize.
Transforming circuit is used for the voltage of battery BT being carried out boosting process, and it comprises transformer T1, transformer T2, resistance R1, resistance R2, resistance R6, electric capacity C1, triode Q1 and triode Q2.Wherein, the non-same polarity on the former limit of transformer T1 is connected with the collector electrode of triode Q1, the emitter of triode Q1 is connected with the VIN pin of pulse wave modulator AX, the base stage of triode Q1 is then connected with the positive pole of electric capacity C2 with button SA (that is, the base stage of this triode Q1 is connected with the tie point of electric capacity C2 with button SA) respectively.Electric capacity C1 is serially connected between the base stage of triode Q1 and the Same Name of Ends on the former limit of transformer T1, and the Same Name of Ends on the former limit of transformer T1 is also connected with button SA.The non-same polarity of transformer T1 secondary is connected with the Same Name of Ends on the former limit of transformer T2 after resistance R1, and the Same Name of Ends of transformer T1 secondary is then connected with the VOUT pin of pulse wave modulator AX with the base stage of triode Q2 respectively.The collector electrode of triode Q2 is then connected with the non-same polarity on the former limit of transformer T2 after resistance R2, and the emitter of triode Q2 is then connected with the LX pin of pulse wave modulator AX through resistance R6.Meanwhile, the emitter of this triode Q2 is also connected with the positive pole of polar capacitor C5.
Described pulse driving circuit comprises: microwave detector A, diode D2, resistance R3, resistance R4, variable resistor R8, triode Q3, triode Q4 and electric capacity C4.Wherein, microwave detector A is for receiving the microwave information in external environment, and the pulse voltage simultaneously produced by triode Q3, triode Q4 and electric capacity C4 also outwardly sends the microwave information of strobotron VG flicker through this microwave detector A.The input of this microwave detector A is connected with constant current protective circuit, and its output is then connected with the collector electrode of triode Q3 after diode D2; The base stage of triode Q3 is connected with the Same Name of Ends of transformer T2 after resistance R3, and the emitter of triode Q3 is then connected with the collector electrode of triode Q4 after resistance R4.
Between the base stage that variable resistor R8 is then serially connected in triode Q4 and emitter; One end of electric capacity C4 is connected with the output of microwave detector A, and its other end is then connected with the emitter of triode Q4; Described strobotron VG is then in parallel with electric capacity C4.Meanwhile, the drain electrode of field effect transistor Q5 is also connected with the emitter of triode Q4.In order to better implement the present invention, this microwave detector A preferentially adopts TX982 type detector to realize.
The structure of described virtual protection emitter-base bandgap grading manifold type amplifying circuit as shown in Figure 2, it is primarily of triode Q6, triode Q7, power amplifier P2, power amplifier P3, be serially connected in the resistance R17 between the end of oppisite phase of power amplifier P2 and output, be serially connected in the polar capacitor C10 between the in-phase end of power amplifier P3 and output, be serially connected in the resistance R16 between the in-phase end of power amplifier P2 and the collector electrode of triode Q6, be serially connected in the resistance R18 between the collector electrode of triode Q6 and the base stage of triode Q7, the electric capacity C9 be in parallel with resistance R18, negative pole is connected with the in-phase end of power amplifier P2, the polar capacitor C8 that positive pole is connected with the emitter of triode Q6 after resistance R19, be serially connected in the resistance R20 between the base stage of triode Q7 and the positive pole of polar capacitor C8, positive pole is connected with the emitter of triode Q7, negative pole is in turn through electric capacity C11 that voltage stabilizing didoe D7 is connected with the output of power amplifier P2 after resistance R21, P pole is connected with the output of power amplifier P3, the diode D8 that N pole is connected with the tie point of resistance R21 with voltage stabilizing didoe D7 after resistance R22 through resistance R23, and P pole is connected with the negative pole of electric capacity C11, the voltage stabilizing didoe D9 that N pole is connected with the tie point of resistance R23 with diode D8 forms.
The base stage of described triode Q6 is connected with the positive pole of polar capacitor C8, and its emitter is connected with the emitter of triode Q7, and its collector electrode is connected with the end of oppisite phase of power amplifier P2; The collector electrode of triode Q7 is connected with the end of oppisite phase of power amplifier P3, and the in-phase end of power amplifier P3 is connected with the output of power amplifier P2.
During connection, the positive pole of polar capacitor C8 will be connected with the secondary Same Name of Ends of transformer T2, and resistance R23 is then connected with the base stage of triode Q4 with the tie point of resistance R22.The secondary non-same polarity of described transformer T2 is then connected with constant current protective circuit.
As shown in Figure 3, it is by protect IC U1, triode Q8, triode Q9, resistance R24, resistance R25, resistance R26, resistance R28, resistance R27, resistance R29, polar capacitor C12 for the structure of constant current protective circuit, and diode D10 and diode D11 forms.
During enforcement, this diode D11 is serially connected between the COMP pin of protect IC U1 and VREF pin, and the P pole of diode D10 is connected with the RT pin of protect IC U1, its N pole is then connected with the FB pin of protect IC U1 after resistance R24.This resistance R24 is that constant current detects resistance; pressure drop on it feeds back to the FB pin of protect IC U1; protect IC U1 then compares according to the height of this feedback voltage and the reference voltage of its inside; thus adjust the pulse duty factor that its DVR pin exports, then can reach the object of constant current thus.
Simultaneously; one end of this resistance R25 is connected with the CS pin of protect IC U1, its other end ground connection; one end of resistance R26 is connected with the DVR pin of protect IC U1, its other end is then connected with the base stage of triode Q8; when the DVR pin output excessive current of protect IC U1, this triode Q8 then can end, thus can protect the present invention.
One end of this resistance R28 is connected with the collector electrode of triode Q8, its other end is then connected with the collector electrode of triode Q9 after resistance R29, one end of resistance R27 is connected with the emitter of triode Q9, its other end ground connection, and the positive pole of polar capacitor C12 is connected with the emitter of triode Q9, its negative pole is then connected with the input of microwave detector A.
The N pole of described diode D10 is connected with the non-same polarity of transformer T2 secondary; The base stage of triode Q9 is connected with the tie point of resistance R29 with resistance R28, and the grounded emitter of triode Q8.The VREF pin of described protect IC U1 is connected with its VCC pin, its GND pin ground connection.In order to reach better protected effect, this protect IC U1 is preferably AP3843CP integrated circuit to realize.
As mentioned above, just the present invention can well be realized.
Claims (9)
1. the life raft energy conserving system based on constant current protection, it is by strobotron VG, constant-current LED driver QX, trigger booster circuit, the pulse driving circuit be connected with strobotron VG with this triggering booster circuit, grid is connected with the DRV pin of this constant-current LED driver QX, drain electrode is connected with the VIN pin of constant-current LED driver QX after resistance R5 through inductance L successively, and the field effect transistor Q5 of source ground, be serially connected in the controllable diode D3 between the drain electrode of field effect transistor Q5 and the VIN pin of constant-current LED driver QX, be serially connected in the LED group between the source electrode of field effect transistor Q5 and the VIN pin of constant-current LED driver QX, be serially connected in the beam excitation formula logic amplifying circuit triggered between booster circuit and the VIN pin of constant-current LED driver QX, and the virtual protection emitter-base bandgap grading manifold type amplifying circuit be serially connected between triggering booster circuit and pulse driving circuit forms, it is characterized in that, between transforming circuit and pulse driving circuit, be also serially connected with constant current protective circuit, described constant current protective circuit is by protect IC U1, triode Q8, triode Q9, be serially connected in the diode D11 between the COMP pin of protect IC U1 and VREF pin, P pole is connected with the RT pin of protect IC U1, the diode D10 that N pole is then connected with the FB pin of protect IC U1 after resistance R24, one end is connected with the CS pin of protect IC U1, the resistance R25 of other end ground connection, one end is connected with the DVR pin of protect IC U1, the resistance R26 that the other end is then connected with the base stage of triode Q8, one end is connected with the collector electrode of triode Q8, the resistance R28 that the other end is then connected with the collector electrode of triode Q9 after resistance R29, one end is connected with the emitter of triode Q9, the resistance R27 of other end ground connection, and positive pole is connected with the emitter of triode Q9, the polar capacitor C12 that negative pole is then connected with pulse driving circuit forms, the N pole of described diode D10 is connected with transforming circuit, the base stage of triode Q9 is connected with the tie point of resistance R29 with resistance R28, and the grounded emitter of triode Q8, the VREF pin of described protect IC U1 is connected with its VCC pin, its GND pin ground connection.
2. a kind of life raft energy conserving system based on constant current protection according to claim 1, it is characterized in that, described beam excitation formula logic amplifying circuit is primarily of power amplifier P1, NAND gate IC1, NAND gate IC2, NAND gate IC3, negative pole is connected with the in-phase end of power amplifier P1, the polar capacitor C5 of positive pole ground connection after optical diode D5, one end is connected with the positive pole of polar capacitor C5, the resistance R10 of other end ground connection after diode D6, positive pole is connected with the tie point of diode D6 with resistance R10, the polar capacitor C7 of minus earth, one end is connected with the negative input of NAND gate IC1, the resistance R11 that the other end is connected with the in-phase end of power amplifier P1, be serially connected in the resistance R12 between the end of oppisite phase of power amplifier P1 and output, one end is connected with the output of NAND gate IC1, the resistance R13 that the other end is connected with the negative input of NAND gate IC3, positive pole is connected with the output of NAND gate IC2, the electric capacity C6 that negative pole is connected with the negative input of NAND gate IC3, and one end is connected with the positive pole of polar capacitor C7, the resistance R14 that the other end is connected with the negative input of NAND gate IC2 forms, the electrode input end of described NAND gate IC1 is connected with the end of oppisite phase of power amplifier P1, and its output is connected with the electrode input end of NAND gate IC2, the electrode input end of NAND gate IC3 is connected with the output of power amplifier P1, and its output is then connected with the VIN pin of constant-current LED driver QX, the positive pole of polar capacitor C5 is then connected with triggering booster circuit,
Described virtual protection emitter-base bandgap grading manifold type amplifying circuit is primarily of triode Q6, triode Q7, power amplifier P2, power amplifier P3, be serially connected in the resistance R17 between the end of oppisite phase of power amplifier P2 and output, be serially connected in the polar capacitor C10 between the in-phase end of power amplifier P3 and output, be serially connected in the resistance R16 between the in-phase end of power amplifier P2 and the collector electrode of triode Q6, be serially connected in the resistance R18 between the collector electrode of triode Q6 and the base stage of triode Q7, the electric capacity C9 be in parallel with resistance R18, negative pole is connected with the in-phase end of power amplifier P2, the polar capacitor C8 that positive pole is connected with the emitter of triode Q6 after resistance R19, be serially connected in the resistance R20 between the base stage of triode Q7 and the positive pole of polar capacitor C8, positive pole is connected with the emitter of triode Q7, negative pole is in turn through electric capacity C11 that voltage stabilizing didoe D7 is connected with the output of power amplifier P2 after resistance R21, P pole is connected with the output of power amplifier P3, the diode D8 that N pole is connected with the tie point of resistance R21 with voltage stabilizing didoe D7 after resistance R22 through resistance R23, and P pole is connected with the negative pole of electric capacity C11, the voltage stabilizing didoe D9 that N pole is connected with the tie point of resistance R23 with diode D8 forms, the base stage of described triode Q6 is connected with the positive pole of polar capacitor C8, and its emitter is connected with the emitter of triode Q7, and its collector electrode is connected with the end of oppisite phase of power amplifier P2, the collector electrode of triode Q7 is connected with the end of oppisite phase of power amplifier P3, and the in-phase end of power amplifier P3 is connected with the output of power amplifier P2, the positive pole of described polar capacitor C8 is connected with triggering booster circuit, and resistance R23 is then connected with pulse driving circuit with the tie point of resistance R22.
3. a kind of life raft energy conserving system based on constant current protection according to claim 2, it is characterized in that, described triggering booster circuit is by transforming circuit, pulse wave modulator AX, negative pole is connected with the FB pin of pulse wave modulator AX, the electric capacity C2 that positive pole is connected with the VIN pin of pulse wave modulator AX after diode D1, P pole is connected with the SDIN pin of pulse wave modulator AX, the diode D4 that N pole is then connected with the FBSW pin of pulse wave modulator AX after resistance R9, positive pole is connected with the SDIN pin of pulse wave modulator AX, the electric capacity C3 of minus earth, and one end is connected with the EN pin of pulse wave modulator AX, the resistance R7 that the other end is then connected with transforming circuit after button SA through battery BT in turn forms.
4. a kind of life raft energy conserving system based on constant current protection according to claim 3, it is characterized in that, described transforming circuit comprises transformer T1, transformer T2, resistance R1, resistance R2, resistance R6, electric capacity C1, triode Q1 and triode Q2; Wherein, the non-same polarity on the former limit of transformer T1 is connected with the collector electrode of triode Q1, and the emitter of triode Q1 is connected with the VIN pin of pulse wave modulator AX, and the base stage of triode Q1 is then connected with the positive pole of electric capacity C2; Electric capacity C1 is serially connected between the base stage of triode Q1 and the Same Name of Ends on the former limit of transformer T1; The Same Name of Ends on the former limit of transformer T1 is also connected with battery BT after button SA; The non-same polarity of transformer T1 secondary is connected with the Same Name of Ends on the former limit of transformer T2 after resistance R1, and the Same Name of Ends of transformer T1 secondary is then connected with the VOUT pin of pulse wave modulator AX with the base stage of triode Q2 respectively; The collector electrode of triode Q2 is then connected with the non-same polarity on the former limit of transformer T2 after resistance R2, the emitter of triode Q2 is then connected with the LX pin of pulse wave modulator AX after resistance R6, meanwhile, the emitter of this triode Q2 is also connected with the positive pole of polar capacitor C5; The positive pole of described polar capacitor C8 is then connected with the Same Name of Ends of transformer T2 secondary, and the N pole of diode D10 is then connected with the non-name end of transformer T2 secondary.
5. a kind of life raft energy conserving system based on constant current protection according to claim 4, it is characterized in that, described pulse driving circuit comprises: microwave detector A, diode D2, resistance R3, resistance R4, variable resistor R8, triode Q3, triode Q4 and electric capacity C4; Wherein, the input of microwave detector A is connected with the negative pole of polar capacitor C12, and its output is then connected with the collector electrode of triode Q3 after diode D2; The base stage of triode Q3 is connected with the Same Name of Ends of transformer T2 after resistance R3, and the emitter of triode Q3 is then connected with the collector electrode of triode Q4 after resistance R4; Between the base stage that variable resistor R8 is then serially connected in triode Q4 and emitter; One end of electric capacity C4 is connected with the output of microwave detector A, and its other end is then connected with the emitter of triode Q4; Described strobotron VG is then in parallel with electric capacity C4; Meanwhile, the emitter of triode Q4 is also connected with the drain electrode of field effect transistor Q5; Described resistance R23 is then connected with the base stage of triode Q4 with the tie point of resistance R22.
6. a kind of life raft energy conserving system based on constant current protection according to claim 5, it is characterized in that, described pulse wave modulator AX is ISL97632 integrated circuit.
7. a kind of life raft energy conserving system based on constant current protection according to claim 5, it is characterized in that, described driver QX is QX5241 type driver.
8. a kind of life raft energy conserving system based on constant current protection according to claim 5, it is characterized in that, described microwave detector A is TX982 type detector.
9. a kind of life raft energy conserving system based on constant current protection according to any one of Claims 1 to 5, it is characterized in that, described protect IC U1 is AP3843CP integrated circuit.
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| CN201510316244.5A CN104902646A (en) | 2014-11-28 | 2015-06-10 | Life raft energy-saving system based on constant-current protection |
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| CN110441898A (en) * | 2019-08-21 | 2019-11-12 | 苏州精濑光电有限公司 | A kind of microscope and its control method |
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