CN2127814Y

CN2127814Y - Quick-charging and power-saving flash lamp

Info

Publication number: CN2127814Y
Application number: CN 91227714
Authority: CN
Inventors: 徐京培
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-11-05
Filing date: 1991-11-05
Publication date: 1993-03-03
Anticipated expiration: 2001-11-05

Abstract

The utility model discloses a birth badge for a man. A circle, or a square, or other geometric shapes with aesthetic sense of the birth badge for a man are composed of cover caps and pedestals; an inner chamber is used for placing a birth badge or a birth card; the birth badge is provided with pictures of born year animals, the dates of the gregorian calendar and the lunar calendar, and the birth address; the birth card can be used for printing and recording the fingerprints of an infant and the parents. The utility model has the advantages of delicate design, beautiful shape, and convenience for preserving, storing, and commemorating. The birth badge for a man can also serve as an evidence of the birth and the birthday of the man.

Description

Quick-charging and power-saving flash lamp

The utility model relates to a kind of quick charge, economize on electricity photoflash lamp.

At present, homemade photoflash lamp of being sold on the market and part import photoflash lamp, adopt the whole charging circuit of a cover oscillation boosting to charge to main capacitance, therefore charging rate is slow, is generally 10～13 seconds (index 24), to taking continuously under the low light level and snapping very inapplicable under specific circumstances, and because oscillation transformer is worked continuously, relatively take electricity, four batteries are taken continuously less than 30, promptly can not use.

The purpose of this utility model provides a kind of quick charge, economize on electricity photoflash lamp, and charging rate can reach 3～5 seconds, and saves energy, compares with commercially available photoflash lamp, and economize on electricity reaches 30%.

The utility model comprises DC power supply, flash lamp tube, is attempted by the main capacitance between the flash lamp tube two end electrodes, be attempted by the main capacitance two ends, to the oscillation boosting rectifier charging circuit of main capacitance charging, be positioned at the trigger flashing circuit of main capacitance output and flash lamp tube xenon interpolar, it is characterized in that described oscillation boosting rectifier charging circuit is that two nested structures are identical, the oscillation boosting rectifier charging circuit of mutual parallel connection, also comprise the economize on electricity indication control circuit that is positioned between main capacitance output and oscillating circuit.Economize on electricity indication control circuit detects the main capacitance terminal voltage, moves when the main capacitance terminal voltage reaches certain value, outputs control signals to the oscillation boosting rectifier charging circuit, forces the oscillating circuit failure of oscillation, sends the light indication simultaneously.

Owing to adopted two cover oscillation boosting rectifier charging circuits, jointly to the main capacitance charging, therefore shortened the charging interval greatly with parallel way, again owing to increase economize on electricity indication control circuit, when the main capacitance electric charge is full of, in time stop oscillating circuit to continue vibration, therefore saved electric energy.

Describe technology of the present utility model in detail below in conjunction with the embodiment accompanying drawing.

Accompanying drawing 1 is the total theory diagram of the utility model photoflash lamp.

Accompanying drawing 2 is the theory diagram of power circuit among Fig. 1.

Accompanying drawing 3 is the theory diagram of oscillation boosting rectifier charging circuit among Fig. 1.

Accompanying drawing 4 is the theory diagram of economize on electricity indication control circuit among Fig. 1.

Accompanying drawing 5 is the theory diagram of trigger flashing circuit among Fig. 1.

Accompanying drawing 6 is the utility model photoflash lamp contour structures schematic diagram.

Accompanying drawing 7 is the utility model flash lamp circuit complete schematic diagram.

Referring to accompanying

drawing

1,1 is DC power supply, and 2 is the oscillation boosting rectifier charging circuit, and 3 are economize on electricity indication control circuit, and 4 is the trigger flashing circuit.

Referring to accompanying drawing 2, because photoflash lamp requires bigger operating current, thereby the utility model power supply adopts 4 joint rechargeable batteries, and it is little to have an internal resistance, the characteristics that discharging current is big.

Referring to accompanying drawing 3, the oscillation boosting rectifier charging circuit 2 of this photoflash lamp is made up of two identical oscillation step-up

circuits

5,6 of line construction and rectification circuit separately, that be made up of rectifier diode, electric capacity (D1, C2), (D3, C5) thereof, they also connect the common main capacitance C6 of the giving charging in back, and power supply 1 anode (+) connects the power end of oscillation step-up

circuit

5,6.

Referring to accompanying drawing 4, economize on electricity indication control circuit 3 is by being used to indicate the neon bulb circuit 7 of electricity-saving state and diode circuit of voltage regulation 8,

triode

9,10 serial connections of controlling that are used to economize on electricity to form.Neon bulb 7 links to each other with main capacitance C6 negative terminal through current-limiting resistance R2 on the one hand, on the other hand with trigger flashing circuit 4(number in the figure 13) link to each other.The emitter e of triode 9 connects photoflash lamp K switch 1, and the collector electrode c of triode 10 connects oscillation boosting rectifier charging circuit 2.Connect the photoflash lamp switch, be 3 power supplies of economize on electricity indication control circuit; When main capacitance C6 is full of electric charge, neon bulb 7 is lighted, voltage stabilizing didoe 8 reaches anti-phase puncture voltage conducting simultaneously, give 9 one triggering signals of triode, cause

triode

9,10 conductings, triode 10 collector electrodes output control signal forces the failure of oscillations of oscillation boosting rectifier charging circuit, reaches purpose of saving.

Referring to accompanying drawing 5, trigger flashing circuit 4 is in series by trigger flashing control circuit 11 and flash lamp tube 12, and trigger flashing control circuit 11 is at the high pressure of the moment of closed trigger switch generation 8000～10000V, and the xenon utmost point of trigger flashing fluorescent tube 12 is lighted fluorescent tube 12.

Referring to accompanying drawing 6, the

knob

17,18 that the contour structures of photoflash lamp comprises vertical duction graduation mark 14, photoflash lamp switch indication shelves 15, trigger switch 16, be connected and fixed with camera is hot cave.

Referring to accompanying drawing 7, form by the power circuit shown in the frame of broken lines 1, oscillation boosting rectifier charging circuit 2, economize on electricity indication control circuit 3, trigger flashing circuit 4 and main capacitance C6.

Power circuit 1 comprise rechargeable battery E and with it the polyphone photoflash lamp K switch 1(Fig. 6 in 15 the indication its states).

Oscillation boosting rectifier charging circuit 2, by two identical standard L, R, C, triode self-maintained circuit, the oscillation transformer booster circuit, diode, electric capacity rectification circuit are formed by connecting.L, R, C oscillation step-up circuit comprise triode BG1(BG4), inductance L 2(L2 '), capacitor C 1(C4), resistance R 1(R4) and oscillation transformer B1(B2).D1(D3 among the figure), be rectification circuit C2(C5).

When connecting photoflash lamp K switch 1, C1, C4 are charged, give triode BG1, BG4(D965 by L2, L2 ') triggering signal, make its collector electrode c, emitter e conducting, at oscillation transformer B1, B2(1303H) primary coil L1, L1 ' on produce induced potential, be coupled its secondary coil L3, L3 ' end triode BG1, BG4 again.So be concatenated to form self-oscillation, L3, L3 ' induce needed voltage, again through diode D1, D3, capacitor C 2, C5 rectification output.They and connect stack after add to trigger flashing circuit 4, economize on electricity indication control circuit 3, flash lamp tube 12 two end electrodes and main capacitance C6, give main capacitance C6 charging jointly.

Economize on electricity indication control circuit 3,, neon bulb 7, voltage stabilizing didoe D2(IN5947B by current-limiting resistance R2) and triode BG2(PNP pipe 8550), BG3(NPN pipe 8050) be connected in series and form.They are connected across main capacitance C6 two ends, and BG3 collector electrode output economize on electricity controls signal to the base stage b of triode BG1, BG4 in the oscillation boosting rectifier charging circuit 2.

When main capacitance C6 is full of electric charge, neon bulb 7 is lighted, the indication electricity-saving state, while voltage stabilizing didoe D2 reverse breakdown, BG2, BG3 conducting, BG3 collector electrode output electronegative potential, force BG1, BG4 by, failure of oscillation, this moment, the circuit power consumption was about 5～10mA, and common flash lamp circuit is 150mA～250mA, realizes purpose of saving.When main capacitance C6 is not full of electric charge.Because of not conducting of voltage stabilizing didoe D2, BG2, BG3 end, and do not influence oscillating circuit work.

Trigger flashing circuit 4 comprises trigger flashing control circuit 11 and the flash lamp tube 12 that is linked to be by resistance R 2, R3, capacitor C 3, trigger winding B3, trigger switch K2, and flash lamp tube two end electrodes and main capacitance C6 and the output of oscillation boosting rectifier charging circuit also connect.Flashing control circuit 11 connects the xenon utmost point of flash lamp tube 12, power supply charges to C3 by R2, R3, when main capacitance C6 both end voltage reaches the 330V(index is 24) time, this moment, C3 produced induced potential to the discharge of B3 primary coil as if closed trigger switch K2, boost by the coupling of B3 secondary coil, the high pressure of instantaneous generation 8000～10000V, the xenon utmost point of trigger flashing fluorescent tube is lighted fluorescent tube 12.

The utlity model has simple in structure, power savings good, the advantage that charging rate is fast.

Claims

1, a kind of quick charge, economize on electricity photoflash lamp, comprise DC power supply, flash lamp tube, be attempted by the main capacitance between the flash lamp tube two end electrodes, be attempted by the oscillation boosting rectifier charging circuit of main capacitance two ends to the main capacitance charging, be positioned at the trigger flashing circuit of output of oscillation boosting rectification charging road and flash lamp tube xenon interpolar, it is characterized in that:

1) described oscillation boosting rectifier charging circuit is the identical oscillation boosting rectifier charging circuit of two line constructions that connects with parallel way;

2) also comprise the economize on electricity indication control circuit that is positioned between main capacitance and oscillating circuit, detect the main capacitance terminal voltage, output control signals to described oscillation boosting rectifier charging circuit.

2, quick charge according to claim 1, economize on electricity photoflash lamp is characterized in that described oscillation boosting rectifier charging circuit is made up of standard L, R, C, triode self-maintained circuit, oscillation transformer booster circuit and diode, electric capacity rectification circuit.

3, quick charge according to claim 1, economize on electricity photoflash lamp, it is characterized in that described economize on electricity indication control circuit is connected in series in turn and is formed by current-limiting resistance, neon bulb, voltage stabilizing didoe, PNP triode, NPN triode, current-limiting resistance one termination main capacitance negative terminal, the PNP transistor emitter connects power positive end, the voltage stabilizing didoe negative terminal connects the PNP transistor base, the NPN transistor collector connects the base stage of triode in the oscillation boosting rectifier charging circuit, the NPN transistor emitter connects power-and main capacitance anode, and the PNP transistor collector connects the NPN transistor base.