CN2307391Y

CN2307391Y - Battery controller for camera

Info

Publication number: CN2307391Y
Application number: CN 97244450
Authority: CN
Inventors: 冯长喜
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-08-01
Filing date: 1997-08-01
Publication date: 1999-02-10
Anticipated expiration: 2007-08-01

Abstract

The utility model relates to a battery controller for a multifunctional camera, which is composed of a shell body, a power circuit for a timing control charger, a discharge circuit for a battery and an on-off control circuit for a charger. A voltmeter, a power supply seat for a charger, a display switch for the power supply for a charger and a contact switch for a contactor are arranged on the shell body; the power circuit for a charger timing control, the discharge circuit for a battery and the on-off control circuit for a charger are respectively composed of a voltage transformation circuit, a rectifying and filtering circuit, a voltage stabilization circuit, an indicating and discharging circuit, a display circuit and a cut circuit controlling the attraction of a relay. The utility model has simple structure, convenient operation and moderate time control for the charging and the discharging of the battery; generated memory effect on the charging and the discharging of the battery can be avoided; the utility model can be wodely suitable for controlling the charging and the discharging of the battery for a camera.

Description

Multi-functional video camera battery controller

The utility model relates to a kind of video camera battery controller, particularly relates to a kind of multi-functional video camera battery controller, is applicable to that video camera battery discharges and recharges control.

The video camera kind of selling on the existing market is more; video camera battery is also varied; after video camera battery charging use appears in regular meeting; remainder electric energy also; but the problem that can not use next time; if directly to the use of directly charging of the surplus battery that the part electric energy arranged; can produce and owe charging; overcharge " memory effect "; it is a main cause that causes rechargeable battery to scrap; the method that prevents generation " memory effect " is to recharge after the battery standard discharge; and original-pack charger does not possess discharging function; though as adopt the running video camera to discharge safe and reliable; but abrasion machine in vain; discharge and difficulty is accomplished appropriateness with other electrical equipment; and; after reaching desirable discharge as battery; also need charging fully in time; and original-pack charger does not possess time control; grasp to the battery optimal charge time; judge with user's experience entirely, often owe the charging and the phenomenon of overcharging, off-capacity when owing the charging use; overcharge the damage battery, thus make prior art in various degree expose the some shortcomings part.

It is a kind of simple in structure, easy to use, safe and reliable that the purpose of this utility model is to provide, and after circuit discharged and recharged, charger and controller were all cut off the power supply, and has auto-lock function and can be controller and a kind of multi-functional video camera battery controller of charger power supply.

The technical solution of the utility model is, a kind of multi-functional video camera battery controller, form by housing and timing controlled charger power supply circuits and battery discharging circuit and control charger on-off circuit, it is characterized in that: wherein, housing is provided with voltmeter, the charger power socket, the battery supply display switch, key switch, timing controlled charger power supply circuits are by the latching circuit that is subjected to relay J 1 control, transforming circuit, current rectifying and wave filtering circuit, voltage stabilizing circuit, timing circuit, control relay adhesive open circuit, produce quenching pulse circuit and insurance F, the charger power supply base, capacitor C 4, resistance R 3, R4, R7, diode D1, relay J 1 branch road constitutes, and battery discharging circuit and control charging on-off circuit are by indicating circuit, discharge circuit, display circuit, control relay adhesive open circuit constitutes.

Advantage of the present utility model is:

1, simple in structure, easy to use, safe and reliable, after circuit discharged and recharged, charger and controller were all cut off the power supply, and have auto-lock function;

2, controller control charger makes battery charging and discharging amount and time appropriateness, can avoid producing " memory effect ";

3, the product scope of application is extensive, and machining process route is short, easily processing and manufacturing.

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model timing controlled charger power supply circuit;

Fig. 3 is the utility model battery discharging circuit and control charger on-off circuit figure.

Below in conjunction with description of drawings embodiment of the present utility model:

As Fig. 1, Fig. 2, shown in Figure 3, a kind of multi-functional video camera battery controller, form by housing 1 and timing controlled charger power supply circuits 2 and battery discharging circuit and control charger on-off circuit 3, it is characterized in that: wherein, housing 1 is provided with voltmeter 4, charger power socket 5, battery supply display switch 6, key switch 7, timing controlled charger power supply circuits 2 are by the latching circuit 8 that is subjected to relay J 1 control, transforming circuit 9, current rectifying and wave filtering circuit 10, voltage stabilizing circuit 11, timing circuit 12, control relay adhesive open circuit 13, produce quenching pulse circuit 14 and insurance F, the charger power supply base, capacitor C 4, resistance R 3, R4, R7, diode D1, relay J 1 branch road constitutes, and battery discharging circuit and control charging on-off circuit 3 are by indicating circuit 15, discharge circuit 16, display circuit 17, control relay adhesive open circuit 18 constitutes.

Wherein, latching circuit 8 in the timing controlled charger power supply circuits 2 is made of the J1-1 and the key switch AN1 that are subjected to relay J 1 control, transforming circuit 9 is made of transformer B, current rectifying and wave filtering circuit 10 is by the bridge rectifier filter D, capacitor C 3 constitutes, voltage stabilizing circuit 11 is made of integrated circuit LM7812, timing circuit 12 is by integrated circuit CD4060, capacitor C 1, resistance R 1 branch road and with integrated circuit CD4060 9., 10., the capacitor C 5 that the pin joins, resistance R 4, R6 constitutes, control relay adhesive open circuit 13 is by triode VT1, VT2 constitutes, generation quenching pulse circuit 14 second time is by relay J 2-2, capacitor C 2, resistance R 2 constitutes, indicating circuit 15 in battery discharging circuit and the control charger on-off circuit 3 is by voltmeter V, K switch 1 constitutes, pilot cell voltage E, discharge circuit 16 is by integrated circuit LM7805, resistance R 3 capacitor C 2, C3, branch road constitutes, display circuit 17 is by resistance R 2, light-emitting diode D3 constitutes, control relay adhesive open circuit 18 is by triode VT3, VT4, diode D1, D2, relay J 2, capacitor C 1, resistance R 1 and resistance R 4, divider resistance W1 constitutes, and, the external normally-closed contact charger of relay J 2-1.

Circuit working principle of the present utility model is: as Fig. 2, timing controlled charger power supply circuits 2, push button behind the switch AN1, through transformation, rectifying and wave-filtering, voltage stabilizing circuit CD4060 obtains stable 12V power supply, while C1, R1 produces a spike, make the zero clearing of CD4060 circuit, at this moment, the CD4060 circuit is started working, CD4060 pin is low level, VT1 ends, the collector plate of VT1 is high level, the VT2 conducting, the work of J1 adhesive latching circuit, circuit is to charger and timer power supply, as Fig. 3, in battery discharging circuit and the control charger on-off circuit 3, press AN2 after, E is through LM7805 in the J2 adhesive, the R3 discharge, this moment, battery terminal voltage was higher, through R4, the current potential that injects the VT3 base stage after the W1 dividing potential drop is higher, makes the VT3 conducting, VT4 also conducting provides power supply for J2, at this moment unclamp AN2, J2 keeps adhesive, and E continues discharge, discharge along with E, battery terminal voltage reduces gradually, and the VT3 substrate potential also decreases, when battery is lower than the 10.8V setting, VT3, VT4 ends, the J2 dead electricity disconnects, and the E discharge stops, and the normally-closed contact of J2-1 is connected to charger, realized by the automatic conversion that is discharged to charging, the normally-closed contact of J2-2 is connected to the C3 anode simultaneously, at this moment C3, R3 produces a spike, makes the IC zero clearing, IC restarts timing, because battery from the time that the place value of standard begins to charge to optimum value be certain, so pick up counting the 3. pin of IC output high pulse signal after six hours from here, triode VT1 conducting, its collector electrode is low-voltage, and three plate pipe VT2 are ended, relay J 1 dead electricity and discharging, charger and controller are de-energized simultaneously, and end-of-job regularly charges.

Claims

1, a kind of multi-functional video camera battery controller, form by housing (1) and timing controlled charger power supply circuits (2) and battery discharging circuit and control charger on-off circuit (3), it is characterized in that: wherein, housing (1) is provided with voltmeter (4), charger power socket (5), battery supply display switch (6), key switch (7), timing controlled charger power supply circuits (2) are by the latching circuit (8) that is subjected to relay J 1 control, transforming circuit (9), current rectifying and wave filtering circuit (10), voltage stabilizing circuit (11), timing circuit (12), control relay adhesive open circuit (13), produce quenching pulse circuit (14) and insurance F, the charger power supply base, capacitor C 4, resistance R 3, R4, R7, diode D1, relay J 1 branch road constitutes, and battery discharging circuit and control charging on-off circuit (3) are by indicating circuit (15), discharge circuit (16), display circuit (17), control relay adhesive open circuit (18) constitutes.

2, a kind of multi-functional video camera battery controller according to claim 1, it is characterized in that: the latching circuit (8) in the described timing controlled charger power supply circuits (2) is made of the J1-1 and the key switch AN1 that are subjected to relay J 1 control, transforming circuit (9) is made of transformer B, current rectifying and wave filtering circuit (10) is by bridge rectifier filter D 1-D4, capacitor C 3 constitutes, voltage stabilizing circuit (11) is made of integrated circuit LM7812, timing circuit (12) is by integrated circuit CD4060, capacitor C 1, resistance R 1 branch road and with integrated circuit CD4060 9., 10., the capacitor C 5 that the pin joins, resistance R 4, R6 constitutes, control relay adhesive open circuit (13) is by three plate pipe VT1, VT2 constitutes, produce the quenching pulse circuit second time (14) by relay J 2-2, capacitor C 2, resistance R 2 constitutes, indicating circuit (15) in battery discharging circuit and the control charger on-off circuit (3) is by voltmeter V, K switch 1 constitutes, pilot cell voltage E, discharge circuit (16) is by integrated circuit LM7805, resistance R 3, capacitor C 2, the C3 branch road constitutes, display circuit (17) is by resistance R 2, light-emitting diode D3 constitutes, control relay adhesive open circuit (18) is by three plate pipe VT3, VT4, diode D1, D2, relay J 2, capacitor C 1, resistance R 1 and resistance R 4, divider resistance W1 constitutes, and, relay J 2-1 normally-closed contact external charge device.