CN2836252Y - Intelligent integrated instrument for lead acid storage battery - Google Patents

Abstract

The utility model relates to an intelligent integrated instrument for a lead acid storage battery, which is composed of a charging circuit, a restoring circuit, a control and regulation circuit and a power supply circuit. The charging circuit has the structure that a switch K1 is connected with a contact b1, the cathode of a controlled silicon is connected with a pulse DC voltage, the anode of the controlled silicon is connected with the negative pole of a chargeable battery, the gate of the controlled silicon is connected with the control and regulation circuit which is connected with a pulse transformer, the pulse transformer is connected with an LZ110 which is respectively connected with a voltage detection device and the K1 is connected with a power supply. The restoring circuit has the structure that the switch K1 is connected with a contact a1, a switch K2 is connected with a contact d2, a voltage stabilizing filtering device is connected with an oscillation circuit CD4069 which is respectively connected with a cycle adjustment device and a counting time sequential pulse device CD4017 which is connected with a switch tube Q4 and the switch tube Q4 is connected with a restoring battery. The utility model has the functions of quick charge and battery restoring.

Description

Lead acid accumulator intelligent comprehensive instrument

One, technical field

The utility model relates to battery charger, and particularly lead acid batteries charger is made the field.

Two, background technology

Lead acid accumulator has cheap, and is easy to carry, characteristics capacious.Nearly according to incompletely statistics 3,000 ten thousand of China's lead-acid battery annual production, only automobile and electric bicycle are annual just needs 2,500 ten thousand, but the useful life of lead-acid battery is shorter.In the battery of scrapping, have more than 65% and cause because of plate vulcanizing.Caused many economic loss to the enterprises and individuals every year.

The lead acid batteries charger great majority of Xiao Shouing are to adopt transformer step-down, the charger that diode rectification or bridge rectifier and control circuit constituted in the market.This class charger weak point is a function singleness, does not have maintenance, and battery repair function, storage battery can produce polarization phenomena in charging process, and the rate of gasification height vulcanizes to pole plate, and the storage battery that causes capacity to reduce can't charge.Restorative procedure commonly used at present is to pry open the storage battery Capsule, pours out the electrolyte in the storage battery, pours into distilled water and cleans repeatedly, and repeated charge wastes time and energy, and repair time is very long, then has little effect.

Three, utility model content

This novel purpose provides a kind of lead acid accumulator intelligent comprehensive instrument, to have the function of quick charge, maintenance and reparation.

This novel purpose is achieved in that a kind of lead acid accumulator intelligent comprehensive instrument, by charging circuit, maintenance circuit, battery is repaired circuit, control circuit and power circuit and is constituted, it is characterized in that: charging circuit is: described K switch 1 connects the b1 contact, the controllable silicon negative electrode connects pulsed dc voltage, anode connects the rechargeable battery negative pole, gate pole connects the regulating and controlling circuit, the regulating and controlling circuit connects pulse transformer, pulse transformer meets integrated circuit LZ110.15, LZ110 connects voltage detecting and accessory power supply respectively, and described K switch 1 connects power supply; The reparation circuit is: described K switch 1 connects the a1 contact, K switch 2 connects the d2 contact, voltage regulation filtering connects integrated circuit CD4069 oscillating circuit, the CD4069 oscillating circuit connects cycle adjustment and the pulse of integrated circuit CD4017 counting sequence respectively, the pulse of CD4017 counting sequence connects the Q4 switching tube, and the Q4 switching tube connects the reparation battery.

The utility model beneficial effect compared with prior art is:

1, adopts pulse current charge, after the circuit starting of oscillation, export high level in certain sequence, periodic duty in the different cycles that battery is charging → stopping and filling → discharging → charge, sulfide is resolved into sulfuric acid and brown lead oxide gradually, thereby eliminate sulfuration, recover the normal capacity of battery.

2, quick charge is full of automatic stop.Because during charging just, the storage battery both end voltage is low, thereby charging current is big.When storage battery is about to abundance (36V storage battery terminal voltage can reach 44V).Because charging voltage is more and more near the crest value of pulse direct current output voltage, then charging current also can be more and more littler, becomes trickle charge automatically, and when the storage battery both end voltage was charged to the crest maximum of rectification output, charging process stopped.Through testing three economize on electricity motor-car storage batterys (12V/12Ah three joint series connection), only need several hrs to be full of with this Charging Instrument.

3, adopt charging application-specific integrated circuit (ASIC) LZ110 chip, had fast pulse charger and back pulse discharging function, the discharge depolarization pattern.Can safeguard, maintain, prolong the storage battery life-span to storage battery automatically.

4, output voltage configures back (for example 36V), if being recharged the pond pole plate comes off, causes certain Battery pack obstructed, or short circuit occurs, and then battery terminal voltage promptly is reduced to zero, and at this moment Charging Instrument is with the no-output electric current.

5, if be recharged a bottle voltage deviation setting voltage, as be set at 36V and misconnection is 24V, 12V, 6V etc., Charging Instrument is the no-output electric current also.Misconnection is the 36V battery if be set at 24V, because the Charging Instrument output voltage is lower than battery voltage, thereby can not charge to storage battery.

When 6, the output of Charging Instrument is as if short circuit, because the circuits for triggering of controllable silicon SCR can not be worked in the Charging Instrument, thereby not conducting of controllable silicon, output current is zero.

7, if use mistiming that the storage battery positive and negative electrode is connect instead, then thyristor gating circuit oppositely ends, Triggerless, and not conducting of controllable silicon, output current is zero.

8, this instrument collection intelligent charge, maintenance, battery reparation are one, for the user provides great convenience.

Four, description of drawings

Fig. 1 is this novel electric theory diagram;

Fig. 2 is this novel circuit diagram

1. power transformers among Fig. 1,2. pulse dc power, 3. regulating and controlling circuit, 4. rechargeable battery, 5. ripple, 6.Q2 switching tube are considered in voltage stabilizing, 7.Q3 exciter tube, 8. counting sequence pulse, 9. oscillating circuit, 10. reparation battery, 11.Q4 switching tube, 12. spikes, 13. the cycle is adjusted, 14. accessory power supplys, and 15. integrated circuit LZ110.16. pulse transformer .17. voltage detecting .a1. repair the contact, b1. the contact of charging, d2. activates the contact, and c2. speed activates

Five, embodiment

Fig. 1 illustrates, this lead acid accumulator intelligent comprehensive instrument, and by charging circuit, maintenance circuit, battery is repaired circuit, control circuit and power circuit and is constituted; Charging circuit is: K switch 1 connects b1 contact (i.e. " charging " position), the controllable silicon negative electrode connects pulsed dc voltage 2, anode connects rechargeable battery 4 negative poles, gate pole connects regulating and controlling circuit 3, the regulating and controlling circuit connects pulse transformer 16, pulse transformer meets integrated circuit LZ110.15, and LZ110 connects voltage detecting 17 and accessory power supply respectively, and K switch 1 connects power supply; The reparation circuit is: described K switch 1 connects the a1 contact, K switch 2 connects the d2 contact, voltage regulation filtering connects integrated circuit CD4069 oscillating circuit 9, the CD4069 oscillating circuit connects cycle adjustment 13 and integrated circuit CD4017 counting sequence pulse 8 respectively, the pulse of CD4017 counting sequence connects Q4 switching tube 11, and the Q4 switching tube connects repairs battery 10.

Described K switch 2 also can connect the c2 contact, and the c2 contact connects Q3 exciter tube 7, and the Q3 exciter tube connects Q2 switching tube 6, and the Q2 switching tube connects repairs battery 10

Below in conjunction with accompanying drawing 2 and embodiment the utility model is further specified:

1, quick-charging circuit

The AC220V civil power is through transformer T1 step-down, inferior pole tension, after the D1-D4 full-wave rectification, supply with charging circuit, maintenance circuitry, repair circuit working, when K switch 1 connects b1 contact (promptly placing " charging " shelves), after output is pressed the charging bottle of correct polarity access setting, when each half-wave peak value of rectification voltage pulse output surpasses the output voltage of storage battery, controllable silicon SCR 1 is not conducting temporarily, has only the drive signal of being exported by 8 pin of LZ110 when controllable silicon SCR 4, the SCR1 conducting that is triggered during ac leading point triggering and conducting by control transformer T2, electric current charges to storage battery through controllable silicon SCR 1, pulsating voltage is during near battery voltage, controllable silicon turn-offs, stop charging, regulate W1, the conducting voltage of adjustable transistor Q1, generally the descending Q1 of adjusting to conducting can be able to be triggered controllable silicon (conducting) gets final product, LED 1 among the figure is as charging normal indication, this Charging Instrument is if be used for the charge in batteries of other voltage (as 24V, 12V etc.), then can choose the inferior utmost point output voltage of transformer, be respectively 22～26V, types such as 12～14V reduce the resistance of R1 and R3 simultaneously, also the available band switch is controlled time utmost point alternating voltage and resistance conversion respectively, makes this Charging Instrument that the bigger scope of application be arranged.

2, repair circuit

When K switch 1 connects a1 contact (promptly placing " reparation " shelves), when K switch 2 connects d2 contact (promptly placing " activation " shelves), after the correct access of storage battery to be repaired, electric current is by R4, D5, after C1 forms voltage stabilizing circuit, be CD4069 (IC1) and CD4017 (IC2) power supply, the oscillating circuit starting of oscillation that IC1 and peripheral cell are formed, 1～11 pin of IC2 (not comprising 8 pin) is exported high level in certain sequence, like this circuit with cycle of oscillation of 1/2 to battery charge, stop filling for 2/5 cycle of oscillation, 1/10 periodic discharging periodic duty, this charging modes can directly activate storage battery, and concrete activationary time is with the capacity of storage battery, size, quality quality etc. and decide poor quality's storage battery, activationary time is long, but should not activate under the situation of overdischarge.

When K switch 1 connects a1 contact (promptly placing " reparation " shelves), K2 be connected to the c2 contact (promptly place " and speed activate " shelves) time, circuit is with the time charging in 4/5 cycle, the time in 1/10 cycle stops filling, the time discharge in 1/10 cycle, this charging modes efficient is higher, and the charging interval can shorten more than 1/5, can be used for quick charge in particular cases, with R8 and C3 and connect, make discharging current spike occur, help eliminating the various polarization that produce by charging, can improve charging effect.

3, charging and maintenance circuitry

Used LZ110 (IC3) chip of this circuit is that the charger application-specific integrated circuit (ASIC) has fast pulse charger and back pulse discharging function, and the depolarising pattern is adopted in discharge.After connecting civil power, charging circuit normally carries out by quick charge, meanwhile, transformer T1 inferior-defective pole tension is made the work power supply through the direct current of D10～D13 full-wave rectification for LZ110, the right side of control voltage device T2 is elementary, the left side is time utmost point, the inferior utmost point has 2 leading point a, c is connected to the SCR4 silicon controlled control utmost point and negative electrode respectively, and the control utmost point d point of SCR2 is controlled through resistance-capacitance circuit by 6 pin of LZ110, after the energized, maintenance circuitry power supply indicator LED3 is promptly bright, LZ110 gets electric work, and the 14 pin output high level of LZ110 makes transistor Q5 in the charging sequential, the Q6 conducting, C5 is through R11 and Q5 repid discharge, capacitor C 5 discharges make to emptying memory size, so that prepare for next battery discharge depolarising, because the battery discharge positive and negative charge accumulates in the electric capacity both sides, because the conducting of Q5, the luminous tube LED4 of base stage series connection is bright.

During the sequence circuit output low level of discharge depolarization: LZ110,8 pin no-outputs, the pulse of transformer a, c end triggerless, thyristor SCR4, SCR1 are in cut-off state, suspend charging, meanwhile, the 14 pin output low levels of LZ110, transistor Q5Q6 ends, capacitor C 5 discharge offs are in open-circuit condition, the low level of sequence circuit makes delay circuit 6 pin trigger thyristor through R16C6, and the SCR2 conducting is for battery cell discharge is opened path, storage battery is to discharge to the mode of C5 charging, when electric capacity is filled to voltage when identical with the current voltage of storage battery, stop discharge, SCR2 closes.

Voltage detecting: by potentiometer W3, resistance R 12,16 pin of LZ110 are formed, adjust potentiometer W3 to battery charge final voltage value, work as battery discharge, when capacitor C 5 both end voltage do not arrive this value, 14 pin work on to discharge and reach setting until electric capacity, the detection current potential that 16 pin obtain stipulating, so trigger comparator upset, 17 pin output high potential triggers the SCR3 conducting, pass through R15 this moment, R18,18 pin of LZ110 obtain about 0.7V current potential, trigger the internal circuit pressurizer and close, and pressurizer stops to provide ic power, LZ110 stops work, has realized that battery fills and be full of automatic stop function soon.

Claims (2)

1. lead acid accumulator intelligent comprehensive instrument, mainly constitute by charging circuit, reparation circuit, regulating and controlling circuit and power circuit, it is characterized in that: described charging circuit annexation is: switch (K1) connects (b1) contact, the controllable silicon negative electrode connects pulsed dc voltage (2), anode connects rechargeable battery (4) negative pole, gate pole connects regulating and controlling circuit (3), regulating and controlling circuit (3) connects pulse transformer (16), pulse transformer meets integrated circuit LZ110 (15), LZ110 (15) connects voltage detecting (17) and accessory power supply respectively, and described switch (K1) connects power supply; Described reparation circuit connecting relation is: described switch (K1) connects (a1) contact, switch (K2) connects (d2) contact, voltage regulation filtering (5) connects integrated circuit CD4069 oscillating circuit (9), CD4069 oscillating circuit (9) connects cycle adjustment (13) and integrated circuit CD4017 counting sequence pulse (8) respectively, CD4017 counting sequence pulse (8) connects Q4 switching tube (11), and Q4 switching tube (11) connects repairs battery (10).

2. lead acid accumulator intelligent comprehensive instrument according to claim 1, it is characterized in that: described switch (K2) also can connect (c2) contact, (c2) contact connects Q3 exciter tube (7), and Q3 exciter tube (7) connects Q2 switching tube (6), and Q2 switching tube (6) connects repairs battery (10).