CN200953479Y - Energy-saving adaptive constant current charging machine - Google Patents

Abstract

The utility model relates to an energy-saving self-adapting constant current charging unit for recharging accumulators, which comprises a shell and a circuit. The circuit comprises a capacitor with the feature of voltage reduction and constant current and bridge rectification component, rather than transformer and controllable silicon. The utility model is not only an energy-saving self-adapting constant current charging unit, but also a grid reactive compensation device. The utility model transmits reactive current formed by capacitor in the electric grid to the accumulator for recharging, so the consumed electric energy is little. The charging unit can automatically adapt to the voltage change of load (accumulator). When the voltage of accumulator is changing with the scope of 2 to 160V, namely that the number of accumulators in serial connection with the charging unit is changing within a large scope, the charging unit is also able to recharge accumulators with the constant current. The promotion of the utility model can enhance grid power coefficient, improve power supply quality, and lower voltage loss; the promotion of the utility model is also of great significance for realizing the binding index of lowering the GDP energy consumption by 20 per cent put forward in the program of the Eleventh Five-year Plan.

Description

The power conserving adaptive constant current charger

Technical field: the utility model relates to charger, particularly a kind of power conserving adaptive constant current charger of suitable charge in batteries.

Background technology: traditional charger has two kinds, and a kind of is that another kind is to use the controllable silicon step-down rectifier with the rectification of rectifier transformer buck diode.Charger with the rectification of transformer buck diode, transformer is an inductive load on the one hand, to consume electric network reactive-load when consuming electric network active, and electromagnetic conversion and transformer heating etc. have certain active loss, this on the other hand charger is bigger in charging initial stage charging current, charging charging current in latter stage is zero substantially, and charging current changes from big to small in the whole charging process, and charging effect does not have constant current charge good.Say that again the requirement in the time of will considering to satisfy maximum current during the configuration rectifier diode will be disposed bigger rectifier cell.With the charger of controllable silicon step-down rectifier, energy consumption is bigger, to operative employee's requirement height, does not note slightly damaging charger.Chinese patent has been announced a lot of condenser type constant current chargers, outside having nothing in common with each other on the structure, does not all have from energy-saving principle and the effect of setting forth it in fact, and people also do not accept, and promotes being subjected to certain restriction.

Summary of the invention: the purpose of this utility model is to provide a kind of power conserving adaptive constant current charger, when this function is charged with constant current accumulators group, can improve power factor of electric network, improve power supply quality, reduce the loss of voltage, improve transmitting capacity of the electric wire netting, also can bring very big material benefit to the user simultaneously.As everybody knows, the single-phase electric energy meter that every household is installed is an active electric energy meter, and the active energy that active electric energy meter can only examine the user to consume that is to say, when meritorious electric energy meter passed through reactive current, electric energy meter did not change substantially.After capacitor drops into electrical network, under the effect of line voltage, carry the reactive power compensation electric current to electrical network, the utility model is isolated electrical network and single-phase rectifier full-bridge with capacitor, electric current by the single-phase rectifier full-bridge is exactly the reactive power compensation electric current that electric capacity provides, this electric current is through over commutation, on the accumulator anode and cathode that inserts, set up electric field, impel electric charge to move, finish charging process.

In fact, this machine in use is not to consume active energy not at all.Except that contactor coil, indicator light etc. will consume the active energy, after reactive power changed, power triangle changed.The active energy component also can make active electric energy meter rotate, only, under the same load electric current, the rotation of electric energy meter will be slowly many.

Formation of the present utility model: by shell 3, charging voltage table 2, charging indicator light 1, power supply indicator 7, charging current table 8, control insurance 5, rubber mat 6, start button 4, stop button 9, current regulating switch 10, exchange input insurance 12, exchange lead-in clamp 11, direct current export insurance 13, direct-flow positive pole output wiring terminal 15, direct current negative pole output wiring terminal 14 etc. and form.A.C. contactor, the time relay, capacitor, single-phase rectifier full-bridge, shunt, discharge resistance are housed in the shell 3.It is characterized in that, by the connection and the disjunction of start button 4 and stop button 9 control A.C. contactors; Charging indicator light 1 links to each other with the normally-open normally-close auxiliary contact of A.C. contactor respectively with power supply indicator 7; The charging voltage table is connected in parallel on dc output end; The charging current table is connected on the DC leadout road; The charging interval of time relay control charger; Exchanging input insurance 12 is connected on the incoming line; Direct current export insurance 13 is connected on the DC leadout road; Capacitor divides four groups, and between first group of direct incoming transport contactor and the single-phase rectifier full-bridge, other three pool-sizes do not wait, respectively by three hand switches and first group of electric capacity parallel connection; Discharge resistance is connected to the two poles of the earth of capacitor by the normally-closed contact of A.C. contactor; Exchange lead-in clamp 11 and link to each other with AC power by lead, the both positive and negative polarity 15,14 of direct current output wiring terminal links to each other with the both positive and negative polarity of storage battery respectively.

Characteristics of the present utility model: 1, energy-efficient.This energy-conservation adaptive constant-flow charger is without transformer, without controllable silicon, and no-harmonic wave pollution, the work of step-down current stabilization electric capacity is not generated heat, and the active energy of consumption is few.2, the utility model is a power conserving adaptive constant current charger, is again an electric network reactive compensation device, when using the utility model to charge in batteries, can also improve power factor of electric network, improve power supply quality, reduce the loss of voltage, improve electrical network transmission of electric energy power.3, this energy-conservation adaptive constant-flow charger in charging process all the time, charging current is invariable, can guarantee that the storage battery abundance is full of.4, this energy-conservation adaptive constant-flow charger is not afraid of short circuit, and direct current is exported both positive and negative polarity with the direct short circuit of lead, and charger can be switched on to starting in the same old way and can not damaged.5, this charging function adapts to the change in voltage of storage battery automatically, when by the list that filled every the storage battery number at 1～80, when promptly battery tension changes, can directly start the charger charging within 2～160V.6, forget the harm of shutdown to storage battery for after avoiding starting charger, be provided with the time relay in the circuit, autostop about 10 hours generally charges.7, the adjustment of output DC stream obtains the capacitance of various combination by adjusting the capacitor that four pool-sizes do not wait, and satisfies the needs of different capabilities charge in batteries.

Description of drawings: Fig. 1 is a front view of the present utility model, and Fig. 2 is the end view of Fig. 1, and Fig. 3 is the rearview of Fig. 1. among the figure 1, charging indicator light, 2, charging voltage table, 3, the charger shell, 4, start button, 5, control insurance, 6, rubber mat, 7, power supply indicator, 8, charging current table, 9, stop button, 10, current regulating switch, 11, AC power lead-in clamp, 12, exchange the input insurance, 13, the direct current export insurance, 14, direct current output negative pole binding post.15, direct current output cathode binding post.

Embodiment: as Fig. 1, Fig. 2, shown in Figure 3, shell 3 left and right sides dash the blinds fenestra that has for heat transmission, below four jiaos rubber mat 6 is housed, interior dress A.C. contactor, the time relay, capacitor, single-phase rectifier full-bridge, shunt, discharge resistance.The connection and the disjunction of start button 4 and stop button 9 control A.C. contactors; Charging indicator light 1 links to each other with the normally-open normally-close auxiliary contact of A.C. contactor respectively with power supply indicator 7; The charging voltage table is connected in parallel on dc output end; The charging current table is connected on the DC leadout road; The charging interval of time relay control charger; Exchanging input insurance 12 is connected on the incoming line; Direct current export insurance 13 is connected on the DC leadout road; Capacitor divides four groups, and between first group of direct incoming transport contactor and the single-phase rectifier full-bridge, other three pool-sizes do not wait, respectively by three hand switches and first group of electric capacity parallel connection; Discharge resistance is connected to the two poles of the earth of capacitor by the normally-closed contact of A.C. contactor; Exchange lead-in clamp 11 and link to each other with AC power by lead, the both positive and negative polarity 15,14 of direct current output wiring terminal links to each other with the both positive and negative polarity of storage battery respectively.

Claims (1)

1. power conserving adaptive constant current charger, by shell (3), charging voltage table (2), charging indicator light (1), power supply indicator (7), charging current table (8), control insurance (5), rubber mat (6), start button (4), stop button (9), current regulating switch (10), exchange input insurance (12), exchange lead-in clamp (11), direct current export insurance (13), direct-flow positive pole output wiring terminal (15), direct current negative pole output wiring terminal compositions such as (14), shell is equipped with A.C. contactor in (3), the time relay, capacitor, the single-phase rectifier full-bridge, shunt, discharge resistance, it is characterized in that, by the connection and the disjunction of start button 4 and stop button (9) control A.C. contactor; Charging indicator light 1 links to each other with the normally-open normally-close auxiliary contact of A.C. contactor respectively with power supply indicator (7); The charging voltage table is connected in parallel on dc output end; The charging current table is connected on the DC leadout road; The charging interval of time relay control charger; Exchanging input insurance (12) is connected on the incoming line; Direct current export insurance (13) is connected on the DC leadout road; Capacitor divides four groups, and between first group of direct incoming transport contactor and the single-phase rectifier full-bridge, other three pool-sizes do not wait, respectively by three hand switches and first group of electric capacity parallel connection; Discharge resistance is connected to the two poles of the earth of capacitor by the normally-closed contact of A.C. contactor; Exchange lead-in clamp (11) and link to each other with AC power by lead, the both positive and negative polarity of direct current output wiring terminal (15), (14) link to each other with the both positive and negative polarity of storage battery respectively.

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