CN2225724Y - Serive life prolonging device for lead accumulator - Google Patents

Abstract

The utility model discloses a service life prolonging device for a lead accumulator which relates to the service life prolonging device which can prolong the service life of the lead accumulator, belonging to the protecting device of the lead accumulator. The circuit of the service life prolonging device is composed of a protective circuit, a phase shifting pulse forming circuit, a square wave forming circuit, a comparing element circuit, a shaping circuit, and a reference voltage source. Under the action of the equalizing pulse charging method, the chemical reaction of a lead electrode plate is prevented; the generating of a sulfation layer is eradicated; an oxide film produced by an existing sulfation reaction is electrolyzed to make the service life prolonging device restore a normalfunction, enhance the coagulating force of the active material of the lead electrode plate, and avoid the generation of self-discharge; the service life of the lead accumulator can be prolonged at least six times.

Description

A kind of lead accumulator life-prolonging device

The utility model relates to a kind of lead accumulator life-prolonging device, is used for the protective device to lead accumulator.

Lead accumulator is one of DC power supply device that is widely used.Quality preferably the useful life of lead accumulator generally be time about 1 year, how to improve be tackling of key scientific and technical problems its useful life always problem.Causing the so short-lived main cause of lead accumulator is the burn into distortion that positive plate produces, coming off of active material, the active material of negative plate in use produces passivation and produces irreversible sulfation, makes polar board surface present fine and close sulfuric acid lead layer and has lost oneself capacity.Cause that the main cause that the positive plate burn into damages is that positive plate is when work, metallic lead generation chemical reaction and oxidized causing, the corrosion of pole plate makes the metal surface oxide-film occur, oxide-film to the metal surface produce pressure hank the grid distortion, swell, because oxide-film is hard and lose with fixed attention because of property, in a single day grid is out of shape oxide-film and just splits, cause active material to come off, cause the too early damage of grid, because active material comes off in storage battery bottom, cause again self-discharge phenomenon aggravation, cause whole storage battery to lose energy prematurely.Irreversible in addition sulfation reaction, be to cause negative electrode grid can not save the main cause of normal electric charge, because the sulfuric acid lead layer that this natural vulcanization reaction presents makes the grid surface become harder, the hole change of active material is fallen at the end gradually, cause the real surface of active material to reduce, save energy of a charge and descend, cause and to continue to use.

The technology of Patent Office of the People's Republic of China's disclosed ZL93247840.9 lead accumulator desulfurizing device is though haveing breakthrough aspect the useful life of improving lead accumulator, exist many weak points: the adjustable resistance that adopts in the line design (R among the figure ₄, R ₁₀) and the relay HT of automatic switch ₁, its failure rate is very high, and complete machine is crossed thermal element more (as controllable silicon etc.), and superheating phenomenon has a strong impact on the useful life of this machine sometimes up to 80 ℃, and this is fatal weakness.Aspect sulphur removal, employing be single pulse charge method, effect is not good enough, the scope of application is little, only limits to use in the start type lead accumulator that automobile uses.

In view of the deficiency of above-mentioned technology, the purpose of this utility model provides a kind of applied range, long service life, and failure rate is low, a kind of lead accumulator life-prolonging device that efficient is high.

The purpose of this utility model can realize by following technical proposals: it forms circuit, shaping circuit, comparison circuit, protective circuit, square wave by reference voltage source, phase-shift pulse and forms circuit and constitute, and it is characterized in that protective circuit is by diode D ₄, voltage stabilizing element WD ₃With indicator light Fo ₁, Fo ₂Form D ₄Negative pole connect the battery feed negative pole, its positive pole passes through resistance R ₁₁, R ₁₀Connect phase-shift pulse and form circuit; Square wave forms circuit by capacitor C ₁, diode D ₁And resistance R ₇Form C ₁One be terminated at impulse circuit and connect D ₁Through R ₇Be connected to battery positive voltage, the other end is connected to battery terminal negative; Phase-shift pulse forms circuit by resistance R ₁, R ₂, R ₃, R ₄, R ₅With voltage stabilizing element WD ₁Form R with triode GA, GB ₁Connect battery positive voltage, WD ₁Positive pole connects battery terminal negative, and the GA emitter forms circuit with square wave and connects GB emitter and shaping circuit UNICOM; Shaping circuit is by resistance R ₉, R ₁₀, R ₁₁With diode D ₅, diode GC, GD form, the base stage of GC is connected to phase-shift pulse and forms circuit, the GD emitter is connected to reference voltage source, D ₅Be connected in the comparing element circuit; The comparing element circuit is by resistance R ₁₂, R ₁₃, R ₁₄Form R with triode GE ₁₄An end be connected the collector electrode of GE and R with battery positive voltage ₁₂One is terminated at shaping circuit; Reference voltage source is by diode D ₂, D ₃And capacitor C ₂, C ₃Voltage stabilizing element WD ₂And inductance L ₆Form D ₂, C ₂Positive pole connects battery positive voltage, WD ₂Positive pole connects battery terminal negative.This life-prolonging device shell adopts engineering plastics to manufacture, and exposes power supply (output) line, connects on the storage battery positive and negative electrode line.

Technical conceive of the present utility model is by constantly applying under the effect of one 1/3 rectangular wave electric pulse that frequency is 100Hz ± 5 to Plante-type plate, stop the chemical reaction of metallic lead, the generation of eradicating the sulfation layer, the distortion of prevention grid keeps active material not come off.Because what use is three-in-one equalizing pulse mise-a-la-masse method, also stoped acids in the electrolyte and other organic substances to the erosion of Plante-type plate, prevented rotting of pole plate.Simultaneously, under the effect of rectangular wave electric pulse, make the sulfation layer that produced produce resonance, make it loose and come off.And, under the electric pulse effect, make the active material deposition.Strengthened coagulability, can avoid the loose of active material and come off, avoided the generation of internal storage battery self discharge thus, from the raising that forms several times useful life.

Its job step is to produce an impulse waveform by phase-shift pulse circuit, the whole suitable work wave that requires of a frequency amplitude that reveals of classical prescription waveshaping circuit, this work wave is compared with reference voltage source through comparing element and is produced a new waveform, passes through resistance R then ₁₄Output.This signal is added on the storage battery with supply voltage simultaneously, and produce the generation that stops sulfation layer (oxide-film) this moment, or the function of the Plante-type plate of existing sulfation layer being carried out electrolysis.Through the oxide-film particle of electrolysis occur loose, decompose, until coming off, make Plante-type plate recover normal function.Because the utility model has utilized the characteristics of material natural frequency, imported a frequency (electron stream) that makes it produce resonance, force the sulfation layer particle on the Plante-type plate grid to produce resonance, pulverize under the effect of electric pulse, when coming off, the active material of Plante-type plate grid produces deposition under the electrolysis of pulse current, strengthened coagulability, and under this effect, make electrolyte obtain filtering, pure and fresh as pure water.So the function of comparing element circuit is also with the saving energy of a charge and be lower than rated capacity of Plante-type plate grid the time (after comprising sulphur removal), insufficient section is given to replenish automatically, make storage battery be in high performance state all the time, institute must carry out regularly and the repeatedly charging of irregular complementarity thereby exempted in the past in use.

The utility model compared with prior art owing to become adjustable resistance into fixed resistance value resistance, removes relay, makes failure rate reduce by 98%; Improved line design, removed all thermal elements of crossing, the working temperature of complete machine is equated with air themperature; Former resistance R ₆Change inductance into, increased the power of reference voltage source; Increased capacitor C ₃, reference voltage source voltage is improved Doubly, make whole device working stability.Infer that in theory the accumulator plate sulphur removal has three kinds of methods, that is: equalizing charge method, pulse charging method, frequency mise-a-la-masse method, the utility model integrates above-mentioned three, is referred to as the equalizing pulse mise-a-la-masse method, thereby has reached the effect of resistance sulphur and sulphur removal up hill and dale; Set up and connect anti-and anti-overcharge protection circuit and the indication of debating other storage battery energy power, function increases, effective; Become the three-way two wires that is, wiring understands, convenient, with positive and negative two polar curves of storage battery continue by the way just can, not limited by occasion.Suitable application area is extensive, and every storage battery of being made up of Plante-type plate all can use, and is not subjected to the restriction of voltage, capacity.Reach useful life more than five times through facts have proved that this life-prolonging device can improve the lead accumulator of new clothes; The out of use storage battery for producing the sulfation layer, just can come into operation once again afterwards in 6～8 hours through sending electricity with the utility model technology, accumulative total is sent after electricity reached 40 hours, this function of holding the pond can return to rated capacity more than 90%, use once again can reach more than 3～4 years, this shows that the utility model economic worth and social benefit are appreciable.

Fig. 1 is a frame principle figure of the present utility model.

Fig. 2 is a circuit diagram of the present utility model.

Fig. 3 is a surface structure example 1 of the present utility model.

Fig. 4 is the vertical view of Fig. 3.

Fig. 5 is a surface structure example 2 of the present utility model.

Fig. 6 is the vertical view of Fig. 5.

1--indicator light 2--connecting line, 3--label, 4--housing, 5--closing cap, 6--wiring board, 7--magnetic chuck.

Fig. 3 is that 6V, 12V, 24V, 36V reach the surface structure form to the 110V lead accumulator for the utility model technology at voltage.

Fig. 5 is used in the surface structure form that voltage is the small-sized lead accumulator of 6V for the utility model technology.Specifically retouch art embodiment of the present utility model below in conjunction with accompanying drawing:

By protective circuit shown in the accompanying drawing by model 2CP ₁₄Diode D ₄With model be the voltage-stabiliser tube WD of 2CW130 ₃And luminous tube Fo ₁Fo ₂Form.D ₄Negative pole is connected to battery terminal negative, the anodal R that connects ₁₁WD ₃Positive pole and R ₁₄One end is connected in battery positive voltage altogether, negative pole and R ₁₂, R ₁₃Connect.Luminous tube Fo ₁Positive pole is connected to D ₁Positive pole, negative pole passes through R ₈Be connected to battery terminal negative.

It is the triode GA of 3CG15C and triode GB and the resistance R that model is 3DG6C by model that phase-shift pulse forms circuit ₁, R ₂, R ₃, R ₄, R ₅And model is the voltage-stabiliser tube WD of 2CW75 ₁Form.R ₁Connect battery positive voltage, WD ₁Positive pole connects battery terminal negative, GA emitter and C ₁, D ₁Negative pole communicates, and the GB emitter has with the base stage of GC and is connected;

Square wave forms circuit by electric capacity 0.56 μ fC ₁With model be 2CP ₁₄Diode D ₁And resistance R ₇Form.C ₁One end and GA emitter and D ₁Negative pole be connected, pass through R ₇Be connected with the GD emitter, the other end is connected with battery terminal negative;

Shaping circuit is the triode GC of 3DG8C and triode GD and the resistance R that model is 3A25C by model ₉, R ₁₀, R ₁₁With model be 2CP ₁₄Diode D ₅Form.The base stage of GC is connected with the emitter of GB, the emitter of GD and WD ₂Negative pole connect D ₃Negative pole and R ₁₂An end and the emitter of GE connect;

The comparing element circuit is triode GE and the resistance R of 3A25C by model ₁₂, R ₁₃, R ₁₄Form.R ₁₄An end and WD ₃Positive pole be connected to battery positive voltage, the GE base stage is passed through R ₁₃With WD ₃Negative pole and R ₁₂Link to each other;

Reference voltage source is 2CP by model ₁₄Diode D ₂, D ₃With 100 μ f capacitor C ₂, C ₃And model is 2CW ₁₄Voltage-stabiliser tube WD ₂And the 50mH inductance is formed.D ₂, D ₃Series connection, its positive pole is connected to battery positive voltage, C ₂, C ₃Series connection, its positive pole is connected to battery positive voltage, D ₂, C ₃The negative pole phase also meets WD ₂Negative pole passes through L ₆With D ₂, C ₃Negative pole joins, and positive pole connects battery terminal negative.

This lead holds and reaches more than 5 years the useful life that the pond life-prolonging device can make lead hold the pond, the battery life that goes than the limit long 4 times to more than 5 times.

Claims (1)

1, a kind of lead accumulator life-prolonging device comprises that reference voltage source, phase-shift pulse form circuit, shaping circuit, comparison circuit, it is characterized in that also having by diode D in the circuit structure of this life-prolonging device ₄, voltage stabilizing element WD ₃, show lamp Fo ₁, Fo ₂The protective circuit of being formed, D ₄Negative pole connect the battery feed negative pole, its positive pole passes through resistance R ₁₁, R ₁₀Connect pulse shaping circuit; Also have by capacitor C ₁, diode D ₁, resistance ₇Form square wave and form circuit, C ₁A termination impulse circuit and connect D ₁Through R ₇Connect battery positive voltage, another termination and battery terminal negative; Phase-shift pulse forms circuit by resistance R ₁, R ₂, R ₃, R ₄, R ₅And voltage stabilizing element WD ₁Form R with triode GA, GB ₁Connect battery positive voltage, WD ₁Positive pole connect battery terminal negative, GA emitter and square wave form circuit and connect GB emitter and shaping circuit UNICOM; Shaping circuit is by resistance R ₉, R ₁₀, R ₁₁With diode D ₅, triode GC, GD form, the base stage of GC connects phase-shift pulse and forms circuit, the GD emitter connects reference voltage source, D ₃Be connected in the comparing element circuit; The comparing element circuit is by resistance R ₁₂, R ₁₃, R ₁₄Form R with triode GE ₁₄An end be connected the collector electrode of GE and R with battery positive voltage ₁₂One is terminated at the shaping electricity puts in order; Reference voltage source is by diode D ₂, D ₃And capacitor C ₂, C ₃, voltage stabilizing element WD ₂And inductance L ₆Form D ₂, C ₂Positive pole connects battery positive voltage, WD ₂Positive pole connects battery terminal negative.

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