CN204886374U - Parallelly connected type battery charging outfit of timing formula - Google Patents

Abstract

Parallelly connected type battery charging outfit of timing formula, belong to the electronic technology, the monitor is composed of a rectification unit, display element charges, the interface unit, battery charging unit, battery charging unit's output, pulse counter, the pulsed oscillation unit, the discharge cell, finish the timer, finish the oscillating unit, finish execution unit, load unit constitutes, behind the turn on power supply, pulse counter and the work of pulsed oscillation unit, its output constantly makes the interface unit take place the height change, control battery charging unit and discharge cell are in opening and ending, form and charge not only but also discharge, and charge time is greater than discharge time's pulse current charge process, this measure is adopted and is regularly finished, so after the vibration that finishes the oscillating unit makes end timer count target in place, it starts immediately to finish execution unit, stop pulse counter and fill, the discharge cell, trickle resistance among the battery charging unit is to being provided the trickle by the rechargable battery at this moment. Back each unit science of linking to each other is implemented in this measure to the comprehensive utilization has been accomplished, the production of very suitable micro enterprises.

Description

Timing parallel connection type charging device

Technical field

Belong to electronic technology technical field.

Background technology

This enterprise is applying for security personnel's product line for the previous period, and this product must reserce cell, otherwise when without civil power, protection function will become a kind of illusory, and time without civil power, when may be again exactly the peak that security personnel's accident occurs.So reserce cell is required.And the performance of reserce cell is directly connected to overall performance.

But reserce cell is necessarily to its charge maintenance, to the scientific maintenance of reserce cell, be directly connected to the life-span of reserce cell, with capacity.Have data to think, battery is not usually damaged, but charge improper and damage.Battery in security personnel's equipment, belongs to reserve battery, has particular/special requirement to volume capacity, is equipped with and makes excessive demands in common product.

Because above-mentioned reason, for ensureing the performance of security personnel's product that this enterprise applies for, the live part of this enterprise can not adopt the common charging method to battery and common charging circuit.

The charging method of its routine adopts single DC charging method, and such method all can make electrolyte continue to produce hydrogen or oxygen gas, and its oxygen, under internal high pressure effect, infiltrates into negative pole and the effect of cadmium plate generates CDO, causes pole plate available capacity to decline.If employing pulse current charge, and employing is filled and puts and the method for depositing, and namely fills certain hour, as 5 seconds, just puts certain hour as 1 second.Major part is reduced into electrolyte by the oxygen that such charging process produces under discharge pulse, gassing rate can be made greatly to reduce, reducing gassing rate can make concentration polarization and ohmic polarization naturally be eliminated, thus alleviate the interior pressure of lead acid accumulator, the pulse current charge of next stage is more successfully carried out, thus makes lead acid accumulator can absorb more electricity.Intermittent pulse makes lead acid accumulator have more sufficient chemical time, thus decreases the gassing rate of lead acid accumulator in charging process, and the charging current that improve lead acid accumulator can ability to accept.Pulse charging method charging certain hour, as 5 seconds, stopping certain hour as discharged for 1 second, so circulating.The oxygen that this charging method can make lead acid accumulator produce in charging process and hydrogen are under stopping charging pulse, the oxygen that major part is separated out and hydrogen have been reduced into again electrolyte, this not only reduces lead acid accumulator internal electrical chemical side reactions in charging process---the gassing rate that the electrolysis of water produces, and cause the lead acid accumulator of inefficacy to also have repair to seriously polarizing, after using this charging method to the certain number of times of lead acid accumulator discharge and recharge lost efficacy, the capacity recovery gradually of lead acid accumulator can be made.Not only according to data introduction by but also the charging method of the two electric discharge of charging, or charging stops the way of filling, not only helpful to lead accumulator, and also helps positively some alkaline cells.

Along with enriching of the modern life, get more and more by the kind of the electrical equipment of battery, except security personnel's equipment that this enterprise is studied, also have a lot of product, as digital machine machine, mobile phone, etc., the requirement of its charger, also the place of similar enterprise requirements is had, so the research to charger, not only involve the quality of charger itself, also involve by the problem of rechargable battery two aspects.Because an a little good charging measure has positive meaning.

Summary of the invention

For overcoming existing charge prepd, there is charge function, but the weakness to environmental protection deficiency, and object one of the present invention is, develops a kind of charging circuit and is not easy to damage.Two is the maximized chargers of charging rechargeable battery being realized to science, thus maximized prolongation charger with by the life-span of rechargable battery and capacity, realize society environmental protection.

The technical measures adopted are:

1, timing parallel connection type charging device is by rectification unit, charging display unit, interface unit, charhing unit, the output of charhing unit, pulse counter, impulse hunting unit, discharge cell, stop timing device, terminates oscillating unit, and terminate performance element, load unit forms jointly.

Wherein: rectification unit is made up of rectifier transformer, bridge rectifier, filter capacitor.

The secondary two ends of rectifier transformer connects two inputs of bridge rectifier respectively, and namely the output of bridge rectifier be that rectification exports, and connects filter capacitor to ground wire.

Charging display unit by charge instruction protective resistance and charging process indicator light form: charge indicate protective resistance and charging process indicator light be connected on signal input and in interface unit interface triode collector electrode between.

Interface unit is by interface triode, the trigger resistance of interface triode, pulse current charge performs diode, pulsed discharge clamp diode forms: the grounded emitter line of interface triode, the trigger resistance of interface triode is connected between an output of pulse counter and the base stage of interface triode, the positive pole of pulse current charge execution diode connects the base stage of two charging valves in charhing unit, pulse current charge performs the collector electrode of the negative pole connection interface triode of diode, the positive pole of pulsed discharge clamp diode connects the base stage of two discharge tubes in electric discharge base resistance to discharge cell, the collector electrode of the negative pole connection interface triode of pulsed discharge clamp diode.

Charhing unit is made up of charging valve one, charging valve two, charging trigger resistance, trickle resistance: the collector electrode of charging valve one and the collector electrode of charging valve two are all connected to rectification and export, the base stage of charging valve one and the base stage of charging valve two link together, connect charging trigger resistance to export to rectification, the emitter of charging valve one and the emitter of charging valve two are connected together and become the output of charhing unit, one termination rectification of trickle resistance exports, the output of another termination charhing unit of trickle resistance.

Discharge cell is by discharge tube one, discharge tube two, bias current diode, biasing resistance, excision switch, excision diode, electric discharge base resistance composition: discharge tube one is all connected on the positive pole by rechargable battery with the emitter of discharge tube two, the collector electrode of discharge tube one and the collector electrode of discharge tube two are connected together, connect the positive pole of bias current diode, the negative pole of bias current diode connects biasing resistance to ground wire, discharge tube one is connected with the base stage of discharge tube two, connect one end of electric discharge base resistance, another termination pulsed discharge clamp diode of electric discharge base resistance is to the collector electrode of interface triode, the output of one termination charhing unit of excision switch, another termination excision diode is to the base stage of two discharge tubes.

Impulse hunting unit is made up of oscillating circuit, frequency regulating circuit, duty cycle circuit.

Oscillating circuit by the vibration one of pulse counter inside, vibration two with counting oscillating capacitance, count oscillating capacitance series resistance and form; Frequency regulating circuit is in series by frequency limit resistance and frequency-adjustable resistance, and duty cycle circuit is formed by steering diode and duty ratio resistant series.

The output of the vibration one of pulse counter inside connects the input of the vibration two of pulse counter inside, frequency regulating circuit is in parallel with duty cycle circuit, the output of the vibration one of one termination pulse counter inside, the other end of another termination counting oscillating capacitance, one termination of counting oscillating capacitance is vibrated the output of two, and the other end of counting oscillating capacitance also connects the input of counting oscillating capacitance series resistance to the vibration one of pulse counter inside.

Stop timing device is made up of counter, and its pulse output end is connected to end oscillating unit, and its output has two-way to export, and the first via is connected to and terminates the base stage that performance element terminates to perform triode, and the second road series diode is connected to end oscillating unit.

Terminate oscillating unit to be made up of protective resistance, oscillation resistance, end oscillating capacitance; Oscillation resistance is in series with vibration limiting resistance by the adjustable resistance that vibrates.

Oscillation resistance is connected between the second vibration end of stop timing device and vibrational control point; protective resistance is connected between the 3rd vibration end of stop timing device and vibrational control point; terminate the first vibration end of one end access node bundle timer of oscillating capacitance, terminate another termination vibrational control point of oscillating capacitance.

Terminate performance element to terminate to perform triode, charging terminates to perform diode, terminate the trigger resistance of triode, step-by-step counting terminates to perform diode, timing failure of oscillation performs resistance, timing failure of oscillation performs diode composition: the trigger resistance terminating triode is connected between the final output of stop timing device and the base stage terminating triode, terminate the grounded emitter line of triode, charging terminates to perform diode and is connected between the base stage of two charging valves in charhing unit and the collector electrode terminating triode, step-by-step counting terminates the final output of the positive pole access node bundle timer performing diode, step-by-step counting terminates to perform the clear terminal that the negative pole of diode connects pulse counter, stopping at fixed time vibration execution resistance and timing failure of oscillation perform Diode series to be terminated between the collector electrode of triode and vibrational control point.

Load unit by being contacted display lamp with by rechargable battery by rechargable battery, contacted by rechargable battery and show protective resistance and form: be connected on charhing unit by rechargable battery and export between ground wire; be connected with by rechargable battery positive pole by battery terminal contact display lamp one end, other end series connection is by earth connection after rechargable battery contact display protective resistance.

2, the withstand voltage of filter capacitor is >=50V.

3, the power of discharge resistance is >=1W.

4, terminate oscillating capacitance with counting oscillating capacitance be all with two electrochemical capacitors connect into electrodeless electric capacity form.

5, the clearing termination one of pulse counter resets resistance to ground wire.

Further illustrate:

1, operation principle explanation.

After powered up, charhing unit and discharge cell are to being charged not only by rechargable battery but also discharging and the charging interval is greater than the charging process of discharge time, until charging terminates.

In charging process, because pulse counter and impulse hunting cell operation, its export constantly make the interface triode in interface unit in saturated and cut-off between change, and interface triode to control in charhing unit two triodes in opening and off-state, so the whole course of work is the pulse current charge adopted.

Not only not only in pulse current charge process, the charging physical process of employing is, there is charging but also there is the special form of electric discharge.Also excision can be adopted in addition to drive row excision into, and only adopt pulse to carry out filling the form of the charging stopped, thus add selectivity flexibly.

The charge rule coexisted at charge and discharge is, within a cycle of pulse, when when charhing unit is opened discharge cell close, otherwise when when charhing unit is closed discharge cell open-minded.Due within a cycle of pulse, the time of charging is long, and the time of electric discharge is short, so charging process is in pulse current charge state.Such charging modes is conducive to the scientific maintenance to battery, also has restitution to a certain degree to the battery damaged simultaneously.

When not contacted by rechargable battery, do not worked by rechargable battery contact display lamp.

This measure charging terminates to adopt timing controlled, when timing when time is up, stop timing device outputs high signal, and one is the clear terminal of trigger impulse counter, makes interface transistor collector for high-order.Thus end stops discharge portion charging.Two is that its end transistor collector be connected exports low level signal, cause charhing unit to no longer include output, thus clamper live part is biased, terminates work of being discharged by rechargable battery.Three is export a high position with the output of timer to make end oscillating unit make failure of oscillation, and stop timing device output no longer sending out, becomes a kind of self-locking circuit, can not produce overcharge conditions.Now connected trickle resistance (5.4 in Fig. 2) is to the tiny stream electric current being provided required maintenance by rechargable battery.

2, line feature analysis.

(1), charhing unit.

Two triode parallel connections are had to become by the charging triode of rechargable battery in charhing unit, namely be charging valve one (5.1 in Fig. 2) and charging valve two (5.2 in Fig. 2), the base stage of two pipes, collector electrode, emitter are all connected together, such benefit is the power increasing triode, make it not easily damaged, durable in charging process.

The open and close characteristic of triode is good, and after coordinating with interface circuit, more reliably can open and closedown, if jumbo battery, can select NPN triode, its withstand voltage height, is generally all greater than on 80V, so more reliable.

(2), interface unit.

This unit performs diode (3.3 in Fig. 2) by the trigger resistance (3.2 in Fig. 2) of interface triode (3.1 in Fig. 2), interface triode, pulse current charge, pulsed discharge clamp diode (3.6 in Fig. 2) forms.Interface triode mainly contains five functional.

One is that the direct current of charging is become pulse current charge stream.Its reason is under the excitation of pulse counter (6 in Fig. 2), through the transmission of this triode, makes the base stage of charhing unit produce the pulse change of height.(when interface transistor collector is high-order, charhing unit is forward bias, is the state of energising, otherwise when interface transistor collector is low level, charhing unit is without biased, is off state) thus make the output of this unit produce the change of height shape.Thus charging current is pulse current.

Two offset passages being to provide discharge cell, produce in the one-period of pulse, have the function of electric discharge.When this pipe is low level, in discharge cell, the base current of two triodes enters ground by the collector electrode of interface triode, and thus making the triode in discharge cell open becomes discharge condition.

Three, charhing unit and discharge cell is made to produce correct logic.Requirement of the present invention is, within a cycle of pulse, when charhing unit be in open charged state time, discharge cell is in shutdown state.Otherwise when charhing unit is in open circuit closed condition, discharge cell should be in and open discharge condition.And interface transistor collector is when being high-order, the triode of charhing unit is in be penetrated with state, charging.And discharge cell two triode is without biased, be in closed condition.Otherwise when interface transistor collector is low level, penetrating of charhing unit is shorted with base flow, for closing shape, and two triode base flows of discharge cell enter ground, so conducting through interface triode.

Four is the control valves becoming discharge cell termination.When stop timing device (8 in Fig. 2) then after, the terminal of stop timing device exports high pressure, thus the clear terminal of trigger impulse counter (6 in Fig. 2), pulse counter is reset, no longer include output, make the logic of interface triode (3.1 in Fig. 2) will produce current collection very high signal, thus discharge cell is off state.

Five is excitation charging process display luminous tube (2.2 in Fig. 2) flashes of light.When this pipe collector is low level, electric current flows to interface transistor collector from power supply, and charging process display luminous tube is bright.Otherwise do not work.At the end of charging, interface transistor collector is high-order, and charging process display luminous tube is not luminous.

(3), pulse counter and impulse hunting unit.

A, its Main Function are: the feature of pulse counter and impulse hunting unit is not only a clapp oscillator, not only can adjust frequency in the line, and can adjust duty ratio.

Pulse counter and impulse hunting unit have act in the present invention at 3, and one is control charhing unit by interface triode (3.1 in Fig. 2), and makes the form of DC charging become the form of pulse current charge.Two is by interface triode controlled discharge unit, and makes in charging overall process, realizes charging limit, limit electric discharge complex form.Three is the adjustments realizing duty ratio.Make the overall process of charging, realizing and the recombination process of charge and discharge, remain best ratio state.

B, principle form, and feature.

Impulse hunting unit is made up of oscillating circuit, frequency regulating circuit, duty cycle circuit.

The vibration one (in Fig. 2 6.1) of oscillating circuit by pulse counter inside, the vibration two (6.2 in Fig. 2) of pulse counter inside, with counting oscillating capacitance (6.3 in Fig. 2), count oscillating capacitance series resistance (6.8 in Fig. 2) and form, frequency regulating circuit is made up of frequency limit resistance (6.4 in Fig. 2) series connection frequency-adjustable resistance (6.5 in Fig. 2), and duty cycle circuit is made up of steering diode (6.6 in Fig. 2) series connection duty ratio resistance (6.7 in Fig. 2).Wherein two of pulse counter inside wherein first be vibration (6.1 in Fig. 2 of pulse counter inside, namely this input is pulse counter the 11st pin), second be the vibration two (6.2 in Fig. 2, namely this output is pulse counter the 9th pin of in connection count oscillating capacitance Fig. 2 6.3) of pulse counter inside.

Wherein constitute frequency regulating circuit by frequency limit resistance (6.4 in Fig. 2) series connection frequency-adjustable resistance (6.5 in Fig. 2) and can frequency-adjustable be realized.The principle that oscillating circuit forms vibration is, vibration two when pulse counter inside exports as time high-order, by counting oscillating capacitance, discharge and recharge branch road, and discharge paths is to the output of the vibration one of pulse counter inside, be split into the charged state to counting oscillating capacitance, the central point now connected, namely being counting oscillating capacitance and the tie point counting oscillating capacitance series resistance, is a high position.Cause the input of the vibration one of pulse counter inside for high-order, until the end of vibration front half period.After the isolation effect of counting oscillating capacitance makes central point voltage lower than the threshold voltage of door (namely after threshold voltage), the output of the vibration one of pulse counter inside becomes height from low filling, and the output output current of the at this moment vibration one of pulse counter inside carries out reciprocal discharge process by the parallel circuits of discharge and recharge branch road and discharge paths to counting oscillating capacitance.Be now the later half cycle of vibration, until the end in later half cycle, after the magnitude of voltage of central point is higher than threshold values, repeat again the process of one-period.Carry out later vibration.

The present invention adopts the reason one of this oscillating circuit to be that vibration is reliable, and two elements used are few, and three is to set up frequency-adjustable, holds than adjustable with accounting for.

The composition of C, frequency regulating circuit and principle.

In this unit, frequency-adjustable resistance and frequency limit resistance be composed in series frequency regulating circuit, this circuit is also a discharge and recharge branch road.

Vibration two gate output terminal when pulse counter inside is high-order, and vibration one gate output terminal of pulse counter inside is when being low level, the electric current of the vibration two gate output terminal output of pulse counter inside flows into vibration one gate output terminal of pulse counter inside through counting oscillating capacitance and frequency regulating circuit and duty cycle circuit, in this charging process, two resistance values of frequency regulating circuit are far longer than the resistance of duty cycle circuit, but there is steering diode in duty circuit, now be in reverse bias, so now charging current is passed through from frequency regulating circuit completely, so this circuit can carry out coarse adjustment to frequency.Its rule is that the adjustable resistance of this circuit is less, then the charging counting oscillating capacitance can more early put in place, and thus then frequency is faster, otherwise slower.Its frequency limit resistance has carried out certain restriction to the minimum value of frequency-adjustable resistance.

The composition of D, duty cycle circuit and principle.

Duty cycle circuit is made up of steering diode series connection duty ratio resistance.

The meaning of duty ratio be pulse in one-period, realize adjusting the allocation proportion of high bit time and low bit time.

Its principle is:

Vibration two gate output terminal when pulse counter inside is high-order, and vibration one gate output terminal of pulse counter inside is when being low level, the electric current that vibration two gate output terminal of pulse counter inside exports arrive the output of the vibration one of pulse counter inside again through the input of the vibration one of counting oscillating capacitance and frequency regulating circuit, pulse counter inside, formation charge circuit.After charging terminates, the vibration one of pulse counter inside is low level, the vibration two of pulse counter inside is high-order, so counting oscillating capacitance carries out reciprocal discharge process, that frequency adjusts branch road and duty cycle circuit through passage, two resistance values due to frequency regulating circuit are far longer than the resistance of duty cycle circuit, so discharging current mainly passes through from discharge paths.So this is a reason in this circuit realiration duty ratio, another major reason is, the process of electric discharge, after the transmission of a series of, finally implements interface triode (3.1 in Fig. 2) current collection very high, so discharge time is shorter, in the one-period of pulse, charging time long, electric discharge time product between short, meet general requirement, so this is that discharge paths resistance is little, be also main cause duty ratio being built up in discharge paths simultaneously.

Because generating unit has frequency-adjustable and duty ratio, so relative maximum scientific to being realized by the charging of rechargable battery.

(4), oscillating unit is terminated.

This unit to vibrate the end oscillating capacitance (8.14 in Fig. 2) that end is connected primarily of stop timing device first, and the second vibration end is connected oscillation resistance, and the protective resistance (8.11 in Fig. 2) that the 3rd vibration end is connected, and jointly forms.

The function of this unit mainly contains three, and one is provide pulse signal to stop timing device (8 in Fig. 2) inside, allows stop timing device normally work.Two is to carry out frequency tune, and its effect is with after the coordinating of stop timing device, and can produce the time adjustment that the charging interval terminates.Thus applicability is widely had to by rechargable battery.

Because stop timing device is identical with pulse counter, according to impulse hunting principle, and wherein oscillation resistance is in series as the whole branch road of a kind of frequency-adjustable by the adjustable resistance that vibrates (8.12 in Fig. 2) and vibration limiting resistance (8.13 in Fig. 2).

If the series value that frequency adjusts two resistance is large, then longer to the time of capacitor charging or electric discharge, then period of oscillation is longer.To form frequency adjustment branch road resistance can become the reason of frequency-adjustable.The reason that the cycle that is to say is adjustable.At frequency-adjustable branch road, vibration limiting resistance is the restriction to vibration adjustable resistance minimum value.

(5), stop timing device, end performance element.

By stop timing device (8 in Fig. 2) and terminate triode (8.21 in Fig. 2) and peripheral element forms the executive circuit of end jointly, timing when time is up, main generation three acts on greatly, one is the clear terminal of the high signal trigger impulse counter (6 in Fig. 2) that the ultimate output of stop timing device exports, make pulse counter output no-output, interface triode (3.1 in Fig. 2) current collection is very high, thus end stops discharge portion charging.Two to be that stop timing device output exports high-order, and it is low for causing terminating transistor collector, thus the base stage of two charging valves in clamper charhing unit, makes the output of charhing unit no longer export a high position, terminates by the charging work of rechargable battery.Three is export a high position with the output of stop timing device to make end oscillating unit failure of oscillation, and stop timing device output no longer sending out, becomes a kind of self-locking circuit, can not produce overcharge conditions.

Stop timing device (8 in Fig. 2) and to terminate the feature one that triode (8.21 in Fig. 2) and peripheral element form the executive circuit of end be jointly that reliable in function, the length of timing has very wide time range.Two is that timing is comparatively accurate, and one of them major reason terminates oscillating capacitance (8.14 in Fig. 2) to have employed electrodeless electric capacity.Three is that peripheral element is few.This part is cheap simultaneously, workable.

(6), discharge cell feature and explanation.

Discharge cell is also an emphasis of the present utility model.

In the overall process of charging, carry out again the function of discharging, namely be in the one-period of pulse, when the vibration in impulse generating unit two (6.2 in Fig. 2) exports as low level, the collector electrode of interface triode (3.1 in Fig. 2) is also low level, when charhing unit is in the halted state of open circuit, discharge cell conducting herein carries out spark to battery.Otherwise within a cycle of pulse, when charhing unit is in conducting state, discharge cell is herein in open circuit closed condition.Forming such logical relation reason is that interface triode assume responsibility for logic function, plays buffer action again to two parts simultaneously.Make it to be independent of each other mutually.By rechargable battery charging overall process in be in the state of filling not only but also putting, when charge and discharge is proper, its benefit be can realize charge maximum scientific.Some electric property even can be allowed to be in battery under very poor state, can recovery to a certain degree.

When interface triode is in a high position, two triodes of discharge cell are without bias current passage, so discharge cell cut-off, when interface triode is in low level, because two discharge tubes in discharge cell are PNP triode, so after base stage has one small area analysis to flow into ground wire, one big current will flow to collector electrode by emitter, is saturation condition, so now passed through the emitter of two discharge tubes to collector electrode by rechargable battery, flow to ground wire from bias current diode and biasing resistance again, show for electric discharge.

The base stage of discharge cell is connected with excision switch over the ground, and after excision switch is closed, discharge cell two triode has had supply voltage, becomes the reverse bias of discharge cell two pipe, so two manage not conducting, does not discharge.Setting up of this switch, adds the flexibility of charging.

(7), rectification unit have employed classical bridge rectifier, adds filter capacitor elimination clutter, makes the waveform of rectification more smooth-out.

Outstanding advantage is had after the invention process:

1, because this measure one is the life-span substantially increasing charger, decrease the scrappage of charger, two is to being achieved science charging by rechargable battery, enhancing maintenance, extend by the life-span of rechargable battery, decrease scrappage.And these two kinds of products, no matter be chargeable battery, or supporting charger, be all the kind that the modern life is generally applied, so the environmental protection of two kinds of products can be strengthened.Environmental protection is without minor matter, so the present invention has positive effect.

2, important economic worth is also had, for the value of common electronic product, as this series products of charger, do not having under famous and precious first material, so first is Value of Science & Technology, second is manually add expense, 3rd cost being only element, and the element that the present invention increases is limited.After the invention process, obviously can feel after user that one is charger life-time dilatation, two by rechargable battery life, three is that capacity significant change can not occur, therefore society is bound to accept, and admit its scientific value, therefore this excellent product can replace the product of inferior quality.Due in the modern life, this product purpose is very general, so can produce significant economic worth.

3, the charged form filling not only but also put is adopted, there is significant maintenance effects to by rechargable battery, some critics claim that chargeable battery is filled on the net bad, instead of damage, and this measure can be closed by the relative maximum scientific maintenance of the charging of rechargable battery, particularly to acid battery.And by such charging and discharging mode, the capacity of battery and life-span can not only be made to reduce, even make defective cell can obtain recovery to a certain extent, so meaning is very large.

4, excellent performance of the present invention, one is to adjustable flexibly by the ratio between the charging and discharging time of rechargable battery, namely be that duty ratio is adjustable, two is frequency-adjustable of paired pulses, three is to adjustable flexibly by the timing of charging voltage complete charge, so from multi-angle stage construction, adapted to variety classes model by rechargable battery model.Another important point can charge to jumbo battery, as long as now the triode of charhing unit and discharge cell is changed to large power triode.In addition the present invention is not afraid of in addition and overcharges etc. advantage.

Certainly, time as commercialization, a wherein part can be got, produce product line.

5 to be connected with each unit science, and have accomplished comprehensive utilization, and thus line circuit is simplified, reliability is high.

6, easily produce, easily debug, be well suited for minuscule-type-enterprise and produce.

7, in this measure, integrated circuit have employed identical pulse counter and makes pulse generation and timing unit, peripheral element is identical with debugging method, same resistance is as the base voltage comparison point of live part, make the logic of circuit very reliable, thus further reduce the difficulty of production, enhance operability.

Accompanying drawing explanation

Fig. 1 is timing parallel connection type charging device frame principle figure.

In figure: 0, rectification unit; 1 rectification exports; 2, charging display unit; 3, interface unit; 5, charhing unit; 5.9, the output of charhing unit; 6, pulse counter; 6.0, impulse hunting unit; 7, discharge cell; 8, stop timing device; 8.1, oscillating unit is terminated; 8.2, performance element is terminated; 10, load unit.

Fig. 2 is the engineering philosophy figure of timing parallel connection type charging device.

In figure: 1, rectification exports; 2.1, charging instruction protective resistance; 2.2, charging process indicator light; 3.1, interface triode; 3.2, the trigger resistance of interface triode; 3.3, pulse current charge performs diode; 3.6, pulsed discharge clamp diode; 5.1, charging valve one; 5.2, charging valve two; 5.3, charge trigger resistance; 5.4, trickle resistance; 5.9, the output of charhing unit; 6, the vibration one of pulse counter 6.1, pulse counter inside; 6.2, the vibration two of pulse counter inside; 6.3, counting counting oscillating capacitance; 6.4, frequency limit resistance; 6.5, frequency-adjustable resistance; 6.6, steering diode; 6.7, duty ratio resistance; 6.8, oscillating capacitance series resistance is counted; 6.50, resistance is reset; 7.1, discharge tube one; 7.2, discharge tube two; 7.3, bias current diode; 7.4, biasing resistance; 7.5, switch is excised; 7.6, diode is excised; 7.9, discharge base resistance; 8, stop timing device; 8.11, protective resistance; 8.12, vibrate adjustable resistance; 8.13, vibrate limiting resistance; 8.14, counting oscillating capacitance is terminated; 8.21, terminate to perform triode; 8.22, charging terminates to perform diode; 8.23, the trigger resistance of triode is terminated; 8.25, step-by-step counting terminates to perform diode; 8.26, timing failure of oscillation performs resistance; 8.27, timing failure of oscillation performs diode; 10.1, by rechargable battery; 10.2, by rechargable battery contact display protective resistance; 10.3, display lamp is contacted by rechargable battery.

Fig. 3 is rectification unit circuit diagram.

In figure: 01, exchange input; 02, rectifier transformer; 03, bridge rectifier; 04, filter capacitor; 1, rectification exports.

The dummy load figure that Fig. 4 uses when being and detecting.

In figure: 5.9, the output of charhing unit; 10.2, by rechargable battery contact display protective resistance; 10.3, display lamp is contacted by rechargable battery; 15, the upper inclined limiting resistance of dummy load; 16, the upper inclined adjustable resistance of dummy load; 17, the lower inclined resistance of dummy load; 18, dummy load triode; 20, the collector resistance of dummy load triode.

Fig. 5 is the circuit diagram of the frequency-adjustable branch circuit parallel connection small resistor detecting stop timing device.

In figure: 8, stop timing device; 8.11, protective resistance; 8.12, vibrate adjustable resistance; 8.13, vibrate limiting resistance; 8.14, counting oscillating capacitance is terminated; 8.17, the small resistor of the frequency-adjustable branch circuit parallel connection of stop timing device is detected; 8.19, vibrational control point; 8.21, terminate to perform triode; 8.22, charging terminates to perform diode; 8.23, the trigger resistance of triode is terminated; 8.26, timing failure of oscillation performs resistance; 8.27, timing failure of oscillation performs diode.

Embodiment

Fig. 1 Fig. 2 example has gone out a kind of concrete embodiment of timing parallel connection type charging device, the detection figure during Fig. 3 Fig. 4 Fig. 5 example goes out to implement.

One, element is selected: the withstand voltage of filter capacitor is >=50V.The power of discharge resistance is >=1W.Terminate oscillating capacitance with counting oscillating capacitance be all with two electrochemical capacitors connect into electrodeless electric capacity form.Rectifier diode is heavy-duty diode.Other part is without particular/special requirement.

Two, making sheet, welding: make circuit control panel by Fig. 2, the schematic diagram of map interlinking 2 welds.

Rectification unit is made up of rectifier transformer (02 in Fig. 3), bridge rectifier (03 in Fig. 3), filter capacitor (04 in Fig. 3).

The secondary two ends of rectifier transformer connects two inputs of bridge rectifier respectively, and namely the output of bridge rectifier be that rectification exports, and connects filter capacitor to ground wire.

Charging display unit by charge instruction protective resistance (2.1 in Fig. 2) and charging process indicator light (2.2 in Fig. 2) form: charge indicate protective resistance and charging process indicator light be connected on signal input and in interface unit interface triode collector electrode between.

Interface unit is by interface triode (3.1 in Fig. 2), the trigger resistance (3.2 in Fig. 2) of interface triode, pulse current charge performs diode (3.3 in Fig. 2), pulsed discharge clamp diode (3.6 in Fig. 2) forms: the grounded emitter line of interface triode, the trigger resistance of interface triode is connected between an output of pulse counter and the base stage of interface triode, the positive pole of pulse current charge execution diode connects the base stage of two charging valves in charhing unit, pulse current charge performs the collector electrode of the negative pole connection interface triode of diode, the positive pole of pulsed discharge clamp diode connects the base stage of two discharge tubes in electric discharge base resistance to discharge cell, the collector electrode of the negative pole connection interface triode of pulsed discharge clamp diode.

Charhing unit is by charging valve one (5.1 in Fig. 2), charging valve two (5.2 in Fig. 2), charging trigger resistance (5.3 in Fig. 2), trickle resistance (5.4 in Fig. 2) forms: the collector electrode of charging valve one and the collector electrode of charging valve two are all connected to rectification and export, the base stage of charging valve one and the base stage of charging valve two link together, connect charging trigger resistance to export to rectification, the emitter of charging valve one and the emitter of charging valve two are connected together and become the output of charhing unit, one termination rectification of trickle resistance exports, the output of another termination charhing unit of trickle resistance.

Discharge cell is by discharge tube one (7.1 in Fig. 2), discharge tube two (7.2 in Fig. 2), bias current diode (7.3 in Fig. 2), biasing resistance (7.4 in Fig. 2), excision switch (7.5 in Fig. 2), excision diode (7.6 in Fig. 2), electric discharge base resistance (7.9 in Fig. 2) composition: discharge tube one is all connected on the positive pole by rechargable battery with the emitter of discharge tube two, the collector electrode of discharge tube one and the collector electrode of discharge tube two are connected together, connect the positive pole of bias current diode, the negative pole of bias current diode connects biasing resistance to ground wire, discharge tube one is connected with the base stage of discharge tube two, connect one end of electric discharge base resistance, another termination pulsed discharge clamp diode of electric discharge base resistance is to the collector electrode of interface triode, the output of one termination charhing unit of excision switch, another termination excision diode is to the base stage of two discharge tubes.

Impulse hunting unit is made up of oscillating circuit, frequency regulating circuit, duty cycle circuit.

Oscillating circuit by the vibration one (6.1 in Fig. 2) of pulse counter inside, vibration two (6.2 in Fig. 2) and counting oscillating capacitance (6.3 in Fig. 2), count oscillating capacitance series resistance (6.8 in Fig. 2) and form; Frequency regulating circuit is in series by frequency limit resistance (6.4 in Fig. 2) and frequency-adjustable resistance (6.5 in Fig. 2), and duty cycle circuit is in series by steering diode (6.6 in Fig. 2) and duty ratio resistance (6.7 in Fig. 2).

The output of the vibration one of pulse counter inside connects the input of the vibration two of pulse counter inside, frequency regulating circuit is in parallel with duty cycle circuit, the output of the vibration one of one termination pulse counter inside, the other end of another termination counting oscillating capacitance, one termination of counting oscillating capacitance is vibrated the output of two, and the other end of counting oscillating capacitance also connects the input of counting oscillating capacitance series resistance to the vibration one of pulse counter inside.

Stop timing device is made up of counter, and its pulse output end is connected to end oscillating unit, and its output has two-way to export, and the first via is connected to and terminates the base stage that performance element terminates to perform triode, and the second road series diode is connected to end oscillating unit.

Terminate oscillating unit to be made up of protective resistance (8.11 in Fig. 2), oscillation resistance, end oscillating capacitance (8.14 in Fig. 2); Oscillation resistance is in series by the adjustable resistance that vibrates (8.12 in Fig. 2) and vibration limiting resistance (8.13 in Fig. 2).

Oscillation resistance is connected between the second vibration end of stop timing device and vibrational control point; protective resistance is connected between the 3rd vibration end of stop timing device and vibrational control point; terminate the first vibration end of one end access node bundle timer of oscillating capacitance, terminate another termination vibrational control point of oscillating capacitance.

Terminate performance element to terminate to perform triode (8.21 in Fig. 2), charging terminates to perform diode (8.22 in Fig. 2), terminate the trigger resistance (8.23 in Fig. 2) of triode, step-by-step counting terminates to perform diode (8.25 in Fig. 2), timing failure of oscillation performs resistance (8.26 in Fig. 2), timing failure of oscillation performs diode (8.27 in Fig. 2) composition: the trigger resistance terminating triode is connected between the final output of stop timing device and the base stage terminating triode, terminate the grounded emitter line of triode, charging terminates to perform diode and is connected between the base stage of two charging valves in charhing unit and the collector electrode terminating triode, step-by-step counting terminates the final output of the positive pole access node bundle timer performing diode, step-by-step counting terminates to perform the clear terminal that the negative pole of diode connects pulse counter, stopping at fixed time vibration execution resistance and timing failure of oscillation perform Diode series to be terminated between the collector electrode of triode and vibrational control point.

Load unit by being contacted display lamp (10.3 in Fig. 2) with by rechargable battery by rechargable battery, contacted by rechargable battery and show protective resistance (10.2 in Fig. 2) and form: be connected on charhing unit by rechargable battery and export between ground wire; be connected with by rechargable battery positive pole by battery terminal contact display lamp one end, other end series connection is by earth connection after rechargable battery contact display protective resistance.

The clearing termination one of pulse counter resets resistance (6.50 in Fig. 2) to ground wire.

Three, energising checks and debugging.

1, stop timing device, end oscillating unit, the inspection terminating performance element and debugging.

The energising inspection of A, end oscillating unit.

One end of electric capacity is connected, cold junction ground connection with oscillographic hot junction.

This circuit is peripheral simple, after having the connection adopting electrodeless electric capacity, can not leak electricity in addition, and after being powered up, oscilloscope there will be the display of vibration figure immediately.

If incorrect, it is wrong to be only that element is welded to connect.

B, frequency-adjustable inspection.

The resistance of adjustment vibration adjustable resistance (8.12 in Fig. 5), make the scope of regulating frequency meet the requirement of design, can period of oscillation be calculated by the frequency of vibration, can according to period of oscillation, and the frequency division output terminal of stop timing device, calculate the scheduled time of timing.

The inspection that stop timing device and end performance element are energized and debugging.

By the fast debugging method be energized to stop timing device unit.Namely this method is newly increase the very little resistance (8.17 in Fig. 5) of a resistance at oscillation resistance two ends, now pulse counter output has the high-order end that terminates to export very soon, first phenomenon is that the clear terminal of now pulse counter is cleared, interface transistor collector is high-order, now charging process indicator light is put out by bright change, discharge portion output no-voltage.The sites such as the second phenomenon terminates the current collection very low level of triode, clamper charging base stage, so live part no-output.3rd phenomenon connects with ripple device hot junction the first vibration end terminating timer, and be namely the link terminating oscillating capacitance and stop timing device, oscilloscope display is failure of oscillation state, is namely or is a high position, is namely or is low level.Now interface transistor collector is high-order, but after terminating triode clamp, live part output no-voltage.

Illustrate 1, by the fast debugging method be energized to stop timing device, after also going up the little resistance of new resistance, the quickening that frequency is extremely acute, cycle pole drastic change is short, and this causes the very fast resultful reason of the output of stop timing device.Illustrate 2, charge and terminate rear failure of oscillation, mean, output no longer changes, and maintenance this kind of state is started to the charging of new second time.

2, pulse count device frequency the inspection of energising and debugging.

The output of pulse counter is connected, cold junction ground connection with oscillographic hot junction.

After being powered up, oscilloscope has the display of vibration figure.

If incorrect, then may be that element welding is wrong, may be maybe counting oscillating capacitance (6.3 in Fig. 2) poor quality, serious drain.

Regulating frequency adjustable resistance resistance, make shown by oscilloscope frequency meet designing requirement, its rule is that resistance is larger, and frequency is slower, otherwise faster.

Adjustment duty ratio: with the collector electrode of oscillographic hot junction connecting interface triode, cold junction ground connection.

After being powered up, oscilloscope has the display of vibration figure, and wherein an important feature of waveform is that the high bit time within one-period is long, and the time of low level is short, if the direction that situation on the contrary, is steering diode (6.6 in Fig. 2) is welded anti-.

Regulate duty ratio resistance (6.7 in Fig. 2) resistance, make the duty ratio shown by oscilloscope meet designing requirement, its rule is that resistance is larger, and the high bit time within one-period is longer.Otherwise resistance is less, the high bit time within one-period is shorter.

3, the inspection that shows of docking port triode and charging process.

A, by interface triode (3.1 in Fig. 2) base stage shorted to earth, now this pipe collector should be high-order, and the emitter estimating charhing unit two triode with voltmeter has electricity, otherwise is that line is wrong.Charging process indicator light (2.2 in Fig. 2) now should not work.

B, discharge cell two transistor collector are without electricity, should be in cut-off off state, if incorrect, generally all belong to Miswire.

C, by the base stage of a power sources in series provisional resistance connection interface triode, now interface transistor collector should be low level, measures the emitter Ying Wu electricity of charhing unit two triode, and should be cut-off with voltmeter.If situation is incorrect, then should measure the base stage of two triodes in charhing unit, if base stage is low, then may be that pulse current charge performs diode (3.3 in Fig. 2)) sealing-off, or polarity weldering is anti-.Charging process now terminates indicator light (2.2 in Fig. 2) light.Now, the collector electrode of discharge cell has voltage, and discharge cell triode ON is described, electric discharge.If situation is not inconsistent, be then that the weldering of pulsed discharge clamp diode (3.6 in Fig. 2) polarity is anti-.

4, to the energising inspection of charhing unit and discharge cell.

Connect one as shown in Figure 4 to replace by the dummy load of rechargable battery: be linked to be adjustable voltage-stabiliser tube analog circuit with a triode, replace being become dummy load by rechargable battery.Dummy load is adjusted to the voltage status of battery underfill.

(1), by the base stage shorted to earth of interface triode (3.1 in Fig. 2), survey the output of charhing unit with voltmeter, now voltmeter has voltage to indicate.Be serially connected in by ammeter between the negative pole of bias current diode (7.3 in Fig. 2) and biasing resistance (7.4 in Fig. 2), now ammeter is zero.

The base stage of interface triode is connect a resistance to power supply, the output of surveying charhing unit with voltmeter is zero, and between negative pole ammeter being serially connected in bias current diode and biasing resistance, ammeter has electric current to indicate.

Correct above, then illustrating that the energising of charhing unit and discharge cell is working properly, as incorrect, is then that connection is wrong.

(2), inspection excision switch.

When excising switch (7.5 in Fig. 2) open circuit, belonging to and filling while two functions of discharging.When closed excision switch, now there is reverse bias in discharge cell two triode, so there is not discharging function.

5, check by rechargable battery contact display.

After being contacted by rechargable battery, it is bright that correspondence is contacted display lamp (10.3 in Fig. 2) by rechargable battery, otherwise do not work.

6, to the detection of tiny stream electric current.

Voltmeter is connected on trickle resistance two ends measuring voltage, by trickle resistance, calculates tiny stream size of current, tiny stream electric current is meeted the requirements.Its rule is that more small area analysis is larger for resistance.Otherwise resistance more big current is less.

Claims (5)

1. timing parallel connection type charging device, is characterized in that: by rectification unit, charging display unit, interface unit, charhing unit, the output of charhing unit, pulse counter, impulse hunting unit, discharge cell, stop timing device, terminates oscillating unit, and terminate performance element, load unit forms jointly;

Wherein: rectification unit is made up of rectifier transformer, bridge rectifier, filter capacitor;

The secondary two ends of rectifier transformer connects two inputs of bridge rectifier respectively, and namely the output of bridge rectifier be that rectification exports, and connects filter capacitor to ground wire;

Charging display unit by charge instruction protective resistance and charging process indicator light form: charge indicate protective resistance and charging process indicator light be connected on signal input and in interface unit interface triode collector electrode between;

Interface unit is by interface triode, the trigger resistance of interface triode, pulse current charge performs diode, pulsed discharge clamp diode forms: the grounded emitter line of interface triode, the trigger resistance of interface triode is connected between an output of pulse counter and the base stage of interface triode, the positive pole of pulse current charge execution diode connects the base stage of two charging valves in charhing unit, pulse current charge performs the collector electrode of the negative pole connection interface triode of diode, the positive pole of pulsed discharge clamp diode connects the base stage of two discharge tubes in electric discharge base resistance to discharge cell, the collector electrode of the negative pole connection interface triode of pulsed discharge clamp diode,

Charhing unit is made up of charging valve one, charging valve two, charging trigger resistance, trickle resistance: the collector electrode of charging valve one and the collector electrode of charging valve two are all connected to rectification and export, the base stage of charging valve one and the base stage of charging valve two link together, connect charging trigger resistance to export to rectification, the emitter of charging valve one and the emitter of charging valve two are connected together and become the output of charhing unit, one termination rectification of trickle resistance exports, the output of another termination charhing unit of trickle resistance;

Discharge cell is by discharge tube one, discharge tube two, bias current diode, biasing resistance, excision switch, excision diode, electric discharge base resistance composition: discharge tube one is all connected on the positive pole by rechargable battery with the emitter of discharge tube two, the collector electrode of discharge tube one and the collector electrode of discharge tube two are connected together, connect the positive pole of bias current diode, the negative pole of bias current diode connects biasing resistance to ground wire, discharge tube one is connected with the base stage of discharge tube two, connect one end of electric discharge base resistance, another termination pulsed discharge clamp diode of electric discharge base resistance is to the collector electrode of interface triode, the output of one termination charhing unit of excision switch, another termination excision diode is to the base stage of two discharge tubes,

Impulse hunting unit is made up of oscillating circuit, frequency regulating circuit, duty cycle circuit;

Oscillating circuit by the vibration one of pulse counter inside, vibration two with counting oscillating capacitance, count oscillating capacitance series resistance and form; Frequency regulating circuit is in series by frequency limit resistance and frequency-adjustable resistance, and duty cycle circuit is formed by steering diode and duty ratio resistant series;

The output of the vibration one of pulse counter inside connects the input of the vibration two of pulse counter inside, frequency regulating circuit is in parallel with duty cycle circuit, the output of the vibration one of one termination pulse counter inside, the other end of another termination counting oscillating capacitance, one termination of counting oscillating capacitance is vibrated the output of two, and the other end of counting oscillating capacitance also connects the input of counting oscillating capacitance series resistance to the vibration one of pulse counter inside;

Stop timing device is made up of counter, and its pulse output end is connected to end oscillating unit, and its output has two-way to export, and the first via is connected to and terminates the base stage that performance element terminates to perform triode, and the second road series diode is connected to end oscillating unit;

Terminate oscillating unit to be made up of protective resistance, oscillation resistance, end oscillating capacitance; Oscillation resistance is in series with vibration limiting resistance by the adjustable resistance that vibrates;

Oscillation resistance is connected between the second vibration end of stop timing device and vibrational control point, protective resistance is connected between the 3rd vibration end of stop timing device and vibrational control point, terminate the first vibration end of one end access node bundle timer of oscillating capacitance, terminate another termination vibrational control point of oscillating capacitance;

Terminate performance element to terminate to perform triode, charging terminates to perform diode, terminate the trigger resistance of triode, step-by-step counting terminates to perform diode, timing failure of oscillation performs resistance, timing failure of oscillation performs diode composition: the trigger resistance terminating triode is connected between the final output of stop timing device and the base stage terminating triode, terminate the grounded emitter line of triode, charging terminates to perform diode and is connected between the base stage of two charging valves in charhing unit and the collector electrode terminating triode, step-by-step counting terminates the final output of the positive pole access node bundle timer performing diode, step-by-step counting terminates to perform the clear terminal that the negative pole of diode connects pulse counter, stopping at fixed time vibration execution resistance and timing failure of oscillation perform Diode series and are terminating between the collector electrode of triode and vibrational control point,

Load unit by being contacted display lamp with by rechargable battery by rechargable battery, contacted by rechargable battery and show protective resistance and form: be connected on charhing unit by rechargable battery and export between ground wire; be connected with by rechargable battery positive pole by battery terminal contact display lamp one end, other end series connection is by earth connection after rechargable battery contact display protective resistance.

2. timing parallel connection type charging device according to claim 1, is characterized in that: the withstand voltage of filter capacitor is >=50V.

3. timing parallel connection type charging device according to claim 1, is characterized in that: the power of discharge resistance is >=1W.

4. timing parallel connection type charging device according to claim 1, is characterized in that: terminate oscillating capacitance with counting oscillating capacitance be all with two electrochemical capacitors connect into electrodeless electric capacity form.

5. timing parallel connection type charging device according to claim 1, is characterized in that: the clearing termination one of pulse counter resets resistance to ground wire.