CN204886342U - Timing formula pulse environmental protection charger - Google Patents

Abstract

Timing formula pulse environmental protection charger belongs to the electronic technology by the display element that charges, the interface unit, and battery charging unit, trickle resistance, the output of discharge cell, pulse counter, the pulsed oscillation unit finishes the timer, finishes the oscillating unit, finishes execution unit, and load unit constitutes, and after the circular telegram, battery charging unit is constantly controlled in opening and off -state to pulse generation modules work, so whole working process is the pulse current who adopts charges. After finishing the timer timing, finishing execution unit and starting, it acts on firstly control interface unit to making battery charging unit close, secondly making the display element that charges no longer show, thirdly make the end oscillating unit stop shaking, fourthly the clear terminal of trigger impulse counter makes the pulse generation modules stop work. Trickle resistance provided sustaining tiny stream electric current for the battery this moment, the utility model discloses implement back each unit science of linking to each other to accomplished the comprehensive utilization, the circuit circuit is retrencied, the reliability high, the production of very suitable micro enterprises.

Description

Timing pulse environmental protection charger

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.Therefore how to ensure that back-up battery life and unaffected this of capacity are problems.

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 stops and the method for depositing, and namely fills certain hour, as 5 seconds, just stops 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, stops certain hour as 1 second, so circulates.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 charging not only but also stopping the charging method of filling, not only helpful to lead accumulator, and some alkaline cells are also helped positively.

But by above-mentioned charging method, conventional circuit also exists technological difficulties, because the circuit of routine is not the circuit filling not only but also stop, if by traditional design, must complex circuit, newly increase fault point, how to have solved these contradictions, become new difficult point.

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

The purpose of this utility model is, develops a kind ofly charge not only but also stop the pulse charging circuit that fills, and charging rechargeable battery being realized to science maximizes, thus maximized prolongation is by the life-span of rechargable battery and capacity, realizes the environmental protection of society.

The technical measures adopted are:

1, timing pulse environmental protection charger is by charging display unit, interface unit, charhing unit, trickle resistance, pulse counter, impulse hunting unit, stop timing device, terminates oscillating unit, and terminate performance element, load unit forms jointly.

Wherein: 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 performs diode by the trigger resistance of interface triode, interface triode, pulse current charge and 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 that pulse current charge performs diode connects the sites such as charging base stage, and pulse current charge performs the collector electrode of the negative pole connection interface triode of diode.

Charhing unit is made up of charge instrumentation tubes and trigger resistance.

The collector electrode of charging instrumentation tubes connects signal input, and between the collector electrode that trigger resistance is connected on charging instrumentation tubes and base stage, namely the emitter of charging instrumentation tubes is the output of charhing unit.

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-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 collector electrode of the charge sites such as base stage and end 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.

Trickle resistance is connected between signal input and the output of charhing unit.

2, interface triode is all NPN triode with charging instrumentation tubes, and charging the withstand voltage of instrumentation tubes is >=80V.

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

4, stop timing device is integrated circuit CD4060.

Further illustrate:

1, operation principle explanation.

After energising, the impulse generating unit control interface triode (3.1 in Fig. 2) of this measure, makes charhing unit to being charged not only by rechargable battery but also stopping the charging work of filling.

In charging process, because impulse generating unit work, the charging instrumentation tubes (5.11 in Fig. 2) constantly in control charhing unit is 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 also exist to stop filling special form.The charge rule formed is, within a cycle of pulse, when interface triode current collection very low level time, charhing unit close, stop charging, when the current collection of interface triode is very high-order, charhing unit is open-minded, charges to by rechargable battery, due within a cycle of pulse, the time of charging is long, and the time stopping filling 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 (8 in Fig. 2) outputs high signal, and one is the clear terminal of trigger impulse counter (6 in Fig. 2), makes interface triode (3.1 in Fig. 2) current collection very high-order.Now charging process indicator light (2.2 in Fig. 2) puts out.Two is that its end be connected performs triode (8.21 in Fig. 2) collector electrode and exports low level signal, thus clamper live part is biased, terminates by the charging work of 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), 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 and forms.Interface triode mainly contains following functions.

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, makes charhing unit produce charging and stop filling two states.

Two is excitation charging process indicator light (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.

(2), pulse counter and impulse hunting unit.

A, its Main Function are the features of pulse counter and impulse hunting unit is be 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 control charging process indicator light (2.2 in Fig. 2) by interface triode, forms charging process instruction.Three is the adjustments realizing duty ratio.Make the overall process of charging, charge again and the recombination process stopping filling in realization, remain best ratio state.

B, principle composition and feature.

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

Oscillating circuit by pulse counter inside vibration one (6.1 in Fig. 2), vibration two (6.2 in Fig. 2), 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 pulse counter inside vibration one (6.1 in Fig. 2), second be the vibration two (6.2 in Fig. 2) 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 it is shorter to stop the time of filling, in the one-period of pulse, the time of charging is long, and the time stopping filling is short, meets 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.

(3), oscillating unit is terminated.

This unit to vibrate end counting 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.

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

By stop timing device (8 in Fig. 2) and terminate to perform 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, close impulse generating unit, interface triode (3.1 in Fig. 2) current collection is very high, thus charging process indicator light (2.2 in Fig. 2) puts out.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 clamper charging instrumentation tubes (5.11 in Fig. 2), 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.

It is that reliable in function, the length of timing has very wide time range that stop timing device (8 in Fig. 2) and terminating performs the feature one that triode (8.21 in Fig. 2) and peripheral element form the executive circuit of end jointly.Two is that timing is comparatively accurate, and one of them major reason terminates counting 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.

Outstanding advantage is had after the invention process:

1, by the present invention be to achieved by rechargable battery science charge, enhance 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 this measure is implemented, one by rechargable battery life, and two is that capacity significant change can not occur, and 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 stop 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 with such charging, stop the mode of filling, 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, another important point can charge to jumbo battery, as long as now charging instrumentation tubes 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, and peripheral element is identical with debugging method, and the logic of circuit is very reliable, thus further reduces the difficulty of production, enhances operability.

Accompanying drawing explanation

Fig. 1 is timing pulse environmental protection charger frame principle figure.

In figure: 1 signal input; 2, charging display unit; 3, interface unit; 5.1, charhing unit; 5.4, trickle resistance; 5.9, the output of charhing unit; 6, pulse counter; 6.0, impulse hunting unit; 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 pulse environmental protection charger.

In figure: 1, signal input; 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; 5.4, trickle resistance; 5.9, the output of charhing unit; 5.11, charging instrumentation tubes; 5.12, trigger resistance; 6, the vibration one of pulse counter 6.1, pulse counter inside; 6.2, the vibration two of pulse counter inside; 6.3, oscillating capacitance is counted; 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; 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; 8.19, 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; 8.25, 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 the circuit diagram of the frequency-adjustable branch circuit parallel connection small resistor detecting stop timing device.

In figure: 1, signal input; 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; 5.9, the output of charhing unit; 5.11, charging instrumentation tubes; 5.12, trigger resistance; 6, the vibration one of pulse counter 6.1, pulse counter inside; 6.2, the vibration two of pulse counter inside; 6.3, oscillating capacitance is counted; 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; 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; The small resistor of parallel connection when 8.17, detecting; 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; 8.25, 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.

Embodiment

Fig. 1 Fig. 2 example has gone out a kind of concrete embodiment of timing pulse environmental protection charger, the detection figure during Fig. 3 example goes out to implement.

One, element is selected: interface triode adopts high-power NPN triode with charging triode, and diode adopts face bonded type diode, and other resistor-capacitor unit is without particular/special requirement, and stop timing device is integrated circuit CD4060.

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

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. 3), 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 the small resistor (8.17 in Fig. 3) of parallel connection when newly increasing a detection 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, and now charging process indicator light is put out by bright change.Second phenomenon terminates the current collection very low level of triode, and the base stage of clamper charging instrumentation tubes (5.11 in Fig. 2), 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, 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 charging triode, and should be cut-off with voltmeter.If situation is incorrect, then should measure the base stage of charging instrumentation tubes, 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.

4, to inspection and the debugging of charging instrumentation tubes.

Be connected on by the red test pencil of voltmeter on the emitter of charging instrumentation tubes, black meter pen is connected on ground wire.

Connect the base stage of a resistance connection interface triode (3.1 in Fig. 2) with power line, now the current collection of interface triode very low level, the collector electrode no-voltage of charging instrumentation tubes (5.11 in Fig. 2), voltmeter is zero.

The base stage of property-line connection interface triode, the current collection of interface triode is now very high-order, and the collector electrode of charging instrumentation tubes has voltage to export, and voltmeter has voltage to indicate.

Above-mentioned 2 correct, illustrate that the work of charging work pipe is correct.If incorrect, or connect wrong, or isolating diode welding is anti-, or charging operational impairment.

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 swept in trickle resistance two ends measuring voltage, by trickle resistance, calculate 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 (4)

1. timing pulse environmental protection charger, is characterized in that: by charging display unit, interface unit, charhing unit, trickle resistance, pulse counter, impulse hunting unit, stop timing device, terminates oscillating unit, and terminate performance element, load unit forms jointly;

Wherein: 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 performs diode by the trigger resistance of interface triode, interface triode, pulse current charge and 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 that pulse current charge performs diode connects the sites such as charging base stage, and pulse current charge performs the collector electrode of the negative pole connection interface triode of diode;

Charhing unit is made up of charge instrumentation tubes and trigger resistance;

The collector electrode of charging instrumentation tubes connects signal input, and between the collector electrode that trigger resistance is connected on charging instrumentation tubes and base stage, namely the emitter of charging instrumentation tubes is the output of charhing unit;

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-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 collector electrode of the charge sites such as base stage and end 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;

Trickle resistance is connected between signal input and the output of charhing unit.

2. timing pulse environmental protection charger according to claim 1, is characterized in that: interface triode is all NPN triode with charging instrumentation tubes, and charging the withstand voltage of instrumentation tubes is >=80V.

3. timing pulse environmental protection charger according to claim 1, is characterized in that: the clearing termination one of pulse counter resets resistance to ground wire.

4. timing pulse environmental protection charger according to claim 1, is characterized in that: stop timing device is integrated circuit CD4060.