KR101497549B1 - Recovering method for charging capacity of battery and the charging device - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging capacity restoring method and a charging apparatus for a battery, and more particularly, Wherein the charging device further includes a discharge control unit for controlling the discharge unit, wherein the discharge control unit is connected to the central control unit and the discharge unit, and the control unit controls the control of the central control unit A discharge signal is transmitted to the discharge unit to discharge the battery according to a signal, and a pulse wave is generated and transmitted to the battery through the discharge unit.
As described above, according to the present invention, it is expected that an action effect of restoring the charging capacity of the battery more easily and effectively is expected by modifying the electrode by separately applying a pulse wave to the battery during the discharge of the battery with a significantly reduced charging capacity .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging method for a battery,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging capacity restoring method and a charging apparatus for a battery, and more particularly, to a method for restoring a charging capacity of a battery whose performance has deteriorated in accordance with an error in the management or use method of the rechargeable battery, A specific pulse wave is applied to the battery at the same time as the battery charging and the constant current discharge by the constant voltage charging method to reduce or eliminate the sulphate salt fixed to the electrode plate depending on the type of the battery or to reduce the memory effect, And more particularly, to a charging capacity restoring method and a charging apparatus for a battery which improve charging efficiency.

A battery of the same type as a secondary cell or a storage battery means a battery that stores external energy in the form of chemical energy and generates electricity when necessary.

Among these types of batteries, lead-acid batteries, Ni-Cd batteries, Ni-MH batteries, Li-ion batteries, lithium-polymer batteries And a battery (Li-ion polymer).

Generally, a reusable battery functions as a battery while repeating charging to convert electrical energy into chemical energy and discharging to convert chemical energy into electrical energy.

Such a battery sets the lifetime according to the number of times of charge and discharge according to the use purpose in the manufacturer, and such lifetime can be calculated when the battery is completely used according to theory.

When the battery is initially installed in an electric or electronic device or a device and then discharged to a predetermined voltage or less, the electric or electronic device or the device can not be operated normally. At this time, in order to reuse the battery discharged to a predetermined voltage or lower, the charging device is mounted and charged.

However, if the battery is charged after inserting the battery into the charging device to charge the discharged battery, the battery is not completely discharged, so that even when the battery is fully charged, Memory effect.

In other words, when the battery is used in an electric device or an electric device in a state where the battery is initially charged, the battery outputs a normal voltage and outputs a constant voltage for a predetermined time. However, when charging and discharging are repeated a predetermined number of times or more, It is impossible to output the continuous voltage for a predetermined time or to charge the battery only below the set reference voltage so that the electric electronic device or the device can not be normally driven.

This means that if the battery used in the electric / electronic device or the device is recharged in a state in which the battery is discharged below a predetermined voltage, the battery is recharged only at a predetermined voltage or higher, .

Therefore, when the battery is recharged, the battery is fully discharged because the memory effect is minimized if the battery is recharged after the full discharge. However, the battery installed in the electric / electronic device or the device can not be normally operated There is a problem that not only the memory effect is generated but also the life of the battery which can be charged is shortened.

In addition to the problems of such a complete discharge, there is a problem that the use of an actual battery typically causes over-charging or under-charging errors, and the battery is not used for a sufficient life expectancy and discarded.

Korean Patent Application No. 1997-042739

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to apply a pulse wave to a battery during a discharge of the battery to restore the charging capacity of the battery more easily and effectively.

Another object of the present invention is to restore and secure a charging capacity optimized for the battery by inputting the type, capacity, charging coefficient, discharge coefficient, etc. of the battery.

It is another object of the present invention to enable the pulsed wave to be restored more quickly and efficiently by automatically adjusting the pulsed wave in consideration of the amount of current during discharge.

In order to achieve the above-mentioned object, the present invention provides a battery charging device comprising a central control unit for controlling charging and discharging of a battery, a charging unit for charging the battery, a discharging unit for discharging the battery, and an external power input unit, Wherein the charging device further includes a discharge control unit for controlling the discharge unit, wherein the discharge control unit is connected to the central control unit and the discharge unit, and is configured to discharge the battery according to a control signal of the central control unit, And transmits the discharge signal to the battery through the discharging unit.

A battery voltage detection unit connected to the central control unit at one end and to the battery at the other end, measuring a voltage of the battery in real time and transmitting the measured value to the central control unit; A battery current detector connected to the central control unit at one end and to the battery at the other end to measure a current value applied to the battery at the time of charging or discharging the battery in real time and to transmit the current value to the central control unit; And a charge control unit connected to the central control unit and the charging unit, respectively, and electrically controlling the charging unit under the control of the central control unit.

An operating unit provided in a keypad or touch pad type for receiving information on the battery and starting execution of the battery charge capacity restoring process; An external display unit for displaying battery information or restoration progress status input through the operation unit under the control of the central control unit; And a communication unit that mediates data transmission between the external terminal and the charging device.

The central control unit may include a memory, and the input battery information may be stored in a memory of the central control unit.

The battery information preferably includes a type, a capacity, a number of cells, a charge coefficient or a discharge coefficient of the battery.

The charge state program is loaded and driven in an external terminal connected to the communication unit. In the charge state program, the voltage, current, charge or discharge amount value of the battery received through the communication unit is preferably displayed in a graph.

A battery management program is loaded and operated in an external terminal connected to the communication unit, and in the battery management program, it is preferable that a set value necessary for charging and discharging is corrected for the type of battery received through the communication unit and transmitted to the central control unit Do.

Preferably, the set value includes a discharge end voltage, a charging end voltage, and a telepeak voltage.

The pulse wave is divided into a primary pulse wave which is a pulse wave amplified by the discharge control section and a secondary pulse wave which is a pulse wave derived from the discharge control section peripheral circuit through the primary pulse wave. It is preferable not to exceed the maximum voltage of the spark. Recovery is performed at the primary peak voltage and once again at the secondary peak voltage. This restores the battery with two peak voltages in one week. The difference between the primary pulse wave and the secondary pulse wave is a pulse wave for sustained banner performance after battery recovery and restoration. The primary pulse wave is a pulse wave for battery recovery, and the secondary pulse wave is a pulse wave for maintaining performance after recovery.

Further, the present invention provides a battery charging apparatus comprising: a battery driven by a battery charge / discharge device including a discharge control unit and a discharge unit, the battery being accommodated in a battery accommodating portion of the charging device; A discharge signal is transmitted to the discharge unit by the discharge control unit; And discharging the battery by the discharge unit according to the discharge signal. In the step of discharging the battery by the discharge unit according to the discharge signal, the discharge of the battery is performed by the discharge control unit, Wherein the battery is charged into the battery.

In the step of discharging the battery, it is preferable that the discharge state of the battery and the state in which the pulse wave is inputted are displayed by the external display unit.

A discharge signal is transmitted to the discharge unit by the discharge control unit; A step of inputting battery information including the type of the battery in advance.

In the discharging of the battery, the discharging state of the battery and the battery information are displayed in the external terminal through a communication unit provided in the charging apparatus.

In the step of discharging, it is preferable that the amount of discharged electric current is corrected by adjustment of the pulse wave.

Preferably, the correction of the discharged amount of current is performed by detecting a case where the difference between the amount of current set for the battery and the actual amount of current differs by more than a predetermined value to adjust the frequency of the pulse wave.

In the step of performing the discharge, discharge is preferably performed by a constant current discharge and a constant voltage discharge.

As described above, according to the present invention, it is expected that an action effect of restoring the charging capacity of the battery more easily and effectively is expected by modifying the electrode by separately applying a pulse wave to the battery during the discharge of the battery with a significantly reduced charging capacity .

Further, the present invention is expected to have an effect of restoring and securing a charging capacity optimized for the battery by inputting in detail the type, capacity, charging coefficient, discharge coefficient, etc. of the battery which is basic information of the battery.

In addition, the present invention is expected to have an effect of improving the recovery efficiency of the battery charging capacity by interlocking the waveform of the pulse wave and the amount of the battery or the amount of current measured from the battery.

1 is a block diagram of a battery charging apparatus according to an embodiment of the present invention.
2 is a flowchart showing a procedure of a method for restoring a charged capacity of a battery according to an embodiment of the present invention.
Fig. 3 shows a pulse wave and a sawtooth wave according to the duty ratio. Fig. 6 (a) shows a pulse wave and sawtooth wave with a ratio of 10% It is.
4 is a waveform diagram including a primary pulse wave and a secondary pulse wave of a pulse wave used in a method for restoring a charged capacity of a battery according to an embodiment of the present invention.
5 is a photograph showing the state of the electrode before and after restoration of the battery according to the embodiment of the present invention.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings and preferred embodiments.

1 is a block diagram of a battery charging apparatus according to an embodiment of the present invention. As shown in the figure, the battery charging apparatus includes a central controller, a battery voltage detector, a battery current detector, a discharger, a discharge controller, a charger, a charge controller, an external display, an operating unit, a communication unit, .

Here, the components such as the housing, the connecting plug, and the battery accommodating unit, which are hardware components of the charging apparatus, correspond to a typical configuration, and a detailed description thereof will be omitted.

The central control unit is directly or indirectly connected to a battery voltage detector, a battery current detector, a discharge controller, a charge controller, an external display, an operation unit, a communication unit, and an external power input unit to control and manage the components.

The central control unit is provided with a memory. The memory stores basic information of the battery, product information of the charging apparatus, charging / discharging setting values according to each battery, and the like. It can receive and store. The external input means may be a built-in means such as an operation unit as described later, or may be an external means such as an external terminal connected through a communication unit.

Also, the battery voltage detector is connected to the charge controller or the discharge controller to measure the voltage of the battery in real time, and is connected to the central controller to transmit the measured value to the central controller.

The battery voltage detector detects the voltage of the battery even during the charging and discharging process or in a state where the charging and discharging are not performed, and the charging controller or the discharging controller controls charging or discharging with reference to the upper voltage value.

The battery current detector is connected to the charge controller or the discharge controller to measure a current value applied to the battery at the time of charging or discharging in real time and to the central controller to transmit the measured value to the central controller.

The battery current detector detects the current of the battery during the charging and discharging process, and the charging controller or the discharging controller controls charging or discharging with reference to the current value.

The discharge control unit is connected to the discharge unit and controls the discharge unit. The discharge control unit is connected to the central control unit. When a discharge command is inputted through the operation unit, the discharge control unit receives a discharge signal transmitted from the central control unit, So that discharge is performed, and a pulse wave is generated and transmitted to the battery through the discharge unit.

That is, the discharge signal transmitted from the central control unit has information on the amount of discharge current and pulse waveform, and the discharge control unit amplifies the received discharge signal and transmits it to the discharge unit. The pulse wave is a waveform forming a discharge signal.

The discharge signal of the central control unit continues until the voltage of the battery reaches the discharge end voltage. The discharge end voltage checks the voltage state of the battery at intervals of 0.1 second through the voltage detection unit.

The discharge unit is connected to the discharge control unit to control the discharge of the battery, discharges the battery, and transfers the pulse wave generated by the discharge control unit to the battery.

The charging control unit is connected to the charging unit and controls the charging unit. When the charging command is input through the operation unit, the charging control unit receives the charging signal transmitted from the central control unit and transmits a charging signal to the charging unit So that charging is performed.

The charging unit is connected to the charging control unit to control the charging of the battery, and charges the battery.

Also, the external power input unit is an external DC power input terminal, and is used as power for charging and operating power for the apparatus.

The external display unit displays battery information input through an operation unit, which will be described later, and displays the progress of the battery in the restoration process through a display screen under the control of the central control unit.

On the other hand, the external display unit may display necessary information on the display screen by operation of an external terminal connected through a communication unit, which will be described later. The external display unit is preferably a display screen, but may be a simple electric display unit performing functions such as lighting, blinking, and turning off.

In addition, the operation unit receives the information of the battery to be restored and executes the restoration process. Here, the operation unit includes all the operation functions for enabling the charging device to be driven in addition to the restoration function. For example, a function key may be provided to input a charging process, a discharging process, a charge stop, a discharge stop, have.

The input battery information may be stored in a memory of the central control unit, and the central control unit performs charging, discharging, or restoring functions based on the set values set according to the stored battery information. Here, the information of the battery means the type of battery, capacity, number of cells, charge coefficient, discharge coefficient, manufacturing cost, etc., and all other information that can be displayed by the battery.

Here, the charge coefficient is a coefficient of a current charged at the time of battery charging. For example, if you want to charge a 12V 40Ah lead acid battery with a current of 4Ah per hour, the charge factor will be 0.1. However, there is an appropriate value depending on the type of battery. However, if the type of battery is input, it may be automatically designated by the information stored in the memory of the central control unit.

Also, the discharge coefficient is a coefficient of a current to be discharged per hour at the time of battery discharge. For example, if you want to discharge a 12V 40Ah lead-acid battery with a current of 8Ah per hour, the discharge coefficient will be 0.1. However, even in this case, there is an appropriate value depending on the type of the battery, so you have to check and determine the type of the battery, and store it in the memory or specify the stored value.

Table 1 shows battery characteristics such as a reference voltage, a charging end voltage, a discharge end voltage, a charging coefficient and a discharge coefficient according to the type of the battery.

The communication unit may be connected to an external terminal such as a desktop or a smart phone or may form a network with an external communication unit and may be provided to the external terminal through a medium to provide real time information on the charging device and the battery, And mediates to do so. For example, as a real-time information on a battery, a so-called battery state program, which is configured to send a state of a battery under restoration to an external terminal and to be mounted on an external terminal and to be interlocked with the charging apparatus, , The amount of charge or discharge can be displayed as visual data such as a graph.

In addition, a so-called management program installed in an external terminal is interlocked with the charging device via the communication unit, so that a set value required for charging or discharging can be modified according to the battery type. Here, the set value refers to the discharge end voltage, end-of-charge voltage, and peak-to-peak voltage, and the data necessary for charging and discharging according to the type of battery may be defined as the set value.

A method of restoring a charged capacity of a battery according to an embodiment of the present invention is described below with reference to the above-described charging apparatus, and a flowchart according to a restoration method is shown in FIG.

First, a DC power source is connected to an external power input unit, and a battery is connected to a battery terminal (S10). At this time, pay attention to the polarity of the battery.

Then, unique information of the battery is input through the operation unit (S11). In this case, the input information includes the type of the battery (lead acid battery, lithium battery, nickel manganese, nickel cadmium), the capacity of the battery (40AH, 4000mAH, etc.), and the number of cells of the battery for charging and discharging. The lead-acid battery's voltage per cell is 2V, the lithium battery's voltage per cell is 3.7V, and the nickel-manganese battery and nickel-cadmium battery's voltage per cell is 1.2V. Therefore, in case of 12V lead-acid battery, 6 cells are connected in series.

Then, the charge coefficient and the discharge coefficient of the battery are inputted. Herein, the input order is preferably input in the above order, but it is also possible to input in the other order. The input battery information is stored in a memory provided in the central control unit. When the same battery is subsequently recharged or discharged, the battery information can be recalled and used. Of course, the memory may be input and stored as described above, but unique information of the main battery may be pre-input at the time of product delivery.

The central control unit is connected to the discharge control unit and the charge control unit, and controls the discharge control unit and the charge control unit based on the input battery information. Controlled elements include charge voltage, charge current, current drop time, and charge end time.

Also, the central control unit is connected to the external display unit and controls the external display unit to display voltage, current, charge amount, discharge amount, and the like.

When the input of the battery information is completed, the user is asked whether the input is completed. When the completion of the input of the battery information is completed, the charging is started automatically or by a switch (not shown) or the like (S12). When charging is started, the central control unit sends a charging signal to the charging control unit, receives information on the voltage and current of the battery by each detecting unit, compares the voltage and current with each reference value, and sends a control signal to the charging control unit.

The charge control unit receives the charge signal from the central control unit, controls the voltage and current, and starts charging the constant current according to the input charge coefficient (S12-1).

Thereafter, when the battery reaches a predetermined voltage, the charging current is reduced and constant voltage charging is started to maintain the voltage constant (S12-2). At this time, the central control unit monitors the charging end voltage of the battery. When the charging end voltage reaches the charging end voltage, the central control unit sends a charging end signal to the charging control unit.

The discharge-related operation method is as follows.

The discharging of the battery transforms the pulse wave generated from the central control unit into a sawtooth wave through the discharge control unit and amplifies it to transfer it to the discharge unit. The transmitted sawtooth-shaped discharge signal is transmitted to the switching unit of the discharging unit, So that the current is discharged through the load resistance to the thermal energy. For reference, the discharge unit is constituted by a switching element, a load resistor, and a heat dissipation unit as an embodiment.

First, the method of starting the input and discharge of the battery information for discharging is the same as the charging (S20 to S22).

When the discharge start command is input, the central control unit sends a discharge signal to the discharge control unit, receives information on the voltage and current of the battery from the respective detection units, compares it with a reference value, and sends a control signal to the discharge control unit.

The discharge control unit receives the signal from the central control unit, and applies a pulse pulse to the discharge signal according to the input discharge coefficient to send it to the discharge unit. Accordingly, the discharge unit performs the constant current discharge of the battery, and further, the battery recovery by the pulse wave advances (S23). At this time, the central control unit monitors the voltage and current of each detection unit, sends the corrected value to the discharge control unit, and the discharge control unit resets the discharge signal to the discharge unit.

More specifically, when a discharge start command is input, the central control unit sends a square-wave type discharge signal to the discharge control unit. At this time, the square wave has a ratio of 10% to 90% and a frequency of 12KHz to 35KHz.

These TVs and frequencies are used as discharge signals by adopting appropriate values according to battery type, voltage, capacity and discharge coefficient. The discharge control section receiving the discharge signal transforms the square wave into a sawtooth wave, amplifies it, and sends it to the discharge section.

The discharging unit opens and closes the switching device according to the signal to discharge the current by sending the current of the battery to the load device. At the same time, the amplified pulse wave is sent to the battery to restore the battery. In FIG. 3, the waveforms of the pulse wave and the sawtooth wave according to the duty ratio are shown separately. 3 (a) shows pulse waves and sawtooth waves of 10% of the ratio, and FIG. 3 (b) shows pulse waves and sawtooth waves of 90% of the ratio.

The following characteristics regarding the restoration of the battery should be understood.

The secondary battery is composed of a positive electrode (reduction electrode), a negative electrode (oxidation electrode) and an electrolyte, and is a chemical cell capable of charging and discharging by a charge chemical reaction and a discharge chemical reaction. Such secondary batteries tend to degrade over time due to increased use time or insufficient maintenance.

This phenomenon is called memory effect in nickel battery, aging phenomenon in lithium battery, and sulfation in lead acid battery. These phenomena are mostly inferior in performance due to under-filling, over-discharge or self-discharge, and the width of the downward performance is getting worse with time. As a method for eliminating these phenomena and restoring the charging capacity, there has been attempted to restore a region where a high-pressure pulsed wave can not be used by charging the battery during charging.

However, the restoration of this method has a short life span due to the deterioration of the battery although short-term restoration is possible. However, the present invention suggests a method of applying pulsed spark during discharging, and restoration of the battery and measurement of the discharging performance of the battery can be simultaneously performed through the constant current discharge. The advantage of the constant current discharge is to not only equalize the chemical reaction of the electrode plates of the cells inside the battery but also to normalize the performance of each cell, thereby extending battery performance and lifetime. In addition, since the pulsed spark is applied during discharging, the life of the battery is not shortened due to deterioration of the battery, and stable restoration is possible.

The flow of pulsed waves in electrical and electronic equipment means that a considerably high voltage flows instantaneously over an applied rated voltage. When a high voltage is applied to an electric / electronic device, the amount of electric current to be transmitted is also increased, and the internal elements are destroyed without being able to withstand a large load.

When a pulse wave is applied during charging, a high voltage and a large amount of current are applied to the battery. When the battery receives the charge, the battery is charged. If the battery is not accepted, the battery is changed into heat energy. At this time, the converted heat energy leads to the temperature rise of the battery, the temperature increase increases the internal resistance of the battery, and as the resistance increases, the battery does not accept the current and is converted into heat energy and accumulates in the battery to cause battery deterioration.

In addition, overcharging occurs due to the continuous application of current beyond the charging capacity of the battery. Such deterioration and overcharging may damage the internal cells of the battery, which may adversely affect battery life.

On the contrary, the battery recovery by pulsed spark during discharging is free from the deterioration phenomenon and the battery damage caused by overcharging in the recovery by the pulsed spark during charging as described above.

The pulse wave is divided into a primary pulse wave and a secondary pulse wave, which can increase the efficiency of recovery. In other words, the pulse wave is divided into a pulse wave (primary pulse wave) amplified by the discharge control section and a pulse wave (secondary pulse wave) derived from the peripheral circuit of the discharge control section through the primary pulse wave.

The primary pulse wave and the secondary pulse wave are transmitted to the discharging part at the same time, and are always paired to the switching element of the discharging part until the end of the discharging process, thereby discharging the battery and delivering the pulse wave to the battery. The secondary pulse wave occurs within a range not exceeding the maximum voltage of the primary pulse wave. As shown in the waveform diagram of FIG. 4, two peak voltages are generated per pulse period to increase the recovery efficiency by the pulse.

Also, based on the data obtained by the constant current discharge, it is possible to know the accurate restoration efficiency by comparing with the performance test table provided by the battery manufacturer, and it is possible to accurately measure the discharge performance of the battery.

The present invention relates to a battery restoration by a constant current discharge including a pulse wave. However, the present invention can be operated with only a pulse spark even in a non-charging and discharging process. That is, only the pulse generating unit may be separately manufactured and operated by the power supply of the battery. The method of calculating the amount of current at discharge will be described as follows.

When the discharge starts, the central control unit outputs the discharge signal, measures the amount of current through the battery current detection unit, and measures the voltage through the battery voltage detection unit.

The initial amount of current starts from 0 to increase the discharge current by increasing the duty ratio and frequency. When the target amount of current is reached, the duty ratio and the frequency of the pulse wave are fixed to the first degree and discharged to the discharge control part to discharge the battery. At this time, the battery current detector measures the discharge current amount of the battery in 0.01 second unit through the current sensor. The current sensor applies an electromagnetic induction method. When the reference voltage is 2.5 V, the voltage increases when charging (forward) and decreases when the discharge (reverse) voltage decreases. The voltage difference is measured to calculate the amount of current.

V (sensor voltage) = 2.5 + A (voltage increase with current) * B (current amount)

3.3 = 2.5 + 0.04 * (+ 20) ...... When charging

1.7 = 2.5 + 0.04 * (- 20)

The voltage detector of the battery measures the voltage after converting the battery voltage to a predetermined ratio.

         50V: 5V = 12V: X

In actual operation, the change of the amount of current occurs continuously during discharging. The cause of this change is caused by the sulfation of the battery cell, different aging phenomena, and detachment of the active material. For this reason, it is necessary to constantly compare and compensate the voltage and current.

The correction of the amount of current at the time of discharging is possible by adjusting the pulse wave transmitted from the central control unit to the charge control unit and the discharge control unit. The pulse wave can be adjusted by adjusting the frequency with the tuner.

For example, if the difference between the set amount of current and the actual amount of current exceeds 50 mA / H, actual adjustment is performed by increasing or decreasing the frequency of the pulse wave. Through the battery voltage detection unit and the battery current detection unit, the central control unit reads the current amount and the voltage in 0.01 second increments and continuously compares the current amount and voltage with the set value.

During the discharge, the central control unit sends a discharge stop signal to the discharge control unit when the voltage of the battery reaches the discharge end voltage, and the discharge control unit stops the discharge by blocking the signal to be transmitted to the discharge unit. At this time, the pulse wave ends.

As a result of restoring the battery with the battery charging device according to the embodiment of the present invention, when the charging and discharging are one recovery, the results shown in Table 2 below can be obtained. That is, as can be seen from the following Table 2, it can be seen that the charge capacity of the battery increases as the frequency increases from the first to the third order, that is, as the frequency increases.

In addition, when the internal state of the battery is compared before and after the restoration, there is a clear difference as shown in FIG. That is, FIG. 5A shows the electrode state of the battery before the restoration, and FIG. 5B shows the state after the restoration. It can be seen that the sulfate before the restoration has the whitish adhesion, It can be seen that all of the sulphate is removed and the state of the battery is restored to a state before the substantial use.

While the invention has been shown and described with reference to certain exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And the scope of protection of the present invention should be specified by the interpretation of the claims.

Claims (18)

1. A conventional battery charging device comprising a central control section for controlling charging and discharging of a battery, a charging section for charging the battery, a discharging section for discharging the battery, and an external power input section,
The charging device may further include a discharge control unit for controlling the discharge unit,
And a discharge control unit connected to the central control unit and the discharge unit to transmit a discharge signal to the discharge unit to discharge the battery according to a control signal of the central control unit,
Wherein the pulse wave is divided into a primary pulse wave which is a pulse wave amplified by the discharge control unit and a secondary pulse wave which is a pulse wave derived from the discharge control unit peripheral circuit through the primary pulse wave. The method according to claim 1,
A battery voltage detection unit connected to the central control unit at one end and to the battery at the other end, measuring a voltage of the battery in real time and transmitting the measured value to the central control unit;
A battery current detector connected to the central control unit at one end and to the battery at the other end to measure a current value applied to the battery at the time of charging or discharging the battery in real time and to transmit the current value to the central control unit; And
A charge controller connected to the central controller and the charger, respectively, for electrically controlling the charger under the control of the central controller;
Further comprising: a charging unit for charging the battery. The method according to claim 1,
An operating unit provided in a keypad or touch pad type for receiving information on the battery and starting execution of the battery charge capacity restoring process;
An external display unit for displaying battery information or restoration progress status input through the operation unit under the control of the central control unit; And
A communication unit for mediating the external terminal and the charging device to transmit mutual data;
Further comprising: a charging unit for charging the battery. The method of claim 3,
Wherein the central control unit includes a memory, and the input battery information is stored in a memory of the central control unit. The method of claim 3,
Wherein the battery information includes a type, a capacity, a number of cells, a charge coefficient or a discharge coefficient of the battery. The method of claim 3,
A charging status program is loaded and driven in an external terminal connected to the communication unit, and the charging status program supports a voltage, a current, a charge or a discharge amount of a battery received through the communication unit to be displayed in a graph. Battery charging device. The method of claim 3,
A battery management program is loaded and operated in an external terminal connected to the communication unit and the battery management program modifies a set value necessary for charging and discharging to the type of the battery received through the communication unit and transmits it to the central control unit And a battery charger. 8. The method of claim 7,
Wherein the set value includes a discharge end voltage, a charge end voltage, and a telepeak voltage. The method according to claim 1,
Wherein the maximum voltage of the secondary pulse wave does not exceed the maximum voltage of the primary pulse wave. A discharge control unit, and a discharge unit,
Receiving the battery in the battery accommodating portion of the charging device;
A discharge signal is transmitted to the discharge unit by the discharge control unit; And
Discharging the battery by the discharge unit according to the discharge signal;
In the step of discharging the battery by the discharge unit according to the discharge signal, the pulse wave generated by the discharge control unit is input to the battery, and the pulse wave is a pulse wave amplified by the discharge control unit, Wherein the pulse is divided into a pulse wave and a secondary pulse wave which is a pulse wave derived from a peripheral circuit of the discharge control unit through the primary pulse wave. 11. The method of claim 10,
Wherein a discharge state of the battery and a state in which a pulse wave is inputted are displayed by an external display unit in the step of discharging the battery. 11. The method of claim 10,
A discharge signal is transmitted to the discharge unit by the discharge control unit; Before
And a step of inputting battery information including the type of the battery. 11. The method of claim 10,
Wherein the discharging state of the battery and the battery information are displayed on the external terminal through a communication unit provided in the charging device. 11. The method of claim 10,
Wherein the amount of discharged electric current is corrected by adjusting the pulse wave in the step of discharging. 15. The method of claim 14,
Wherein the correction of the discharged amount of current is performed by adjusting the frequency of the pulse wave by sensing when the difference between the amount of current set for the battery and the actual amount of current is greater than a predetermined value. Way. 11. The method of claim 10,
Wherein the discharge is performed by a constant current discharge and a constant voltage discharge in the step of performing the discharge. delete 11. The method of claim 10,
Wherein the maximum voltage of the secondary pulse wave does not exceed a maximum voltage of the primary pulse wave.

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