KR100266515B1 - Method and the apparatus of charge to the microprocessor - Google Patents

Abstract

PURPOSE: A charging method using microprocessor and an apparatus thereof are respectively provided to charge abruptly a battery by charging the battery using a constant current. CONSTITUTION: The charging apparatus using a microprocessor includes a synchronizing part(30) for maintaining a phase of an alternating current voltage which is inputted through an input driving part(20) from a power source(10). A phase control part(40) controls a charging mode of a battery(B) based on an output signal from synchronizing part(30). A phase rectifying part(50) rectifies an output signal of the phase control part(40) to generate a rectified current signal. A filter and hole device(60) removes a noise from the rectified current signal of the phase rectifying part(50). A detecting control part(70) detects a charging temperature of the battery(B) and generates a detecting signal corresponding to the charging temperature. A processor central part(90) controls the phase control part(40) based on a digital detecting signal which is generated by converting the analog detecting signal into the digital detecting signal by an A/D converter(80).

Description

Charging method and device using a microprocessor

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging method and apparatus using a microprocessor, and in particular, to the initial charging current using a microprocessor and a Hall element to automatically charge and control the current and voltage of the battery. It provides the maximum rapid charging by supplying the charge amount to each cell of the battery evenly and automatically converts it into the constant voltage state to control the temperature rise of the battery and check the operation status of all circuits to fully charge the battery. The present invention relates to a charging method and apparatus using a microprocessor to prevent abnormalities.

Conventional battery charger is a leak-type quasi-voltage charging method that controls the leakage current by using the magnetic flux density of core as the charging current, and the configuration circuit is simple, but the leakage charger basically uses the current and voltage sensing circuit. Since the charging current is irregularly controlled due to the condition of the lead-acid battery or the characteristics of the transformer because it cannot be inserted, there is a problem of overcharge and undercharge and an uncontrollable overcurrent in the workplace with an irregular input voltage. Since the specific gravity, temperature, and current are uneven in the process, there is a problem that the life of the battery is shortened.

In addition, the charging method of the leakage type charger does not suppress the magnetic leakage resistance current in the control method due to the characteristics of the lead-acid battery, which shortens the life of the battery and the average daily use time rate of the charged battery is also about 60% to 70%. There is a problem that cannot be used.

The present invention has been made to solve the above problems of the prior art, by using a microprocessor and the Hall element to make the initial charging current constant current to maximize the rapid charging and to supply the charge amount for each cell of the battery evenly and constant voltage Provides a charging method using a microprocessor that controls the temperature rise of the battery by maintaining the transition to a state, maintains the specific gravity and voltage properly, and checks the state of all circuits due to the self-diagnosis function so that there is no problem to fully charge the battery. Its purpose is to.

Another object of the present invention is to provide a charging device using a microprocessor suitable for implementing the charging method using the microprocessor.

The object of the present invention is to turn on the power supply unit for applying AC power, and the output power of the power supply unit is normally on and the input switch acts as a fuse on the input side and automatically turns on when the initial charging is started and the state of charge is fully charged. Input drive switching switch to automatically turn off when the initial charge and full charge voltage is sensed, the input drive switching switch to turn on, off and supply the DC power, and the AC drive of one side by the electromagnetic induction action The input driver comprising a transformer for modifying the circuit and supplying it to the other circuit, a synchronization signal for maintaining the AC power signal phase output from the input driver, and controlling the gate of the thyristor by the output signal of the synchronization signal. Phase control unit for distinguishing and controlling constant current charging and constant voltage charging, and this phase rectification A phase rectifying unit for applying an AC output signal of the signal to a bridge circuit, which is a rectifying action circuit, to be output to a DC power source, and preventing noise of current and voltage, which are signals output from the phase rectifying unit, and preventing the influence of the third high frequency wave. The filter and hall element unit for erasing the control signal, and the output signal of the filter and hall element unit detects the initial charging voltage of the battery and automatically charges the battery, and detects whether the battery is constant current charging or constant voltage charging. A detection control unit for sensing a charging temperature through a sensor, an A / D conversion unit for converting an analog signal output from the detection control unit into a digital signal, an output signal of the input driver unit, an output signal of the synchronization signal unit, and Processor central unit for monitoring and controlling the phase control unit by calculating and controlling the output signal of the A / D conversion unit Made is obtained.

1 is a block diagram illustrating the present invention.

2 is a detailed circuit diagram showing a phase rectifying part, a filter, and a Hall element part of the block configuration of the present invention.

* Explanation of symbols for main parts of the drawings

10: power supply unit 20: input drive unit

30: synchronization signal unit 40: phase control unit

50: phase rectifier 60: filter and Hall element

70: detection control unit 80: A / D conversion unit

90: processor center part B: battery

TS: Temperature sensor SCR1 ~ SCR6: Control rectifier

CR1 ~ CR6: Time constant G1 ~ G6: Gate stage of control rectifier

F: Filter HA: Constant Current Hall Element

HV: Constant voltage Hall element T: Thyristor

Next, a charging method using a microprocessor for achieving the above object of the present invention will be described.

A power supply unit for applying AC power, an output switch of this power supply unit that is normally turned on, and an input switch that acts as a fuse on the input side, automatically turns on when initial charging is started, and turns off automatically when the charging state is fully charged. Input drive changeover switch and initial charge and full charge voltage are sensed to turn on and off the input drive changeover switch and input drive power supply controller for supplying DC power and electromagnetic induction action to change one side AC power to other circuit. An input driver consisting of a transformer for supplying, a synchronization signal part for maintaining the AC power signal phase output from the input driver, and a gate of the control rectifier by the output signal of the synchronization signal part to control the constant current charging and the constant voltage charging. Phase control unit for distinguishing and controlling the AC output signal A phase rectifying unit for applying to a bridge circuit to be output to a DC power source, and for preventing noise of current and voltage, signals output from the phase rectifying unit, preventing the influence of a third high frequency wave, and canceling the control signal. Automatically detects the initial charging voltage of the battery based on the filter and the Hall element and the output signal of the filter and the Hall element, and detects whether the battery is charged with constant current or constant voltage.The temperature is measured by the temperature sensor in the battery. A detection controller for sensing, an A / D converter for converting an analog signal output from the detection controller into a digital signal, an output signal of the input driver, an output signal of the synchronization signal unit, and an output of the A / D converter It is composed of a processor center for monitoring and controlling the phase control unit by calculating and controlling the signal.

With reference to the accompanying drawings shown in Figures 1 and 2 of the apparatus of the present invention for implementing the method of the present invention will be described the technical configuration.

The power supply unit 10 for applying AC power, and the output power of this power supply unit are normally turned on and automatically turned on at the start of initial charging and the input switch which acts as a fuse on the input side, and automatically when the state of charge is fully charged. Input drive switching switch to turn off and the initial charge and full charge voltage is sensed to turn on and off the input drive switching switch and input drive power controller for supplying DC power, and by inductive action to modify the AC power of one side An input driver 20 comprising a transformer for supplying to the other circuit, a synchronization signal unit 30 for maintaining the AC power signal phase output from the input driver, and an output signal of the control rectifier. Phase control unit 40 for controlling the gate to distinguish between constant current charging and constant voltage charging, and the AC output of the phase control unit A phase rectifier 50 for applying a signal to a bridge circuit for rectifying and outputting the signal to a DC power source, and preventing noise of current and voltage, which are signals output from the phase rectifier, and preventing the influence of a third high frequency wave, The filter and the hall element unit 60 for erasing the control signal and the output signal of the filter and the hall element unit sense the initial charge voltage of the battery B and automatically charge the battery B. A detection controller 70 for detecting whether the battery is a constant voltage charge and detecting the charging temperature through the temperature sensor TS in the battery B, and an A / D conversion for converting the analog signal output from the detection controller into a digital signal. The phase controller 40 calculates and controls the unit 80, the output signal of the input driver 20, the output signal of the synchronization signal unit 30, and the output signal of the A / D converter 80. To control and monitor A central portion comprised of a processor (90).

FIG. 2 is a detailed circuit diagram illustrating the phase rectifying unit 50, the filter and the Hall element unit 60 in the configuration of the present invention, wherein the phase rectifying unit 50 has a control rectifier SCR1 and a control rectifier SCR4 connected in series. And a time constant CR1 and a time constant CR4 are connected in series, the control rectifiers SCR1 and SCR4 and the time constants CR1 and CR4 are connected in parallel, and a control rectifier SCR2 and a silicon control regulator SCR5. ) Is connected in series, the time constant CR2 and the time constant CR5 are connected in series, the control rectifiers SCR2 and SCR5 and the time constants CR2 and CR5 are connected in parallel, and the control rectifier SCR3 is controlled. The rectifier SCR6 is connected in series, the time constant CR3 and the time constant CR6 are connected in series, the control rectifiers SCR3 and SCR6 and the time constants CR3 and CR6 are connected in parallel, and the input driver The three output signals of 20 are connected between the control rectifiers SCR1 to SCR6 and between the time constants CR1 to CR6, respectively. The gate terminal (G1 ~ G6) of the rectifier (SCR1 ~ SCR6) has been respectively connected to the output end (G1a ~ G6a) of the phase control unit 40 is made to output the direct current power source.

In addition, the filter and the Hall element unit 60 is a thyristor for maintaining a stable state of the circuit between the filter (F) and the constant current Hall element (HA) in series and between the filter (F) and the constant current Hall element (HA) (T) is connected in parallel, and the constant current Hall element HA and the constant voltage Hall element HV are connected in parallel, and the output terminals A1 and A2 of the constant current Hall element HA and the constant voltage Hall element HV The output terminals V1 and V2 are connected to the input terminals A1a, A2a, V1a and V2a of the detection control unit 70 so as to prevent the noise of the current and the voltage and the influence of the third high frequency.

The operation of the present invention as described above will be described with reference to FIGS. 1 and 2. When AC power is applied to the power supply unit 10, the input terminal 20 is operated after checking the voltage terminal of the battery B. At this time, the input drive switching switch of the input driving unit 20 automatically switches on (ON) when the initial charging is started, and switches the switch to automatically turn off (OFF) when the charging state is full, the input of the input driving unit 20 A drive power control function detects initial charge and full charge voltage to turn on and off the input drive changeover switch, and outputs DC power to the processor central portion 90. The transformer of the input drive portion 20 supplies AC power to one side. The signal is modified and output to the control rectifiers SCR1 to SCR6 and time constants CR1 to CR6 of the synchronization signal unit 30 and the phase rectifier 50 which are the other circuits.

The synchronization signal unit 30 maintains the AC power signal phase output from the transformer of the input driver 20 as it is and outputs to the phase control unit 40 and the processor central unit 90, respectively, and the phase control unit 40 The gates G1 to G6 of the control rectifiers SCR1 to SCR6 are controlled to output constant current charging and constant voltage charging, and the phase rectifier 50 controls AC power of the input driver 20 to control rectifiers SCR1 to SCR6. SCR6) and time constants (CR1 to CR6) are output to the DC power supply.

The filter and hall element unit 60 prevents noise of current and voltage according to the output signal of the phase rectifying unit 50, prevents the influence of the third high frequency wave, and erases the control signal by the filter F.

The detection control unit 70 detects the initial charging voltage of the battery (B) and automatically charges the battery, and detects whether the charging of the battery (B) is constant current charging or constant voltage charging so that the full charge voltage increases due to the supply of the charging current. When the voltage is automatically detected and switched to the constant voltage charging method to supply the charging current, and the temperature sensor by the temperature sensor (TS) of the battery (B) to operate to protect the loss and life of the battery.

The processor central unit 90 not only controls the input / output signal, but also calculates the charging time and the charging amount of the battery and controls to cut off the power of the input driver 20 when the full charge signal is detected, and the discharge amount of the battery B. Depending on the charging time is different, but if the battery is completely 100% discharge to prevent overcharge and undercharge and the full charge time to calculate the 7 hours to operate the metal charge.

As described above, the present invention uses the microprocessor and the Hall element to control the temperature rise of the battery by not only supplying the charging amount to each cell of the battery evenly, but also maintaining the conversion to the constant voltage state. It checks the operation condition of all circuits to make sure that the battery is fully charged and has the effect of extending the life of the battery.

In addition, the present invention has the effect of preventing the influence of intermittent noise generated in the current and voltage of the charging device and the third high frequency generated from the outside.

Finally, since the charging method and apparatus of the present invention are used in a factory for producing an industrial vehicle or a charger such as an electric forklift, it is a very useful invention that can maximize work efficiency and product productivity due to stable vehicle operation.

Claims (4)

A power supply unit for applying AC power, an output power supply of this power supply unit to be normally turned on, a pressure switch acting as a fuse on the input side, and automatically turned on when initial charging is started, and automatically turned off when the charging state is fully charged. Input drive changeover switch and initial charge and full charge voltage are sensed to turn on and off the input drive changeover switch and input drive power supply controller for supplying DC power and electromagnetic induction action to change one side AC power to other circuit. An input driver consisting of a transformer for supplying, a synchronization signal part for maintaining the AC power signal phase output from the input driver, and a gate of the control rectifier by the output signal of the synchronization signal part to control the constant current charging and the constant voltage charging. Phase control unit for distinguishing and controlling the AC output signal A phase rectifying unit for applying to a bridge circuit to be output to a DC power source, and for preventing noise of current and voltage, signals output from the phase rectifying unit, preventing the influence of a third high frequency wave, and canceling the control signal. Automatically detects the initial charging voltage of the battery based on the filter and the Hall element and the output signal of the filter and the Hall element, and detects whether the battery is charged with constant current or constant voltage.The temperature is measured by the temperature sensor in the battery. A detection controller for sensing, an A / D converter for converting an analog signal output from the detection controller into a digital signal, an output signal of the input driver, an output signal of the synchronization signal unit, and an output of the A / D converter And a processor central part for monitoring and controlling the phase controller by calculating and controlling a signal. Charging method using a microprocessor. A power supply unit 10 for applying AC power, an input switch that normally turns on the output power of the power supply unit, and acts as a fuse on the input side, automatically turns on when initial charging is started, and automatically when the state of charge is fully charged. Input drive switching switch to turn off and the initial charge and full charge voltage is sensed to turn on and off the input drive switching switch and input drive power controller for supplying DC power, and by inductive action to modify the AC power of one side An input driver 20 comprising a transformer for supplying to the other circuit, a synchronization signal unit 30 for maintaining the AC power signal phase output from the input driver, and an output signal of the control rectifier. Phase control unit 40 for controlling the gate to distinguish between constant current charging and constant voltage charging, and the AC output signal of the phase control unit A phase rectifier 50 for applying a call to a bridge circuit for rectifying and outputting the signal to a DC power source, and preventing noise of current and voltage which are signals output from the phase rectifier, and preventing the influence of the third high frequency wave. The filter and the hall element unit 60 for erasing the control signal and the output signal of the filter and the hall element unit sense the initial charge voltage of the battery B and automatically charge the battery B. A detection controller 70 for detecting whether the battery is a constant voltage charge and detecting the charging temperature through the temperature sensor TS in the battery B, and an A / D conversion for converting the analog signal output from the detection controller into a digital signal. The phase controller 40 calculates and controls the unit 80, the output signal of the input driver 20, the output signal of the synchronization signal unit 30, and the output signal of the A / D converter 80. To control the surveillance A charging device with a microprocessor which comprises a processor, a central portion (90). According to claim 2, The phase rectifier 50 is a control rectifier (SCR1) and a control rectifier (SCR4) is connected in series, a time constant (CR1) and a time constant (CR4) in series is connected to the control rectifier (SCR1, SCR4) ) And the time constants CR1 and CR4 are connected in parallel, a control rectifier SCR2 and a silicon control regulator SCR5 are connected in series, and a time constant CR2 and a time constant CR5 are connected in series. (SCR2, SCR5) and the time constant (CR2, CR5) is connected in parallel, the control rectifier (SCR3) and the control rectifier (SCR6) is connected in series, the time constant (CR3) and time constant (CR6) is connected in series The control rectifiers SCR3 and SCR6 and the time constants CR3 and CR6 are connected in parallel, and the three output signals of the input driver 20 are between the control rectifiers SCR1 to SCR6 and the time constant ( Respectively connected between CR1 to CR6, and the gate terminals G1 to G6 of the control rectifiers SCR1 to SCR6 are connected to the output terminals G1a to G6a of the phase controller 40, respectively. It has been charging device using a microprocessor which comprises a direct-current power supply to output. The filter and the Hall element unit 60 is a filter (F) and the constant current Hall element (HA) is connected in series and the stable state of the circuit between the filter (F) and the constant current Hall element (HA) Thyristor (T) for maintaining is connected in parallel, the constant current Hall element (HA) and the constant voltage Hall element (HV) is connected in parallel and the output terminal (A1, A2) and the constant voltage Hall element of the constant current Hall element (HA) Output terminals (V1, V2) of the (HV) are connected to the input (A1a, A2a, V1a, V2a) of the detection control unit 70 to prevent noise of the current and voltage and the influence of the third high frequency Charging device using a microprocessor.

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