KR20050001286A - A solar converting device - Google Patents

Abstract

PURPOSE: Provided is a sunlight conversion device which can supply necessary power to its own battery and an output means so as to allow them to act as a charger if light exists even at the outside free from AC. CONSTITUTION: The sunlight conversion device(2) comprises a plurality of solar cells(10) which convert the irradiated sunlight into an electrical voltage; a mode conversion switch(20) which selects a first mode connecting the voltages outputted from the solar cells in parallel, and a second mode the voltages in serial; and an output means(90) which outputs each voltage from the solar cells after the first mode and the second mode are selected by the mode conversion switch. Preferably the output means(90) comprises a first charge part(30) which acts as a charger capable of charging additional battery by the voltage impressed from the solar cells when the mode conversion switch is converted into a first mode; a first output part(40) which is operated simultaneously with the first charge part and outputs the voltage from the solar cells after the conversion of a certain signal; a second charge part(50) which charges a battery self-constituted at the sunlight conversion device by the voltage impressed from the solar cells when the mode conversion switch is converted into a second mode; and a second output part(70) which is operated simultaneously with the second charge part and acts as a charging terminal supplying a certain direct voltage.

Description

Solar inverter {A SOLAR CONVERTING DEVICE}

The present invention relates to a photovoltaic device, and in more detail, it is easy to carry and, in particular, when there is light even in the absence of AC power, it is possible to selectively supply power in series or in parallel to its own battery and charger. An optical converter.

In general, mobile phones, wireless earpiece transceivers, etc. are operated by detachably mounted batteries to supply appropriate operating power to the internal circuits. Therefore, when the battery charge of the mobile phone or wireless earpiece transceiver is insufficient, the mobile phone or wireless earpiece transceiver does not operate properly, so it is used by recharging it on a charging stand. Such a charging stand is usually inconvenient to carry, so it is installed in a predetermined place and used while replacing and charging a plurality of batteries alternately.

By the way, most of the cell phone and the wireless headset transceiver is difficult to recharge the battery in the place where the electricity is not supplied, and even in the place where the electricity is supplied, it is difficult to recharge in the place where the charging station is not provided.

In order to improve such a conventional problem, various devices using solar light, which are spotlighted as alternative energy of human beings, are being developed. However, such solar light is mainly limited to solar vehicles, solar houses, and the like, but has been limited in application to chargers for charging batteries using solar light.

Accordingly, an object of the present invention is to provide a photovoltaic device that is easy to carry, and can always supply the necessary power when light is present even in the absence of AC power.

In addition, another object of the present invention is to provide a photovoltaic converter that can be output by switching the voltage from the solar cell in series or parallel if necessary.

1 is a block diagram of a solar conversion apparatus according to the present invention.

2A is a configuration diagram of a switch when the mode switch of FIG. 1 is switched to the first mode;

2b is a parallel configuration diagram of a solar cell when the mode switch of FIG. 1 is switched to the first mode;

FIG. 2C is a configuration diagram of a switch when the mode switch of FIG. 1 switches to the second mode; FIG.

2d is a series configuration diagram of a solar cell when the mode switch of FIG. 1 is switched to the second mode.

Figure 3 is a detailed configuration of the solar conversion device according to the present invention.

Explanation of symbols on the main parts of the drawings

10. Solar cell 20. Mode switch

30. First charging part 40. First output part

50 .. 2nd charging unit 60 .. Charge amount

64 .. Charge level display part 70 .. Second output part

80. Reverse current protection unit 90. Output means

The present invention for achieving this object is;

A plurality of solar cells for converting sunlight into electrical voltages, a mode switching switch for selecting and controlling a second mode in series connection with a first mode for connecting voltages output from the solar cells in parallel and the mode switching And output means for outputting voltages from the solar cells when the first mode and the second mode are selected through a switch.

In addition, the output means is a first charging unit that functions as a charger for charging a separate battery by receiving a voltage from the solar cell when the mode switching switch is switched to the first mode, the simultaneous operation with the first charging unit And a first output unit configured to output a voltage from the solar cell after a predetermined signal conversion, and when the mode switching switch is switched to the second mode, the battery is configured in the solar converter by receiving a voltage from the solar cell. A second output unit configured to simultaneously operate with a second charging unit charging the second charging unit and supplying a predetermined DC voltage; It is characterized by including.

The first output unit may include a D / D converter which removes and outputs noise and ripple components included in a voltage from the solar cell when the mode switching switch is switched to the first mode, and is output from the D / D converter. And a first terminal unit provided with a plurality of terminals to receive and use a voltage.

The second charging unit may include a self-battery that is charged at the same time that the mode switching switch is switched to the second mode, and a PC board controlling to supply a stable voltage to the battery.

In addition, the output means is connected in parallel with the second charging unit, including a charge check unit for checking the charge amount in the second charge unit, the charge check unit switch to turn on (on) to check the charge amount of the second charge unit And a charge amount display unit displaying a charge amount of the second charge unit when the switch is turned on.

In addition, the mode conversion switch is a multi-contact solar conversion, characterized in that the switch is operated in the slide turning method to switch to the first mode when the sliding movement to one side and to the second mode to move to the other side Device.

The output means may further include a reverse current prevention unit having a diode configured at terminals B3 and D3 of the mode switching switch to prevent reverse current from flowing during the mode switching switch.

With reference to the accompanying drawings, a solar conversion apparatus according to the present invention will be understood by the embodiments described in detail below.

1 is a block diagram of a photovoltaic device according to the present invention, Figure 2a is a block diagram of a switch when the mode switch of Figure 1 is switched to the first mode, Figure 2b is a first mode switch of Figure 1 Figure 2c is a schematic diagram of the parallel configuration of the solar cell when switching to the mode, Figure 2c is a block diagram of the switch when the mode switching switch of the switch to the second mode, Figure 2d 3 is a series configuration diagram of a battery, and FIG. 3 is a detailed configuration diagram of a photovoltaic device according to the present invention.

As shown in FIG. 1, the photovoltaic converter 2 outputs at least two or more (plural) solar cells 10 that are irradiated with sunlight and converted into electrical voltages, and the solar cells 10. When the first mode or the second mode is selected through the mode switching switch 20 and the mode switching switch 20 for selecting and controlling the first mode for parallel connection of the voltage and the second mode for series connection. The first charging unit 30, the first output unit 40, the second charging unit 50, the second output unit 70, and the charge amount checking unit 60 to charge and output the voltages from the 10 units. An output means 90 including a) is provided.

According to FIGS. 2A and 2B, the mode changeover switch 20 includes terminals A1, A2, A3, B1, B2, and B3 in one row and terminals C1, C2, C3, D1, D2, and D3 in the other row. . The terminal A2 is initially configured to be common so that the terminal C3 and the terminal C3 are electrically connected to each other. The mode switching switch 20 having such a structure removes the voltage configuration from the solar cell 10 when the switching member (not shown) is moved to one side by a switch that is turned in a sliding manner. 1 mode is connected in parallel. For reference, the mode changeover switch 20 is divided into a first region 22 and a second region 24 for detailed description.

In the above-described parallel connection, as shown in FIG. 2A, the terminal A2 provided in the first region 22 is electrically connected to the terminal A1 and the terminal C2 is electrically connected to the terminal C1, and at this time, the terminal B2 provided in the second region 24 is provided. Is connected to the terminal B1, and the terminal D2 is electrically connected to the terminals D1 and C3 to connect the first (+) terminal and the third (+) terminal of the solar cell 10, as shown in Figure 2b, By connecting the second (-) terminal and the fourth (-) terminal in common, the solar cells 10 are connected in parallel, and eventually, the terminals formed in the first region 22 and the second region 24 are connected. The terminals are configured to operate simultaneously based on the terminals A2 and C2 etched in black and the terminals B2 and D2. On the other hand, the terminals B3 and D3 are connected to the diode constituting the reverse current prevention unit 80 to be described later.

As shown in FIG. 2C and FIG. 2D, the structure having the same terminal as that of the mode changeover switch 20 described above will be described here in which the mode changeover switch 20 is connected in series as a second mode.

In series connection, terminal A2 provided in the first region 22 is connected to terminal A3, terminal C2 is connected to terminal C3, terminal B2 provided in the second region 24 is connected to terminal B3, and terminal D2 is connected to terminal D3. Connected, but terminal A2 is connected to terminal C2 and terminal C3 is interconnected to terminal D1 as described above.

When the mode switch 20 is configured in a series connection as shown in FIG. 2d, the solar cell 10 has a first (+) terminal electrically connected to a fourth (-) terminal and a third (+) The terminal and the fourth (-) terminal is composed of the output terminal, and eventually, the voltage configuration of the solar cell 10 is connected in series.

Hereinafter, the configuration of the photovoltaic device will be described in more detail with reference to FIG. 3 (for reference, the output means uses the reference numeral 90 shown in FIG. 1).

First, when the solar cell 10 is irradiated with sunlight (light energy) to generate a constant voltage, assuming that the solar cell 10 generates a voltage of 0.5V per one cell 12 based on one side One solar cell 10 having five cells 12 disposed in the generates a total voltage of 2.5V, the solar cell 10 provided on the other side also generates a voltage of 2.5V.

When the two solar cells 10 are connected in parallel, as described above, the mode changeover switch 20 is operated. In this case, the solar cell 10 is connected to the first charging unit 30 and the first output unit 40 among the output means 90. A voltage of 2.5V from the cells 10 is supplied, respectively. At this time, the output voltages of the second charging unit 50 and the second output unit 70 are not supplied.

The first charging unit 30 functions as a charger capable of charging a separate battery (not shown) mounted on a mobile phone (including a mobile phone), and the first output unit 40 provides a DC JACK or the like. The output voltage is obtained by using the same, and is particularly used for a charging terminal for charging a separate battery (not shown) mounted in a mobile phone. In more detail, when the solar cells 10 are connected in parallel through the mode switch 20, a voltage is supplied, and various signal processing is performed to remove noise, ripple, and various surge voltages included in the voltage. And a D / D converter 42 for converting and outputting a signal, and a first terminal part 44 for receiving a voltage passed through the D / D converter 42 and supplying it to a (+) (−) charging terminal.

On the contrary, when the two solar cells 10 are connected in series through the mode changeover switch 20, 5V from the solar cells 10 may be connected to the second charging unit 50 and the second output unit 70. Supply voltage separately. At this time, the output voltages of the first charging unit 50 and the first output unit 40 are not supplied.

The second charging unit 50 is a battery for charging by receiving a predetermined voltage controlled through the PC board 50 is configured with a control circuit for stably converting and controlling the voltage converted by the mode switching switch 20 54 is configured. The battery 54 is preferably embedded in the solar converter 2 of the present invention, it is preferable to use a polymer battery.

The second output unit 70 performs a function of a mobile phone, in particular a mobile phone charger, and receives the voltage of the solar cell 10 for an output terminal. Terminal ①, ②, ③, the terminal ① is connected to the terminal B2 of the mode switching switch 20, the P / O + terminal provided on the PC board 52 of the first output unit 50, The terminal ③ is connected to the P / O- terminal of the PC emboss 52, and the terminal ② is connected to the terminal A1 of the mode switching switch 20. Meanwhile, the P / O- terminal is commonly connected to the (-) terminal of the D / D converter 42.

The charge amount checking unit 60 is connected in parallel to the P / O + terminal and the P / O- terminal of the second board 50 of the second charging unit 50, and the charge checking unit 60 is formed of the second charge unit 60. A switch 62 for turning on or off the charging amount of the charging unit 50 and a charging amount for displaying the charging amount of the second charging unit 50 when the switch 62 is turned on. It consists of the display part 64. The switch 62 is a dip switch, and the charge amount display unit 64 is preferably configured as an LED (not shown).

In addition, between the output means 90, that is, between the terminal B3 and the terminal D3 of the mode switching switch 20, when the mode switching switch 20 is switched from the first mode to the second mode, a reverse current flows at that time. In order to prevent the reverse current prevention unit 80 is constituted by a circuit is configured.

Hereinafter, the operation and effects thereof of the solar conversion device of the present invention will be described in detail with reference to FIGS. 1 to 3.

The photovoltaic device 2 may be connected in series or in parallel with a plurality of voltages, that is, the voltages of two solar cells 10, through a mode changeover switch 20. There is an advantage in that it can be properly supplied, in particular can be used properly for power supply of the charger. Meanwhile, in the present invention, the number of the solar cells 10 is set to two as one embodiment, but is not limited thereto and may be variously changed.

Although not shown in the drawing, the output means 90 as described above is self-contained in a small size in a photovoltaic device having a predetermined size, thereby enhancing portability and ease of use.

On the other hand, by further configuring the reverse current prevention unit 80 in the mode changeover switch 20, the current flows in reverse when the mode is switched from serial to parallel (first mode) or from parallel to series (second mode). There is an effect to prevent the excessive force to be a stable solar converter.

Although the embodiments of the present invention have been described in detail as above, the scope of the present invention is not limited thereto, and the scope of the present invention extends to the range substantially equivalent to the embodiment of the present invention.

As can be seen from the above description, the photovoltaic device according to the present invention has the effect of supplying necessary power to its own battery and output means so as to function as a charger, in particular, when light exists outside the AC power. There is.

In addition, according to the present invention, there is an advantage in that the predetermined voltage supplied from the solar cells can be selectively supplied to the output means by mode switching in series or in parallel.

Claims (7)

A plurality of solar cells for converting sunlight into electrical voltages; A mode switching switch for selecting and controlling a second mode for serially connecting a first mode for parallel connection of voltages output from the solar cells; And output means for outputting voltages from the solar cells when the first mode and the second mode are selected through the mode switching switch. The method of claim 1, The output means A first charging unit serving as a charger capable of charging a separate battery by receiving a voltage from the solar cell when the mode switching switch is switched to the first mode; A first output unit operating simultaneously with the first charging unit and outputting a voltage from the solar cell after a predetermined signal conversion; A second charging unit configured to charge a battery configured in the solar converter by receiving a voltage from the solar cell when the mode switching switch is switched to the second mode; A second output unit operating simultaneously with the second charging unit and functioning as a charging terminal for supplying a constant DC voltage; Photovoltaic inverter comprising a. The method of claim 2, The first output unit includes a D / D converter which removes and outputs noise and ripple components included in the voltage from the solar cell when the mode switching switch is switched to the first mode; And a first terminal unit provided with a plurality of terminals to receive and use the voltage output from the D / D converter. The method of claim 2, The second charging unit and a self battery which is charged at the same time the mode switch is switched to the second mode; And a PCB for controlling the supply of a stable voltage to the battery. The method of claim 2, The output means is connected in parallel with the second charging unit, including a charge amount checking unit for checking the charge amount in the second charging unit, A switch for turning on the charge amount checker to check the charge amount of the second charge part; And a charge amount display unit which displays a charge amount of the second charge unit when the switch is turned on. The method of claim 1, The mode conversion switch is a multi-contact solar conversion device characterized in that the switch is operated in a slide turning method to switch to the first mode when the sliding movement to one side and to the second mode to move to the other side. The method of claim 1, The output means And a reverse current prevention unit having a diode configured at terminals B3 and D3 of the mode switching switch to prevent the reverse current from flowing in the mode switching switch.