KR101724275B1 - Variable switch-type portable power supply - Google Patents
Variable switch-type portable power supply Download PDFInfo
- Publication number
- KR101724275B1 KR101724275B1 KR1020150156465A KR20150156465A KR101724275B1 KR 101724275 B1 KR101724275 B1 KR 101724275B1 KR 1020150156465 A KR1020150156465 A KR 1020150156465A KR 20150156465 A KR20150156465 A KR 20150156465A KR 101724275 B1 KR101724275 B1 KR 101724275B1
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- KR
- South Korea
- Prior art keywords
- unit
- voltage
- variable power
- body case
- main body
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/285—Single converters with a plurality of output stages connected in parallel
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
Description
BACKGROUND OF THE
A conventional variable power source device includes a low voltage converter that receives a commercial AC power and transforms it by an electromagnetic induction action to output a low voltage, a bridge diode that rectifies the AC current converted by the low voltage converter, A first smoothing capacitor that smoothens the smoothing capacitor uniformly and a smoothing capacitor is connected to the smoothing capacitor through a first smoothing capacitor and a smoothing capacitor through a second smoothing capacitor.
However, the conventional variable power source apparatus has a large size and heavy weight, which is inconvenient to carry and use.
SUMMARY OF THE INVENTION It is an object of the present invention to solve the problems described above and to provide a variable power source device which is stable and outputs a variety of voltages, is light in weight and small in size, and includes a rectifying part and a switching part, Fly back) method to fix the output current to 1 A.
Another object of the present invention is to provide a portable switch type variable power source device including a main body case, an AC input terminal, a low voltage conversion section, a rectification section, a switching section, a main control section, a DC output terminal and a display section.
It is a further object of the present invention to provide a portable switch type in which a main body case has a rectangular parallelepiped shape and an AC input terminal to which AC power is input from the outside is provided on one side and a 110 V to 220 V commercial AC power is input to the AC input terminal And to provide a variable power supply.
It is still another object of the present invention to provide a DC output terminal that is provided with a slit-shaped cooling hole and a cooling fan for cooling internal heat on a side surface thereof and a DC power source on the other side thereof.
It is still another object of the present invention to provide a portable switch type variable power source in which a PCB substrate including a low-voltage conversion unit, a rectification unit, a switching unit, and a main control unit is installed inside a main body case.
It is still another object of the present invention to provide a portable switch type variable power source device that receives a commercial AC power from a primary winding and transforms the secondary AC power into an alternating current by an electromagnetic induction action to output a low voltage.
It is still another object of the present invention to provide a portable switch type variable power source device which is connected to a secondary winding region of a low voltage conversion portion and rectifies a low voltage AC power outputted from a low voltage conversion portion to DC by a rectifying portion.
It is still another object of the present invention to provide a switching unit which is provided with a mode changeover switch configured to fix and convert a frequently used output voltage value and a voltage adjustment switch that can be adjusted to a voltage value other than a fixed set voltage value .
The switching unit of the portable switch type variable power source apparatus according to the present invention divides the voltage value of
It is still another object of the present invention to provide a portable switch type variable power supply device in which the main control unit (MCU) is configured to control the frequency of the switching unit and output voltage while converting an analog signal applied from the switching unit into a digital signal, .
The main control unit of the portable switch type variable power source apparatus of the present invention is further provided with a portable switch type variable power source apparatus further comprising a display unit having a mode display unit for displaying a mode and a voltage display unit for displaying a DC voltage to be outputted.
To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided a portable switch type variable power source device including a body case, an AC input terminal, a low voltage conversion unit, a rectifying unit, a switching unit, a main control unit, a DC output terminal, .
Another aspect of the portable switch type variable power source device of the present invention is that the main body case has a hexahedron shape and an AC input terminal to which AC power is inputted from the outside is provided on one side and a 110V to 220V commercial AC power source Is input.
A slit-shaped cooling hole and a cooling fan are provided on the side surface of the main body case of the portable switch type variable power source apparatus of the present invention for cooling the internal heat, and a DC output terminal And the DC output terminal includes a ground terminal that is a (-) pole.
Another feature of the portable switch type variable power source device of the present invention is that a PCB substrate including a low voltage conversion unit, a rectifying unit, a switching unit, and a main control unit is installed inside the main body case.
Another characteristic of the portable switch type variable power source device of the present invention is that the low voltage conversion unit receives a commercial AC power source as a primary winding and transforms the primary power source to a secondary winding by an electromagnetic induction action to output a low voltage.
Another aspect of the portable switch type variable power source apparatus of the present invention is that the rectifying section is connected to the secondary winding region of the low voltage converting section and rectifies the alternating current power in the low voltage state outputted from the low voltage converting section to DC.
Another characteristic of the portable switch type variable power source device of the present invention is that the switching unit is provided with a mode change switch configured to be able to change and set a frequently used output voltage value with a fixed value, And a voltage adjustable switch.
The switching unit of the portable switch type variable power source apparatus according to the present invention divides the voltage value of
In addition, the output current is fixed to 1 A by applying a flyback method to the power unit including the rectifying unit and the switching unit of the portable switch type variable power supply of the present invention.
Another characteristic of the portable switch type variable power source apparatus of the present invention is that the main control unit (MCU) converts the analog signal applied from the switching unit into a digital signal while controlling the frequency control and the output voltage to the switching unit .
The main control unit of the portable switch type variable power source of the present invention is characterized by having an analog-to-digital converter (ADC) for converting the analog signal applied from the switching unit into a digital signal.
The main control unit of the portable switch type variable power supply according to the present invention is further characterized in that a display unit having a mode display unit for displaying a mode and a voltage display unit for displaying a DC voltage to be outputted is further comprised.
As described above, the portable switch type variable power source apparatus of the present invention fixes the output current to 1 A by applying a flyback method to the power portion including the rectifying portion and the switching portion. Therefore, it is possible to make it smaller and lighter than other products that have diversified output current, so that it is easy to carry and load because of its portability.
The portable switch type variable power source device of the present invention can be set as a mode change switch by dividing the output voltage of 1V to 40V into '0 to 5' in six stages. Particularly, '0' , The required voltage can be adjusted down. Therefore, it has excellent adaptability to supply electric power in response to electric devices and experiment devices in various places except laboratories and laboratories.
1 is a schematic perspective view showing a portable switch type variable power source device of the present invention.
2 is a schematic view showing a front portion of a main body case of a portable switch type variable power source device of the present invention.
3 is a schematic diagram showing a portable switch type variable power source device of the present invention.
4 is a circuit diagram showing a portable switch type variable power source device of the present invention.
The specific features and advantages of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic perspective view showing a portable switch type variable power source device of the present invention, FIG. 2 is a schematic view showing a front face portion of a main body case of the portable switch type variable power source device of the present invention, FIG. 4 is a circuit diagram of a portable switch type variable power source device of the present invention. FIG.
1 and 2, the portable switch type variable power source device of the present invention includes a
The
110 V to 220 V commercial AC power is input to the
A slit-shaped cooling hole (not shown) and a
A
The
The
The
3, a
The low voltage conversion unit (100) of the portable switch type variable power supply device of the present invention receives a commercial AC power source as a primary winding and transforms it into a secondary winding by an electromagnetic induction action to output a low voltage.
The rectifying
A flyback system is applied to the power unit 200 'including the rectifying
A constant voltage unit (not shown) is provided between the rectifying
The
The
The '0' step, which is the lowest level of the
The main control unit (MCU) 400 of the portable switch type variable power supply of the present invention converts the analog signal applied in the switching unit into a digital signal while controlling the frequency control and the output voltage to the
The main control unit (MCU) 400 of the portable switch type variable power supply of the present invention has an analog-to-digital converter (ADC) for converting an analog signal applied from the
The main control unit (MCU) 400 of the portable switch-type variable power supply of the present invention further includes a
The
The
The
The portable switch type variable power source of the present invention has the following advantages.
The present invention applies a flyback method to the power unit 200 'including the rectifying
Therefore, it is possible to make it smaller and lighter than other products that have diversified output current, so that it is easy to carry and load because of its portability.
In the present invention, the output voltage 1V to 40V is divided into 6 stages from 0 to 5, and the '1 to 5' stage has a
Therefore, it has excellent adaptability to supply electric power in response to electric devices and experiment devices in various places except laboratories and laboratories.
10: Body case
11: Cooling fan
20: AC input terminal
23: Input cable
30: DC output terminal
31: Output power ON switch
32: Output power OFF switch
33: Output cable
100: Low voltage conversion section
200: rectification part
200 ': power unit
300:
301: Mode changeover switch
302: Voltage adjustment switch
400: main control unit (MCU)
500:
501: Mode indicator
502: voltage display section
Claims (5)
A body case 10 having a rectangular parallelepiped shape;
An AC input terminal 20 through which AC power is input from the outside to one side of the main body case;
A low voltage conversion unit (100) located inside the main body case and converting electricity applied from the AC input terminal;
A rectifying unit 200 for rectifying the AC converted by the low voltage converting unit to a direct current, and a rectifying unit connected to the rectifying unit for dividing the voltage value of DC 1 to 40V into six levels from 0 to 5, A switching unit 300 having a voltage adjustment switch 302 for setting up a set voltage value up and down and a mode changeover switch 301 for setting and setting a high frequently used output voltage value, A power unit 200 'for fixing the output current to 1 A by applying a flyback method to the alternating current converted by the low voltage converting unit;
A main controller 400 for controlling the frequency of the switching unit and controlling an output voltage thereof, converting the analog signal applied from the switching unit into a digital signal and receiving the digital signal;
And a DC output terminal (30) for outputting DC power to another side surface of the main body case,
The main control unit 400 further includes a display unit 500 having a mode display unit 501 for displaying a mode and a voltage display unit 502 for displaying a DC voltage to be outputted. Device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150156465A KR101724275B1 (en) | 2015-11-09 | 2015-11-09 | Variable switch-type portable power supply |
Applications Claiming Priority (1)
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KR1020150156465A KR101724275B1 (en) | 2015-11-09 | 2015-11-09 | Variable switch-type portable power supply |
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KR101724275B1 true KR101724275B1 (en) | 2017-04-10 |
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KR1020150156465A KR101724275B1 (en) | 2015-11-09 | 2015-11-09 | Variable switch-type portable power supply |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0888943A (en) * | 1994-09-14 | 1996-04-02 | Tamura Seisakusho Co Ltd | Output voltage regulating circuit |
JP2001161063A (en) * | 1999-11-30 | 2001-06-12 | Fujitsu Denso Ltd | Output voltage variable power supply |
KR20070117933A (en) * | 2006-06-09 | 2007-12-13 | 동국대학교 산학협력단 | Power supply for testing communication equipment |
KR100913377B1 (en) | 2009-04-06 | 2009-08-20 | (주)삼일피엔유 | A variable power supply device of an adapter style |
KR20150057044A (en) | 2013-11-18 | 2015-05-28 | (주)삼일피엔유 | Variable power supply device |
-
2015
- 2015-11-09 KR KR1020150156465A patent/KR101724275B1/en active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0888943A (en) * | 1994-09-14 | 1996-04-02 | Tamura Seisakusho Co Ltd | Output voltage regulating circuit |
JP2001161063A (en) * | 1999-11-30 | 2001-06-12 | Fujitsu Denso Ltd | Output voltage variable power supply |
KR20070117933A (en) * | 2006-06-09 | 2007-12-13 | 동국대학교 산학협력단 | Power supply for testing communication equipment |
KR100913377B1 (en) | 2009-04-06 | 2009-08-20 | (주)삼일피엔유 | A variable power supply device of an adapter style |
KR20150057044A (en) | 2013-11-18 | 2015-05-28 | (주)삼일피엔유 | Variable power supply device |
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