KR20120000788U - Portable dc/ac power supply unit - Google Patents

Abstract

The present invention relates to a portable DC AC power supply, and more particularly, a power unit including a storage battery capable of charging and discharging, a rectifier for supplying DC power, and an inverter for supplying AC power. An outlet, a cigar jack, which is connected to the rectifier or an inverter to use an AC or DC power source, a charge display unit displaying a charge amount of the storage battery, first and second fuses to prevent overload, and an AC and DC power source. The panel is equipped with a DC and AC meter that controls the amount of use of the product, and an on / off switch that cuts and applies AC and DC power to the panel, making it easy to carry and transport, and can be used for both industrial and leisure purposes. It relates to a power supply.

Description

Portable DC AC Power Supply {PORTABLE DC / AC POWER SUPPLY UNIT}

The present invention relates to a device for supplying power of direct current and alternating current with a simple portable device, and is intended for use in leisure and industry in places where electricity supply is not smooth. The present invention relates to a power supply device having a primary overcurrent protection function in a storage battery, which is supplied with a stable supply of power through a secondary rectifier and an inverter so that DC and AC power can be conveniently used.

A portable power supply, generally called an adapter, refers to a device that applies external AC power, steps down a voltage, and converts it to DC to supply power.

A variety of electronic devices, such as notebooks and PCs, are basically driven by secondary batteries built into each device. The portable power supply unit charges these secondary batteries or deteriorates the performance of secondary batteries. Used to compensate for insufficient supply capacity.

Therefore, when the user uses electronic devices and electric devices in an environment where power is not supplied from the outside (leisure, camping, etc.), they can be used only by the secondary battery built in each device. The use time is limited by the capacity of the built-in secondary battery,

When a user goes out to enjoy various leisure activities such as camping, portable electronic and electric devices that do not have a built-in secondary battery may not be used at all.

To this end, with the development of battery technology, various portable power supplies have been developed. However, conventional portable power supplies have a large volume or weight for capacity, which is inconvenient for transport and portability, or supply only DC power or AC power. It is developed to supply only a single power source, such as supplying only the source of electricity, and it is necessary for the exchange of electrical and electrical equipment required for the operation of various electronics and places according to various occupations and places, such as outdoor and farmhouse plastic houses, construction sites, leisure and camping for filtration life, etc. There was a problem that can not be used while selectively satisfying all of the DC power supply.

Accordingly, there is an urgent need for the development of a portable power supply device that is easy to carry and transport, can supply both a DC power source and an AC power source, and can be charged / discharged for permanent use.

The present invention has been made to solve the above problems, the object of the present invention is to embed a battery, rectifier, inverter in a single carrying case, and to supply DC and AC power through the panel, place and time The present invention provides a portable direct current ac power supply that enables convenient use of electrical devices regardless of the situation.

Other objects and advantages of the present invention will be described below and will be appreciated by the embodiments of the present invention. In addition, the objects and advantages of the present invention can be realized by the means and combinations shown in the claims.

The present invention is a means for solving the above problems, the handle 14 is installed to be transported in a portable, the main body 11 to form an installation space 12 therein, and one end of the main body 11 A carrying case 10 which is hinged to the other side and has a cover 15 which allows the other end to be detachable by the main body 11 and the detachable means 17 to allow opening and closing of the main body 11; A panel 20 fixedly installed at an upper portion of the installation space 12; A storage battery 31 installed in the installation space 12 and capable of charging and discharging, an inverter 32 for converting power of the storage battery 31 into alternating current, and a power supply of the storage battery 31 is converted into direct current. A power supply unit 30 comprising a rectifier 33; A plurality of heat dissipation holes 40 bored in the panel 20 to discharge heat generated from the power supply unit 30 to the outside; A charging jack 50 installed on the panel 20 and connected to the storage battery 31 to charge the storage battery 31; A charge amount display unit 60 connected to the storage battery 31 and installed in the panel 20 to display a charge amount of the storage battery 31; An AC on / off switch 70 connected to the inverter 32 to apply or cut off AC power; An outlet 71 connected to the inverter 32 to allow an AC power source to be used; An AC meter 72 to adjust the amount of AC power applied to the outlet 71; A first fuse 73 connected between the inverter 32 and the outlet 71 to prevent an overload; A DC on / off switch (80) connected to the converter to apply or cut off DC power; A cigar jack 81 connected to the converter so that a direct current power source can be used; A DC meter (82) for controlling the amount of DC power applied to the cigar jack (81); A second fuse 83 connected between the converter and a cigar jack 81 to prevent an overload; And a control unit.

In addition, the panel 20 is divided into an AC zone α and a DC zone β, and the AC zone α is provided with an AC on / off switch 70, an outlet 71, an AC meter 72, A first fuse 73 is installed, and a DC on / off switch 80, a cigar jack 81, a DC meter 82, and a second fuse 83 are installed in the DC zone β. Or it is characterized in that for easy identification for the DC power supply operation and connection.

As described above, the present invention has an effect that can be used conveniently in a place where electricity is not supplied.

In addition, the present invention has an effect that can be used for camping, leisure, including a plastic house or construction site.

In addition, the present invention has an effect that can be easily applied to any electric device using a direct current and alternating current power.

In addition, the present invention has a compact small size, there is an effect that is easy to transport to portable.

In addition, the present invention has the effect of having versatility, practicality, economical efficiency due to the above effects.

1 is a perspective view of an embodiment showing a portable DC power supply according to the present invention.
Figure 2 is a conceptual diagram showing an embodiment of the connection relationship between the components of the portable DC power supply according to the present invention.

Before describing various embodiments of the present invention in detail, it will be appreciated that the application thereof is not limited to the details of construction and arrangement of components described in the following detailed description or illustrated in the drawings. The present invention can be implemented and carried out in other embodiments and can be carried out in various ways. In addition, device or element orientation (e.g., "front", "back", "up", "down", "top", "bottom" Expressions and predicates used herein with respect to terms such as ",""left","right","lateral", etc., are used only to simplify the description of the present invention, and related apparatus Or it will be appreciated that the element does not simply indicate or mean that it should have a particular direction. Moreover, terms such as "first" and "second" are used in the specification and the appended claims for purposes of illustration and are not intended to indicate or mean the relative importance or spirit.

The present invention has the following features to achieve the above object.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, and the inventor may appropriately design the concept of the term appropriately to describe its own design in the best way possible. It should be interpreted as a meaning and a concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Hereinafter, a portable DC power supply according to a preferred embodiment of the present invention with reference to Figures 1 to 2 to be described in detail.

As shown, the portable DC power supply according to the present invention is a portable case 10, the panel 20, the power supply unit 30, the heat dissipation hole 40, the charging jack 50, the charge amount display unit 60 , AC on / off switch 70, outlet 71, AC meter 72, first fuse 73, DC on / off switch 80, cigar jack 81, DC meter 82, second A fuse 83.

The carrying case 10 is to be built or installed in a variety of constituent means to be described later, to protect the constituent means from an external impact, to protect the foreign matter from entering.

To this end, the carrying case 10 has a rectangular frame shape with an open top surface (of course, the shape is a part that can be changed by the user's choice). The power supply unit 30 to be described later is An installation space 12 is formed to be internally formed, and a front end 11 is hinged to a main body 11 having a handle 14 formed thereon and a rear end of the main body 11 for convenience of transportation and transportation of a user. , The other end is made of a cover 15 to be opened and closed by the main body 11 to be detachable.

In addition, the carrying case 10 is provided with a detachable means 17 for attaching and detaching the main body 11 and the cover 15, the front end of the cover 15 forms a locking projection 16, the main body The front end of the (11) by forming a locking piece 13 corresponding to the engaging projection 16 and detachable, so that the cover 15 is covered with the main body 11 by the hinge coupling, and then the hook By fitting the pim piece corresponding to the engaging projection 16 side to lock the carrying case 10. Of course, the carrying case 10 can be opened by removing the locking piece 13 from the locking protrusion 16 while the carrying case 10 is locked and flipping the cover 15 back toward the hinge. Of course it is.

The power supply unit 30 is installed in the above-described installation space 12 of the main body 11, and is charged through a separate external charger, and the battery 31 capable of charging / discharging with an overcurrent protection function mounted therein; Inverter 32 is connected to the battery 31 and converts the power of the battery 31 to AC power, and connected to the battery 31 when the power of the battery 31 is AC power is converted to DC power Alternatively, when the power charged in the battery 31 is a DC power source, the rectifier includes a rectifier 33 used to supply a stable DC power source.

The panel 20 is fixedly installed on the upper part of the main body 11 in which the power supply unit 30 is installed, that is, the top of the installation space 12. The power supply unit 30 described above is installed in the installation space 12. The panel 20 is formed on the installation space 12, and various components connected to the inverter 32 or the rectifier 33 (charge jack 50, charge amount display unit 60, AC on / off switch (70), outlet (71), AC meter (72), first fuse (73), DC on / off switch (80), cigar jack (81), DC meter (82), second fuse (83) To be installed, so that the user can operate and connect the DC and AC power through various components formed in the panel 20.

In addition, a plurality of heat dissipation holes 40 are formed on both sides of the panel 20 to allow the heat generated during the operation of the power supply unit 30 to be discharged to the outside.

The charging jack 50 is formed in the panel 20 as described above, and has one end electrically connected to the storage battery 31 installed at the bottom of the panel 20. It is to be able to charge (31).

The charge amount display unit 60 is also formed on the panel 20 like the charging jack 50, and is electrically connected to the storage battery 31, and the charge amount in the storage battery 31 at the top of the panel 20 It is to be written in numbers.

Of course, as the charge amount display unit 60, various display elements such as a light emitting diode (LED), a liquid crystal display (LCD), including a cathode-ray tube (CRT) according to various embodiments of the user may be used. The amount of charge of the battery 31 from the outside may be configured to emit light easily or even in the dark.

The AC on-off switch 70 is electrically connected to the inverter 32 so that the inverter 32 converts and applies the power of the battery 31 to an AC power, and uses the power of the inverter 32 to the outside. Is installed between the outlet 71, the power of the inverter 32 is on / off (ON / OFF) to be applied or cut off to the outlet (71) side.

As described above, the outlet 71 is connected to the inverter 32 installed in the installation space 12 at the bottom of the panel 20 and installed on the upper surface of the panel 20. This is a place where power is supplied so that electric and electronic devices can be connected and operated.

The AC meter 72 is connected between the outlet 71 in the inverter 32, the AC meter 72 is installed on the upper surface of the panel 20, the user adjusts the AC meter 72 Through this, it is to be able to adjust the amount of AC power applied from the inverter 32 to the outlet 71.

To this end, the present invention is to increase or decrease the amount of alternating current power while rotating the alternating current meter 72, depending on the user various AC power amount in the clockwise or counterclockwise rotation direction of the regulator according to the number and scale It is possible to form a display unit (displayed on the upper surface of the panel 20 in which the control unit is formed), which is displayed as. (Of course, if the configuration to adjust the amount of AC power, such as the AC meter 72, it can be changed to various embodiments by the user.) That is, by rotating the AC meter 72 as much as the user wants AC power, It is possible to adjust the AC power provided from the outlet (71).

This method of operation is equally applicable to the AC meter 72 to be described later.

The first fuse 73 is to cut off the AC power supply when an overload occurs between the inverter 32 and the outlet 71. The first fuse 73 is connected between the inverter 32 and the outlet 71 to provide a panel ( 20) is installed.

The DC on-off switch 80 is installed on the panel 20 similarly to the AC on-off switch 70 to adjust the power to cut off and apply the power. The DC on-off switch 80 is a DC power supply. It is connected between the rectifier 33 for applying the and the cigar jack 81 connected to the rectifier 33, so that the DC power applied from the rectifier 33 can be turned on / off.

As described above, the cigar jack 81 is connected to the rectifier 33 for applying the DC power, and is installed on the panel 20, where various external electronic and electrical devices using the DC power are connected. . In other words, this is where the DC power can be used externally.

The DC meter 82 is a DC power is electrically connected between the rectifier 33 and the cigar jack 81 connected to the rectifier 33, it is installed on the upper surface of the panel 20, the user is the amount of DC power To adjust.

In this configuration, like the AC meter 72, the DC meter 82 is rotated clockwise or counterclockwise to adjust the DC power applied to the cigar jack by increasing or decreasing the amount of DC power. Of course, like the AC meter 72 described above, the display unit is displayed on the upper surface of the panel 20 near the DC meter 82, the DC power amount in the direction of the rotation of the DC meter 82 is displayed in numbers or scales. It can form.

That is, the amount of DC power applied from the rectifier 33 to the cigar jack 81 through the DC meter 82 is adjusted in accordance with electronic and electrical devices connected to the cigar jack 81 and using various DC power sources. To make it possible.

The second fuse 83 is installed between the rectifier 33 and the cigar jack 81 so as to be installed in the panel, so that the DC power is not applied to the cigar jack 81 when an overload occurs.

In addition, the outlet 71 and the cigar jack 81 described above may be formed in the panel 20 according to the user's embodiment, and the outlet 71 and the cigar jack 81 may be respectively provided. Auxiliary cover to protect may be provided separately.

In addition, in the case of the panel 20, the upper surface may be divided into an AC (AC) zone and a DC (DC) zone (β), and the AC zone (α) is a component corresponding to an AC power source. (AC on-off switch 70, outlet 71, AC meter 72, first fuse 73) is installed, the component corresponding to the DC power source (DC on-off in the DC zone β) The switch 80, the cigar jack 81, the DC meter 82, the second fuse (83) is installed so that the user, when opening and using the carrying case 10, AC or DC for use Make identification easy so that power operation and connection can be performed without confusing the power. (Of course, according to the embodiment of the user, the letter display unit on the upper surface of the panel 20 divided into the AC zone α and the DC zone β, the AC zone α is AC, and the DC zone β is DC. It may also form).

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Various modifications and changes may be made without departing from the scope of the appended claims.

10: carrying case 11: body
12: Installation space 13: Hanging piece
14: handle 15: cover
16: hook projection 17: detachable means
20: panel 30: power supply
31: storage battery 32: inverter
33: rectifier 40: heat sink
50: charge jack 60: charge amount display unit
70: AC on-off switch 71: outlet
72: AC meter 73: the first fuse
80: DC on-off switch 81: cigar jack
82: direct current meter 83: the second fuse
α: AC zone β: DC zone

Claims (2)

The handle 14 is installed to be portable and portable, the main body 11 forming an installation space 12 therein, one end is hinged to the main body 11 and the other end is attached to the main body 11 and detachable means. A carrying case (10) comprising a cover (15) to be detachable by (17) and to allow opening and closing of the main body (11);
A panel 20 fixedly installed at an upper portion of the installation space 12;
A storage battery 31 installed in the installation space 12 and capable of charging and discharging, an inverter 32 for converting power of the storage battery 31 into alternating current, and a power supply of the storage battery 31 is converted into direct current. A power supply unit 30 comprising a rectifier 33;
A plurality of heat dissipation holes 40 bored in the panel 20 to discharge heat generated from the power supply unit 30 to the outside;
A charging jack 50 installed on the panel 20 and connected to the storage battery 31 to charge the storage battery 31;
A charge amount display unit 60 connected to the storage battery 31 and installed in the panel 20 to display a charge amount of the storage battery 31;
An AC on / off switch 70 connected to the inverter 32 to apply or cut off AC power;
An outlet 71 connected to the inverter 32 to allow an AC power source to be used;
An AC meter 72 to adjust the amount of AC power applied to the outlet 71;
A first fuse 73 connected between the inverter 32 and the outlet 71 to prevent an overload;
A DC on / off switch (80) connected to the converter to apply or cut off DC power;
A cigar jack 81 connected to the converter so that a direct current power source can be used;
A DC meter (82) for controlling the amount of DC power applied to the cigar jack (81);
A second fuse 83 connected between the converter and a cigar jack 81 to prevent an overload;
Portable dc ac power supply characterized in that it comprises a.
The method of claim 1,
The panel 20
Divided into AC zone (α) and DC zone (β),
The AC zone α is provided with an AC on / off switch 70, an outlet 71, an AC meter 72, and a first fuse 73, and the DC zone β has a DC on / off switch 80. ), A cigar jack 81, a DC meter 82, a second fuse 83 is installed, so that the user can easily identify for operating or connecting the AC or DC power supply, portable DC AC power supply, characterized in that Device.

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