KR100848053B1 - Portable power pack - Google Patents

Abstract

A portable power pack is provided to be utilized as a power source in various fields and achieve miniaturization, thus improving portability, by providing a fuel/air supply unit which is connected to a DME storage tank to supply fuel to an engine, and providing an engine which performs ignition, power, compression, and exhaust stroke using the fuel transmitted through the fuel/air supply unit. A portable power pack includes a DME fuel tank(100), a fuel/air supply unit(90), a micro-engine(20), a control panel(110), and a capacitor battery(120). The DME fuel tank stores DME fuel and supplies it to an external part. The fuel/air supply unit is superposed on the DME fuel tank, and mixes the fuel with the external air to supply the mixture to the engine. The micro-engine is placed on the fuel/air supply unit and is operated in a uniflow scavenging method to perform ignition and power stroke using the supplied fuel. The control panel functions to operate and control the uniflow scavenging micro-engine. The capacitor battery supplies power to a glow plug formed on the control panel and the micro-engine, and compensates for a variation of load current generated from the micro-engine.

Description

Portable Power Packs

1 is an exploded perspective view showing a portable power pack according to an embodiment of the present invention,

2 is a combined perspective view showing a portable power pack according to an embodiment of the present invention,

3 is an exploded perspective view illustrating the fuel / air supply device of FIG. 1;

4 is a perspective view showing the fuel inlet of FIG.

5 is a perspective view showing the exhaust gas transfer unit of FIG.

6 is a perspective view showing the air inlet of FIG.

7 is a perspective view illustrating the fuel / air mixture of FIG. 3;

8 is a perspective view illustrating the lid of FIG. 3;

FIG. 9 is an exploded perspective view illustrating a micro engine of the uniflow scavenging method of FIG. 1;

FIG. 10 is a developed view illustrating an inlet of FIG. 9;

FIG. 11 is a development view illustrating the glow plug of FIG. 9;

12 is a front view showing the valve of FIG. 9,

FIG. 13 is a developed view illustrating the combustion chamber of FIG. 9;

14 is a front view illustrating the piston of FIG. 9,

FIG. 15 is a developed view illustrating a guide part of FIG. 9. FIG.

<Explanation of symbols for the main parts of the drawings>

1,3 inlet 2,7 valve

3,6: Glue plug 4: Combustion chamber

5: piston 9: guide part

12: magnet 20: engine

30: fuel inlet portion 31: the first impeller

40: exhaust gas transfer part 41: the second impeller

50: air inlet 51: third impeller

60: fuel / air mixture 70: cover

80: communication hole 90: fuel / air supply device

100: DME fuel tank 110: control panel

120: capacitor battery 200: power pack

The present invention relates to a portable power pack, and more particularly, a fuel / air supply device is formed to be connected to a DME storage tank in which a DME fuel is stored to supply fuel to an engine, and to the fuel delivered through the fuel / air supply device. By forming an engine that ignites, explodes, compresses, and exhausts, it converts mechanical power into electrical output and is used as a power source in various fields such as various portable electronic devices and independent robots. It relates to a portable power pack not received.

In general, electronic products are becoming miniaturized due to the technology of manufacturing MEMS (Micro Electro-Mechanical Systems), which emerged as a new technology in the 21st century. This has led to the rapid development of portable electronic devices such as mobile phones, PDAs, notebooks, and the like, and new technologies such as micro flying objects and microrobots have emerged, which are driving the evolution of the ubiquitous era. However, in the case of portable mobile communication devices, the display area is increased and the picture and video functions are added, and thus a high capacity power is required, and the microrobot and the like have a high power density capacitor battery or power pack for long-distance movement and long-term operation. (Power Pack, portable power generator) is essential.

The energy density of Li-ion capacitor batteries, which are currently used in small electronic devices, is about 90 W · h / kg, and can be operated for 3 to 4 hours when used continuously. After that, the capacitor batteries must be charged. Therefore, in order to face a more ubiquitous era in the future, a power pack of 500 W · h / kg or more, which enables such electronic products to be used for a long time, is essential.

However, currently used power packs are complicated in structure to be manufactured in a small size, and even if manufactured in a small size, there is a problem that it is difficult to use them because of their small capacity.

Accordingly, the present invention has been made to solve the above conventional problems,

A fuel / air supply device is formed to supply fuel to the engine by being connected to the DME storage tank in which the DME fuel is stored, and an engine for ignition, explosion, compression, and exhaust is formed by the fuel delivered through the fuel / air supply device. In addition, it converts mechanical power into electrical output and is used as a power source in various fields such as various portable electronic devices and self-supporting robots.

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

The present invention DME fuel tank is stored and supplied to the outside DME fuel;

A fuel / air supply device which is stacked on an upper side of the DME fuel tank and mixes fuel and external air to supply the engine;

A uniflow scavenging ultra compact engine stacked on top of the fuel / air supply device and supplied with fuel to ignite and explode;

A control panel for operating / controlling the portable power pack;

And a capacitor battery for supplying power to the glow plug formed in the control panel and the uniflow scavenging ultra compact engine and compensating for the load current variation generated in the uniflow scavenging micro engine. do.

In addition, the fuel / air supply device of the present invention is in communication with the outlet of the DME fuel tank is formed in the injection hole in the center portion so that the fuel is introduced, the first impeller coupled to the injection hole is rotated by the vaporization pressure of the introduced fuel And fuel inlet is formed;

An exhaust gas transfer unit stacked on an upper side of the fuel inlet unit and having a second impeller rotated by the pressure of the exhaust gas when the exhaust gas passes through the side portion and is formed at a central portion thereof;

An air inlet part which is stacked on an upper side of the exhaust gas transfer part and has a third impeller formed at a central part to introduce external air;

A fuel / air mixing unit stacked on the air inlet and formed with a through hole at the same position as the third impeller so that air is transferred through the third impeller, and the air and fuel introduced through the through hole mixed; And

The fuel / air mixture is stacked on the upper side, and is connected to the engine, characterized in that it comprises a cover portion formed with a plurality of connecting holes at both ends to transfer the fuel.

In addition, the uniflow scavenging ultra-compact engine of the present invention, the inlet is formed to correspond to both ends so that the mixture of the fuel and air transported through the fuel / air supply device is introduced into the interior;

A glow plug stacked on one side of the inlet and configured to ignite by heating a heater coil formed therein;

Mixer ignited by the glow plug is characterized in that it comprises a combustion chamber for exploding and sliding the piston formed therein left, right.

The present invention having such a feature will be more clearly described through the preferred embodiment accordingly.

Hereinafter, preferred embodiments of the present invention will be described in detail with the accompanying drawings.

1 is an exploded perspective view showing a portable power pack according to an embodiment of the present invention, Figure 2 is a combined perspective view showing a portable power pack according to an embodiment of the present invention.

1 and 2, the portable power pack 200 of the present invention is a DME fuel tank 100, a fuel / air supply device 90, a uniflow scavenging micro engine 20, It is composed of a control panel 110 and a capacitor battery (120).

The DME fuel tank 100 is a tank that can store a general DME fuel, the overall size is reduced is formed, the DME fuel tank 100 to deliver the DME fuel stored in the DME fuel tank 100 to the outside A discharge port 101 is formed at the center of the upper surface of the crankcase in communication with the fuel / air supply device. (The DME fuel is hereinafter referred to as fuel.)

Here, the outlet 101 is a non-use of the portable power pack 200, the on-off valve 102 is installed so that no more fuel is delivered, the on-off valve 102 is a DME fuel tank having the outlet 101 ( A portion of the side portion of the 100 protrudes and can be manipulated by the user.

The control panel 110 serves to operate / control the portable power pack 200, and the operation of the control panel 110 may be operated by a control button (not shown) formed at one end of a wireless control or an outer circumferential surface from the outside. Can be.

The capacitor battery 120 is formed integrally with or separate from the control panel 110, and supplies power to the glow plugs 3 and 6 of the micro engine 20 of the control panel 110 and the uniflow scavenging method. The amount of power is stored and compensates for the load current fluctuation generated in the uniflow scavenging micro engine 20.

3 is an exploded perspective view of the fuel / air supply device of FIG. 1, FIG. 4 is a perspective view of the fuel inlet of FIG. 3, FIG. 5 is a perspective view of the exhaust gas transporter of FIG. 3, and FIG. 6 is of FIG. 3. 7 is a perspective view illustrating the air inlet, FIG. 7 is a perspective view illustrating the fuel / air mixture of FIG. 3, and FIG. 8 is a perspective view illustrating the lid of FIG. 3.

As shown in FIG. 3, the fuel / air supply device 90 of the present invention includes a fuel inlet 30, an exhaust gas delivery unit 40, an air inlet 50, and a fuel / air mixture unit ( 60 and the lid part 70.

Referring to FIG. 4, the fuel inlet unit 30 is in communication with the DME fuel tank so that an injection hole 32 is formed at a central portion thereof so that fuel is introduced therein, and the fuel inlet is coupled to the injection hole 32 to vaporize the introduced fuel. The first impeller 31 is rotated under pressure. At this time, the first impeller 31 is rotated by the vaporization pressure of the fuel, the fuel is transported by the rotation and the vaporization pressure of the first impeller 31.

Here, the fuel inlet portion 30 is formed to correspond to the communication grooves 33 which communicate in both directions with respect to the injection hole 32 formed in the center portion so that the fuel is transferred through the first impeller 31 at a predetermined interval. do. In addition, when the fuel transferred through the transfer groove 33 reaches the end of the transfer groove 33, the fuel is upwardly transferred upward.

Referring to FIG. 5, the exhaust gas transfer unit 40 is stacked above the fuel inlet unit 30, and is formed at the center of the exhaust gas transfer unit 40 so that the exhaust gas generated when the engine is operated is transferred. The second impeller 41 is rotated by the pressure of the exhaust gas.

Here, the exhaust gas conveying portion 40 is formed with an exhaust gas conveying groove 42 penetrating through the side portion so that exhaust gas is conveyed through the side portion, and the exhaust gas conveying groove 42 communicates with the second impeller 41. The second impeller 41 is rotated by the exhaust gas pressure to discharge the exhaust gas to the outside. In this case, the second impeller 41 is formed so that the shape of the blade is easily rotated by the pressure of the exhaust gas, the exhaust gas transfer unit 40 is formed so that the exhaust gas can be transferred to the left and right, The second impeller 41 is connected to the upper and lower parts of the first impeller 31 and is formed to rotate together when the first impeller 31 rotates.

In addition, the exhaust gas conveyance groove 42 is formed in communication with the second impeller 41 is formed in plurality so as to branch from the side of the exhaust gas transport portion 40, the exhaust gas transport groove 42 is formed by a plurality It is effective to transfer large amount of exhaust gas quickly and easily.

In addition, a plurality of communication holes 80 are formed in the exhaust gas transfer part 40 where the exhaust gas transfer groove 42 is branched so that fuel is transferred upward, and the communication hole 80 has a fuel inlet part 30. It is formed at the same position as both ends of the transfer groove 33 of the.

Referring to FIG. 6, the air inlet part 50 is stacked above the exhaust gas transfer part 40 so that a third impeller 51 is formed in the center portion to allow the outside air to flow therein, and the outside air flows in. A plurality of air inlet holes 52 are formed on the outer circumferential surface of the air inlet 50 to communicate with the third impeller 51.

Here, the third impeller (51) is formed in the angle and width of the bend is conveyed to the upper side of the air flows through the air inlet hole 52 of the air inlet portion 50 to the upper side. At this time, the third impeller 51 is connected to the first impeller 31 and the second impeller 41 so that the first impeller 31 is rotated by the vaporization pressure of the fuel, the second impeller 41 Is rotated by the exhaust pressure of the exhaust gas.

In addition, a communication hole 80 is formed in the air inlet 50 at the same position as the communication hole 80 of the exhaust gas transfer unit 40 so that fuel is transferred upward, similarly to the exhaust gas transfer unit 40. When the air inlet unit 50 and the exhaust gas transfer unit 40 are laminated and combined, one communication hole 80 is formed.

Referring to FIG. 7, the fuel / air mixture unit 60 is stacked on the air inlet unit 50 so that external air flows through the third impeller 51 so that the outside air flows in the same manner as the third impeller 51. A through hole 61 is formed at a position, and air and fuel introduced through the through hole 61 are mixed.

In this case, the fuel / air mixing unit 60 has a communication hole 80 formed in the exhaust gas transfer unit 40 and the air inlet unit 50 to mix the air introduced through the through hole 61 with the fuel. It is formed at the same position and the fuel is introduced.

As such, the fuel / air mixture 60 communicates with the through hole 61 so that the fuel and air are mixed and transported, and the mixing groove 62 is formed at both sides around the through hole 61 at predetermined intervals. A communication hole 80 penetrates through the inner end surface (bottom surface) of the mixing groove 62.

Referring to FIG. 8, the cover part 70 is stacked on the upper side of the fuel / air mixture part 60, and a plurality of connection holes 71 are formed at both ends to be connected to the engine to transfer fuel. .

The cover part 70 is supported at the lower end of the engine coupled to the upper end of the fuel / air supply device 90 and connected to the upper part, and the fuel inlet part 30 and the exhaust gas transfer part 40 A separate coupling device (not shown) is formed at one end of the cover part 70 so that the air inlet part 50 and the fuel / air mixture part 60 are sequentially stacked and coupled in one piece.

FIG. 9 is an exploded perspective view showing the uniflow scavenging ultra compact engine of FIG. 1, FIG. 10 is an exploded view of the inlet of FIG. 9, FIG. 11 is an exploded view of the glow plug of FIG. 9, and FIG. 12 is of FIG. 9. It is a front view which shows a valve, FIG. 13 is an expanded view which shows the combustion chamber of FIG. 9, FIG. 14 is a front view which shows the piston of FIG. 9, and FIG. 15 is an expanded view which shows the guide part of FIG.

As illustrated in FIG. 9, the uniflow scavenging ultra compact engine 20 of the present invention includes an inlet 1, 8, a guide 9, a valve 2, 7, and a glow plug 3. 6 and the combustion chamber 4.

Referring to Figure 10, the inlet (1, 8) is formed in plurality corresponding to both ends of the combustion chamber (4) so that the mixture of the fuel and air transferred from the DME fuel tank is introduced into the inside.

Here, the inlet (1, 8) is formed with a plurality of inlet holes 10 communicated with the inner and outer peripheral surfaces of the inlet (1, 8) so that the conveyed mixer is introduced into the combustion chamber (4). At this time, the inlet hole 10 is formed small to prevent the flame caused by the explosion of the mixer in the combustion chamber 4 to move to the DME fuel tank (100).

Referring to FIG. 11, the glow plugs 3 and 6 are stacked and coupled to the inner circumferential surface of each inlet 1 and 8, and a heater coil formed inside the glow plug 3.6 is introduced into the mixer. 14) to ignite by glowing. Here, the insertion plug 13 is formed in the glow plugs 3 and 6 so that the valves 2 and 7 are inserted into and open at the same position as the inlet holes 10 of the inlet parts 1 and 8.

Here, the glow plugs 3 and 6 are formed with a heater coil 14 which is in a glowing state through electricity through the capacitor battery 120 formed outside, and the heater coil 14 is formed as a glow plug 3, 6) The one side is formed by protruding the terminal through which electricity passes at a predetermined interval on the outer circumferential surface, and the other side passes through the terminal from the outer circumferential surface of the glow plugs 3 and 6 to the inside so that the heater coil 14 is formed on the inner circumferential surface of the insertion hole 13 In combination with the heater coil 14 is formed to protrude a predetermined interval.

At this time, the heater coil 14 is formed in a plurality of radially around the insertion hole 13, when electricity flows into the heater coil 14 is in a red state, the introduced mixer (fuel + air) is ignited to explode do.

Referring to FIG. 12, the valves 2 and 7 are formed in the same manner as the insertion holes 13 and moved left and right by internal pressure to open and close a mixer in which fuel and air are mixed. 7) repeatedly opens and closes one side is in contact with the inlet hole (10) of the inlet (1, 8) to open and close the mixer.

In addition, a transfer hole 15 is formed at one end of the valves 2 and 7 so as to transfer fuel, and the transfer holes 15 are spaced apart from the outer circumferential surface by a predetermined distance from the center of the valves 2 and 7. A large number is formed radially.

9 and 13, in the combustion chamber 4, inlet parts 1 and 8 and glow plugs 3 and 6 are coupled to each other in a stacked manner, and the guide part 9 is formed at the last both ends. Is coupled in a lid type, the piston insert 16 is formed in the combustion chamber 4 to form a piston (5) to the left and right piston movement, the ignition by the glow plug (3, 6) The mixed mixers alternately explode on both sides of the combustion chamber 4 so that the piston slides left and right in the piston insert 16 (piston movement).

Here, the combustion chamber 4 generates exhaust gas when the mixer is ignited and exploded by the glow plugs 3 and 6, and the combustion chamber 4 is formed on the inner circumferential surface of the piston insert 16 to discharge the exhaust gas to the outside. A plurality of exhaust ports 17 communicating with the outer circumferential surface of is formed.

In addition, a magnet coupling hole 4a is formed at both end surfaces of the combustion chamber 4 so that the magnet 12 is inserted, and the magnet 12 has a piston for piston movement left and right in the piston insert 16. The electricity is generated by 5), and the electricity is used to charge the capacitor battery 120 or where necessary outside.

Referring to FIG. 14, the piston 5 is formed in a shaft, and piston headers 18 are formed at both ends, and the piston header 18 is formed to be in contact with the inner circumferential surface of the piston insert 16 of the combustion chamber 4. do.

In addition, one coil 11 is wound around the shaft outer circumferential surface of the piston 5, and the coil 11 generates electricity by the magnetic field of the magnet 12 when the piston 5 moves left and right. And communicates with others.

In addition, the winding of the coil 11 has a start point and an end point formed upward, and is connected to the capacitor battery 120 or connected to the outside.

At this time, the piston header 18 is formed of a material that is flat and endurable so that the piston 5 slides to one side due to shock when the mixer is ignited and exploded by the glow plugs 3 and 6. .

Referring to FIG. 15, the guide part 9 is formed at both ends of the inflow parts 1 and 8, and is in contact with one end surface of the guide part 9, that is, the inflow parts 1 and 8. A guide groove 9a is formed such that a mixer in which fuel and air are mixed on the surface flows into the inlet hole 10 of the inlet parts 1 and 8.

Here, the guide groove (9a) is formed so that the mixer is introduced into the lower surface of the guide portion (9) the plurality of inlet holes 10 so that the mixer is introduced into the inlet hole (10) of the inlet (1, 8). ) Is formed to a size that can contain all.

As described above, the portable power pack of the present invention is connected to the DME storage tank in which the DME fuel is stored, and a fuel / air supply unit is formed to supply fuel to the engine, and the fuel delivered through the fuel / air supply unit By forming an engine that ignites, explodes, compresses, and exhausts, it converts mechanical power into electrical output and is used as a power source in various fields such as various portable electronic devices and independent robots. There is no effect.

Claims (13)

DME fuel tank is stored and supplied to the outside DME fuel tank (100); A fuel / air supply device (90) stacked on an upper side of the DME fuel tank (100) to supply fuel to the engine by mixing fuel and external air; A uniflow scavenging micro engine 20 which is stacked on the fuel / air supply device 90 and is supplied with fuel to ignite and explode; A control panel (110) for operating / controlling the uniflow scavenging ultra compact engine (20); Supplying power to the glow plug formed in the control panel 110 and the uniflow scavenging micro engine 20, and compensates for the load current fluctuation generated in the uniflow scavenging micro engine 20 Capacitor battery 120; Portable power pack, characterized in that comprises a. The method of claim 1, The DME fuel tank (100) is a portable power pack, characterized in that the outlet 101 is formed to deliver fuel to the fuel / air supply unit 90 in the center of the upper surface. According to claim 1, wherein the fuel / air supply device 90, The first injection hole 32 is formed in the center portion in communication with the discharge port 101 of the DME fuel tank 100 so that the fuel is introduced, and coupled to the injection hole 32 to rotate at the vaporization pressure of the introduced fuel. A fuel inlet unit 30 in which an impeller 31 is formed; The exhaust gas transfer unit 40 is stacked on the fuel inlet unit 30, and the second impeller 41 is rotated by the pressure of the exhaust gas when the exhaust gas penetrates and is transported through the side part. ; An air inlet part 50 stacked on an upper side of the exhaust gas transfer part 40 and having a third impeller 51 formed at a central part to introduce external air; A through hole 61 is formed at the same position as the third impeller 51 so that air is introduced through the third impeller 51 by being stacked on the upper side of the air inlet 50. A fuel / air mixing unit 60 in which air and fuel introduced therethrough are mixed; And A cover part 70 stacked on an upper side of the fuel / air mixture part 60 and having a plurality of connection holes 71 formed at both ends at the ends thereof so as to be connected to the engine to transfer fuel; Portable power pack, characterized in that comprises a. According to claim 1, The uniflow scavenging micro engine 20, Inlets (1,8) formed corresponding to both ends of the engine (20) so that a mixer in which the fuel and air mixed through the fuel / air supply device (90) are mixed is introduced into the inside; A guide part 9 formed at both ends of the inlet parts 1 and 8 and provided with a guide groove 9a to allow the mixer to enter the inlet parts 1 and 8; A glow plug (3, 6) laminated on one side of the inlet (1, 8) to ignite by heating the heater coil (14) formed therein; A combustion chamber (4) in which a piston (5) wound around a coil (11) is wound on the outer circumference of the mixer ignited by the glow plugs (3,6) and slid left and right from the inside; Portable power pack, characterized in that comprises a. The method of claim 3, wherein The fuel inlet unit 30 is a portable power pack, characterized in that the transfer groove 33 is formed at a predetermined interval so that the fuel is transferred to communicate with both sides around the injection hole 32 formed in the center portion. The method of claim 3, wherein The exhaust gas transfer part 40 is a portable power pack, characterized in that the exhaust gas transfer groove 42 passing through the side portion so as to communicate with the second impeller 41 is formed in communication with the exhaust. The method of claim 3, wherein Portable power pack, characterized in that the outer circumferential surface of the air inlet 50 is formed with a plurality of air inlet hole 52 so that the outside air is introduced by the third impeller (51). The method of claim 3, wherein The fuel / air mixing unit 60 communicates with the through hole 61 to form mixing grooves 62 having a predetermined interval on both sides around the through hole 61, and the fuel and air mixtures are formed through the mixing groove 62. Portable power pack characterized in that the air is mixed and transported. The method of claim 3, wherein The fuel injected through the fuel inlet 30 is injected into the exhaust gas transfer unit 40, the air inlet unit 50, and the fuel / air mixture unit 60 through the connection hole 71 of the cover unit 70. Portable power pack, characterized in that the communication hole 80 is formed in the same position to be transferred to each. The method of claim 4, wherein The combustion chamber 4 is provided with a plurality of exhaust ports 17 communicating internally and externally so that the mixer discharges the exhaust gas generated by ignition and explosion to the outside, and a plurality of magnets on both sides of the combustion chamber 4. Portable power pack, characterized in that the electricity is generated by sliding the left and right of the piston (5) is inserted (12) coil. The method of claim 4, wherein The inlet (1,8) is a portable power pack, characterized in that a plurality of inlet holes (10) are formed to communicate so that the mixture of fuel and air is delivered to the combustion chamber (4). The method of claim 4, wherein Portable power pack, characterized in that the valve (2,7) is formed between the inlet (1,8) and the glow plug (3,6) to control the opening and closing of the mixer mixed with fuel and air. The method of claim 4, wherein The glow plug (3, 6) is a portable power pack, characterized in that a plurality of radially formed heater coils (14) connected to a capacitor battery (120) formed outside so that the mixer is ignited in a red state.

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