JP3155353U - Portable water heater - Google Patents

Abstract

[PROBLEMS] To provide a portable water heater that can make hot water efficiently and economically in a short time and can be used anywhere indoors or outdoors. A portable water heater (1) includes a tank (19) for storing water, an inner column (25) in which four substantially cylindrical heating chambers (21 to 24) are recessed in the bottom of the tank (19), and a tank. The exhaust pipe 14 penetrates the inner pot 25 and is connected to the inner hook 25, and the plurality of heating pipes 242 are connected to the tank 19 at both ends thereof. . Since the water heated inside the heating pipe 242 moves efficiently from the lower side to the upper side of the inclined heating pipe 242 and promotes convection inside the tank, extremely efficient boiling can be achieved. [Selection] Figure 5

Description

  The present invention relates to a portable water heater. Specifically, the present invention relates to a portable water heater that can efficiently and economically make hot water in a short time and can also be used as a cooking device.

  Due to natural disasters such as typhoons, floods caused by long rains, landslides, earthquakes, tsunamis, and human disasters such as large-scale accidents, fires, terrorism, and wars, public facilities such as electricity, gas, and water, and communications such as telephone and Internet When facilities, roads, transportation facilities, and other logistics facilities are destroyed and lifelines are cut off, victims are forced to evacuate at evacuation centers such as gymnasiums and public halls until they are disseminated. Become.

  In such disaster-stricken areas, as the evacuation life becomes longer, problems such as meals, toilets, and bathing become more serious. The kitchen has been equipped with cooking utensils such as kettles, temporary toilets, and temporary showers.

  As a facility for such a disaster, a cassette gas stove is used because it can be easily heated and cooked using a cooking device such as a kettle or a pot when selecting a relatively place.

  However, since the cassette gas stove is weak in thermal power, it takes time to boil and cook, and because there is a limit to the amount of fuel stored in the cartridge type gas cylinder, it is necessary to save fuel as much as possible. There was a need for more efficient water heaters and cookers that could be used. In addition, the cassette gas stove is susceptible to wind and is not suitable for outdoor use, and there is a need for a water heater that can be used stably even in adverse outdoor environments using the cassette gas stove. It was.

  The present invention has been made in view of the above-described problems of the prior art, and an object of the present invention is to provide a portable water heater that can efficiently and economically make hot water in a short time. .

  Another object of the present invention is to provide a portable water heater that can be used anywhere, indoors or outdoors, is small, has excellent portability, and can be manufactured at low cost.

  The above object of the present invention is achieved by the following means.

  (1) That is, the present invention is a portable water heater for boiling water using a cassette gas stove or a cassette gas torch burner, and a tank for storing water, and a concave portion provided at the bottom or side of the tank. A hook, an exhaust pipe that passes through the tank and is connected to the inner pot, and a heating pipe that is inclined and bridged in the inner pot and has both ends communicated with the tank. It is a portable water heater.

  (2) The present invention is also the portable water heater according to (1), wherein the portable water heater includes a plurality of the heating tubes.

  (3) The present invention is the portable water heater according to (1) or (2), further including a heating plate attached to an outer wall of the heating pipe.

  (4) The present invention is also the portable water heater according to (3), wherein the heating plate is an annular fin or a spiral fin.

  (5) The present invention is also characterized in that the inner hook has a substantially prismatic shape, a substantially cylindrical shape, a substantially elliptical columnar shape, a substantially truncated pyramid shape, a substantially truncated cone shape, a substantially truncated elliptical cone shape, a substantially truncated hemispherical shape, The portable water heater according to any one of (1) to (4), wherein a plurality of substantially semi-elliptical heating chambers are recessed in a multistage manner.

  (6) The present invention is also characterized in that the tank is composed of a body having an upper surface opened and a lid body detachably fitted to the opening of the body. The portable water heater according to any one of (5).

  (7) The present invention is also characterized in that the exhaust pipe includes an exhaust port cap at the exhaust port, and the exhaust port cap has a confirmation window for confirming the ignition state of the burner through the exhaust pipe. The portable water heater according to any one of (1) to (6).

  (8) The present invention is the portable water heater according to any one of (1) to (7), further including a hot water supply faucet communicating with the tank.

  (9) The present invention is the portable water heater according to any one of (1) to (8), further including a cassette gas stove or a cassette gas torch burner.

  (10) The present invention further includes a stove housing portion that houses a cassette gas stove, and the stove housing portion is characterized in that at least a portion that houses the burner of the cassette gas stove is surrounded by a windbreak wall. It is a portable water heater according to any one of (1) to (9).

  (11) The present invention is also the portable water heater according to any one of (1) to (10), which is a water heater for disaster prevention, a pan or a kettle.

  (12) The present invention further includes a portable shower comprising a pump and a shower head connected to the pump via a shower hose. Any one of (1) to (11) The portable water heater described in the item.

  The portable water heater of the present invention is a portable water heater that uses a cassette gas stove or a cassette gas torch burner, and has a tank for storing water and an inner pot recessed at the bottom or side of the tank. A plurality of heating pipes penetrating the tank and connected to the inner hook, and a plurality of heating pipes that are inclined and bridged in the inner hook and communicated with the tank at both ends. By exchanging heat between the hot exhaust gas passing through the exhaust pipe and the water in the tank, it is possible to perform boiling more efficiently, and the water in each heating pipe can be obtained from the heat of the burner of the cassette gas stove. In addition to the heat transfer to the heater, the heating pipes are inclined in the inner pot so that the water heated inside the heating pipes is inclined from the bottom to the top of the inclined heating pipes. Convection inside the tank Since promoted to further achieve high efficiency boiler.

  Further, the portable water heater of the present invention further includes a heating plate that is an annular fin or a helical fin attached to the outer wall of the heating tube, so that high efficiency of heat transfer can be realized at low cost. .

  In the portable water heater of the present invention, the inner pot has a plurality of heating chambers, such as a substantially prismatic shape and a substantially cylindrical shape, which are recessed in a multi-tiered manner. Heating area can be increased, hot water can be made efficiently and economically in a short time, and a portable water heater can be manufactured at low cost because the inner kettle does not require a complicated structure. .

  Further, in the portable water heater of the present invention, since the tank is composed of a trunk having an upper surface opened and a lid that is detachably fitted to the opening of the trunk, the lid is removed and the opening is opened. Ingredients can be introduced from the section, and it can also be used as a cooking device such as a pot or a pot other than a water heater.

  Moreover, the portable water heater of the present invention prevents the back wind because the exhaust pipe has an exhaust cap at the exhaust outlet, and the exhaust cap has a confirmation window for confirming the ignition state of the burner through the exhaust pipe. Not only can it be performed, but also the ignition status of the burner of the cassette gas stove can be confirmed.

  Moreover, since the portable water heater of the present invention further includes a hot water supply faucet communicating with the tank, hot water can be supplied when necessary.

  Moreover, since the portable water heater of this invention is further provided with the cassette gas stove or the cassette gas torch burner, it can be used anywhere regardless of indoors or outdoors.

  Further, the portable water heater of the present invention further includes a stove accommodating portion for accommodating a cassette gas stove, and the stove accommodating portion is surrounded by a windbreak wall at least at a portion for accommodating the burner of the cassette gas stove. Can burn stably without being affected by wind.

  Moreover, since the portable water heater of the present invention has the above-described configuration, it can be used as a water heater for disaster prevention, a pot, a kettle or the like, or connected to a pump and a front pump via a shower hose. By further providing a portable shower comprising a shower head, hot water can be supplied using this shower.

It is a perspective view which shows the external structure of the portable water heater 1 concerning the 1st Embodiment of this invention. 1 is a plan view of a portable water heater 1. 1 is a front view of a portable water heater 1. It is a bottom view of portable water heater 1. It is AA sectional drawing which shows the internal structure of the portable water heater. It is a conceptual diagram which shows the usage condition of the portable water heater. It is the elements on larger scale of the heating pipes 241-243 which concern on other embodiment of the portable water heater 1, (a) shows the heating pipe 241 with which the annular fin 244 was attached to the outer wall, (b ) Is a cross-sectional view taken along the line BB in FIG. It is the elements on larger scale of the heating pipes 241-243 which concern on other embodiment of the portable water heater 1, (a) shows the heating pipe 241 with which the helical fin 245 was attached to the outer wall, (b ) Is a sectional view taken along the line CC.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a perspective view showing an external configuration of a portable water heater 1 according to a first embodiment of the present invention, and FIGS. 2 and 3 are a plan view and a front view, respectively. As shown in FIGS. 1-3, the portable water heater 1 is comprised from the substantially cylindrical trunk | drum 10, the cover body 11, the base 16, etc., and these have high mechanical strength, heat resistance, waterproofness. In addition, it is made of a material excellent in rust resistance, such as a metal such as aluminum or stainless steel.

  The upper surface of the body 10 of the portable water heater 1 is open, and a lid 11 is detachably provided in the opening. The lid body 11 is fixed to the trunk body 10 by two clasps 111 provided to face the side surface in the vicinity of the opening of the trunk body 10. By adopting such a structure, the portable water heater 1 can be used as a cooking device such as a pot or a pot in addition to the water heater, because the lid 11 can be removed and food or the like can be introduced from the opening. Can do.

  Further, the lid 11 has a substantially circular exhaust port 121 opened to be connected to an upper end portion of an exhaust pipe provided inside for exhausting combustion gas of a cassette gas stove described later, An exhaust port cap 13 for preventing back wind is fitted to the port 121. The top plate 131 of the exhaust cap 13 has a substantially circular confirmation window 132 for confirming the ignition state of the burner of the cassette gas stove, and a substantially disk-shaped confirmation window for opening and closing the confirmation window 132. A window lid 133 is slidably supported on the top plate 131 at one point on its peripheral edge. Further, a water inlet cap 15 for preventing dust and preventing foreign matter from entering is inserted into the substantially circular water inlet 14 for supplying water or the like that is opened in the lid 11. Is provided with a thermometer 151 for measuring the water temperature inside the tank.

  On the other hand, the lower surface of the body 10 of the portable water heater 1 is connected to the pedestal 16. The pedestal 16 includes a windbreak wall 162 having a predetermined width over the entire circumference of the side surface. When the portable water heater 1 is used, the windbreak wall 162 surrounds the burner and the virtues of the cassette gas stove. Is able to burn stably without being affected by wind. In addition, four leg plates 163 for supporting the pedestal 16 are provided on the outer surface of the windbreak wall 162, and a space below the pedestal 16 supported by the leg plate 163 is used to attach a cassette gas stove. As will be described later, the portable gas heater 1 is heated by attaching a cassette gas stove to the stove housing 161 and heating the portable water heater 1.

  Further, the portable water heater 1 includes a faucet 17 for supplying hot water to one of the side surfaces, and a substantially convex movable handle 18 whose both ends are pivotally supported on two opposing side surfaces. It is configured to be easily transportable by gripping the handle 18 and lifting it upward.

  FIG. 4 is a bottom view of the portable water heater 1, and FIG. 5 is a cross-sectional view taken along line AA showing the internal configuration of the portable water heater 1. As shown in FIGS. 4 and 5, a tank 19 for storing water before heating or hot water after heating is formed inside the body 10 of the portable water heater 1. The tank 19 is partitioned through a bottom wall 20 and a pedestal 16. In addition, at the substantially center of the bottom wall 20 and the pedestal 16, there is provided an inner pot 25 in which four substantially cylindrical heating chambers 21 to 24 are recessed in a four-tiered manner. By making the inner pot 25 have such a structure, the substantial heating area of the inner pot 25 by the burner of the cassette gas stove can be increased, and hot water can be made efficiently and economically in a short time. Moreover, since the inner pot 25 does not require a complicated structure, a portable water heater can be manufactured at low cost.

  Furthermore, inside the heating chamber 24, heating tubes 241 to 243 having a substantially circular cross section are bridged with an inclination. Both ends of the heating chambers 21 to 24 are in communication with the tank 19, respectively, and the water in the tank 19 is configured to be able to circulate and circulate in the heating pipes 241 to 243. By adopting such a structure, heat transfer from the heating power of the burner of the cassette gas stove to the water in the heating pipes 241 to 243 is performed with high efficiency, and the heating pipes 241 to 243 are inclined in the inner pot 25. Since the water heated inside the heating pipes 241 to 243 is efficiently moved from the lower side to the upper side of the inclined heating pipe and promotes convection inside the tank, the water heating efficiency is further improved. Can be achieved.

  Further, an exhaust pipe 12 that passes through the tank 19 and communicates with the outside is connected to the upper portion of the inner pot 25, and the high-temperature exhaust gas that passes through the exhaust pipe 12 through the inner wall of the exhaust pipe 12 and the tank. By exchanging heat with the water in 19, boiling water can be more efficiently performed.

  Next, a method for using the portable water heater 1 will be described. FIG. 6 is a conceptual diagram showing a usage mode of the portable water heater 1. First, as shown in FIG. 6, the cassette gas stove 5 is installed in a horizontal and fire-safe place such as the ground, and the burner portion 51 of the cassette gas stove 5 is substantially at the center of the inner pot 25 of the portable water heater 1. The bottom wall 20 is placed on the virtues 52 so as to be positioned at the section, and the cassette gas stove 5 is accommodated in the stove accommodating part 161 of the portable water heater 1. At this time, the cylinder housing part 53 of the cassette gas stove 5 is set so as to protrude outside the windbreak wall 162 of the stove housing part 161. By projecting the cylinder housing portion 53 of the cassette gas stove to the outside of the windbreak wall 162, an explosion accident due to overheating of the cassette gas cylinder can be prevented even when used for a long time, and it can be used extremely safely.

  Next, the water inlet cap (not shown) is removed, water is supplied into the tank 19 from the water inlet 14, and the cassette gas stove 5 is ignited and heated until the water in the tank 19 becomes hot water at a predetermined temperature. At this time, the heating power of the cassette gas stove 5 is transferred to the water in the tank 19 with high efficiency by the heating pipes 241 to 243 and the exhaust pipe 12, and the heating pipes 241 to 243 and the tank 19 are naturally heated by the warmed water. Since convection occurs and water is circulated and heated efficiently, hot water at a predetermined temperature can be obtained economically in a very short time. When the water in the tank 19 becomes hot water at a predetermined temperature, the cassette gas stove 5 is extinguished. The obtained hot water is opened by opening the faucet 17 to supply hot water.

  Moreover, the portable water heater 1 of this invention can drive the portable shower 6 and can supply hot water, as shown in FIG. The portable shower 6 includes a waterproof submersible pump 61 and a shower head 63 connected to the submersible pump 61 via a shower hose 62. The portable shower 6 includes a power cord 64, a switch 65, and a cigar plug 66. It is connected to a socket (not shown). When the submersible pump 61 of the portable shower 6 is introduced into the tank 19 from the water inlet 14 of the portable water heater 1 and the switch 65 is turned on, the submersible pump 61 is activated and the hot water in the tank 19 is pumped up. Hot water is supplied from the shower head 63 via the hose 62.

  The present invention is not limited to the above-described embodiments, and various changes can be made without departing from the scope of the present invention.

  For example, the shape, position, quantity, and the like of each of the members included in the portable water heater according to the above embodiment are not limited to the example of the above embodiment, and the shape of the tank, the inner pot, the heating tube, and the like is a cylinder. The shape of the exhaust pipe or the like may be an elliptic cylinder, a square cylinder, or the like, and the number of heating tubes may be other than three. Furthermore, the portable water heater of the present invention does not necessarily have a water inlet cap, an exhaust port cap, a faucet, a handle, etc., and a locking pin for locking a portable shower hose, etc. May be further provided.

  In addition to the substantially cylindrical shape, the shape of the heating chamber constituting the inner pot may be a substantially prismatic shape such as a triangular prism or a pentagonal prism, a substantially rectangular parallelepiped shape, a substantially truncated semi-ellipsoidal shape, a substantially elliptical columnar shape, or a truncated triangular pyramid. , Substantially truncated pyramids such as truncated quadrangular pyramids, substantially truncated cones, truncated elliptical cones, approximately truncated hemispherical, approximately truncated hemispherical shapes, etc. In addition to the overlap, it may be recessed in two or more layers.

  In addition, as shown in FIG. 7, the heating tube of the heating chamber may further include a plurality of annular fins 244 provided at predetermined intervals on the outer wall of the heating tube 241 or the like, as shown in FIG. Further, a continuous spiral fin 245 may be attached to the outer wall of the heating tube 241 or the like. With such a structure, high efficiency of heat transfer can be realized at low cost.

  Further, the portable water heater according to the above embodiment has a structure in which the inner pot is recessed at the bottom of the tank, but the inner pot is recessed at the side of the tank, and the cassette gas stove is replaced with a cassette gas cylinder. It is good also as a structure which heats an inner pot using the cassette gas torch burner which attached the torch type burner.

  Moreover, in the said embodiment, although the submersible pump of the portable shower utilized external DC power supplies, such as a car, even if it uses internal DC power supplies (battery power supplies), such as a dry cell and a rechargeable battery. Alternatively, an external AC power source may be used. Furthermore, a configuration may be adopted in which water is pumped from outside the tank by a manual pump or an electric pump without using a submersible pump.

  As described above, the portable water heater of the present invention can be used anywhere, indoors or outdoors, and is not only small, highly portable and inexpensive to manufacture, but also extremely efficient in a short time. Because hot water can be made well, fuel can be saved significantly. Therefore, for example, it is extremely useful when used as a water heater for disaster prevention, a cooking device such as a pot or a pot in a disaster area or the like. In addition, hot water showers etc. can be supplied very easily outdoors, so that they can be used not only as disaster prevention showers in the affected areas, but also as simple showers at leisure such as sea bathing, surfing, scuba diving, marine sports, camping, etc. Very useful.

DESCRIPTION OF SYMBOLS 1 ... Portable water heater 10 ... Body 11 ... Cover body 111 ... Clasp 12 ... Exhaust pipe 121 ... Exhaust port 13 ... Exhaust port cap 131 ... Top plate 132 ... Confirmation window 133 ... Confirmation window lid 14 ... Water inlet 15 ... Water inlet cap 151 ... Thermometer 16 ... Base 161 ... Stove housing 162 ... Wind barrier 163 ... Leg plate 17 ... Faucet 18 ... Handle 19 ... Tank 20 ... Bottom wall 21-24 ... Heating chamber 241-243 ... Heating tube 244 ... Toroidal fin 245 ... Helical fins 25 ... Inner pot 5 ... Cassette gas stove 51 ... Burner part 52 ... Gotoku 53 ... Cylinder storage part 6 ... Portable shower 61 ... Submersible pump 62 ... shower hose 63 ... shower f De 64 ... power cord 65 ... switch 66 ... cigar plug

Claims (12)

A portable water heater that uses a cassette gas stove or a cassette gas torch burner,
A tank for storing water,
An inner pot recessed at the bottom or side of the tank;
An exhaust pipe passing through the tank and connected to the inner hook;
A heating pipe inclined and bridged in the inner pot and having both ends communicated with the tank;
A portable water heater, characterized by comprising:   The portable water heater according to claim 1, comprising a plurality of the heating tubes.   The portable water heater according to claim 1 or 2, further comprising a heating plate attached to an outer wall of the heating pipe.   The portable water heater according to claim 3, wherein the heating plate is an annular fin or a spiral fin.   The inner hook has a substantially prismatic shape, a substantially cylindrical shape, a substantially elliptical columnar shape, a substantially truncated pyramid shape, a substantially truncated cone shape, a substantially truncated elliptical cone shape, a substantially truncated hemispherical shape, or a substantially truncated hemispherical shape. The portable water heater according to any one of claims 1 to 4, wherein a plurality of heating chambers are recessed in a multi-tiered manner. The tank
A fuselage with an open top;
A lid detachably fitted to the opening of the body;
It is comprised from these, The portable water heater of any one of Claims 1-5 characterized by the above-mentioned. The exhaust pipe includes an exhaust port cap at an exhaust port,
The exhaust port cap has a confirmation window for confirming the ignition state of the burner through the exhaust pipe,
The portable water heater according to any one of claims 1 to 6.   The portable water heater according to any one of claims 1 to 7, further comprising a hot water supply faucet communicating with the tank.   The portable water heater according to any one of claims 1 to 8, further comprising a cassette gas stove or a cassette gas torch burner. Further comprising a stove housing for housing the cassette gas stove,
The portable water heater according to any one of claims 1 to 9, wherein at least a portion of the stove housing portion that houses the burner of the cassette gas stove is surrounded by a windbreak wall.   The portable water heater according to any one of claims 1 to 10, which is a water heater for disaster prevention, a pan or a kettle.   The portable water heater according to any one of claims 1 to 11, further comprising a portable shower comprising a pump and a shower head connected to the pump via a shower hose.

Images