Outdoor portable solar water heater
By designing an outdoor portable solar water heater, which utilizes an absorption coating to convert solar energy into water heating, the problems of energy consumption and safety hazards in outdoor camping are solved, providing a simple and safe solution for heating water.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-31
AI Technical Summary
When using existing electric or gas stoves to heat water during outdoor camping or travel, there are issues with energy consumption and safety hazards.
An outdoor portable solar water heater was designed, which adopts an outer shell and inner tank structure. The inner tank surface is coated with an absorption coating to convert sunlight into heat energy to heat water. It is also equipped with a bracket, a reflector and an insulation layer to improve efficiency and safety.
It achieves water heating without consuming electricity or fuel, and has a simple structure, high safety, prevents scalding, and is suitable for outdoor use.
Smart Images

Figure CN224065699U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of solar energy utilization, in particular to an outdoor portable solar water heater. BACKGROUND
[0002] In outdoor camping, traveling and other scenarios, the demand for hot water is widespread. In order to facilitate carrying, people usually use electric heating or gas stove products to heat water. However, such products consume energy during use, and there are certain safety hazards.
[0003] Based on this, the present application provides an outdoor portable solar water heater, which is simple in structure, convenient to carry, does not consume energy during use, and has high safety. CONTENT OF THE UTILITY MODEL
[0004] The present application provides an outdoor portable solar water heater, which is simple in structure, convenient to carry, does not consume energy during use, and has high safety.
[0005] The present application provides an outdoor portable solar water heater, which includes a shell and an inner container.
[0006] The shell includes a shell body and a shell cover, the shell body and the shell cover are oppositely arranged, the side of the shell body facing the shell cover is provided with a containing cavity, the shell cover is rotatably arranged on the shell body, and the shell cover has a closed state of hiding the containing cavity and an open state of exposing the containing cavity.
[0007] The inner container is arranged in the containing cavity, and is used for storing water. The inner container is provided with a water inlet and a water outlet, and the surface of the inner container is provided with an absorption coating. In the open state, the absorption coating can be irradiated by sunlight and convert the sunlight into heat energy to heat the water in the inner container.
[0008] In an optional embodiment, the volume of the inner container is 20-40L, and the empty weight of the outdoor portable solar water heater is not greater than 5kg.
[0009] In an optional embodiment, the water inlet and the water outlet of the inner container extend out of the shell body.
[0010] In an optional embodiment, it further includes a transparent cover plate, which is arranged on the side of the shell body facing the shell cover and covers the containing cavity.
[0011] In an alternative embodiment, a bracket is arranged on a side of the housing away from the shell cover, and the bracket is used to tilt the housing so that the absorption coating of the inner container faces the sun.
[0012] In an alternative embodiment, the bracket is rotatably arranged on the housing, and the bracket has an unfolded state supporting the housing and a retracted state retracted to a side of the housing.
[0013] In an alternative embodiment, a receiving groove is arranged on a side of the housing away from the shell cover, and the bracket is arranged in the receiving groove.
[0014] In an alternative embodiment, a reflective plate is arranged on a side of the shell cover facing the housing, and the reflective plate is capable of reflecting sunlight to the absorption coating in the open state.
[0015] In an alternative embodiment, a thermal insulation layer is arranged, and the thermal insulation layer includes a first thermal insulation layer and a second thermal insulation layer, the first thermal insulation layer is arranged in the receiving cavity and located between the housing and the inner container, and the second thermal insulation layer is arranged on a side of the shell cover facing the housing, and the first thermal insulation layer and the second thermal insulation layer form a thermal insulation space in the closed state.
[0016] In an alternative embodiment, a handle is arranged on the housing, and the handle is used by a user to lift and move the outdoor portable solar water heater.
[0017] The above technical solutions of the present application have the following beneficial technical effects:
[0018] Compared with the method of using electric heating or gas stove products to heat water, the outdoor portable solar water heater of the present application includes a housing and an inner container, and the surface of the inner container is provided with an absorption coating, which can absorb sunlight and convert the sunlight into heat energy when the shell cover of the housing is opened, so as to heat the water in the inner container without consuming electric energy and fuel, thereby providing hot water for the user. In addition, the outdoor portable solar water heater has a simple structure, and when the shell cover is closed, not only can the heat preservation of the hot water be realized, but also the user can be prevented from being scalded due to accidental touch of the inner container during carrying.
[0019] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, the drawings herein are incorporated into the description and form a part of the description, the drawings show the embodiments consistent with the present application, and are used to illustrate the technical solutions of the present application together with the description. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.
[0021] Figure 1 A structural schematic diagram of an outdoor portable solar water heater provided by the embodiments of the present application is shown;
[0022] Figure 2 A working schematic diagram of the outdoor portable solar water heater provided by the embodiments of the present application is shown; Figure 1 A working schematic diagram of the outdoor portable solar water heater provided by the embodiments of the present application is shown;
[0023] Figure 3 A sectional view of the outdoor portable solar water heater provided by the embodiments of the present application in a closed state is shown; Figure 1 A sectional view of the outdoor portable solar water heater provided by the embodiments of the present application in a closed state is shown;
[0024] In the drawings: 1, outer shell; 11, shell body; 12, shell cover; 2, inner container; 21, water inlet; 22, water outlet; 23, absorption coating; 3, transparent cover plate; 4, support; 5, reflecting plate; 6, heat preservation layer; 61, first heat preservation layer; 62, second heat preservation layer; 7, handle. DETAILED DESCRIPTION
[0025] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. Note that the relative arrangement, numerical expressions, and numerical values of the components and steps set forth in these embodiments are not limiting on the scope of the present application unless otherwise specifically stated.
[0026] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application, and should not be understood as a limitation on the present application. All other embodiments obtained by those skilled in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.
[0027] The terms "first", "second" in the description and claims of the present application can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally means that the front and rear associated objects are in an "or" relationship.
[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0029] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0030] Reference Figures 1 to 3The outdoor portable solar water heater provided by the embodiment of the present application comprises a shell 1 and an inner container 2. The shell 1 comprises a shell body 11 and a shell cover 12, the shell body 11 and the shell cover 12 are oppositely arranged, the side of the shell body 11 facing the shell cover 12 is provided with a containing cavity, the shell cover 12 is rotatably arranged on the shell body 11, and the shell cover 12 has a closed state of hiding the containing cavity and an open state of exposing the containing cavity. The inner container 2 is arranged in the containing cavity, the inner container 2 is used for storing water, the inner container 2 is provided with a water inlet 21 for injecting water into the inner container 2 and a water outlet 22 for discharging water, and the surface of the inner container 2 is provided with an absorption coating 23. In the open state, the absorption coating 23 can be irradiated by sunlight and convert the sunlight into heat energy to heat the water in the inner container 2. In the use process, first, the inner container 2 is injected with clean water through the water inlet 21, the outdoor portable solar water heater is placed on the ground when the clean water is heated, the shell cover 12 is opened to expose the inner container 2 in the containing cavity, so that the absorption coating 23 on the surface of the inner container 2 can be irradiated by sunlight and convert the sunlight into heat energy, thereby the water in the inner container 2 can be heated to be warmed up, after the heating is completed, the shell cover 12 is closed, and the hot water can be discharged through the water outlet 22, and meanwhile, the user can be prevented from being scalded by the inner container 2 when the outdoor portable solar water heater is moved.
[0031] In some embodiments, the shell 1 can be cuboid. That is, the shell 1 is similar to a travel box when being closed. Of course, the embodiment of the present application does not make any limitation in this aspect.
[0032] In some embodiments, the shell body 11 and the shell cover 12 of the shell 1 can be hingedly connected, so that the shell cover 12 can be rotated relative to the shell body 11. It should be understood that the included angle between the shell cover 12 and the shell body 11 in the open state can be adjusted. Of course, the embodiment of the present application does not make any limitation in this aspect.
[0033] In some embodiments, a locking member can be arranged between the shell body 11 and the shell cover 12 of the shell 1, and the locking member is used for locking the shell cover 12 to keep it in the closed state. In a specific arrangement, the locking member can be a lock, a password lock or the like. After the use is completed, the shell cover 12 is locked by the locking member, on the one hand, the outdoor portable solar water heater can be conveniently moved, and on the other hand, the shell 1 can be used to achieve heat preservation.
[0034] In some embodiments, the inner container 2 can be a stainless steel or aluminum container. Of course, the embodiment of the present application does not make any limitation in this aspect.
[0035] In some embodiments, the volume of the inner container 2 can be 20-40L. In this way, the daily hot water demand of a single person can be met. In the embodiment, the volume of the inner container 2 is preferably 40L.
[0036] In some embodiments, the water inlet 21 and the water outlet 22 of the inner container 2 extend out of the shell 11. In specific use, the user can fill water and use water without opening the shell cover 12, which is beneficial to improve the user experience. In the present embodiment, the water inlet 21 extends from the upper end surface of the shell 11, and the water outlet 22 extends from the side surface of the shell 11.
[0037] In some embodiments, the water inlet 21 and the water outlet 22 are both provided with a switch structure. In specific arrangement, the switch structure can be a screw cap, a stop valve, etc. In specific use, the user can close the corresponding opening through the switch structure after filling water and using water, so as to prevent the water in the inner container 2 from leaking out.
[0038] In some embodiments, the absorption coating 23 on the surface of the inner container 2 is a solar selective absorption coating 23. For example, the absorption coating 23 can be composed of aluminum and aluminum nitride (AlN), which can be deposited on the outer wall of the inner container 2 by a magnetron sputtering technology, has excellent selective absorption performance, and can effectively absorb solar radiation and convert it into heat energy.
[0039] In some embodiments, the weight of the outdoor portable solar water heater (the weight when the water is emptied) is not greater than 5 kg. In this way, the user can carry and move the outdoor portable solar water heater. In the present embodiment, the weight of the outdoor portable solar water heater is 4 kg.
[0040] In some embodiments, the outdoor portable solar water heater further comprises a transparent cover plate 3, which is arranged on the side of the shell 11 facing the shell cover 12 and covers the accommodation cavity. In specific arrangement, the transparent cover plate 3 can be tempered glass or high-temperature-resistant transparent polycarbonate, etc. In specific use, the transparent cover plate 3 can allow sunlight to be transmitted to the absorption coating 23, and at the same time, can play a protective role for the inner container 2.
[0041] In some embodiments, the outdoor portable solar water heater further comprises a support 4, which is arranged on the side of the shell 11 away from the shell cover 12, and the support 4 is used to incline the shell 11 so that the absorption coating 23 of the inner container 2 faces the sun. In specific arrangement, the support 4 can be a rectangular support, a triangular support, or a T-shaped support, etc. In specific use, the support 4 can be supported on the back of the shell 11 (the side of the shell 11 away from the shell cover 12), so that the side of the shell 11 facing the shell cover 12 is in an inclined state, so that the absorption coating 23 of the inner container 2 faces the sun, which can improve the heating efficiency and make the water warm up quickly.
[0042] In some embodiments, the support 4 is rotatably arranged on the housing 11, and the support 4 has a state of supporting the housing 11 and a state of being accommodated on the side of the housing 11. That is, the support 4 is foldably arranged on the housing 11. In actual use, the user can rotate the support 4 to support the housing 11, so that the absorption coating 23 of the inner container 2 faces the sun. Similarly, after use, the user can rotate the support 4 to be attached to the side of the housing 11 away from the shell cover 12, so that the user can conveniently accommodate the outdoor portable solar water heater. It should be understood that in actual implementation, the support 4 can also adjust the inclination angle of the housing 11 by rotating at different angles.
[0043] In some embodiments, the side of the housing 11 away from the shell cover 12 is provided with a containing groove, and the support 4 is arranged in the containing groove. That is, in the accommodation state, the support 4 is located in the containing groove, so that the surface of the housing 11 is more neat and smooth, which is beneficial to improve the visual effect.
[0044] In some embodiments, the outdoor portable solar water heater further comprises a reflecting plate 5 arranged on the side of the shell cover 12 facing the housing 11, and the reflecting plate 5 can reflect sunlight to the absorption coating 23 in the open state. In actual arrangement, the reflecting plate 5 can be a mirror surface aluminum plate, a stainless steel plate, or an engineering plastic with a mirror surface reflection coating. In actual use, the reflecting plate 5 can reflect sunlight to the absorption coating 23, which can improve the heat exchange efficiency of the heat absorption coating, and further improve the heating efficiency.
[0045] In other embodiments, the reflecting plate 5 can also be arranged at other positions. For example, the reflecting plate 5 is rotatably arranged on the side of the housing 11 facing the shell cover 12 and covers the containing cavity. In heating, the reflecting plate 5 can be rotated at a certain angle to reflect sunlight to the absorption coating 23.
[0046] In some embodiments, the outdoor portable solar water heater further comprises a heat preservation layer 6, which comprises a first heat preservation layer 61 and a second heat preservation layer 62. The first heat preservation layer 61 is arranged in the containing cavity and located between the housing 11 and the inner container 2, and the second heat preservation layer 62 is arranged on the side of the shell cover 12 facing the housing 11 (and between the shell cover 12 and the reflecting plate 5). In the closed state, the first heat preservation layer 61 and the second heat preservation layer 62 form a heat preservation space. In actual arrangement, the heat preservation layer 6 can be a polyurethane rigid foam material. In actual use, by closing the shell cover 12, the first heat preservation layer 61 and the second heat preservation layer 62 can wrap the inner container 2, which can effectively reduce heat loss and reduce the water temperature drop speed.
[0047] In some embodiments, the outdoor portable solar water heater further comprises a handle 7 arranged on the upper end face of the shell 11, which is used by the user to lift and move the outdoor portable solar water heater. It should be understood that in specific implementations, the handle 7 can also be used when the user tilts the shell 11 to pour water.
[0048] Compared with the way of heating water using electric heating or gas stove products, the outdoor portable solar water heater of the embodiments of the present application comprises a shell 1 and an inner container 2, and the surface of the inner container 2 is provided with an absorption coating 23, which can absorb sunlight and convert it into heat energy when the shell cover 12 of the shell 1 is opened, so as to heat the water in the inner container 2 without consuming electric energy and fuel, thereby providing hot water for the user. In addition, the outdoor portable solar water heater has a simple structure, and when the shell cover 12 is closed, not only can it achieve heat preservation of the hot water, but also can prevent the user from being scalded by accidentally touching the inner container 2 during carrying.
[0049] One or more embodiments of the present specification are intended to cover all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent replacements, improvements, etc. made in the spirit and principles of one or more embodiments of the present specification should be included in the protection scope of the present application.
[0050] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. An outdoor portable solar water heater characterized by, The outdoor portable solar water heater comprises: a shell and an inner container; the shell comprises a shell body and a shell cover, the shell body and the shell cover are oppositely arranged, a containing cavity is arranged on the side of the shell body facing the shell cover, the shell cover is rotatably arranged on the shell body, and the shell cover has a closed state of hiding the containing cavity and an open state of exposing the containing cavity; the inner container is arranged in the containing cavity, the inner container is used for storing water, the inner container is provided with a water inlet and a water outlet, and a light-absorbing coating is arranged on the surface of the inner container, in the open state, the light-absorbing coating can be irradiated by sunlight and convert the sunlight into heat energy to heat the water in the inner container.
2. The outdoor portable solar water heater according to claim 1, wherein, The volume of the inner container is 20-40L, and the empty weight of the outdoor portable solar water heater is not greater than 5kg.
3. The outdoor portable solar water heater of claim 1, wherein, The water inlet and the water outlet of the inner container extend out of the shell body.
4. The outdoor portable solar water heater of claim 1, wherein, Further comprising: a transparent cover plate arranged on the side of the shell body facing the shell cover and covering the containing cavity.
5. The outdoor portable solar water heater of claim 1, wherein, Further comprising: a support arranged on the side of the shell body away from the shell cover, the support is used for tilting the shell body so that the light-absorbing coating of the inner container faces the sun.
6. The outdoor portable solar water heater according to claim 5, wherein, The support is rotatably arranged on the shell body, and the support has an unfolded state of supporting the shell body and a storage state of being retracted on the side of the shell body.
7. The outdoor portable solar water heater of claim 5, wherein, The side of the shell body away from the shell cover is provided with a containing groove, and the support is arranged in the containing groove.
8. The outdoor portable solar water heater of claim 1, wherein, Further comprising: a reflecting plate arranged on the side of the shell cover facing the shell body, in the open state, the reflecting plate can reflect sunlight to the light-absorbing coating.
9. The outdoor portable solar water heater of claim 1, wherein, Further comprising: a thermal insulation layer, the thermal insulation layer comprises a first thermal insulation layer and a second thermal insulation layer, the first thermal insulation layer is arranged in the containing cavity and located between the shell body and the inner container, and the second thermal insulation layer is arranged on the side of the shell cover facing the shell body, in the closed state, the first thermal insulation layer and the second thermal insulation layer form a thermal insulation space.
10. The outdoor portable solar water heater of claim 1, wherein, Further comprising: a handle arranged on the shell body, the handle is used for a user to lift and move the outdoor portable solar water heater.