CN220728556U - Portable concentrating solar cooker - Google Patents

Abstract

The utility model provides a portable concentrating solar cooker which comprises a concentrating plate for concentrating, a cooker frame movably connected with the concentrating plate, and a supporting angle adjusting device for supporting and adjusting the pitching angle of the concentrating plate; the light condensing plate comprises a left sub light plate and a right sub light plate, the inner ends of the two sub light plates are connected in a rotating mode, the light condensing plate can be unfolded and folded, when the light condensing plate is in an unfolded state, the light condensing plate can condense light to heat a cooker on the cooker frame, and when the light condensing plate is in a folded state, the cooker frame can be synchronously folded between the two sub light plates in a follow-up mode, or the cooker frame is detachably connected with the light condensing plate. The condensing plate is composed of the two mutually rotating sub-light plates, so that the condensing plate can be folded, when the solar cooker is not needed, the cooker is taken down, the condensing plate is folded by rotating the two sub-light plates inwards, the cooker frame is folded in the two sub-light plates, or the cooker frame is detachably connected with the condensing plate, and therefore the solar cooker is convenient to carry and store.

Description

Portable concentrating solar cooker

Technical Field

The utility model belongs to the technical field of solar stoves, and particularly relates to a portable concentrating solar stove.

Background

The solar cooker is a device for cooking food by utilizing solar radiation, acquiring heat in a condensation mode and the like, and heating the food. The solar cooker does not burn any fuel, has no pollution, and is convenient and quick. At present, fixed (non-portable) solar stoves are used in rural areas more, and have important significance for relieving the condition of fuel shortage in rural life in China.

The solar cooker disclosed in CN200820140425.2 is supported on the ground through the base, the circumferential angle of the cooker body can be adjusted, and the angle adjusting device can adjust the pitching angle of the cooker body, so that the direction of the cooker body can be adjusted according to different directions of sunlight irradiation, and the utilization rate of sunlight is improved. However, the above-mentioned patent publication cannot be folded, and is inconvenient to store and carry because of its large volume when not in use.

Disclosure of Invention

The utility model aims to solve the technical problems in the prior art, and aims to provide a portable concentrating solar cooker.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a portable concentrating solar cooker comprises a sunk concentrating plate for concentrating, a cooker frame movably connected with the concentrating plate, and a supporting angle adjusting device for supporting and adjusting the pitching angle of the concentrating plate; the condensing plate comprises two sub-light plates which are symmetrically arranged left and right, the inner ends of the two sub-light plates are connected with each other in a rotating way, the condensing plate can be unfolded and folded, when the condensing plate is in an unfolded state, the condensing plate can condense light to heat a pot on the pot frame, and when the condensing plate is in a folded state, the pot frame can be synchronously folded between the two sub-light plates in a follow-up way, or the pot frame is detachably connected with the condensing plate.

According to the technical scheme, the light condensing plate is composed of the two sub light plates which rotate mutually, so that the light condensing plate can be folded, when the solar cooker is not needed to be used, the cookware is taken down, the two sub light plates are rotated inwards to fold the light condensing plate, the cookware frame is synchronously folded in the two sub light plates in a follow-up mode, or the cookware frame is detachably connected with the light condensing plate, therefore, the solar cooker is convenient to store, and is convenient to carry, for example, the cookware is carried out of doors for cooking during camping.

In a preferred embodiment of the utility model, the supporting angle adjusting device comprises a supporting rod capable of being placed on the ground, the back surface of the light condensing plate is connected with a clamping seat with a clamping groove, the supporting rod is arranged in the clamping groove of the clamping seat in a penetrating way and can slide in the clamping groove, and the clamping seat is connected with a fastener for fixing the supporting rod; when the light condensing plate is in a state of being capable of being unfolded, the lower ends of the two sub light plates can be supported on the ground, or the lower ends of the two sub light plates are connected with supporting seats capable of being supported on the ground.

Above-mentioned technical scheme, supporting angle adjusting device forms stable holding surface by bracing piece lower extreme and two supporting seat three points, perhaps by bracing piece lower extreme and two sub-light plate's lower extreme three points to fixed spotlight board, through the every single move angle of adjusting the spotlight board that slides the cassette on the bracing piece, easy operation, supporting angle adjusting device occupation space is little moreover, is convenient for accomodate of solar cooker.

In a preferred embodiment of the utility model, the holder is rotatably connected to the light collecting plate by a transversely arranged rotary shaft.

According to the technical scheme, the clamping seat is rotationally connected with the condensing plate, so that the supporting rod can be folded on the back of the condensing plate through rotating the clamping seat, and the size is further reduced.

In a preferred embodiment of the present utility model, when the support base is provided, the support base is rotatably connected to the rear side of the sub-light panel through a hinge, and the support base can be folded at the rear side of the sub-light panel or unfolded to support the sub-light panel.

According to the technical scheme, when the light condensing plate is folded, the supporting seat is rotated inwards through the hinge so as to be folded to the rear side of the sub light plate, and the size is reduced.

In a preferred embodiment of the utility model, a flexible member is connected between the two sub-optical plates, and two ends of the flexible member are respectively connected with the two sub-optical plates and are all or partially positioned on the front surface of the light condensing plate; when the light condensing plate is in an unfolding state, the flexible piece is straightened, and when the light condensing plate is in a folding state, the flexible piece is loosened and can be contained in the two sub-light plates.

According to the technical scheme, the flexible piece is arranged, when the light condensing plate is in the unfolding state, the flexible piece is straightened, so that the opening and closing angle of the light condensing plate is kept, the balance of the strength of the two sub light plates is kept, the stability of the unfolding state of the light condensing plate is improved, and the flexible piece is soft and does not influence folding of the light condensing plate.

In another preferred embodiment of the present utility model, the flexible member is a steel wire, and a length of steel wire is connected to each of the upper and lower portions of the two sub-light panels.

According to the technical scheme, the steel wire is easy to obtain and high in strength; and the two sections of straight steel wires improve the stability of the condensing plate in the unfolded state.

In another preferred embodiment of the present utility model, when the light condensing plate is in the unfolded state, the front surface of the light condensing plate is a paraboloid, or the front surface of the light condensing plate is an inward concave arc surface; and/or one end of each sub-light plate, which is close to the other end of each sub-light plate, is connected through a plurality of hinges which are arranged at intervals, and the axes of the hinges are collinear.

According to the technical scheme, the parabolic/circular arc surface has good condensation effect; the axes of the hinges are collinear, so that the two sub-light plates are not disturbed to be folded.

In another preferred embodiment of the present utility model, the hinge is provided on the front surface of the light collecting plate.

By means of the technical scheme, the folding of the two sub-light plates is facilitated.

In another preferred embodiment of the utility model, the cooker rack comprises two brackets which are respectively and rotatably connected with the front surfaces of the two sub-light plates, the middle parts of the two brackets are rotatably connected to form a scissors fork structure, and the brackets are provided with notches which are opened upwards; the pot is provided with a connecting piece which can be clamped and hung in the notch, or a hanging frame for supporting the pot is hung together through the two notches.

According to the technical scheme, the two sub-light plates and the two supports form a four-bar mechanism, when the two sub-light plates are unfolded, the two supports are unfolded, and when the two sub-light plates are folded, the two supports are folded and positioned between the two sub-light plates; according to actual conditions, the cookware can be directly hung on the two brackets or can be arranged on the hanging frame detachably connected with the brackets, and the cookware can be automatically balanced when the pitching angle of the condensing plate is adjusted in a hanging mode.

In another preferred embodiment of the utility model, the bracket comprises an upwardly inclined first section connected to the front face of the sub-light panel, and a second section inclined downwardly from the front end of the first section, the slot being located at the front end of the second section.

Above-mentioned technical scheme is through setting up first section and second section for the atress of support is better, support pan that can be more firm.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic front view of a portable concentrating solar cooker in an unfolded state according to an embodiment.

Fig. 2 is a side perspective view schematically showing the portable concentrating solar cooker according to the embodiment in an unfolded state.

Fig. 3 is a schematic side view of the portable concentrating solar cooker in a folded state according to the embodiment.

Fig. 4 is a schematic back view of the portable concentrating solar cooker in a folded state according to the embodiment.

Reference numerals in the drawings of the specification include: the solar panel comprises a condensing panel 10, a sub-light panel 11, a hinge 12, a flexible piece (steel wire) 13, a perforation 14, a pot rack 20, a bracket 21, a first section 211, a second section 212, a notch 22, a connecting shaft 23, a supporting angle adjusting device 30, a supporting rod 31, a clamping seat 32, a supporting seat 33, a fastening piece 34 and a hinge 35.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "vertical," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

The present utility model provides a portable concentrating solar cooker, as shown in fig. 1 to 4, in a preferred embodiment, comprising a rearwardly concave concentrating plate 10 for concentrating light, a cooker frame 20 movably connected to the concentrating plate 10, and a support angle adjusting device 30 for supporting and adjusting a pitch angle of the concentrating plate 10, the front surface of the concentrating plate 10 having a reflective glass or film for reflecting light, which is the prior art, and not described in detail herein. The light condensing plate 10 includes two sub-light plates 11 symmetrically arranged left and right, and inner ends of the two sub-light plates 11 are connected in a rotating manner, so that the light condensing plate 10 can be unfolded and folded, when the light condensing plate 10 is in an unfolded state, the light condensing plate 10 can condense light to heat a pot on the pot frame 20, and when the light condensing plate 10 is in a folded state, the pot frame 20 can be synchronously folded between the two sub-light plates 11 in a follow-up manner.

In the present utility model, the size of the specific condensing plate 10 may be determined according to practical situations, and the focal ratio is preferably 0.5-0.6. In a more preferred embodiment, the focal ratio is preferably 0.5 and the focusing distance is preferably 0.5 meters.

By adopting the technical scheme, when the solar cooker is required to be used, the two sub-light plates 11 are outwards rotated to unfold the light condensing plate 10, the light condensing plate 10 is supported by the supporting angle adjusting device 30, the pitching angle of the light condensing plate 10 is adjusted by the supporting angle adjusting device 30, and the position of the light condensing plate 10 is circumferentially moved to adjust the orientation of the light condensing plate 10, so that the light condensing plate 10 can receive more sunlight; next, the cookers are placed on the cookers rack 20, and the condensing plate 10 acquires solar energy by condensing light and heats the cookers on the cookers rack 20 to cook and cook food. When the solar cooker is not needed, the cooker is taken down, the light condensing plate 10 is folded by rotating the two sub light plates 11 inwards, and the cooker frame 20 is folded in the two sub light plates 11.

In the present embodiment, when the light collecting plate 10 is in the unfolded state, the front surface of the light collecting plate 10 is a paraboloid, or the front surface of the light collecting plate 10 is a concave arc surface, preferably a paraboloid, and the two sub-light plates 11 are non-independent paraboloids, and the two sub-light plates 11 together form the paraboloid. One end that two sub-light panels 11 are close to each other is connected through a plurality of hinges 12 that the interval set up, and the axis collineation of a plurality of hinges 12, and preferably hinge 12 sets up in the front of condensing plate 10, is more convenient for draw in of two sub-light panels 11.

In another preferred embodiment, the pot holder 20 includes two brackets 21 rotatably connected to the front surfaces of the two sub-light panels 11, respectively, and the middle parts of the two brackets 21 are rotatably connected by a connecting shaft 23 to form a scissors structure. The two brackets 21 are parallel to each other about two axes of rotation of the two sub-light panels 11, the axis of the hinge 12, and the axis of the connecting shaft 23, respectively, so that the two sub-light panels 11 and the two brackets 21 form a four-bar mechanism; the distance from the axis of rotation of the left bracket 21 about the left sub-light plate 11 to the axis of the hinge 12 is preferably equal to the distance from the axis of rotation of the right bracket 21 about the right sub-light plate 11 to the axis of the hinge 12, and the distance from the axis of rotation of the left bracket 21 about the left sub-light plate 11 to the connecting shaft 23 is preferably equal to the distance from the axis of rotation of the right bracket 21 about the left sub-light plate 11 to the connecting shaft 23. When the two sub-light panels 11 are unfolded, the two brackets 21 are unfolded, and when the two sub-light panels 11 are folded, the two brackets 21 are folded and positioned between the two sub-light panels 11.

The front ends of the two brackets 21 are respectively provided with a notch 22 which is opened upwards, the cooker is provided with a connecting piece which can be clamped and hung in the notch 22, for example, the connecting piece is a strut or a transversely extending screw rod which is arranged at two sides of the cooker, the two connecting pieces are respectively clamped in the two notches 22 and can rotate in the notches 22, and therefore, when the pitching angle of the light condensing plate 10 is adjusted, the hung cooker can be automatically balanced under the dead weight.

It should be noted that, for a pan without a connecting piece, a hanging frame for supporting the pan can be hung together through the two notches 22, the pan is placed on the hanging frame, and the pan can be automatically balanced when the pitching angle of the light condensing plate 10 is adjusted. When folding the solar cooker, the hanger needs to be removed from the bracket 21.

Further preferably, the bracket 21 includes an upwardly inclined first section 211 connected to the front surface of the sub-light panel 11, and a second section 212 inclined downwardly from the front end of the first section 211, and the notch 22 is located at the front end of the second section 212, so that the bracket 21 is more stressed.

It should be noted that, in addition to the above-mentioned manner of unfolding and folding the cooker frame 20 together with the light-gathering plate 10, the cooker frame 20 may also be detachably connected with the light-gathering plate 10, for example, by a snap connection, after the light-gathering plate 10 is unfolded, the cooker frame 20 is snapped onto the light-gathering plate 10, and when not in use, the cooker frame 20 is removed from the light-gathering plate 10, so that folding of the light-gathering plate 10 is not affected. In this case, the structure of the pot holder 20 is not limited to the aforementioned scissors structure, and other structures capable of supporting the pot in the prior art may be used.

In the present utility model, the supporting angle adjusting device 30 includes a supporting rod 31 capable of being placed on the ground, the back of the light collecting plate 10 is connected with a clamping seat 32 with a clamping groove, preferably the clamping seat 32 is rotatably connected with the light collecting plate 10 through a rotation shaft arranged transversely, for example, the clamping seat 32 is installed on the back of the right sub-light plate 11. The clamping seat 32 is tightly matched with the rotating shaft or the rotating shaft and the condensing plate 10, and the clamping seat 32 cannot rotate relative to the condensing plate 10 under the action of no external force. The supporting rod 31 is inserted into the clamping groove of the clamping seat 32 and can slide in the clamping groove, the clamping seat 32 is connected with a fastening piece 34 for fixing the supporting rod 31, for example, the fastening piece 34 is a fastening bolt connected to the clamping seat 32 in a threaded manner, and the supporting rod 31 is abutted against the fastening bolt to fix the supporting rod 31 and the clamping seat 32. The lower ends of the two sub-light panels 11 are connected with a supporting seat 33 capable of supporting the ground, preferably the supporting seat 33 is rotatably connected with the rear side of the sub-light panels 11 through a hinge 35, and the supporting seat 33 can be folded on the rear side of the sub-light panels 11 or unfolded to support the sub-light panels 11.

When the condensing plate 10 needs to be unfolded, the supporting seat 33 is rotated outwards through the hinge 35 to be unfolded, the two sub-light plates 11 are rotated outwards to be unfolded the condensing plate 10, and the two supporting seats 33 are supported on the ground; the clamping seat 32 is rotated to the rear side to support the support rod 31 on the ground, the clamping seat 32 is slid on the support rod 31 to adjust the pitching angle of the light condensing plate 10 to a proper angle, the clamping seat 32 can still be rotated in the adjusting process to enable the support rod 31 to be vertical as much as possible, then the clamping seat 32 and the support rod 31 are locked through the fastener 34, and a stable supporting surface is formed by the lower end of the support rod 31 and three points of the two support seats 33 to fix the light condensing plate 10. When the condensing plate 10 is folded, the supporting seat 33 is rotated inwards through the hinge 35, so that the supporting seat 33 is folded to the rear side of the sub-light plate 11, and the volume is reduced; the support bar 31 is folded at the back of the light condensing plate 10 by rotating the clamping seat 32 at the front side, so that the volume is reduced.

It should be noted that, instead of providing the supporting base 33, the lower ends of the two sub-optical plates 11 may be directly supported on the ground, so that the lower ends of the supporting rods 31 and the lower ends of the two sub-optical plates 11 form a stable supporting surface to fix the condensing plate 10.

As shown in fig. 1, in another preferred embodiment, a flexible member 13 is connected between two sub-optical plates 11, and two ends of the flexible member 13 are respectively connected to the two sub-optical plates 11 and are located in whole or in part on the front surface of the light collecting plate 10. When the light condensing plate 10 is in an unfolding state, the flexible piece 13 is straightened to keep the opening and closing angle of the light condensing plate 10 and the balance of the forces of the two sub light plates 11, so that the stability of a large paraboloid of the light condensing plate 10 with a larger size is also better; when the light collecting plate 10 is in a folded state, the flexible member 13 is loosened and can be accommodated in the two sub-light plates 11.

Preferably, the flexible member 13 is made of steel wires, and a section of steel wire 13 is connected to the upper and lower parts of the two sub-light panels 11 respectively, so as to improve the stability of the light condensing panel 10 in the unfolded state. Further preferably, a hole 14 is drilled at the upper and lower parts of the two sub-optical plates 11, and four holes 14 are drilled at the upper and lower parts, for example, the steel wire 13 passes through the hole 14 at the upper right, the hole 14 at the upper left and the hole 14 at the lower left from the back of the sub-optical plate 11 at the right side, then passes out from the hole 14 at the lower right to the back of the sub-optical plate 11 at the right side, and finally, two ends of the steel wire 13 are fixedly connected together at the back of the sub-optical plate 11 at the right side.

In the present utility model, the two sub-light panels 11 may be made of metal or polymer, preferably polymer, such as foam plastic, so that the overall weight is reduced, and the sub-light panels 11 are more portable, and a reflective film is applied to the sun side (i.e., the front side). The pot rack 20 and the supporting angle adjusting device 30 are made of metal or high polymer materials, preferably metal, and have high strength and stable supporting.

In the description of the present specification, reference to the terms "preferred implementation," "one embodiment," "some embodiments," "example," "a particular example" or "some examples" and the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The portable concentrating solar cooker is characterized by comprising a sunk concentrating plate for concentrating, a cooker frame movably connected with the concentrating plate, and a supporting angle adjusting device for supporting and adjusting the pitching angle of the concentrating plate;

the solar energy collecting device comprises a solar energy collecting plate, a solar energy collecting plate and a solar energy collecting plate, wherein the solar energy collecting plate comprises two sub-light plates which are symmetrically arranged left and right, the inner ends of the two sub-light plates are connected with each other in a rotating mode, the solar energy collecting plate can be unfolded and folded, when the solar energy collecting plate is in an unfolded state, the solar energy collecting plate can collect light to heat a pot on the pot frame, and when the solar energy collecting plate is in a folded state, the pot frame can be synchronously folded between the two sub-light plates in a follow-up mode, or the pot frame is detachably connected with the solar energy collecting plate.

2. The portable concentrating solar cooker according to claim 1, wherein the supporting angle adjusting device comprises a supporting rod capable of being placed on the ground, the back surface of the concentrating plate is connected with a clamping seat with a clamping groove, the supporting rod is arranged in the clamping groove of the clamping seat in a penetrating manner and can slide in the clamping groove, and a fastener for fixing the supporting rod is connected to the clamping seat;

when the light condensing plate is in a state of being capable of being unfolded, the lower ends of the two sub light plates can be supported on the ground, or the lower ends of the two sub light plates are connected with supporting seats capable of being supported on the ground.

3. The portable concentrating solar cooker according to claim 2, wherein the clamping seat is rotatably connected with the concentrating plate through a rotating shaft which is transversely arranged.

4. The portable concentrating solar cooker according to claim 2, wherein when the supporting base is provided, the supporting base is rotatably connected with the rear side of the sub-light panel through a hinge, and the supporting base can be folded at the rear side of the sub-light panel or unfolded to support the sub-light panel.

5. The portable concentrating solar cooker according to claim 1, wherein a flexible member is connected between the two sub-light panels, two ends of the flexible member are respectively connected with the two sub-light panels, and all or part of the flexible member is positioned on the front surface of the concentrating panel;

when the light condensing plate is in an unfolding state, the flexible piece is straightened, and when the light condensing plate is in a folding state, the flexible piece is relaxed and can be contained in the two sub-light plates.

6. The portable concentrating solar cooker according to claim 5, wherein the flexible member is a steel wire, and a section of steel wire is connected to each of the upper and lower portions of the two sub-light panels.

7. The portable concentrating solar cooker according to any one of claims 1 to 6, wherein when the concentrating panel is in an unfolded state, the front surface of the concentrating panel is a paraboloid or the front surface of the concentrating panel is a concave arc surface;

and/or one end of each sub-light plate, which is close to each other, is connected through a plurality of hinges which are arranged at intervals, and the axes of the hinges are collinear.

8. The portable concentrating solar cooker of claim 7 wherein the hinge is disposed on the front surface of the concentrating panel.

9. The portable concentrating solar cooker according to any one of claims 1 to 6, wherein the cooker rack comprises two brackets rotatably connected to front surfaces of the two sub-light panels, respectively, and middle portions of the two brackets are rotatably connected to form a scissors structure, and the brackets have upwardly open notches;

the pot is provided with a connecting piece which can be clamped and hung in the notch, or a hanging frame for supporting the pot is hung together through the two notches.

10. The portable concentrating solar cooker of claim 9 wherein the bracket comprises an upwardly inclined first section connected to the front face of the sub-panel and a second section inclined downwardly from the front end of the first section, the slot being located at the front end of the second section.