CN212299480U

CN212299480U - Magnetic type folding solar cooker

Info

Publication number: CN212299480U
Application number: CN202020417743.XU
Authority: CN
Inventors: 曾韵陶
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2021-01-05
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a magnetic-suction type folding solar cooker, the main body of which is a plurality of spherical polygonal concave mirrors made of light and thin materials, the spherical polygonal concave mirrors are inlaid with metal frames, the metal frames have magnetism, under the mutual attraction of the magnetism, the plurality of spherical polygonal concave mirrors can be combined into a rotary paraboloid condenser of the solar cooker, and the plurality of spherical polygonal concave mirrors can be overlapped and stored to save space; the top of the vertical shaft of the solar cooker is provided with a cooker ring, the edge of the cooker ring is provided with an arc-shaped sliding ring, and under the condition that a rotary paraboloid condenser of the solar cooker rotates along with the change of the sun height, the arc-shaped sliding ring is correspondingly adjusted to enable the cooker ring to be kept horizontal, so that cooking pots can be conveniently kept flat. The solar cooker support and other parts can be stored by a customized case after being folded and stored.

Description

Magnetic type folding solar cooker

Technical Field

The utility model belongs to the technical field of solar energy, a solar heating equipment suitable for self-driving trip, hiking, outdoor adventure, scientific investigation personnel etc. carry is related to.

Background

The people who drive oneself and travel, outdoor exploration, scientific investigation etc. often heat food and domestic water and worry, though these problems can be solved in the solar energy theory that is everywhere, but current foldable solar cooker still has the problem such as occupation space is big, the power is little, carry inconveniently, can't satisfy the requirement, can't extensively promote up to now. If the problems of large occupied space, small power, inconvenience in carrying and the like of the solar cooker can be solved, the popularization degree of the folding solar cooker can be greatly improved. The utility model creatively provides a technical proposal that a plurality of spherical polygonal concave mirrors with smaller areas are sucked into a collecting mirror with larger area according to a certain rule by utilizing the attraction of a magnet, and a user can increase the splicing quantity according to the requirement, thereby solving the problem of smaller power; a plurality of spherical polygonal concave mirrors can be stored in an overlapping way; the problem of inaccurate focusing is effectively solved by using the design of a fixed stove ring slip ring; and the folding design is adopted, so that the mounting and dismounting procedures are simplified, and the outdoor use is facilitated. The utility model discloses a comprehensive utilization above advantage provides a brand-new technical scheme for folding solar cooker extensively promotes.

SUMMERY OF THE UTILITY MODEL

This rotatory parabolic collecting mirror of folding solar cooker of formula is inhaled to magnetism is that the actuation of the less spherical polygon concave mirror of a plurality of areas constitutes, for easy understanding, and this explanation material uses spherical regular triangle concave mirror 1 to explain as an example (no longer give unnecessary details below), the less spherical regular triangle concave mirror 1 of area is inlayed and is taken magnetic strip frame 1-1, and strip frame magnetic pole can be marked by different colours.

The spherical regular-triangle concave mirrors 1 are attracted by the magnetic frames to form a rotary paraboloid condenser of the solar cooker, and the spherical regular-triangle concave mirrors 1 can be overlapped and stored after acute angles are cut off, so that the storage space is saved.

The spherical regular-triangular concave mirror 1 is made of light materials, the concave surface of the spherical regular-triangular concave mirror is a reflecting surface, a reflecting material is sprayed on the concave surface, and the convex surface of the spherical regular-triangular concave mirror is a backlight surface; in order to increase the combination mode, one frame 1-2 can be kept as unmagnetized iron material among three frames of the spherical surface regular triangle concave mirror, and can be attracted with the S pole of the magnet and the N pole of the magnet.

One frame of the partial spherical regular triangular concave mirror is clamped in the clamping grooves 3 on the two sides of the metal arc-shaped stove frame 2, and the rest spherical regular triangular concave mirrors are attracted with the rest frames of the spherical regular triangular concave mirrors in the clamping grooves randomly to form the rotary paraboloid condenser.

The geometric midline position of the solar cooker condensing lens is provided with an arc-shaped cooker frame 2, the two sides of the solar cooker condensing lens are provided with clamping grooves 3, the front surface of the solar cooker condensing lens is a concave surface coated with a reflective material, the condensing focus of the solar cooker is consistent with the condensing focus of the solar cooker, an L-shaped vertical shaft 4 is fixed on the arc-shaped cooker frame 2, the vertical shaft 4 can rotate along with the rotation of the arc-shaped cooker frame 2, a cooker ring 6 is arranged at the top of the vertical shaft 4, the cooker ring 6 is fixed near the condensing focus of the solar cooker, and the relative position of the condensing focus and the cooker ring 6 is kept unchanged all the time under the condition of adjusting the elevation angle.

The kitchen range ring 6 is fixed at 4 tops of vertical axis through crossbeam 7 and nut 8, kitchen range ring 6 can rotate around crossbeam 7 in certain radian, and on kitchen range ring 6, there is arc sliding ring 9 with crossbeam 7 vertically direction, arc sliding ring 9 can be around crossbeam 7 at certain radian internal rotation, arc sliding ring 9 passes a aperture on 4 upper portions of vertical axis, there is friction card 10 in the aperture lower part, friction card 10 tightly blocks arc sliding ring 9 under the effect of spring 11 at ordinary times, thereby make kitchen range ring rigid, when needs adjustment kitchen range ring horizontal position, the user can adjust arc sliding ring position and drive kitchen range ring 6 after pulling down friction card 10, make it keep flat in the pan of being convenient for of horizontal condition.

The back of the arc-shaped stove frame 2 is fixed with a foot rest 12, an adjusting rod 14 and a handle 19, and the handle 19 can adjust and fix the elevation angle of the solar stove condenser through a brake cable 17.

After the spherical regular-triangle concave mirrors 1 are attracted to form the paraboloid of revolution condenser, regular-hexagon gaps are formed at the splicing positions of the adjacent spherical polygonal concave mirrors, corresponding hexagonal pull buckles 20 are arranged in the gaps, the pull buckles 20 are connected with pull wires or pull rods 21, the lower ends of the pull wires or the pull rods 21 pull the paraboloid of revolution condenser through the pull buckles 20, and the upper ends of the pull wires or the pull rods 21 are hung on the vertical shaft 4 to reduce the deformation of the paraboloid of revolution condenser and ensure accurate condensation.

According to weather conditions and power requirements, more spherical polygonal concave mirrors 1 can be combined together, an off-axis focusing solar cooker can be formed, a positive-axis focusing solar cooker can also be formed, the area and the power of the solar cooker are increased, and the requirements of the solar cooker on different powers are met.

Solar cooker support can be for central support, bracket support, upset support, gallows support etc, the utility model discloses the tripod of recommending in the schematic diagram is not only support method, the tripod can be as the container of accomodating a plurality of sphere regular triangle concave mirror 1 after packing up to protection sphere polygon concave mirror does not receive external force to strike and warp. All parts of the solar cooker can be folded, and are collected in a customized case to be carried and stored.

Drawings

FIG. 1 is a schematic view of a back structure of a spherical regular triangle concave mirror

FIG. 2 is a schematic cross-sectional view of a spherical regular triangle concave mirror

FIG. 3 is a front view of the spherical surface regular triangle concave mirror combined light-gathering surface

FIG. 4 is a schematic view of a part of an arc-shaped cooking bench

FIG. 5 is a schematic view of a partial structure of an arc-shaped cooking bench

FIG. 6 is a schematic view of a part of an arc-shaped cooking bench

FIG. 7 is a schematic view of the relationship between the vertical shaft and the arc-shaped cooking bench

FIG. 8 is a view illustrating the structure of the cooking range ring

FIG. 9 is a schematic view showing the relationship between the focus, the ring and the light-gathering surface of the solar cooker of the present invention

FIG. 10 is a cross-sectional view of an arc-shaped cooking stove and a foot stool

FIG. 11 is a schematic view of the handle operation

FIG. 12 is a schematic view of the use of the tab

FIG. 13 is a schematic view of the overall appearance of the magnetic-type foldable solar cooker

FIG. 14 is a schematic view of a stand structure

Figure 15 is a schematic view of the foot rest in operation,

the same numeral numbers in the figures represent the same parts, wherein 1 is the back of a spherical regular triangle concave mirror, 1-1 is a magnetized strip frame of the spherical regular triangle concave mirror, 1-2 is a non-magnetized frame made of ferrous material, 2 is an arc-shaped stove frame, 2-1 is an upper polygonal bulge on the arc-shaped stove frame, 2-2 is a lower polygonal bulge, 3 is a clamping groove, 4 is a vertical shaft, 5 is a butterfly nut, 6 is a stove ring, 7 is a rotatable beam, 8 is a stove ring nut, 9 is a stove ring arc-shaped slip ring, 10 is a clamping piece, 11 is a spring, 12 is a foot rest, 13 is a plug, 14 is an adjusting rod, 15 is a metal sheet, 16 is a friction plate, 17 is a brake wire, 18 is a spring, 19-1 is a fixed handle, 19-2 is a movable handle, 19-3 is a nut, 20 is a pull buckle, 21 is a pull wire or pull rod, 22 is a triangular chassis, 23 is a hinge type rotating shaft, 24 is a branch pipe, and 25 is a branch disc.

Detailed Description

The structure and principle of the solar cooker will be described in detail with reference to the accompanying drawings, but the description should not be construed as limiting the present invention.

For convenience of explanation, the drawings and the description take the spherical regular triangle concave mirror as an example, but do not show that the implementation method of the utility model is only suitable for the spherical regular triangle concave mirror, and in the actual implementation process, all the spherical polygons which can be attracted to form the rotary paraboloid condenser can be manufactured with the cost of the utility model.

As shown in the schematic structural diagram of the back surface of the spherical regular triangular concave mirror in fig. 1, the solar cooker collecting mirror can be composed of a plurality of spherical regular triangular concave mirrors 1 with the same specification and smaller areas, the concave surface of the spherical regular triangular concave mirror 1 is a reflecting surface, strip-shaped frames are embedded on three sides of the concave surface, the strip-shaped frames have magnetism, and the magnetic poles of the strip-shaped frames are marked with N poles and S poles by different colors.

Can make up into the paraboloid of revolution condensing lens of solar cooker through the magnetism inter attraction of frame 1-1 between the spherical positive triangle concave mirror 1, because the unable actuation of the frame that the magnetic pole is the same, for richening the frame combination mode, improve the equipment speed, three frames of spherical positive triangle concave mirror can be left one and be not magnetized iron material frame 1-2, and it both can inhale with N utmost point mutually, also can inhale with S utmost point mutually, and the experiment shows that it does not carry out the magnetization processing to leave an iron frame, and its combination speed can be faster, and efficiency can be higher.

As shown in the cross-sectional view of the spherical right-triangle concave mirror shown in fig. 2, the spherical right-triangle concave mirror 1 is a part of a virtual sphere with O as the center of the sphere, and the frames aA and bB thereof are radially away from the center of the sphere O, so that the distance between two points AB on the outer edge of the frame is greater than the distance between two points AB on the inner edge, and therefore, the spherical right-triangle concave mirrors can be stored in an up-and-down overlapping manner like the right side of fig. 2, thereby greatly saving the storage space.

As shown in the front schematic view of the combined light-gathering surface of the spherical regular-triangular concave mirror shown in fig. 3, the spherical regular-triangular concave mirrors 1 can be cut off acute angles and then mutually attracted to form a rotary paraboloid light-gathering mirror, and a regular hexagonal gap is formed at the joint of the adjacent spherical regular-triangular concave mirrors. According to the power requirement, the splicing number of the spherical regular triangle concave mirrors 1 can be increased or reduced, and the schematic diagram 3 is only one.

As shown in a schematic view of a partial structure of an arc-shaped stove frame in fig. 4, a plurality of spherical regular triangular concave mirrors forming a paraboloid of revolution condenser need to bear weight by the arc-shaped stove frame and combine with each other, the radian of the arc-shaped stove frame 2 is consistent with that of the solar stove condenser, the surface of the arc-shaped stove frame is sprayed with a reflective material, the two sides of the arc-shaped stove frame are provided with clamping grooves 3, and the sections of the arc-shaped stove frame are provided with polygonal convex parts 2-1 and 2-2.

As shown in a schematic diagram of a partial structure of an arc-shaped stove frame of fig. 5, one side of the spherical regular triangle concave mirror 1 is inserted into the clamping grooves 3 at two sides of the arc-shaped stove frame 2, and the remaining two sides are randomly attracted with the frames of other spherical regular triangle concave mirrors through magnetism, so that a whole piece of paraboloid of revolution condenser is formed.

As shown in fig. 6, a schematic view of a part of the arc-shaped stove frame is a third schematic view, the arc-shaped stove frame 2 is a hollow metal tube, and can be divided into two to three sections, and the two sections can be assembled into a whole by a bolt and nut tightening method between the assembling time periods, so that the arc-shaped stove frame is convenient to fold and store.

As shown in fig. 7, the relationship between the vertical shaft and the arc-shaped stove frame is schematically illustrated, the vertical shaft 4 may be generally in an "L" shape, the top end of the vertical shaft is provided with a stove ring, and the bottom end of the vertical shaft is fixed on the polygonal protrusion 2-1 of the arc-shaped stove frame 2 through the butterfly nut 5, so that the relative positions of the arc-shaped stove frame 2, the solar stove condenser 1 and the vertical shaft 4 are kept unchanged, and when the elevation angle of the condenser is adjusted, the condensing focus is always kept unchanged near the stove ring.

As shown in the structural diagram of the oven ring in fig. 8, the top of the vertical shaft 4 is provided with the oven ring 6, the oven ring 6 is positioned near the light-gathering focus of the solar oven condenser, the oven ring 6 is fixed on the top of the vertical shaft 4 through the rotatable beam 7 and the nut 8, the oven ring 6 can rotate around the beam 7 within a certain radian (not less than 50 degrees), an arc-shaped sliding ring 9 is arranged on the stove ring 6 in the direction vertical to the cross beam 7, the arc-shaped sliding ring 9 can rotate around the cross beam 7 within a certain radian (no less than 50 degrees), the arc-shaped sliding ring 9 penetrates through a small hole at the upper part of the vertical shaft 4, a clamping piece 10 is arranged near the small hole, the clamping piece 10 tightly clamps the arc-shaped sliding ring 9 under the action of a spring 11 at ordinary times, so that the stove ring is fixed, when the horizontal position of the stove ring needs to be adjusted, the position of the arc-shaped sliding ring 9 can be adjusted by pulling down the clamping piece 10, and the cooker ring is driven to be adjusted to be in a horizontal state, so that the cooker can be horizontally placed conveniently.

As fig. 9 the utility model discloses solar cooker focus, kitchen circle and condensing surface relation sketch map are shown, and kitchen circle GH is in near condensing focus F of condensing surface AB, fixes near condensing focus F for making kitchen circle GH, and the main shaft MF that supports kitchen circle GH then fixes on the arc kitchen frame on condensing surface AB, and when condensing surface AB rotates to the AB position along with the change of sun altitude, main shaft MF then removes to the MF position thereupon. At the moment, the range ring GH needs to be adjusted to a GH position in the graph by the rotating angle @, and the range ring can be ensured to be used horizontally. As most areas in China are located under the north of 20 degrees of north latitude, the solar height is not more than 70 degrees, when the solar height is lower than 20 degrees, the solar cooker gathered energy is difficult to utilize, and the depression angle is not required to be lower than 20 degrees, the adjustable angle ═ of the solar cooker and the cooker ring GH can be set to be not less than 50 degrees.

As shown in fig. 10, a cross-sectional view of an arc-shaped stove frame and a foot stool, a foot stool 12 is fixed on the back of the arc-shaped stove frame 2, the arc-shaped stove frame 2 can rotate around a connecting plug 13 according to the change of the height of the sun, an adjusting rod 14 is connected with the foot stool 12, the adjusting rod 14 can rotate around the foot stool 12 along a connecting point Q, the other end of the adjusting rod 14 passes through a small hole of a metal sheet 15, the metal sheet 15 is fixed on a certain position on the back of the arc-shaped stove frame 2, and the adjusting rod 14 is usually clamped at a specific position by a friction sheet 16 to ensure that the arc-shaped stove frame 2 and.

As shown in the working schematic diagram of the handle in FIG. 11, the fixed handle 19-1 is fixed with the arc-shaped stove frame 2, the movable handle 19-2 is connected with the fixed handle 19-1 through the nut 19-3, the user can pull the brake cable 17 connected with the movable handle 19-2 by gripping the movable handle to drive the friction plate 16 to be forced to loosen the adjusting rod 14, the adjusting rod 14 can move in the small hole of the metal sheet, so as to adjust the elevation angle of the arc-shaped stove frame 2 and the light-gathering surface of the solar stove, when the elevation angle is adjusted in place, the user loosens the brake cable, the friction plate 16 tightly clamps the adjusting rod 14 again under the action of the spring 18, so that the light-gathering lens is fixed at a specific angle, the handle is loosened after the elevation angle is adjusted in place, and the.

As shown in the schematic use diagram of fig. 12, after the spherical regular triangular concave mirrors with the acute angles cut off are mutually attracted, a regular hexagonal gap is formed, a draw button 20 can be arranged in the gap, the draw button 20 is connected with a pull wire or a pull rod 21, and the upper end of the pull wire or the pull rod 21 is hung on the vertical shaft 4, so as to ensure that the paraboloidal rotary condenser has small deformation and can accurately condense light.

As shown in the whole outward appearance sketch map of the folding solar cooker of formula is inhaled to magnetism of 13, according to the needs of weather condition and power, can be in the same place spherical triangle concave mirror of different quantity according to the rule, also can constitute positive axis focus solar cooker and off-axis focus solar cooker according to the vertical axis position difference, satisfy the needs to the different power of solar cooker.

As shown in fig. 14, this schematic view shows that the utility model discloses a solar cooker tripod of recommending uses, its bottom has triangle-shaped chassis 22 of keeping flat, and the three apex angle position on triangle-shaped chassis is fixed with hinge type pivot 23 respectively, and the three hollow branch pipe 24 of tripod passes through hinge type pivot 23 and is connected with triangle-shaped chassis 22.

As shown in the working schematic view of the foot rest of fig. 15, the three branch pipes 24 can respectively rotate on the triangular base plate around the hinge-type rotating shafts 23 and can be switched between a standing state and a flat-lying state. After the branch pipes are folded, the triangular base plate 22 is turned upside down and can be used as a container for accommodating a plurality of spherical regular triangular concave mirrors 1, so that the storage space is saved, and the spherical triangular concave mirrors are protected from being deformed due to external force impact. When the branch pipe is supported, a triangular support can be formed, the hollow branch pipe 24 is butted with the supporting disc 25, a supporting structure is formed, and the utility model discloses the only support method that the support is not this solar cooker is recommended.

All parts of above-mentioned solar cooker if the priority that needs the nut to screw up uses butterfly nut 5, avoid using tools such as spanner, for the solar cooker assembles rapidly, dismantles and facilitates, all parts all can fold, concentrate to accomodate and carry and deposit in specific containing box.

Claims

1. The utility model provides a folding solar cooker of formula is inhaled to magnetism, its characterized in that solar cooker's condensing lens comprises a plurality of spherical polygon concave mirrors that inlay the magnetism frame, through the magnetism inter attraction of frame between a plurality of spherical polygon concave mirrors that inlay the magnetism frame to inhale synthetic solar cooker's paraboloid of revolution condensing lens.

2. A magnetic-type folding solar cooker according to claim 1, characterized in that the spherical polygonal concave mirror is a spherical triangle, a spherical quadrilateral, a spherical pentagon or a spherical hexagon concave mirror.

3. A magnetic folding solar cooker according to claim 1, characterized by that, one frame of the spherical polygonal concave mirror is inserted into the customized slot (3), and the rest frames are attracted together with the frame of the adjacent spherical polygonal concave mirror under magnetic attraction, thus forming the rotary parabolic condenser of the solar cooker.

4. The magnetic-type folding solar cooker according to claim 1, characterized in that a cooker ring (6) is arranged near the light-gathering focus of the solar cooker, the cooker ring is fixed on the top of the metal vertical shaft (4), and the lower end of the metal vertical shaft (4) is fixed with the metal arc cooker frame (2) and rotates along with the rotation of the arc cooker frame (2); an arc-shaped sliding ring (9) is additionally arranged at the edge of the stove ring, and under the condition of adjusting the elevation angle of the rotary paraboloid condenser, the arc-shaped sliding ring is correspondingly adjusted, so that the stove ring is always kept horizontal.

5. The magnetic-type folding solar cooker according to claim 1, wherein the spherical polygonal concave mirror is made of light and thin material, and can be stored in an overlapped manner to save storage space and facilitate transportation and carrying.

6. A foldable magnetic cooker according to claim 1, characterized by that, the cooker support is connected and fixed with the arc cooker frame (2) used to fix the spherical polygonal concave mirror (1), the support can be folded, and the support can be used as a container for storing the spherical polygonal concave mirror after being folded.