CN111109347A

CN111109347A - Solar energy fruit vegetables drying equipment of following spot

Info

Publication number: CN111109347A
Application number: CN202010073737.1A
Authority: CN
Inventors: 梁海斌; 邓小京; 龚文; 郑超; 韩四海
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-05-08
Anticipated expiration: 2040-01-21
Also published as: CN111109347B

Abstract

The invention relates to the technical field of solar drying of fruits and vegetables, which aims to fully utilize solar energy, improve the traditional drying process and improve the sensory quality and the grade of dried fruit and vegetable products. The invention carries out heat collection and drying by arranging the heat conduction box body and the light following and heat collecting mechanism, the light following and heat collecting mechanism comprises a heat conductor connected with the heat conduction box body, and carries out heat collection by the reflective lens and the heat conductor, four L-shaped shading plates which are uniformly arranged in the circumferential direction by taking the central axis of the heat conductor as the center are arranged on the light collecting plate, each L-shaped shading plate comprises a long plate and a short plate which are connected, the long plates and the light collecting plate are arranged in parallel, the short plates are connected with the light collecting plate and are arranged on the outer side of the light collecting plate, a thermal expansion and cold contraction strip is arranged below each long plate, the expansion and contraction strip is connected with a tension spring which is fixedly connected with a light collecting plate, the light collecting plate is connected with the fruit and vegetable drying chamber in a ball hinge manner, when the illumination angle changes, the light collecting plate can rotate universally, the light following range is wider, and the failure rate is reduced due to the arrangement of pure mechanical parts of the light following part.

Description

Solar energy fruit vegetables drying equipment of following spot

Technical Field

The invention relates to the technical field of solar drying, in particular to solar light-following fruit and vegetable drying equipment.

Background

The fruit and vegetable products such as peanut, longan, walnut, apricot, red date, cherry and the like are mostly used for drying besides being used for fresh food and processing raw materials. For a long time, the dried fruit and vegetable products are mostly dried by natural airing, hot air drying and the like, and the traditional method has low drying efficiency and long period, is easily influenced by weather and sand blown by wind, is also easily damaged by dust and insects, seriously influences the quality and the grade of the dried fruit and vegetable products, and causes low commodity rate and poor economic benefit. Although the natural quality and the nutritional value of the product can be preserved to a greater extent by the vacuum drying, freeze drying and irradiation drying technologies, the drying time is too long, the equipment price is high, the production cost is high, and the application range of the product is limited. Based on this, in order to improve the drying maturity of fruits and vegetables and guarantee product quality and economic benefits, the purpose is to develop a green natural solar drying device, follow spot promptly, adjusts the angle of solar energy and illumination in real time, but current solar energy device of following spot mostly adopts and connects singlechip or PLC to follow spot, promptly detects the real-time change information of solar radiation incident angle through the photoelectric detection module, and then changes information according to the real-time of the incident angle of solar radiation through the singlechip, the rotation angle of automatic control motor, the incident angle that realizes solar panel strip automatic tracking solar radiation.

Although the light tracing mode is convenient and quick, the light tracing mode is still connected with a power supply for use, a singlechip, a stepping motor, a related controller and a photoelectric detection module are required to be arranged on a light tracing part, electric components are easy to break down in the using process, particularly in the sun-drying using process, and the service life is short.

Meanwhile, the motor is adopted for tracking light, and the solar panel can only rotate along a certain axis and cannot rotate universally.

Disclosure of Invention

The invention aims to solve the problems that the existing light following device in the prior art cannot rotate in a universal direction and is easy to break down due to the adoption of electric components, and provides solar light following fruit and vegetable drying equipment.

In order to achieve the above purpose, the invention provides the following technical scheme:

a solar energy fruit vegetables drying equipment that follows spot includes:

the fruit and vegetable drying chamber is externally connected with a solar air exchange mechanism, and is internally provided with a heat conduction box body which is connected with a light-tracking heat collection mechanism;

the light-following and heat-collecting mechanism comprises a heat conductor connected with the heat-conducting box body and a light-collecting plate with a plurality of reflecting lenses, and the reflecting directions of all the reflecting lenses are gathered on the heat conductor; still be provided with on the collection worn-out fur with four L type light screens that heat conductor axis evenly set up as center circumference, L type light screen is including the long slab and the short slab that are connected, long slab and collection worn-out fur parallel arrangement, the short slab with collection worn-out fur is connected and is set up in the collection worn-out fur outside, every the long slab below all is provided with expend with heat and contract with cold strip, and this expend with heat and contract with cold strip is connected with tension spring, tension spring and collection worn-out fur fixed connection, collection worn-out fur is connected with fruit vegetables drying chamber ball hinge formula.

The fruit and vegetable drying chamber with the heat-conducting box body arranged inside is used for replacing the traditional natural drying, so that impurity mixing can be reduced, the heat-conducting box body is connected with the light-following and heat-collecting mechanism, the light-following and heat-collecting mechanism comprises a heat conductor connected with the heat-conducting box body and a light-collecting plate with a plurality of reflecting lenses, the reflecting directions of all the reflecting lenses are gathered on the heat conductor, heat is collected through the reflecting lenses and the heat conductor, and is transmitted into the heat-conducting box body, so that wet fruits and vegetables in the heat-conducting box body can be dried, the fruits and vegetables are loaded by the box body for drying, and the problem that the traditional natural drying brings impurities is solved; the light collecting plate is provided with four L-shaped light shielding plates which are uniformly arranged in a circumferential direction by taking the central axis of the heat conductor as a center, each L-shaped light shielding plate comprises a long plate and a short plate which are connected, the long plates and the light collecting plates are arranged in parallel, the short plates are connected with the light collecting plates and arranged on the outer sides of the light collecting plates, each long plate is provided with a thermal expansion and cold contraction strip below the long plates, each thermal expansion and cold contraction strip is connected with a tension spring, the tension springs are fixedly connected with the light collecting plates, the light collecting plates are connected with a fruit and vegetable drying chamber in a ball hinge mode, when the illumination angle is changed, the light collecting plates can rotate in a universal mode, when the light collecting plates are used, one L-shaped light shielding plate is aligned to any direction of east, south and north, east and west, when the illumination direction angle moves from the vertical direction to west, the thermal expansion and cold contraction strips below the west light shielding plates are not exposed, the deformation that takes place the length increase, the last effort of tension spring diminishes, and the eastern portion perk of light-collecting plate, the light-collecting plate of taking reflection of light lens promptly toward the sun illumination direction adjustment with aim at, the heat collection device that follows spot of this kind of structure has adopted pure mechanical part at the part of following spot, and electrical component is more durable relatively, and the fault rate is low and the light-collecting plate can carry out the rotation of multi-angle, and the non-rotation of following spot along same axis, and the scope of following spot is wider.

Preferably, the solar ventilation mechanism comprises a fan shell and fan blades, the fan blades are rotatably connected to the fan shell, and the fan blades are arranged on the top surface of the fruit and vegetable drying chamber; the fan blade is provided with a plurality of blades, a sun shield for shielding the blades is arranged on the air inlet surface of the fan blade, and a permanent magnet is arranged on the fan shell and is positioned at the boundary between the blade shielded by the sun shield and the blade not shielded by the sun shield; (ii) a The top surface of the blade is provided with a solar power generation board, and the solar power generation board is connected with an electromagnet capable of generating the same magnetic pole with the permanent magnet.

Through setting up solar energy mechanism of taking a breath, set up the sunshading board that can be with partial blade sunshade, set up the permanent magnet in sunshade and the border line department of not sunshade to and openly set up solar panel at the blade, solar panel is connected with and can produces the electro-magnet with this permanent magnet same magnetic pole, makes solar panel when receiving sunshine and shine, produces the magnetic field on the blade that corresponds, and the electro-magnet of boundary department the same grade just can drive the blade and in time rotate to carry out the ventilation in the fruit vegetables stoving room.

Preferably, a temperature adjusting mechanism is further arranged between the heat conductor and the heat conducting box body, the temperature adjusting mechanism comprises an intermediate heat conducting plate, an upper heat conducting pipe and a lower heat conducting pipe are connected between the heat conductor and the heat conducting box body, the intermediate heat conducting plate and the upper heat conducting pipe or/and the lower heat conducting pipe form a moving pair, and the contact surface of the upper heat conducting pipe or/and the lower heat conducting pipe changes along with the movement of the intermediate heat conducting plate.

Preferably, a constant temperature mechanism is further connected between the heat conduction box body and the heat conductor, the constant temperature mechanism comprises a thermal expansion and cold shrinkage body and an elastic reset piece, one side of the thermal expansion and cold shrinkage body is connected with the lower heat conduction pipe, and the other end of the thermal expansion and cold shrinkage body is connected with the middle heat conduction plate through the elastic reset piece; the middle heat conducting plate moves along with the expansion and contraction of the thermal expansion and contraction body.

Preferably, the temperature adjusting mechanism further comprises an adjusting frame and an adjusting rotary rod in threaded connection with the adjusting frame, the adjusting frame is in sliding connection with the middle heat conducting plate, and the adjusting rotary rod is hinged to the middle heat conducting plate and rotates relative to the middle heat conducting plate to rotate along the adjusting rotary rod.

Preferably, the elastic reset piece comprises a T-shaped connecting rod, one end of the T-shaped connecting rod is connected with the thermal expansion and contraction body, and the other end of the T-shaped connecting rod is fixedly connected with the adjusting frame;

the rod body of the T-shaped connecting rod is sleeved with a return spring, one end of the return spring is connected with the T-shaped connecting rod, and the other end of the return spring is connected with the fruit and vegetable drying chamber.

Preferably, a plurality of upright columns are further arranged below the L-shaped shading plate, and strip bodies of the expansion and contraction strips are arranged around the upright columns in a zigzag manner;

one end of the expansion and contraction strip is fixed on one of the upright posts, the other end of the expansion and contraction strip is connected with a pull rope, and the pull rope is connected with a tension spring.

Preferably, the contact surface of the upper heat conduction pipe and the middle heat conduction plate is a square contact surface;

the heat conductor, the upper heat conduction pipe and the lower heat conduction pipe are hollow copper shells, and heat conduction liquid is arranged in the heat conductor, the upper heat conduction pipe and the lower heat conduction pipe.

Preferably, the heat conductor is a circular heat conductor, the reflective lenses are arranged in layers according to the radius in the radial direction of the cross section of the heat conductor, and the single-layer reflective lenses are arranged along the axial direction of the heat conductor.

Preferably, a transparent heat-insulating shell is sleeved outside the heat conductor, and heat-insulating shells are arranged outside the upper heat-conducting pipe, the lower heat-conducting pipe and the middle heat-conducting plate;

and the sun shield on the fan shell is provided with ventilated shutter holes.

Compared with the prior art, the invention has the beneficial effects that:

1. the traditional natural drying is replaced by the fruit and vegetable drying chamber with the heat conduction box body, so that impurities in dried fruit and vegetable products can be prevented from being mixed, and the good color, texture, taste and mouthfeel of the dried fruit and vegetable products are ensured. This heat conduction box links to each other with the thermal-arrest mechanism of following spot, and this thermal-arrest mechanism of following spot includes the heat conductor that is connected with the heat conduction box to and have the board that gathers of a plurality of reflection of light lens, all reflection of light lens's reflection direction gathers on the heat conductor, through reflection of light lens and heat conductor thermal-arrest, with heat transmission to the heat conduction box in, make the wet fruit vegetables in the heat conduction box can be dried, hold the dress fruit vegetables with the box and dry, not only solved traditional solarization and air-dried the quality that brings poor, the not high problem of efficiency, utilized clean energy simultaneously better, reduced energy consumption and environmental pollution, reached zero energy consumption and zero pollution.

2. The light collecting plate is provided with four L-shaped light shielding plates which are uniformly arranged in a circumferential direction by taking the central axis of the heat conductor as a center, each L-shaped light shielding plate comprises a long plate and a short plate which are connected, the long plates and the light collecting plates are arranged in parallel, the short plates are connected with the light collecting plates and arranged on the outer sides of the light collecting plates, each long plate is provided with a thermal expansion and cold contraction strip below the long plates, each thermal expansion and cold contraction strip is connected with a tension spring, the tension springs are fixedly connected with the light collecting plates, the light collecting plates are connected with a fruit and vegetable drying chamber in a ball hinge mode, when the illumination angle is changed, the light collecting plates can rotate in a universal mode, when the light collecting plates are used, one L-shaped light shielding plate is aligned to any direction of east, south and north, east and west, when the illumination direction angle moves from the vertical direction to west, the thermal expansion and cold contraction strips below the west light shielding plates are not exposed, the deformation that takes place the length increase, the last effort of tension spring diminishes, and the eastern portion perk of light-collecting plate, the light-collecting plate of taking reflection of light lens promptly toward the sun illumination direction adjustment with aim at, the heat collection device that follows spot of this kind of structure has adopted pure mechanical part at the part of following spot, and electrical component is more durable relatively, and the fault rate is low and the light-collecting plate can carry out the rotation of multi-angle, and the non-rotation of following spot along same axis, and the scope of following spot is wider.

3. Through setting up solar energy mechanism of taking a breath, set up the sunshading board that can be with partial blade sunshade, set up the permanent magnet in sunshade and the border line department of not sunshade to and openly set up solar panel at the blade, solar panel is connected with and can produces the electro-magnet with this permanent magnet same magnetic pole, makes solar panel when receiving sunshine and shine, produces the magnetic field on the blade that corresponds, and the electro-magnet of boundary department the same grade just can drive the blade and in time rotate to carry out the ventilation in the fruit vegetables stoving room.

Description of the drawings:

FIG. 1 is a three-dimensional structure diagram of a solar energy light-following fruit and vegetable drying device;

FIG. 2 is a cross-sectional view of the solar energy light-following fruit and vegetable drying device;

FIG. 3 is an enlarged view of a portion of area A of FIG. 2;

FIG. 4 is a schematic view showing the connection relationship between the L-shaped light shielding plate, the expansion/contraction strip and the tension spring;

FIG. 5 is a partial enlarged view of area B in FIG. 2;

FIG. 6 is a schematic view showing the connection of the intermediate heat-conducting plate, the adjusting bracket and the adjusting rotary rod;

FIG. 7 is a schematic view of the connection of the reflector on the light collector;

FIG. 8 is a schematic view showing the connection among the heat conductor, the upper heat pipe, the lower heat pipe and the heat conducting box;

FIG. 9 is a two-dimensional block diagram of a solar ventilation mechanism;

fig. 10 is a three-dimensional structural view of the solar ventilation mechanism.

The labels in the figure are: 1-fruit and vegetable drying chamber, 11-heat conducting box body, 2-solar air exchange mechanism, 21-fan shell, 22-fan blade, 221-blade, 222-solar power generation plate, 223-electromagnet, 23-sun shield, 231-louver hole, 24-permanent magnet, 3-light following and heat collecting mechanism, 31-heat conductor, 32-light collecting plate, 321-reflecting lens, 33-L type light shielding plate, 331-long plate, 332-short plate, 34-expansion and contraction strip, 35-tension spring, 36-upper heat conducting pipe, 37-lower heat conducting pipe, 38-upright post, 39-pull rope, 4-temperature regulating mechanism, 41-middle heat conducting plate, 42-regulating frame, 43-regulating rotary rod, 51-expansion and contraction body and 52-elastic reset piece, 521-connecting frame, 522-T-shaped connecting rod, 523-return spring, 6-transparent heat-insulating shell and 7-heat-insulating shell.

Detailed Description

The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.

Examples

As shown in fig. 1, fig. 1 is a three-dimensional structure diagram of a solar energy light-following fruit and vegetable drying device, the solar energy light-following fruit and vegetable drying device comprises a fruit and vegetable drying chamber 1, a solar energy air exchange mechanism 2 is externally connected, a heat conduction box body 11 is arranged in the fruit and vegetable drying chamber, and the heat conduction box body 11 is connected with a light-following heat collection mechanism 3; the specific connection relationship between the heat conduction box body 11 and the heat collection part of the light following and heat collecting mechanism 3 is shown in fig. 2 to 5, the light following part is shown in fig. 4 to 7, the heat conduction process is shown in fig. 8, and the solar ventilation mechanism 2 comprises a plurality of ventilation fans, and the specific structure thereof is shown in fig. 9 and 10.

As shown in fig. 2, the spherical hinge type connection between the light collecting plate 32 and the fruit and vegetable drying chamber 1 in fig. 2, the spherical hinge type connection piece comprises a first spherical support and a second spherical support, the first spherical support is arranged on the transparent heat preservation shell 6, the transparent heat preservation shell 6 is connected with the fruit and vegetable drying chamber 1, namely, the first spherical support is connected with the fruit and vegetable drying chamber 1 through the transparent heat preservation shell 6, one end of the second spherical support is fixed on the light collecting plate 32, the other end of the second spherical support is sleeved on the outer surface of the first spherical support, namely, the light collecting plate 32 is connected with the fruit and vegetable drying chamber 1 through the transparent heat preservation shell 6. The first spherical bracket can also be directly arranged on the fruit and vegetable drying chamber 1.

The light collecting plate 32 is connected with the fruit and vegetable drying chamber 1 in a ball hinge manner, so that the light collecting plate 32 and the fruit and vegetable drying chamber 1 can rotate universally.

As shown in fig. 2 and 3, fig. 2 is a sectional view of the solar energy light-following fruit and vegetable drying device, and fig. 3 is a partially enlarged view of a region a in fig. 2.

The light-following and heat-collecting mechanism 3 comprises a heat conductor 31 connected with the heat conducting box body 11 and a light-collecting plate 32 with a plurality of reflecting lenses 321, and the reflecting directions of all the reflecting lenses 321 are gathered on the heat conductor 31; still be provided with on the light collection board 32 with four L type light screens 33 that heat conductor 31 axis evenly set up as center circumference, L type light screen 33 is including long board 331 and the short slab 332 that are connected, long board 331 and light collection board 32 parallel arrangement, short slab 332 with light collection board 32 is connected and is set up in the light collection board 32 outside, every long board 331 below all is provided with expend with heat and contract with cold strip 34, and this expend with heat and contract with cold strip 34 is connected with tension spring 35, tension spring 35 and light collection board 32 fixed connection, light collection board 32 is connected with 1 ball-joint formula in fruit vegetables drying chamber.

The light following principle is as follows:

with one of them L type light screen 33 alignment east-west arbitrary direction of thing, when moving to the west from vertical direction if illumination direction angle, the expend with heat and contract with cold strip 34 of the light screen below of west this moment is not shone by the sun, can not take place to warp, and expend with heat and contract with cold strip 34 of the light screen below of east is shone by the sun, takes place the deformation that length increases, and the effort on the tension spring 35 diminishes, and the perk of light-collecting plate 32 east, takes the light-collecting plate 32 of reflection of light lens 321 toward the direction adjustment of sun illumination and alignment promptly. Meanwhile, due to the existence of the spherical hinge type connection, the light collecting plate 32 can rotate in a multi-angle universal mode instead of rotating along the same axis, and the light following range is wider. The light tracking is best when aiming at the east-west, south-north directions.

The reflection of light lens 321 aims at the sunlight direction part, and the accessible control expend with heat and contract with cold strip 34's flexible length control, because tension spring 35's effort is directly proportional with compressive capacity or elongation, can control expend with heat and contract with cold strip 34 partial extension length through the length and the material that set up of control expend with heat and contract with cold strip 34 to the compressive capacity or the elongation of control tension spring 35, thereby the rotation angle of control collection board 32.

The length of the expansion and contraction strip 34 can be increased by arranging the upright post 38, and the expansion and contraction strip 34 is wound on the upright post 38, as shown in fig. 4. The thermal expansion and contraction strip 34 can be made of a composite material of a metal sheet with a high thermal expansion coefficient in a bimetallic strip of the temperature controller, and can also be made of polyvinyl chloride materials, nylon, aluminum and other materials.

The heat conductor 31 is sleeved with a transparent heat insulation shell 6, and the transparent heat insulation shell 6 can be made of glass and other materials. The heat-insulating shell 7 is arranged outside the upper heat-conducting pipe 36, the lower heat-conducting pipe 37 and the intermediate heat-conducting plate 41, the heat-insulating shell 7 can be a heat-insulating material, and the connection relationship among the heat conductor 31, the upper heat-conducting pipe 36, the lower heat-conducting pipe 37 and the intermediate heat-conducting plate 41 is shown in FIG. 8.

As shown in fig. 4, fig. 4 is a schematic view of a connection relationship between an L-shaped light shielding plate 33, an expansion/contraction strip 34 and a tension spring 35, wherein a plurality of columns 38 are further disposed below the L-shaped light shielding plate 33, and a strip body of the expansion/contraction strip 34 is zigzag disposed around the columns 38; one end of the expansion and contraction strip 34 is fixed on one of the columns 38, the other end is connected with a pull rope 39, and the pull rope 39 is connected with a tension spring 35.

As shown in fig. 5, fig. 5 is a partial enlarged view of the area B in fig. 2, a thermostatic mechanism is further connected between the heat conduction box 11 and the heat conductor 31, the thermostatic mechanism includes a thermal expansion/contraction body 51 and an elastic restoring member 52, one side of the thermal expansion/contraction body 51 is connected to the lower heat conduction pipe 37, and the other end is connected to the adjustment frame 42 through the elastic restoring member 52. The thermal expansion and contraction body 51 can be made of a composite material of a metal sheet with a high thermal expansion coefficient in a bimetallic strip of the temperature controller, and can also be made of polyvinyl chloride materials, nylon, aluminum and other materials.

The elastic reset piece 52 comprises a connecting frame 521 and a T-shaped connecting rod 522, the connecting frame 521 is connected with the heat preservation shell 7, one end of the T-shaped connecting rod 522 is connected with the thermal expansion and contraction body 51, and the other end of the T-shaped connecting rod 522 is fixedly connected with the adjusting frame 42;

the cover is equipped with reset spring 523 on the pole body of T type connecting rod 522, and the one end of this reset spring 523 with T type connecting rod 522 is connected, and the other end is connected with fruit vegetables drying chamber 1 through this link 521 and heat preservation shell 7, and the link 521 is connected at first to the other end of reset spring 523 promptly, and link 521 is connected with heat preservation shell 7, and heat preservation shell 7 is connected with fruit vegetables drying chamber 1, and its connection order is: a connecting frame 521, a heat preservation shell 7 and a fruit and vegetable drying chamber 1.

There is also a temperature adjusting mechanism 4 between the heat conductor 31 and the heat conducting box 11, the temperature adjusting mechanism 4 further includes an adjusting frame 42 and an adjusting rotary rod 43 in threaded connection with the adjusting frame 42, the adjusting frame 42 is connected with the middle heat conducting plate 41 in a sliding manner, the adjusting rotary rod 43 is hinged on the middle heat conducting plate 41 and rotates relatively to the adjusting rotary rod 43 to rotate along itself.

The control of the indoor temperature of the fruit and vegetable drying chamber 1 has two modes:

firstly, the temperature adjusting mechanism 4 can be driven to move integrally through the expansion or contraction of the thermal expansion and contraction body 51;

secondly, the length of the adjusting rotary rod 43 in the middle heat conducting plate 41 is controlled to control the contact area of the middle heat conducting plate 41 and the upper heat conducting pipe 36 or/and the lower heat conducting pipe 37; the second control mode can be used as a supplement to the temperature control when the change of the thermal expansion and contraction body 51 can not meet the constant temperature requirement, and can also be used as a control mode for setting the rated drying temperature in the fruit and vegetable drying chamber 1.

As shown in fig. 6, fig. 6 is a schematic view of the connection relationship between the middle heat conducting plate 41, the adjusting frame 42 and the adjusting lever 43, the adjusting lever 43 is hinged on the middle heat conducting plate 41 and rotates relatively to the adjusting lever 43 to rotate along itself, that is, one end of the adjusting lever 43 is provided with an adjusting knob, the other end is provided with a protrusion for being inserted into the middle heat conducting plate 41, a groove adapted to the protrusion is provided in the middle heat conducting plate 41, the adjusting lever 43 can perform relative movement along the adjusting lever 43 itself with respect to the middle heat conducting plate 41, and the adjusting lever 43 cannot displace relative to the middle heat conducting plate 41, that is, cannot fall off from the middle heat conducting plate 41.

The body of the adjusting screw 43 is screwed with the adjusting frame 42.

As shown in fig. 7 and fig. 2, fig. 7 is a schematic view illustrating a connection of the reflector 321 on the light collector plate 32, the reflector 321 is radially layered in a radial direction of a cross section of the heat conductor 31, and a single layer of the reflector 321 is circumferentially disposed along an axis of the heat conductor 31. The number of layers in fig. 2 is three.

The heat collecting principle of the light collecting plate 32 is as follows: that is, all the reflection directions of the reflective lenses 321 are gathered on the heat conductor 31, heat is collected through the reflective lenses 321 and the heat conductor 31, and the heat is transmitted to the heat conduction box 11, so that the wet fruits and vegetables in the heat conduction box 11 can be dried.

As shown in fig. 8, fig. 8 is a schematic view illustrating a connection relationship between a heat conductor 31, an upper heat pipe 36, a lower heat pipe 37 and a heat conduction box 11, a temperature adjustment mechanism 4 is further provided between the heat conductor 31 and the heat conduction box 11, the temperature adjustment mechanism 4 includes an intermediate heat pipe 41, the upper heat pipe 36 and the lower heat pipe 37 are connected between the heat conductor 31 and the heat conduction box 11, the intermediate heat pipe 41 forms a moving pair with the upper heat pipe 36 or/and the lower heat pipe 37, and the temperature is controlled by adjusting a contact area between the intermediate heat pipe 41 and the upper heat pipe 36 or/and the lower heat pipe 37. The adjustment section is realized by the temperature adjustment mechanism 4 shown in fig. 5 to 6.

The heat conductor 31 is a circular heat conductor 31, the upper heat pipe 36 and the lower heat pipe 37 can be hollow copper shells, and in this case, heat conducting liquid is disposed in the heat conductor 31, the upper heat pipe 36 and the lower heat pipe 37. The contact surface between the upper heat transfer pipe 36 and the intermediate heat transfer plate 41 is a square contact surface.

The energy transfer process comprises the following steps: sunlight is irradiated, and the light collecting plate 32 reflects the sunlight to the heat conductor 31, the upper heat conduction pipe 36, the middle heat conduction plate 41, the lower heat conduction pipe 37, the heat conduction box body 11 and wet fruits and vegetables in the heat conduction box body 11.

As shown in fig. 9 and 10, fig. 9 is a two-dimensional configuration diagram of the solar ventilation mechanism 2, and fig. 10 is a three-dimensional configuration diagram of the solar ventilation mechanism 2.

The solar ventilation mechanism 2 comprises a fan shell 21 and a fan blade 22, the fan blade 22 is rotatably connected to the fan shell 21, and the fan blade 22 is arranged on the top surface of the fruit and vegetable drying chamber 1; the fan blade 22 is provided with a plurality of blades 221, the air inlet surface of the fan blade 22 is provided with a sun shield 23 for shielding the blades 221, and the boundary between the blade 221 shielded by the sun shield 23 and the blade 221 not shielded by the sun shield 23 on the fan shell 21 is provided with a permanent magnet 24; the top surface of the blade 221 is provided with a solar power generation panel 222, and the solar power generation panel 222 is connected with an electromagnet 223 capable of generating the same magnetic pole as the permanent magnet 24.

Still be provided with ventilative tripe hole 231 on the sunshading board 23 on the fan case 21, this tripe hole 231 includes a plurality of ventilation holes, is provided with the sunshade minute board that corresponds on this ventilation hole, sets up to be greater than 0 degree and be less than 30 degrees and shelter from sunshine through dividing the contained angle between board and the sunshading board 23 with the sunshade, avoids sunshine to penetrate directly, and wherein the length that the sunshade divide the board can set up to the length that is greater than the ventilation hole to reach better sunshade effect.

The working principle of the solar air exchange mechanism 2 is as follows:

by directly connecting the solar power generation panel 222 with the electromagnet 223, the solar power generation panel 222 can energize the electromagnet 223 under immediate irradiation of sunlight and deenergize immediately without irradiation of sunlight without adding a storage battery. At this time, the sun shield 23 capable of shielding part of the blades 221 is arranged, the permanent magnet 24 is arranged at the boundary line between the sun shield and the non-sun shield, the solar power generation panel 222 is arranged on the front surface of the blades 221, the solar power generation panel 222 is connected with the electromagnet 223 capable of generating the same magnetic pole with the permanent magnet 24, when the solar power generation panel 222 receives the sunlight, the magnetic field is generated on the corresponding blades 221, the electromagnets 223 at the same level as the boundary line can drive the blades 221 to rotate in time, and therefore ventilation and air exchange in the fruit and vegetable drying chamber 1 are carried out.

Wherein, three kinds of situations can appear when solar energy mechanism 2 during operation:

in the first case, when the solar power generation panel 222 enters below the sun visor 23, the strength of the magnetic field of the electromagnet 223 connected to the solar power generation panel 222 below the sun visor 23 is lower than the strength of the magnetic field of the electromagnet 223 connected to the solar power generation panel 222 under the sun, and the blade 221 below the sun visor 23 can be smoothly rotated out when it rotates to the boundary line, so that the solar ventilation mechanism 2 operates normally.

In the second case, when the magnetic field intensity of the electromagnet 223 connected to the solar power generation panel 222 below the sun visor 23 is equal to the magnetic field intensity of the electromagnet 223 connected to the solar power generation panel 222 under solar irradiation and the magnetic field acting force is larger than the inertial force of the rotation, the blade 221 below the sun visor 23 can be smoothly rotated up to the boundary line.

In the third case, the intensity of the magnetic field of the electromagnet 223 connected to the solar panel 222 below the sun visor 23 is equal to the intensity of the magnetic field of the electromagnet 223 connected to the solar panel 222 under the sun irradiation, and when the magnetic field acting force is smaller than the rotational inertia force, the fan stops rotating first, because the blade 221 below the sun visor 23 is not irradiated by the sun, the intensity of the magnetic field of the electromagnet 223 gradually weakens, and the intensity of the magnetic field of the electromagnet 223 connected to the solar panel 222 under the sun irradiation gradually becomes stronger, and the rotation is restarted under the mutual exclusion of the same level of the permanent magnet 24, and the blade 221 below the sun visor 23 can be smoothly rotated out when rotating to the boundary, and the solar ventilation mechanism 2 can still realize the ventilation function.

Claims

1. The utility model provides a solar energy fruit vegetables drying equipment that follows spot which characterized in that includes:

the fruit and vegetable drying chamber (1) is externally connected with a solar air exchange mechanism (2), a heat conduction box body (11) is arranged in the fruit and vegetable drying chamber, and the heat conduction box body (11) is connected with the light-tracking heat-collecting mechanism (3);

the light-following and heat-collecting mechanism (3) comprises a heat conductor (31) connected with the heat conducting box body (11) and a light-collecting plate (32) with a plurality of reflector lenses (321), and the reflecting directions of all the reflector lenses (321) are gathered on the heat conductor (31); still be provided with on light-collecting plate (32) with four L type light screens (33) that heat conductor (31) axis evenly set up for center circumference, L type light screen (33) are including long board (331) and short slab (332) that are connected, long board (331) and light-collecting plate (32) parallel arrangement, short slab (332) with light-collecting plate (32) are connected and are set up in light-collecting plate (32) outside, every long board (331) below all is provided with expend with heat and contract with cold strip (34), and this expend with heat and contract with cold strip (34) are connected with tension spring (35), tension spring (35) and light-collecting plate (32) fixed connection, light-collecting plate (32) are connected with fruit vegetables drying chamber (1) hinge formula.

2. The solar energy light-following fruit and vegetable drying equipment according to claim 1, characterized in that the solar energy ventilation mechanism (2) comprises a fan casing (21) and a fan blade (22), the fan blade (22) is rotatably connected to the fan casing (21), and the fan blade (22) is arranged on the top surface of the fruit and vegetable drying chamber (1); the fan blade (22) is provided with a plurality of blades (221), a sun shield (23) for shielding the blades (221) is arranged on the air inlet surface of the fan blade (22), a permanent magnet (24) is arranged on the fan shell (21), and the permanent magnet (24) is positioned at the boundary between the blade (221) shielded by the sun shield (23) and the blade (221) not shielded by the sun shield (23); (ii) a The top surface of the blade (221) is provided with a solar power generation plate (222), and the solar power generation plate (222) is connected with an electromagnet (223) which can generate the same magnetic pole with the permanent magnet (24).

3. The solar energy fruit and vegetable drying equipment that follows spot according to claim 2, characterized by, still have temperature regulation mechanism (4) between heat conductor (31) and heat conduction box (11), temperature regulation mechanism (4) include middle heat-conducting plate (41), be connected with upper heat-conducting pipe (36) and lower heat-conducting pipe (37) between heat conductor (31) and heat conduction box (11), middle heat-conducting plate (41) and upper heat-conducting pipe (36) or/and lower heat-conducting pipe (37) form the removal pair, the contact surface of upper heat-conducting pipe (36) or/and lower heat-conducting pipe (37) changes along with the removal of middle heat-conducting plate (41).

4. The solar energy fruit and vegetable drying device that follows spot according to claim 3, characterized in that a constant temperature mechanism is connected between the heat conduction box (11) and the heat conductor (31), the constant temperature mechanism comprises a thermal expansion and contraction body (51) and an elastic reset piece (52), one side of the thermal expansion and contraction body (51) is connected with the lower heat conduction pipe (37), and the other end is connected with the middle heat conduction plate (41) through the elastic reset piece (52); the middle heat conducting plate (41) moves along with the expansion and contraction of the thermal expansion and contraction body (51).

5. The solar energy follow spot fruit and vegetable drying equipment according to claim 4, characterized in that the temperature adjusting mechanism (4) further comprises an adjusting bracket (42) and an adjusting rotary rod (43) in threaded connection with the adjusting bracket (42), the adjusting bracket (42) is in sliding connection with the middle heat conducting plate (41), the adjusting rotary rod (43) is hinged on the middle heat conducting plate (41) and rotates relatively to the adjusting rotary rod (43) to rotate along itself.

6. The solar energy follow spot fruit and vegetable drying device according to claim 4, wherein the elastic reset piece (52) comprises a T-shaped connecting rod (522), one end of the T-shaped connecting rod (522) is connected with the thermal expansion and contraction body (51), and the other end of the T-shaped connecting rod (522) is fixedly connected with the adjusting frame (42);

a rod body of the T-shaped connecting rod (522) is sleeved with a return spring (523), one end of the return spring (523) is connected with the T-shaped connecting rod (522), and the other end of the return spring (523) is connected with the fruit and vegetable drying chamber (1).

7. The solar energy follow spot fruit and vegetable drying equipment according to any one of claims 1-6, wherein a plurality of columns (38) are further arranged below the L-shaped shading plate (33), and the strip bodies of the expansion and contraction strips (34) are zigzag arranged around the columns (38);

one end of the expansion and contraction strip (34) is fixed on one of the upright posts (38), the other end of the expansion and contraction strip is connected with a pull rope (39), and the pull rope (39) is connected with a tension spring (35).

8. The solar energy follow spot fruit and vegetable drying equipment according to claim 7, characterized in that the contact surface of the upper heat conduction pipe (36) and the middle heat conduction pipe (41) is a square contact surface;

the heat conductor (31), the upper heat conduction pipe (36) and the lower heat conduction pipe (37) are hollow copper shells, and heat conduction liquid is arranged in the heat conductor (31), the upper heat conduction pipe (36) and the lower heat conduction pipe (37).

9. The solar energy light-following fruit and vegetable drying device according to claim 8, wherein the heat conductor (31) is a circular ring-shaped heat conductor (31), the reflective lenses (321) are arranged in layers according to radius in the radial direction of the cross section of the heat conductor (31), and the single reflective lens (321) is arranged along the circumference of the axis of the heat conductor (31).

10. The solar energy follow spot fruit and vegetable drying equipment according to claim 9, wherein a transparent heat preservation shell (6) is sleeved outside the heat conductor (31), and a heat preservation shell (7) is arranged outside the upper heat conduction pipe (36), the lower heat conduction pipe (37) and the middle heat conduction plate (41);

the sun shield (23) on the fan shell (21) is provided with a ventilating shutter hole (231).