CN112243761A - Shading device for greenhouse and use method thereof - Google Patents
Shading device for greenhouse and use method thereof Download PDFInfo
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- CN112243761A CN112243761A CN202011093806.1A CN202011093806A CN112243761A CN 112243761 A CN112243761 A CN 112243761A CN 202011093806 A CN202011093806 A CN 202011093806A CN 112243761 A CN112243761 A CN 112243761A
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- ball
- heat
- lifting rope
- magnet
- greenhouse
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/22—Shades or blinds for greenhouses, or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
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Abstract
The invention discloses a shading device for a greenhouse and a use method thereof, belonging to the field of greenhouses, the shading device can block solar rays by arranging a reflector, can reduce the temperature in the greenhouse at noon, and can prevent plants from withering and even dying due to a large amount of water loss, an elastic shell is expanded by utilizing a large amount of heat generated by the direct irradiation of the solar rays at noon to raise the horizontal plane so as to enable a dynamic counterweight ball to move upwards, meanwhile, the memory metal sheet is deformed by the heat to open an opening on a magnetism isolating cover so as to enable a magnetic induction line to pass through, thereby enabling a magnet ball to generate upward adsorption force on a magnetic lifting rope, the dynamic state is added with the driving action of the upward floating of the counterweight ball, the reflector gradually rotates to the horizontal state from the vertical state so as to block the light, when the solar rays are deviated and then the heat is dissipated, the magnetism isolating cover is closed so that the magnet ball loses the adsorption effect on the lifting rope, and the reflector is pulled back into a containing groove under the gravity effect of the, to ensure normal photosynthesis of the plant.
Description
Technical Field
The invention relates to the field of greenhouses, in particular to a shading device for a greenhouse and a using method thereof.
Background
A greenhouse is also called a greenhouse, and refers to a room provided with cold-proof, heating, light-transmitting and other facilities for cultivating temperature-favored plants in winter. In seasons unsuitable for plant growth, the method can provide a growth period and increase yield, and is mainly used for cultivating or raising seedlings of plants such as warm vegetables, flowers and trees in low-temperature seasons. Greenhouse refers to a building that can control or partially control the environment in which plants grow. The method is mainly used for non-seasonal or non-regional plant cultivation, scientific research, generation-added breeding, ornamental plant cultivation and the like.
The greenhouse can provide a growth period and increase the yield in seasons unsuitable for plant growth, and is mainly used for cultivating or growing seedlings of plants such as warm vegetables, flowers and trees in low-temperature seasons. The types of greenhouses are various, and the greenhouses can be divided into a great variety according to different roof truss materials, lighting materials, shapes, heating conditions and the like, such as glass greenhouses and plastic polycarbonate greenhouses; single-span greenhouses and multi-span greenhouses; single-roof greenhouses, double-roof greenhouses; a warm greenhouse, a non-warm greenhouse, etc.
In the midday summer, because the temperature is higher, the transpiration of the leaves is enhanced, and the water absorption speed of the plants cannot catch up with the water loss speed, so that the air holes of the plant leaves are closed, carbon dioxide entering mesophyll cells is reduced, the photosynthesis of the plants is weakened, the temperature in the greenhouse is originally high, and the transpiration of the plants is aggravated to make the plants wither or even die due to a large amount of water loss.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a shading device for a greenhouse and a using method thereof, the shading device can reduce the temperature in the greenhouse at noon by arranging a reflector to block solar rays, prevent plants from withering and even dying due to a large amount of water loss, utilize a large amount of heat generated by the direct incidence of the solar rays at noon to expand an elastic shell so as to raise a horizontal plane, enable a dynamic counterweight ball to move upwards, simultaneously enable a memory metal sheet to deform by heat, open an opening on a magnetism isolating cover to allow a magnetic induction line to pass through, enable a magnet ball to generate upward adsorption force on a magnetic hanging rope, and enable the reflector to gradually rotate from a vertical state to a horizontal state under the driving action of the dynamic counterweight ball upwards, further block the light rays to realize the shading effect on the greenhouse, and enable the magnetism isolating cover to be closed to lose the adsorption effect on the magnetic hanging rope along with the loss of heat after the deviation of the solar rays, and the reflector is pulled back into the containing groove under the action of the gravity of the dynamic counterweight ball so as to ensure the normal photosynthesis of plants.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A shading device for a greenhouse comprises a greenhouse body, wherein a plurality of installation cylinders are fixedly connected to the upper end side wall of the greenhouse body, fixing seats are fixedly connected to the upper ends of the installation cylinders, heat conducting rods are inserted into the installation cylinders, the upper ends of the heat conducting rods penetrate through the fixing seats, an elastic shell is sleeved on the lower ends of the heat conducting rods, memory metal rods are fixedly connected between the inner walls of the two sides of the elastic shell, installation blocks are fixedly connected to the inner walls of the two sides of the upper end, close to the fixing seats, of the installation cylinders, first magnet balls are embedded on the lower end side wall of the installation blocks, magnetic shields are covered outside the first magnet balls, a plurality of holes are formed in the side wall of each magnetic shield, a group of memory metal sheets which are symmetrically arranged is fixedly connected to the inner wall of each hole, heat transfer pieces fixedly connected with the heat conducting rods are embedded on the inner walls of the installation blocks, and penetrate into the magnetic, the groove has all been seted up to the both sides lateral wall of an installation section of thick bamboo and has been accomodate, and the lower extreme inner wall of accomodating the groove rotates and is connected with the reflector panel, the installation section of thick bamboo is close to the upper end lateral wall of accomodating the groove and has seted up the opening, and the opening rotates and is connected with the leading wheel, around being equipped with the magnetic force lifting rope on the leading wheel, and the one end of magnetic force lifting rope and the lateral wall fixed connection of reflector panel, the one end fixedly connected with dynamic counterweight ball of reflector panel is kept away from to the magnetic force lifting rope, the.
Furthermore, the elastic shell is of a rectangular structure and consists of a fixed body and elastic deformation bodies, the elastic deformation bodies occupy the left side and the right side of the elastic shell, the elastic deformation bodies are made of rubber materials, and the left side and the right side of the elastic shell can be expanded, so that the water level can be raised.
Furthermore, the magnetic lifting rope comprises a lifting rope, a plurality of cavities which are arranged at equal intervals are formed in the lifting rope, magnetic fluid is filled in the cavities, and the first magnet balls have adsorption force on the magnetic fluid, so that the magnetic lifting rope can be driven to move upwards.
Furthermore, the dynamic counterweight ball comprises a buoyancy ball, a second magnet ball is placed in the buoyancy ball, the magnetism of the second magnet ball is opposite to that of the first magnet ball, and the upward adsorption force of the first magnet ball is increased, so that the driving force for the upward movement of the magnetic lifting rope is additionally increased.
Further, the buoyancy ball is hollow out construction, is for not influencing the adsorption affinity of first magnet ball to the second magnet ball, the buoyancy ball adopts buoyancy material, and the buoyancy ball floats on water, can drive the second magnet ball along with the rising of the surface of water like this and rise to the rising that provides an initial power for the magnetic force lifting rope.
Furthermore, the upper end lateral wall of fixing base is the recess, and the side of fixing base bonds and has adiabatic membrane, is in order to just can absorb the heat at the heat conduction stick when the direct sunlight to open the reflector panel when the plant carries out normal photosynthesis.
Furthermore, the elastic shell is of a sealing structure, air is filled in the elastic shell, and the air can expand after being heated, so that the expansion effect of the elastic shell can be increased.
A method for using a shading device for a greenhouse comprises the following steps:
s1, in the noon, sunlight directly irradiates the heat conducting rod, the heat conducting rod absorbs the heat of sunlight and transfers the heat to the elastic shell, the memory metal rod is heated to deform and is changed into a straight state from a bent state, and meanwhile the elastic shell expands under the extrusion of the memory metal rod and the action of internal air, so that the water level is raised;
s2, the heat conducting rod transfers heat to the magnetism isolating cover through the heat transfer element, the memory metal sheet is heated to deform to open the open hole, the magnetic induction line of the first magnet ball passes through the open hole to act on the magnetic lifting rope, and under the combined action of upward attraction of the first magnet ball to the magnetic lifting rope and the lifting of the dynamic counterweight ball by water, the reflector gradually rotates from a vertical state to a horizontal state, so that sunlight is blocked;
s3, along with the skew of sunlight, the direct projection angle that the heat conduction stick received is littleer and more, and the heat that the heat conduction stick absorbed is also less and less, and along with thermal scattering and disappearing, the memory metal sheet resumes gradually to warp and makes the trompil on the magnetism proof cover close, thereby the developments counter weight ball tenesmus draws back the reflector panel and accomodates the groove under the action of gravity to let this internal plant of greenhouse carry out normal photosynthesis.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the device can reduce the temperature in the greenhouse at noon by arranging the reflector to block solar rays, avoid withering and even death of plants due to a large amount of water loss, utilize a large amount of heat generated by direct irradiation of the solar rays at noon to expand the elastic shell so as to raise the horizontal plane, enable the dynamic counterweight ball to move upwards, simultaneously, the heat enables the memory metal sheet to deform so as to open the open hole on the magnetism isolating cover and allow the magnetic induction line to pass through, thereby enabling the magnet ball to generate upward adsorption force on the magnetic lifting rope, and further, the driving action of the upward floating of the dynamic counterweight ball, the reflector gradually rotates from a vertical state to a horizontal state, further blocks the light, realizes the effect of shading the greenhouse, when the solar rays are deflected, the magnet ball loses the adsorption effect on the magnetic lifting rope along with the dissipation of the heat, and the reflector is pulled back into the accommodating groove under the gravity action of the dynamic counterweight ball, to ensure normal photosynthesis of the plant.
(2) The elastic shell is of a rectangular structure and consists of a fixed body and elastic deformation bodies, the elastic deformation bodies occupy the left side and the right side of the elastic shell, the elastic deformation bodies are made of rubber materials, and the left side and the right side of the elastic shell can be expanded, so that the horizontal plane of water can be lifted.
(3) The magnetic lifting rope comprises a lifting rope body, a plurality of cavities which are arranged at equal intervals are formed in the lifting rope body, magnetic fluid is filled in the cavities, and the first magnet balls have adsorption force on the magnetic fluid, so that the magnetic lifting rope body can be driven to move upwards.
(4) The dynamic counterweight ball comprises a buoyancy ball, a second magnet ball is placed in the buoyancy ball, the magnetism of the second magnet ball is opposite to that of the first magnet ball, the upward adsorption force of the first magnet ball is increased, and the driving force for upward movement of the magnetic lifting rope is additionally increased.
(5) The buoyancy ball is hollow out construction, is for not influencing the adsorption affinity of first magnet ball to the second magnet ball, and the buoyancy ball adopts the buoyancy material, and the buoyancy ball floats on water, can drive the second magnet ball along with the rising of the surface of water like this and rise to the rising that provides an initial power for the magnetic force lifting rope.
(6) The upper end lateral wall of fixing base is the recess, and the side of fixing base bonds and has adiabatic membrane, is in order to just can absorb the heat at the heat conduction stick when the direct solar radiation to open the reflector panel when the plant carries out normal photosynthesis.
(7) The elastic shell is of a sealing structure, air is filled in the elastic shell, and the air can expand after being heated, so that the expansion effect of the elastic shell can be increased.
Drawings
FIG. 1 is a schematic view of a closed state of a reflector according to the present invention;
FIG. 2 is a schematic view of the reflector of the present invention in an open state;
FIG. 3 is a schematic view of the structure at A in FIG. 1;
FIG. 4 is a schematic view of the structure at B in FIG. 2;
FIG. 5 is a schematic diagram of a memory metal sheet according to the present invention before deformation;
FIG. 6 is a schematic diagram of a deformed memory metal sheet according to the present invention;
FIG. 7 is a schematic cross-sectional view of the elastic shell according to the present invention;
fig. 8 is a schematic sectional view of the magnetic lifting rope according to the present invention.
The reference numbers in the figures illustrate:
the greenhouse comprises a greenhouse body 1, an installation cylinder 2, a fixed seat 3, a heat conducting rod 4, an elastic shell 5, a fixed body 501, an elastic deformation body 502, a memory metal rod 6, an installation block 7, a first magnet ball 8, a magnetic shield 9, a memory metal sheet 10, a heat transfer element 11, a storage groove 12, a reflector 13, a magnetic lifting rope 14, a lifting rope 1401, a magnetic fluid 1402, a dynamic counterweight ball 15, a buoyancy ball 1501, a second magnet ball 1502, water 16 and a heat insulation film 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-8, a light shielding device for a greenhouse comprises a greenhouse body 1, referring to fig. 1-2, a plurality of mounting cylinders 2 are fixedly connected to the upper side wall of the greenhouse body 1, a fixing seat 3 is fixedly connected to the upper end of the mounting cylinders 2, the upper side wall of the fixing seat 3 is a groove, a heat insulating film 17 is bonded to the side edge of the fixing seat 3, so that a heat conducting rod 4 can absorb heat when the sun is directly irradiated, so as to prevent a reflector 13 from being opened when plants perform normal photosynthesis, the heat conducting rod 4 is inserted into the mounting cylinders 2, the upper end of the heat conducting rod 4 penetrates through the fixing seat 3, an elastic shell 5 is sleeved at the lower end of the heat conducting rod 4, the elastic shell 5 is of a sealed structure, the elastic shell 5 is filled with air, the air expands after being heated, and thus the expansion of the elastic shell 5 can be increased, referring to fig. 7, the elastic shell 5 is, the elastic shell 5 consists of a fixed body 501 and an elastic deformation body 502, the elastic deformation body 502 occupies the left side and the right side of the elastic shell 5, the elastic deformation body 502 is made of rubber materials, the left side and the right side of the elastic shell 5 can be expanded, so that the horizontal plane of water 16 can be lifted, and a memory metal rod 6 is fixedly connected between the inner walls of the two sides of the elastic shell 5;
referring to fig. 3-6, the inner walls of both sides of the upper end of the mounting cylinder 2 close to the fixing seat 3 are fixedly connected with mounting blocks 7, the side wall of the lower end of the mounting block 7 is embedded with a first magnet ball 8, the outside of the first magnet ball 8 is covered with a magnetism isolating cover 9, the side wall of the magnetism isolating cover 9 is provided with a plurality of openings, the inner wall of each opening is fixedly connected with a set of symmetrically arranged memory metal sheets 10, the inner wall of the mounting block 7 is embedded with a heat transfer piece 11 fixedly connected with the heat transfer bar 4, the heat transfer piece 11 penetrates into the magnetism isolating cover 9, the side walls of both sides of the mounting cylinder 2 are provided with accommodating grooves 12, the inner wall of the lower end of the accommodating groove 12 is rotatably connected with a reflection plate 13, the side wall of the upper end of the mounting cylinder 2 close to the accommodating groove 12 is provided with an opening;
the magnetic lifting rope 14 is wound on the guide wheel, referring to fig. 8, the magnetic lifting rope 14 comprises a lifting rope 1401, a plurality of cavities arranged at equal intervals are formed in the lifting rope 1401, magnetic fluid 1402 is filled in the cavities, the first magnet ball 8 has adsorption force on the magnetic fluid 1402, so that the magnetic lifting rope 14 can be driven to move upwards, one end of the magnetic lifting rope 14 is fixedly connected with the side wall of the reflector 13, one end of the magnetic lifting rope 14, which is far away from the reflector 13, is fixedly connected with a dynamic counterweight ball 15, the dynamic counterweight ball 15 comprises a buoyancy ball 1501, the buoyancy ball 1501 is of a hollow structure, in order to not influence the adsorption force of the first magnet ball 8 on the second magnet ball 1502, the buoyancy ball 1501 is made of a buoyancy material, the buoyancy ball 1501 floats on water 16, so that the second magnet ball 1502 can be driven to rise along with the rise of the water surface, so as to provide an initial power for the rise of the magnetic lifting rope 14, the second magnet ball 1502 is placed in the buoyancy ball 1501, and the magnetism of the second magnet ball 1502 is opposite to that of the first magnet ball 8, the first magnet ball 8 has upward adsorption force, so that the driving force for the upward movement of the magnetic lifting rope 14 is additionally increased, and the bottom of the installation cylinder 2 is filled with water 16.
The using method of the device comprises the following steps:
s1, in the noon, sunlight directly irradiates the heat conducting rod 4, the heat conducting rod 4 absorbs heat of sunlight and transfers the heat to the elastic shell 5, the memory metal rod 6 is heated to deform and is changed from a bending state to a straight state, and meanwhile the elastic shell 5 expands under the extrusion of the memory metal rod 6 and the action of internal air, so that the horizontal plane of water 16 is raised;
s2, the heat conducting rod 4 transfers heat to the magnetism isolating cover 9 through the heat transfer element 11, the memory metal sheet 10 is heated to deform to open the open hole, the magnetic induction line of the first magnet ball 8 passes through the open hole to act on the magnetic lifting rope 14, and under the combined action of upward attraction of the first magnet ball 8 to the magnetic lifting rope 14 and the lifting of the dynamic counterweight ball 15 by water 16, the reflector 13 gradually rotates from a vertical state to a horizontal state, so that sunlight is blocked;
s3, along with the skew of the sun ray, the direct projection angle that heat conduction stick 4 received is littleer and more, and the heat that heat conduction stick 4 absorbed is also littleer and less, along with thermal dissipation, memory metal sheet 10 resumes gradually to warp and makes the trompil on the magnetism shield 9 close, thereby dynamic counterweight ball 15 drops down and draws back reflector panel 13 in accomodating groove 12 under the action of gravity to let the plant in the greenhouse body 1 carry out normal photosynthesis.
The reflecting plate is arranged to block solar rays, the temperature in the greenhouse at noon can be reduced, withering and even death of plants due to large water loss can be avoided, the elastic shell is expanded by utilizing large heat generated by direct irradiation of solar rays at noon to raise the horizontal plane, the dynamic counterweight ball moves upwards, meanwhile, the memory metal sheet is deformed by heat, the opening on the magnetism isolating cover is opened to allow magnetic induction lines to pass through, so that upward adsorption force is generated on the magnetic lifting rope by the magnet ball, the driving action of upward floating of the dynamic counterweight ball is added, the reflecting plate gradually rotates to the horizontal state from the vertical state, further, the light is blocked, the effect of shading the greenhouse is realized, when the solar rays deviate, the magnet ball loses the adsorption effect on the magnetic lifting rope along with the dissipation of heat, and the reflecting plate is pulled back into the accommodating groove under the action of gravity of the dynamic counterweight ball, to ensure normal photosynthesis of the plant.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a shade for greenhouse, includes greenhouse body (1), its characterized in that: the greenhouse is characterized in that a plurality of mounting cylinders (2) are fixedly connected to the upper end side wall of the greenhouse body (1), a fixing seat (3) is fixedly connected to the upper end of each mounting cylinder (2), a heat conducting rod (4) is inserted into each mounting cylinder (2), the upper end of each heat conducting rod (4) penetrates through each fixing seat (3), an elastic shell (5) is arranged on the lower end of each heat conducting rod (4), a memory metal rod (6) is fixedly connected between the inner walls of the two sides of each elastic shell (5), mounting blocks (7) are fixedly connected to the inner walls of the two sides of the upper end, close to the fixing seats (3), of each mounting cylinder (2), first magnet balls (8) are embedded into the lower end side walls of the mounting blocks (7), a magnet isolating cover (9) is covered outside each first magnet ball (8), a plurality of holes are formed in the side wall of each magnet isolating cover (9), and a group of memory metal sheets (10) which are symmetrically arranged, the inner wall of installation piece (7) is inlayed and is had heat transfer member (11) with heat conduction stick (4) fixed connection, and heat transfer member (11) run through to magnetism shield (9), the both sides lateral wall of installation section of thick bamboo (2) has all been seted up and has been accomodate groove (12), and the lower extreme inner wall of accomodating groove (12) rotates and is connected with reflector panel (13), installation section of thick bamboo (2) are close to the upper end lateral wall of accomodating groove (12) and have seted up the opening, and the opening rotates and be connected with the leading wheel, around being equipped with magnetic force lifting rope (14) on the leading wheel, and the one end of magnetic force lifting rope (14) and the lateral wall fixed connection of reflector panel (13), the one end fixedly connected with developments counterweight ball (15) of reflector panel (13) are kept away from in magnetic force lifting rope (14), the bottom packing of installation section of thick bamboo.
2. The shade apparatus for greenhouses according to claim 1, wherein: elasticity casing (5) are the rectangle structure, elasticity casing (5) comprise fixed body (501) and elastic deformation body (502), and the left and right sides that elastic deformation body (502) occupy elasticity casing (5), elastic deformation body (502) adopt rubber materials.
3. The shade apparatus for greenhouses according to claim 1, wherein: the magnetic lifting rope (14) comprises a lifting rope (1401), a plurality of cavities which are arranged at equal intervals are formed in the lifting rope (1401), and magnetic fluid (1402) is filled in the cavities.
4. The shade apparatus for greenhouses according to claim 1, wherein: the dynamic counterweight ball (15) comprises a buoyancy ball (1501), a second magnet ball (1502) is placed in the buoyancy ball (1501), and the magnetism of the second magnet ball (1502) is opposite to that of the first magnet ball (8).
5. The shade apparatus for greenhouses according to claim 4, wherein: the buoyancy ball (1501) is of a hollow structure, and the buoyancy ball (1501) is made of buoyancy materials.
6. The shade apparatus for greenhouses according to claim 1, wherein: the side wall of the upper end of the fixed seat (3) is a groove, and a heat insulation film (17) is bonded to the side edge of the fixed seat (3).
7. The shade apparatus for greenhouses according to claim 1, wherein: the elastic shell (5) is of a sealing structure, and air is filled in the elastic shell (5).
8. Use of the shade device for greenhouses according to any one of claims 1 to 7, wherein: the method comprises the following steps:
s1, in the noon, sunlight directly irradiates the heat conducting rod (4), the heat conducting rod (4) absorbs the heat of sunlight and transmits the heat to the elastic shell (5), the memory metal rod (6) is heated to deform and is changed from a bending state to a straight state, and meanwhile the elastic shell (5) expands under the extrusion of the memory metal rod (6) and the action of internal air, so that the horizontal plane of water (16) is raised;
s2, the heat conducting rod (4) transfers heat to the magnetism isolating cover (9) through the heat transfer element (11), the memory metal sheet (10) is heated to deform to open the opening, the magnetic induction line of the first magnet ball (8) passes through the opening to act on the magnetic lifting rope (14), and the reflector (13) gradually rotates from the vertical state to the horizontal state under the combined action of the upward attraction of the first magnet ball (8) to the magnetic lifting rope (14) and the lifting of the dynamic counterweight ball (15) by water (16), so that sunlight is blocked;
s3, along with the skew of the sun ray, the direct incident angle that heat conduction stick (4) received is littleer and more, and the heat that heat conduction stick (4) absorbed is also less and less, along with thermal loss, memory metal sheet (10) resume gradually to warp and make the trompil on magnetism isolating cover (9) close, thereby dynamic counterweight ball (15) tenesmus draws reflector panel (13) back and accomodates in groove (12) under the action of gravity to let the plant in greenhouse body (1) can carry out normal photosynthesis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011093806.1A CN112243761A (en) | 2020-10-14 | 2020-10-14 | Shading device for greenhouse and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011093806.1A CN112243761A (en) | 2020-10-14 | 2020-10-14 | Shading device for greenhouse and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112243761A true CN112243761A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011093806.1A Withdrawn CN112243761A (en) | 2020-10-14 | 2020-10-14 | Shading device for greenhouse and use method thereof |
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| Country | Link |
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| CN (1) | CN112243761A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058988A (en) * | 2021-03-01 | 2021-07-02 | 宁波鄞州华智生物科技有限公司 | Pre-buried formula acid soil prosthetic devices |
| CN114857885A (en) * | 2021-04-16 | 2022-08-05 | 高军 | Take drying-machine for chemical production of heat recovery structure |
-
2020
- 2020-10-14 CN CN202011093806.1A patent/CN112243761A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058988A (en) * | 2021-03-01 | 2021-07-02 | 宁波鄞州华智生物科技有限公司 | Pre-buried formula acid soil prosthetic devices |
| CN114857885A (en) * | 2021-04-16 | 2022-08-05 | 高军 | Take drying-machine for chemical production of heat recovery structure |
| CN114857885B (en) * | 2021-04-16 | 2024-04-23 | 郑州宏基矿山机械有限公司 | Take heat recovery structure's drying-machine for chemical production |
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