Double-layer heat insulation structure for greenhouse and greenhouse using same

Abstract

The greenhouse is of a double-layer heat insulation structure, and the outer-layer heat insulation structure and the inner-layer heat insulation structure are each provided with a light-transmitting window. The relative position relation of the outer-layer heat insulation structure and the inner-layer heat insulation structure can be changed so that the amount of light projected into the greenhouse can be changed. The utility model further provides a greenhouse using the double-layer heat insulation structure for the greenhouse. The greenhouse comprises a supporting framework, a light-transmitting inner film and the heat insulation structure. Wherein the heat insulation structure is a layered heat insulation structure with an upper layer and a lower layer, namely an outer-layer heat insulation structure and an inner-layer heat insulation structure; the inner layer heat insulation structure and the outer layer heat insulation structure are sequentially arranged outside the light-transmitting inner film from near to far. The double-layer heat insulation structure for the greenhouse and the greenhouse using the double-layer heat insulation structure have the advantages of being simple in structure, convenient to use and adjust, high in operability and excellent in comprehensive technical effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of scheme design and application of agricultural greenhouse, and particularly provides a double-layer heat insulation structure for greenhouse and the greenhouse using the structure. BACKGROUND

[0002] Greenhouse is an important basis of modern agricultural counter-season planting technology, and there are various structure improvement design schemes and application schemes based on greenhouse, but the technical effect needs to be improved. Some typical technical problems to be solved are introduced as follows:

[0003] Firstly, the temperature in the greenhouse may be too high when the sunlight is good, which is not conducive to crop growth. Secondly, the existing heat insulation layer for isolating light and heat is relatively complex to retract and extend. Thirdly, the structure for adjusting the amount of light entering the greenhouse is complex to operate and has poor effect.

[0004] Therefore, people urgently hope to obtain a double-layer heat insulation structure for greenhouse with excellent technical effect and the greenhouse using the structure. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a double-layer heat insulation structure for greenhouse with excellent technical effect and the greenhouse using the structure.

[0006] The utility model provides a double-layer heat insulation structure for greenhouse, which comprises two layers of layered heat insulation structures, i.e. outer heat insulation structure 1 and inner heat insulation structure 2. The technical key point is that the outer heat insulation structure 1 and the inner heat insulation structure 2 are both provided with light-transmitting windows 3. The light-transmitting windows 3 arranged on the outer heat insulation structure 1 and the inner heat insulation structure 2 can be relatively arranged and can change the relative position relationship so as to change the amount of light projected into the greenhouse. When the light-transmitting windows 3 on the outer heat insulation structure 1 and the inner heat insulation structure 2 have high coincidence degree, more sunlight is transmitted into the greenhouse. When the light-transmitting windows 3 on the outer heat insulation structure 1 and the inner heat insulation structure 2 have low coincidence degree or even no coincidence part, less sunlight is transmitted into the greenhouse or even no sunlight is transmitted into the greenhouse.

[0007] The outer heat insulation structure 1 and the inner heat insulation structure 2 are both non-light-transmitting heat insulation structures except the light-transmitting windows 3.

[0008] The double-layer heat insulation structure for greenhouse, the preferred technical content to be protected is as follows:

[0009] The shape of the light-transmitting window 3 arranged on the outer heat insulation structure 1 and the inner heat insulation structure 2 is one of the following or a combination thereof: polygon, circle, ellipse, gear shape, semicircle, semi-ellipse, part of a circle except for a semicircle, and part of an ellipse except for a semi-ellipse; the shape and size of the light-transmitting window 3 arranged on the outer heat insulation structure 1 and the inner heat insulation structure 2 can be the same or similar or different; and different technical effects are obtained.

[0010] The effective area of the light-transmitting window 3 before and after adjustment accounts for 0-90% of the total area of the light-receiving surface of the heat insulation structure. Sunlight can be selectively projected into part of the interior space of the greenhouse.

[0011] The outer heat insulation structure 1 and / or the inner heat insulation structure 2 is provided with a position and posture adjustment structure 4 capable of adjusting the spatial position and / or posture thereof, and the position and posture adjustment structure 4 is a traction rope or a traction belt. The direction of the action of the position and posture adjustment structure 4 for adjusting the spatial position and / or posture of the outer heat insulation structure 1 and / or the inner heat insulation structure 2 is one of the following or a combination thereof: (1) parallel to the folding or unfolding direction of the outer heat insulation structure 1 or the inner heat insulation structure 2; (2) perpendicular to the folding or unfolding direction of the outer heat insulation structure 1 or the inner heat insulation structure 2; and (3) at an angle of 10-89° with the folding or unfolding direction of the outer heat insulation structure 1 or the inner heat insulation structure 2. Different arrangements correspond to different operation methods and different technical effects.

[0012] The effective area of the light-transmitting window 3 before and after adjustment accounts for 0-60% of the total area of the light-receiving surface of the heat insulation structure. This is a preferred data. The light-transmitting window 3 arranged on the outer heat insulation structure 1 and / or the inner heat insulation structure 2 can change the relative position relationship to change the amount of light projected into the greenhouse.

[0013] The double-layer heat insulation structure for the greenhouse meets one of the following requirements or a combination thereof:

[0014] (1) The outer side of the outer heat insulation structure 1 is provided with a reflective film or a reflective coating capable of reflecting sunlight. The reflective film or the reflective coating can further ensure the efficiency of reflecting sunlight and protect the heat insulation structure itself.

[0015] (2) The outer heat insulation structure 1 and / or the inner heat insulation structure 2 is provided with a transverse reinforcing structure 10, which is a rod-shaped reinforcing structure.

[0016] (3) The area of the light-transmitting window 3 is not greater than 5m 2 .

[0017] The utility model discloses still request protection uses the big -arch shelter of preceding double -deck heat -insulation structure's big -arch shelter, it contains support framework 6, light -transmitting inner membrane 5, heat -insulation structure, wherein, heat -insulation structure is the stratified heat -insulation structure of two layers of upper and lower: outer layer heat -insulation structure 1, inner layer heat -insulation structure 2, inner layer heat -insulation structure 2, outer layer heat -insulation structure 1 is arranged in light -transmitting inner membrane 5 outside in turn from near and far in turn, and its technical key is:

[0018] Outer layer heat -insulation structure 1, inner layer heat -insulation structure 2 all are provided with light -transmitting window 3, and the light -transmitting window 3 arranged on outer layer heat -insulation structure 1 and inner layer heat -insulation structure 2 can be relatively arranged and can change its relative position relation to change how much light projected into the big -arch shelter inside:

[0019] Outer layer heat -insulation structure 1, inner layer heat -insulation structure 2 are all the non -light -transmitting isolation heat -insulation structure except light -transmitting window 3.

[0020] The utility model discloses the big -arch shelter of using big -arch shelter double -deck heat -insulation structure, and the preferred request protection's technical content is:

[0021] The big -arch shelter of using big -arch shelter double -deck heat -insulation structure is still provided with solar heat -absorbing energy -storing unit 7 inside. In order to absorb heat when the temperature in the big -arch shelter is too high to adjust the temperature in the big -arch shelter, and the energy -storing unit releases heat to increase the temperature in the big -arch shelter at night.

[0022] Solar heat -absorbing energy -storing unit 7 is located on the north wall of the plastic big -arch shelter or / and the ceiling near the north wall.

[0023] The roller for rolling up outer layer heat -insulation structure 1 or / and inner layer heat -insulation structure 2 is arranged near the ground, and at least one of outer layer heat -insulation structure roller 8 and inner layer heat -insulation structure roller 9 is provided with a structure capable of adjusting its spatial position or / and attitude; In order to realize the close fit between outer layer heat -insulation structure 1 and inner layer heat -insulation structure 2 or artificially create a gap for relative position change; Or to facilitate the close fit between inner layer heat -insulation structure 2 and light -transmitting inner membrane 5 or artificially create a gap for relative position change; One of the purposes of using the structure capable of adjusting its spatial position or / and attitude is to resist wind pressure.

[0024] The big -arch shelter of using big -arch shelter double -deck heat -insulation structure meets one of the following requirements or their combination:

[0025] First, the structure capable of adjusting its spatial position or / and attitude arranged at least one of outer layer heat -insulation structure roller 8 and inner layer heat -insulation structure roller 9 is a movable cross shaft support seat 11 used as a support installation base;

[0026] Second, a redirecting roller 12 capable of guiding outer layer heat -insulation structure 1 out of outer layer heat -insulation structure roller 8 is also arranged at the lowermost part of the outer side of the big -arch shelter.

[0027] Third, the lowermost part of the outside of the greenhouse is provided with a redirection roller 12 which can guide the inner layer heat insulation structure 2 to the inner layer heat insulation structure roller 9.

[0028] The double-layer heat insulation structure for greenhouse and the greenhouse using the structure have simple structure, are convenient to use and adjust, have strong operability, and have excellent comprehensive technical effects. BRIEF DESCRIPTION OF DRAWINGS

[0029] The application will be further described in detail below in combination with the drawings and embodiments:

[0030] Figure 1 It is a structural schematic diagram of the outer layer heat insulation structure 1 in the double-layer heat insulation structure for greenhouse in Example 1.

[0031] Figure 2 It is a structural schematic diagram of the inner layer heat insulation structure 2 in the double-layer heat insulation structure for greenhouse in Example 1.

[0032] Figure 3 It is a structural schematic diagram of the double-layer heat insulation structure for greenhouse when the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are completely staggered relative to the light-transmitting window 3 on the inner layer heat insulation structure 2, that is, when the light-transmitting window 3 is in a closed state, in Example 1.

[0033] Figure 4 It is a structural schematic diagram of the double-layer heat insulation structure for greenhouse when the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are completely overlapped relative to the light-transmitting window 3 on the inner layer heat insulation structure 2, that is, when the light-transmitting window 3 is in a fully opened state, in Example 1.

[0034] Figure 5 It is a structural schematic diagram of the outer layer heat insulation structure 1 in the double-layer heat insulation structure for greenhouse in Example 3.

[0035] Figure 6 It is a structural schematic diagram of the inner layer heat insulation structure 2 in the double-layer heat insulation structure for greenhouse in Example 3.

[0036] Figure 7 It is a structural schematic diagram of the double-layer heat insulation structure for greenhouse when the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are completely staggered relative to the light-transmitting window 3 on the inner layer heat insulation structure 2, that is, when the light-transmitting window 3 is in a closed state, in Example 3.

[0037] Figure 8 It is a structural schematic diagram of the double-layer heat insulation structure for greenhouse when the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are completely overlapped relative to the light-transmitting window 3 on the inner layer heat insulation structure 2, that is, when the light-transmitting window 3 is in a fully opened state, in Example 3.

[0038] Figure 9 It is a structural schematic diagram of the double-layer heat insulation structure for greenhouse in Example 2 or Example 4 or Example 5. DETAILED DESCRIPTION

[0039] Embodiment 1

[0040] A double-layer heat insulation structure for a greenhouse, as shown in Figures 1-4 ; it comprises two layers of heat insulation structure: outer heat insulation structure 1 and inner heat insulation structure 2; the key technology is that the outer heat insulation structure 1 and the inner heat insulation structure 2 are both provided with light-transmitting windows 3; the light-transmitting windows 3 arranged on the outer heat insulation structure 1 and the inner heat insulation structure 2 can be relatively arranged and can change their relative position relationship so as to change the amount of light projected into the greenhouse; when the light-transmitting windows 3 on the outer heat insulation structure 1 and the inner heat insulation structure 2 have high coincidence degree, more sunlight is transmitted into the greenhouse; when the light-transmitting windows 3 on the outer heat insulation structure 1 and the inner heat insulation structure 2 have low coincidence degree or even no coincidence part, less sunlight is transmitted into the greenhouse or even no sunlight is transmitted into the greenhouse;

[0041] The outer heat insulation structure 1 and the inner heat insulation structure 2 are both non-light-transmitting insulation structures except for the light-transmitting windows 3.

[0042] In the double-layer heat insulation structure for the greenhouse, the light-transmitting windows 3 arranged on the outer heat insulation structure 1 and the inner heat insulation structure 2 are in polygonal shape (rectangular shape); the light-transmitting windows 3 arranged on the outer heat insulation structure 1 and the inner heat insulation structure 2 are the same or similar in shape and size; they correspond to different technical effects.

[0043] The effective area of the light-transmitting windows 3 before and after adjustment accounts for 0-60% of the total area of the light-receiving surface of the entire heat insulation structure. Sunlight can be selectively projected into part of the interior space of the greenhouse; so that the light-transmitting windows 3 arranged on the outer heat insulation structure 1 and / or the inner heat insulation structure 2 can change their relative position relationship so as to change the amount of light projected into the greenhouse.

[0044] The outer heat insulation structure 1 and / or the inner heat insulation structure 2 is provided with a position and posture adjusting structure 4 capable of adjusting the spatial position and / or posture of the outer heat insulation structure 1 and / or the inner heat insulation structure 2; the position and posture adjusting structure 4 is a traction rope or a traction belt; the action direction of the position and posture adjusting structure 4 for adjusting the spatial position and / or posture of the outer heat insulation structure 1 and / or the inner heat insulation structure 2 is one of the following or a combination thereof: one is parallel to the folding or / and unfolding direction of the outer heat insulation structure 1 or the inner heat insulation structure 2; the other is perpendicular to the folding or / and unfolding direction of the outer heat insulation structure 1 or the inner heat insulation structure 2; the third is at an angle of 10°-89° with the folding or / and unfolding direction of the outer heat insulation structure 1 or the inner heat insulation structure 2; different arrangement modes correspond to different operation methods and different technical effects.

[0045] The double-layer heat insulation structure for the greenhouse meets the following requirements:

[0046] The outer side of the outer layer heat insulation structure 1 is provided with a reflective film or reflective coating capable of reflecting sunlight; the outer side of the outer layer heat insulation structure 1 is provided with a reflective film or reflective coating capable of reflecting sunlight. The reflective film or reflective coating can further ensure the efficiency of reflecting sunlight, thereby protecting the heat insulation structure itself.

[0047] The area of the light-transmitting window 3 is not greater than 5m 2 .

[0048] Embodiment 2

[0049] The greenhouse using the double-layer heat insulation structure for greenhouse described in Embodiment 1 is shown in Figure 9 ; it comprises a support framework 6, a light-transmitting inner film 5, and a heat insulation structure; wherein the heat insulation structure is a layered heat insulation structure with two layers: an outer layer heat insulation structure 1 and an inner layer heat insulation structure 2; the inner layer heat insulation structure 2 and the outer layer heat insulation structure 1 are arranged in turn from near to far outside the light-transmitting inner film 5; the technical key is:

[0050] The outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are both provided with a light-transmitting window 3; the light-transmitting windows 3 arranged on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 can be relatively arranged and can change their relative position relationship in order to change the amount of light projected into the greenhouse;

[0051] The outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are both provided with a light-transmitting window 3; the light-transmitting windows 3 arranged on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 can be relatively arranged and can change their relative position relationship in order to change the amount of light projected into the greenhouse;

[0052] The outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are both provided with a light-transmitting window 3; the light-transmitting windows 3 arranged on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 can be relatively arranged and can change their relative position relationship in order to change the amount of light projected into the greenhouse;

[0053] The solar heat absorption and energy storage unit 7 is located on the north wall of the plastic greenhouse or / and near the ceiling of the north wall.

[0054] The roller for rolling up the outer layer heat insulation structure 1 or / and the inner layer heat insulation structure 2 is arranged near the ground, and at least one of the outer layer heat insulation structure roller 8 and the inner layer heat insulation structure roller 9 is provided with a structure capable of adjusting its spatial position or / and attitude; in order to realize the close fit or artificial gap between the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2, or to realize the close fit or artificial gap between the inner layer heat insulation structure 2 and the light-transmitting inner film 5; one of the purposes of using the structure capable of adjusting its spatial position or / and attitude is to resist wind pressure.

[0055] The greenhouse using the double-layer heat insulation structure for greenhouse meets one or a combination of the following requirements:

[0056] One, at least one of the outer layer heat insulation structure drum 8 and the inner layer heat insulation structure drum 9 is provided with a structure capable of adjusting the spatial position or / and the attitude, which is an active cross shaft support seat 11 used as a support installation base;

[0057] Second, a redirection drum 12 is further provided at the lowermost part of the outer side of the sun-facing surface of the greenhouse, which can guide the outer layer heat insulation structure 1 to the outer layer heat insulation structure drum 8;

[0058] Third, a redirection drum 12 is further provided at the lowermost part of the outer side of the sun-facing surface of the greenhouse, which can guide the inner layer heat insulation structure 2 to the inner layer heat insulation structure drum 9.

[0059] The advantages of the embodiment are that the double-layer heat insulation structure for the greenhouse and the greenhouse using the structure are simple in structure, convenient to use and adjust, and have strong operability and excellent comprehensive technical effect.

[0060] Embodiment 3

[0061] A double-layer heat insulation structure for a greenhouse, referring to Figures 5-8 ; which comprises two layers of layered heat insulation structures: an outer layer heat insulation structure 1 and an inner layer heat insulation structure 2; the technical key is that the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are both provided with light-transmitting windows 3; the light-transmitting windows 3 arranged on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 can be relatively arranged and can change their relative position relationship so as to change the amount of light projected into the greenhouse; when the light-transmitting windows 3 on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 have high coincidence degree, more sunlight is transmitted into the greenhouse; when the light-transmitting windows 3 on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 have low coincidence degree or even no overlapping part, less sunlight is transmitted into the greenhouse or even no sunlight is transmitted into the greenhouse;

[0062] The outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are both non-light-transmitting insulation structures except for the light-transmitting windows 3.

[0063] The light-transmitting windows 3 arranged on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are polygonal (rectangular) in shape; the light-transmitting windows 3 arranged on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are the same in shape and size;

[0064] The effective area of the light-transmitting windows 3 before and after adjustment accounts for 0-40% of the total area of the light-receiving surface of the entire heat insulation structure. Sunlight can be selectively projected into part of the interior space of the greenhouse;

[0065] The outer thermal insulation structure 1 or / and the inner thermal insulation structure 2 is provided with a pose adjustment structure 4 capable of adjusting the spatial position or / and the pose thereof, the pose adjustment structure 4 is a traction rope or a traction belt; the action direction of the pose adjustment structure 4 for adjusting the spatial position or / and the pose of the outer thermal insulation structure 1 or / and the inner thermal insulation structure 2 is parallel to the folding or / and unfolding direction of the outer thermal insulation structure 1 or the inner thermal insulation structure 2.

[0066] The double-layer thermal insulation structure for the greenhouse satisfies the following combination of requirements:

[0067] Firstly, the outer side of the outer thermal insulation structure 1 is provided with a reflective film or a reflective coating capable of reflecting sunlight; the outer side of the outer thermal insulation structure 1 is provided with a reflective film or a reflective coating capable of reflecting sunlight. The reflective film or the reflective coating can further ensure the efficiency of reflecting sunlight, thereby protecting the thermal insulation structure itself.

[0068] Secondly, the outer thermal insulation structure 1 or / and the inner thermal insulation structure 2 is provided with a transverse reinforcing structure 10; specifically, a rod-shaped reinforcing structure.

[0069] Thirdly, the area of the light-transmitting window 3 is not greater than 5m 2 .

[0070] Embodiment 4

[0071] The greenhouse using the double-layer thermal insulation structure for the greenhouse described in Embodiment 3 is used as a reference Figure 9 ; which contains a support framework 6, a light-transmitting inner film 5, and a thermal insulation structure; wherein the thermal insulation structure is a layered thermal insulation structure with two layers: an outer thermal insulation structure 1 and an inner thermal insulation structure 2; the inner thermal insulation structure 2 and the outer thermal insulation structure 1 are arranged in order from near to far outside the light-transmitting inner film 5; the technical key is:

[0072] The outer thermal insulation structure 1 and the inner thermal insulation structure 2 are both provided with a light-transmitting window 3; the light-transmitting windows 3 arranged on the outer thermal insulation structure 1 and the inner thermal insulation structure 2 can be relatively arranged and can change their relative position relationship in order to change the amount of light projected into the greenhouse;

[0073] The outer thermal insulation structure 1 and the inner thermal insulation structure 2 are both provided with a light-transmitting window 3; the light-transmitting windows 3 arranged on the outer thermal insulation structure 1 and the inner thermal insulation structure 2 can be relatively arranged and can change their relative position relationship in order to change the amount of light projected into the greenhouse;

[0074] The greenhouse using the double-layer thermal insulation structure for the greenhouse is further provided with a solar heat-absorbing and energy-storing unit 7 inside the greenhouse. In order to absorb heat when the temperature in the greenhouse is too high in order to adjust the temperature in the greenhouse; at the same time, the energy-storing unit releases heat to increase the temperature in the greenhouse at night.

[0075] The solar heat-absorbing and energy-storing unit 7 is located on the north wall of the plastic greenhouse or / and near the ceiling of the north wall.

[0076] The roller for rolling up the outer layer heat insulation structure 1 or / and the inner layer heat insulation structure 2 is arranged near the ground, and at least one of the outer layer heat insulation structure roller 8 and the inner layer heat insulation structure roller 9 is provided with a structure capable of adjusting the spatial position or / and the attitude thereof; so as to realize the close fit between the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 or the relative position change facilitated by the artificially manufactured gap; or to realize the close fit between the inner layer heat insulation structure 2 and the light-transmitting inner film 5 or the relative position change facilitated by the artificially manufactured gap; one of the purposes of using the structure capable of adjusting the spatial position or / and the attitude thereof is to resist the wind pressure.

[0077] The greenhouse using the double-layer heat insulation structure meets the following combination of requirements:

[0078] Firstly, the structure capable of adjusting the spatial position or / and the attitude thereof arranged at at least one of the outer layer heat insulation structure roller 8 and the inner layer heat insulation structure roller 9 is an active cross shaft support seat 11 used as a support installation base;

[0079] Secondly, a redirection roller 12 capable of guiding the outer layer heat insulation structure 1 out of the outer layer heat insulation structure roller 8 is further arranged at the lowermost part of the outer side sunny surface of the greenhouse;

[0080] Thirdly, a redirection roller 12 capable of guiding the inner layer heat insulation structure 2 out of the inner layer heat insulation structure roller 9 is further arranged at the lowermost part of the outer side sunny surface of the greenhouse.

[0081] The advantages of the embodiment are that the double-layer heat insulation structure for the greenhouse and the greenhouse using the structure are simple in structure, convenient to use and adjust, and strong in operability, and have excellent comprehensive technical effects.

[0082] Embodiment 5

[0083] A double-layer heat insulation structure for a greenhouse, not shown in the figure; it comprises two layers of layered heat insulation structures: an outer layer heat insulation structure 1 and an inner layer heat insulation structure 2; the technical key is that the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are both provided with light-transmitting windows 3; the light-transmitting windows 3 arranged on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 can be arranged relatively and can change the relative position relationship so as to change the amount of light projected into the greenhouse; when the light-transmitting windows 3 on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 have a high degree of coincidence, more sunlight is transmitted into the greenhouse; when the light-transmitting windows 3 on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 have a low degree of coincidence or even no overlapping part, less sunlight is transmitted into the greenhouse or even no sunlight is transmitted into the greenhouse;

[0084] The outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are both non-light-transmitting insulation structures except for the light-transmitting windows 3.

[0085] The shape of the light-transmitting window 3 arranged on the outer heat insulation structure 1 and the inner heat insulation structure 2 is one of the following or a combination thereof: polygon, circle, ellipse, gear shape, semicircle, semi-ellipse, part of a circle except for a semicircle, and part of an ellipse except for a semi-ellipse; the shape and size of the light-transmitting window 3 arranged on the outer heat insulation structure 1 and the inner heat insulation structure 2 can be the same or similar or different; and different technical effects are obtained.

[0086] The effective area of the light-transmitting window 3 before and after adjustment accounts for 0-90% of the total area of the light-receiving surface of the heat insulation structure. Sunlight can be selectively projected into part of the interior space of the greenhouse, so that the relative position relationship of the light-transmitting window 3 arranged on the outer heat insulation structure 1 and / or the inner heat insulation structure 2 can be changed to change the amount of light projected into the greenhouse.

[0087] The outer heat insulation structure 1 and / or the inner heat insulation structure 2 is provided with a position and posture adjustment structure 4 capable of adjusting the spatial position and / or posture thereof, and the position and posture adjustment structure 4 is a traction rope or a traction belt. The action direction of the position and posture adjustment structure 4 for adjusting the spatial position and / or posture of the outer heat insulation structure 1 and / or the inner heat insulation structure 2 is one of the following or a combination thereof: (1) parallel to the folding or unfolding direction of the outer heat insulation structure 1 or the inner heat insulation structure 2; (2) perpendicular to the folding or unfolding direction of the outer heat insulation structure 1 or the inner heat insulation structure 2; and (3) at an angle of 10-89° with the folding or unfolding direction of the outer heat insulation structure 1 or the inner heat insulation structure 2. Different arrangements correspond to different operation methods and different technical effects.

[0088] The double-layer heat insulation structure for the greenhouse satisfies one of the following or a combination thereof:

[0089] (1) The outer side of the outer heat insulation structure 1 is provided with a reflective film or a reflective coating capable of reflecting sunlight. The reflective film or the reflective coating can further improve the efficiency of reflecting sunlight and protect the heat insulation structure itself.

[0090] (2) The outer heat insulation structure 1 and / or the inner heat insulation structure 2 is provided with a transverse reinforcing structure 10, which is a rod-shaped reinforcing structure.

[0091] (3) The area of the light-transmitting window 3 is not greater than 5m 2 .

[0092] Example 6

[0093] The greenhouse using the double-layer heat insulation structure for the greenhouse described in Example 5 is used, and the following is described with reference to Figure 9; It comprises a support framework 6, a light-transmitting inner film 5, and a heat insulation structure; wherein the heat insulation structure is a layered heat insulation structure with two layers, an outer layer heat insulation structure 1 and an inner layer heat insulation structure 2; the inner layer heat insulation structure 2 and the outer layer heat insulation structure 1 are arranged in turn outside the light-transmitting inner film 5 from near to far; the technical key is that:

[0094] The outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are both provided with light-transmitting windows 3; the light-transmitting windows 3 arranged on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 can be arranged relatively and can change their relative position relationship so as to change the amount of light projected into the greenhouse;

[0095] The outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 are both provided with light-transmitting windows 3; the light-transmitting windows 3 arranged on the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2 can be arranged relatively and can change their relative position relationship so as to change the amount of light projected into the greenhouse;

[0096] The greenhouse using the double-layer heat insulation structure is further provided with a solar heat absorption and energy storage unit 7 inside the greenhouse, so as to absorb heat when the temperature in the greenhouse is too high to adjust the temperature in the greenhouse, and to release heat at night to increase the temperature in the greenhouse.

[0097] The solar heat absorption and energy storage unit 7 is located on the north wall of the plastic greenhouse or / and the ceiling close to the north wall.

[0098] The roller for rolling up the outer layer heat insulation structure 1 or / and the inner layer heat insulation structure 2 is arranged close to the ground, and at least one of the outer layer heat insulation structure roller 8 and the inner layer heat insulation structure roller 9 is provided with a structure capable of adjusting its spatial position or / and attitude; so as to realize the close fit or artificial gap between the outer layer heat insulation structure 1 and the inner layer heat insulation structure 2, or to realize the close fit or artificial gap between the inner layer heat insulation structure 2 and the light-transmitting inner film 5; one of the purposes of using the structure capable of adjusting its spatial position or / and attitude is to resist wind pressure.

[0099] The greenhouse using the double-layer heat insulation structure meets one or a combination of the following requirements:

[0100] First, the structure capable of adjusting its spatial position or / and attitude arranged at least one of the outer layer heat insulation structure roller 8 and the inner layer heat insulation structure roller 9 is a movable cross shaft support seat 11 used as a support installation base;

[0101] Second, a redirection roller 12 capable of guiding the outer layer heat insulation structure 1 out of the outer layer heat insulation structure roller 8 is arranged close to the lowermost part of the sunny side of the greenhouse outside;

[0102] Third, a redirection roller 12 capable of guiding the inner layer heat insulation structure 2 out of the inner layer heat insulation structure roller 9 is arranged close to the lowermost part of the sunny side of the greenhouse outside.

[0103] The double-layer heat insulation structure for the greenhouse and the greenhouse using the double-layer heat insulation structure have the advantages of simple structure, convenient use and adjustment, strong operability and excellent comprehensive technical effect.

Claims

1. A double-layer heat-insulating structure for a greenhouse, comprising two layers of heat-insulating structures, an outer heat-insulating structure (1) and an inner heat-insulating structure (2); characterized in that: The outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) are provided with light-transmitting windows (3); the light-transmitting windows (3) arranged on the outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) can be arranged oppositely and can change the relative position relationship so as to change the amount of light projected into the greenhouse; The outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) are provided with light-transmitting windows (3); the light-transmitting windows (3) arranged on the outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) can be arranged oppositely and can change the relative position relationship so as to change the amount of light projected into the greenhouse; 2. The double-layer thermal insulation structure for a greenhouse according to claim 1, characterized in that: The outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) are provided with light-transmitting windows (3); the light-transmitting windows (3) arranged on the outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) can be arranged oppositely and can change the relative position relationship so as to change the amount of light projected into the greenhouse; The effective area of the light-transmitting window (3) before and after adjustment accounts for 0-90% of the total area of the light-receiving surface of the heat insulation structure.

3. The double-layer thermal insulation structure for a greenhouse according to claim 2, characterized in that: The outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) are provided with light-transmitting windows (3); the light-transmitting windows (3) arranged on the outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) can be arranged oppositely and can change the relative position relationship so as to change the amount of light projected into the greenhouse; The effective area of the light-transmitting window (3) before and after adjustment accounts for 0-60% of the total area of the light-receiving surface of the heat insulation structure.

4. The double-layer thermal insulation structure for a greenhouse according to claim 3, characterized in that: The double-layer heat insulation structure for the greenhouse meets one or a combination of the following requirements: The outer layer heat insulation structure (1) is provided with a reflective film or a reflective coating on the outer side surface, which can reflect sunlight; The outer layer heat insulation structure (1) and / or the inner layer heat insulation structure (2) are provided with a transverse reinforcing structure (10); Thirdly, the area of the light-transmitting window (3) is not greater than 5 m 2 .

5. The greenhouse using the double-layer heat insulation structure of claim 1, comprising a support framework (6), a light-transmitting inner film (5), and a heat insulation structure; wherein, The heat insulation structure is a layered heat insulation structure with two layers, i.e., the outer layer heat insulation structure (1) and the inner layer heat insulation structure (2); the inner layer heat insulation structure (2) and the outer layer heat insulation structure (1) are arranged in turn outside the light-transmitting inner film (5) from near to far; and the heat insulation structure is characterized in that: The outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) are provided with light-transmitting windows (3); the light-transmitting windows (3) arranged on the outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) can be arranged oppositely and can change the relative position relationship so as to change the amount of light projected into the greenhouse; The outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) are provided with light-transmitting windows (3); the light-transmitting windows (3) arranged on the outer layer heat insulation structure (1) and the inner layer heat insulation structure (2) can be arranged oppositely and can change the relative position relationship so as to change the amount of light projected into the greenhouse; 6. The greenhouse using the double-layer thermal insulation structure for the greenhouse according to claim 5, characterized in that: The greenhouse using the double-layer heat insulation structure for the greenhouse is further provided with a solar heat absorption and energy storage unit (7).

7. The greenhouse using the double-layer thermal insulation structure for the greenhouse according to claim 6, characterized in that: The solar heat absorption and energy storage unit (7) is located on the north wall of the plastic greenhouse or / and the ceiling close to the north wall.

8. The greenhouse using the double-thermal- insulation structure for the greenhouse according to claim 6 or 7, characterized in that: The roller for rolling up the outer layer heat insulation structure (1) or / and the inner layer heat insulation structure (2) is arranged near the ground, and at least one of the outer layer heat insulation structure roller (8) and the inner layer heat insulation structure roller (9) is provided with a structure capable of adjusting the spatial position or / and the attitude thereof.

9. The greenhouse using the double-thermal- insulation structure for the greenhouse according to claim 6 or 7, characterized by: The greenhouse using the double-layer heat insulation structure satisfies one or a combination of the following requirements: One, the structure capable of adjusting the spatial position or / and the attitude thereof arranged at least one of the outer layer heat insulation structure roller (8) and the inner layer heat insulation structure roller (9) is a movable cross shaft support seat (11) used as a support installation base; Two, a redirection roller (12) capable of guiding the outer layer heat insulation structure (1) to the outer layer heat insulation structure roller (8) is further arranged at the lowermost part of the outer side sunny surface of the greenhouse; Three, a redirection roller (12) capable of guiding the inner layer heat insulation structure (2) to the inner layer heat insulation structure roller (9) is further arranged at the lowermost part of the outer side sunny surface of the greenhouse.

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