Solar greenhouse ventilation opening double-layer heat preservation curtain for agricultural planting

The problem of reduced Velcro adhesion was solved by using a rotating mechanism and positioning system, achieving a tight fit between the inner curtain and the ventilation window, reducing heat loss and the risk of pests and diseases, and improving the heat preservation performance of greenhouses for agricultural planting and the suitability of the crop growth environment.

CN223745394UActive Publication Date: 2026-01-02PEOPLES GOVERNMENT OF XIJING TOWN GULANG COUNTY +1
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Patent Information

Application Number
CN202520131190.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-02
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

The adhesive strength of the Velcro on existing double-layer thermal insulation curtains decreases with use and environmental factors, making it unable to fit tightly against the ventilation frame, resulting in heat loss and increased risk of pests and diseases.

Method used

The system employs a rotating mechanism and positioning system, including rollers, pull ropes, limit boxes, and positioning blocks, to ensure a tight fit between the inner curtain and the ventilation window. It also uses a fan to regulate airflow, forming a double-layer insulation structure.

Benefits of technology

It effectively reduces heat loss, improves insulation performance, ensures stable raising and lowering of the inner curtain and ventilation window, reduces the risk of pests and diseases, and creates a suitable growing environment for crops.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of agricultural planting, and discloses a sunlight greenhouse ventilation opening double-layer heat preservation curtain for agricultural planting, which comprises a wall body, the outer wall of the wall body is provided with a ventilation window, the rear side of the outer wall of the wall body is fixedly connected with two supports, the inner walls of the two supports are both rotatably connected with the same scroll, and the scroll is fixedly connected with the wall body. The outer wall of the reel is fixedly connected with a curtain edge, the inner wall of the curtain edge is fixedly connected with an inner curtain, the bottom of the curtain edge is fixedly connected with a positioning buckle, the rear side of the outer wall of the wall body is fixedly connected with two side boxes, side grooves are formed in the adjacent sides of the outer walls of the two side boxes, and the rear side of the outer wall of the wall body is fixedly connected with a bottom box. According to the utility model, the side edges of the curtain edge are clamped in the side grooves of the two side boxes, the bottom of the curtain edge penetrates through the bottom box, and meanwhile, the positioning buckle is clamped with the positioning block, so that the inner curtain is tightly attached to the ventilation window, the heat loss is reduced, and the heat preservation performance is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural planting technical field especially relates to agricultural planting is with daylight greenhouse air vent double -deck heat preservation curtain. BACKGROUND

[0002] Daylight greenhouse is a kind of agricultural facilities, mainly for in the season of not suitable for crop growth, create suitable planting environment, greenhouse has three walls, absorbs and stores solar radiation heat in daytime, has a transparent roof to south, adopts plastic film or glass material, let sunlight can be fully irradiated into room, make indoor ground and wall absorb heat, for maintaining indoor temperature, air vent is the passage of air exchange inside and outside greenhouse, for discharging hot air in greenhouse, effectively reduce indoor temperature, humidity, adjust indoor air composition, simultaneously air vent introduces fresh air according to need, make the air in greenhouse form convection, improve ventilation condition.

[0003] In agricultural daylight greenhouse, it is very necessary to set double-layer heat preservation curtain in air vent, first, air vent is the place where heat is easily lost, there is air layer between double-layer heat preservation curtain, air is poor conductor of heat, can greatly slow down heat conduction, can effectively maintain indoor temperature in cold period, creates suitable environment for crop, second, double-layer heat preservation curtain can better seal air vent when closing, can prevent cold air from pouring back at night or in gale, also can block pests from entering from air vent, reduces the risk of disease and insect pests, provides all-round protection for crop growth.

[0004] The existing double-layer heat preservation curtain adopts the structure of inner and outer two curtain bodies, there is certain interval space between two layers, installs track in air vent, realizes the opening and closing of heat preservation curtain by track and pulley, the edge of heat preservation curtain adopts magic tape sealing, but the adhesion of magic tape can reduce with use time and environmental factors, cannot closely adhere to air vent frame, makes the edge become the channel of heat loss, therefore, agricultural planting is with daylight greenhouse air vent double -deck heat preservation curtain to solve the above problems. CONTENT OF UTILITY MODEL

[0005] In order to make up for the above shortcomings, the utility model provides agricultural planting is with daylight greenhouse air vent double -deck heat preservation curtain, aims at improving the adhesion of magic tape in prior art can reduce with use time and environmental factors, cannot closely adhere to air vent frame, makes the edge become the channel of heat loss.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: agricultural planting is with sunlight greenhouse ventilation opening double -deck heat preservation curtain, including wall, the outer wall of wall is seted up with ventilation window, the outer wall rear side of wall is fixedly connected with two supports, the inner wall of two supports is rotatably connected with same reel, the outer wall of reel is fixedly connected with curtain edge, the inner wall of curtain edge is fixedly connected with inner curtain, the bottom of curtain edge is fixedly connected with positioning buckle, the outer wall rear side of wall is fixedly connected with two side boxes, the outer wall adjacent side of two side boxes is seted up with side groove, the outer wall rear side of wall is fixedly connected with bottom box, the outer wall of bottom box is seted up with bottom groove, the outer wall rear side of wall is fixedly connected with positioning block, the outer wall of reel is provided with rotating mechanism, and the rotating mechanism is used for manual opening and closing inner curtain.

[0007] As the further description of the above technical scheme:

[0008] The rotating mechanism includes a clamping wheel, the inner wall of the clamping wheel is fixedly connected to the outer wall of the reel, the outer wall of the clamping wheel is slidably connected with a pull rope, the outer wall of the pull rope is fixedly connected with a plurality of clamping blocks, the outer wall rear side of the wall is fixedly connected with a limiting box, and the inner wall of the limiting box is provided with a limiting groove.

[0009] As the further description of the above technical scheme:

[0010] The outer side of the ventilation window is fixedly connected with a fan frame, and the inner wall of the fan frame is fixedly connected with a fan.

[0011] As the further description of the above technical scheme:

[0012] The outer wall rear side of the wall is fixedly connected with a controller, and the outer wall front side of the wall is fixedly connected with a guide rail.

[0013] As the further description of the above technical scheme:

[0014] The outer wall of the guide rail is slidably connected with a plurality of sliding rings, and the bottom of the guide rail is provided with two outer curtains.

[0015] As the further description of the above technical scheme:

[0016] The outer wall front side of the wall is provided with two fixed seats, and the outer wall of the two fixed seats is fixedly connected with a binding band one.

[0017] As the further description of the above technical scheme:

[0018] The outer wall of the two binding bands one is fixedly connected with a buckle head, and the outer wall of the two fixed seats is fixedly connected with a binding band two.

[0019] As the further description of the above technical scheme:

[0020] The outer wall of the two binding belts is provided with a plurality of buckle holes, and the outer wall of the reel is fixedly connected with two limiting blocks.

[0021] The utility model has the advantages of the following:

[0022] 1. In the utility model, the side edge of the curtain edge is clamped in the side groove of the two side boxes, the bottom penetrates the bottom box, the positioning buckle is clamped with the positioning block, the inner curtain is tightly attached to the ventilation window, heat loss is reduced, heat preservation performance is improved, the controller starts the fan to accelerate indoor and outdoor air circulation, temperature, humidity and gas composition in the greenhouse are quickly adjusted, the environment in the greenhouse is always suitable for the growth of crops, and the yield and quality of crops are improved.

[0023] 2. In the utility model, when the inner curtain and the curtain edge are controlled to lift and lower, the limiting box and the limiting groove in the inner wall thereof provide accurate guidance for the pull rope, the movement of the pull rope is converted into the rotation of the clamping wheel through cooperation of the clamping block and the clamping wheel, the reel is synchronously rotated, the stability and reliability of the lifting and lowering process of the inner curtain and the curtain edge are ensured, the rotating mechanism operates stably, faults are reduced, and the service life of the equipment is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a perspective view of the double-layer heat preservation curtain of the sunlight greenhouse ventilation opening for agricultural planting according to the utility model;

[0025] Figure 2 It is a front view of the double-layer heat preservation curtain of the sunlight greenhouse ventilation opening for agricultural planting according to the utility model;

[0026] Figure 3 It is a rear view of the double-layer heat preservation curtain of the sunlight greenhouse ventilation opening for agricultural planting according to the utility model;

[0027] Figure 4 It is a partial structure schematic view of the double-layer heat preservation curtain of the sunlight greenhouse ventilation opening for agricultural planting according to the utility model;

[0028] Figure 5 It is Figure 1 It is an enlarged view of A;

[0029] Figure 6 It is a structure schematic view of the rotating mechanism of the double-layer heat preservation curtain of the sunlight greenhouse ventilation opening for agricultural planting according to the utility model.

[0030] LEGEND:

[0031] 1, wall; 2, rotating mechanism; 201, clamping wheel; 202, pull rope; 203, clamping block; 204, limiting box; 205, limiting groove; 3, ventilation window; 4, support; 5, reel; 6, curtain edge; 7, inner curtain; 8, positioning buckle; 9, side box; 10, side groove; 11, bottom box; 12, bottom groove; 13, positioning block; 14, fan support; 15, fan; 16, controller; 17, guide rail; 18, slip ring; 19, outer curtain; 20, fixing seat; 21, bandage one; 22, buckle head; 23, bandage two; 24, buckle hole; 25, limiting block. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Referring to the drawings Figure 2 , the drawings Figure 3 , and the drawings Figure 4The utility model provides a kind of embodiment: sunlight greenhouse ventilation opening double-layer heat preservation curtain for agricultural planting, including wall body 1, its role is to provide mounting base and support for entire heat preservation curtain structure, the outer wall of wall body 1 is equipped with ventilation window 3, ventilation window 3 is used to realize the exchange of sunlight greenhouse inside and outside air, the rear side of the outer wall of wall body 1 is fixedly connected with two supports 4, provides installation support point for reel 5, the inner wall of two supports 4 is rotatably connected with same reel 5, reel 5 is supported under the support of support 4, the lifting of curtain edge 6 and inner curtain 7 is realized by rotating, to control the covering and opening state of inner curtain 7 to ventilation window 3, the outer wall of reel 5 is fixedly connected with two limit blocks 25, for limiting the transverse movement of reel 5, prevent it from deviating in the process of rotation, the outer wall of reel 5 is fixedly connected with curtain edge 6, the inner wall of curtain edge 6 is fixedly connected with inner curtain 7, inner curtain 7 is covered or opened ventilation window 3 under the driving of curtain edge 6, play the role of blocking heat loss or realizing ventilation, the bottom of curtain edge 6 is fixedly connected with positioning buckle 8, the rear side of the outer wall of wall body 1 is fixedly connected with two side boxes 9, two side boxes 9 are used to provide guiding and positioning for curtain edge 6, ensure that curtain edge 6 keeps stable track in the process of lifting, the outer wall of two side boxes 9 is equipped with side groove 10 on adjacent side, side groove 10 cooperates with the side of curtain edge 6, guide the lifting of curtain edge 6, make it run smoothly, prevent curtain edge 6 from deviating in the process of movement, simultaneously with curtain edge 6 is engaged, enhance sealing effect, the rear side of the outer wall of wall body 1 is fixedly connected with bottom box 11, bottom box 11 provides movement track for the bottom of curtain edge 6, ensure the stability of the bottom of curtain edge 6 in the process of lifting, the outer wall of bottom box 11 is equipped with bottom groove 12, bottom groove 12 makes the bottom of curtain edge 6 can move smoothly in it, limit the transverse displacement of the bottom of curtain edge 6, the rear side of the outer wall of wall body 1 is fixedly connected with positioning block 13, positioning block 13 cooperates with positioning buckle 8, when curtain edge 6 and inner curtain 7 descend to appropriate position, it is fixed, prevent longitudinal displacement, ensure that inner curtain 7 is closely fitted with ventilation window 3, the outer wall of reel 5 is provided with rotating mechanism 2, rotating mechanism 2 is used for manually opening and closing inner curtain 7;

[0034] Specifically, support 4 supports reel 5, reel 5 can rotate and drive curtain edge 6 and inner curtain 7 to lift, to control the opening and closing and heat preservation of ventilation window 3, curtain edge 6 drives inner curtain 7 to move, inner curtain 7 can block heat loss, positioning buckle 8 cooperates with positioning block 13 to fix the position of curtain edge 6 and inner curtain 7, prevent its longitudinal displacement, side box 9 and bottom box 11 are engaged with curtain edge 6, provide guiding, positioning and sealing auxiliary effect for it.

[0035] Refer to the accompanying drawings Figure 3 And the accompanying drawings Figure 6The rotating mechanism 2 comprises a clamping wheel 201 for converting the linear motion of the pull rope 202 into the rotating motion of the reel 5. The inner wall of the clamping wheel 201 is fixedly connected to the outer wall of the reel 5. The outer wall of the clamping wheel 201 is slidably connected with the pull rope 202. The pull rope 202 is a direct operating component for operating the rotating mechanism 2. The outer wall of the pull rope 202 is fixedly connected with a plurality of clamping blocks 203. The clamping blocks 203 are clamped into the inner wall of the clamping wheel 201 in size, shape and spacing. The outer wall of the wall body 1 is fixedly connected with a limiting box 204. The inner wall of the limiting box 204 is provided with a limiting groove 205. The limiting groove 205 provides accurate guidance for the movement of the pull rope 202.

[0036] Specifically, the clamping wheel 201 in the rotating mechanism 2 can convert the linear motion of the pull rope 202 into the rotating motion of the reel 5. The clamping blocks 203 on the pull rope 202 are clamped with the inner wall of the clamping wheel 201. The limiting box 204 and the limiting groove 205 in the limiting box 204 provide accurate guidance for the movement of the pull rope 202. The clamping blocks 203 are used to realize the operation of the reel 5, and further control the lifting action of the related thermal curtain.

[0037] Referring to the accompanying drawings Figure 1 , the accompanying drawings Figure 2 , and the accompanying drawings Figure 5The outer side of the ventilation window 3 is fixedly connected with a fan frame 14, the fan frame 14 is used for supporting and fixing the fan 15, and the fan frame 14 provides a mounting position for the fan 15; the inner wall of the fan frame 14 is fixedly connected with the fan 15; when the fan 15 is started, the indoor and outdoor air exchange can be accelerated, the hot air in the room is discharged or fresh air is introduced, the temperature, humidity and air composition in the greenhouse are adjusted, the suitable environmental conditions are created for the growth of crops, the outer wall of the wall body 1 is fixedly connected with a controller 16, the controller 16 is the control core of the whole system, can receive the operation instruction of the user, and can detect the temperature in the greenhouse in real time, the outer wall of the wall body 1 is fixedly connected with a guide rail 17, the guide rail 17 provides a sliding track for the sliding ring 18, the outer wall of the guide rail 17 is slidably connected with a plurality of sliding rings 18, which are key components for connecting the outer curtain 19 and the guide rail 17, and by sliding on the guide rail 17, the outer curtain 19 is driven to move left and right, the opening or closing of the ventilation window 3 is realized, and the ventilation and heat preservation effect is adjusted, the bottom of the guide rail 17 is provided with two outer curtains 19, which are the outer part of the double-layer heat preservation curtain, when it covers the outer side of the ventilation window 3, the double-layer heat preservation effect is formed with the inner curtain 7, the cold air from the outside is effectively blocked from entering and the heat in the room is effectively prevented from being lost, and a good heat preservation environment is provided for the crops in the greenhouse, the outer wall of the wall body 1 is provided with two fixed seats 20, the fixed seats 20 provide a mounting base for the first binding belt 21 and the second binding belt 23, and ensure that the first binding belt 21 and the second binding belt 23 can be stably mounted on the wall body 1, the outer wall of each of the two fixed seats 20 is fixedly connected with the first binding belt 21, the outer wall of each of the two first binding belts 21 is fixedly connected with a buckle head 22, the outer wall of each of the two fixed seats 20 is fixedly connected with the second binding belt 23, the second binding belt 23 is tightened or loosened by cooperating with the first binding belt 21, so as to adjust the state of the outer curtain 19 according to the actual needs, so as to achieve different ventilation and heat preservation effects, a plurality of buckle holes 24 are formed in the outer wall of each of the two second binding belts 23, the buckle holes 24 provide a clamping position for the buckle head 22, so as to adjust the connection length of the first binding belt 21 and the second binding belt 23, so as to adjust the fixing tightness of the outer curtain 19, and meet the use requirements in different situations.

[0038] Specifically, the fan 15 can adjust the environment in the greenhouse; the controller 16 receives operation instructions and detects temperature as the control core; the guide rail 17 provides a sliding track for the sliding ring 18, the sliding ring 18 drives the outer curtain 19 to move left and right to realize the opening and closing of the ventilation window 3 and adjust the ventilation and heat preservation effect, the outer curtain 19 constitutes a double-layer heat preservation layer to block heat exchange; the fixed seat 20 provides a mounting base for the first binding belt 21 and the second binding belt 23, the first binding belt 21 and the second binding belt 23 are adjusted in tightness by cooperating with the buckle head 22 and the buckle hole 24 to meet different use requirements, and together provide temperature, humidity and ventilation adjustment functions for the greenhouse.

[0039] Working principle: the reel 5 is fixed on the inner wall of the bracket 4, the two limiting blocks 25 on the reel 5 are away from each other on the two brackets 4 to determine the position and prevent the reel 5 from shifting horizontally, the curtain edge 6 and the inner curtain 7 together form a curtain piece, the material of the curtain edge 6 is slightly harder than that of the inner curtain 7, the side edge is clamped in the side groove 10 of the two side boxes 9, and at the same time the bottom of the curtain piece penetrates the bottom groove 12 of the bottom box 11, the outer wall of the positioning buckle 8 is provided with a hole, which is clamped with the positioning block 13, the curtain piece is pulled straight to prevent longitudinal displacement, and at the same time the outer curtain 19 is slid along the guide rail 17 to the joint through the plurality of sliding rings 18 to ensure that the outer curtain 19 tightly covers the outside of the ventilation window 3, further improving the heat preservation performance, the inner curtain 7 and the outer curtain 19 form a double-layer heat preservation curtain, and there is an air layer at the ventilation window 3, air is a poor conductor of heat, which can effectively reduce the heat loss to the outside, when the outer curtain 19 needs to be opened, the outer curtain 19 is slid along the guide rail 17 to the two sides through the sliding ring 18, so as to open the shielding of the outside of the ventilation window 3, at the same time, the two fixed seats 20 on the front side of the outer wall of the wall body 1 are connected with the binding belt one 21 and the binding belt two 23, the buckle head 22 on the binding belt one 21 can cooperate with the buckle hole 24 on the binding belt two 23, after the outer curtain 19 reaches the two sides, the binding belt one 21 and the binding belt two 23 can be adjusted to fix and tighten the outer curtain 19, so as to ensure that the outer curtain 19 is in an open state, when ventilation is needed, the inner curtain 7 is opened by rotating the rotating mechanism 2 after the outer curtain 19 is opened, and then the fan 15 installed on the fan frame 14 outside the ventilation window 3 is started by the controller 16. After the fan 15 operates, the circulation of indoor and outdoor air is accelerated to realize ventilation and air exchange, and the temperature, humidity and gas composition in the greenhouse are adjusted;

[0040] And when the lifting of the inner curtain 7 and the curtain edge 6 needs to be controlled, first, the positioning buckle 8 is separated from the positioning block 13, then the operator pulls the pull rope 202, the clamping block 203 on the pull rope 202 is clamped into the inner wall of the clamping wheel 201 in size, shape and spacing, and the action of pulling the pull rope 202 drives the clamping wheel 201 to start rotating around the axis of the reel 5, the process of rotating the reel 5 winds up the curtain edge 6 and the inner curtain 7, the bottom of the curtain edge 6 moves up in the bottom groove 12 and separates, the side of the curtain edge 6 slides up in the side groove 10, and the positioning buckle 8 moves up, so as to open the inner curtain 7 and make it no longer cover the ventilation window 3, in this process, the limiting box 204 and the limiting groove 205 provided on the inner wall thereof provide accurate guidance for the movement of the pull rope 202 to prevent it from deviating from the path, the clamping block 203 slides out of the clamping wheel 201, at the same time, the limiting groove 205 is connected with the clamping block 203, and in the process of moving the clamping block 203, the clamping block 203 is pressed into the inner wall of the clamping wheel 201, so as to convert the movement of the pull rope 202 into the rotation of the clamping wheel 201, and then drive the reel 5 to rotate synchronously, when the bottom of the inner curtain 7 and the curtain edge 6 reaches the appropriate position, the operator stops pulling the pull rope 202, and when the inner curtain 7 needs to be closed, the pull rope 202 can be pulled in the opposite direction.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. Double thermal curtain for the ventilation opening of a solar greenhouse for agricultural cultivation, comprising a wall (1), characterized in that: The outer wall of the wall body (1) is provided with a ventilation window (3), the outer wall rear side of the wall body (1) is fixedly connected with two supports (4), the inner wall of two supports (4) are all rotatably connected with same reel (5), the outer wall of reel (5) is fixedly connected with curtain edge (6), the inner wall of curtain edge (6) is fixedly connected with inner curtain (7), the bottom of curtain edge (6) is fixedly connected with positioning buckle (8), the outer wall rear side of wall body (1) is fixedly connected with two side boxes (9), the outer wall adjacent side of two side boxes (9) are all provided with side groove (10), the outer wall rear side of wall body (1) is fixedly connected with bottom box (11), the outer wall of bottom box (11) is provided with bottom groove (12), the outer wall rear side of wall body (1) is fixedly connected with positioning block (13), the outer wall of reel (5) is provided with rotating mechanism (2), rotating mechanism (2) is used for manual opening and closing inner curtain (7).

2. The double layer thermal screen for the ventilation opening of the agricultural planting sunlight greenhouse according to claim 1, characterized in that: The rotating mechanism (2) includes a clamping wheel (201), the inner wall of the clamping wheel (201) is fixedly connected to the outer wall of the reel (5), the outer wall of the clamping wheel (201) is slidably connected with a pull rope (202), the outer wall of the pull rope (202) is fixedly connected with a plurality of clamping blocks (203), the outer wall rear side of the wall body (1) is fixedly connected with a limiting box (204), the inner wall of the limiting box (204) is provided with a limiting groove (205).

3. The double layer thermal screen for the ventilation opening of the agricultural planting sunlight greenhouse according to claim 1, characterized in that: The outer side of the ventilation window (3) is fixedly connected with a fan frame (14), the inner wall of the fan frame (14) is fixedly connected with a fan (15).

4. The dual thermal curtain for a ventilation opening of a solar greenhouse for agricultural growing according to claim 1, characterized in that: The outer wall rear side of the wall body (1) is fixedly connected with a controller (16), the outer wall front side of the wall body (1) is fixedly connected with a guide rail (17).

5. The double layer thermal screen for the ventilation opening of the agricultural planting sunlight greenhouse according to claim 4, characterized in that: The outer wall of the guide rail (17) is slidably connected with a plurality of slip rings (18), the bottom of the guide rail (17) is provided with two outer curtains (19).

6. The dual layer thermal screen for a ventilation opening of an agricultural growing sunlight greenhouse according to claim 1, characterized in that: The outer wall front side of the wall body (1) is provided with two fixed seats (20), the outer wall of two fixed seats (20) is fixedly connected with a binding tape one (21).

7. The double layer thermal screen for the ventilation opening of the agricultural planting sunlight greenhouse according to claim 6, characterized in that: The outer wall of two binding tapes one (21) is fixedly connected with a buckle head (22), the outer wall of two fixed seats (20) is fixedly connected with a binding tape two (23).

8. The double layer thermal screen for the ventilation opening of the agricultural planting sunlight greenhouse according to claim 7, characterized in that: The outer wall of two binding tapes two (23) is provided with a plurality of buckle holes (24), the outer wall of the reel (5) is fixedly connected with two limiting blocks (25).