CN214628532U

CN214628532U - Energy-saving curtain for greenhouse

Info

Publication number: CN214628532U
Application number: CN202120768159.3U
Authority: CN
Inventors: 沈黎明; 陈文鲸
Original assignee: Shanghai Farm Garden Green Engineering Co ltd
Current assignee: Shanghai Farm Garden Green Engineering Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-09
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses an energy-conserving curtain in greenhouse belongs to agricultural production facility technical field, and this curtain includes curtain frame and curtain, and the curtain can be dismantled with curtain frame one side and be connected, is equipped with the motor on the curtain frame, and the motor is connected with the winding and unwinding devices who receive and releases the curtain, and winding and unwinding devices includes actuating mechanism, and actuating mechanism spanes the both sides limit of curtain frame, and actuating mechanism can dismantle with the curtain and be connected. The utility model uses the retractable curtain for heat preservation, thereby further improving the energy-saving effect of the greenhouse; the curtain adopts the inflatable curtain that comprises two-layer degradable film, and environmental protection light, be convenient for receive and release and the heat preservation effect is better.

Description

Energy-saving curtain for greenhouse

Technical Field

The utility model belongs to the technical field of the agricultural production facility, concretely relates to energy-conserving curtain in greenhouse.

Background

The inner heat-insulating curtain is a secondary covering curtain arranged between the greenhouse crops and the roof, and is a flexible coiled material which can be unfolded or rolled up by an operating mechanism according to the requirements. The lower space of the greenhouse can form a new relatively closed system through the heat-insulating curtain, and the heat-insulating curtain used in winter has the following functions: reducing the heating space of the greenhouse; the cold air infiltration heat loss of the greenhouse is reduced; reducing the radiation heat exchange of the greenhouse ground and crops to the upper space; the heat resistance of convection heat transfer is increased, and the latent heat loss caused by water vapor condensation is reduced. These functions are all beneficial to the heat preservation of the greenhouse, and the use of the heat preservation curtain is a good method for saving energy of the greenhouse. At present, the heat-insulating curtain also has the defects of non-environment-friendly materials, poor heat-insulating effect and the like, and extra covering cotton or canvas and other materials can be added for improving the heat-insulating effect, so that the curtain is too thick and is not beneficial to retraction.

SUMMERY OF THE UTILITY MODEL

The technical problem is as follows: to the above-mentioned problem that exists among the prior art, the utility model aims to solve the technical problem that an energy-conserving curtain in greenhouse of light environmental protection is provided.

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme as follows:

an energy-saving greenhouse curtain comprises a curtain frame and a curtain, wherein the curtain is detachably connected with one side of the curtain frame, a motor is arranged on the curtain frame, the motor is connected with a curtain retracting device, the curtain retracting device comprises an executing mechanism, the executing mechanism stretches across two side edges of the curtain frame, and the executing mechanism is detachably connected with the curtain.

Furthermore, a lower limiting plate is connected between the lower ends of two side edges of the curtain frame, and the number of the lower limiting plates is more than one.

Furthermore, an upper limiting plate is connected between the upper ends of two side edges of the curtain frame, and the number of the upper limiting plates is more than one.

Furthermore, the curtain is an inflatable curtain, and an inflatable air exhaust opening is formed in the curtain.

Furthermore, an inflation and air exhaust device is arranged on the curtain frame and is connected with the inflation and air exhaust opening.

Furthermore, a plurality of hot-press bonding lines are arranged on the curtain.

Furthermore, the executing mechanism comprises a transmission mechanism and a hook, a hanging ring matched with the hook is arranged at the movable end of the curtain, and the hook drags the curtain to move left and right through the hanging ring.

Further, the number of the actuating mechanisms is more than one.

Further, the curtain is made of degradable plastic.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: 1. the retractable curtain is used for heat preservation, so that the energy-saving effect of the greenhouse is further improved; 2. the curtain adopts the inflatable curtain that comprises two-layer degradable film, and environmental protection light, be convenient for receive and release and the heat preservation effect is better.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural diagram of the actuator of the present invention;

figure 4 is a schematic view of the curtain deployment structure of the present invention.

Detailed Description

The present invention will be further illustrated by the following specific examples, which are carried out on the premise of the technical scheme of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, 2 and 3, an energy-saving curtain for a greenhouse comprises a curtain frame 1 and a curtain 2, wherein the curtain 2 is detachably connected with one side of the curtain frame 1, one end of the curtain 2 is connected with one side of the curtain frame 1, the curtain 2 can be unfolded from one side of the curtain frame 1 to the other side so as to cover vegetation below, the width of the curtain 2 can be vertically arranged from the curtain frame 1 to the ground, so that a relatively closed space is formed in the greenhouse, a motor 3 is arranged on the curtain frame 1, the motor 3 is arranged at one end of the curtain 2 connected with the curtain frame 1, the motor 3 is connected with a retracting device 4 for retracting the curtain 2, the retracting device 4 comprises an actuating mechanism 41, the actuating mechanism 41 spans two sides of the curtain frame 1, the actuating mechanism 41 is detachably connected with the curtain 2, the actuating mechanism 41 comprises a transmission mechanism 411 and a hook 412, the transmission mechanism is a sliding cable structure comprising two pulleys 9 and a middle steel wire rope 8, the steel wire rope 8 is provided with hooks 412 (the number of the hooks can be multiple), pulleys connected with the winding and unwinding device 4 can be driving wheels to drive the steel wire rope 8 to move, a speed reducing mechanism is arranged inside the winding and unwinding device 4, the hooks 412 move back and forth left and right of the curtain frame 1 under the driving of the motor 3, hanging rings 23 matched with the hooks 412 are arranged at the movable end of the curtain 2 (the number of the hanging rings 23 can be multiple and matched with the hooks), and the hooks 412 drag the curtain 2 to move left and right through the hanging rings 23, so that the curtain 2 can be unfolded or the curtain 2 can be folded.

As shown in fig. 1 and 2, in order to prevent the curtain 2 from deviating at the position of the curtain frame 1, a lower limiting plate 5 is connected between the lower ends of the two side edges of the curtain frame 1, a plurality of lower limiting plates 5 can be arranged, the curtain 2 is supported from the lower part, and the lower limiting plates 5 arranged at intervals can also reduce the weight; an upper limiting plate 7 is connected between the upper ends of two side edges of the curtain frame 1, a plurality of upper limiting plates 7 can be arranged, and the curtains 2 can be limited from the upper side, so that the curtains 2 can move left and right between the upper limiting plate 7 and the lower limiting plate 5.

As shown in fig. 1, 2, and 4, the curtain 2 is an inflatable curtain, an inflatable extraction opening 21 is arranged on the curtain 2, an inflatable extraction device 6 is arranged on the curtain frame 1, the inflatable extraction device 6 is connected with the inflatable extraction opening 21, the curtain 2 can be inflated by the inflatable extraction device 6, so that the curtain 2 is filled with air, when in use, the motor 4 is firstly opened, the curtain 2 is unfolded rightwards under the driving of the executing mechanism 41, then the inflatable extraction device 6 is opened to inflate the curtain 2, the curtain 2 filled with air is used for heat preservation, the heat preservation effect is good and light, when heat preservation is not needed, the air in the curtain 2 is completely pumped by the inflatable extraction device 6, and then the executing mechanism 41 is used to retract the curtain 2, the structure is simple and light, the retraction speed and efficiency are improved, and only a small accommodating space is needed after the curtain 2 is retracted. The curtain 2 is provided with a plurality of hot-pressing bonding lines 22, and the hot-pressing bonding lines 22 are vertically arranged on the curtain 2 at uniform intervals, so that the curtain 2 is divided into uniform departments, and the curtain 2 is favorable for uniform expansion after being inflated.

The whole curtain 2 comprises two layers of films, the whole degradable plastic is selected for use to make, the degradable master batch material can be selected to adopt polylactic acid (PLA) to make into the film, polylactic acid (PLA) is a novel bio-based and renewable biodegradable material, and the polylactic acid has good biodegradability, can be completely degraded by microorganisms in the nature under specific conditions after being used, finally generates carbon dioxide and water, and does not pollute the environment. The polylactic acid has good glossiness and transparency, is equivalent to a film made of polystyrene, and the polylactic acid (PLA) film also has good air permeability, oxygen permeability and dioxygen-carbon permeability.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The greenhouse energy-saving curtain is characterized by comprising a curtain frame (1) and a curtain (2), wherein the curtain (2) is detachably connected with one side of the curtain frame (1), a motor (3) is arranged on the curtain frame (1), the motor (3) is connected with a retracting device (4) for retracting the curtain (2), the retracting device (4) comprises an executing mechanism (41), the executing mechanism (41) stretches across two side edges of the curtain frame (1), and the executing mechanism (41) is detachably connected with the curtain (2).

2. Greenhouse energy saving curtain as claimed in claim 1, characterised in that between the lower ends of the two sides of the curtain frame (1) there are connected lower limiting plates (5), the number of said lower limiting plates (5) being more than one.

3. Greenhouse energy saving curtain as claimed in claim 1, characterised in that an upper limiting plate (7) is connected between the upper ends of the two side edges of the curtain frame (1), the number of the upper limiting plates (7) being more than one.

4. Greenhouse energy saving curtain as claimed in claim 1, characterised in that the curtain (2) is an inflatable curtain, and that the curtain (2) is provided with inflatable extraction openings (21).

5. Greenhouse energy saving curtain as claimed in claim 4, characterised in that the curtain frame (1) is provided with an air-pumping device (6), the air-pumping device (6) being connected to an air-pumping opening (21).

6. Greenhouse energy saving curtain as claimed in claim 1, characterised in that the curtain (2) is provided with a plurality of thermobonded lines (22).

7. Greenhouse energy-saving curtain as claimed in claim 1, characterised in that the actuator (41) comprises a transmission mechanism (411) and a hook (412), the movable end of the curtain (2) is provided with a hanging ring (23) matched with the hook (412), and the hook (412) drags the curtain (2) to move left and right through the hanging ring (23).

8. Greenhouse energy saving curtain as claimed in claim 1, characterised in that the number of actuators (41) is more than one.

9. Greenhouse energy saving curtain as claimed in claim 1, characterised in that the curtain (2) is made of degradable plastic.