CN214282402U - Sunlight greenhouse ventilation rain insensitive device - Google Patents

Abstract

The utility model relates to a sunlight greenhouse ventilation rain insensitive device, including power take off, roll up membrane device, drainage device, controlling means, power take off establishes ventilation window below on the sunlight greenhouse, including motor, power output shaft. The film rolling device comprises a film rolling shaft, a steel wire rope, a plastic polyethylene film and a pulley device, wherein one end of the steel wire rope is wound on the film rolling shaft, and the other end of the steel wire rope bypasses the pulley device to form a closed loop. The drainage device is erected on the inner surface of the rear wall of the greenhouse, and the pulley devices are symmetrically erected on two sides of the drainage device. The utility model provides a rain insensitive device can open the window in the rainy day and take a breath, prevents that the rainwater from directly watering the crop to can discharge the rainwater well outdoor, can avoid outdoor cold air directly to pour into, cause cold damage to the crop. The device has the advantages of high automation degree, simple and convenient operation, stable operation and the like.

Description

Sunlight greenhouse ventilation rain insensitive device

Technical Field

The utility model relates to a greenhouse agricultural production technical field, in particular to sunlight greenhouse ventilation rain insensitive device.

Background

The sunlight greenhouse is generally used for overwintering production of indoor crops in winter, and is widely applicable to severe cold areas in the north of China. Since crop growth results in the production of large amounts of carbon dioxide gas in the greenhouse and long-term carbon dioxide accumulation causes direct damage to the crop, ventilation is often required to reduce the carbon dioxide content. However, in most of the existing greenhouses, when windows are opened in rainy days, rainwater can directly irrigate crops to damage the crops, and cold air can directly attack the crops below the ventilation openings to damage the crops, so that the yield of the crops is reduced. The prior art urgently needs a greenhouse ventilation rainproof device which has stable operation, high automation degree and simple and convenient operation.

Disclosure of Invention

To the problem that exists among the prior art, the utility model aims at providing a sunlight greenhouse ventilates rain-proof dress can open the window in the rainy day and take a breath, prevents that the rainwater from directly watering the crop to can discharge the rainwater outdoor well.

The utility model aims at realizing the ventilation and rain-proof device of the sunlight greenhouse by the following technical proposal, which comprises a rain-proof film, a film rolling device, a pulley device and a drainage device, wherein the rain-proof film is arranged below a ventilation window in the sunlight greenhouse;

the film rolling device comprises a motor and a film rolling shaft, and the motor is connected with the film rolling shaft and drives the film rolling shaft to rotate; two ends of the film rolling shaft are provided with steel wire ropes; the pulley device comprises supporting rods arranged on two sides in front of the rear wall of the greenhouse, pulley supports are arranged on the supporting rods, and fixed pulleys are arranged on the two pulley supports; the steel wire ropes at the two ends are respectively wound at one end of the film winding shaft and bypass the fixed pulleys at the same side to form a closed loop;

the drainage device comprises a water containing groove, the water containing groove is arranged on the front side of the rear wall, a longitudinal drainage notch is formed in the front side of the water containing groove, and a drainage inclined plane which inclines downwards is formed at the bottom of the drainage notch; the fixed pulleys are respectively arranged in front of two sides of the drainage notch; the middle of the bottom of the water containing tank is high, and the two ends of the bottom of the water containing tank are low; two sides of the water containing groove are connected with downward drain pipes;

the film winding shaft is higher than the pulley device; the front end of the rainproof film is fixedly connected with the film rolling shaft, and the rear end of the rainproof film is fixedly connected with the plastic thin plate; two sides of the rainproof film are respectively and fixedly connected with the steel wire ropes above the closed loops at the two ends;

furthermore, the number of the motors is two, and the motors are respectively arranged at two ends of the film rolling shaft.

Further, the rainproof film is a polyethylene film;

furthermore, a cover plate is arranged above the water containing groove.

The utility model discloses have following advantage and effect:

(1) the utility model provides a rain insensitive device can open the window in the rainy day and take a breath, prevents that the rainwater from directly watering the crop to can discharge the rainwater outdoor well.

(2) The utility model provides a rain insensitive device can also expand when ventilation, avoids outdoor cold air directly to pour into, causes cold damage to the crop, plays the effect of buffering.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the power output apparatus of the present invention;

fig. 3 is a schematic front structural view of the present invention;

fig. 4 is a schematic sectional structure of the present invention;

FIG. 5 is a schematic view of the connection of the devices of the present invention;

FIG. 6 is a schematic view of a pulley arrangement;

FIG. 7 is a schematic view of the drainage device;

fig. 8 is a schematic view of a drainage slot configuration.

In fig. 1-8: the specific names of the structures are: greenhouse 1, drainage device 2, pulley gear 3, motor 4, film rolling shaft 5, film rolling device 6, rainproof film 7, steel wire rope I8, steel wire rope II 9, ventilation window 10, fixed pulley I11-1, fixed pulley II 11-2, pulley support 12, support rod 13, water containing groove 14, drainage notch 15, drainage inclined plane 15-1, drainage pipe 16, plastic sheet 17 and cover plate 18.

Detailed Description

Referring to fig. 1 to 8, the specific structure of the present embodiment is: a sunlight greenhouse ventilation rainproof device comprises a greenhouse 1, a rainproof film 7, a film rolling device 6, a pulley device 3 and a drainage device 2, wherein the rainproof film 7 is arranged below a ventilation window 10 in the sunlight greenhouse;

the film rolling device comprises a motor 4 and a film rolling shaft 5, and the motor 4 drives the film rolling shaft 5 to rotate; two ends of the film rolling shaft 5 are provided with a steel wire rope I8 and a steel wire rope II 9;

the pulley device 3 comprises supporting rods 13 arranged on two sides in front of a rear wall of the greenhouse, pulley supports 12 are arranged on the supporting rods 13, and a fixed pulley I11-1 and a fixed pulley II 11-2 are arranged on the two pulley supports 12 respectively;

one end of the steel wire rope I8 is fixed on the film winding shaft 5 and wound, the main body of the steel wire rope is wound around the fixed pulley I11-1, and the other end of the steel wire rope is fixed on the film winding shaft 5 to form a closed loop; one end of the steel wire rope II 9 is fixed on the film winding shaft 5 and wound, the main body of the steel wire rope II bypasses the fixed pulley II 11-2, and the film winding shaft 5 is fixed at the other end of the steel wire rope II to form a closed loop;

the drainage device 2 comprises a water containing groove 14, the water containing groove 14 is arranged on the front side of the rear wall, a longitudinal drainage notch 15 is arranged on the front side of the water containing groove 14, and a drainage inclined plane 15-1 which inclines downwards is arranged on the outer side of the bottom of the drainage notch 15; the fixed pulley I11-1 and the fixed pulley II 11-2 are respectively arranged in front of two sides of the drainage notch 15; the middle of the bottom of the water containing groove 14 is high, and the two ends are low; a downward drain pipe 16 is connected to two sides of the water containing groove 14;

the film winding shaft 5 is higher than the pulley device 3; the front end of the rain-proof film 7 is fixedly connected with the film rolling shaft 5, and the rear end of the rain-proof film 7 is fixedly connected with a plastic thin plate 17; two sides of the rainproof film 7 are respectively fixedly connected with the steel wire ropes above the closed loop of the steel wire rope I8 and the steel wire rope II 9;

the power output device can be provided with two motors 4 with the same model, the motors 4 are symmetrically fixed on two sides of the greenhouse and work simultaneously, and are respectively arranged at two ends of the film rolling shaft to improve the transmission stability;

the rain-proof film 7 can be a polyethylene film;

a cover plate 18 can be arranged above the water containing groove 14.

The principle of this implementation:

(1) the power output shaft of the motor 4 is fixedly connected with the film winding shaft 5 through a coupler, one end of a steel wire rope I8 and one end of a steel wire rope II 9 are wound on the film winding shaft 5, and the other end of the steel wire rope I and the other end of the steel wire rope II bypass the pulley device 3 to form a closed loop. The drainage device 2 is erected on the inner surface of the rear wall of the greenhouse, and the pulley devices 3 are symmetrically erected on two sides of the drainage device 2.

(2) The rainproof film 7 is wound on the film winding shaft 5, the edges of two sides of the film 7 are fixedly connected with the steel wire I8 and the steel wire II 9, the rainproof film 7 is pre-tightened, stretched and unfolded to form a certain inclination angle with the horizontal plane, rainwater conveniently falls onto the rainproof film 7 and automatically flows to the drainage notch 15 of the drainage device 2 due to gravity to enter the water containing groove 14, and the side, close to the drainage device 2, of the rainproof film 7 is subjected to plastic sheet pressing treatment, so that the service life is prolonged.

(3) The fixed pulley 11 of the pulley device 3 is aligned with the drainage notch 15 of the drainage device 2, so that the film 7 can move to the drainage notch 15 conveniently.

(4) The drainage device 2 is made of a waterproof and transparent hard plastic plate, and a distance is reserved between the drainage device and the surface of the back wall, so that the back wall can normally store and release heat conveniently. The drainage device 2 is provided with a drainage notch 15 and a drainage inclined plane 15-1 which inclines downwards and is used for limiting the film 7 and guiding water flow. The water containing groove 14 of the drainage device 2 is used for collecting and guiding rainwater.

(5) The middle of the water containing groove 14 is high, the two ends of the water containing groove are low, so that rainwater can automatically flow to the two ends under the action of gravity, the rainwater flows downwards through the vertical pipelines on the two sides of the water containing groove 14 and is discharged outdoors through the connecting water delivery guide pipe, and the cover plate arranged on the water containing groove 14 can prevent the rainwater from overflowing and leaking.

The workflow of this embodiment:

assembling equipment: the rainproof device comprises a power output device, a film rolling device and a drainage device. The power output device comprises a motor 4 and a power output shaft, the motor is symmetrically fixed on the side wall 1 of the greenhouse through the power output shaft and a bearing seat, and the power output shaft is fixedly connected with the film rolling shaft 5 through a coupler;

the film rolling device comprises a film rolling shaft 5, a steel wire rope I8, a steel wire rope II 9, a rainproof film 7 and a pulley device 3; the film winding shaft 5 transversely penetrates through the greenhouse, one end of the film 7 is wound on the film winding shaft 5, and the other end of the film is subjected to plastic sheet pressing treatment. Two sides of the film 7 are fixedly connected with and pre-tightened on the steel wire ropes I8 and II 9, one ends of the steel wire ropes I8 and II 9 are respectively wound on the film winding shaft 5, and the other ends of the steel wire ropes I8 and II 9 respectively bypass the fixed pulley 11 to form a closed loop. The pulley device 3 is symmetrically fixed on two sides of the drainage device 2, and the fixed pulley 11 is aligned with the drainage notch 15.

The drainage device 2 is fixedly installed on the inner surface of the rear wall of the greenhouse and keeps a certain distance from the rear wall, and the drainage device 2 is made of a transparent and waterproof hard plastic plate. The drainage device 2 is provided with a drainage notch 15 and a water containing groove 14, the drainage notch 15 is aligned with the unfolded film 7, rainwater conveniently flows into the water containing groove 14 along the film 7, the middle of the water containing groove 14 is high, two sides of the water containing groove are low, and the rainwater flows to the ground through vertical pipelines at two sides and is discharged outdoors through the guide pipe.

In rainy days, particularly when the temperature is high at noon, a large amount of carbon dioxide gas is generated in the greenhouse, a motor switch button of the rainproof device is pressed, the motor 4 works, the motor 4 rotates forwards, power is transmitted to the film winding shaft 5 through the coupler by the power output shaft, the film winding shaft 5 rotates to transmit the power to the steel wire rope I8 and the steel wire rope II 9, the film 7 changes from a curling state to an extending state gradually, when the switch for controlling the motor to operate is pressed to turn off the motor 4, the power supply stops working, the film winding shaft 5 stops rotating, the steel wire rope I8 and the steel wire rope II 9 do not transmit the force, one end, close to the rear wall, of the film 7 just moves to the drainage notch 15, the film 7 reaches the unfolding state and is positioned under the upper ventilation window, and the film 7 and the horizontal plane form a certain inclination angle. The rainwater falls on the film 7 and naturally flows to the drainage notch 15 along the film 7 by gravity and enters the water containing groove 14, and the rainwater is transported downwards through vertical pipelines on two sides of the water containing groove 14 and is discharged outdoors through the guide pipe, so that the rainproof effect is achieved. When the window is opened in cold weather, external cold air enters the greenhouse from the upper ventilation opening, the film 7 can play a role in buffering the greenhouse, and the cold air is prevented from directly pouring to crops.

When the device needs to be folded when ventilation is closed, a switch for controlling the motor to operate is pressed to enable the motor 4 to work in a reverse rotation mode, the film winding shaft 5 rotates in a reverse rotation mode to transmit power to the steel wire rope I8 and the steel wire rope II 9, the steel wire ropes above the steel wire rope II 8 and the steel wire rope II 9 move towards the film winding shaft 5, the film 7 moves towards the film winding shaft 5 together, the film 7 is gradually wound up from the film winding shaft 5 in an unfolded state, finally the motor 4 stops working, and the rainproof device is folded.

Claims (5)

1. A sunlight greenhouse ventilation rainproof device comprises a rainproof film, a film rolling device, a pulley device and a drainage device, wherein the rainproof film is arranged below a ventilation window in a sunlight greenhouse; the method is characterized in that:

the film rolling device comprises a motor and a film rolling shaft, and the motor is connected with the film rolling shaft and drives the film rolling shaft to rotate; two ends of the film rolling shaft are provided with steel wire ropes; the pulley device comprises fixed pulleys arranged at two ends of the greenhouse; the steel wire ropes at the two ends are respectively wound at one end of the film winding shaft and bypass the fixed pulleys at the same side to form a closed loop;

the drainage device comprises a water containing groove, the water containing groove is arranged on the front side of the rear wall, a longitudinal drainage notch is formed in the front side of the water containing groove, and a drainage inclined plane which inclines downwards is formed in the outer side of the bottom of the drainage notch; the fixed pulleys are respectively arranged in front of two sides of the drainage notch; the middle of the bottom of the water containing tank is high, and the two ends of the bottom of the water containing tank are low; two sides of the water containing groove are connected with downward drain pipes;

the film winding shaft is higher than the pulley device; the front end of the rainproof film is fixedly connected with the film rolling shaft, and the rear end of the rainproof film is fixedly connected with the plastic thin plate; and two sides of the rainproof film are respectively and fixedly connected with the steel wire ropes above the closed loops at the two ends.

2. The ventilation rainproof device for the solar greenhouse as claimed in claim 1, wherein: the pulley device comprises supporting rods arranged on two sides in front of the rear wall of the greenhouse, pulley supports are arranged on the supporting rods, and the fixed pulleys are arranged on the two pulley supports respectively.

3. The ventilation rainproof device for the solar greenhouse as claimed in claim 1, wherein: the two motors are respectively arranged at two ends of the film rolling shaft.

4. The ventilation rainproof device for the solar greenhouse as claimed in claim 1, wherein: the rainproof film is a polyethylene film.

5. The ventilation rainproof device for the solar greenhouse as claimed in claim 1, wherein: and a cover plate is arranged above the water containing groove.

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