CN112056126A

CN112056126A - Photovoltaic agricultural science and technology big-arch shelter with antidrip water-collecting device

Info

Publication number: CN112056126A
Application number: CN202011035885.0A
Authority: CN
Inventors: 张娇娇; 李东昊; 徐鹏
Original assignee: Anhui Huateng Agricultural Technology Co ltd
Current assignee: Anhui Huateng Agricultural Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2020-12-11

Abstract

The invention belongs to the technical field of agricultural greenhouses, and particularly relates to a photovoltaic agricultural science and technology greenhouse with an anti-drip water collecting device, which comprises a film and more than two supports arranged at equal intervals, wherein the film covers the surfaces of the supports, a photovoltaic assembly is arranged at the top of the film, the top end of the film is of a pointed structure, two symmetrical inclined planes are arranged at the top end of the film, two driving motors are fixed on the side walls of the supports through mounting plates, the two driving motors are respectively positioned at two sides of the supports, two limiting rods are fixedly mounted on the side walls of the supports through the mounting plates, and screw rods are fixed at output shaft ends of the driving motors; according to the invention, water drops generated on the inner surface of the greenhouse film are scraped and collected for the first time, so that the water drops generated on the inner surface of the greenhouse film cannot drop on crops, the growth environment of the crops cannot be influenced, the collected water resource can be recycled, and the agricultural cost is reduced.

Description

Photovoltaic agricultural science and technology big-arch shelter with antidrip water-collecting device

Technical Field

The invention belongs to the technical field of agricultural greenhouses, and particularly relates to a photovoltaic agricultural science and technology greenhouse with a drip-proof water collecting device.

Background

The greenhouse originally is special equipment for vegetable production, and the application of the greenhouse is more extensive along with the development of production. The current greenhouse is used for pot flower and cut flower cultivation; fruit tree production is used for cultivating grapes, strawberries, watermelons, melons, peaches, oranges and the like; the forestry production is used for forest seedling culture, ornamental tree culture and the like; the breeding industry is used for silkworm breeding, chicken breeding, cattle breeding, pig breeding, fish breeding, fry breeding and the like.

Photovoltaic agricultural technology greenhouses are a new model for distributed photovoltaic applications. Compared with the construction of a centralized large-scale photovoltaic ground power station, the photovoltaic agricultural technology greenhouse project has a plurality of advantages. Firstly, the photovoltaic agricultural greenhouse utilizes the roof of the agricultural greenhouse, does not occupy the ground and does not change the use property of the land, thereby saving the land resource; secondly, by erecting solar panels with different light transmittance on the agricultural greenhouse, the lighting requirements of different crops can be met, various high-added-value crops such as organic agricultural products, rare seedlings and the like can be planted, and anti-season planting and fine planting can be realized; finally, the power generation by the shed top can meet the power demand of the agricultural greenhouse, and the surplus power can be sold in a grid-connected mode, so that the benefit is increased.

Some technical schemes related to photovoltaic agricultural technology greenhouses also appear in the prior art, for example, a chinese patent with application number CN201220248943.2 discloses a photovoltaic agricultural technology greenhouse with an anti-drip water collection device, wherein a u-shaped channel steel is fixed at the lower end of a joint of two overlapped photovoltaic solar panels, when water vapor rises to the inner surface of the photovoltaic solar panel on the top of the greenhouse, the water vapor forms water drops when encountering cold, the water drops can be collected into the u-shaped channel steel, and the water can flow into a water receiving hopper along the u-shaped channel steel through a pipeline, and then finally flows into a water collection tank through a water flow pipe and a water collection pipe; this patent has retrieved the vapor of evaporation in the big-arch shelter, the reuse of water has been realized, the water resource has been saved, the water receiving fill can also be collected the rainwater in the water catch bowl, the water resource has further been utilized, but this patent can only be passive collect the drop of water that produces in the big-arch shelter, to the area that the difference in temperature is big round the clock, because round the clock the difference in temperature makes big greenhouse internal surface when the temperature variation easily produce the drop of water, probably not too late to remove to channel-section steel department just directly drip.

Therefore, the invention provides the photovoltaic agricultural science and technology greenhouse with the drip-proof water collecting device, water drops generated on the inner surface of the greenhouse film are scraped and collected for the first time, so that the water drops cannot drop onto crops, the growth environment of the crops cannot be influenced, the collected water resource can be recycled, and the agricultural cost is reduced.

Disclosure of Invention

In order to make up for the defects of the prior art, the photovoltaic agricultural scientific and technological greenhouse with the drip-proof water collecting device provided by the invention scrapes and collects water drops generated on the inner surface of the greenhouse film for the first time, so that the water drops generated on the inner surface of the greenhouse film cannot drop onto crops, the growth environment of the crops cannot be influenced, the collected water resource can be recycled, and the agricultural cost is reduced.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a photovoltaic agricultural science and technology greenhouse with a drip-proof water collecting device, which comprises a film and more than two brackets which are arranged at equal intervals, wherein the film covers the surfaces of the brackets, a photovoltaic component is arranged at the top of the film, the top end of the film is of a pointed structure, two symmetrical inclined planes are arranged at the top end of the film, two driving motors are fixed on the side walls of the brackets through mounting plates and are respectively positioned at two sides of the brackets, two limiting rods are fixedly arranged on the side walls of the brackets through the mounting plates, a screw rod is fixed at the output shaft end of each driving motor, two sliding blocks are in threaded connection with the screw rod, the screw rod and the sliding blocks form a screw rod sliding block pair, a first water pool is fixed at the top end of one sliding block, a second water pool is fixed at the top end of the other sliding block, and the first water pool and the second water pool are, the limiting rod is used for limiting a first water pool and a second water pool, a first scraper blade is fixed in the first water pool, a second scraper blade is fixed in the second water pool, the first scraper blade and the second scraper blade are in contact with the inner surface of the film, the first scraper blade and the second scraper blade are used for scraping off water drops on the inner surface of the film, a reservoir is arranged outside the film, water pipes are arranged between the first water pool and the reservoir, the second water pool and the reservoir, the water pipes are used for collecting water, a controller is arranged on the support, and the controller is used for controlling the greenhouse to work; when the greenhouse works, the existing greenhouse can only passively collect water drops generated in the greenhouse, for areas with large day-night temperature difference, the water drops are easy to generate on the inner surface of the greenhouse when the temperature changes due to the large day-night temperature difference, and the water drops can directly drop after forming and can not move to the water drop collecting position, so that the growth of plants is influenced; the photovoltaic module is arranged, the photovoltaic module utilizes solar energy to generate electric energy, the generated electric energy is used for supplying power to the driving motor, the driving motor is started under the control of the controller, the driving motor drives the screw rod to rotate, so that the screw rod drives the sliding block to move along the length direction of the screw rod, and the driving motor is driven to rotate reversely after the sliding block moves to the end part of the screw rod, so that the moving direction of the sliding block is reversed; the sliding block drives the first water pool and the second water pool to move while moving, so that the first scraping plate and the second scraping plate synchronously move, the first scraping plate and the second scraping plate move on the inner surface of the film in the moving process, water drops on the inner surface of the film are scraped, the scraped water drops respectively enter the first water pool and the second water pool along the surfaces of the first scraping plate and the second scraping plate, and the water drops are converged into water flow in the first water pool and the second water pool and flow into the water reservoir along the water pipe; according to the invention, water drops generated on the inner surface of the greenhouse film are scraped and collected for the first time, so that the water drops generated on the inner surface of the greenhouse film cannot drop on crops, the growth environment of the crops cannot be influenced, the collected water resource can be recycled, and the agricultural cost is reduced.

Preferably, a telescopic rod is fixed on the inner side wall of the support, a one-way valve is arranged on the inner side wall of the telescopic rod, the telescopic rod can be used for one-way air inlet through the one-way valve, the extension end of the telescopic rod is fixed on the first water tank, the second water tank is of a cavity structure, an air pipe is arranged between the telescopic rod and the second water tank and used for air exchange between the second water tank and the telescopic rod, the middle part of the air pipe is provided with the one-way valve, the second scraper is of a cavity structure, the cavity of the second water tank is communicated with the cavity of the second scraper, more than two through holes in the length direction of the second scraper are arranged on the side wall of the second scraper at equal distance, and the through holes are positioned on; when the film scraping device works, the first scraping plate and the second scraping plate can only scrape water drops on the surface of the film when moving, the surface of the film still has certain moisture, and more moisture is gathered again and then the water drops are likely to drop again, so that the working efficiency of the first scraping plate and the second scraping plate is reduced; the telescopic rod is arranged, so that the telescopic rod is extruded in the process that the first pool moves downwards along the screw rod, the volume of an inner cavity of the telescopic rod is reduced, gas in the inner cavity of the telescopic rod enters an inner cavity of the second pool from the gas pipe, and the gas enters a cavity of the second scraper blade as the inner cavity of the second pool is communicated with the inner cavity of the second scraper blade; gas in the inner cavity of the second scraper blade is sprayed out from the through hole to be contacted with the surface of the film, so that residual moisture on the surface of the film is blown to an adjacent first water pool, the moisture forms water drops after being re-gathered and is contacted with the first scraper blade, the water drops enter the first water pool under the guidance of the first scraper blade, and the gas prevents redundant moisture from being re-gathered into water drops, so that the influence on the growth of crops caused by the water drops is prevented; meanwhile, the air is sprayed out from the through hole to blow the surface of the film, so that the drying speed of the moisture on the surface of the film is increased, the humidity on the surface of the film is reduced, the probability of water drops gathered on the surface of the film is reduced, and the probability of water drop dripping is reduced.

Preferably, the height of the through hole is higher than that of the adjacent first scraper, the outlet of the through hole is in a rectangular horn shape, and the through hole is used for ejecting gas to collect and air-dry moisture on the surface of the film; when the device works, the height of the through hole is higher than that of the first scraper, so that gas sprayed from the through hole is firstly contacted with the surface of the film and then contacted with the first scraper, and moisture can move towards the first water pool under the driving of the gas, so that the moisture content on the surface of the film is reduced; the export of through-hole is the diffusion of rectangle loudspeaker form and makes through-hole department spun gas be loudspeaker form, thereby make through-hole department spun gas can cover the whole surface of film, the drying effect of gas to the film surface has been guaranteed, and simultaneously, the through-hole sets to a plurality ofly rather than a whole cross sectional area who makes the through-hole less, thereby make through-hole department spun gas flow rate accelerate, make the speed of film surface moisture evaporation accelerate, thereby further improvement the drying rate of film surface moisture, also make gas to the reinforcing of effect of blowing of moisture, and then make the remaining moisture in film surface reduce, thereby make moisture can not the gathering drop influence the crop normal growth.

Preferably, a heating wire is arranged in an inner cavity of the telescopic rod, the heating wire is of a mosquito-repellent incense structure, two ends of the heating wire are respectively and fixedly connected with two ends of the inner cavity of the telescopic rod, the heating wire is electrically connected with the photovoltaic module, and the heating wire is used for heating gas in the inner cavity of the telescopic rod; when the device works, the heating wires are additionally arranged in the inner cavity of the telescopic rod, so that the gas entering the inner cavity of the telescopic rod is heated, the temperature of the gas entering the inner cavity of the second scraper blade of the telescopic rod is increased, the drying speed of the moisture on the surface of the film is increased when the gas is contacted with the surface of the film due to the increase of the temperature of the gas, the probability of generating water drops on the surface of the film is reduced, and the normal growth of crops is further ensured; the heating wires are arranged into a mosquito-repellent incense-shaped structure, two ends of each heating wire are respectively fixed at two ends of the telescopic rod, the telescopic rods are driven to stretch and retract while stretching and retracting, so that the heating wires are fully contacted with gas in the inner cavity of the telescopic rods, air in the inner cavity of the telescopic rods is fully heated, and the temperature of the sprayed gas is uniform; in addition, the film is heated in the process of contacting with the film by the gas, so that the temperature of the surface of the film is increased, the condensation effect is weakened when the water vapor contacts with the film, the probability of generating water drops on the surface of the film is reduced, and the anti-dripping effect is achieved.

Preferably, one side, away from the adjacent first scraper, of the second scraper is hinged with a water absorption plate, the water absorption plate is of an arc structure, one side, away from the adjacent first scraper, of the second scraper is provided with an air hole, the air hole is communicated with an inner cavity of the second scraper, the air hole is over against the lower part of a hinged point of the water absorption plate, a reset spring is arranged between the water absorption plate and the second scraper, the reset spring is positioned below the hinged point, and the water absorption plate is made of water absorption resin; when the automatic water sucking device works, the water sucking plate is arranged, the telescopic rod is extruded in the process that the second scraper moves towards the adjacent driving motor, so that gas in an inner cavity of the telescopic rod enters the second scraper, the gas entering the inner cavity of the second scraper is simultaneously sprayed out from the gas hole and the through hole, the gas sprayed out from the gas hole is contacted with the bottom of the water sucking plate, the water sucking plate is pushed by the gas, the water sucking plate rotates under the blowing of the gas when the pushing force of the gas is greater than the pulling force of the reset spring, and the top end of the water sucking plate is contacted with the surface of the film; after the water absorption plate is contacted with the surface of the film, the residual water on the surface of the film is absorbed, so that the probability of water drops on the surface of the film is greatly reduced, and the greenhouse has a drip-proof function; when the air injection is stopped at the air hole, the reset spring drives the water absorption plate to return to the initial position, so that the water absorption plate leaves the surface of the film, the normal movement of the first scraper and the second scraper is ensured, the first scraper and the second scraper can collect water normally, and the water absorption plate is prevented from absorbing more water; meanwhile, the gas sprayed out of the air holes has a certain temperature under the heating of the heating wires, and the water absorption plate is heated and dried in the process of contacting with the water absorption plate, so that the water absorption plate can continuously work.

Preferably, the projections of the first water pool and the second water pool on the horizontal plane are overlapped, the bottom of the second water pool is provided with an inclined plane, and the height of the bottom of the second water pool, facing one end of the adjacent first water pool, is lower than that of the other end of the adjacent first water pool; when the device works, if a distance exists between the first water tank and the second water tank, water is reaggregated into water drops under the blowing of gas, and the water drops onto crops from the space between the first water tank and the second water tank, so that the crops are influenced; the water on the surface of the film is just fallen into the water pool I in the process of being gathered into water drops again by arranging the overlapping between the water pool I and the water pool II, so that the probability of water drop dripping is reduced, the water drop collecting effect is improved, and the influence on the growth of crops is avoided; simultaneously, the bottom in No. two ponds is equipped with and is equipped with the inclined plane and makes the drop of water on the lateral wall of No. two ponds remove to the bottom edge in No. two ponds along the inclined plane of No. two pond bottoms to in the drop of No. one pond from the edge, further assurance the collection efficiency to the drop of water.

The invention has the following beneficial effects:

1. according to the photovoltaic agricultural science and technology greenhouse with the drip-proof water collecting device, water drops generated on the inner surface of the greenhouse film are scraped and collected for the first time, so that the water drops cannot drop onto crops, the growth environment of the crops cannot be affected, the collected water resource can be recycled, and the agricultural cost is reduced.

2. According to the photovoltaic agricultural science and technology greenhouse with the drip-proof water collecting device, the moisture on the surface of the film is gathered together again by blowing the surface of the film, and the gathered water drops enter the first water pool to be collected under the guiding action of the first scraper, so that the humidity on the surface of the film is reduced, the probability of water drop generation is reduced, and the growth of crops is not influenced.

3. According to the photovoltaic agricultural technology greenhouse with the drip-proof water collecting device, the water on the surface of the film is absorbed through the arrangement of the water absorption plate, so that the surface of the film is kept dry, the probability of generation of water drops is greatly reduced, and the greenhouse has a drip-proof effect.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a three-dimensional view of the present invention;

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

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is a schematic view of the working state of the present invention;

FIG. 6 is a schematic view showing the positional relationship between the pool No. two and the scraper No. two;

FIG. 7 is a schematic view showing the positional relationship between the expansion link and the heating wire;

in the figure: 1. a film; 2. a support; 3. a photovoltaic module; 4. a drive motor; 5. a screw rod; 6. a slider; 7. a first water pool; 8. a second water pool; 9. a first scraper; 10. a second scraper; 11. a reservoir; 12. a water pipe; 13. a telescopic rod; 14. an air tube; 15. a through hole; 16. a water absorption plate; 17. air holes; 18. a limiting rod; 19. a heating wire.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 7, the photovoltaic agricultural technology greenhouse with the drip-proof water collection device comprises a film 1 and more than two brackets 2 arranged at equal intervals, the film 1 covers the surfaces of the brackets 2, a photovoltaic module 3 is arranged at the top of the film 1, the top end of the film 1 is of a pointed structure, two symmetrical inclined planes are arranged at the top end of the film 1, two driving motors 4 are fixed on the side walls of the brackets 2 through mounting plates, the two driving motors 4 are respectively positioned at two sides of the brackets 2, two limiting rods 18 are fixedly arranged on the side walls of the brackets 2 through the mounting plates, a screw rod 5 is fixed at the output shaft end of each driving motor 4, two sliding blocks 6 are connected on the screw rod 5 in a threaded manner, the screw rod 5 and the sliding blocks 6 form a screw rod sliding block pair, a first water pool 7 is fixed at the top end of one of the sliding block 6, the top end of the other sliding block 6 is fixedly provided with a second water tank 8, the first water tank 7 and the second water tank 8 are both in sliding connection with adjacent limiting rods 18, the limiting rods 18 are used for limiting the first water tank 7 and the second water tank 8, a first scraper blade 9 is fixed in the first water tank 7, a second scraper blade 10 is fixed in the second water tank 8, the first scraper blade 9 and the second scraper blade 10 are both in contact with the inner surface of the film 1, the first scraper blade 9 and the second scraper blade 10 are used for scraping water drops on the inner surface of the film 1, a reservoir 11 is arranged outside the film 1, water pipes 12 are arranged between the first water tank 7 and the second water tank 8 and the reservoir 11, the water pipes 12 are used for collecting water, and a controller is arranged on the support 2 and used for controlling the greenhouse to work; when the greenhouse works, the existing greenhouse can only passively collect water drops generated in the greenhouse, for areas with large day-night temperature difference, the water drops are easy to generate on the inner surface of the greenhouse when the temperature changes due to the large day-night temperature difference, and the water drops can directly drop after forming and can not move to the water drop collecting position, so that the growth of plants is influenced; by arranging the photovoltaic module 3, the photovoltaic module 3 generates electric energy by utilizing solar energy, the generated electric energy is used for supplying power to the driving motor 4, the driving motor 4 is started under the control of the controller, the driving motor 4 drives the screw rod 5 to rotate, so that the screw rod 5 drives the sliding block 6 to move along the length direction of the screw rod 5, and the driving motor 4 is driven to rotate reversely after the sliding block 6 moves to the end part of the screw rod 5, so that the moving direction of the sliding block 6 is reversed; the slide block 6 drives the first water pool 7 and the second water pool 8 to move while moving, so that the first scraper blade 9 and the second scraper blade 10 synchronously move, the first scraper blade 9 and the second scraper blade 10 move on the inner surface of the film 1 in the moving process, water drops on the inner surface of the film 1 are scraped, the scraped water drops respectively enter the first water pool 7 and the second water pool 8 along the surfaces of the first scraper blade 9 and the second scraper blade 10, and the water drops are converged into water flow in the first water pool 7 and the second water pool 8 and flow into the reservoir 11 along the water pipe 12; according to the invention, water drops generated on the inner surface of the greenhouse film 1 are scraped and collected for the first time, so that the water drops generated on the inner surface of the greenhouse cannot drop on crops, the growth environment of the crops cannot be influenced, the collected water resource can be recycled, and the agricultural cost is reduced.

As a specific embodiment of the invention, an expansion link 13 is fixed on the inner side wall of the bracket 2, a one-way valve is arranged on the inner side wall of the expansion link 13, the expansion link 13 enters air in a one-way manner through the one-way valve, the extension end of the expansion link 13 is fixed on the first water tank 7, the second water tank 8 is in a cavity structure, an air pipe 14 is arranged between the expansion link 13 and the second water tank 8, the air pipe 14 is used for gas exchange between the second water tank 8 and the expansion link 13, the middle part of the air pipe 14 is provided with the one-way valve, the second scraper 10 is in a cavity structure, the cavity of the second water tank 8 is communicated with the cavity of the second scraper 10, more than two through holes 15 are equidistantly arranged on the side wall of the second scraper 10 along the length direction of the second scraper 10, and the through holes 15 are positioned on one side; when the film scraping device works, the first scraping plate 9 and the second scraping plate 10 only can scrape water drops on the surface of the film 1 when moving, the surface of the film 1 still has certain moisture, and more moisture is gathered again and then the water drops are likely to drop again, so that the working efficiency of the first scraping plate 9 and the second scraping plate 10 is reduced; by arranging the telescopic rod 13, the telescopic rod 13 is extruded in the process that the first water pool 7 moves downwards along the screw rod 5, so that the volume of an inner cavity of the telescopic rod 13 is reduced, gas in the inner cavity of the telescopic rod 13 enters the inner cavity of the second water pool 8 from the gas pipe 14, and the gas enters the cavity of the second scraper 10 as the inner cavity of the second water pool 8 is communicated with the inner cavity of the second scraper 10; the gas in the inner cavity of the second scraper 10 is sprayed out from the through hole 15 to be contacted with the surface of the film 1, so that residual moisture on the surface of the film 1 is blown to the adjacent first water pool 7, the moisture forms water drops after being re-gathered and is contacted with the first scraper 9, the water drops enter the first water pool 7 under the guidance of the first scraper 9, and the gas prevents redundant moisture from being re-gathered into water drops, so that the water drops are prevented from falling to influence the growth of crops; meanwhile, the air is sprayed out from the through hole 15 to blow the surface of the film 1, so that the drying speed of the moisture on the surface of the film 1 is increased, the humidity on the surface of the film 1 is reduced, the probability of water drops gathered on the surface of the film 1 is reduced, and the probability of water drop dripping is reduced.

As a specific embodiment of the invention, the height of the through hole 15 is higher than that of the adjacent first scraper 9, the outlet of the through hole 15 is in a rectangular horn shape, and the through hole 15 is used for ejecting gas to collect and air-dry moisture on the surface of the film 1; when the device works, the height of the through hole 15 is higher than that of the first scraper 9, so that gas sprayed from the through hole 15 is firstly contacted with the surface of the film 1 and then contacted with the first scraper 9, and the moisture can move towards the first water tank 7 under the driving of the gas, so that the moisture content on the surface of the film 1 is reduced; the export of through-hole 15 is the rectangle loudspeaker form and makes through-hole 15 department spun gas be the loudspeaker form diffusion, thereby make through-hole 15 department spun gas can cover film 1's whole surface, the drying effect of gas to film 1 surface has been guaranteed, and simultaneously, through-hole 15 sets to a plurality ofly rather than a whole cross sectional area who makes through-hole 15 less, thereby make through-hole 15 department spun gas flow rate accelerate, make the speed of 1 surperficial moisture evaporation of film accelerate, thereby further improvement the drying rate of 1 surperficial moisture of film, also make gas to the effect reinforcing that blows of moisture, and then make 1 surperficial remaining moisture of film reduce, thereby make moisture can not the gathering drop and influence crop normal growth.

As a specific embodiment of the present invention, a heating wire 19 is disposed in an inner cavity of the telescopic rod 13, the heating wire 19 is a mosquito-repellent incense-shaped structure, two ends of the heating wire 19 are respectively and fixedly connected with two ends of the inner cavity of the telescopic rod 13, the heating wire 19 is electrically connected with the photovoltaic module 3, and the heating wire 19 is used for heating gas in the inner cavity of the telescopic rod 13; when the device works, the heating wire 19 is additionally arranged in the inner cavity of the telescopic rod 13, so that the gas entering the inner cavity of the telescopic rod 13 is heated, the temperature of the gas entering the inner cavity of the second scraper 10 of the telescopic rod 13 is increased, the drying speed of the surface moisture of the film 1 is increased when the gas is contacted with the surface of the film 1 due to the increase of the temperature of the gas, the probability of generating water drops on the surface of the film 1 is reduced, and the normal growth of crops is further ensured; the heating wire 19 is arranged to be a mosquito-repellent incense-shaped structure, two ends of the heating wire 19 are respectively fixed to two ends of the telescopic rod 13, the telescopic rod 13 is driven to stretch and retract while stretching and retracting, so that the heating wire 19 is fully contacted with the gas in the inner cavity of the telescopic rod 13, the air in the inner cavity of the telescopic rod 13 is fully heated, and the temperature of the sprayed gas is uniform; in addition, the gas heats the film 1 in the process of contacting with the film 1, so that the temperature of the surface of the film 1 is increased, the condensation effect is weakened when the water vapor contacts with the film 1, the probability of water drops on the surface of the film 1 is reduced, and the anti-dripping effect is achieved.

As a specific embodiment of the invention, a water absorption plate 16 is hinged to one side of the second scraper 10 away from the adjacent first scraper 9, the water absorption plate 16 is of an arc-shaped structure, an air hole 17 is arranged on one side of the second scraper 10 away from the adjacent first scraper 9, the air hole 17 is communicated with an inner cavity of the second scraper 10, the air hole 17 faces to the lower part of a hinge point of the water absorption plate 16, a return spring is arranged between the water absorption plate 16 and the second scraper 10, the return spring is positioned below the hinge point, and the water absorption plate 16 is made of water-absorbent resin; when the device works, the water absorption plate 16 is arranged, the telescopic rod 13 is extruded in the process that the second scraper blade 10 moves towards the adjacent driving motor 4, so that the gas in the inner cavity of the telescopic rod 13 enters the second scraper blade 10, the gas entering the inner cavity of the second scraper blade 10 is simultaneously sprayed out from the gas hole 17 and the through hole 15, the gas at the gas hole 17 is sprayed out and then contacts with the bottom of the water absorption plate 16, the water absorption plate 16 is pushed by the gas, and the water absorption plate 16 rotates under the blowing of the gas when the pushing force of the gas is greater than the pulling force of the reset spring, so that the top end of the water absorption plate 16 is contacted with the surface of the film 1; after the water absorption plate 16 is contacted with the surface of the film 1, the residual water on the surface of the film 1 is absorbed, so that the probability of generating water drops on the surface of the film 1 is greatly reduced, and the greenhouse has a drip-proof function; when the air injection is stopped at the air hole 17, the reset spring drives the water absorption plate 16 to return to the initial position, so that the water absorption plate 16 leaves the surface of the film 1, the normal movement of the first scraper 9 and the second scraper 10 is ensured, the first scraper 9 and the second scraper 10 can collect water normally, and the water absorption plate 16 is prevented from absorbing more water; meanwhile, the gas sprayed out of the air holes 17 has a certain temperature under the heating of the heating wires 19, and the water absorption plate 16 is heated and dried in the process that the gas is contacted with the water absorption plate 16, so that the water absorption plate 16 can continuously work.

As a specific embodiment of the present invention, projections of the first pool 7 and the second pool 8 on a horizontal plane are overlapped, a slope is provided at the bottom of the second pool 8, and the height of the bottom of the second pool 8 facing to one end of the adjacent first pool 7 is lower than that of the other end; when the device works, if a distance exists between the first water tank 7 and the second water tank 8, moisture is blown by gas and is gathered into water drops again, and then the water drops onto crops from the space between the first water tank 7 and the second water tank 8, so that the crops are affected; the water on the surface of the film 1 just falls into the first water tank 7 in the process of reuniting the water into water drops and dropping by arranging the overlap between the first water tank 7 and the second water tank 8, so that the probability of dropping the water drops is reduced, the effect of collecting the water drops is improved, and the influence on the growth of crops is avoided; simultaneously, the bottom in No. two ponds 8 is equipped with and is equipped with the inclined plane and makes the drop of water on the 8 lateral walls in No. two ponds remove to the bottom edge in No. two ponds 8 along the inclined plane of No. two ponds 8 bottoms to in the edge drops to a pond 7, further assurance the collection efficiency to the drop of water.

When the greenhouse works, the existing greenhouse can only passively collect water drops generated in the greenhouse, for areas with large day-night temperature difference, the water drops are easy to generate on the inner surface of the greenhouse when the temperature changes due to the large day-night temperature difference, and the water drops can directly drop after forming and can not move to the water drop collecting position, so that the growth of plants is influenced; by arranging the photovoltaic module 3, the photovoltaic module 3 generates electric energy by utilizing solar energy, the generated electric energy is used for supplying power to the driving motor 4, the driving motor 4 is started under the control of the controller, the driving motor 4 drives the screw rod 5 to rotate, so that the screw rod 5 drives the sliding block 6 to move along the length direction of the screw rod 5, and the driving motor 4 is driven to rotate reversely after the sliding block 6 moves to the end part of the screw rod 5, so that the moving direction of the sliding block 6 is reversed; the slide block 6 drives the first water pool 7 and the second water pool 8 to move while moving, so that the first scraper blade 9 and the second scraper blade 10 synchronously move, the first scraper blade 9 and the second scraper blade 10 move on the inner surface of the film 1 in the moving process, water drops on the inner surface of the film 1 are scraped, the scraped water drops respectively enter the first water pool 7 and the second water pool 8 along the surfaces of the first scraper blade 9 and the second scraper blade 10, and the water drops are converged into water flow in the first water pool 7 and the second water pool 8 and flow into the reservoir 11 along the water pipe 12; according to the invention, water drops generated on the inner surface of the greenhouse film 1 are scraped and collected for the first time, so that the water drops generated on the inner surface of the greenhouse cannot drop on crops, the growth environment of the crops cannot be influenced, the collected water resource can be recycled, and the agricultural cost is reduced.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a photovoltaic agricultural technology big-arch shelter with antidrip collection device, includes support (2) that film (1) and two above equidistance were arranged, film (1) covers on support (2) surface, film (1) top is equipped with photovoltaic module (3), its characterized in that: the top end of the film (1) is of a pointed-end-shaped structure, the top end of the film (1) is provided with two symmetrical inclined planes, two driving motors (4) are fixed on the side wall of the support (2) through mounting plates, the two driving motors (4) are respectively positioned on two sides of the support (2), two limiting rods (18) are fixedly mounted on the side wall of the support (2) through mounting plates, a lead screw (5) is fixed at the output end of each driving motor (4), two sliders (6) are in threaded connection with the lead screw (5), the lead screw (5) and the sliders (6) form a lead screw slider pair, one of the two sliders (6) is fixedly provided with a first water pool (7), the other one of the two sliders (6) is fixedly provided with a second water pool (8), and the first water pool (7) and the second water pool (8) are both in sliding connection with the adjacent limiting rods (18), gag lever post (18) are used for carrying on spacingly to pond (7), No. two ponds (8), pond (7) internal fixation has scraper blade (9) No. one, No. two pond (8) internal fixation has scraper blade (10) No. two, scraper blade (9), No. two scraper blades (10) all with the internal surface contact of film (1), scraper blade (9), No. two scraper blades (10) are used for scraping the water droplet of film (1) internal surface, film (1) are equipped with cistern (11) outward, be equipped with water pipe (12) between pond (7), No. two ponds (8) all and cistern (11), water pipe (12) are used for the catchment, be equipped with the controller on support (2), the controller is used for controlling big-arch shelter work.

2. The photovoltaic agricultural technology greenhouse with the drip-proof water collecting device of claim 1, wherein: a telescopic rod (13) is fixed on the inner side wall of the bracket (2), a one-way valve is arranged on the inner side wall of the telescopic rod (13), the telescopic rod (13) is used for one-way air inlet through the one-way valve, the extension end of the telescopic rod (13) is fixed on the first water pool (7), the second water pool (8) is of a cavity structure, an air pipe (14) is arranged between the telescopic rod (13) and the second water pool (8), the air pipe (14) is used for exchanging air between the second water pool (8) and the telescopic rod (13), the middle part of the air pipe (14) is provided with a one-way valve, the second scraper (10) is of a cavity structure, the cavity of the second pool (8) is communicated with the cavity of the second scraper (10), the side wall of the second scraper (10) is equidistantly provided with more than two through holes (15) along the length direction of the second scraper (10), and the through holes (15) are positioned on one side of the second scraper (10) close to the adjacent first scraper (9).

3. The photovoltaic agricultural technology greenhouse with the drip-proof water collecting device of claim 2, wherein: the height that highly is higher than adjacent scraper blade (9) of through-hole (15), the export of through-hole (15) is rectangle loudspeaker form, through-hole (15) are used for the blowout gas to carry out collection and air-dry to film (1) surface moisture.

4. The photovoltaic agricultural technology greenhouse with the drip-proof water collecting device of claim 3, wherein: be equipped with heater strip (19) in the inner chamber of telescopic link (13), heater strip (19) are mosquito-repellent incense column structure, the both ends of heater strip (19) respectively with the both ends fixed connection of telescopic link (13) inner chamber, heater strip (19) and photovoltaic module (3) electric connection, heater strip (19) are arranged in heating the gas in telescopic link (13) inner chamber.

5. The photovoltaic agricultural technology greenhouse with the drip-proof water collecting device of claim 4, wherein: no. two scraper blades (10) keep away from that one side of adjacent scraper blade (9) articulates there is water absorption plate (16), water absorption plate (16) are the arc structure, one side that adjacent scraper blade (9) was kept away from in No. two scraper blade (10) is equipped with gas pocket (17), and gas pocket (17) and the inner chamber intercommunication of No. two scraper blade (10), gas pocket (17) just are to the lower part of water absorption plate (16) pin joint, be equipped with reset spring between water absorption plate (16) and No. two scraper blade (10), reset spring is located the below of pin joint, water absorption plate (16) adopt water-absorbing resin to make.

6. The photovoltaic agricultural technology greenhouse with the drip-proof water collecting device of claim 5, wherein: a projection of pond (7) and No. two ponds (8) on the horizontal plane has the overlap, the bottom of No. two ponds (8) is equipped with the inclined plane, No. two pond (8) bottom highly is less than the height of the other end towards the one end of adjacent pond (7).