Intelligent defrosting device and defrosting method for greenhouses that abandon fire and overwinter in high-latitude and cold regions

Abstract

The present invention provides an intelligent defrosting device and a defrosting method for greenhouses abandoned for wintering in high-latitude and cold regions, comprising two mobile hangers connected by a connecting beam, the mobile hangers being hoisted and arranged on the lower rod body of a framework, a defrosting device that can be raised and lowered is arranged between the two mobile hangers, the defrosting device rises and rests against the inner surface of an inner thermal insulation film, the mobile hanger is connected to a first motor, the first motor drives the mobile hanger to move on the framework, and the defrosting device scrapes and defrosts the inner surface of the inner thermal insulation film. At the same time, the hot air frost blowing method can greatly reduce the generation of water during the defrosting process, thereby reducing the impact on the environment inside the greenhouse. This greenhouse thermal insulation film defrosting device and defrosting method can improve the efficiency and safety of defrosting, which is of great significance for ensuring the temperature and humidity in the greenhouse.

Description

Technical Field

[0001] The present invention relates to the field of greenhouse defrosting, and in particular to an intelligent defrosting device and a defrosting method for greenhouses used in high-latitude and cold regions where fires are abandoned during the winter. Background Art

[0002] The use of plastic film to cover agricultural greenhouses and greenhouses has achieved good results. It can effectively reduce the impact of the natural environment on crop growth, produce a variety of cross-season agricultural products, and greatly increase crop yields, effectively improve the economic benefits of growers, and promote economic development.

[0003] After the winter in northern my country, the frost period begins, and plastic greenhouses need to be covered. In the vast north, winter is particularly cold. Due to the temperature difference between indoor and outdoor, frost flowers often freeze on the insulation film in the agricultural greenhouse. Only when the sun rises high will it slowly melt under the sun's irradiation. However, sometimes in extremely cold weather, the frost flowers on the insulation film in the agricultural greenhouse will not completely melt even if they exist for a whole day, which seriously affects the sunlight irradiating into the indoor part of the agricultural greenhouse. After the frost attacks, it is easy to affect the temperature inside the plastic greenhouse, which seriously affects the growth of plants. The current scraper defrosting plastic film greenhouse is easily scratched, and the plastic film is easily damaged during the defrosting process. There is a lack of frost removal devices in the prior art. Summary of the invention

[0004] The main purpose of the present invention is to provide an intelligent defrosting device and a defrosting method for greenhouses for wintering in high-latitude and cold regions, so as to solve the problem that plastic film greenhouses are easily scratched by scraper defrosting and the plastic film is easily damaged during the defrosting process.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: an intelligent defrosting device for greenhouses for wintering in high-latitude and cold areas, comprising two mobile hangers connected by connecting beams, the mobile hangers are hoisted on the lower rod body of the frame, a liftable defrosting device is provided between the two mobile hangers, the defrosting device rises and leans against the inner surface of the inner insulation film, the mobile hanger is connected to the first motor, the first motor drives the mobile hanger to move on the frame, and the defrosting device scrapes frost on the inner surface of the inner insulation film.

[0006] In the preferred embodiment, the mobile hanger includes a U-shaped mounting frame, at least two inclined rollers are provided at the top of the U-shaped ends of the mounting frame, the inclined rollers on both sides of the mounting frame are arranged on a support frame below the frame, and the first motor is arranged on one side of the mounting frame, and the first motor is connected to the rollers.

[0007] In the preferred embodiment, the rotating shafts of the two rollers on one side of the mounting frame are connected by a synchronous belt;

[0008] The roller is a V-shaped hanging wheel;

[0009] The bottoms of two adjacent mounting frames of the framework are connected by a connecting beam.

[0010] In the preferred embodiment, a mounting seat is provided on the connecting beam, and the mounting seat is in a Z-shaped structure. The bottom of the mounting seat is arranged on the connecting beam, and the lower surface of the top bending section of the mounting seat rests on the top of the mounting frame on one side of the movable hanger. A slide groove is provided on the upper surface of the top bending section of the mounting seat, and the defrost device is slidably connected to the slide groove. A lifting device is provided inside the slide groove, and the lifting device is connected to the defrost device.

[0011] In the preferred embodiment, the lifting device includes a second motor, a screw is provided at the output end of the second motor, the screw is threadedly connected to a nut on one side of the defrost device, and the second motor drives the defrost device to approach the insulation film on the surface of the greenhouse.

[0012] In the preferred embodiment, the defrosting device includes a water collecting shell, nuts are provided at both ends of the water collecting shell, the nuts are threadedly connected to the screw rod, and both ends of the water collecting shell are slidably connected to the slide groove;

[0013] The top of the water collecting shell is an open structure, and a plurality of inclined fixing strips are arranged at the opening position of the water collecting shell. The ends of the fixing strips are clamped with defrosting strips, the ends of the defrosting strips are inclined, and a chamfered structure is arranged on the top.

[0014] In the preferred embodiment, a plurality of drainage pipes are provided on the top of the water collecting shell, and the drainage pipes pass through the connecting beam and are connected to the drainage main pipe;

[0015] A hot air blower is also arranged on one side of the water collecting shell, and the air outlet of the hot air blower is in the same direction as the inclination of the defrosting scraper strip.

[0016] In a preferred embodiment, a distance sensor is further provided on one side of the water collecting shell, the distance sensor is electrically connected to the controller, and the controller is electrically connected to the first motor and the second motor.

[0017] In the preferred embodiment, a recessed platform is provided on the fixing strip, and a clamping strip at the tail of the defrost scraper strip is arranged on the recessed platform. A clamping block is provided on the recessed platform, and the clamping block cooperates with the recessed platform to form a clamping slot, in which the clamping strip is placed. Multiple screws pass through the clamping block and the clamping strip to lock the defrost scraper strip to the fixing strip.

[0018] The method includes:

[0019] S1, when frost appears on the insulation film in the greenhouse, the defrost device is turned on, and the second motor pushes the defrost device closer to the insulation film. The defrost scraper inside the defrost device leans against the insulation surface, and the distance sensor senses the distance, and the defrost device reaches the top;

[0020] S2, the first motor starts to drive the movable hanger to move on the frame, the hot air blower in front of the defrosting device starts to start, the hot air blower starts to blow hot air to the inner insulation film, the frost on the surface of the inner insulation film starts to melt into a water drop state, and at the same time the movable hanger also starts to move on the frame, and the defrosting scraper of the defrosting device starts to remove the water droplets on the inner insulation film;

[0021] S3, the two support tubes of the skeleton are not parallel, the distance sensor senses the distance between the water collecting shell and the inner insulation film, the controller controls the second motor, and the water collecting shell driven by the second motor adapts to the inner insulation film at different distances;

[0022] S4. After defrosting is completed, the defrosting device and the movable hanger return to the initial position to facilitate the next defrosting.

[0023] The present invention provides an intelligent defrosting device and a defrosting method for greenhouses abandoned for wintering in high-latitude and cold regions. Automatic scraper strips are used for defrosting. Hot air is used to blow the frost first. After the frost melts, the scraper strips are used to scrape off the water to complete the defrosting. The heating device is used to generate hot air to melt the frost. During the defrosting process, the control system first controls the heating device to generate hot air to melt the frost, and then controls the automatic scraper strips to move on the insulation film to scrape the melted water away from the insulation film. The advantage of the defrosting device is that the frost on the insulation film can be quickly and effectively removed by the automatic scraper strip defrosting, avoiding the time-consuming and labor-intensive traditional manual defrosting and potential safety hazards. At the same time, the hot air frost blowing method can greatly reduce the generation of water during the defrosting process, thereby reducing the impact on the environment in the greenhouse. This greenhouse insulation film defrosting device and defrosting method can improve the efficiency and safety of defrosting, which is of great significance for ensuring the temperature and humidity in the greenhouse. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0025] Figure 1 This is a structural diagram of the installation position of the defrosting device of the present invention;

[0026] Figure 2 This is a structural diagram of the defrosting device of the present invention installed inside a greenhouse;

[0027] Figure 3 This is a diagram of the defrosting device and the frame installation structure of the present invention;

[0028] Figure 4 This is the overall structural diagram of the defrosting device of the present invention;

[0029] Figure 5 This is a front structural diagram of the defrosting device of the present invention;

[0030] Figure 6 is a side structural diagram of the defrosting device of the present invention;

[0031] Figure 7 It is a right side structural diagram of the mobile hanger of the present invention;

[0032] Figure 8 It is a left side structural diagram of the mobile hanger of the present invention;

[0033] Fig. 9 is a cross-sectional structural diagram of the interior of the defrosting device of the present invention;

[0034] Fig.10 It is a structural diagram of the defrost scraper installation of the present invention.

[0035] In the figure: greenhouse 1; frame 2; inner insulation film 3; defrost device 4; water collecting shell 401; fixing bar 402; block 4021; defrost scraper 403; clamping bar 4031; hot air blower 404; mobile hanger 5; mounting frame 501; roller 502; connecting beam 6; drain pipe 7; first motor 8; synchronous belt 801; slide 9; second motor 10; screw 1001; mounting seat 11. DETAILED DESCRIPTION

[0036] Example 1

[0037] like Figures 1 to 10 As shown, an intelligent defrosting device for greenhouses abandoned for wintering in high-latitude and cold regions includes two mobile hangers 5, which are connected by a connecting beam 6. The mobile hangers 5 are hoisted and set on the lower rod body of the frame 2. A defrosting device 4 that can be raised and lowered is provided between the two mobile hangers 5. The defrosting device 4 rises and rests on the inner surface of the inner insulation film 3. The mobile hanger 5 is connected to a first motor 8, which drives the mobile hanger 5 to move on the frame 2, and the defrosting device 4 scrapes and defrosts the inner surface of the inner insulation film 3. The mobile hanger 5 moves on the frame 2, the defrosting device 4 rises to the inner surface of the insulation film, the mobile hanger 5 moves, and the defrosting device 4 scrapes and defrosts the inner surface of the inner insulation film 3.

[0038] In the preferred embodiment, the mobile hanger 5 includes a U-shaped mounting frame 501, at least two inclined rollers 502 are provided at the top of both ends of the U-shaped mounting frame 501, the inclined rollers 502 on both sides of the mounting frame 501 are arranged on the support frame below the frame 2, and the first motor 8 is arranged on one side of the mounting frame 501, and the first motor 8 is connected to the rollers 502. Figure 7-8 As shown, the inclined rollers 502 on both sides of the mounting frame 501 are hoisted on the lower rod body of the frame 2, and the U-shaped structure is used to avoid the connecting rod in the middle.

[0039] In a preferred embodiment, the rotating shafts of the two rollers 502 on one side of the mounting frame 501 are connected by a synchronous belt 801; the synchronous belt 801 can achieve a better driving effect.

[0040] The roller 502 is a V-shaped hanging wheel; the V-shaped hanging wheel can achieve a better adhesion effect.

[0041] The bottoms of two adjacent mounting frames 501 of the framework 2 are connected by a connecting beam 6. The connecting beam 6 connects the two movable hangers 5.

[0042] In the preferred embodiment, a mounting seat 11 is provided on the connecting beam 6, and the mounting seat 11 is in a Z-shaped structure. The bottom of the mounting seat 11 is arranged on the connecting beam 6, and the lower surface of the top bending section of the mounting seat 11 is against the top of the mounting frame 501 on one side of the mobile hanger 5. A slide groove 9 is provided on the upper surface of the top bending section of the mounting seat 11, and the defrosting device 4 is connected to the slide groove 9 by sliding. A lifting device is provided inside the slide groove 9, and the lifting device is connected to the defrosting device 4. The slide groove 9 facilitates the defrosting device 4 to be lifted and lowered more stably.

[0043] In the preferred embodiment, the lifting device includes a second motor 10, and a screw 1001 is provided at the output end of the second motor 10. The screw 1001 is threadedly connected to a nut on one side of the defrosting device 4. The second motor 10 drives the defrosting device 4 to approach the insulation film on the surface of the greenhouse 1. Figure 7-8 As shown, the second motor 10 drives the defrosting device 4 close to the insulation film on the surface of the greenhouse 1.

[0044] In the preferred embodiment, the defrosting device 4 includes a water collecting shell 401, with nuts at both ends of the water collecting shell 401, the nuts are threadedly connected to the screw 1001, and the two ends of the water collecting shell 401 are slidably connected to the slide 9; the water collecting shell 401 is used to collect water left by scraping defrost.

[0045] The top of the water collecting shell 401 is an open structure, and a plurality of inclined fixing strips 402 are arranged at the opening of the water collecting shell 401. The ends of the fixing strips 402 are clamped with defrosting strips 403. The ends of the defrosting strips 403 are inclined, and the tops are provided with rounded structures. The defrosting strips 403 play the role of scraping water and frost.

[0046] In the preferred embodiment, a plurality of drain pipes 7 are provided on the top of the water collecting shell 401 , and the drain pipes 7 pass through the connecting beam 6 and are connected to the main drainage pipe; the drain pipes 7 can rise and fall according to the water collecting shell 401 .

[0047] A hot air blower 404 is also provided on one side of the water collecting shell 401, and the air outlet of the hot air blower 404 is in the same direction as the inclination of the defrosting scraper 403. The hot air blower 404 starts to blow hot air to the inner insulation film, and the frost on the surface of the inner insulation film begins to melt and become water droplets. At the same time, the movable hanger 5 also starts to move on the frame 2, and the defrosting scraper 403 of the defrosting device 4 starts to remove the water droplets on the inner insulation film.

[0048] In the preferred embodiment, a distance sensor is also provided on one side of the water collecting shell 401, and the distance sensor is electrically connected to the controller, and the controller is electrically connected to the first motor 8 and the second motor 10. The two support tubes of the skeleton 2 are not parallel, and the distance sensor senses the distance between the water collecting shell 401 and the inner insulation film, and the controller controls the second motor 10, and the water collecting shell 401 driven by the second motor 10 adapts to the inner insulation film at different distances.

[0049] In the preferred embodiment, a recessed platform is provided on the fixing strip 402, a clip strip 4031 at the tail of the defrosting scraper strip 403 is arranged on the recessed platform, a clip block 4021 is provided on the recessed platform, the clip block 4021 cooperates with the recessed platform to form a slot, the clip strip 4031 is placed in the slot, and a plurality of screws pass through the clip block 4021 and the clip strip 4031 to lock the defrosting scraper strip 403 on the fixing strip 402. The defrosting scraper strip 403 is convenient to replace, and the defrosting scraper strip 403 is convenient to replace after being damaged.

[0050] Example 2

[0051] Further illustrate with reference to Example 1, Figure 1-10 In the structure shown, S1, frost appears on the insulation film in the greenhouse 1, the defrost device 4 is turned on, the second motor 10 pushes the defrost device 4 to approach the insulation film, the defrost scraper 403 inside the defrost device 4 leans against the insulation surface, the distance sensor sensing distance, and the defrost device 4 reaches the top;

[0052] S2, the first motor 8 starts to drive the movable hanger 5 to move on the frame 2, the hot air blower 404 in front of the defrosting device 4 starts to start, the hot air blower 404 starts to blow hot air to the inner insulation film, the frost on the surface of the inner insulation film starts to melt and turns into water droplets, and at the same time the movable hanger 5 also starts to move on the frame 2, and the defrosting scraper 403 of the defrosting device 4 starts to remove the water droplets on the inner insulation film;

[0053] S3. The two support tubes of the skeleton 2 are not parallel. The distance sensor senses the distance between the water collecting shell 401 and the inner insulation film. The controller controls the second motor 10. The water collecting shell 401 driven by the second motor 10 adapts to the inner insulation film at different distances.

[0054] S4. After defrosting is completed, the defrosting device 4 and the movable hanger 5 return to their initial positions to facilitate the next defrosting.

[0055] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limiting the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An intelligent defrosting device for greenhouses in high-latitude and cold regions where fires are abandoned during the winter, characterized by: The invention comprises two movable hangers (5), the movable hangers (5) are connected via a connecting beam (6), the movable hangers (5) are hoisted and arranged on the lower rod body of the frame (2), a defrosting device (4) which can be raised and lowered is arranged between the two movable hangers (5), the defrosting device (4) rises and abuts against the inner surface of the inner thermal insulation film (3), the movable hangers (5) are connected to a first motor (8), the first motor (8) drives the movable hangers (5) to move on the frame (2), and the defrosting device (4) scrapes and defrosts the inner surface of the inner thermal insulation film (3); A mounting seat (11) is provided on the connecting beam (6), the mounting seat (11) is in a Z-shaped structure, the bottom of the mounting seat (11) is arranged on the connecting beam (6), the lower surface of the top bending section of the mounting seat (11) abuts against the top of the mounting frame (501) on one side of the movable hanger (5), a slide groove (9) is provided on the upper surface of the top bending section of the mounting seat (11), the defrosting device (4) is slidably connected to the slide groove (9), a lifting device is provided inside the slide groove (9), and the lifting device is connected to the defrosting device (4); The lifting device comprises a second motor (10), the output end of the second motor (10) is provided with a screw (1001), the screw (1001) is threadedly connected to a nut on one side of the defrosting device (4), and the second motor (10) drives the defrosting device (4) to approach the insulation film on the surface of the greenhouse (1); The mobile hanger (5) comprises a mounting frame (501) of a U-shaped structure, at least two inclined rollers (502) are provided at the top of both ends of the U-shape of the mounting frame (501), the inclined rollers (502) on both sides of the mounting frame (501) are arranged on a support frame below the frame (2), and a first motor (8) is arranged on one side of the mounting frame (501), and the first motor (8) is connected to the rollers (502); The rotating shafts of two rollers (502) on one side of the mounting frame (501) are connected via a synchronous belt (801); The roller (502) is a V-shaped hanging wheel; The bottoms of two adjacent mounting frames (501) of the framework (2) are connected via a connecting beam (6).

2. According to claim 1, an intelligent defrosting device for greenhouses in high-latitude and cold regions where fires are abandoned during the winter is characterized by: The defrosting device (4) comprises a water collecting shell (401), nuts are provided at both ends of the water collecting shell (401), the nuts are threadedly connected to the screw rod (1001), and both ends of the water collecting shell (401) are slidably connected to the slide groove (9); The top of the water collecting shell (401) is an open structure. A plurality of inclined fixing strips (402) are provided at the opening of the water collecting shell (401). The ends of the fixing strips (402) are clamped with defrosting scraping strips (403). The ends of the defrosting scraping strips (403) are inclined and a rounded structure is provided at the top.

3. According to claim 2, an intelligent defrosting device for greenhouses in high-latitude and cold regions where fires are abandoned during the winter is characterized by: A plurality of drainage pipes (7) are provided on the top of the water collecting shell (401), and the drainage pipes (7) pass through the connecting beam (6) and are connected to the drainage main pipe; A hot air blower (404) is also provided on one side of the water collecting shell (401), and an air outlet of the hot air blower (404) is aligned with an inclination direction toward the defrosting scraper (403).

4. The intelligent defrosting device for greenhouses in high-latitude and cold regions for wintering according to claim 3 is characterized by: A distance sensor is also provided on one side of the water collecting shell (401), the distance sensor is electrically connected to the controller, and the controller is electrically connected to the first motor (8) and the second motor (10).

5. According to claim 4, an intelligent defrosting device for greenhouses in high-latitude and cold regions where fires are abandoned during the winter is characterized by: A recessed platform is provided on the fixing strip (402); a clip strip (4031) at the tail of the defrost scraper strip (403) is arranged on the recessed platform; a clip block (4021) is provided on the recessed platform; the clip block (4021) cooperates with the recessed platform to form a clip groove; the clip strip (4031) is placed in the clip groove; and a plurality of screws pass through the clip block (4021) and the clip strip (4031) to lock the defrost scraper strip (403) on the fixing strip (402).

6. According to claim 5, a cleaning method for an intelligent defrosting device for a greenhouse in a high-latitude and cold region where fire is abandoned and wintering is carried out, characterized in that: The method includes: S1, when frost forms on the insulation film in the greenhouse (1), the defrost device (4) is turned on, the second motor (10) pushes the defrost device (4) toward the insulation film, the defrost scraper (403) inside the defrost device (4) abuts against the insulation surface, the distance sensor sensing distance, and the defrost device (4) reaches the top; S2, the first motor (8) starts to drive the movable hanger (5) to move on the frame (2), the hot air blower (404) in front of the defrosting device (4) starts to start, the hot air blower (404) starts to blow hot air to the inner insulation film, the frost on the surface of the inner insulation film starts to melt and turns into water droplets, and at the same time the movable hanger (5) also starts to move on the frame (2), and the defrosting scraper (403) of the defrosting device (4) starts to scrape the water droplets on the inner insulation film; S3, the two support tubes of the skeleton (2) are not parallel, the distance sensor senses the distance between the water collecting shell (401) and the inner thermal insulation film, the controller controls the second motor (10), and the water collecting shell (401) driven by the second motor (10) adapts to different distances from the inner thermal insulation film; S4. After defrosting is completed, the defrosting device (4) and the movable hanger (5) return to their initial positions to facilitate the next defrosting.

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