CN218184312U

CN218184312U - Automatic ventilation device for plastic greenhouse

Info

Publication number: CN218184312U
Application number: CN202222381475.2U
Authority: CN
Inventors: 胡光艳; 曾宪任; 余香梅
Original assignee: Jiujiang University
Current assignee: Jiujiang University
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-03
Anticipated expiration: 2032-09-08

Abstract

The utility model belongs to the technical field of the farming technique and specifically relates to an automatic ventilation device of hot house, including the hot house body, the hot house body comprises supporting mechanism and heat preservation tectorial membrane, and supporting mechanism comprises a plurality of pole settings of supporting and a plurality of arch crossbearers, offers the ventilation window that is used for carrying out ventilation to the big-arch shelter inside on the heat preservation tectorial membrane, is located the arch crossbearer outside and is equipped with the ventilation tectorial membrane in the ventilation window, is located ventilation window department arch crossbearer one side and is equipped with the automatic actuating mechanism that opens and shuts that trades of ventilation tectorial membrane, the utility model discloses a vent that design can carry out automatic opening and shutting conveniently ventilates to hot house inside, detects the inside temperature of hot house through temperature detector, when temperature detector detects the inside temperature of big-arch shelter and is greater than the settlement threshold value, the PLC controller starts the actuating mechanism that takes a breath and opens the ventilation tectorial membrane, ventilates to the hot house inside, simple structure, does not need the manual work to open and shut and ventilate.

Description

Automatic ventilation device for plastic greenhouse

Technical Field

The utility model relates to an agricultural planting technical field specifically is an automatic ventilation device of hot house.

Background

At present traditional warmhouse booth ventilation operation all reserves several openings in advance between warmhouse booth top wall body and heat preservation plastic film, when needing to ventilate, an opening is drawn out to the manual work between with heat preservation plastic film and the wall body, ventilate from this, when needing to close, the manual work is closed the opening between heat preservation plastic film and the wall body again, though can open through the assembly pulley, but still need open through manual operation and close, inconvenient artifical a large amount of operations, the extravagant manpower, cause workman's expense to rise, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic ventilation device of hot house to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automatic ventilation device of hot house, includes the hot house body, the hot house body comprises supporting mechanism and heat preservation tectorial membrane, supporting mechanism comprises a plurality of support pole settings and a plurality of arch crossbearers, offer the ventilation window that is used for ventilating the big-arch shelter inside on the heat preservation tectorial membrane, be located arch crossbearer outside is equipped with the ventilation tectorial membrane, the ventilation tectorial membrane is the square structure setting, is located ventilation window department arch crossbearer one side is equipped with the automatic actuating mechanism that opens and shuts of ventilation tectorial membrane.

As the utility model discloses preferred scheme, every the arch crossbearer has been close to and has been seted up the spout on the heat preservation tectorial membrane outer wall, the spout is the arc structure setting, every the spout is inside be equipped with the rack that the spout slides and is connected, the rack is the arc structure setting, spout length is greater than the length of rack, every rack bottom outer wall connection has first fixed block, every rack middle part outer wall connection has the second fixed block, first fixed block with ventilation tectorial membrane one end bottom is connected, the second fixed block with ventilation tectorial membrane other end bottom is connected.

As the utility model discloses preferred scheme, the drive mechanism of taking a breath is including drive assembly and drive gear, drive gear is located inside the spout, drive gear with rack toothing is connected, drive gear one side fixedly connected with dead lever, the dead lever is kept away from drive gear one end runs through spout one side inner wall extends to its outside.

As the utility model discloses preferred scheme, drive assembly is including driving motor, driving motor bottom through the backup pad with arch crossbearer one side outer wall is connected, the driving motor output through the shaft coupling with the dead lever is connected.

As the utility model discloses preferred scheme, support the pole setting with be connected with the stiffener between the arch crossbearer, be located this internal middle part of hot house is one of them the stiffener below is equipped with temperature detector.

As the utility model discloses preferred scheme, hot house body outside is equipped with the PLC controller, be equipped with touch-control operation screen on the PLC controller, temperature detector with the PLC controller is connected through the wire.

Compared with the prior art, the beneficial effects of the utility model are that:

to the present traditional warmhouse booth ventilation operation that provides in the background art all reserve several openings in advance between warmhouse booth top wall body and heat preservation plastic film, when needing the ventilation, the manual work is with pulling out an opening between heat preservation plastic film and the wall body, ventilate from this, when needing to close, close through manual operation, extravagant manpower, cause workman's expense to rise, awkward problem, the utility model discloses a design can carry out automatic switching's vent convenience and ventilate to the inside of warmhouse booth, detect warmly in the warmhouse booth through temperature detector, when temperature detector detects the inside temperature of warmhouse booth and is greater than the settlement threshold value, the PLC controller starts the drive mechanism of taking a breath and opens the tectorial membrane of taking a breath with ventilating, ventilates to the warmly in the warmly so far-shed booth, simple structure does not need the manual work to open and shut, saves labour cost.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

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

FIG. 3 is a schematic view of the arched cross frame of the present invention;

FIG. 4 is a schematic view of the connection between the arched crossbearer and the ventilation film;

fig. 5 is a schematic view of the rack of the present invention;

fig. 6 is a schematic view of the ventilation driving mechanism of the present invention.

In the figure: 1. a vinyl house body; 2. a support mechanism; 3. heat preservation and film covering; 31. a ventilation window; 21. supporting the upright stanchion; 22. an arched cross frame; 23. a reinforcing bar; 24. a temperature detector; 25. a PLC controller; 221. a chute; 222. a rack; 223. a first fixed block; 224. a second fixed block; 4. ventilating and air-exchanging film covering; 5. a ventilation driving mechanism; 51. a drive assembly; 511. a drive motor; 512. a support plate; 52. a drive gear; 53. fixing the rod; 54. a coupling is provided.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the present invention are presented. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-6, the present invention provides a technical solution: an automatic ventilation device for a plastic greenhouse comprises a plastic greenhouse body 1, wherein the plastic greenhouse body 1 is composed of a supporting mechanism 2 and a heat-insulating covering film 3, the supporting mechanism 2 is composed of a plurality of supporting vertical rods 21 and a plurality of arched crossbearers 22 in a welded mode, ventilation windows 31 for ventilating the interior of the greenhouse are arranged on the heat-insulating covering film 3, ventilation covering films 4 are arranged on the outer portions of the arched crossbearers 22 in the ventilation windows 31, the ventilation covering films 4 are arranged in a square structure, the width of the ventilation covering films 4 is larger than that of the ventilation windows 31, an automatic opening and closing ventilation driving mechanism 5 for the ventilation covering films 4 is arranged on one side of the arched crossbearers 22 at the positions of the ventilation windows 31, a sliding groove 221 is formed in each arched crossbearer 22, a sliding groove 221 is formed in a cambered structure, a rack 222 connected with the sliding groove 221 in a sliding mode is arranged in each sliding groove 221, and the rack 222 is arranged in a cambered structure, the length of the sliding groove 221 is greater than that of the rack 222, so that the rack 222 can move up and down and slide back and forth in the sliding groove 221, the outer wall of the bottom of each rack 222 is connected with a first fixing block 223, the outer wall of the middle of each rack 222 is connected with a second fixing block 224, the first fixing block 223 is fixedly connected with the bottom of one end of the ventilation coating 4, the second fixing block 224 is fixedly connected with the bottom of the other end of the ventilation coating 4, the ventilation coating 4 is driven to open for ventilation through the first fixing block 223 and the second fixing block 224 on the rack 222 in the two arched transverse frames 22, the ventilation driving mechanism 5 comprises a driving component 51 and a driving gear 52, the driving gear 52 is positioned in the sliding groove 221, the driving gear 52 is meshed with the rack 222, one side of the driving gear 52 is fixedly connected with a fixing rod 53, one end of the fixing rod 53, which is far away from the driving gear 52, penetrates through the inner wall of one side of the sliding groove 221 and extends to the outside, the driving assembly 51 comprises a driving motor 511, the driving motor 511 is connected with the PLC 25 through a wire, the bottom of the driving motor 511 is fixedly connected with the outer wall of one side of the arched cross frame 22 through a supporting plate 512, the output end of the driving motor 511 is connected with a fixing rod 53 through a coupler 54, the driving gear 52 is driven by the driving motor 511 to rotate, the rack 222 is further driven to move up and down, the rack 222 moves and simultaneously drives the ventilation film 4 to move upwards, and ventilation is performed inside the vinyl house body 1.

In the embodiment, referring to fig. 1 and 2, a reinforcing rod 23 is connected between a supporting vertical rod 21 and an arched cross frame 22, the reinforcing rod 23 is connected with the supporting vertical rod 21 and the arched cross frame 22 in a welding manner, a temperature detector 24 is arranged below one reinforcing rod 23 located in the middle of the inside of the vinyl house body 1, a PLC controller 25 is arranged outside the vinyl house body 1, the model of the PLC controller 25 is S7-200, the PLC controller 25 is provided with a control chip, a touch control operation screen is arranged on the PLC controller 25, the temperature detector 24 is connected with the PLC controller 25 through a wire, the temperature inside the vinyl house is detected through the temperature detector 24, when the temperature detector 24 detects that the temperature inside the vinyl house is higher than a set threshold value, the PLC controller 25 starts a ventilation driving mechanism 5 to open a ventilation film 4, ventilation inside the vinyl house is performed, and when the temperature detector 24 detects that the temperature inside the vinyl house is lower than the set threshold value, the PLC controller 25 starts the ventilation driving mechanism 5 to close the ventilation film 4.

The utility model discloses work flow:

when the temperature monitoring device is used, the PLC 25 is started, the highest temperature and the lowest temperature inside the greenhouse are set through the PLC 25, the temperature detector 24 detects the temperature inside the greenhouse, when the temperature detector 24 detects that the temperature inside the greenhouse is greater than a set threshold value, the PLC 25 starts the driving motor 511 to rotate, the driving gear 52 is driven to rotate through the driving motor 511, the rack 222 is further driven to move up and down, the rack 222 drives the ventilation and ventilation film covering 4 to move upwards while moving, ventilation and ventilation are performed inside the vinyl house body 1, when the temperature detector 24 detects that the temperature inside the greenhouse is less than the set threshold value, the PLC 25 starts the driving motor 511 to rotate, the driving gear 52 is driven to rotate through the driving motor 511, the rack 222 is further driven to move downwards, the rack 222 drives the ventilation and ventilation film covering 4 to move downwards while moving downwards, and the inside of the vinyl house body 1 is kept warm.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic ventilation device of hot house, includes hot house body (1), its characterized in that: the plastic greenhouse is characterized in that the plastic greenhouse body (1) is composed of a supporting mechanism (2) and a heat-preservation covering film (3), the supporting mechanism (2) is composed of a plurality of supporting vertical rods (21) and a plurality of arched cross frames (22), a ventilation window (31) used for ventilating the interior of the greenhouse is arranged on the heat-preservation covering film (3), the ventilation window (31) is located, a ventilation covering film (4) is arranged outside the arched cross frame (22) in the ventilation window (31), the ventilation covering film (4) is arranged in a square structure, and the ventilation window (31) is located on one side of the arched cross frame (22) and is provided with a ventilation covering film (4) and an automatic opening and closing ventilation driving mechanism (5).

2. The automatic ventilation device for the vinyl house of claim 1, wherein: every arch crossbearer (22) have been close to and have been seted up spout (221) on heat preservation tectorial membrane (3) outer wall, spout (221) are the arc structure setting, every spout (221) inside be equipped with spout (221) slide rack (222) that are connected, rack (222) are the arc structure setting, spout (221) length is greater than the length of rack (222), every rack (222) bottom outer wall is connected with first fixed block (223), every rack (222) middle part outer wall is connected with second fixed block (224), first fixed block (223) with ventilation tectorial membrane (4) one end bottom is connected, second fixed block (224) with ventilation tectorial membrane (4) other end bottom is connected.

3. The automatic ventilation device for vinyl house of claim 2, wherein: the ventilation driving mechanism (5) comprises a driving assembly (51) and a driving gear (52), the driving gear (52) is located inside the sliding groove (221), the driving gear (52) is meshed with the rack (222) and connected, a fixing rod (53) is fixedly connected to one side of the driving gear (52), and the fixing rod (53) is far away from one end of the driving gear (52) and penetrates through the inner wall of one side of the sliding groove (221) and extends to the outside of the sliding groove.

4. The automatic ventilation device for the vinyl house of claim 3, wherein: the driving assembly (51) comprises a driving motor (511), the bottom of the driving motor (511) is connected with the outer wall of one side of the arched cross frame (22) through a supporting plate (512), and the output end of the driving motor (511) is connected with the fixing rod (53) through a coupler (54).

5. The automatic ventilation device for the vinyl house of claim 1, wherein: the supporting upright rods (21) and the arched crossbearers (22) are connected with reinforcing rods (23), and a temperature detector (24) is arranged below one of the reinforcing rods (23) in the middle of the plastic greenhouse body (1).

6. The automatic ventilation device for the vinyl house of claim 5, wherein: the plastic greenhouse is characterized in that a PLC (programmable logic controller) 25 is arranged outside the plastic greenhouse body (1), a touch operation screen is arranged on the PLC 25, and the temperature detector 24 is connected with the PLC 25 through a wire.