CN210491873U

CN210491873U - Ventilation device for greenhouse cultivation of fruits and vegetables

Info

Publication number: CN210491873U
Application number: CN201920767683.1U
Authority: CN
Inventors: 郑风亮; 李佳
Original assignee: Tianjin Duoxing Manor Agricultural Technology Development Co Ltd
Current assignee: Tianjin Duoxing Manor Agricultural Technology Development Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-05-12
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses a fruit vegetables warmhouse cultivation ventilation unit relates to the ventilation unit field, this fruit vegetables warmhouse cultivation ventilation unit, including the ventilation pipe, the top of ventilation pipe is provided with big-arch shelter and support respectively, the both ends of ventilation pipe are located the inside and the outside of big-arch shelter respectively, the ventilation pipe is located the inlet scoop fixed connection that flange and draught fan were passed through to the outside one end of big-arch shelter, and the ventilation pipe is the U-shaped, and the bottom of big-arch shelter is provided with the connecting pipe, and the both ends of connecting pipe are located the inside and the outside of big-arch shelter respectively, and the connecting pipe is located the inside one end of big-arch shelter and is hemispherical, and the connecting pipe is located the inside one end of big-arch shelter and has seted up the. The utility model discloses a set up draught fan, connecting pipe, ventilation pipe and ventilation case, solved all need provide good problem of taking a breath and ventilation environment for big-arch shelter inside in sunny warm weather and sleet weather.

Description

Ventilation device for greenhouse cultivation of fruits and vegetables

Technical Field

The utility model relates to a ventilation unit technical field specifically is a ventilation unit is cultivated in fruit vegetables greenhouse.

Background

The greenhouse cultivation of fruits and vegetables usually adopts the warmhouse booth to carry out the warmhouse cultivation, plays the effect of heat preservation, and ventilation unit is the equipment that is used for ventilating and taking a breath the big-arch shelter, makes to play certain cooling effect and ventilation effect in the big-arch shelter.

The greenhouse mainly is that the inside greenhouse can reach more than 25 degrees under the abundant condition in daytime at day time, needs to roll up the big-arch shelter aeration cooling winter at noon too hot and spring and autumn two seasons, and the inside air circulation of greenhouse is better more difficult for breeding the bacterium, should combine the regulation temperature to carry out ventilation in addition in fine warm weather, and rain and snow weather also should suitably carry out ventilation, all has good taking a breath and ventilation effect in fine warm weather and rain and snow weather and we provide a fruit vegetables greenhouse cultivation ventilation unit in order to make things convenient for.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a ventilation unit is cultivated in fruit vegetables greenhouse, solved all need provide good taking a breath and the problem of ventilation environment for the big-arch shelter inside fine and warm weather and sleet weather.

The utility model provides a its technical problem realize through following technical scheme:

a ventilation device for fruit and vegetable greenhouse cultivation comprises a ventilation pipe, wherein a greenhouse and a support are respectively arranged above the ventilation pipe, two ends of the ventilation pipe are respectively positioned inside and outside the greenhouse, one end of the ventilation pipe, which is positioned outside the greenhouse, is fixedly connected with an air suction opening of an induced draft fan through a flange, the ventilation pipe is U-shaped, a connecting pipe is arranged at the bottom of the greenhouse, two ends of the connecting pipe are respectively positioned inside and outside the greenhouse, one end of the connecting pipe, which is positioned inside the greenhouse, is hemispherical, an air hole is formed in one end of the connecting pipe, which is positioned inside the greenhouse, the end part of the connecting pipe, which is positioned outside the greenhouse, is V-shaped, the end part of the connecting pipe, which is positioned outside the greenhouse, is fixedly connected with the bottom of a ventilation box, the connecting pipe is communicated with, the inserted bar is positioned on one side of the connecting pipe far away from the greenhouse.

And the inserted bar is vertically arranged and fixedly connected to the surface of the connecting pipe, the bottom of the inserted bar is in a conical shape, and the surface of the inserted bar is provided with a circular flange.

Moreover, the connecting pipes are equidistantly distributed at the bottom of the ventilation box from the front to the back.

Moreover, the ventilation case includes box shell, inner cup and enclosing cover, the inside of box shell is provided with the filter screen, inner cup and enclosing cover all pass through hinge connection on the right side of box shell, the inner cup is the grid form, enclosing cover swing joint is on the right side of inner cup.

And, the right side of box shell is the vent, the hinge that inner cup and enclosing cover correspond sets up respectively in the position department that the box shell right side is close to the bottom and the position department that the box shell right side is close to the top.

The utility model discloses an advantage and beneficial effect do:

1. the ventilation device for fruit and vegetable greenhouse cultivation of the utility model opens the inner cover and the outer cover by arranging the draught fan, the connecting pipe, the ventilation pipe and the ventilation box, the top of the inner cover is supported at the corner position of the bottom part and the bottom flange of the outer cover, the inner cover supports the outer cover, the supported angle is an acute angle, rain water and dust can be prevented from entering the ventilation box during ventilation, the air in the greenhouse is pumped out to the outside of the greenhouse through the ventilation pipe after the draught fan is started, the air pressure in the greenhouse is reduced, and is less than the atmospheric pressure in the external environment of the greenhouse, external air flows into the connecting pipe through the ventilation opening of the ventilation box, and then circulate inside the big-arch shelter, realize inside and outside air convection of big-arch shelter, reached and to have guaranteed the purpose of taking a breath and ventilating in sunny warm weather and sleet weather homoenergetic, solved and all need provide good taking a breath and the problem of ventilation environment for big-arch shelter inside sunny warm weather and sleet weather.

Drawings

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

FIG. 2 is a left side view of the connecting pipe of the present invention;

FIG. 3 is a front sectional view of the connecting tube of the present invention;

fig. 4 is a front sectional view of the ventilation box of the present invention.

In the figure: 1-a vent pipe; 2-greenhouse; 3-a scaffold; 4-a draught fan; 5-connecting pipe; 6-air holes; 7-a ventilation box; 701-a box body shell; 702-an inner cover; 703-an outer cover; 8-inserting a rod; 9-a filter screen.

Detailed Description

The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.

A ventilation device for fruit and vegetable greenhouse cultivation comprises a ventilation pipe 1, wherein two ends of the ventilation pipe 1 are upwards arranged on the outer portion and the inner portion of a greenhouse 2 respectively when the ventilation pipe 1 is installed, the bottom of the ventilation pipe 1 is pre-buried by soil to ensure the stability of the ventilation pipe 1, the greenhouse 2 and a support 3 are arranged above the ventilation pipe 1 respectively, the greenhouse 2 is propped open by the support 3, two ends of the ventilation pipe 1 are respectively arranged on the inner portion and the outer portion of the greenhouse 2, one end, located on the outer portion of the greenhouse 2, of the ventilation pipe 1 is fixedly connected with an air suction opening of an induced draft fan 4 through a flange, an air outlet of the induced draft fan 4 is located on the front side, the induced draft fan 4 is installed on the ground outside the greenhouse 2 through a fixing bolt, the ventilation pipe 1 is U-shaped, a connecting pipe 5 is arranged at the bottom of the greenhouse 2, the connecting pipe 5 is, connecting pipe 5 is located 2 inside one ends in big-arch shelter and is hemispherical, and connecting pipe 5 is located 2 inside one ends in big-arch shelter and has seted up bleeder vent 6, the tip that connecting pipe 5 is located 2 outside big-arch shelter is the V-arrangement, connecting pipe 5 is located 2 outside tip in big-arch shelter and ventilation case 7's bottom fixed connection, and connecting pipe 5 is linked together with ventilation case 7, ventilation case 7 and draught fan 4 are located 2 both sides in big-arch shelter respectively, the surface of connecting pipe 5 is provided with inserted bar 8, inserted bar 8 is located one side that big-arch shelter 2 was kept away from to connecting.

The vertical setting of inserted bar 8 and fixed connection are on the surface of connecting pipe 5, and the bottom of inserted bar 8 is coniform, and the surface of inserted bar 8 is provided with the ring form flange, and the ring form flange is pre-buried plays the effect of increase inserted bar 8 and soil gripping in soil.

Connecting pipe 5 distributes in the bottom of ventilation case 7 from front to back equidistance, and connecting pipe 5 equidistance distributes inside 2 big-arch shelters, and 2 inner spaces of big-arch shelter are great, make 2 inside more abundant ventilations of big-arch shelter through setting up a plurality of connecting pipes 5, improve ventilation efficiency.

Ventilation box 7 includes box shell 701, inner cup 702 and enclosing cover 703, box shell 701's inside is provided with filter screen 9, inner cup 702 and enclosing cover 703 all through hinge connection on box shell 701's right side, inner cup 702 is the grid form, enclosing cover 703 swing joint is on inner cup 702's right side, filter screen 9 is attached to tiny dust outside the net, blocks up connecting pipe 5 when avoiding long-term ventilation, open inner cup 702 and enclosing cover 703 and can scrape the outside dust of filter screen 9 and fall.

The right side of the box body shell 701 is provided with a ventilation opening, hinges corresponding to the inner cover 702 and the outer cover 703 are respectively arranged at the position, close to the bottom, of the right side of the box body shell 701 and the position, close to the top, of the right side of the box body shell 701, and the outer cover 703 is L-shaped, so that the inner cover 702 can be conveniently placed.

When the greenhouse is used, the outer cover 703 is upwards turned around the top hinge of the box body shell 701, the inner cover 702 is downwards turned around the bottom hinge of the box body shell 701, the inner cover 702 and the outer cover 703 can be opened, the top of the inner cover 702 is supported at the corner position of the bottom of the outer cover 703 and a bottom flange, the outer cover 703 is supported by the inner cover 702, a front-back through ventilation channel is formed between the inner cover 702 and the outer cover 703, the included angle between the inner cover 702 and the outer cover 703 is a supporting angle, the supporting angle is an acute angle, the ventilation opening of the box body shell 701 and the grid-shaped inner cover 702 are both positioned at the left lower part of the outer cover 703 and are shielded by the outer cover 703, rainwater and dust can be prevented from entering the ventilation box 7 during ventilation, ventilation is realized from the grid hole of the opened inner cover 702, the front side and the back side of the ventilation channel, the air in the greenhouse 2 is pumped out of the greenhouse 2, outside air flows into the connecting pipe 5 through the vent of the ventilation box 7, and then circulates to the inside of the greenhouse 2 from the vent holes 6 to the outside of the connecting pipe 5, so that convection between the inside of the greenhouse 2 and the outside air of the greenhouse 2 is realized, the purposes of ventilation and ventilation in sunny and warm weather and rainy and snowy weather are achieved, and the inner cover 702 and the outer cover 703 of the draught fan 4 and the ventilation box 7 can be closed during heat preservation.

To sum up can, the utility model discloses a set up draught fan 4, connecting pipe 5, ventilation pipe 1 and ventilation case 7, solved all need provide good taking a breath and the problem of ventilation environment for 2 insides of big-arch shelter in sunny warm weather and sleet weather.

Although the present invention discloses the embodiments and the accompanying drawings, those skilled in the art can understand that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims

1. The utility model provides a ventilation unit is cultivated in fruit vegetables greenhouse, includes ventilation pipe (1), its characterized in that: the greenhouse is characterized in that a greenhouse (2) and a support (3) are respectively arranged above the ventilation pipe (1), the two ends of the ventilation pipe (1) are respectively positioned inside and outside the greenhouse (2), one end of the ventilation pipe (1) positioned outside the greenhouse (2) is fixedly connected with an air suction opening of the induced draft fan (4) through a flange, the ventilation pipe (1) is U-shaped, a connecting pipe (5) is arranged at the bottom of the greenhouse (2), the two ends of the connecting pipe (5) are respectively positioned inside and outside the greenhouse (2), one end of the connecting pipe (5) positioned inside the greenhouse (2) is hemispherical, an air hole (6) is formed in one end of the connecting pipe (5) positioned inside the greenhouse (2), the end of the connecting pipe (5) positioned outside the greenhouse (2) is V-shaped, and the end of the connecting pipe (5) positioned outside the greenhouse (2) is fixedly connected with the bottom of the ventilation box (7, and connecting pipe (5) are linked together with ventilation case (7), ventilation case (7) and draught fan (4) are located the both sides of big-arch shelter (2) respectively, the surface of connecting pipe (5) is provided with inserted bar (8), inserted bar (8) are located connecting pipe (5) and keep away from one side of big-arch shelter (2).

2. The ventilation device for greenhouse cultivation of fruits and vegetables according to claim 1, characterized in that: the plug rod (8) is vertically arranged and fixedly connected to the surface of the connecting pipe (5), the bottom of the plug rod (8) is conical, and a circular flange is arranged on the surface of the plug rod (8).

3. The ventilation device for greenhouse cultivation of fruits and vegetables according to claim 1, characterized in that: the connecting pipes (5) are equidistantly distributed at the bottom of the ventilation box (7) from the front to the back.

4. The ventilation device for greenhouse cultivation of fruits and vegetables according to claim 1, characterized in that: ventilation case (7) include box shell (701), inner cup (702) and enclosing cover (703), the inside of box shell (701) is provided with filter screen (9), inner cup (702) and enclosing cover (703) all are on the right side of box shell (701) through hinge connection, inner cup (702) are the grid form, enclosing cover (703) swing joint is on the right side of inner cup (702).

5. The ventilation device for greenhouse cultivation of fruits and vegetables according to claim 4, characterized in that: the right side of box shell (701) is the vent, the hinge that inner cup (702) and enclosing cover (703) correspond sets up respectively and is close to the position department of bottom and box shell (701) right side near the position department of top in box shell (701).