CN215957436U - Positive pressure ventilation system for greenhouse - Google Patents

Abstract

The utility model provides a positive pressure ventilation system for a greenhouse, relates to a system for forming a support in the greenhouse and ventilating from the outer side of the greenhouse to the inner side, and belongs to the field of agricultural greenhouses. The utility model provides a intercommunication through the bronchus forms skeleton texture, when supporting as the big-arch shelter, forms inside tuber pipe, and cooperation reducing tube coupling forms the ventilation system that carries out the air current circulation along the big-arch shelter outer fringe, including main tuber pipe, connection pipe support, bronchus, main tuber pipe bottom is provided with the bottom fixed plate, be provided with a plurality of mounting holes on the fixed plate of bottom, on main tuber pipe is arranged in to a plurality of connection pipe support distances, main tuber pipe top equidistance is provided with a plurality of through-holes, and connection pipe support and through-hole correspond, the bronchus is arranged in on the connection pipe support, and corresponds the intercommunication with the through-hole, and the connection pipe support is tee junction structure, and connection pipe support and bronchus, main tuber pipe binding face are provided with seal structure, and the bronchus extends the bending formation arch, can ventilate in the big-arch shelter, carries out the support of big-arch shelter.

Description

Positive pressure ventilation system for greenhouse

Technical Field

The utility model provides a positive pressure ventilation system for a greenhouse, relates to a system for forming a support in the greenhouse and ventilating from the outer side of the greenhouse to the inner side, and belongs to the field of agricultural greenhouses.

Background

At present, farming goes on in the big-arch shelter greenhouse, the variety of crop has been improved, but current big-arch shelter is in order to form greenhouse effect, can adopt airtight structure, inside temperature is high, humidity is big, lead to the mashed root of crop or heat evil easily, in addition when setting up the medicine deinsectization in the big-arch shelter, all be free diffusion, lack the inner loop, overall efficiency is low, current ventilation carries out the one-tenth room through windowing, in having the spontaneous income canopy of outside air current, overall ventilation efficiency is poor, can not control the humiture in the canopy.

Publication No. CN213368984U discloses greenhouse ventilation equipment for farming, including the greenhouse frame, the left side wall of greenhouse frame is located the position fixedly connected with warm and humid controller of centre subtotal, and above-mentioned structure carries out the air current circulation ventilation through single structure, and is inefficient, the function singleness.

The publication No. CN208370472U discloses an agricultural greenhouse ventilation device, which comprises a beam, a greenhouse, a push rod, a rectangular groove, a display, a zipper door, a sealing plate, a motor, a ventilation window, a filter screen, a fan, a lead screw, a slide bar, a through hole, a nut, a fixing plate, a vent and a slide groove, wherein the beam is arranged at the horizontal position of the top of the greenhouse, the display is arranged on the beam, the vent is respectively arranged on the side walls at two sides of the greenhouse, the rectangular groove is arranged inside the side wall of the greenhouse at one side of the vent, the sealing plate is arranged inside the rectangular groove, the push rod is arranged at one side of the sealing plate, one end of the push rod penetrates through the side wall of the greenhouse and extends out, the slide grooves are respectively arranged on the side walls at two sides of the greenhouse, the push rod is arranged inside the slide groove, the ventilation window is arranged on the side wall at the right side of the greenhouse, the motor is arranged at the top of the ventilation window, the slide bar is arranged in the vertical direction inside of the ventilation window, the structure is complex, and the layout that the ventilation airflow inside cannot be sufficient covers the whole shed.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a positive pressure ventilation system for greenhouses, which is a ventilation system for circulating air flow along the outer edge of a greenhouse by forming a skeleton structure through the communication of branch air pipes, forming an internal air pipe while serving as a greenhouse support and matching with a reducing pipe joint. Simple structure and convenient use.

The utility model discloses a positive pressure ventilation system of a greenhouse, which is realized by the following steps: the connecting pipe frame is of a three-way connecting structure, the joint surfaces of the connecting pipe frame, the branch air pipes and the main air pipes are provided with sealing structures, and the branch air pipes extend and bend to form an arch;

the branch air pipe is formed by connecting a plurality of independent pipe joints, the branch air pipe comprises a variable-diameter pipe joint and a connecting pipe joint, the connecting pipe joint comprises a straight section and an arc section, an inner sleeve is arranged at the end part of the variable-diameter pipe joint and correspondingly spliced in the connecting pipe joints at two sides, a sealing sleeve is sleeved on the outer wall of the inner sleeve, connecting lugs are arranged on the side walls of the variable-diameter pipe joint, the same connecting lugs are arranged on the side walls of the connecting pipe joints and correspondingly connected with the connecting lugs on the variable-diameter pipe joint, and a sealing gasket is arranged at a pipe joint;

the diameter-variable position of the diameter-variable pipe joint is provided with a ventilation window, and the grid plate is embedded in the ventilation window;

a side guide plate is arranged on the inner side of the branch air pipe;

the branch air pipe is made of steel structure pipes;

one end of the main air pipe is closed, and a connecting port is reserved at the other end of the main air pipe;

the spacing of the branch air pipes is equal to the spacing of the greenhouse frameworks;

a plurality of partition plates are arranged in the branch air pipe, and the branch air pipe is divided into a plurality of independent channels by the partition plates.

Has the advantages that:

firstly, the greenhouse can be ventilated and supported at the same time;

secondly, a multi-outlet ventilation structure can be formed along the periphery of the greenhouse;

thirdly, the structure is simple and the use is convenient.

Drawings

FIG. 1 is a perspective view of a positive pressure ventilation system for a greenhouse according to the present invention.

FIG. 2 is a schematic structural view of a branch air duct of the positive pressure ventilation system of the greenhouse of the present invention.

FIG. 3 is a schematic structural diagram of a branch air duct reducing joint of the positive pressure ventilation system for greenhouses, which only shows the structure of the reducing position.

FIG. 4 is a schematic structural diagram of the connection position of the branch pipes of the positive pressure ventilation system of the greenhouse, which only shows the structural schematic of the connection of the branch pipes.

In the drawings:

1. a main air duct; 2. a bottom fixing plate; 3. connecting the pipe frame; 4. a branch air pipe; 41. a variable diameter pipe section; 410. connecting lugs; 411. an inner sleeve; 412. sealing sleeves; 42. connecting pipe joints; 43. a ventilation window; 44. a grid plate; 45. sealing gaskets; 5. and a side guide plate.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

According to the illustrations of FIGS. 1-4: the utility model discloses a positive pressure ventilation system of a greenhouse, which is realized by the following steps: the connecting pipe frame 3 is of a three-way connecting structure, the connecting pipe frame 3, the branch air pipe 4 and the binding surface of the main air pipe 1 are provided with sealing structures, and the branch air pipe 4 extends and bends to form an arch;

the branch air pipe 4 is formed by connecting a plurality of independent pipe joints, the branch air pipe 4 comprises a variable-diameter pipe joint 41 and a connecting pipe joint 42, the connecting pipe joint 42 comprises a straight section and an arc section, an inner sleeve 411 is arranged at the end part of the variable-diameter pipe joint 41, the inner sleeve 411 is correspondingly inserted into the connecting pipe joints 42 at two sides in an inserting mode, a sealing sleeve 412 is sleeved on the outer wall of the inner sleeve 411, a connecting lug 410 is arranged on the side wall of the variable-diameter pipe joint 41, the same connecting lug 410 is arranged on the side wall of the connecting pipe joint 42 and is correspondingly connected with the connecting lug 410 on the variable-diameter pipe joint 41, and a sealing gasket 45 is arranged at a pipe joint;

the variable-diameter position of the variable-diameter pipe joint 41 is provided with a ventilation window 43, and a grid plate 44 is embedded in the ventilation window 43;

a side guide plate 5 is arranged on the inner side of the branch air pipe 4, and air flow can be guided out through the side guide plate 5;

the branch air pipes 4 are made of steel structural pipes, and can form a skeleton structure through the connection of the branch air pipes 4 to support the greenhouse;

one end of the main air pipe 1 is closed, and a connecting port is reserved at the other end of the main air pipe;

the interval of the branch air pipes 4 is equal to the interval of the greenhouse frameworks, the branch air pipes can be matched with the greenhouse frameworks to form supports, and air flow circulation from outside to inside is formed outside the greenhouse;

a plurality of partition plates are arranged in the branch air pipe 4, and the partition plates divide the branch air pipe 4 into a plurality of independent channels;

when in use, the main air duct 1 is fixed by the bottom fixing plate 2, the branch air ducts 4 are correspondingly connected and fixed by the connecting pipe frame 3, the branch air duct 4 is communicated with the main air duct 1, the branch air duct 4 is combined by the reducing pipe joint 41 and the connecting pipe joint 42, the branch air pipes 4 and the greenhouse framework have the same structure, and can be matched with the framework to support the greenhouse, the main air pipe 1 is communicated with an external fan, inject the air current into main tuber pipe 1 through the fan, the air current switches on through main tuber pipe 1 and through connecting pipe support 3 and branch tuber pipe 4, and the air current passes through side guide plate 5, in ventilation window 43 gets into the big-arch shelter, and the grid plate 44 in the ventilation window 43 separates the interception to the air current, forms the air current diffusion, and the cooperation of a plurality of branch tuber pipes 4 forms the air current circulation, combines the tracheal domes, forms the vortex circulation of air current, reaches the purpose that forms the big-arch shelter and ventilates.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (8)

1. A positive pressure ventilation system for a greenhouse, comprising: including main tuber pipe (1), connection pipe support (3), bronchus (4), main tuber pipe (1) bottom is provided with bottom fixed plate (2), be provided with a plurality of mounting holes on bottom fixed plate (2), on main tuber pipe (1) was arranged in to a plurality of connection pipe support (3) distances, main tuber pipe (1) top equidistance was provided with a plurality of through-holes, connection pipe support (3) and through-hole correspond, bronchus (4) are arranged in on connecting pipe support (3), and correspond the intercommunication with the through-hole, connection pipe support (3) are tee junction structure, connect pipe support (3) and bronchus (4), main tuber pipe (1) binding face is provided with seal structure, bronchus (4) extend crooked formation arch.

2. The positive pressure ventilation system for greenhouses according to claim 1, wherein: the utility model discloses a pipe joint, including the reducing pipe joint (41), connecting pipe joint (42) are connected to the branch tuber pipe (4) have a plurality of independent tube joints to constitute, branch tuber pipe (4) are including reducing pipe joint (41), connecting pipe joint (42) are two kinds including straight section and arc, the tip of reducing pipe joint (41) is provided with interior sleeve pipe (411), interior sleeve pipe (411) correspond to peg graft and arrange in connecting pipe joint (42) of both sides in, sleeve pipe (411) outer wall cover has put seal cover (412), the lateral wall of reducing pipe joint (41) is provided with engaging lug (410), the lateral wall of connecting pipe joint (42) is provided with same engaging lug (410), and correspond with engaging lug (410) on reducing pipe joint (41) and connect, the pipe joint is provided with seal gasket (45).

3. The positive pressure ventilation system for greenhouses according to claim 2, wherein: the variable-diameter pipe joint (41) is provided with a ventilating window (43) at the variable-diameter position, and the grid plate (44) is embedded in the ventilating window (43).

4. The positive pressure ventilation system for greenhouses according to claim 2, wherein: and a side guide plate (5) is arranged on the inner side of the branch air pipe (4).

5. The positive pressure ventilation system for greenhouses according to claim 1, wherein: the branch air pipe (4) is made of steel structure pipes.

6. The positive pressure ventilation system for greenhouses according to claim 2, wherein: one end of the main air pipe (1) is closed, and a connecting port is reserved at the other end of the main air pipe.

7. The positive pressure ventilation system for greenhouses according to claim 2, wherein: the interval of the branch air pipes (4) is equal to the interval of the greenhouse frameworks.

8. The positive pressure ventilation system for greenhouses according to claim 1, wherein: a plurality of partition plates are arranged in the branch air pipe (4), and the branch air pipe (4) is divided into a plurality of independent channels by the partition plates.

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