CN212487613U

CN212487613U - Green house ventilation unit

Info

Publication number: CN212487613U
Application number: CN202021090993.3U
Authority: CN
Inventors: 卢锦华; 韩磊; 张芸
Original assignee: Hebei Zhongzhi Ecological Agriculture Technology Co ltd
Current assignee: Hebei Zhongzhi Ecological Agriculture Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-02-09
Anticipated expiration: 2030-06-15

Abstract

The utility model provides an agricultural greenhouse ventilation unit, the loach carrying platform comprises a supporting fram, support frame one side rigid coupling has the air inlet storehouse, be provided with heating mechanism in the air inlet storehouse, wind gap I has been seted up on air inlet storehouse top, wind gap II has been seted up to air inlet storehouse low side, support frame bottom rigid coupling has first motor, first motor rigid coupling is in air inlet storehouse one side, first motor output shaft rigid coupling has lead screw I, lead screw I is vertical to be laid, lead screw I top coupling is in on the support frame, threaded connection has nut I on the lead screw I, nut I side rigid coupling has the fan, the fan with be connected with the hose between the wind gap II, the support frame is kept away from exhaust mechanism has been seted up on one side top in air inlet storehouse. The utility model discloses can realize the inside ventilation of big-arch shelter area on a large scale, can reduce the abrupt drop of the inside temperature of big-arch shelter by a wide margin when ventilation winter.

Description

Green house ventilation unit

Technical Field

The utility model relates to a seedling planting technical field, concretely relates to green house ventilation unit.

Background

Agricultural production is more and more high to the requirement of automation, especially present winter in the north warmhouse booth gets into the large-scale production gradually and plants, traditional warmhouse booth's daily work is more, in summer, the intensity of sunshine is bigger, temperature rise is more fast in the warmhouse booth, at this moment, in order to make the temperature invariant in the warmhouse booth, need carry out ventilation and heat dissipation for the warmhouse booth, and in winter, outdoor temperature is very low, can not directly get into the big-arch shelter with cold air in, ventilation is difficult to guarantee the inside constancy of temperature of warmhouse booth winter. At present, in the traditional greenhouse, a plurality of openings are reserved between the wall body at the top of the greenhouse and the heat-insulating plastic film in advance, when ventilation is needed, an opening is pulled out between the heat-insulating plastic film and the wall body manually, therefore, the ventilation is carried out, when the opening between the heat-insulating plastic film and the wall body needs to be closed, the opening between the heat-insulating plastic film and the wall body is manually closed, although the device for opening and closing the ventilation opening between the heat-insulating plastic film and the wall body can be carried out through the pulley block, the device still needs manual operation, increases the workload of people, but also the temperature in the greenhouse can drop suddenly by ventilation in winter, and the ventilation is carried out by using a fan in the prior art, but the fan blows towards a fixed direction in the big-arch shelter only, can not realize the flow of air current in a large scale, and the efficiency of taking a breath is not high, consequently needs the problem that an agricultural greenhouse ventilation unit exists in order to solve prior art of design.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an agricultural greenhouse ventilation unit is in order to solve the problem that exists among the prior art. The utility model discloses can realize the inside ventilation of big-arch shelter area on a large scale, can reduce the abrupt drop of the inside temperature of big-arch shelter by a wide margin when ventilation winter.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides an agricultural greenhouse ventilation unit, the loach carrying platform comprises a supporting fram, support frame one side rigid coupling has the air inlet storehouse, be provided with heating mechanism in the air inlet storehouse, wind gap I has been seted up on air inlet storehouse top, wind gap II has been seted up to air inlet storehouse low side, support frame bottom rigid coupling has first motor, first motor rigid coupling is in air inlet storehouse one side, first motor output shaft rigid coupling has lead screw I, lead screw I is vertical to be laid, lead screw I top coupling is in on the support frame, threaded connection has nut I on the lead screw I, nut I side rigid coupling has the fan, the fan with be connected with the hose between the wind gap II, the support frame is kept away from exhaust mechanism has been seted up on one side top in air inlet storehouse.

Preferably, the air port I is fixedly connected with a cross rod I, the cross rod I is fixedly connected with a second motor, and an output shaft of the second motor is fixedly connected with a helical blade.

Preferably, the heating mechanism includes the heater, the heater rigid coupling is in on the air inlet storehouse inside wall, the rigid coupling has a plurality of heat-conducting plate on the heater, a plurality of the heat-conducting plate is arranged in proper order from top to bottom at interval.

Preferably, a diffusion air nozzle is fixedly connected to the air outlet of the fan.

Preferably, the outer side of the air inlet bin is fixedly connected with two limit switches, the two limit switches are arranged at the same side as the screw rod I and are arranged in an up-and-down symmetrical mode, and the projection of the limit switches on the vertical surface coincides with the projection of the nut I on the vertical surface.

Preferably, the exhaust mechanism comprises an air outlet, the air outlet is formed in the top end of the support frame, a cross rod II is fixedly connected in the air outlet, a third motor is fixedly connected to the cross rod II, and a helical blade is fixedly connected to an output shaft of the third motor.

Preferably, two rows of air outlets are symmetrically formed in two sides of the top end of the support frame, a V-shaped cover is sleeved on the air outlets, and an opening and closing mechanism is detachably connected in the V-shaped cover.

Preferably, the opening and closing mechanism comprises a V-shaped block, an L-shaped cross beam is fixedly connected to the V-shaped block, a sliding block is fixedly connected to the end portion of the L-shaped cross beam, a sliding rod is sleeved on the sliding block, the sliding rod is horizontally and fixedly connected to the supporting frame, a connecting rod is hinged to the sliding block, and the end portion of the connecting rod is hinged to a driving mechanism.

Preferably, actuating mechanism includes nut II, nut II threaded connection has lead screw II, lead screw II rigid coupling has the fourth motor, the fourth motor rigid coupling is in on the support frame, lead screw II top with fourth motor output shaft rigid coupling, the connecting rod tip with nut II is articulated.

The utility model discloses a following technological effect:

1. the utility model can realize the circulation of large-range gas inside the greenhouse during the ventilation of the greenhouse by arranging the first motor, the screw rod I, the nut I and the fan, thereby improving the ventilation efficiency;

2. can guarantee through setting up air inlet storehouse and heating mechanism to reduce the abrupt drop of the inside temperature of big-arch shelter by a wide margin when carrying out ventilation winter, in addition when carrying out ventilation summer, select not to use heating mechanism, whole device uses convenience more.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram according to a second embodiment;

fig. 3 is a partial enlarged view of a in fig. 2.

The air conditioner comprises a support frame 1, an air inlet bin 2, an air inlet I3, an air inlet II4, a first motor 5, a screw rod I6, a nut I7, a fan 8, a hose 9, a cross rod I10, a second motor 11, a heater 12, a heat conducting plate 13, a diffusion air nozzle 14, a limit switch 15, an air outlet 16, a third motor 17, a cross rod II18, a V-shaped cover 19, a V-shaped block 20, an L-shaped cross beam 21, a sliding block 22, a sliding rod 23, a connecting rod 24, a nut II25, a screw rod II26 and a fourth motor 27, wherein the air inlet bin is arranged on the support frame 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, the utility model provides a ventilating device for agricultural greenhouses, which comprises a supporting frame 1, an air inlet bin 2 is fixedly connected to one side of the supporting frame 1, a heating mechanism is arranged in the air inlet bin 2, an air inlet I3 is arranged at the top end of the air inlet bin 2, an air inlet II4 is arranged at the lower end of the air inlet bin 2, a first motor 5 is fixedly connected to the bottom end of the supporting frame 1, the first motor 5 is fixedly connected to one side of the air inlet bin 2, an output shaft of the first motor 5 is fixedly connected with a screw rod I6, the screw rod I6 is vertically arranged, the top end of the screw rod I6 is axially connected to the supporting frame 1, a nut I7 is in threaded connection with the screw rod I6, a fan 8 is fixedly connected to the side surface of the nut I7, a hose 9 is connected between the fan 8 and the air inlet II4, the hose 9 and the screw rod I6 are arranged in, the cooperation that sets up first motor 5, lead screw I6, nut I7 and fan 8 can realize the inside circulation of gas on a large scale of big-arch shelter when big-arch shelter ventilation, has improved ventilation efficiency.

Further preferably, a cross bar I10 is fixedly connected to the air port I3, a second motor 11 is fixedly connected to the cross bar I10, and a helical blade is fixedly connected to an output shaft of the second motor 11.

Further preferred scheme, heating mechanism includes heater 12, and heater 12 rigid coupling is on the interior side wall of air inlet bin 2, and the rigid coupling has a plurality of heat-conducting plates 13 on heater 12, and a plurality of heat-conducting plates 13 interval is arranged in proper order from top to bottom.

Further preferred scheme, the rigid coupling has diffusion tuyere 14 on 8 air outlets of fan, and diffusion tuyere 14 is prior art, and its structure is no longer described herein.

Further preferred scheme, the outside rigid coupling of air inlet bin 2 has two limit switch 15, and two limit switch 15 and lead screw I6 homonymy, two limit switch 15 symmetry settings from top to bottom, and two limit switch 15 are at the projection of vertical plane and nut I7 at the projection coincidence of vertical plane.

Further preferred scheme, exhaust mechanism includes air outlet 16, and air outlet 16 sets up on support frame 1 top, and the rigid coupling has horizontal pole II18 in the air outlet 16, and the rigid coupling has third motor 17 on horizontal pole II18, and the rigid coupling has helical blade on the third motor 17 output shaft.

The working principle of the agricultural greenhouse ventilation device of the embodiment is as follows: when ventilation and air exchange are carried out in summer, the air outlet 16 at the top end of the support frame 1 is opened, the third motor 17 is started, the third motor 17 drives the helical blades to exhaust air, meanwhile, the second motor 11 at the air inlet I3 is opened, the second motor 11 drives the helical blade to send air into the air inlet bin 2, the first motor 5 is started to drive the screw rod I6 to rotate, the screw rod I6 drives the nut I7 and the fan 8 to move up and down, because the fan 8 is communicated with the air inlet I3 through the hose 9, the air in the air inlet bin 2 can be pumped into the greenhouse to realize ventilation, when the nut I7 touches the upper limit switch 15, the first motor 5 is rotated reversely, and similarly, when the nut I7 touches the lower limit switch 15, the first motor 5 is rotated forwardly, and finally moves up and down through the diffusion air nozzle 14 and the fan 8, so that the circulation of air in a large range in the greenhouse is realized, and the ventilation efficiency is improved; when ventilation and air exchange are carried out in winter, the heater 12 is started on the basis of ventilation and air exchange in summer, cold air entering the air inlet bin 2 is heated through the heating plate 13, the air inlet I3 is arranged at the top end of the air inlet bin 2, and the air inlet II4 is arranged at the bottom end of the air inlet bin 2, so that the air entering the greenhouse through the hose 9 is hot air which is heated from top to bottom, the temperature of the heater 12 and the temperature inside the greenhouse are set to be equal, the temperature of the air entering the greenhouse can be basically consistent with the temperature inside the greenhouse, and the temperature inside the greenhouse can be basically constant during ventilation and air exchange in winter.

Example two

Referring to fig. 2-3, the difference between the agricultural greenhouse ventilation apparatus of the embodiment and the first embodiment is that two rows of air outlets 16 are symmetrically formed in two sides of the top end of the support frame, a V-shaped cover 19 is sleeved on the air outlets 16, and an opening and closing mechanism is detachably connected in the V-shaped cover 19.

Further preferably, the opening and closing mechanism comprises a V-shaped block 20, an L-shaped beam 21 is fixedly connected to the V-shaped block 20, a sliding block 22 is fixedly connected to the end portion of the L-shaped beam 21, the sliding block 22 is sleeved with a sliding rod 23, the sliding rod 23 is horizontally and fixedly connected to the support frame 1, a connecting rod 24 is hinged to the sliding block 22, and a driving mechanism is hinged to the end portion of the connecting rod 24.

Further preferred scheme, actuating mechanism includes nut II25, and nut II25 threaded connection has lead screw II26, and lead screw II26 rigid coupling has fourth motor 27, and fourth motor 27 rigid coupling is on support frame 1, lead screw II26 top with fourth motor 27 output shaft rigid coupling, the connecting rod 24 tip with nut II25 is articulated.

In the embodiment, the top of the support frame 1 is provided with the air outlet opening and closing mechanism, and in the embodiment, the top of the support frame 1 is provided with two rows of air outlets 16 to realize quick air outlet, the air outlet 16 is sleeved with a V-shaped cover 19, the V-shaped block 20 is detachably matched with the V-shaped cover 19, the V-shaped block 20 is fixedly connected with a sliding block 22 through an L-shaped beam 21, the sliding block 22 is connected on a sliding rod 23 in a sliding way, the sliding block 22 is hinged with a connecting rod 24, the end part of the connecting rod 24 is hinged on a nut II25, a nut II25 is in threaded connection with a screw rod II26, the nut II25 is driven to move up and down through the rotation of a fourth motor, thereby realizing the opening and closing of the two V-shaped blocks 20 and the V-shaped cover 19, further realizing the opening and closing of the air outlet 16, moreover, the design of the V-shaped block 20 and the V-shaped cover 19 can realize that the air outlet 16 is completely closed after being closed, no air leakage occurs, the sealing performance of the greenhouse can be ensured after the ventilation and air exchange are finished, and the heat preservation effect is further achieved.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The agricultural greenhouse ventilation device is characterized by comprising a support frame (1), wherein one side of the support frame (1) is fixedly connected with an air inlet bin (2), a heating mechanism is arranged in the air inlet bin (2), an air inlet I (3) is formed in the top end of the air inlet bin (2), an air inlet II (4) is formed in the low end of the air inlet bin (2), a first motor (5) is fixedly connected to the bottom end of the support frame (1), the first motor (5) is fixedly connected to one side of the air inlet bin (2), an output shaft of the first motor (5) is fixedly connected with a lead screw I (6), the lead screw I (6) is vertically arranged, the top end of the lead screw I (6) is axially connected to the support frame (1), a nut I (7) is connected to the lead screw I (6) through threads, a fan (8) is fixedly connected to the side face of the nut I (7), and a hose (9) is connected between the fan, an air exhaust mechanism is arranged at the top end of one side of the support frame (1) far away from the air inlet bin (2).

2. The agricultural greenhouse ventilation device of claim 1, wherein: and a cross rod I (10) is fixedly connected to the air port I (3), a second motor (11) is fixedly connected to the cross rod I (10), and a helical blade is fixedly connected to an output shaft of the second motor (11).

3. The agricultural greenhouse ventilation device of claim 1, wherein: heating mechanism includes heater (12), heater (12) rigid coupling is in on the air inlet storehouse (2) inboard jade, the rigid coupling has a plurality of heat-conducting plate (13), a plurality of on heater (12) heat-conducting plate (13) interval is arranged in proper order from top to bottom.

4. The agricultural greenhouse ventilation device of claim 1, wherein: and a diffusion air nozzle (14) is fixedly connected to an air outlet of the fan (8).

5. The agricultural greenhouse ventilation device of claim 1, wherein: air inlet storehouse (2) outside rigid coupling has two limit switch (15), two limit switch (15) with lead screw I (6) homonymy, two limit switch (15) longitudinal symmetry sets up, two limit switch (15) in the projection of vertical face with nut I (7) in the projection coincidence of vertical face.

6. The agricultural greenhouse ventilation device of claim 1, wherein: exhaust mechanism includes air outlet (16), air outlet (16) are seted up support frame (1) top, the rigid coupling has horizontal pole II (18) in air outlet (16), the rigid coupling has third motor (17) on horizontal pole II (18), the rigid coupling has helical blade on third motor (17) output shaft.

7. The agricultural greenhouse ventilation device of claim 1, wherein: two rows of air outlets (16) are symmetrically formed in two sides of the top end of the support frame, a V-shaped cover (19) is sleeved on the air outlets (16), and an opening and closing mechanism is detachably connected in the V-shaped cover (19).

8. An agricultural greenhouse ventilation unit as claimed in claim 7, wherein: the mechanism that opens and shuts includes V-arrangement piece (20), V-arrangement piece (20) rigid coupling has L shape crossbeam (21), L shape crossbeam (21) tip rigid coupling has slider (22), slider (22) have cup jointed slide bar (23), slide bar (23) horizontal rigid coupling is in on support frame (1), it has connecting rod (24) to articulate on slider (22), connecting rod (24) tip articulates there is actuating mechanism.

9. The agricultural greenhouse ventilation device of claim 8, wherein: actuating mechanism includes nut II (25), nut II (25) threaded connection has lead screw II (26), lead screw II (26) rigid coupling has fourth motor (27), fourth motor (27) rigid coupling is in on support frame (1), lead screw II (26) top with fourth motor (27) output shaft rigid coupling, connecting rod (24) tip with nut II (25) are articulated.