Automatic temperature control ventilating fan for planting greenhouse

Abstract

The utility model provides an automatic temperature control ventilator for a planting greenhouse, and relates to the technical field of greenhouse temperature control ventilation, the automatic temperature control ventilator comprises a greenhouse body, ventilation holes are arranged on two side walls of the greenhouse body and close to the center, and a connecting cavity is arranged inside the inner wall of the top of the greenhouse body and close to the center. And a cylinder is fixed and communicated to the top of the shed body and located at the connecting cavity, a fixing part is fixed in the cylinder, and a driving motor is embedded and fixed in the fixing part. When ventilation is needed, the cover plate is opened, the electric push rod pushes the top cover to rise, the driving motor drives the fan blades to rotate to drive external airflow to enter the connecting cavity, and the two ends of the connecting cavity are communicated with the arc cavity, so that the airflow can be injected into the arc cavity; at the moment, the air flow passes through the heating pipes and is discharged into the greenhouse body from the air outlet holes, the effect of preventing sudden temperature drop in the greenhouse body caused by ventilation can be achieved, and the effect of preventing planted crops from dying due to low temperature can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of greenhouse temperature control and ventilation, in particular to an automatic temperature control and ventilation fan for a planting greenhouse. Background Art

[0002] At present, many crops are planted in agricultural greenhouses due to environmental and geographical reasons. The growth of crops planted in greenhouses has a lot to do with good ventilation and proper water supply. When using a greenhouse, ventilation equipment is needed to ventilate the interior of the greenhouse, so as to better allow the plants inside the greenhouse to grow.

[0003] The existing automatic temperature control ventilation fan in the ventilation greenhouse usually takes away the temperature in the greenhouse during the ventilation process, which will cause the temperature in the greenhouse to drop sharply, thereby causing the death of the plants in the greenhouse. Therefore, an automatic temperature control ventilation fan for a planting greenhouse is needed. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the automatic temperature-controlled ventilation fan of a ventilation greenhouse usually takes away the temperature in the greenhouse during the ventilation process, which will cause the temperature in the greenhouse to drop sharply, thereby leading to the death of plants in the greenhouse, and to propose an automatic temperature-controlled ventilation fan for a planting greenhouse.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic temperature-controlled ventilation fan for a planting greenhouse, comprising a greenhouse body, air holes are opened on both side walls of the greenhouse body and near the center, a connecting cavity is opened inside the top inner wall of the greenhouse body and near the center, a cylinder is fixed and connected to the top of the greenhouse body and located at the connecting cavity, a fixing part is fixed inside the cylinder, a driving motor is embedded and fixed inside the fixing part, a fan blade is fixed to the output end of the driving motor, both ends of the connecting cavity are connected to arc cavities, heating tubes are installed at equal intervals inside the arc cavity and near both ends, and air outlet holes are opened on the bottom inner wall of the arc cavity and near one end.

[0006] Preferably, mesh panels are installed inside the air holes.

[0007] Preferably, cover plates are provided on both side walls of the shed body and located at the air holes, and fixing plates are fixed on both side walls of the shed body and located above and below the air holes, the upper fixing plate is connected to the cover plate pin shaft, and the lower fixing plate is connected to the cover plate snap-on connection.

[0008] Preferably, an electric push rod is embedded and fixed at the top of the fixing member and near both ends, a top cover is fixed at the output end of the electric push rod, and the bottom of the top cover is in close contact with the top of the cylinder.

[0009] Preferably, a door panel is embedded in and pin-connected to one end of the shed body, and the other end of the door panel is snap-connected to the shed body.

[0010] Preferably, a control panel is installed at one end of the shed body, a temperature sensor is fixed to the inner wall of one end of the shed body, and the control panel is electrically connected to the drive motor, the electric push rod and the temperature sensor.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] In the utility model, when ventilation is needed, the cover plate is opened, and the top cover is pushed up by the electric push rod. At this time, the fan blades are driven by the driving motor to rotate to drive the external air flow into the connecting cavity. Since the two ends of the connecting cavity are interconnected with the arc cavity, the air flow will be poured into the arc cavity. At this time, the air flow is discharged into the interior of the shed through the air outlet through the heating pipe, which can prevent the temperature inside the shed from dropping suddenly due to ventilation, thereby preventing the planted crops from dying due to low temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model provides a stereoscopic diagram of the overall structure of an automatic temperature-controlled ventilation fan for a planting greenhouse;

[0014] Figure 2 The utility model provides a cross-sectional view of the overall structure of an automatic temperature-controlled ventilation fan for a planting greenhouse;

[0015] Figure 3 The utility model proposes an overall structural plan of an automatic temperature-controlled ventilation fan for a planting greenhouse;

[0016] Figure 4 The utility model provides a vertical sectional view of the overall structure of an automatic temperature-controlled ventilation fan for a planting greenhouse.

[0017] Legend: 1. Shed body; 2. Air vents; 3. Mesh plate; 4. Cover plate; 5. Fixing plate; 6. Connecting cavity; 7. Cylinder; 8. Fixing piece; 9. Driving motor; 10. Fan blades; 11. Electric push rod; 12. Top cover; 13. Arc cavity; 14. Heating tube; 15. Air vents; 16. Door panel; 17. Control panel; 18. Temperature sensor. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0020] Embodiment 1, as Figure 1-4 As shown, the utility model provides an automatic temperature-controlled ventilation fan for a planting greenhouse, comprising a greenhouse body 1, air vents 2 are provided on both side walls of the greenhouse body 1 and near the center, a connecting cavity 6 is provided inside the top inner wall of the greenhouse body 1 and near the center, a cylinder 7 is fixed and connected to the top of the greenhouse body 1 and located at the connecting cavity 6, a fixing part 8 is fixed inside the cylinder 7, a driving motor 9 is embedded and fixed inside the fixing part 8, a fan blade 10 is fixed to the output end of the driving motor 9, both ends of the connecting cavity 6 are connected to an arc cavity 13, heating tubes 14 are installed at equal intervals inside the arc cavity 13 and near both ends, and air outlet holes 15 are provided on the bottom inner wall of the arc cavity 13 and near one end.

[0021] The effect achieved by the entire embodiment 1 is that air holes 2 are opened through the two side walls of the shed body 1 and near the center, which can achieve the effect of ventilation; a connecting cavity 6 is opened through the inner wall of the top of the shed body 1 and near the center; a cylinder 7 is fixed and connected to the top of the shed body 1 and located at the connecting cavity 6, a fixing part 8 is fixed inside the cylinder 7, a driving motor 9 is embedded and fixed inside the fixing part 8, and a fan blade 10 is fixed at the output end of the driving motor 9, which can achieve the effect of the driving motor 9 driving the fan blade 10 to rotate, and the rotation of the fan blade 10 drives the external air flow to enter the connecting cavity 6; arc cavities 13 are connected through both ends of the connecting cavity 6, and heating tubes 14 are installed at equal intervals inside and near both ends of the arc cavity 13, which can achieve the effect of heating the air flow entering the arc cavity 13; air outlet holes 15 are opened through the bottom inner wall of the arc cavity 13 and near one end, which can achieve the effect of allowing the heated air flow to enter the interior of the shed body 1.

[0022] Embodiment 2, as Figure 1-4 As shown, mesh plates 3 are installed inside the air holes 2; cover plates 4 are provided on both side walls of the shed body 1 and located at the air holes 2, and fixing plates 5 are fixed on both side walls of the shed body 1 and located above and below the air holes 2, the upper fixing plate 5 is pin-connected with the cover plate 4, and the lower fixing plate 5 is snap-connected with the cover plate 4; an electric push rod 11 is embedded and fixed at the top of the fixing member 8 and near both ends, a top cover 12 is fixed at the output end of the electric push rod 11, and the bottom of the top cover 12 is tightly attached to the top of the cylinder 7; a door panel 16 is embedded and pin-connected at one end of the shed body 1, and the other end of the door panel 16 is snap-connected with the shed body 1; a control panel 17 is installed at one end of the shed body 1, a temperature sensor 18 is fixed to the inner wall of one end of the shed body 1, and the control panel 17 is electrically connected to the drive motor 9, the electric push rod 11 and the temperature sensor 18.

[0023] The effect achieved by the entire embodiment 2 is that the mesh plates 3 are installed inside the air holes 2, which can prevent foreign objects from entering the interior of the shed body 1; a cover plate 4 is provided through the two side walls of the shed body 1 and located at the air holes 2, and a fixing plate 5 is fixed to the two side walls of the shed body 1 and located above and below the air holes 2. The upper fixing plate 5 is connected to the cover plate 4 with a pin shaft, and the lower fixing plate 5 is connected to the cover plate 4 with a snap-on connection, which can facilitate the opening and closing of the cover plate 4; an electric push rod 11 is embedded and fixed through the top of the fixing member 8 and near both ends, and a top cover 12 is fixed to the output end of the electric push rod 11, and the bottom of the top cover 12 is connected to the cylinder 7 The top of the shed body 1 is tightly attached, so that the electric push rod 11 can push the top cover 12 to rise, and at the same time, it can prevent rainwater from entering the connecting cavity 6; a door panel 16 is embedded and pin-connected through one end of the shed body 1, and the other end of the door panel 16 is snap-connected with the shed body 1, which can snap the door panel 16; a control panel 17 is installed at one end of the shed body 1, and a temperature sensor 18 is fixed to the inner wall of one end of the shed body 1, which can control the internal temperature of the shed body 1, and the control panel 17 is electrically connected with the drive motor 9, the electric push rod 11 and the temperature sensor 18, so that the control panel 17 can control the device.

[0024] Working principle: when ventilation is needed, the cover plate 4 is opened, and the control panel 17 is used to control the electric push rod 11 to push the top cover 12 to rise. At this time, the control panel 17 is used to control the drive motor 9 to drive the fan blades 10 to rotate and drive the external airflow to enter the connecting chamber 6. Since the two ends of the connecting chamber 6 are interconnected with the arc chamber 13, the airflow will be poured into the arc chamber 13. At this time, the airflow passes through the heating tube 14 and is discharged into the shed body 1 from the air outlet 15, which can prevent the temperature inside the shed body 1 from dropping suddenly due to ventilation, thereby preventing the planted crops from dying due to low temperature. At this time, when the ventilation is completed, the cover plate 4 is covered, and the control panel 17 is used to control the electric push rod 11 to drive the top cover 12 to descend to seal the top of the cylinder 7.

[0025] The wiring diagram of the drive motor 9, the electric push rod 11, the heating tube 14, the control panel 17 and the temperature sensor 18 in the present invention belongs to the common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use. Therefore, the control method and wiring arrangement of the drive motor 9, the electric push rod 11, the heating tube 14, the control panel 17 and the temperature sensor 18 are no longer explained in detail.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An automatic temperature-controlled ventilation fan for a planting greenhouse, comprising a greenhouse body (1), characterized in that: Air holes (2) are provided on both side walls of the shed body (1) and near the center thereof; a connecting cavity (6) is provided inside the inner wall of the top of the shed body (1) and near the center thereof; a cylinder (7) is fixed and connected to the top of the shed body (1) and located at the connecting cavity (6); a fixing member (8) is fixed inside the cylinder (7); a driving motor (9) is embedded and fixed inside the fixing member (8); a fan blade (10) is fixed to the output end of the driving motor (9); both ends of the connecting cavity (6) are connected to an arc cavity (13); heating tubes (14) are installed at equal intervals inside and near both ends of the arc cavity (13); and air outlet holes (15) are provided on the inner wall of the bottom of the arc cavity (13) and near one end thereof.

2. The automatic temperature control ventilation fan for a planting greenhouse according to claim 1, characterized in that: A mesh plate (3) is installed inside each of the air holes (2).

3. The automatic temperature control ventilation fan for a planting greenhouse according to claim 1, characterized in that: Cover plates (4) are provided on both side walls of the shed body (1) and located at the air vent (2); fixing plates (5) are fixed on both side walls of the shed body (1) and located above and below the air vent (2); the upper fixing plate (5) is pin-connected to the cover plate (4), and the lower fixing plate (5) is snap-connected to the cover plate (4).

4. The automatic temperature-controlled ventilating fan for a planting greenhouse according to claim 1, characterized in that: An electric push rod (11) is embedded and fixed at the top of the fixing member (8) and near both ends. A top cover (12) is fixed to the output end of the electric push rod (11). The bottom of the top cover (12) is in close contact with the top of the cylinder (7).

5. The automatic temperature-controlled ventilating fan for a planting greenhouse according to claim 1, characterized in that: One end of the shed body (1) is embedded in and pin-connected with a door panel (16), and the other end of the door panel (16) is snap-connected to the shed body (1).

6. The automatic temperature-controlled ventilating fan for a planting greenhouse according to claim 4, characterized in that: A control panel (17) is installed at one end of the shed body (1), a temperature sensor (18) is fixed to the inner wall of one end of the shed body (1), and the control panel (17) is electrically connected to the drive motor (9), the electric push rod (11) and the temperature sensor (18).

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