Greenhouse ventilation device

Abstract

The utility model discloses a greenhouse ventilation device which comprises an air inlet pipe and an air outlet pipe, an air conveying pipe is arranged at the air inlet end of the air inlet pipe, an air exhaust pipe is arranged at the output end of the air outlet pipe, heat exchange pipes are arranged on the air conveying pipe and the air exhaust pipe, the two sets of heat exchange pipes are spirally wound together, and a heat exchange box covers the two sets of heat exchange pipes. A draught fan is arranged on the air inlet pipe, an exhaust fan is arranged on the air outlet pipe, flow guide frames are arranged on the inner side of the air inlet pipe and the inner side of the air outlet pipe, flow guide blades are rotationally installed at the inner ends of the flow guide frames through bearings, synchronous rotation driving structures are arranged in cooperation with the flow guide blades, and damping net plates are arranged on the outer sides of the flow guide blades. According to the greenhouse ventilation device, the temperature control effect during ventilation of the greenhouse can be improved, energy utilization of heat in the greenhouse is improved, and meanwhile ventilation uniformity can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a greenhouse ventilation device. BACKGROUND

[0002] A greenhouse is a controlled agricultural facility that creates an environment suitable for plant growth through transparent covering materials such as plastic film or glass. It can regulate temperature, humidity, light, and ventilation conditions to provide a stable growing environment throughout the year, extend the growing season, improve yield and quality, reduce disease and pest damage, and reduce the impact of adverse weather, achieving efficient and sustainable agricultural production.

[0003] In order to regulate the internal temperature and humidity, exhaust harmful gases, supplement fresh air, ensure that plants get enough carbon dioxide, promote photosynthesis, reduce the occurrence of disease and pests, and maintain a suitable growing environment, a greenhouse needs to be ventilated.

[0004] The traditional greenhouse ventilation method is to directly deliver external air to the interior of the greenhouse through a fan. Sometimes, the temperature difference between the external air and the air inside the greenhouse is large, making it difficult to maintain a constant temperature environment in the greenhouse, resulting in more energy consumption to balance the temperature difference.

[0005] In addition, the existing greenhouse ventilation mostly directly connects the ventilation pipe with the internal space of the greenhouse, resulting in limited air intake interval of the greenhouse, affecting the uniformity and sufficiency of air flow circulation in the greenhouse. TECHNICAL CONTENT

[0006] (I) Technical problems solved

[0007] In view of the problems existing in the prior art, the utility model provides a greenhouse ventilation device to solve the technical problems of poor ventilation uniformity and large temperature difference between the input air flow and the original air flow in the greenhouse mentioned in the background art.

[0008] (II) Technical solutions

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0010] The utility model provides a greenhouse ventilation device, including air inlet pipe and air outlet pipe, the air inlet pipe's air inlet end is provided with the air conveying pipe, the air outlet pipe's output is provided with the air exhaust pipe, is provided with the heat exchange pipe on air conveying pipe and air exhaust pipe, two groups heat exchange pipe are spirally wound together, and the outside cover is equipped with heat exchange box, is provided with air conveying fan on air inlet pipe, is provided with air exhaust fan on air outlet pipe, the inside of air inlet pipe and air outlet pipe all is provided with the flow guide frame, the inner end part of flow guide frame all is rotatably installed with the flow guide vane through bearing, and is equipped with synchronous rotation drive structure with flow guide vane, the outside of flow guide vane is provided with the damping net board, the outside of damping net board is provided with the protective net board.

[0011] The utility model further sets up, still include the wind scooper, the wind scooper sets up in the one end of air inlet pipe and air outlet pipe connection greenhouse, through the setting of wind scooper can realize the stable connection of air inlet pipe and greenhouse ventilation port.

[0012] The utility model further sets up, be provided with first fixed ear on the wind scooper, be provided with first fixed hole on first fixed ear, pass through first fixed hole with the outside connection of greenhouse ventilation port to bolt piece, thereby realizes the installation of wind scooper at greenhouse ventilation port.

[0013] The utility model further sets up, be provided with second fixed ear on the flow guide frame, be provided with second fixed hole on second fixed ear, pass through second fixed hole with the connection between greenhouse to bolt piece, thereby can realize the stable installation of flow guide frame at greenhouse ventilation port, wherein flow guide frame and wind scooper can be connected and sealed through sealing washer structure when installing, this is prior art known technology, the utility model does not make superfluous words.

[0014] The utility model further sets up, be provided with installation shaft on the flow guide vane and install on the flow guide frame through the cooperation of installation shaft and bearing, synchronous rotation drive structure includes drive motor, drive motor is transmission connection with one installation shaft, is provided with synchronous belt drive structure between adjacent two installation shafts, starts drive motor, can control installation shaft to drive flow guide vane to rotate through the cooperation of drive motor and synchronous belt drive structure, realizes the flow guiding when ventilating, makes the ventilation of greenhouse interior more uniform.

[0015] The utility model further sets up, the heat exchange box includes the box, be provided with first heat preservation layer on the outside of box, strengthens the heat preservation and heat insulation effect of heat exchange box.

[0016] The utility model further sets up, the part that the air conveying pipe is located heat exchange box outside and is connected with air inlet pipe and the part that the air exhaust pipe is located heat exchange box outside and is connected with air outlet pipe all are provided with second heat preservation layer, strengthens the temperature locking effect of air conveying pipe and air pipe.

[0017] The present invention is further configured such that both the first insulation layer and the second insulation layer include an insulation cotton layer, and an insulation board layer is provided on the outer side of the first insulation layer and the second insulation cotton layer. The combination of the insulation cotton layer and the insulation board layer can improve the heat insulation effect of the heat exchange box, the air duct and the exhaust duct during the ventilation process, thereby improving the heat source utilization of the airflow during the circulation process.

[0018] (III) Beneficial Effects

[0019] Compared with the prior art, this utility model provides a greenhouse ventilation device with the following features:

[0020] Beneficial effects:

[0021] 1. This utility model, by setting up a heat exchange box and installing heat exchange tubes on both the air supply pipe connected to the air inlet pipe and the air outlet pipe connected to the air outlet pipe, forms a spiral coil between the two sets of heat exchange tubes. This allows the air entering the greenhouse to exchange heat with the air exiting the greenhouse through the heat exchange tubes within the heat exchange box before the airflow is driven into the air supply pipe by the air supply fan, and before the air from the greenhouse is discharged through the air outlet pipe and the air outlet pipe by the exhaust fan. This process brings the airflow into the greenhouse closer to the original temperature of the greenhouse, effectively utilizing the existing heat within the greenhouse. The spiral coiling of the two sets of heat exchange tubes improves the airflow path and circulation within the heat exchange box, extends the heat exchange time, and enhances the sufficiency of heat exchange between the two airflows.

[0022] 2. This utility model sets up an air inlet pipe and an air outlet pipe, and sets up a wind guide hood at the end of the air inlet pipe and the air outlet pipe that connects to the greenhouse. In this way, the wind guide hood can be installed at the ventilation opening of the greenhouse, so that the air inlet pipe and the air outlet pipe are on opposite sides, thereby actively driving the air intake and exhaust in the greenhouse and improving the ventilation effect in the greenhouse.

[0023] 3、The utility model also is provided with the flow guide frame, wherein the flow guide frame can be installed at the ventilation opening inside the greenhouse through the cooperation of the second fixed lug and the external bolt piece, in the ventilation process, the driving motor is started, the cooperation of the driving motor and the synchronous belt transmission structure can control the installation shaft to drive the flow guide vane to rotate, the flow angle of the air inflow and outflow can be adjusted through the rotation of the flow guide vane, so that the air flow in the greenhouse can circulate more uniformly, improve the ventilation effect of the greenhouse, simultaneously, the utility model discloses a mutually matched damping net board and protective net board are provided with outside the flow guide vane, in this way, the air flow passes through the protective net board and the damping net board in turn when circulating, the air flow can be segmented through the protective net board and the damping net board, so that the air flow into the greenhouse is more delicate, and the erosion caused by the large air flow impact force is avoided.

[0024] 4、The utility model discloses can improve the temperature control effect when the greenhouse ventilation, and improve the energy utilization of the heat in the greenhouse, simultaneously, can improve the ventilation high uniformity. ACCURACY

[0025] Figure 1 It is the whole structure schematic of greenhouse ventilation device in the utility model Figure 1 ;

[0026] Figure 2 It is the cooperation structure schematic between two groups of heat exchange pipes in the utility model;

[0027] Figure 3 It is the structure schematic under the separation state between two groups of heat exchange pipes in the utility model;

[0028] Figure 4 It is the connection structure cross section schematic between the flow guide frame and the flow guide vane in the utility model;

[0029] Figure 5 It is the heat exchange box internal structure cross section schematic in the utility model;

[0030] Figure 6 It is the local connection structure cross section schematic between the air conveying pipe or the air exhaust pipe and the second heat preservation layer in the utility model.

[0031] In the drawing: 1, air inlet pipe;2, air outlet pipe;3, air conveying pipe;4, air exhaust pipe;5, heat exchange pipe;6, heat exchange box;7, air conveying machine;8, air exhaust machine;9, flow guide frame;10, flow guide vane;11, damping net board;12, protective net board;13, air deflector;14, first fixed lug;15, first fixed hole;16, second fixed lug;17, second fixed hole;18, installation shaft;19, driving motor;20, synchronous belt transmission structure;21, box;22, first heat preservation layer;23, second heat preservation layer;24, heat preservation cotton layer;25, heat preservation board layer. DETAILED DESCRIPTION

[0032] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0033] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0034] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0035] Please refer to Figures 1-6 A greenhouse ventilation device, comprising an air inlet pipe 1 and an air outlet pipe 2, the air inlet pipe 1 is provided with an air supply pipe 3 at the air inlet end, the air outlet pipe 2 is provided with an air exhaust pipe 4 at the output end, the air supply pipe 3 and the air exhaust pipe 4 are provided with heat exchange pipes 5, the two groups of heat exchange pipes 5 are spirally wound together, and the outside is covered with a heat exchange box 6, the air inlet pipe 1 is provided with an air supply fan 7, the air outlet pipe 2 is provided with an air exhaust fan 8, the inner sides of the air inlet pipe 1 and the air outlet pipe 2 are both provided with a flow guide frame 9, the inner ends of the flow guide frame 9 are both rotatably installed with flow guide vanes 10 through bearings, and are provided with a synchronous rotation driving structure in cooperation with the flow guide vanes 10, the outer side of the flow guide vane 10 is provided with a damping mesh plate 11, and the outer side of the damping mesh plate 11 is provided with a protective mesh plate 12.

[0036] Please refer to Figures 1-6 As an embodiment of the greenhouse ventilation device: it further comprises a wind guide cover 13, which is arranged at one end of the air inlet pipe 1 and the air outlet pipe 2 connecting the greenhouse, and the stable connection of the air inlet pipe 1 and the ventilation opening of the greenhouse can be realized through the arrangement of the wind guide cover 13.

[0037] Please refer to Figures 1-6 As an embodiment of the wind guide cover 13: the wind guide cover 13 is provided with a first fixing ear 14, the first fixing ear 14 is provided with a first fixing hole 15, the bolt is passed through the first fixing hole 15, and is connected with the outside of the ventilation opening of the greenhouse, so as to realize the installation of the wind guide cover 13 at the ventilation opening of the greenhouse.

[0038] Please refer to Figures 1-6As an embodiment of the guide frame 9, the second fixing lug 16 is arranged on the guide frame 9, the second fixing hole 17 is arranged on the second fixing lug 16, and the bolt is connected between the second fixing hole 17 and the greenhouse, so that the stable installation of the guide frame 9 at the ventilation opening of the greenhouse can be realized, wherein the guide frame 9 and the air deflector 13 can be connected and sealed by the sealing pad structure during installation, which is a known technology and will not be described herein.

[0039] Please refer to Figures 1-6 As an embodiment of the synchronous rotation driving structure, the mounting shaft 18 is arranged on the guide vane 10, and the mounting shaft 18 is mounted on the guide frame 9 through the cooperation of the bearing, the synchronous rotation driving structure includes the driving motor 19, the driving motor 19 is in transmission connection with one of the mounting shafts 18, the synchronous belt transmission structure 20 is arranged between the adjacent two mounting shafts 18, the driving motor 19 is started, and the mounting shaft 18 drives the guide vane 10 to rotate through the cooperation of the driving motor 19 and the synchronous belt transmission structure 20, so that the air flow during ventilation is guided, and the ventilation of the greenhouse is more uniform.

[0040] Please refer to Figures 1-6 As an embodiment of the heat exchange box 6, the heat exchange box 6 includes the box body 21, and the first heat preservation layer 22 is arranged on the outer side of the box body 21, so as to enhance the heat preservation and insulation effect of the heat exchange box 6.

[0041] Further, the part of the air supply pipe 3 located outside the heat exchange box 6 and connected with the air inlet pipe 1 and the part of the air exhaust pipe 4 located outside the heat exchange box 6 and connected with the air outlet pipe 2 are provided with the second heat preservation layer 23, so as to enhance the temperature locking effect of the air supply pipe 3 and the air pipe.

[0042] Please refer to Figures 1-6 As an embodiment of the first heat preservation layer 22 and the second heat preservation layer 23, the first heat preservation layer 22 and the second heat preservation layer 23 both include the heat preservation cotton layer 24, and the outer side of the first heat preservation cotton layer 24 and the second heat preservation cotton layer 24 is provided with the heat preservation plate layer 25, so that the heat preservation and insulation effect of the heat exchange box 6, the air supply pipe 3 and the air exhaust pipe 4 during ventilation can be improved through the cooperation of the heat preservation cotton layer 24 and the heat preservation plate layer 25, so that the heat source utilization of the air flow during flow can be improved.

[0043] In summary:

[0044] The utility model discloses a heat exchange box 6 is set up, and make the air conveying pipe 3 of connecting the air inlet pipe 1 and the exhaust pipe 4 of connecting the air outlet pipe 2 all are provided with heat exchange pipe 5, make the helical shape of two groups of heat exchange pipe 5 between coiling together, so that before the air current from the air conveying pipe 3 enters the air inlet pipe 1 by the drive of air conveying fan 7 and under the action of exhaust fan 8, the gas in the greenhouse inside is discharged through the air outlet pipe 2 and the exhaust pipe 4, the gas in the greenhouse inside exchanges heat with the gas in the greenhouse inside in the heat exchange pipe 5 stage in the heat exchange box 6, so that the air current in the greenhouse is more close to the temperature of the greenhouse original, can effectively utilize the original heat in the greenhouse simultaneously, the helical shape of two groups of heat exchange pipe 5 between coiling together, this can improve the circulation path and market of air current in the heat exchange box 6, prolong the heat exchange time, improve the heat exchange fullness between two air currents,

[0045] The utility model discloses a air inlet pipe 1 and air outlet pipe 2 are set up, and the air inlet pipe 1 and air outlet pipe 2 are connected greenhouse one end all are provided with the air deflector 13, like this, can install the air deflector 13 in the ventilation opening position of greenhouse, make the air inlet pipe 1 and air outlet pipe 2 are in the opposite two sides, can drive the air inlet and air outlet in greenhouse actively, improve the ventilation effect in greenhouse,

[0046] The utility model discloses still be provided with the flow guide frame 9, wherein the flow guide frame 9 can be installed in the ventilation opening of greenhouse inside through the cooperation of second fixed lug 16 and outside bolt piece, in the ventilation process, start drive motor 19, can control the rotation of flow guide vane 10 that installation shaft 18 drives through the cooperation of drive motor 19 and synchronous belt drive structure 20, can adjust the flow angle of the air current of export and import and exhaust through the rotation of flow guide vane 10, so that the air current can be more uniform in the circulation of greenhouse, improve the ventilation effect of greenhouse,

[0047] Meanwhile, the utility model discloses be provided with the mutually cooperate's damping net board 11 and protective net board 12 on the outside of flow guide vane 10, like this, the air current in circulation, in turn pass through protective net board 12 and damping net board 11, can be divided from the air current through protective net board 12 and damping net board 11, so that the air current in greenhouse is more delicate, avoid the erosion caused by the air current impact force is bigger.

[0048] In all the above-mentioned solutions, the connection between the two components can be selected according to actual conditions, such as welding, bolt and nut connection, bolt or screw connection or other known connection modes, which will not be described here. In the above, when referring to the fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and deformations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0049] In all the above-mentioned solutions, when referring to the operation of the electrical element, if no specific description is given, it is controlled by the controller. Since the controller is matched with the commonly used device, its control principle and circuit connection belong to the existing known and mature technology, and the specific circuit structure will not be described here.

[0050] In all the above-mentioned solutions, when referring to the motor, if actually needed, it can be matched with a speed reducer. The connection structure and working principle between the motor and the speed reducer are the existing known technology, and the utility model will not be described here.

[0051] In all the above-mentioned solutions, when referring to the connection between the solar panel and the battery, the necessary accessories such as the inverter, the battery charging controller, the cable, the fuse and the bracket can be matched. The control principle and the circuit connection belong to the existing known and mature technology, and the specific circuit structure will not be described here.

Claims

1. A greenhouse ventilation device, comprising an air inlet pipe (1) and an air outlet pipe (2), characterized in that: The air inlet pipe (1) is provided with an air supply pipe (3) at the air inlet end, and the air outlet pipe (2) is provided with an exhaust pipe (4) at the air outlet end. The air supply pipe (3) and the exhaust pipe (4) are provided with heat exchange pipes (5). The two sets of heat exchange pipes (5) are spirally wound together and covered with a heat exchange box (6). The air inlet pipe (1) is provided with a blower (7), and the air outlet pipe (2) is provided with an exhaust fan (8). The inner sides of the air inlet pipe (1) and the air outlet pipe (2) are provided with guide frames (9). The guide frames (9) are all rotatably mounted with guide vanes (10) through bearings, and are provided with a synchronous rotation drive structure in conjunction with the guide vanes (10). The outer side of the guide vanes (10) is provided with a damping mesh plate (11), and the outer side of the damping mesh plate (11) is provided with a protective mesh plate (12).

2. The greenhouse ventilation device according to claim 1, characterized in that: It also includes an air guide hood (13), which is set at one end of the air inlet pipe (1) and air outlet pipe (2) that connect to the greenhouse.

3. A greenhouse ventilation device according to claim 2, characterized in that: The air guide cover (13) is provided with a first fixing ear (14), and the first fixing ear (14) is provided with a first fixing hole (15).

4. A greenhouse ventilation device according to claim 1, characterized in that: The flow guide (9) is provided with a second fixing ear (16), and the second fixing ear (16) is provided with a second fixing hole (17).

5. A greenhouse ventilation device according to claim 1, characterized in that: Each of the guide vanes (10) is provided with a mounting shaft (18), and is mounted on the guide frame (9) through the cooperation of the mounting shaft (18) and the bearing. The synchronous rotation drive structure includes a drive motor (19), which is connected to one of the mounting shafts (18) for transmission. A synchronous belt drive structure (20) is provided between two adjacent mounting shafts (18).

6. A greenhouse ventilation device according to any one of claims 1-5, characterized in that: The heat exchange box (6) includes a box body (21), and a first insulation layer (22) is provided on the outside of the box body (21).

7. A greenhouse ventilation device according to claim 6, characterized in that: The portion of the air duct (3) located outside the heat exchange box (6) and connected to the air inlet duct (1), and the portion of the air outlet duct (4) located outside the heat exchange box (6) and connected to the air outlet duct (2) are both provided with a second insulation layer (23).

8. A greenhouse ventilation device according to claim 7, characterized in that: Both the first insulation layer (22) and the second insulation layer (23) include an insulation cotton layer (24), and an insulation board layer (25) is provided on the outside of the insulation cotton layer (24).

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