CN210610597U

CN210610597U - Aeroponic cultivation device

Info

Publication number: CN210610597U
Application number: CN201921159734.9U
Authority: CN
Inventors: 李晶; 宁眺; 白雪; 郑吁; 曾彪
Original assignee: Kunming University
Current assignee: Kunming University
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-26
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses an aerial fog cultivation device relates to the plant species and plants the field, include: a cultivation shelf; a cultivation plate which is arranged on the cultivation frame and forms an angle of 30-90 degrees with the ground; a water tank installed at the bottom of the cultivation shelf; and a spray trolley disposed in the water tank; the spraying dolly includes the frame, and the wheel is installed and is stretched into the drinking-water pipe of tank bottom portion in the frame bottom, install on the frame and with the water pump of drinking-water union coupling, the exit linkage of water pump has a plurality of aerial fog pipelines, aerial fog pipe connection has the aerial fog shower nozzle of installing on the frame and towards cultivation board.

Description

Aeroponic cultivation device

Technical Field

The utility model relates to a plant species plants the field, concretely relates to aeroponic cultivation device.

Background

The aerial fog cultivation is a novel cultivation mode, and is a soilless cultivation technology which atomizes nutrient solution into small fog drops by utilizing an atomizing device and directly sprays the small fog drops to a plant root system to provide water and nutrients required by plant growth. Crops are hung in a closed cultivation device (a groove, a box or a bed), the root system is exposed in the cultivation device, and the nutrient solution is atomized by the atomizing device and then sprayed to the surface of the root system, so that the content of nitrate in the cultivated plants is reduced. The method can increase the crop yield by times, is an agricultural high and new technology for cultivating plants without soil or substrates, replaces the soil environment with the artificial creation of the crop root system environment, can effectively solve the contradiction of water, air and nutrient supply which is difficult to solve in the traditional soil cultivation, enables the crop root system to be in the optimum environment condition, thereby exerting the growth potential of the crops and greatly improving the plant growth amount and biomass.

The existing aerial fog cultivation technology is generally realized by laying a pipeline and arranging an atomizing nozzle to spray the root system of crops. When the aerial fog cultivation is used in a large area, a large number of nutrient solution pipelines are required to be paved and a large number of spray nozzles are required to be arranged. When the nutrient solution pipeline breaks down or the spray nozzle is blocked, the maintenance is very difficult. And a part of the nutrient solution sprayed by the spray nozzle cannot be absorbed by plants, and the unabsorbed nutrient solution is difficult to recycle, so that certain waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an aerial fog cultivation device carries out the improvement of nutrient solution to the crop through setting up spraying dolly 3 to reduce the use of pipeline and nozzle, reduce the pipeline jam problem when reaching large tracts of land aerial fog cultivation.

In order to solve the above problem, a first aspect of the present invention provides an aerosol cultivation device, including: a cultivation shelf; a cultivation plate 1 which is arranged on the cultivation frame and forms an angle of 30-90 degrees with the ground; a water tank 2 installed at the bottom of the cultivation shelf; and a spray trolley 3 arranged in the water tank 2; the spraying trolley 3 comprises a frame, wheels 31, a water pumping pipe 32 arranged at the bottom of the frame and extending into the bottom of the water tank 2, and a water pump 33 arranged on the frame and connected with the water pumping pipe 32, wherein an outlet of the water pump 33 is connected with a plurality of aerial fog pipelines 34, and the aerial fog pipelines 34 are connected with aerial fog nozzles 35 arranged on the frame and facing the cultivation plate 1. Wherein the angle of planting board 1 and ground is preferred 45 ~ 65 degrees, and when the angle of planting board 1 and ground is in this scope to the utilization efficiency of planting place the highest, easily spray dolly 3 and carry out the spraying operation moreover. Wherein, the wheels of the water tank 2 and the spray trolley 3 are made of waterproof and salt-resistant materials, in particular to plastic, stainless steel or other materials with waterproof and salt-resistant coatings on the surfaces.

A further technical scheme is that the number of the cultivation plates 1 arranged on the cultivation frame is two, the two cultivation plates 1 are oppositely arranged, and the section of the cultivation frame is trapezoidal; the cultivation plate 1 is provided with planting holes 11.

Further technical proposal is that a track 21 parallel to the cultivation plate 1 is arranged in the water tank 2; the spraying trolley 3 is also provided with a power device and a wireless signal receiver which are connected with the wheels 31.

A further technical proposal is that the device also comprises a filtering device and a nutrient solution storage barrel which is connected with the water tank 2 through an electromagnetic valve; the water tank 2 is provided with a return pipe and a return pump 33 to connect the water tank 2 with the filtering device, and the water outlet of the filtering device is connected with the nutrient solution storage barrel.

A further technical proposal is that a liquid level sensor is arranged in the water tank 2; the device also comprises a control device, and the control device is connected with the electromagnetic valve and the water return pump 33; the control device is also connected with a wireless signal transmitter.

The further technical scheme is that the length of the cultivation frame is 1-30 m. The preferable length of the cultivation frame is 5-25 m, the further preferable length is 10-20 m, and when the length of the cultivation frame is in the range, the advantage of the spraying trolley 3 compared with a spraying pipeline can be embodied.

A further solution is that the return pipe is mounted at the lowest point of the basin 2.

The further technical proposal is that a pH monitoring device electrically connected with the control device is also arranged in the water tank. The stable quality of the nutrient solution can be ensured by monitoring the pH of the nutrient solution in the water tank in real time.

The further technical proposal is that an EC value sensor electrically connected with the control device is also arranged in the water tank. The EC value is the content of soluble salt, which is significant for the growth of plants, and the high concentration of the soluble salt can damage the plants or cause the death of plant roots. In the aerosol culture, the EC value of the nutrient solution changes as the water in the water tank evaporates, so that the provision of the EC value sensor is of great significance. The water tank can also timely adjust the EC value of the nutrient solution in the water tank by connecting a clean water pipe and a clean water pipe electromagnetic valve.

The further technical proposal is that an ultraviolet lamp is also arranged in the cultivation frame. The ultraviolet lamp can prevent the growth of algae in the nutrient solution.

The principle of the utility model is as follows: in use, plants are planted in the planting holes 11 of the planting plate 1 and at an angle to the ground by the support of the planting shelf, so that more plants can be planted in a limited planting field. Pour into the nutrient solution and store the bucket after the required nutrient solution of plant that the configuration was planted, the nutrient solution in the nutrient solution storage bucket flows into basin 2 through the pipeline, and level sensor sends liquid level signal in with basin 2 to controlling means, and controlling means controls the nutrient solution holding capacity in the basin 2 through opening and shutting of solenoid valve. The spraying trolley 3 pumps up the nutrient solution in the water tank 2 through a water pumping pipe 32 which is arranged at the bottom of the frame and extends into the bottom of the water tank 2, and sprays the nutrient solution to the plant root system on the cultivation plate 1 through a spraying nozzle to maintain the growth of the plant. The control device sends the movement and spraying signals to the spraying trolley 3 through the wireless signal transmitter, and the spraying trolley 3 sprays and runs according to the running track 21 in the water tank 2 after receiving the signals through the wireless signal receiver. The spraying trolley 3 moves on the track 21 of the water tank 2 and sprays aerial fog to the root system of the plant on the cultivation plate 1 to satisfy all plants on the whole cultivation shelf.

The above technical scheme of the utility model has following profitable technological effect:

(1) the spray pipeline is not used, so that the maintenance cost is reduced, and the service life is prolonged.

(2) The sprayed nutrient solution can be recycled, and resources and cost are saved.

(3) The spray cart 3 can satisfy the demand of large-area aeroponic cultivation by spraying while moving in the water tank 2.

Drawings

Fig. 1 is a schematic structural view according to embodiment 1 of the present invention;

fig. 2 is a schematic view of a cultivation shelf according to embodiment 1 of the present invention;

fig. 3 is a schematic view of a spray cart according to embodiment 1 of the present invention.

Reference numerals:

1: cultivating a plate; 2: a water tank; 3: a spray trolley; 11: planting holes; 21: a track; 31: a wheel; 32: a water pumping pipe; 33: a water pump; 34: an aerosol conduit; 35: an aerosol spray head.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example 1

As shown in fig. 1 to 3, an aerial fog cultivation device includes: the section of the cultivation frame is in an isosceles trapezoid shape, the internal angle of the bottom surface is 65 degrees, and the length of the cultivation frame is 26 m; the cultivation plate 1 is arranged on two side surfaces of the cultivation frame, and the cultivation plate 1 is provided with planting holes 11; a water tank 2 is arranged on the bottom surface of the cultivation frame, the bottom surface of the water tank 2 has a slope of 1 degree, and a return pipe is arranged at the lowest point of the water tank 2; an ultraviolet lamp is arranged on the top of the cultivation frame, and a pH monitoring device and an EC value sensor which are electrically connected with the control device are also arranged in the water tank. A control device is arranged outside the cultivation frame and is connected with the electromagnetic valve and the water return pump 33; the control device is also connected with a wireless signal transmitter.

A track 21 parallel to the cultivation plate 1 is arranged in the water tank 2; a liquid level sensor connected with the control device is arranged in the water tank 2; be provided with spraying dolly 3 on the track 21 of basin 2, spraying dolly 3 includes the frame, and wheel 31 installs the drinking-water pipe 32 that stretches into the basin 2 bottom in the frame bottom, installs on the frame and with the water pump 33 that drinking-water pipe 32 is connected, and the exit linkage of water pump 33 has a plurality of aerial fog pipelines 34, and aerial fog pipeline 34 is connected with installs on the frame and towards the aerial fog shower nozzle 35 of planting board 1. The spraying trolley 3 is also provided with a power device and a wireless signal receiver which are connected with the wheels 31. The water tank 2 is connected with a filtering device through a return pipe and a return water pump 33, a water outlet of the filtering device is connected with a nutrient solution storage barrel, and the nutrient solution storage barrel is connected with the water tank 2 through an electromagnetic valve. The water tank 2 is also connected with a clean water port, a second electromagnetic valve is installed on the clean water port, the two electromagnetic valves are controlled by a control device, and the control device is also connected with an alarm device.

In the aerosol planting process by using the aerosol cultivation device of the embodiment 1, vegetables are planted in the planting holes 11, when the device is used, the nutrient solution is firstly prepared and poured into the nutrient solution storage barrel, and then the control device and the power supply of the spraying trolley 3 are turned on. After the power of the control device is turned on, the control device controls the electromagnetic valve to be opened so that the nutrient solution in the nutrient solution storage barrel flows into the water tank 2 at the bottom of the cultivation frame. A highest water level and a lowest water level can be set through the control device, when the liquid level sensor monitors that the liquid level in the water tank 2 is lower than the set lowest water level, the control device opens the electromagnetic valve to add nutrient solution into the water tank 2, and when the liquid level sensor monitors that the liquid level in the water tank 2 is higher than the set highest water level, the control device closes the electromagnetic valve. The lowest position of the water pumping pipe 32 of the spraying trolley 3 is lower than the set lowest water level, so that the situation that the water pumping pipe 32 of the spraying trolley 3 cannot pump the nutrient solution in the water tank 2 can be prevented. When the liquid level of the nutrient solution in the water tank 2 reaches a set minimum value, the control device controls the water pump 33 of the spraying trolley 3 through the wireless signal transmitter to suck the nutrient solution from the water tank 2 and spray the nutrient solution through the spraying nozzle, and controls the power device of the spraying trolley 3 to drive the spraying trolley 3 to move along the cultivation frame on the track 21 of the water tank 2.

The pH monitoring device and the EC value sensor can monitor the pH value and the EC value of the nutrient solution in real time and transmit the monitored values to the control device, the standard range of the pH value and the EC value is set in the control device to be compared with the real-time monitored values, when the EC value is too high, the control device adds clean water into the nutrient solution by opening the second electromagnetic valve of the clean water port to reduce the EC value of the nutrient solution, and when the real-time monitored value of the pH value is not in the set standard range, the control device controls the alarm device to give an alarm.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. An aerial fog cultivation device, comprising: a cultivation shelf; a cultivation plate (1) which is arranged on the cultivation frame and forms an angle of 30-90 degrees with the ground; a water tank (2) arranged at the bottom of the cultivation frame; and a spray trolley (3) arranged in the water tank (2); spray dolly (3) include the frame, wheel (31), install the frame bottom stretches into drinking-water pipe (32) of basin (2) bottom, installs on the frame and with water pump (33) that drinking-water pipe (32) are connected, the exit linkage of water pump (33) has a plurality of aerial fog pipelines (34), aerial fog pipeline (34) are connected with the installation on the frame and towards aerial fog shower nozzle (35) of cultivation board (1).

2. Aerial fog cultivation device according to claim 1, characterized in that the cultivation shelf is provided with two cultivation plates (1) and two cultivation plates (1) are oppositely arranged, the cultivation shelf is trapezoidal in cross section; the cultivation plate (1) is provided with planting holes (11).

3. Aeroponic device according to claim 1, characterised in that the trough (2) has a track (21) arranged therein parallel to the cultivation plate (1); the spraying trolley (3) is also provided with a power device and a wireless signal receiver which are connected with the wheels (31).

4. Aerosol cultivation device according to claim 3, characterized in that it further comprises filtering means and a nutrient solution storage tank connected to said tank (2) through a solenoid valve; the water tank (2) is connected with the filtering device through a return pipe and a return water pump (33), and a water outlet of the filtering device is connected with the nutrient solution storage barrel.

5. Aerosol cultivating device according to claim 4, wherein a level sensor is mounted in the water reservoir (2); the water return device also comprises a control device, and the control device is connected with the electromagnetic valve and the water return pump (33); the control device is also connected with a wireless signal transmitter.

6. The aerial fog cultivation device as claimed in claim 1, wherein the cultivation shelf has a length of 1 to 30 m.

7. Aerosol cultivating device according to claim 5, wherein the bottom of the water trough (2) is sloped and the return pipe is mounted at the lowest point of the trough (2).

8. The aerial fog cultivation device of claim 5, wherein the water tank is further provided with a pH monitoring device electrically connected with the control device.

9. The aerial fog cultivation device of claim 5, wherein the water tank is further provided with an EC value sensor electrically connected with the control device.

10. The aerial fog cultivation device of claim 1, wherein an ultraviolet lamp is further installed in the cultivation shelf.