WO2016165397A1 - Oxygen-pumping module and ecological planting box provided with oxygen-pumping module - Google Patents

Abstract

An oxygen-pumping module (50), used for providing oxygen to plant roots immersed in a nutrient solution, the oxygen-pumping module comprising a gas pump (501), a gas-water mixing structure (502), and a gas output channel linking the gas pump (501) and the gas-water mixing structure (502), the gas-water mixing structure (502) comprising a liquid storage area (5022) used for storing the nutrient solution, a gas storage area (5021) positioned at the side of the liquid storage area (5022) and used for storing oxygen gas, and a partitioning rib (5023) used for separating the liquid storage area (5022) and the gas storage area (5021). Also provided is an ecological planting box (100) provided with said oxygen-pumping module (50); when the oxygen-pumping module (50) is in operation, the gas-water mixing structure (502) can fully mix the oxygen gas conveyed by the gas pump (501) and send same to the plant roots immersed in the nutrient solution, thus achieving the objective of replenishing the plant roots with oxygen gas.

Description

Oxygen module and ecological planting box with the oxygen module

The present application claims the priority of the Chinese patent application entitled "Oxygen Module and Eco-Growing Box with the Oxygen Module" on the application date of April 13, 2015, the application number is 201510172739.5, the entire contents of which are incorporated by reference. Combined in this application.

Technical field

The invention relates to an oxygen supply device, in particular to an oxygenation module for supplying oxygen in an ecological planting box and an ecological planting box having the oxygen generating module.

Background technique

As the degree of urbanization expands, the area of arable land is decreasing. The people living in the towns rarely have the opportunity to contact the rural life. In the long run, it is easy to cause an intuitive understanding of the growth process of various vegetables. However, due to the fact that soil cultivation is easy to pollute the surrounding environment and attract insects, these phenomena are directly reduced. Planting experience.

In response to the above problems, a soilless cultivation planting box has appeared on the market, but due to insufficient oxygen in the tank and the roots of the plant extending into the nutrient solution, the plants to be cultivated will die due to insufficient oxygen supply. Most of the existing oxygenating devices directly introduce oxygen into the nutrient solution, but due to insufficient mixing of the oxygen and the nutrient solution, the roots of the plants to be cultivated are likely to rot and die or grow slowly.

In view of the above, it is necessary to provide an improved oxygen generating module and an ecological planting box having the oxygen generating module to solve the above problems.

Summary of the invention

It is an object of the present invention to provide an oxygen generating module capable of sufficiently mixing oxygen with a nutrient solution and an ecological planting box having the oxygen generating module.

The invention provides an oxygen generating module for supplying oxygen to a plant root system immersed in a nutrient solution, wherein the oxygen generating module comprises an air pump, a gas-water mixing structure, and an input connecting the air pump and the gas-water mixed structure. a gas passage, the gas-water mixing structure includes a water storage area for storing nutrient solution, a gas storage area located beside the water storage area for storing oxygen, and separating the water storage area from the gas storage area. The barrier rib, after filling the water storage area with the nutrient solution, the liquid level of the nutrient solution in the water storage area is not higher than the top end of the barrier rib.

As a further improvement of the present invention, the baffle extends upward from the bottom of the gas-water mixing structure to a position near the top of the gas-water mixing structure.

As a further improvement of the present invention, the oxygen generating module further includes a gas pump cover disposed outside the air pump, the gas transmission passage includes an air outlet provided on the air pump cover, and one end is connected to the air outlet. a gas pipe connected at one end to the inside of the gas-water mixing structure, and a sealing device sealingly connecting the gas outlet and the gas pipe.

In order to achieve the above object, the present invention also provides an ecological planting box for planting and cultivating a plant to be cultivated, the ecological planting box having a box body, an cultivating device housed in the box body for cultivating the plant, and a cultivating device The oxygenating module of the inner plant root is supplied with oxygen, and the oxygen generating module comprises an air pump, a gas-water mixing structure, and a gas conveying passage connecting the air pump and the gas-water mixing structure, and the breeding device comprises a liquid storage tray for holding the nutrient solution. The gas-water mixing structure is disposed on the liquid storage tray and connects the liquid storage tray and an air pump to introduce oxygen into the liquid storage tray and mix well with the nutrient solution.

As a further improvement of the present invention, the gas-water mixing structure includes a water storage zone for storing nutrient solution, a gas storage zone located beside the water storage zone for storing oxygen, and located in the water storage zone and A barrier rib between the gas storage zones, the barrier ribs extending upward from a bottom of the gas-water mixing structure to a position near a top of the gas-water mixing structure.

As a further improvement of the present invention, after the nutrient solution is filled into the water storage area, the liquid level of the nutrient solution in the water storage area is not higher than the top end of the barrier rib.

As a further improvement of the present invention, the oxygen generating module further includes a gas pump cover disposed outside the air pump, the gas transmission passage includes an air outlet provided on the air pump cover, and one end is connected to the air outlet. a gas pipe connected at one end to the inside of the gas-water mixing structure, and a sealing device sealingly connecting the gas outlet and the gas pipe.

As a further improvement of the present invention, the casing includes a base for accommodating the liquid storage tray, and two sides of the base are provided with a slide for freely pulling the liquid storage tray, and when the liquid storage tray is completely accommodated The gas passage is connected to the gas-water mixing structure and the air pump when the liquid storage tray is in the base; when the liquid storage tray is pulled out, the air pump is disconnected from the gas-water mixing structure.

As a further improvement of the present invention, the liquid storage tray comprises a bottom wall, four side walls extending upward from four side edges of the bottom wall, and one of the side walls is recessed with a recess for accommodating the gas-water mixing structure unit.

As a further improvement of the present invention, a water supply pipe connecting the water storage area and the liquid storage tray is further disposed on a side wall of the liquid storage tray, and the oxygen is fully mixed with the nutrient solution in the water storage area. Thereafter, the water storage pipe flows into the liquid storage tray.

The invention has the beneficial effects that the present invention provides an oxygen pumping module with a gas pump and a gas-water mixing structure at the bottom of the tank of the ecological planting box, and when the oxygenating module is in operation, the air pump is mixed with the gas-water mixture. The gas storage zone is filled with oxygen. At this time, the nutrient solution in the water storage zone of the gas-water mixing structure does not flow into the gas storage zone due to the barrier of the gas-water mixing structure. The top end of the barrier rib and the top of the gas-water mixing structure enter the water storage zone and are sufficiently mixed with the nutrient solution in the water storage zone to flow into the liquid storage tray, thereby achieving immersion into the nutrient solution. The roots of the plant are supplemented with oxygen for the purpose.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of an ecological planting box of the present invention.

Figure 2 is another perspective view of the eco-planting box of Figure 1.

Figure 3 is an exploded view of the ecological planting box of Figure 1.

Figure 4 is another perspective exploded view of the eco-planting box of Figure 3.

Figure 5 is a perspective view of the fan of Figure 4.

Figure 6 is a partially exploded view of the liquid storage tray and oxygen module of Figure 3.

Figure 7 is an exploded perspective view of the cultivation plate and the liquid storage tray of Figure 3.

Figure 8 is a perspective view of the liquid storage tray of Figure 7.

Figure 9 is a partial enlarged view of a portion A in Figure 8.

Figure 10 is an exploded perspective view of the covering device and the box of the ecological planting box shown in Figure 1.

Figure 11 is a perspective view of the eco-planting box of Figure 1 with the front wall removed.

Figure 12 is a perspective view of the eco-planting box assembly of the present invention.

Figure 13 is a flow chart of an ecological plant cultivation method for plant cultivation using an ecological planting box.

detailed description

The present invention will be described in detail below with reference to the drawings and specific embodiments.

As shown in FIGS. 1 to 4 and 12, the eco-planting box 100 of the present invention is used for soilless cultivation plants. The ecological planting box 100 includes a box body 10, a cultivating device 70 housed in the box body 10, a light module 20 for providing a light source for plant growth, a ventilation module for maintaining air circulation in the ecological planting box 100, and real-time A water level monitoring device 40 for monitoring the water level of the nutrient solution, an oxygen generating module 50 for supplying oxygen to the nutrient solution, and an electronic control unit for electrically controlling the ecological planting box 100.

The case 10 includes a base 106, a support wall on both sides of the base 106, a front wall 101 and a rear wall 102 connecting the two support walls, and a cover device 105 covering the top of the case 10, The covering device 105, the front wall 101, the rear wall 102, the two supporting walls and the base 106 are collectively arranged to form a cultivation space.

The bottom end of the base 106 is provided with a downwardly protruding projection 80, and the top of the covering device 105 is provided with a downwardly recessed groove portion 90, so that when a plurality of ecological planting boxes 100 are placed up and down The plurality of ecological planting boxes 100 can be stacked up and down to form an ecological planting box assembly 200 by the protrusions 80 of the ecological planting box 100 located at the upper portion and the groove portions 90 of the ecological planting box 100 located at the lower portion. . The protrusion 80 includes at least two protruding strips 801 disposed diagonally, and the protruding strips 801 are generally L-shaped. In the present embodiment, the number of the protruding strips 801 is four. In another embodiment, the protrusion 80 is disposed around the bottom end of the base 106. Annular projection strip 801. When the plurality of ecological planting boxes 100 are arranged up and down, the protruding strips 801 and the grooved portions 90 are engaged with each other, thereby reducing the storage space of the plurality of ecological planting boxes 100, and the ecological planting box assembly 200 is also Can cultivate a variety of plants to improve the user's planting experience and visual effects.

The support wall includes a left support wall 103 and a right support wall 104. The bottom ends of the left support wall 103 and the right support wall 104 are fixedly fixed on the base 106. The side edges of the left support wall 103 and the right support wall 104 are respectively provided with a buckle fixing structure 107, and the buckle fixing structure 107 includes a cylinder disposed on the front wall 101 and the rear wall 102 and is disposed at the The latching cavity 1072 on the left support wall 103 and the right support wall 104 is described. The front wall 101 and the rear wall 102 may be assembled and fixed to the left support wall 103 and the right support wall 104 by the snap fixing structure 107.

At least one of the front wall 101, the rear wall 102, the left support wall 103, and the right support wall 104 is a red and blue light-transferable glass that can filter blue and red light in natural light and convert other color lights into plants. . Preferably, the front wall 101 is a transparent light-transmissive glass, but is not limited to the front wall 101.

As shown in FIGS. 7 to 9, the cultivating device 70 is housed in the cultivating space and placed on the base 106. The cultivating device 70 includes a liquid storage tray 701 placed on the base 106 for holding nutrient solution, a first cultivating plate 702 located above the liquid storage tray 701 for cultivating plants, and sandwiched between the liquid storage trays a second incubator 703 between the 701 and the first incubator 702, the first incubator 702 is used to place plant seeds and the plant seeds are cultivated into seedlings, and the second incubator 703 is used for seedling growth . The liquid storage tray 701 includes a bottom wall 7011 and four side walls 7012 extending upward from four side edges of the bottom wall 7011. One of the side walls 7012 is recessed with a recess 7013. A slide 1061 for freely drawing the liquid storage tray 701 is disposed on both sides of the base 106. The liquid storage tray 701 is received in the base 106 in a drawer shape and can be inside the base 106. The slide 1061 is pushed in and out horizontally.

The first incubator plate 702 is provided with two handles 7024 that can be grasped by hand to take out the first incubator plate 702. The first cultivating plate 702 is further provided with a plurality of through holes 7021, and a through hole (not shown) for placing plant seeds is disposed in the through hole 7021. One end of the sponge A concave groove is provided, and the other end protrudes into the nutrient solution of the liquid storage tray 701, and plant seeds are placed in the groove to absorb the required moisture through the sponge body. A growth cap 7023 for blocking the through hole 7021 may be placed on the through hole 7021 to block the through hole 7021 in which no plant seeds are placed, thereby reducing evaporation of the nutrient solution.

The second cultivating plate 703 is provided with a plurality of fixing holes 7031. The plant seedlings are fixed in the fixing holes 7031 and the roots are inserted into the nutrient solution, thereby absorbing the components of the nutrient solution to meet the growth requirements.

As shown in FIG. 10 and FIG. 11 , the illumination module 20 is disposed in the cover device 105 and includes four illumination lamps 201 uniformly distributed in the cover device 105 and capable of emitting a wavelength of approximately sunlight. Below the illumination lamp 201, a light guide plate 202 for uniformly diverging the light source of the illumination lamp 201 and a controller 203 provided on the cover device 105 for controlling the intensity of the light source of the illumination lamp 201 are provided. The electronic control component is configured to control the opening, closing, and opening time of the illumination module 20.

As shown in FIG. 3 to FIG. 5, the ventilation module is disposed on the two supporting walls, and includes an air inlet 301 formed on the left supporting wall 103, an air outlet 302 opened on the right supporting wall 104, and close to A fan 3022 disposed in the air outlet 302, the air inlet 301 and the air outlet 302 are disposed diagonally in the space of the casing 10. Preferably, the air inlet 301 is disposed adjacent to the base 106, and the air outlet 302 is disposed adjacent to the covering device 105. The inner side of the right supporting wall 104 is further provided with a fixing member 3021 for limiting the fan 3022. The fan 3022 is fixed on the right supporting wall 104 and is limited to the fixing member 3021 and the right supporting member. Between the walls 104. When the fan 3022 is in operation, the air in the ecological planting box 100 can be continuously discharged to the outside of the box 10, so that a negative pressure is formed in the ecological planting box 100, and external air can pass through the air inlet 301. Into the ecological planting box 100, the circulation of air in the tank 10 is continuously circulated to meet the demand for carbon dioxide during photosynthesis of plants in the ecological planting box 100. The electronic control component is used to control opening and closing of the ventilation module.

As shown in FIG. 3, the water level monitoring device 40 is disposed in a semi-closed tube cavity 401, and the tube cavity 401 is disposed in one of the corners of the liquid storage tray 701 near the side of the front wall 101. At the office. The water level monitoring device 40 is made of a lightweight material having a density lower than that of the nutrient solution, and the water level monitoring device 40 is provided with a water level tick mark, which is red, blue and green from top to bottom. The user can judge the water level of the nutrient solution in the liquid storage tray 701 by the water level calibration line leaked by the water level monitoring device 40. When there is no nutrient solution in the liquid storage tray 701, the water level monitoring device 40 is in contact with the bottom of the liquid storage tray 701, and only the red water level mark line of the water level monitoring device 40 can be seen from the outside. Explain that the nutrient solution has been used up and needs to be added. After the nutrient solution is added, the water level monitoring device 40 rises under the buoyancy of the nutrient solution, and slowly leaks out the blue water level mark line until the green water level mark line is leaked, which indicates that the nutrient solution in the liquid storage tray 701 has been filled up. In this embodiment, the water level monitoring device 40 is a water level buoy.

As shown in FIG. 6 and FIG. 7, the oxygen generating module 50 includes an air pump 501 fixed on the base 106, and is disposed on the liquid storage tray 701 to introduce oxygen into the liquid storage tray 701 and the nutrient solution. a fully mixed gas-water mixing structure 502 and a gas passage connecting the gas pump 501 and the gas-water mixing structure 502, and when the liquid storage tray 701 is completely housed in the base 106, the gas passage The air pump 501 and the gas-water mixing structure 502 are connected, and the air pump 501 is disconnected from the gas-water mixing structure 502 when the liquid storage tray 701 is pulled out.

The oxygen generating module 50 further includes an air pump cover 504 disposed outside the air pump 501, and the air flow passage includes an air outlet opened on the air pump cover 504 and an air flow disposed on the gas-water mixing structure. A gas pipe 5032, the gas pipe 5032 protrudes into the gas outlet to introduce oxygen into the gas-water mixing structure 502. One end of the gas pipe 5032 is connected to the gas outlet, and the other end is connected to the inside of the gas-water mixing structure 502. The oxygen generating module 50 further includes a sealing device 5024 sealingly connecting the air outlet and the air pipe 5032, and the sealing device 5024 is configured to seal the air outlet and the air pipe 5032 to avoid the air pump 501. Air is leaked when oxygen is introduced into the gas-water mixing structure 502. In the present embodiment, the sealing device 5024 is a circular plastic piece.

The gas-water mixing structure 502 is received in the recessed portion 7013, and includes a gas storage region 5021 for storing oxygen, and a water storage region 5022 located at a side of the gas storage region 5021 for storing nutrient solution. Between the water storage area 5022 and the gas storage area 5021 and partially spaced apart from the water storage area 5022 and the gas storage area A barrier rib 5023 of the 5021 and a cover 5026 disposed at the top of the gas-water mixing structure 502. The gas pipe 5032 protrudes from the gas storage zone 5021 and extends to communicate with the gas outlet. The barrier rib 5023 extends upward from the bottom of the gas-water mixing structure 502 and extends to a position near the top of the gas-water mixing structure 502, and there is no block at the top of the gas-water mixing structure 502, thereby The oxygen can be sufficiently mixed with the nutrient solution while preventing the nutrient solution from leaking from the air outlet of the air pump cover 504 when the air pump 501 is not in operation. When the nutrient solution in the water storage area 5022 is full, the liquid level of the nutrient solution does not exceed the height of the barrier rib 5023, and thus the nutrient solution does not flow into the gas storage area 5021; When the air pump 501 is in operation, the oxygen in the gas storage zone 5021 enters the water storage zone 5022 through the opening at the top of the gas-water mixing structure 502 to mix with the nutrient solution, so as to supplement the oxygen to the nutrient solution.

The side wall 7012 of the liquid storage tray 701 is further provided with a water supply pipe 5025 that communicates with the water storage area 5022 and the liquid storage tray 701, and the oxygen is fully mixed with the nutrient solution in the water storage area 5022. The water pipe 5025 flows into the liquid storage tray 701. The cover 5026 is of a removable type. When the cover 5026 is removed, the nozzle clogging state of the water pipe 5025 and the gas pipe 5032 can be observed, and the gas-water mixing structure 502 can also be cleaned.

When the oxygen generating module 50 is in operation, the air pump 501 introduces oxygen into the gas storage area 5021. At this time, the nutrient solution in the water storage area 5022 does not flow into the reservoir due to the barrier of the barrier rib 5023. In the gas zone 5021, oxygen is introduced into the water storage zone 5022 from the top end of the barrier rib 5023 and the top of the gas-water mixing structure 502 and is thoroughly mixed with the nutrient solution in the water storage zone 5022. Finally, the water pipe 5021 flows into the liquid storage tray 701 to achieve the purpose of supplementing the roots of the plant immersed in the nutrient solution with oxygen.

As shown in FIG. 10 and FIG. 11, the electronic control unit includes a sensor 602 disposed in the casing 10 for detecting temperature, humidity, and illumination intensity in the casing 10, and detected according to the sensor 602. The data controls the control circuit of the illumination module 20, the ventilation module, the water level monitoring device 40, and the oxygenation module 50.

The box 10 is further provided with a device for controlling and displaying the temperature and the humidity in the ecological planting box 100. A control panel 601 for the degree of nutrient solution water level and/or illumination, the control panel 601 being disposed on the front side of the cover device 105 and connected to the electronic control assembly. The control panel 601 includes a display screen 6011 for displaying parameters such as plant growth time, temperature, humidity, and nutrient solution water level in the eco-planting box 100, and a window 3022 for controlling the opening/closing and opening hours of the illumination lamp 201, and the fan 3022. The touch button 6012 that turns on/off and the air pump 501 is turned on/off. The touch button 6012 is connected to the control circuit to selectively control the opening and closing of the illumination module 20, the ventilation module and the oxygen module 50 to implement intelligent control.

The ecological planting box 100 further includes an intelligent module connected to the electronic control component, and the smart module is connected with the mobile phone signal, so that the user can view the growth condition parameters of the plant in the ecological planting box 100 through the mobile phone in real time and adjust according to the growth condition parameter. The operating states of the illumination module 20, the ventilation module, and the oxygen module 50 are controlled. For example, the user can control the turn-on time of the illumination module 20, the on/off of the fan 3022, and the on/off of the air pump 501 through the mobile phone; of course, the smart module can also be connected to other devices capable of issuing control signals ( Such as: remote control), to see the growth of plants in real time.

The eco-planting box 100 further includes a camera module connected to the mobile phone signal, and the camera module photographs the plant in real time and transmits the photo to the mobile phone for the user to detect the growth state of the plant, and at the same time improve the user's experience.

As shown in FIG. 13 , the ecological plant cultivation method for the soilless cultivation plant by using the ecological planting box 100 mainly includes the following steps:

Removing the front wall 101 from the left support wall 103 and the right support wall 104, and pulling the liquid storage tray 701 out of the housing 10;

Selecting a suitable nutrient solution according to the planting species, injecting the liquid storage tray 701 and filling it;

Inserting the sponge into the through hole 7021 of the incubator 702 and immersing the lower end of the sponge into the nutrient solution, and placing the plant seed into the groove of the sponge;

The liquid storage tray 701 is first pushed into the box body 10 and restored to the original position, and the front wall 101 is assembled and fixed on the left support wall 103 and the right support wall 104 and restored to the original position;

The eco planting box 100 is powered on and the plant type button is selected, and the ecological planting box 100 opens a corresponding pre-set incubation program according to the selected plant species;

Planting harvest.

The predetermined incubation procedure is: when the plant seed is in the seedling stage, the illumination module 20, the ventilation module and the oxygen module 50 are not working; when the plant seed completes the seedling and enters the growth stage, the illumination The module 20, the ventilation module, and the oxygen module 50 operate in accordance with a setting procedure. The illumination module 20 provides sufficient light for plant growth for photosynthesis and promotes growth. The intermittent operation of the ventilation module provides carbon dioxide for photosynthesis on plant growth and high concentration of oxygen produced by photosynthesis on the other hand. The oxygenation module 50 is also intermittently operated to ensure that the nutrient solution contains a certain concentration of oxygen to provide sufficient oxygen to the plant roots.

When the plant is in the growth stage, the nutrient solution is continuously consumed. If the nutrient solution is consumed until only the red water level mark line on the water level monitoring device 40 is seen, the electronic control component automatically detects and emits an alarm sound, prompting the supplement of the nutrient solution.

In summary, the ecological planting box 100 of the present invention provides a light module 20 for providing a light source for plant growth in the cabinet 10, a ventilation module for keeping the air circulation in the ecological planting box 100, and oxygen for supplying nutrient solution. The module 50 and the electronic control component for electrically controlling the ecological planting box 100, so that the user can intelligently control the illumination module 20, the ventilation module and the oxygen module 50 according to the growth condition of the plant, so that the plant grows in an optimal environment. , no pollution, no pesticide residues; at the same time, it can also enhance the user's planting experience.

The above embodiments are only used to illustrate the technical solutions of the present invention, and the present invention is not limited thereto. Although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or substituted. Without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. An oxygen generating module for supplying oxygen to a plant root system immersed in a nutrient solution, wherein the oxygen generating module comprises an air pump, a gas-water mixing structure, and a gas passage connecting the air pump and the gas-water mixing structure. The gas-water mixing structure includes a water storage area for storing nutrient solution, a gas storage area for storing oxygen on the side of the water storage area, and a barrier rib separating the water storage area and the gas storage. After filling the water storage area with the nutrient solution, the liquid level of the nutrient solution in the water storage area is not higher than the top end of the barrier rib.
2. The oxygenation module according to claim 1, wherein the barrier rib extends upward from a bottom of the gas-water mixing structure to a position near a top of the gas-water mixing structure.
3. The oxygen generating module according to claim 1, wherein the oxygen generating module further comprises a gas pump cover disposed outside the air pump, wherein the gas conveying passage comprises an air outlet provided on the air pump cover, a gas pipe connected at one end to the gas outlet and connected to the gas-water mixing structure at the other end, and a sealing device sealingly connecting the gas outlet and the gas pipe.
4. An ecological planting box for planting and cultivating a plant to be cultivated, the ecological planting box having a box body, an cultivating device housed in the box body for cultivating the plant, and an oxygenating module for supplying oxygen to the plant root system of the cultivating device The oxygen pumping module comprises an air pump, a gas-water mixing structure, and a gas transmission passage connecting the air pump and the gas-water mixing structure, the cultivation device comprising a liquid storage tray containing a nutrient solution, the gas-water mixing A structure is disposed on the liquid storage tray and connects the liquid storage tray and the air pump to introduce oxygen into the liquid storage tray and mix well with the nutrient solution.
5. The ecological planting box according to claim 4, wherein the gas-water mixing structure comprises a water storage area for storing nutrient solution, a gas storage area for storing oxygen on the side of the water storage area, And a barrier rib located between the water storage zone and the gas storage zone, the barrier rib extending upward from a bottom of the gas-water mixing structure to a position near a top of the gas-water mixing structure.
6. The ecological planting box according to claim 5, wherein when the nutrient solution is filled into the water storage area, the liquid level of the nutrient solution in the water storage area is not higher than the top end of the barrier rib .
7. The eco-growing box according to claim 4, wherein the oxygen generating module further comprises a gas pump cover disposed outside the air pump, the gas conveying passage comprising an air outlet provided on the air pump cover, a gas pipe connected at one end to the gas outlet and connected to the gas-water mixing structure at the other end, and a sealing device sealingly connecting the gas outlet and the gas pipe.
8. The ecological planting box according to claim 4, wherein the casing comprises a base for accommodating the liquid storage tray, and two sides of the base are provided with a slide for freely pulling the liquid storage tray. The gas delivery passage communicates with the gas-water mixing structure and the air pump when the liquid storage tray is completely received in the base; the air pump is mixed with the gas water when the liquid storage tray is pulled out The structure is broken.
9. The ecological planting box according to claim 4, wherein the liquid storage tray comprises a bottom wall and four side walls extending upward from four side edges of the bottom wall, wherein one of the side walls is recessed for receiving a recess of the gas-water mixing structure.
10. The ecological planting box according to claim 9, wherein the side wall of the liquid storage tray is further provided with a water pipe connecting the water storage area and the liquid storage tray, and the oxygen and the storage The nutrient solution in the water zone is sufficiently mixed and flows into the liquid storage tray from the water pipe.

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