WO2023060807A1

WO2023060807A1 - Plant hydroponic apparatus

Info

Publication number: WO2023060807A1
Application number: PCT/CN2022/073912
Authority: WO
Inventors: 李晓虎
Original assignee: 深圳市烨霖科技有限公司
Priority date: 2021-10-15
Filing date: 2022-01-26
Publication date: 2023-04-20
Also published as: CN216775729U; CN115968767A; CN113841604A

Abstract

A plant hydroponic apparatus, comprising a container body (3) and a magnetic transmission rotation device. The magnetic transmission rotation device comprises a power rotation mechanism (1) and an induction rotation mechanism (2); the power rotation mechanism (1) is disposed outside the container body (3); the induction rotation mechanism (2) is disposed inside the container body (3); the power rotation mechanism (1) further comprises a motor (12) and at least two first magnetic induction units (11); the first magnetic induction units (11) are disposed on a motor rotor (121); the induction rotation mechanism (2) further comprises blades (21) and at least two second magnetic induction units (24); the second magnetic induction units (24) are disposed on the blades (21); the second magnetic induction units (24) are magnetically coupled with the first magnetic induction units (11); the power rotation mechanism (1) drives, by means of magnetic force, the induction rotation mechanism (2) to rotate, so as to drive the blades (21) to rotate. A power transmission device for oxygen supply uses non-contact magnetic transmission, such that the container body can be easily taken out and placed independently without affecting the visual interest.

Description

plant hydroponic device

technical field

The invention relates to the technical field of plant oxygen supply, in particular to the technology of cultivating plants in water.

Background technique

The plant hydroponic device is to hold the nutrient solution in the hydroponic container. Most of the roots of the plants grow in the nutrient solution, and only the nutrient solution provides the plants with nutrients, water and oxygen. In order to realize the oxygen supply and oxygenation of the nutrient solution, in the prior art, a small and micro air input device is used to press the air into the water. The small and micro air input device includes a water pump, a water delivery pipe and a guide body. This oxygen supply device, because the small and micro air input device is basically placed in the main body of the container, and the pipeline needs to be connected with the main body of the container through the upper edge of the main body of the container, there are some deficiencies, specifically:

1. It affects the relative independence of the container, and the container cannot be separated easily;

2. Water pipes and diversion bodies are easily entangled with plant roots, which is not conducive to cleaning and affects planting interest;

3. Affect the appearance of the container and affect the ornamental value.

Contents of the invention

The technical problem to be solved by the present invention is to propose a plant hydroponic device whose oxygen supply system is mostly arranged outside the main body of the container, which is easy to clean and does not affect the ornamental performance.

The technical scheme that the present invention solves its technical problem adopts is:

Provided is a plant hydroponic device, comprising a container body and a plug tray for planting plants, the plug tray is arranged in the container body, and also includes a magnetic drive rotation device, the magnetic drive rotation device includes a power rotation mechanism and an induction rotation mechanism , the power rotation mechanism is arranged outside the container body, and the induction rotation mechanism is arranged inside the container body; the power rotation mechanism includes a motor and at least two first magnetic induction units, and the first magnetic induction unit is arranged on the rotor of the motor. The induction rotation mechanism further includes a blade and at least two second magnetic induction units, the second magnetic induction unit is arranged on the blade; the second induction unit is magnetically coupled with the first magnetic induction unit, and the power rotation mechanism is driven by magnetic force to induce rotation The mechanism rotates, which drives the blades to rotate.

further:

It also includes a blade cover, the blade cover is arranged on the outside of the blade, the water inlet and the water outlet are arranged on the blade cover, an air inlet pipe is arranged above the blade cover, and one end of the air inlet pipe is exposed in the container main body Above the liquid surface, the other end passes through the air inlet on the blade cover and sinks below the liquid surface.

The main body of the blade cover is in the shape of an inverted disc, the water outlet extends from the edge of the side wall of the disc and protrudes beyond the side wall of the disc, and the water inlet is arranged on the top surface of the blade cover.

The blade cover is in the shape of an inverted disk as a whole, and the bottom of the container body is provided with a large semicircular vertical wall. The large semicircular vertical wall and the small semicircular vacancy form a complete circle, and the center of the vertical wall has a shaft for fixing the rotation axis of the blades. Holes, the blade cover covers form a cavity on the periphery of the vertical wall, and the blade is accommodated in the cavity; the water inlet is arranged on the top surface of the blade cover, and the side of the blade cover corresponds to the position of the small semicircular vacancy. A notch is provided to form a water outlet.

It also includes a blade cover, the blade cover is bell-shaped, and the cover is arranged on the outside of the blade. There is a water outlet at the bottom of the cover.

The motor is a brushless DC motor; the motor rotor is in the shape of an inverted disc, the cover is outside the motor stator, and the center of the motor rotor is fixed to the motor shaft; the first magnetic induction unit is evenly embedded on the top surface of the motor rotor.

The rotating shaft of the blade and the motor shaft in the motor are located on the same straight line, and the distance between the first magnetic induction unit and the rotating shaft in the power rotating mechanism is equal to the distance between the second magnetic induction unit and the motor shaft in the motor.

It also includes a lamp, the lamp includes a base, a telescopic rod and a lamp, the power rotation mechanism is arranged in the base, the telescopic rod is arranged on the base, the lamp is connected to the top of the telescopic rod and connected to the control circuit board circuit, The container body is placed on the base.

It also includes a control circuit board electrically connected with the power rotating mechanism and the lamp, and the control circuit board is arranged in the base.

Both the first magnetic induction unit and the second magnetic induction unit are permanent magnets.

Compared with prior art, the present invention has following beneficial effect:

The power transmission device for oxygen supply adopts non-contact magnetic transmission, and the power rotation mechanism is relatively independent from the induction rotation mechanism, so that the main body of the container can be easily taken out and placed independently without affecting the viewing;

It is convenient to replace the cultured plants, and it is beneficial to clean the main body of the container;

The induction rotating mechanism in the main body of the container is simple and small, and does not affect the viewing of plant roots.

Description of drawings

FIG. 1 is a schematic top view of a rotor equipped with a first magnetic induction unit according to an embodiment of the present invention;

Fig. 2 is a three-dimensional schematic diagram of the blade cover structure of the embodiment of the present invention;

Fig. 3 is a schematic diagram of the blade structure of an embodiment of the present invention;

Figure 4 is a schematic exploded side view of an embodiment of the present invention;

5 is a schematic diagram of an exploded front view of an embodiment of the present invention;

Fig. 6 is a schematic cross-sectional view of a vane cover and a vane combination according to an embodiment of the present invention;

7 is an exploded perspective view of an embodiment of the present invention;

Figure 8 is a schematic front view of an embodiment of the present invention;

Fig. 9 is a schematic diagram of an embodiment of the C-C section of Fig. 8;

Fig. 10 is a schematic diagram of an enlarged embodiment of part D of Fig. 9;

Fig. 11 is an exploded perspective view of an embodiment of the main part of the container according to the embodiment of the present invention;

Fig. 12 is a schematic diagram of another embodiment of the C-C section of Fig. 8;

Fig. 13 is an enlarged schematic view of part D of Fig. 12;

Fig. 14 is an exploded perspective view of another embodiment of the main part of the container according to the embodiment of the present invention;

Reference signs: power rotating mechanism-1, first magnetic induction unit-11, motor-12, motor rotor-121, motor stator-122, motor shaft-123, induction rotating mechanism-2, blade-21, leaf blade-211 , rotating shaft-212, blade cover-22, water inlet-221, air inlet-222, water outlet-223, gap-224, air inlet pipe-23, second magnetic induction unit-24, blade cover-25, blade Cover air inlet-251, water outlet-252, container main body-3, vertical wall-31, vacancy-32, shaft hole-33, tray-4, lamp-5, base-51, base cover-511, base Lower cover-512, telescopic rod-52, lamp-53, lampshade cover-531, lamp board-532, light-transmitting board-533, lampshade upper cover 531, control circuit board-6.

Detailed ways

Now in conjunction with the accompanying drawings, the preferred embodiments of the present invention will be described in detail.

A plant hydroponic device, as shown in Fig. 4, Fig. 5, Fig. 7 to Fig. 9, includes a magnetic drive rotating device, a container body 3 and a plug 4, and the plug 4 for planting plants is installed in the container body 3. As shown in Figures 1 to 5, the magnetic drive rotation device includes a power rotation mechanism 1 and an induction rotation mechanism 2, the power rotation mechanism 1 is arranged outside the container body 3, the induction rotation mechanism 2 is arranged inside the container body 3, and the power rotation mechanism 1 The induction rotating mechanism 2 is driven to rotate by magnetic force.

In some embodiments, as shown in FIG. 1 , the power rotating mechanism 1 includes a motor 12 and at least two first magnetic induction units 11 , and the first magnetic induction units 11 are arranged on a motor rotor 121 . As shown in Figure 3, the induction rotating mechanism 2 includes a blade 21 and at least two second magnetic induction units 24, the second magnetic induction unit 24 is arranged on the blade 21, and the second induction unit 24 and the magnetic field generated by the first magnetic induction unit 11 perform magnetic force Coupled to rotate, thereby driving the blade 21 to rotate.

As shown in Figure 10, the rotating shaft 212 of the blade 21 and the motor shaft 123 in the motor 12 are located on the same straight line, and the distance between the first magnetic induction unit 11 and the rotating shaft 212 is equal to the distance between the second magnetic induction unit 24 and the motor in the motor. Axis 123 distance. In this embodiment, the motor is a brushless DC motor; the motor rotor 121 is in the shape of an inverted disk, the cover is outside the motor stator 122 , and the center of the motor rotor 121 is fixed to the motor shaft 123 . The first magnetic induction unit 11 is embedded on the top surface of the rotor of the motor 12 , as shown in FIG. 1 .

In this embodiment, both the first magnetic induction unit 11 and the second magnetic induction unit 24 are permanent magnets, which are respectively embedded in the blade 21 and the motor rotor 121 . In the process of magnetic force transmission, the magnetic force loss is small, and the material is convenient to obtain. The rotation speed of the two is equivalent, and better power transmission can be achieved.

As shown in Fig. 3 and Fig. 6, the blade 21 includes several vanes 211 and a rotating shaft 212, and several vanes 211 are arranged circumferentially along the rotating shaft 212, and the rotating shaft 212 is connected with the vanes 211, wherein the vanes 211 are arranged along the The rotating shaft 212 can be arranged equidistantly or non-equidistantly in the circumferential direction. When the non-equidistant arrangement is adopted, an eccentric vortex will be formed during the rotation of the blades, and there will be obvious resistance at the scattered parts of the vanes 211, which will gradually lose power. In this embodiment, equidistant arrangement is adopted, the resistance received during the rotation is relatively stable, and the rotation is relatively light and smooth.

As shown in FIG. 2 , FIG. 6 and FIG. 11 , it also includes a vane cover 22 disposed outside the vane 21 , and the vane cover 22 is provided with a water inlet 221 and a water outlet 223 . An air inlet pipe 23 is arranged above the blade cover 22 , one end of the air inlet pipe 23 is exposed above the liquid surface of the container main body 3 , and the other end passes through the air inlet 223 on the blade cover 22 and submerges below the liquid surface.

In the embodiment shown in Figure 2 and Figure 6, the main body of the blade cover 22 is in the shape of an inverted disc, the water outlet 223 is similar to a spout, extending from the edge of the side wall of the disc to protrude from the side wall of the disc, and the water inlet 221 is arranged on the blade on the top of the cover 22. The blade cover 22 covers the bottom of the container body 3 to form a cavity, and the blade 21 is accommodated in the cavity.

In the embodiment shown in Figure 7 and Figure 11, the vane cover 22 is in the shape of an inverted disk as a whole, and the bottom of the container body 3 is provided with a large semicircular vertical wall 31, which forms a complete circle with the small semicircular vacancy 32, and the center of the vertical wall 31 There is a shaft hole 33 for fixing the rotating shaft 212. The vane cover 22 covers forms a cavity on the periphery of the vertical wall 31, and the vane 21 is accommodated in the cavity. The water inlet 221 is also disposed on the top surface of the blade cover 22 . A notch 224 is provided on the side of the vane cover 22 , and when the notch 224 of the vane cover partially or fully overlaps with the small semicircular vacancy 32 , a water outlet is formed.

As shown in Figure 6 and Figure 9 to Figure 11, during the rotation of the blade 21, negative pressure is generated in the cavity, and after the water is discharged from the water outlet 223, the water pressure in the cavity is lower than the water pressure outside the cavity, and the water enters through the water inlet 221 to maintain The pressure inside and outside the cavity is dynamically balanced. At the same time, during the rotation of the blades 21, negative pressure is generated in the cavity, and external air enters the cavity through the air inlet pipe 23 and the air inlet 223 to maintain the dynamic balance of the air pressure, and promotes the air to be discharged from the water outlet 223 during the rotation of the blades. Oxygen for plants.

In the embodiment shown in Figures 12 to 14, compared with the embodiment shown in Figures 9 to 11, the blade cover 25 replaces the blade cover 22 and the intake pipe 23, and the blade cover 25 is bell-shaped, and the cover It is arranged on the outside of the vane, the top of the vane cover gradually narrows to form an air inlet and is exposed above the liquid surface in the container main body, and the bottom of the vane cover is provided with a water outlet 252 . The design of the vane cover 25 relative to the vane cover 22 does not need to add an additional air intake pipe, which simplifies the production and assembly process, and the inner space of the vane cover can be made larger. As shown in Figure 14, the bottom of the container main body 3 is provided with a large semicircular vertical wall 31, which forms a complete circle with the small semicircular vacancy 32, and the center of the vertical wall 31 has a shaft hole 33 for fixing the rotating shaft 212, and the blade cover 25 cover A cavity is formed on the periphery of the vertical wall 31, and the blades 21 are accommodated in the cavity. Water can enter and leave the cavity when the water opening 252 partially or completely overlaps the small semicircular vacancy 32 . During the rotation of the blade 21, water is discharged from the water outlet, and negative pressure is generated in the cavity, and external air enters the cavity through the blade cover air inlet 251 to maintain the dynamic balance of the air pressure, and promote the air and the air in the cavity during the rotation of the blade. The water (nutrient solution) is mixed, and the mixed external air and water are discharged from the water outlet together to supply oxygen to the plants.

In some embodiments, as shown in FIG. 4 and FIG. 7 , a control circuit board 6 is also included, which is electrically connected with the power rotating mechanism 1 . The signal detected by the control circuit board 6 includes the current change or the rotational speed change of the power rotating mechanism 1 . When any state change of current or rotating speed exceeds the threshold value, it indicates that its working state is abnormal, such as the container main body leaves the power rotating mechanism and appears no-load or other abnormal rotation, etc. At this time, the control circuit board 6 controls the power rotating mechanism 1 to stop working, Useless energy consumption is reduced, energy is saved, and unsafe factors caused by idling and abnormal rotation of the power rotating mechanism 1 are avoided at the same time.

In some embodiments, as shown in Fig. 4, Fig. 5, Fig. 8 and Fig. 9, a lamp 5 is also included, wherein the lamp 5 includes a base 51, a telescopic rod 52 and a lamp 53, and the control circuit board 6 and the motor 12 are set In the base 51 , a telescopic rod 52 is installed on the base 51 , the lamp 53 is connected to the top of the telescopic rod 52 and connected to the control circuit board 6 , and the container main body 3 is placed on the base 51 . The top of the telescopic rod 52 is connected with a light 53 , and the light 53 is connected with the control circuit board 6 . As shown in FIG. 7 , the base 51 includes a base upper cover 511 and a base lower cover 512 . The lamp 53 includes a lampshade upper cover 531 , a lamp board 532 and a light-transmitting board 533 . The light emitted by the light source on the lamp board 532 is emitted through the light-transmitting board 533 .

During use, the container main body 3 is filled with water and a nutrient solution for supporting plants. Plants are planted in the plug tray 4, and the plant rhizomes are in contact with the liquid surface in the container main body 3 through the holes on the plug tray 4. In this embodiment, the motor 12 of the power rotating mechanism 1 is a brushless DC motor 12, the first magnetic induction unit 11 is embedded on the rotor of the motor 12 such as a permanent magnet, and the second magnetic induction unit 24 is embedded on the blade of the blade 21 such as a permanent magnet. on the flap. The motor 12 is electrically connected to the control circuit board 6 . As shown in Figure 10, the starter motor 12 drives the rotor to rotate, and the motor 12 drives the motor rotor 121 to rotate, thereby driving the second magnetic induction unit 24 coupled with its magnetic force to rotate, thereby driving the blade 21 to rotate, and a negative pressure is formed in the cavity during the rotation process . The negative pressure makes external air enter from the air inlet pipe 23 through the air inlet 222, and water enters the cavity below the blade cover 22 through the water inlet hole 221. Under the high-speed rotation of the blade 21, the air and water pass through the water outlet on the side of the blade cover 22 The water is discharged to supply oxygen, and the blade 21 stirs the water body to allow the water to flow and increase oxygen. As shown in Figure 13, the starter motor 12 drives the rotor to rotate, and the motor 12 drives the motor rotor 121 to rotate, thereby driving the second magnetic induction unit 24 coupled with its magnetic force to rotate, thereby driving the blade 21 to rotate, and a negative pressure is formed in the cavity during the rotation process . Negative pressure makes external air enter the cavity through the air inlet 251 of the blade cover, and under the high-speed rotation of the blade, the air mixes with the water (nutrient solution) in the cavity and is discharged from the water outlet 252 to supply oxygen to the plants. At the same time, stirring the water body by the blade 21 can also allow the water to flow and increase oxygen. The present invention supplies oxygen through magnetic non-contact transmission, the power rotating mechanism 1 and the induction rotating mechanism 2 are relatively independent, the structure is simple and compact, and the reliability is high.

The control circuit board 6 detects that the current change or speed change of the motor exceeds the threshold, indicating that its working state is abnormal, such as when the container body leaves the base 51 and there is no load or other abnormal rotation. Mechanism 1 stops working to reduce useless energy consumption and save energy.

Since the induction rotating mechanism 2 and the power rotating mechanism 1 adopt non-contact magnetic transmission, the main body of the container 3 can be placed independently, which is convenient for changing the cultivated plants and facilitating cleaning and maintenance; the induction rotating mechanism 2 has high reliability, is simple and compact, and does not affect the plant Rhizome ornamental.

In addition, the height of the lamp 53 can be adjusted by adjusting the telescopic rod 52 , and the intensity of light and the color of the light source can be adjusted by buttons to enhance the viewing effect.

In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", "rear" etc. are based on the drawings The orientations or positional relationships shown are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as an important aspect of the present invention. limits.

In this application, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, unless otherwise clearly specified and limited. , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

It should be understood that the above embodiments are only used to illustrate the technical solutions of the present invention, not to limit them. Those skilled in the art can modify the technical solutions described in the above embodiments, or modify some of the technical features. Perform equivalent replacements; and these modifications and replacements should all belong to the protection scope of the appended claims of the present invention.

Claims

A plant hydroponic device, comprising a container body, characterized in that: it also includes a magnetic transmission rotation device, the magnetic transmission rotation device includes a power rotation mechanism and an induction rotation mechanism, the power rotation mechanism is arranged outside the container body, and the induction rotation mechanism The rotating mechanism is arranged inside the container main body; the power rotating mechanism further includes a motor and at least two first magnetic induction units, the first magnetic induction unit is arranged on the rotor of the motor, and the induction rotating mechanism further includes blades and at least two second magnetic induction units The second magnetic induction unit is arranged on the blade; the second induction unit is magnetically coupled with the first magnetic induction unit, and the power rotation mechanism drives the induction rotation mechanism to rotate through magnetic force, thereby driving the blade to rotate.
The plant hydroponic device according to claim 1, characterized in that: it also includes a blade cover, the blade cover is arranged on the outside of the blade, the blade cover is provided with a water inlet and a water outlet, the blade cover above the An air inlet pipe is provided, and one end of the air inlet pipe is exposed above the liquid surface in the container main body, and the other end passes through the air inlet on the blade cover and submerges under the liquid surface.
The plant hydroponic device according to claim 2, characterized in that: the main body of the blade cover is in the shape of an inverted disc, the water outlet extends from the edge of the side wall of the disc and protrudes beyond the side wall of the disc, and the water inlet Set on the top surface of the blade cover.
The plant hydroponic device according to claim 2, characterized in that: the leaf cover is in the shape of an inverted disk as a whole, and the bottom of the container body is provided with a large semicircular vertical wall, and the large semicircular vertical wall is combined with a small semicircular vacancy A full circle, the center of the vertical wall has a shaft hole for fixing the blade rotation shaft, the blade cover covers a cavity on the periphery of the vertical wall, and the blade is accommodated in the cavity; the water inlet is arranged on the blade cover On the top surface, the side of the blade cover corresponding to the position of the small semicircular vacancy is also provided with a gap to form a water outlet.
The plant hydroponic device according to claim 1, characterized in that: it also includes a blade cover, the blade cover is bell-shaped, and the cover is arranged on the outside of the blade, and the top of the blade cover is gradually reduced to form an air inlet. Exposed above the liquid surface in the container main body, a water outlet is provided at the bottom of the blade cover.
The plant hydroponic device according to claim 2 or 5, characterized in that: the motor is a brushless DC motor; The shaft is fixed; the first magnetic induction unit is evenly embedded on the top surface of the motor rotor.
The plant hydroponic device according to claim 6, characterized in that: the rotation shaft of the blade and the motor shaft in the motor are located on the same straight line, and the distance between the first magnetic induction unit and the rotation shaft in the power rotation mechanism is equal to the second The distance between the magnetic induction unit and the motor shaft inside the motor.
The plant hydroponic device according to claim 6, characterized in that: it also includes a lamp, the lamp includes a base, a telescopic rod and a lamp, the power rotating mechanism is arranged in the base, the telescopic rod is arranged on the base, and the The lamp is connected with the top of the telescopic rod and connected with the control circuit board circuit, and the main body of the container is placed on the base.
The plant hydroponic device according to claim 6, further comprising a control circuit board electrically connected with the power rotating mechanism and the lamp, and the control circuit board is arranged in the base.
The plant hydroponic device according to claim 6, characterized in that: both the first magnetic induction unit and the second magnetic induction unit are permanent magnets.