JPH07322782A - Base irrigator for potting cultivation - Google Patents

Abstract

PURPOSE:To provide an irrigator capable of readily arranging pipes and irrigating the base of many potting cultivated plants at a time without causing root rot due to good draining and dewatering properties. CONSTITUTION:This irrigator is obtained by installing a pot-carrying pan 1 provided with rising walls (1a) on the periphery and made of a synthetic resin on a supporting pedestal, providing a water feeding and draining part (1e) and many dispersed protruding parts (1b) at the bottom of the pot-carrying pan, forming the top surfaces of the protruding parts into horizontal flat surfaces having an equal height and further the bases (1d) between the protruding parts of the pot-carrying pan 1 into slopes descending and tilting toward the water feeding and draining part (1e).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bottom irrigation device capable of bottom irrigation for large-scale potted cultivation.

[0002]

2. Description of the Related Art Conventionally, irrigation for potted plant cultivation has been performed from the upper part of the pot by using a Jolo, but when the number of pots is large, it takes too much manpower to handle the problem.

In order to deal with such a problem, a bowl-standing pan having a rising wall around it is installed on a support stand, and water is supplied from one end of the bowl-pan and drained from the other end. A device has been developed for irrigating the bottom of a large number of pots placed on a pot pan at a time.

The applicant of the present invention also encloses a potting floor consisting of a trough portion and a flat plate material extending substantially horizontally from the upper end of the trough portion with a rising wall to surround the potting floor including the rising wall with impermeable water. A bottom irrigation system for potted cultivation was proposed in which the sheet was laid freely so that it could be supplied and drained from the trough onto the impermeable sheet (Japanese Patent Application No. 3-40290). This device is a convenient device that can irrigate a large number of pots at the bottom at a time, has a low equipment cost, and can also be used as a workbench if the impermeable sheet is removed.

[0005]

However, the former device using the bowl-standing pan has a problem that the piping becomes complicated because the water supply pipe and the drainage pipe are separately connected to both sides of the bowl-standing pan. Moreover, since the bottom surface of the bowl-standing pan is inferior in drainage property, there is a concern that water may accumulate and root rot may occur especially when there is a dent or the like.

Also, in the latter device, the impermeable sheet laid on the pot floor is inferior in drainability, and moreover, wrinkles are more likely to occur on the sheet, and water is likely to accumulate on the wrinkled portions, which may also cause root rot. was there. Further, when it is used as a workbench, it is troublesome that the impermeable sheet must be turned over and removed.

An object of the present invention is to provide a convenient bottom surface irrigation system for potted cultivation which can solve such problems at once.

[0008]

In order to achieve the above object, the bottom surface watering device for potted cultivation according to claim 1 of the present invention comprises:
A bottom watering device in which a pot made of synthetic resin with a rising wall around it is installed on a support, and a water supply / drainage section and a large number of dispersed protrusions are provided at the bottom of the pot pan. The feature is that the upper surface is formed as a horizontal flat surface having the same height.

And, the apparatus of claim 2 which is more desirable,
The bottom surface between the protruding portions of the bowl-standing pan is formed into an inclined surface that descends toward the water supply / drainage section. The device according to claim 4 is characterized in that a concave groove is provided, and a water supply / drainage portion is provided in the concave groove, and the bottom surface between the protruding portions of the bowl pan is lowered toward the concave groove. The device according to claim 5 is characterized in that the water supply / drainage part is composed of a single water supply / drainage port to which a water supply / drainage pipe is connected. In the device of 6, the water supply / drainage part is composed of a water supply port to which a water supply pipe is connected and a drainage siphon pipe standing next to the water supply pipe, and the upper end of the siphon pipe is set to a predetermined irrigation surface height. A drainage pipe is connected to the lower end of the siphon pipe, and the device of claim 7 is a water supply / drainage device. There, a water supply port connected to the water supply pipe,
The drainage pipe upper end portion which is inserted and connected from below to the adjacent connection port, and the upper end opening of the drainage pipe is set to a predetermined height of the irrigation surface. , The area of the upper surface of one protruding part of the bowl pan is 1 to 25c
The device according to claim 9 is characterized in that m2 is set, and the total area of the upper surfaces of all the protrusions is set to 50 to 80% of the total bottom area of the bowl-standing pan. It is characterized in that a water-permeable groove lid having a height of the upper surface equal to that of the protrusion is detachably attached to the concave groove.

[0010]

When the water supply / drainage portion is formed at the bottom of the pan as in the apparatus of claim 1 of the present invention, it is not necessary to connect the water supply pipe and the drainage pipe to different places, and therefore the piping is simple. become.
Then, when the water supplied from the water supply / drainage section becomes higher than the upper surface of the protruding section, the bottom watering of all potted cultivated plants placed on the protruding section is simultaneously performed, and when the water is drained from the water supply / drain section, the bottom surface of the pot Will come into contact with the air between the protrusions and be properly dried. Therefore, there is no fear of causing root rot as in the conventional device. Moreover, if the water is drained as described above, packing work for shipping and the like can be performed using the bowl-standing pan as it is as a work table, so that the trouble of removing the impermeable sheet as in the conventional case is eliminated. Further, since the upper surfaces of the respective projections are formed as horizontal flat surfaces having the same height, the pots can be stably placed without rattling, and the workability such as packing is improved.

In particular, as in the apparatus of claim 2, the bottom surface between the protruding portions of the bowl-standing pan is formed into an inclined surface which descends toward the water supply / drainage portion, and claim 3 and claim As in the apparatus of 4, the bowl pan is provided with a concave groove, and the bottom surface of the bowl pan is formed into an inclined surface that descends toward the groove. The bowl pan has excellent drainability and drainability. Since there is no water retention, it is possible to prevent the propagation of plant pathogens.

Further, in the apparatus according to claim 5 in which the water supply / drainage unit is composed of a single water supply / drainage port to which a water supply / drainage pipe is connected, only one water supply / drainage pipe needs to be piped, and therefore the piping is extremely simple.
Further, as in the apparatus according to claim 6, in the water supply / drainage section comprising a water supply port to which a water supply pipe is connected and a drainage siphon pipe installed adjacent to the water supply port, the water supplied from the water supply port is a predetermined one. When the height of the irrigation surface is reached, natural drainage is performed from the siphon pipe, so if the water supply is continued, the height of the irrigation surface can be kept constant, and if the water supply is stopped, the water is drained to the height of the tip opening of the siphon pipe. It can be performed. Further, as in the apparatus according to claim 7, the water supply / drainage part having a water supply port connected to the water supply pipe and an upper end part of the drainage pipe connected to the adjacent connection port from below is also supplied from the water supply port. When the water reaches a predetermined height of the irrigation surface, it is naturally drained from the upper end opening of the drainage pipe, so that the height of the irrigation surface can be kept constant by continuing the water supply.

Further, as in the apparatus of claim 8, the area of the upper surface of one projection of the bowl is set to 1 to 25 cm 2, and the total area of the upper surfaces of all the projections is the total area of the bowl. The one set so as to be 50% to 80% of the bottom area has extremely good stability in placing the pot because the bottom of the pot is supported almost evenly by the dispersed protrusions, and moreover, the protrusion and the protrusion. Since the area of the bottom surface serving as the drainage passage between the two is secured, drainage and drainage are excellent. And
As in the apparatus according to claim 9, in the case where a water-permeable groove cover having an upper surface height equal to that of the protrusion is detachably attached to the concave groove, there is no fear that the bowl will fall into the concave groove. If the groove lid is removed, the groove can be easily cleaned.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing an embodiment of a bottom watering device for potted cultivation according to the present invention, and FIG. 2 is a sectional view of a pot standing pan and a water supply / drainage device of the device.

In the figure, reference numeral 1 is a pot pan integrally molded of synthetic resin, and the pot pan 1 is set on a support base 2. This bowl-standing pan 1 rises up around the wall 1
In the bottom of the bowl pan 1, a large number of dispersed protrusions 1b and concave grooves 1c are formed, and the water supply / drainage portion 1e is formed at the deepest part of the inclined groove bottom of the concave groove 1c. Is provided. The concave groove 1c improves drainability of the bottom surface of the bowl pan 1, and is formed in the center of the bowl pan 1 in this embodiment, but may be formed near the end or may be formed. You don't have to.

The shape of the projection 1b of the bowl pan 1 is a square trapezoid in this embodiment, but can be a desired shape such as a circular trapezoid, a prism or a column. Further, in this embodiment, the protrusions 1b are dispersed and formed in a state of being arranged vertically and horizontally, but they may be dispersed in, for example, a staggered arrangement or randomly dispersed.

The bottom surface 1d between the projections 1b of the bowl pan 1 and the projections 1b is formed into an inclined surface that descends toward the concave groove 1c in order to provide good drainage and drainage. . On the other hand, the upper surfaces of the protrusions 1b are all formed as flat horizontal surfaces having the same height, and the area of the upper surface of each protrusion is set to 1 to 25 cm @ 2. The total area of the upper surfaces of all the projections 1b is set to be 50 to 80% of the total area of the bottom of the bowl pan 1. In this way, the upper surface of the protrusion 1b is a horizontal flat surface of the same height,
Moreover, if the area of the upper surface of each protrusion and the total area of the upper surfaces of all the protrusions are set as described above, the supporting area of the protrusions, the distance between the protrusions, the dispersion density of the protrusions, etc. become appropriate, Since the pot 3 is supported by the protruding portion 1b without rattling, the pot placement stability becomes extremely good. Moreover, since the area of the bottom surface 1d serving as a drainage passage between the protrusions is sufficiently secured, good drainage and drainability are not impaired.

A groove lid 4 having an inverted U-shaped cross section formed of synthetic resin is detachably attached to the concave groove 1c of the pan 1 for preventing the bowl 3 from falling. The groove lid 4 is a water-permeable lid in which a large number of water passage holes 4a are formed on both side walls.
The height of the upper surface is the same as the upper surface of the protrusion 1b. Therefore, when water is supplied to the concave groove 1c as described later, the water overflowing from the concave groove 1c flows through the water passage hole 4a of the groove lid 4 to the bottom surface of the bowl pan 1, and ,
Even if the pot 3 is placed on the groove lid 4, it does not tilt or rattle. The groove lid 4 may be manufactured by reinforcing a wire net or a synthetic resin net with an aggregate.

Further, a water supply / drainage section 1e is provided at the deepest part of the inclined groove bottom of the concave groove 1c. The water supply / drainage portion 1e of this embodiment is composed of a single water supply / drainage port projecting downward, and only one water supply / drainage pipe 5a from the water supply / drainage device 5 is connected to the water supply / drainage port via the water stop valve 1f. Therefore, the piping is extremely simple. In the water supply / drainage device 5, the water supply / drainage pipe 5a is connected to a closed tank 5b, and a water supply pipe 5d is provided at a tank water supply port provided with a water supply valve 5c.
, Air valves 5e and 5f are attached to the upper wall of the tank, and the intake pipe 5h from the air compressor 5g is connected.
Is connected to one air valve 5f, but is not limited to this, and various types of water supply / drainage devices can be used.

The support base 2 for supporting the pan 1 is made by welding the C-shaped channel material 2a and the square material 2b at right angles and assembling them with a fastener such as a bolt. 2c is attached. It is desirable that each member constituting the support base 2 be subjected to rust prevention treatment to improve durability. Needless to say, the support base may be of any structure and material as long as it has strength and durability and can reliably support the pan 1.

In the bottom irrigation apparatus for potted plant cultivating as described above, a large number of potted cultivated pots 3 are placed on the pot-standing pan 1, and bottom irrigation is performed in the following manner.

That is, the water supply valve 5c of the water supply / drainage device 5 is opened to supply a predetermined amount of water to the tank 5b in advance from the water supply pipe 5d to store the water. Then, the air valve 5e is closed, the air valve 5f is opened, the air compressor 5g is operated, compressed air is supplied to the tank 5b, and the water shutoff valve 1f is opened. Then, the air pressure inside the tank 5b rises, the water inside the tank 5b is pushed down, and the water supply / drainage pipe 5
Water is supplied to the concave groove 1c of the bowl pan 1 from the water supply / drainage section 1e (water supply / drainage port) through a.

When water is supplied to the concave groove 1c in this way, the water overflowing from the concave groove 1c flows out through the water passage hole 4a of the groove lid 4 to the bottom surface 1d of the bowl pan 1 and the water level rises. Then, when the water level becomes higher than the upper surface of the protrusion 1b, the bottoms of all the pots 3 are submerged in water, and the bottom surface watering is performed all at once. In this state, the water stop valve 1f is closed to stop the water supply, the air compressor 5g is stopped to close the air valve 5f, and the water level inside the bowl pan 1 is kept constant.

After the bottom surface watering is finished, the air valve 5e is opened to evacuate the air in the tank 5b to return it to normal pressure, and the water shutoff valve 1f is opened to drain the water in the bowl pan 1. When the water is drained in this manner, the water in the bowl pan 1 flows through the inclined bottom surface 1d between the projections 1b and the projections 1b, and the recessed groove 1 does not remain.
There is no waste because it flows into c and is returned from the water supply / drainage section 1e (water supply / drainage port) to the tank 5b through the water supply / drainage pipe 5a. Moreover, the drainage and drainage properties of the bowl-standing pan 1 are extremely good, and when the bowl is drained, the bowl bottom has the protrusions 1b and 1b.
There is no concern about root rot, etc., because it is dried properly by contact with the air between them. In addition, since there is no retention of water in the bowl pan 1, it is possible to prevent the propagation of pathogenic bacteria and the like in plants. Then, when the potted plant has grown to the extent that it can be shipped, the drained and dried potted pan 1 can be used as a work table as it is for packing and other packing work.

FIG. 2 is a cross-sectional view showing a pot standing pan and a water supply / drainage device of a bottom watering device for potted cultivation according to another embodiment of the present invention.

In the bowl-standing pan 1 of this embodiment, the water supply / drainage section 10e is provided on the bottom of the bowl-standing pan 1 without forming a concave groove, and the bottom surface 1d between the projections 1b and the projections 1b of the bowl-standing pan is It is formed on an inclined surface that descends toward the water supply / drainage section 10e. It goes without saying that this bowl-type pan 1 is also installed on the support base as in the above-mentioned embodiment.

The water supply / drainage unit 10e is a water supply / drainage device 50.
It is composed of a water supply port 11e to which the water supply pipe 50a is connected, and an inverted J-shaped drainage siphon pipe 12e standing next to the water supply port 11e. The upper end of the siphon pipe 12e is set to a predetermined irrigation surface height. The tip opening of the siphon tube 12e is located near the bottom surface of the bowl pan 1. The drain pipe 50 of the water supply / drainage device 50 is provided at the lower end of the siphon pipe 12e.
i is connected. On the other hand, the water supply / drainage device 50 is an open tank 50b in which the water supply pipe 50a and the drainage pipe 50i are connected, and the water supply pump 5 is provided in the middle of the water supply pipe 50a.
0j is installed.

The other structure of the bottom watering device for potted plant cultivation is the same as that of the above-mentioned embodiment, and the explanation thereof is omitted.

Such a bottom watering device for potted cultivation is
When the water supply pump 50j is activated, the water in the tank 50b is supplied from the water supply port 11e to the bowl pan 1 through the water supply pipe 50b, and when the water level exceeds the protrusion 1b, bottom watering is started. Then, when the water level reaches a predetermined height of the irrigation surface, water is returned from the siphon pipe 12e to the tank 50b through the drain pipe 50i. Therefore, as long as the water supply pump 50j continues the water supply, the bottom surface irrigation can be performed while maintaining the water level at a predetermined height of the irrigation surface. Next, water pump 50
When j is stopped and water supply is stopped, water is drained until the water level in the bowl pan 1 reaches the height of the tip opening of the siphon tube 12e,
Almost no water remains in the bowl pan 1. In this case, if a pump not having a built-in check valve is used as the water supply pump 50j, the water in the bowl pan 1 flows backward through the water supply pipe 50a and is returned to the tank 50b, so that no water remains in the bowl pan 1. preferable.

FIG. 4 is a sectional view showing a pot pan and a water supply / drainage device of a bottom watering device for potted cultivation according to still another embodiment of the present invention.

Also in the apparatus of this embodiment, the water supply / drainage section 100e is provided without forming a concave groove on the bottom of the bowl pan 1, and this water supply / drainage section 100e is connected to the other water supply pipe 50a. And the upper end portion 102e of the drainage pipe 50j that is inserted into and connected to the adjacent connection port from below, and the upper end opening of the drainage pipe 50j is set to a predetermined height of the watering surface. A pump that does not include a check valve is used as the water supply pump 50j. Since other configurations are completely the same as those of the apparatus shown in FIG. 3, the same members are designated by the same reference numerals in FIG.

Such a bottom watering device for potted cultivation is also
When the water supply pump 50j is activated, the water in the tank 50b is supplied from the water supply port 11e to the bowl pan 1 through the water supply pipe 50b, and when the water level exceeds the protrusion 1b, bottom watering is started. Then, when the water level reaches a predetermined height of the irrigation surface, water is returned to the tank 50b from the upper end opening of the drain pipe 50i. Therefore, as long as the water supply pump 50j continues the water supply, the bottom surface irrigation can be performed while maintaining the water level at a predetermined height of the irrigation surface. Next, when the water supply pump 50j is stopped and the water supply is stopped, the water in the bowl-standing pan 1 flows back through the water supply pipe 50a and is returned to the tank 50b.

Needless to say, in each of the above-mentioned embodiments, necessary nutrients, disinfectants and the like may be dissolved in the water supplied to the bowl pan 1. Further, in the embodiment shown in FIGS. 3 and 4, the drain pipe 50 is connected to the tank 50b to return water to the tank, but the drain pipe 50 is guided to the discharge channel and discharged to the outside. You may. Furthermore, in the embodiment shown in FIGS. 3 and 4, the individual water supply pipe 50a and the drain pipe 5
Although 0i is used, one in which the water supply pipe 50a and the drainage pipe 50i are combined and integrated by a coupling tool, one in which a partition wall is provided in one pipe to form a water supply passage and a drainage passage, and a large diameter A tank 50 using an appropriate composite pipe, such as a pipe having a small diameter inserted inside and one pipe serving as a water supply pipe and the other pipe serving as a drain pipe
It is also possible to connect to the lower part of b.

[0035]

EFFECTS OF THE INVENTION As is clear from the above description, the bottom watering device for potted cultivation of the present invention has a simple plumbing because a water supply / drainage part is provided at one place on the bottom of the potted pan, and a large number of potted plants are planted. It is possible to irrigate the cultivated plants at the bottom at once, and there is no concern about root rot because the pot pan has good drainage and drainability, and the pot stability is good and the pot pan in the drained state can be used as it is as a work table. It can also be used, in a further preferred embodiment, the water supplied to the pot pan can be maintained at a predetermined height of the irrigation surface, and the drainage and drainage properties of the pot pan can be further improved. It can produce many excellent effects.

[Brief description of drawings]

FIG. 1 is a perspective view showing a bottom surface watering device for potted cultivation according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a pan and a water supply / drainage device of the same device.

FIG. 3 is a cross-sectional view showing a pot standing pan and a water supply / drainage device of a bottom watering device for potted plant cultivation according to another embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a pot standing pan and a water supply / drainage device of a bottom watering device for potted plant cultivation according to still another embodiment of the present invention.

[Explanation of symbols]

 1 Pot Stand Pan 1a Standing Wall 1b Projection 1c Recess 1d Bottom 1e, 10e, 100e Water Supply / Drainage 11e, 101e Water Supply 12e Siphon Pipe 102e Drain Pipe Top 2 Support 3 Bowl 4 Groove Lid 4a Water Hole 5,50 Water supply / drainage device 5a Water supply / drain pipe 50a Water supply pipe 50i Drain pipe 5b, 50b Tank 5g Air compressor 50j Water pump

Claims (9)

[Claims] 1. A bottom surface watering device in which a pot made of synthetic resin having a rising wall around it is installed on a support base, wherein a water supply / drainage section and a large number of dispersed projections are provided at the bottom of the pot pan. A bottom watering device for potted planting, characterized in that the upper surface of the protruding portion is formed into a horizontal flat surface having the same height. 2. A bottom surface between the protrusions of the bowl-standing pan,
The bottom surface irrigation device for potted cultivation according to claim 1, wherein the bottom surface irrigation apparatus is formed on an inclined surface that descends toward the water supply / drainage section. 3. The bottom watering device for potted plant cultivation according to claim 1, wherein a concave groove is provided in the bottom of the pot-standing pan, and a water supply / drainage portion is provided in the concave groove. 4. The bottom surface between the protrusions of the bowl-standing pan,
The bottom surface watering device for potted plant cultivation according to claim 2, wherein the bottom surface watering device is formed on an inclined surface that descends toward the groove. 5. The bottom irrigation system for potted plant cultivation according to claim 1, wherein the water supply / drainage part is composed of a single water supply / drainage port to which a water supply / drainage pipe is connected. 6. The water supply / drainage section has a water supply port to which a water supply pipe is connected,
It consists of a siphon pipe for drainage standing next to it, and while setting the upper end of the siphon pipe to a predetermined height of the watering surface,
The bottom watering device for potted plant cultivation according to any one of claims 1 to 4, wherein a drain pipe is connected to a lower end of the siphon pipe. 7. The water supply / drainage section has a water supply port to which a water supply pipe is connected,
5. A drainage pipe upper end portion that is inserted and connected from below to a connection port next to it, and the drainage pipe upper end opening is set to a predetermined height of the irrigation surface, according to any one of claims 1 to 4. The bottom surface irrigation device for potted cultivation described in. 8. The area of the upper surface of one protrusion of the bowl-standing pan is 1
8. The size is set to 25 cm @ 2, and the total area of the upper surfaces of all the projections is set to be 50 to 80% of the total bottom area of the bowl-standing pan. The bottom surface irrigation device for potted cultivation described in. 9. The potted cultivation according to claim 3, wherein a water-permeable groove lid having a height of the upper surface equal to that of the protrusion is detachably attached to the groove. Bottom irrigation device.