JPH03117435A - Liquid feeder - Google Patents

Abstract

PURPOSE:To remarkably reduce labor for cultivating operation by providing a construction for feeding a culture solution from a liquid feed pipe to a cultivation bed movable by rotation and stopping the liquid feed in rotation. CONSTITUTION:A cultivation bed (A) is provided with protruding parts 200 and horizontally movable. The protruding parts 200 contact and separate from a contact rod 140 by moving the cultivation bed (A). The contact rod 140 is lifted in contact with the protruding parts and lowered in separating therefrom. A piston 130 provided in the contact rod opens or closes a nozzle hole 111 when vertically moving the contact rod. The nozzle hole 111 communicates with the liquid feed pipe in opening thereof and interrupts communication in closing thereof. Thereby, when the nozzle hole 111 is opened, liquid feed can be carried out. When the nozzle hole is closed, the liquid feed is stopped.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to hydroponic cultivation in which plants are cultivated in a cultivation bed, and more specifically, the present invention relates to hydroponic cultivation in which plants are grown in a cultivation bed. This invention relates to a liquid supply device that supplies liquid.

[Conventional technology] Originally, the cultivation of plants such as vegetables is mainly carried out in open fields, but since the yield increases or decreases depending on the amount of sunlight and rainfall, it is difficult to always obtain a constant yield. That was difficult. Therefore, in recent years, when cultivating crops such as vegetables, so-called hydroponic cultivation, which cultivates crops using a nutrient solution containing dissolved fertilizer without using soil, has been adopted.

This hydroponic cultivation reduces soil fertility in open field cultivation, or
There are fees associated with continuous cropping failure and disease damage, as well as labor-saving automation of cultivation and the purpose of increasing production.The production cost is higher compared to open field cultivation, but it is easy to adjust distribution and dispose of remaining roots. 1. How to cultivate wild plants such as . −． 7
(There is one for 11.

Such water υ[As a cultivation device, the one shown in FIG. 6 is provided. The hydroponic cultivation device rotates in the direction of the arrow shown in FIG. 6 to provide a movable cultivation bed A, a liquid supply device that supplies liquid to the cultivation head A, and an N solution to the liquid supply device. It is roughly constituted by a liquid supply pipe 2 for sending the liquid.

In the hydroponic cultivation apparatus, harvesting of plants from the cultivation head A or planting on the cultivation head A is performed at a predetermined harvesting or planting position. At the predetermined position IR, the cultivation bed F' i can be rotated in the direction of the arrow 111i and moved 4 to the predetermined collection position. Therefore, when rotating, stop the liquid supply j2
must be carried out. This is because if the cultivation beds A rotate with the lids on and the liquid supplied, the N solution will spill into the gaps between the cultivation beds A.

[Problem to be Solved by the Invention (7)] However, as shown in FIGS.
Since the supply of liquid to the cultivation bed A is started or stopped by opening and closing the valve, it is necessary to open and close valve 1 each time for planting and harvesting, which requires considerable effort for cultivation work. There was a problem.

The present invention has been made in view of these problems of the prior art, and its purpose is to provide a supply system that can reduce labor in cultivation work compared to the prior art. The purpose is to provide a liquid device.

[Ding stage for solving the problem] The gist of the present invention is a liquid supply device for supplying liquid to a plurality of cultivation beds for performing hydroponic cultivation, and the liquid supply device is capable of supplying liquid to a plurality of cultivation beds for hydroponic cultivation. Consisting of a protrusion provided on the body and a main body,
The main body includes a cylinder, a piston, a contact rod,
The 11-ring cylinder is installed in the piping for distributing the nutrient solution, and the nozzle hole is provided on the side of the 11-r1 cylinder. The contact rod is provided at one end of the contact rod and slides in the -F-F direction within the cylinder. A liquid supply device characterized in that when it moves d', it comes into contact with and separates from the protrusion and P, and the piston opens and closes the nozzle hole by the 1-F movement of the contact rod described in +iiij. There are 4" in existence.

[-effect 1 For cultivation - The throat has a protrusion.

The cultivation bed is water) +

The protrusion is! As the recorder vent moves i'l, it comes into contact with and separates from the contact rod - 4 9° When the contact rod comes into contact with the protrusion iii, it rises by -L,
When separated, it descends.

When the contact rod Ei moves upward, the piston provided therein opens and closes the nozzle hole.

When the nozzle hole is opened, it communicates with the liquid supply pipe, and when it is closed, the nozzle hole communicates with the liquid supply pipe.

Therefore, when the nozzle hole is open, liquid can be supplied, and when it is closed, liquid supply is stopped.

Therefore, according to the present invention, it is possible to automatically start and stop the liquid supply upon movement of the cultivation bed.

As a result, the force required during cultivation work can be reduced compared to conventional techniques.

[Example] Hereinafter, an example of the present invention will be described in detail with reference to the drawings.However, the materials, shapes, and arrangement of one pair of rods of the components described in this example are Unless there is a specific description, the scope of the present invention is not intended to be limited thereto, but is merely an illustrative example of cp.

As shown in FIGS. 1(a) to 2(b), the liquid supply device according to this embodiment includes a main body portion 100 and a protrusion 200 provided on the cultivation head.

The main body 100 includes a cylinder 110 and a piston 1.
30, the contact rod 140, and the spring l50,
ing.

11Ti cylinder 110 has a substantially cylindrical shape,
The open part at one end is connected to the liquid supply pipe 300.The opening at the other end is connected to the contact rod 1.
40 is a hole into which it can be inserted. Also, 1
Line 1 Nozzle communicating with liquid supply pipe 300 a l l 1
is provided on the side surface of the cylinder 11O. A liquid supply nozzle 120 is provided on the side surface of the cylinder 110 so as to match the nozzle II+.

The piston 130 has a small diameter j' at the center in the sliding direction. I
(By installing 131, two sliding parts 132 and 132 that slide inside the cylinder 110 are formed. The sliding part 132 closes the nozzle hole Ill when it is located at the F-most end, and closes the nozzle hole Ill when it is located at the F-most end.
When the nozzle hole I11 is at one end, the nozzle hole I11 is opened.
, Sea urchin position 1-Rurano.

117i, the sliding portion 132 located on the side and the small diameter portion 131 form a liquid supply pipe +34.

Further, the small diameter portion 13+ is provided with a liquid supply hole 133 that communicates with the liquid supply pipe 300.

The contact rod 140 is connected to the piston 130 at one end thereof, and has an abutment portion 141 provided at the other end thereof. The contact portion 141 has a substantially hemispherical shape (C), is located outside the cylinder 110, and is provided on the contact rod 140 so that the spherical surface faces downward. The length of the contact rod 140 is such that when the contact part 141 is located at the lowest end, it is located between the upper end of the protrusion 200 and the 1st end to the cultivation bed. There is.

The spring 150 is interposed between the abutment part 141 and the cylinder 110 and has two parts. Further, the length of the spring 150 is longer than the distance between the lower end of the cylinder 11O and the abutment part 141 when the abutment part 141 is located at the lowest end in its natural length. It is. Note that in this embodiment, the spring 150 is provided in the liquid supply device, but
In the present invention, it is intended that the present invention can be carried out even if it is not provided.

1-1 This is because the contact rod 120 (j4) naturally falls due to gravity.

The cultivation bed A to which the liquid supply device supplies liquid has a protrusion 200 at its end.

The protrusion 200 has a substantially semicircular shape, and is provided so that the spherical surface faces toward the L direction. Further, the protrusion 20
A height of 0 means that when the abutment part 141 is located at one end of the protrusion, the sliding part 132 that is positioned in the - direction is ij.
The height is set such that the liquid supply hole 133 can be opened. In the present embodiment, the height of the liquid supply hole 200 is adjusted so that the liquid supply amount is 4" or Δ, but in the present invention, for example, the height of the liquid supply hole can be adjusted as well. Adjustment: 5 can be done with 3゛rotoka.

In addition, the bed A can be moved horizontally by the drive means.
It is very capable.

Next, the operation of the liquid supply device configured as shown in 1-7 (7) will be explained.
) and explain. .

The piston 130 located on one side slides in the downward direction -L within the puller 110.

Menji cultivation base Nodo A moves horizontally.

The protrusion 200 provided on the cultivation bed A is connected to the contact rod 14 by horizontal movement of the cultivation bed A.
The contact portion 141 provided at one end of the contact portion 141 is provided at one end of the contact portion 141.

The spring 150 biases the contact rod 12f].

The protruding portion 200 and the abutting portion 141 have a spherical surface at the portion where they abut. Therefore, the contact portion 141 can trace the surface of the protrusion 200 described in +iiij.

(7) Therefore, due to the upward and downward movements of the serious cultivation bed A, Δ is obtained.

The sliding part 132 located above the serious offender closes the nozzle box III when it is at the lowest position. When located, the nozzle hole Ill is opened.

The sliding part 132 located above the serious offender is connected to the nozzle hole Ill.
When the nozzle hole 111 is opened, the nozzle hole 111 is connected to the liquid supply pipe 30.
Since the home is connected to 0, the liquid supply is determined by 4, 2, and 2.

When the piston 130 provided on the -1 part of the contact rod 140 rises, the piston 130 that supplies liquid comes out. When the contact portion 141 separates from the protrusion 200, the spring 150 moves the contact rod 140 (
=I force j~, so the abutment rod 140 descends by 4 degrees again.

When the abutment rod 140 descends, the sliding portion +32 located at a position 4 on one side of the nozzle hole 1 descends as the contact rod 140 moves downward.
Block 11.

Stop the liquid supply with +l.

Next, regarding the operation of the liquid supply device configured as described in 1'-)
(explained using Figures 1(A) to 2(J))j
reactor.

Figure 1 (1') g< and Figure 2 (A) show the liquid supply stopped state, and Figure 1 (B) and Figure 2 ([1) show the liquid supply state. be.

When the liquid supply device is in the liquid supply 1F state, as shown in FIG. 1(a) and FIG. 2(a), the contact portion 14
1 is located at the lowest end, that is, between the upper end of the protrusion 200 and the upper end of the cultivation bed A.

Next, when the cultivation bed is horizontally moved in the direction of the arrow shown in FIG.
Start fluid supply.

Next, when the cultivation bed A moves in the direction of the arrow shown in FIG. 1(b), the contact rod 140 separates from the protrusion 200, stopping the liquid supply.

C) There is no need to move the water on the cultivation bed A to the grass.
Repeat the process.

Next, the effects of the configuration 1 and the liquid supply device as described above will be explained.

According to the liquid supply device according to the present embodiment, the work for starting or stopping the liquid supply can be performed automatically without requiring the movement of water for cultivation, so the labor in cultivation work can be reduced. This can be reduced compared to the conventional technology.

Furthermore, there is no need to close the liquid supply devices located at the four corners of the hydroponic cultivation device. Lid and horizontal transfer direction end 1. ″
When moving the cultivation bed in the opposite direction to the horizontal transfer direction to a row at -4°, the nutrient solution does not drip.
(2) This is to do the following.

Further, the spring +50 is applied to the contact rod 12 (
Since the spring 150 is biased, the liquid supply can be started or stopped more reliably than when the spring 150 is not provided.

In addition, since the liquid supply device is non-mechanical,
Compared to the case where the liquid supply device is composed of magnetic, electrical, and optical components, maintenance is required 4-4 times, and for the same reason, it is cheaper and easier to manufacture. Δ
You can do it. Therefore, manufacturing the liquid supply device,
Expenses for management, etc. can be kept lower compared to when the +iEj liquid supply device is configured magnetically or the like. Of course, it is possible to configure the liquid supply device by using detection means such as a magnetic sensor or an optical sensor.

In addition, in the present invention, the liquid supply device (Y) includes the above-mentioned screws.
30 is -1-rise], but the scope of the present invention is not limited thereto. It also includes the liquid supply 4 when the piston 130 moves downward.

Furthermore, the present invention provides such a cultivation vent A as shown in FIG.
f as shown in FIG. 2(B), for example,
It also includes cultivation troughs such as those shown in FIG. 5(A) and FIG. 5([7]) that are suitable for carrying out the present invention.

[Effects of the Invention 1] The present invention has the configuration 1 as described above. Therefore, the work for starting or stopping liquid supply can be automatically performed at t-1. As a result, according to the present invention, the labor required for cultivation work can be reduced compared to conventional techniques.

[Brief explanation of the drawings] Figures 1 (a) to 5 (b) show an embodiment of the present invention, and Figures 1 (a) and 1 (b) show a liquid supply. Front view of the device, Figure 2 (A) and Figure 2 (B) are side sectional views of the liquid supply device, Figure 3 (A) and Figure 3 (B).
are front views of the liquid supply device, Fig. 41 (a) and Fig. 4 (b)
is a side sectional view, FIG. 5(A) is a front view of the liquid supply device in the cultivation trough, FIG. 5(B) is a front view of the liquid supply device in the cultivation trough, and FIGS. 6 to 7(B) 6 shows a conventional example, FIG. 6 is a -V side view of the hydroponic cultivation device, FIG. 7 (A) is a front view of the liquid supply device, and FIG. 7 (B) is a side view of the liquid supply device. It is. 00 10 11 20 30 +31 32 +33 ・Cultivation bed, ・Cultivation trough, valve, liquid supply piping, ・・Main body, ・・Rinder・・Nozzle hole, ・・Nozzle, ・・... Piston, ... Small diameter part, ... Sliding part, ... Liquid supply hole, 4 ... Liquid supply pipe, 0 ... Contact rod, 1 ... ...Contact part, 0...Spring, 0...Protrusion, 0...Liquid supply piping,

Claims (1)

[Claims] A liquid supply device for supplying liquid to a plurality of cultivation beds for hydroponic cultivation, the liquid supply device comprising a protrusion provided on the cultivation bed and a main body. The main body includes a cylinder, a piston, a contact rod,
a nozzle; the cylinder is installed in a pipe for distributing the nutrient solution;
A nozzle hole is provided in the side surface of the cylinder, the piston is provided at one end of the contact rod and slides in the vertical direction within the cylinder, and the contact rod is provided at one end of the contact rod. One end protrudes from the cylinder, and is configured to come into contact with and separate from the protrusion when the cultivation bed moves, and the piston opens and closes the nozzle hole by vertical movement of the contact rod. liquid supply device.