JPS58101621A - Seedling rowing device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to an α-bacterial vessel molded from a plastic material, which is used for germination and growth of soybeans.

(2) Technical background of the invention and its problems As is well known, the seedling nursery contains bedding soil or Song soil substitute.
It is used for the germination and growth of plants by covering soil, transplanting seedlings, flooding, and controlling water.It is used for raising rice seedlings, vegetable seedlings, and other Fi+? Applicable to growing seedlings and growing things. Many of these rod seedlings, especially near fJ, are made of plastic due to ease of processing and cost. On the other hand, 4df: proboscis (nf
Depending on the ode or tokiho, there are many that require addition y=, f. However, this heating requires various equipment such as oil zeilers, electric zeiras, heaters, etc., which are not only expensive (but also have the disadvantage that the handling and maintenance of these equipments are complicated). Another disadvantage was that plastic tube CTl1 devices generally have poor thermal conductivity and are unsuitable for heating.

Purpose of the Invention The purpose of the present invention is to eliminate all of the above problems and to improve heating efficiency.
The object of the present invention is to provide a seedling raising device that is inexpensive and easy to handle.

One aspect of the invention is to accomplish the above objects.The invention is a seedling raising device in which at least a portion thereof is made of a resistance-generating plastic material. Further, the seedling raising device of the present invention is provided with at least one pair of poles.Furthermore, according to the present invention, an electric edge coating layer is formed on the molded body of the folded heat-generating plastic material.

As the resistance heating plastic material of the seedling nursery of the present invention, for example, a conductive polypropylene pellet manufactured and sold under the part name [CAPREZ-I) PP J by MPD-TechnoloKV, USA, can be used.

Actual Example of the Invention FIG. 1 shows the principle of a first embodiment of the invention. This seedling raising device 1 has the shape of a square glass with an open top, and all five sides are made of the above-mentioned molded body of the resistance heating plastic material. As is well known in this persimmon seedling nursery, drainage holes 2 of an appropriate size and appropriate sand are provided on the bottom as necessary. Furthermore, this education'
? At least one pair of electrodes are provided at appropriate positions on the M"-yl, taking into consideration the applied voltage, current, six lances, amount of heat generated, etc. In this embodiment, at both longitudinal ends and in the center, the bottom surface Electrodes 3.4 and 5 are provided from the side to the side.The electrodes 3.4 are connected in common, and the electrodes 5 and 5 are connected in common.
A low voltage of 24 V 8 g is supplied from an AC power source 6 via a transformer 7 between the two. Although not shown in the drawings, the temperature side section 1 may be configured to be able to turn on and off the power by means of a temperature switch that responds to the temperature within the seedling grower, if necessary. ' O1 ■ Description [CAPREZ-DPP J is the conductivity of the product name? For example, a type of resin with a resistivity of about 10 ohms is sold, and this resistivity, the wall thickness of the seedling nursery, the necessary heat generation, and the current balance (generated heat) and lance. Taking these into consideration, you can determine the electrode position, electrode shape, etc., or (・), and then determine the applied voltage. Of course, these parameters must be determined on a case-by-case basis, or All other parameters can also be determined based on what is shown.

It is preferable to provide polarization as shown in the figure because it is easy to measure and control the heat generated, but in some cases
t4L can also be omitted. In that case, power can be supplied by laying down a suitable part of the seedling nursery using a clip, for example.

Electric i3 and 4.5 are embedded in a molded body made of resistance-generating plastic material, and have a structure in which only the part used as an external terminal is fully exposed, and a type that is embedded in a molded body made of a resistance-generating plastic material, and a type in which only the part used as an external terminal is fully exposed, and a type that is embedded in a molded body made of a resistance-generating plastic material, and a type that is constructed by plating or pasting on the surface of the molded body. There may be structures that are additionally formed in a process separate from molding. In the former case, it is useful to apply an electrically insulating coating on the surface of the molded body to prevent accidents such as electrical shock and short circuits. This burying method is useful for preventing rust and deterioration of the electrode material.

FIG. 2 shows an embodiment in which the present invention is applied to a so-called flowerpot-shaped seedling raising device having a truncated conical shape. This seedling raising device 10 is provided with 'fJL poles 12 and 13 running between the upper and lower sides at two opposing locations on the side wall 11 that equally divide the circumferential direction. In this case, the bottom part 15 with the drain hole 14 may be made of the same material as the side wall 11, ie, a folded heat-generating plastic material, but it may also be made of a normal insulating plastic material. The bottom of the latter for uniform heat generation? It may be more preferable to use one edge material type.

In order to achieve even more uniform heat generation in a truncated conical seedling grower, as shown in 3 [%l], ring-shaped electrodes 16° and 17 which run in the circumferential direction are provided at the upper and lower ends. It is better. Optionally, one or more additional electrodes may be provided between the two electrodes 16 and 17.

FIGS. 4 and 5 show preferred implementation sides when the seedling raising device of the present invention is placed on a flat surface.

Electrodes 21 and 22 are provided on both ends of the lower surface of each of the Yf seedlings having a small shape. These Iku 6[20 are arranged on separate power supply stands. The power feeding stand is made of an insulating material, and has a side wall and a partition 26 for partitioning the seedling raising apparatus in a direction perpendicular to the direction in which the seedling raising apparatus is arranged in a manner corresponding to the width dimension of the seedling raising apparatus. Furthermore, on the bottom of each power supply stand are polarization electrodes 27 and 28 corresponding to the electrodes 21 and 22 of the seedling grower.
are provided along the direction in which the seedling raising devices are arranged side by side. In such a configuration, by placing the seedling raising device 20 on the power feeding stand 24 in an order of 1111 such that the electrodes on both the power supply side and the seedling raising device side face each other at a position tN, one of each seedling raising device is placed. This @21.22 is caused by the weight of the seedling nursery (including the weight of the soil stored inside) of the power supply stand 24 r[+:
Temporary 27, 2)'t automatically contact. therefore,
RL@ for each supply area! 27.28 to external terminal 30.3
1i, and by applying the full voltage to this, it is possible to supply power to each seedling raising device 2(l).In addition, if a drainage hole is provided on the bottom of the seedling raising device, the water that falls from there will drain into the electrode. 27, 2H, it is recommended to provide an appropriate barrier 29 on the bottom of the base, and also provide a drainage hole in the power supply base 24.Since the power supply base 24 uses low voltage, it is recommended to place it on the ground or Angle or flat holes made of iron or aluminum are placed on the vinyl film laid on the floor.
etc. can be easily constructed using only iW<.

FIG. 6 shows an implementation in which, when a large number of seedling raising devices are arranged side by side, oxygen is supplied from the side of the seedling raising device.

Each seedling grower 35 has a pair of electrode terminals 36 on its side.
, 37 are provided, and the electrode terminal is provided in a terminal receiver 39 which also serves as a positioning member and is provided corresponding to the side wall of the power supply stand μs.
, 40. Terminal receiver 39.4θ is electrode terminal 3
6 and 37 so as to have spring properties. The terminal receiver 39, 4-O has a fourth
As in the case shown in the figure, power is supplied to all valves through a common external terminal (not shown).

FIG. 7 and FIG. 8 show an embodiment in which a plurality of seedling raising devices 50'i are arranged in a stacked manner. 50 individual seedlings
An upper electrode 52 and a lower FK pole 53, which are drowsily connected to 'f(i, A@51) provided on the side wall and bottom surface, are formed and led out on the upper end surface and the lower surface of the side portion.

When the seedling raising devices 50 are stacked, the top S of the lower seedling raising device is
A lower electrode 53 of the upper seedling grower contacts the electrode 52.

Therefore, the bottom or top ′ when stacked:
An external terminal 54 is led out from the pole, through which power can be supplied to each seedling grower.

Figure 9 shows a 16ft protruding edge on the upper end and 57 feet on the outer periphery of the lower surface.
This shows an embodiment in which seedling raising devices 55 having the following configurations are arranged in a stacked manner. An upper electrode 59 and a lower birch 60 that are electrically connected to the wire 58 running up and down the side wall are located on the inner side of the upper end surface and the outer end of the lower surface of the seedling nursery h5, at positions directly above and directly below the 111i walls, respectively. Formed and exposed.

Therefore, by stacking several seedling raising devices 55, the electrodes 58 of each seedling raising device are automatically brought into contact. In that case,
The legs 57 serve as planar positioning members or anti-slip members between the seedling growers. A power supply stand can also be used in the case of a stacked arrangement. In this example, the lowest level Ken V
A power supply stand b1 is used, which is provided with power supply electrodes 62 that face and contact the lower part of the three devices. The feed stand fil is provided with a barrier for protection and water drain holes as necessary.

It should be noted that for the first few seedlings 4 that are placed or stacked as described above, a feeding stand is not used (of course, there is also a method of feeding the seedlings individually).

The seedling raising device of the present invention has a structure in which a cut is made in the bottom, etc., and the seedlings are pushed downward by pushing the seedling container from above, and then loaded into the automatic planting rock.
Can you make the town easier?

Effects of the Invention Since the seedling raising device of the present invention described above is composed of a resistance-heating plastic material, it is self-heating and does not require equipment such as a zeiler or heater that was conventionally required for heating. It is safe from a security point of view because it can be heated sufficiently with a power supply of about 211 telts. Furthermore, even if the seedling raising device of the present invention does not require any special temperature control means, it has a self-control function of the temperature, that is, the amount of heat generated, due to the positive resistance temperature coefficient characteristic of the material of the seedling device itself. This has the effect of leading to savings.

[Brief explanation of the drawing]

Fig. 1 is an oblique ts diagram showing one embodiment of the present invention, Figs. 2 and 3 are oblique q and side views respectively showing other different embodiments of the present invention, and Fig. 4 is an oblique TS diagram showing an embodiment of the present invention. Figure 5 is a flat front view showing an example in which all of the seedling raising devices are arranged side by side.
Fig. 6 is a plan view showing another embodiment of Fig. 4, Fig. 7 is a side sectional view showing an embodiment in which a plurality of seedling raising devices are loaded and arranged in a vehicle. , Asahi 8 shows the main parts of Fig. 7, 1, 10, 2f'l, 35, 50,
55... Seedling raising device, 3,4゜5, 12, 13, 1
6, 17...' Seiji. Applicant Kiyoshi Inomata Figure 5 Figure 8 97-

Claims (1)

[Claims] 1. In a seedling nursery made of molded plastic material,
A seedling raising device characterized in that at least a portion of the device is made of a resistance-generating plastic material. 2. In a seedling nursery made of molded plastic material,
A small (partially made of a resistance heating plastic material) and a pair of feeding poles (a pair of feeding poles) spaced apart from each other are provided on the molded body portion made of this resistance heating plastic material. 3. A part of the electrode is extended to form an electric terminal, and the other part is embedded in the molded body of the resistance heating plastic material. The luxury device according to claim 2. 4. The electrode is formed on the surface of the molded body of the heat-resistant plastic material. (1)
A seedling raising device according to claim 2. 5. In a seedling nursery made of molded plastic material,
At least a pair of electrodes for picking up electricity are provided in a spaced apart position on the molded body of the resistance heating plastic material, and the resistive heating A blue device characterized by forming an insulating coating layer on the molded body of plastic material. 6. A part of the 'electrode' is exposed to form a power terminal, and the other part is the resistive heating element. The method of claim 5 is characterized in that the method is embedded in a molded body of a plastic material or under a coating layer.