JP6199781B2 - Mobile cultivation equipment - Google Patents

Description

  The present invention relates to a technique for adjusting the temperature of the topsoil of a planter to be circulated in a mobile cultivation apparatus.

  Conventionally, techniques for warming the periphery of a strawberry crown, increasing the plant height, and increasing the leaves are known. For example, it is the technique of patent document 1. FIG. The technology of Patent Document 1 is composed of a structure with a window having one or more windows and a passing medium through which a medium made of gas or liquid is passed, and is a space between the upper inner surface of the structure with a window and the culture medium. An environment-symbiotic space is formed, and the window and the structure with window can be divided into two or more. The temperature of the environment-symbiotic space is adjusted by sending the medium to the medium, and the temperature of the strawberry crown and its peripheral part is adjusted. I was trying to do. In such a configuration, when the technique is applied to a mobile cultivation apparatus that places a planter transplanted with strawberries on a cultivation bench and circulates the cultivation bench, the medium must be sent to the medium at a predetermined position. If the timing is shifted, there is a possibility that the medium cannot be sent to the medium.

JP 2010-268787 A

  A pipe for supplying a heat medium is laid on the planter of the cultivation bench in the mobile cultivation apparatus, and when the cultivation bench stops at a predetermined position, an attempt is made to reliably supply the heat medium to the pipe.

In Claim 1, it is provided in a house , is comprised in the closed loop shape by the 1st vertical conveyance apparatus, the 2nd vertical conveyance apparatus, the 1st horizontal conveyance apparatus, and the 2nd horizontal conveyance apparatus, and several cultivation benches A planter for cultivating a crop is placed on the cultivation bench, and the planter is supplied with a heat medium from a heat medium supply device to heat and cool the vicinity of the crop. The heat exchange pipe is laid, and the supply pipe for supplying the heat medium from the heat medium supply device is located on the side of the first vertical transfer device and the second vertical transfer device and from the first horizontal transfer device to the second. It is arranged between the horizontal conveying device, the supply pipe branches on the side of the plurality of cultivation benches, and is connected to the supply unit via a plurality of discharge valves, the discharge valve is connected to the control unit Connected, the cultivation bench stopped When the, the discharge valve is opened, in which the heat medium is supplied to the heat exchange pipe.

In Claim 2, the heat-medium receiving part which receives the heat medium from the said water supply part is provided in the end of the said heat exchange pipe, and the said heat medium is provided in said 1st vertical conveyance apparatus or a 2nd vertical conveyance apparatus. Stop position detecting means for detecting when the supply unit is positioned directly above the receiving unit as a stop position is provided .

  According to the present invention, when the cultivation bench stops, the supply of the heat medium is appropriately performed, and the heat medium is surely supplied to the heat exchange pipe without leaking or overflowing. The crop can be warmed or cooled.

The perspective view of a mobile cultivation apparatus. The perspective view of a cultivation bench. A side sectional view of a planter growing a strawberry. The perspective view which shows a cultivation bench and a heat carrier supply apparatus. The side view which provided the stop position detection means in the conveying apparatus.

  Below, with reference to FIG. 1, the mobile cultivation apparatus 1 provided with the heat exchange pipe 30 for heating or cooling the crown part of the strawberry which concerns on this invention is demonstrated. As shown in FIG. 1 and FIG. 2, the mobile cultivation apparatus 1 includes a planter 2 for cultivating vegetables, a cultivation bench 10... The first vertical transport device 20A, the second vertical transport device 20B, the first horizontal transport device 40A, the second horizontal transport device 40B, the control device 52, the chemical solution supply device 53, the heat medium supply device 60, and the water supply device (not shown) And a control unit 70 for controlling the transfer device, the control device, and the like, and a house 8 for covering them. The mobile cultivation apparatus 1 can be applied to hydroponics and upland cultivation.

  The pair of first horizontal transfer device 40A and second horizontal transfer device 40B are arranged in parallel to each other with a space in the front-rear direction. 40 A of 1st horizontal conveying apparatuses and 40B of 2nd horizontal conveying apparatuses are arrange | positioned so that the conveyance direction of the cultivation bench 10 may become mutually parallel. 40 A of 1st horizontal conveyance apparatuses and 40B of 2nd horizontal conveyance apparatuses convey the cultivation bench 10 in the left-right direction, and convey mutually reversely.

  The pair of first vertical transfer device 20A and second vertical transfer device 20B are provided between the first horizontal transfer device 40A and the second horizontal transfer device 40B, and are arranged in parallel to each other with a space in the left-right direction. Is done. The first vertical conveyance device 20A and the second vertical conveyance device 20B guide the cultivation bench 10 in the front-rear direction.

  The first vertical transfer device 20A is provided between the downstream portion of the first horizontal transfer device 40A and the upstream portion of the second horizontal transfer device 40B, and from the downstream portion of the first horizontal transfer device 40A to the second horizontal transfer device 40B. The cultivation bench 10 is guided to the upstream part. The second vertical transfer device 20B is provided between the downstream portion of the second horizontal transfer device 40B and the upstream portion of the first horizontal transfer device 40A, and from the downstream portion of the second horizontal transfer device 40B to the first horizontal transfer device 40A. The cultivation bench 10 is guided to the upstream part.

  The first horizontal conveying device 40A / second horizontal conveying device 40B and the first vertical conveying device 20A / second vertical conveying device 20B are configured in a closed loop shape for circulating and conveying the plurality of cultivation benches 10. The cultivation bench 10 is cyclically conveyed in the order of the first horizontal conveying device 40A → first vertical conveying device 20A → second horizontal conveying device 40B → second vertical conveying device 20B → first horizontal conveying device 40A →. .

  Below, the cultivation bench 10 is demonstrated. As shown in FIG. 2, the cultivation bench 10 includes a planter 2 that has an upward opening and is a horizontally long container, and a frame frame 11 that has a horizontally long box frame in which the planter 2 is accommodated. The planter 2 accommodates soil for cultivation (medium), and a discharge hole for discharging excess water and chemicals to the outside is formed on the bottom surface. At the front and rear edge portions of the upper surface of the planter 2, locking piece portions (not shown) that engage with the horizontally long upper frame 12 that constitutes the upper surface side of the frame frame 11 are formed. The planter 2 is supported by the cultivation bench 10 by hooking and engaging the locking piece with the upper frame 12.

  A wheel 13 as a sliding body that slides the cultivation bench 10 on the first vertical conveyance device 20A and the second vertical conveyance device 20B is provided on the horizontally long lower frame 18 constituting the lower surface side of the frame 11 of the cultivation bench 10. A total of four sets of two are attached. The four sets of wheels 13 are arranged side by side in the lateral direction of the cultivation bench 10 at intervals according to the width of the guide rails 35 and 35B of the first vertical transfer device 20A (second vertical transfer device 20B). The sliding body is not limited to the wheel 13 and may be a roller, a slider, a roller, or the like. On the upper surface side of the lower frame 18, a receiving rod 14 for collecting excess water and chemicals discharged from the discharge hole on the lower surface of the planter 2 is attached. The water and chemicals collected in the receiving basket 14 of each cultivation bench 10 are collected in a collection basket extending along the longitudinal direction (vertical direction) of the second vertical conveying device 20B and the second vertical conveying device 20B.

  In the cultivation bench 10, a contact frame 19 is fixed to a midway portion of the front lower frame 18. The contact frame 19 is formed in a U-shape when viewed from above, and projects forward from the lower frame 18. The horizontal pipe portion 19a at the tip of the contact frame 19 is configured to be able to contact the lower frame 18 of the cultivation bench 10 existing in the front on the first vertical transfer device 20A and the second vertical transfer device 20B. Thereby, the front-rear space | interval of the cultivation benches 10 * 10 adjacent before and behind is ensured on 20A of 1st vertical conveyance apparatuses, and the 2nd vertical conveyance apparatus 20B.

  The control device 52 is disposed at a substantially central portion in the left-right direction of the second lateral conveyance device 40B, and sprays a control agent (a drug that prevents plant disease and insect damage). The chemical solution supply device 53 is disposed at a substantially central portion in the left-right direction of the second horizontal conveyance device 40B. The house 8 is made of wood or steel, and the housing is covered with a synthetic resin film, or covered with glass or a transparent resin plate to form a hut, avoiding rain and wind, and keeping warm and warming. I can do it.

  The planter 2 is a container for growing plants (vegetables). As shown in FIG. 2, the outer shape of the planter 2 is short in the vertical direction and long in the horizontal direction. More specifically, the outer shape of the planter 2 has a quadrangular frustum shape in which the length of the lower surface in the vertical direction and the horizontal direction is smaller than the upper surface thereof, and a space is formed inside the planter 2. A soil (medium) is accommodated in a space formed inside the planter 2, and vegetables (strawberry) are planted in the soil. In addition, the planter 2 of this embodiment is used for the use which grows the strawberry 3 (FIG. 3).

  In the present embodiment in FIGS. 3, 4, and 5, the heat exchange pipe 30 is attached on the medium topsoil in order to heat or cool the crown portion 3 a of the strawberry 3. The crown is the rhizome part of the strawberry stem. By warming this crown portion, the plant height can be increased, the leaves can be enlarged, and the inflorescence can be brought out quickly. However, the structure which embeds the heat exchange pipe 30 in a culture medium and heats a culture medium may be sufficient. The heat medium that circulates the heat exchange pipe 30 is water in this embodiment, and warm water flows when warming, and cold water flows when cooling.

  As shown in FIGS. 3 and 4, a heat exchange pipe 30 is attached to the planter 2. The heat exchange pipe 30 is composed of a steel pipe having a high thermal conductivity. The heat exchange pipe 30 may have a structure in which fins are provided to further promote heat exchange. The heat exchange pipe 30 is arranged along the longitudinal direction of the planter 2 so as to be in the vicinity of the strawberry crown portion 3a in the vicinity of the surface of the culture medium, and is installed on the side surface of the planter 2 and the left and right central partitions.

  A water supply pipe 30a communicates with one end (the heat medium supply side) of the heat exchange pipe 30, the water supply pipe 30a is bent upward, and a heat medium receiving portion 31 for receiving the heat medium is provided at the upper end. . The heat medium receiving portion 31 is formed in a funnel shape, and the upper side has a large opening so that it can be supplied without leakage from the supply portion 33.

  A drain pipe 30b communicates with the other end (heat medium discharge side) of the heat exchange pipe 30. The drain pipe 30b penetrates the side surface of the planter 2, is bent downward, and extends downward. Below the drain pipe 30b, a discharge receptacle 32 for discharging the heat medium after heat exchange is provided.

  The discharge receiver 32 is configured in a bowl shape, and is disposed below one side of the first vertical transport device 20A and the second vertical transport device 20B in parallel with the transport direction so that it can always receive a heat medium.

  The configuration of the heat medium supply device 60 that supplies the waste medium to the heat exchange pipe 30 will be described with reference to FIG. The heat medium supply device 60 includes a tank 61 that stores the heat medium, a heat pump 62 that heats or cools the heat medium, a pump 63 that pumps the heat medium, a pipe (a supply pipe 64 and a return pipe 66), and a control unit 70.

The heat medium in the tank 61 is heated or cooled by a heat pump 62 serving as a temperature adjusting means and is maintained at a set temperature. However, the temperature adjustment means is not limited to the heat pump 62, and a heater or the like can also be used. A water absorption pipe 65 communicates with the upper and lower parts of the tank 61, and communicates with a water intake port of the pump 63 via a switching valve 67. The switching valve 67 is composed of an electromagnetic valve and is connected to the control unit 70 and controlled. The switching valve 63 is controlled by the control unit 70 so that the upper water suction pipe 65 communicates with the pump 63 when hot water is taken out and the lower water suction pipe 65 communicates with the pump 63 when cold water is taken out. . The pump 63 is driven by a motor, and the motor is connected to the control unit 70. One end of a supply pipe 64 is connected to the discharge port of the pump 63, and the other end of the supply pipe 64 is extended to the first vertical conveyance device 20A and the second vertical conveyance device 20B . .. Are branched and connected to supply units 33, 33... Via discharge valves 68, 68. The discharge valve 68 is an electromagnetic valve and is connected to the control unit 70.

  The heat medium supplied to the supply unit 33 circulates in the heat exchange pipe 30 via the heat medium receiving unit 31, is discharged to the discharge receiver 32 provided below the drain pipe 30 b, and the other end of the discharge receiver 32. Is connected to the return pipe 66 and returned to the tank 61 through the return pipe 66.

  The control unit 70 includes a temperature sensor (not shown), a first vertical transfer device 20A, a second vertical transfer device 20B, a first horizontal transfer device 40A, a second horizontal transfer device 40B, a heat pump 62, a pump 63, a switching valve 67, The discharge valve 68 is connected to the tank 61 to adjust the temperature in the tank 61, press the heat medium from the tank 61, switch between hot water and cold water supplied from the tank 61, and supply water from the supply unit 33. The operation is controlled.

  The control unit 70 controls the operation of the heat pump 62 to control the temperature of the heat medium so that the crop has a desired temperature in accordance with the house temperature and the like, and the operation of the switching valve 67 that switches between hot water and cold water. To control. When the cultivation bench 11 stops at a predetermined position and the heat medium supply device 60 and the heat exchange pipe 30 are connected, the pump 63, the switching valve 67, and the pump 63 so that the heat medium stored in the tank 61 can be pumped. The discharge valve 68 is controlled so that the heat medium can be supplied to the heat medium receiver 31.

  That is, the first vertical conveying device 20A and the second vertical conveying device 20B repeat the expansion and contraction of the moving cylinder 24 (FIG. 5) at a predetermined interval, thereby moving the cultivation bench 10 a predetermined distance (for one cultivation bench 10). Move. Therefore, the supply part 33 is arrange | positioned for every predetermined space | interval by which the cultivation bench 10 is moved, and the supply part 33 is located right above the water supply pipe 30a of the heat exchange pipe 30 at the time of a stop. Therefore, when the stop position of any one of the cultivation benches 10 is detected by the stop position detection means 80, the pump 63 is driven, the discharge valve 68 is opened, a predetermined amount of heat medium is discharged, and the moving cylinder 24 is driven. Before starting, the pump 63 is stopped and the discharge valve 68 is also closed. Thus, the strawberry can be efficiently warmed or cooled without spilling the heat medium.

The stop position detection means 80 which detects the stop position of the said cultivation bench 10 is demonstrated.
As shown in FIG. 5, the stop position detecting means 80 is configured by a limit switch 81, and the limit switch 81 is arranged at any one stop position of the cultivation bench 10. The limit switch 81 is fixed to the transport frame of the first vertical transport device 20A or the second vertical transport device 20B. Thus, when the frame frame 11 (for example, the lower frame 18) of the cultivation bench 10 contacts the sensing part 81a of the limit switch 81, the limit switch 81 is turned on, the discharge valve 68 is opened, and the heat medium is supplied to the heat exchange pipe 30. Supplied.

  The stop position detecting means 80 can also use a non-contact type sensor. For example, when using the optical sensor 82, the stop position detection means 80 is arrange | positioned to the side of the cultivation bench 10, and the water supply pipe 30a or the drain pipe 30b (the frame frame 11 grade | etc.,) Can project light. The stop of the cultivation bench 10 is detected by blocking. Moreover, when using a magnetic sensor, a magnetic sensor is arrange | positioned to the side of the cultivation bench 10, a magnet is arrange | positioned in the suitable position of the frame frame 11 of the position where the cultivation bench 10 stopped, and the stop position detection means 80 uses it. It can also comprise so that the stop of the cultivation bench 10 may be detected.

  As described above, the mobile cultivation apparatus 1 is provided in the house 8 and circulates and conveys the plurality of cultivation benches 10, 10... By the conveyance apparatuses 20 </ b> A, 20 </ b> B, 40 </ b> A, 40 </ b> B. A planter 2 for cultivating a crop is placed, and each planter 2 is provided with a heat exchange pipe 30 for circulating a heat medium to heat and cool the vicinity of the crop, and one end of the heat exchange pipe 30 receives the heat medium. A drain pipe 30b serving as a discharge port is provided at the other end, and the first vertical transport device 20A or the second vertical transport device 20B includes the heat medium receiving unit 31 and the supply unit 33, Since the stop position detection means 80 which stops at the position where the said drain pipe 30b and the discharge receptacle 32 are connected facing each other is provided, the stop position of the cultivation bench 10 is accurately detected, and heat exchange is performed from the heat medium supply device 60. pipe Inheritance to 0 is performed reliably, it is efficiently heated or cooled without heat medium leakage.

  Moreover, since the said stop position detection means 80 is arrange | positioned in any one stop position of the some cultivation bench 10,10 ..., the stop position of the some cultivation bench 10 is the one stop position detection means 80. Obviously, the wiring can be shortened, and by connecting with the control device, it becomes possible to interlock with other actuators, and the control configuration can be simplified.

  Further, since the stop position detecting means 80 is composed of a non-contact type sensor, it is possible to prevent contact failure and detect the position reliably.

DESCRIPTION OF SYMBOLS 1 Mobile cultivation apparatus 2 Planter 3 Strawberry 8 House 10 Cultivation bench 30 Heat exchange pipe 30b Drain pipe 31 Heat medium receiving part 32 Discharge receiving 33 Supply part

Claims (2)

Mobile cultivation that is provided in the house and is configured in a closed loop by the first vertical conveying device, the second vertical conveying device, the first horizontal conveying device, and the second horizontal conveying device, and circulates and conveys a plurality of cultivation benches. A device,
A planter for cultivating crops is placed on the cultivation bench,
The planter is laid with a heat exchange pipe that heats and cools the vicinity of the crop by supplying a heat medium from a heat medium supply device,
A supply pipe for supplying a heat medium from the heat medium supply device is disposed between the first horizontal conveyance device and the second horizontal conveyance device on the side of the first vertical conveyance device and the second vertical conveyance device. And
The supply pipe branches on the side of the plurality of cultivation benches and is connected to the supply unit via a plurality of discharge valves.
The mobile cultivation apparatus , wherein the discharge valve is connected to a control unit, and when the cultivation bench is stopped, the discharge valve is opened and a heat medium is supplied to the heat exchange pipe . One end of the heat exchange pipe is provided with a heat medium receiving unit that receives a heat medium from the water supply unit,
The first vertical transfer device or the second vertical transfer device is provided with stop position detection means for detecting when the supply unit is positioned directly above the heat medium receiving unit as a stop position. Item 3. The mobile cultivation apparatus according to Item 1.

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