JP2020198811A - Protected horticulture air conditioning system - Google Patents

Abstract

To provide a protected horticulture air conditioning system capable of performing air conditioning to any region in a protected horticulture space.SOLUTION: A protected horticulture air conditioning system 1 comprises: an air conditioner 10 for performing at least one of warming, cooling, humidification, dehumidification, supplying of carbon dioxide, flowing of air, and ventilation in a vinyl house 100 being one example of a protected horticulture space: a plurality of ducts 20 (20-1, 20-2, 20-11) for flowing a gas supplied from the air conditioner 10; and a plurality of duct coupling units 30 (duct coupling units 30-1, 30-2, 30-3, 30-4) to which at least three ducts are coupled out of the plurality of ducts 20. Each of the plurality of duct coupling units 30 comprises electromagnetic valves 31, 32, 33 being one example of flow rate adjusting means for adjusting flow rates of first channels P11, P21, P31, P41 being continuous to the second ducts from the first ducts, and flow rates of second channels P12, P22, P32, P42 being continuous to the third ducts from the first ducts.SELECTED DRAWING: Figure 1

Description

The present invention relates to an air conditioning system for facility horticulture arranged in a facility horticultural space such as a vinyl house.

Conventionally, a duct for supplying warm air from a heater, a duct for supplying carbon dioxide from a carbon dioxide generator, and the like are laid in the facility gardening space (see, for example, Patent Documents 1 and 2). ..

Japanese Unexamined Patent Publication No. 2013-188190 JP-A-2018-7573

By the way, in the facility horticultural space, parameters (environmental information) such as temperature, humidity (saturation), and carbon dioxide concentration must be uniform in order to prevent uneven growth of cultivated crops and spread of diseases. desirable.

However, the wider the interior of the facility gardening space, the more uneven temperature, humidity, carbon dioxide concentration, etc. will occur due to the location of devices such as heaters and the influence of sunlight, and even if environmental information is acquired by the sensor. , A heater, a cooler, a humidifier (mist generator), a dehumidifier, a carbon dioxide generator, a blower, a ventilation device, etc., only gas is supplied to the entire facility gardening space through the above-mentioned duct. ..

An object of the present invention is to provide an air conditioning system for facility gardening capable of performing air conditioning in an arbitrary area in a facility gardening space.

In one embodiment, the facility garden air conditioning system is supplied by an air conditioner that performs at least one of heating, cooling, humidification, dehumidification, carbon dioxide supply, air flow, and ventilation in the facility garden space, and the air conditioner. A plurality of ducts for flowing a gas, and a plurality of duct connecting devices to which at least three ducts of the plurality of ducts are connected are provided, and each of the plurality of duct connecting devices is connected from a first duct. It has a flow rate adjusting means for adjusting the flow rate of the first flow path following the second duct and the flow rate of the second flow path from the first duct to the third duct.

According to the above aspect, air conditioning in any area can be performed in the facility horticultural space.

It is a top view which shows the air-conditioning system for facility horticulture which concerns on one Embodiment. (A) to (d) are explanatory views which show the duct connection apparatus in one Embodiment. It is explanatory drawing which shows the duct connector in one Embodiment.

Hereinafter, the facility horticultural air conditioning system according to the embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a plan view showing an air conditioning system 1 for facility horticulture according to an embodiment.
2 (a) to 2 (d) are explanatory views showing a duct connecting device 30 in one embodiment.

As shown in FIG. 1, the facility gardening air conditioning system 1 includes an air conditioner 10, a plurality of ducts 20 (20-1, 20-2, ..., 20-11), and a plurality of duct connecting devices 30. (30-1, 30-2, 30-3, 30-4, 30-5) and a control panel 40 are provided.

The air conditioner 10 is arranged on the peripheral edge of the vinyl house 100. The air conditioner 10 is, for example, a heater, but may be a cooler, a humidifier (mist generator), a dehumidifier, a carbon dioxide generator, a blower, a ventilation device, or the like. That is, the air conditioner 10 may perform at least one of heating, cooling, humidification, dehumidification, carbon dioxide supply, air flow, and ventilation in the vinyl house 100, which is an example of the facility gardening space. Further, the facility horticultural air conditioning system 1 may include a plurality of air conditioners 10.

The plurality of ducts 20 are, for example, ducts 20-1, 20-3, 20-4, 20-6, 20-8, 20-10 arranged along the peripheral edge in the vinyl house 100, for example, FIG. It has ducts 20-2, 20-5, 20-7, 20-9, 20-11 extending in the left-right direction in the above, and allows gas supplied from the air conditioner 10 to flow.

The ducts 20-1, 20-3, 20-4, 20-6, 20-8, 20-10 arranged along the peripheral edge in the vinyl house 100 are the duct connecting device 30-1 and the air conditioner 10. Between the duct 20-1 arranged between the duct 20-3 arranged between the duct connecting device 30-1 and the duct connecting device 30-3, and between the air conditioner 10 and the duct connecting device 30-2. Duct 20-4 arranged in, duct 20-6 arranged between duct connecting device 30-2 and duct connecting device 30-4, duct connecting device 30-3 and duct connecting device 30-5. Includes a duct 20-8 arranged between the two, and a duct 20-10 having one end connected to the duct connecting device 30-4 and the other end open.

Further, the ducts 20-2, 20-5, 20-7, 20-9, 20-11 extending in the left-right direction in FIG. 1 have one end of the duct 20-2 connected to the duct connecting device 30-1 and one end thereof. 20-5 connected to the duct connecting device 30-2, duct 20-7 having one end connected to the duct connecting device 30-3, and duct 20- having one end connected to the duct connecting device 30-4. 9 and a duct 20-11 having one end connected to the duct connecting device 30-5.

As an example, the ducts 20-1, 20-3, 20-4, 20-6, 20-8, 20-10 arranged along the peripheral edge in the greenhouse 100 are made of a hard plastic material. Become. On the other hand, the ducts 20-2, 20-5, 20-7, 20-9, 20-11 extending in the left-right direction in FIG. 1 can be said to be easily stepped on in the vinyl house 100, so vinyl or the like can be used. It consists of a flexible material.

The ducts 20-2, 20-5, 20-7, 20-9, 20-11 extending in the left-right direction have a plurality of outlets 20-2a, 20-5a, 20-7a, 20-9a for blowing out gas. , 20-11a. These outlets 20-2a, 20-5a, 20-7a, 20-9a, 20-11a extend in the longitudinal direction of the ducts 20-2, 20-5, 20-7, 20-9, 20-11. The density of the gas blown out is higher on the downstream side than on the upstream side of the flow path continuing from the air conditioner 10 so that the amount of gas blown out approaches constant. Further, of the ducts 20-2, 20-5, 20-7, 20-9, 20-11, the other end opposite to one end connected to the duct connecting device 30 is open.

The plurality of duct connecting devices 30 are arranged on the peripheral edge of the vinyl house 100, for example. Each of the plurality of duct connecting devices 30 can be the same product (same shape) as each other.

The plurality of duct connecting devices 30 include a duct connecting device 30-1 to which three ducts 20-1, 20-2, 20-3 are connected, and three ducts 20-4, 20-5, 20-6. Duct connection device 30-2 to which is connected, duct connection device 30-3 to which three ducts 20-3, 20-7, 20-8 are connected, and three ducts 20-6, 20-9. , 20-10 is connected to the duct connecting device 30-4, and two ducts 20-8, 20-11 are connected to the duct connecting device 30-5. At least three ducts may be connected to each of the plurality of duct connecting devices 30. For example, when the duct connecting device 30 is arranged in the center of the vinyl house 100, it is preferable that four or more ducts are connected to the front, back, left and right. Since the duct connection device 30-5 is arranged at the corner in the vinyl house 100, only two ducts 20-8 and 20-11 are connected, but the duct connection device 30-5 has three duct connection ports.

As shown in FIGS. 2A to 2D, the duct connecting device 30 includes solenoid valves 31, 32, 33, fans 34, 35, 36, and an electric heating coil 37. Further, the duct connecting device 30 is provided with three duct connecting ports 30a, 30b and 30c.

The solenoid valve 31 opens and closes the flow path passing through the duct connection port 30a, the solenoid valve 32 opens and closes the flow path passing through the duct connection port 30b, and the solenoid valve 33 opens and closes the flow path passing through the duct connection port 30c. ..

When the duct connection port 30a is on the upstream side of the flow path and the duct connection ports 30b and 30c are on the downstream side of the flow path, when the electromagnetic valves 31 and 32 are open as shown in FIG. A first flow path P1 is opened from the duct 20 (first duct) connected to the port 30a to the duct 20 (second duct) connected to the duct connection port 30b. Further, as shown in FIG. 2C, when the solenoid valves 31 and 33 are open, the duct 20 connected to the duct connection port 30a (first duct) is connected to the duct connection port 30c. The second flow path P2 following (third duct) opens. Further, as shown in FIG. 2D, when all the electromagnetic valves 31, 32, 33 are open, the duct 20 (first duct) connected to the duct connection port 30a is connected to the duct connection port 30b. The first flow path P1 following the duct 20 (second duct) and the duct 20 (third) connected to the duct connection port 30c from the duct 20 (first duct) connected to the duct connection port 30a. Both of the second flow paths P2 following the duct) are opened.

As described above, the solenoid valves 31, 32, 33 have the flow rate of the first flow path from the first duct to the second duct and the flow rate of the second flow path from the first duct to the third duct. It functions as an example of a flow rate adjusting means for adjusting the flow rate.

When the opening amount of the solenoid valves 31, 32, 33 is variable, the flow rates of the first flow path P1 and the second flow path P2 can be adjusted more finely.

The flow rate adjusting means may be an opening / closing member (for example, a damper) that can move between the position where the flow path is opened and the position where the flow path is closed, and is not limited to the solenoid valves 31, 32, 33.

In the duct connecting devices 30-1, 30-2, 30-3, and 30-4 shown in FIG. 1, the solenoid valves 31, 32, and 33 are the flow rates of the first flow paths P11, P21, P31, and P41. , The flow rate of the second flow path P12, P22, P32, P42 is adjusted. On the other hand, since the duct connecting device 30-5 has only a single flow path P51, the flow rates in the two flow paths in the duct connecting device 30-5 are not adjusted, but for example, from the duct 20-8. By closing the flow path P51 leading to the duct 20-11, the amount of gas blown out from another duct (for example, the duct 20-7) can be increased.

The fans 34 shown in FIGS. 2A to 2D blow air (air flow) in the flow paths (first flow path P1 and second flow path P2) passing through the duct connection port 30a, and the fan 35 , The fan 36 blows air in the flow path (first flow path P1) passing through the duct connection port 30b, and the fan 36 blows air in the flow path (second flow path P2) passing through the duct connection port 30c. Fans 34, 35, 36 function as an example of an auxiliary air conditioner that performs at least one of heating, cooling, humidification, dehumidification, and air flow in the first flow path P1 and the second flow path P2. Further, even if the above-mentioned solenoid valves 31, 32, 33 are not arranged, the fans 34, 35, 36 have the flow rate of the first flow path from the first duct to the second duct by blowing air, and the first flow rate. Since the flow rate of the second flow path from the first duct to the third duct can be adjusted, it can also function as an example of the above-mentioned flow rate adjusting means.

Fans 34, 35, 36 do not have to be arranged in all of the plurality of duct connecting devices 30, especially when flow rate adjusting means such as solenoid valves 31, 32, 33 are arranged, for example, an air conditioner. It is preferable that they are arranged in at least one duct connecting device 30, such as a duct connecting device 30 having a long flow path distance from 10.

The electric heating coil 37 is arranged in a region surrounded by the solenoid valves 31, 32, 33, and heats the first flow path P1 and the second flow path P2. The electric heating coil 37 is an auxiliary air conditioner that performs at least one of heating, cooling, humidification, dehumidification, and air flow in the first flow path P1 and the second flow path P2, similarly to the fans 34, 35, and 36. It functions as an example. The electric heating coil 37 does not have to be arranged in all of the plurality of duct connecting devices 30 like the fans 34, 35, 36. For example, the duct connecting device 30 having a long flow path from the air conditioner 10 Etc., it is preferable that they are arranged in at least one duct connecting device 30.

For the connection between the duct connection ports 30a, 30b, 30c of the duct connection device 30 and the duct 20, for example, the duct connection tool 50 shown in FIG. 3 can be used.

The duct connector 50 has a band 51, a screw 52, washers 53 and 54, and a wing nut 55.

The band 51 is curved in a circular shape, and fixed portions 51a and 51b are provided at both ends. The fixed portions 51a and 51b are bent at right angles from both ends of the band 51 to the outside of the circular shape and face each other.

The screw 52 fixes the fixed portions 51a and 51b by the washers 53 and 54 and the wing nut 55.

The connection between the duct connection ports 30a, 30b, 30c and the duct 20 is not limited to the duct connector 50 using the screw 52, and may be by other means such as a connector fixed by fitting.

The control panel 40 shown in FIG. 1 controls, for example, the air conditioner 10 and the duct connecting device 30 connected by wire or wirelessly. Further, the control panel 40 may also control each part such as a skylight, a curtain, a circulation fan, and a mist generator, which are not connected to the duct 20. The control panel 40 controls each part of the air conditioner 10, the duct connecting device 30, and the like based on the operation of the user's mobile terminal of the facility gardening air conditioning system 1 or the instruction from the cloud computer or the like. You may. Further, the control of each part may be directly performed by an external device such as a cloud computer without going through the control panel 40.

The control panel 40 acquires the detection results of the environment sensors S1, S2, S3, S4, and S5 arranged in the vinyl house 100. The detection result of the environment sensors S1, S2, S3, S4, S5 is, for example, at least one environmental information such as temperature information, humidity (saturation) information, and carbon dioxide concentration information. The environment sensor arranged in the vinyl house 100 is not limited to the one arranged in the vinyl house 100, and for example, a temperature sensor for outside air temperature arranged on the outer surface of the vinyl house 100 and sunshine are detected. It may be a sunshine sensor or the like.

The control panel 40 is arranged in the vicinity of the environment sensor S1 so as to eliminate, for example, temperature unevenness, humidity unevenness, carbon dioxide concentration unevenness, etc., based on the detection results of the environment sensors S1, S2, S3, S4, and S5. Duct 20-2, duct 20-5 arranged near the environment sensor S2, duct 20-7 arranged near the environment sensor S3, duct 20-9 arranged near the environment sensor S4, and near the environment sensor S5. The opening / closing amount of the electromagnetic valves 31, 32, 33 of each of the plurality of duct connecting devices 30 is controlled so as to adjust the amount of gas blown out from the arranged ducts 20-11.

Further, the control panel 40 has fans 34, 35, 36 so as to eliminate, for example, temperature unevenness, humidity unevenness, carbon dioxide concentration unevenness, etc., based on the detection results of the environment sensors S1, S2, S3, S4, S5. And the electric heating coil 37 may be controlled.

The user of the facility gardening air conditioning system 1 operates the opening / closing amount of the solenoid valves 31, 32, 33, the settings of the fans 34, 35, 36, and the electric heating coil 37, and the control panel 40 controls based on the settings. Therefore, the control by the control panel 40 is not limited to the one based on the detection results of the environment sensors S1, S2, S3, S4, and S5.

In the present embodiment described above, the facility gardening air conditioner system 1 is at least one of heating, cooling, humidification, dehumidification, carbon dioxide supply, air flow, and ventilation in the vinyl house 100, which is an example of the facility gardening space. Of the air conditioner 10 and the plurality of ducts 20 (20-1, 20-2, ..., 20-11) through which the gas supplied from the air conditioner 10 flows, and at least the plurality of ducts 20 A plurality of duct connecting devices 30 (duct connecting devices 30-1, 30-2, 30-3, 30-4) to which three ducts are connected are provided, and each of the plurality of duct connecting devices 30 adjusts the flow rate. It has electromagnetic valves 31, 32, 33 which are an example of means. The electromagnetic valves 31, 32, 33 continue to the flow rates of the first flow paths P1, P11, P21, P31, P41 from the first duct to the second duct, and from the first duct to the third duct. Adjusting the flow rates of the second flow paths P2, P12, P22, P32, and P42 Thereby, in each of the plurality of duct connecting devices 30, the flow rate of the first flow path and the flow rate of the second flow path are adjusted. Since it can be adjusted, the gas supplied from the air conditioner 10 can be sent to an arbitrary region in the vinyl house 100. Therefore, according to the present embodiment, it is possible to perform air conditioning in an arbitrary area in the facility gardening space such as the vinyl house 100. Therefore, in the vinyl house 100, by making the parameters (environmental information) such as temperature, humidity (saturation), and carbon dioxide concentration uniform, it is possible to prevent uneven growth of cultivated crops and spread of diseases. it can.

Further, in the present embodiment, the solenoid valves 31 to 33, which are an example of the flow rate adjusting means, are the first based on the detection results of the environment sensors S1, S2, S3, S4, S5 arranged in the vinyl house 100. The flow rates of the flow paths P1, P11, P21, P31, and P41 and the flow rates of the second flow paths P2, P12, P22, P32, and P42 are adjusted. As a result, the gas supplied from the air conditioner 10 in the vinyl house 100 can be sent so as to eliminate temperature unevenness, humidity unevenness, carbon dioxide concentration unevenness, and the like in the vinyl house 100.

Further, in the present embodiment, at least one duct connecting device 30 among the plurality of duct connecting devices 30 has the first flow path P1, P11, P21, P31, P41 and the second flow path P2, P12, P22. , P32, P42 further includes an electric heating coil 37, which is an example of an auxiliary air conditioner that performs at least one of heating, cooling, humidification, dehumidification, and air flow. As a result, for example, air conditioning can be assisted in the duct connecting device 30 having a long flow path from the air conditioner 10, so that the temperature unevenness, humidity unevenness, carbon dioxide concentration unevenness, etc. of the vinyl house 100 can be further increased. It can be resolved.

1 Facility gardening air conditioning system 10 Air conditioner 20 (20-1, 20-2, ..., 20-11) Duct 20-2a, 20-5a, 20-7a, 20-9a, 20-11a Outlet 30 (30-1, 30-2, 30-3, 30-4, 30-5) Duct connection device 30a, 30b, 30c Duct connection port 31, 32, 33 Solenoid valve (flow path adjusting means)
34, 35, 36 fans (auxiliary air conditioner)
37 Electric heating coil (auxiliary air conditioner)
40 Control panel 50 Duct connector 51 Band 51a, 51b Fixed part 52 Screw 53, 54 Washer 55 Wingnut P1, P2, P11, P12, P21, P22, P31, P32, P41, P42, P51 Flow path S1, S2 , S3, S4, S5 Environment sensor 100 Vinyl house (facility gardening space)

Claims (3)

An air conditioner that performs at least one of heating, cooling, humidification, dehumidification, carbon dioxide supply, air flow, and ventilation in the facility gardening space.
A plurality of ducts through which the gas supplied from the air conditioner flows, and
A plurality of duct connecting devices to which at least three of the plurality of ducts are connected are provided.
Each of the plurality of duct connecting devices
Having a flow rate adjusting means for adjusting the flow rate of the first flow path from the first duct to the second duct and the flow rate of the second flow path from the first duct to the third duct. Characteristic facility An air conditioning system for gardening. The claim is characterized in that the flow rate adjusting means adjusts the flow rate of the first flow path and the flow rate of the second flow path based on the detection result of the environment sensor arranged in the facility horticultural space. Item 1. The facility horticultural air conditioning system according to item 1. At least one of the plurality of duct connecting devices is an auxiliary air conditioner that performs at least one of heating, cooling, humidification, dehumidification, and air flow in the first flow path and the second flow path. The facility horticultural air-conditioning system according to claim 1 or 2, further comprising a machine.

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