TW201414416A - Planting bed temperature control system and method - Google Patents

Abstract

The present invention provides a planting bed temperature control system and method, which employs the direct irrigation with temperature controlled water and/or an indirect heat exchange method to adjust the temperature of the planting bed, and comprises at least one planting bed; a water tank for storing and supplying reserve water for temperature adjustment and/or irrigation; a temperature detection unit for detecting the temperature of the planting bed and reserve water; a heating unit for heating the reserve water; a cooling unit for cooling the reserve water; a control unit for obtaining the current temperature of the planting bed and reserve water via the temperature detection unit and controlling the heating unit and the cooling unit to adjust the temperature of the reserve water based on a preset target temperature; and, a water supply unit for supplying the reserve water after temperature adjustment to the planting bed for heat exchange to control the planting bed being maintained at the preset temperature.

Description

Plant bed temperature control system and method

The present invention relates to a plant or crop cultivation apparatus and method thereof, and more particularly to a planting bed temperature control system and method for adjusting the temperature of a plant bed by direct irrigation and/or indirect heat exchange through temperature-controlled water.

In the face of global climate anomalies caused by the greenhouse effect and the food problems caused by the rapid increase of the global population, scientists and experts in agriculture-related fields or farmers are doing everything they can to improve the cultivation techniques of plants or crops. One way to address food insufficiency is to increase the yield of crops or plants, and to know ways to increase the yield of crops or plants, including: improving varieties, increasing planting density, and overcoming the growth of crops and plants in seasonal and climatic environments. Restrictions can be achieved multiple times a year, and can be supplied year-round or off-season.

One method known to overcome the growing restrictions on crops and plants in seasonal and climatic environments is achieved by means of greenhouse cultivation, which is usually applied to crops that have considerable economic value or require large planting areas or Plants, by controlling the environmental conditions of the greenhouse (including the gas environment and the soil environment), such as: controlling sunshine hours, temperature and humidity in the greenhouse, and formulating irrigation and fertilization plans, in addition to achieving multiple harvests a year, and Supply or off-season supply goals can also improve the survival rate and survival time of crops or plants. Although greenhouse cultivation techniques have been long-lasting and have achieved great results, the cost and investment amount required for greenhouse cultivation is high and not suitable for smaller ones. Scale or non-economically valuable cultivation activities, so it is difficult for individuals or homes to cultivate plants or crops through greenhouse cultivation techniques.

Some special plants or crops need to grow or survive in a proper temperature environment. In traditional greenhouse cultivation techniques, it is mainly achieved by controlling the temperature inside the greenhouse, in other words, by controlling the sunshine time or In addition to sufficient heat, it is necessary to use air conditioning equipment to regulate the temperature in the greenhouse when the sunshine is not available. In addition to the high cost, it is not possible to plant a variety of crops with different temperature requirements in the same greenhouse environment. Or plants.

In view of the fact that conventional greenhouse cultivation techniques are not suitable for smaller-scale cultivation activities, and factors requiring higher costs. The invention provides a planting bed temperature control system and method, which can adjust the temperature of the plant bed by direct irrigation and/or indirect heat exchange through temperature-controlled water, and can be applied to small planting areas such as potting, and greenhouse cultivation techniques. The method and system of the present invention require less cost than the method for controlling the temperature of the gaseous environment.

A plant bed temperature control method according to the present invention comprises: preparing a plant bed for planting plants; preparing and storing reserve water for temperature regulation and/or irrigation; detecting the temperature of the plant bed and the reserve water, and measuring The temperature of the plant bed is converted to a corresponding bed temperature signal, and the measured temperature of the reserve water is converted into a corresponding water temperature signal; a target temperature is set, and the bed temperature signal and the water temperature signal are set. Comparing with the temperature of the target to generate a temperature adjustment signal; controlling a temperature reduction unit and a heating unit to adjust the temperature of the reserve water according to the temperature adjustment signal; and conveying the adjusted temperature water to the plant bed for heat exchange, To adjust the temperature of the plant bed.

In a preferred embodiment, the method further comprises a temperature regulating tube having heat conduction characteristics, wherein the temperature regulating tube is in contact with the plant bed, and the adjusted water is circulated to the temperature regulating tube after the temperature is adjusted, and the temperature is adjusted. The reserve water exchanges heat with the plant bed indirectly through the thermostat.

In a preferred embodiment, the plant bed comprises a cultivation dish and a plant bed material disposed in the cultivation dish, the plant bed material being soil or a culture medium or a hydroponic solution.

A plant bed temperature control system according to the present invention comprises: at least one plant bed for planting a plant; and a temperature regulating tube having at least one surface in contact with the plant bed for heat exchange with the plant bed; To store and supply a reserve water for temperature regulation and/or irrigation; a temperature detecting unit for detecting the temperature of the plant bed and the reserve water; and a heating unit for heating the reserve water; a cooling unit for cooling the reserve water; a control unit electrically connected to the temperature detecting unit, the heating unit and the cooling unit, and obtaining the current state of the plant bed and the reserve water through the temperature detecting unit Temperature, and according to a set target temperature, controlling the heating unit and the cooling unit to adjust The temperature of the reserve water; and a water supply unit connected to the water tank for conveying the adjusted water after the temperature adjustment to the temperature control tube.

In a preferred embodiment, the temperature regulating tube is closed, and the temperature regulating tube is internally encapsulated with a heat transfer medium, and the stored water after being adjusted in temperature is circulated and sent to the temperature regulating tube and the heat transfer medium. The heat exchange is performed such that the reserve water after the temperature adjustment is indirectly exchanged with the plant bed through the temperature control pipe.

In a preferred embodiment, the temperature regulating tube has a water inlet and a water outlet, and the stored water after the temperature is adjusted enters the temperature regulating tube from the water inlet and is discharged to the plant bed for irrigation. The number of the drain ports of the temperature regulating tube can be adjusted according to the number of the cultivation dishes, and the water outlet can extend into the plant bed.

In a preferred embodiment, the temperature regulating tube has a water inlet and a water outlet, and the water inlet is connected to an irrigation water source, so that one of the irrigation water source supplies irrigation water from the water inlet into the temperature regulating tube. The drain port is discharged to the plant bed for irrigation, and the reserve water circulation after the temperature adjustment is sent to the temperature regulating tube, and the reserve water after adjusting the temperature is exchanged with the irrigation water flowing through the temperature regulating tube for heat exchange. Adjust the temperature of the irrigation water. The irrigation water source is disposed at a high place, and the irrigation water is transferred to the temperature control pipe and the reserve water after the temperature adjustment by gravity through a water supply pipe for heat exchange.

In the above embodiments, the temperature regulating tube is embedded in the plant bed.

In the above embodiments, at least one outer surface of the temperature regulating tube is a flat surface, and is placed on the planting bed, so that the planting bed is placed outside the temperature regulating tube.

The details of other functions and embodiments of the present invention will be described below in conjunction with the drawings.

An embodiment step of the plant bed temperature control system and method, as shown in "Fig. 1", includes: preparing a plant bed for planting plants; preparing and storing reserve water for temperature regulation and/or irrigation; Detecting the temperature of the plant bed and the reserve water, converting the measured bed temperature to a corresponding bed temperature signal, and converting the measured temperature of the reserve water to a corresponding water temperature signal; Setting a target temperature, comparing the aforementioned bed temperature signal with the water temperature signal and the target temperature to generate a temperature adjustment signal; controlling a temperature reduction unit and a heating unit to adjust the temperature of the outflowing reserve water according to the temperature adjustment signal; The reserve water is transported to the plant bed for heat exchange to adjust the temperature of the plant bed.

One embodiment of the plant bed B includes a plant bed material M and a cultivation dish 10 for containing the plant material M, which may be, but not limited to, a flower pot or other equivalent container (see "Fig. 4"), The plant bed material M depends on the type of the plant and the method of cultivation. Generally, the plant bed material M may be, but not limited to, for example, soil, cultivating base or hydroponic liquid; another embodiment of the plant bed B may also be It is composed of a plant material M distributed in a specific range (for example, a small garden, a small flower garden or a small area of cultivated land).

An embodiment of preparing and storing the reserve water W for temperature regulation and/or irrigation is to provide a water tank 20 for storing and supplying the required water for temperature regulation and/or irrigation (see "3A, B" The water source of the reserve water W may be rainwater or a manually treated water source, and the reserve water W is introduced into the water tank 20 for storage. In an embodiment of the method of the present invention, the reserve water W is subjected to an adjusted temperature (warming or cooling) Then, it is transported to the plant bed B by the water supply unit 70 for heat exchange (see "Fig. 4").

An embodiment of the plant bed temperature control system and method of the present invention, as shown in "Fig. 2", includes: at least one plant bed B for planting plant P (see "Fig. 5"); a thermostat 11 At least one part is buried in the plant material M of the plant B, and can be combined with the plant bed B (for convenience of explanation, the temperature of the plant bed referred to herein basically refers to the contact between the root of the plant B and the root of the plant P. The temperature of the plant bed material M is heat exchanged; a water tank 20 for storing and supplying the reserve water W for temperature regulation and/or irrigation; and a temperature detecting unit 30 for detecting the plant bed B and the reserve The temperature of the water W; a heating unit 40 for warming the reserve water W; a cooling unit 50 for cooling the reserve water W; a control unit 60, obtaining the plant bed B through a temperature detecting unit 30 and The current temperature of the reserve water W is adjusted according to a set target temperature, and the heating unit 40 and the temperature reducing unit 50 are adjusted. The temperature of the reserve water W; and a water supply unit 70, the water supply unit 70 may be a pump, and the water supply unit 70 and the water tank 20 are connected to supply the reserve water W after adjusting the temperature (warming or cooling) to the temperature control tube 11 The reserve water after the temperature adjustment is indirectly exchanged with the plant bed B through the temperature regulating pipe 11 to adjust the temperature of the plant bed B.

According to an embodiment of the plant bed temperature control system and method of the present invention, an embodiment of the plant bed B comprises a plant bed material M and a cultivation dish 10 for accommodating the plant material M, and the cultivation dish 10 may be a plurality of cultivations. The multi-layer structure in which the dishes 10 are stacked together (see "Fig. 4" and "figure 5"), and the other embodiment is constructed as shown in "Fig. 3A" and "Fig. 3B", wherein the cultivation dish 10 is A configuration in which a plurality of cultivation dishes 10 are juxtaposed.

An embodiment of the plant bed temperature control system and method, wherein the temperature detecting unit 30 is an electronic component, such as a resistive temperature sensor or an IC temperature sensor, and the temperature detecting unit 30 is disposed at The position where the reserve water W in the water tank 20 and the plant bed material M of the plant bed B come into contact with each other, for example, is disposed on the inner side wall of the water tank 20 and the cultivation dish 10 or directly sinks into the reserve water W or is buried in the plant material M. The temperature detecting unit 30 can detect the temperature of the plant bed B and the reserve water W, convert the measured plant bed temperature into a corresponding plant bed temperature signal, and convert the measured temperature of the reserve water W into a corresponding one. The water temperature signal, depending on the type of temperature detecting unit 30 used, may be a digital signal or an analog signal, and then transmitted to the control unit 60 for processing.

An embodiment of the plant bed temperature control system and method of the present invention, wherein the heating unit 40 can be an electric heating type or a boiler type heating device, and the reserve water W is heated by a heat exchanger 41 that sinks into the water tank 20. The cooling unit 50 may be a refrigerating device (for example, a compressor type refrigerating device or a semiconductor type refrigerating device, and the reserve water W is cooled by a heat exchanger 51 that sinks into the water tank 20, and the heating unit 40 and the cooling unit 50 are cooled. They are separated from each other to warm or cool the reserve water W from the water tank 20.

In an embodiment of the plant bed temperature control system and method of the present invention, the temperature regulating tube 11 is a closed type hollow tube (as shown in "3A" and "3B"), and the temperature regulating tube 11 The inside is packaged with a heat transfer medium (such as water or oil), and the reserve water W after the temperature is adjusted is circulated to the tune. The heat pipe 11 exchanges heat with the heat transfer medium. Specifically, the reserve water W after the temperature adjustment is circulated between the water tank 20 and the temperature control pipe 11 through a circulation line 71 of the water supply unit 70, so that the adjustment is made. The reserve water W after the temperature is indirectly exchanged with the plant bed B through the temperature regulating tube 11 to adjust the temperature of the plant bed B. According to an embodiment of the plant bed temperature control system and method, the bed material is accommodated according to the present invention. There may be more than one cultivation dish 10 of M, and the plurality of cultivation dishes 10 may be connected to the circulation line 71 of the water supply unit 70 by means of split sharing (see "Fig. 3B"), so that the reserve water after the temperature adjustment is made. W can be used to adjust the temperature of a plurality of plant beds B.

In another aspect, an embodiment of the plant bed temperature control system and method (as shown in "Fig. 4" and "Fig. 5"), wherein the temperature regulating tube 11 has a water inlet 12 and a drain 13 The water inlet 12 is connected to an irrigation water source S, so that the irrigation water supplied by the irrigation water source S enters the temperature regulating pipe 11 from the water inlet 12 and is discharged to the plant bed B through the water discharge port 13 for irrigation, and the circulating water is adjusted after the temperature is adjusted. To the temperature control pipe 11, specifically, the reserve water W after the temperature adjustment is circulated between the water tank 20 and the temperature control pipe 11 by a circulation line 71 of the water supply unit 70, and the reserve water after the temperature adjustment is used. The heat exchange with the irrigation water flowing through the thermostat tube is used to adjust the temperature of the irrigation water, so that the irrigation water after the temperature adjustment can simultaneously exchange heat with the plant bed B through the temperature regulating tube 11 to adjust the bed B. temperature. Therefore, the irrigation water S can form a heat transfer medium in the temperature control pipe 11.

In an embodiment of the plant bed temperature control system and method of the present invention, the irrigation water is heat exchanged by gravity (or potential energy) through the water supply pipe to the temperature control pipe 11 and the reserve water after the temperature adjustment (see " Figure 3), for example, the irrigation water source S is set at a high place, so that the irrigation water can flow from the high point downward through the water supply pipe to the temperature control pipe 11 and the reserve water after the temperature adjustment for heat exchange, and then The drain port 13 is discharged to the plant bed B for irrigation.

In an embodiment of the plant bed temperature control system and method of the present invention, the number of the drain ports 13 of the temperature regulating tube 11 can be adjusted according to the number of the cultivation dishes 10, and the drain port 13 can extend into the plant material M through the drainage. The mouth 13 can discharge the adjusted temperature irrigation water to the plant bed B for irrigation, and adjust the temperature of the plant bed B to form an irrigable non-circulating heat exchange temperature control system.

Another embodiment of the plant bed temperature control system and method of the present invention, as shown in "Fig. 6" and "Fig. 7", wherein the temperature regulating tube 11 has a water inlet 12 and a water outlet 13, the water inlet 12 Connected to the water supply unit 70, the reserve water W after the temperature adjustment is entered into the temperature control tube 11 from the water inlet 12 Then, the drain port 13 discharges to the plant bed B for irrigation, and the reserve water W after the temperature adjustment can also exchange heat with the plant bed B through the temperature regulating pipe 11 to adjust the temperature of the plant bed B. According to an embodiment of the plant bed temperature control system and method of the present invention, there may be more than one cultivation dish 10 for accommodating the plant bed material M, and the plurality of cultivation dishes 10 may be shared by the split flow, and the water supply unit 70 The connection (see "Fig. 7") allows the reserve water W after the temperature adjustment to be distributed to a plurality of plant beds B for irrigation while adjusting the temperature of the plurality of plant beds B.

An embodiment of the plant bed temperature control system and method of the present invention, wherein the temperature regulating tube 11 can be an upright insertion plant bed B, in particular, a multi-layer structure in which a plurality of cultivation dishes 10 are stacked together is suitable for this manner; In an embodiment, the temperature regulating tube 11 may be lying on the plant bed B (as shown in FIG. 8), and the arrangement may be applied to the plant material M, such as a small garden, a small flower garden or a small area of cultivated land. Plant bed B.

For an embodiment of the plant bed temperature control system and method of the present invention, please refer to "9A, B and 10", wherein the temperature regulating tube 11 can have at least one surface as a flat surface, so that the temperature regulating tube 11 The surface of the planting bed B can be placed on the surface, and the bottom surface of the planting bed B is connected to the surface of the temperature regulating tube 11, and the temperature-controlled reserve water W is sent to the temperature regulating tube 11 via the water supply unit 70 to adjust the temperature. The surface of the tube 11 reaches a set temperature and is transmitted to the bottom surface of the plant bed B, and is conducted to the entire plant bed B via the bottom surface of the plant bed B, thereby controlling the temperature of the plant bed B. The manner in which the temperature-controlled reserve water W is sent to the temperature regulating tube 11 may be directly sent into the temperature regulating tube 11 and circulated back into the water tank 20, as shown in "Fig. 9B", or via the temperature regulating tube 11 The drain port 13 is injected into the plant bed B. In addition to the temperature control of the plant bed B through the surface of the temperature control tube 11, the temperature of the plant bed B can be irrigated to accelerate the control of the temperature of the plant bed B, such as "Fig. 9A". As shown, a circulation line 71 is disposed in the temperature regulating tube 11, and one end of the circulating line is connected to the water supply unit 70, and the other end is connected to the water tank 20, so that the temperature-controlled reserve water W is sent to the temperature regulating tube via the water supply unit 70. 11 and circulating back into the water tank 20, and injecting the irrigation water S into the temperature regulating pipe 11, and conducting temperature conduction with the circulation line 71, so that the surface of the temperature regulating pipe 11 reaches the set temperature, and can be set on the temperature regulating pipe 11. The drain port 13 is used to periodically quantify the reserve water after the plant bed is irrigated, as shown in Fig. 10.

The control unit 60 is an electronic device having a control circuit therein, and the control unit 60 can obtain the current temperature of the reserve water W in the plant bed B and the water tank 20 through the temperature detecting unit 30, and According to a set target temperature, the control heating unit 40 and the temperature reducing unit 50 adjust the temperature of the reserve water W, wherein the target temperature refers to the plant bed temperature set according to the plant or crop type, and the assumption that the target temperature is set to 15 degrees Celsius (15 ° C), and the current plant bed temperature obtained by the control unit 60 through the temperature detecting unit 30 is 22 degrees Celsius (22 ° C), and the control unit 60 adjusts the temperature of the reserve water W to a reserve water lower than the target temperature. W cools the plant bed B in the cultivation dish 10, thereby lowering the temperature of the plant bed B to the set target temperature; conversely, if the current plant bed temperature obtained by the control unit 60 through the temperature detecting unit 30 is lower than the target temperature At this time, the control unit 60 adjusts the temperature of the reserve water W to warm the plant bed B in the cultivation dish 10 with the reserve water W higher than the target temperature, thereby raising the temperature of the plant bed B to the set target temperature. On the other hand, the initial water temperature of the reserve water W in the water tank 20 (the water temperature of the reserve water W that has not been warmed or cooled in the water tank 20) is also included in the calculation and judgment, and the reserve in the water tank 20 is further The water temperature of the water is appropriately adjusted, and then the reserve water W after adjusting the temperature is indirectly exchanged with the plant bed B in the cultivation dish 10 through the temperature regulating tube 11, or directly by adjusting the temperature of the reserve water W or It is the irrigation water that irrigates the plant bed B while adjusting its temperature, and even in some cases, it is not necessary to warm or cool the reserve water W in the water tank 20, and the reserve water W in the water tank 20 can be directly Plant bed B is heat exchanged or irrigated. Based on this principle, the temperature adjustment method and judgment of the reserve water of the water tank 20 are as shown in the following "Table 1".

While the present invention has been described above by way of example, the present invention is not intended to limit the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of patent protection shall be subject to the requirements attached to this specification. The definition is subject to change.

10‧‧‧Cultivating dish

11‧‧‧ thermostat

12‧‧‧ Inlet

13‧‧‧Drainage

20‧‧ ‧ water tank

30‧‧‧Temperature detection unit

51‧‧‧ heat exchanger

60‧‧‧Control unit

70‧‧‧Water supply unit

71‧‧‧Circulation pipeline

B‧‧ ‧ bed

M‧‧‧Bed material

40‧‧‧heating unit

41‧‧‧ heat exchanger

50‧‧‧ cooling unit

P‧‧‧ plants

S‧‧‧Irrigation water

W‧‧‧ reserve water

Fig. 1 is a flow chart showing an embodiment of a plant bed temperature control system and method of the present invention.

Figure 2 is a functional block diagram of an embodiment of a plant bed temperature control system and method of the present invention.

3A and 3B are structural diagrams of another embodiment of the plant bed temperature control system and method of the present invention, showing a temperature in which the temperature-controlled tube of the reserve water cycle after adjusting the temperature is indirectly exchanged with the plant bed. Control System.

Figure 4 is a structural view showing another embodiment of the plant bed temperature control system and method of the present invention, showing a heat exchange between the temperature-regulating pipe and the irrigation water of the reserve water cycle after the temperature adjustment, and then adjusting the temperature. The temperature control system for the irrigation of the plant bed.

Fig. 5 is a perspective structural view of the embodiment of Fig. 4.

6 and 7 are structural diagrams of another embodiment of the plant bed temperature control system and method of the present invention, showing a reserve water after adjusting the temperature through the temperature control tube and the plant bed for heat exchange, and at the same time to adjust the temperature The temperature control system for the irrigation of the plant bed after the reserve water.

Fig. 8 is a structural view showing another embodiment of the plant bed temperature control system and method of the present invention, showing a configuration in which a recumbent thermostatic tube is placed on the plant bed.

9A and B are structural diagrams of another embodiment of the plant bed temperature control system and method of the present invention, showing that the temperature regulating tube has a flat surface and a planting bed placed on the surface of the temperature regulating tube.

Figure 10 is a structural view showing another embodiment of the plant bed temperature control system and method of the present invention, showing that the temperature regulating tube is a flat tube, and the plant bed is placed on the surface of the temperature regulating tube, and the circulating temperature adjustment method is adopted. .

10‧‧‧Cultivating dish

11‧‧‧ thermostat

20‧‧ ‧ water tank

30‧‧‧Temperature detection unit

40‧‧‧heating unit

50‧‧‧ cooling unit

60‧‧‧Control unit

70‧‧‧Water supply unit

B‧‧ ‧ bed

M‧‧‧Bed material

W‧‧‧ reserve water

Claims (10)

A planting bed temperature control method comprising: preparing a plant bed for planting plants; preparing and storing reserve water for temperature regulation and/or irrigation; detecting the temperature of the plant bed and the reserve water, the measured The temperature of the plant bed is converted into a corresponding bed temperature signal, and the measured temperature of the reserve water is converted into a corresponding water temperature signal; a target temperature is set, the bed temperature signal and the water temperature signal and the target are set. The temperature comparison generates a temperature adjustment signal; controlling a temperature reduction unit and a heating unit to adjust the temperature of the reserve water according to the temperature adjustment signal; and conveying the adjusted temperature water to the plant bed for heat exchange, for adjusting the temperature The temperature of the plant bed. The method for controlling the temperature of a plant bed according to claim 1, further comprising a temperature regulating tube having heat conduction characteristics, wherein the temperature regulating tube is in contact with the plant bed, and the circulating water is adjusted to be adjusted after the temperature is adjusted. The temperature regulating tube, the reserve water after the temperature adjustment is indirectly exchanged heat with the plant bed through the temperature regulating tube. The method for controlling a plant bed temperature according to claim 1, wherein the plant bed comprises a cultivation dish and a plant bed material disposed in the cultivation dish, and the plant bed material is soil or a culture medium or a hydroponic solution. A planting bed temperature control system comprising: at least one plant bed for planting a plant; a temperature regulating tube having at least one surface in contact with the plant bed for heat exchange with the plant bed; a water tank for storing and Supplying a reserve water for temperature regulation and/or irrigation; a temperature detecting unit for detecting the temperature of the plant bed and the reserve water; a heating unit for heating the reserve water; and a cooling unit Cooling the storage water; a control unit is electrically connected to the temperature detecting unit, the heating unit and the cooling unit, and the current temperature of the plant bed and the reserve water is obtained through the temperature detecting unit, and According to a setting The temperature is controlled, the heating unit and the cooling unit are controlled to adjust the temperature of the reserve water; and a water supply unit is connected to the water tank for conveying the adjusted water after the temperature adjustment to the temperature regulating tube. The plant bed temperature control method according to claim 4, wherein the plant bed comprises a cultivation dish and a plant bed material disposed in the cultivation dish, and the plant bed material is soil or a culture medium or a hydroponic solution. The plant bed temperature control system of claim 4, wherein the temperature control tube is a closed type, and the temperature control tube is internally packaged with a heat transfer medium, and the reserve water after the temperature adjustment is circulated to the The heat exchange medium exchanges heat with the heat transfer medium, so that the reserve water after the temperature adjustment is indirectly exchanged with the plant bed through the temperature control tube. The plant bed temperature control system according to claim 4, wherein the temperature control pipe has a water inlet and a water outlet, and the reserve water after the temperature is adjusted enters the temperature control pipe by the water inlet and the drainage The mouth is discharged to the plant bed for irrigation, and the number of the water outlets of the temperature control pipe can be adjusted according to the number of the cultivation dish, and the water outlet can extend into the plant bed. The plant bed temperature control system according to claim 4, wherein the temperature control pipe has a water inlet and a water outlet, and the water inlet is connected to an irrigation water source, so that the irrigation water source supplies one of the irrigation water by the inlet The water inlet enters the temperature regulating tube and is discharged to the plant bed for irrigation, and the reserve water circulation after the temperature adjustment is sent to the temperature regulating tube, and the reserve water after adjusting the temperature and flowing through the temperature regulating tube The irrigation water is heat exchanged to adjust the temperature of the irrigation water, and the irrigation water source is set at a high place, so that the irrigation water is transported by gravity to the temperature regulating tube and the temperature after the temperature adjustment. Perform heat exchange. The plant bed temperature control system according to any one of claims 6, 7 or 8, wherein the temperature control pipe is embedded in the plant bed. The plant bed temperature control system according to any one of claims 6, 7 or 8, wherein at least one outer surface of the temperature regulating tube is a flat surface for placement on a plant bed, and the plant bed is placed in the temperature adjustment. The outside of the tube.