TW201422145A - Temperature control module and temperature control method for greenhouse - Google Patents

Abstract

A temperature control module includes a gas inlet and at least one bluff body. The gas inlet is disposed in the greenhouse to provide an air flow. The bluff body is disposed at a position opposite to the gas inlet to make the air flow flow to the bluff body, so as to form an air recirculation region. The air recirculation region can cover a growth space of the crop planting part and provides an somehow isolated environment which can fine tune the atmosphere condition.

Description

Greenhouse temperature control module and temperature control method

The invention relates to a temperature control module and a temperature control method for a greenhouse, in particular to a smart energy-saving greenhouse local air conditioner and a microclimate temperature control method thereof.

The high temperature period in Taiwan is more than eight months. Even if the temperature in the greenhouse can be reduced to the same as the outdoor temperature, the temperature is still high. At present, the common cooling methods include Fan and Pad, Fan and Mist, and Fan and Fog. All of the above methods are used to stir the whole greenhouse air. The crop growth space reaches the temperature of the suitable crop.

In fact, it is only necessary to adjust the crop growth space of the cultivated crop to an appropriate temperature, and it is not necessary to perform full room temperature control of the greenhouse. However, the conventional technology is to control the greenhouse at room temperature, so that it is easy to cause waste of energy.

It is an object of the present invention to provide a temperature control module for a greenhouse that is capable of local temperature control.

It is an object of the present invention to provide a temperature control method for a greenhouse which can save energy consumption.

The invention provides a temperature control module for a greenhouse, comprising an airflow inlet and at least one bluff body. The airflow inlet is placed in the greenhouse to provide airflow. Blunt body Placed in the opposite position of the airflow inlet to allow the airflow to flow to the bluff body to form a gas return region.

The invention also proposes a temperature control method for a greenhouse, comprising the following steps. The above temperature control module for the greenhouse is provided. Set a predetermined temperature range suitable for crop planting. Detect indoor temperature. Next, it is judged whether or not the indoor temperature reaches a predetermined temperature range. When the predetermined temperature range is not reached, the temperature control module is activated. If the predetermined temperature range has been reached, the temperature control module is stopped.

Based on the above, since the temperature control module of the greenhouse proposed by the present invention can change the flow direction of the airflow by the bluff body, and the airflow forms the gas returning area of the mulch crop planting portion, the local temperature of the crop planting part can be performed. Control, and control the temperature of the crop planting part to a better temperature environment.

In addition, since the temperature control method of the greenhouse proposed by the present invention can locally control the crop planting portion in the greenhouse instead of performing full room temperature control on the greenhouse, the energy saving effect can be achieved.

The above described features and advantages of the present invention will be more apparent from the following description.

The temperature control module of the greenhouse proposed by the invention uses a blunt body to change the flow direction of the airflow, so that the airflow forms a gas return region of the mulch crop planting portion. The gas recirculation zone is substantially insulated from the independent gas chamber, and thus the greenhouse can be locally temperature-controlled, while the crop planting portion is maintained within a predetermined temperature range, and even the crop growth space in which the crop planting portion is located can be maintained at a predetermined temperature. In the range, without having to control the greenhouse at room temperature, it can be reduced Adjust the consumption of energy. In addition, an air flow outlet can be provided to further control the stability of the gas flow in the gas return region.

Next, various embodiments of the greenhouse device proposed by the present invention will be described in the following examples.

1 is a schematic view of a greenhouse apparatus according to a first embodiment of the present invention. FIG. 2 is a schematic diagram showing the size design of the temperature control module according to the first embodiment of the present invention. 3A to 3D respectively show temperature distribution diagrams of the greenhouse device using the second embodiment of the present invention at temperature control times of 300 seconds, 600 seconds, 1800 seconds, and 3600 seconds.

Referring to FIG. 1 , the greenhouse device 100 includes a greenhouse 102 , a crop planting unit 104 , and a temperature control module 106 . The greenhouse device 100 includes a crop growth space 108 and a non-crop growth space 110. Among them, the crop growth space 108 is an area in the greenhouse 102 for cultivating the crop 10, that is, an area where temperature control is required. The non-crop growing space 110 is an area of the greenhouse 102 that is not used to cultivate the crop 10.

The crop planting portion 104 is disposed in the crop growing space 108 of the greenhouse 100. Among them, the crop planting unit 104 is, for example, a container 112 containing plant soil or a culture solution. In this embodiment, although the crop planting portion 104 is exemplified by three containers 112 containing planting soil or culture liquid as a unit, as long as the crop planting portion 104 has at least one planting soil or culture. The liquid container 112 is within the scope of the present invention and can be adjusted by one of ordinary skill in the art depending on the type of crop 10 or the design requirements of the greenhouse apparatus 100.

The temperature control module 106 includes an airflow inlet 114 and a bluff body 116. A gas flow inlet 114 is disposed in the greenhouse 102 to provide a gas stream 20. The flow rate of the gas stream 20 is, for example, 0.75 m ³ /s to 12.5 m ³ /s. In this embodiment, the airflow inlet 114 is, for example, disposed above the crop planting portion 104. The air flow provided by the air flow inlet 114 is, for example, a gas obtained by extracting external air by the air conditioning system and adjusting the temperature of the gas.

The bluff body 116 is disposed at a relative position of the airflow inlet 114 such that the airflow 20 flows to the bluff body 116 to form a gas return region 118, wherein the relative position, for example, refers to at least one position that changes and directs the flow direction of the airflow 20. In the present embodiment, the bluff body 116 is disposed, for example, in the greenhouse 102 and opposite to the airflow inlet 114, in order to direct the flow of the airflow 20, avoiding flow to areas other than the crop planting portion 104, so that the airflow 20 can form a ridge crop. The gas return region 118 of the planting portion 104 thereby cools or keeps the region 118 warm. In this embodiment, the bluff body 116 is positioned, for example, in a single piece over the crop planting portion 104 and between the airflow inlet 114 and the crop planting portion 104 such that the airflow 20 bypasses the bluff body 116 to form a gas return region 118. . The number of the bluff bodies 116 may be a plurality of and distributed around the crop planting portion 104, and the type thereof may be, for example, a square body, a rectangular body, a triangular body, a disk body, a cone, or the like, or one of the combination thereof. Can be designed according to the actual conditions. Since the gas stream 20 is a gas having a specific temperature (e.g., low temperature), and the gas stream 20 forms the gas reflux region 118 of the ridge crop planting portion 104, the temperature of the crop growth space 108 can be increased by the gas stream 20 in the gas reflux region 118. The temperature is adjusted to suit the growth of the crop 10, and the temperature of the non-crop growing space 110 is, for example, similar to the outdoor temperature.

In addition, the temperature control module 106 further includes a gas outlet 120, which is disposed on the gas. In the vicinity of the body recirculation zone 118, the gas stream 20 flowing therethrough can be sucked into the gas outlet for recycling, reducing the consumption of air-conditioning energy by the space below the crop planting portion 104, and the airflow in the gas return region 118 can be further controlled. 20 stability. In this embodiment, the gas outlet 120 is exemplified below the crop planting portion 104. In addition, depending on the temperature of the outside air caused by the season, the appropriate air volume and wind speed can be adjusted to save energy consumption of the air conditioning system.

Next, the dimensions of each part of the temperature control module 106 are illustrated by using FIG. 2, but are not limited thereto. Referring to FIG. 2, the ratio of the width of the bluff body 116 to the height of the bluff body 116 may range from about 10:1 to 1:1, the width of the crop planting portion 104 is about 0.4 meters, and the width of the gas inlet 114 is about 0.1. The width of the gas outlet 120 is about 0.1 meters, the height of the container 112 containing the planted soil or culture solution is about 0.15 meters, the distance between the gas inlet 114 and the bluff body 116 is about 0.3 meters, and the gas inlet 114 The distance from the gas outlet 120 is about 1.5 meters, the distance between the gas outlet 120 and the top of the crop planting portion 104 is about 1.05 meters, and the distance between the gas outlet 120 and the bottom of the crop planting portion 104 is 0.75 meters, and the bluff body The shape of 116 is a triangle or other, and the number can also be a large number. The above dimensions and quantities are for reference only, and the actual fashion must be determined by considering other factors such as crop type, greenhouse site and the like. In addition, the continuous arrows in FIG. 2 indicate the flow direction of the gas stream 20, whereby the manner in which the gas return region 118 is formed can be seen, wherein the relative positions of the gas inlet 114, the bluff body 116 and the gas outlet 120 can be additionally adjusted, for example, up and down Or swap left and right.

With continued reference to FIG. 1, the greenhouse device 100 may further include a temperature sensor. At least one of the module 122, the ventilation device 124, and the shading device 126. The temperature sensor module 122 includes an indoor temperature sensor 128 and an outdoor temperature sensor 130. The indoor temperature sensor 128 can be used to detect the indoor temperature of the crop growth space 108 and/or the non-crop growth space 110, respectively. In addition, the indoor temperature sensor 128 is further operable to detect the indoor temperature in each of the crop plants 104 in the crop growth space 108. The outdoor temperature sensor 130 can be used to detect the temperature outside the temperature chamber.

The ventilation unit 124 is installed in the greenhouse 102 to circulate the gas in the greenhouse. In addition, the venting means 124 allows the gas in the greenhouse 102 to be exchanged with the gas outside the greenhouse 102 through the louver 129. Ventilation device 124 is, for example, a fan circulation system.

The shading device 126 is mounted on the greenhouse 102 and can be used to shield sunlight to control the indoor illumination of the greenhouse 102, and also to facilitate temperature control of the greenhouse 102. The shading device 126 is, for example, a shade mesh or a shading plate.

Hereinafter, the area temperature control effect of the greenhouse apparatus according to the first embodiment of the present invention will be described with reference to Figs. 3A to 3D. The crop 10 in this experimental example is exemplified by strawberries, and the temperature suitable for strawberry growth is in the range of about 18 ° C to 24 ° C.

Referring to FIG. 3A to FIG. 3D simultaneously, when the temperature control time is increased from 300 seconds, 600 seconds, 1800 seconds to 3600 seconds, it can be clearly seen that the probe temperature refers to the crop above the container 112 containing the plant soil. The air temperature and the probe temperature continuously decrease with the increase of the temperature control time to a temperature suitable for strawberry growth, and the overall average temperature of the crop growth space 108 and the non-crop growth space 110 decreases with the temperature control time. But overall The temperature suitable for plant growth is also concentrated in the crop growth space 108.

Based on the above, the greenhouse device 100 of the above embodiment is configured to change the flow direction of the guide airflow 20 by the bluff body 116, so that the airflow 20 forms the gas return region 118 of the ridge crop planting portion 104. Since the gas recirculation zone 118 is approximately isolated from the separate plenum, the greenhouse 102 can be locally temperature controlled by the gas stream 20 in the gas recirculation zone 118, while the crop planting 106 is maintained within a predetermined temperature range, even crops can be The crop growth space 108 in which the planting portion 106 is located is maintained within a predetermined temperature range, instead of performing full room temperature control on the greenhouse 102, so that in addition to effective temperature control, the consumption of the air conditioner energy can be reduced.

4 is a schematic view of a greenhouse apparatus according to a second embodiment of the present invention. FIG. 5 is a schematic diagram showing the size design of the temperature control module according to the second embodiment of the present invention. 6A to 6D are graphs showing temperature distributions at a temperature control time of 300 seconds, 600 seconds, 1800 seconds, and 3600 seconds, respectively, using the greenhouse device of the second embodiment of the present invention.

Referring to FIG. 1 and FIG. 4 simultaneously, the difference between the second embodiment and the first embodiment is that in the greenhouse device 200 of the second embodiment, the airflow inlet 214 and the bluff body 216 of the temperature control module 206 are arranged in the same manner. The airflow inlet 114 and the bluff body 116 of one embodiment are arranged differently. In particular, the airflow inlet 214 is disposed, for example, between the bluff body 216 and the crop planting portion 104 such that the airflow 20 is reflected by the bluff body 216 to form a gas return region 218 of the ridge crop planting portion 104. In this embodiment, the gas flow inlet 214 is, for example, a container 112 containing plant soil or culture liquid disposed on the top of the crop planting portion 104. Further, the second embodiment uses a member similar to the first embodiment The same reference numerals are given, and have similar structures, arrangement modes, and functions, and thus will not be described herein.

Next, the size design of the temperature control module 206 is illustrated by using FIG. 5, but is not limited thereto. Referring to FIG. 5, the aspect ratio (width/height) of the bluff body 216 ranges from about 2 to 20, the width of the crop planting portion 104 is about 0.68 meters, and the width of the gas inlet 214 is about 0.08 meters. The width of 120 is about 0.08 meters, the height of the container 112 containing the planted soil or culture solution is 0.2 to 1.0 meters, the distance between the gas inlet 214 and the bluff body 216 is about 0.4 meters, and the gas inlet 214 and the gas outlet 120 are 120. The distance is about 0.1 to 2.0 meters, the distance between the gas outlet 120 and the top of the crop planting portion 104 is about 0.2 to 2.0 meters, and the distance between the gas outlet 120 and the bottom of the crop planting portion 104 is about 0.75 meters, and is blunt. The shape of the body 216 is a rectangular body or the like. The above dimensions, numbers and shapes are merely illustrative and not limited thereto. Furthermore, the continuous arrows in FIG. 5 indicate the flow direction of the gas stream 20, whereby the manner in which the gas reflux region 218 is formed can be seen.

Referring to FIG. 6A to FIG. 6D simultaneously, when the temperature control time is increased from 300 seconds, 600 seconds, 1800 seconds to 3600 seconds, it can be clearly seen that the probe temperature refers to the crop above the container 112 containing the plant soil. The air temperature and the probe temperature continuously decrease with the increase of the temperature control time to a temperature suitable for strawberry growth, and the overall average temperature of the crop growth space 108 and the non-crop growth space 110 decreases with the temperature control time. However, in general, the temperature suitable for plant growth is still concentrated in the crop growth space 108.

Similarly, the greenhouse device 200 proposed in the above embodiment changes the flow direction of the guiding airflow 20 by the bluff body 216, so that the airflow 20 forms a ridge. The gas return region 218 of the crop planting portion 104. The greenhouse 102 can be locally temperature controlled by the gas flow 20 in the gas return region 218, while the crop planting portion 106 is maintained within a predetermined temperature range, and even the crop growth space 108 in which the crop planting portion 106 is located can be maintained at In the predetermined temperature range, instead of performing full temperature control on the greenhouse 102, in addition to effective temperature control, the consumption of air conditioning energy can be reduced.

Fig. 7 is a schematic view showing a greenhouse apparatus according to a third embodiment of the present invention. FIG. 8 is a schematic diagram showing the size design of the temperature control module according to the third embodiment of the present invention. 9A to 9D are graphs showing temperature distributions at a temperature control time of 300 seconds, 600 seconds, 1800 seconds, and 3600 seconds, respectively, using the greenhouse device of the third embodiment of the present invention.

Referring to FIG. 1 and FIG. 7 simultaneously, the difference between the third embodiment and the first embodiment is that in the greenhouse device 300 of the third embodiment, the airflow inlet 314 and the bluff body 316 of the temperature control module 306 are disposed on the crop plant. Below the planting portion 104, a gas outlet 320 is disposed above the crop planting portion 104 such that the gas stream 20 bypasses the bluff body 316 to form a gas reflux region 318 of the mulch crop planting portion 104. In addition, components of the third embodiment that are similar to those of the first embodiment are denoted by the same reference numerals, and have similar structures, arrangements, and functions, and thus will not be described again.

Next, the size design of the temperature control module 306 is illustrated by using FIG. 8 , but is not limited thereto. Referring to Figure 8, the width of the bluff body 316 is about 0.4 meters, the height of the bluff body 316 is about 0.23 meters, the width of the crop planting portion 104 is about 0.68 meters, and the width of the gas inlet 314 is about 0.1 meters. The gas outlet 320 has a width of about 0.2 to 2.0 meters and contains planted soil or The height of the container 112 of the culture solution is about 0.2 to 2.0 meters, the distance between the gas inlet 314 and the bluff body 316 is about 0.2 to 2.0 meters, and the distance between the gas inlet 314 and the gas outlet 320 is about 1.5 meters. The gas inlet 314 The distance from the top of the crop planting portion 104 is about 1.33 meters, the distance between the gas outlet 320 and the bottom of the crop planting portion 104 is about 0.2 to 2.0 meters, and the shape of the bluff body 316 is a triangle or the other, the above size The quantity and type are only examples and are not limited to this. In addition, the continuous arrows in FIG. 8 indicate the flow direction of the gas stream 20, whereby the manner in which the gas reflux region 318 is formed can be seen.

Referring to FIG. 9A to FIG. 9D simultaneously, when the temperature control time is increased from 300 seconds, 600 seconds, 1800 seconds to 3600 seconds, it can be clearly seen that the probe temperature refers to the crop above the container 112 containing the plant soil. The air temperature and the probe temperature continuously decrease with the increase of the temperature control time to a temperature suitable for strawberry growth, and the overall average temperature of the crop growth space 108 and the non-crop growth space 110 decreases with the temperature control time. However, in general, the temperature suitable for plant growth is still concentrated in the crop growth space 108.

Similarly, the greenhouse device 300 of the above embodiment changes the flow direction of the guiding airflow 20 by the bluff body 316, so that the airflow 20 forms the gas return region 318 of the ridge crop planting portion 104. The greenhouse 102 can be locally temperature controlled by the gas flow 20 in the gas return region 318, while the crop planting portion 106 is maintained within a predetermined temperature range, and even the crop growth space 108 in which the crop planting portion 106 is located can be maintained at In the predetermined temperature range, instead of performing full temperature control on the greenhouse 102, in addition to effective temperature control, the consumption of air conditioning energy can be reduced.

Figure 10 is a diagram showing a greenhouse device according to a fourth embodiment of the present invention. intention. FIG. 11 is a schematic diagram showing the size design of the temperature control module according to the fourth embodiment of the present invention. 12A to 12D are graphs showing temperature distributions at a temperature control time of 300 seconds, 600 seconds, 1800 seconds, and 3600 seconds, respectively, using the greenhouse device of the fourth embodiment of the present invention.

Referring to FIG. 7 and FIG. 10 simultaneously, the difference between the fourth embodiment and the third embodiment is that in the greenhouse device 400 of the third embodiment, the bluff body 416 of the temperature control module 406 can be used to carry the crop planting portion 104. The disc bed may also be used directly as a disc bed, and the temperature control module 406 further includes a gas duct 432. The gas conduit 432 has airflow inlets 414 on either side of the crop planting portion 104, and directs the flow of air 20 to the bottom of the bluff body 416 and out of the airflow inlet 414 along both sides of the bluff body 416 such that the airflow 20 bypasses the bluff body 416. The gas reflux region 418 of the ridge crop planting portion 104 is formed. The ratio of the width of the gas conduit 432 to the width of the bluff body 416 is, for example, about 1:1 to 1:10. The airflow outlet 420 of the temperature control module 406 is disposed, for example, on the upper surface of the bluff body 416. In this embodiment, according to an embodiment of the present invention, the temperature control module may further include a temperature rise and fall device 434 installed on the bluff body 416 to maintain a constant root temperature of the crop 10. The temperature of the airflow 20 flowing through the bluff body 416 can be heated or cooled to fine tune the temperature interval of the mulch crop planting portion 104. In addition, members of the fourth embodiment that are similar to the third embodiment are denoted by the same reference numerals, and have similar structures, arrangements, and functions, and thus will not be described again.

Next, the size design of the temperature control module 406 is illustrated by using FIG. 11 , but is not limited thereto. Referring to FIG. 11, the aspect ratio (width/height) of the bluff body 416 is about 2 to 20, and the width of the crop planting portion 104 is about 0.2 to 4.0. The width of the gas inlet 414 is about 0.2 to 4.0 meters, the width of the gas outlet 420 is about 0.2 to 4.0 meters, and the height of the container 112 containing the planted soil or culture solution is about 0.2 to 4.0 meters. The length of the central vertical portion of 432 is about 0.75 meters, the length of the horizontal portion of the gas pipe 432 is about 0.6 meters, and the length of the horizontal portions on both sides of the gas pipe 432 is about 0.27 meters respectively. The gas pipe 432 is perpendicular to both sides. The length of the part is about 0.2 meters, and the shape of the bluff body 316 is a rectangular body or the like. The above dimensions, proportions, quantities and shapes are only exemplified, and are not limited thereto. Further, the continuous arrows in FIG. 11 indicate the flow direction of the gas flow 20, whereby the manner in which the gas recirculation region 418 is formed can be seen.

Referring to FIG. 12A to FIG. 12D simultaneously, when the temperature control time is increased from 300 seconds, 600 seconds, 1800 seconds to 3600 seconds, it can be clearly seen that the probe temperature refers to the crop above the container 112 containing the plant soil. The air temperature and the probe temperature continuously decrease with the increase of the temperature control time to a temperature suitable for strawberry growth, and the overall average temperature of the crop growth space 108 and the non-crop growth space 110 decreases with the temperature control time. However, in general, the temperature suitable for plant growth is still concentrated in the crop growth space 108.

Similarly, the greenhouse device 400 of the above embodiment is configured to change the flow direction of the guiding airflow 20 by the bluff body 416, so that the airflow 20 forms the gas return region 418 of the ridge crop planting portion 104. In addition, the greenhouse device 400 can be further assisted by a gas conduit 432 to form a gas return region 418 of the ridge crop plant 104. The greenhouse 102 can be locally temperature controlled by the gas stream 20 in the gas return zone 418 while the crop plant 106 is maintained In the predetermined temperature range, the crop growth space 108 in which the crop planting portion 106 is located can be maintained within a predetermined temperature range instead of performing full temperature control on the greenhouse 102, so that in addition to effective temperature control, It can reduce the consumption of air conditioning energy.

FIG. 13 is a flow chart showing a temperature control mode of a greenhouse according to a fifth embodiment of the present invention.

First, referring to FIG. 13, step S100 is performed to provide a temperature control module for the greenhouse. The temperature control module can be the temperature control module 106, 206, 306, 406 or a combination thereof disclosed in the above embodiments.

Next, step S102 is performed to set a predetermined temperature range of the crop plant. The predetermined temperature range of the greenhouse is, for example, the optimum growing environment for the crop.

Then, step S104 is performed to detect the indoor temperature. The indoor temperature is, for example, the indoor temperature of the crop planting portion. The method of detecting the indoor temperature is, for example, detecting by using a temperature sensor module.

Next, proceeding to step S106, it is determined whether the indoor temperature has reached a predetermined temperature range. When the indoor temperature does not reach the predetermined temperature range, step S108 is performed to activate the temperature control module to adjust the temperature of the crop planting portion to a predetermined temperature range. In addition, after performing step S108, steps S104 to S106 are further included to determine whether the indoor temperature reaches a predetermined temperature range.

When the indoor temperature has reached the predetermined temperature range, step S110 is performed to stop the temperature control module. In addition, when the temperature control module is stopped, a ventilation operation can be performed to maintain the temperature of the planting zone within a predetermined temperature range. In addition, after performing step S110, it further includes performing step S104 again. S106, to determine whether the indoor temperature reaches a predetermined temperature range.

Based on the above embodiments, the temperature control method of the greenhouse can locally control the crop planting part in the greenhouse by the temperature control device, instead of performing full room temperature control on the greenhouse, thereby having the effect of saving energy. In addition, when the step of adjusting the indoor illuminance is performed, the control of the indoor temperature can be assisted.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

10‧‧‧ crops

20‧‧‧ airflow

100, 200, 300, 400 ‧ ‧ greenhouses

102‧‧ ‧ greenhouse

104‧‧‧ Crop Planting Department

106, 206, 306, 406‧‧‧ temperature control module

108‧‧‧ Crop growth space

110‧‧‧ Non-crop growing space

112‧‧‧Container containing plant soil or culture

114, 214, 314, 414‧‧‧ airflow imports

116, 216, 316, 416‧‧ ‧ bluff body

118, 218, 318, 418‧‧‧ gas recirculation zone

120, 320, 420‧‧‧ gas exports

122‧‧‧Temperature Sensor Module

124‧‧‧Ventilation

126‧‧‧shading device

128‧‧‧Indoor temperature sensor

129‧‧‧ louver

130‧‧‧Outdoor temperature sensor

432‧‧‧ gas pipeline

434‧‧‧Lifting and lowering device

S100, S102, S104, S106, S108, S110, S112, S114, S116, S118, S120, S122, S124, S126, S128, S130‧‧

1 is a schematic view of a greenhouse apparatus according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram showing the size design of the temperature control module according to the first embodiment of the present invention.

3A to 3D respectively show temperature distribution diagrams of the greenhouse device using the second embodiment of the present invention at temperature control times of 300 seconds, 600 seconds, 1800 seconds, and 3600 seconds.

4 is a schematic view of a greenhouse apparatus according to a second embodiment of the present invention.

FIG. 5 is a schematic diagram showing the size design of the temperature control module according to the second embodiment of the present invention.

6A to 6D respectively show that the greenhouse device using the second embodiment of the present invention has a temperature control time of 300 seconds, 600 seconds, 1800 seconds, and 3600. Temperature distribution at the second.

Fig. 7 is a schematic view showing a greenhouse apparatus according to a third embodiment of the present invention.

FIG. 8 is a schematic diagram showing the size design of the temperature control module according to the third embodiment of the present invention.

9A to 9D are graphs showing temperature distributions at a temperature control time of 300 seconds, 600 seconds, 1800 seconds, and 3600 seconds, respectively, using the greenhouse device of the third embodiment of the present invention.

FIG. 10 is a schematic view showing a greenhouse apparatus according to a fourth embodiment of the present invention.

FIG. 11 is a schematic diagram showing the size design of the temperature control module according to the fourth embodiment of the present invention.

12A to 12D are graphs showing temperature distributions at a temperature control time of 300 seconds, 600 seconds, 1800 seconds, and 3600 seconds, respectively, using the greenhouse device of the fourth embodiment of the present invention.

FIG. 13 is a flow chart showing a temperature control mode of a greenhouse according to a fifth embodiment of the present invention.

10‧‧‧ crops

20‧‧‧ airflow

100‧‧‧Greenhouse installation

102‧‧ ‧ greenhouse

104‧‧‧ Crop Planting Department

106‧‧‧temperature control module

108‧‧‧ Crop growth space

110‧‧‧ Non-crop growing space

112‧‧‧Container containing plant soil or culture

114‧‧‧Airflow import

116‧‧‧ bluff body

118‧‧‧ gas recirculation zone

120‧‧‧ gas export

122‧‧‧Temperature Sensor Module

124‧‧‧Ventilation

126‧‧‧shading device

128‧‧‧Indoor temperature sensor

129‧‧‧ louver

130‧‧‧Outdoor temperature sensor

Claims (10)

A temperature control module for a greenhouse, comprising: an airflow inlet disposed in the greenhouse to provide a gas flow; and at least one bluff body disposed at a relative position of the airflow inlet to cause the airflow to flow to the bluff body A gas reflux region is formed. The temperature control module of the greenhouse according to claim 1, wherein the relative position refers to at least one position of changing and guiding the flow of the airflow. The temperature control module of the greenhouse according to claim 1, wherein the bluff body comprises a disk bed. The temperature control module of the greenhouse according to claim 3, further comprising a gas pipe to guide the airflow to the bottom of the disk bed and to flow out from the airflow inlet along both sides of the disk bed. The temperature control module of the greenhouse according to claim 3, further comprising a temperature rise and fall device installed on the disk bed. The temperature control module of the greenhouse according to claim 1, wherein the bluff body is one of a square body, a rectangular body, a triangular body, a disk body, a cone or a combination thereof. The temperature control module of the greenhouse according to claim 1, further comprising a gas outlet disposed near the gas recirculation zone. A temperature control method for a greenhouse, comprising: providing a temperature control module for a greenhouse according to any one of claims 1 to 7; setting a predetermined temperature range of a crop plant; Detecting an indoor temperature; and determining whether the indoor temperature reaches the predetermined temperature range, and when the indoor temperature does not reach the predetermined temperature range, starting the temperature control module, when the indoor temperature has reached the predetermined temperature range When the temperature control module is stopped. The temperature control method for a greenhouse according to claim 8, wherein after the step of starting the temperature control module, the method further comprises the step of determining whether the indoor temperature reaches the predetermined temperature range. The temperature control method for a greenhouse according to claim 8, wherein after the step of stopping the temperature control module, the method further comprises the steps of detecting the temperature of the room again, and determining whether the indoor temperature reaches the predetermined temperature. The steps within the scope.