Air blowing system and air conditioning system

Abstract

To provide an air blowing system capable of restraining a user from feeling discomfort due to a temperature difference between rooms by making humidity in a building uniform.SOLUTION: An air blowing system is provided to a building, in which a first space and a second space is formed. The air blowing system comprises an air blowing device provided in an air channel for communicating the first space with the second space, and environment information acquisition means. The air blowing device starts delivering air in the first space to the second space when a preset starting condition is satisfied during a stop of the air blowing device. The environment information acquisition means acquires information relating to relative humidity of outside air. The starting condition is that the relative humidity of the outside air is not less than preset first reference humidity within a preset first reference time.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present disclosure relates to a ventilation system and an air conditioning system. [Background technology]

[0002] In conventional air conditioning systems that provide air conditioning within buildings such as houses, there are known systems that send air from an air-conditioned space in which an air conditioner is installed to a non-air-conditioned space in which no air conditioner is installed (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] International Publication No. 2015 / 018989 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the system shown in Patent Document 1, the humidity of the outdoors is not taken into consideration. For this reason, for example, when the humidity of the outside air is significantly high, such as during rainy weather, the air blowing operation is not performed, and it may not be possible to suppress the increase in humidity in the non-air-conditioned space. In addition, when items containing water, such as wet umbrellas and shoes, are left standing in the non-air-conditioned space, the air blowing operation is not performed, and it may not be possible to suppress the increase in humidity in the non-air-conditioned space. In addition, when humidification is performed in the air-conditioning space in winter, the humidified air is transported and cooled by the entrance door, window, drafts, etc., which have a temperature difference with the outside air, and condensation may occur.

[0005] The present disclosure has been made to solve such problems. An object of the present disclosure is to provide an air supply system and an air conditioning system that can equalize the humidity in each space in a building and prevent the humidity from increasing in some spaces in the building. [Means for solving the problem]

[0006] The air blowing system of the present disclosure is an air blowing system installed in a building in which a first space and a second space are formed, and includes an air blowing device installed in an air duct connecting the first space and the second space, and an environmental information acquisition means, wherein the air blowing device starts transporting air from the first space to the second space when a predetermined start condition is met while the air blowing device is stopped, the environmental information acquisition means acquires information regarding the relative humidity of the outside air, and the start condition is that the relative humidity of the outside air is equal to or higher than a predetermined first standard relative humidity.

[0007] An air conditioning system according to the present disclosure includes the above-described air blowing system and an air conditioner that conditions air in the first space. Effect of the Invention

[0008] The air supply system and air conditioning system according to the present disclosure have the advantage of being able to equalize the humidity in each space within a building and prevent the humidity from increasing in some spaces within the building. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a plan view showing a schematic example of a building to which the air blowing system according to the first embodiment is applied. [Diagram 2] 2 is a cross-sectional view taken along line YY in FIG. 1. [Diagram 3] 2 is a block diagram showing the configuration of a control system of the air blowing system according to the first embodiment. FIG. [Figure 4] 4 is a flow chart showing an example of the operation of the air blowing system according to the first embodiment. FIG. [Diagram 5] FIG. 4 is a plan view showing a schematic diagram of another example of a building to which the air blowing system according to the first embodiment is applied. [Figure 6] 6 is a cross-sectional view taken along line AA in FIG. 5. [Figure 7] 6 is a cross-sectional view taken along the line BB in FIG. 5. [Figure 8]10 is a diagram showing airflow when the blower is stopped in another example of the blower system according to the first embodiment. FIG. [Figure 9] 7 is a diagram showing airflow during operation of the blower device in another example of the blower system according to the first embodiment. FIG. [Figure 10] FIG. 11 is a plan view showing a schematic example of a building to which an air conditioning system according to a second embodiment is applied. [Figure 11] FIG. 11 is a block diagram showing the configuration of a control system of an air conditioning system according to a second embodiment. [Figure 12] FIG. 11 is a flow diagram showing an example of the operation of the air conditioning system according to the second embodiment. [Figure 13] FIG. 11 is a flow diagram showing an example of the operation of the air conditioning system according to the second embodiment. [Figure 14] FIG. 2 is a diagram illustrating an example of a configuration for implementing the functions of a control device of an air blowing system and an air conditioning system according to the present disclosure. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] The embodiments for implementing the air blowing system and the air conditioning system according to the present disclosure will be described with reference to the accompanying drawings. In each drawing, the same or corresponding parts are given the same reference numerals, and duplicated descriptions are appropriately simplified or omitted. In the following description, for convenience, the positional relationship of each structure may be expressed based on the illustrated state. Note that the present disclosure is not limited to the following embodiments, and it is possible to freely combine each embodiment, modify any component of each embodiment, or omit any component of each embodiment within the scope of the present disclosure.

[0011] Embodiment 1 A first embodiment of the present disclosure will be described with reference to Figs. 1 to 9. Fig. 1 is a plan view showing a schematic example of a building to which a blowing system is applied. Fig. 2 is a cross-sectional view taken along section YY in Fig. 1. Fig. 3 is a block diagram showing a configuration of a control system for the blowing system. Fig. 4 is a flow diagram showing an example of the operation of the blowing system. Fig. 5 is a plan view showing a schematic example of another example of a building to which a blowing system is applied. Fig. 6 is a cross-sectional view taken along section AA in Fig. 5. Fig. 7 is a cross-sectional view taken along section BB in Fig. 5. Fig. 8 is a diagram showing airflow when the blowing device is stopped in another example of the blowing system. Fig. 9 is a diagram showing airflow when the blowing device is operating in another example of the blowing system.

[0012] FIG. 1 is a schematic diagram showing an example of a building 10 in which a ventilation system according to this embodiment is installed. As shown in the figure, the building 10 has one or more rooms. In the example shown in the figure, a first space 11 and a second space 12 are formed as the internal space of the room. The first space 11 is, for example, the internal space of a living room. As defined in, for example, Article 2, Paragraph 4 of the Building Standards Act, a living room is a room that is continuously used for residence, office work, work, meetings, entertainment, or other similar purposes. Specific examples of living rooms include a living room, a dining room, a kitchen, a Japanese-style room, and a bedroom.

[0013] The second space 12 is, for example, the interior space of a non-habitable room. A non-habitable room is a room other than an occupant room provided in the building 10. Specific examples of non-habitable rooms include a toilet (restroom), a bathroom, a dressing room, a washroom, a laundry room, a walk-in closet, and the like. Particularly here, the second space 12 is the interior space of a room suitable for drying washed clothes indoors, such as a bathroom, a dressing room, a washroom, or a laundry room. A door 14 is provided between the first space 11 and the second space 12.

[0014] As shown in Figs. 1 and 2, a duct 20 is provided above the ceiling of the first space 11 and the second space 12. One end of the duct 20 is connected to an intake port 21 formed in the ceiling of the first space 11. The other end of the duct 20 is connected to an exhaust port 22 formed in the ceiling of the second space 12. An air passage that connects the first space 11 and the second space 12 is formed inside the duct 20. A blower 30 is provided in the middle of the duct 20. The blower 30 has a built-in fan.

[0015] When the blower 30 operates, that is, when the fan of the blower 30 operates, an airflow is generated in the air passage in the duct 20, moving from the first space 11 side to the second space 12 side. When the blower 30 operates, air in the first space 11 is sucked into the duct 20 through the intake port 21. The air sucked into the duct 20 moves toward the second space 12 side, and is blown out from the exhaust port 22 into the second space 12. In this way, the blower 30 transports the air in the first space 11 to the second space 12.

[0016] The air passage connecting the first space 11 and the second space 12 is not limited to the duct 20 installed above the ceiling. For example, when the first space 11 and the second space 12 are adjacent rooms as shown in Fig. 1 and Fig. 2, an air passage connecting the first space 11 and the second space 12 may be formed by a duct or the like provided through a wall separating the first space 11 and the second space 12.

[0017] The air blowing system according to this embodiment includes a control device 100 as shown in Fig. 1. The control device 100 controls the operation of the air blowing device 30. As shown in Fig. 3, the control device 100 includes an information acquisition unit 111 and a control unit 112. The information acquisition unit 111 acquires various information necessary for the operation of the air blowing device 30. The control unit 112 controls the operation of the air blowing device 30 based on the information acquired by the information acquisition unit 111. As shown in the figure, the air blowing system includes an environmental sensor 60. The environmental sensor 60 is a sensor that detects physical quantities related to one or both of the internal and external environments of the building 10.

[0018] Specific examples of physical quantities related to the external environment of the building 10 include the temperature and humidity (one or both of relative humidity and absolute humidity) of the air (outside air) outside the building 10. Specific examples of physical quantities related to the internal environment of the building 10 include the following:

[0019] The temperature and humidity (one or both of relative humidity and absolute humidity) of the air in the first space 11 The temperature and humidity (one or both of relative humidity and absolute humidity) of the air in the second space 12

[0020] The environmental sensor 60 has a sensor corresponding to a physical quantity to be detected. The sensor is basically installed at a location to be detected.

[0021] Information acquisition unit 111 periodically (e.g., every few minutes) acquires the detection result of environmental sensor 60. Environmental sensor 60 and information acquisition unit 111 constitute environmental information acquisition means for acquiring environmental information. Then, control unit 112 controls the operation of blower device 30 according to the detection result of environmental sensor 60 acquired by information acquisition unit 111, i.e., according to the environmental information acquired by the environmental information acquisition means.

[0022] The control device 100 is also communicatively connected to an external device 70 via a communication line 200 such as the Internet. The external device 70 is, for example, a server that provides meteorological information. The information acquisition unit 111 of the control device 100 acquires meteorological information from the external device 70 via the communication line 200. The meteorological information includes physical quantities related to the external environment.

[0023] The control unit 112 of the control device 100 starts the operation of the air blower 30 when a preset start condition is satisfied while the air blower 30 is stopped. That is, when the start condition is satisfied while the air blower 30 is stopped, the air blower 30 starts transporting air from the first space 11 to the second space 12.

[0024] Next, examples of start conditions for the operation of the blower device 30 will be described. A first example of the start condition for the operation of the blower device 30 is that the relative humidity of the outside air is equal to or higher than a first reference relative humidity set in advance. In this case, the environmental information acquisition means acquires information on the relative humidity of the outside air. The information on the relative humidity of the outside air acquired by the environmental information acquisition means may be an actual measured value or a predicted value of the relative humidity of the outside air.

[0025] When an actual measured value of the relative humidity of the outside air is used as the information on the relative humidity of the outside air, the environment sensor 60 can detect at least the humidity of the outside air, and the information acquisition unit 111 acquires the actual measured value of the humidity of the outside air detected by the environment sensor 60 as the information on the relative humidity of the outside air. When a predicted value of the relative humidity of the outside air is used as the information on the relative humidity of the outside air, the information acquisition unit 111 acquires, for example, a predicted value of the relative humidity of the area where the building 10 is located from a weather information server which is the external device 70, as the information on the relative humidity of the outside air. Alternatively, the control device 100 may include a prediction unit (not shown) that predicts the relative humidity of the outside air, and the information acquisition unit 111 may acquire the predicted value of the relative humidity of the outside air from the prediction unit of the control device 100.

[0026] Then, the control unit 112 of the control device 100 starts the operation of the blower 30 when the relative humidity of the outside air acquired by the information acquisition unit 111 is equal to or higher than the first reference relative humidity. The first reference relative humidity is, for example, 80%. In this way, when the relative humidity of the outside air is high, such as 80% or higher, the air of the first space 11 is introduced into the second space 12, thereby making the relative humidity in the building 10 uniform and reducing the discomfort of the user due to the humidity difference between the rooms. In addition, by transporting the air of the first space 11 to the second space 12, a new circulating airflow is generated in the second space 12. By circulating the air in a large circle, it is possible to prevent localized high humidity due to stagnation of air.

[0027] In the configuration example described here, as described above, the first space 11 is an interior space of an occupied room, and the second space 12 is an interior space of a non-occupied room. When the blower 30 is stopped, outside air flows into the first space 11 and the second space 12 through gaps in the building 10. The first space 11, which is often occupied by people, is likely to become hotter than the second space 12 due to heat transfer from the people to the air in the first space 11. Therefore, the relative humidity in the second space 12, which is a non-occupied room, is likely to be higher than that in the first space 11, which is an occupied room.

[0028] Furthermore, the first space 11, which is an occupant room, is often located further south than the second space 12, which is a non-occupant room, and is therefore more susceptible to the effects of solar radiation. Due to these factors, the first space 11, which is an occupant room, is more likely to become hotter than the second space 12, and therefore the relative humidity in the second space 12, which is a non-occupant room, is more likely to be higher than in the first space 11, which is an occupant room.

[0029] In particular, when the outside air is humid, the second space 12, which is more likely to be humid than the first space 11 for the above reasons, is less comfortable for the user. In addition, during prolonged rainy weather or when the outside air is humid, the high humidity state in the second space 12 may continue for a long time. In such cases, mold is more likely to grow in the second space 12.

[0030] In contrast, according to the air blowing system configured as described above, when the outside air is humid, the air in the first space 11, which is an occupied room, is transported to the second space 12, which is a non-occupied room, thereby promoting a decrease in humidity in the second space 12. Furthermore, by generating an air flow in the second space 12, it is possible to prevent the humidity from increasing locally due to stagnation of air.

[0031] Next, a second example of the start condition for the operation of the blower device 30 is that the relative humidity of the outside air is equal to or higher than a first reference relative humidity, or that the temperature of the outside air is equal to or lower than a first reference temperature set in advance. In this case, the environmental information acquisition means acquires information on the temperature of the outside air in addition to information on the relative humidity of the outside air. The information on the temperature of the outside air acquired by the environmental information acquisition means may be an actual measurement value or a predicted value of the temperature of the outside air.

[0032] When an actual measured value of the outside air temperature is used as the information relating to the outside air temperature, the environment sensor 60 is capable of detecting at least the outside air temperature, and the information acquisition unit 111 acquires the actual measured value of the outside air temperature detected by the environment sensor 60 as the information relating to the outside air temperature. When a predicted value of the outside air temperature is used as the information relating to the outside air temperature, the information acquisition unit 111 acquires, for example, a predicted value of the air temperature in the area where the building 10 is located from a weather information server which is the external device 70, as the information relating to the outside air temperature. Alternatively, the control device 100 may include a prediction unit (not shown) that predicts the outside air temperature, and the information acquisition unit 111 may acquire the predicted value of the outside air temperature from the prediction unit of the control device 100.

[0033] The control unit 112 of the control device 100 starts the operation of the blower 30 when the relative humidity of the outside air acquired by the information acquisition unit 111 is equal to or higher than the first reference relative humidity. The control unit 112 of the control device 100 also starts the operation of the blower 30 when the temperature of the outside air acquired by the information acquisition unit 111 is equal to or lower than the first reference temperature. The first reference temperature is, for example, 6°C. When the outside air temperature is low, such as 6°C or lower, the air inside the building 10, which is hotter than the outside air, may be cooled by the outside air that has entered the building 10 through gaps in the building 10 and condense. By transporting the air from the first space 11 to the second space 12 at such low temperatures and homogenizing the relative humidity inside the building 10, it is possible to homogenize the dew point temperature of the air inside the building 10 and suppress the occurrence of condensation.

[0034] In particular, when the first space 11 is an interior space of an occupied room and the second space 12 is an interior space of a non-occupied room, the humidity in the second space 12 can be reduced by transporting the air in the first space 11, which is an occupied room, to the second space 12, which is a non-occupied room. Furthermore, by generating an air flow in the second space 12, it is possible to prevent localized increases in humidity due to stagnation of air. Therefore, it is possible to prevent condensation when the outside air temperature is low by lowering the dew point temperature due to the decrease in relative humidity in the second space 12.

[0035] A third example of the start condition for the operation of the blower device 30 is that the relative humidity of the outside air is equal to or higher than a first reference relative humidity and the temperature of the outside air is equal to or higher than a preset second reference temperature. In this case, similar to the second example of the start condition, the environmental information acquisition means acquires information on the temperature of the outside air in addition to information on the relative humidity of the outside air. The information on the temperature of the outside air acquired by the environmental information acquisition means may be an actual measured value or a predicted value of the temperature of the outside air.

[0036] Then, the control unit 112 of the control device 100 starts the operation of the blower 30 when the relative humidity of the outside air acquired by the information acquisition unit 111 is equal to or higher than the first reference relative humidity and the temperature of the outside air acquired by the information acquisition unit 111 is equal to or higher than the second reference temperature. The second reference temperature is set according to the average temperature during the rainy season in the area where the building 10 is located. For example, when the building 10 is in Tokyo, the second reference temperature is set to 21.9°C, which is the average annual value of the average temperature in June in Tokyo.

[0037] From the rainy season through to summer, when temperatures are high, the absolute humidity is high indoors, making people particularly susceptible to discomfort caused by moisture in the air. On the other hand, in winter, the temperature is low, so even if the relative humidity is high, the air feels dry with little moisture, and so there is often no need to transport air using the blower 30. According to the third example of the start condition, unnecessary operation of the blower 30 can be suppressed when the outdoor air is humid in winter, making it possible to reduce power consumption.

[0038] A fourth example of the start condition for operation of the blower 30 is that the relative humidity of the outside air is equal to or higher than a first reference relative humidity, or that one or both of the absolute humidity of the first space 11 and the absolute humidity of the second space 12 are equal to or higher than a preset first reference absolute humidity. In this case, the environmental information acquisition means further acquires, in addition to information on the relative humidity of the outside air, one or both of information on the absolute humidity of the first space 11 and information on the absolute humidity of the second space 12. That is, the environmental sensor 60 is capable of detecting one or both of the absolute humidity of the first space 11 and the absolute humidity of the second space 12.

[0039] Then, the control unit 112 of the control device 100 starts the operation of the blower 30 when the relative humidity of the outside air acquired by the information acquisition unit 111 is equal to or higher than the first reference relative humidity. The control unit 112 of the control device 100 also starts the operation of the blower 30 when one or both of the absolute humidity of the first space 11 and the absolute humidity of the second space 12 are equal to or higher than the first reference absolute humidity set in advance. In other words, the blower 30 starts operating when the higher of the absolute humidity of the first space 11 and the absolute humidity of the second space 12 is equal to or higher than the first reference absolute humidity. The first reference absolute humidity is, for example, an absolute humidity calculated from a temperature and relative humidity at which the discomfort index is 75 or higher in summer. In this way, when the user feels uncomfortable, the blower 30 starts transporting air to circulate the air in the building 10, thereby making it possible to equalize and reduce the absolute humidity.

[0040] A fifth example of a condition for starting the operation of the blower 30 is that the relative humidity of the outside air is equal to or higher than a first reference relative humidity, and the relative humidity of the second space 12 is higher than the relative humidity of the first space 11. In this case, the environmental information acquisition means further acquires information on the relative humidity of the first space 11 and information on the relative humidity of the second space 12, in addition to information on the relative humidity of the outside air. That is, the environmental sensor 60 is capable of detecting the relative humidity of the first space 11 and the relative humidity of the second space 12.

[0041] Then, the control unit 112 of the control device 100 starts the operation of the air blower 30 when the relative humidity of the outside air acquired by the information acquisition unit 111 is equal to or higher than the first reference relative humidity and the relative humidity of the second space 12 acquired by the information acquisition unit 111 is higher than the relative humidity of the first space 11 acquired by the information acquisition unit 111. In this manner, the air blower 30 transports the relatively low-humidity air of the first space 11 to the second space 12, thereby reducing the relative humidity of the air in the second space 12. The reduction in the relative humidity in the second space 12 can suppress the discomfort of the user and the growth of mold.

[0042] The control device 100 stops the operation of the blower device 30 when a preset stop condition is satisfied during the operation of the blower device 30. That is, the blower device 30 stops transporting the air of the first space 11 to the second space 12 when the stop condition is satisfied during the operation of the blower device 30. One example of a stop condition for the operation of the blower device 30 is that a state in which the relative humidity of the outside air is equal to or lower than a preset second reference relative humidity continues for a preset first reference time or more. The second reference relative humidity is set to a value lower than the above-mentioned first reference relative humidity. For example, when the first reference relative humidity is 80% as described above, the second reference relative humidity is set to 70%. The first reference time is, for example, 4 hours.

[0043] This stop condition is based on the assumption that there are clothes, bedding, etc. in the second space 12. If the transport of air from the first space 11 is immediately stopped in response to a drop in humidity in the second space 12, moisture may be discharged from the clothes, bedding, etc. in the second space 12, causing the humidity to increase. By continuing to transport air for a certain period of time even if the humidity of the outside air has dropped to a certain degree, moisture is sufficiently released from the clothes and bedding that have absorbed moisture, and it is possible to prevent the humidity in the second space 12 from rising again.

[0044] As described above, in the air blowing system of this embodiment, a new circulating airflow is generated in the building 10 by transporting air from the first space 11 to the second space 12 by operating the air blowing device 30. By circulating the air widely, localized high humidity caused by stagnation of air in the second space 12 is suppressed. In addition, the humidity difference between the first space 11 and the second space 12 can be made smaller than before the air is transported by the air blowing device 30. In other words, it is possible to equalize the humidity in each space in the building 10, and it is possible to suppress an increase in humidity in some spaces in the building. This makes it possible to suppress discomfort caused by humidity differences between rooms. In addition, an increase in humidity caused by moisture-absorbed clothing and the like in the second space 12 is suppressed.

[0045] The operation of the blower device 30 may be started or stopped by an instruction from the user. That is, the start condition and / or the stop condition may include an instruction from the user. The user can instruct the start or stop of the operation of the blower device 30, for example, by operating a remote control (not shown) or a mobile terminal such as a smartphone (not shown) held by the user. In this case, regardless of whether the start condition based on the detection result of the environmental sensor 60 described above is satisfied, when the user performs an operation to start the operation of the blower device 30, the control unit 112 of the control device 100 starts the operation of the blower device 30. Also, regardless of whether the stop condition based on the detection result of the environmental sensor 60 described above is satisfied, when the user performs an operation to stop the operation of the blower device 30, the control unit 112 of the control device 100 stops the operation of the blower device 30.

[0046] In this case, the remote control, mobile terminal, etc. are input means by which the user inputs a start instruction or a stop instruction. The blower device 30 starts operating when a start instruction is input by the input means. The blower device 30 stops operating when a stop instruction is input by the input means.

[0047] Next, an example of the operation of the air blowing system according to this embodiment will be described with reference to the flow diagram of Fig. 4. First, in step S11, while the operation of the air blowing device 30 is stopped, the information acquisition unit 111 of the control device 100 acquires environmental information such as the detection result of the environmental sensor 60. Then, in the following step S12, the control unit 112 of the control device 100 judges whether or not the above-mentioned start condition is satisfied. If the start condition is not satisfied, the control device 100 returns to step S11 and continues the process. On the other hand, if the start condition is satisfied, the control device 100 next performs the process of step S13.

[0048] In step S13, the control unit 112 of the control device 100 starts the operation of the blower device 30. In the following step S14, the control unit 112 of the control device 100 determines whether or not the above-mentioned stop condition is satisfied. If the stop condition is not satisfied, the control device 100 continues the operation of the blower device 30 until the stop condition is satisfied. Then, if the stop condition is satisfied, the control device 100 next performs the process of step S15. In step S15, the control unit 112 of the control device 100 stops the operation of the blower device 30. When the process of step S15 is completed, the series of operations ends.

[0049] In the air blowing system according to this embodiment, the air blowing device 30 may be stopped when a person is present in the second space 12. In this case, for example, an infrared sensor, a camera, etc. are installed in the second space 12. The control device 100 is provided with a human detection unit (not shown). The human detection unit of the control device 100 detects the presence or absence of a person in the second space 12 using the detection result of the infrared sensor or an image taken by the camera. Even if the start condition described above is satisfied, the control unit 112 of the control device 100 stops the operation of the air blowing device 30 when the human detection unit detects that a person is present in the second space 12. In particular, in winter, the wind blowing out from the air outlet 22 may be uncomfortable for the user. In particular, when the second space 12 is a dressing room, the user may feel uncomfortable when the wind hits a user who is not wearing clothes. Therefore, by stopping the operation of the air blowing device 30 when a person is present in the second space 12, such discomfort can be suppressed.

[0050] In the air blowing system according to this embodiment, the air blowing device 30 may be stopped when the door 14 communicating between the first space 11 and the second space 12 is open. In this case, the door 14 is provided with an open / close sensor, a magnet switch, or the like for detecting the open / close state of the door 14. The control device 100 is provided with a door open / close detection unit (not shown). The door open / close detection unit of the control device 100 detects the open / close state of the door 14 using the detection result of the open / close sensor or the operation state of the magnet switch. Even if the start conditions described above are satisfied, the control unit 112 of the control device 100 stops the operation of the air blowing device 30 when the door open / close detection unit detects that the door 14 is open. When the door 14 is open, air flows between the first space 11 and the second space, which is expected to reduce humidity in the second space 12 and suppress mold. For this reason, by stopping the operation of the air blowing device 30 when the door 14 is open, unnecessary power consumption can be suppressed.

[0051] In the air blowing system according to this embodiment, the air blowing device 30 may be configured to stop operating during a stop time period input by the user during a day. In this case, the user can input the stop time period by operating an input means such as the remote control or mobile terminal described above. The control device 100 is provided with a schedule setting unit (not shown). The schedule setting unit of the control device 100 sets a schedule for stopping the air blowing device 30 during the stop time period input by the user. The control unit 112 of the control device 100 controls the start and stop of the operation of the air blowing device 30 according to the schedule set by the schedule setting unit. Even if the start conditions described above are satisfied, the control unit 112 of the control device 100 stops the operation of the air blowing device 30 if the current time falls within the stop time period during a day. In this way, the air blowing device 30 can be automatically operated according to a schedule desired by the user.

[0052] The user may input the operation time period by operating an input means such as the remote control, mobile terminal, etc. In this case, the schedule setting unit of the control device 100 sets a schedule for the operation of the blower device 30 during the operation time period input by the user. Then, the control unit 112 of the control device 100 controls the start and stop of the operation of the blower device 30 according to the schedule set by the schedule setting unit.

[0053] In the air blowing system according to this embodiment, the air blowing device 30 may be configured to stop operation when one or both of the cooking appliance and the range hood provided in the first space 11 are operating. The cooking appliance is, for example, an induction cooker, an automatic cooker, a microwave oven, a rice cooker, etc. In this case, the control device 100 is provided with an appliance operation status acquisition unit (not shown). The appliance operation status acquisition unit of the control device 100 communicates directly with one or both of the cooking appliance and the range hood, or communicates via a HEMS or the like, and acquires the operation status of one or both of the cooking appliance and the range hood. Then, even if the start conditions described above are satisfied, if one or both of the cooking appliance and the range hood are operating, the control unit 112 of the control device 100 stops the operation of the air blowing device 30. When the cooking appliance and the range hood are operating, it is highly likely that cooking is being performed. In such a case, stopping the air blowing device 30 can suppress cooking odors, smoke, steam, etc. generated during cooking from flowing from the first space 11 into the second space 12.

[0054] In the air blowing system according to this embodiment, the start condition for the operation of the air blowing device 30 may be satisfied when the start condition described above is satisfied or when the washing machine installed in the building 10 is operated. In this case, the control device 100 is provided with an equipment operation state acquisition unit (not shown). The equipment operation state acquisition unit of the control device 100 communicates directly with the washing machine installed in the building 10 or communicates via a HEMS or the like to acquire the operation state of the washing machine. Then, the control unit 112 of the control device 100 starts the operation of the air blowing device 30 when the start condition described above is satisfied or when the washing machine is operated. When the washing machine is operated, there is a possibility that the washed clothes or the like are hung to dry indoors in, for example, the second space 12 or the like in the building 10. By operating the air blowing device 30 in such a case, the humidity in the building 10 can be made uniform in advance, and the drying of the washed clothes or the like can be promoted.

[0055] The air blowing system according to this embodiment can be applied to buildings other than the building 10 having the structure shown in Figs. 1 and 2. With reference to Figs. 5 to 9, an example of application of the air blowing system to a building having a structure different from that of the building 10 shown in Figs. 1 and 2 will be described. As shown in Figs. 5 to 7, in this example, a first space 11, a second space 12, and a third space 13 are formed as the internal space of a room. The first space 11 is, for example, the internal space of a living room. The third space 13 is, for example, the internal space of a non-living room. Particularly here, the third space 13 is the internal space of a toilet. Also, here, the second space 12 is the internal space of a corridor and a hallway.

[0056] A first door 15 is provided between the first space 11 and the second space 12. A second door 16 is provided between the third space 13 and the second space 12. A front door 17 leading to the outside is provided in the second space 12.

[0057] As shown in Fig. 5 and Fig. 6, a duct 20 is provided above the ceiling of the first space 11 and the second space 12. One end of the duct 20 is connected to an intake port 21 formed in the ceiling of the first space 11. The other end of the duct 20 is connected to an exhaust port 22 formed in the ceiling of the second space 12. An air passage that connects the first space 11 and the second space 12 is formed inside the duct 20. A blower 30 is provided in the middle of the duct 20. The blower 30 has a built-in fan.

[0058] When the blower 30 operates, that is, when the fan of the blower 30 operates, an airflow is generated in the air passage in the duct 20, moving from the first space 11 side to the second space 12 side. When the blower 30 operates, air in the first space 11 is sucked into the duct 20 through the intake port 21. The air sucked into the duct 20 moves toward the second space 12 side, and is blown out from the exhaust port 22 into the second space 12. In this way, the blower 30 transports the air in the first space 11 to the second space 12.

[0059] The air passage connecting the first space 11 and the second space 12 is not limited to the duct 20 installed above the ceiling. For example, when the first space 11 and the second space 12 are adjacent to each other, an air passage connecting the first space 11 and the second space 12 may be formed by a duct or the like provided through a wall separating the first space 11 and the second space 12.

[0060] 5 to 7, an air supply device 51 is provided on an outer wall of the first space 11. The air supply device 51 is an air supply port that allows outside air to flow into the first space 11. The air supply device 51 may include an air supply fan for drawing the outside air into the first space 11.

[0061] 5 and 7, an exhaust device 52 is provided on the outer wall of the third space 13. The exhaust device 52 is an exhaust fan that exhausts air from the third space 13 to the outside. The exhaust air volume of the exhaust device 52 may be fixed or variable.

[0062] Fig. 8 is a diagram showing the air flow when the blower 30 is stopped. In Fig. 8, the air flow when the blower 30 is stopped is indicated by dashed lines and arrows. As shown in Fig. 8, first, outside air flows into the first space 11 through the air supply device 51. The air in the first space 11 flows into the second space 12 through a gap or a vent in the first door 15. Then, the air that has flowed into the second space 12 flows into the third space 13 through a gap or a vent in the second door 16, and is exhausted to the outdoors from the exhaust device 52.

[0063] When the blower 30 is stopped, the pressure in the first space 11 into which the outside air flows in through the air supply device 51 becomes almost equal to the atmospheric pressure. The pressure in the second space 12 becomes lower than the atmospheric pressure. Therefore, the outside air flows into the second space 12 through the gap in the entrance door 17 or the air vent. As a result, the humidity in the second space 12 changes according to the outside air humidity, and the humidity difference in the building 10 increases, so that the comfort of the user decreases. In addition, by leaving a wet umbrella, shoes, clothes, etc. in the second space 12, the humidity in the second space 12 where the exhaust device 52 is not in the same space increases, and the humidity remains high for a long time. As a result, mold is likely to grow in the second space 12. In addition, if a dehumidifier (not shown) is installed in the second space 12 to reduce the humidity in the second space 12, the temperature of the second space 12 may become 31°C or higher, which may have a negative effect on the workability and physical condition of the user in the second space 12.

[0064] 9 is a diagram showing the air flow when the blower 30 is operating. Since the air supply device 51 is provided in the first space 11, when the air in the first space 11 is transported to the second space 12 by the blower 30, the pressure in the second space 12 becomes higher than before the transport starts, so that it is possible to prevent outside air from flowing into the second space 12 through the gap in the entrance door 17 or the air vent, and it is possible to prevent an increase in humidity in the second space 12. Therefore, condensation due to the inflow of outside air is less likely to occur in the second space 12.

[0065] In the air blowing system configured as described above, the air blowing device 30 transports the air in the first space 11 to the second space 12, thereby making the humidity in the second space 12 closer to the humidity in the first space 11. Furthermore, by generating an air flow in the second space 12, it is possible to prevent localized high humidity due to stagnation of air.

[0066] The blower 30 may include an inverter and may be capable of variably controlling the number of revolutions of the fan. In this case, the control unit 112 of the control device 100 may change the amount of air blown by the blower 30 by changing the number of revolutions of the fan according to the detection result of the environment sensor 60. Specifically, for example, the control unit 112 controls the amount of air blown by the blower 30 to a first air volume set in advance, regardless of the exhaust air volume of the exhaust device 52. The first air volume of the blower 30 is set to an air volume that satisfies the ventilation rate of 0.5 times / h in the building 10, for example. Then, the control unit 112 may control the amount of air blown by the blower 30 to a second air volume that is smaller than the first air volume when the humidity of the second space 12 becomes equal to or lower than a third reference relative humidity. The third reference relative humidity is, for example, 50%. This makes it possible to suppress an increase in power consumption due to wasteful operation of the blower 30 at a large air volume.

[0067] Furthermore, when there is a person in the above-mentioned second space 12, when the door 14 connecting the first space 11 and the second space 12 is open, or when one or both of the cooking appliance and the range hood provided in the first space 11 are operating, the air volume of the air blower 30 may be controlled to be a second air volume that is smaller than the first air volume, rather than stopping the air blower 30. Alternatively, the air volume of the air blower 30 may be changed according to a schedule input by the user.

[0068] Embodiment 2 A second embodiment of the present disclosure will be described with reference to Fig. 10 and Fig. 13. Fig. 10 is a plan view showing a schematic example of a building to which an air-conditioning system is applied. Fig. 11 is a block diagram showing a configuration of a control system of the air-conditioning system. Fig. 12 and Fig. 13 are each a flow chart showing an example of the operation of the air-conditioning system.

[0069] The second embodiment described here relates to an air conditioning system in which an air conditioner is added to the air blowing system of the first embodiment described above. The air conditioning system of the second embodiment will be described focusing on the differences from the first embodiment. Configurations that are not described are basically the same as those of the first embodiment. In the following description, configurations that are the same as or correspond to those of the first embodiment will be described with the same reference numerals as those used in the description of the first embodiment, as a general rule.

[0070] As shown in FIG. 10, the air conditioning system according to this embodiment includes an air conditioner 40. The air conditioner 40 conditions the air in a first space 11, which is a living room. In the illustrated example, an indoor unit of the air conditioner 40 is installed in the first space 11. An outdoor unit of the air conditioner 40, not shown, is installed outdoors of the building 10. The air conditioner 40 is capable of, for example, cooling operation, heating operation, fan operation, dehumidification operation, and cooling and dehumidification operation. The cooling and dehumidification operation is an operation in which cooling and dehumidification are performed simultaneously. The air conditioner 40 starts operation by a user operating a remote control or the like. The air conditioner 40 performs cooling operation, dehumidification operation, cooling and dehumidification operation, or heating operation so that the temperature of the first space 11 becomes the set temperature and set humidity set by the user.

[0071] 10, the air conditioning system further includes an exhaust device 52. In the illustrated example, the exhaust device 52 is provided on the outer wall of the third space 13. The exhaust device 52 includes a fan, and when operated, exhausts the air in the third space 13 to the outside of the building 10. Furthermore, in the configuration example shown in FIG. 10, an air supply device 51 is formed on the outer wall of the first space 11. The air supply device 51 is an air supply port for taking in air outside the building 10 (external air) into the first space 11.

[0072] In the air conditioning system according to this embodiment, the control device 100 controls not only the operation of the blower device 30 but also the operation of the air conditioner 40. As shown in FIG. 11, the control device 100 is connected to the air conditioner 40 so as to be able to communicate with it. An information acquisition unit 111 of the control device 100 acquires information relating to the operating status of the air conditioner 40 from the air conditioner 40. The information relating to the operating status of the air conditioner 40 may include, for example, whether the air conditioner 40 is operating or stopped, the operating mode of the air conditioner 40, i.e., cooling operation, heating operation, blowing operation, dehumidification operation, cooling and dehumidification operation, etc., the set temperature (during cooling operation, heating operation, or cooling and dehumidification operation), the set humidity (during dehumidification operation, cooling and dehumidification operation), the wind direction, the air volume, etc.

[0073] In the air conditioning system according to this embodiment, the conditions for starting the operation of the blower device 30 are that the start conditions explained in the first embodiment are met, and also that any one of the following conditions is met.

[0074] The difference between the temperature of the first space 11 and the set temperature of the air conditioner 40 is within a third reference temperature. The difference between the temperature of the first space 11 and the temperature of the second space 12 is equal to or greater than a fourth reference temperature that is set in advance. A preset second reference time or more has elapsed since the air conditioning device 40 started operating.

[0075] The third reference temperature may be set in advance or may be set by the user. When the user sets the third reference temperature, the control device 100 further includes a temperature difference setting unit (not shown). The user can input a desired temperature difference by operating an input means such as the above-mentioned remote control or mobile terminal. The temperature difference setting unit of the control device 100 sets the third reference temperature according to the input temperature difference. The second reference time is, for example, 15 minutes. In this manner, the operation of the blower device 30 can be started when there is a margin in the air conditioning capacity of the air conditioner 40, in other words, when the air conditioning load in the first space 11 is small. If the blower device 30 is operated in a state where there is no margin in the air conditioning capacity of the air conditioner 40, the first space 11 cannot be sufficiently air-conditioned, and the comfort of the user in the first space 11 may decrease. By operating the blower device 30 in a state where there is a margin in the air conditioning capacity of the air conditioner 40, the decrease in the comfort of the user in such a first space 11 can be suppressed.

[0076] The control unit 112 of the control device 100 may change the operation content of the air conditioning device 40 when a preset change condition is met. That is, the air conditioning device 40 may change the operation content when a preset change condition is met while the air conditioning device 40 is in operation. For example, the change condition is met when any of the following conditions is met.

[0077] The blower 30 is in operation, and the relative humidity in the second space 12 does not decrease for a preset third reference time period or longer, compared to when the blower 30 started operating. The air blower 30 is in operation, and the relative humidity in the second space 12 is equal to or lower than a preset third reference relative humidity. The air blower 30 is in operation, and the difference between the relative humidity in the second space 12 and the humidity setting of the air conditioner 40 is equal to or less than a preset fourth reference relative humidity. The air blower 30 is in operation, and the difference between the relative humidity in the first space 11 and the relative humidity in the second space 12 is equal to or less than a preset fifth reference relative humidity.

[0078] Here, the third reference time is, for example, 10 minutes, the third reference relative humidity is, for example, 60%, the fourth reference relative humidity is, for example, 5%, and the fifth reference relative humidity is, for example, 5%.

[0079] For example, when the change condition is met and the air conditioner 40 is in heating operation, the control unit 112 increases the set temperature of the air conditioner 40. As another example, when the change condition is met and the air conditioner 40 is in cooling operation, the control unit 112 decreases the set temperature of the air conditioner 40. As yet another example, when the change condition is met and the air conditioner 40 is in dehumidification operation or cooling and dehumidification operation, the control unit 112 decreases the set humidity of the air conditioner 40.

[0080] In this way, by changing the operating state of the air conditioner 40 and making the first space 11 in a lower humidity state, it is possible to further promote a decrease in humidity in the second space 12, which is the destination of the transport. This improves the comfort of the user in the second space 12. Also, even if clothes, bedding, etc. that take a long time to release moisture are placed in the second space 12, a low humidity state can be continuously maintained. The amount of air sent by the blower 30 may be changed, and the upper limit is arbitrary, but it is desirable to change it to an extent that does not increase the air conditioning load of the air conditioner 40 in the first space 11.

[0081] In addition, when the air conditioner 40 is in cooling and dehumidifying operation when the above-mentioned change condition is satisfied, the control unit 112 may change the operation mode of the air conditioner 40 to cooling operation without changing the set temperature of the air conditioner 40. In addition, if the above-mentioned change condition is satisfied and the change condition is satisfied even after a certain time has passed after the change, the operation mode of the air conditioner 40 may be restored to the one before the change. In this way, when the humidity in the second space 12 is sufficiently low and the humidity reduction effect by conveying air to the second space 12 is weakened, it is possible to suppress unnecessary air conditioning and reduce power consumption. In addition, by returning to the setting by the user before the change in the operation state of the air conditioner 40, the thermal environment in the first space 11 is improved, and the comfort of the user can be improved.

[0082] Next, an operation example of the air conditioning system according to this embodiment will be described with reference to the flow charts of FIG. 12 and FIG. 13. First, in step S21 shown in FIG. 12, while the operation of the blower 30 is stopped, the information acquisition unit 111 of the control device 100 acquires environmental information such as the detection result of the environmental sensor 60. Then, in the following step S22, the control unit 112 of the control device 100 judges whether the above-mentioned start condition is satisfied. If the start condition is not satisfied, the control device 100 returns to step S21 and continues the process. On the other hand, if the start condition is satisfied, the control device 100 next performs the process of step S23. In step S23, the control unit 112 of the control device 100 starts the operation of the blower 30. When the process of step S23 is completed, the series of operations is terminated.

[0083] Next, in step S31 shown in FIG. 13, while the air conditioning device 40 is operating, the information acquisition unit 111 of the control device 100 acquires environmental information such as the detection results of the environmental sensor 60. Then, in the following step S32, the control unit 112 of the control device 100 determines whether or not the above-mentioned change condition is met. If the change condition is not met, the control device 100 returns to step S31 and continues processing. On the other hand, if the change condition is met, the control device 100 then performs processing of step S33. In step S33, the control unit 112 of the control device 100 changes the operation details of the air conditioning device 40. When the processing of step S33 is completed, the series of operations ends.

[0084] As described above, when the external device 70 is a server that provides weather information, the control device 100 may recommend to the user the start, stop, air volume, operation mode, etc. of one or both of the air conditioning device 40 and the blower device 30, depending on the information related to the outside temperature or weather contained in the weather information acquired from the external device 70. Recommendations to the user can be made, for example, by displaying a message on the screen of the mobile terminal described above.

[0085] For example, the control device 100 predicts a long-term increase in humidity in the second space 12 from the long-term rainy weather forecast obtained by the information acquisition unit 111, and recommends the user to perform dehumidification operation of the air conditioner 40 and continuous operation of the blower 30. However, the recommended operation may or may not be accepted depending on the user's circumstances. For example, if the user plans to be away for a long time during the rainy period, there is no risk of high humidity during the absence because there are no items in the second space 12 that are highly hygroscopic or likely to cause mold, and there is a possibility that the user will not accept the recommendation if there is no problem even if the humidity becomes high. In addition, the user may not accept the recommendation even if the user wants to reduce power consumption due to the operation of the device while away. On the other hand, even if the user plans to be away for a long time during the rainy period, if the user wants to reduce the occurrence of condensation, cloudiness, mold, etc. in the second space 12, the user may accept the recommendation. In this way, by recommending operation details for the air conditioner 40 and the blower 30 to the user, the user can select operation details for the air conditioner 40 and the blower 30 that are suitable for the user's own actions and the state of the building 10.

[0086] In the air blowing system and air conditioning system according to the present disclosure, as described above, an air supply device 51 that introduces outside air into the first space 11 may be provided. Also, an air supply device that introduces outside air into the second space 12 may be further provided. When a first air supply device that introduces outside air into the first space 11 and a second air supply device that introduces outside air into the second space 12 are provided, the air supply volume of the first air supply device may be made larger than the air supply volume of the second air supply device. For example, when both the first air supply device and the second air supply device are air supply ports, the air supply opening area of ​​the first air supply device is made larger than the air supply opening area of ​​the second air supply device. Also, when both the first air supply device and the second air supply device are equipped with air supply fans, the rotation speed of the air supply fan of the first air supply device is made larger than the rotation speed of the air supply fan of the second air supply device. When there is a second air supply device that introduces outside air into the second space 12, if the amount of outside air flowing into the second space 12 increases, the amount of air transported to the second space 12 by the blower 30 decreases. By making the amount of air supplied by the first air supply device larger than the amount of air supplied by the second air supply device, the blower 30 can transport sufficient air from the first space 11 to the second space 12, and the humidity can be made uniform.

[0087] Furthermore, in the air blowing system and air conditioning system according to the present disclosure, the exhaust device 52 may be provided not only in the third space 13 but also in one or both of the first space 11 and the second space 12. In this case, the air blowing volume of the air blowing device 30 should be greater than the total exhaust air volume of the exhaust device 52. In this way, the air can be sufficiently transported from the first space 11 to the second space 12 by the air blowing device 30, and the humidity can be made uniform.

[0088] In the above description, the outdoors of the building 10 may include not only the outside of the building 10 but also a non-air-conditioned space such as a parking lot within the building 10. In this case, the outside air may include not only the air outside the building 10 but also the air in the non-air-conditioned space.

[0089] 14 is a diagram showing an example of a configuration for realizing the functions of the control device 100 in the present disclosure. The functions of the control device 100 are realized, for example, by a processing circuit. The processing circuit may include a processor 101 and a memory 102. The processing circuit may be dedicated hardware 103. A part of the processing circuit may be formed as the dedicated hardware 103, and the processing circuit may further include the processor 101 and the memory 102. In the example shown in the figure, a part of the processing circuit is formed as the dedicated hardware 103. Also, in the example shown in the figure, the processing circuit further includes the processor 101 and the memory 102.

[0090] The processing circuitry, part of which is at least one dedicated hardware 103, may be, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination thereof. If the processing circuitry comprises at least one processor 101 and at least one memory 102, the functionality of the control device 100 is realized by software, firmware, or a combination of software and firmware.

[0091] The software and firmware are written as programs and stored in memory 102. Processor 101 realizes the functions of each unit by reading and executing the programs stored in memory 102. Processor 101 is also called a CPU (Central Processing Unit), central processing unit, processing unit, arithmetic unit, microprocessor, microcomputer, or DSP. Memory 102 corresponds to, for example, non-volatile or volatile semiconductor memory such as RAM, ROM, flash memory, EPROM, and EEPROM, or a magnetic disk, a flexible disk, an optical disk, a compact disk, a mini disk, and a DVD.

[0092] In this way, the processing circuit of the control device 100 can realize each function of the control device 100 by hardware, software, firmware, or a combination of these. When the processing circuit of the control device 100 includes at least the processor 101 and the memory 102, the processor 101 executes a program stored in the memory 102 in the control device 100, and the hardware and software of the control device 100 work together to realize the functions of each part of the control device 100. Note that the air blowing system and the air conditioning system are not limited to a configuration in which the operation is controlled by a single control device 100. The operation of the air blowing system and the air conditioning system may be controlled by multiple devices working together. Also, the control device 100 may be built into the air blowing device 30 or the air conditioning device 40.

[0093] In addition, in the present disclosure, the respective embodiments may be arbitrarily combined without departing from the spirit of the present disclosure. Examples of various aspects of the present disclosure are summarized below as appendices. (Appendix 1) A ventilation system provided in a building in which a first space and a second space are formed, a blower provided in an air passage that communicates between the first space and the second space; An environmental information acquisition means, the blower starts transporting the air in the first space to the second space when a preset start condition is satisfied while the blower is stopped, The environmental information acquisition means acquires information regarding the relative humidity of outside air, The start condition is that the relative humidity of the outside air is equal to or higher than a preset first reference relative humidity. (Appendix 2) The environmental information acquisition means further acquires information regarding an outside air temperature, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, or 2. The ventilation system according to claim 1, wherein the temperature of the outside air is equal to or lower than a first reference temperature set in advance. (Appendix 3) The environmental information acquisition means further acquires information regarding an outside air temperature, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, and 2. The ventilation system according to claim 1, wherein the temperature of the outside air is equal to or higher than a second reference temperature set in advance. (Appendix 4) the environmental information acquisition means further acquires information regarding the absolute humidity of the first space and information regarding the absolute humidity of the second space, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, or 2. The ventilation system according to claim 1, wherein one or both of the absolute humidity of the first space and the absolute humidity of the second space is equal to or higher than a first reference absolute humidity that is set in advance. (Appendix 5) The environmental information acquisition means further acquires information regarding the relative humidity of the first space and information regarding the relative humidity of the second space, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, and 2. The ventilation system of claim 1, wherein the relative humidity of the second space is greater than the relative humidity of the first space. (Appendix 6) the blower stops transporting the air from the first space to the second space when a preset stop condition is satisfied during operation of the blower; The stopping condition is: The state in which the relative humidity of the outside air is equal to or lower than a predetermined second reference relative humidity continues for a predetermined first reference time or more, 6. The ventilation system according to claim 1, wherein the second reference relative humidity is less than the first reference relative humidity. (Appendix 7) Further comprising a human detection means for detecting the presence or absence of a human in the second space, The air blowing system according to any one of claims 1 to 6, wherein the air blowing device stops operating when there is a person in the second space. (Appendix 8) A door opening / closing detection means for detecting the opening / closing of a door communicating between the first space and the second space is further provided, 8. The air blowing system according to claim 1, wherein the air blowing device stops operating when the door is open. (Appendix 9) The device further includes an input unit for a user to input a stop command, The air blowing system according to any one of claims 1 to 8, wherein the air blowing device stops operating when the stop instruction is input. (Appendix 10) The system further includes an input unit for a user to input a stop time period, The air blowing system according to any one of claims 1 to 8, wherein the air blowing device stops operating during the input stop time period of a day. (Appendix 11) The cooking device further includes an appliance operation status acquisition means for acquiring an operation status of one or both of a cooking appliance and a range hood provided in the first space, The air blowing system according to any one of Supplementary Note 1 to Supplementary Note 10, wherein the air blowing device stops operating when one or both of the cooking appliance and the range hood are operating. (Appendix 12) The building further includes an equipment operation status acquisition means for acquiring an operation status of a washing machine installed in the building, The starting condition is The relative humidity of the outside air is equal to or higher than a first reference relative humidity that is set in advance, or The air blowing system according to claim 1, wherein the washing machine is operated. (Appendix 13) 13. The ventilation system according to any one of claims 1 to 12, further comprising an air supply device that introduces outside air into the first space. (Appendix 14) A first air intake device as the air intake device; A second air supply device that introduces outside air into the second space, 14. The ventilation system according to claim 13, wherein the first air intake device has a larger air intake rate than the second air intake device. (Appendix 15) Further comprising an exhaust device that exhausts air from one or both of the first space and the second space to the outside, 15. The ventilation system according to claim 1, wherein the volume of air blown by the ventilation device is greater than a total volume of exhaust air from the exhaust devices. (Appendix 16) A blowing system according to any one of claims 1 to 15; an air conditioner that conditions the first space, (Appendix 17) The environmental information acquisition means further acquires information regarding a temperature of the first space, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, and 17. The air conditioning system according to claim 16, wherein a difference between the temperature in the first space and the set temperature of the air conditioner is within a third reference temperature. (Appendix 18) 18. The air conditioning system according to claim 17, further comprising a setting means for allowing a user to set the third reference temperature. (Appendix 19) the environmental information acquisition means further acquires information regarding a temperature of the first space and information regarding a temperature of the second space, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, and 17. The air conditioning system according to claim 16, wherein a difference between a temperature in the first space and a temperature in the second space is equal to or greater than a preset fourth reference temperature. (Appendix 20) The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, and 17. The air conditioning system according to claim 16, wherein a preset second reference time or more has elapsed since the air conditioning apparatus started operating. (Appendix 21) The air conditioning device changes the operation content when a preset change condition is established while the air conditioning device is in operation, The environmental information acquisition means further acquires information regarding the relative humidity of the second space, The change condition is: the air blower is in operation, and the relative humidity in the second space does not decrease for a third reference time period or longer compared to when the air blower was started; The air blower is operating, and the relative humidity of the second space is equal to or lower than a third reference relative humidity that is set in advance; or An air conditioning system described in any one of Appendix 16 to Appendix 20, wherein the blower is operating and the difference between the relative humidity of the second space and the set humidity of the air conditioning unit is equal to or less than a predetermined fourth standard relative humidity. (Appendix 22) 22. The air conditioning system according to claim 21, wherein the air conditioner increases the set temperature during heating operation when the change condition is satisfied. (Appendix 23) 22. The air conditioning system according to claim 21, wherein the air conditioner lowers the set temperature during cooling operation when the change condition is satisfied. (Appendix 24) 22. The air conditioning system according to claim 21, wherein the air conditioner lowers the set humidity when in a dehumidification operation or a cooling and dehumidification operation when the change condition is satisfied. [Explanation of symbols]

[0094] 10. Building 11 1st space 12 Second space 13 Third space 14 Doors 15 Door 1 16 Door 2 17 Entrance Door 20 Duct 21 Intake port 22 Air outlet 30 Blower 40 Air conditioning equipment 51 Air supply system 52 Exhaust system 60 Environmental Sensors 70 External equipment 100 Control device 101 Processor 102 Memory 103 Dedicated Hardware 111 Information Acquisition Department 112 Control section 200 communication lines

Claims

1. A ventilation system provided in a building in which a first space and a second space are formed, a blower provided in an air passage that communicates between the first space and the second space; An environmental information acquisition means, the air blowing device starts transporting air from the first space to the second space when a preset start condition is satisfied while the air blowing device is stopped, The environmental information acquisition means acquires information regarding the relative humidity of outside air, The start condition is that the relative humidity of the outside air is equal to or higher than a preset first reference relative humidity.

2. The environmental information acquisition means further acquires information regarding an outside air temperature, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, or The ventilation system according to claim 1 , wherein the temperature of the outside air is equal to or lower than a first reference temperature set in advance.

3. The environmental information acquisition means further acquires information regarding an outside air temperature, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, and The ventilation system according to claim 1 , wherein the temperature of the outside air is equal to or higher than a second reference temperature set in advance.

4. the environmental information acquisition means further acquires information regarding the absolute humidity of the first space and information regarding the absolute humidity of the second space, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, or The air blowing system according to claim 1 , wherein one or both of the absolute humidity of the first space and the absolute humidity of the second space are equal to or higher than a first reference absolute humidity set in advance.

5. The environmental information acquisition means further acquires information regarding the relative humidity of the first space and information regarding the relative humidity of the second space, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, and The ventilation system according to claim 1 , wherein the relative humidity of the second space is greater than the relative humidity of the first space.

6. the blower device stops transporting the air from the first space to the second space when a preset stop condition is satisfied during operation of the blower device; The stopping condition is: a state in which the relative humidity of the outside air is equal to or lower than a predetermined second reference relative humidity continues for a predetermined first reference time or more; The air blowing system according to claim 1 , wherein the second reference relative humidity is less than the first reference relative humidity.

7. Further comprising a human detection means for detecting the presence or absence of a human in the second space, The air blowing system according to claim 1 or 6, wherein the air blowing device stops operating when a person is present in the second space.

8. A door opening / closing detection means for detecting opening / closing of a door communicating between the first space and the second space is further provided, The air blowing system according to claim 1 or 6, wherein the air blowing device stops operating when the door is open.

9. The device further includes an input unit for a user to input a stop command, The air blowing system according to claim 1 or 6, wherein the air blowing device stops operating when the stop instruction is input.

10. The system further includes an input unit for a user to input a stop time period, The air blowing system according to claim 1 or 6, wherein the air blowing device stops operating during the input stop time period of a day.

11. The cooking device further includes an appliance operation status acquisition unit that acquires an operation status of one or both of a cooking appliance and a range hood provided in the first space, The air blowing system according to claim 1 or 6, wherein the air blowing device stops operating when one or both of the cooking appliance and the range hood are operating.

12. The building further includes an equipment operation status acquisition means for acquiring an operation status of a washing machine installed in the building, The starting condition is The relative humidity of the outside air is equal to or higher than a first reference relative humidity set in advance, or The air blowing system according to claim 1, wherein the washing machine has been operated.

13. The ventilation system according to claim 1 or 6, further comprising an air supply device that introduces outside air into the first space.

14. A first air supply device as the air supply device; a second air supply device that introduces outside air into the second space, The ventilation system according to claim 13, wherein the first air intake device has a larger air intake amount than the second air intake device.

15. An exhaust device that exhausts air from one or both of the first space and the second space to the outside, 7. The air blowing system according to claim 1, wherein the air blowing volume of the air blowing device is greater than a total exhaust air volume of the exhaust devices.

16. The air blowing system according to claim 1 or 6, an air conditioning device that conditions the air in the first space.

17. The environmental information acquisition means further acquires information regarding a temperature of the first space, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, and The air conditioning system according to claim 16, wherein a difference between the temperature in the first space and a set temperature of the air conditioner is within a third reference temperature.

18. The air conditioning system according to claim 17, further comprising a setting means for allowing a user to set the third reference temperature.

19. the environmental information acquisition means further acquires information regarding a temperature of the first space and information regarding a temperature of the second space, The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, and The air conditioning system according to claim 16, wherein a difference between a temperature in the first space and a temperature in the second space is equal to or greater than a fourth reference temperature that is set in advance.

20. The starting condition is The relative humidity of the outside air is equal to or higher than the first reference relative humidity, and The air conditioning system according to claim 16, wherein the predetermined second reference time or more has elapsed since the air conditioning device started operating.

21. The air conditioning device changes the operation content when a preset change condition is established while the air conditioning device is in operation, The environmental information acquisition means further acquires information regarding the relative humidity of the second space, The change condition is: the air blower is in operation, and the relative humidity in the second space does not decrease for a third reference time period or longer compared to when the air blower was started; The air blower is in operation, and the relative humidity of the second space is equal to or lower than a third reference relative humidity that is set in advance; or 17. The air conditioning system according to claim 16, wherein the blower is in operation and the difference between the relative humidity in the second space and the set humidity of the air conditioner is equal to or less than a fourth reference relative humidity that is set in advance.

22. The air conditioning system according to claim 21 , wherein the air conditioner increases the set temperature during heating operation when the change condition is met.

23. The air conditioning system according to claim 21 , wherein the air conditioner lowers the set temperature during cooling operation when the change condition is met.

24. The air conditioning system according to claim 21 , wherein the air conditioner lowers the set humidity when the air conditioner is in a dehumidifying operation or a cooling and dehumidifying operation when the change condition is satisfied.

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