JP2018155444A - Air conditioning system and building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an air conditioning system and a building that can reduce non-uniformity of temperature distribution of each room of a building.SOLUTION: An air conditioning system is provided in a building comprising a first room, a second room isolated from the first room, a first communication room communicating with the first room and isolated from the second room, and a second communication room communicating with the second room and isolated from the first room, and comprises: a first indoor unit that sucks air in the second communication room, air-conditions the sucked air, and discharges it to the first room; and a second indoor unit that sucks air in the first communication room, air-conditions the sucked air, and discharges it to the second room.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an air conditioning system for air-conditioning a plurality of rooms and a building including the same.

  In recent years, buildings with high insulation and high airtightness have been developed, and the energy required for air conditioning has been decreasing. Therefore, the entire building is air-conditioned for 24 hours in a row to seek a more comfortable and healthy living environment. The number of cases where the system is adopted has increased. In this air conditioning system, a centralized indoor unit is mainly used. In other words, because it is necessary to distribute the conditioned air whose temperature has been adjusted by one indoor unit to each partitioned room, the duct construction cost for air conveyance is large, the duct construction space narrows the living area, etc. Problems occur.

  In order to avoid such problems, air conditioners that install indoor units on each floor to eliminate the need for vertical air conveyance and reduce the required air blowing capacity by shortening the total duct length are known. (For example, refer to Patent Document 1).

Japanese Patent No. 3059682

  However, in the technique described in Patent Document 1, in order to perform air conditioning so that the temperature distribution in each room of the building becomes uniform, it is necessary to convey temperature-controlled air to every corner of each room, and the total duct length However, there is a problem that the construction cost increases.

  The present invention has been made to solve the above-described problems, and provides an air conditioning system and a building that can reduce uneven temperature distribution in each room of the building.

  The air conditioning system according to the present invention includes a first room, a second room isolated from the first room, a first room communicating with the first room and isolated from the second room. An air conditioning system provided in a building comprising a communication room and a second communication room that communicates with the second room and is isolated from the first communication room, wherein the second communication room The first indoor unit that inhales the air in the air, blows the sucked air into the first room and blows it out to the first room, and sucks in the air in the first communication room, and the air that has been sucked in is conditioned in the second And a second indoor unit that blows out into the room.

  The building according to the present invention includes a first room, a second room isolated from the first room, and a first communication room communicating with the first room and isolated from the second room. And a second communication chamber that communicates with the second chamber and is separated from the first communication chamber, and the air conditioning system is disposed therein.

  The air conditioning system according to the present invention sucks in air in the second communication chamber, sucks in air in the first communication chamber, a first indoor unit that air-conditions the sucked air and blows it out to the first room, A second indoor unit that harmonizes the sucked air and blows it out to the second room. For this reason, the nonuniformity of the temperature distribution of each room of a building can be reduced.

It is a schematic block diagram of the air conditioning system in Embodiment 1 of this invention and the building in which it is installed. It is a figure which shows typically the structure of the air conditioning system in Embodiment 1 of this invention. It is a schematic block diagram of the air conditioning system in Embodiment 2 of this invention, and the building in which it was installed. It is a figure explaining operation | movement of the air conditioning system in Embodiment 2 of this invention. It is a schematic block diagram of the air conditioning system in Embodiment 3 of this invention, and the building in which it was installed. It is a schematic block diagram of the air conditioning system in Embodiment 4 of this invention, and the building in which it was installed. It is a schematic block diagram of the air conditioning system in Embodiment 5 of this invention, and the building in which it was installed.

Embodiment 1 FIG.
(Constitution)
FIG. 1 is a schematic configuration diagram of an air-conditioning system according to Embodiment 1 of the present invention and a building in which it is installed. In addition, in FIG. 1, the longitudinal cross-section of the building is shown typically. Moreover, in FIG. 1, the dotted line arrow has shown the flow of air. The same applies to the subsequent drawings.

In FIG. 1, a building 1 is a two-story detached house, for example, and has a plurality of rooms that are air-conditioning targets.
On the first floor of the building 1, for example, a first room 2 which is a space in which a living room, a dining room, and a kitchen are integrated is provided. On the second floor of the building 1, for example, second rooms 3a, 3b, 3c, which are spaces used as living rooms such as bedrooms or children's rooms, are provided. On the first floor and the second floor of the building 1, for example, a first communication room 4 which is a space such as a staircase having a staircase 5 is provided. Between the first floor and the second floor of the building 1, that is, between the ceiling of the first room 2 and the floors of the second rooms 3a, 3b, and 3c, a second communication room that is a space between the floors. 11 is provided.

  The second rooms 3a, 3b, 3c are isolated from the first room 2. That is, the building 1 is not provided with an air passage that directly communicates the second rooms 3a, 3b, and 3c with the first room 2.

  The first communication chamber 4 communicates with the first chamber 2. For example, the first communication room 4 and the first room 2 communicate with each other through a staircase 5 that connects the first floor and the second floor of the building 1. The first communication chamber 4 is isolated from the second rooms 3a, 3b, 3c. That is, the building 1 is not provided with an air passage or the like that directly communicates the first communication room 4 and the second rooms 3a, 3b, and 3c.

  The second communication chamber 11 communicates with the second chambers 3a, 3b, and 3c. For example, the second communication chamber 11 communicates with the second chambers 3a, 3b, and 3c through a suction grill 18 that is an opening provided on the floor of the second chambers 3a, 3b, and 3c. Further, the second communication chamber 11 is isolated from the first communication chamber 4. That is, the building 1 is not provided with an air passage that directly communicates the second communication chamber 11 and the first communication chamber 4.

  Here, “isolation” includes, for example, a state in which the rooms are not in communication with each other in a state in which a door provided in the room, an openable / closable communication port, or the like is closed. In other words, “isolation” means a state in which the rooms are not always in communication, and includes a configuration in which the rooms are temporarily in communication.

  In the first embodiment, the building 1 describes a configuration in which three second rooms 3a, 3b, and 3c communicate with one second communication room 11, but the number of second rooms Is not limited to this. Note that the first communication room 4 may be configured by an atrium connecting the upper and lower floors of the building 1.

An air conditioning system including a first indoor unit 6 and a second indoor unit 12 is disposed in the building 1.
The first indoor unit 6 is configured to suck in the air in the second communication chamber 11 and blow out the sucked air to the first room 2 in an air-conditioned manner. The first indoor unit 6 includes a suction port 7 and an air outlet 10 which are openings formed in the housing, and a blower 8 and a heat exchanger 9 provided inside the housing. The first indoor unit 6 is installed on the ceiling of the first room 2, for example. Further, in the first indoor unit 6, the suction port 7 covers the opening that connects the second communication chamber 11 and the first room 2, and the air outlet 10 is exposed in the first room 2. Placed in. That is, the first indoor unit 6 uses the second communication chamber 11 that is a space between floors as a suction chamber.

  The heat exchanger 9 exchanges heat between the heat medium supplied from the first heat source device 40 described later and air. The heat exchanger 9 is composed of, for example, a fin-and-tube heat exchanger composed of a heat transfer tube and a large number of fins. The blower 8 sucks air from the suction port 7 and blows out the air that has passed through the heat exchanger 9 from the blower outlet 10. The blower 8 is driven by a motor or the like, and the amount of blown air is adjusted by controlling the rotation speed of the motor.

  With such a configuration, an air passage is formed in the building 1 through which the second communication chamber 11 and the first room 2 communicate with each other via the first indoor unit 6. In the first embodiment, an example in which the first indoor unit 6 is arranged on the ceiling of the first room 2 will be described, but the present invention is not limited to this. For example, the first indoor unit 6 is disposed in the second communication chamber 11, the suction port 7 is exposed in the second communication chamber 11, and the air outlet 10 is connected to the second communication chamber 11 and the first chamber. 2 may be arranged so as to cover the opening that communicates with 2.

  The second indoor unit 12 is configured to suck in the air in the first communication chamber 4 and blow out the sucked air to the second rooms 3a, 3b, and 3c in an air-conditioned manner. The second indoor unit 12 includes a suction port 13 which is an opening formed in the housing, a blowout duct 16 connected to the housing, a blower 14 and a heat exchanger 15 provided inside the housing. Have. The 2nd indoor unit 12 is installed in the upper surface (ceiling back) of the ceiling of the 1st communication room 4, for example. The second indoor unit 12 is arranged such that the suction port 13 covers an opening formed in the ceiling of the first communication chamber 4. The blowout duct 16 is connected to a blowout grill 17 that is a blowout opening provided in each of the second rooms 3a, 3b, and 3c.

  The heat exchanger 15 exchanges heat between the heat medium supplied from the second heat source device 41 described later and air. The heat exchanger 15 is constituted by, for example, a fin-and-tube heat exchanger constituted by a heat transfer tube and a large number of fins. The blower 14 sucks air from the suction port 13 and blows out the air that has passed through the heat exchanger 15 from the blow grill 17 via the blow duct 16. The blower 14 is driven by a motor or the like, and the amount of blown air is adjusted by controlling the rotation speed of the motor.

  With such a configuration, an air passage is formed in the building 1 through which the first communication chamber 4 and the second rooms 3a, 3b, and 3c communicate via the second indoor unit 12. In the first embodiment, an example in which the second indoor unit 12 is arranged behind the ceiling of the first communication chamber 4 will be described, but the present invention is not limited to this. For example, the second indoor unit 12 may be disposed in the first communication chamber 4, and the suction port 7 may be disposed so as to be exposed in the first communication chamber 4. Further, when there is one second room, the blowout duct 16 is omitted, and the air outlet formed in the housing of the second indoor unit 12 is disposed so as to be exposed in the second room. Also good.

In addition, the air conditioning system includes a first temperature sensor 25, a second temperature sensor 26, and a central control device 30.
The first temperature sensor 25 detects the temperature of air sucked into the first indoor unit 6. The 1st temperature sensor 25 is arrange | positioned at the suction inlet 7, for example. The second temperature sensor 26 detects the temperature of air sucked into the second indoor unit 12. The 2nd temperature sensor 26 is arrange | positioned at the suction inlet 13, for example.

The central control device 30 receives the detected temperatures of the first temperature sensor 25 and the second temperature sensor 26, receives the first indoor unit 6 and the second indoor unit 12, and a first heat source device 40, which will be described later, and The operation of the second heat source device 41 is controlled. The centralized control device 30 may include, for example, a function of receiving a user operation input from an operation unit or the like, and a function of performing display according to the operation state of the air conditioning system on the display unit. The centralized control device 30 can be realized by hardware such as a circuit device that realizes this function, or can be realized as software executed on an arithmetic device such as a microcomputer or CPU.
The central control device 30 corresponds to a “control device” in the present invention.

FIG. 2 is a diagram schematically showing the configuration of the air-conditioning system according to Embodiment 1 of the present invention.
As shown in FIG. 2, the air conditioning system includes a first heat source device 40 and a second heat source device 41. The first heat source device 40 is connected to the first indoor unit 6 via the pipes 40 a and 40 b, and supplies the heated or cooled heat medium to the first indoor unit 6. For example, the first heat source unit 40 includes a compressor, a four-way valve that switches between heating and cooling operation, a heat source side heat exchanger, and an expansion valve, and the heat exchanger 9 of the first indoor unit 6. By connecting to, a refrigerant circuit in which a refrigerant as a heat medium circulates is configured.

  The second heat source device 41 is connected to the second indoor unit 12 via the pipes 41 a and 41 b, and supplies a heated or cooled heat medium to the second indoor unit 12. For example, the second heat source unit 41 includes a compressor, a four-way valve that switches between heating and cooling operation, a heat source side heat exchanger, and an expansion valve, and the heat exchanger 15 of the second indoor unit 12. By connecting to, a refrigerant circuit in which a refrigerant as a heat medium circulates is configured.

  In addition, the structure of the 1st heat-source equipment 40 and the 2nd heat-source equipment 41 is not limited to this, What is necessary is just a structure which supplies the heated or cooled heat medium. For example, the structure provided with the refrigerant circuit containing the heat source side heat exchanger which uses water as a heat carrier and heat-exchanges this water and a refrigerant | coolant may be sufficient.

(Air distribution channel)
With reference to FIG. 1 again, the air flow path in the building 1 in which the air conditioning system is installed will be described.
The first indoor unit 6 sucks air in the second communication chamber 11 and blows out air (temperature-controlled air) that is air-conditioned in the first chamber 2. The first room 2 is isolated from the second rooms 3 a, 3 b, 3 c and communicates with the first communication chamber 4. For this reason, the temperature-controlled air blown into the first chamber 2 flows into the first communication chamber 4. The first communication chamber 4 is isolated from the second rooms 3 a, 3 b, 3 c and the second communication chamber 11. For this reason, the temperature-controlled air that has flowed into the first communication chamber 4 is sucked into the second indoor unit 12.

  The second indoor unit 12 air-conditions the air sucked from the first communication chamber 4 and blows it out to the second rooms 3a, 3b, and 3c. The second rooms 3a, 3b, 3c are isolated from the first room 2 and the first communication room 4. For this reason, the temperature-controlled air blown into the second chambers 3a, 3b, and 3c flows into the second communication chamber 11 via the suction grille 18, respectively. The air that has flowed into the second communication chamber 11 is again sucked into the first indoor unit 6.

  That is, in the building 1 in which the air conditioning system is installed, the first room 2, the first communication room 4, the second rooms 3a, 3b, 3c, and the second communication room 11 communicate in series. Thus, an air passage is formed in which air circulates in a loop. For this reason, the air blown out from the first indoor unit 6 to the first room 2 does not return to the first indoor unit 6 again without passing through a room other than the first room 2. Further, the air blown out from the second indoor unit 12 to the second rooms 3a, 3b, 3c does not pass through the rooms other than the second rooms 3a, 3b, 3c, and again, the second indoor unit 12 again. Will never return.

(Disposition relationship)
Next, the arrangement relationship between the first indoor unit 6 and the second indoor unit 12 will be described.
As shown in FIG. 1, the building 1 has a first outer wall 1a and a second outer wall 1b facing each other. For example, when the position of the first outer wall 1 a is arranged on the east side with respect to the center of the building 1, the position of the second outer wall 1 b is on the west side with respect to the center of the building 1. The first indoor unit 6 is arranged at a position closer to the first outer wall 1a than the center of the building 1 in plan view. For example, the first indoor unit 6 is installed in the vicinity of the first outer wall 1a. The second indoor unit 12 is disposed at a position closer to the second outer wall 1b than the center of the building 1 in plan view. For example, the second indoor unit 12 is installed in the vicinity of the second outer wall 1b.

  As described above, by arranging the first indoor unit 6 and the second indoor unit 12 at spatially separated locations, one of the first indoor unit 6 and the second indoor unit 12 is blown out. Thus, the temperature-controlled air reaches the other indoor unit far away, and the entire room, which is the air circulation path, can be uniformly air-conditioned.

(Temperature control operation)
Next, the temperature control operation of the air conditioning system will be described.
The centralized control device 30 performs the following three operations according to the input from the operation unit or the detected temperature.

<Normal operation>
The normal operation is an operation in which the first room 2 and the second rooms 3a, 3b, and 3c are air-conditioned, and air conditioning is performed so that the room temperature of the air-conditioning target becomes a set temperature.
In the normal operation, the central control device 30 adjusts the air conditioning capability of the first indoor unit 6 so that the detected temperature of the second temperature sensor 26 becomes the set temperature, and the detected temperature of the first temperature sensor 25 is adjusted. The air conditioning capability of the second indoor unit 12 is adjusted so that the set temperature is reached.

  The air conditioning capacity of the first indoor unit 6 may be adjusted by controlling the flow rate and temperature of the heat medium flowing through the heat exchanger 9 using the first heat source device 40 or controlling the air volume of the blower 8. Good. Specifically, when the temperature detected by the second temperature sensor 26 is lower than the set temperature, the central control device 30 performs control for increasing the flow rate and temperature of the heat medium flowing through the heat exchanger 9 and the blower 8. At least one of the controls for increasing the air volume is performed. Further, when the temperature detected by the second temperature sensor 26 is equal to or higher than the set temperature, the central control device 30 reduces the flow rate and temperature of the heat medium flowing through the heat exchanger 9 and reduces the air volume of the blower 8. Or at least one of the control which stops ventilation is performed.

  The air conditioning capacity of the second indoor unit 12 may be adjusted by controlling the flow rate and temperature of the heat medium flowing through the heat exchanger 15 with the second heat source unit 41 or with the air volume of the blower 14. Good. Specifically, when the temperature detected by the first temperature sensor 25 is lower than the set temperature, the central control device 30 performs control to increase the flow rate and temperature of the heat medium flowing through the heat exchanger 15, and the blower 14. At least one of the controls for increasing the air volume is performed. Moreover, the centralized control apparatus 30 reduces the flow volume and temperature of the heat medium which distribute | circulates to the heat exchanger 15, and the air volume of the air blower 14 when the detection temperature of the 1st temperature sensor 25 is more than preset temperature. Or at least one of the control which stops ventilation is performed.

  Here, the control target of the first indoor unit 6 is the air temperature of the first room 2, and this is represented by the suction temperature of the second indoor unit 12. For this reason, the centralized control device 30 adjusts the air conditioning capability of the first indoor unit 6 using the temperature detected by the second temperature sensor 26 as a control target. Further, the control target of the second indoor unit 12 is the air temperature of the second rooms 3 a, 3 b, and 3 c, and this is represented by the suction temperature of the first indoor unit 6. Therefore, the centralized control device 30 adjusts the air conditioning capability of the second indoor unit 12 with the temperature detected by the first temperature sensor 25 as a control target.

<Small load operation>
The minute load operation means that the first room 2 and the second rooms 3a, 3b, 3c have a small cooling load or a small cooling load compared to the air conditioning capacity of the first indoor unit 6 and the second indoor unit 12. This operation is performed when a heating load is generated.

  Here, when a slight cooling load or heating load is generated in both the first room 2 and the second rooms 3a, 3b, 3c, both the first heat source unit 40 and the second heat source unit 41 are provided. When the is operated, both the first heat source unit 40 and the second heat source unit 41 are repeatedly started and stopped in a short cycle, and energy loss occurs.

  In order to avoid the start / stop operation that repeatedly starts and stops at such a short cycle, the central control device 30 sets the cooling load or the heating load in the first room 2 and the second rooms 3a, 3b, and 3c in advance. If the value is smaller than the specified value, the microload operation is performed. In addition, as a preset value, the value smaller than the value of the air-conditioning load which can be processed by one of the 1st indoor unit 6 or the 2nd indoor unit 12, for example is set. The cooling load or the heating load is calculated from, for example, a temperature difference between the set temperature and room temperature, or a temperature difference between the outside air temperature and room temperature.

  In the minute load operation, the central control device 30 stops one of the first heat source device 40 or the second heat source device 41 and operates the other. In addition, the blower 8 of the first indoor unit 6 and the blower 14 of the second indoor unit 12 are operated. Note that the control operation of the heat source machine that is operated in the first heat source machine 40 or the second heat source machine 41 is the same as the normal operation described above.

  In the building 1 in which the air conditioning system is installed by such a minute load operation, a loop-like air passage in which each room communicates in series via the first indoor unit 6 and the second indoor unit 12. Air circulates and can handle the air conditioning load of both the first room 2 and the second rooms 3a, 3b, 3c. Therefore, the operation which avoids the start / stop operation of the heat source machine and reduces the loss of energy consumption can be performed.

<Mixed load operation>
The mixed load operation is an operation performed when a heating load is generated in one of the first room 2 and the second rooms 3a, 3b, and 3c and a cooling load is generated in the other.

  For example, during the daytime in winter, when the outside air temperature is low but the windows and roofs become hot due to solar radiation, a cooling load is generated in the second rooms 3a, 3b, 3c on the second floor, and the first floor on the first floor There is a case where a heating load is generated in the room 2. Further, for example, in the spring or autumn season, a heating load is generated in the second rooms 3a, 3b, and 3c on the second floor due to the difference in space size and heat insulation performance of each room, and the first room 2 on the first floor is cooled. There are cases where load occurs.

  Thus, when the heating load and the cooling load are mixed in each room of the building 1, the central control device 30 performs a minute load operation. The cooling load or heating load is calculated from, for example, the temperature difference between the set temperature and room temperature, or the temperature difference between the outside air temperature and room temperature.

  In the mixed load operation, the central control device 30 stops the first heat source unit 40 and the second heat source unit 41. Further, the central control device 30 operates the blower 8 of the first indoor unit 6 and the blower 14 of the second indoor unit 12, respectively.

  Through such a mixed load operation, the flow of the heat medium from the first heat source device 40 and the second heat source device 41 is stopped, and the first indoor unit 6 and the second indoor unit 12 are in a blowing operation. In the building 1 in which the air conditioning system is installed, air circulates through the first indoor unit 6 and the second indoor unit 12 through a loop-shaped air passage in which the rooms communicate in series. That is, the air in the room where the heating load is generated flows into the room where the cooling load is generated, and the air which flows out of the room where the cooling load is generated flows into the room where the heating load is generated. To do. Thus, without operating the first heat source unit 40 and the second heat source unit 41, the air conditioning load is mixed and the entire room can be uniformly air-conditioned. Therefore, energy consumption can be reduced and efficient operation can be performed.

(effect)
As described above, in the first embodiment, the building 1 communicates with the first room 2, the second rooms 3 a, 3 b, 3 c isolated from the first room 2, and the first room 2. The first communication chamber 4 isolated from the second chambers 3a, 3b, 3c, and the second communication chamber 11 connected to the second chambers 3a, 3b, 3c and isolated from the first communication chamber 4. And comprising. In addition, the air conditioning system provided in the building 1 includes a first indoor unit 6 that sucks air in the second communication chamber 11 and blows out the sucked air to the first room 2 and the first indoor unit 6. A second indoor unit 12 that sucks air in the communication chamber 4 and blows out the sucked air to the second rooms 3a, 3b, and 3c.
For this reason, the first chamber 2, the first communication chamber 4, the second chambers 3a, 3b, 3c, and the second communication chamber 11 communicate with each other in series and have an air passage through which air circulates in a loop shape. Thus, it is possible to reduce uneven temperature distribution in each room of the building 1.
Moreover, the duct etc. for conveying temperature control air to every corner of each room can be reduced, and installation cost and construction cost can be reduced. Moreover, it is not necessary to provide a return air path for returning the temperature-controlled air blown out by one indoor unit to the indoor unit again, and the equipment cost and the construction cost can be reduced.
In addition, since the first indoor unit 6 and the second indoor unit 12 are provided, the total air path length viewed from one indoor unit is shortened compared to the case where there is one indoor unit, and the blast power The air conditioning operation can be performed with high efficiency.

In the first embodiment, the building 1 includes a plurality of second rooms 3a, 3b, and 3c that communicate with one second communication chamber 11, and the second indoor unit 12 includes the first room Air in the communication chamber 4 is sucked, and the sucked air is conditioned and blown out to each of the plurality of second rooms 3a, 3b, 3c. That is, in the plurality of second rooms 3 a, 3 b, 3 c, the temperature-controlled air blown out from the second indoor unit 12 branches in parallel, and an air passage is formed that merges again in the second communication chamber 11. .
For this reason, the path | route of the air path which circulates through each room of the building 1 in a loop shape can be shortened, and highly efficient air-conditioning operation can be performed.

Further, in the first embodiment, the second rooms 3a, 3b, and 3c are arranged above the first room 2, and the second communication room 11 includes the ceiling of the first room 2 and the second room 2. Between the rooms 3a, 3b and 3c.
For this reason, the 1st indoor unit 6 can use the 2nd communication room 11 which is the space between the floors of the building 1 as a suction chamber. Therefore, it is not necessary to provide a return air passage for returning the temperature-controlled air that has passed through the second rooms 3a, 3b, and 3c to the first indoor unit 6, and the equipment cost and the construction cost can be reduced.

Moreover, in this Embodiment 1, the 1st communication room 4 is comprised by the staircase which connects the upper and lower floors of the said building 1, or an atrium.
For this reason, it is not necessary to provide a duct or the like for communicating the upper and lower floors of the building 1 in order to form the circulation air passage, and the equipment cost and the construction cost can be reduced.

Moreover, in this Embodiment 1, the building 1 has the 1st outer wall 1a and the 2nd outer wall 1b which mutually oppose, and the 1st indoor unit 6 is a plan view from the center of the building 1 Are arranged at positions close to the first outer wall 1a, and the second indoor unit 12 is arranged at a position closer to the second outer wall 1b than the center of the building 1 in plan view.
For this reason, one indoor unit of the first indoor unit 6 and the second indoor unit 12 is blown out by arranging the first indoor unit 6 and the second indoor unit 12 in a spatially separated place. The temperature-controlled air reliably reaches the other indoor unit far away, and the entire room, which is the air flow path leading to the indoor unit, can be uniformly air-conditioned.

In the normal operation, the central control device 30 controls at least one of the blower 8 and the first heat source unit 40 of the first indoor unit 6 so that the temperature detected by the second temperature sensor 26 becomes the set temperature. The at least one of the blower 14 and the second heat source device 41 of the second indoor unit 12 is controlled so that the temperature detected by the first temperature sensor 25 becomes the set temperature.
For this reason, it is possible to control the room temperature of the first room 2 and the second rooms 3a, 3b, and 3c to be air-conditioned to be the set temperature.

In addition, the central control device 30 adjusts the air conditioning capability of the first indoor unit 6 using the temperature detected by the second temperature sensor 26 as a control target, and sets the second temperature using the temperature detected by the first temperature sensor 25 as a control target. The air conditioning capacity of the indoor unit 12 is adjusted.
For this reason, the temperature control air blown out by one indoor unit of the first indoor unit 6 and the second indoor unit 12 can set the entire room to the set temperature until the other indoor unit is reached.

In the minute load operation, the central control device 30 stops one of the first heat source unit 40 or the second heat source unit 41 and turns on the fans 8 and 14 of the first indoor unit 6 and the second indoor unit 12. Let each run.
For this reason, it is possible to avoid the start / stop operation in which both the first heat source device 40 and the second heat source device 41 are repeatedly started and stopped in a short cycle, and to perform an operation that reduces the loss of energy consumption.

In the mixed load operation, the central control device 30 stops the first heat source unit 40 and the second heat source unit 41, and operates the fans 8 and 14 of the first indoor unit 6 and the second indoor unit 12, respectively. Let
For this reason, without operating the 1st heat source machine 40 and the 2nd heat source machine 41, an air-conditioning load is mixed and it can air-condition the whole room uniformly. Therefore, energy consumption can be reduced and efficient operation can be performed.

Embodiment 2. FIG.
FIG. 3 is a schematic configuration diagram of an air-conditioning system according to Embodiment 2 of the present invention and a building in which it is installed.
As shown in FIG. 3, the air conditioning system according to Embodiment 2 includes an air passage opening / closing means 19 that opens and closes an air passage 31 that communicates the first room 2 and the second communication chamber 11. The air path opening / closing means 19 is constituted by a damper, for example, and is configured to be able to switch the air path 31 between an open state and a closed state.

  The air passage opening / closing means 19 may be configured by a manual damper that is manually opened and closed, or may be configured by an electric damper that can be driven by a remote operation from the central control device 30. When the air passage opening / closing means 19 is configured by a manual damper, a sensor for detecting the open / closed state of the air passage opening / closing means 19 may be provided and the detection result may be input to the central control device 30.

  Other configurations are the same as those of the first embodiment, and the same reference numerals are given to the same portions.

Next, the operation of the air conditioning system in the second embodiment will be described.
<Air path opening / closing means closed>
As shown in FIG. 3, the second communication chamber 11 and the first chamber 2 are isolated when the air passage opening / closing means 19 is closed. In this state, the centralized control device 30 performs the same operation as in the first embodiment described above.

<Air path opening / closing means closed>
FIG. 4 is a diagram for explaining the operation of the air-conditioning system according to Embodiment 2 of the present invention.
As shown in FIG. 4, the second communication chamber 11 and the first room 2 communicate with each other through the air passage 31 in a state where the air passage opening / closing means 19 is opened. In a state where the air passage opening / closing means 19 is opened, the central control device 30 operates only one of the first indoor unit 6 or the second indoor unit 12.

  For example, when the operation of the first indoor unit 6 is stopped and only the second indoor unit 12 is operated, the air flow path in the building 1 is as shown in FIG. That is, the second indoor unit 12 air-conditions the air sucked from the first communication chamber 4 and blows it out to the second rooms 3a, 3b, and 3c, and blows them out to the second rooms 3a, 3b, and 3c. The temperature-controlled air flows into the second communication chamber 11 via the suction grille 18 respectively. The air that has flowed into the second communication chamber 11 flows into the first room 2 via the air passage 31. Then, the air blown into the first room 2 is sucked into the second indoor unit 12 again via the first communication chamber 4.

  When the operation of the second indoor unit 12 is stopped and only the first indoor unit 6 is operated, the temperature-controlled air blown out from the first indoor unit 6 is supplied from the air passage 31 to the second Flows into the communication chamber 11 and is sucked into the first indoor unit 6 again.

As described above, the second embodiment includes the air passage opening / closing means 19 that opens and closes the air passage 31 that communicates the first room 2 and the second communication chamber 11. Only one of the first indoor unit 6 or the second indoor unit 12 is operated with the opening / closing means 19 open.
For this reason, only a specific room among a plurality of rooms can be air-conditioned, and air-conditioning operation can be performed efficiently. Further, since the stopped indoor unit is not included in the path through which the air circulates, it is possible to avoid an increase in the blowing power due to the pressure loss when the air passes through the stopped indoor unit. Therefore, the air conditioning operation can be efficiently performed.

Embodiment 3 FIG.
FIG. 5 is a schematic configuration diagram of an air-conditioning system according to Embodiment 3 of the present invention and a building in which it is installed.
As shown in FIG. 5, the air conditioning system according to the third embodiment includes air volume adjusting means 27a, 27b, and 27c provided in the second rooms 3a, 3b, and 3c, respectively. The air volume adjusting means 27a, 27b, and 27c adjust the air volume of the air blown from the second indoor unit 12 to the second rooms 3a, 3b, and 3c, respectively. Further, the air volume adjusting means 27a, 27b, and 27c are configured by, for example, a shutter that can adjust the opening area of the blowing duct 16. Further, the air volume adjusting means 27a, 27b, and 27c are configured to be remotely operated from the central control device 30.

  Third temperature sensors 25a, 25b, and 25c are provided in the second rooms 3a, 3b, and 3c, respectively. For example, the third temperature sensors 25a, 25b, and 25c are disposed on the suction grille 18 and detect the temperature of the air flowing out from the second chambers 3a, 3b, and 3c to the second communication chamber 11, respectively.

Other configurations are the same as those in the first or second embodiment, and the same portions are denoted by the same reference numerals.
The central control device 30 according to the third embodiment corresponds to the “air volume control device” according to the present invention.

Next, the operation of the air conditioning system according to Embodiment 3 will be described.
The centralized control device 30 controls the operations of the first indoor unit 6 and the second indoor unit 12, the first heat source unit 40, and the second heat source unit 41, as in the first embodiment. Furthermore, the centralized control device 30 controls the air volume of the air volume adjusting units 27a, 27b, and 27c so that the detected temperatures of the third temperature sensors 25a, 25b, and 25c become the set temperatures, respectively.

  Specifically, when the temperature detected by the third temperature sensor 25a is equal to or higher than the set temperature, the centralized control device 30 reduces the air volume of the air volume adjusting means 27a and reduces the temperature-controlled air flowing into the second room 3a. Reduce the amount. Further, when the temperature detected by the third temperature sensor 25a is lower than the set temperature, the central control device 30 increases the air volume of the air volume adjusting means 27a and increases the amount of temperature-controlled air flowing into the second room 3a. Let Similarly, the centralized control device 30 controls the air volume adjusting unit 27b based on the temperature detected by the third temperature sensor 25b, and controls the air volume adjusting unit 27c based on the temperature detected by the third temperature sensor 25c.

As described above, in the third embodiment, the amount of air provided in each of the second rooms 3a, 3b, and 3c and blown from the second indoor unit 12 to the second rooms 3a, 3b, and 3c. Are provided with air volume adjusting means 27a, 27b, and 27c.
For this reason, the air volume balance of the temperature-controlled air flowing into the second rooms 3a, 3b, 3c from the second indoor unit 12 can be adjusted.

  The centralized control device 30 controls the air volume of the air volume adjusting means 27a, 27b, and 27c so that the detected temperatures of the third temperature sensors 25a, 25b, and 25c become the set temperatures, respectively. For this reason, it is possible to independently control the temperature of each of the second rooms 3a, 3b, and 3c. Therefore, for example, even if there is a difference in the amount of air blown from the blowing grille 17 due to the distance between the suction port 13 of the second indoor unit 12 and the blowing grille 17 in each room or the difference in ventilation resistance, It is possible to control the room temperature of the second rooms 3a, 3b, and 3c to be the set temperature.

Embodiment 4 FIG.
FIG. 6 is a schematic configuration diagram of an air-conditioning system according to Embodiment 4 of the present invention and a building in which it is installed.
As shown in FIG. 6, the air conditioning system according to the fourth embodiment includes a ventilation device 20 in which an exhaust fan 21 and an air supply fan 22 are built.
The exhaust fan 21 discharges air from any one of the first room 2, the second rooms 3 a, 3 b, 3 c, the first communication room 4, and the second communication room 11 to the outside. The exhaust fan 21 sucks indoor air from a room that becomes a dirty zone such as a sanitary or a range, for example, via an exhaust duct 23 and discharges the air outside.

  The air supply fan 22 is a first room 2, a second room 3 a, 3 b, 3 c, a first communication room 4, or another room in which the exhaust fan 21 is not provided in the second communication room 11. Introduce outside air. The air supply fan 22 sucks fresh outside air from the air supply duct 24 and supplies the air indoors.

  In the example shown in FIG. 6, the exhaust fan 21 exhausts air from the first chamber 2 and the air supply fan 22 introduces outside air into the second communication chamber 11. It is not limited. As described above, in the building 1, since the rooms communicate with each other in series to form an air path in which air circulates in a loop shape, outside air may be introduced into any room. That is, fresh outside air can be supplied to the entire area of the building 1 without providing a ventilation device in each room or each floor.

Other configurations are the same as those in the first to third embodiments, and the same portions are denoted by the same reference numerals.
The exhaust fan 21 corresponds to “exhaust means” in the present invention, and the air supply fan 22 corresponds to “air supply means” in the present invention.

As described above, in the fourth embodiment, any one of the first room 2, the second rooms 3a, 3b, 3c, the first communication room 4, or the second communication room 11 is provided. Air is supplied from the air supply fan 22 for introducing outside air and the other one of the first chamber 2, the second chambers 3a, 3b, 3c, the first communication chamber 4, and the second communication chamber 11. And an exhaust fan 21 for discharging outdoors.
And since the air circulation path in the building 1 is formed in a loop shape, if fresh outside air is introduced into one place, the whole area in the building 1 will be spread, and there is no need to install a plurality of ventilators 20. System equipment costs can be reduced.

Embodiment 5. FIG.
FIG. 7 is a schematic configuration diagram of an air-conditioning system according to Embodiment 5 of the present invention and a building in which it is installed.
As shown in FIG. 7, the building 1 in this Embodiment 5 is, for example, a three-story detached house, and rooms that are spaces to be air-conditioned are provided on each floor. In the example shown in FIG. 7, the first room 2, the first communication room 4, the second rooms 3 a, 3 b, 3 c, the second communication room 11, the third room 50, and the third communication room 60. However, an air passage is formed which communicates in series and circulates in a loop.

  The air conditioning system according to the fifth embodiment includes a third indoor unit 51 that sucks air in the second communication chamber 11 and blows the sucked air into the third room 50 after air conditioning. The 3rd indoor unit 51 has the suction inlet 52, the air blower 53, the heat exchanger 54, and the blower outlet 55 similarly to the 1st indoor unit 6 mentioned above. Further, a fourth temperature sensor 56 that detects the temperature of the air sucked into the third indoor unit 51 is provided.

  Other configurations are the same as those in the first to fourth embodiments, and the same parts are denoted by the same reference numerals.

  With such a configuration, the first indoor unit 6, the second indoor unit 12, and the third indoor unit 51 each suck in the air in the communication room, blow out the sucked air to the room, Air is circulated through the looped air passage of building 1. Therefore, the same effects as those of the first to fourth embodiments described above can be obtained.

  In addition, although the case where the building 1 is a three-story house has been described in the fifth embodiment, the present invention is not limited to this and may be configured to include an arbitrary number of rooms and communication rooms. That is, the building 1 includes a plurality of rooms and a plurality of communication rooms that communicate with the two rooms, and each room and each communication room communicate in series to form a loop-shaped air passage. It ’s fine. In addition, the air conditioning system includes a plurality of indoor units provided in an air passage that communicates between the communication room and the room, and each of the plurality of indoor units sucks air in the communication room and air-conditions the sucked air. Any structure may be used as long as air is circulated through the airflow and looped air passages.

  DESCRIPTION OF SYMBOLS 1 Building, 1a 1st outer wall, 1b 2nd outer wall, 2nd 1st room, 3a-3c 2nd room, 4th 1st communication room, 5 stairs, 6 1st indoor unit, 7 suction inlet, 8 blower, 9 heat exchanger, 10 outlet, 11 second communication chamber, 12 second indoor unit, 13 inlet, 14 blower, 15 heat exchanger, 16 outlet duct, 17 outlet grill, 18 inlet grill, DESCRIPTION OF SYMBOLS 19 Air path opening / closing means, 20 Ventilator, 21 Exhaust fan, 22 Air supply fan, 23 Exhaust duct, 24 Air supply duct, 25 1st temperature sensor, 25a-25c 3rd temperature sensor, 26 2nd temperature sensor 27a-27c Air volume adjusting means, 30 centralized control device, 31 air path, 40 first heat source machine, 40a, 40b pipe, 41 second heat source machine, 41a, 41b pipe, 50 third room, 1 third indoor unit, 52 suction port, 53 a blower, 54 a heat exchanger, 55 outlet, 56 fourth temperature sensor 60 third communication chamber.

Claims (16)

A first room; a second room isolated from the first room; a first communication room communicating with the first room; and a second communication room isolated from the second room; and the second room. An air conditioning system provided in a building comprising the first communication room and the second communication room isolated from the first communication room,
A first indoor unit that sucks in air in the second communication room, blows the sucked air into the first room, and blows it out to the first room;
A second indoor unit that sucks air in the first communication chamber, blows the sucked air into the second room in an air-conditioned manner, and
Air conditioning system with A first heat source device for supplying a heated or cooled heat medium to the first indoor unit;
A second heat source unit for supplying a heated or cooled heat medium to the second indoor unit;
A control device for controlling the operation of the first indoor unit and the second indoor unit, and the first heat source unit and the second heat source unit;
With
The first indoor unit and the second indoor unit are respectively
A heat exchanger for exchanging heat between the heat medium and air;
A blower that sucks air from a suction port and blows out air that has passed through the heat exchanger from a blowout port;
The air conditioning system according to claim 1, comprising: A first temperature sensor for detecting a temperature of air sucked into the first indoor unit;
A second temperature sensor for detecting a temperature of air sucked into the second indoor unit;
With
The control device includes:
Controlling at least one of the blower and the first heat source unit of the first indoor unit so that the detected temperature of the second temperature sensor becomes a set temperature;
The air conditioning system according to claim 2, wherein at least one of the blower and the second heat source unit of the second indoor unit is controlled so that a temperature detected by the first temperature sensor becomes a set temperature. The control device includes:
Stop one of the first heat source machine or the second heat source machine,
The air conditioning system according to claim 2, wherein the blowers of the first indoor unit and the second indoor unit are operated. The control device includes:
Stopping the first heat source machine and the second heat source machine;
The air conditioning system according to claim 2, wherein the blowers of the first indoor unit and the second indoor unit are operated. An air passage opening and closing means for opening and closing an air passage communicating the first room and the second communication chamber;
The control device includes:
With the air passage opening / closing means open,
The air conditioning system according to claim 2, wherein only one of the first indoor unit and the second indoor unit is operated. In the building, a plurality of the second rooms communicate with one second communication room,
The second indoor unit is
The air conditioning system according to any one of claims 1 to 6, wherein the air in the first communication chamber is sucked, the sucked air is air-conditioned and blown out to each of the plurality of second rooms. Provided in each of the plurality of second rooms,
The air conditioning system according to claim 7, further comprising an air volume adjusting unit that adjusts an air volume of air blown from the second indoor unit to the second room. A third temperature sensor provided in each of the plurality of second rooms and detecting the temperature of air in the second room;
An air volume control device for controlling the air volume of the air volume adjusting means so that the detected temperatures of the third temperature sensors are respectively set temperatures;
The air conditioning system according to claim 8, comprising: An air supply means for introducing outside air into any one of the first chamber, the second chamber, the first communication chamber, or the second communication chamber;
Exhaust means for discharging air from the other one of the first chamber, the second chamber, the first communication chamber, and the second communication chamber; and
The air conditioning system according to any one of claims 1 to 9, further comprising: The building has a first outer wall and a second outer wall facing each other,
The first indoor unit is arranged at a position closer to the first outer wall than the center of the building in plan view,
The air conditioning system according to any one of claims 1 to 10, wherein the second indoor unit is disposed at a position closer to the second outer wall than the center of the building in plan view. An air conditioning system provided with a plurality of rooms and a plurality of communication rooms communicating with the two rooms, the room and the communication rooms communicating in series to form a looped air passage Because
A plurality of indoor units provided in the air passage communicating the communication room and the room;
Each of the plurality of indoor units is
An air conditioning system that sucks in air in the communication chamber, blows the sucked air into the room, and circulates the air through the looped air passage. The first room,
A second room isolated from the first room;
A first communication room communicating with the first room and isolated from the second room;
A second communication chamber communicating with the second chamber and isolated from the first communication chamber;
With
A building in which the air conditioning system according to any one of claims 1 to 12 is arranged. The second room is located above the first room;
The building according to claim 13, wherein the second communication room is disposed between a ceiling of the first room and a floor of the second room. The building according to claim 13 or 14, wherein the first communication room is configured by a staircase or an atrium connecting the upper and lower floors of the building. Multiple rooms,
A plurality of communication rooms communicating with the two rooms;
With
The room and the communication chamber communicate in series to form a loop-shaped air passage,
A building in which the air conditioning system according to claim 12 is arranged.

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