JP7286830B2 - personal air conditioning system - Google Patents

Description

The present invention relates to a personal air-conditioning system that air-conditions a living room in which furniture is installed on the floor using conditioned air supplied from under the floor.

In recent years, in rooms such as offices, it has become important to provide a comfortable space where workers can concentrate on their work. Personal air conditioning systems have been proposed.

For example, in Patent Document 1, furniture such as desks and partitions installed around each worker is provided with air outlets for air conditioning, and conditioned air supplied from underfloor ducts is blown out from the air outlets to achieve convection air conditioning. An air conditioning system is disclosed that performs

In addition, in Patent Document 2, a partition installed around each worker is provided with a radiation panel, and a refrigerant from an outdoor unit is supplied to the radiation panel through a pipe to perform radiation (radiation) air conditioning. An air conditioning system is disclosed.

JP-A-4-350444 JP-A-6-066446

However, in the air conditioning system described in Patent Document 1, since the conditioned air is blown out from the air outlet, the temperature difference between a position near the air outlet and a position away from the air outlet becomes large, resulting in a temperature distribution in the living room. There is a problem that unevenness occurs.

In addition, in order to suppress the occurrence of uneven temperature distribution in the living room, it is conceivable to use convective air conditioning and radiant air conditioning together. When the described air conditioning system is used together, the system for convective air conditioning and the system for radiant air conditioning must be installed separately, resulting in the complexity and cost of the entire system. There is

Furthermore, in the air conditioning system described in Patent Document 1, conditioned air is supplied from the duct under the floor, and in the air conditioning system described in Patent Document 2, the refrigerant is supplied through pipes, so the layout of the living room can be changed. In this case, it is necessary to re-install the ducts and pipes, or to make holes in the floor for the ducts and pipes to pass through.

In order to solve the above problems, the present invention provides a personal air conditioning system that can simplify the labor required to change the layout of a living room without complicating the entire system and increasing the cost. for the purpose.

The present invention is intended to solve the above problems, and a personal air-conditioning system according to the present invention is a personal air-conditioning system that air-conditions a living room in which furniture is installed on the floor using conditioned air supplied from under the floor. In the air conditioning system, the fixture includes a main body serving as a flow path for the conditioned air, an intake port for taking the conditioned air into the main body from under the floor, and the a blower outlet for blowing conditioned air from the main body to the living room, and a blower mechanism provided at the inlet for blowing the conditioned air .

Further, in the personal air conditioning system according to the present invention, the furniture includes a straightening device provided inside the main body, and the straightening device directs the conditioned air taken in through the intake port from the blowout port. The circulating state of the conditioned air is adjusted so that the conditioned air spreads inside the main body before being blown into the living room.

Further, in the personal air conditioning system according to the present invention, the straightening device is composed of a plurality of plate-like flow path adjusting members, and the plurality of flow path adjusting members connect the inlet and the outlet. It is characterized by being arranged so as to form a main flow path and a detour flow path that bypasses the main flow path.

Further, in the personal air conditioning system according to the present invention, the straightening device is composed of a plate-shaped perforated member having a plurality of holes formed therein, and the perforated member is arranged in a longitudinal direction of the perforated member, A line connecting the inlet and the outlet is arranged so as to intersect.

Also, in the personal air conditioning system according to the present invention, the furniture includes at least one of a radiation promoting member and a heat insulating member covering the side surface of the main body.

Further, in the personal air-conditioning system according to the present invention, the intake port is provided on the lower surface of the main body, the outlet is provided on the upper side or the upper surface of the main body, and the furniture is provided on the lower surface of the main body. At least one of an outlet adjustment mechanism provided at an outlet for adjusting the direction or volume of the conditioned air, and a blower mechanism provided inside or below the outlet or the main body for sending the conditioned air. It is characterized by having

Further, in the personal air conditioning system according to the present invention, the air outlet includes a first air outlet provided on the upper side or upper surface of the side surface of the main body and a second air outlet provided on the lower side of the main body. and a blowout port, the fixture includes a flow path switching mechanism provided inside the main body, and the flow path switching mechanism directs the conditioned air taken in by the intake port to the main body. A first flow path formed so as to rise upward and blow out from the first blowout port; A second flow path formed so as to be lowered downward and blown out from the second blowout port, and a flow path for circulating the conditioned air taken in by the intake port, the first flow and a switching unit for switching between the channel and the second channel.

Further, in the personal air conditioning system according to the present invention, the intake port is provided on the lower surface of the main body, the floor is an opening in which a cable connection box can be installed, and the conditioned air is supplied from under the floor. and the furniture is installed on the floor such that the intake port and the air supply port are opposed to each other.

According to the personal air-conditioning system of the present invention, air- conditioning can be performed by blowing out the air-conditioned air taken in through the air intake into the living room through the air outlet. This eliminates the need for dedicated equipment such as piping for air conditioning , which simplifies the work required to change the layout of the living room without complicating the entire system and increasing costs.

It is a figure showing an example of the whole personal air-conditioning system 1 composition concerning an embodiment of the invention. It is a figure which shows an example of schematic structure of the partition 10 which concerns on embodiment of this invention. 1 shows an example of a rectifying device 14 of a partition 10 according to an embodiment of the present invention, (a) is a cross-sectional view along the line AA in the first embodiment, and (b) is the line AA in the second embodiment. FIG. 8C is a cross-sectional view showing an example of a perforated member in the second embodiment; 1 shows an installation example of a partition 10 according to an embodiment of the present invention, where (a) is a top view and (b) is a sectional view taken along line BB. An example of the outlet adjustment mechanism 17 and the blower mechanism 18 of the partition 10 according to the embodiment of the present invention is shown, where (a) is the first embodiment, (b) is the second embodiment, and (c) is the second embodiment. 3 shows the third embodiment, (d) shows the fourth embodiment, (e) shows the fifth embodiment, and (f) shows the sixth embodiment. 1 shows an example of a flow path switching mechanism for a partition according to an embodiment of the present invention, in which (a) shows the flow path of conditioned air during cooling operation, and (b) shows the flow path of conditioned air during heating operation. be.

A personal air-conditioning system 1 according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an example of the overall configuration of a personal air conditioning system 1 according to an embodiment of the invention. The personal air-conditioning system 1 is a system that air-conditions a living room 2 in which a partition 10 as furniture is installed on a floor 20 using conditioned air supplied from below the floor 20 by an air-conditioning device 3 . Here, the personal air conditioning system 1 will be described as an air conditioning system that performs a cooling operation.

A building to which the personal air-conditioning system 1 is applied is composed of a skeleton of upper and lower slabs 4A, 4B, etc., and a living room 2 is formed between a floor 20 and a ceiling 23. As shown in FIG. The floor 20 has an air supply port 21 and an air supply chamber 22 is formed between the floor 20 and the lower slab 4A to form a double floor structure. The ceiling 23 is provided with a return air port 24, and a return air chamber 25 is formed between the ceiling 23 and the upper slab 4B.

The partition 10 is installed vertically on the floor 20 around the worker M, and partitions the living room 2 to form an office space for the worker M. The partition 10 includes an air outlet 12, and the air outlet 12 is configured to blow out the supply air SA whose temperature is adjusted by the air conditioner 3 as conditioned air. The partition 10 is an example of fixtures, and examples of fixtures include desks and cabinets.

The air conditioner 3 includes an air conditioner 30 having an air conditioning function, an air supply pipe 31 communicating with the air supply chamber 22 , and a return air pipe 32 communicating with the return air chamber 25 . The air conditioning unit 30 introduces outside air OA, adjusts the temperature of the introduced outside air OA, and supplies it to the air supply port 21 via the air supply chamber 22 as supply air SA through the air supply pipe 31 . Also, the air conditioning unit 30 sucks the air in the living room 2 through the return air port 24 and the return air chamber 25 as the return air RA through the return air pipe 32 and discharges the air to the outside as the exhaust EA. Note that the air conditioning unit 31 may adjust not only the temperature but also the humidity.

FIG. 2 is a diagram showing an example of a schematic configuration of the partition 10 according to the embodiment of the invention. The partition 10 has an intake port 11 that takes in the air supply SA supplied from the air supply port 21 of the floor 20 as conditioned air, and circulates the conditioned air taken in by the intake port 11 to the inside. A body part 13 for radiant air-conditioning and an outlet 12 for blowing out the air-conditioned air circulated by the body part 13 to the living room 2 are provided.

The body portion 13 is a member forming a screen-like outer shape, and may be of any shape and size. Further, the main body portion 13 is hollow inside, and can circulate conditioned air therein. The intake port 11 is provided on the lower surface of the main body portion 13, and the main body portion 13 is installed on the floor 20 so that the intake port 11 and the air supply port 21 of the floor 20 face each other. The air outlet 12 is provided on the upper side of the main body 13 and on the side of the working space of the worker M. As shown in FIG.

In addition, the partition 10 includes a radiation promoting member 15 that covers the side surface on the work space side of the worker M, and a heat insulating member 16 that covers the side surface on the side opposite to the work space side of the worker M. The radiation promoting member 15 is made of a member having high thermal conductivity, and is made of metal such as aluminum or steel, for example. The heat insulating member 16 is composed of a member having heat insulating properties such as glass wool.

The partition 10 may include either one of the radiation promoting member 15 and the heat insulating member 16. If the partition 10 does not include the heat insulating member 16, the radiation promoting member 15 covers both side surfaces of the main body 13. You can cover it. The radiation promoting member 15 and the heat insulating member 16 may cover a part of the side surface of the main body 13, or may cover the entire side surface. The radiation promoting member 15 and the heat insulating member 16 may be attached to the outside of the side surface of the main body 13, or may be attached to the inside of the side surface.

Since the partition 10 is provided with the above-described radiation promoting member 15, the surface temperature of the main body 13 can be easily lowered by the cold heat of the conditioned air, so that radiant air conditioning can be performed efficiently. In addition, since the partition 10 is provided with the above-described heat insulating member 16, the inflow of heat from the space opposite to the work space of the worker M (the left side of the partition 10 in FIG. 2) and the cold heat into the space. outflow can be suppressed. Furthermore, since the heat insulating member 16 also functions as a sound absorbing material, it is possible to suppress leakage of noise and vibration of a blowing mechanism (details of which will be described later) to the outside.

FIG. 3 shows an example of the rectifier 14 of the partition 10 according to the embodiment of the present invention, (a) is a cross-sectional view along the line AA in the first embodiment, (b) is the FIG. 8C is a cross-sectional view taken along line AA, and (c) is a diagram showing an example of a perforated member in the second embodiment. The partition 10 includes a rectifier 14 provided inside the main body 13 . The rectifying device 14 extends from the intake port 11 to the blowout port 12 so that the conditioned air is spread throughout the interior of the main body 13 before the conditioned air taken in through the intake port 11 is blown out from the blowout port 12 into the living room 2. Adjust the circulation state (for example, the direction of circulation and the amount of circulation) in which the conditioned air circulates between.

In the first embodiment shown in FIG. 3(a), the rectifying device 14 is configured such that the conditioned air taken in through the intake port 11 spreads in the longitudinal horizontal direction of the main body 13 (horizontal direction in FIG. 3). a plurality of plate-like flow path adjusting members 140A and 140B for adjusting the circulation state of conditioned air. , and a plurality of bypass channels 142 that bypass the main channel 141 .

The flow path adjusting member 140A arranged near the central portion in the longitudinal horizontal direction of the body portion 13 is a plate-like member that is arranged in a straight line in the vertical direction inside the body portion 13 . A plurality of flow path adjusting members 140B arranged near the left and right ends in the longitudinal horizontal direction of the main body 13 are obliquely arranged so as to widen from near the center to near the left and right ends as the distance from the inlet 11 increases. , plate-like members arranged in a straight line in the vertical direction above a predetermined height. Note that the number and shape of the flow path adjusting members 140A and 140B are not limited to those described above as long as they divide the space between the intake port 11 and the blowout port 12 into a plurality of flow paths.

In the second embodiment shown in FIGS. 3(b) and 3(c), the rectifying device 14 directs the air-conditioned air taken in through the intake port 11 in the longitudinal horizontal direction of the main body 13 (horizontal direction in FIG. 3). ) for adjusting the circulation state of the conditioned air. The perforated member 143 is a plate-like member in which a plurality of holes 143a and 143b are formed. are arranged to intersect.

The perforated member 143 shown in FIG. 3(b) is arranged so that the longitudinal direction of the perforated member 143 faces the horizontal direction as an example in which the line L1 and the line L2 intersect. , the perforated member 143 may be inclined. The height of the perforated member 143 when arranged inside the main body 13 is such that the distance to the inlet 11 is shorter than the distance to the outlet 12, as shown in FIG. 3(b). placed at height. Although the partition 10 shown in FIG. 3(b) has one perforated member 143, it may have a plurality of perforated members 143 arranged horizontally.

The holes 143a and 143b formed in the perforated member 143 adjust the ease of flow (ventilation rate) of the conditioned air when the conditioned air flows from the blowout port 12 side to the intake port 11 side. , the ventilation rate is adjusted by changing the density and size of the holes 143a and 143b.

In the perforated member 143 shown in FIG. 3(c), the ventilation rate of the holes 143a formed near the central portion in the longitudinal direction of the perforated member 143 is formed near the left and right ends of the perforated member 143 in the longitudinal direction. The density and size of the holes 143a and 143b are adjusted so that the ventilation rate is smaller than that of the hole 143b. For example, the density of the holes 143a may be smaller than the density of the holes 143b, the size of the holes 143a may be smaller than the size of the holes 143b, or a combination of these may be used. . Also, the density and size of the holes 143a and 143b may be adjusted stepwise.

Since the partition 10 is provided with the above rectifier 14, the conditioned air spreads throughout the inside of the main body 13, and the entire main body 13 can be cooled by the cold heat of the conditioned air, so that radiative air conditioning can be performed efficiently. It can be carried out.

FIG. 4 shows an installation example of the partition 10 according to the embodiment of the present invention, (a) is a top view of the floor 20 on which the partition 10 is installed, and (b) is a cross-sectional view taken along line BB. On the floor 20, a square plate-like floor panel 26 is spread all over the floor 20. - 特許庁The four corners of the floor panels 26A-26D are supported by supporting portions (not shown), whereby the air supply chamber 22 is formed below the floor panels 26A-26D. In the air supply chamber 22, the air supply SA is circulated, and a power cable and a communication cable such as a LAN are laid.

The floor panels 26A to 26D are provided with notch-shaped openings 26a and rectangular openings 26b, and the openings 26a and 26b can be used to install cable connection boxes such as outlet boxes for power supply and communication boxes for wired LAN, for example. is configured to When outlet boxes or communication boxes are installed as cable connection boxes in the openings 26a and 26b, power cables and communication cables laid in the air supply chamber 22 are connected to the floor 20 via the outlet boxes and communication boxes. It is possible to connect to devices such as computers installed above.

When the cable connection boxes are not installed in the openings 26a and 26b, or when the cable connection boxes installed in the openings 26a and 26b are removed, the openings 26a and 26b function as the air supply ports 21. do. 4, two openings 26b provided in floor panels 26A and 26B function as air supply ports 21. In FIG. The partition 10 is installed on the floor panels 26A and 26B such that the two openings 26b functioning as the air supply ports 21 and the two intake ports 11 provided on the lower surface of the main body 13 face each other. In this case, the air supply SA flowing through the air supply chamber 22 is supplied to the inside of the main body 13 via the air supply port 21 and the intake port 11 . In this way, the openings 26a and 26b in which the cable connection boxes can be installed can be used as the air supply openings 21, thereby simplifying the labor required to change the layout of the living room.

The partition 10 shown in FIG. 4 has two inlets 11 and two outlets 12, but the number of inlets 11 and outlets 12 may be one or three. It can be more than that. Although the partition 10 shown in FIG. 4 is provided with the outlet 12 on one side, it may be provided with the outlet 12 on both sides, or may be provided with the outlet 12 on both sides. In some cases, the number of outlets 12 may differ between both sides.

It should be noted that the floor panel 26 may be provided with a plurality of holes so that the supply air SA flowing through the air supply chamber 22 seeps out from the surface of the floor panel 26, or the supply air SA may flow through the openings 26a and 26b. You may make it blow off directly to living room 2 from. In addition, when not only the cable connection box is not installed in the openings 26a and 26b but also the partition 10 is not installed, the openings 26a and 26b may be covered or the openings 26a and 26b may be closed. It may be replaced with a floor panel 26 that is not provided. By processing the floor panel 26, the openings 26a and 26b of arbitrary shapes can be added at arbitrary positions.

FIG. 5 shows an example of the outlet adjustment mechanism 17 and the blower mechanism 18 of the partition 10 according to the embodiment of the present invention. 13), in (b), the outlet adjustment mechanism 17 is provided at the outlet 12 (upper side of the main body 13), and the blower mechanism 18 is provided at the main body 13 (c) is a third embodiment in which the outlet adjustment mechanism 17 is provided in the outlet 12 (above the side surface of the main body 13), (d) is A fourth embodiment in which the outlet adjustment mechanism 17 is provided at the outlet 12 (upper surface of the main body 13) and the blower mechanism 18 is provided at the upper side inside the main body 13, (e) shows the outlet adjustment mechanism. 17 is provided on the outlet 12 (upper surface of the main body 13), and the blower mechanism 18 is provided on the lower side inside the main body 13. FIG. FIG. 11 is a view showing a sixth embodiment provided at an outlet 12 (upper surface of main body 13);

The partition 10 includes an air outlet adjustment mechanism 17 provided at the air outlet 12 and a blower mechanism 18 provided inside or below the air outlet 12 or the main body 13 . The outlet adjustment mechanism 17 is a mechanism that adjusts the wind direction and air volume of the conditioned air, and is composed of, for example, a louver. The blowing mechanism 18 is a mechanism for blowing conditioned air, and is composed of, for example, a fan. In the embodiment shown in FIGS. 5(c) and 5(f), the air blowing mechanism 18 is not provided, and the positive pressure of the air supply chamber 22 blows the conditioned air from the air outlet 12. In the embodiment shown in FIGS.

Since the partition 10 is provided with the air outlet adjusting mechanism 17 and the air blowing mechanism 18 described above, the airflow from the air outlet 12 can be adjusted, so that a more comfortable environment can be created according to the thermal sensation of each worker. Obtainable.

Next, a case where the personal air conditioning system 1 is an air conditioning system capable of switching between cooling operation and heating operation will be described. FIG. 6 shows an example of a flow path switching mechanism for a partition according to an embodiment of the present invention, in which (a) is the flow path of conditioned air during cooling operation, and (b) is the flow path of conditioned air during heating operation. It is a figure which shows.

The partition 10 includes a channel switching mechanism 19 provided inside the main body 13 , a first outlet 12 A provided on the upper surface of the main body 13 , and a first outlet 12 A provided on the lower side of the main body 13 . 2 outlets 12B, a first outlet adjustment mechanism 17A provided in the first outlet 12A, a second outlet adjustment mechanism 17B provided in the second outlet 12B, and a main body portion 13 and a blower mechanism 18 provided inside.

The flow path switching mechanism 19 includes a first flow path 190 formed so as to raise the conditioned air taken in through the intake port 11 to the upper side of the main body 13 and blow it out from the first blowout port 12A; A second flow path 191 is formed so that the conditioned air taken in through the inlet 11 rises to the upper side of the main body 13 and then falls to the lower side of the main body 13 and is blown out from the second outlet 12B. and a switching unit 192 for switching between a first flow path 190 and a second flow path 191 as a flow path for circulating the conditioned air taken in by the intake port 11 .

During cooling operation, as shown in FIG. 6A, the switching unit 192 switches to the first flow path 190, opens the first outlet adjustment mechanism 17A, and closes the second outlet adjustment mechanism 17B. occlude. Further, during heating operation, as shown in FIG. 6B, the switching unit 192 switches to the second flow path 191, closes the first outlet adjustment mechanism 17A, and closes the second outlet adjustment mechanism. 17B is released. Note that the switching unit 192 may automatically switch between the first flow path 190 and the second flow path 191 depending on whether the cooling operation or the heating operation is performed, or may switch manually.

Since the partition 10 is provided with the flow path switching mechanism 19, cold air is blown out from the upper portion of the main body portion 13 during cooling operation, and radiant air conditioning is performed using the cold air. Since warm air can be blown out and radiant air conditioning can be performed using warm air, both convection air conditioning and radiant air conditioning can be used in both cooling operation and heating operation, and air conditioning conforms to the principle of cold head cold foot heat It can be performed.

As described above, according to the personal air conditioning system 1 according to the embodiment of the present invention, convection air conditioning is performed by blowing out the conditioned air taken in through the intake port 11 from the outlet 12 into the living room 2, and the conditioned air is is circulated inside the body portion 13, radiant air conditioning can be performed using cold heat or heat from the conditioned air. Therefore, convective air conditioning and radiant air conditioning can be used together in one system, and dedicated equipment such as piping for performing radiant air conditioning is not required, so the overall system does not become complicated and costly. As compared with the case where only convection air conditioning is performed, it is possible to suppress the occurrence of uneven temperature distribution in the living room and to simplify the labor required to change the layout of the living room.

Reference Signs List 1 Personal air-conditioning system 2 Living room 3 Air-conditioning equipment 4A, 4B Slab 10 Partition 11 Inlet 12 Outlet 12A First Blow-out port 12B Second blow-out port 13 Main body 14 Straightening device 15 Radiation promoting member 16 Thermal insulation member 17 Blow-out port adjusting mechanism 17A First Air outlet adjusting mechanism 17B... Second outlet adjusting mechanism 18... Air blowing mechanism 19... Flow path switching mechanism 20... Floor 21... Air supply port 22... Air supply chamber 23 Ceiling 24 Return air port 25 Return air chambers 26A to 26D Floor panels 26a, 26b Opening 30 Air conditioning unit 31 Air supply pipe 32 Return air pipes 140A, 140B Flow path adjusting member 141 Main flow path 142 Detour flow path 143 Perforated members 143a, 143b, Hole 190 First flow path 191...Second flow path 192...Switching part M...Worker

Claims (6)

A personal air-conditioning system that air-conditions a living room in which fixtures are installed on the floor with conditioned air supplied from under the floor,
The fixtures are
a main body that forms the outer shape of the furniture and has an interior serving as a flow path for the conditioned air;
an inlet for taking in the conditioned air from under the floor into the main body;
a blowout port for blowing out the conditioned air taken in by the intake port from the main body to the living room ;
A blowing mechanism provided at the intake port for blowing the conditioned air ;
a heat insulating member that covers the side surface of the main body and functions as a sound absorbing material that suppresses vibration of the blower mechanism;
have
A personal air conditioning system characterized by: 2. The personal air conditioning system according to claim 1, wherein the furniture further comprises a radiation promoting member covering a side surface of the body portion, which is different from the side surface covered by the heat insulating member . The inlet is provided on the lower surface of the main body,
The outlet is provided on a side surface or an upper surface of the main body,
3. The personal air-conditioning system according to claim 1, wherein the furniture further comprises an air outlet adjustment mechanism provided at the air outlet for adjusting the wind direction or air volume of the conditioned air. The personal air conditioning system according to any one of claims 1 to 3, wherein the blower mechanism is a fan. The inlet is provided on the lower surface of the main body,
the floor includes an air inlet for supplying the conditioned air from under the floor;
5. The personal air-conditioning system according to any one of claims 1 to 4, wherein the furniture is installed on the floor so that the intake port and the air supply port face each other. . 6. The personal air-conditioning system according to claim 5, wherein a part of said furniture enters said air supply port, and said blower mechanism is positioned below said floor.

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