JPH0452431A - Floor installation type air conditioner - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] This invention relates to a floor-mounted air conditioner for controlling heating, cooling, and ventilation in a highly airtight and highly insulated house.

[Prior Art] An example of an air conditioner for air-conditioning a highly airtight and highly insulated house that has been constructed with high airtightness and reliable insulation is the one disclosed in Japanese Patent Laid-Open Publication No. 180026/1983. There is something. As shown in FIGS. 7 and 8, this device has a configuration in which a fan coil unit 30, a heat exchange ventilation device 31, and a heat source device 32 are each functionally connected. The fan coil unit 3° has a configuration in which an air-conditioning coil 34 is provided on the outlet side of each of two independent blowers 33 to perform a cooling or heating function by conducting a heat medium, and is installed in a space under the ceiling of a house. The heat exchange ventilation device 31 includes a blower that sucks indoor air and a blower that sucks outdoor air, and the heat exchange element 3 transfers outdoor air and indoor air.
Air is supplied and exhausted through 5. Heat source machine 3
2 is a cold/hot water generator, for example, and a fan coil unit 3
This generates a cooling heat medium or a heating heat medium in the air conditioning coil 34 of No. 0 and makes it conductive.

For cooling or heating, a heat source device 32 and a fan coil unit 3 are used.
This is done by operating 0. The air flow cooled or heated by one blower 33 of the fan coil unit 30 is
The duct 36 supplies, for example, a room on the second floor of a house, and the air flow cooled or heated by the other blower 33 is supplied to, for example, a room on the first floor of the house through the other duct 36. A pressure gradient is set such that the pressure gradually decreases from the room where cooled or warmed air is supplied toward the installation location of the fan coil unit 30, and the air flow circulates through each room to the suction side of the fan coil unit 30. reaches the fan coil unit 30, and is sucked into the fan coil unit 30 again.
Circulate the house. For ventilation, heat exchange ventilation device 31
This is done by operating the air conditioner, exhausting indoor air to the outside, and supplying outdoor air into the room. This ventilation by air supply and exhaust is performed through the heat exchange element 35 so that state variables such as indoor temperature and humidity do not change significantly due to ventilation.

[Problems to be Solved by the Invention] In the conventional air conditioner described above, the fan coil unit 30 and the heat exchange ventilation system rIt31 are separate, and when measuring the effective air conditioning of the entire house, the mounting of both is difficult. This often causes problems, such as the difficulty of configuring a system that measures the effective air conditioning of the entire house. In addition, most fan coil units 30 are installed in the ceiling, which makes it difficult to maintain them in general homes, and also requires installation into the structure of the home by providing an inspection port, which increases costs. Contains.

This invention was made in order to solve such conventional problems, and the object is to obtain a floor-mounted air conditioner that is easy to install, easy to maintain, and can effectively air condition the entire house. It is something.

[Means for Solving the Problems] A floor-mounted air conditioner according to the present invention includes an air-conditioning coil that performs a cooling or heating function in a main body casing that is configured in a box shape and can be placed on an installation plane such as the floor of a building. In order to incorporate a heating and cooling device using two circulation blowers and a heat exchanger for heat exchange ventilation into a unit, and to implement an air passage system and heat exchange ventilation to create a cooling and heating atmosphere. The air passage system is configured inside the main body casing, and includes an air supply inlet that takes in outdoor air, an air supply outlet that blows out the air, and an indoor air intake that takes in indoor air for exhaust. and an exhaust outlet, which is the air outlet, are provided in a large part of the main body casing.

[Function] In this invention, by simply installing it on the floor in an appropriate place, such as in a room where the air is easily polluted in a house or in the vicinity thereof,
Effective air conditioning of homes is now possible, equipment construction is easy,
Maintenance can be easily carried out and the usability is improved.

In particular, two air conditioning systems can be constructed using two circulation blowers, and these can be operated individually or simultaneously as necessary.

[Example] Figures 1 to 4 all show an example of the present invention, where Figure 1 is a perspective view of a floor-mounted air conditioner, Figure 2 is a side view thereof, and Figure 3 is a perspective view of the floor-mounted air conditioner. is also a plan view, and FIG. 4 is a system configuration diagram showing application to a house. This floor-mounted air conditioner consists of a cabinet-type main body 1, a pedestal 2 on which the main body 1 is placed, and a duct cover 3 attached to the upper front surface of the main body 1. The main body casing 4 constituting the outer shell of the main body 1 is basically configured in a box shape that can be placed on an installation plane such as the floor of a building without the need for a pedestal 2. Inside the main body casing 4, there is a first air passage 8, which passes outdoor (mostly outdoor) air, that is, outside air, sent through the duct 5, which starts at the air intake 6 and ends at the air supply blowout lower. , and a second air passage 11 that starts at the indoor air intake port 9 and ends at an exhaust outlet 10 connected to the outside via the duct 5 are independently constructed.

A part of the middle of the first air passage 8 and the second air passage 11 is configured to enable total heat exchange by each ventilation passage of a total heat exchanger 12 built into the main body casing 4.

In the first air passage 8 upstream of the total heat exchanger 12, there is interposed an air conditioning coil 13 that forms cooling air or heating air by conducting a cooling heat medium or a heating heat medium. In the first air passage 8 near the air supply blowing lower on the upstream side of the heating and cooling coil 13, two circulation blowers 14 that form an air flow in the first air passage 8 are provided in parallel. .

The first air passages 8 on the suction side of the two circulation blowers 14 are bifurcated into two, and the outlet sides communicate with two individual supply air blowing lowers installed side by side. That is, the first air passage 8 is divided into two systems on the exit side. Furthermore, between the total heat exchanger 12 and the air-conditioning coil 13 in this first air passage 8, there is a third air passage whose end is open to the front of the main body 1 and from which room air is taken in.
The other end of the air passage 15 is connected. All the outlet ends and inlet ends of the ventilation system other than this third air passage 15, that is, the supply air intake 6, the two supply air blow-off lowers, and the indoor air intake 9
and the exhaust outlet 10 are all arranged in a large part of the main body casing 4, as shown in FIG.

More specifically, the exhaust outlet 10 and the intake air intake 6 are arranged side by side on one side of the main part, and the two intake air blow-off lowers are arranged side by side near the front of the top. The indoor air intake port 9 is arranged between the two air supply blow-off lowers near the rear of the top.

Therefore, from the supply air intake 6 of the first air path 8 to the total heat exchanger 12
The route 8a leading to the total heat exchanger 1 of the second air passage 11
2 to the exhaust outlet 10 is the path 11a from the main body 1 to the exhaust outlet 10.
It is configured vertically in parallel to the rear side and the front side on one side, and includes a path from the total heat exchanger 12 of the first air path 8 to the two supply air blow-off lowers, and a second air path 11. The paths from the indoor air intake port 9 to the total heat exchanger 12 are arranged vertically in parallel to the front side and the rear side of the main body 1, respectively. The air supply inlet 6 of the first air passage 8 is connected to the outlet side of an air supply blower 16 that sucks outside air through a duct 5 . Further, the exhaust outlet 10 of the second air passage 11 is connected to the suction side of an exhaust blower 17 that sucks indoor air and exhausts it to the outside of the room through a duct 5. Further, ducts 5 are connected to the two air supply blow-off lowers and the indoor air intake port 9, respectively, and a fourth
An air conditioning system including a residential structure as shown in the figure is configured.

Most of the main body 1 is covered with a removable duct cover 3 attached to the front. The pedestal 2 on which the main body 1 is mounted has a storage section in which a heat source device 18 is installed, and the heat source device 18 that heats the heat medium sent to the air-conditioning coil 13 is incorporated in this storage section.

The heat source device 18 is FF when configuring a heating-only system.
A hot water boiler 18a equipped with a type combustor may be used, but when configuring an air conditioning system, a cooling unit 18b is installed in addition to the hot water boiler 18a as the heat source device 18, and the hot water boiler 18a, cooling unit 18b, and air conditioning coil are installed. 13
will be connected to the piping. The heat source device 18 may be an outdoor unit of a heat pump. In addition, 19 in the figure
is a drain receiver disposed below the total heat exchanger 12;
is an air filter.

The floor-mounted air conditioner with the above configuration is installed on the floor in or near a room in a house where the air is easily contaminated, or, for example, on the installation plane of a sanitary room L1 with high air cleanliness as shown in FIG. By installing piping and heat medium piping, effective air conditioning of the entire house is possible, and with the exception of duct piping, there is no need for ceiling construction for installation, and equipment construction is simple. Furthermore, maintenance can be easily carried out and the system is user-friendly.

Cooling or heating is performed by operating the heat source device 18, the air conditioning coil 13, and the circulation blower 14. That is, by operating the circulation blower 14, a part of the first air passage 8 and the third air passage 15 are
An airflow is formed between the air conditioning and heating coils 13, and the airflow that becomes cooling air or heating air is blown out from each air supply blowing lower through the duct 5 into the room L2 of the house. Room L where cooled or heated air is supplied
A pressure gradient is created in which the pressure gradually decreases from room L2 toward the installation location of the floor-mounted air conditioner, and the air circulating around room L2 is sucked into the third air passage 15 from the circulating air intake port 21 opened at the front. Rarely, circulating in the house. For ventilation, the exhaust blower 17 and the supply air blower 16 are operated to exhaust a portion of the indoor air to the outside through the second air path 11, and the outdoor air is brought into the room through the first air path 8 and into Ll. Implemented by supplying. This air supply/exhaust ventilation is performed through a total heat exchanger 12 built into the main body 1 so that state variables such as indoor temperature and humidity do not change due to ventilation. Two circulation blowers 14 can be operated individually, and it is also possible to operate the air conditioning only for the room L2 that requires air conditioning. If the open end of the duct 5 connected to the indoor air intake port 9 is placed in a room where the air in the house is easily contaminated, such as the kitchen, this room will have a negative pressure, so efficient and energy-saving differential pressure ventilation can be performed. Moreover, if it is installed in a sanitary room L1 with high air purity as shown in FIG. 4, highly clean cooling air or heating air can be circulated and supplied to each room L2. Structurally, the first air passage 8 and the third air passage 15 merge in front of the heating and cooling coil 13, allowing heat exchange with a large amount of air, which has the advantage that the heating and cooling coil 13 can be made smaller. Further, since two circulation blowers 14 are provided in parallel, air conditioning can be performed separately for each system, and the overall size can be more easily miniaturized than with a large blower stand. Furthermore, all the outlet ends and inlet ends of the other ventilation systems except for the third air passage 15 are arranged together at the top of the main body casing 4, making it easier to organize the duct piping and improving the appearance. .

Figures 5 and 6 respectively show application examples of floor-mounted air conditioners. A duct 5a connected to the location is connected to exhaust air containing odor without passing through the main body 1.

In addition, FIG. 6 shows that the air flow from the lower supply air blowout is introduced into the plenum chamber 22, and a multi-system duct 5b is connected to this plenum chamber 22, thereby forming an air conditioning system for the second floor and an air conditioning system for the first floor. It has been made possible. In addition, in FIG. 6, 23 indicates a damper, and 24 indicates an air supply bypass.

[Effects of the Invention] As is clear from the above description of the embodiments, according to the present invention, the effects of the invention can be improved by simply installing it on the floor in an appropriate place, such as in a room where the air is easily polluted or in its vicinity. It is possible to obtain an air conditioning system that is easy to use, easy to install, and easy to maintain. Furthermore, two air conditioning systems can be constructed using two circulation blowers, and by operating these systems individually or simultaneously, air conditioning that suits the usage pattern of the house becomes possible.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing the configuration of a floor-mounted air conditioner as an embodiment of the present invention, Fig. 2 is a side view thereof, Fig. 3 is a plan view thereof, and Fig. 4 is an example of its application. 5 and 6 are block diagrams showing other application examples of floor-mounted air conditioners, and Figures 7 and 8 are block diagrams of conventional air conditioners and systems, respectively. In Figure 0, which is a configuration diagram, 1 is the main body, 4 is the main body gauging,
5 is a duct, 6 is a supply air intake, 7 is a supply air outlet, 8 is a first air passage, 9 is an indoor air intake, 10 is an exhaust outlet, 11 is a second air passage, 12 is a total heat exchanger , 13 is a heating and cooling coil, 1
4 is a circulation blower, 15 is a third air passage, 18 is a heat source machine, 2
1 is a circulating air intake port. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Claims] Inside the main body casing, which has a box-shaped structure and can be placed on an installation surface such as the floor of a building, the starting point is an air intake inlet through which outdoor air is sent through a duct, and two branched air air outlets are connected to the main body casing. A first air path terminating in the air passage, and a second air path starting at the indoor air intake port and terminating at the exhaust outlet communicating with the outdoors via a duct are configured independently, and the first air path and the second air path are configured independently. The middle of the air passage is constructed with a heat exchanger built into the main body casing to enable heat exchange between the air flows flowing through both air passages. 1
An air conditioning coil that performs cooling or heating by conduction of a heat medium from a heat source device is interposed in the air path, and air is injected into the first air path on the side of the air supply outlet further from the air conditioning coil. Two circulation blowers are installed to form a flow and blow out air from each supply air outlet, respectively, and a third airflow is provided to take indoor air into the first air path between the heat exchanger and the air conditioning coil. A floor-mounted air conditioner characterized in that the supply air intake, the supply air outlet, the indoor air intake, and the exhaust outlet are arranged at the top of the main body casing.