JPH05157282A - Air conditioning outside air treatment system for buildings - Google Patents

Abstract

(57) [Summary] [Purpose] Eliminating the need to install an outdoor heat exchanger outdoors, installing piping from the outdoor heat exchanger to the indoor heat exchanger in the air conditioner for outdoor air treatment installed in the building, and installing the outdoor heat exchanger. Make it possible to eliminate installation work and costs for those works. [Composition] An air supply duct 4 for connecting the indoor and the outdoor of a building, an air supply fan 7 for blowing outside air from the outdoor to the indoor, and an exhaust duct 5 for connecting the indoor and the outdoor.
An exhaust fan 11 that blows exhaust air from the room to the outside, and an evaporator (condenser) 1 that heats and cools the outside air.
0, 12 and a compressor 14 for an air conditioning outside air treatment system for a building, the air supply and exhaust fans 7, 11
And the evaporators (condensers) 10 and 12 and the compressor 14 are integrally provided in the outside air processing air conditioner 1 connected to the air supply duct 4 and the exhaust duct 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air-conditioning outside air treatment system for buildings, which performs air conditioning in a building, for example.

[0002]

2. Description of the Related Art Conventionally, the outside air (fresh air) introduced into an air conditioner installed in a building such as a building is
When heating or cooling with a heat pump cycle, an outdoor heat exchanger of the heat pump is installed outside the side wall of the building or the rooftop, and an indoor heat exchanger is installed inside the air conditioner for outside air treatment to perform heat exchange to obtain conditioned air. In general, the exhaust gas from the room, which is supplied to the room through the air supply passage and is exposed to the outside air, is exhausted to the outside through an exhaust passage provided separately from the air supply passage.

[0003]

However, in the above-mentioned conventional method, the indoor heat exchanger as a heat source is placed in the outside air processing air conditioner (outdoor regulator), while the outdoor heat exchanger is placed outdoors. Since it is provided, a connection medium pipe from the outdoor heat exchanger installed outdoors to the air conditioner for outside air treatment and the installation location of the outdoor heat exchanger are required, and construction for installing the pipe and the outdoor heat exchanger is required. Will be needed. Further, there is a problem that if there are variations in the construction technology for installing the pipes and the outdoor heat exchanger, the appearance will be defective, and the piping cost and the installation work cost of the outdoor air conditioner outside will be required. Further, in the above-described conventional method, since the thermal energy contained in the exhaust gas from the room is directly discharged to the outside, there is a problem in that the thermal energy of the indoor exhaust gas cannot be effectively utilized.

The present invention has been made in view of the above circumstances, and eliminates the need to install an outdoor heat exchanger outdoors and eliminates the need to provide an outdoor heat exchanger installation place outdoors.
Piping from the outdoor heat exchanger to the air conditioner for processing the outside air in the building is unnecessary, and appearance defects can be prevented, and piping costs and installation costs for outdoor heat exchangers are not required. An object is to provide a building air-conditioning outside air treatment system, and to provide a building air-conditioning outside air treatment system capable of effectively utilizing thermal energy of indoor exhaust.

[0005]

In order to achieve the above object, the present invention provides an air supply passage for connecting an indoor and an outdoor of a building, and an air supply / blowing means for blowing outside air from the outdoor to the indoor. A building air-conditioning outdoor air treatment system, comprising: an exhaust passage connecting the indoor and outdoor, an exhaust air blowing unit for blowing exhaust air from the indoor to the outdoor, and a heat source for heating and cooling the outdoor air. The air supply / exhaust blower and the heat source are integrally arranged on the air supply passage and the exhaust passage. Further, the present invention is characterized in that the heat source is a heat pump arranged across the air supply passage and the exhaust passage. Further, the present invention is characterized in that the heat source includes a total heat exchanger arranged across the air supply passage and the exhaust passage.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory diagram schematically showing, in a partial block diagram, a schematic configuration of a building air conditioning outside air treatment system according to an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes an air conditioner for outside air treatment installed in a building (not shown), which includes an air supply chamber 2 forming a part of an air supply passage and an exhaust chamber 3 forming a part of an exhaust passage. Two
It consists of a room. An air supply gallery 2a for taking in outside air from the outside and exhaust air exhausted from the inside (not shown) of the building to the outside on the surfaces of the air supply chamber 2 and the exhaust chamber 3 which face the outside, respectively. And an exhaust gas gallery 3a for supplying the air to the air supply chamber 2 and the exhaust chamber 3, which form another part of the air supply passage that communicates with the room. The duct 4 and an exhaust duct 5 forming another part of the exhaust path are connected.

In the air supply chamber 2, there is provided a filter 6 for removing dust contained in the outside air, and the filter 6
An air supply fan 7 as an air supply / blowing means for sending the outside air (hereinafter referred to as primary air) after passing through to the indoor side, a total heat exchanger 8, a preheat heater 9, and a condenser (evaporator) 10 are provided. The preheater 9 is paired with a thermostat 9a attached to the preheater 9, and the temperature of the primary air sent to the condenser (evaporator) 10 during heating operation is kept at 10 ° C. or higher. To control.

On the other hand, in the exhaust chamber 3, the exhaust (hereinafter referred to as secondary air) sent from the chamber through the exhaust duct 5 is used as an exhaust blower for blowing to the exhaust gallery 3a side. Fan 11 and evaporator (condenser) 12
And a cooling fan 13 for cooling the evaporator (condenser) 12, and a compressor 14 for pressurizing a refrigerant moving between the condenser (evaporator) 10 and the evaporator (condenser) 12. ing. A part of the total heat exchanger 8 is located in the exhaust chamber 3, and the thermal energy of the secondary air is exchanged and conducted to the primary air side by the total heat exchanger 8. It is like this. In this embodiment, the condensers (evaporators) 10 and 12 and the compressor 14 form a heat pump, and the heat pump and the total heat exchanger 8 form a heat source.

In the air-conditioning outside air treatment system for buildings of the present embodiment thus constructed, the evaporator (condenser) 12 of the exhaust chamber 3 acts as an evaporator to evaporate the internal refrigerant during heating operation. On the other hand, the condenser (evaporator) 10 of the air supply chamber 2 works as a condenser to condense the refrigerant inside. Therefore, heat is absorbed from the air around the evaporator (condenser) 12, and in the case of the system of FIG. 1, heat is taken into the refrigerant side from the air taken into the exhaust chamber 3 by the cooling fan 13. Be done. Then, this refrigerant is compressed by the compressor 14 and then condensed in the condenser (evaporator) 10 of the air supply chamber 2, and the heat of the refrigerant is released by this condensation and is supplied from the air supply gallery 2a. The primary air taken into the air chamber 2 is heated, and the heated primary air is blown into the chamber (not shown) through the air supply duct 4. In parallel with this, the secondary air taken into the exhaust chamber 3 from the chamber (not shown) via the exhaust duct 5 is sent to the total heat exchanger 8, and the high-temperature heat of the secondary air is generated. The primary air that passes through the total heat exchanger 8 in the air supply chamber 2 is exchanged and conducted to heat the primary air.

On the other hand, during the cooling operation, the condenser (evaporator) 12 of the exhaust chamber 3 acts as a condenser to condense the internal refrigerant, while the evaporator (condenser) of the air supply chamber 2 is condensed. ) 10 acts as an evaporator to evaporate the refrigerant inside. Therefore, the refrigerant after being compressed by the compressor 14 is condensed by the condenser (evaporator) 12, and the heat of the refrigerant is released to the air around the condenser (evaporator) 12. In the case of the system of FIG. 1, the cooling fan 13 radiates heat from the refrigerant to the air taken into the exhaust chamber 3. Then, the cooled refrigerant after the heat radiation is evaporated in the evaporator (condenser) 10 of the air supply chamber 2, heat is absorbed from the primary air around the evaporator (condenser) 10, and the cooling is performed. The generated primary air is blown into the room (not shown) through the air supply duct 4. Further, in parallel with this, the secondary air taken into the exhaust chamber 3 from the chamber (not shown) through the exhaust duct 5 is sent to the total heat exchanger 8, and the low temperature heat of the secondary air is generated. The primary air passing through the total heat exchanger 8 in the air supply chamber 2 is exchanged and conducted to the primary air to cool the primary air.

In this embodiment, the heat pump comprising the evaporators (condensers) 10 and 12 and the compressor 14 is used as the heat source. However, the present invention is also applicable to a system using other heat sources. It is possible. Further, in the present embodiment, the air conditioner 1 for treating the outside air is provided inside the building, but it may be provided in the middle of the air supply duct 4 and the exhaust duct 5. It is not limited.

[0012]

As described above, in the building air-conditioning outside air treatment system of the present invention, the heat source, the air supply / blowing means, and the exhaust air / blowing means are integrally provided on the air supply passage and the exhaust passage. Therefore, it is not necessary to separately install the indoor heat exchanger inside the building and the outdoor heat exchanger outdoors as in the conventional case. For this reason, it is not necessary to provide an outdoor heat exchanger installation place outdoors, and it is possible to prevent appearance defects by eliminating the need for piping from the outdoor heat exchanger to the outside air conditioning air conditioner in the building, and It is possible to eliminate the cost of piping and the cost of installing an outdoor heat exchanger outdoors. Further, in the building air-conditioning outside air treatment system of the present invention, the heat source includes a total heat exchanger arranged across the air supply passage and the exhaust passage, so that from the indoor to the outdoor. The heat of the exhaust gas discharged can be reused for heating and cooling the outside air blown into the room, and the thermal energy of the indoor exhaust gas can be effectively used.

[Brief description of drawings]

FIG. 1 is an explanatory diagram schematically showing a partial block diagram of a schematic configuration of a building air-conditioning outside air treatment system according to an embodiment of the present invention.

[Explanation of symbols]

 2 Air Supply Chamber (Air Supply Path) 3 Exhaust Chamber (Exhaust Path) 4 Air Supply Duct (Air Supply Path) 5 Exhaust Duct (Exhaust Path) 7 Air Supply Fan (Air Supply Blower) 8 Total Heat Exchanger (Heat Source) 10 , 12 Evaporator (condenser) (heat source, heat pump) 11 Exhaust fan (exhaust blower) 14 Compressor (heat pump)

Claims (3)

[Claims] 1. An air supply passage connecting an interior and an exterior of a building, an air supply air-blowing means for delivering outside air from the exterior to the interior, an exhaust passage connecting the interior and the exterior, A building air-conditioning outside air treatment system comprising: an exhaust air blower for blowing exhaust air from indoors to the outside; and a heat source for heating and cooling the outside air, wherein the air supply and exhaust air blower means and the heat source are the air supply. An air conditioning outside air treatment system for buildings, characterized in that it is integrally provided on a road and an exhaust path. 2. The building air-conditioning outside air treatment system according to claim 1, wherein the heat source is a heat pump arranged across the air supply passage and the exhaust passage. 3. The air conditioner outside air for a building according to claim 1, wherein the heat source includes a total heat exchanger arranged across the air supply passage and the exhaust passage. Processing system.