JPH11153332A - Multifunctional air conditioning system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a multifunctional air conditioning system maintaining energy-saving, conducting cooling and heating, ventilation, humidity control, and air purification with sufficiently adjusting capability for and not affected by an air quality state inside or outside a room, capable of free selection according to numbers or kinds of rooms and purposes of air conditioning, and with simple and inexpensive construction in an air conditioning apparatus used for cooling and heating, ventilation, and the like inside a room. SOLUTION: The system comprises inducing indoor air 8, heating and cooling, and ventilating by an indoor side heat exchanger 2 by a method wherein outside air is pressed and introduced by compressed air-supplying means 13 provided inside an outdoor unit 14 to an indoor unit 1 and allowed to blow off from an induction ventilation apparatus 3 provided inside the indoor unit 1. The system is provided with humidity-control means 2, 7 and indoor air-purifying means 2, 3, 4. Thereby energy-saving is obtained, and operation is not affected by an air quality state inside or outside a room, and selection according to numbers or kinds of rooms and purposes of air conditioning is freely available, and simple and inexpensive construction is realized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multifunctional air-conditioning system for simultaneously or selectively performing air-conditioning for ventilation, cooling and heating, air purification, and humidity control in a building.

[0002]

2. Description of the Related Art In recent years, in offices and houses, IAQ (air quality) in a room has been focused on in addition to air conditioning only for cooling and heating. In particular, in houses, high airtightness and high heat insulation are progressing, and in addition to ventilation accompanying cooling and heating, demand for a comfortable multifunctional air conditioning system that has functions of removing indoor air pollutants such as formaldehyde and VOC and adjusting humidity is added. Is growing.

Conventionally, there have been air conditioners (air conditioners) for performing this type of cooling and heating, and heat exchange type ventilation devices, for example, so-called air conditioning ventilation fans for houses. A heat exchange ventilation air conditioning unit combining these is also considered, and the configuration will be described below with reference to FIG.

[0004] As shown in the figure, in a heat exchange ventilation unit 102 installed on the ceiling 101, air in a room 104 is sucked from a return air port 103, and is divided into a return air 106 and an exhaust 114 at a branch portion 105. Return air 106 is the indoor blower 10
7. Air is supplied to the room 104 through the air inlet 109 through the indoor heat exchanger 108. On the other hand, the exhaust 114 is
Then, the air is exhausted to the outdoor 112 by the outdoor blower 111. At this time, outdoor fresh air 113 is supplied to the other passage of the heat exchange element 110 by the indoor blower 107, heat exchange is performed by the heat exchange element 110, and fresh air close to the temperature and humidity of the indoor air. The air 113 merges with the return air 106, passes through the indoor blower 107, is heated or cooled by the indoor heat exchanger 108, and is supplied to the room 104 from the air supply port 109 to perform cooling and heating.

[0005]

In such a conventional heat exchange ventilation unit 102, in addition to the conventional cooling and heating,
Ventilation and air purification and humidity control with a total heat exchanger are also possible,
With respect to air purification, it is difficult to remove indoor air pollutants other than carbon dioxide, for example, formaldehyde, VOC, etc. by only ventilation, and the load of cooling and heating increases with an increase in ventilation, which is against energy saving. . The humidity control by the total heat exchanger is affected by the temperature and humidity inside and outside the room.
For example, it is difficult to secure a comfortable humidity of about 50% for humans in winter when the humidity is low, and as a result, the heat exchange ventilation air-conditioning unit 102 becomes large and the indoor comfort is hindered. There is a demand for a multifunctional, highly efficient and compact air-conditioning system having sufficient controllability.

[0006] In addition to the single room, the heat exchange ventilation air-conditioning unit 102 is not only large in size but also large in the multi-room, toilets and bathrooms for different air-conditioning purposes. There is a problem that the number of pipes increases, the ventilation loss and the construction cost increase, and there is a demand for an air conditioning system that can accommodate multiple rooms, can select the purpose of air conditioning, and is simple and inexpensive for construction.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems. In addition to air-conditioning and ventilation, the air purifying function for efficiently removing indoor air pollutants and the indoor and outdoor air quality while ensuring energy saving. It is possible to provide a multifunctional air conditioning system with a humidity control function that has a sufficient controllability that is not affected by the condition of the room, and that it can be freely selected according to the number of rooms, room types, and the purpose of air conditioning. It is an object of the present invention to provide a simple and inexpensive multifunctional air conditioning system.

[0008]

In order to achieve the above object, a multifunctional air conditioning system according to the present invention attracts indoor air by blowing out pressurized air with an indoor heat exchanger for cooling and heating the room. By doing so, an air-conditioning and ventilation ventilator that performs ventilation, and a drain duct that collects water-soluble indoor pollutants in the condensed water for indoor air purification by the indoor-side heat exchanger and dew louvers, and drains the water to the outside. An indoor unit comprising: a dehumidifier in the indoor heat exchanger in summer, and a humidifier for humidifying and humidifying by a humidifier in winter.
A pressurized air supply unit for supplying pressurized air to the induced ventilation device is provided in the outdoor unit, and a refrigerant pipe for cooling and heating the room and a pressurized air supply for supplying the pressurized air for external air introduction and ventilation are provided. The indoor unit and the outdoor unit are connected by a duct.

According to the present invention, in addition to cooling, heating and ventilation, an air purifying function for efficiently removing indoor air pollutants and a sufficient regulating ability not affected by the indoor and outdoor air quality are ensured while saving energy. A multifunctional air conditioning system having a certain humidity control function can be obtained.

Another means is to provide a plurality of indoor units for one outdoor unit, and connect them by a refrigerant pipe, a pressurized air supply duct, and a drainage duct. By supplying the pressurized air to the plurality of indoor units by a pressurized air branch unit that branches pressurized air provided in the middle of the branch duct,
It is configured to perform air conditioning, ventilation, air purification, and humidity control of a plurality of rooms.

According to the present invention, a multifunctional air-conditioning system which can be freely selected according to the number of rooms, is simple in construction, and is inexpensive can be obtained.

Another means is to provide an indoor unit and a dedicated ventilation unit for one outdoor unit, branch and supply pressurized air by a pressurized air branch unit and a pressurized air branch duct, and Is connected by a refrigerant pipe, the ventilation dedicated unit is provided in a common space such as a toilet and a bathroom to perform only ventilation, and the indoor unit is provided in a living room, a bedroom and the like to perform cooling / heating, ventilation, air purification, and humidity control. It is what it was.

According to the present invention, a multifunctional air-conditioning system which can be freely selected in accordance with the number of rooms, the type of room, and the purpose of air-conditioning, and which is simple and inexpensive to construct can be obtained.

Further, the other means is performed by introducing pressurized air humidified by the humidifying means provided in the outdoor unit into the room from the induction ventilator. This is a configuration of a functional air conditioning system.

According to the present invention, it is possible to obtain a multifunctional air conditioning system which has a humidity control function having a sufficient controllability without being affected by the air quality inside and outside the room and is easy to use.

The multifunctional air conditioner according to claim 1, wherein the other means supplies water to a humidifying water tray provided in the indoor heat exchanger to humidify by a heating heat source. This is the configuration of the system.

According to the present invention, it is possible to obtain a multifunctional air conditioning system having a humidity control function having a sufficient controllability without being affected by the air quality inside and outside the room while ensuring energy saving.

According to another aspect of the present invention, there is provided a multifunctional air conditioner according to any one of claims 1, 2, 3, 4, and 5, wherein the indoor air purifying means is provided in the indoor unit.

According to the present invention, a multifunctional air conditioning system having an air purifying function for a wide range of indoor air pollutants can be obtained.

Further, another means is that a plurality of exhaust ports are provided in the room, and the indoor air pollutant is forcibly exhausted to the outside by introducing outside air by an induced ventilation device.
The multifunctional air-conditioning system according to 2, 3, 4, 5, or 6.

According to the present invention, a multifunctional air conditioning system having an air purifying function for inexpensively discharging indoor air pollutants while ensuring energy saving can be obtained.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention provides an indoor heat exchanger for cooling and heating a room and an induced ventilation device for cooling and heating and ventilating by inducing room air by blowing out compressed air. By the indoor heat exchanger and the dew louver, a water-soluble indoor pollutant is collected in the condensed water for indoor air purification, and a drain duct for draining to the outside and dehumidifying by the indoor heat exchanger in summer. In order to cool and heat the room, an indoor unit having a humidity control means for humidifying and humidifying by the humidifying means in winter and a pressurized air supply means for supplying pressurized air to the induced ventilation device are provided in the outdoor unit. The indoor unit and the outdoor unit are configured to be connected by a refrigerant pipe and a pressurized air supply duct that supplies the pressurized air for performing outside air introduction ventilation, and introduces outdoor fresh air. In addition to performing cooling and heating while ventilating according to, it is said that dehumidification in summer, humidification by humidification in winter is not affected by air quality inside and outside the room, and water-soluble indoor air pollutants are removed. Has an action.

Also, a plurality of indoor units are provided for one outdoor unit and connected by a refrigerant pipe, a pressurized air supply duct, and a drainage duct, and are provided between the pressurized air supply duct and the pressurized air branch duct. By supplying the pressurized air to the plurality of indoor units by a pressurized air branch unit that branches the pressurized air provided in the air conditioner, the cooling / heating, ventilation, air purification, and humidity control of the plurality of rooms are performed. The cooling and heating, ventilation, humidity control, and air purification of a plurality of rooms can be performed by one outdoor unit.

An indoor unit and a dedicated ventilation unit are provided for one outdoor unit, and pressurized air is branched and supplied by a pressurized air branch unit and a pressurized air branch duct. Connected, the ventilation dedicated unit is provided in a common space such as a toilet, a bathroom, etc., and performs only ventilation, and the indoor unit is provided in a living room, a bedroom, etc., to perform cooling / heating, ventilation, air purification, and humidity control. Yes, one room can only be ventilated, and the other room can be selected by one outdoor unit according to the purpose of air quality of the room to perform air conditioning, ventilation, air purification, and humidity control.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0026]

(Embodiment 1) As shown in FIG. 1, a room-side heat exchanger 2 for cooling and heating a room 5 and a pressurized air 9 are blown out to attract room air 8, thereby cooling and heating and ventilation. And a drain duct 12 that collects water-soluble indoor pollutants in dew water for indoor air purification and drains them to the outside by a ventilating device 3 that performs ventilation and a dew louver 4. Is an indoor unit 1 provided with a humidity control means for dehumidifying in the indoor heat exchanger 2 and humidifying and humidifying in a winter by a humidifying device 7;
And a pressurized air supply duct 10 for supplying the pressurized air 9 for cooling and heating the room 5 and for supplying the pressurized air 9 for introducing and ventilating outside air. Thus, the indoor unit 1 and the outdoor unit 14 are connected.

The indoor heat exchanger 2 is connected to a refrigerant pipe 11.
By connecting to the outdoor unit 14 at the same time, a cycle of a heat pump is formed (not shown). By switching a four-way valve (not shown) in the outdoor unit 14, cooling and heating operations become possible. I have.

When the indoor air 8 in the room 5 is drawn and sucked by the pre-filter 6 provided in the indoor unit 1, dust and the like are collected.

With the above structure, the outdoor air 15 is sucked and pressurized by the pressurized air supply means 13 provided in the outdoor unit 14, and the compressed air 9 as the pressurized air 9 is induced by the pressurized air supply duct 10. Supplied to the device 3,
When the pressurized air 9 is blown out, the indoor air 8 passes through the pre-filter 6 and the indoor heat exchanger 2,
The air-conditioning and ventilation are performed by the invitation. At the same time, due to the temperature difference between the pressurized air chamber 9 supplied from the outside and the indoor air 8 and the temperature difference between the indoor heat exchanger 2, the moisture in the indoor air 8 is reduced by the indoor heat exchanger 2 and the dew louver 4. As the water condenses, water-soluble indoor pollutants such as formaldehyde and ammonia are collected and drained by the drain duct 12.

On the other hand, in the summer or rainy season, the indoor heat exchanger 2 is dehumidified by the dehumidifying function. In winter, humidification air is supplied to the room 5 by the humidification device 7 provided in the indoor unit 1 to perform humidification and humidity control.

As described above, according to the present invention, in addition to cooling, heating and ventilation, an air purification function for efficiently removing indoor air pollutants and a sufficient air quality that is not affected by the indoor and outdoor air quality, while ensuring energy saving. A multifunctional air conditioning system having a humidity control function with an adjusting ability is provided.

(Embodiment 2) A description will be given with reference to FIG.

The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted. As shown in FIG. 2, for one outdoor unit 14, a plurality of indoor units 1 are provided on a ceiling or the like in the room, and connected by the refrigerant pipe 11, the pressurized air supply duct 10, and the drain duct 12, The pressurized air 9 is supplied to the pressurized air branch unit 1 provided between the pressurized air supply duct 10 and the pressurized air branch duct 19.
6, is supplied to the induction ventilation device 3 provided in the plurality of indoor units 1, and draws the indoor air 8 from the indoor air intake 17 provided in the indoor unit 1, and from the indoor air outlet 18. It is supplied to the room A20a and the room B20b.

With the above configuration, the room A20a and the room B2
The cooling / heating, ventilation, air purification, and humidity control of 0b can be performed by one outdoor unit 14.

As described above, according to the present invention, it is possible to simultaneously or selectively air-condition a plurality of rooms that require multipurpose air quality adjustment, such as a living room or a bedroom, and to reduce air blowing loss and reduce costs. It is possible to provide a multifunctional air conditioning system with a low construction cost.

In the embodiment of the present invention, the number of rooms is set to two. However, even if the number of rooms is plural, the effect is not changed by changing the capability of the apparatus. (Embodiment 3) A description will be given with reference to FIG.

The same parts as those in the first or second embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 3, the outdoor unit 14
A plurality of indoor units 1 and a dedicated ventilation unit 21 are provided on the ceiling or the like of the table, and connected by a refrigerant pipe 11, a pressurized air supply duct 10, and a drainage duct 12, and the pressurized air 9 is From the pressurized air branch unit 16 provided in the middle of the pressurized air branch duct 19 and supplied to the induction ventilation device 3 provided in the dedicated ventilation unit 21, and the indoor air 8 is supplied to the indoor air intake port. The air is decompressed while being drawn from the room 17 and supplied to the room C22 from the room air outlet 18.

With the above structure, only the ventilation is performed in the room C22, and the room D23 performs cooling / heating, ventilation, air purification, and humidity control by the structure of the indoor unit 1.

As described above, according to the present invention, an indoor unit 1 is provided in a room that requires multipurpose air quality control, such as a living room or a bedroom, and a room such as a toilet or a bathroom that requires only ventilation is provided. By providing a dedicated ventilation unit 21, a multi-function air-conditioning system can be provided in which air quality control can be selected, energy is saved, ventilation loss is reduced, and construction costs are reduced.

In the embodiment of the present invention, the number of rooms is set to two. However, even if the number of rooms is plural, the effect is not changed by changing the configuration and capability of the equipment.

(Embodiment 4) A description will be given with reference to FIG.

The same parts as those in the first, second, or third embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 4, the humid air generated by the outdoor humidifier 24 provided in the outdoor unit 14 is mixed with the outside air 15, and the indoor air is supplied by the pressurized air supply means 13 provided in the outdoor unit 14. It is configured to be supplied to the unit 1.

With the above configuration, during humidification, the humidified air is supplied from the outdoor unit 14 to the indoor unit 1 as compressed air 9 through the pressurized air supply duct 10.

As described above, according to the present invention, humidification can be performed without providing a humidifying device in the indoor unit 1, so that humidifying water is not supplied to the indoor unit 1 provided at a high place in the room 5. Therefore, it is possible to provide an easy-to-use multifunctional air conditioning system.

(Embodiment 5) A description will be given with reference to FIG.

The same parts as those in the first, second, third or fourth embodiment are denoted by the same reference numerals, and the detailed description thereof will be omitted.

As shown in FIG. 5, humidification water 26 is supplied to a humidification water tank 25 provided in the indoor unit 1 and humidification water is supplied to a humidification water tray 27 provided in the indoor heat exchanger 2 in the indoor unit 1. By dripping, it heats and evaporates with the heat source of the said indoor side heat exchanger 2.

With the above configuration, since humidification is mainly required during heating in winter, the indoor heat exchanger 2 becomes hot during heating, and the humidified water 26 dropped from the humidified water tank 25 is supplied to the indoor heat exchanger 2. It evaporates in the provided humidified water receiving tray 27 and is attracted by the pressurized air 9 blown out from the induced ventilation device 3, and has a function of humidifying the room 5.

As described above, according to the present invention, the humidifying function can be achieved without providing a special humidifying device, for example, a device incorporating a heater such as a vaporizing humidifying device, in the indoor unit 1, thereby saving energy and reducing costs. A multifunctional air conditioning system can be provided.

(Embodiment 6) A description will be given with reference to FIG.

The same parts as those in the first, second, third, fourth or fifth embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 6, an air cleaning filter 28 made of activated carbon or the like is provided in place of the pre-filter 6 provided in the indoor unit 1 for collecting dust and the like.

With the above configuration, the room air 8 is drawn by the pressurized air 9 blown out from the suction ventilator 3 and passes through the air purification filter 28, the indoor heat exchanger 2 and the condensation louver 4 to remove dust and dirt. It has an effect of collecting not only water-soluble indoor air pollutants but also other minute indoor air pollutants.

As described above, according to the present invention, indoor air pollutants such as pollen and foul odor other than water-soluble indoor air pollutants such as formaldehyde can be collected.
A more comfortable multifunctional air conditioning system can be provided.

In this embodiment, the air purifying filter made of activated carbon is used. However, the catalytic filter and other high-performance filters have the same effect, although there is a difference in the collecting performance.

(Embodiment 7) A description will be given with reference to FIG.

Example 1, 2, 3, 4, 5, or 6
The same reference numerals are given to the same parts as in FIG.

As shown in FIG. 7, a plurality of ceiling exhaust ports 30 a or floor exhaust ports 30 b are provided in the room 5, and fresh outside air 15 is introduced into the room through the outlet 29 by the induced ventilation device 3. With this configuration, the room is set to a positive pressure, and the indoor air pollutant is forcibly exhausted to the outside of the room.

According to the above configuration, the indoor air pollutant has an effect of being exhausted under the ceiling or under the floor together with a pollutant such as carbon dioxide.

As described above, according to the present invention, there is provided a multifunctional air-conditioning system capable of purifying air at the same time as cooling, heating, humidity control, and ventilation without providing the dew louver 4 and the air purifying filter 28 provided in the indoor unit 1. be able to.

[0063]

As is clear from the above embodiments, according to the present invention, the air purifying function for efficiently removing indoor air pollutants in addition to cooling, heating and ventilation while ensuring energy saving, and the indoor and outdoor functions It is possible to provide a multifunctional air-conditioning system having a humidity control function with a sufficient controllability that is not affected by air quality.

Further, it is possible to provide a multifunctional air-conditioning system which can be freely selected according to the number of rooms, the type of room, and the purpose of air-conditioning, and which is simple and inexpensive to construct.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a multifunctional air conditioning system according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram of a multifunctional air conditioning system according to the second embodiment.

FIG. 3 is a configuration diagram of a multifunctional air conditioning system according to a third embodiment.

FIG. 4 is a configuration diagram of a multifunctional air conditioning system according to a fourth embodiment.

FIG. 5 is a configuration diagram of a multifunctional air conditioning system according to a fifth embodiment.

FIG. 6 is a configuration diagram of a multifunctional air conditioning system according to a sixth embodiment.

FIG. 7 is a configuration diagram of a multifunctional air conditioning system according to a seventh embodiment.

FIG. 8 is a configuration diagram of a conventional heat exchange ventilation air conditioning unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Indoor unit 2 Indoor heat exchanger 3 Induction ventilation device 4 Condensation louver 5 Room 6 Pre-filter 7 Humidifier 8 Room air 9 Compressed air 10 Compressed air supply duct 11 Refrigerant pipe 12 Drain duct 13 Compressed air supply means 14 Outdoor unit 15 Outdoor air 16 Pressurized air branch unit 17 Indoor air intake 18 Indoor air outlet 19 Pressurized air branch duct 20a Room A 20b Room B 21 Ventilation dedicated unit 22 Indoor C 23 Indoor D 24 Outdoor humidifier 25 Humidifying water Tank 26 humidified water 27 humidified water receiving tray 28 air purifying filter 29 outlet 30a ceiling exhaust outlet 30b floor exhaust outlet 101 ceiling back 102 heat exchange ventilation unit 103 air vent 104 indoor 105 branch part 106 air exchange 107 indoor blower 108 indoor heat exchange Vessel 109 air supply port 110 Heat exchange element 111 Outdoor blower 112 Outdoor 113 Fresh air 114 Exhaust

Claims (7)

[Claims] 1. An indoor heat exchanger for performing indoor cooling and heating, and an induced ventilation device for performing cooling and heating and ventilation by inducing indoor air by blowing out pressurized air, and the indoor heat exchanger. And dew louvers collect water-soluble indoor pollutants in the dew water for indoor air purification,
An indoor unit including a drain duct for draining outdoors, a dehumidifier in the indoor heat exchanger in summer, and a humidifying unit for humidifying and humidifying by a humidifying unit in winter, and pressurizing the induced ventilation device. A pressurized air supply means for supplying air is provided in the outdoor unit, and a refrigerant pipe for cooling and heating the room and a pressurized air supply duct for supplying the pressurized air for introducing and ventilating outside air are provided by the indoor unit. A multi-function air conditioning system configured to connect outdoor units. 2. An indoor unit is provided with a plurality of indoor units for one outdoor unit, connected by a refrigerant pipe, a pressurized air supply duct, and a drainage duct, and is provided between the pressurized air supply duct and the pressurized air branch duct. By supplying the pressurized air to the plurality of indoor units by a pressurized air branch unit that branches the pressurized air provided in, cooling and heating of a plurality of rooms,
The multi-function air conditioning system according to claim 1, wherein ventilation, air purification, and humidity control are performed. 3. An indoor unit and a dedicated ventilation unit are provided for one outdoor unit, and pressurized air is branched and supplied by a pressurized air branch unit and a pressurized air branch duct. 3. The connected unit for ventilation is provided in a common space such as a toilet or a bathroom to perform only ventilation, and the indoor unit is provided in a living room or a bedroom to perform cooling and heating, ventilation, air purification, and humidity control. 4. Multifunctional air conditioning system as described. 4. The method according to claim 1, wherein the pressurized air humidified by the humidifying means provided in the outdoor unit is introduced into the room from the induction ventilator.
Multifunctional air conditioning system as described. 5. The multifunctional air-conditioning system according to claim 1, wherein water is supplied to a humidifying water tray provided in the indoor heat exchanger to humidify by a heating heat source. 6. The indoor air purifying means is provided in a filter of an indoor unit.
The multifunctional air conditioner according to 4 or 5. 7. A system according to claim 1, wherein a plurality of exhaust ports are provided in the room, and the indoor air pollutant is forcibly exhausted to the outside of the room by introducing outside air by an induced ventilation device.
Or the multifunctional air conditioning system according to 6.