TWI541478B - Air conditioning unit - Google Patents

Description

Air conditioner

The present invention relates to an air conditioning apparatus (hereinafter also referred to as an "air conditioner") which is capable of maintaining indoor air quality and having a small amount of energy required for air conditioning even when the amount of ventilation is small. Further, the present invention relates to an air conditioning apparatus using a moisture absorbent such as silicone rubber or zeolite, and more particularly to an air conditioning apparatus which can improve indoor air quality without performing ventilation.

Nowadays, one of the most popular among air conditioners is an air conditioner that performs cooling and heating by a heat pump and combines a total heat exchanger for preventing energy from being discharged with ventilation.

An air conditioner that can further improve air quality and utilize waste heat energy more effectively than such a device combined with a heat pump and a total heat exchanger is being widely used. The air conditioner is a device that uses dry moisture such as silicone to make dry air and humidifies and cools the dry air. Further, there has also been proposed a device for improving energy efficiency obtained by combining a heat pump with an air conditioner.

According to the Japanese Building Standards Law (Building Standards Act), etc., the ventilation of indoor air requires a certain amount of ventilation. In the case of the combination of the heat pump and the total heat exchanger described above, about 60 to 70% of the energy lost by the ventilation during cooling and heating can be recovered.

Here, focusing on the indoor air quality, it is known that when there is a person indoors, oxygen consumption is caused, and odorous components such as carbon dioxide, humidity, and ammonia are increased. The amount of reduced oxygen caused by human breathing is equal to the molar amount of increased carbon dioxide. The reason is: human inhalation oxygen consumption of fat, carbohydrates in the body, and then the carbon dioxide is discharged, and therefore, in conjunction with the moles of O ₂ inhalation and become CO.'S ₂ carbon, oxygen inhaled and exhaled carbon dioxide is equal to . On the other hand, oxygen accounts for 21% in the air, and even if it is reduced by about 1000 ppm, there is no problem at all, but increasing carbon dioxide by 1000 ppm is a problem.

That is, in the Japanese Building Standards Law, the air conditioner that stipulates the central management method needs to keep the carbon dioxide concentration below 1000 ppm (0.1%). In order to satisfy this requirement, the air exchange amount is calculated according to Equation 1, and the result is A ventilation of 30m ³ /h is required.

Requires fresh air volume = carbon dioxide production / (permissible concentration - carbon dioxide concentration of fresh air) = 0.02 (m ³ /h person) / (0.001 - 0.00035) (m ³ / m ³ ) = 30 (m ³ / h person) As a method of improvement, a total heat exchanger as disclosed in Patent Document 1 is employed. By using such a total heat exchanger, 60 to 70% of the energy lost by the ventilation can be recovered. Further, in Patent Document 1, an sensible heat exchanger and a heat pump are used for the total heat exchanger, and energy saving can be further achieved.

Further, an air conditioner called an air conditioner is a device that produces dry air by using a moisture absorbent, and can produce a low dew point air compared to a refrigerating dehumidifier. In addition, waste heat such as an internal combustion engine can be desorbed as a moisture absorbent, and in this case, the energy saving effect can be increased.

Further, since high-humidity air can be produced even when dry air is produced, it is also possible to humidify by supplying the high-humidity air to the room.

The air conditioner as described above is used as an indoor air conditioner of a building, and has been studied as an air conditioner of a hybrid vehicle in recent years. Since a hybrid vehicle has high energy efficiency as a whole, the amount of waste heat is small, and the temperature of the air discharged from the heating device is low, and there is a problem that the anti-fog of the window is insufficient. As the above-described technique, for example, there are devices disclosed in Patent Document 2 and Patent Document 3.

Previous technical literature:

Patent Document 1: Japanese Laid-Open Patent Publication No. 2005-114254

Patent Document 2: Japanese Laid-Open Patent Publication No. 2000-280724

Patent Document 3: Japanese Laid-Open Patent Publication No. 2001-47844

Patent Document 4: Japanese Laid-Open Patent Publication No. 2009-52753

As described above, the device disclosed in Patent Document 1 can ensure the amount of ventilation and also save energy. However, in order to keep the carbon dioxide concentration below a predetermined value, it is necessary to ventilate between the outside air and the indoor air. Therefore, there are limits to the energy saving effect.

The invention of the present application has been completed in order to further realize energy saving, and is an invention for separating and discharging carbon dioxide from indoor air.

That is, as described above, with respect to the oxygen concentration, about 21% with respect to the atmosphere, the lower limit value is 18% according to the Japanese Labor Standards Law (Labor Standard Method), and the allowable range of the oxygen concentration is Compared with carbon dioxide, it is 30 times larger. It can be said that ventilation is to keep the carbon dioxide concentration below the reference value, not for the oxygen concentration. If it is possible to adsorb and remove carbon dioxide and keep the concentration below 1000 ppm while keeping the concentration of other harmful gases such as VOC below the reference value, the amount of ventilation can be reduced to one-fifth according to the formula of Equation 2 (keeping oxygen In the case of a concentration of 20%).

Air exchange amount for keeping the oxygen concentration at 20% = required fresh air amount = oxygen consumption amount / (oxygen concentration of fresh air - allowable oxygen concentration) = 0.02 (m ³ /h person) / (0.21 - 0.20) (m ³ /m ³ )=2(m ³ /h person)

The device disclosed in Patent Document 2 relates to an air conditioner for a vehicle, which is configured to prevent energy from being lost along with ventilation by circulating indoor air, and only to change the amount of air required to prevent an increase in indoor carbon dioxide. gas.

However, in the device described in Patent Document 1, it is still necessary to perform ventilation, and therefore, there is a problem that the energy accompanying this disappears.

Further, the device disclosed in Patent Document 3 relates to an air conditioner for a vehicle which improves dehumidification performance while saving energy. For example, the problem of ventilation is described in paragraph 0003. Therefore, the content of reducing the amount of ventilation of indoor air is described in paragraph 0004.

However, there is still a need to ventilate, and there is a problem that the energy is not lost due to ventilation.

Further, the device disclosed in Patent Document 4 is a device that adsorbs harmful gases and carbon dioxide in indoor air to a honeycomb rotor (honeycomb rotor). Since the device disclosed therein discharges only carbon dioxide and harmful gases, the energy saving effect is particularly high as compared with a device that reduces the indoor concentration such as a harmful gas by ventilation.

However, in the device disclosed in Patent Document 4, when it is used for a long period of time, there is a problem that the oxygen concentration in the room gradually decreases. An object of the present invention is to provide an air conditioner capable of suppressing loss of energy without ventilating and purifying indoor air.

The most important feature of the present invention is that the return air from the room is cooled by an evaporator of a heat pump cycle, and the cooled air is passed through an adsorption zone of a honeycomb rotor having carbon dioxide adsorption. An adsorption zone is passed through the desorption zone of the honeycomb rotor by an external gas that rises in temperature by a condenser of the heat pump cycle system.

Further, the present invention is arranged as follows: a honeycomb rotor including at least a moisture absorbent, a carbon dioxide adsorbent, and a nitrogen adsorbent, the honeycomb rotor being at least divided into an adsorption zone and a desorption zone, circulating indoor air through the adsorption zone, and The air passing through the desorption zone is discharged into the outside air.

In the air conditioning apparatus of the present invention, carbon dioxide in the indoor return air is adsorbed on the honeycomb rotor, and the adsorbed carbon dioxide is desorbed based on the heat of the condenser of the heat pump circulation system and discharged to the atmosphere. Therefore, even if there is a person in the room, the carbon dioxide concentration can be prevented from increasing, and the amount of ventilation can be greatly reduced. In addition, by the selection of the adsorbent of the honeycomb rotor, it is also possible to have the ability to adsorb water vapor to reduce the humidity of the supplied air.

Further, since the amount of ventilation can be greatly reduced, the energy lost by the ventilation can be greatly reduced. In addition, since the desorption of carbon dioxide adsorbed to the honeycomb rotor is the waste heat of the condenser of the heat pump, there is no special energy demand factor, and in this respect, energy is also saved.

In addition, as a honeycomb rotor, when a material having an adsorption property to an odorous substance such as an organic solvent gas (hereinafter also referred to as "VOC") or ammonia is used, VOC and indoor air can be discharged. With odorous substances, improve the indoor environment. Further, as the honeycomb rotor, when a material having the ability to adsorb moisture is used, the humidity of the indoor air can be reduced. In this case, the latent heat load of the heat pump at the time of cooling is reduced, and in this respect, energy is also saved.

In particular, in the summer air conditions in Japan, the humidity is high, and the latent heat load of the heat pump is larger than the sensible heat load when cooling, and if the latent heat load is reduced, the energy consumption of the heat pump is greatly reduced.

For the honeycomb rotor as described above, if the adsorption capacity of the VOC and the adsorption capacity of the moisture are imparted in addition to the adsorption capacity of carbon dioxide, a better effect can be obtained.

According to the air conditioning apparatus of the present invention, since the carbon dioxide generated indoors is adsorbed by the honeycomb rotor and desorbed by the desorption zone, it is discharged into the outside air. Here, oxygen in the indoor air is consumed, but when the nitrogen adsorbent is carried, nitrogen is also adsorbed and discharged, so the concentration of oxygen in the air does not decrease. Incidentally, the atmosphere is composed of about 78% of nitrogen, about 21% of oxygen, and about 1% of other gases. If the atmospheric composition ratio corresponding to the oxygen consumed in the room can be discharged, that is, the discharge is relative to 1 part of oxygen. With 4 times the amount of nitrogen, the oxygen concentration can be kept at around 21%.

On the other hand, the allowable value of carbon dioxide concentration is 0.1% according to the Japanese Building Standards Law (according to the allowable value of the National Institute of Occupational Safety and Health and the American Expert Meeting of Industrial Hygiene, 0.5%), due to only a slight increase in the air. People's health has an impact, so it is considered that everyone in the room needs 30m ³ /H of ventilation, if it can discharge carbon dioxide and a part of nitrogen corresponding to the consumed oxygen, then even if it does not change 30m ³ /H Gas can also maintain the carbon dioxide concentration and oxygen concentration in the indoor environment.

For example, since the carbon dioxide production per person was 0.02m ³ / H, and therefore 0.08m ³ / H combined nitrogen, as long as the ventilation 0.1m ³ / H to. Therefore, based on the Japanese Building Standards Law, the amount of ventilation is three-thirds compared with the case where the carbon dioxide concentration is kept below a predetermined value by ventilation.

Further, in the air conditioner of the present invention, the moisture absorber is further carried on the honeycomb rotor, so that dehumidification in the room can be simultaneously performed.

In addition, the VOC can be discharged from the room by the adsorbent which further carries the organic solvent gas (hereinafter also referred to as VOC) on the honeycomb rotor, and in this case, the indoor environment can be further improved.

In particular, in recent years, photochemical smog has occurred in the urban circle, and in this case, ventilation is caused, and photochemical smog is likely to enter the room. In addition, the gas emitted by the car along the main road and the odorous gas discharged from the busy street due to cooking may also enter the room by ventilation. However, according to the air conditioning apparatus of the present invention, indoor air can be purified without performing ventilation, and thus there is no such problem.

The present invention achieves the purpose of minimizing the amount of ventilation and improving the energy saving effect based on the following arrangement, that is, the return air from the room is cooled by the evaporator of the heat pump circulation system, and the cooled air is passed through the carbon dioxide adsorption. The adsorption zone of the honeycomb rotor is activated, and the external air whose temperature rises by the condenser of the heat pump circulation system passes through the desorption zone of the honeycomb rotor, thereby discharging carbon dioxide in the indoor air to the outside.

In addition, the honeycomb rotor of the present invention comprises a honeycomb having at least a moisture adsorption or absorption function, a carbon dioxide adsorption or absorption function, and a nitrogen adsorption function, and the honeycomb rotor is at least divided into an adsorption zone and a desorption zone to allow indoor air to pass through. Adsorbing the zone and returning the air passing through the adsorption zone to the chamber again, and discharging the air passing through the desorption zone into the outside air, so that a part of the carbon dioxide and nitrogen in the indoor air is discharged to the outside with the moisture, and is capable of being maintained The role of indoor carbon dioxide concentration and oxygen concentration.

[Example 1]

Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings. In Figs. 1 and 2, 1 is a honeycomb rotor which is rotated by driving of the motor 2 as shown in Fig. 2, and is divided into an adsorption zone 3 and a desorption zone 4.

The honeycomb rotor 1 here mainly adsorbs moisture and carbon dioxide, and further adsorbs a polar substance such as formaldehyde. Therefore, as the adsorbent, an acrylic or styrene weakly basic anion exchange resin can be used.

These ion exchange resins also adsorb moisture and carbon dioxide when used in air. The ion exchange resin was pulverized by a grinder and supported on a honeycomb body by a vinyl acetate or acrylic binder to prepare a honeycomb rotor 1.

The honeycomb rotor 1 produced as described above is assembled in the air conditioner 5 of Fig. 1 . The air conditioner 5 of Fig. 1 has the following structure. In the air conditioner 5, the air of the room 6 is returned via the return air passage 7. The external air is dedusted by the filter 8, mixed with the indoor return air passing through the return air passage 7, and dedusted by the filter 9, and enters the cooler 10.

The cooler 10 is an evaporator of the heat pump, and the indoor return air and the outside air are cooled in the cooler 10 to enter the adsorption zone 3 of the honeycomb rotor 1. Here, organic solvent vapor (hereinafter also referred to as "VOC") such as moisture, carbon dioxide, and formaldehyde contained in the indoor return air is adsorbed to the honeycomb rotor 1. Purified dry air is passed through the water spout 11 through the adsorption zone 3 of the honeycomb rotor 1. When water is sprayed from the water spout 11, the air is cooled by the heat of vaporization of the water.

The heater 12 is a device that is applied to heating in winter, and details will be described later. As described above, the purified and cooled air is supplied to the chamber 6 through the supply passage 13 supplied to the room. The heater 14 and the cooler 10 together constitute a heat pump, which is a condenser of the heat pump. The external air passes through the heater 14, and the warmed outside air enters the desorption zone 4 of the honeycomb rotor 1, and desorbs moisture, carbon dioxide, and VOC adsorbed by the honeycomb rotor 1.

The above is a description of the structure of the air conditioner 5 in the summer, and the operation will be described below in conjunction with the air conditions. First, the indoor return air conditions were: carbon dioxide concentration of 1000 ppm, temperature of 27 degrees, relative humidity of 52.3%, absolute humidity of 11.68 g/Kg, and enthalpy of 56.9 KJ/Kg. The air 29000Nm ³ / h and 1000Nm ³ / h outside air (carbon dioxide concentration is 360ppm, the temperature is 35 degrees, 64% relative humidity, the absolute humidity of 22.9g / Kg, enthalpy 93.9KJ / Kg) were mixed. The air is cooled to 15 degrees with a cooler 10. At this time, the indoor air is discharged to the outside by 1000Vm ³ /h by the ventilation of the bathroom and the ventilation of the kitchen. That is, 1000 Nm ³ /h of indoor air and an equal amount of external gas are replaced.

As a result of the experiment, the air condition for supplying air to the room 6 was such that the carbon dioxide concentration was 780 ppm, the temperature was 20.5 degrees, the absolute humidity was 8.00 g/Kg, and the enthalpy was 40.3 KJ/Kg. The heat pump used in this experiment had a coefficient of performance (COP) of 4.

In order to compare with the above results, the inventors studied the energy consumption when only the same carbon dioxide concentration value was achieved by ventilation. For this study, based on the comparison mode shown in FIG. 3, the control mode is that the honeycomb rotor 1 was removed from the air conditioning apparatus 5 of the present invention of FIG. In the control mode, the same components as those of the air-conditioning apparatus 5 of the present invention are denoted by the same reference numerals, and overlapping description will be omitted.

The air condition of the room 6 in the comparison mode is set to be the same as the air condition of the room 6 of the air conditioner 5 of the present invention. The cooling mode load of this control mode was 1155 MJ/h. Further, as shown in Fig. 4, in the case where the total heat exchange rotor 15 is used at the time of ventilation, exchange of sensible heat and latent heat is performed between the exhaust gas and the intake air, and energy is recovered.

According to the calculation result of Table 1, the cooling load of the air conditioning apparatus of the present invention is 697 MJ/h with respect to the cooling load of 1155 MJ/h in the comparison mode in which the total heat exchanger is not provided, and therefore, the energy saving amount is 458 MJ/h. .

[Embodiment 2]

In the above-mentioned Embodiment 1, as the adsorbent of the honeycomb rotor, an acrylic or styrene weakly basic anion exchange resin is used. In the second embodiment, as the adsorbent, the diameter of the pores is 3 (A, angstrom) The following hydrophobic zeolite. The other structure is the same as that of the first embodiment. This hydrophobic zeolite is supported on a honeycomb rotor with a hydrophobic binder. As an example of the hydrophobic binder, in the case of an inorganic binder, a cerium oxide-based binder, that is, an organic polyoxyalkylene cerium oxide is used, in the case of an organic binder Next, a binder formed of a saturated polyester or a acrylate-oligomer or the like is used.

In the honeycomb rotor of this embodiment 2, the adsorbent and the binder are both hydrophobic and do not adsorb moisture. On the other hand, carbon dioxide is adsorbed by small molecules. If someone is in room 6, the carbon dioxide contained in the person's breath will cause the concentration of carbon dioxide to rise. This carbon dioxide is adsorbed in the adsorption zone 3 of the honeycomb rotor 1, and is desorbed in the desorption zone 4 to be discharged into the atmosphere.

In the apparatus of the second embodiment, since the moisture adsorbed to the honeycomb rotor 1 is small and the moisture in the room is not discharged to the outside, it is particularly suitable for an air conditioner in a winter air conditioner or a region having a low humidity.

The binders of the above-described Examples 1 and 2 can also be replaced with a cerium sol. In this case, the moisture adsorption capacity of the adhesive can be exhibited, and the moisture in the room 6 can be discharged.

[Example 3]

Next, an embodiment of the air conditioning apparatus of the present invention will be described in detail with reference to FIG. 101 is a honeycomb rotor in which a non-combustible sheet such as ceramic fiber paper is corrugated (wavy) to form a rotor, and an inorganic moisture absorbent such as silicone or hydrophilic zeolite is carried thereon, or A polymer moisture absorbent such as an ion exchange resin or a polymer water absorbing agent, or a moisture absorbent such as lithium chloride.

Further, the honeycomb rotor 101 is loaded with a carbon dioxide adsorbent such as potassium carbonate (potassium hydrogencarbonate), sodium carbonate (sodium hydrogencarbonate), triethanolamine, monoethanolamine, hydrotalcite or ion exchange resin. The CaO, NaX, CaX, LiLSX and NaLSX types of zeolite also adsorb carbon dioxide, but the moisture is preferentially adsorbed, and after adsorbing moisture, it becomes unable to adsorb carbon dioxide, and the desorption of moisture requires high temperature, so These adsorbents are soaked in a large amount on the outlet side of the process air, or as a separate independent rotor and combined to form an integration.

Further, since zeolites of the CaA, NaX, CaX, LiLSX, and NaLSX type also adsorb nitrogen gas, nitrogen gas can be adsorbed while adsorbing carbon dioxide. However, as described above, the moisture is preferentially adsorbed, and nitrogen gas is not adsorbed.

As a more desirable method, a weakly basic ion exchange resin that adsorbs both moisture and carbon dioxide is carried on the side of the treatment air inlet, and a zeolite of CaA type, CaX type, or LiLSX type is carried on the outlet side, thereby being at the inlet. After the side ion exchange resin adsorbs moisture and carbon dioxide, it is possible to mainly adsorb carbon dioxide and nitrogen by a zeolite which is largely supported on the outlet side. Based on the arrangement in this manner, the zeolite is less affected by moisture and can efficiently adsorb nitrogen and carbon dioxide. As the nitrogen adsorbent, molecular sieves, activated carbon, or the like can also be used.

On the basis of the above, activated carbon or hydrophobic zeolite can also be carried on the honeycomb rotor 101. In this case, the honeycomb rotor also has a function of adsorbing odorous gas or VOC in the chamber.

The honeycomb rotor 101 is divided into a desorption zone 102, a purification zone 103, and an adsorption zone 104. The indoor air is supplied to the purification zone 103 and the adsorption zone 104 by a blower or the like (not shown) because it is a general appliance.

After the air in the chamber 107 passes through the adsorption zone 104 of the honeycomb rotor 101, it leads to the conduit of the purification zone 103 and the supply passage of the chamber 107, respectively.

The air passing through the purification zone 103 is heated by the heater 105, passed through the desorption zone 102, and discharged to the outside air. When the temperature of the air passing through the adsorption zone 104 is excessively increased due to the heat of adsorption, it is cooled by the cooling device 106 such as an evaporator or a cooling coil, and then returned to the chamber 107.

The air conditioning apparatus according to Embodiment 3 of the present invention is constructed as described above, and its operation will be described below.

First, it is necessary to dry the indoor air when it is prevented from being exposed to condensation in the winter and when the laundry is dried indoors. In this case, indoor air is passed through the adsorption zone 104 and the purification zone 103 while the honeycomb rotor 101 is rotated. The air passing through the adsorption zone 104 is dried, and a portion of the carbon dioxide and nitrogen are removed and then returned to the chamber. At the same time, the heater 105 is energized, and the heated air passes through the desorption zone 102, so that the adsorbed moisture and a part of carbon dioxide and nitrogen are desorbed and discharged to the outside air.

As described above, the indoor air is dried, and a part of carbon dioxide and nitrogen in the indoor air is discharged to the outside. Further, the air passing through the adsorption zone 104 is heated by the heat of adsorption, and the heating effect is also exhibited.

When it is desired to dehumidify the room during the summer and plum rain periods, the indoor air is passed through the adsorption zone 104, thereby raising the temperature, but the air passing through the adsorption zone 104 is cooled by the cooling device 106 to form a dry cold air supply chamber. .

In order to dry the air passing through the cooling device 106, there is no latent heat load in the cooling device 106 (based on a load that causes condensation of moisture in the air). Therefore, the capacity of the cooling device 106 can be smaller. If a heat pump is used, the cooling device 106 is used as an evaporator and the heater 105 is used as a radiator, the overall energy consumption is reduced.

When indoors move into new furniture or change wallpapers, it will cause VOC emissions in the room. In this case, the VOC in the indoor air is adsorbed by the honeycomb rotor 101, desorbed in the desorption zone 102, and discharged to the outside air.

As described above, even if a part of carbon dioxide and nitrogen gas and VOC in the room are discharged without performing ventilation, it is possible to prevent the energy from disappearing with the ventilation. Further, even if the outside air contains a pollutant, since there is no ventilation, there is no problem; even if a contaminant enters, it is adsorbed and removed by the honeycomb rotor 101, and the indoor air can be kept clean.

In addition, when the outside air is contaminated, an air cleaner is used to keep the air in the room 107 clean. In this case, when there are many people in the room 107 and exhaled by humans to discharge carbon dioxide, the air-conditioning apparatus of the present invention discharges carbon dioxide to the outside, and also ensures the oxygen concentration in the room 107. Further, the amount of air entering the chamber 107 is the same as the amount of carbon dioxide and nitrogen gas adsorbed and removed by the honeycomb rotor, and since the amount is small, it is desirable to purify the air cleaner.

[Example 4]

Fig. 6 is a view showing the air flow diagram of the fourth embodiment of the present invention. In the above-described Embodiment 3, it is provided that the indoor air passes through the purification zone 103, and in Embodiment 4, it is provided that the outside air passes through the purification zone 103. In the apparatus of Embodiment 3, the reduced portion of the indoor air is only the amount of carbon dioxide and nitrogen which are adsorbed by the honeycomb rotor 101 and desorbed by the desorption zone 102.

Therefore, the apparatus of the third embodiment has a smaller amount of ventilation than the apparatus of the first embodiment, and the amount of external air entering the room is reduced. The apparatus of this embodiment 4 is particularly suitable for the case where the outside air is contaminated.

In the case of a car, in order to prevent dew condensation in winter windows, it is desirable to perform ventilation heating, and the amount of heating energy at the time of ventilation is largely lost. In addition, in order to prevent dew condensation during the rainy season or to reduce the concentration of carbon dioxide even in the presence of a cooling and dehumidifying air conditioner in summer, ventilation is required, so that the cooling energy disappears.

The present invention is applied to an air conditioner for an automobile, and performs air conditioning and dehumidification in the vehicle, and also discharges carbon dioxide and a part of nitrogen gas which is equalized with oxygen consumption. Therefore, in order to maintain the carbon dioxide concentration and the oxygen concentration in the room. It is only necessary to incorporate a small amount of air which is equivalent to carbon dioxide and nitrogen which are adsorbed and discharged by the honeycomb rotor, and it is possible to prevent condensation by eliminating energy (loss) of heating and cooling. , the purpose of reducing carbon dioxide concentration and maintaining oxygen concentration.

Since a car using a gasoline engine has a large amount of waste heat discharge, a special heat source for heating is not required, because in the case of an electric car, there is not a large amount of waste heat source, and it is necessary to save heating energy as much as possible. In this case, it is important to keep the amount of ventilation as small as possible so that warm air is not discharged outside the vehicle. In this case, with the air conditioning apparatus of the present invention, the minimum amount of ventilation can be achieved, and energy saving can be achieved.

[Example 5]

Fig. 7 is a view showing the flow of air in the fifth embodiment of the present invention. In the above-described Embodiment 3 and Embodiment 4, the purification section 103 is provided on the honeycomb rotor 101. For this, in the embodiment 5, the purification zone 103 is not provided, and the outside air is passed through the desorption zone 102. Also in the apparatus of the fifth embodiment, as in the fourth embodiment, the reduced portion of the indoor air is only the amount of carbon dioxide and nitrogen which are adsorbed by the honeycomb rotor 101 and desorbed in the desorption zone 102.

The heater 105 and the cooling device 106 in the apparatus of this embodiment 5 use the heat sink and the evaporator of the heat pump, whereby energy consumption can be reduced.

In each of the above embodiments, the ratio of carbon dioxide and nitrogen gas discharged from the room can be controlled by the temperature of the heater 105. That is, the desorption temperature of carbon dioxide and nitrogen adsorbed by the honeycomb rotor 101 is different, and the desorption amount of carbon dioxide and nitrogen can be adjusted by adjusting the temperature of the heater.

[Industrial availability]

As described above, the air conditioning apparatus of the present invention can maintain the indoor air environment even when the amount of ventilation is very small, so that the energy loss caused by the ventilation is extremely small and the energy saving effect is good.

Further, as a method of manufacturing the honeycomb rotor 1, an example in which an ion exchange resin is pulverized by a grinder and is carried by a vinyl acetate-based acrylic adhesive to a honeycomb-like object is shown, but When paper is used as a raw material of a honeycomb-like object, the paper constituting the paper and the adsorbent are previously dispersed in a binder to carry out papermaking.

Further, in the third to fifth embodiments of the present invention, there is provided an air conditioner capable of discharging carbon dioxide in a room and nitrogen gas equal to oxygen consumption in an external air without maintaining ventilation, thereby maintaining indoor carbon dioxide concentration and oxygen concentration. Thereby, it is possible to provide an air conditioner which can prevent energy from disappearing with ventilation.

1. . . Honeycomb rotor

2. . . electric motor

3. . . Adsorption zone

4. . . Desorption zone

5. . . Air conditioner

6. . . room

7‧‧‧Return air passage

8‧‧‧Filter

9‧‧‧Filter

10‧‧‧ cooler

11‧‧‧Water spout

12‧‧‧heater

13‧‧‧Supply channel

14‧‧‧heater

15‧‧‧Full heat exchange rotor

101‧‧‧Cellular rotor

102‧‧‧Desorption zone

103‧‧‧Development area

104‧‧‧Adsorption zone

105‧‧‧heater

106‧‧‧Cooling device

107‧‧‧ indoor

Fig. 1 is a view showing an air flow of a first embodiment of an air conditioning apparatus according to the present invention.

Fig. 2 is a perspective view showing a honeycomb rotor used in the air conditioning apparatus of the present invention.

Fig. 3 is a view showing an air flow pattern of a comparison mode compared with the air conditioning apparatus of the present invention.

Fig. 4 is a view showing an air flow of a conventional air conditioner.

Fig. 5 is a flow chart showing the air flow of a third embodiment of the air conditioner of the present invention.

Fig. 6 is a view showing an air flow diagram of a fourth embodiment of the air conditioning apparatus of the present invention.

Fig. 7 is a view showing an air flow diagram of a fifth embodiment of the air conditioning apparatus of the present invention.

1. . . Honeycomb rotor

3. . . Adsorption zone

5. . . Air conditioner

6. . . room

7. . . Return air passage

8. . . filter

9. . . filter

10. . . Cooler

11. . . Water spout

12. . . Heater

13. . . Supply channel

14. . . Heater

Claims (3)

An air conditioning apparatus configured to: cool return air from a room through an evaporator of a heat pump circulation system, pass the cooled air through an adsorption zone of a honeycomb rotor having carbon dioxide adsorption, and pass the above The condenser of the heat pump circulation system and the external gas whose temperature rises pass through the desorption zone of the honeycomb rotor, and the honeycomb rotor uses an acrylic or styrene weakly basic anion exchange resin as an adsorbent, and then the ion exchange resin is used. The grinder is pulverized and carried on a honeycomb body by a vinyl acetate-based adhesive or an acrylic adhesive. An air conditioning apparatus characterized in that it is provided to include a honeycomb rotor having at least a moisture adsorption or absorption function, a carbon dioxide adsorption or absorption function, and a nitrogen adsorption function, the honeycomb rotor carrying moisture to the process air inlet side a weakly basic ion exchange resin adsorbed with carbon dioxide, carrying a CaA-based, CaX-based, LiLSX-based zeolite on the outlet side, and the above-mentioned honeycomb rotor is at least divided into an adsorption zone and a desorption zone, so that indoor air passes through the adsorption zone The air passing through the above adsorption zone is returned to the room again, and the air passing through the desorption zone described above is discharged into the outside air. The air conditioning apparatus according to claim 2, wherein the air conditioner is provided with a purification zone on the honeycomb rotor, wherein the indoor air passes through the purification zone, and the air passing through the purification zone is heated, and then The desorption zone is introduced, and the air passing through the desorption zone described above is discharged to the outside.