WO2006035827A1 - 換気装置及び建物 - Google Patents
換気装置及び建物 Download PDFInfo
- Publication number
- WO2006035827A1 WO2006035827A1 PCT/JP2005/017873 JP2005017873W WO2006035827A1 WO 2006035827 A1 WO2006035827 A1 WO 2006035827A1 JP 2005017873 W JP2005017873 W JP 2005017873W WO 2006035827 A1 WO2006035827 A1 WO 2006035827A1
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- WIPO (PCT)
- Prior art keywords
- air
- supply
- flow path
- exhaust
- product
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1032—Desiccant wheel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
Definitions
- the present invention relates to a ventilator that is installed in a house and ventilates indoors and outdoors, and a building equipped with the ventilator, and more particularly, an indirect evaporative cooling function that cools air using the heat of vaporization of water.
- the present invention relates to a ventilation device and a building.
- an air conditioner for cooling a building has been proposed, but an air conditioner including an indirect evaporative cooling device that cools the air by using the heat of vaporization of water has been proposed (for example, special features).
- the indirect evaporative cooling device is configured to exchange sensible heat (temperature) between flow paths partitioned by a partition wall, and cools air using the heat of vaporization of water in one flow path and The cooling air is exchanged between the two, and the air passing through the other channel is cooled and supplied to the room or the like.
- An air conditioner equipped with a conventional indirect evaporative cooling device is installed in an office, a store, or the like, and is not considered for installation in a house.
- an air conditioner equipped with an indirect evaporative cooling device it is important to treat the water used for cooling, but the conventional device does not have a water treatment device suitable for use in a house. There is. Another problem is that running costs cannot be reduced by reducing water consumption.
- the present invention has been made to solve such a problem, and provides a ventilator having an indirect evaporative cooling function that can be installed in a house, and a building having such a ventilator. For the purpose.
- the invention of claim 1 includes an air supply passage that communicates from the outside air suction port to the air supply outlet, an exhaust passage that communicates from the return air intake port to the exhaust air outlet, It has a working air channel that communicates with the air supply channel or exhaust channel and is supplied with working air and a product air channel that communicates with the air supply channel and supplies product air.
- the working air flow path and product air are cooled and partitioned by a partition wall Indirect evaporative cooling unit in which sensible heat exchange between working air and product air is performed between the flow paths, water supply device to the indirect evaporative cooling unit, drain pan that receives the supplied water, and drain pan-powered drainage device It is characterized by comprising a control device for controlling the apparatus and the drainage device to drain the drain pan water.
- the invention of claim 2 includes an air supply passage that communicates from the outside air inlet to the air supply outlet, an exhaust passage that communicates from the outside air inlet to the exhaust outlet, and a working air that communicates with the exhaust passage.
- Working air flow path that is supplied with air and a duct air flow path that is connected to the air supply flow path and is supplied with product air.
- the working air is cooled by the heat of vaporization of water and partitioned by a partition wall.
- Indirect evaporative cooling unit in which sensible heat exchange between working air and product air is performed between the flow path and the product air flow path, a water supply device to the indirect evaporative cooling unit, a drain pan that receives the supplied water, and a drain pan It is characterized by having a water supply / drainage device having a drainage device and a control means for controlling the drainage device to drain the drain pan water.
- the invention of claim 3 communicates with the air supply passage communicating from the return air intake port to the air supply outlet, the exhaust passage communicating from the return air intake port to the exhaust air outlet, and the exhaust passage. It has a working air flow path for supplying working air and a duct air flow path for supplying product air in communication with the supply air flow path.
- the working air is cooled by the heat of vaporization of water and partitioned by a partition.
- An indirect evaporative cooling unit in which sensible heat exchange between working air and product air is performed between the working air flow path and the product air flow path, a water supply device to the indirect evaporative cooling unit, and a drain pan and a drain pan that receive the supplied water It is characterized by having a water supply / drainage device having a drainage device from and a control means for controlling the drainage device to drain the drain pan water.
- the water supplied to the indirect evaporative cooling unit is received by a drain pan and drained when the amount of stored water exceeds a predetermined amount, thereby preventing overflow.
- the invention of claim 10 includes an air supply passage communicating from the outside air inlet to the air supply outlet, an exhaust passage communicating from the return air inlet to the exhaust outlet, and an air supply passage or an exhaust passage.
- Products that communicate with working air and air supply channels that are supplied with working air There is a product air flow path to which air is supplied, the working air is cooled by the heat of vaporization of water, and the working air and the product air are between the working air flow path and the product air flow path partitioned by the partition wall.
- An indirect evaporative cooling unit that performs sensible heat exchange, an indirect evaporative cooling unit equipped with a water supply / drainage device that supplies and drains water, and a recovery device that recovers water vaporized by the indirect evaporative cooling unit and reuses it for supply water It is characterized by that.
- the invention of claim 11 is an air supply passage that communicates from the outside air inlet to the air outlet, an exhaust passage that communicates from the outside air inlet to the exhaust outlet, and a working that communicates with the exhaust passage.
- Working air flow path that is connected to the working air flow path to which air is supplied and product air flow path that is supplied with product air and that is supplied with product air.
- the indirect evaporative cooling unit in which the sensible heat exchange between the working air and the product air is performed between the road and the product air flow path, and the indirect evaporative cooling unit is vaporized by the indirect evaporative cooling unit that supplies and drains water It is equipped with a recovery device that recovers water and reuses it for water supply.
- the invention of claim 12 includes an air supply passage communicating from the return air intake port to the air supply outlet, an exhaust passage communicating from the return air intake port to the exhaust air outlet, and communication with the exhaust passage.
- the working air is cooled by the heat of vaporization of water and partitioned by a partition.
- An indirect evaporative cooling unit in which sensible heat exchange between working air and product air is performed between the air flow path and the product air flow path, and an indirect evaporative cooling unit for supplying and discharging water and an indirect evaporative cooling unit. It is equipped with a recovery device that recovers vaporized water and reuses it for water supply.
- the water consumption is suppressed by collecting the water vaporized by the indirect evaporative cooling unit and reusing it for water supply to the indirect evaporative cooling unit.
- the invention of claim 16 is a building comprising such a ventilator.
- the ventilator of the present invention by controlling the drainage of the drain pan that receives the water supplied to the indirect evaporative cooling unit, it is possible to prevent an overflow without enlarging the drain pan, or to be unnecessary when the operation is stopped. Wastewater treatment that is suitable for home use.
- a ventilator having an indirect evaporative cooling function having performance required for installation in a house can be provided in a small size and at a low cost.
- FIG. 1 is a configuration diagram showing an example of a ventilation device 1A according to a first embodiment.
- FIG. 2A is an explanatory diagram showing an outline of an indirect vaporization element.
- FIG. 2B is an explanatory diagram showing an overview of an indirect vaporization element.
- FIG. 2C is an explanatory diagram showing an outline of the indirect vaporization element.
- FIG. 3 A graph showing the relationship between the flow rate of working air WA and the outlet temperature of product air PA.
- FIG. 4 is a graph showing the relationship between the flow rate of product air PA and the outlet temperature of product air PA.
- FIG. 5 A graph showing the relationship between the inlet temperature of working air WA and product air PA and the outlet temperature of product air PA.
- FIG. 6 A graph showing the relationship between the inlet temperature of working air WA and product air PA and water consumption.
- FIG. 7 is a graph showing the relationship between the working air WA and product air PA inlet humidity and the product air PA outlet temperature.
- FIG. 8 is a configuration diagram showing an example of a ventilation device 1B according to a second embodiment.
- FIG. 9 is a configuration diagram showing an example of a ventilation device 1C according to a third embodiment.
- FIG. 10A is a configuration diagram showing an example of a ventilator 1D according to a fourth embodiment.
- 10B This is a comparative example of a configuration with a heat exchange unit and a configuration without a heat exchange unit.
- FIG. 11 A configuration diagram showing an example of a ventilator 1E according to the fifth embodiment.
- FIG. 12 It is a block diagram showing an example of a ventilation device 1F of the sixth embodiment.
- FIG. 13A It is a block diagram showing an example of a ventilation device 1G of the seventh embodiment.
- En 13B is an example of the effect of the configuration including the dehumidifying unit.
- FIG. 14 It is a block diagram showing an example of a ventilator 1H of the eighth embodiment.
- FIG. 15 It is a block diagram showing an example of a ventilator II of the ninth embodiment.
- FIG. 16 A configuration diagram showing an example of a ventilator 1J of the tenth embodiment.
- FIG. 17 It is a block diagram showing an example of a ventilation device 1K of the eleventh embodiment.
- FIG. 19 is a graph showing the relationship between the rotational speed of the dehumidification rotor and the outlet temperature of the product air PA.
- FIG. 23 It is a block diagram showing an example of a ventilation device 1Q of the sixteenth embodiment.
- FIG. 24 A configuration diagram illustrating an example of a ventilation device 1R according to a seventeenth embodiment.
- FIG. 25 It is a block diagram showing an example of a ventilation device 1S of the eighteenth embodiment.
- FIG. 26A It is a perspective view showing an example of a main configuration of the ventilator according to each embodiment.
- FIG. 28 is a configuration diagram of another main part of the ventilation device of each embodiment.
- FIG. 29A It is a configuration diagram of another indirect vaporization element showing the main configuration of the ventilation device of each embodiment.
- FIG. 30 is a configuration diagram showing an example of a building according to the present embodiment.
- FIG. 31 is a block diagram showing an example of an air supply port.
- FIG. 32 is a configuration diagram showing an example of a ventilation device 1T according to a nineteenth embodiment.
- FIG. 33 is a block diagram showing an example of a control function of the ventilation device.
- FIG. 34 is a flowchart showing an example of cooling control by a temperature sensor.
- FIG. 35 is a flowchart showing another example of cooling control by a temperature sensor.
- FIG. 36 is a flowchart showing an example of cooling control by a human sensor.
- FIG. 37 is a flowchart showing an example of ventilation amount control by a human sensor.
- FIG. 38 is a flowchart showing an example of manual start / stop control.
- FIG. 39 is a flowchart showing an example of automatic start / stop control.
- FIG. 40 is a block diagram showing an example of a drain pan.
- FIG. 41 is a flowchart showing an example of drainage control.
- FIG. 42A is a configuration diagram showing a first embodiment of an indirect evaporative cooling unit including a water recovery device.
- FIG. 42B is a configuration diagram showing a first embodiment of an indirect evaporative cooling unit including a water recovery device.
- FIG. 43A is a configuration diagram showing a second embodiment of an indirect evaporative cooling unit including a water recovery device.
- FIG. 43B is a configuration diagram showing a second embodiment of an indirect evaporative cooling unit including a water recovery device.
- FIG. 44A is a configuration diagram showing a third embodiment of an indirect evaporative cooling unit including a water recovery device.
- FIG. 44B is a configuration diagram showing a third embodiment of an indirect evaporative cooling unit including a water recovery device.
- FIG. 1 is a configuration diagram illustrating an example of a ventilator 1 A according to the first embodiment.
- the ventilation device 1A according to the first embodiment includes an air supply fan 2, an exhaust fan 3, and an indirect evaporative cooling unit 4.
- the ventilator 1A includes an outside air inlet 5 for sucking outside air OA (OutsideAir) from the outside, and an air supply outlet 6 for blowing supply air SA (SupplyAir) into the room. Further, the ventilator 1A includes a return air suction port 7 for sucking in indoor return air RA (ReturnAir) and an exhaust air outlet 8 for blowing exhaust EA (Exhaust Air) to the outdoors. Note that each air outlet and each air inlet are connected to the room and the outside via, for example, a duct (not shown).
- the air supply fan 2 and the exhaust fan 3 are, for example, sirocco fans, and the air supply fan 2 is connected to an air supply passage 9A communicating from the outside air intake port 5 to the air supply outlet 6 to the air supply outlet. Creates an air flow toward 6. Further, the exhaust fan 3 generates a flow of directional air to the exhaust outlet 8 in an exhaust passage 10A communicating from the return air inlet 7 to the exhaust outlet 8.
- the indirect vaporization cooling unit 4 includes an indirect vaporization element 11, a water supply / drainage device 12, a drain pan 13 and the like.
- the indirect vaporization element 11 has a working air flow path 11a through which the working air WA cooled by the heat of vaporization of water passes, and a product air flow through which the product air PA is exchanged between the working air WA and the sensible heat (temperature).
- Road l ib is provided.
- the water supply / drainage device 12 includes a water supply valve 12a configured as, for example, an electromagnetic valve as a water supply device, and can control water supply to the indirect vaporization element 11.
- the drain pan 13 receives water supplied to the indirect vaporization element 11 by the water supply / drainage device 12.
- the water supply / drainage device 12 includes a drainage valve 12b constituted by, for example, an electromagnetic valve as a drainage device, and is configured to control the drainage of the drain pan 13.
- the water supply / drainage device 12 has a configuration in which water is dropped or sprinkled from the upper side of the indirect vaporization element 11 and received by the drain pan 13, for example.
- the water supply valve 12a of the water supply / drainage device 12 may be configured to be connected to a water pipe or may be configured to use stored rainwater. Details of the water supply / drainage operation will be described later.
- the air supply passage 9A communicates from the outside air intake port 5 to the air supply outlet 6 through the air supply fan 2 and the product air passage l ib of the indirect vaporization element 11.
- Exhaust channel 10A is the return air inlet 7 Force Passes through the working air flow path 11a of the indirect vaporization element 11 and the exhaust fan 3, and communicates with the exhaust outlet 8.
- the supply air flow path 9A includes an intake air flow rate adjustment damper 14 on the upstream side of the indirect evaporative cooling unit 4, for example.
- the supply air flow adjustment damper 14 constitutes a flow control means, and includes a damper that adjusts the air flow rate by opening and closing, and a motor that drives the damper, and by adjusting the opening of the supply air flow adjustment damper 14, The flow rate of the air flowing through the air flow path 9A is adjusted. Thereby, the flow rate of the product air PA flowing through the product air flow path 1 lb of the indirect vaporization element 11 constituting the indirect vaporization cooling unit 4 is adjusted.
- the exhaust flow path 10A includes an exhaust flow rate adjustment damper 15 on the upstream side of the indirect evaporative cooling unit 4, for example.
- the exhaust flow adjustment damper 15 constitutes a flow control means, and includes a damper that adjusts the air flow rate by opening and closing, and a motor that drives the damper.
- the flow rate of air flowing through 10A is adjusted. Thereby, the flow rate of the working air WA flowing through the working air flow path 11a of the indirect vaporization element 11 constituting the indirect vaporization cooling unit 4 is adjusted.
- the air supply passage 9A includes an air purifying filter 16 as an air purifying device on the upstream side of the indirect evaporative cooling unit 4, for example.
- an air purifying filter 16 as an air purifying device on the upstream side of the indirect evaporative cooling unit 4, for example.
- the supply air flow path 9A includes a temperature sensor 17 at the supply air outlet 6 so that the supply air temperature is detected.
- FIG. 2A to 2C are explanatory diagrams showing an overview of the indirect vaporization element 11, FIG. 2A shows the overall configuration of the indirect vaporization element 11, FIG. 2B shows the main configuration of the indirect vaporization element 11, and FIG. 2C shows the cooling principle.
- the indirect vaporization element 11 includes a dry cell 21 having a plurality of first flow paths 21b partitioned by a partition 21a, and a plurality of second flow paths 22b partitioned by a partition 22a.
- the dry senore 21 and the wet senore 22 are stacked with the partition wall 23 in between so that the first channel 21b and the second channel 22b are orthogonal to each other.
- the partition wall 23 is a moisture-proof film 2 formed of a polyethylene film or the like.
- the moisture-proof film 23a faces the dry cell 21, and the wet layer 23b faces the wet cell 22.
- the partition wall 23 is formed with a vent hole 23c that connects a part of the first flow path 21b and the second flow path 22b.
- a closed portion 24 is formed at the outlet of the first flow path 21b in which the vent hole 23c is formed, and is configured so that air does not pass through.
- the working air flow path 11a is connected to the first flow path 21b, the vent hole 23c, and the second flow path from the inlet of the first flow path 21b in which the vent hole 23c is formed.
- the flow path 22b is communicated with the outlet of the second flow path 22b.
- the product air flow path l ib communicates from the inlet of the first flow path 21b where the vent hole 23c is not formed to the outlet of the first flow path 21b through the first flow path 21b.
- FIG. 2C An outline of the cooling principle by the indirect vaporization element 11 will be described with reference to FIG. 2C.
- the force that flows between the king air WA and the product air PA in the orthogonal direction Figure 2C shows the flow direction of the king air WA and the product air PA in parallel.
- the wetting layer 23b facing the working air channel 11a is supplied with water by the water supply / drainage device 12 shown in FIG.
- moisture is vaporized by the temperature difference between the working air WA passing through the working air flow path 11a and the wet layer 23b, and the working air WA is cooled.
- the product air PA does not change its absolute humidity even when it passes through the product air flow path ib.
- the working air WA passes through the working air channel 11a, the humidity becomes high.
- the input temperature of product air PA and working air WA is 30 ° C
- absolute humidity When the air pressure is 10g / kg (DA: dry air) and the relative humidity is about 40% RH, product air
- the PA outlet temperature drops to 20 ° C.
- the relative humidity rises to about 70% RH due to the temperature drop, but the absolute humidity is 10 gZkg (DA) and does not change.
- the cooling principle of the indirect vaporization element 11 can be expressed as follows using the temperature Td of product air PA, absolute humidity Xd, air volume Gd, temperature Tw of working air WA, absolute humidity Xw, air volume Gw, and other parameters.
- Vd-3 ⁇ 4 ⁇ -G d (h d -h di ) -Q ' d AA (T d -T k ) (Equation 1)
- Vw- ⁇ -r L -G w (h w -h wi ) -a w AA (T w -T k ) + a G AA (X k -X w ) r / O a (Equation 2)
- Figure 3 is a graph showing the relationship between the flow rate of the working air WA and the outlet temperature of the product air PA.
- the conditions for the working air WA and the product air PA input to the indirect vaporization element 11 are: absolute humidity 5.26g / kg (DA: dry air), inlet temperature fixed at 30 ° C, product flow rate of PA fixed at 50m 3 Zhr.
- Fig. 4 is a graph showing the relationship between the flow rate of the product air PA and the outlet temperature of the product air PA.
- the conditions of the working air WA and the product air PA input to the indirect vaporization element 11 are the absolute humidity 5.26g / kg (DA), inlet temperature fixed at 30 ° C, working air WA flow rate fixed at 50m 3 / hr.
- Fig. 5 is a graph showing the relationship between the inlet temperature of the working air WA and the product air PA and the outlet temperature of the product air PA.
- the conditions of the working air WA and the product air PA input to the indirect vaporization element 11 are absolute.
- Fig. 6 is a graph showing the relationship between the inlet temperature of the working air WA and the product air PA and the water consumption.
- the conditions of the working air WA and the product air PA input to the indirect vaporization element 11 are absolute humidity 5 26gZkg (DA), flow rate fixed at 50m 3 Zhr.
- Fig. 7 is a graph showing the relationship between the inlet humidity of the working air WA and the product air PA and the outlet temperature of the product air PA.
- the conditions of the working air WA and the product air PA input to the indirect vaporization element 11 are the temperature 30 ° C, flow rate fixed at 50m 3 / hr.
- the outlet temperature of the inlet duct air PA can be controlled by controlling the humidity at the inlet of the PA.
- the ventilation device 1A When the air supply fan 2 is driven, the ventilation device 1A generates a flow of directional air to the air supply outlet 6 in the air supply passage 9A. As a result, outside air 0A is sucked in from the outside air inlet 5, passes through the product air flow path l ib of the air purifying filter 16 and the indirect vaporizing element 11, and is supplied into the room from the air supply outlet 6 as the supply air SA.
- the ventilator 1A the outside air 0A becomes the product air PA, and the return air RA becomes the boiling air WA.
- the air supply valve 12a of the water supply / drainage device 12 is opened to supply water to the indirect vaporization element 11, so that the wet layer 23b shown in FIGS. 2A to 2C always contains moisture.
- the flow rate of the product air PA passing through the product air flow path ib of the indirect vaporization element 11 is adjusted by the opening degree of the supply air flow rate adjustment damper 14.
- the flow rate of the working air WA passing through the working air flow path 11a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- either the supply air flow adjustment damper 14 or the exhaust flow adjustment damper 15 is operated to adjust the flow rate of the product air PA or the flow rate of the working air WA.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled. Therefore, the supply air temperature from the supply air outlet 6 is controlled.
- the opening amount of the exhaust flow adjustment damper 15 is controlled to increase the flow rate of the working air WA, the outlet temperature of the product air PA in the indirect vaporization element 11 decreases. Therefore, the supply air temperature from the supply air outlet 6 can be lowered.
- the flow rate of the product air PA is increased by controlling the opening degree of the supply air flow adjustment damper 14 As a result, the outlet temperature of the product air PA in the indirect vaporization element 11 rises. Therefore, the supply air temperature from the supply air outlet 6 can be raised.
- the supply air temperature can be controlled by adjusting the flow rate of one of the product air PA and the working air WA, so the supply air flow adjustment damper 14 and the exhaust flow adjustment damper
- a configuration including any one of 15 may be used.
- the product air PA in the indirect vaporization element 11 can also be adjusted by operating both the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 to adjust the flow rate of the product air PA and the flow rate of the working air WA.
- the outlet temperature is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- the flow rate of the product air PA can be adjusted by changing the rotational speed of the supply fan 2, and similarly, the flow rate can be controlled by changing the rotational speed of the exhaust fan 3.
- the flow rate of working air WA is adjustable.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled by controlling the power of the supply fan 2 and the exhaust fan 3 or the air volume of both the supply fan 2 and the exhaust fan 3.
- the supply air temperature from the supply air outlet 6 is controlled.
- the indirect vaporization element can be obtained by combining the control of the opening degree of at least one of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 and the control of the air volume of at least one of the supply air fan 2 and the exhaust fan 3.
- the outlet temperature of the product air PA in 11 is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- the above-described temperature control can be performed manually with a setting switch described later, or can be automatically adjusted according to the temperature using the temperature sensor 17 or the like.
- the indoor temperature can be lowered by using the ventilator 1A in summer. Therefore, the temperature of the return air RA is also low. As explained in Fig. 5, when the working air WA input temperature is low, the outlet temperature of the product air PA decreases. Therefore, the return air RA is used as the working air WA, so that the outlet of the product air PA can be efficiently used. Reduce the temperature and control the supply air temperature Ability to do S.
- the ventilator 1 A has a function of performing cooling while performing ventilation. Will have.
- the ventilation device 1A of this example has a function of performing cooling while performing ventilation, it is possible to adjust the flow rate of the return air RA and the flow rate of the supply air SA without providing another ventilation device. It can be used as a 24-hour ventilator because it can change the air in the room at a specified time. For this reason, in the ventilator 1A, the temperature is controlled by the flow rate of the working air WA and the flow rate of the product air PA. Therefore, the ventilation operation and cooling are performed so that a desired cooling temperature can be obtained and a predetermined ventilation volume can be secured. Control that links the operations is performed.
- the 24-hour ventilation function is a function for continuous ventilation intermittently or continuously so as to satisfy a predetermined number of ventilations (for example, 0.5 times / hour) of the ventilation target area in the building. This may satisfy the predetermined number of ventilations with only the ventilation device 1, or may satisfy the predetermined number of ventilations by combining the ventilation amounts of other ventilation devices. Further, in order to reduce the predetermined ventilation frequency in winter, the 24-hour ventilation air volume may be reduced by detecting the switch and temperature of the operating means and switching them manually or automatically.
- FIG. 8 is a configuration diagram showing an example of a ventilation device 1B according to the second embodiment.
- the ventilation device 1B of the second embodiment uses outside air OA as the working air WA of the indirect vaporization element 11 constituting the indirect vaporization cooling unit 4.
- the same components as those in the ventilation device 1A of the first embodiment will be described with the same numbers.
- the ventilator 1B includes an air supply passage 9B that communicates with the air supply outlet 6 from the outside air inlet 5 through the air supply fan 2 and the product air passage l ib of the indirect vaporization element 11.
- the ventilator 1B branches off from the air supply fan 2 on the downstream side of the air supply passage 9B, so that indirect vaporization
- the first exhaust passage 10B that communicates with the exhaust air outlet 8 through the working air passage 11a and the exhaust fan 3 of the rement 11 and the exhaust air outlet 3 through the return air suction port 7 communicates with the exhaust air outlet 8.
- the second exhaust flow path 10C is provided. A portion indicated by a broken line of the second exhaust passage 10C is formed, for example, along the side wall of the case so as to be independent of the air supply passage 9B.
- the supply air flow path 9B includes a supply air flow rate adjustment damper 14 on the downstream side of the branch position with the first exhaust flow path 10B, for example, on the upstream side of the indirect vaporization cooling unit 4.
- the first exhaust channel 1
- 0B is provided with an exhaust flow rate adjustment damper 15 on the downstream side of the branch position with the air supply passage 9B, for example, on the upstream side of the indirect evaporative cooling unit 4.
- the air supply flow path 9B includes an air purifying filter 16 on the upstream side of a branch position with the first exhaust flow path 10B, for example. Furthermore, the air supply passage 9B includes a temperature sensor 17 at the air supply outlet 6.
- the ventilation device 1B When the air supply fan 2 is driven, the ventilation device 1B generates a flow of directional air to the air supply outlet 6 in the air supply passage 9B. As a result, outside air 0A is sucked in from the outside air suction port 5, passes through the product air flow path l ib of the indirect vaporization element 11, and is supplied indoors as the supply air SA from the supply air outlet 6.
- the outside air OA becomes the product air PA and the working air WA.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the temperature of the outside air 0A that has passed through does not change and the temperature drops.
- the outside temperature OA that has passed through the product air flow path l ib of the indirect vaporization element 11 is blown out as the supply air SA from the supply air outlet 6 so that the indoor temperature can be lowered.
- the product air PA passing through the product air flow path l ib of the indirect vaporization element 11 is determined by the opening of the supply air flow rate adjusting dan 14. The flow rate is adjusted. Further, the flow rate of the working air WA passing through the working air flow path 11a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- either or both of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 are operated to adjust the flow rate of the product air PA, the flow rate of the working air WA, or the flow rate of both.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled.
- the supply air temperature from the supply air outlet 6 is controlled.
- the flow rate of the product air PA can be adjusted by changing the rotation speed of the supply fan 2, and similarly, the flow volume can be controlled by changing the rotation speed of the exhaust fan 3.
- the flow rate of working air WA is adjustable.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled by controlling either the power of the supply fan 2 and the exhaust fan 3 or the air volume of both the supply fan 2 and the exhaust fan 3.
- the supply air temperature from the supply air outlet 6 is controlled.
- the opening degree of at least one of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 Control and control of air flow of at least one of air supply fan 2 and exhaust fan 3
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- the ventilator 1B has a function of exhausting the return air RA to the outside, so that the outside air can be cooled and taken in while the indoor air is exhausted to the outside. It will have the function of cooling.
- FIG. 9 is a configuration diagram illustrating an example of a ventilation device 1C according to the third embodiment.
- the ventilator 1C of the third embodiment includes an air supply passage that bypasses the indirect evaporative cooling unit 4.
- the same components as those in the ventilator 1A of the first embodiment will be described with the same numbers.
- the ventilator 1C includes an air supply passage 9C that communicates from the outside air intake port 5 through the air supply fan 2 and the product air passage l ib of the indirect vaporization element 11 to the air supply outlet 6. Exhaust flow path 1
- the OA has the same configuration as the ventilator 1A of the first embodiment.
- the ventilator 1C branches from the air supply passage 9C upstream of the indirect vaporization cooling unit 4 and bypasses the indirect vaporization cooling unit 4 to communicate with the air supply outlet 6 10
- the nopass flow path 10D includes a supply air flow rate adjusting damper 18.
- the supply air flow adjusting damper 18 constitutes a flow control means, and includes a damper that adjusts the air flow rate by opening and closing and a motor that drives the damper.
- the opening of the supply air flow adjusting damper 18 By adjusting the opening of the supply air flow adjusting damper 18, The flow rate of air flowing through path 10D is adjusted. As a result, the flow rate of air supplied to the supply air outlet 6 while bypassing the indirect vaporization cooling unit 4 is adjusted.
- the air supply flow path 9C is, for example, air cleaner upstream from the branch position with the bypass flow path 10D.
- a purification filter 16 is provided.
- the water supply valve 12b of the water supply / drainage device 12 is arranged below the indirect evaporative cooling unit 4.
- the indirect vaporizing element 11 can be supplied with water stored in the drain pan 13 to supply water.
- the ventilator 1C when the air supply fan 2 is driven, a flow of directional air to the air supply outlet 6 is generated in the air supply passage 9C. As a result, the outside air OA is sucked from the outside air suction port 5, passes through the product air flow path l ib of the indirect vaporization element 11, and is supplied to the room as the supply air SA from the supply air outlet 6.
- the outside air OA becomes the product air PA
- the return air RA becomes the boiling air WA.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air ⁇ A that passed through, the humidity (absolute humidity) does not change and the temperature drops.
- the outside temperature 0A that has passed through the product air flow path l ib of the indirect vaporization element 11 is blown out as the supply air SA from the supply air outlet 6, whereby the temperature in the room can be lowered.
- the flow rate of the air flowing through the bypass passage 10D is adjusted by adjusting the opening degree of the supply air flow rate adjustment damper 18.
- ventilator 1C can cool and take in outside air while venting indoor air to the outside.
- Ventilator 1C is a device that cools air while ventilating. Will have the ability.
- FIG. 10A is a configuration diagram illustrating an example of a ventilation device 1D according to the fourth embodiment.
- the ventilator 1D of the fourth embodiment includes a heat exchange unit 31 in addition to the air supply fan 2, the exhaust fan 3, and the indirect evaporative cooling unit 4.
- the same components as those of the ventilator 1A of the first embodiment will be described with the same numbers.
- the heat exchange unit 31 includes a heat exchange element 32 and a filter (not shown).
- the heat exchange element 32 includes a heat exchange element material in which the first flow path 32a is formed and a heat exchange element material in which the second flow path 32b is formed, and the first flow path 32a and the second flow path 32b. Is a cross-flow heat exchanger that is stacked in a direction perpendicular to each other. The first channel 32a and the second channel 32b are cut off by a partition (not shown), and sensible heat exchange is performed between the air supplied to the first channel 32a and the second channel 32b.
- the air supply passage 9D is an indirect vaporizer that constitutes the air supply fan 2, the first flow passage 32a of the heat exchange element 32 constituting the heat exchange unit 31 and the indirect vaporization cooling unit 4 from the outside air suction port 5. It passes through the product air flow path l ib of Rement 11 and communicates with the air supply outlet 6.
- the first exhaust flow path 10E communicates from the return air suction port 7 to the exhaust air outlet 8 through the working air flow path 11a of the indirect vaporization element 11 and the exhaust fan 3.
- the second exhaust passage 1 OF passes from the return air inlet 7 through the second passage 32b of the heat exchange element 32 and the exhaust fan 3. To the exhaust outlet 8.
- the air supply flow path 9D includes, for example, an air supply flow rate adjustment damper 14 on the upstream side of the heat exchange unit 31.
- an air supply flow rate adjustment damper 14 By adjusting the opening degree of the supply air flow adjustment damper 14, the flow rate of the air flowing through the supply air passage 9D is adjusted. Thereby, the flow rate of the product air PA flowing through the product air flow path l ib of the indirect vaporization element 11 is adjusted.
- the first exhaust flow path 10E includes an exhaust flow rate adjustment damper 15 on the upstream side of the indirect evaporative cooling unit 4, for example.
- an exhaust flow rate adjustment damper 15 By adjusting the opening of the exhaust flow rate adjustment damper 15, the flow rate of the air flowing through the first exhaust flow channel 10E is adjusted.
- the flow rate of the working air WA flowing Wa King Air passage 11 a of the indirect vaporization element 11 is adjusted.
- the air supply passage 9D includes an air purifying filter 16 on the upstream side of the heat exchange unit 31, for example. By disposing the air purifying filter 16 on the upstream side of the heat exchange unit 31, dust and the like can be prevented from entering the heat exchange element 32 and the indirect vaporization element 11.
- the supply air flow path 9D is provided with a temperature sensor 17 at the supply air outlet 6 so that the supply air temperature is detected.
- the ventilation device 1D When the air supply fan 2 is driven, the ventilation device 1D generates a flow of directional air to the air supply outlet 6 in the air supply passage 9D. As a result, outside air 0A is sucked from the outside air inlet 5 and passes through the air purification filter 16, the first flow path 32a of the heat exchange element 32, and the product air flow path l ib of the indirect vaporization element 11 to supply air. It is supplied indoors as air supply SA from the air outlet 6.
- heat exchange element 32 heat exchange is performed between the outside air OA passing through the first flow path 32a and the return air RA passing through the second flow path 32b.
- the ventilator 1D in summer the indoor temperature is lowered, and the temperature of the return air RA is lower than the temperature of the outside air OA.
- the temperature of the outside air 0A that has passed through the first flow path 32a of the heat exchange element 32 decreases, and the temperature of the return air RA that has passed through the second flow path 32b increases.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air that has passed through OA drops without changing the humidity (absolute humidity).
- the temperature of the outside air OA passing through the product air flow path l ib of the indirect vaporization element 11 is lowered by the heat exchange unit 31 in the previous stage.
- the heat exchange unit 31 is placed in front of the indirect evaporative cooling unit 4 to By reducing the input temperature of the air PA, the outlet temperature of the product air PA can be lowered efficiently and the supply air temperature can be controlled.
- the return air RA that has passed through the working air flow path 11a of the indirect vaporization element 11 becomes high-humidity air, and is discharged from the exhaust outlet 8 as exhaust EA. Further, since the temperature of the return air RA passing through the second flow path 32b of the heat exchange element 32 rises, it is discharged from the exhaust outlet 8 as exhaust EA.
- the flow rate of the product air PA passing through the product air flow path l ib of the indirect vaporization element 11 is adjusted by the opening degree of the supply air flow rate adjustment damper 14. Also exhaust The flow rate of the working air WA passing through the working air flow path 11 a of the indirect vaporization element 11 is adjusted by the opening degree of the flow rate adjusting damper 15.
- the supply air temperature can be controlled by adjusting the flow rate of either the product air PA or the working air WA, either the supply air flow adjustment damper 14 or the exhaust flow adjustment damper 15 is provided. It may be configured.
- the flow rate of the product air PA can be adjusted by changing the rotation speed of the supply fan 2, and similarly, the flow volume can be controlled by changing the rotation speed of the exhaust fan 3.
- the flow rate of working air WA is adjustable.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled by controlling either the power of the supply fan 2 and the exhaust fan 3 or the air volume of both the supply fan 2 and the exhaust fan 3
- the supply air temperature from the supply air outlet 6 is controlled.
- control of the opening degree of at least one of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 and the control of the air volume of at least one of the supply air fan 2 and the exhaust fan 3 may be combined.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- FIG. 10B shows a comparative example of a configuration including the heat exchange unit 31 and a configuration not including the heat exchange unit 31.
- the outside air at 40 ° C.
- the power shown in the graph shown in Fig. 5 indicates that a supply air SA of 21 ° C can be generated.
- 0.48 kg / hr of water is supplied. Consume.
- the heat exchanging element 32 constituting the heat exchanging unit 31 generally has a heat exchanging rate of about 70%, and heat is exchanged between 40 ° C outside air OA and 25 ° C return air RA (indoor air). Then, 29.5 ° C air can be supplied to the indirect evaporative cooling unit 4 with a heat exchange efficiency of 70%.
- the ventilator 1D includes the heat exchange unit 31, and by using the return air RA in the heat exchange unit 31 and the indirect evaporative cooling unit 4, the cooling capacity is improved and water consumption is increased. Can be suppressed.
- the return air RA it is possible to cool and take in outside air while exhausting indoor air to the outdoors, and the ventilator 1D has a function of performing cooling while performing ventilation.
- FIG. 11 is a configuration diagram illustrating an example of a ventilation device 1E according to the fifth embodiment.
- the ventilator 1E of the fifth embodiment is the same as the ventilator 1E having the heat exchange unit 31.
- the outside air OA is used as the working air WA of the indirect vaporization element 11 constituting the indirect vaporization cooling unit 4. Is to use.
- the same components as those of the ventilator 1D of the fourth embodiment will be described with the same numbers.
- the ventilation device 1E passes from the outside air inlet 5 to the air supply fan 2, the first flow path 32a of the heat exchange element 32, and the product air flow path l ib of the indirect vaporization element 11 to the supply air outlet 6 Provided with a supply air flow path 9E.
- the ventilator 1E branches off from the heat exchange unit 31 with the air supply passage 9E, and passes through the working air passage 1 la of the indirect vaporization element 11 and the exhaust fan 3, and communicates with the exhaust outlet 8
- the first exhaust flow path 10G and the second exhaust flow path 10H communicated from the return air suction port 7 to the exhaust air outlet 8 through the second flow path 32b of the heat exchange element 32 and the exhaust fan 3.
- the air supply flow path 9E includes an air supply flow rate adjustment damper 14 on the upstream side of the heat exchange unit 31, for example.
- the first exhaust flow path 10G includes an exhaust flow rate adjustment damper 15 on the downstream side of the branch position with the air supply flow path 9E, for example, on the upstream side of the indirect vaporization cooling unit 4.
- the air supply flow path 9E includes an air purifying filter 16 on the upstream side of the heat exchange unit 31, for example. Further, the air supply passage 9E includes a temperature sensor 17 at the air supply outlet 6.
- the ventilation device 1E When the air supply fan 2 is driven, the ventilation device 1E generates a flow of directional air to the air supply outlet 6 in the air supply passage 9E. As a result, outside air 0A is sucked from the outside air inlet 5 and passes through the first channel 32a of the heat exchange element 32 and the product air channel l ib of the indirect vaporizing element 11, and is supplied from the inlet port 6 Supplied indoors as SA.
- the outside air OA becomes the product air PA and the working air WA.
- the heat exchange element 32 heat is exchanged between the outside air OA passing through the first flow path 32a and the return air RA passing through the second flow path 32b.
- the ventilator 1E in summer, the indoor temperature is lowered, and the temperature of the return air RA is lower than the temperature of the outside air OA.
- the temperature of the outside air OA that has passed through the first flow path 32a of the heat exchange element 32 decreases, and the temperature of the return air RA that has passed through the second flow path 32b increases.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air that has passed through OA drops without changing the humidity (absolute humidity).
- the outside air OA that has passed through the product air flow path l ib of the indirect vaporization element 11 is blown out as the supply air SA from the supply air outlet 6, whereby the temperature in the room can be lowered.
- the temperature of the outside air OA passing through the product air flow path l ib of the indirect vaporization element 11 is lowered by the heat exchange unit 31 in the previous stage.
- the heat exchange unit 31 is placed in front of the indirect evaporative cooling unit 4 to By reducing the input temperature of the air PA, the outlet temperature of the product air PA can be lowered efficiently and the supply air temperature can be controlled.
- the air outside the product passing through the product air flow path l ib of the indirect vaporization element 11 is determined by the opening degree of the supply air flow rate adjustment dan 14
- the PA flow is adjusted.
- the flow rate of the working air WA passing through the working air flow path 11a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- either or both of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 are operated to adjust the flow rate of the product air PA, the flow rate of the working air WA, or the flow rate of both.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled.
- the supply air temperature from the supply air outlet 6 is controlled.
- the flow rate of the product air PA can be adjusted by changing the rotation speed of the supply fan 2, and similarly, the flow volume can be controlled by changing the rotation speed of the exhaust fan 3.
- the flow rate of working air WA is adjustable.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled by controlling the power of the supply fan 2 and the exhaust fan 3 or the air volume of both the supply fan 2 and the exhaust fan 3.
- the supply air temperature from the supply air outlet 6 is controlled.
- an indirect vaporization element can be obtained by combining the control of the opening degree of at least one of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 and the control of the air volume of at least one of the supply air fan 2 and the exhaust fan 3.
- the outlet temperature of the product air PA in 11 is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- the ventilator 1E includes the heat exchange unit 31, uses the return air RA in the heat exchange unit 31, and uses the 0A cooled in the heat exchange unit 31 in the indirect vaporization cooling unit 4, thereby cooling the air. Rejection ability is improved.
- return air RA the outside air can be cooled and taken in while the indoor air is exhausted to the outside, and the ventilator 1E provides cooling while ventilating. Will have the function to do.
- FIG. 12 is a configuration diagram illustrating an example of a ventilation device 1F according to the sixth embodiment.
- the ventilator IF of the sixth embodiment includes an air supply passage that bypasses the indirect evaporative cooling unit 4 in the ventilator 1F including the heat exchange unit 31. Note that in the ventilation device 1F according to the sixth embodiment, the same components as those in the ventilation device 1D according to the fourth embodiment are denoted by the same reference numerals.
- the ventilation device 1F passes through the outside air inlet 5 through the air supply fan 2, the first flow path 3 2a of the heat exchange element 32, and the product air flow path l ib of the indirect vaporization element 11, and the air supply outlet 6 Air supply passage 9F communicating with The first exhaust flow path 10E and the second exhaust flow path 10F have the same configuration as the ventilation device 1D of the fourth embodiment.
- the ventilator 1F includes a bypass channel 101 that branches from the air supply channel 9F upstream of the indirect evaporative cooling unit 4 and communicates with the air supply outlet 6 by bypassing the indirect evaporative cooling unit 4 .
- the bypass flow path 101 includes an air supply flow rate adjustment damper 18.
- the flow rate of the air flowing through the bypass passage 101 is adjusted by adjusting the opening of the supply air flow adjustment damper 18. As a result, the flow rate of the air supplied to the supply air outlet 6 bypassing the indirect evaporative cooling unit 4 is adjusted.
- the air supply passage 9F includes an air purification filter 16 on the upstream side of the heat exchange unit 31, for example.
- the ventilator 1F has an air supply outlet 6 in the air supply passage 9F. Toward force An air flow is generated. As a result, outside air 0A is sucked from the outside air inlet 5 and passes through the first channel 32a of the heat exchange element 32 and the product air channel l ib of the indirect vaporizing element 11, and is supplied from the inlet port 6 Supplied indoors as SA.
- the outside air OA becomes the product air PA
- the return air RA becomes the boiling air WA.
- heat exchange element 32 heat is exchanged between the outside air OA passing through the first flow path 32a and the return air RA passing through the second flow path 32b.
- the ventilator 1F in summer the indoor temperature is lowered, and the temperature of the return air RA is lower than the temperature of the outside air OA.
- the temperature of the outside air OA that has passed through the first flow path 32a of the heat exchange element 32 decreases, and the temperature of the return air RA that has passed through the second flow path 32b increases.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air ⁇ A that passed through, the humidity (absolute humidity) does not change and the temperature drops.
- the temperature of the outside air OA passing through the product air flow path l ib of the indirect vaporization element 11 is lowered by the heat exchange unit 31 in the previous stage.
- the product air PA input temperature is low
- the product air PA outlet temperature decreases, so the heat exchange unit 31 is placed in front of the indirect evaporative cooling unit 4 to By reducing the input temperature of the air PA, the outlet temperature of the product air PA can be lowered efficiently and the supply air temperature can be controlled.
- the working air WA input temperature is low, the outlet temperature of the product air PA decreases, so the return air RA can be used as the working air WA, so that the product air PA The outlet temperature can be lowered to lower the supply air temperature.
- the flow rate of the air flowing through the bypass passage 101 is adjusted by adjusting the opening degree of the supply air flow adjustment damper 18.
- the air cooled through the indirect evaporative cooling unit 4 and the indirect evaporative cooling unit 4 by adjusting the flow rate of the air flowing through the bypass passage 101 by operating the supply air flow adjusting damper 18 and the indirect evaporative cooling unit 4
- the mixing ratio of uncooled air is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- the ventilation device 1F includes the heat exchange unit 31, and the cooling capacity is improved by using the return air RA in the heat exchange unit 31 and the indirect evaporative cooling unit 4.
- the return air RA it is possible to cool and take in outside air while exhausting indoor air to the outdoors, and the ventilator 1F has a function of cooling while ventilating.
- the ventilation device 1F controls the temperature with the flow rate of the boiling air WA and the flow rate of the product air PA, so that the desired cooling temperature can be obtained and the ventilation rate can be ensured. Control that links the cooling operation is performed.
- FIG. 13A is a configuration diagram showing an example of a ventilation device 1G according to the seventh embodiment.
- the ventilation device 1G of the seventh embodiment includes a dehumidifying unit 33 in addition to the air supply fan 2, the exhaust fan 3, and the indirect evaporative cooling unit 4. Note that in the ventilator 1G of the seventh embodiment, the same components as those of the ventilator 1A of the first embodiment will be described with the same numbers.
- the dehumidification unit 33 includes a dehumidification channel 35a and a regeneration channel 35b partitioned by a partition wall 34, a dehumidification rotor 36 that is rotationally driven across the dehumidification channel 35a and the regeneration channel 35b, and a regeneration channel 35b.
- the A heater 37 for heating the air passing therethrough and a rotation driving device (not shown) for rotating the dehumidification rotor 36 are provided.
- the dehumidification rotor 36 is configured in a disc shape so as to form a flow path communicating in the member force axial direction of a honeycomb structure having an adsorbent such as silica gel.
- the dehumidifying rotor 36 is disposed across the dehumidifying channel 35a and the regeneration channel 35b, and the air passing through the dehumidifying channel 35a and the air passing through the regeneration channel 35b pass through the dehumidifying rotor 36, respectively.
- the dehumidification channel 35a and the regeneration channel 35b are partitioned by the partition wall 34, and the air passing through the dehumidification channel 35a and the air passing through the regeneration channel 35b are not mixed.
- the dehumidifying unit 33 rotates the dehumidifying rotor 36 to dehumidify the air passing through the dehumidifying channel 35a while repeating the adsorption and regeneration of moisture.
- the air supply passage 9G communicates from the outside air inlet 5 to the air supply fan 2, the dehumidification passage 35a of the dehumidification unit 33, and the product air passage l ib of the indirect vaporization element 11 to the air supply outlet 6 To do.
- the first exhaust passage 10J communicates from the return air suction port 7 to the exhaust outlet 8 through the working air passage 11a of the indirect vaporization element 11 and the exhaust fan 3.
- the second exhaust channel 1
- OK communicates from the return air suction port 7 to the exhaust air outlet 8 through the regeneration flow path 35b of the dehumidifying unit 33 and the exhaust fan 3.
- the air supply passage 9G includes an air supply flow rate adjustment damper 14 on the upstream side of the dehumidifying unit 33, for example.
- the opening degree of the supply air flow adjustment damper 14 By adjusting the opening degree of the supply air flow adjustment damper 14, the flow rate of the air flowing through the supply air passage 9G is adjusted.
- the flow rate of the product air PA flowing through the product air flow path l ib of the indirect vaporization element 11 is adjusted.
- the first exhaust passage 10J includes an exhaust flow adjustment damper 15 on the upstream side of the indirect evaporative cooling unit 4, for example.
- an exhaust flow adjustment damper 15 By adjusting the opening of the exhaust flow adjustment damper 15, the first exhaust flow The flow rate of air flowing through road 10J is adjusted. As a result, the flow rate of the working air WA flowing through the burning air flow path 11a of the indirect vaporization element 11 is adjusted.
- the air supply passage 9G includes an air purifying filter 16 on the upstream side of the dehumidifying unit 33, for example.
- the supply air flow path 9G includes a temperature sensor 17 at the supply air outlet 6 so that the supply air temperature is detected.
- the ventilation device 1G When the air supply fan 2 is driven, the ventilation device 1G generates a flow of directional air to the air supply outlet 6 in the air supply passage 9G. As a result, the outside air OA is sucked in from the outside air inlet port 5, passes through the air purification filter 16, the dehumidifying channel 35 a of the dehumidifying unit 33 and the product air channel l ib of the indirect vaporizing element 11, and is supplied from the air supply outlet 6. Qi is supplied indoors as SA.
- the outside air 0A becomes the product air PA and the return air RA becomes the boiling air WA.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air ⁇ A that passed through, the humidity (absolute humidity) does not change and the temperature drops.
- the outside temperature 0A that has passed through the product air flow path l ib of the indirect vaporization element 11 is blown out as the supply air SA from the supply air outlet 6, whereby the temperature in the room can be lowered.
- the humidity of the outside air OA passing through the product air flow path l ib of the indirect vaporization element 11 is lowered by the dehumidifying unit 33 in the preceding stage.
- the dehumidifying unit 33 is arranged in front of the indirect evaporative cooling unit 4 to By reducing the PA input humidity, the product air PA outlet temperature can be effectively lowered to control the supply air temperature.
- the indoor temperature can be lowered by using the ventilation device 1G in summer. Therefore, the temperature of the return air RA is also low.
- the return air RA is used as the working air WA, so that the outlet of the product air PA can be efficiently used. It is possible to control the supply air temperature by lowering the temperature.
- the flow rate of the product air PA passing through the product air flow path ib of the indirect vaporization element 11 is adjusted by the opening degree of the supply air flow rate adjustment damper 14.
- the flow rate of the working air WA passing through the working air flow path 11a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- the supply air temperature can be controlled by adjusting the flow rate of either product air PA or working air WA, either the supply air flow adjustment damper 14 or the exhaust flow adjustment damper 15 is provided. It may be configured.
- the flow rate of the product air PA can be adjusted by changing the rotation speed of the air supply fan 2, and similarly, the air flow can be controlled by changing the rotation speed of the exhaust fan 3.
- the flow rate of working air WA is adjustable.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled by controlling the power of the air supply fan 2 and the exhaust fan 3 or the air volume of both the air supply fan 2 and the exhaust fan 3.
- the supply air temperature from the supply air outlet 6 is controlled.
- the indirect vaporization element can be obtained by combining the control of the opening degree of at least one of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 and the control of the air volume of at least one of the supply air fan 2 and the exhaust fan 3.
- the outlet temperature of the product air PA in 11 is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- Fig. 13B The effect of the configuration provided with the dehumidifying unit 33 is shown in Fig. 13B.
- the dehumidification channel of the outside air QA force dehumidifying unit 33 at a temperature of 30 ° C, an absolute humidity of 10gZkg (DA), and a relative humidity of about 40% RH.
- the input air becomes a temperature of 40 ° C, an absolute humidity of 5gZkg (DA), and a relative humidity of about 10% RH.
- the temperature of the input air rises because in the dehumidifying unit 33, the dehumidifying rotor 36 is heated by the heater 37 on the regeneration channel 35b side.
- the ventilation device 1G includes the dehumidifying unit 33, and the cooling capacity is improved by using the return air RA in the indirect evaporative cooling unit 4.
- the return air RA it is possible to cool and take in the outside air while exhausting the indoor air to the outdoors, and the ventilator 1G has a function of cooling while performing ventilation.
- FIG. 14 is a configuration diagram illustrating an example of a ventilation device 1H according to the eighth embodiment.
- the ventilator 1H of the eighth embodiment in the ventilator 1H having the dehumidifying unit 33, the outside air OA is used as the working air WA of the indirect vaporization element 11 constituting the indirect vaporization cooling unit 4.
- the same components as those in the ventilation device 1G according to the seventh embodiment are denoted by the same reference numerals.
- the ventilator 1H communicates from the outside air inlet 5 through the air supply fan 2, the dehumidification channel 35a of the dehumidification unit 33, and the product air channel l ib of the indirect vaporization element 11 to the supply air outlet 6 Provided with air supply channel 9H.
- the ventilator 1H branches from the air supply passage 9H downstream from the dehumidification unit 33, and communicates with the exhaust outlet 8 through the working air passage 11a of the indirect vaporization element 11 and the exhaust fan 3.
- a first exhaust passage 10L and a second exhaust passage 10M communicating from the return air suction port 7 through the regeneration passage 35b of the dehumidifying unit 33 and the exhaust fan 3 to the exhaust outlet 8 are provided.
- the air supply flow path 9H includes an air supply flow rate adjustment damper 14 on the upstream side of the dehumidifying unit 33, for example.
- the first exhaust flow path 10L includes an exhaust flow rate adjustment damper 15 on the downstream side of the branch position with the air supply flow path 9H, for example, on the upstream side of the indirect vaporization cooling unit 4.
- the opening of the supply air flow adjustment damper 14 By adjusting the opening of the supply air flow adjustment damper 14, the flow rate of the air flowing through the supply air passage 9H is adjusted. As a result, the flow rate of the product air PA flowing through the product air flow path l ib of the indirect vaporization element 11 is adjusted. [0240] Further, by adjusting the opening degree of the exhaust flow rate adjustment damper 15, the flow rate of the air flowing through the first exhaust flow path 10L is adjusted. As a result, the flow rate of the working air WA flowing through the working air flow path 1 la of the indirect vaporization element 11 is adjusted.
- the air supply passage 9H includes an air purifying filter 16 on the upstream side of the dehumidifying unit 33, for example. Further, the air supply passage 9H includes a temperature sensor 17 at the air supply outlet 6.
- the ventilator 1H of the eighth embodiment will be described with reference to FIG.
- the ventilation device 1H when the air supply fan 2 is driven, a flow of directional air to the air supply outlet 6 is generated in the air supply passage 9H.
- the outside air OA is sucked in from the outside air inlet port 5, passes through the dehumidifying channel 35a of the dehumidifying unit 33 and the product air channel l ib of the indirect vaporizing element 11, and is supplied to the room as the supplied air SA from the inlet port 6 Is done.
- the outside air 0A becomes the product air PA and the working air WA.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air ⁇ A that passed through, the humidity (absolute humidity) does not change and the temperature drops.
- the outside temperature 0A that has passed through the product air flow path l ib of the indirect vaporization element 11 is blown out as the supply air SA from the supply air outlet 6, whereby the temperature in the room can be lowered.
- both the product air flow path l ib and the working air flow path 1 la of the indirect vaporization element 11 are supplied with external air 0A, and the external air 0A is reduced in humidity by the dehumidifying unit 33 in the previous stage. Yes.
- the product air PA and the working air If the input humidity of WA is low, the outlet temperature of the product air PA will drop, so the dehumidification unit 33 is placed in front of the indirect evaporative cooling unit 4 to reduce the input humidity of the product air PA and working air WA.
- the supply air temperature can be controlled by efficiently reducing the outlet temperature of the product air PA.
- the product air PA passing through the product air flow path l ib of the indirect vaporization element 11 is determined by the opening degree of the supply air flow rate adjusting dan 14. The flow rate is adjusted. Further, the flow rate of the working air WA passing through the working air flow path 11a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- either or both of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 are operated to adjust the flow rate of the product air PA, the flow rate of the working air WA, or the flow rate of both.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled.
- the supply air temperature from the supply air outlet 6 is controlled.
- the flow rate of the product air PA can be adjusted by changing the rotation speed of the supply fan 2, and similarly, the flow volume can be controlled by changing the rotation speed of the exhaust fan 3.
- the flow rate of working air WA is adjustable.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled by controlling the power of the supply fan 2 and the exhaust fan 3 or the air volume of both the supply fan 2 and the exhaust fan 3.
- the supply air temperature from the supply air outlet 6 is controlled.
- the indirect vaporization element can also be obtained by combining the control of the opening degree of at least one of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 and the control of the air volume of at least one of the supply air fan 2 and the exhaust fan 3.
- the outlet temperature of the product air PA in 11 is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- the ventilator 1H includes a dehumidifying unit 33, and removes the outside air OA dehumidified by the dehumidifying unit 33. Cooling capacity is improved by using the indirect evaporative cooling unit 4. In addition, by using the return air RA as regeneration air in the dehumidifying unit 33, it is possible to cool and take in outside air while exhausting indoor air to the outside, and the ventilation device 1H performs cooling while performing ventilation. It will have a function.
- FIG. 15 is a configuration diagram showing an example of a ventilation device II according to the ninth embodiment.
- the ventilator II of the ninth embodiment is a ventilator II provided with a dehumidifying unit 33, and includes an air supply flow path that bypasses the indirect evaporative cooling unit 4. Note that in the ventilator II of the ninth embodiment, the same components as those of the ventilator 1G of the seventh embodiment are denoted by the same reference numerals.
- the ventilator II communicates from the outside air intake port 5 to the supply air outlet 6 through the supply air fan 2, the dehumidification channel 35a of the dehumidification unit 33, and the product air channel l ib of the indirect vaporization element 11.
- An air supply passage 91 is provided.
- the first exhaust flow path 10J and the second exhaust flow path 10K have the same configuration as the ventilation device 1G of the seventh embodiment.
- the ventilator II includes a bypass passage 10N that branches from the air supply passage 91 upstream of the indirect vaporization cooling unit 4 and communicates with the air supply outlet 6 by bypassing the indirect vaporization cooling unit 4 .
- the no-pass flow path 10N includes a supply air flow rate adjusting damper 18.
- a supply air flow rate adjusting damper 18 By adjusting the opening of the supply air flow adjustment damper 18, the flow rate of the air flowing through the bypass flow path 10N is adjusted. As a result, the flow rate of air supplied to the supply air outlet 6 while bypassing the indirect vaporization cooling unit 4 is adjusted.
- the air supply passage 91 includes the air purifying filter 16 on the upstream side of the dehumidifying unit 33, for example.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air that has passed through OA drops without changing the humidity (absolute humidity).
- the humidity of the outside air OA passing through the product air flow path ib of the indirect vaporization element 11 is lowered by the dehumidifying unit 33 in the preceding stage.
- the dehumidifying unit 33 is arranged in front of the indirect evaporative cooling unit 4 to By reducing the PA input humidity, the product air PA outlet temperature can be effectively lowered to control the supply air temperature.
- the indoor temperature can be lowered by using the ventilator II in summer. Therefore, the temperature of the return air RA is also low.
- the return air RA can be used as the working air WA to effectively lower the outlet temperature of the product air PA and control the supply air temperature S.
- the bypass flow path is adjusted by adjusting the opening of the supply air flow adjustment damper 18.
- the flow rate of air flowing through 10N is adjusted.
- the mixture ratio of uncooled air is controlled by bypassing the air supply, and the supply air temperature from the supply air outlet 6 is controlled.
- the ventilation device II includes the dehumidifying unit 33, and the cooling capacity is improved by using the return air RA in the indirect evaporative cooling unit 4.
- the return air RA it is possible to cool and take in outside air while exhausting indoor air to the outside, and the ventilator II has a function of cooling while ventilating.
- FIG. 16 is a configuration diagram illustrating an example of a ventilator 1J according to the tenth embodiment.
- the ventilator 1J of the tenth embodiment includes a heat exchange unit 31 and a dehumidifying unit 33 in addition to the air supply fan 2, the exhaust fan 3, and the indirect evaporative cooling unit 4.
- the same components as those in the ventilation device 1A according to the first embodiment are denoted by the same reference numerals.
- the air supply flow path 9J is supplied from the outside air inlet 5 to the air supply fan 2, the dehumidification flow path 35a of the dehumidification unit 33, the first flow path 32a of the heat exchange element 32, and the product air flow path of the indirect vaporization element 11. Go through ib and communicate with air supply outlet 6.
- the first exhaust passage 10P communicates from the return air suction port 7 to the exhaust air outlet 8 through the working air passage 11a of the indirect vaporization element 11 and the exhaust fan 3.
- the second exhaust flow path 10Q passes from the return air suction port 7 through the second flow path 32b of the heat exchange element 32, the regeneration flow path 35b of the dehumidifying unit 33 and the exhaust fan 3, and the exhaust air outlet 8 To communicate.
- the air supply flow path 9J includes an air supply flow rate adjustment damper 14 on the upstream side of the dehumidifying unit 33, for example.
- the opening degree of the supply air flow adjustment damper 14 By adjusting the opening degree of the supply air flow adjustment damper 14, the flow rate of the air flowing through the supply air passage 9J is adjusted.
- the flow rate of the product air PA flowing through the product air flow path l ib of the indirect vaporization element 11 is adjusted.
- the first exhaust flow path 10P includes an exhaust flow adjustment damper 15 on the upstream side of the indirect evaporative cooling unit 4, for example.
- an exhaust flow adjustment damper 15 By adjusting the opening of the exhaust flow adjustment damper 15, the flow rate of the air flowing through the first exhaust flow path 10P is adjusted.
- the flow rate of the working air WA flowing Wa King Air passage 11 a of the indirect vaporization element 11 is adjusted.
- the air supply passage 9J includes an air purifying filter 16 on the upstream side of the dehumidifying unit 33, for example. By disposing the air purifying filter 16 on the upstream side of the dehumidifying unit 33, dust and the like are prevented from entering the dehumidifying rotor 36, the heat exchange element 32 and the indirect vaporizing element 11.
- the supply air flow path 9J includes a temperature sensor 17 at the supply air outlet 6 to detect the supply air temperature.
- the ventilation device 1J When the air supply fan 2 is driven, the ventilation device 1J generates a flow of directional air to the air supply outlet 6 in the air supply passage 9J. As a result, outside air 0A is sucked from the outside air inlet 5, and the air purification filter 16, the dehumidifying channel 35a of the dehumidifying unit 33, the first channel 32a of the heat exchange element 32, and the product air channel of the indirect vaporizing element 11 are used. l It passes through ib and is supplied indoors as supply air SA from the supply air outlet 6.
- the outside air 0A becomes the product air PA
- the return air RA becomes the boiling air WA.
- the dehumidifying unit 33 the outside air OA passing through the dehumidifying channel 35a is dehumidified.
- heat exchange element 32 heat exchange is performed between the outside air OA passing through the first flow path 32a and the return air RA passing through the second flow path 32b.
- the ventilator 1J in the summer the indoor temperature is lowered, and the temperature of the return air RA is lower than the temperature of the outside air OA.
- the temperature of the return air RA passing through the second flow path 32b rises.
- the outside air OA dehumidified and heated by passing through the dehumidifying channel 35a of the dehumidifying unit 33 passes through the first channel 32a of the heat exchange element 32, so that the humidity does not change and is heated. The degree goes down.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air ⁇ A that passed through, the humidity (absolute humidity) does not change and the temperature drops.
- the humidity of the outside air OA passing through the product air flow path l ib of the indirect vaporization element 11 is lowered by the dehumidifying unit 33 in the previous stage. Further, the temperature is lowered by the heat exchange unit 31. As a result, as explained in Fig. 5 and Fig. 7, if the input humidity and input temperature of the product air PA are low, the outlet temperature of the product air PA will decrease, so indirect evaporative cooling.
- the dehumidifying unit 33 and the heat exchange unit 31 in front of the unit 4 and lowering the input humidity and input temperature of the product air PA, the outlet temperature of the product air PA can be lowered efficiently and the supply air temperature can be reduced. Can be controlled.
- the indoor temperature can be lowered by using the ventilator 1J in summer. Therefore, the temperature of the return air RA is also low.
- the return air RA is used as the working air WA, so that the outlet of the product air PA can be efficiently used. It is possible to control the supply air temperature by lowering the temperature.
- the flow rate of the product air PA passing through the product air flow path ib of the indirect vaporization element 11 is adjusted by the opening degree of the supply air flow rate adjustment damper 14.
- the flow rate of the working air WA passing through the working air flow path 11a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- the supply air temperature can be controlled by adjusting the flow rate of either product air PA or working air WA, supply air flow adjustment damper 14 and exhaust flow adjustment damper 15
- the structure provided with either one of these may be sufficient.
- the flow rate of the product air PA can be adjusted by changing the rotation speed of the supply fan 2, and similarly, the flow rate of the exhaust fan 3 can be controlled by changing the rotation speed of the exhaust fan 3.
- the flow rate of working air WA is adjustable.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled by controlling the power of the supply fan 2 and the exhaust fan 3, or the air volume of both the supply fan 2 and the exhaust fan 3.
- the supply air temperature from the supply air outlet 6 is controlled.
- the indirect vaporization element can also be obtained by combining the control of the opening degree of at least one of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 with the control of the air volume of at least one of the supply air fan 2 and the exhaust fan 3.
- the outlet temperature of the product air PA in 11 is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- the ventilator 1J includes a dehumidifying unit 33 and a heat exchange unit 31. Indirect evaporative cooling of the outside air OA dehumidified by the dehumidifying unit 33 and cooled by the heat exchange unit 4 and the cooled return air RA in the room Cooling capacity is improved by using unit 4. In addition, by using the return air RA, it is possible to cool and take in the outside air while exhausting the indoor air to the outdoors, and the ventilation device 1J has a function of cooling while performing ventilation.
- FIG. 17 is a configuration diagram illustrating an example of a ventilation device 1K according to the eleventh embodiment.
- the ventilation device 1K of the eleventh embodiment is a ventilation device including a dehumidifying unit 33 and a heat exchange unit 31.
- outside air 0A is used for the boiling air WA of the indirect vaporization element 11 constituting the indirect vaporization cooling unit 4.
- the same components as those in the ventilation device 1J according to the tenth embodiment will be described with the same reference numerals.
- the ventilator 1K has an air supply fan 2 through the outside air inlet 5, a dehumidification channel 35a of the dehumidification unit 33, a first flow path 32a of the heat exchange element 32, and a product air flow path of the indirect vaporization element 11 l ib And an air supply passage 9K that communicates with the air supply outlet 6.
- the ventilator 1K branches off from the heat exchange unit 31 with the air supply passage 9K, and passes through the working air passage 11a of the indirect vaporization element 11 and the exhaust fan 3, and communicates with the exhaust outlet 8
- the first exhaust flow path 10R and the return air inlet 7 communicated with the second flow path 32b of the heat exchange element 32, the regeneration flow path 35b of the dehumidifying unit 33, and the exhaust fan 3 to the exhaust outlet 8.
- a second exhaust channel 10S is provided.
- the air supply flow path 9K includes an air supply flow rate adjustment damper 14 on the upstream side of the dehumidifying unit 33, for example.
- the first exhaust flow path 10R includes an exhaust flow rate adjustment damper 15 on the downstream side of the branch position with the air supply flow path 9K, for example, on the upstream side of the indirect vaporization cooling unit 4.
- the air supply flow path 9K includes an air purifying filter 16 on the upstream side of the dehumidifying unit 33, for example. Further, the air supply passage 9K includes a temperature sensor 17 at the air supply outlet 6.
- the ventilation device 1K When the air supply fan 2 is driven, the ventilation device 1K generates a flow of directional air to the air supply outlet 6 in the air supply passage 9K. As a result, outside air 0A is sucked in from the outside air inlet 5, and the dehumidifying channel 35a of the dehumidifying unit 33, the first channel 32a of the heat exchange element 32, and the gap It passes through the product air flow path l ib of the aeration element 11 and is supplied to the room as supply air SA from the supply air outlet 6.
- the outside air OA becomes the product air PA and the working air WA.
- the dehumidifying unit 33 the outside air OA passing through the dehumidifying passage 35a is dehumidified.
- heat exchange element 32 heat exchange is performed between the outside air OA passing through the first flow path 32a and the return air RA passing through the second flow path 32b.
- the ventilation device 1K in the summer the indoor temperature is lowered, and the temperature of the return air RA is lower than the temperature of the outside air OA.
- the temperature of the return air RA passing through the second flow path 32b rises.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air ⁇ A that passed through, the humidity (absolute humidity) does not change and the temperature drops.
- the outside temperature 0A that has passed through the product air flow path l ib of the indirect vaporization element 11 is blown out from the supply air outlet 6 as the supply air SA, whereby the temperature in the room can be lowered.
- outside air 0A is supplied to both the product air flow path l ib and the working air flow path 1 la of the indirect vaporization element 11, and the outside air 0A is supplied to the dehumidifying unit 33 and the heat exchange unit 31 in the previous stage.
- the humidity and temperature are lowered.
- Unit 33 and heat exchange unit 31 are arranged to lower the input humidity and input temperature of product air PA and working air WA, thereby effectively reducing the outlet temperature of product air PA and increasing the supply air temperature. Can be controlled.
- the product air PA passing through the product air flow path l ib of the indirect vaporization element 11 is determined by the opening degree of the supply air flow adjustment dan 14. The flow rate is adjusted. Further, the flow rate of the working air WA passing through the working air flow path 11a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- either or both of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 are operated to adjust the flow rate of the product air PA, the flow rate of the working air WA, or both.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled.
- the supply air temperature from the supply air outlet 6 is controlled.
- the flow rate of the product air PA can be adjusted by changing the rotation speed of the supply fan 2, and similarly, the flow volume can be controlled by changing the rotation speed of the exhaust fan 3.
- the flow rate of working air WA is adjustable.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled by controlling the power of the supply fan 2 and the exhaust fan 3 or the air volume of both the supply fan 2 and the exhaust fan 3.
- the supply air temperature from the supply air outlet 6 is controlled.
- the opening degree of at least one of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 Control and the air flow control of at least one of the air supply fan 2 and the exhaust fan 3 are combined to control the outlet temperature of the product air PA in the indirect vaporization element 11, and the air supply temperature from the air supply outlet 6 is controlled. Is done.
- the ventilation device 1K includes a dehumidification unit 33 and a heat exchange unit 31, and uses the outside air 0A dehumidified by the dehumidification unit 33 and cooled by the heat exchange unit 4 in the indirect evaporative cooling unit 4, Cooling capacity is improved.
- the return air RA in the dehumidifying unit 33 and the heat exchange unit 31 the outside air can be cooled and taken in while the indoor air is exhausted to the outside, and the ventilation device 1K provides cooling while ventilating. Will have the function to do.
- FIG. 18 is a configuration diagram illustrating an example of a ventilation device 1L according to the twelfth embodiment.
- the ventilator 1L of the twelfth embodiment is provided with a supply air passage that bypasses the indirect evaporative cooling unit 4 in the ventilator 1L including the dehumidifying unit 33 and the heat exchange unit 31.
- the same components as those in the ventilation device 1J according to the tenth embodiment are denoted by the same reference numerals.
- the ventilator 1L is connected to the air supply fan 2 from the outside air inlet 5, the dehumidification flow path 35a of the dehumidification unit 33, the first flow path 32a of the heat exchange element 32, and the product air flow path of the indirect vaporization element 11 l ib And an air supply passage 9L that communicates with the air supply outlet 6.
- the first exhaust flow path 10P and the second exhaust flow path 10Q have the same configuration as the ventilator 1J of the tenth embodiment.
- the ventilator 1L includes a bypass passage 10T that branches from the air supply passage 9L upstream of the indirect vaporization cooling unit 4 and communicates with the air supply outlet 6 by bypassing the indirect vaporization cooling unit 4 .
- the no-pass flow path 10T includes a supply air flow rate adjustment damper 18. By adjusting the opening of the supply air flow adjustment damper 18, the flow rate of the air flowing through the bypass flow path 10T is adjusted. to this Thus, the flow rate of the air supplied to the supply air outlet 6 by bypassing the indirect vaporization cooling unit 4 is adjusted.
- the air supply passage 9L includes an air purifying filter 16 on the upstream side of the dehumidifying unit 33, for example.
- the ventilation device 1L of the twelfth embodiment When the air supply fan 2 is driven, the ventilation device 1L generates a flow of directional air to the air supply outlet 6 in the air supply passage 9L. As a result, the outside air OA is sucked from the outside air inlet 5 and passes through the dehumidifying channel 35a of the dehumidifying unit 33, the first channel 32a of the heat exchange element 32, and the product air channel l ib of the indirect aeration element 11. Then, it is supplied to the room as supply air SA from the supply air outlet 6.
- the dehumidifying unit 33 the outside air OA passing through the dehumidifying channel 35a is dehumidified.
- heat exchange element 32 heat exchange is performed between the outside air OA passing through the first flow path 32a and the return air RA passing through the second flow path 32b.
- a ventilator 1L in the summer the indoor temperature is lowered, and the temperature of the return air RA is lower than the temperature of the outside air OA.
- the temperature of the return air RA passing through the second flow path 32b rises.
- the dehumidification unit 33 was dehumidified and heated by passing through the dehumidification channel 35a.
- the outside air 0A passes through the first flow path 32a of the heat exchange element 32, so that the humidity does not change and the temperature decreases.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air ⁇ A that passed through, the humidity (absolute humidity) does not change and the temperature drops.
- the humidity and temperature of the outside air OA passing through the product air flow path l ib of the indirect vaporization element 11 are lowered by the dehumidifying unit 33 and the heat exchange unit 31 in the previous stage.
- the dehumidifying unit 33 and the upstream of the indirect evaporative cooling unit 4 are reduced.
- the indoor temperature can be lowered by using the ventilator 1L in summer. Therefore, the temperature of the return air RA is also low.
- the return air RA is used as the working air WA, so that the outlet of the product air PA can be efficiently used. It is possible to control the supply air temperature by lowering the temperature.
- the flow rate of air flowing through 10T is adjusted.
- the mixing ratio of the air that is not cooled is controlled by bypassing the air supply, and the supply air temperature from the supply air outlet 6 is controlled.
- the air bypassing the indirect evaporative cooling unit 4 (outside air 0A) is dehumidified by the dehumidifying unit 33 and cooled by the heat exchange unit 31, so the humidity of the supply air SA does not increase.
- the ventilator 1L includes a dehumidifying unit 33 and a heat exchanging unit 31, and indirectly dehumidifies the outside air 0A dehumidified by the dehumidifying unit 33 and cooled by the heat exchanging unit 4 and the indoor cooled return air RA. By using it in the cooling unit 4, the cooling capacity is improved. In addition, by using the return air RA, it is possible to cool and take in the outside air while exhausting the indoor air to the outdoors, and the ventilation device 1L has a function of performing cooling while performing ventilation.
- the return air RA can be communicated with the outside air intake port 5.
- the return air RA is air-conditioned and cooled in the summer. Therefore, by using a part of the return air RA as the supply air, the indirect evaporative cooling unit 4 and the product air PA are used. Input temperature In addition, the input humidity is lowered and the cooling capacity is improved.
- an ion generator or an ozone generator may be provided as an air purification device.
- the ion generator generates positive ions and negative ions, has a function of supplying approximately the same number of positive ions and negative ions, and supplying only negative ions or more negative ions than positive ions.
- the supply air SA containing approximately the same number of positive ions and negative ions is supplied to the living room, etc., and sterilized by preventing generation of mold and the like. Can do. Na If you supply negative ions, you can get a relaxing effect.
- the indirect evaporative cooling unit 4, the air supply fan 2, the exhaust fan 3, the heat exchange unit 31, and the dehumidifying unit 33 do not have to be in the same casing. You may also use it.
- the heat exchange element 32 that performs sensible heat (temperature) exchange is provided as the heat exchange unit 31.
- a so-called total heat exchange element that performs latent heat (humidity) exchange in addition to sensible heat exchange.
- the outside air OA cooled by the heat exchange unit 31 is used as the product air PA of the indirect vaporization element 11.
- the input temperature and input humidity of the product air PA can be lowered, and the outlet temperature of the product air PA can be efficiently lowered to control the temperature of the supply air SA. And the cooling capacity is improved.
- the outside air 0A cooled by the heat exchange unit 31 is the product air PA of the indirect vaporization element 11.
- the total heat exchange element can be used to lower the input temperature and the input humidity of both the product air PA and the working air WA. The temperature can be lowered to control the temperature of the supply air SA, and the cooling capacity is improved.
- the humidity of the air passing through the dehumidifying unit 33 is controlled by controlling the rotational speed of the dehumidifying rotor 36. Can be controlled.
- FIG. 19 is a graph showing the relationship between the rotational speed of the dehumidification rotor 36 and the outlet temperature of the product air PA. As shown in FIG. 19, it can be seen that the amount of dehumidification increases as the rotational speed of the dehumidification rotor 36 increases. Thereby, the humidity of the air output from the dehumidifying unit 33 is controlled by changing the rotational speed of the dehumidifying rotor 36.
- the outside air OA dehumidified by the dehumidifying unit 33 is used as the product air PA of the indirect vaporization element 11.
- the input humidity of the product air PA can be controlled by providing speed control means for controlling the rotational speed of the dehumidifying rotor 36.
- the external air 0A dehumidified by the dehumidifying unit 33 is used as the product air PA of the indirect vaporizing element 11.
- the input humidity of the product air PA and the working air WA can be controlled by controlling the rotational speed of the dehumidifying rotor 36.
- control of the supply air temperature by the rotation control of the dehumidifying rotor 36 and the control of the supply air temperature by the flow rate control by a damper or the like may be combined.
- the dehumidification rotor 36 is dehumidified by adjusting the temperature of the regeneration heater 37 of the dehumidification rotor 36. Equipped with a dehumidification control means that controls the amount of air, so that the humidity of the air supplied to the indirect evaporative cooling unit 4 can be controlled.
- FIG. 20 is a configuration diagram showing an example of a ventilation device 1M according to the thirteenth embodiment.
- the ventilator 1M includes an air supply fan 2 and an indirect evaporative cooling unit 4, and the product air flow path of the indirect vaporization element 11 constituting the air supply fan 2 and the indirect evaporative cooling unit 4 from the outside air intake port l ib And an air supply passage 9M communicating with the air supply outlet 6 is provided.
- the ventilation device 1M branches from the supply air flow path 9M downstream of the supply air fan 2, passes through the working air flow path 11a of the indirect vaporization element 11, and communicates with the exhaust air outlet 8.
- the air supply flow path 9M includes a supply air flow rate adjustment damper 14 on the downstream side of the branch position with the exhaust flow path 10U, for example, on the upstream side of the indirect evaporative cooling unit 4. Further, the exhaust flow path 10U includes an exhaust flow rate adjustment damper 15 on the downstream side of the branch position with the supply flow path 9M, for example, on the upstream side of the indirect evaporative cooling unit 4.
- the ventilation device 1M When the air supply fan 2 is driven, the ventilation device 1M generates a flow of directional air to the air supply outlet 6 in the air supply passage 9M. As a result, outside air 0A is sucked in from the outside air inlet 5, passes through the product air flow path l ib of the indirect vaporization element 11, and is supplied to the room from the inlet air outlet 6 as the inlet air SA.
- the air supply flow path 9U branches from the air supply flow path 9M. And a flow of directional air to the exhaust outlet 8 is generated. As a result, a part of the outside air 0A passes through the working air flow path 11a of the indirect vaporization element 11, and is discharged to the outside from the exhaust outlet 8 as exhaust EA.
- the outside air 0A becomes the product air PA and the working air WA.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the humidity absolute humidity
- the flow rate of the product air PA passing through the product air flow path l ib of the indirect vaporization element 11 1 is adjusted by the opening degree of the supply air flow rate adjustment damper 14.
- the flow rate of the working air WA passing through the working air flow path 11a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- either or both of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 are operated to adjust the flow rate of the product air PA, the flow rate of the working air WA, or the flow rate of both.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled.
- the supply air temperature from the supply air outlet 6 is controlled.
- the flow rate of the product air PA and the working air WA can also be adjusted by changing the rotational speed of the air supply fan 2 to control the air volume.
- Ventilator 1M does not have a function of ventilation by itself, but has a function of air supply and air conditioning. Therefore, a 24-hour ventilator is configured by combining with other exhaust devices with a simple configuration. so wear.
- FIG. 21 is a configuration diagram showing an example of a ventilation device 1N according to the fourteenth embodiment.
- the ventilation device 1N includes an exhaust fan 3 and an indirect vaporization cooling unit 4, and passes through the product air flow path 1 lb of the indirect vaporization element 11 constituting the indirect vaporization cooling unit 4 from the return air suction port 7 to supply air.
- An air supply passage 9N communicating with the outlet 6 is provided.
- the ventilator 1N includes an exhaust passage 10V that communicates from the return air suction port 7 through the working air passage 11a of the indirect vaporization element 11 and the exhaust fan 3 to the exhaust outlet 8.
- the air supply flow path 9N is provided, for example, on the upstream side of the indirect evaporative cooling unit 4 with an air supply flow rate adjustment damper 1
- the exhaust passage 10V includes an exhaust flow rate adjustment damper 15 on the upstream side of the indirect evaporative cooling unit 4, for example.
- the air supply device 41 and the like are connected to the air supply outlet 6 via a duct or the like (not shown).
- the air supply device 41 is, for example, a device that sucks outside air or air in a building and supplies the air into the room.
- the air supply outlet 6 of the ventilation device 1N is connected to the suction port 41a of the air supply device 41.
- the ventilation device 1N When the air supply device 41 is driven, the ventilation device 1N generates a flow of directional air to the air supply outlet 6 in the air supply passage 9N. As a result, the return air RA is sucked in from the return air intake port 7, passes through the product air flow path l ib of the indirect vaporization element 11, and is supplied indoors as the supply air SA from the supply air outlet 6 through the air supply device 41. Is done. [0396] Further, when the exhaust fan 3 is driven, a flow of a flow toward the exhaust outlet 8 is generated in the exhaust passage 10V. As a result, the return air RA passes through the working channel 11a of the indirect vaporization element 11, and is discharged to the outside from the exhaust outlet 8 as exhaust EA.
- the return air RA becomes the product air PA and the working air WA.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the return air RA that passed through the tempera- ture decreases without changing the humidity (absolute humidity).
- the return air RA that has passed through the product air flow path l ib of the indirect vaporization element 11 is blown out as the supply air SA from the supply air outlet 6, whereby the temperature in the room can be lowered.
- the flow rate of the product air PA passing through the product air flow path l ib of the indirect vaporization element 11 is adjusted by the opening degree of the supply air flow rate adjustment damper 14.
- the flow rate of the working air WA passing through the working air flow path 11a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- either or both of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 are operated to adjust the flow rate of the product air PA, the flow rate of the working air WA, or both.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled.
- the supply air temperature from the supply air outlet 6 is controlled.
- the working air W can be controlled by changing the rotation speed of the exhaust fan 3 to control the air volume.
- the flow rate of A can be adjusted.
- the outlet of the product air PA in the indirect vaporization element 11 is combined with the control of the opening degree of at least one of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 and the control of the air volume of the exhaust fan 3.
- the temperature is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- Ventilator 1N can be combined with a simple air supply device 41 to form a 24-hour ventilation device. In other words, if an air supply device already exists in the building, it can be used to make it cheaper. In addition, an air conditioning system capable of 24-hour ventilation and air conditioning can be constructed.
- FIG. 22 is a block diagram showing an example of a ventilation device 1P according to the fifteenth embodiment.
- the ventilator 1P includes the heat exchange unit 31 and the indirect evaporative cooling unit 4, and the first air passage 32a of the heat exchange element 32 and the indirect evaporative cooling unit in which the outside air suction port 5 force also constitutes the heat exchange unit 31. 4 is provided with a supply air flow path 9P that passes through the product air flow path l ib of the indirect vaporization element 11 constituting 4 and communicates with the supply air outlet 6.
- the ventilation device 1P passes through the working air flow path 11a of the indirect vaporization element 11 from the return air suction port 7 and communicates with the exhaust outlet 8 and the first exhaust flow path 10W and the return air suction port 7 Through the second flow path 32b of the heat exchange element 32 and the second exhaust flow path communicating with the exhaust outlet 8
- the air supply device 41 and the like are connected to the air supply outlet 6 via a duct or the like (not shown). Further, an exhaust device 42 and the like are connected to the return air suction port 7 through a duct and the like (not shown).
- the exhaust device 42 is, for example, a device that sucks in air in a building and exhausts it outdoors.
- the return air intake port 7 of the ventilator 1P is connected to the outlet 42a of the exhaust device 42.
- the ventilation device 1P of the fifteenth embodiment When the air supply device 41 is driven, the ventilation device generates a flow of directional air to the air supply outlet 6 in the air supply passage 9P. As a result, outside air 0A is sucked from the outside air inlet 5 and passes through the first flow path 32a of the heat exchange element 32 and the product air flow path l ib of the indirect vaporization element 11, and is supplied from the supply air outlet 6 It is supplied into the room as supply air SA through the device 41.
- outside air OA becomes product air PA and return air RA Guair WA.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the temperature of the outside air 0A that has passed through does not change and the temperature drops.
- the outside temperature OA that has passed through the product air flow path l ib of the indirect vaporization element 11 is blown out as the supply air SA from the supply air outlet 6, whereby the temperature in the room can be lowered.
- the air supply device 41 adjusts the flow rate of the product air PA passing through the product air flow path l ib of the indirect vaporization element 11. Further, the exhaust device 42 adjusts the flow rate of the working air WA that passes through the working air flow path 11a of the indirect vaporization element 11.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled by controlling the flow rate in one or both of the air supply device 41 and the exhaust device 42, as described in FIGS. Is controlled. Therefore, the supply air temperature from the supply air outlet 6 is controlled.
- the building standards require the building to be ventilated, so that a single unit can supply and exhaust air, or only ventilator or ventilator that can only supply air (intermediate duct) (Referred to as fans etc.) is attached to the building.
- a configuration that includes only the exhaust fan 3 as a fan, such as the ventilator 1N, or a configuration that does not include both an air supply fan and an exhaust fan, such as the ventilator 1P It is possible to reduce the product cost by not installing a fan.
- FIG. 23 is a configuration diagram showing an example of a ventilation device 1Q according to the sixteenth embodiment.
- the ventilation device 1Q exhausts the working air WA of the indirect vaporization element 11 constituting the indirect vaporization cooling unit 4 through the heat exchange unit 31.
- the overall configuration of the ventilator will be described by taking the ventilator 1D of the fourth embodiment as an example.
- Ventilator 1Q is equipped with air supply fan 2, exhaust fan 3, heat exchange unit 31, and indirect evaporative cooling unit 4, using outside air 0A as product air PA of indirect evaporating element 11, and returning air Use RA as working air WA.
- the supply air flow path 9D communicates from the supply air fan 2 to the supply air outlet 6 through the first flow path 32a of the heat exchange element 32 and the product air flow path l ib of the indirect vaporization element 11.
- the ventilation flow path 10Y passes from the return air suction port 7 to the working air flow path 1 la of the indirect vaporization element 11, the second flow path 32b of the heat exchange element 32 and the exhaust fan 3 to the exhaust air outlet 8. Communicate.
- the portion indicated by the broken line of the exhaust passage 10Y is formed along the side wall of the case, for example, so as to be independent of the air supply passage 9D and the like.
- the supply air flow path 9D includes, for example, a supply air flow adjustment damper 14 on the upstream side of the heat exchange unit 31, and adjusts the opening degree of the supply air flow adjustment damper 14, so that the product air of the indirect vaporization element 11 is supplied. Flow rate of product air PA flowing through flow path l ib is adjusted.
- the exhaust flow path 10Y includes, for example, an exhaust flow rate adjustment damper 15 on the upstream side of the indirect vaporization cooling unit 4, and the working air flow path of the indirect vaporization element 11 is adjusted by adjusting the opening degree of the exhaust flow rate adjustment damper 15. The flow rate of working air WA flowing through 11a is adjusted.
- the outside air OA becomes the product air PA
- the return air RA becomes the burning air WA.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air ⁇ A that passed through, the humidity (absolute humidity) does not change and the temperature drops.
- the return air RA passing through the working air channel 11a increases in humidity but decreases in temperature. [0427] Therefore, the outside temperature 0A that has passed through the product air flow path l ib of the indirect vaporization element 11 is blown out as the supply air SA from the supply air outlet 6, whereby the temperature in the room can be lowered.
- heat exchange element 32 heat exchange is performed between the outside air OA passing through the first flow path 32a and the return air RA passing through the second flow path 32b.
- the return air RA is lowered in temperature by passing through the working channel 11a of the indirect vaporization element 11, and is lower than the temperature of the outside air OA.
- the temperature of the outside air 0A that has passed through the first flow path 32a of the heat exchange element 32 decreases.
- the return air RA becomes high humidity by passing through the working air flow path 11a of the indirect vaporization element 11, but the heat exchange element 32 is a heat exchange element that performs sensible heat exchange.
- the humidity of OA does not change.
- the flow rate of the product air PA passing through the product air flow path l ib of the indirect vaporization element 11 is adjusted by the opening degree of the supply air flow adjustment damper 14. Further, the flow rate of the working air WA passing through the working air flow path 11 a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- the power of the supply fan 2 and the exhaust fan 3 or the combination of the supply fan 2 and the exhaust fan 3 By controlling the air volume of one side, the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- control of the opening degree of at least one of the supply air flow adjustment damper 14 and the exhaust flow adjustment damper 15 and the control of the air volume of at least one of the supply air fan 2 and the exhaust fan 3 may be combined.
- the outlet temperature of the product air PA in the indirect vaporization element 11 is controlled, and the supply air temperature from the supply air outlet 6 is controlled.
- FIG. 24 is a block diagram showing an example of a ventilation device 1R according to the seventeenth embodiment. Ventilation equipment
- 1R is the working air W of the indirect vaporization element 11 constituting the indirect vaporization cooling unit 4.
- A is used as an air supply SA.
- the overall configuration of the ventilator will be described by taking the ventilator 1E of the fifth embodiment as an example.
- the ventilator 1R includes an air supply fan 2, an exhaust fan 3, a heat exchange unit 31, and an indirect evaporative cooling element 4, and uses the outside air OA as the product air PA and the working air WA of the indirect vaporization element 11. .
- the first air supply flow path 9R is supplied from the outside air intake port 5 through the air supply fan 2, the first flow path 32a of the heat exchange element 32, and the product air flow path l ib of the indirect vaporization element 11. Communicate with outlet 6.
- the second air supply passage 9S branches off from the first air supply passage 9R on the downstream side of the heat exchange unit 31, passes through the working air passage 11a of the indirect vaporization element 11 and the dehumidifier 44, and supplies air. Connect to outlet 6.
- the exhaust flow path 10H communicates from the return air suction port 7 to the exhaust air outlet 8 through the second flow path 32b of the heat exchange element 32 and the exhaust fan 3.
- the dehumidifier 44 includes a permeable membrane filter or the like to separate water and air, and dehumidifies the air passing through the second air supply passage 9S.
- the first air supply passage 9R includes, for example, an air supply flow rate adjustment damper 14 on the upstream side of the heat exchange unit 31, and the indirect vaporization element 11 is adjusted by adjusting the opening degree of the air supply flow adjustment damper 14.
- Product air flow path l Flow rate of product air PA flowing through ib is adjusted.
- the second air supply passage 9S includes, for example, an exhaust flow rate adjustment damper 15 on the upstream side of the indirect vaporization cooling unit 4, and by adjusting the opening degree of the exhaust flow rate adjustment damper 15, indirect vaporization is performed. The flow rate of the working air WA flowing through the working air flow path 11a of the element 11 is adjusted.
- the ventilation device 1R When the air supply fan 2 is driven, the ventilation device 1R generates a flow of directional air to the air supply outlet 6 in the first air supply passage 9R and the second air supply passage 9S. As a result, outside air 0A is sucked in from the outside air inlet port 5, passes through the first channel 32a of the heat exchange element 32 and the product air channel l ib of the indirect vaporization element 11 and is supplied from the inlet port 6 Supplied indoors as SA.
- the outside air OA becomes the product air PA and the working air WA.
- heat exchange element 32 heat exchange is performed between the outside air OA passing through the first flow path 32a and the return air RA passing through the second flow path 32b.
- the ventilator 1R in summer the indoor temperature is lowered, and the temperature of the return air RA is lower than the temperature of the outside air OA.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air ⁇ A that passed through, the humidity (absolute humidity) does not change and the temperature drops.
- the outside air OA that passes through the working air channel 11a increases in humidity but decreases in temperature.
- the outside air 0A that has passed through the working air flow path 11a of the indirect vaporization element 11 becomes high humidity, but can be used as the supply air SA by dehumidification through the dehumidifying device 44, and the product air flow path By blowing out as supply air SA from the supply air outlet 6 together with outside air 0A that has passed 1 lb, the room temperature can be lowered without increasing humidity.
- the product air flow path l ib and the working air flow path 1 la of the indirect vaporization element 11 are both supplied with outside air 0A, and the temperature of the outside air 0A is lowered by the heat exchange unit 31 in the previous stage. It has been. As a result, the outlet temperature of the product air PA can be lowered efficiently and the air supply temperature can be controlled. Furthermore, the cooling capacity is improved by dehumidifying the cooled working air WA and using it as the supply air SA.
- the flow rate of the product air PA passing through the product air flow path l ib of the indirect vaporization element 11 is adjusted by the opening degree of the supply air flow rate adjustment damper 14.
- the flow rate of the working air WA passing through the working air flow path 11a of the indirect vaporization element 11 is adjusted by the opening degree of the exhaust flow rate adjustment damper 15.
- FIG. 25 is a block diagram showing an example of a ventilation device 1S of the eighteenth embodiment. Ventilation equipment
- the ventilator 1S includes a dehumidifying unit 33.
- the dehumidifying unit 33 includes a heater 37 that heats air (regeneration air) that passes through the regeneration flow path 35b, but uses exhaust heat as a heat source for the heater 37.
- an exhaust heat generation source for example, an outdoor unit 38 of an air conditioner is used.
- the hot air collector 38a is attached to the outdoor unit 38, and the hot air is sent to the heater 37 through the duct 39a and the like.
- the heater 37 heats the regenerated air passing through the regeneration flow path 35b by passing warm air from the outdoor unit 38 through, for example, a pipe wound in a coil shape.
- the warm air passing through the heater 37 is exhausted by the exhaust device 42 through the duct 39b and the like.
- the operation of the ventilator 1S is the same as that of the ventilator 1G of the seventh embodiment.
- a part of the return air is used as regeneration air, but by using the exhaust heat of the outdoor unit 38 for heating the regeneration air, it is not necessary to provide the drive source of the heater 37 to the ventilation device 1S. Compared with the case where an air heater is used, power consumption can be suppressed.
- hot air or hot water by heat for boiling water may be used in a water heater that boils hot water with gas or electricity, in addition to the exhaust heat of the outdoor unit.
- FIG. 26A and FIG. 26B are perspective views showing an example of a main configuration of the ventilator according to each embodiment.
- the heat exchange unit 31 is The indirect evaporative cooling unit 4 is surrounded by the heat insulating material 51b while being surrounded by the heat insulating material 51a.
- the heat insulating material 51a and the heat insulating material 51b are made of, for example, polystyrene foam, and have a shape in which a flow path is opened, and surround the heat exchange unit 31, the indirect vaporization cooling unit 4, and the like.
- a heat insulating material By enclosing the heat exchange unit 31 and the indirect evaporative cooling unit 41 with a heat insulating material, it is possible to improve the cooling capacity under the influence of the temperature outside the apparatus.
- each unit may be surrounded by a single heat insulating material.
- the unit enclosed by the heat insulating material may be an air purifying device such as an air purifying filter disposed in a flow path through which air passes.
- an air cleaning device an ion generator, an ozone generator, etc. other than an air cleaning filter may be used.
- FIG. 26A and FIG. 26B a heat exchange unit 31 and an indirect vaporization cooling unit 4 are provided.
- the ventilation devices of the fourth to sixth embodiments have been described as examples. However, the ventilation device of the first to third embodiments including the indirect vaporization cooling unit 4 and the dehumidification unit 33 and the indirect vaporization cooling unit are described. Ventilators of the seventh to ninth embodiments having the knitting unit 4 , and the tenth to twelfth embodiments having the dehumidifying unit 33, the heat exchange unit 4, and the indirect evaporative cooling unit 4. The same applies to other ventilation devices.
- FIG. 27 is a main part configuration diagram of the ventilation device of each embodiment.
- the supply air flow path 9D between the heat exchange unit 31 and the indirect evaporative cooling unit 4 Is provided with a diffusion plate 52.
- the diffusion plate 52 stirs the air passing through the air supply flow path 9D.
- the air that flows into the heat exchange unit 31 and the indirect vaporization cooling unit 4 flows toward the center, and is less likely to be a uniform flow in each flow path of the indirect vaporization element 11 and the like. For this reason, by providing the diffusion plate 52 in front of the indirect evaporative cooling unit 4 or the like, the air can be agitated, and the cooling capacity can be improved by making the flow substantially uniform with respect to each flow path.
- the diffusion plate 52 may be provided in front of the heat exchange unit 31. Further, for example, in the ventilator 1G including the dehumidifying unit 33 and the indirect evaporative cooling unit 4 described in FIG. 7 and the like, the supply plate 9G between the dehumidifying unit 33 and the indirect evaporative cooling unit 4 includes the diffusion plate 52. Furthermore, the present invention can be applied to a ventilator according to another embodiment in which a diffusion plate 52 may be provided in front of the dehumidifying unit 33.
- FIG. 28 is another main part configuration diagram of the ventilation device of each embodiment.
- the heat exchange unit 31 and the indirect evaporative cooling unit 4 are arranged close to each other and the heat exchange unit
- the gap between the outlet of the first flow path 32a of the heat exchange element 32 constituting 31 and the product air flow path 11b of the indirect vaporization element 11 constituting the indirect vaporization cooling unit 4 is as much as possible. Try to reduce it.
- an air supply flow rate adjustment damper provided on the upstream side of the heat exchange unit 31, an exhaust flow rate adjustment damper provided on the upstream side of the indirect evaporative cooling unit 4, for example, are not shown.
- the gap between the heat exchange unit 31 and the indirect evaporative cooling unit 4 is preferably about 5 cm or less. Further, the heat exchange element 32 and the indirect vaporization element 11 may be integrated so that the first flow path 32a of the heat exchange element 32 and the product air flow path l ib of the indirect vaporization element 11 communicate with each other. .
- FIGS. 29A to 29C are other configuration diagrams of the indirect vaporization element showing the main configuration of the ventilation device of each embodiment.
- 29A is an external perspective view
- FIG. 29B is an exploded perspective view
- FIG. 29C is a cross-sectional view.
- the indirect vaporization element 11 includes a dry cell 21 having a plurality of first channels 21b partitioned by a partition 21a, and a plurality of second channels 2 partitioned by a partition 22a. 2b, and a dry cell 21 and a partition wall 23 partitioning the wet cell 22.
- the entrances and exits of each flow path are formed on different surfaces, and the first flow path 21b and the second flow path 22b It is configured to be partially parallel.
- the partition wall 23 includes a moisture-proof film 23a formed of a polyethylene film or the like and a wet layer 23b formed of pulp or the like, and the moisture-proof film 23a faces the dry cell 21 and the wet layer 23b faces the wet cell 22.
- the second flow path 22b becomes the baking air flow path 11a shown in FIG. 1 and the like, and the second flow path 21b becomes the product air flow path l ib.
- FIG. 30 is a configuration diagram showing an example of a building according to the present embodiment, and shows an installation example of the ventilation device 1.
- the ventilation device 1 described in FIG. 1 and the like is installed on the ceiling of the building 101 or the like.
- Building 101 is equipped with multiple living rooms 102, toilet 103, washroom 104a, bathroom 104b, etc., and the air supply outlet 6 shown in Fig. 1 etc. of ventilator 1 is an air supply vent installed on the ceiling of each room 102, etc. It is connected to 105 through duct 106.
- a force having a configuration with one supply air outlet 6 is provided.
- a branch chamber 106a is installed in the middle of the duct 106.
- a single duct 106 may be branched into a plurality of ducts 106.
- the ventilator 1 may be provided with a plurality of air supply outlets 6, or the ventilator 1 provided with a plurality of air supply outlets 6 and the branch chamber 106a may be combined.
- the return air intake port 8 shown in Fig. 1 and the like of the ventilator 1 is connected to an intake port 107 installed, for example, on the ceiling of the toilet 103 via a duct 107a and the like.
- the air supplied into the room 105 is collected at the inlet 107 through the undercut and louvered parts of the door, and the return air RA drawn from the return air inlet 8 is as explained in Fig. 1 etc.
- the suction port 107 may be the return air suction port 7 provided on the lower surface of the main body of the ventilator 1 as shown in FIG. 1, and more than one return air suction port 7 may be provided.
- a suction port 107 may be provided in each of the provided rooms 102.
- the outside air suction port 5 shown in Fig. 1 and the like of the ventilation device 1 is connected to a suction port 109 provided on a wall surface of the veranda 108 or the like via a duct 109a. Further, the exhaust outlet 8 is connected to an exhaust port 110 provided on a wall surface of the veranda 108 or the like via a duct 110a.
- the ventilator 1 can take outside air OA from the outside and exhaust the return air RA from the toilet 103 or the like to the outside as exhaust EA.
- the ventilator 1 is provided with a water supply / drainage device 12 and a drain pan 13 in the indirect evaporative cooling unit 4.
- the cooling air WA is cooled by the heat of vaporization of water, so that water is supplied by the water supply / drainage device 12 and water that is not consumed is stored in the drain pan 13.
- the drain outlet 111 is connected by a hose 11 la, and the water in the drain pan 13 can be drained out of the apparatus by the water supply / drainage device 12 or the like.
- the air supply device 41 connected to the ventilation device 1N described in FIG. 21 is provided in, for example, the duct 106 that connects the ventilation device 1 and the air supply port 105.
- the exhaust device 42 connected to the ventilator 1P described in FIG. 22 is provided, for example, in a duct 107a that connects the ventilator 1 and the suction port 107.
- FIG. 31 is a configuration diagram showing an example of the air supply port.
- Air supply port 105 is provided with air supply 61 that blows out supply air SA, human sensor 62 that detects whether there is a person in room 102 where air supply port 105 is installed, and air supply port 105.
- a temperature sensor 63 for detecting the temperature of the room 102 is provided.
- the air supply port 105 may include an ion generator 64.
- the ion generator 64 generates positive ions and negative ions and supplies them to the supply air SA.
- the supply air SA including approximately the same number of positive ions and negative ions is supplied to the room 102.
- generation of mold in the living room 102 can be suppressed.
- negative ions are supplied to the room 102 by generating more negative ions than only negative ions or positive ions. Thereby, a relaxing effect can be obtained in the living room 102.
- a damper for adjusting the air supply flow rate is provided at the air supply port 105, and if the air supply flow rate increases or decreases, the air supply amount at the air supply port 105 of the predetermined room 102 should be adjusted as desired. Therefore, it is good to be able to secure the ventilation volume in the whole building.
- FIG. 32 is a configuration diagram showing an example of a ventilation device 1T according to the nineteenth embodiment.
- the ventilator 1T is provided with a plurality of air supply outlets 6 and the flow rate can be controlled at each of the air supply outlets 6.
- the overall configuration of the ventilator will be described by taking the ventilator 1A of the first embodiment as an example.
- the ventilation device 1T includes a first air supply outlet 6a and a second air supply outlet 6b in this example as the air supply outlet.
- the ventilation device 1T includes an air supply fan 2, an exhaust fan 3, and an indirect vaporization cooling unit 4, and an air supply flow path 9A connects a product air flow path l ib of the indirect vaporization element 11 from the air supply fan 2. And communicates with the first air supply outlet 6a and the second air supply outlet 6b.
- the ventilation channel 10A communicates from the return air suction port 7 to the exhaust air outlet 8 through the working air channel 1 la of the indirect vaporization element 11 and the exhaust fan 3.
- the air supply flow path 9A includes an air supply flow rate adjustment damper 14 on the upstream side of the indirect evaporative cooling unit 4, for example. Further, the exhaust passage 10A includes an exhaust flow rate adjustment damper 15 on the upstream side of the indirect evaporative cooling unit 4, for example.
- At least one of the first air supply outlet 6a and the second air supply outlet 6b is provided with an air supply flow rate adjusting damper 19.
- an air supply flow rate adjusting damper 19 is provided at the second air supply outlet 6b.
- the ventilator 1T when the air supply fan 2 is driven, a flow of directed air is generated in the air supply passage 9A to the first air supply outlet 6a and the second air supply outlet 6b.
- the outside air OA is sucked in from the outside air inlet 5 and passes through the product air flow path l ib of the air purification filter 16 and the indirect vaporization element 11, and then the first air supply outlet 6a and the second air supply outlet 6b. Supplied from the room as SA.
- the working air WA is cooled by the heat of vaporization of water, and the product air PA is cooled by the cold heat of the working air WA.
- the outside air ⁇ A that passed through, the humidity (absolute humidity) does not change and the temperature drops.
- the return air RA passing through the working air channel 11a increases in humidity but decreases in temperature.
- the flow rate of the product air PA passing through the product air flow path ib of the indirect vaporization element 11 is adjusted by the opening degree of the supply air flow rate adjustment damper 14. Also exhaust The flow rate of the working air WA passing through the working air flow path 11 a of the indirect vaporization element 11 is adjusted by the opening degree of the flow rate adjusting damper 15.
- the flow rate of A is controlled.
- the flow rate of the supply air flow adjustment damper 19 can be increased by increasing the opening degree of the supply air flow adjustment damper 19 by increasing the opening degree of the supply air flow adjustment damper 19. By reducing the degree, it is possible to reduce the flow rate of the supply air SA blown out from the second supply air outlet 6b.
- each duct 106 may be different because the power to the ventilator 1 is not evenly spaced from each room 102. Many.
- FIG. 32 Note that although two examples of the air supply outlet have been described in Fig. 32, two or more supply air outlets may be used. Also, the flow rate can be adjusted with a damper, and the configuration can be such that the diameter of the power supply air outlet 6 is variable. Furthermore, the branch chamber 106a shown in FIG. 30 may have an equivalent function.
- the return air suction port 7 has one force. If it is performed from the (residential room), multiple return air inlets 7 may be provided. In this case, the flow rate of the return air RA is adjusted by providing a damper constituting the return air flow rate adjusting means in at least one return air suction port 7, and the return air flow rate for each room is adjusted. The return air from the room can be controlled to stop.
- Ventilator IT also uses the return air RA to cool and take in outside air while venting indoor air to the outside. Will have.
- FIG. 33 is a block diagram showing an example of the control function of the ventilator.
- a configuration with a dehumidifying unit is used.
- the ventilator 1 includes a CPU 71 constituting a control means, a fan motor 72 that drives an air supply fan 2 and an exhaust fan 3, a damper motor 73 such as an air supply flow adjustment damper 14 and an exhaust flow adjustment damper 15, and a dehumidifying unit.
- a dehumidification rotor motor 74 for driving the 33 dehumidification rotor 36 is connected, and the CPU 71 controls these drive sources, thereby controlling the temperature of the supply air SA and the like.
- the CPU 71 is connected to the water supply valve 12a and the water discharge valve 12b of the water supply / drainage device 12, and the water supply / drainage control in the indirect evaporative cooling unit 4 is performed. Further, the CPU 71 includes a temperature sensor 17 provided in the air supply outlet 6 and the like, a water level sensor 13a provided in the drain pan 13, and a human sensor 62 and a temperature sensor 63 provided in the air supply port 105 shown in FIG. Connected, temperature control of the supply air SA is performed based on various detection information.
- the CPU 71 is connected with a setting switch 75 that constitutes setting means and performs various operations, a cooling operation stop switch 76 that constitutes an instruction means, and a memory 77 that stores setting information and the like. Based on the operation and settings, the temperature control of the supply air SA, the control of shutdown, etc. are performed.
- the ventilator 1 or the like is equipped with an ion generator, the ion generator is connected to the CPU 71 to control the generation of positive and negative ions.
- FIG. 34 is a flowchart showing an example of cooling control by the temperature sensor, and a specific control example will be described with reference to FIG. 32 and the like.
- a desired set temperature value is registered in the memory 77 in advance.
- the fan motor 72 and the like are driven to perform a cooling operation.
- Step SA1 The CPU 71 reads the temperature of the supply air SA from the temperature sensor 17. Or, the temperature of the room 102 is read from the temperature sensor 63.
- Step SA2 The CPU 71 reads the set temperature value from the memory 77.
- Step SA3 The CPU 71 detects the temperature of the supply air SA read from the temperature sensor 17, for example.
- step SA1 Compare the set temperature value read from memory 77. If the temperature of the supply air SA is lower than the set temperature value, the current control is maintained without changing the fan speed, damper opening, etc., and the process returns to step SA1.
- Step SA4 If the temperature of the supply air SA is higher than the set temperature value in the comparison with step SA3, the CPU 71 lowers the temperature of the supply air SA.
- the indirect evaporative cooling unit 4 shown in FIG. Increase working air WA flow rate.
- the CPU 71 increases the flow rate of the working air WA by controlling the damper motor 73 to increase the opening of the exhaust flow rate adjustment damper 15.
- the temperature control of the supply air SA can be performed not only by the opening degree control of the exhaust flow rate adjustment damper 15, but also by the fan air volume control, the rotational speed control of the dehumidifying rotor 36, or the like.
- step SA3 if the temperature of the supply air SA is lower than the set temperature value, the force to maintain the current control Increase the temperature of the supply air SA by reducing the flow rate of the working air WA Control may be performed.
- setting date data such as the date and time of operation at the desired set temperature value is registered in the memory 77, and the current date and time is the date and time specified by the setting date data registered in the memory 77.
- control may be performed so as to obtain a desired set temperature.
- the ventilation flow rate may be controlled only by temperature control.
- the memory 77 is a rewritable memory, and the set temperature value can be rewritten by operating the setting switch 75.
- the setting switch 75 an operation panel provided in the ventilation device 1 or a remote control device connected by wire, wireless, infrared, or the like is used.
- the set temperature value registered in the memory 77 may be temperature data, or the rotational speed of the fan motor 72, the driving voltage of the fan motor 72, the damper opening degree by the damper motor 73, the driving voltage of the damper motor 73, or the like.
- FIG. 35 is a flowchart showing another example of cooling control by the temperature sensor.
- a desired set temperature value is registered in the memory 77 in advance.
- the fan motor 72 and the like are driven to perform a cooling operation.
- Step SB1 The CPU 71 reads the temperature of the supply air SA from the temperature sensor 17. Or, the temperature of the room 102 is read from the temperature sensor 63.
- Step SB2 The CPU 71 reads the set temperature value from the memory 77.
- Step SB3 The CPU 71 compares, for example, the temperature of the supply air SA read from the temperature sensor 17 with the set temperature value read from the memory 77. If the temperature of the supply air SA is lower than the set temperature value, the current control is maintained without changing the fan speed, damper opening, etc., and the process returns to step SA1.
- Step SB4 In the comparison of Step SB3, if the temperature of the supply air SA is higher than the set temperature value, the CPU 71 lowers the temperature of the supply air SA.
- the water supply of the water supply / drainage device 12 shown in FIG. Increase the opening of valve 12 and increase the amount of water supplied to indirect vaporization element 11.
- the working air WA is cooled by using the heat of vaporization of water in the indirect vaporization element 11, so that when the amount of water supplied to the indirect vaporization element 11 increases, The temperature of the working air WA decreases and the temperature of the product air PA that receives the cold heat of the working air WA decreases. Therefore, the temperature of the supply air SA can be lowered.
- FIG. 36 is a flowchart showing an example of cooling control by the human sensor.
- a desired set temperature value that can be switched according to the presence or absence of a person is registered in the memory 77. Further, it is assumed that the fan motor 72 and the like are driven to perform a cooling operation.
- Step SC1 The CPU 71 reads the presence / absence of a person in the living room 102 shown in FIG.
- Step SC2 The CPU 71 reads the first set temperature value and the second set temperature value from the memory 77.
- the first set temperature value is the cooling temperature when there is a person
- the second set temperature value is the cooling temperature when there is a person.
- Step SC3 The CPU 71 determines whether the human sensor 62 has an output force.
- Step SC4 If there is a person in the room 102 as determined in Step SC3, the CPU 71 sets the temperature of the supply air SA to the first set temperature value. Control the damper opening, the rotational speed of the dehumidifying rotor 36, etc., for example, adjust the flow rate of the working air WA, and set the temperature of the supply air SA to the first set temperature value.
- Step SC5 If there is no person in the room 102 at step SC3, the CPU 71 sets the temperature of the supply air SA to the second set temperature value.
- the damper opening degree by 73 is controlled, for example, the flow rate of the working air WA is adjusted, and the temperature of the supply air SA is set to the second set temperature value.
- the cooling temperature can be changed depending on the presence or absence of a person, for example, when there is no person, the power consumption can be suppressed by setting the cooling temperature higher.
- the first set temperature value and the second set temperature value registered in the memory 77 can be rewritten by operating the setting switch 75. Thereby, a desired supply air temperature can be obtained.
- FIG. 37 is a flowchart showing an example of ventilation amount control by the human sensor.
- a desired ventilation flow value that can be switched according to the presence or absence of a person is registered in the memory 77.
- fan motor 72 etc. is driven and cooling operation is performed.
- Step SD1 The CPU 71 reads the presence / absence of a person in the room 102 shown in FIG.
- Step SD2 The CPU 71 reads the first set ventilation flow value and the second set ventilation flow value from the memory 77.
- the first set ventilation flow value is the ventilation flow rate when there is a person
- the second set ventilation flow value is the ventilation flow rate when there is a person.
- Step SD3 The CPU 71 determines whether the human sensor 62 has an output force.
- Step SD4 If there is a person in the room 102 based on the judgment in step SD3, the CPU 71 sets the ventilation flow rate to the first set ventilation flow value, so that the fan rotation speed by the fan motor 72 and the damper motor 73 By controlling the opening, etc., adjust the flow rate of the supply air SA and the intake and return flow rates of the return air RA, and the return air flow rate is the first set return air flow value.
- Step SD5 If there is no person in the room 102 as determined in Step SD3, the CPU 71 sets the ventilation flow rate to the second set ventilation flow value, so the fan rotation speed by the fan motor 72 and the damper motor 73 By controlling the damper opening, etc., the flow rate of the supply air SA and the intake and return flow rate of the return air RA are adjusted, and the return air flow rate becomes the second set return air flow value.
- the first set ventilation flow value and the second set ventilation flow value registered in the memory 77 can be rewritten by operating the setting switch 75. As a result, a desired ventilation flow rate can be obtained.
- the ventilator 1 shown in Fig. 1 etc. functions as an air conditioner that controls the temperature of the living room by using the indirect evaporative cooling unit 4, and also controls the temperature by stopping the cooling function by the indirect evaporative cooling unit 4. It functions as a ventilation device that ventilates the room (replacement of outside air and return air) without being accompanied.
- FIG. 38 is a flowchart showing an example of manual start / stop control. First, the manual stop operation of the cooling function will be described.
- Step SE1 The CPU 71 reads the output of the cooling operation stop switch 76.
- Step SE2 CPU 71 is instructed to stop cooling from the output of cooling operation stop switch 76. Judgment is made or not.
- Step SE3 When cooling stop is instructed in the judgment of step SE2, the CPU 71 closes the water supply valve 12a of the water supply / drainage device 12 shown in FIG. 1, for example, and stops water supply to the indirect vaporization element 11. If the water supply to the indirect vaporization element 11 stops, the cooling air WA will no longer be cooled due to water evaporation, and the product air PA will not be cooled. Therefore, the temperature of the supply air SA is not controlled by the indirect evaporative cooling unit 4. As a result, the cooling function can be stopped.
- Step SE4 When the start of the cooling function is instructed in the determination at Step SE2, the CPU 71 opens the water supply valve 12a of the water supply / drainage device 12 shown in FIG. 1, for example, and supplies water to the indirect vaporization element 11.
- the temperature of the supply air SA is controlled by the indirect evaporative cooling unit 4, whereby the cooling function can be activated.
- FIG. 39 is a flowchart showing an example of automatic start / stop control. Next, the automatic cooling function stop operation will be described.
- set date data such as the date and time when the cooling function is stopped is registered in advance.
- Step SF1 The CPU 71 reads the current date data from a calendar function or the like (not shown).
- Step SF2 The CPU 71 reads the set date data of the cooling stop period from the memory 77.
- Step SF3 The CPU 71 compares the current date data with the set date data read from the memory 77.
- Step SF4 In comparison with Step SF3, when the current date is in the cooling stop period, the CPU 71 closes the water supply valve 12a of the water supply / drainage device 12 shown in FIG. 1 to supply water to the indirect vaporization element 11, for example. To stop. When the water supply to the indirect vaporization element 11 is stopped, the cooling function can be stopped as described above.
- the CPU 71 may open the drain valve 12b to drain the water from the drain pan 13.
- Step SF5 In comparison with Step SF3, if the current date does not enter the cooling stop period, the CPU 71 opens, for example, the water supply valve 12a of the water supply / drainage device 12 shown in Fig. 1 and supplies water to the indirect vaporization element 11 Start the cooling function.
- the cooling function is stopped and started based on the date, but the set temperature value for stopping the cooling function is registered in the memory 77 and is not shown.
- the outdoor temperature detected by the outside air temperature sensor is compared with the set temperature value.When the outdoor temperature falls below the set temperature value, the cooling function is stopped, and when the outdoor temperature exceeds the set temperature value, the cooling function is activated. You may make it let it.
- the setting date data and the setting temperature value registered in the memory 77 can be rewritten by the operation of the setting switch 75. Thereby, the cooling function can be stopped for a desired period.
- drainage control of the drain pan 13 drainage control according to the water level is performed in addition to the drainage control associated with the operation stop.
- FIG. 40 is a configuration diagram showing an example of the drain pan 13.
- the drain pan 13 is provided with a drain valve 12b at a position where all the accumulated water can be drained. Further, a water level sensor 13a is provided for detecting that a predetermined amount of water has accumulated. In addition to the water level, the amount of water stored by weight or amount of water may be detected.
- drain pan 13 is provided with a drain outlet 13b at a position where water above a predetermined water level can be discharged.
- Drain valve 12b and drain port 13b are connected to drain drain port 111 shown in Fig. Drained outside the building.
- the drainage of the drain pan 13 may be connected to sewage, or may be used for toilet flushing water.
- FIG. 41 is a flowchart showing an example of the drainage control, and the drainage operation according to the change in the water level will be described.
- Step SG1 The CPU 71 reads the output of the water level sensor 13a.
- Step SG2 The CPU 71 determines from the output of the water level sensor 13a whether or not the water level of the drain pan 13 exceeds a predetermined amount.
- Step SG3 When the water level of the drain pan 13 exceeds the predetermined amount P1 as determined in Step SG2, the CPU 71 opens the drain valve 12b of the water supply / drainage device 12 and drains the water of the drain pan 13. Further, while the drain valve 12b is opened, the water supply valve 12a is closed and the water supply to the indirect vaporization element 11 is stopped.
- Step SG4 If the water level of the drain pan 13 does not exceed the predetermined amount P1 as determined in Step SG2, the CPU 71 holds the drain valve 12b of the water supply / drainage device 12 in the closed state and does not drain the water. If the water level sensor 13a can detect that the amount of stored water in the drain pan is below a predetermined amount, the water supply valve 12a is opened to supply water to the indirect vaporization element 11.
- the drain pan 13 is provided with a drain port 13b so that water having a predetermined water level P2 or higher can be discharged from the drain port 13b.
- overflow can be prevented even if normal control cannot be performed due to a failure of the water level sensor 13a.
- the working air WA is cooled by the heat of vaporization of water, so water is consumed. Since working air WA is highly humid air, water consumption can be reduced by collecting and reusing water from the working air WA.
- FIG. 42A and FIG. 42B are configuration diagrams showing a first embodiment of an indirect evaporative cooling unit including a water recovery device.
- Fig. 42A schematically shows the configuration of the indirect evaporative cooling unit 4A.
- FIG. 42B is a side sectional view schematically showing the configuration of the indirect evaporative cooling unit 4A.
- the power explained in the form of using the return air RA as the working air WA is explained in FIG. 2A to FIG. 2C etc.
- outside air 0A may be used as working air WA.
- a water supply pipe 82 constituting the water supply / drainage device 12 is arranged on the outlet side of the working air flow path 11a above the indirect vaporization element 11 as a recovery device 81A.
- the water supply pipe 82 is meandered to increase the flow path length.
- the water supply pipe 82 is configured to supply water to the indirect vaporization element 11 from the tip, for example.
- the working air flow path 11a of the indirect vaporization element 11 communicates with the exhaust flow path 10 through the space provided with the water supply pipe 82, and the water supply pipe 82 is arranged in the discharge flow path of the working air WA.
- the cooling air WA passing through the working air flow path 11a is cooled by the heat of vaporization of water, and when the working air WA is cooled, it passes through the product air flow path l ib.
- Product air PA is cooled by the cold air of working air WA.
- FIG. 43A and FIG. 43B are configuration diagrams showing a second embodiment of the indirect evaporative cooling unit provided with the water recovery device.
- FIG. 43A is a plan view schematically showing the configuration of the indirect evaporative cooling unit 4B
- FIG. 43B is a side cross-sectional view schematically showing the configuration of the indirect evaporative cooling unit 4B.
- the return air RA is explained as being used as the working air WA ⁇ explained in FIG. 2A to FIG. 2C etc.
- outside air OA is used as working air WA Form may be sufficient.
- the indirect evaporative cooling unit 4B as the recovery device 81B, is branched from the exhaust flow path 10 upstream of the indirect evaporative cooling unit 4B and communicated with the exhaust flow path 10 downstream of the indirect evaporative cooling unit 4B.
- 83 is provided in contact with the upper part of the indirect evaporative cooling unit 4. Note that a configuration in which the recovery exhaust pipe 83 is disposed in the exhaust flow path of the working air WA may be employed.
- the working air WA that passes through the working air flow path 11a is cooled by the heat of vaporization of water, so the return air RA that passes through the working air flow path 11a has a high humidity. Air.
- FIG. 44A and FIG. 44B are configuration diagrams showing a third embodiment of the indirect evaporative cooling unit provided with the water recovery device.
- 44A is a plan view schematically showing the configuration of the indirect evaporative cooling unit 4C
- FIG. 44B is a side cross-sectional view schematically showing the configuration of the indirect evaporative cooling unit 4C.
- the force explained in the form of using the return air RA as the working air WA is explained in FIG. 2A to FIG.
- outside air 0A may be used as working air WA.
- the indirect vaporization cooling unit 4C is used as a recovery device 81C, in the indirect vaporization element 11, a cooling exhaust pipe 84 communicating with the working air flow path 1 la disposed on the outlet side of the product air flow path 1 lb, and the product A recovery exhaust pipe 85 communicated with the working air flow path 1 la disposed on the inlet side of the air flow path l ib is provided.
- the cooling exhaust pipe 84 and the recovery exhaust pipe 85 are in contact with each other at the heat receiving portion 86.
- the heat receiving section 86 is configured, for example, such that a large-diameter cooling exhaust pipe 84 passes through a small-diameter recovery exhaust pipe 85. In the heat receiving section 86, there is no air flow between the cooling exhaust pipe 84 and the recovery exhaust pipe 85.
- the cooling exhaust pipe 84 and the recovery exhaust pipe 85 are both connected to the exhaust outlet 8 shown in FIG. Pass through.
- the working air flow path 11a arranged on the inlet side of the product air flow path l ib and the working air flow path 11a arranged on the outlet side have a single king air WA outlet temperature. And outlet humidity is different. That is, the working air WA that has passed through the working air passage 1 la disposed on the inlet side of the product air passage 1 lb is relatively hot and humid because the temperature of the product air PA is high. On the other hand, the boiling air WA passing through the working air flow path 1 la arranged on the outlet side of the 1 lb opening duct air flow path is low in temperature and humidity due to the low temperature of the product air PA.
- moisture is condensed using the temperature difference of the working air WA.
- the relatively high temperature and high humidity working air WA power flowing through the recovery exhaust pipe 85 is cooled by the cold heat of the cold and low temperature working air WA flowing through the cooling exhaust pipe 84 and moisture is condensed.
- the water consumed by the indirect vaporization element 11 is collected using the recovery device 81 so that the water can be supplied again to the indirect vaporization element 11, thereby reducing the water consumption. Running costs can be reduced.
- the present invention is applied to a ventilator that is installed in a general house and ventilates and air-conditions a plurality of rooms.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-289312 | 2004-09-30 | ||
JP2004289312A JP4466307B2 (ja) | 2004-09-30 | 2004-09-30 | 換気装置及び建物 |
Publications (1)
Publication Number | Publication Date |
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WO2006035827A1 true WO2006035827A1 (ja) | 2006-04-06 |
Family
ID=36118973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/017873 WO2006035827A1 (ja) | 2004-09-30 | 2005-09-28 | 換気装置及び建物 |
Country Status (5)
Country | Link |
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JP (1) | JP4466307B2 (ja) |
KR (1) | KR20070054227A (ja) |
CN (1) | CN101031757A (ja) |
TW (1) | TW200619571A (ja) |
WO (1) | WO2006035827A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011220561A (ja) * | 2010-04-06 | 2011-11-04 | Mitsubishi Electric Corp | 熱交換換気装置 |
JP6166667B2 (ja) * | 2014-01-31 | 2017-07-19 | ダイキン工業株式会社 | 換気装置および空気調和機 |
JP6787156B2 (ja) * | 2016-02-12 | 2020-11-18 | 富士電機株式会社 | 空調装置 |
JP6881623B1 (ja) * | 2020-01-20 | 2021-06-02 | ブラザー工業株式会社 | 空調機 |
CN114777221B (zh) * | 2022-04-13 | 2023-08-04 | 佛山市南海富丽尔电器有限公司 | 一种工业除湿机用防渗漏导水装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997017586A1 (fr) * | 1995-11-07 | 1997-05-15 | Seibu Giken Co., Ltd. | Procede et systeme pour le refroidissement d'un fluide et l'assechement et le refroidissement d'un gaz |
JP2002147794A (ja) * | 2000-09-04 | 2002-05-22 | Seibu Giken Co Ltd | 除湿空調装置 |
JP2003139350A (ja) * | 2001-10-31 | 2003-05-14 | Seibu Giken Co Ltd | 除湿空調装置 |
-
2004
- 2004-09-30 JP JP2004289312A patent/JP4466307B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-28 KR KR1020077007112A patent/KR20070054227A/ko not_active Application Discontinuation
- 2005-09-28 WO PCT/JP2005/017873 patent/WO2006035827A1/ja active Application Filing
- 2005-09-28 CN CNA2005800333102A patent/CN101031757A/zh active Pending
- 2005-09-29 TW TW094133970A patent/TW200619571A/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997017586A1 (fr) * | 1995-11-07 | 1997-05-15 | Seibu Giken Co., Ltd. | Procede et systeme pour le refroidissement d'un fluide et l'assechement et le refroidissement d'un gaz |
JP2002147794A (ja) * | 2000-09-04 | 2002-05-22 | Seibu Giken Co Ltd | 除湿空調装置 |
JP2003139350A (ja) * | 2001-10-31 | 2003-05-14 | Seibu Giken Co Ltd | 除湿空調装置 |
Also Published As
Publication number | Publication date |
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KR20070054227A (ko) | 2007-05-28 |
JP4466307B2 (ja) | 2010-05-26 |
JP2006105424A (ja) | 2006-04-20 |
CN101031757A (zh) | 2007-09-05 |
TW200619571A (en) | 2006-06-16 |
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