JP2009287861A - Humidification and ventilation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a humidification and ventilation device capable of securing necessary humidification amount by a vaporizing humidifier without mounting a heater and a hot water or refrigerant coil, capable of using heat exchange efficiency of a total heat exchanger at a highly efficient point by controlling the quantity of exhaust air and supply air, and having a simple and compact product configuration by using the small humidifier. <P>SOLUTION: In this ventilation device, the total heat exchanger 5 performing heat exchange between the outside air and indoor air is provided between an air supply air channel 2 having an air supply air blower 1 for sucking outside air to the indoor side and an air exhaust air channel 4 having an air exhaust air blower 3 for discharging indoor air to outside of the room, and the humidifier 7 is provided between an indoor blow-out port 6 of the air supply air channel 2 and the total heat exchanger 5. The ventilation device is provided with a bypass air blower 9 for making air flow from an indoor suction port 8 on the air exhaust air channel 4 to the upstream side of the humidifier 7 on the air supply air channel 2. Due to this configuration, heating is enabled without mounting a heating device and humidification can be performed. Thus, the humidification and ventilation device having the simple and compact structure can be achieved. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a ventilator in which a humidifier for humidifying a room is mounted on a total heat exchanger that exchanges heat between outside air and room air when ventilation is performed.

  Conventionally, this type of ventilator is equipped with a heat exchanger for heating between the downstream side of the total heat exchanger and the humidifier, or the air in the ceiling is once exposed to the outside with a sensible heat exchanger. A structure is known in which heat is exchanged and heated, and then the room air and the outside air heated by the sensible heat exchanger are heat-exchanged in a total heat exchanger, and then humidified (see, for example, Patent Document 1). ).

  The structure will be described below with reference to FIGS.

  As shown in the figure, the configuration of the ventilation device is between an air supply air passage 102 having an air supply blower 101 for sucking outside air indoors and an exhaust air passage 104 having an exhaust air blower 103 for discharging indoor air outdoors. A total heat exchanger 105 that exchanges heat between the outside air and room air is provided, and a humidifier 107 is provided between the indoor air outlet 106 of the supply air passage and the total heat exchanger 105.

In addition, in the example in the literature, a structure in which a ceiling blower 111 that can blow air in the ceiling and a sensible heat exchanger 112 that exchanges heat between the outside air and the ceiling air is provided on the downstream side of the outdoor air supply port 110 is added. is there.
JP 2002-349924 A

  In such a conventional humidifying / ventilating apparatus, especially when humidification is necessary in winter, for example, the outside air has a temperature of 0 ° C. and a relative humidity of 50% (in this case, absolute humidity = 0.0001 kg / kg ′), and the room has a temperature of 22 ° C. Assuming that the relative humidity is 40% (absolute humidity at this time = 0.0066 kg / kg '), even if the exhaust heat and the supply air are heat-exchanged (for example, heat exchange efficiency 70%) by the total heat exchanger, immediately before the humidifier The temperature of the air is about 15 ° C and the relative humidity is also about 45% (absolute humidity at this time = 0.0051 kg / kg '), and the humidification method using the heat of vaporization (for example, the drop vaporization method, ultrasonic method, moisture permeability) Membrane type, spray type, etc.) require saturation performance (equation 1) of about 80% or more due to isoenthalpy change, but the actual ability is only about 70% saturation efficiency, and the amount of moisture released to the outside air by exhaust Cannot be supplemented with humidification. Or to ensure the amount is equipped with a heater and hot water or a refrigerant coil as a heating means on the upstream side of the humidifier, it is necessary to provide a separate dedicated humidifier chamber.

  Further, the heat exchange efficiency of the total heat exchanger is when exhaust and supply air are 1: 1, and in actual use, the balance between supply and exhaust is lost due to duct piping and the like, and the heat exchange efficiency is also reduced. The designed temperature and humidity could not be recovered, the temperature and humidity of the air after heat exchange were lowered, and even when the saturation efficiency was the same (70%), the absolute humidification amount was sometimes insufficient.

  In addition, it is devised to use a sensible heat exchanger with relatively warm air in the ceiling (air with a temperature close to room temperature), and then blow it out to the humidifier at a slightly higher temperature after heating. The air blower and sensible heat exchanger had to be installed, and the product had to be large.

  The present invention solves such a conventional problem, and even if a heater, hot water, or a refrigerant coil is not mounted, a required humidification amount can be secured with a vaporizing humidifier, and exhaust and air supply can be secured. The purpose is to be able to humidify even a small humidifier because the air volume can be controlled and the heat exchange efficiency of the total heat exchanger can be used at an efficient point. Another object of the present invention is to provide a humidification ventilator equipped with a total heat exchanger that can reduce the size of the product without providing a plurality of heat exchangers in order to improve heat recovery.

  In order to achieve the above object, a humidifying ventilator according to the present invention provides an outside air between a supply air passage having an air supply blower for sucking outside air into the room and an exhaust air passage having an exhaust blower for discharging room air to the outside. And a total heat exchanger for exchanging heat between the indoor air and a ventilator provided with a humidifier between the indoor air outlet of the supply air passage and the total heat exchanger, from the indoor suction port in the exhaust air passage A bypass blower for flowing air to the upstream side of the humidifier in the supply air passage is provided.

  By this means, warm air in the room can be used, and since there is no heating heater, hot water, or refrigerant coil mounted, the structure is easy and the humidifier and ventilator can improve the compactness of the humidifier and product Is obtained.

  In addition, the other means is provided with an air temperature detecting means for detecting the temperature of the blown air upstream of the humidifier, and an arithmetic control unit for determining the air blowing amount of the bypass blower based on the detected temperature. It is a feature.

  Thereby, the humidification ventilator which can control the power consumption of a bypass air blower for adjusting to the air temperature required for humidification and can humidify efficiently without useless operation is obtained.

  Further, the other means includes an exhaust air speed detecting means for detecting a wind speed on the downstream side of the total heat exchanger of the exhaust air passage, and an arithmetic control unit for determining an air blowing amount of the exhaust air blower based on the detected wind speed. It is characterized by providing.

  As a result, warm air in the room can be used while ensuring the required amount of exhaust air flow, and there is no mounting of a heater, hot water or refrigerant coil, etc., and the structure is simple, and the humidifier and product are compact. The humidification ventilation apparatus which can improve is obtained.

  The other means includes a supply air speed detection means for detecting a wind speed on the upstream side of the total heat exchanger in the supply air path, and an arithmetic control unit for determining an air flow rate of the supply air blower based on the detected wind speed. Is provided.

  As a result, it is possible to use warm air in the room while ensuring a constant supply air volume, and there is no mounting of a heater, hot water or refrigerant coil, etc., and the structure is simple, and the humidifier and product compact The humidification ventilation apparatus which can improve performance is obtained.

  Another means is that the respective duct connection diameters of the indoor air inlet for sucking air from the room of the exhaust air passage and the air outlet for blowing air to the room of the air supply air passage are air from the outside of the air supply air passage. It is characterized by having a structure larger than the respective duct diameters of the outdoor air inlet for sucking in and the outdoor air outlet for discharging the exhaust air passage to the outside.

  Thereby, the pressure loss in the duct by the increased air volume for the indoor air circulation for improving the humidification amount can be reduced, and a humidification ventilator capable of saving energy is obtained.

  Another means is that the total heat that exchanges heat between the outside air and the room air is provided between the air supply passage having the air supply blower for sucking the outside air into the room and the exhaust air passage having the exhaust blower for discharging the room air to the outside. In a ventilator provided with an exchanger, and provided with a humidifier between the indoor outlet of the supply air passage and the total heat exchanger, for in-ceiling for sucking air in the ceiling and flowing the air upstream of the humidifier It is characterized by having a structure provided with a blower.

  Thereby, the humidification ventilation apparatus which can utilize the heating energy required for humidification with a simple structure easily by mixing the warm air in a ceiling is obtained.

  Further, the other means is provided with an air temperature detecting means for detecting the temperature of the blown air upstream of the humidifier, and an arithmetic control unit for determining the air volume of the ceiling fan based on the detected temperature. It is characterized by.

  Thus, by mixing the warm air in the ceiling, the heating energy necessary for humidification can be easily used with a simple structure, and the air blower for ceiling can be adjusted to the air temperature necessary for humidification. A humidification ventilator that can control power consumption and efficiently humidify without wasteful operation is obtained.

  The other means is provided with an exhaust air speed detecting means for detecting the air speed on the downstream side of the total heat exchanger of the exhaust air passage, and an arithmetic control unit for determining the air volume of the exhaust air blower based on the detected air speed. It is characterized by this.

  As a result, warm air in the ceiling can be used while ensuring the required exhaust air volume at a constant level, and there is no heating heater, hot water or refrigerant coil, etc., so the structure is easy. The humidification ventilation apparatus which can improve compactness is obtained.

  Further, the other means includes an air supply air speed detecting means for detecting an air speed upstream of the total heat exchanger in the air supply air passage, and an arithmetic control unit for determining the air volume of the air supply blower based on the detected air speed. Is provided.

  This makes it possible to use the warm air in the ceiling while ensuring the required air supply air volume at a constant level, and since there is no heating heater, hot water or refrigerant coil mounted, the structure is easy, and the humidifier and product The humidification ventilation apparatus which can improve the compactness of the is obtained.

  Further, the other means is that the duct connection diameter of the indoor outlet that blows air into the interior of the supply air passage is an outdoor air supply port that sucks air from the outside of the supply air passage, and exhausts the outside of the exhaust air passage. It is characterized by having a structure that is larger than the respective duct diameters of the outdoor air outlet and the indoor air inlet that sucks air from the inside of the exhaust air passage.

  As a result, warm air in the ceiling can be used, and there is no mounting of a heater, hot water or refrigerant coil, etc., and the structure is easy, the compactness of the humidifier and product is improved, and the amount of humidification is improved. Therefore, it is possible to reduce the pressure loss in the duct due to the increased air volume for the indoor supply, and to obtain a humidified ventilator that can save energy.

  ADVANTAGE OF THE INVENTION According to this invention, even if it does not mount a heater, warm water, or a refrigerant | coolant coil, the humidification ventilation apparatus which can ensure a humidification amount as needed with a vaporization type humidifier can be provided.

  In addition, since the air volume of the exhaust and the supply air can be controlled, the heat exchange efficiency of the total heat exchanger can be used at an efficient point, so that a humidification ventilator that can humidify even with a small humidifier can be provided.

  Moreover, the humidification ventilation apparatus with a simple product structure and compactness can be provided.

  The present invention relates to a total heat exchanger for exchanging heat between outside air and room air between a supply air passage having an air supply blower for sucking outside air into the room and an exhaust air passage having an exhaust blower for discharging room air to the outside. In the ventilator provided with a humidifier between the indoor air outlet of the supply air passage and the total heat exchanger, the upstream side of the humidifier in the supply air passage from the indoor suction port in the exhaust air passage It is characterized by having a bypass blower for flowing air to the room. By mixing warm air in the room, it is possible to heat the air before humidification without providing a special heating device. It has the effect that humidification is possible with a compact humidifier.

  According to a second aspect of the present invention, there is provided an air temperature detecting means for detecting the temperature of the blown air upstream of the humidifier, and an arithmetic control unit for determining the air flow rate of the bypass blower based on the detected temperature. It is a compact humidifier that can heat the air before humidification without mixing a special heating device by mixing warm air in the room, and the room for heating It can be controlled by the amount of air circulation and has the effect that it can be humidified without applying unnecessary energy.

  According to a third aspect of the present invention, there is provided an exhaust air speed detecting means for detecting an air speed on the downstream side of the total heat exchanger of the exhaust air passage, and an arithmetic control for determining an air volume of the exhaust air blower based on the detected air speed. The air before humidification can be heated without providing a special heating device by mixing indoor warm air, and humidification is possible with a compact humidifier, And it has the effect | action that a predetermined amount of exhaust air volume can be ensured.

  According to a fourth aspect of the present invention, an air supply air speed detecting means for detecting an air speed upstream of the total heat exchanger in the air supply air passage and an air supply amount of the air supply blower are determined by the detected air speed. It is characterized by the fact that it is equipped with a calculation control unit, and by mixing warm air in the room, it is possible to heat the air before humidification without providing a special heating device, and humidification is performed with a compact humidifier. And has the effect of ensuring a predetermined amount of air supply.

  Further, in the invention according to claim 5, the duct connection diameters of the indoor air inlet for sucking air from the room of the exhaust air passage and the air outlet for blowing air to the room of the air supply air passage are the air supply air passage. It is characterized by having a structure larger than the respective duct diameters of the outdoor air inlet for sucking air from the outside and the outdoor air outlet for discharging the air to the outside of the exhaust air passage, and by mixing indoor warm air It becomes a compact humidifier that can heat the air before humidification without installing a special heating device, and the heating amount is humidified by suppressing the pressure loss in the duct piping due to the increase in the circulation amount of the indoor air. Has the effect of being possible.

  According to a sixth aspect of the present invention, the outside air and the room air are heated between the air supply passage having the air supply fan for sucking the outside air into the room and the exhaust air passage having the exhaust fan for discharging the room air to the outside. In a ventilator provided with a total heat exchanger to be exchanged and provided with a humidifier between the indoor air outlet of the supply air passage and the total heat exchanger, for sucking air in the ceiling and flowing the air upstream of the humidifier It is characterized by having a structure with a blower for ceilings in the ceiling, and by mixing warm air in the ceiling, it is possible to heat the air before humidification without providing a special heating device and compact It has the effect that it can be humidified with a humidifier.

  The invention according to claim 7 is an air temperature detecting means for detecting the temperature of the blown air upstream of the humidifier, and an arithmetic control unit for determining the air volume of the ceiling fan based on the detected temperature. It is a compact humidifier that can heat the air before humidification by mixing warm air in the ceiling without providing a special heating device and heating it. Therefore, the amount of air in the ceiling can be controlled, and it is possible to humidify without applying unnecessary energy.

  According to an eighth aspect of the present invention, there is provided an exhaust air speed detecting means for detecting an air speed on the downstream side of the total heat exchanger of the exhaust air passage, and an arithmetic control unit for determining the air volume of the exhaust air blower based on the detected air speed. The air before the humidification can be heated without mixing with a special heating device by mixing warm air in the ceiling, and humidification is possible with a compact humidifier, And it has the effect | action that a predetermined amount of exhaust air volume is securable.

  According to a ninth aspect of the present invention, there is provided an air supply air velocity detecting means for detecting an air velocity upstream of the total heat exchanger in the air supply air passage, and an operation for determining the air volume of the air supply blower based on the detected air velocity. It is characterized by having a control unit, and by mixing warm air in the ceiling, it is possible to heat the air before humidification without providing a special heating device, and humidification is done with a compact humidifier. And has the effect of ensuring a predetermined amount of air supply.

  In the invention according to claim 10, the duct connection diameter of the indoor outlet that blows air into the room of the supply air passage is such that the outdoor air supply port that sucks air from the outside of the supply air passage and the exhaust air passage It is characterized by having a structure larger than the respective duct diameters of the outdoor exhaust port for discharging to the outside and the indoor intake port for sucking air from the room of the exhaust air passage, and by mixing warm air in the ceiling It is possible to heat the air before humidification without providing a special heating device, and it becomes a compact humidifier, and the heating amount can be humidified by suppressing the pressure loss in the duct piping due to the increase in the air amount in the ceiling. It has the effect of being possible.

  Hereinafter, one example of a humidification ventilation device carrying a bypass blower of the present invention is described based on a drawing.

Example 1
As shown in FIG. 1, the entire configuration of the humidification ventilator includes an air supply passage 2 having an air supply blower 1 for sucking outside air into a room, and an exhaust air passage 4 having an exhaust blower 3 for discharging room air to the outside. A total heat exchanger 5 for exchanging heat between outside air and room air is provided. Further, a humidifier 7 is provided between the indoor outlet 6 and the total heat exchanger 5 in the air supply air passage 2. The exhaust air passage 4 is provided with a bypass blower 9 for flowing air from the indoor suction port 8 to the upstream side of the humidifier 7 in the air supply air passage 2. In addition, you may use the damper (not shown) opened only when the bypass air blower 9 drive | operates at the blower outlet or suction inlet of the bypass air blower 9. FIG.

  In such a configuration, the operation in the case where humidification is necessary, that is, in winter will be described. Since the room is heated in winter, warm air in the room is sucked into the exhaust air passage 4 from the indoor air inlet 8. On the other hand, cold outside air is taken into the supply air path 2. The cold outside air and the warm room air are heat-exchanged in the total heat exchanger 5, and the outside air in the supply air passage 2 is warmed. As described above, the air in the supply air passage 2 is warmed by recovering energy from the exhaust from the room, and the amount of humidification when passing through the humidifier 7 is ensured. Next, the bypass blower 9 blows warm indoor air directly into the air supply air path 2 without passing through the total heat exchanger 5. In this way, since the air having a higher temperature is mixed into the supply air passage 2, the amount of humidification can be increased.

  The above operation will be described in more detail. When humidification is necessary in winter, for example, the outside air temperature is 0 ° C and relative humidity is 50% (absolute humidity at this time = 0.0019kg / kg '), and the room temperature is 22 ° C and relative humidity is 40% (absolute humidity at this time). = 0.0066 kg / kg '), even if the exhaust and the supply air are heat exchanged by the total heat exchanger (for example, heat exchange efficiency 70%), the temperature of the air immediately before the humidifier is about 15 ° C relative humidity Although only about 45% (absolute humidity at this time = 0.0051 kg / kg '), by operating the bypass blower 9, indoor heated air (for example, 22 ° C relative humidity 40% RH) is sucked into the room Air that is sucked in from the port 8 and blows warm air to the upstream side of the humidifier 7 via the bypass blower 9 and is supplied from the outdoor air supply port and is heat-exchanged by the total heat exchanger 5. And mix with the same air volume The air sent to the humidifier 7 is 18.5 ° C., relative humidity 43% RH (absolute humidity at this time = 0.0057 kg / kg ′), can be humidified to a required absolute humidity with a saturation efficiency of around 32%, and is heated. The heater, the hot water coil or the refrigerant coil is not mounted, and it is possible to humidify even by vaporization type humidification, so that the lack of humidification can be solved.

(Example 2)
Hereinafter, other examples of the humidification ventilation device of the present invention are described based on a drawing. In addition, the same code | symbol is attached | subjected to the structure which has the same function as the said Example, and description is abbreviate | omitted. Other configurations not shown in the following embodiment are the same as those in the above embodiment.

  As shown in FIG. 2, an air temperature detecting means 10 is provided upstream of the humidifier 7 to detect the air temperature. The arithmetic control unit 11 controls the rotational speed of the bypass blower 9 so that the humidification amount can be secured according to the air temperature detected by the air temperature detection means 10. Further, an exhaust air speed detecting means 12 is provided on the upstream side of the outdoor air outlet 15 in the exhaust air passage 4, and a supply air speed detecting means 13 is also provided on the downstream side of the outdoor air inlet 14 in the air supply air path 2. ing. According to the temperature detected by the exhaust wind speed detection means 12 and the supply air speed detection means 13, the calculation control unit 11 can control the rotation speeds of the exhaust blower 3 and the supply blower 1 so that the exhaust air flow and the supply air flow volume become constant. ing. Further, it is assumed that the supply air volume increases due to the operation of the bypass blower 9, and the duct connection diameters of the indoor outlet 6 and the indoor inlet 8 are increased so that the pressure loss does not increase.

  According to the above configuration, the air temperature upstream of the humidifier 7 is set to a predetermined temperature in consideration of the saturation efficiency of the humidifier 7 at the time when humidification in winter is necessary, for example, when the air condition is the same as in the first embodiment. In order not to become below, the rotation speed of the bypass blower 9 is increased, the amount of warm air heated indoors is increased, and the temperature of the outside air supplied from the outdoor air supply port and heat-exchanged by the total heat exchanger 5 is raised. Thus, it is possible to humidify by vaporization type humidification without mounting a heater, a hot water coil or a refrigerant coil for heating to a temperature at which absolute humidity can be ensured, and it is possible to humidify with the minimum energy of the bypass blower 9 without insufficient humidification. There is an effect.

  Further, even when duct piping is routed or the pressure balance due to the outside air speed is lost, the exhaust air speed detecting means 12 and the air supply air speed detecting means 13 detect the respective air speeds, and the air supply blower 1 and By controlling the rotation speed of the exhaust blower 3 to secure the air volume, there is an effect that reliable humidification can be performed while maintaining a predetermined ventilation air volume.

  Further, since the amount of air circulating in the room increases due to the operation of the bypass blower 9, for example, if the duct connection diameter of the outdoor air supply port 14 and the outdoor exhaust port 15 is 150 mm in diameter, the amount of air circulating in the room is the bypass air blower 9. If the duct connection diameter of the indoor air outlet 6 and the indoor air inlet 8 is set to 200 mm in diameter, the pressure loss does not increase, and the bypass blower 9 does not take useless energy and can be humidified. effective.

(Example 3)
As shown in FIG. 3, a ceiling fan 16 is provided for sucking in-ceiling air and flowing it to the upstream side of the humidifier 7 in the air supply air passage 2. In addition, you may use the damper (not shown) which opens only when the air blower 16 for ceilings drive | operates at the blower outlet or the suction inlet of the air blower 16 for ceilings.

  Air in the ceiling is sucked into the humidification ventilator and blown into the room, but the same amount of air is replenished from the room through the gap such as the system ceiling into the ceiling.

  According to the above configuration, when the humidification in winter is necessary, for example, when the air condition is the same as that in the first embodiment, the air temperature upstream of the humidifier 7 is set to a predetermined temperature in consideration of the saturation efficiency of the humidifier 7. The mixing ratio of the relatively warm air in the ceiling and the air of the outside air supplied from the outdoor air inlet and heat-exchanged in the total heat exchanger 5 by controlling the rotation speed of the blower 16 for the ceiling so as not to become below With the minimum energy of the ceiling blower 16 without the lack of humidification, it is possible to humidify by vaporizing humidification without mounting a heater, a hot water coil or a refrigerant coil for heating to a temperature that can ensure absolute humidity. There is an effect that it can be humidified.

  Further, even when duct piping is routed or the pressure balance due to the outside air speed is lost, the exhaust air speed detecting means 12 and the air supply air speed detecting means 13 detect the respective air speeds, and the air supply blower 1 and By controlling the rotation speed of the exhaust blower 3 to secure the air volume, there is an effect that reliable humidification can be performed while maintaining a predetermined ventilation air volume.

  In addition, when the amount of air passing through the indoor air outlet 6 is doubled by the operation of the ceiling fan 16, for example, the diameter of the duct connection diameter of the indoor air inlet 8, the outdoor air inlet 14, or the outdoor air outlet 15 is 150 mm. Then, if the diameter of the duct connection diameter of the indoor air outlet 6 is set to 200 mm, the pressure loss does not increase, and there is an effect that humidification can be performed without applying unnecessary energy to the blower 16 in the ceiling.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a technical field that requires energy-saving ventilation in which a humidifier that humidifies a room is mounted on a total heat exchanger that exchanges heat between outside air and room air when ventilation is performed.

The block diagram of the humidification ventilation apparatus which shows the internal structure of the humidification ventilation apparatus in Example 1 of this invention The block diagram of the humidification ventilation apparatus which shows the internal structure of the humidification ventilation apparatus in Example 2 of this invention The block diagram of the humidification ventilation apparatus which shows the internal structure of the humidification ventilation apparatus in Example 3 of this invention Configuration diagram of the humidification ventilator showing the internal structure of the conventional humidification ventilator Configuration diagram of the humidification ventilator showing the internal structure of the humidification ventilator using two stages of conventional heat exchangers

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Supply air blower 2 Supply air flow path 3 Exhaust air blower 4 Exhaust air flow path 5 Total heat exchanger 6 Indoor blower outlet 7 Humidifier 8 Indoor inlet 9 Bypass blower 10 Air temperature detection means 11 Computation control part 12 Exhaust wind speed detection means 13 Supply Air wind speed detection means 14 Outdoor air supply port 15 Outdoor exhaust port 16 Blower for ceiling

Claims (10)

A total heat exchanger for exchanging heat between outside air and room air between a supply air passage having an air supply fan for sucking outside air into the room and an exhaust air passage having an exhaust blower for discharging room air to the outside; In a ventilator provided with a humidifier between the indoor air outlet of the supply air passage and the total heat exchanger, air flows from the indoor suction port in the exhaust air passage to the upstream side of the humidifier in the supply air passage A humidifying ventilator characterized in that a bypass blower is provided. The humidification ventilator according to claim 1, further comprising: air temperature detection means for detecting the temperature of the blown air upstream of the humidifier; and an arithmetic control unit for determining the amount of air blown from the bypass blower based on the detected temperature. . The exhaust air speed detection means which detects a wind speed in the downstream of the total heat exchanger of the said exhaust air path, and the calculation control part which determines the ventilation volume of the said exhaust air blower with this detected wind speed were provided. The humidification ventilation device described in 1. 2. An air supply / air speed detection means for detecting an air speed on the upstream side of the total heat exchanger in the air supply air path, and an arithmetic control unit for determining an air flow rate of the air supply blower based on the detected air speed. The humidification ventilation apparatus in any one of -3. Each of the duct connection diameters of the indoor air inlet for sucking air from the room of the exhaust air passage and the indoor air outlet for blowing air to the room of the air supply air passage is an outdoor air inlet for sucking air from the outside of the air supply air passage. The humidifying ventilator according to any one of claims 1 to 4, wherein the humidifying ventilator has a structure that is larger than each duct diameter of an outdoor exhaust port that discharges outside the exhaust air passage. A total heat exchanger for exchanging heat between outside air and room air between a supply air passage having an air supply fan for sucking outside air into the room and an exhaust air passage having an exhaust blower for discharging room air to the outside; In the ventilator provided with a humidifier between the indoor outlet of the supply air passage and the total heat exchanger, a structure provided with a ceiling fan for sucking air in the ceiling and flowing the air upstream of the humidifier A humidifying ventilator characterized by that. The humidification ventilation according to claim 6 provided with the air temperature detection means which detects the temperature of blowing air in the upper stream side of said humidifier, and the operation control part which determines the air volume of said blower for ceilings by this detected temperature. apparatus. The exhaust air speed detection means for detecting the air speed on the downstream side of the total heat exchanger in the exhaust air path, and an arithmetic control unit for determining the air volume of the exhaust air blower based on the detected air speed are provided. The humidified ventilation device described. The supply air speed detection means for detecting the air speed on the upstream side of the total heat exchanger in the supply air path, and the calculation control unit for determining the air volume of the supply air blower based on the detected air speed are provided. The humidification ventilation apparatus in any one of 8. The duct connection diameter of the indoor outlet that blows air into the air supply air passage is configured to have an outdoor air supply port that sucks air from the outside of the exhaust air passage, an outdoor air outlet that discharges the air outside the exhaust air passage, and the supply air The humidifying ventilator according to any one of claims 6 to 9, wherein the humidifying ventilator has a structure that is larger than a diameter of each duct of an indoor suction port that sucks air from a room in an air duct.

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