An air conditioning ventilator includes a ventilation unit, an air conditioning unit and a bypass channel. The ventilation unit has an air supply channel configured to supply air from an outdoor space to a target space, and an air supply fan configured to create a first airflow from the outdoor spac
An air conditioning ventilator includes a ventilation unit, an air conditioning unit and a bypass channel. The ventilation unit has an air supply channel configured to supply air from an outdoor space to a target space, and an air supply fan configured to create a first airflow from the outdoor space to the target space within the air supply channel. The air conditioning unit has an intake channel configured to take in air from the target space, a temperature regulator configured to regulate the temperature of air that has passed through the intake channel, a discharge channel configured to discharge temperature-adjusted air that has been regulated by the temperature regulator to the target space, and an air-conditioning fan configured to create a second airflow from the intake channel to the discharge channel via the temperature regulator. The bypass channel bypassed the air supply channel and the discharge channel.
대표청구항▼
1. An air-conditioning ventilator for performing air conditioning and ventilation in a target space, the air conditioning Ventilator comprising: a ventilation unit including an air supply channel configured to supply air from an outdoor space to the target space,an air supply fan configured to creat
1. An air-conditioning ventilator for performing air conditioning and ventilation in a target space, the air conditioning Ventilator comprising: a ventilation unit including an air supply channel configured to supply air from an outdoor space to the target space,an air supply fan configured to create a first airflow from the outdoor space to the target space within the air supply channel,an air exhaust channel configured to discharge air in the target space to the outdoor space,an air discharge fan configured to create a third airflow from the target space to the outdoor space in the air exhaust channel, anda heat exchanging unit configured to conduct heat exchange while suppressing mixing between the first airflow in the air supply channel and the third airflow in the air exhaust channel;an air-conditioning unit including an intake channel configured to take in air from the target space,a temperature regulator configured to regulate the temperature of air that has passed through the intake channel,a discharge channel configured to discharge temperature-adjusted air that has been regulated by the temperature regulator to the target space, andan air-conditioning fan configured to create a second airflow from the intake channel to the discharge channel via the temperature regulator;a bypass channel bypassing the discharge channel and connecting to a part of the air supply channel between the outdoor space and the heat exchanging unit, an airflow path being formed from the outdoor space through the heat exchanging unit to the target space and from the target space through the air-conditioning unit and through the bypass channel to the air supply channel,the bypass channel being configured to create an airflow of the temperature-adjusted air from the discharge channel to the air supply channel between the outdoor space and the heat exchanging unit; the bypass channel has a bypass damper with a passage surface area that can be varied, anda confluent air temperature detector configured to detect temperature in the air supply channel between a confluence portion associated with the bypass channel and the heat exchanging unit—a discharged air temperature detector configured to detect temperature in the air discharge channel between the target space and the heat exchanging unit; and a shutoff controller configured to close the bypass damper when a difference between the temperature detected by the discharged air temperature detector and the temperature detected by the confluent air temperature detector is less than a predetermined value. 2. The air-conditioning ventilator according to claim 1, wherein the bypass channel has a bypass damper with a passage surface area that can be varied. 3. The air-conditioning ventilator according to claim 1, wherein the bypass channel has a bypass damper with a passage surface area that can be varied; and the air-conditioning ventilator further comprisesa target temperature detector configured to detect temperature of the target space;an outdoor temperature detector configured to detect temperature of the outdoor space; andan opening closing controller configured to close the bypass damper when a difference between the temperature detected by the target temperature detector and the temperature detected by the outdoor temperature detector is less than a predetermined value. 4. The air-conditioning ventilator according to claim 1, further comprising: an air discharge damper with a passage surface area that can be varied, the air discharge damper being provided in the air discharge channel; andan air discharge damper shutoff controller configured to close the air discharge damper when a difference between the temperature detected by the discharged air temperature detector and the temperature detected by the confluent air temperature detector is less than a predetermined value. 5. The air-conditioning ventilator according to claim 4, wherein the air discharge damper is provided in the air discharge channel between the target space and the heat exchanging unit. 6. The air-conditioning ventilator according to claim 1, further comprising: a branching air discharge channel configured to connect upstream and downstream sides of the heat exchanging unit so as not to pass through the heat exchanging unit;a branching air discharge damper with a passage surface area that can be varied, the branching air discharge damper being provided in the branching air discharge channel; anda branching air discharge damper opening controller configured to open the branching air discharge damper when a difference between the temperature detected by the discharged air temperature detector and the temperature detected by the confluent air temperature detector is less than a predetermined value. 7. The air-conditioning ventilator according to claim 6, wherein the branching air discharge damper is configured to switch between a first state in which the air discharge channel and the heat exchanging unit are connected, anda second state in which the air discharge channel and the branching air discharge channel are connected. 8. The air-conditioning ventilator according to claim 1, further comprising: a positive pressure controller configured to perform an airflow rate control operation such that a bypass channel side has positive pressure with respect to the air supply channel. 9. The air-conditioning ventilator according to claim 1, further comprising: a target temperature detector configured to detect temperature of the target space;an outdoor temperature detector configured to detect temperature of the outdoor space; andan airflow rate reduction controller configured to perform a control operation in order to reduce an air supply rate while ensuring that the bypass channel has positive pressure with respect to the air supply channel when a difference between the temperature detected by the target temperature detector and the temperature detected by the outdoor temperature detector is less than a predetermined value. 10. The air-conditioning ventilator according to claim 1, further comprising: and an airflow rate adjustment controller configured to perform a control operation in order to reduce an air supply rate while ensuring that the bypass channel has positive pressure with respect to the air supply channel when a difference between the temperature detected by the discharged air temperature detector and the temperature detected by the confluent air temperature detector is less than a predetermined value. 11. The air-conditioning ventilator according to claim 1, further comprising: an air supply detector configured to detect startup of the air supply fan; anda startup controller configured to increase an amount of air flowing from the bypass channel to the air supply channel when the air supply detector has detected startup of the air supply fan. 12. The air-conditioning ventilator according to claim 1, further comprising: an air supply detector configured to detect a predetermined operating state of the air supply fan; andan operation positive pressure controller configured to perform a control operation such that an airflow rate of the air supply fan is greater than an airflow rate of the air discharge fan when the air supply detector has detected the predetermined operating state of the air supply fan. 13. The air-conditioning ventilator according to claim 1, further comprising: an airflow rate controller configured to control a flow rate of supplied air passing through the bypass channel from the air-conditioning unit toward the ventilation unit. 14. The air-conditioning ventilator according to claim 13, further comprising: an outdoor sensor configured to detect outdoor information, the outdoor sensor including at least one of an outdoor temperature detector configured to detect temperature of the outdoor space as the outdoor information, andan outdoor humidity detector configured to detect humidity of the outdoor space as the outdoor information; and whereinthe airflow rate controller is further configured to control the flow rate of the supplied air in accordance with the outdoor information detected by the outdoor sensor. 15. The air-conditioning ventilator according to claim 14, further comprising: an indoor sensor configured to detect indoor information, the indoor sensor including at least one of an indoor temperature detector configured to detect temperature of the indoor space as the indoor information, andan indoor humidity detector configured to detect the humidity of the indoor space as the indoor information; and whereinthe airflow rate controller is further configured to control the flow rate of the supplied air in accordance with a relationship between the outdoor information detected by the outdoor sensor and the indoor information detected by the indoor sensor. 16. The air-conditioning ventilator according to claim 13, further comprising: an air supply port sensor configured to detect air supply port information, the air supply port sensor including at least one of an air supply port temperature detector configured to detect temperature in the air supply channel between the outdoor space and a confluence portion associated with the bypass channel as the air supply port information, andan air supply port humidity detector configured to detect humidity in the air supply channel between the outdoor space and the confluence portion associated with the bypass channel as the air supply port information; and whereinthe airflow rate controller is further configured to control the flow rate of the supplied air in accordance with the air supply port information detected by the air supply port sensor. 17. The air-conditioning ventilator according to claim 16, further comprising: an outdoor sensor configured to detect outdoor information, the outdoor sensor including at least one of an outdoor temperature detector configured to detect outdoor temperature as the outdoor information, andan outdoor humidity detector configured to detect outdoor humidity as the outdoor information; and whereinthe airflow rate controller is further configured to control the flow rate of the supplied air in accordance with a relationship between the air supply port information detected by the air supply port sensor and the outdoor information detected by the outdoor sensor. 18. The air-conditioning ventilator according to claim 13, further comprising: a confluence sensor configured to detect confluence information, the confluence sensor including at least one of the confluent air temperature detector configured to detect temperature in the air supply channel between the confluence portion associated with the bypass channel and the heat exchanging unit as the confluence information, anda confluence humidity detector configured to detect humidity in the air supply channel between the confluence portion associated with the bypass channel and the heat exchanging unit as the confluence information; and whereinthe airflow rate controller is further configured to control the flow rate of the supplied air in accordance with the confluence information detected by the confluence sensor. 19. The air-conditioning ventilator according to claim 18, further comprising: an air supply port sensor configured to detect air supply port information, the air supply port sensor including at least one of an air supply port temperature detector configured to detect temperature in the air supply channel between the outdoor space and the confluence portion associated with the bypass channel as the air supply port information, andan air supply port humidity detector configured to detect humidity in the air supply channel between the outdoor space and the confluence portion associated with the bypass channel as the air supply port information; and whereinthe airflow rate controller is further configured to control the flow rate of the supplied air in accordance with a relationship between the confluence information detected by the confluence sensor and the air supply port information detected by the air supply port sensor. 20. The air-conditioning ventilator according to claim 1, wherein the air supply fan has an air supply fan motor configured to adjust an airflow rate of the first airflow by varying rotational speed of the of the air supply fan motor; and the air-conditioning ventilator further comprisesan air supply port sensor configured to detect air supply port information, the air supply port sensor including at least one of an air supply port temperature detector configured to detect temperature in the air supply channel between the outdoor space and a confluence portion associated with the bypass channel as the air supply port information, andan air supply port humidity detector configured to detect humidity in the air supply channel between the outdoor space and the confluence portion associated with the bypass channel as the air supply port information;a discharge channel sensor configured to detect discharge channel information, the discharge channel sensor including at least one of a discharge channel temperature detector configured to detect temperature of air passing through the discharge channel as the discharge channel information, anda discharge channel humidity detector configured to detect humidity of air passing through the discharge channel as the discharge channel information; anda confluence calculator configured to calculate either temperature or humidity of air passing through a point of confluence between the air supply channel and the bypass channel based on the air supply port information, the discharge channel information, and the rotational speed of the air supply fan motor. 21. The air-conditioning ventilator according o claim 1, wherein the bypass channel has a bypass damper with a surface area that can be varied, and a bypass fan with a passage airflow rate that can be varied by varying rotational speed of a bypass fan motor;the air supply fan has an air supply fan motor configured to vary a passage airflow rate of the first airflow in the air supply channel by varying rotational speed of the of the air supply fan motor; andthe air-conditioning ventilator further comprisesa setting receiver configured to receive input information for at least one of a set temperature and a set humidity in the target space;an indoor discharge sensor configured to detect indoor discharge information, the indoor discharge sensor including at least one of an indoor discharge temperature detector configured to detect temperature of air passing through a discharge space in the air supply channel between the heat exchanging unit and the target space as the indoor discharge information, andan indoor discharge humidity detector configured to detect humidity of air passing through the discharge space as the indoor discharge information; anda discharge controller configured to adjust at least one of the degree of opening of the bypass damper,the rotational speed of the bypass fan motor, andthe rotational speed of the air supply fan motorsuch that the indoor discharge information detected by the indoor discharge sensor approaches the input information received by the setting receiver.
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이 특허에 인용된 특허 (6)
Lee,Gi Seop; Kim,Kyung Hwan; Kim,Jeong Yong, Air conditioning and ventilating system.
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