CN112303787A - Fresh air system - Google Patents
Fresh air system Download PDFInfo
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- CN112303787A CN112303787A CN202011062129.7A CN202011062129A CN112303787A CN 112303787 A CN112303787 A CN 112303787A CN 202011062129 A CN202011062129 A CN 202011062129A CN 112303787 A CN112303787 A CN 112303787A
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Images
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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
- F24F2110/22—Humidity of the outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Central Air Conditioning (AREA)
Abstract
本发明属于新风技术领域，具体提供一种新风系统。本发明旨在解决现有新风系统的湿度调节能力不佳的问题。为此，本发明的新风系统包括壳体以及转动地设置在壳体中的湿度调节构件，壳体中形成有彼此独立设置的第一新风通道、第二新风通道、第三新风通道和第四新风通道，第二新风通道中设置有室内加热构件，第四新风通道中设置有室外加热构件，湿度调节构件能够选择性地转动至第一位置或第二位置并因此改变四个新风通道的连通状态，新风系统通过控制湿度调节构件的转动位置以及室内加热构件和室外加热构件的开闭状态就可以实现加湿功能和除湿功能，以便新风系统能够有效调节新风的湿度而使新风湿度始终维持在适宜范围内，进而有效提升新风的舒适度。
The invention belongs to the technical field of fresh air, and specifically provides a fresh air system. The invention aims to solve the problem of poor humidity regulation capability of the existing fresh air system. To this end, the fresh air system of the present invention includes a housing and a humidity adjustment member rotatably arranged in the housing, and a first fresh air passage, a second fresh air passage, a third fresh air passage and a fourth fresh air passage are formed in the casing which are independently arranged from each other. Fresh air passage, indoor heating member is arranged in the second fresh air passage, outdoor heating member is arranged in the fourth fresh air passage, the humidity adjustment member can be selectively rotated to the first position or the second position and thus change the communication of the four fresh air passages The fresh air system can realize the humidification function and dehumidification function by controlling the rotation position of the humidity adjustment component and the opening and closing states of the indoor heating component and the outdoor heating component, so that the fresh air system can effectively adjust the humidity of the fresh air and keep the fresh air humidity at an appropriate level. within the range, thereby effectively improving the comfort of the fresh air.
Description
Technical Field
The invention belongs to the technical field of fresh air, and particularly provides a fresh air system.
Background
Along with the continuous development of the fresh air technology, users also put forward higher and higher requirements on the quality of the fresh air supplied by the fresh air system. Taking the humidity of the fresh air as an example, when the fresh air system is applied to some areas with excessive humidity or used in rainy seasons with heavy humidity, the introduction of a large amount of humid air inevitably causes discomfort to users; alternatively, when the fresh air system is applied to some areas with too low humidity or used in dry autumn and winter seasons, the introduction of a large amount of dry air also entails user discomfort. Under these circumstances, the humidity adjustment capability of the fresh air system is very important, and the comfort level of the indoor environment can be really improved only when the fresh air system adjusts the humidity of the outdoor air to a proper range and then introduces the outdoor air into the room.
In order to effectively control the humidity of fresh air introduced by a fresh air system, many existing fresh air systems are provided with humidity adjusting devices; however, most of the humidity control devices of the existing fresh air systems only add a humidifying device to achieve the humidifying effect, and do not add a device with the dehumidifying effect to achieve the dehumidifying effect. Consequently, current new trend system can't reach dehumidification effect to the humidification device of current new trend system all need dispose the water tank and use, therefore at the in-process that new trend system realized the humidification function, the user need not add water in the humidifier regularly and just can guarantee the continuous production of water smoke, and still appear atomizing unusual problem very easily after using the humidification function for a long time, therefore its result of use is not ideal.
Accordingly, there is a need in the art for a new ventilation system that addresses the above-mentioned problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem that the humidity adjusting capability of the existing fresh air system is not good and affects the comfort level of the fresh air, the present invention provides a fresh air system, which comprises a housing and a humidity adjusting member rotatably disposed in the housing, wherein a first fresh air channel, a second fresh air channel, a third fresh air channel and a fourth fresh air channel are formed in the housing, the first fresh air channel is communicated with an indoor air outlet, an indoor fresh air unit is disposed in the first fresh air channel, the second fresh air channel is communicated with an indoor air return inlet, an indoor heating member is disposed in the second fresh air channel, the third fresh air channel is communicated with an outdoor air outlet, an outdoor fresh air unit is disposed in the third fresh air channel, the fourth fresh air channel is communicated with an outdoor air inlet, and an outdoor heating member is disposed in the fourth fresh air channel, the humidity adjusting member comprises a first humidity adjusting core and a second humidity adjusting core which are arranged independently of each other, the first humidity adjusting core and the second humidity adjusting core are arranged to be capable of absorbing moisture under non-high temperature air flow to achieve dehumidification and releasing moisture under high temperature air flow to achieve humidification, the humidity adjusting member is arranged such that when the humidity adjusting member is rotated to a first position, the first fresh air channel and the second fresh air channel are communicated through one of the first humidity adjusting core and the second humidity adjusting core and the third fresh air channel and the fourth fresh air channel are communicated through the other of the first humidity adjusting core and the second humidity adjusting core; and when the humidity adjusting member rotates to a second position, the first fresh air channel and the fourth fresh air channel are communicated through one of the first humidity adjusting core and the second fresh air channel and the third fresh air channel are communicated through the other of the first humidity adjusting core and the second humidity adjusting core.
In the preferable technical scheme of the fresh air system, a cavity is formed in the shell, and a first partition plate and a second partition plate which are connected in a cross mode are arranged in the cavity, so that the cavity is divided into a first fresh air channel, a second fresh air channel, a third fresh air channel and a fourth fresh air channel which are independent from each other and distributed around anticlockwise.
In a preferred embodiment of the above fresh air system, the humidity control member is a cylinder, the first humidity control core and the second humidity control core are the same in shape, and a core partition is disposed between the first humidity control core and the second humidity control core.
In the preferable technical scheme of the fresh air system, the first partition plate and the second partition plate are vertically crossed, a gap for accommodating the humidity adjusting component is further arranged at the joint of the first partition plate and the second partition plate, the shape of the gap is matched with that of the humidity adjusting component, under the condition that the humidity adjusting component is installed in place, the crossed shaft of the first partition plate and the second partition plate is superposed with the rotating shaft of the humidity adjusting component, when the core partition plate rotates to be superposed with the plane where the first partition plate is located, the core partition plate is in the first position, and when the core partition plate rotates to be superposed with the plane where the second partition plate is located, the core partition plate is in the second position.
In a preferred technical solution of the above fresh air system, the casing and the cavity are both rectangular parallelepiped in shape, a plane on which the first partition plate is located is parallel to a plane on which a first side surface of the casing is located, a plane on which the second partition plate is located is parallel to a plane on which a second side surface of the casing is located, and a rotation axis of the humidity adjustment member is parallel to a ridge formed by intersection of the first side surface and the second side surface.
In a preferred technical solution of the above fresh air system, the indoor air outlet and the indoor air return inlet are disposed on a first side surface of the casing, and the outdoor air outlet and the outdoor air inlet are disposed on a third side surface of the casing, where the third side surface is a side surface opposite to the first side surface.
In a preferred embodiment of the above fresh air system, an axial dimension of the humidity adjustment member is the same as a width dimension of the cavity.
In a preferred embodiment of the above fresh air system, the radial dimension of the moisture regulating member is greater than two thirds of the height dimension of the cavity.
In a preferred embodiment of the fresh air system, the first humidity adjustment core includes a first substrate and a desiccant attached to the first substrate, and the desiccant is capable of absorbing moisture under a non-high temperature airflow to achieve dehumidification and releasing moisture under a high temperature airflow to achieve humidification; and/or the second humidity-regulating core comprises a second substrate and a desiccant attached to the second substrate, the desiccant being capable of absorbing moisture under a non-high temperature airflow to achieve dehumidification and capable of releasing moisture under a high temperature airflow to achieve humidification.
In a preferred technical solution of the fresh air system, an indoor filtering member is further disposed in the second fresh air channel, and the indoor filtering member is located on an upstream side of the indoor heating member; and/or an outdoor filtering member is further disposed in the fourth fresh air passage, the outdoor filtering member being located on an upstream side of the outdoor heating member.
As can be understood by those skilled in the art, in the technical solution of the present invention, the fresh air system of the present invention includes a housing and a humidity adjusting member rotatably disposed in the housing, wherein a first fresh air channel, a second fresh air channel, a third fresh air channel and a fourth fresh air channel which are disposed independently of each other are formed in the housing, the first fresh air channel is communicated with an indoor air outlet and an indoor fresh air unit is disposed in the first fresh air channel, the second fresh air channel is communicated with an indoor air return inlet and an indoor heating member is disposed in the second fresh air channel, the third fresh air channel is communicated with an outdoor air outlet and an outdoor fresh air unit is disposed in the third fresh air channel, the fourth fresh air channel is communicated with an outdoor air inlet and an outdoor heating member is disposed in the fourth fresh air channel, the humidity adjusting member includes a first humidity adjusting core and a second humidity adjusting core which are disposed independently of each other, the first humidity adjusting core and the second humidity adjusting core are arranged to absorb moisture under non-high-temperature airflow to achieve dehumidification and release moisture under high-temperature airflow to achieve humidification, the humidity adjusting component is arranged to enable the first fresh air channel and the second fresh air channel to be communicated through one of the first humidity adjusting core and the second humidity adjusting core and the third fresh air channel and the fourth fresh air channel to be communicated through the other of the first humidity adjusting core and the second humidity adjusting core when the humidity adjusting component rotates to a first position; and when the humidity adjusting member rotates to a second position, the first fresh air channel and the fourth fresh air channel are communicated through one of the first humidity adjusting core and the second fresh air channel and the third fresh air channel are communicated through the other of the first humidity adjusting core and the second humidity adjusting core. The first fresh air channel, the second fresh air channel, the third fresh air channel and the fourth fresh air channel which are independent from each other are formed in the shell through reasonable design of the internal structure of the shell, and the humidity adjusting component is arranged in the shell, so that the fresh air system can simultaneously have a humidifying function and a dehumidifying function through controlling the rotating position of the humidity adjusting component and the opening and closing states of the indoor heating component and the outdoor heating component, the fresh air system can effectively adjust the humidity of the fresh air based on the structure, the humidity of the fresh air can be always maintained in an appropriate humidity range, and the comfort level of the fresh air is further effectively improved.
Drawings
FIG. 1 is a schematic view of the overall configuration of a humidity conditioning member of the present invention as it rotates to a first position;
FIG. 2 is a schematic view of the humidity conditioning member of the fresh air system of the present invention rotated to a second position;
FIG. 3 is a flow chart of the main steps of the humidity control method of the present invention;
fig. 4 is a flowchart illustrating the detailed steps of a preferred embodiment of the humidity control method of the present invention.
Reference numerals:
1. a housing;
101. a first separator; 102. a second separator;
11. a first fresh air channel; 111. an indoor air outlet; 112. an indoor fresh air handling unit;
12. a second fresh air channel; 121. an indoor return air inlet; 122. an indoor heating member; 123. an indoor filtering member;
13. a third fresh air channel; 131. an outdoor air outlet; 132. an outdoor fresh air handling unit;
14. a fourth fresh air channel; 141. an outdoor air inlet; 142. an outdoor heating member; 143. an outdoor filter member;
15. a humidity adjustment member; 151. a first humidity adjustment core; 152. a second humidity adjustment core; 153. a core spacer; 154. the support is rotated.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. Those skilled in the art can adjust it to suit the specific application according to the actual needs. It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "horizontal", "vertical", "horizontal", "center", "inside", "outside", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring first to fig. 1 and fig. 2, fig. 1 is a schematic view of an overall structure of a humidity adjustment component of a fresh air system according to the present invention when the humidity adjustment component rotates to a first position; fig. 2 is a schematic view of the whole structure of the humidity adjusting member of the fresh air system of the present invention when it is rotated to the second position. Note that, for convenience of illustrating the structure in the housing 1, the front panel portion of the housing 1 is not shown in each of fig. 1 and 2. As shown in fig. 1 and 2, the fresh air system of the present invention includes a housing 1, and a first partition plate 101 and a second partition plate 102 disposed in the housing 1, wherein the housing 1 is a rectangular parallelepiped box structure, so that a rectangular parallelepiped cavity is formed in the housing 1, and the first partition plate 101 and the second partition plate 102 are disposed in the cavity formed in the housing 1 in a cross-connected manner, so that the cavity formed in the housing 1 is divided by the first partition plate 101 and the second partition plate 102 into a first fresh air channel 11, a second fresh air channel 12, a third fresh air channel 13, and a fourth fresh air channel 14, which are independent from each other and are distributed around counterclockwise. Referring to the orientation of the figure, the first fresh air channel 11 is disposed opposite to the second fresh air channel 12 in the vertical direction and is disposed opposite to the fourth fresh air channel 14 in the horizontal direction, and the third fresh air channel 13 is disposed opposite to the fourth fresh air channel 14 in the vertical direction and is disposed opposite to the second fresh air channel 12 in the horizontal direction. It should be noted that, the invention does not limit the specific shape and the specific structure of the housing 1, and the technician can set the shape according to the use requirement, as long as the housing 1 is formed with the first fresh air channel 11, the second fresh air channel 12, the third fresh air channel 13 and the fourth fresh air channel 14 which are independent of each other; for example, the housing 1 may also be cylindrical and internally formed with a cylindrical cavity.
In the preferred embodiment, the first partition board 101 is vertically disposed, the plane where the first partition board 101 is located is parallel to the left side surface and the right side surface of the casing 1, the second partition board 102 is horizontally disposed, and the plane where the second partition board 102 is located is parallel to the top surface and the bottom surface of the casing 1, that is, the first partition board 101 and the second partition board 102 are vertically intersected, so that the rectangular parallelepiped cavity formed in the casing 1 can be divided into four completely identical rectangular parallelepiped fresh air channels by the first partition board 101 and the second partition board 102. Of course, the technician can set the specific shape and the specific structure of the first partition plate 101 and the second partition plate 102 according to the actual use requirement, so as to separate the fresh air channels with different shapes and structures according to the actual use requirement, and the invention does not set any limit on the specific shape and size of the first fresh air channel 11, the second fresh air channel 12, the third fresh air channel 13 and the fourth fresh air channel 14.
In addition, it can be understood by those skilled in the art that, although the first partition plate 101 and the second partition plate 102 which are connected in a cross manner are arranged in the cavity formed by the housing 1 in the preferred embodiment to form the first fresh air channel 11, the second fresh air channel 12, the third fresh air channel 13 and the fourth fresh air channel 14 which are independent from each other, this is not a restrictive arrangement, and the skilled person can set the arrangement according to the actual use requirement as long as the first fresh air channel 11, the second fresh air channel 12, the third fresh air channel 13 and the fourth fresh air channel 14 which are independent from each other can be formed in the housing 1; for example, the technician may also directly design the shape of the housing 1 so that four fresh air channels are directly formed in the housing 1. Changes in this detailed construction can be made without departing from the basic principles of the invention and are intended to be within the scope of the invention.
Based on the arrangement of the first fresh air channel 11, the second fresh air channel 12, the third fresh air channel 13 and the fourth fresh air channel 14, the fresh air system is communicated with different air ports through different fresh air channels. Specifically, based on the orientation in the figure, an indoor air outlet 111 and an indoor air return opening 121 are respectively arranged on the left side surface of the housing 1, the indoor air outlet 111 is arranged above the indoor air return opening 121, and both the indoor air outlet 111 and the indoor air return opening 121 are communicated with the indoor space; the right side of the casing 1 is provided with an outdoor air outlet 131 and an outdoor air inlet 141, respectively, the outdoor air outlet 131 is arranged below the outdoor air inlet 141, and both the outdoor air outlet 131 and the outdoor air inlet 141 are communicated with the outdoor. This preferred embodiment effectively promotes the circulation effect of new trend through above-mentioned mode of setting to effectively promote the circulation volume of new trend in the unit interval. It should be noted that, the above specific setting mode is only a preferred setting mode, but is not limited, and a technician can set the setting position of each tuyere according to the actual use requirement; for example, the indoor outlet 111 and the indoor return air inlet 121 may also be provided on the top surface of the case 1 and the outdoor outlet 131 and the outdoor inlet 141 on the bottom surface of the case 1. Such changes in the specific arrangement position do not depart from the basic principle of the present invention and should fall within the protection scope of the present invention.
Further, as shown in fig. 1 and 2, the first fresh air channel 11 is communicated with the indoor air outlet 111, an indoor fresh air handling unit 112 is disposed in the first fresh air channel 11, an outlet of the indoor fresh air handling unit 112 is disposed opposite to the indoor air outlet 111, and air blown out by the indoor fresh air handling unit 112 is directly blown out through the indoor air outlet 111, so as to reduce attenuation of air volume. The second fresh air channel 12 is communicated with the indoor air return opening 121 so that the indoor air can be sucked into the casing 1 through the indoor air return opening 121; and an indoor heating member 122 is further disposed in the second fresh air channel 12, when the indoor heating member 122 is turned on, the indoor air flows through the indoor heating member 122 to be heated to form a high temperature air flow, and when the indoor heating member 122 is not turned on, the indoor air is not heated by the indoor heating member 122, so that only a non-high temperature air flow is formed. The third fresh air channel 13 is communicated with the outdoor air outlet 131, the outdoor fresh air unit 132 is arranged in the third fresh air channel 13, the outlet of the outdoor fresh air unit 132 is opposite to the outdoor air outlet 131, and air blown out by the outdoor fresh air unit 132 is directly blown out through the outdoor air outlet 131 so as to reduce the attenuation of the air quantity. The fourth fresh air passage 14 communicates with the outdoor intake opening 141 so that outdoor air can be sucked into the casing 1 through the outdoor intake opening 141; and an outdoor heating member 142 is further provided in the fourth fresh air duct 14, when the outdoor heating member 142 is turned on, the outdoor air is heated by the outdoor heating member 142 to form a high temperature air flow, and when the outdoor heating member 142 is not turned on, the outdoor air is not heated by the outdoor heating member 142 and thus only a non-high temperature air flow is formed.
As a preferred embodiment, the indoor heating member 122 includes a back-and-forth bending electric heating tube, the electric heating tube is vertically disposed and directly faces the indoor air return opening 121, and the vertical dimension of the electric heating tube is greater than or equal to the vertical dimension of the indoor air return opening 121, so that the air sucked through the indoor air return opening 121 can be well heated by the electric heating tube, and the gap between the electric heating tubes can effectively ensure the flowing speed of the air flow, thereby effectively ensuring the flowing efficiency of the fresh air. Meanwhile, the outdoor heating member 142 may also include an electric heating pipe bent back and forth, the electric heating pipe is vertically disposed and is just opposite to the outdoor air inlet 141, and the vertical size of the electric heating pipe is greater than or equal to that of the outdoor air inlet 141, so that air sucked through the outdoor air inlet 141 can be well heated by the electric heating pipe, and the gap between the electric heating pipes can effectively ensure the circulation speed of air flow, thereby effectively ensuring the circulation efficiency of fresh air. It should be noted that, a skilled person may set the specific structure and the installation position of the indoor heating member 122 and the outdoor heating member 142 according to the actual use requirement.
In addition, as another preferred embodiment, an indoor filtering member 123 is further disposed in the second fresh air channel 12, the indoor filtering member 123 is located on the upstream side (i.e., the left side in the drawing) of the indoor heating member 122, and the indoor filtering member 123 is vertically disposed and directly faces the indoor air return opening 121, preferably, the vertical dimension of the indoor filtering member 123 is greater than or equal to the vertical dimension of the electric heating pipe of the indoor heating member 122, so that the indoor air sucked through the indoor air return opening 121 can be filtered by the indoor filtering member 123 and then contacts the indoor heating member 122 for heating, thereby improving the cleanliness of the fresh air and effectively protecting the indoor heating member 122, and further effectively ensuring the reliability of heating.
It should be noted that the present invention does not set any limit to the specific type and arrangement manner of the indoor filtering member 123, as long as the indoor filtering member 123 can filter the indoor air sucked through the indoor return air inlet 121; for example, the indoor filtering member 123 may be either a filter screen structure or an activated carbon cartridge, and the indoor filtering member 123 may be directly disposed at the indoor return air opening 121, so that all indoor air sucked through the indoor return air opening 121 may be subjected to a filtering process. All such modifications are intended to be included within the scope of this invention without departing from the spirit and scope of the invention.
Further, as a preferred embodiment, an outdoor filtering member 143 is disposed in the fourth fresh air channel 14, the outdoor filtering member 143 is located on an upstream side (i.e., a right side in the drawing) of the outdoor heating member 142, and the outdoor filtering member 143 is vertically disposed and faces the outdoor air inlet 141, preferably, a vertical dimension of the outdoor filtering member 143 is greater than or equal to a vertical dimension of an electric heating pipe of the outdoor heating member 142, so that outdoor air sucked through the outdoor air inlet 141 can be filtered by the outdoor filtering member 143 and then heated by contacting the outdoor heating member 142, thereby improving a fresh air cleaning degree, and simultaneously effectively protecting the outdoor heating member 142, and further effectively ensuring heating reliability.
It should be noted that the present invention does not limit the specific type and arrangement manner of the outdoor filtering member 143, as long as the outdoor filtering member 143 can filter the outdoor air sucked through the outdoor air inlet 141; for example, the outdoor filter member 143 may be either a filter screen structure or an activated carbon cartridge, and the outdoor filter member 143 may be directly disposed at the outdoor intake opening 141 so that all outdoor air sucked through the outdoor intake opening 141 may be filtered. All such modifications are intended to be included within the scope of this invention without departing from the spirit and scope of the invention.
Referring next to fig. 1 and 2, the fresh air system of the present invention further includes a humidity adjustment member 15 rotatably disposed in the housing 1, the humidity adjustment member 15 includes a first humidity adjustment core 151 and a second humidity adjustment core 152 disposed independently of each other, and a core partition 153 is disposed between the first humidity adjustment core 151 and the second humidity adjustment core 152, so as to effectively isolate the first humidity adjustment core 151 and the second humidity adjustment core 152, thereby better ensuring a humidity adjustment function. The first humidity adjusting core 151 and the second humidity adjusting core 152 are configured to absorb moisture under non-high temperature airflow to achieve dehumidification and release moisture under high temperature airflow to achieve humidification, so that the fresh air system can have both humidification and dehumidification functions through the humidity adjusting member 15, that is, the fresh air system can achieve indoor humidity adjustment only by using moisture in the external environment; and based on this kind of structure, the user need not constantly to add water or constantly change the effect that absorbs water the component just can realize humidity control to reach energy saving and effect of facilitating the use. In addition, the first humidity control core 151, the second humidity control core 152 and the core partition 153 are further provided with a rotating bracket 154 at the outside thereof, the shape of the rotating bracket 154 is matched with the outside shapes of the first humidity control core 151, the second humidity control core 152 and the core partition 153 to realize fixed connection, and the rotating shaft of the rotating bracket 154 is connected with a driving motor, and the fresh air system can control the rotating position of the humidity control member 15, that is, the distribution positions of the first humidity control core 151 and the second humidity control core 152, by controlling the rotating angle of the driving shaft of the driving motor. Of course, this is not a restrictive arrangement, but the skilled person may also realize a rotational connection in other ways, as long as the humidity adjustment member 15 is rotatably arranged in the housing 1.
It should be noted that, although the core partition 153 is disposed between the first humidity conditioning core 151 and the second humidity conditioning core 152 in the preferred embodiment, this is not restrictive, and the skilled person may also put the first humidity conditioning core 151 and the second humidity conditioning core 152 in a state of being disposed independently of each other by other means; for example, a gap is provided between the first humidity conditioning core 151 and the second humidity conditioning core 152. In addition, the present invention does not limit the specific shape, size and material of the core partition 153, and the skilled person can set the shape, size and material according to the actual use requirement.
Specifically, in the present preferred embodiment, the shape of the humidity adjustment member 15 is cylindrical, that is, the cross-sectional shape of the humidity adjustment member 15 is circular (as shown in fig. 1 and 2), the rotation axis of the humidity adjustment member 15 and the edge formed by the intersection of the left side surface and the top surface of the housing 1 are parallel, in other words, the rotation axis of the humidity adjustment member 15 is perpendicular to the plane where the front panel of the housing 1 is located, and the shapes of the first humidity adjustment core 151 and the second humidity adjustment core 152 are the same, that is, the shapes of the first humidity adjustment core 151 and the second humidity adjustment core 152 are both cylinders having a semicircular cross-sectional shape. It should be noted that this shape setting is only a preferred setting, and the technician can adjust it according to the actual use requirement. The joint of the first partition plate 101 and the second partition plate 102 is provided with a notch for accommodating the humidity adjusting component 15, the shape of the notch is matched with the shape of the humidity adjusting component 15, and under the condition that the humidity adjusting component 15 is installed in place, the crossed shaft of the first partition plate 101 and the second partition plate 102 is superposed with the rotating shaft of the humidity adjusting component 15, so that the volume of the humidity adjusting component 15 in each fresh air channel is the same, and the humidity adjusting effect is effectively ensured. And under the condition that humidity control component 15 installed in place, humidity control component 15 just in time block between first baffle 101 and second baffle 102, and there is almost no clearance between humidity control component 15 and first baffle 101 and the second baffle 102 promptly to make four new trend passageways can only pass through first humidity control core 151 and second humidity control core 152 intercommunication, thereby effectively guarantee that the new trend all can carry out humidity control through humidity control component 15 and handle.
As a preferable arrangement, the axial dimension of the humidity adjusting member 15 is the same as the width dimension of the rectangular parallelepiped cavity formed by the housing 1, so that the processing effect and the processing efficiency of the humidity adjusting member 15 are effectively ensured. It should be noted that the width dimension mentioned here refers to the depth dimension in fig. 1 and fig. 2, i.e. the distance between the front panel and the rear panel of the housing 1, and does not set any limit to the dimensional relationship between the sides of the housing 1, i.e. the width mentioned here may be larger than the length dimension of the housing 1 (i.e. the distance between the left side and the right side), and the specific dimension can be set by the skilled person according to the actual use requirement.
Further, as a preferable arrangement, the radial dimension of the humidity adjusting member 15 is set to be larger than two thirds of the height dimension of the rectangular parallelepiped cavity formed by the housing 1, so as to effectively improve the processing efficiency. It should be noted that the height dimension mentioned here refers to the vertical dimension in fig. 1 and 2, i.e. the distance between the top plate and the bottom plate of the housing 1, and does not set any limit to the dimension relationship between the sides of the housing 1, i.e. the height mentioned here can be larger than the length dimension of the housing 1 (i.e. the distance between the left side and the right side), and the technician can set the specific dimension according to the actual use requirement.
Finally, it should be noted that, a technician may set the specific structure of the first humidity adjustment core 151 and the second humidity adjustment core 152 according to the actual use requirement, as long as the first humidity adjustment core 151 and the second humidity adjustment core 152 can absorb moisture under the non-high temperature air flow to achieve dehumidification and can release moisture under the high temperature air flow to achieve humidification. As a preferred embodiment, the first humidity conditioning wick 151 includes a first substrate and a desiccant attached to the first substrate, and the second humidity conditioning wick 152 includes a second substrate and a desiccant attached to the second substrate, and the desiccant is capable of absorbing moisture under a non-high temperature airflow to achieve dehumidification and releasing moisture under a high temperature airflow to achieve humidification. Preferably, the first substrate and the second substrate are made of ceramic fiber, glass fiber paper or aluminum foil, and the selection of these materials is not limited, and the skilled person can set the specific structure of the first substrate and the second substrate according to the actual use requirement. The desiccant is preferably made of materials such as silica gel, molecular sieves, zeolite, MOF materials or composite salts, the materials are all characterized in that moisture can be absorbed in non-high-temperature airflow to achieve dehumidification and moisture can be released under the high-temperature airflow to achieve humidification, and the materials are large in water absorption amount, so that the moisture absorption efficiency can be effectively improved, and the dehumidification efficiency and the humidification efficiency are effectively improved. Of course, the selection of these materials is not limited, and the skilled person can adjust the materials according to the actual use requirement, and can also mix a plurality of materials to prepare the desiccant.
Based on the above structure, when the humidity adjusting member 15 rotates to the first position (such as the position shown in fig. 1), the core partition 153 is vertically disposed, the plane of the core partition 153 coincides with the plane of the first partition 101, the first humidity adjusting core 151 and the second humidity adjusting core 152 are distributed in a left-right opposite manner, in this case, the first fresh air channel 11 and the second fresh air channel 12 are communicated through one of the first humidity adjusting core 151 and the second humidity adjusting core 152, the third fresh air channel 13 and the fourth fresh air channel 14 are communicated through the other one of the first humidity adjusting core 151 and the second humidity adjusting core 152, and the left and right positions of the first humidity adjusting core 151 and the second humidity adjusting core 152 are exchanged once every time the core partition 153 rotates by 180 °; based on this, the first fresh air channel 11 and the second fresh air channel 12 on the left side of the core partition 153 are communicated to adjust the humidity of the indoor air, and the third fresh air channel 13 and the fourth fresh air channel 14 on the right side of the core partition 153 are communicated to absorb or release moisture from or to the outdoor air, so that the humidity adjustment is performed in an internal circulation manner, so that the humidity adjustment is performed without causing a large influence on the indoor temperature while adjusting the humidity. When the humidity adjusting member 15 rotates to the second position (such as the position shown in fig. 2), the core partition 153 is horizontally disposed, the plane of the core partition 153 coincides with the plane of the second partition 102, the first humidity adjusting core 151 and the second humidity adjusting core 152 are distributed in a vertically opposite manner, in this case, the first fresh air channel 11 and the fourth fresh air channel 14 are communicated through one of the first humidity adjusting core 151 and the second humidity adjusting core 152, the second fresh air channel 12 and the third fresh air channel 13 are communicated through the other of the first humidity adjusting core 151 and the second humidity adjusting core 152, and the vertical positions of the first humidity adjusting core 151 and the second humidity adjusting core 152 are interchanged once every time the core partition 153 rotates 180 degrees; based on this, the first fresh air channel 11 and the fourth fresh air channel 14 above the core partition 153 are communicated so as to blow moisture in outdoor air into the room or introduce moisture in outdoor air into the room after absorbing the moisture in the outdoor air, and the second fresh air channel 12 and the third fresh air channel 13 below the core partition 153 are communicated so as to blow moisture in indoor air into the room or blow moisture in indoor air into the room after absorbing the moisture in the indoor air, so that humidity adjustment is performed in an external circulation manner so as to effectively introduce fresh air while adjusting humidity.
In addition, the fresh air system further comprises an indoor humidity detection element and an outdoor humidity detection element, wherein the indoor humidity detection element can detect indoor relative humidity and indoor moisture content, and the outdoor humidity detection element can detect outdoor moisture content; and the fresh air system further comprises a controller, the controller can acquire the detection of the indoor humidity detection element and the outdoor humidity detection element, and the controller can also control the operation state of each element in the fresh air system, for example, control the rotation position of the humidity adjusting member 15, control the opening and closing state of the indoor heating member 122 and the outdoor heating member 142, and the like. It can be understood by those skilled in the art that the present invention does not limit the specific structure and model of the controller, and the controller may be the original controller of the fresh air system, or may be a controller separately configured to execute the humidity control method of the present invention, and the skilled person can set the specific structure and model of the controller according to the actual use requirement.
Referring next to fig. 3, fig. 3 is a flow chart illustrating the main steps of the humidity control method of the present invention. As shown in fig. 3, based on the fresh air system described in the above preferred embodiment, the humidity control method of the present invention mainly includes the following steps:
s1: acquiring a fresh air supply demand;
s2: controlling the rotation position of the humidity adjusting component according to the acquisition result of the fresh air supply requirement;
s3: acquiring indoor relative humidity;
s4: the opening and closing states of the indoor heating member and the outdoor heating member are controlled according to the rotational position of the humidity adjusting member and the indoor relative humidity.
It should be noted that, although the humidity control method described in this embodiment is described based on the fresh air system described in the above preferred embodiment, it is obviously not necessary for the fresh air system to have the structure described in the above preferred technical solution to implement the humidity control method of the present invention, and a technician can adjust the specific structure of the fresh air system according to actual use requirements as long as the fresh air system can implement the humidity control method.
In step S1, the controller can obtain a fresh air supply requirement to determine whether the fresh air system needs to perform an inner or outer loop, and thus determine the rotation position of the humidity adjustment member. It should be noted that, the invention does not limit the specific way for the controller to obtain the fresh air supply requirement, and technicians can set the fresh air supply requirement according to actual use requirements; for example, the controller may determine the fresh air supply requirement according to the air supply mode selected by the user, or may automatically determine the fresh air supply requirement according to the indoor air quality, and these obtaining manners are not limited.
Based on the acquisition result of step S1, in step S2, the controller can control the rotational position of the humidity adjusting member 15 according to the acquisition result of the fresh air supply demand; it should be noted that, the present invention does not limit the specific control logic, and a technician can set the specific control logic according to the actual use requirement and the actual structure of the fresh air system, as long as the fresh air system can achieve the effect of controlling whether fresh air is introduced by controlling the rotation position of the humidity adjustment member 15.
As a preferred embodiment, the manners of controlling the rotational position of the humidity adjustment member 15 according to the acquisition result of the fresh air supply demand mainly include the following two manners:
the first mode is as follows: if the result is that there is no fresh air supply requirement, the controller controls the humidity adjustment member 15 to rotate to a first position (the position shown in fig. 1); in this case, the core partition 153 is vertically disposed, the plane where the core partition 153 is located coincides with the plane where the first partition 101 is located, the first humidity control core 151 and the second humidity control core 152 are distributed in a left-right opposite distribution manner, the first fresh air channel 11 and the second fresh air channel 12 are communicated through one of the first humidity control core 151 and the second humidity control core 152, the third fresh air channel 13 and the fourth fresh air channel 14 are communicated through the other one of the first humidity control core 151 and the second humidity control core 152, and the left and right positions of the first humidity control core 151 and the second humidity control core 152 are exchanged once when the core partition 153 rotates 180 degrees; based on this, the first fresh air channel 11 and the second fresh air channel 12 on the left side of the core partition 153 are communicated to adjust the humidity of the indoor air, and the third fresh air channel 13 and the fourth fresh air channel 14 on the right side of the core partition 153 are communicated to absorb or release moisture from or to the outdoor air, so that the humidity adjustment is performed in an internal circulation manner, so that the humidity adjustment is performed without causing a large influence on the indoor temperature while adjusting the humidity.
The second way is: if the acquisition result is that there is a fresh air supply demand, the controller controls the humidity adjustment member 15 to rotate to a second position (the position shown in fig. 2); in this case, the core partition 153 is horizontally disposed, the plane where the core partition 153 is located coincides with the plane where the second partition 102 is located, the first humidity control core 151 and the second humidity control core 152 are distributed in a vertically opposite manner, the first fresh air channel 11 and the fourth fresh air channel 14 are communicated with each other through one of the first humidity control core 151 and the second humidity control core 152, the second fresh air channel 12 and the third fresh air channel 13 are communicated with each other through the other of the first humidity control core 151 and the second humidity control core 152, and the vertical positions of the first humidity control core 151 and the second humidity control core 152 are interchanged once when the core partition 153 rotates 180 degrees; based on this, the first fresh air channel 11 and the fourth fresh air channel 14 above the core partition 153 are communicated so as to blow moisture in outdoor air into the room or introduce moisture in outdoor air into the room after absorbing the moisture in the outdoor air, and the second fresh air channel 12 and the third fresh air channel 13 below the core partition 153 are communicated so as to blow moisture in indoor air into the room or blow moisture in indoor air into the room after absorbing the moisture in the indoor air, so that humidity adjustment is performed in an external circulation manner so as to effectively introduce fresh air while adjusting humidity.
After determining the rotation position of the humidity adjusting member 15, step S3 is executed, in which the controller obtains the indoor relative humidity through the indoor humidity detecting element. It should be noted that, the invention does not limit the acquisition mode of the indoor relative humidity, and the technicians can set the acquisition mode according to the actual use requirements; and the present invention does not limit the execution timing of step S3, as long as step S3 is executed before step S4, and the technician can set the execution timing according to the actual use requirement, for example, step S3 can also be executed synchronously with step S1.
Next, in step S4, the controller can control the opening and closing states of the indoor heating member 122 and the outdoor heating member 142 according to the rotation position of the humidity adjustment member 15 and the indoor relative humidity, so as to perform the dehumidification function or the humidification function according to the humidity adjustment requirement, thereby effectively controlling the humidity of the fresh air, and further controlling the indoor humidity to be always maintained within a suitable range to the maximum extent, so as to effectively improve the user experience. It can be understood by those skilled in the art that the specific control logic involved in this step must be set in combination with the specific structure of the fresh air system, and therefore, the skilled person can set the specific control logic according to the specific structure of the fresh air system.
Referring finally to fig. 4, fig. 4 is a flow chart illustrating the steps of a preferred embodiment of the humidity control method of the present invention. As shown in fig. 4, based on the fresh air system described in the above preferred embodiment, the preferred embodiment of the present invention specifically includes the following steps:
s101: acquiring fresh air supply demand and indoor relative humidity;
s102: if the fresh air supply requirement exists, the humidity adjusting component is rotated to a second position;
s103: if the fresh air supply requirement does not exist, the humidity adjusting component is rotated to the first position;
s104: if the indoor relative humidity is less than the first preset relative humidity, closing the indoor heating component and opening the outdoor heating component;
s105: if the indoor relative humidity is greater than the second preset relative humidity, opening the indoor heating component and closing the outdoor heating component;
s106: if the indoor relative humidity is greater than the third preset relative humidity and less than the fourth preset relative humidity, closing the indoor heating member and the outdoor heating member;
s107: if the indoor relative humidity is less than the fifth preset relative humidity, opening the indoor heating component and closing the outdoor heating component;
s108: if the indoor relative humidity is greater than the sixth preset relative humidity, closing the indoor heating component and opening the outdoor heating component;
s109: if the indoor relative humidity is greater than the seventh preset relative humidity and less than the eighth preset relative humidity, closing the indoor heating member and the outdoor heating member;
s110: acquiring indoor moisture content and outdoor moisture content;
s111: calculating the absolute value of the difference between the indoor moisture content and the outdoor moisture content;
s112: controlling the switching frequency of the humidity adjusting component and the operation gears of the indoor fresh air unit and the outdoor fresh air unit according to the range of the absolute value;
s1121: if the absolute value is greater than or equal to the first preset value, the humidity adjusting component exchanges the positions of the first humidity adjusting core body and the second humidity adjusting core body at a first preset switching frequency, and the indoor fresh air handling unit and the outdoor fresh air handling unit both operate at a high level;
s1122: if the absolute value is greater than the second preset value and less than the first preset value, the humidity adjusting component exchanges the positions of the first humidity adjusting core body and the second humidity adjusting core body at a first preset switching frequency, and the indoor fresh air handling unit and the outdoor fresh air handling unit operate at a low gear;
s1123: if the absolute value is less than or equal to the second preset value, the humidity adjusting component is enabled to change the positions of the first humidity adjusting core body and the second humidity adjusting core body at a second preset switching frequency, and the indoor fresh air unit and the outdoor fresh air unit are enabled to operate at low gears.
In step S101, the controller can obtain a fresh air supply requirement, and obtain an indoor relative humidity through the indoor humidity detection element. The controller can judge whether the fresh air system needs to carry out inner circulation or outer circulation according to the fresh air supply requirement, so as to judge the rotating position of the humidity adjusting component and judge the humidity adjusting requirement according to the indoor relative humidity. It should be noted that, the invention does not limit the specific way for the controller to obtain the fresh air supply requirement, and technicians can set the fresh air supply requirement according to actual use requirements; for example, the controller may determine the fresh air supply requirement according to the air supply mode selected by the user, or may automatically determine the fresh air supply requirement according to the indoor air quality, and these obtaining manners are not limited. In addition, the invention does not limit the acquisition mode and the acquisition time of the indoor relative humidity, and technicians can set the acquisition mode and the acquisition time according to actual use requirements; for example, the step of acquiring the indoor relative humidity may also be performed after step S102 and step S103.
Based on the acquisition result of the fresh air supply demand, in step S102, if the acquisition result is that there is a fresh air supply demand, the controller controls the humidity adjustment member 15 to rotate to the second position (the position shown in fig. 1); in this case, the core partition 153 is vertically disposed, a plane where the core partition 153 is located coincides with a plane where the first partition 101 is located, the first humidity control core 151 and the second humidity control core 152 are distributed in a left-right opposite distribution manner, the first fresh air channel 11 and the second fresh air channel 12 are communicated through one of the first humidity control core 151 and the second humidity control core 152, the third fresh air channel 13 and the fourth fresh air channel 14 are communicated through the other one of the first humidity control core 151 and the second humidity control core 152, and the left and right positions of the first humidity control core 151 and the second humidity control core 152 are exchanged once when the core partition 153 rotates 180 degrees; based on this, the first fresh air channel 11 and the second fresh air channel 12 on the left side of the core partition 153 are communicated to adjust the humidity of the indoor air, and the third fresh air channel 13 and the fourth fresh air channel 14 on the right side of the core partition 153 are communicated to absorb or release moisture from or to the outdoor air, so that the humidity adjustment is performed in an internal circulation manner, so that the humidity adjustment is performed without causing a large influence on the indoor temperature while adjusting the humidity.
In the case that the humidity adjusting member 15 is rotated to the second position, the controller controls the open and closed states of the indoor heating member 122 and the outdoor heating member 142 in combination with the indoor relative humidity, which specifically includes the following three control manners:
in step S104, if the controller determines that the indoor relative humidity is less than the first preset relative humidity, the indoor heating member 122 is controlled to be turned off and the outdoor heating member 142 is controlled to be turned on, and the fresh air system executes an external circulation humidification mode, that is, the fresh air system can introduce fresh air and play a humidification effect, so as to effectively improve the comfort level of the fresh air. Specifically, as an example, in this case, the first fresh air channel 11 and the fourth fresh air channel 14 are communicated through the first humidity adjustment core 151, the second fresh air channel 12 and the third fresh air channel 13 are communicated through the second humidity adjustment core 152, the indoor heating member 122 is turned off, and the outdoor heating member 142 is turned on; based on this, the outdoor air enters the fourth fresh air channel 14 through the outdoor air inlet 141 under the drainage action of the indoor fresh air handling unit 112, and then flows through the outdoor heating member 142 to be heated after being filtered by the outdoor filtering member 143 to form a high temperature air flow, the high temperature air flow passes through the first humidity adjusting core 151 so that the first humidity adjusting core 151 can release moisture in the high temperature air flow, and the humidified air flow enters the first fresh air channel 11 and enters the room through the indoor air outlet 111 to achieve the effects of introducing fresh air and humidifying; indoor air enters the second fresh air channel 12 through the indoor air return opening 121 under the drainage effect of the outdoor fresh air unit 132, and because the indoor heating member 122 is in a closed state at the moment, non-high-temperature air flow filtered by the indoor filtering member 123 directly passes through the second humidity adjusting core body 152 so that the second humidity adjusting core body 152 can absorb moisture in the air flow, and the air flow after moisture removal enters the third fresh air channel 13 and is discharged through the outdoor air outlet 131, so that indoor moisture loss is effectively prevented. After the upper and lower positions of the first humidity control core 151 and the second humidity control core 152 are exchanged, the moisture absorbed in the second humidity control core 152 can return to the indoor environment, and the moisture carried in the outdoor fresh air can enter the indoor environment, so that the humidifying function is effectively realized under the condition of no need of water adding.
It should be noted that, the specific value of the first preset relative humidity is not limited, and a technician can set the value according to actual use requirements; as a preferred arrangement, the first predetermined relative humidity is set to 15%.
In addition, it should be noted that the present invention does not impose any limitation on the specific control logic after the outdoor heating component 142 is turned on, and as a preferred arrangement, the outdoor heating component 142 is controlled to be turned off after the temperature near the outdoor heating component 142 exceeds a first preset heating temperature, and the outdoor heating component 142 is controlled to be turned on after the temperature near the outdoor heating component 142 is lower than a second preset heating temperature, so as to achieve the energy saving effect, wherein the first preset heating temperature is higher than the second preset heating temperature, and the second preset heating temperature is set according to the desorption characteristic of the desiccant, and preferably, the second preset heating temperature is set to be 70 ℃.
In step S105, if the controller determines that the indoor relative humidity is greater than the second preset relative humidity, the indoor heating member 122 is controlled to be turned on and the outdoor heating member 142 is controlled to be turned off, and the fresh air system executes an external circulation dehumidification mode, that is, the fresh air system can introduce fresh air and can play a dehumidification effect, so as to effectively improve the comfort level of the fresh air. Specifically, as an example, in this case, the first fresh air channel 11 and the fourth fresh air channel 14 are communicated through the first humidity adjustment core 151, the second fresh air channel 12 and the third fresh air channel 13 are communicated through the second humidity adjustment core 152, the indoor heating member 122 is turned on, and the outdoor heating member 142 is turned off; based on this, the outdoor air enters the fourth fresh air channel 14 through the outdoor air inlet 141 under the drainage action of the indoor fresh air handling unit 112, because the outdoor heating member 142 is in the closed state at this time, the non-high temperature air flow filtered by the outdoor filtering member 143 directly passes through the first humidity adjusting core 151 so that the first humidity adjusting core 151 can absorb moisture in the air flow, and the dehumidified air flow enters the first fresh air channel 11 and enters the room through the indoor air outlet 111 so as to effectively prevent outdoor moisture from entering the room while introducing fresh air; the indoor air enters the second fresh air channel 12 through the indoor air return opening 121 under the drainage effect of the outdoor fresh air unit 132, and is filtered by the indoor filtering member 123 and then flows through the indoor heating member 122 to be heated so as to form high-temperature air flow, and the high-temperature air flow passes through the second humidity adjusting core 152 so that the second humidity adjusting core 152 can release moisture in the high-temperature air flow, so that the moisture in the indoor air is discharged outdoors, and the dehumidification effect is effectively realized. After the upper and lower position interchange of first humidity control core 151 and second humidity control core 152, second humidity control core 152 can replace first humidity control core 151 to continue to absorb the moisture in the outdoor air to it is indoor effectively to prevent outdoor moisture entering, and first humidity control core 151 can replace second humidity control core 152 to continue to discharge the moisture in the indoor air into outdoors, and then effectively realizes the dehumidification effect.
It should be noted that, the specific value of the second preset relative humidity is not limited in the present invention, and the technician can set the value according to the actual use requirement; as a preferred arrangement, the second predetermined relative humidity is set at 70%.
In addition, it should be noted that, the present invention does not impose any limitation on the specific control logic after the indoor heating member 122 is turned on, and as a preferred arrangement, the indoor heating member 122 is controlled to be turned off after the temperature near the indoor heating member 122 exceeds a third preset heating temperature, and the indoor heating member 122 is controlled to be turned on after the temperature near the indoor heating member 122 is lower than a fourth preset heating temperature, so as to achieve the energy saving effect, wherein the third preset heating temperature is higher than the fourth preset heating temperature, and the fourth preset heating temperature is set according to the desorption characteristics of the desiccant, and preferably, the fourth preset heating temperature is set to be 70 ℃.
In step S106, if the controller determines that the indoor relative humidity is greater than the third preset relative humidity and less than the fourth preset relative humidity, the indoor humidity is just suitable, at this time, the indoor heating member 122 and the outdoor heating member 142 are both controlled to be closed, and the fresh air system executes an external circulation fresh air mode, that is, the fresh air system only plays a role of introducing fresh air. Specifically, as an example, in this case, the first fresh air channel 11 and the fourth fresh air channel 14 are communicated through the first humidity adjustment core 151, the second fresh air channel 12 and the third fresh air channel 13 are communicated through the second humidity adjustment core 152, and both the indoor heating member 122 and the outdoor heating member 142 are turned off; because the capacity of the first humidity adjustment core 151 and the second humidity adjustment core 152 to absorb moisture is limited, when the first humidity adjustment core 151 and the second humidity adjustment core 152 are in a saturated state, the first humidity adjustment core 151 and the second humidity adjustment core 152 do not absorb moisture any more, the first humidity adjustment core 151 and the second humidity adjustment core 152 only correspond to one ventilation channel, outdoor air enters the fourth fresh air channel 14 through the outdoor air inlet 141 under the drainage action of the indoor fresh air handling unit 112, enters the first fresh air channel 11 through the first humidity adjustment core 151 after being filtered by the outdoor filter member 143 and enters the room through the indoor air outlet 111 to achieve the effect of introducing fresh air, and indoor air enters the second fresh air channel 12 through the indoor air return opening 121 under the drainage action of the outdoor fresh air handling unit 132, enters the third fresh air channel 13 through the second humidity adjustment core 152 after being filtered by the indoor filter member 123 and passes through the room The air outlet 131 is discharged, thereby effectively realizing the ventilation effect.
It should be noted that, in the present invention, no limitation is imposed on specific values of the third preset relative humidity and the fourth preset relative humidity, and a technician can set the values according to actual use requirements; in a preferred arrangement, the third predetermined relative humidity is set to 45% and the fourth predetermined relative humidity is set to 70%.
Based on the acquisition result of the fresh air supply demand, in step S103, if the acquisition result is that there is no fresh air supply demand, when the controller controls the humidity adjustment component 15 to rotate to the first position (such as the position shown in fig. 1), the core partition 153 is vertically disposed and the plane of the core partition 153 coincides with the plane of the first partition 101, the first humidity adjustment core 151 and the second humidity adjustment core 152 are distributed in a left-right opposite manner, in this case, the first fresh air channel 11 and the second fresh air channel 12 are communicated through one of the first humidity conditioning core 151 and the second humidity conditioning core 152, the third fresh air channel 13 and the fourth fresh air channel 14 are communicated through the other of the first humidity conditioning core 151 and the second humidity conditioning core 152, and the left and right positions of the first humidity adjustment core 151 and the second humidity adjustment core 152 are exchanged once every time the core partition 153 rotates by 180 degrees; based on this, the first fresh air channel 11 and the second fresh air channel 12 on the left side of the core partition 153 are communicated to adjust the humidity of the indoor air, and the third fresh air channel 13 and the fourth fresh air channel 14 on the right side of the core partition 153 are communicated to absorb or release moisture from or to the outdoor air, so that the humidity adjustment is performed in an internal circulation manner, so that the humidity adjustment is performed without causing a large influence on the indoor temperature while adjusting the humidity.
In the case that the humidity adjusting member 15 is rotated to the first position, the controller controls the open and close states of the indoor heating member 122 and the outdoor heating member 142 in combination with the indoor relative humidity, which specifically includes the following three control modes:
in step S107, if the controller determines that the indoor relative humidity is less than the fifth preset relative humidity, the indoor heating member 122 is controlled to be turned on and the outdoor heating member 142 is controlled to be turned off, and the fresh air system executes an internal circulation humidification mode, that is, the fresh air system realizes a humidification effect without introducing fresh air, so that the humidification effect is ensured and the indoor temperature is not affected. Specifically, as an example, in this case, the first fresh air channel 11 and the second fresh air channel 12 are communicated through the first humidity adjustment core 151, the third fresh air channel 13 and the fourth fresh air channel 14 are communicated through the second humidity adjustment core 152, the indoor heating member 122 is turned on, and the outdoor heating member 142 is turned off; based on this, the indoor air enters the second fresh air channel 12 through the indoor air return opening 121 under the drainage action of the indoor fresh air unit 112, and then flows through the indoor heating member 122 to be heated after being filtered by the indoor filtering member 123 to form a high-temperature air flow, the high-temperature air flow passes through the first humidity adjusting core 151 so that the first humidity adjusting core 151 can release moisture in the high-temperature air flow, and the humidified air flow enters the first fresh air channel 11 and enters the room through the indoor air outlet 111 to achieve the effects of introducing fresh air and humidifying; outdoor air enters the fourth fresh air channel 14 through the outdoor air inlet 141 under the drainage effect of the outdoor fresh air unit 132, and because the outdoor heating member 142 is in a closed state, non-high-temperature air flow filtered by the outdoor filtering member 143 directly passes through the second humidity adjusting core 152 so that the second humidity adjusting core 152 can absorb moisture in the air flow, so that moisture in the outdoor air can be continuously input indoors to achieve a humidifying effect, and the air flow with the moisture removed enters the third fresh air channel 13 and is discharged through the outdoor air outlet 131, so that the outdoor air flow with the moisture can be continuously input. After the left and right positions of the first humidity control core 151 and the second humidity control core 152 are exchanged, the moisture absorbed in the second humidity control core 152 can be continuously input into the room, and the first humidity control core 151 can continuously absorb the moisture contained in the outdoor air, so that the humidification function is effectively realized without adding water. It should be noted that, the specific value of the fifth preset relative humidity is not limited, and a technician can set the value according to actual use requirements; as a preferred arrangement, the fifth predetermined relative humidity is set to 15%.
In step S108, if the controller determines that the indoor relative humidity is greater than the sixth preset relative humidity, the indoor heating member 122 is controlled to be closed and the outdoor heating member 142 is controlled to be opened, the fresh air system executes the internal circulation dehumidification mode, that is, the fresh air system plays a dehumidification effect without introducing fresh air, so that the indoor temperature is not affected while the dehumidification effect is ensured. Specifically, as an example, in this case, the first fresh air channel 11 and the second fresh air channel 12 are communicated through the first humidity adjustment core 151, the third fresh air channel 13 and the fourth fresh air channel 14 are communicated through the second humidity adjustment core 152, the indoor heating member 122 is turned off, and the outdoor heating member 142 is turned on; based on this, the indoor air enters the second fresh air channel 12 through the indoor air return opening 121 under the drainage action of the indoor fresh air unit 112, because the indoor heating member 122 is in the closed state at this time, the non-high temperature air flow filtered by the indoor filtering member 123 directly passes through the first humidity adjusting core 151 so that the first humidity adjusting core 151 can absorb the moisture in the air flow, and the dehumidified air flow enters the first fresh air channel 11 and enters the room through the indoor air outlet 111, so as to continuously absorb the moisture in the indoor air; outdoor air enters the fourth fresh air channel 14 through the outdoor air inlet 141 under the drainage effect of the outdoor fresh air unit 132, and flows through the outdoor heating member 142 to be heated after being filtered by the outdoor filtering member 143 to form high-temperature air flow, and the high-temperature air flow passes through the second humidity adjusting core 152 so that the second humidity adjusting core 152 can release moisture in the high-temperature air flow, so that the moisture in the indoor air is continuously discharged outdoors, and the dehumidification effect is effectively realized. After the left and right positions of the first humidity control core 151 and the second humidity control core 152 are exchanged, the second humidity control core 152 can replace the first humidity control core 151 to continue to absorb moisture in the outdoor air, so that moisture in the indoor air is effectively removed, the first humidity control core 151 can replace the second humidity control core 152 to continue to discharge moisture in the indoor air to the outdoor, and the dehumidification effect is effectively achieved. It should be noted that, the specific value of the sixth preset relative humidity is not limited, and a technician can set the value according to actual use requirements; as a preferred arrangement, the sixth predetermined relative humidity is set to 70%.
In step S109, if the controller determines that the indoor relative humidity is greater than the seventh preset relative humidity and less than the eighth preset relative humidity, that is, the indoor humidity is just proper, and the fresh air system does not need to introduce fresh air, the controller controls the indoor heating member 122 and the outdoor heating member 142 to be both closed, so that the indoor and the outdoor are not communicated with each other, so as to effectively maintain the indoor temperature and humidity, and further effectively achieve energy saving.
Based on the above steps, in the case where the indoor heating member 122 or the outdoor heating member 142 is turned on, that is, in the case where any one of the steps S104, S105, S107 and S108 is performed, the step S110 is performed, that is, the controller can acquire the indoor moisture content and the outdoor moisture content. It should be noted that, the present invention does not limit any specific way in which the controller can obtain the indoor moisture content and the outdoor moisture content, and the technical staff can set the method according to the actual use requirement; for example, the controller may first obtain the indoor temperature and the indoor relative humidity through the sensor, and then calculate the indoor moisture content through the indoor temperature and the indoor relative humidity; accordingly, the controller may first obtain the outdoor temperature and the outdoor relative humidity through the sensor, and then calculate the outdoor moisture content through the outdoor temperature and the outdoor relative humidity. It should be noted that such specific acquisition mode changes do not depart from the basic principle of the present invention, and belong to the protection scope of the present invention.
Under the condition that the indoor moisture content and the outdoor moisture content are obtained, the controller can control the switching frequency of the humidity adjusting component 15 and/or the operation gears of the indoor fresh air unit 112 and the outdoor fresh air unit 132 according to the indoor moisture content and the outdoor moisture content, so that the humidity adjusting efficiency is improved to the maximum extent. It should be noted that, a technician may set a specific control logic according to actual use requirements and a specific structure of the fresh air system.
As a preferred embodiment, in the case where the indoor moisture content and the outdoor moisture content are acquired, step S111 is performed in which the controller calculates an absolute value of a difference between the indoor moisture content and the outdoor moisture content. Then, in step S112, the controller controls the switching frequency of the humidity adjusting member 15 and the operation steps of the indoor fresh air unit 112 and the outdoor fresh air unit 132 according to the range in which the absolute value is located.
Note that, in the case where the humidity adjusting member 15 is rotated to the first position, the left and right positions of the first humidity adjusting core 151 and the second humidity adjusting core 152 are exchanged every time the core partition 153 is rotated by 180 °; and in the case where the humidity adjusting member 15 is rotated to the second position, the up-down positions of the first humidity adjusting core 151 and the second humidity adjusting core 152 are interchanged every time the core partition 153 is rotated by 180 °; this frequency of rotating the core partition 153 by 180 ° and thus interchanging the positions of the first humidity conditioning core 151 and the second humidity conditioning core 152 is the switching frequency of the humidity conditioning member 15.
In addition, in the preferred embodiment, the indoor fresh air handling unit 112 and the outdoor fresh air handling unit 132 are both provided with two gears, i.e. a low gear and a high gear, and the blade rotation speed when the indoor fresh air handling unit 112 and the outdoor fresh air handling unit 132 operate in the low gear is less than the blade rotation speed when the indoor fresh air handling unit 112 and the outdoor fresh air handling unit 132 operate in the high gear. Of course, the setting manner is not limited, and technicians may set the gear parameters of the indoor fresh air handling unit 112 and the outdoor fresh air handling unit 132 according to actual use requirements, or may set the rotation speeds of the indoor fresh air handling unit 112 and the outdoor fresh air handling unit 132 to be stepless adjustment. Changes in this arrangement do not depart from the basic concept of the present invention and fall within the scope of the invention.
Further, as a preferred embodiment, step S112 specifically includes the following three control manners:
in step S1121, if the controller determines that the absolute value is greater than or equal to the first preset value, it indicates that the difference between the indoor humidity and the outdoor humidity is large, in this case, the controller controls the humidity adjusting member 15 to change the positions of the first humidity adjusting core 151 and the second humidity adjusting core 152 at the first preset switching frequency, and controls the indoor fresh air handling unit 112 and the outdoor fresh air handling unit 132 to operate at a high level, so as to effectively ensure the humidity adjusting efficiency of the fresh air system. It should be noted that, the specific value of the first preset value is not limited in the present invention, and the technical staff can set the value according to the actual use requirement. In addition, the specific value of the first preset switching frequency is not limited, and technicians can set the value according to actual use requirements; preferably, the first preset switching frequency is 0.5 Hz.
In step S1122, if the controller determines that the absolute value is greater than the second preset value and less than the first preset value, it indicates that the difference between the indoor humidity and the outdoor humidity is moderate, in this case, the controller controls the humidity adjusting member 15 to change the positions of the first humidity adjusting core 151 and the second humidity adjusting core 152 at the first preset switching frequency, and the indoor fresh air handling unit 112 and the outdoor fresh air handling unit 132 both operate at a low gear, so as to achieve energy saving as much as possible while ensuring the humidity adjusting effect. It should be noted that, the specific value of the second preset value is not limited in the present invention, and the technical staff can set the value according to the actual use requirement.
In step S1123, if the controller determines that the absolute value is smaller than or equal to the second preset value, it indicates that the difference between the indoor humidity and the outdoor humidity is small, in this case, the controller controls the humidity adjusting member 15 to change the positions of the first humidity adjusting core 151 and the second humidity adjusting core 152 at the second preset switching frequency, and controls the indoor fresh air handling unit 112 and the outdoor fresh air handling unit 132 to operate at the low gear, so as to achieve energy saving as much as possible while ensuring the humidity adjusting effect. It should be noted that, the present invention does not limit the specific value of the second preset switching frequency, and a technician can set the value according to actual requirements, as long as the first preset switching frequency is greater than the second preset switching frequency; preferably, the second preset switching frequency is 0.2 Hz.
In addition, as another preferred embodiment, the controller can set the switching frequency of the humidity adjustment member 15 and the blade rotation speeds of the indoor fresh air unit 112 and the outdoor fresh air unit 132 according to the magnitude of the absolute value; specifically, the larger the absolute value is, the higher the switching frequency of the humidity adjustment component 15 is, and the larger the blade rotation speeds of the indoor fresh air unit 112 and the outdoor fresh air unit 132 are, so that the humidity adjustment efficiency of the fresh air system is always adapted to a specific use situation, and the humidity adjustment effect of the fresh air system is further improved to the greatest extent.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
Priority Applications (1)
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| CN202011062129.7A CN112303787A (en) | 2020-09-30 | 2020-09-30 | Fresh air system |
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| CN202011062129.7A CN112303787A (en) | 2020-09-30 | 2020-09-30 | Fresh air system |
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| CN112303787A true CN112303787A (en) | 2021-02-02 |
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| CN202011062129.7A Pending CN112303787A (en) | 2020-09-30 | 2020-09-30 | Fresh air system |
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| CN112944499A (en) * | 2021-03-01 | 2021-06-11 | 青岛海尔空调电子有限公司 | Fresh air system and control method thereof |
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Application publication date: 20210202 |
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