CN114322104A - Fresh air dehumidification all-in-one - Google Patents
Fresh air dehumidification all-in-one Download PDFInfo
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- CN114322104A CN114322104A CN202111634628.3A CN202111634628A CN114322104A CN 114322104 A CN114322104 A CN 114322104A CN 202111634628 A CN202111634628 A CN 202111634628A CN 114322104 A CN114322104 A CN 114322104A
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 64
- 238000002156 mixing Methods 0.000 claims abstract description 51
- 238000005192 partition Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 13
- 238000005057 refrigeration Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a fresh air dehumidification integrated machine which comprises a fresh air channel, a circulating air channel, an exhaust channel and an air mixing cavity which are arranged in a machine shell, wherein outdoor fresh air flows into the air mixing cavity through the fresh air channel, indoor air flows into the air mixing cavity through the circulating air channel, the fresh air and the circulating air are mixed in the air mixing cavity and then flow into a room, a first heat exchanger is arranged in the fresh air channel, a second heat exchanger is arranged in the circulating air channel, and a third heat exchanger is arranged in the air mixing cavity. Through setting up a plurality of heat exchangers, realize multistage dehumidification, avoid great fluctuation to appear in the indoor temperature when introducing the new trend simultaneously.
Description
Technical Field
The invention relates to the technical field of air conditioning, in particular to a fresh air dehumidification integrated machine.
Background
The traditional fresh air machine does not have the function of processing the internal circulation air of the air conditioner, and a user needs to select the mode of matching the fresh air machine with the air conditioner for installation, so that the fresh air machine with the functions of integrating fresh air and the air conditioner can be produced at the same time.
The existing fresh air circulation all-in-one machine is generally that indoor circulating air and introduced fresh air are directly mixed, and the mixed air is cooled and heated through a heat exchanger. The single heat exchanger is difficult to meet the requirements of random switching and free combination of indoor circulating air and introduced fresh air, and the indoor temperature can fluctuate greatly. In addition, a single heat exchanger cannot meet the dehumidification requirement even under extreme conditions such as indoor high humidity and outdoor high humidity. In addition, if indoor circulating air and introduced fresh air are directly mixed, condensation is easily generated, and the reliability of the machine is affected.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
Aiming at the problems pointed out in the background art, the invention provides a fresh air dehumidification integrated machine, which realizes multi-stage dehumidification by arranging a plurality of heat exchangers and simultaneously avoids large fluctuation of indoor temperature when fresh air is introduced.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
in some embodiments of this application, a new trend dehumidification all-in-one is provided, includes:
the air conditioner comprises a shell, a fan and a fan, wherein a fresh air channel, a circulating air channel, an exhaust air channel and an air mixing cavity are arranged in the shell;
outdoor fresh air flows into the air mixing cavity through the fresh air channel, indoor air flows into the air mixing cavity through the circulating air channel, and the fresh air and circulating air are mixed in the air mixing cavity and then flow into the room;
the fresh air channel is internally provided with a first heat exchanger, the circulating air channel is internally provided with a second heat exchanger, and the air mixing cavity is internally provided with a third heat exchanger.
In some embodiments of the application, when the fresh air dehumidification integrated machine is in a fresh air mode, the first heat exchanger is opened as required according to the humidity of fresh air in the fresh air channel so as to adjust the humidity of the fresh air;
and the third heat exchanger is opened according to the temperature of the fresh air as required so as to adjust the temperature of the gas flowing into the room.
In some embodiments of the application, the first heat exchanger is closed when the fresh air dehumidification all-in-one machine is in a circulating air mode;
the second heat exchanger is started according to the humidity of the circulating air in the circulating air channel as required to adjust the humidity of the circulating air;
and the third heat exchanger is opened according to the temperature of the circulating air as required to regulate the temperature of the gas flowing into the room.
In some embodiments of the present application, the fresh air dehumidification integrated machine is operated in a fresh air + circulating air mode,
the first heat exchanger is opened according to the humidity of the fresh air in the fresh air channel as required to adjust the humidity of the fresh air;
the second heat exchanger is started according to the humidity of the circulating air in the circulating air channel as required to adjust the humidity of the circulating air;
and the third heat exchanger is opened according to the temperature of the gas in the air mixing cavity as required so as to adjust the temperature of the gas flowing into the room.
In some embodiments of the present application, the inside of the casing is divided into a first cavity and a second cavity by a partition plate;
the air exhaust channel is arranged in the first cavity;
the fresh air channel comprises an one-section fresh air channel and a two-section fresh air channel which are communicated, the one-section fresh air channel is arranged in the first cavity, the two-section fresh air channel is arranged in the circulating air channel and the air mixing cavity is arranged in the second cavity, the two-section fresh air channel is arranged in the circulating air channel and the air mixing cavity are separated through a partition plate, and the first heat exchanger is arranged in the two-section fresh air channel.
In some embodiments of the present application, a heat exchange element is further disposed in the first cavity, and the fresh air channel and the exhaust air channel respectively pass through the heat exchange element.
In some embodiments of the present application, the air mixing cavity and the air exhaust channel are respectively provided with a fan therein.
In some embodiments of the present application, fans are respectively disposed in the fresh air channel section, the circulating air channel and the exhaust channel.
In some embodiments of the present application, a bypass channel is disposed in the first cavity, an inlet of the bypass channel is communicated with an inlet of the fresh air channel, and an outlet of the bypass channel is communicated with the circulating air channel;
outdoor fresh air flows indoors through one of the fresh air channel and the bypass channel.
Compared with the prior art, the invention has the advantages and positive effects that:
in the new trend dehumidification all-in-one that this application disclosed, be equipped with first heat exchanger in the new trend passageway, be equipped with the second heat exchanger in the circulation wind channel, be equipped with the third heat exchanger in the air mixing chamber. The first heat exchanger is used for adjusting the humidity and the temperature of new trend, and the second heat exchanger is used for adjusting the humidity and the temperature of circulated air, and the third heat exchanger is used for adjusting the humidity and the temperature of mixed air intracavity gas, and each heat exchanger is opened as required, realizes multistage dehumidification, avoids great fluctuation to appear in indoor temperature when introducing the new trend simultaneously.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a fresh air dehumidification integrated machine according to a first embodiment;
FIG. 2 is a schematic view of a gas flow path in a circulating air mode of the fresh air and dehumidification integrated machine according to the first embodiment;
FIG. 3 is a schematic view of a gas flow path in a fresh air mode of the fresh air dehumidification all-in-one machine according to the first embodiment;
FIG. 4 is a schematic view of a gas flow path in a fresh air + circulating air mode of the fresh air dehumidification integrated machine according to the first embodiment;
FIG. 5 is a schematic structural diagram of a fresh air and dehumidification integrated machine according to the second embodiment;
FIG. 6 is a schematic view of a gas flow path in a fresh air mode of the fresh air dehumidification integrated machine according to the second embodiment;
FIG. 7 is a schematic view of a gas flow path in a fresh air + circulating air mode of the fresh air dehumidification integrated machine according to the second embodiment;
FIG. 8 is a schematic structural diagram of a fresh air and dehumidification integrated machine according to the third embodiment;
FIG. 9 is a flow chart of the operation principle of the integrated fresh air and moisture removal machine according to the embodiment;
FIG. 10 is a flow chart illustrating the operation principle of fresh air + circulating air under the refrigeration condition according to the embodiment;
FIG. 11 is a flow chart illustrating the operation principle of fresh air + circulating air under the heating condition according to the embodiment;
FIG. 12 is a flow chart illustrating the operation principle of fresh air + circulating air and fresh air only under the non-cooling dehumidification condition according to the embodiment;
FIG. 13 is a flow chart illustrating the principle of operation of the circulating air under refrigeration according to an embodiment;
FIG. 14 is a flow chart illustrating the principle of operation of the circulating air under heating conditions according to an embodiment;
FIG. 15 is a flow chart illustrating the operation principle of the circulating air under the non-cooling dehumidification and machine-off conditions according to the embodiment.
Reference numerals:
100-a fresh air channel, 110-a fresh air channel section, 120-a fresh air channel section and 130-a fresh air inlet;
200-a circulating air channel, 210-a circulating air inlet;
300-an exhaust channel, 310-a dirty air inlet and 320-a dirty air outlet;
400-air mixing cavity, 410-air mixing outlet;
510-a first motor, 520-a second motor, 530-a third motor, 540-a fourth motor;
610-first air valve, 620-second air valve, 630-third air valve, 640-fourth air valve, 650-bypass air valve;
700-a bypass channel;
810-a first heat exchanger, 820-a second heat exchanger, 830-a third heat exchanger, 840-a heat exchange element;
900-case, 910-first cavity, 920-second cavity, 930-first partition, 940-second partition, 950-third partition.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
The embodiment discloses a fresh air dehumidification all-in-one machine, referring to fig. 1, a fresh air channel 100, a circulating air channel 200, an exhaust air channel 300 and an air mixing cavity 400 are formed in a machine shell 900 through partition plates.
The fresh air channel 100 and the circulating air channel 200 are respectively communicated with the air mixing cavity 400, and fresh air in the fresh air channel 100 and circulating air in the circulating air channel 200 are mixed in the air mixing cavity 400 and then flow into a room.
The indoor dirty air is discharged to the outside through the exhaust passage 300. Outdoor fresh air flows into the air mixing cavity 400 through the fresh air channel 100 and then flows into the room. The indoor air circulates through the circulation air passage 200 into the air mixing chamber 400 and then flows into the indoor.
The fresh air channel 100 is internally provided with a first heat exchanger 810, the circulating air channel 200 is internally provided with a second heat exchanger 820, and the air mixing cavity 400 is internally provided with a third heat exchanger 530.
In some embodiments of the present application, with continued reference to fig. 1, the inside of the casing 900 is divided into a first cavity 910 and a second cavity 920 arranged in a left-right manner by a partition (denoted as a first partition 930).
The exhaust duct 300 is disposed in the first chamber 910, and a dirty air inlet 310 and a dirty air outlet 320 are disposed on a wall plate enclosing the first chamber 910, and dirty air in the room enters the exhaust duct 300 through the dirty air inlet 310 and is exhausted to the outside through the dirty air outlet 320, as shown in fig. 3.
The fresh air channel 100 comprises a fresh air channel section 110 and a fresh air channel section 120 which are communicated, and the fresh air channel section 110 is arranged in the first cavity 910. The fresh air channel second section 120, the circulating air channel 200 and the air mixing cavity 400 are arranged in the second cavity 920, and the fresh air channel second section 120, the circulating air channel 200 and the air mixing cavity 400 are separated by a partition plate. Specifically, the air mixing cavity 400 is separated from the fresh air channel second segment 120 and the circulating air channel 200 by a second partition 940, and the fresh air channel second segment 120 is separated from the circulating air channel 200 by a third partition 950.
The wall plate enclosing the first cavity 910 is provided with a fresh air inlet 130, the first partition 930 is provided with a communication port (not labeled) to communicate the fresh air channel segment 110 with the fresh air channel segment 120, and the wall plate enclosing the second cavity 920 is provided with a circulating air inlet 210 and a mixed air outlet 410. The air mixing outlet 410 is provided with a plurality of air outlets, so that the air outlet effect is improved.
Outdoor fresh air flows into the fresh air channel section 110 through the fresh air inlet 130, flows into the air mixing cavity 400 through the communication port and the fresh air channel section 120, and then flows into the room through the air mixing outlet 410, as shown in fig. 3.
The indoor circulating air flows into the circulating air channel 200 through the circulating air inlet 210, and then flows into the indoor through the air mixing cavity 400 and the air mixing outlet 410 in a circulating manner, referring to fig. 2.
In some embodiments of the present application, referring to fig. 3, a heat exchange element 840 is further disposed in the first cavity 910, the fresh air channel segment 110 and the exhaust air channel 300 respectively pass through the heat exchange element 840, and heat exchange is performed between the fresh air and the exhaust air at the heat exchange element 840, which is helpful for reducing energy consumption.
In some embodiments of the present application, the communicating position between the one section 110 of the fresh air channel and the two sections 120 of the fresh air channel is provided with an air valve (denoted as a first air valve 610), the inlet of the one section of the fresh air channel (i.e., the fresh air inlet 130), the inlet of the circulating air duct, and the outlet of the exhaust channel 300 are respectively provided with an air valve, specifically, the circulating air inlet 210 is provided with a second air valve 620, the dirty air outlet 320 is provided with a third air valve 630, and the fresh air inlet 130 is provided with a fourth air valve 640, so as to realize independent control of each channel.
The inlets of the fresh air channel segment 110 and the circulating air channel 200 are respectively provided with a filtering piece (not shown) for respectively filtering fresh air and circulating air, so that the air cleanliness is improved.
For the setting mode of the fan, this embodiment provides two modes of the fan and three modes of the fan.
Referring to fig. 1, at this time, fans are respectively disposed in the air mixing chamber 400 and the air exhaust channel 300, the fan in the air exhaust channel 300 is denoted as a first fan 510, and the fan in the air mixing chamber 400 is denoted as a second fan 520. The dirty indoor air flows to the outdoor side by the first fan 510, and the fresh outdoor air and/or the indoor air flows to the indoor side by the second fan 520.
Outdoor fresh air and circulating air share one fan, so that the cost is saved, and the energy consumption is reduced.
Referring to fig. 8, fans are respectively arranged in the exhaust channel 300, the fresh air channel second section 120 and the circulating air channel 200, the fan in the exhaust channel 300 is marked as a first fan 510, the fan in the fresh air channel second section 120 is marked as a third fan 530, and the fan in the circulating air channel 200 is marked as a fourth fan 540. The indoor dirty air flows to the outdoor side by the first fan 510, the outdoor fresh air flows to the indoor side by the third fan 530, and the indoor circulating air flows to the indoor side by the fourth fan 540.
The structural style of the three fans enables outdoor fresh air and indoor circulating air to be controlled by the independent fans respectively, the fresh air and the circulating air are mixed in the air mixing cavity 400, and no fan is arranged in the air mixing cavity 400, so that the problems of condensation and power utilization risks caused by the fact that the fresh air and the circulating air share one fan in the prior art are effectively solved.
In some embodiments of the present application, referring to fig. 5, a bypass channel 700 is further disposed in the first cavity 910, an inlet of the bypass channel 700 is communicated with an inlet of the fresh air channel segment 110, and an outlet of the bypass channel 700 is communicated with the circulated air channel 200. The fresh outdoor air flows to the indoor through one of the fresh air channel 10 and the bypass channel 700.
When fresh air is introduced into the fresh air all-in-one machine shown in fig. 5, fresh air has two entering modes.
One is that the fresh air enters the room through the fresh air channel 100, the bypass channel 700 is closed, and the fresh air and the exhaust air exchange heat at the heat exchange element 840, and the air flow path can refer to fig. 3 and 4.
The other is that the fresh air enters the circulating air channel 200 through the bypass channel 700 and then flows into the room, at this time, the fresh air channel 100 is closed, and the fresh air does not pass through the heat exchange element 840 and does not exchange heat with the exhaust air, as shown in fig. 6 and 7.
The bypass channel 700 is generally opened in transition seasons such as spring and autumn, the outdoor temperature is equivalent to the indoor temperature, and the fresh air can meet the user requirements without refrigeration or heating, so the fresh air directly enters the room through the bypass channel 700 and does not exchange heat with indoor exhaust foul air at the heat exchange element 840, the service life of the heat exchange element 840 is prolonged, energy is saved, and energy consumption is reduced.
In some embodiments of the present application, referring to fig. 5, an air valve (denoted as a bypass air valve 650) is disposed at an outlet of the bypass channel 700, and when fresh air does not need to pass through the bypass channel 700, the bypass air valve 650 is closed.
The following details the gas flow path under each working mode of the fresh air dehumidification all-in-one machine one by one.
In the gas flow path diagrams shown in fig. 2 to 4 and fig. 6 and 7, white-line arrows represent fresh air, black-line arrows represent exhaust air, and solid-line arrows represent circulating air.
In the fresh air dehumidification integrated machine without the bypass channel in the first embodiment shown in fig. 1, a fresh air mode, a circulating air mode, and a fresh air + circulating air mode are provided.
In the circulation air mode, with reference to fig. 2, the air in the room circularly flows into the room through the circulation air inlet 210, the circulation air channel 200 and the air mixing chamber 400, and the second heat exchanger 820 and the third heat exchanger 830 are turned on as required according to the humidity and temperature of the circulation air, so that the circulation air meets the set requirement.
In the fresh air mode, the gas flow path refers to fig. 3, outdoor fresh air flows into the room through the fresh air inlet 130, the fresh air channel section 110, the heat exchange element 840, the fresh air channel section 120 and the air mixing cavity 400, and the first heat exchanger 810 and the third heat exchanger 830 are opened according to the humidity and the temperature of the fresh air as required, so that the fresh air reaches the set requirement; meanwhile, indoor dirty air is discharged to the outside through the dirty air inlet 310, the exhaust passage 300, the heat exchange element 840 and the dirty air outlet 320; in the process, heat exchange is carried out on the fresh air and the exhaust air at the heat exchange element 840, and energy consumption is reduced.
Under the fresh air + circulated air mode, the gas flow is through referring to fig. 4, and the flow path description of fresh air, circulated air and exhaust air can refer to the fresh air mode and the circulated air mode, and is not described again.
In the fresh air dehumidification integrated machine with the bypass channel in the second embodiment shown in fig. 5, the fresh air dehumidification integrated machine has a fresh air mode, a circulating air mode, a fresh air + circulating air mode, a bypass fresh air mode, and a bypass fresh air + circulating air mode. The fresh air mode, the circulating air mode, and the gas flow path of the fresh air + circulating air mode are the same as those in the first embodiment, and are not described again.
In the bypass fresh air mode, the gas flow path refers to fig. 6, the bypass channel 700 is opened, the fresh air channel 100 is closed, outdoor fresh air flows into the room through the bypass channel 700, the circulating air channel 200 and the air mixing cavity 400, and the second heat exchanger 820 and the third heat exchanger 830 are opened according to the humidity and the temperature of the fresh air as required so that the fresh air meets the set requirement; meanwhile, the indoor dirty air is discharged to the outside through the dirty air inlet 310, the discharge duct 300, the heat exchange element 840, and the dirty air outlet 320.
Under the bypass new trend + circulated air mode, gas flow path refers to fig. 7, bypass channel 700 is opened, new trend channel 100 is closed, bypass new trend, circulated air and the flow path description of airing exhaust can refer to bypass new trend mode and circulated air mode, and no longer repeated.
The working conditions of the heat exchangers of the fresh air dehumidification all-in-one machine in all working modes are detailed one by one.
In some embodiments of the present application, the fresh air dehumidification all-in-one machine is in the fresh air mode, the first heat exchanger 810 is opened as required according to the humidity of the fresh air in the fresh air channel 100 to adjust the humidity of the fresh air, and the third heat exchanger 830 is opened as required according to the temperature of the fresh air to adjust the temperature of the air flowing into the room.
Specifically, when the humidity of the fresh air passing through the heat exchange element 840 meets the user requirement, the first heat exchanger 810 is turned off;
when the humidity of the fresh air passing through the heat exchanger element 840 does not meet the requirement of a user, the first heat exchanger 810 is started, and the moisture content of the fresh air is effectively reduced;
when the humidity and the temperature of the fresh air dehumidified by the first heat exchanger 810 both meet the user requirements, the third heat exchanger 830 may not work;
when the humidity of the fresh air dehumidified by the first heat exchanger 810 still does not meet the user requirement, the third heat exchanger 830 is turned on to continue to bear the dehumidification load so as to control the humidity of the air at the air supply port to reach the specified humidity;
when the temperature of the fresh air dehumidified by the first heat exchanger 810 does not meet the user's requirements, the third heat exchanger 830 can be used as an evaporator/condenser, and the target temperature of the fresh air can be effectively controlled.
In some embodiments of the present application, when the fresh air dehumidification all-in-one machine is in the circulated air mode, the first heat exchanger 810 is turned off, the second heat exchanger 820 is turned on as needed according to the humidity of the circulated air in the circulated air channel to adjust the humidity of the circulated air, and the third heat exchanger 830 is turned on as needed according to the temperature of the circulated air to adjust the temperature of the air flowing into the room.
Specifically, when the air humidity of the circulating air inlet 210 meets the user requirement, the second heat exchanger 820 is closed;
when the air humidity of the circulating air inlet 210 does not meet the requirement of a user, the second heat exchanger 820 can be opened, and the moisture content of the fresh air is effectively reduced;
when the humidity and the temperature of the circulating air dehumidified by the second heat exchanger 820 both meet the requirements of users, the third heat exchanger 830 may not work;
when the humidity of the circulating air dehumidified by the second heat exchanger still does not meet the requirement of a user, the third heat exchanger can continuously bear the dehumidification load so as to control the humidity of the air at the air supply opening to reach the specified humidity;
when the temperature of the circulating air dehumidified by the second heat exchanger 820 does not meet the requirements of users, the third heat exchanger can be used as an evaporator/condenser, and the target temperature of the fresh air can be effectively controlled.
In some embodiments of the present application, in the fresh air + circulated air mode of the fresh air dehumidification all-in-one machine, the first heat exchanger 810 is turned on as needed to adjust the humidity of the fresh air according to the humidity of the fresh air in the fresh air channel 100, the second heat exchanger 820 is turned on as needed to adjust the humidity of the circulated air according to the humidity of the circulated air in the circulated air channel 200, and the third heat exchanger 830 is turned on as needed to adjust the temperature of the air flowing into the room according to the temperature of the air in the air mixing chamber 400.
Specifically, similar to the above, the first heat exchanger 810 mainly bears the moisture load of the introduced fresh air, and the second heat exchanger 820 mainly bears the moisture load of the circulating air, and the two are selectively turned on or off according to actual conditions, so that the risks of condensation and electrical safety after wind mixing mentioned above can be greatly reduced.
The third heat exchanger 830 mainly bears the temperature load of fresh air and air after circulating air mixing, and accurately controls the supplied air to reach the target temperature.
In special cases, the first heat exchanger 810 and the second heat exchanger 820 can also perform cooling and heating operations, and the third heat exchanger can also perform dehumidification operations.
Fig. 9 is a flow chart showing an operation principle of the fresh air dehumidification integrated machine, after the machine is started, the concentration of indoor CO2 is detected, and if the concentration is in a concentration range of 1, fresh air is introduced outdoors; if the concentration is in the concentration range 2, no fresh air is introduced.
After the condition that whether fresh air is introduced into the machine is determined, the state of the heat exchanger needs to be comprehensively judged according to the state of the compressor, the temperature difference between the set temperature and the circulating return air temperature and the like. The states can be classified into state 1, state 2, and state 3 according to the difference between the compressor state, the set temperature, and the circulated return air temperature.
When fresh air is introduced outdoors, the state 1, the state 2 and the state 3 respectively correspond to 'circulation + fresh air (refrigeration),' circulation + fresh air (heating), 'no temperature reduction and dehumidification + fresh air or fresh air only'.
When no fresh air is introduced outdoors, the states 1, 2 and 3 correspond to "circulation (cooling only)", "circulation (heating only)", "no-temperature reduction and dehumidification or machine shutdown", respectively.
Every time the unit runs for a period of time, the state of the unit needs to be judged again.
Fig. 10 is a flow chart illustrating an operation principle of fresh air and circulating air under a refrigeration condition, and after the circulation + fresh air (refrigeration) state is confirmed, it needs to be determined respectively for the open and close states of the first heat exchanger 810, the second heat exchanger 820 and the third heat exchanger 830.
The states of the first heat exchanger 810 and the third heat exchanger 830 are comprehensively judged according to the difference between the fresh air humidity and the set humidity, the temperature difference between the set temperature and the return air temperature of the fresh air heat exchanger, and the like. According to the difference between the fresh air humidity and the set humidity, the temperature difference between the set temperature and the return air temperature of the fresh air heat exchanger, four states can be divided: state 1, state 2, state 3, state 4. In the state 1, only the first heat exchanger 810 is turned on as an evaporator, in the state 2, only the third heat exchanger 830 is turned on as an evaporator, in the state 3, both the first heat exchanger 810 and the third heat exchanger 830 are turned on as evaporators, and in the state 4, both the first heat exchanger 810 and the third heat exchanger 830 are turned off.
The heat exchanger on the circulating air side is also divided into four states according to the difference between the humidity of circulating air and the set humidity and the difference between the set temperature and the return air temperature of the circulating heat exchanger similarly: state 1, state 2, state 3, state 4. In the state 1, only the second heat exchanger 820 is turned on as an evaporator, in the state 2, only the third heat exchanger 830 is turned on as an evaporator, in the state 3, both the second heat exchanger 820 and the third heat exchanger 830 are turned on as evaporators, and in the state 4, both the second heat exchanger 820 and the third heat exchanger 830 are turned off.
Certainly, because the third heat exchanger 830 is shared by the fresh air and the circulating air, the opening and closing of the third heat exchanger 830 in the process needs to be determined uniformly by integrating the requirements of the fresh air and the circulating air on two sides.
Fig. 11 is a flow chart illustrating an operation principle of fresh air and circulating air under a heating condition, and after the state of circulation and fresh air (heating) is confirmed, the opening and closing states of the first heat exchanger 810, the second heat exchanger 820 and the third heat exchanger 830 need to be respectively determined.
The states of the first heat exchanger 810 and the third heat exchanger 830 are comprehensively judged according to the temperature difference between the set temperature and the return air temperature of the fresh air heat exchanger. According to the difference in temperature of setting for the temperature and new trend heat exchanger return air temperature, can divide into four kinds of states: state 1, state 2, state 3, state 4. In the state 1, only the first heat exchanger 810 is turned on as a condenser, in the state 2, only the third heat exchanger 830 is turned on as a condenser, in the state 3, both the first heat exchanger 810 and the third heat exchanger 830 are turned on as condensers, and in the state 4, both the first heat exchanger 810 and the third heat exchanger 830 are turned off.
The heat exchanger on the circulating air side is also divided into four states according to the temperature difference between the set temperature and the return air temperature of the circulating heat exchanger similarly: state 1, state 2, state 3, state 4. In the state 1, only the second heat exchanger 820 is turned on as a condenser, in the state 2, only the third heat exchanger 830 is turned on as a condenser, in the state 3, both the second heat exchanger 820 and the third heat exchanger 830 are turned on as condensers, and in the state 4, both the second heat exchanger 820 and the third heat exchanger 830 are turned off.
Certainly, because the third heat exchanger 830 is shared by the fresh air and the circulating air, the opening and closing of the third heat exchanger 830 in the process needs to be determined uniformly by integrating the requirements of the fresh air and the circulating air on two sides.
Fig. 12 is a flow chart showing an operation principle of fresh air + circulating air and fresh air only under a non-cooling dehumidification condition, after confirming that the states of circulation + fresh air (non-cooling dehumidification) and fresh air only enter, the machine frame flow chart firstly judges whether a user has a non-cooling dehumidification demand, if so, the machine frame flow chart enters a "circulation + fresh air (non-cooling dehumidification)" state, and if not, the machine frame flow chart enters a "fresh air only" state.
Entering the state of "circulation + fresh air (not cooling and dehumidifying)" requires respective judgment for the opening and closing states of the fresh air heat exchanger and the circulating heat exchanger. The states of the first heat exchanger 810 and the third heat exchanger 830 are comprehensively judged according to the difference between the fresh air humidity and the set humidity, the temperature difference between the set temperature and the return air temperature of the fresh air heat exchanger, and the like. The method is divided into three states: in the state 1, the first heat exchanger 810 is used as an evaporator to perform dehumidification, and the third heat exchanger 830 is used as a condenser to perform temperature rise; in the state 2, only the first heat exchanger 810 is used as an evaporator, because the fresh air side and the circulating air share the third heat exchanger 830, when the circulating air side is not cooled and dehumidified, the temperature of the fresh air side may be increased, and at this time, it is necessary to consider that the temperature of the fresh air side is maintained by opening the first heat exchanger 810; in state 3 both the first heat exchanger 810 and the third heat exchanger 830 are off. The heat exchanger on the circulating air side is also divided into three states according to the difference between the humidity of circulating air and the set humidity and the difference between the set temperature and the return air temperature of the circulating heat exchanger: in the state 1, the second heat exchanger 820 is used as an evaporator to perform dehumidification, and the third heat exchanger 830 is used as a condenser to perform temperature rise; in state 2, the second heat exchanger 820 is turned on as an evaporator; in state 3 both the second heat exchanger 820 and the third heat exchanger 830 are off.
Similarly, since the third heat exchanger 830 is shared by the fresh air and the circulating air, the opening and closing of the third heat exchanger 830 in this process needs to be determined uniformly by integrating the requirements of both sides of the fresh air and the circulating air.
When entering into "only new trend" state, according to compressor state, the difference in temperature of settlement temperature and new trend heat exchanger return air temperature, divide into three state: only fresh air (refrigeration), only fresh air (heating) and machine closing. The detailed logic is similar to the cycle-only wind operation, and reference may be made to the flow charts of cycle-only (cooling), cycle-only (heating), machine shut-down 13-15.
Fig. 13 is a flow chart showing the operation principle of the circulating air under the refrigeration condition, and after the circulation-only (refrigeration) state is confirmed, the circulation-only (refrigeration) state is divided into four states according to the difference between the humidity of the circulating air and the set humidity, and the difference between the set temperature and the return air temperature of the circulating heat exchanger: state 1, state 2, state 3, state 4. In the state 1, only the second heat exchanger 820 is turned on as an evaporator, in the state 2, only the third heat exchanger 830 is turned on as an evaporator, in the state 3, both the second heat exchanger 820 and the third heat exchanger 830 are turned on as evaporators, and in the state 4, both the second heat exchanger 820 and the third heat exchanger 830 are turned off.
Fig. 14 is a flow chart showing the operation principle of the circulating air under the heating condition, and after the circulation-only (heating) state is confirmed, the circulation-only (heating) state is also divided into four states according to the temperature difference between the set temperature and the return air temperature of the circulating heat exchanger: state 1, state 2, state 3, state 4. In the state 1, only the second heat exchanger 820 is turned on as a condenser, in the state 2, only the third heat exchanger 830 is turned on as a condenser, in the state 3, both the second heat exchanger 820 and the third heat exchanger 830 are turned on as condensers, and in the state 4, both the second heat exchanger 820 and the third heat exchanger 830 are turned off.
Fig. 15 is a flow chart showing the operation principle of the circulating air under the working conditions of non-cooling dehumidification and machine shutdown, after the machine frame flow chart confirms that the circulating air enters the non-cooling dehumidification and machine shutdown states, firstly, whether a user has a non-cooling dehumidification requirement is judged, if so, the circulating air enters the 'cooling non-dehumidification' state, and if not, the circulating air enters the 'machine shutdown' state.
Entering the "no cooling and dehumidification by circulating air" state requires judging the difference between the humidity of circulating air and the set humidity, the temperature difference between the set temperature and the return air temperature of the circulating heat exchanger, and comprehensively judging the states of the second heat exchanger 820 and the third heat exchanger 830 according to the two conditions: in the state 1, the second heat exchanger 820 is used as an evaporator to perform dehumidification, and the third heat exchanger 830 is used as a condenser to perform temperature rise; in state 2 both the second heat exchanger 820 and the third heat exchanger 830 are off.
When the machine is in a 'machine off' state, the three heat exchangers are not opened.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a new trend dehumidification all-in-one which characterized in that includes:
the air conditioner comprises a shell, a fan and a fan, wherein a fresh air channel, a circulating air channel, an exhaust air channel and an air mixing cavity are arranged in the shell;
outdoor fresh air flows into the air mixing cavity through the fresh air channel, indoor air flows into the air mixing cavity through the circulating air channel, and the fresh air and circulating air are mixed in the air mixing cavity and then flow into the room;
the fresh air channel is internally provided with a first heat exchanger, the circulating air channel is internally provided with a second heat exchanger, and the air mixing cavity is internally provided with a third heat exchanger.
2. The fresh air and dehumidification integrated machine according to claim 1,
when the fresh air dehumidification integrated machine is in a fresh air mode, the first heat exchanger is started according to the humidity of fresh air in the fresh air channel as required to adjust the humidity of the fresh air;
and the third heat exchanger is opened according to the temperature of the fresh air as required so as to adjust the temperature of the gas flowing into the room.
3. The fresh air and dehumidification integrated machine according to claim 1,
the first heat exchanger of the fresh air dehumidification all-in-one machine is closed in a circulating air mode;
the second heat exchanger is started according to the humidity of the circulating air in the circulating air channel as required to adjust the humidity of the circulating air;
and the third heat exchanger is opened according to the temperature of the circulating air as required to regulate the temperature of the gas flowing into the room.
4. The fresh air and dehumidification integrated machine according to claim 1,
the fresh air dehumidification integrated machine is in a fresh air and circulating air mode,
the first heat exchanger is opened according to the humidity of the fresh air in the fresh air channel as required to adjust the humidity of the fresh air;
the second heat exchanger is started according to the humidity of the circulating air in the circulating air channel as required to adjust the humidity of the circulating air;
and the third heat exchanger is opened according to the temperature of the gas in the air mixing cavity as required so as to adjust the temperature of the gas flowing into the room.
5. The fresh air and dehumidification integrated machine according to any one of claims 1 to 4,
the inside of the shell is divided into a first cavity and a second cavity by a partition plate;
the air exhaust channel is arranged in the first cavity;
the fresh air channel comprises an one-section fresh air channel and a two-section fresh air channel which are communicated, the one-section fresh air channel is arranged in the first cavity, the two-section fresh air channel is arranged in the circulating air channel and the air mixing cavity is arranged in the second cavity, the two-section fresh air channel is arranged in the circulating air channel and the air mixing cavity are separated through a partition plate, and the first heat exchanger is arranged in the two-section fresh air channel.
6. The fresh air and dehumidification integrated machine according to claim 5,
and a heat exchange element is further arranged in the first cavity, and the section of the fresh air channel and the section of the exhaust air channel respectively pass through the heat exchange element.
7. The fresh air and dehumidification integrated machine according to claim 5,
and fans are respectively arranged in the air mixing cavity and the air exhaust channel.
8. The fresh air and dehumidification integrated machine according to claim 5,
fans are respectively arranged in the fresh air channel section, the circulating air channel and the exhaust channel.
9. The fresh air and dehumidification integrated machine according to claim 5,
a bypass channel is arranged in the first cavity, an inlet of the bypass channel is communicated with an inlet of the fresh air channel section, and an outlet of the bypass channel is communicated with the circulating air channel;
outdoor fresh air flows indoors through one of the fresh air channel and the bypass channel.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111634628.3A CN114322104B (en) | 2021-12-29 | 2021-12-29 | Fresh air dehumidification all-in-one |
| PCT/CN2022/109190 WO2023124066A1 (en) | 2021-12-29 | 2022-07-29 | Fresh air all-in-one machine |
| CN202280063777.5A CN118119797A (en) | 2021-12-29 | 2022-07-29 | Fresh air all-in-one machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111634628.3A CN114322104B (en) | 2021-12-29 | 2021-12-29 | Fresh air dehumidification all-in-one |
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| CN114322104B CN114322104B (en) | 2023-12-26 |
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| CN202280063777.5A Pending CN118119797A (en) | 2021-12-29 | 2022-07-29 | Fresh air all-in-one machine |
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| CN202280063777.5A Pending CN118119797A (en) | 2021-12-29 | 2022-07-29 | Fresh air all-in-one machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023124066A1 (en) * | 2021-12-29 | 2023-07-06 | 青岛海信日立空调系统有限公司 | Fresh air all-in-one machine |
| TWI836819B (en) * | 2022-05-11 | 2024-03-21 | 日商三菱電機股份有限公司 | Dehumidifier |
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| CN210135642U (en) * | 2019-04-10 | 2020-03-10 | 悉地国际设计顾问（深圳）有限公司 | Air conditioner |
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| CN211650507U (en) * | 2019-12-31 | 2020-10-09 | 众森绿建国际科技股份公司 | Vertical fresh air environment all-in-one machine system |
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| WO2023124066A1 (en) * | 2021-12-29 | 2023-07-06 | 青岛海信日立空调系统有限公司 | Fresh air all-in-one machine |
| TWI836819B (en) * | 2022-05-11 | 2024-03-21 | 日商三菱電機股份有限公司 | Dehumidifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114322104B (en) | 2023-12-26 |
| CN118119797A (en) | 2024-05-31 |
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