CN107036224B - Fresh air unit with humidity adjusting function - Google Patents
Fresh air unit with humidity adjusting function Download PDFInfo
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- CN107036224B CN107036224B CN201710473820.6A CN201710473820A CN107036224B CN 107036224 B CN107036224 B CN 107036224B CN 201710473820 A CN201710473820 A CN 201710473820A CN 107036224 B CN107036224 B CN 107036224B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/1435—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification comprising semi-permeable membrane
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a fresh air handling unit with a humidity regulating function, which comprises an air inlet pipeline and a humidity regulating mechanism and is characterized in that the humidity regulating mechanism comprises a humidifying assembly and a dehumidifying assembly, the humidifying assembly comprises a gas humidifying pipeline and a liquid pipeline, and the dehumidifying assembly comprises a gas dehumidifying pipeline and a vacuum-pumping pipeline; the humidifying pipeline and the liquid pipeline share a first wallboard part, the gas dehumidifying pipeline and the vacuumizing pipeline share a second wallboard part, the first wallboard part and the second wallboard part are both provided with a plurality of humidifying pores, the radial size of each humidifying pore is between 0.1 and 1 mu m, and each humidifying pore is covered with a hydrophilic breathable film; the air inlets of the air humidifying pipeline and the air dehumidifying pipeline are communicated with the air inlet pipeline. The fresh air unit with the humidity adjusting function provided by the invention has the first function of humidifying and dehumidifying simultaneously; secondly, the hydrophilic breathable film is directly used for dehumidification or humidification, and no condensed water condensation surface exists; and thirdly, phase change does not exist in the dehumidification process, and corresponding energy consumption equipment is not needed.
Description
Technical Field
The invention relates to an air conditioning technology, in particular to a fresh air unit with a humidity conditioning function.
Background
Humidity control (humidification and/or dehumidification) is one of the main control directions of air conditioning technology, and there is a great demand for humidity control in both industrial and commercial fields and living fields. In the prior art, air humidification devices such as humidifiers and air dehumidification devices such as dryers have single functions and do not have humidification and dehumidification functions at the same time.
In addition, no matter the air humidifying device or the air dehumidifying device, the air humidifying device has a series of defects, for example, the humidifying method adopted by the air humidifying device comprises an equal enthalpy humidifying method and an equal temperature humidifying method, the specific technical means comprises an electric heating humidifying method, an electrode humidifying method, a high-pressure micro-mist humidifying method, a spray humidifying method, a wet film humidifying method and the like, the electric heating humidifying method, the electrode humidifying method, the high-pressure micro-mist humidifying method, the spray humidifying method, the wet film humidifying method and the like all generate a large amount of mist to humidify air, and the wet film humidifying method generates a large amount of wet plane to humidify air. The dehumidification method adopted by the air dehumidification device mainly comprises a refrigeration cooling dehumidification method, a solution adsorption dehumidification method and a rotating wheel dehumidification method, and the overall principle of the dehumidification method is to convert gaseous water vapor into liquid water and remove the liquid water by various methods. The transformation of water vapor into liquid water has phase change, the latent heat in the transformation process is large, and electricity or other energy sources are needed to generate energy to offset the latent heat, so that more energy sources are consumed, and corresponding equipment is complex. In parallel, the liquid water may also cause other additional problems, such as hygiene problems, pollution problems, etc.
In summary, the prior art has the disadvantages that, firstly, the function is single, and either only the humidifying function or only the dehumidifying function is provided; secondly, no matter humidification or dehumidification is carried out, a condensation area exists, a wet surface is formed in the condensation area, and bacteria are easy to breed on the wet surface, so that the sanitary condition is poor; thirdly, the air dehumidifying device has phase change, namely, gaseous water is converted into liquid water, the latent heat quantity in the conversion process is large, and energy is required to be generated by electricity or other energy sources to offset the latent heat, so that more energy sources are consumed, and corresponding equipment is complex.
Disclosure of Invention
The invention aims to provide a fresh air unit with a humidity regulating function, and the fresh air unit is used for solving the defects in the technology.
In order to achieve the above purpose, the invention provides the following technical scheme:
a fresh air handling unit with a humidity adjusting function comprises an air inlet pipeline and a humidity adjusting mechanism, and is characterized in that the humidity adjusting mechanism comprises a humidifying assembly and a dehumidifying assembly, the humidifying assembly comprises a gas humidifying pipeline and a liquid pipeline, and the dehumidifying assembly comprises a gas dehumidifying pipeline and a vacuumizing pipeline;
the humidifying pipeline and the liquid pipeline share a first wallboard part, the gas dehumidifying pipeline and the vacuumizing pipeline share a second wallboard part, the first wallboard part and the second wallboard part are both provided with a plurality of humidifying pores, the radial size of each humidifying pore is between 0.1 and 1 mu m, and each humidifying pore is covered with a hydrophilic breathable film;
and the air inlets of the air humidifying pipeline and the air dehumidifying pipeline are communicated with the air inlet pipeline.
In the fresh air handling unit, the first wall plate member and the second wall plate member each include a bottom plate and a plurality of hollow protruding members arranged on the bottom plate, and the hollow protruding members are provided with a plurality of humidity control gaps.
In the fresh air handling unit, the gas humidification pipeline and the shell of the gas dehumidification pipeline both comprise double-layer shells, the liquid pipeline is arranged between the double-layer shells of the gas humidification pipeline, and the vacuum pumping pipeline is arranged between the double-layer shells of the gas dehumidification pipeline.
In the fresh air handling unit, the double-layer shell is of a spiral structure, and the humidifying holes and the hydrophilic breathable film are arranged on the double-layer shell inside the spiral structure.
The radial sectional area of the gas humidifying pipeline is sequentially increased and the radial sectional area of the gas dehumidifying pipeline is sequentially decreased from the gas inlet to the gas outlet of the fresh air handling unit.
In the fresh air handling unit, at least one of the air inlet and the air outlet of the gas humidifying pipeline and the gas dehumidifying pipeline is provided with an automatic valve.
Foretell fresh air unit, be provided with a temperature regulation device on the intake stack.
Foretell fresh air unit still includes exhaust duct, gaseous humidification pipeline with the gas vent of gaseous dehumidification pipeline all with exhaust duct intercommunication, exhaust duct is provided with second temperature regulation apparatus.
The fresh air handling unit further comprises a return air pipeline, and the return air pipeline is connected with the air inlet pipeline through a heat exchange mechanism.
Foretell fresh air unit, be provided with filtering mechanism on the intake stack.
In the technical scheme, the fresh air unit with the humidity adjusting function provided by the invention has the humidification and dehumidification functions; secondly, the hydrophilic breathable film is directly used for dehumidification or humidification, and no condensed water is condensed on the surface, so that the bacteria breeding environment is eliminated, and the sanitary condition is good; and thirdly, phase change does not exist in the dehumidification process, latent heat is not generated correspondingly, corresponding energy consumption equipment is not needed, and energy consumption is low.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a fresh air unit with a humidity control function according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a humidifying assembly provided in an embodiment of the present invention;
fig. 3 is a partially enlarged view of a humidifying assembly according to an embodiment of the present invention.
Description of the reference numerals:
1. an air inlet pipeline; 2. an exhaust duct; 3. a humidifying assembly; 3.1, a gas humidifying pipeline; 3.2, a liquid pipeline; 3.3, a first wall plate member; 3.4, a hollow convex part; 3.5, a bottom plate; 4. a dehumidifying component; 4.1, a gas dehumidification pipeline; 4.2, vacuumizing a pipeline; 4.3, a second wall plate member; 5. a first temperature adjustment device; 6. a second temperature adjustment device; 7. a return air duct; 8. a heat exchange mechanism; 9. a filtering mechanism; 10. an automatic valve; 11. a fan; 12. a water pump; 13. a vacuum pump.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a fresh air blower 11 set with a humidity control function according to an embodiment of the present invention includes an air inlet duct 1 and a humidity control mechanism, where the humidity control mechanism includes a humidification module 3 and a dehumidification module 4, the humidification module 3 includes a gas humidification duct 3.1 and a liquid duct 3.2, and the dehumidification module 4 includes a gas dehumidification duct 4.1 and a vacuum-pumping duct 4.2; the humidifying pipeline and the liquid pipeline 3.2 share a first wallboard part 3.3, the gas dehumidifying pipeline 4.1 and the vacuum-pumping pipeline 4.2 share a second wallboard part 4.3, the first wallboard part 3.3 and the second wallboard part 4.3 both have a plurality of humidity-adjusting pores, the radial size of each humidity-adjusting pore is between 0.1 mu m and 1 mu m, and each humidity-adjusting pore is covered with a hydrophilic breathable film; the air inlets of the gas humidifying pipeline 3.1 and the gas dehumidifying pipeline 4.1 are communicated with the air inlet pipeline 1.
Specifically, the air inlet duct 1 is used for inputting the gas to be processed from the target space, for example, introducing fresh air from the outdoor, the air inlet duct 1 is simultaneously communicated with the humidifying component 3 and the dehumidifying component 4, so that the gas to be processed is output to the humidifying component 3 and the dehumidifying component 4, and the fresh air blower 11 set provided by the embodiment has at least three working modes: the humidification module 3 opens the humidification mode that dehumidification subassembly 4 closed, and the dehumidification mode that dehumidification subassembly 4 opened is closed to humidification module 3, and the new trend mode that dehumidification subassembly 4 closed is closed to humidification module 3.
In this embodiment, the humidifying component 3 includes a gas humidifying pipeline 3.1 and a liquid pipeline 3.2, the gas humidifying pipeline 3.1 conveys gas, the gas is humidified during operation in the gas humidifying pipeline 3.1, the liquid pipeline 3.2 is used for conveying humidifying liquid, the pipeline structure of the gas humidifying pipeline 3.1 and the pipeline structure of the liquid pipeline 3.2 are at least partially shared, the shared part is a first wallboard component 3.3, namely, one side surface of the first wallboard component 3.3 is an inner wall surface of the gas humidifying pipeline 3.1, the other side surface is an inner wall surface of the liquid pipeline 3.2, the first wallboard component 3.3 is provided with humidifying pores, the radial size of each humidifying pore is between 0.1 μm and 1 μm, so that the humidifying pores communicate with the gas humidifying pipeline 3.1 and the liquid pipeline 3.2, the humidifying pores are covered with hydrophilic breathable films, and the preferred hydrophilic breathable films are located on the inner wall surface in the liquid pipeline 3.2. In this embodiment, the humidifying liquid flows in the liquid pipeline 3.2, the gas to be humidified flows in the gas humidifying pipeline 3.1, and the humidifying liquid sequentially passes through the humidifying gap and the hydrophilic breathable film from the liquid pipeline 3.2 under the condition of pressure difference, so that the humidifying function is realized due to the effect of the hydrophilic breathable film being dissipated into the gas to be humidified in a gas form.
The dehumidifying component 4 comprises a gas dehumidifying pipeline 4.1 and a vacuumizing pipeline 4.2, the gas humidifies, dehumidifies and conveys the gas, the gas is dried in the operation process in the gas dehumidifying pipeline 4.1, the vacuumizing pipeline 4.2 is used for vacuumizing, one end of the vacuumizing pipeline is connected with a power unit which can pump vacuum such as a vacuum pump 13 and the like, and it should be noted that the vacuum of the vacuumizing pipeline 4.2 is relative to the air pressure in the gas dehumidifying pipeline 4.1 but not normal pressure, for example, the pressure in the gas dehumidifying pipeline 4.1 is 1.5 times of atmospheric pressure, then the air pressure in the vacuumizing pipeline 4.2 is lower than 1.5 times of atmospheric pressure, the pipeline structure of the gas dehumidifying pipeline 4.1 and the pipeline structure of the vacuumizing pipeline 4.2 are at least partially common, the common part is a second wall plate 4.3, namely, one side surface of the second wall plate 4.3 is the inner wall surface of the gas dehumidifying pipeline 4.1, and the other side surface is the inner wall surface of the vacuumizing pipeline 4.2; the second wall plate member 4.3 is provided with humidity control pores, the radial size of each humidity control pore is between 0.1 μm and 1 μm, so that the humidity control gaps are communicated with the gas dehumidification pipeline 4.1 and the vacuum pumping pipeline 4.2, the humidity control pores are covered with hydrophilic breathable films, and the preferred hydrophilic breathable films are positioned on the inner wall surface of the gas dehumidification pipeline 4.1. In this embodiment, the atmospheric pressure is less than the atmospheric pressure in the gas dehumidification pipeline 4.1 in the evacuation pipeline 4.2, and two pipelines are under the condition of pressure difference, and gaseous state moisture in the gas dehumidification pipeline 4.1 loops through humidifying clearance and hydrophilic ventilated membrane and gets into evacuation pipeline 4.2 in to the realization is to the dehumidification of the gas in the gas dehumidification pipeline 4.1, because the effect of hydrophilic ventilated membrane, whole journey does not have liquid water to generate, just also need not additionally to consume the energy and offset phase transition latent heat.
In this embodiment, the first wall plate 3.3 and the second wall plate 4.3 are preferably plates, and two side surfaces thereof are located in the corresponding pipes, but the two wall plates may be other structures, such as blocks or even special-shaped structures, and it is only necessary to ensure that the two side surfaces thereof are the inner wall surfaces of the corresponding pipes, and a humidity control gap for communicating the two pipes is provided inside. The first wall plate 3.3 and the second wall plate 4.3 may be formed with a humidity control gap of the above size on a metal material or a fiber material such as stainless steel, copper or nickel by ion sputtering or laser drilling, or a micron-sized porous material may be formed on metal, ceramic, glass or the like by powder metallurgy, percolation, spray deposition, melt foaming, or eutectic directional solidification, and these porous materials may be used as the first wall plate 3.3 and the second wall plate of the present embodiment, and the porous material is a common technical means and a common general knowledge in the material field, and the present embodiment does not describe any more than all possible embodiments of the first wall plate 3.3 and the second wall plate.
In this embodiment, the first wall plate member 3.3 and the second wall plate member are provided with hydrophilic air permeable membranes, the hydrophilic air permeable membranes cover each humidity control gap, and the hydrophilic air permeable membranes are filter membranes meeting the following two characteristics: 1. a hydrophilic property; 2. the water molecules can pass through, i.e. the internal pore diameter is not smaller than the diameter of the water molecules. The hydrophilic property is basically determined by the material properties of the membrane, such as polypropylene filter membrane, and the internal pore size is the common knowledge of various filter membranes, so the filter membrane made of hydrophilic material and having an internal pore size not smaller than the diameter of water molecule can be used as the hydrophilic breathable membrane of this embodiment, such as various hydrophilic filter membranes, molecular sieves, nanoscale membrane materials or nanoscale hydrophilic coatings, and the like.
The fresh air blower 11 group with the humidity adjusting function provided by the embodiment of the invention has the humidifying and dehumidifying functions; secondly, the hydrophilic breathable film is directly used for dehumidification or humidification, and no condensed water condensation surface exists, so that the environment for bacteria breeding is eliminated, and the sanitary condition is good; and thirdly, phase change does not exist in the dehumidification process, latent heat is not generated correspondingly, corresponding energy consumption equipment is not needed, and energy consumption is low.
In this embodiment, it is more conventional that the gas humidifying pipeline 3.1 and the liquid pipeline 3.2 of the humidifying assembly 3 are arranged in parallel, for example, two rectangular parallelepiped pipelines are arranged in parallel and share a side wall plate, which is the first wall plate 3.3, and at this time, the area of the first wall plate 3.3 is about one seventh of the sum of the pipeline areas of the gas humidifying pipeline 3.1 and the liquid pipeline 3.2. It is preferred that gas humidification pipeline 3.1 and liquid pipeline 3.2 cup joint each other, if gas humidification pipeline 3.1 cup joints in liquid pipeline 3.2, the whole pipeline of gas humidification pipeline 3.1 all can be first wallboard piece 3.3 this moment, or liquid pipeline 3.2 cup joints in gas humidification pipeline 3.1, the whole pipeline of liquid pipeline 3.2 all can be first wallboard piece 3.3 this moment, this kind of structural style all makes first wallboard piece 3.3 occupy the gas humidification pipeline 3.1 and the whole pipeline's of liquid pipeline 3.2 area's proportion is great, can reach more than 50%, so the area of contact of gas humidification is great.
More preferably, as shown in fig. 2 and 3, the gas humidification pipe 3.1 of the present embodiment is spirally arranged, and the structure thereof is similar to a spiral structure, wherein the shell of the gas humidification pipe 3.1 is a double-layer shell, and the liquid pipe 3.2 is arranged between the two side shells, and this arrangement has the advantages that, except for the shell of which the outermost layer directly contacts with the external environment of the humidification module 3, the rest of the shells can be the first wallboard component 3.3, i.e. the shell can be provided with a humidity-conditioning gap and coated with a hydrophilic breathable film, the area of the first wallboard component 3.3 can reach more than 70% of the sum of the pipe areas of the gas humidification pipe 3.1 and the liquid pipe 3.2, and the contact area of the gas humidification is extremely large.
It is clear that the structural and arrangement relationship between the gas dehumidification duct 4.1 and the evacuation duct 4.2 of the dehumidification assembly 4 can be fully referred to the gas humidification duct 3.1 and the liquid duct 3.2 of the humidification assembly 3, and that the structural features of both can be substantially identical.
In this embodiment, to further increase the humidification and dehumidification area, the first wall plate 3.3 and the second wall plate 4.3 may be further modified, and preferably two embodiments are provided:
first, the first wall element 3.3 and the second wall element 4.3 are zigzag plates, such as corrugated plates, plates with corrugations on the surface, etc., so as to provide a contact area between the elements and the gas humidification duct 3.1, thereby improving the dehumidification efficiency.
Secondly, the first wall plate 3.3 (or the second wall plate 4.3) includes a bottom plate 3.5 and a plurality of hollow protrusions 3.4 disposed on the bottom plate 3.5, roots of the hollow protrusions 3.4 are fixed, such as welded, on the bottom plate 3.5, wherein the inner through holes of the hollow protrusions 3.4 are communicated with the liquid pipeline 3.2, a plurality of humidity-adjusting gaps are disposed on each hollow protrusion 3.4, and the hollow protrusions 3.4 may be hollow block structures, but preferably, as shown in fig. 2 and 3, the hollow protrusions 3.4 are hollow pipe members, so that the plurality of hollow pipe members disposed in parallel can provide a large amount of contact area, and the dehumidification efficiency is improved more effectively.
In this embodiment, further, in the direction from the air inlet to the air outlet, the radial sectional area of the gas humidifying pipeline 3.1 is sequentially increased, and the radial sectional area of the gas dehumidifying pipeline 4.1 is sequentially decreased, so that in the humidifying process, the air pressure in the pipeline is gradually decreased, so that the liquid water in the liquid pipeline 3.2 is promoted to enter the gas humidifying pipeline 3.1, and thus the humidifying efficiency is improved; in the dehumidification process, the air pressure in the air dehumidification pipeline 4.1 is gradually increased, and correspondingly, the pressure difference between the air dehumidification pipeline 4.1 and the vacuumizing pipeline 4.2 is increased, so that air water in the air dehumidification pipeline 4.1 enters the vacuumizing pipeline 4.2, and the dehumidification efficiency is improved.
In this embodiment, further, at least one of the air inlet and the air outlet of the gas humidifying pipeline 3.1 and the gas dehumidifying pipeline 4.1 is provided with an automatic valve 10, preferably, four pipe orifices are provided, and the automatic valve 10 is used for controlling air inlet and air outlet of the gas humidifying pipeline 3.1 and the gas dehumidifying pipeline 4.1, so as to control different modes of the two.
In this embodiment, further, a first temperature adjusting device 5 is disposed on the air inlet duct 1, and the first temperature adjusting device 5 may be a heating device such as a heater or a cooling device such as a cooler, or a bidirectional temperature adjusting device, and is used for adjusting the temperature of the air entering the humidifying assembly 3 and the dehumidifying assembly 4.
In this embodiment, optionally, the exhaust ports of the gas humidifying pipeline 3.1 and the gas dehumidifying pipeline 4.1 directly input the processed gas to the corresponding space such as the room, but preferably, the device further comprises an exhaust pipeline 2, the gas humidifying pipeline 3.1 and the exhaust port of the gas dehumidifying pipeline 4.1 are both communicated with the exhaust pipeline 2, and the exhaust pipeline 2 is provided with a second temperature adjusting device 6. Like the first temperature adjusting device 5, the second temperature adjusting device 6 may also be a heating device, a cooling device or a two-way temperature adjusting device, but preferably, one of the first temperature adjusting device 5 and the second temperature adjusting device 6 is a heating device, and the other is a cooling device, so as to reduce the purchase cost of the device, and more preferably, the first temperature adjusting device 5 is a heating device, and the second temperature adjusting device 6 is a cooling device, which functions in that the temperature is raised first and then the humidification efficiency or the dehumidification efficiency can be improved through the humidification component 3 or the dehumidification component 4, and then the temperature required by the final target space can be obtained through the cooling device.
In this embodiment, through the above arrangement, the new air handling unit 11 group may have a plurality of operation modes:
1. refrigeration and dehumidification working conditions: humidification subassembly 3 is closed, dehumidification subassembly 4 opens, outdoor air passes through intake stack 1 entering equipment, air admission gas dehumidification pipeline 4.1 through fan 11, vacuum pump 13 evacuation simultaneously, make the cavity formation negative pressure between gas dehumidification pipeline 4.1 and the evacuation pipeline 4.2, the hydrone in the air is taken out by vacuum pump 13 after getting into evacuation pipeline 4.2 through the dehumidification clearance, the dry air after being dehumidified carries out temperature regulation through second temperature regulation 6 again, it is indoor to send into after the temperature of regulation to the requirement. The air to be supplied into the room has a temperature and humidity set as required. The air supply state is a constant temperature and constant humidity working condition.
2. And (3) humidification and heating working conditions: the humidifying component 3 is opened, the dehumidifying component 4 is closed, outdoor air enters the equipment through the air inlet pipeline 1, the outdoor air is heated to the set temperature through the first temperature adjusting device 5, fresh air enters the air humidifying pipeline through the fan 11, the electric valve on the pressurizing water pump 12 and the liquid pipeline 3.2 is opened, pressure difference is formed between the liquid pipeline 3.2 and the air humidifying pipeline, liquid water enters the air humidifying pipeline in a molecular form through the hydrophilic breathable film under the action of pressure, and after the dry air is mixed with water molecules into humid air, the air is sent into the room through the fresh air supply opening. The temperature and humidity of the air fed into the room are set as required. The air supply state is a constant temperature and constant humidity working condition.
3. Heating and dehumidifying conditions (applicable to the climate of the south of China): humidification subassembly 3 is closed, dehumidification subassembly 4 opens, outdoor air passes through intake stack 1 entering equipment, rethread first temperature regulation apparatus 5 heats up to the settlement temperature, through 11 air admission gas dehumidification pipelines 4.1 of fan, vacuum pump 13 evacuation simultaneously, make the cavity formation negative pressure between gas dehumidification pipeline 4.1 and the evacuation pipeline 4.2, the hydrone in the air is taken out by vacuum pump 13 after getting into evacuation pipeline 4.2 through the dehumidification clearance, the dry air after being dehumidified sends into indoorly.
4. Cooling and humidifying conditions (applicable to high-temperature drying environment): humidification subassembly 3 opens, dehumidification subassembly 4 closes, outdoor air passes through inlet air line 1 entering equipment, the new trend passes through fan 11 entering air humidification pipeline, the electric valve on booster water pump 12 and the liquid pipeline 3.2 is opened, make and form the pressure differential between liquid pipeline 3.2 and the air humidification pipeline, liquid water is under the pressure effect, see through in hydrophilic ventilated membrane gets into the air humidification pipeline with the form of molecule, behind comparatively dry air and the hydrone mixture for moist air, carry out temperature regulation through second temperature regulation 6 again, adjust to behind the temperature of settlement, the temperature is suitable, the higher air rethread fresh air supply opening of humidity sends into indoorly. The air to be supplied into the room has a temperature and humidity set as required. The air supply state is a constant temperature and constant humidity working condition.
5. And (3) natural ventilation working condition: the humidifying component 3 is closed, the dehumidifying component 4 is closed, outdoor air enters the equipment through the air inlet, the air passes through the gas humidifying pipeline and the gas dehumidifying pipeline, but the corresponding vacuumizing pipeline and the liquid pipeline do not work, and then the air is sent into the room through the fresh air supply outlet. The air sent into the room is fresh and clean air after being filtered, purified and energy recovered.
In this embodiment, the air conditioner further comprises a return air duct 7, wherein the return air duct 7 is connected to the air inlet duct 1 through a heat exchange mechanism 8, so that fresh air is firstly conditioned through the return air duct 7, and energy consumption of the first temperature regulating device 5 and the second temperature regulating device 6 is saved.
In this embodiment, it is further, be provided with filtering mechanism 9 on the intake stack 1, prevent like this that debris such as pm2.5, all kinds of poisonous chemicals from hurting humidification subassembly 3 and dehumidification subassembly 4, prolong the life of humidification subassembly 3 and dehumidification subassembly 4.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. A fresh air handling unit with a humidity adjusting function comprises an air inlet pipeline and a humidity adjusting mechanism, and is characterized in that the humidity adjusting mechanism comprises a humidifying assembly and a dehumidifying assembly, the humidifying assembly comprises a gas humidifying pipeline and a liquid pipeline, and the dehumidifying assembly comprises a gas dehumidifying pipeline and a vacuumizing pipeline;
the humidifying pipeline and the liquid pipeline share a first wallboard part, the gas dehumidifying pipeline and the vacuumizing pipeline share a second wallboard part, a plurality of humidity adjusting holes are formed in the first wallboard part and the second wallboard part, the radial size of each humidity adjusting hole is between 0.1 mu m and 1 mu m, and a hydrophilic breathable film covers each humidity adjusting hole;
the air inlets of the gas humidifying pipeline and the gas dehumidifying pipeline are communicated with the air inlet pipeline;
the shells of the gas humidifying pipeline and the gas dehumidifying pipeline comprise double-layer shells, the liquid pipeline is arranged between the double-layer shells of the gas humidifying pipeline, and the vacuumizing pipeline is arranged between the double-layer shells of the gas dehumidifying pipeline; the double-layer shell is of a spiral structure, and the humidifying pores and the hydrophilic breathable films are arranged on the double-layer shell positioned in the spiral structure;
from the direction of air inlet to gas outlet, the radial sectional area of gas humidification pipeline increases in proper order, the radial sectional area of gas dehumidification pipeline reduces in proper order.
2. The fresh air handling unit as claimed in claim 1, wherein the first and second wall plate members each include a base plate and a plurality of hollow protrusions disposed on the base plate, and each of the hollow protrusions has a plurality of humidity conditioning apertures disposed thereon.
3. The fresh air handling unit according to any one of claims 1 to 2, wherein an automatic valve is provided on at least one of the air inlet and the air outlet of the air humidification duct and the air dehumidification duct.
4. Fresh air handling unit according to any of claims 1 to 2, wherein the air inlet duct is provided with a first temperature regulating means.
5. The fresh air handling unit according to any of claims 1-2, further comprising an exhaust duct, wherein the exhaust ports of the gas humidifying duct and the gas dehumidifying duct are both communicated with the exhaust duct, and the exhaust duct is provided with a second temperature adjusting device.
6. A fresh air handling unit according to any of claims 1 to 2 further including a return duct connected to the inlet duct by heat exchange means.
7. Fresh air handling unit according to any of claims 1 to 2, wherein the air inlet duct is provided with a filter mechanism.
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| CN107655110B (en) * | 2017-09-30 | 2021-01-05 | 青岛海尔空调电子有限公司 | Humidification system, air conditioner and humidification control method of air conditioner |
| CN107702214B (en) * | 2017-09-30 | 2020-09-18 | 青岛海尔空调电子有限公司 | Dehumidification system, air conditioner and dehumidification control method |
| CN107676873B (en) * | 2017-09-30 | 2021-02-12 | 青岛海尔空调电子有限公司 | Fresh air system and fresh air humidification control method |
| CN107575942B (en) * | 2017-09-30 | 2020-09-18 | 青岛海尔空调电子有限公司 | Fresh air system and fresh air dehumidification control method |
| CN107990473B (en) * | 2017-11-22 | 2020-06-23 | 广东美的暖通设备有限公司 | Air conditioning system, air conditioner temperature and humidity adjusting method and air conditioner |
| CN110595003A (en) * | 2019-09-25 | 2019-12-20 | 珠海格力电器股份有限公司 | Fresh air ventilation device and control method and device of air conditioner |
| CN114161910A (en) * | 2021-11-18 | 2022-03-11 | 上海君洋环保科技有限公司 | In-car air purification device and use method thereof |
| CN114917879A (en) * | 2022-05-16 | 2022-08-19 | 广东美的白色家电技术创新中心有限公司 | Polymer-MOFs composite material and preparation method and application thereof |
| CN118009443B (en) * | 2024-03-22 | 2024-08-13 | 中山市奥创通风设备有限公司 | Exhaust equipment capable of being regulated and controlled in self-adaptive mode |
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