CN104121676A - Fresh air unit and temperature and humidity adjusting method - Google Patents

Fresh air unit and temperature and humidity adjusting method Download PDF

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Publication number
CN104121676A
CN104121676A CN201410386553.5A CN201410386553A CN104121676A CN 104121676 A CN104121676 A CN 104121676A CN 201410386553 A CN201410386553 A CN 201410386553A CN 104121676 A CN104121676 A CN 104121676A
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China
Prior art keywords
air outlet
cavity
heat exchanger
commutation assembly
blower fan
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CN201410386553.5A
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Chinese (zh)
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CN104121676B (en
Inventor
杜辉
刘煜
詹朝永
梁思静
苏炳珲
李博
刘莹
符美军
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201410386553.5A priority Critical patent/CN104121676B/en
Publication of CN104121676A publication Critical patent/CN104121676A/en
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Publication of CN104121676B publication Critical patent/CN104121676B/en
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Abstract

The invention relates to a fresh air unit and a temperature and humidity adjusting method. The fresh air unit comprises a compressor, a heat exchanger and at least two cavities. The heat exchanger is arranged in the cavities, and the cavities are provided with air inlets and air outlets. The fresh air unit further comprises at least one reversing assembly used for controlling air in the cavities to be blown into a room or out of the room. According to the fresh air unit, the reversing assembly is used for controlling cold air and/or hot air entering the room, and when cold air enters the room, the room is cooled and dehumidified; when hot air enters the room, the temperature in the room is increased; when cold air and hot air enter the room, the temperature in the room is kept unchangeable, and the dehumidifying effect is achieved. Thus, the fresh air unit can adjust the temperature and humidity in the room at the same time to meet the requirement for adjusting the indoor air temperature and humidity at different situations.

Description

A kind of new blower fan group and temperature and humidity regulation method
Technical field
The present invention relates to room air and regulate ventilation field, relate in particular to a kind of new blower fan group and temperature and humidity regulation method.
Background technology
At present, aspect housing, more and more focus on energy-saving heat preserving, but when reaching heat insulation, insulation, airtight performance, also stoped circulation of air, in the space of sealed thermal insulating, can assemble and produce muddy pernicious gas, so cause oxygen content in air to decline, affect people's health.In order to solve air pollution problems inherent, solution is the ventilation of windowing conventionally, but the ventilation of windowing can cause indoor cold and hot energy to run off, and has destroyed building integral heat insulation system simultaneously, also can make outdoor dust, noise enter indoor.
VMC can carry out indoor and outdoor air displacement in the situation that indoor door and window closes insulation, and still, the most volume of VMC is in the market large, complex structure, is generally applicable to commercial Application, is not suitable for entering average family.
And current VMC can only regulate separately temperature mostly, can not well to temperature and humidity, regulate simultaneously.
Summary of the invention
For the problems referred to above, the object of the invention is to propose a kind of new blower fan group and temperature and humidity regulation method, it can regulate temperature and humidity in simple mode simultaneously.
For achieving the above object, the invention provides a kind of new blower fan group, it comprises compressor, heat exchanger and at least two cavitys, described heat exchanger is arranged in described cavity, on described cavity, be provided with air inlet and air outlet, also comprise at least one commutation assembly, described commutation assembly is for controlling wind in described cavity to indoor or outdoors.
In a preferred or optional embodiment, under cool-down dehumidification pattern, the air outlet that described commutation assembly makes to produce the described cavity of cold wind is communicated with indoor; Under heating mode, the air outlet that described commutation assembly makes to produce the described cavity of hot blast is communicated with indoor; Under dehumidification mode, described commutation assembly makes to produce the air outlet of described cavity of cold wind and the air outlet of the described cavity of generation hot blast is communicated with indoor simultaneously.
In a preferred or optional embodiment, described new blower fan group is to be arranged on outdoor monolithic construction.
In a preferred or optional embodiment, described commutation assembly is arranged in described cavity, and/or, be arranged in the ajutage being connected with the air outlet of described cavity.
In a preferred or optional embodiment, described at least one, on cavity, be provided with at least two air outlets, described at least one, air outlet leads to indoorly, and it is outdoor that described air outlet leads to, and described commutation assembly is controlled the folding of described air outlet.
In a preferred or optional embodiment, described commutation assembly comprises two described cavitys, is respectively the first cavity and the second cavity;
On described the first cavity, be provided with the first air outlet and the first air inlet,
On described the second cavity, be provided with the second air outlet, the 3rd air outlet and the second air inlet,
Also comprise the first commutation assembly, described the first commutation assembly is for controlling the folding of described the second air outlet and described the 3rd air outlet;
Described the first air outlet is all connected and passes into indoor ajutage with described the second air outlet.
In a preferred or optional embodiment, described commutation assembly also comprises reversal valve, under dehumidifying and cooling pattern, described the first commutation assembly is closed described the second air outlet, open described the 3rd air outlet, the refrigerant that described reversal valve is controlled in described compressor returns to described compressor successively after the heat exchanger in the heat exchanger in described the second cavity and described the first cavity.
In a preferred or optional embodiment, described commutation assembly also comprises reversal valve, under dehumidification mode, described the first commutation assembly is closed described the 3rd air outlet, open described the second air outlet, the refrigerant that described reversal valve is controlled in described compressor returns to described compressor successively after the heat exchanger in the heat exchanger in described the second cavity and described the first cavity.
In a preferred or optional embodiment, described commutation assembly also comprises reversal valve, under heating mode, described the first commutation assembly is closed described the second air outlet, open described the 3rd air outlet, the refrigerant that described reversal valve is controlled in described compressor returns to described compressor through the heat exchanger in described the first cavity and the heat exchanger in described the second cavity successively.
In a preferred or optional embodiment, described commutation assembly also comprises the second commutation assembly, is also provided with the 4th air outlet on described the first cavity, and described the second commutation assembly is for controlling the folding of described the first air outlet and described the 4th air outlet.
In a preferred or optional embodiment, under dehumidifying and cooling pattern, described the second commutation assembly is closed described the 4th air outlet, open described the first air outlet, described the first commutation assembly is closed described the second air outlet, open described the 3rd air outlet, the refrigerant in described compressor returns to described compressor successively after the heat exchanger in the heat exchanger in described the second cavity and described the first cavity.
In a preferred or optional embodiment, under dehumidification mode, described the second commutation assembly is closed described the 4th air outlet, open described the first air outlet, described the first commutation assembly is closed described the 3rd air outlet, open described the second air outlet, the refrigerant in described compressor returns to described compressor through the heat exchanger in described the second cavity and the heat exchanger in described the first cavity successively.
In a preferred or optional embodiment, under heating mode, described the second commutation assembly is closed described the first air outlet, open described the 4th air outlet, described the first commutation assembly is closed described the 3rd air outlet, open described the second air outlet, the refrigerant in described compressor returns to described compressor through the heat exchanger in described the second cavity and the heat exchanger in described the first cavity successively.
In a preferred or optional embodiment, described commutation assembly is for controlling the evolution door of the folding of described air outlet.
In a preferred or optional embodiment, described evolution door is rotary door or sliding door.
In a preferred or optional embodiment, in described cavity, be also provided with blower fan.
For achieving the above object, the present invention also provides a kind of temperature and humidity regulation method of new blower fan group, and described new blower fan group comprises compressor, heat exchanger, commutation assembly and at least two cavitys, and described temperature and humidity regulation method is:
Under cool-down dehumidification pattern, the air outlet that makes to produce the cavity of cold wind by commutation assembly is communicated with indoor, to the indoor cold wind of sending into, reaches the object of dehumidifying and cooling;
Under heating mode, the air outlet that makes to produce the cavity of hot blast by commutation assembly is communicated with indoor, to indoor, veers away into hot blast, reaches the object of intensification;
Under dehumidification mode, by commutation assembly, the air outlet of cavity and the air outlet while of the cavity of generation hot blast that produce cold wind are communicated with indoor, suitable with hot blast rate to the indoor cold blast rate of sending into, reach the object that keeps indoor temperature and dehumidify.
Based on technique scheme, the present invention at least has following beneficial effect:
The present invention is carried out refrigerated dehumidification and is heated by heat exchanger, and by commutation assembly, control that to enter indoor be that cold wind is or/and hot blast, indoor while being cold wind when entering, to the indoor cool-down dehumidification that carries out, indoor while being hot blast when entering, to indoor, heat up, indoor while being cold wind and hot blast when entering, indoor temperature is remained unchanged, and reach the effect of dehumidifying, therefore, the present invention can regulate indoor temperature and humidity simultaneously, to meet the regulatory demand to the temperature and humidity of room air under different situations.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the first embodiment of new blower fan group provided by the invention;
Fig. 2 is the structural representation of the second embodiment of new blower fan group provided by the invention;
Fig. 3 is the structural representation under dehumidifying and cooling pattern embodiment illustrated in fig. 1;
Fig. 4 is the structural representation under dehumidification mode embodiment illustrated in fig. 1;
Fig. 5 is the structural representation under heating mode embodiment illustrated in fig. 1;
Fig. 6 is the structural representation under dehumidifying and cooling pattern embodiment illustrated in fig. 2;
Fig. 7 is the structural representation under dehumidification mode embodiment illustrated in fig. 2;
Fig. 8 is the structural representation under heating mode embodiment illustrated in fig. 2.
In accompanying drawing:
A/B-heat exchanger; C-choke valve; D-compressor; E-reversal valve; The K1/K2-assembly that commutates;
1-the first cavity; 11-the first air outlet; 12-the first air inlet; 13-the 4th air outlet; 14-First Heat Exchanger; K2-the second commutation assembly;
2-the second cavity; 21-the second air outlet; 22-the 3rd air outlet; 23-the second air inlet; 24-the second heat exchanger; K1-the first commutation assembly;
3-ajutage.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
First the principle of the present invention being used describes.
Refrigeration principle: compressor becomes high temperature and high pressure gas working medium by low-temp low-pressure gas compression, then pass through condenser, in condenser, be condensed into the liquid of cryogenic high pressure, after choke valve throttling, become the liquid of low-temp low-pressure.The liquid refrigerant of low-temp low-pressure is sent to evaporimeter, and in evaporimeter, heat absorption is evaporated and become the steam that pressure is lower, thereby completes kind of refrigeration cycle.
Dehumidification principle: carry out dew point dehumidifying by reducing the temperature of air, dew point dehumidifying refers to, air themperature is reduced to this kind of corresponding dew-point temperature of aerial temperature and humidity and reaches the object of dehumidifying to get off.One of them heat exchanger is in refrigerating state, and the new air temperature reduction through this heat exchanger, after temperature is reduced to below the corresponding dew-point temperature of this aerial temperature and humidity, reaches steam and separate out, and occurs condensed water, removes the object that condensed water reaches dehumidifying.
As shown in Figure 1 and Figure 2, new blower fan group provided by the invention, comprises heat exchanger A/B and compressor D, also comprises at least two cavitys; Heat exchanger A/B is arranged in cavity, is provided with air inlet and air outlet on cavity, also comprises at least one commutation assembly K1/K2, and commutation assembly K1/K2 blows to indoor or outdoors for controlling the wind of cavity by air outlet.Under cool-down dehumidification pattern, the air outlet that commutation assembly K1/K2 makes to produce the cavity of cold wind is communicated with indoor; Under heating mode, the air outlet that commutation assembly K1/K2 makes to produce the cavity of hot blast is communicated with indoor, and under dehumidification mode, commutation assembly K1/K2 makes to produce the air outlet of cavity of cold wind and the air outlet while that produces the cavity of hot blast is communicated with indoor.
The wind that not only can control cavity by commutation assembly K1/K2 is sent to indoor or blows to outdoorly, can also control and is sent to indoor or blows to outdoor air quantity.
The temperature and humidity regulation method of new blower fan group provided by the invention is: the wind of controlling cavity by commutation assembly K1/K2 is sent into indoor or blows to outdoor, and the air outlet that can make different cavitys is sent to indoor air quantity and matches, reach indoor temperature and humidity is regulated simultaneously, to meet the indoor regulatory demand to the temperature and humidity of air under different situations.
The temperature and humidity regulation method of new blower fan group provided by the invention specifically comprises following three kinds of patterns:
Under cool-down dehumidification pattern, the air outlet that makes to produce the cavity of cold wind by commutation assembly is communicated with indoor, makes to be sent to indoor cold blast rate and is greater than hot blast rate, reaches the object of cool-down dehumidification;
Under heating mode, the air outlet that makes to produce the cavity of hot blast by commutation assembly is communicated with indoor, makes to be sent to indoor hot blast rate and is greater than cold blast rate, reaches the object of intensification;
Under dehumidification mode, by commutation assembly, the air outlet of cavity and the air outlet while of the cavity of generation hot blast that produce cold wind are communicated with indoor, make to be sent to indoor hot blast rate suitable with cold blast rate, reach the object that keeps indoor temperature and dehumidify.
New blower fan group provided by the invention can be monolithic construction, be specifically as follows: each cavity is arranged in same housing, simple and compact for structure, whole new blower fan group can be arranged on outdoor, easy for installation, can reduce noise, and the wind that enters cavity by air inlet is all new wind, and then to be sent to indoor wind by air outlet be all also new wind, can improve indoor oxygen content, be convenient to displace indoor dirty gas.
In the illustrative examples of new blower fan group provided by the invention, commutation assembly K1/K2 can be arranged in cavity, and/or, being arranged in the ajutage being connected with the air outlet of cavity, ajutage can lead to indoor or lead to outdoor.On at least one cavity, at least two air outlets can be set, have at least an air outlet to lead to indoor, it is outdoor that air outlet leads to, and commutation assembly K1/K2 is for controlling the folding of air outlet.
By commutation assembly K1/K2, state or the state in closing completely that air outlet can be in opening completely, or in semi-open semi-closed state, to reach the object of the air output of controlling air outlet.
In the illustrative examples of new blower fan group provided by the invention, commutation assembly K1/K2 can for evolution door, shutter or other can be controlled, opening of air outlet be closed and the parts of folding amount.Evolution door can adopt the form of rotary door or sliding door.Evolution door can pass through driven by motor while rotating, and motor can be contained on the turning cylinder of position transformation door; Also can pass through gear or belt transmission, drive evolution door to rotate.During evolution door parallel, also can adopt rack-and-pinion to drive.
In the illustrative examples of new blower fan group provided by the invention, in each cavity, all can be provided with blower fan.
The first embodiment and second embodiment of new blower fan group provided by the invention of take is below example, is elaborated.
As shown in Figure 1, be the first embodiment of new blower fan group provided by the invention, as in Figure 3-5, be the schematic diagram under cool-down dehumidification pattern, dehumidification mode and heating mode respectively of the first embodiment shown in Fig. 1.
As shown in Figure 3, in the first embodiment, new blower fan group comprises the first cavity 1 and the second cavity 2;
The heat exchanger that is provided with the first air outlet 11 and the first air inlet 12, the first cavity 1 interior settings on the first cavity 1 is First Heat Exchanger 14;
The heat exchanger that is provided with the second air outlet 21, the 3rd air outlet 22 and the second air inlet 23, the second cavity 2 interior settings on the second cavity 2 is the second heat exchanger 24;
Also comprise a commutation assembly, this commutation assembly is the first commutation assembly K1, and the first commutation assembly K1 is for controlling the folding of the second air outlet 21 and the 3rd air outlet 22.For example: the first commutation assembly K1 can open the 3rd air outlet 22 for closing the second air outlet 21, or, close the 3rd air outlet 22, open the second air outlet 21;
The first air outlet 11 and the second air outlet 21 are all connected and pass into indoor ajutage 3, the three air outlets 22 and lead to outdoor.
In the first embodiment, the first cavity 1 can also be provided with the first blower fan, and the second cavity 2 is interior can also arrange the second blower fan.
Between First Heat Exchanger 14 and the second heat exchanger 24, by connecting line, be communicated with, on this connecting line, be provided with choke valve C, First Heat Exchanger 14 and the second heat exchanger 24 are connected respectively the first working hole and the second working hole of a reversal valve E, and the 3rd working hole of reversal valve E is all connected with compressor D with the 4th working hole.
The new blower fan group providing in the present embodiment mainly, by reversal valve E and commutation assembly, is carried out temperature, humidity regulation, and it at least has dehumidifying and cooling pattern, dehumidification mode and heating mode.
As shown in Figure 3, under dehumidifying and cooling pattern, First Heat Exchanger 14 is evaporimeter, and the second heat exchanger 24 is condenser, and the first commutation assembly K1 closes the second air outlet 21, open the 3rd air outlet 22, from compressor D out, by the effect of reversal valve E, refrigerant is introduced into the second heat exchanger 24 to refrigerant, then after choke valve C throttling, enter First Heat Exchanger 14, finally by reversal valve E, return to compressor D; In this process, the new wind after the second heat exchanger 24 effects is hot blast, by the 3rd air outlet 22, blows to outdoor; New wind after First Heat Exchanger 14 effects is cold wind, and after First Heat Exchanger 14 is cooling, dehumidifying and cooling, enters ajutage 3 by the first air outlet 11, is finally sent to indoor.Dehumidifying and cooling pattern is applicable to summer.
As shown in Figure 4, under dehumidification mode, First Heat Exchanger 14 is evaporimeter, and the second heat exchanger 24 is condenser, and the first commutation assembly K1 closes the 3rd air outlet 22, open the second air outlet 21, from compressor D out, by the effect of reversal valve E, refrigerant is introduced into the second heat exchanger 24 to refrigerant, then after choke valve C throttling, enter First Heat Exchanger 14, finally by returning to compressor D after reversal valve E; In this process, the new wind after the second heat exchanger 24 effects is hot blast, and hot blast enters ajutage 3 by the second air outlet 21; New wind after First Heat Exchanger 14 effects is cold wind, and after First Heat Exchanger 14 effects, has also reached the effect of dehumidifying, and cold wind enters ajutage 3 by the first air outlet 11; Cold wind and hot blast mix at ajutage 3, and temperature reaches balance, finally by ajutage 3, is sent to indoor.
In dehumidification mode, the dehumidified cooling of wind through First Heat Exchanger 14, not dehumidifying of wind through the second heat exchanger 24, being equivalent to be sent to indoor wind has the wind of half to pass through dehumidifying, and the temperature of cold wind and hot blast has been carried out balance, do not heat up and also do not lower the temperature, only dehumidify, this pattern is applicable to sky dehumidifying in spring and autumn and does not lower the temperature.
As shown in Figure 5, under heating mode, First Heat Exchanger 14 is condenser, and the second heat exchanger 24 is evaporimeter, and the first commutation assembly K1 closes the second air outlet 21, open the 3rd air outlet 22, from compressor D out, by the effect of reversal valve E, refrigerant is introduced into First Heat Exchanger 14 to refrigerant, then after choke valve C throttling, enter the second heat exchanger 24, finally by reversal valve E, return to compressor D; In this process, the new wind after First Heat Exchanger 14 effects is hot blast, by the first air outlet 11, enters ajutage 3, finally blows to indoor; New wind after the second heat exchanger 24 effects is cold wind, and cold wind blows to outdoor by the 3rd air outlet 22.Heating mode is applicable to winter.
In above-mentioned the first embodiment, reversal valve E can adopt cross valve, and cross valve is the conventional element device of refrigeration system, and it can adopt magnetic valve, relies on energising to realize the flow direction of refrigerant.
As shown in Figure 2, for the second embodiment of new blower fan group provided by the invention, as shown in Fig. 6-8, be the schematic diagram under cool-down dehumidification pattern, dehumidification mode and heating mode respectively of the second embodiment shown in Fig. 2.
As shown in Figure 6, in a second embodiment, new blower fan group comprises the first cavity 1 and the second cavity 2;
The heat exchanger that is provided with the first air outlet 11, the 4th air outlet 13 and the first air inlet 12, the first cavity 1 interior settings on the first cavity 1 is First Heat Exchanger 14;
The heat exchanger that is provided with the second air outlet 21, the 3rd air outlet 22 and the second air inlet 23, the second cavity 2 interior settings on the second cavity 2 is the second heat exchanger 24;
Also comprise two commutation assemblies, be respectively the first commutation assembly K1 and the second commutation assembly K2
The second commutation assembly K2 is for controlling the folding of the first air outlet 11 and the 4th air outlet 13.
The first commutation assembly K1 is for controlling the folding of the second air outlet 21 and the 3rd air outlet 22.
The first air outlet 11 and the second air outlet 21 are all connected and pass into indoor ajutage 3, the three air outlets 22 and the 4th air outlet 13 leads to outdoor.
In a second embodiment, the first cavity 1 can also be provided with the first blower fan, and the second cavity 2 is interior can also arrange the second blower fan.
Between First Heat Exchanger 14 and the second heat exchanger 24, by connecting line, be communicated with, be provided with choke valve C on this connecting line, First Heat Exchanger 14 is all connected with compressor D with the second heat exchanger 24.
In a second embodiment, the first commutation assembly K1 can close the second air outlet 21, opens the 3rd air outlet 22, or, close the 3rd air outlet 22, open the second air outlet 21.The second commutation assembly K2 can close the first air outlet 11, opens the 4th air outlet 13, or, close the 4th air outlet 13, open the first air outlet 11.
The new blower fan group providing in the present embodiment mainly, by the first commutation assembly K1 and the second commutation assembly K2, dehumidifies and temperature adjustment, and it at least has dehumidifying and cooling pattern, dehumidification mode and heating mode.
As shown in Figure 6, under dehumidifying and cooling pattern, First Heat Exchanger 14 is evaporimeter, and the second heat exchanger 24 is condenser, the second commutation assembly K2 closes the 4th air outlet 13, open the first air outlet 11, the first commutation assembly K1 and close the second air outlet 21, open the 3rd air outlet 22, refrigerant from compressor D out, be introduced into the second heat exchanger 24, then after choke valve C throttling, enter First Heat Exchanger 14, finally return to compressor D.In this process, the new wind after the second heat exchanger 24 effects is hot blast, by the 3rd air outlet 22, blows to outdoor; New wind after First Heat Exchanger 14 effects is cold wind, after First Heat Exchanger 14, removes airborne humidity, and lowers the temperature, and the new wind after cool-down dehumidification enters ajutage 3 by the first air outlet 11, is finally sent to indoor.Dehumidifying and cooling pattern is applicable to summer.
As shown in Figure 7, under dehumidification mode, First Heat Exchanger 14 is evaporimeter, and the second heat exchanger 24 is condenser, the second commutation assembly K2 closes the 4th air outlet 13, open the first air outlet 11, the first commutation assembly K1 and close the 3rd air outlet 22, open the second air outlet 21, refrigerant from compressor D out, be introduced into the second heat exchanger 24, then after choke valve C throttling, enter First Heat Exchanger 14, finally return to compressor D.In this process, the new wind after the second heat exchanger 24 effects is hot blast, by the second air outlet 21, enters ajutage 3; New wind after First Heat Exchanger 14 effects is cold wind, after First Heat Exchanger 14, remove airborne humidity, and lower the temperature, new wind after cool-down dehumidification enters ajutage 3 by the first air outlet 11, cold wind and hot blast mix at ajutage 3, and temperature reaches balance, finally by ajutage 3, is sent to indoor.
In dehumidification mode, wind through First Heat Exchanger 14 is dehumidified, not dehumidifying of wind through the second heat exchanger 24, being equivalent to be sent to indoor wind has the wind of half dehumidified, and the temperature of cold wind and hot blast has been carried out balance, do not heat up and also do not lower the temperature, only dehumidify, this pattern is applicable to sky dehumidifying in spring and autumn and does not lower the temperature.
As shown in Figure 8, under heating mode, First Heat Exchanger 14 is evaporimeter, and the second heat exchanger 24 is condenser, the second commutation assembly K2 closes the first air outlet 11, open the 4th air outlet 13, the first commutation assembly K1 and close the 3rd air outlet 22, open the second air outlet 21, refrigerant from compressor D out, be introduced into the second heat exchanger 24, then after choke valve C throttling, enter First Heat Exchanger 14, finally return to compressor D.In this process, the new wind after the second heat exchanger 24 effects is hot blast, by the second air outlet 21, enters ajutage 3, is finally sent to indoor; New wind after First Heat Exchanger 14 effects is cold wind, and cold wind blows to outdoor by the 4th air outlet 13.Heating mode is applicable to winter.
In above-mentioned the first embodiment and the second embodiment, the first commutation assembly K1 and the second commutation assembly K2 all can open air outlet completely or close air outlet completely, or make air outlet there is certain folding amount, in semi-open semi-closed state, but above-mentioned the first embodiment and the second embodiment all be take to open air outlet completely or close air outlet completely and are described as example.
In above-mentioned the first embodiment and the second embodiment, refrigerant state variation is as follows, after compressor D compression, and the gas of HTHP; After condenser condenses, the liquid of middle temperature high pressure; After choke valve throttling, the two phase flow of low temperature, low pressure; After evaporator evaporation, the gas of low-temp low-pressure.
In above-mentioned the first embodiment and the second embodiment, can adopt common R22 refrigerant, general 70~90 degrees Celsius of temperature, after condensation, temperature is 40 degrees Celsius of left and right.
New blower fan group provided by the invention, at summer temperature, when humidity is all large, can dehumidifies, lower the temperature; Spring and autumn sky temperature be applicable to, but humidity is when larger, can dehumidify, and does not lower the temperature; Lower at winter temperature, when humidity is suitable, can carry out hyperthermic treatment, therefore, can meet the indoor regulatory demand to the temperature and humidity of air under different situations, and its structure is monoblock type, simple and compact for structure, be particularly useful for average family.
In description of the invention; it will be appreciated that; use the words such as " first ", " second ", " the 3rd ", " the 4th " to limit parts or position; be only used to be convenient to above-mentioned parts or position are distinguished; as there is no a Stated otherwise; above-mentioned word does not have particular meaning, therefore can not be interpreted as limiting the scope of the invention.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.

Claims (17)

1. a new blower fan group, comprise compressor, heat exchanger and at least two cavitys, described heat exchanger is arranged in described cavity, on described cavity, be provided with air inlet and air outlet, it is characterized in that: also comprise at least one commutation assembly, described commutation assembly is for controlling wind in described cavity to indoor or outdoors.
2. new blower fan group as claimed in claim 1, is characterized in that: under cool-down dehumidification pattern, the air outlet that described commutation assembly makes to produce the described cavity of cold wind is communicated with indoor; Under heating mode, the air outlet that described commutation assembly makes to produce the described cavity of hot blast is communicated with indoor; Under dehumidification mode, described commutation assembly makes to produce the air outlet of described cavity of cold wind and the air outlet of the described cavity of generation hot blast is communicated with indoor simultaneously.
3. new blower fan group as claimed in claim 1, is characterized in that: described new blower fan group is to be arranged on outdoor monolithic construction.
4. new blower fan group as claimed in claim 1, is characterized in that: described commutation assembly is arranged in described cavity, and/or, be arranged in the ajutage being connected with the air outlet of described cavity.
5. new blower fan group as claimed in claim 1, it is characterized in that: described at least one, on cavity, be provided with at least two air outlets, described at least one, air outlet leads to indoorly, and it is outdoor that described air outlet leads to, and described commutation assembly is controlled the folding of described air outlet.
6. the new blower fan group as described in claim 1-5 any one, is characterized in that: comprise two described cavitys, be respectively the first cavity and the second cavity;
On described the first cavity, be provided with the first air outlet and the first air inlet,
On described the second cavity, be provided with the second air outlet, the 3rd air outlet and the second air inlet,
Also comprise the first commutation assembly, described the first commutation assembly is for controlling the folding of described the second air outlet and described the 3rd air outlet;
Described the first air outlet is all connected and passes into indoor ajutage with described the second air outlet.
7. new blower fan group as claimed in claim 6, it is characterized in that: also comprise reversal valve, under dehumidifying and cooling pattern, described the first commutation assembly is closed described the second air outlet, open described the 3rd air outlet, the refrigerant that described reversal valve is controlled in described compressor returns to described compressor successively after the heat exchanger in the heat exchanger in described the second cavity and described the first cavity.
8. new blower fan group as claimed in claim 6, it is characterized in that: also comprise reversal valve, under dehumidification mode, described the first commutation assembly is closed described the 3rd air outlet, open described the second air outlet, the refrigerant that described reversal valve is controlled in described compressor returns to described compressor successively after the heat exchanger in the heat exchanger in described the second cavity and described the first cavity.
9. new blower fan group as claimed in claim 6, it is characterized in that: also comprise reversal valve, under heating mode, described the first commutation assembly is closed described the second air outlet, open described the 3rd air outlet, the refrigerant that described reversal valve is controlled in described compressor returns to described compressor through the heat exchanger in described the first cavity and the heat exchanger in described the second cavity successively.
10. new blower fan group as claimed in claim 6, is characterized in that: also comprise the second commutation assembly, be also provided with the 4th air outlet on described the first cavity, described the second commutation assembly is for controlling the folding of described the first air outlet and described the 4th air outlet.
11. new blower fan groups as claimed in claim 10, it is characterized in that: under dehumidifying and cooling pattern, described the second commutation assembly is closed described the 4th air outlet, open described the first air outlet, described the first commutation assembly is closed described the second air outlet, open described the 3rd air outlet, the refrigerant in described compressor returns to described compressor successively after the heat exchanger in the heat exchanger in described the second cavity and described the first cavity.
12. new blower fan groups as claimed in claim 10, it is characterized in that: under dehumidification mode, described the second commutation assembly is closed described the 4th air outlet, open described the first air outlet, described the first commutation assembly is closed described the 3rd air outlet, open described the second air outlet, the refrigerant in described compressor returns to described compressor through the heat exchanger in described the second cavity and the heat exchanger in described the first cavity successively.
13. new blower fan groups as claimed in claim 10, it is characterized in that: under heating mode, described the second commutation assembly is closed described the first air outlet, open described the 4th air outlet, described the first commutation assembly is closed described the 3rd air outlet, open described the second air outlet, the refrigerant in described compressor returns to described compressor through the heat exchanger in described the second cavity and the heat exchanger in described the first cavity successively.
14. new blower fan groups as described in claim 1-5 any one, is characterized in that: described commutation assembly is for controlling the evolution door of the folding of described air outlet.
15. new blower fan groups as claimed in claim 14, is characterized in that: described evolution door is rotary door or sliding door.
16. new blower fan groups as described in claim 1-5 any one, is characterized in that: in described cavity, be also provided with blower fan.
The temperature and humidity regulation method of 17. 1 kinds of new blower fan groups, is characterized in that: described new blower fan group comprises compressor, heat exchanger, commutation assembly and at least two cavitys, and described temperature and humidity regulation method is:
Under cool-down dehumidification pattern, the air outlet that makes to produce the cavity of cold wind by commutation assembly is communicated with indoor, to the indoor cold wind of sending into, reaches the object of dehumidifying and cooling;
Under heating mode, the air outlet that makes to produce the cavity of hot blast by commutation assembly is communicated with indoor, to indoor, veers away into hot blast, reaches the object of intensification;
Under dehumidification mode, by commutation assembly, the air outlet of cavity and the air outlet while of the cavity of generation hot blast that produce cold wind are communicated with indoor, suitable with hot blast rate to the indoor cold blast rate of sending into, reach the object that keeps indoor temperature and dehumidify.
CN201410386553.5A 2014-08-07 2014-08-07 Fresh air handling unit and temperature and humidity adjusting method Active CN104121676B (en)

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