CN111503727A

CN111503727A - Regional multi-power independent control wind system and method

Info

Publication number: CN111503727A
Application number: CN202010355331.2A
Authority: CN
Inventors: 魏鸿彬; 朱会君
Original assignee: Do You Have Industrial Chongqing Co ltd
Current assignee: Do You Have Industrial Chongqing Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-08-07

Abstract

The invention relates to the field of air supply, in particular to a regional multi-power independent control air system and a regional multi-power independent control air method. The air system comprises a shell, the shell comprises an air return opening and a fresh air inlet, an air distribution part which comprises the air return opening and the fresh air inlet and corresponds to the air return path and the fresh air path on the shell comprises a plurality of corresponding fan power unit modules, and the fan power unit modules can be combined for use; each fan power unit module can be used as a power part for supplying air or returning air and corresponds to an area; i.e., each fan power unit module is ducted to its corresponding area. The device has the advantages of simple structure, independent control in different areas, low failure rate, easy use and energy conservation; creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

Description

Regional multi-power independent control wind system and method

Technical Field

The invention relates to the field of air supply, in particular to a regional multi-power independent control air system and a regional multi-power independent control air method.

Background

The whole air system is used as a relatively excellent heating and ventilation system, cannot enter common families, and has high energy consumption and mixed air which are very important reasons, the traditional solution is to realize individual control by using a form of an air pipe and an air valve for adjusting the air flow, only a few manufacturers in the world can provide a mature solution due to complex control, and the implementation scheme has high cost and higher failure rate;

partial defects of the traditional full air system and the traditional fresh air system are as follows:

1. in the existing home system of the all-air system, in order to reduce the failure rate and the hardware cost, most constant air volume CAV systems cause great waste of electric quantity, because even in a room without people living or moving, the heat load and the humidity load are brought into the room through the air mixing mechanism, namely the closing in the independent room can not be carried out.

2. The total air system is not easy to realize control household control, if a variable total air VAV system is realized, the tail end of the variable total air VAV system needs to be controlled by an electric adjusting valve, a large number of control valve parts are provided, and the control system is also complex, so that the attractiveness, the failure rate and the hardware cost of decoration (especially home decoration) are increased, and the electric adjusting valve can generate larger noise to influence the rest of a user when the tail end works.

Disclosure of Invention

The purpose of the invention is as follows: the specific purpose of the system and the method is to realize a plurality of substantial technical effects of the specific implementation part.

In order to achieve the purpose, the invention adopts the following technical scheme:

the first scheme is as follows:

the multi-power independent control air system with different regions is characterized in that the fresh air system comprises a shell, the shell comprises a return air inlet 21 and a fresh air inlet 23, the air distribution part which comprises the return air inlet 21 and the fresh air inlet 23 and corresponds to the return air path and the fresh air path on the shell comprises a plurality of corresponding fan power unit modules 10, and the fan power unit modules 10 can be combined for use; each fan power unit module 10 can be used as a power part for supplying air or returning air and corresponds to an area; i.e. each fan power unit module 10 is ducted to its respective area.

The invention further adopts the technical scheme that the fan power unit module 10 can realize the fan stepless speed regulation scheme through voltage regulation, frequency conversion, 0-10V voltage regulation and PMV regulation.

The further technical scheme of the invention is that the fan power unit module 10 comprises a fan shell 34, the fan shell 34 comprises a fan 35, and the fan 35 comprises a fan control line contact 32 and a fan power input contact 33.

The invention further adopts the technical scheme that the fan power unit modules 10 comprise upper and lower layers, and each fan power unit module 10 comprises an independent motor matched with a corresponding air pipe for returning air; the upper layer and the lower layer are used for supplying air, and the other layer is used for returning air.

The invention further adopts the technical scheme that the interior of the shell is divided into two parts by a return air partition plate 17, wherein the two parts are an air supply part and an air return part respectively, a fresh air inlet 23 on the air supply part faces to a bag type medium-effect filter screen 20, the bag type medium-effect filter screen 20 is arranged in the air supply part, the rear part of the bag type medium-effect filter screen 20 comprises a high-efficiency filter screen 18, and the side of the high-efficiency filter screen 18 comprises an ultraviolet sterilization module 27; the rear of the ultraviolet sterilization module 27 is provided with an air supply trapezoidal channel 14,

the air supply trapezoidal channel 14 leads to a heat exchanger 13, and a fresh air pipe extending out of the heat exchanger 13 corresponds to a plurality of fan power unit modules 10 for supplying air.

The further technical proposal of the invention is that the heat exchange 13 is connected with a return air trapezoidal channel 15, and the return air supporting plate corresponds to a return air inlet 21 on the shell; the return air inlet corresponding to the heat exchanger 13 is also a plurality of fan power unit modules 10 for return air.

The further technical scheme of the invention is that the side of the ultraviolet sterilization module 27 also comprises a dehumidification/refrigeration module 26, and the dehumidification/refrigeration module 26 is connected with an external outdoor unit; which can regulate temperature and humidity.

The invention has the further technical scheme that the corresponding area comprises a human body detection probe which can detect the existence of a human body; the human body detection probe is a human body static detection probe or a carbon dioxide detector.

The invention has the further technical scheme that the shell comprises a plurality of access doors; the human body detection probe is in communication connection with a central control system, and the central control system is in communication connection with a control part of a fan of the fan power unit module 10.

The invention further has the technical scheme that the device also comprises an open change port structure, wherein the change port structure is designed by any one or two of the following structures;

the change port is of a valve structure capable of blocking or opening the return air inlet 21, and the change port is a return air bypass valve 19, and the return air bypass valve 19 comprises a return air bypass valve rotating shaft 9; the rotating shaft 9 of the return air bypass valve is arranged on the position, close to the return air inlet 21, of the return air partition plate 17, and the return air inlet 36 is arranged on the return air partition plate 17; the plate-like structure of the return air bypass valve 19 can close either the return air inlet 36 or the return air inlet 21;

the change port is arranged on the inclined part of the air returning partition plate 17 at the side of the dehumidification/refrigeration module 26 in the fresh air duct, the rotating shaft of the humidity control door is fixedly connected with the humidity control door 37, after the humidity control door 37 rotates, the wind power contacts the dehumidification/refrigeration module 26, then the wind power can enter the air further only through the dehumidification/refrigeration module 26, after the humidity control door 37 rotates, the wind power is separated from the dehumidification/refrigeration module 26, and then the wind power can bypass the dehumidification/refrigeration module 26 from the opening part opened by the humidity control door 37 to directly enter the heat exchange 13 at the next position.

Scheme II:

the method for independently controlling the whole air by regions and multiple powers is characterized in that the fresh air system comprises the following steps:

the fan power unit modules 10 realize independent control in different areas by controlling the motors in corresponding areas, and realize a fan stepless speed regulation scheme by voltage regulation, frequency conversion, 0-10V, PMV regulation and other modes, so that the control of stepless regulation of air feeding quantity, temperature and humidity and a bypass valve is realized according to user requirements or setting;

the upper layer and the lower layer are respectively provided with a plurality of compact motors, a plurality of fan power unit modules 10 realize regional independent control through the control of the motors, a stepless speed regulation scheme is realized by voltage regulation, frequency conversion, 0-10V, PMV regulation and other modes, the air volume of the return air is regulated controllably and steplessly as required, and the design difficulty is greatly reduced;

by independently controlling the fans of the corresponding areas, multi-area isolation can be realized, each area can be independently controlled according to the requirements of users on air quantity and temperature and humidity, no influence is caused on other areas, and one-to-one accurate control can be realized;

whether a person is in the area is checked through a static human body detection probe or a carbon dioxide probe or other detection modes, or through a preset time period program, an air conditioning scheme of a designated area is started through a fan of the area, and the air supply quantity and the air temperature are adjusted by adjusting the rotating speed of the fan according to needs; other areas not triggered by the condition may then shut down the wind system or initiate a moisture-proof ventilation mode;

the fan adopts a modular design, a power supply and a control line can be designed on the shell to serve as multiple contacts, and after the fan is inserted in the direction, the fan and the shell can be fused into a functional unit together with a machine to start a regional return scheme; the power fan unit, the dehumidification unit, the cold and hot unit and the like can be conveniently added according to needs, the structure is simple, and the failure rate is low;

the number and the positions of the motor units are selected according to the number of the sending-back areas, the positions of the motor units are not needed, and the motor units can be plugged by using blind plates; the filtering unit is used for processing the air quality; the dehumidification and refrigeration heating unit can independently control the temperature and the humidity.

Compared with the prior art, the invention adopting the technical scheme has the following beneficial effects: the method adopts a mature technology, and a brand-new VAV variable air volume full air system or variable air volume fresh air system is completed through a mature form of a compact variable frequency motor, an independent air pipe, a shared exchange core and a shared static pressure distribution box; by using an innovative thought, the device has the advantages of simple structure, independent control in different areas, low failure rate, easiness in use and energy conservation; creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

Drawings

To further illustrate the present invention, further description is provided below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the overall explosion of the invention;

FIG. 2 is a perspective view from another perspective;

FIG. 3 is a schematic view of a fan unit;

FIG. 4 is an overall perspective view;

FIG. 5 is a perspective view of another perspective of the whole;

FIG. 6 is a top view of the overall structure;

FIG. 7 is a partial structural view of an opening portion;

wherein: 1, an upper cover plate of a shell; 2, an air filtering unit access door; 3 a refrigeration/dehumidification unit access door; 4, a heat exchange access door; 5, a first shell side plate; 6, an electric cabinet; 7, lifting lugs; 8, upper and lower fan baffles; 9, returning the air from the indoor end to the side plate of the integrated shell; 10 a fan power unit module; 11 a fan baffle plate; 12 a second shell side plate; 13, heat exchange; 14 air supply trapezoidal channels; 15 air return trapezoidal channels; 16 returning the wind supporting plate; 17 returning to the air partition plate; 18 high-efficiency filter screen; 19 return air bypass valves; 20 bags of medium-efficiency filter screens; 21 air return inlet; 22 coarse filter screen; 23 a fresh air inlet; 24, an outdoor end air inlet and exhaust integrated shell side plate; 25, repairing the door handle; 26 a dehumidification/refrigeration module; 27 ultraviolet sterilization module; 28 refrigeration/dehumidification external units; 29 a controller; 30, a hinge; 31 a housing floor; 32 fan control line contacts; 33 fan power input contacts; 34 a fan housing; 35 a fan; 36. a return air port; 37. a humidity control door; 38. a humidity control door spindle; 39. a humidity inlet; 40. the rotating shaft of the return air bypass valve.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features.

The first embodiment is as follows: combine fig. 1 and fig. 2; the multi-power independent control air system with different regions is characterized in that the air system comprises a shell, the shell comprises a return air inlet 21 and a fresh air inlet 23, the air distribution part which comprises the return air inlet 21 and the fresh air inlet 23 and corresponds to the return air path and the fresh air path on the shell comprises a plurality of corresponding fan power unit modules 10, and the fan power unit modules 10 can be combined for use; each fan power unit module 10 can be used as a power part for supplying air or returning air and corresponds to an area; i.e., each fan power unit module 10 is ducted to its corresponding area. The technical scheme of the invention has the following substantial technical effects and the realization process thereof: the compact fans with the motors realize independent control in different areas by controlling the motors in corresponding areas, and realize a fan stepless speed regulation scheme by voltage regulation, frequency conversion, 0-10V, PMV regulation and other modes, so that the control of stepless regulation of air feeding quantity, temperature and humidity and a bypass valve is realized according to the requirements or settings of users; through the independent control to corresponding regional fan, can realize that multizone is kept apart, every region is according to the demand independent control of user to amount of wind, humiture, does not have any influence to other regions, can accomplish the accurate control of one-to-one.

Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

Example two: as a further improvement scheme, a parallel scheme or an optional independent scheme, the fan power unit module 10 can realize a fan stepless speed regulation scheme through voltage regulation, frequency conversion, voltage regulation of 0-10V and PMV regulation. The technical scheme of the invention has the following substantial technical effects and the realization process: there are many possible shifting schemes and similar implementations are within the scope of this patent.

Example three: as a further modification or in parallel or alternatively independently, the fan power unit module 10 includes a fan housing 34, the fan housing 34 including a fan 35, the fan 35 including a fan control line contact 32 and a fan power input contact 33. The technical scheme of the invention has the following substantial technical effects and the realization process: the fan adopts a modular design, a power supply and a control line can be designed on the shell to be used as multiple contacts, and after the fan is inserted in the direction, the fan and the shell can be fused into a functional unit together with a machine, and a regional return scheme is started; the power fan unit, the dehumidification unit, the cold and hot unit and the like can be conveniently added according to needs, the structure is simple, and the failure rate is low. Detailed description: the number and the positions of the motor units are selected according to the number of the sending-back areas, the positions of the motor units are not needed, and the motor units can be plugged by using blind plates; the filtering unit is used for processing the air quality; the dehumidification and refrigeration heating unit can independently control the temperature and the humidity;

example four: as a further improved scheme or a parallel scheme or a selectable independent scheme, the fan power unit modules 10 comprise upper and lower layers, and each fan power unit module 10 comprises an independent motor matched with a corresponding air pipe for returning air; the upper layer and the lower layer are used for supplying air, and the other layer is used for returning air. The technical scheme of the invention has the following substantial technical effects and the realization process: can be used for the return air one deck, the one deck is used for the air supply, also can mix and take the use, and similar realization all is in the protection of this patent.

Example five: as a further improvement scheme or a parallel scheme or a selectable independent scheme, the interior of the shell is divided into two parts by a return air partition plate 17, the two parts are an air supply part and an air return part respectively, a fresh air inlet 23 on the air supply part faces to a bag type medium-effect filter screen 20, the bag type medium-effect filter screen 20 is installed in the air supply part, the rear part of the bag type medium-effect filter screen 20 comprises a high-efficiency filter screen 18, and the side of the high-efficiency filter screen 18 comprises an ultraviolet sterilization module 27; the rear of the ultraviolet sterilization module 27 is provided with an air supply trapezoidal channel 14,

the air supply trapezoidal channel 14 leads to a heat exchanger 13, and a fresh air pipe extending out of the heat exchanger 13 corresponds to a plurality of fan power unit modules 10 for supplying air. The technical scheme of the invention has the following substantial technical effects and the realization process: the fresh air enters the room after being filtered and disinfected and exchanges heat with the return air, so that heat loss or cold loss is avoided.

Example six: as a further improvement or in parallel or alternatively independently, the heat exchanger 13 is connected to the return air trapezoidal channel 15, and the return air supporting plate corresponds to the return air inlet 21 on the casing; the return air inlet corresponding to the heat exchanger 13 is also a plurality of fan power unit modules 10 for return air. The technical scheme of the invention has the following substantial technical effects and the realization process: the arrangement of the air return channel can be changed properly, preferably the trapezoidal channel shown in the figure is selected, and wind power distribution is realized; while heat exchange is an undoubted prior art, its implementation is not without any problems.

Example seven: as a further improvement scheme or a parallel scheme or an optional independent scheme, the side of the ultraviolet sterilization module 27 further comprises a dehumidification/refrigeration module 26, and the dehumidification/refrigeration module 26 is connected to an external outdoor unit; which can regulate temperature and humidity. The technical scheme of the invention has the following substantial technical effects and the realization process: can also realize the adjustment of temperature and humidity,

Example eight: as a further modifiable or juxtaposed or optionally independent solution, the corresponding area comprises a human body detection probe, which is able to detect the presence of a human; the human body detection probe is a human body static detection probe or a carbon dioxide detector. The technical scheme of the invention has the following substantial technical effects and the realization process: the upper layer and the lower layer are respectively provided with a plurality of compact motors, the plurality of motor compact fans realize regional independent control through the control of the motors, a stepless speed regulation scheme is realized by voltage regulation, frequency conversion, 0-10V, PMV regulation and other modes, the air volume of the return air is regulated controllably and steplessly as required, and the design difficulty is greatly reduced; the number of the 6 fans can be adjusted according to needs;

the scheme can check whether a person is in the area or not by a static human body detection probe or a carbon dioxide probe detection mode, or start an air conditioning scheme of a designated area by a fan of the area through a preset time period program, and adjust the rotating speed of the fan to adjust the air supply quantity and the air temperature according to the requirement; other areas not triggered by the condition may then shut down the wind system or initiate a moisture-proof ventilation mode; in the demonstration case, when the system is used under the condition of not full load, such as a master bedroom and a living room, the system needs normal standard air quantity when using the bedroom 18:00-8:00, the living room 17:00-10:00, the traditional CAV scheme or a common fresh air system can continuously consume energy in the area and time without human activities;

the upper and lower layers and the independent motor are matched with the corresponding air pipe to send air back, so that the construction is more convenient. The construction efficiency is higher;

the problem of electricity waste of a constant air quantity CAV system in a traditional full air system is solved;

the problems that in a traditional full-air system, a variable air VAV system is high in hardware cost and affects decoration attractiveness, a control system is too complex, the failure rate is high, and the tail end of the system is high in noise due to the fact that an electric adjusting valve is required to control the tail end of the system;

the problem of can divide regional independent control is solved to realize carrying out the control of infinitely variable control volume of sending back wind and humiture according to user's demand or setting.

Example nine: as a further development or in parallel or alternatively independently, the housing comprises a plurality of access doors; the human body detection probe is in communication connection with a central control system, and the central control system is in communication connection with a control part of a fan of the fan power unit module 10. The technical scheme of the invention has the following substantial technical effects and the realization process: the access door is used for accessing various objects in the shell; the communication section can be automatically controlled.

Example ten: as a further development or a side-by-side or alternatively independent solution, the modified structure is designed as either or both of the following;

The return air inlet 21 is opened by closing the return air inlet 36, thus being used for outdoor and indoor ventilation;

the return air opening 36 is opened to close the return air opening 21, thereby being used for indoor circulation ventilation.

Example eleven: as a further development or a parallel development or an alternative independent development, a method for the zonal multi-power independent control of the total air, characterized in that with a wind system according to any one of the above, comprises the following steps:

whether a person is in the area is checked in a static human body detection probe or carbon dioxide probe detection mode, or an air conditioning scheme of a designated area is started through a fan of the area through a preset time period program, and the air supply quantity and the air temperature are adjusted by adjusting the rotating speed of the fan according to needs; other areas not triggered by the condition may then shut down the wind system or initiate a moisture-proof ventilation mode;

In general, the VAV variable air volume air-conditioning system adopts a mature technology, and a brand-new VAV variable air volume air system or variable air volume fresh air system is completed through a mature form of a compact variable frequency motor, an independent air pipe, a shared exchange core and a shared static pressure distribution box; by using an innovative thought, the device has the advantages of simple structure, independent control in different areas, low failure rate, easiness in use and energy conservation; creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

The technical effect that above structure was realized realizes clearly, if do not consider additional technical scheme, this patent name can also be a novel ventilation mechanism. Some details are not shown in the figures.

It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is to be limited to the embodiments described above.

Claims

1. The multi-power independent control air system with the divided areas is characterized in that the fresh air system comprises a shell, the shell comprises a return air inlet (21) and a fresh air inlet (23), the air dividing part which comprises the return air inlet (21) and the fresh air inlet (23) and corresponds to the return air path and the fresh air path on the shell comprises a plurality of corresponding fan power unit modules (10), and the fan power unit modules (10) can be combined for use; each fan power unit module (10) can be used as a power part for supplying air or returning air and corresponds to one area; i.e. each fan power unit module (10) is connected to its respective area by a protruding duct.

2. The system of claim 1, wherein the fan power unit module (10) is capable of achieving a fan stepless speed regulation scheme through voltage regulation, frequency conversion, 0-10V voltage regulation, and PMV regulation.

3. The split-zone multi-power independent control wind system according to claim 1, wherein the fan power unit module (10) comprises a fan housing (34), the fan housing (34) comprising a fan (35), the fan (35) comprising a fan control line contact (32) and a fan power input contact (33).

4. The system according to claim 1, wherein the fan power unit modules (10) comprise upper and lower layers, each fan power unit module (10) comprises an independent motor and is matched with a corresponding air pipe to supply air back; the upper layer and the lower layer are used for supplying air, and the other layer is used for returning air.

5. The regional multi-power independent control air system according to claim 1, wherein the interior of the casing is divided into two parts by a return air partition plate (17), the two parts are an air supply part and an air return part respectively, a fresh air inlet (23) on the air supply part faces to a bag type medium-effect filter screen (20), the bag type medium-effect filter screen (20) is installed in the air supply part, a high-efficiency filter screen (18) is arranged behind the bag type medium-effect filter screen (20), and an ultraviolet sterilization module (27) is arranged at the side of the high-efficiency filter screen (18); an air supply trapezoidal channel (14) is arranged behind the sterilization module (27), the air supply trapezoidal channel (14) leads to the heat exchanger (13), and a fresh air pipe extending out of the heat exchanger (13) corresponds to the plurality of fan power unit modules (10) used for supplying air.

6. The zoned multi-power independent control air system according to claim 5, wherein the heat exchanger (13) is connected to a return air ladder (15), and the return air support plate corresponds to a return air inlet (21) on the housing; the return air inlet corresponding to the heat exchange (13) is also provided with a plurality of fan power unit modules (10) for return air.

7. The system according to claim 5, wherein the dehumidification/refrigeration module (26) is further included at a side of the ultraviolet sterilization module (27), and the dehumidification/refrigeration module (26) is connected to an external outdoor unit; which can regulate temperature and humidity.

8. The zoned multi-power independently controlled wind system of claim 1, wherein the corresponding zones comprise human body detection probes, the human body detection probes capable of detecting the presence of a human; the human body detection probe is a human body static detection probe or a carbon dioxide detector.

9. The zoned multi-power independent control wind system according to claim 5 or 7, wherein the housing includes a plurality of access doors; the human body detection probe is in communication connection with a central control system, and the central control system is in communication connection with a control part of a fan power unit module (10).

10. The zoned multi-power independent control wind system according to claim 1, further comprising an open change port structure, the change port structure being designed for either or both of;

the change port is of a valve structure capable of blocking or opening the return air port (21), the change port is a return air bypass valve (19), and the return air bypass valve (19) comprises a return air bypass valve rotating shaft (9); the rotating shaft (9) of the return air bypass valve is arranged on the position, close to the return air inlet (21), of the return air partition plate (17), and the return air inlet (36) is formed in the return air partition plate (17); the plate-shaped structure of the return air bypass valve (19) can close one of the return air inlet (36) or the return air inlet (21);

the change mouth is installed on the sloping portion of sending back wind baffle (17) of dehumidification/refrigeration module (26) avris in the new trend wind path, humidity control door (37) are connected to humidity control door pivot fixed, humidity control door (37) rotate the back wind-force of contact dehumidification/refrigeration module (26) must pass through dehumidification/refrigeration module (26) just can further the air inlet, humidity control door (37) rotate the back and break away from dehumidification/refrigeration module (26) back wind-force can directly get into heat exchange (13) of next position around dehumidification/refrigeration module (26) from the oral area that humidity control door (37) opened.

11. A method for independently controlling whole air by using multiple powers in different areas, which is characterized in that the fresh air system of any one of claims 1 to 10 is utilized, and the method comprises the following steps:

the fan power unit modules (10) realize independent control in different areas by controlling the motors in corresponding areas, and realize a fan stepless speed regulation scheme by using voltage regulation, frequency conversion, 0-10V, PMV regulation and other modes, so that the control of stepless regulation of air feeding quantity, temperature and humidity and a bypass valve is realized according to the requirements or settings of users;

the upper layer and the lower layer are respectively provided with a plurality of compact motors, a plurality of fan power unit modules (10) realize independent control in different regions through the control of the motors, a stepless speed regulation scheme is realized by voltage regulation, frequency conversion, 0-10V, PMV regulation and other modes, the air volume of the return air can be regulated in a controllable and stepless manner as required, and the design difficulty is greatly reduced;

whether a person is in the area is checked in a static human body detection probe or carbon dioxide probe detection mode, or an air conditioning scheme of a designated area is started through a fan of the area through a preset time period program, and the air supply quantity and the air temperature are adjusted by adjusting the rotating speed of the fan according to needs; other areas not triggered by the condition may then shut down the wind system or initiate a moisture-proof ventilation mode through a weak stop;