CN214581491U

CN214581491U - Air handling unit with surface cooler drying device

Info

Publication number: CN214581491U
Application number: CN202120312629.5U
Authority: CN
Inventors: 林勇强; 唐秋明
Original assignee: Licheng Construction Engineering Shanghai Co ltd
Current assignee: Licheng Construction Engineering Shanghai Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-02
Anticipated expiration: 2031-02-03

Abstract

The utility model belongs to the technical field of air handling units, in particular to an air handling unit with a surface cooler drying device, which comprises an air handling passage, wherein the air handling passage is provided with an air inlet and an air return inlet, and a filter plate, a surface cooler, a heater, a humidifier and a fan are sequentially arranged in the air handling passage; the two sides of the air processing channel are provided with ventilation structures which are arranged on the two sides of the surface air cooler; the ventilation structure comprises a vent hole and a movable plate for controlling the vent hole to be opened, and the vent hole can be opened or closed when the movable plate moves; the vent holes arranged on the two sides of the surface cooler form an air circulation environment, and the air circulates and takes away the moisture attached to the surface of the surface cooler; this drying device can air-dry the moisture that stops on the surface of surface cooler, and the air current that carries moisture outwards discharges through the circulation hole of air handling unit both sides.

Description

Air handling unit with surface cooler drying device

Technical Field

The utility model belongs to the technical field of the air treatment unit, specifically be an air treatment unit with surface cooler drying device.

Background

The existing air handling unit handles fresh air entering indoors from the outside and return air circulating indoors, and comprises an air handling channel; a filter plate, a surface cooler, a heater, a humidifier and a fan are sequentially arranged in the air treatment channel; through the air handling unit, particles in the air can be filtered, and the air entering the room can be dehumidified, humidified, heated, cooled and the like; the surface air cooler can effectively cool and dehumidify the air entering the room.

However, in south, particularly coastal areas, air humidity is significantly higher; the surface cooler has larger load, so that the water vapor passing through the surface cooler is condensed on the surface of the surface cooler; with the increase of the using time, the long-term adhesion of moisture is easy to cause the breeding of bacteria and even the generation of odor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air handling unit with surface cooler drying device, this drying device can air-dry the moisture that stops on the surface of surface cooler, and the circulation hole that carries the air current of moisture passes through air handling unit both sides is outwards discharged.

In order to achieve the above object, the utility model provides a following technical scheme: an air handling unit with a surface cooler drying device comprises an air handling channel, wherein the air handling channel is provided with an air inlet and an air return inlet, and a surface cooler is arranged in the air handling channel; the two sides of the air processing channel are provided with ventilation structures which are arranged on the two sides of the surface air cooler; the ventilation structure comprises a vent hole and a movable plate for controlling the vent hole to be opened, and the vent hole can be opened or closed through the movable plate; the air holes arranged on the two sides of the surface cooler form an environment for air circulation, and the air circulation takes away the moisture attached to the surface of the surface cooler.

In the technical scheme, the ventilation holes on the two sides of the surface cooler form an air circulation environment, so that not only can moist air in the air treatment channel circulate outwards, but also external dry air can enter the air treatment channel from the outside through the ventilation hole on one side to absorb moisture on the surface of the surface cooler and then is discharged to the outside through the ventilation hole on the other side, and the natural ventilation drying process is realized; structurally, the vent hole is opened or closed by movement of the moving plate.

Preferably, the air handling unit further comprises a dryer disposed outside the air handling passage, the dryer and the air handling passage having an open window disposed therebetween; the dryer comprises a dehumidifying fan which can supply air into the air processing channel through an open window; through setting up a desicator, the dehumidification fan of this desicator is the air supply in the air treatment passageway, increases the circulation of air on the surface of surface cooler, and then increases drying efficiency.

Preferably, the dryer is arranged above the air processing channel, and further comprises an air supply hose, a support frame fixed at the air outlet of the hose and a lifting mechanism, wherein the lifting mechanism is connected with the support frame; an air inlet of the air supply hose is connected with a dehumidification fan, and an air outlet of the air supply hose faces the direction of the surface air cooler; the height of the air outlet of the air supply hose can be adjusted through the lifting mechanism, and the air outlet of the air supply hose enters and exits the air processing channel through the open window; the dryer is arranged above the air treatment channel, the airflow blowing to the surface cooler needs to contact the inner bottom wall of the air treatment channel, and the airflow can be blown to the surface cooler after rebounding from the inner bottom wall of the air treatment channel, so that great energy waste is caused; the air supply hose is arranged to guide air flow to directly blow to the surface cooler, the air supply hose has a confluence effect, large cross section air flow which blows in the air treatment channel by the dehumidification fan is converged into small cross section air flow of the air supply hose, air pressure of the air flow is larger, and local drying is more obvious.

Preferably, the lifting mechanism comprises a telescopic rope and a telescopic structure for controlling the telescopic rope to stretch, and the telescopic rope is connected with the support frame; when the telescopic rope extends out, the air outlet of the air supply hose descends and vertically faces the surface air cooler under the action of gravity; when the air is exhausted from the air supply hose, a counterforce moving backwards exists, but the force of the counterforce cannot be very large, and the weight of the air supply hose is light; the cost of the lifting mechanism can be saved by adopting the telescopic rope and the telescopic structure, and the telescopic structure is simple and effective in the mode of controlling the telescopic rope.

Preferably, the air treatment channel further comprises a turnover plate, and the turnover plate is arranged behind the surface cooler; the turnover plate is attached to the inner side wall of the air treatment channel, so that air in the air treatment channel circulates; after the turnover plate is turned over, the air treatment channel is blocked, so that the air flow in the air treatment channel cannot continuously flow inwards; through the turnover plate, after the airflow blown into the dry air processing channel by the dehumidification fan passes through the surface air cooler, the air carrying moisture cannot continuously circulate forwards and only circulates back and forth; the water passes through the surface cooler again when circulating back and forth, and is contacted with the surface cooler again, so that the moisture carried by the dry air is increased; at the same time, the flow efficiency of the vent holes is also increased.

Preferably, an opening component for controlling the opening of the opening window is arranged between the dryer and the air processing channel; the air entering the air handling unit is prevented from entering the dryer when the air handling unit is in the working state.

Preferably, the front end of the vent hole extends to the front end of the surface air cooler, and the rear end of the vent hole extends to the rear end of the surface air cooler; the area of the circulation area is increased, and the air circulation effect is increased.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is an external structural schematic diagram of an air handling unit according to an embodiment of the present invention.

Fig. 2 is a sectional view of the internal structure of the air handling unit according to an embodiment of the present invention.

Fig. 3 is a bottom view of the internal structure of the air handling unit according to the embodiment of the present invention.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5 is a schematic diagram of an internal structure of a dryer according to an embodiment of the present invention.

Fig. 6 is a top view of the internal structure of the air handling unit according to an embodiment of the present invention.

In the figure, an air treatment passage 1, an air inlet 11, an air return opening 12, a first filter plate 2, a surface cooler 3, a heater 4, a humidifier 5, a silencer 6, a fan 7, a ventilation structure 8, an air vent 81, a movable baffle 82, a dryer 9, an internal space 91, a second filter plate 92, a dehumidification fan 93, an air supply hose 94, a support frame 95, a lifting mechanism 96, an open window 97, an open assembly 98 and a turnover plate 99.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Fig. 1-6 show an embodiment of the present invention, an air handling unit with a surface cooler drying device, the air handling unit includes an air handling channel 1, one end of the air handling channel 1 is provided with an air inlet 11 connected to the outside, a return air inlet 12 is provided beside the air inlet 11, and the return air inlet 12 circulates indoor air; the air treatment channel 1 is internally and sequentially provided with a first filter plate 2, a surface air cooler 3, a heater 4, a humidifier 5, a silencer 6 and a fan 7, and an air outlet of the fan 7 is connected with a room; the air treatment channels 1 on the two sides of the surface cooler 3 are provided with ventilation structures 8, and the ventilation structures 8 can be communicated with the outside and the surface cooler 3; the ventilation structure 8 comprises a strip-shaped ventilation hole 81 and a movable baffle 82, and movable grooves are formed in the upper end face and the lower end face of the movable baffle 82; a rack is arranged on the moving groove, a gear corresponding to the rack is arranged on the moving baffle 82, the gear is connected with a moving motor, and the gear horizontally moves on the rack under the control of the moving motor, so that the vent hole 81 is opened or closed by the moving baffle 82; when the movable baffle 82 opens the vent holes 81, the vent holes 81 on the two sides of the surface air cooler 3 form an air circulation environment, and the air circulation takes away the moisture attached to the surface of the surface air cooler 3; the air circulation environment is not limited to the humid air inside the air processing channel 1 being exhausted to the outside through the vent holes 81, and may be that the external dry air enters the air processing channel 1 through the exhaust hole at one side and is exhausted from the vent holes 81 at the other side; for better air exhaust effect, the front end of the vent hole 81 extends to the front end of the surface air cooler 3, and the rear end of the vent hole 81 extends to the rear end of the surface air cooler 3, so that the area of a circulation area is increased, and the air circulation effect is increased.

A dryer 9 is provided above the surface air cooler 3, the dryer 9 is provided outside the air processing passage 1, and an open window 97 is provided between the dryer 9 and the air processing passage 1; the dryer 9 comprises an open window 97 and an internal space 91, a second filter plate 92 and a dehumidifying fan 93 are arranged in the internal space 91, an air inlet of the dehumidifying fan 93 is connected with the open window 97, and an air outlet of the dehumidifying fan 93 is connected with an air inlet of the air supply hose 94; a plurality of lifting mechanisms 96 are further arranged in the internal space 91, a support frame 95 is arranged at the air outlet position of the air supply hose 94, each lifting mechanism comprises a lifting motor, a tension is arranged on a rotating shaft of each lifting motor, the stay ropes are connected with the support frames 95, the tension is stretched and stretched through the rotation of the rotating shafts of the lifting motors, and then the height position of the air supply hose 94 is controlled; the plurality of lifting mechanisms 96 are provided with a plurality of pull ropes, so that the control support frame 95 is more stable; of course, the lifting mechanism 96 is not limited to the combination of the above-mentioned rope and lifting motor, and the support 95 may be provided on a telescopic rod, and the height of the air supply hose 94 may be changed by the telescopic rod; when the elevating mechanism 96 controls the air supply hose 94 to move downward, the air supply hose 94 passes through the open window 97 and enters the air treatment passage 1 from the inner space 91; the air outlet direction of the air supply hose 94 faces the position direction of the surface air cooler 3, so that when the air supply hose 94 reaches the air treatment channel 1, the air outlet of the air supply hose 94 is perpendicular to the surface air cooler 3.

In order to prevent the air blown into the air processing channel 1 by the dehumidification fan from entering the room along the air processing channel 1, a turnover plate 99 is arranged behind the surface air cooler 3, and the turnover plate 99 is controlled by a turnover motor; when the air treatment unit works normally, the turnover plate 99 is attached to the side wall of the air treatment channel 1, and the circulation of air entering a room is not influenced; when the air treatment unit stops working, the drying device starts working, and the turnover plate 99 turns over to block the air treatment channel 1, so that air passing through the surface air cooler 3 cannot continuously circulate inwards and can only be discharged through the air inlet or the air vent 81.

In order to prevent air flowing in the air treatment passage 1 from entering the internal space 91 through the open window 97 when the air treatment unit is normally operated, an open member 98 is provided at the position of the open window 5, and the open window 97 is opened or closed by the open member 98; the opening assembly 98 comprises a telescopic cavity arranged on the upper wall of the air processing channel 1, a screw rod and a telescopic plate are arranged in the telescopic cavity, and the screw rod is connected with a screw rod motor; the telescopic plate can extend out of or retract into the telescopic cavity through the screw motor; when the expansion plate extends out of the expansion cavity, the open window 97 is closed, so that the inner space 91 and the inside of the air processing channel 1 are in a sealed state, and air flowing in the air processing channel 1 cannot enter the inner space; when the expansion plate is retracted into the expansion chamber, the open window 97 is opened, and the air supply hose 94 can pass through the open window 97 and enter the air treatment channel 1.

The use principle is as follows: this application includes natural draft mode and dehumidification fan ventilation and natural draft combination mode.

And (3) natural ventilation mode: after the movable baffle 82 moves, the vent hole 81 is opened, so that the insides of the air processing channels 1 at two sides of the surface air cooler 3 are communicated with the outside; the moist air inside the air treatment channel 1 can directly flow outwards, and the external dry air can enter the air treatment channel 1 through the vent hole 81 on one side, take away the moisture on the surface of the surface air cooler 3 and then leave the air treatment channel 1 through the vent hole 81 on the other side.

The ventilation and natural ventilation combined mode of the dehumidification fan is as follows: the natural ventilation mode is started, the opening assembly 98 controls the expansion plate to retract into the expansion cavity, the lifting mechanism 96 controls the air supply hose 94 to descend, the turnover plate 99 blocks the air processing channel 1, the dehumidification fan 93 starts to work, external air is blown to the surface air cooler 3 through the dehumidification fan 93 and the air supply hose 94, and air containing moisture of a carrier is discharged to the outside through the vent hole 81 under the blocking of the turnover plate 99.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. An air handling unit with a surface cooler drying device comprises an air handling channel (1), wherein the air handling channel is provided with an air inlet (11) and an air return inlet (12), and a surface cooler (3) is arranged in the air handling channel (1); the method is characterized in that: the two sides of the air processing channel (1) are provided with ventilation structures (8) which are arranged on the two sides of the surface air cooler (3); the ventilation structure comprises a vent hole (81) and a moving plate (82) for controlling the vent hole to be opened, and the vent hole can be opened or closed through the moving plate; the air holes (81) arranged on the two sides of the surface cooler (3) form an environment for air circulation, and the air circulation takes away the moisture attached to the surface of the surface cooler.

2. An air handling unit having a surface cooler drying appliance as claimed in claim 1, wherein: the air treatment unit also comprises a dryer (9) arranged outside the air treatment channel (1), and an open window (97) is arranged between the dryer and the air treatment channel (1); the dryer comprises a dehumidifier fan (93) which is capable of blowing air into the air treatment channel (1) through an open window.

3. An air handling unit having a surface cooler drying appliance as claimed in claim 2, wherein: the dryer (9) is arranged above the air processing channel (1), and further comprises an air supply hose (94), a support frame (95) fixed at the air outlet of the hose and a lifting mechanism (96), wherein the lifting mechanism is connected with the support frame; an air inlet of the air supply hose is connected with a dehumidification fan (93), and an air outlet faces to the direction of the surface air cooler; the height of the air outlet of the air supply hose (94) can be adjusted through the lifting mechanism (96), and the air outlet of the air supply hose can enter and exit the air processing channel (1) through the open window (97).

4. An air handling unit having a surface cooler drying appliance as claimed in claim 3, wherein: the lifting mechanism (96) comprises a telescopic rope and a telescopic structure for controlling the telescopic rope to stretch, and the telescopic rope is connected with the support frame; when the telescopic rope extends out, the air outlet of the air supply hose (94) descends and vertically faces the surface air cooler (3) under the action of gravity.

5. An air handling unit having a surface cooler drying appliance as claimed in claim 2, wherein: the air treatment channel (1) further comprises a turnover plate (99), and the turnover plate is arranged behind the surface air cooler; the turnover plate is attached to the inner side wall of the air treatment channel, so that air in the air treatment channel circulates; after the turnover plate is turned over, the air treatment channel (1) is blocked, so that the air flow in the air treatment channel cannot continuously flow inwards.

6. An air handling unit having a surface cooler drying appliance as claimed in claim 2, wherein: an opening component (98) for controlling the opening of the opening window (97) is arranged between the dryer (9) and the air processing channel.

7. An air handling unit having a surface cooler drying appliance according to any one of claims 1 to 6, wherein: the front end of the vent hole (81) extends to the front end of the surface air cooler (3), and the rear end of the vent hole extends to the rear end of the surface air cooler.