Fresh air dehumidification device
Technical field
This utility model is related to field of air conditioning, particularly to a kind of fresh air dehumidification device.
Background technology
VMC (Ventilation Mechanical Control System) is that basis send fresh air in airtight indoor side special equipment to interior, then from opposite side by special
Equipment, to outdoor discharge, can form " fresh air field of flow " indoors, thus meeting the needs of indoor fresh air ventilating, same in air-supply
When also the air getting in can be dehumidified.
But, the current following problem of fresh air dehumidifier generally existing:1st, high humidity environment or indoor humidity load increase feelings
Under condition, dehumidifying effect is not enough;2nd, high energy consumption.
Utility model content
For defect of the prior art, this utility model provides the fresh air dehumidification dress that a kind of dehumidification rate is high, energy consumption is low
Put.
The fresh air dehumidification device that this utility model provides, including:Air-conditioning duct, sensible heat exchanger, surface cooler and be arranged on
Blower fan in described air-conditioning duct, described air-conditioning duct includes blow pipeline and exhaust pipeline, and described air-supply pipeline is provided with use
In the fresh wind port connecting with outdoor fresh air with for the air outlet to indoor air-supply, described exhaust pipeline is provided with for returning
The return air inlet of stream room air and the exhaust outlet for excluding indoor exhaust air.
Wherein, described sensible heat exchanger and described surface cooler are successively set on described air-supply pipeline, described Exchange of apparent heat
Device is distributary plate type heat exchanger, and including first flow and second flow channel, described fresh wind port is connected with the entrance of described first flow,
The outlet of described first flow is connected with the entrance of described surface cooler, the entrance exporting with described second flow channel of described surface cooler
Connection, the outlet of described second flow channel is connected with described air outlet.
Also it is communicated with air returning valve between described air-supply pipeline and described exhaust pipeline, and described air returning valve and described ajutage
The junction point on road is located between described fresh wind port and described sensible heat exchanger;The mode of operation of described fresh air dehumidification device includes newly
Wind pattern and return air pattern, when being in fresh air pattern, described air returning valve is closed, and when being in return air pattern, described air returning valve is opened.
Further, described fresh air dehumidification device also includes the oxygen concentration sensor being disposed in the interior, and works as indoor oxygen
When concentration is more than default higher limit, described fresh air dehumidification device switches to return air pattern;Preset when indoor oxygen concentration is less than
Lower limit when, described fresh air dehumidification device switches to fresh air pattern.
Further, it is additionally provided with defecator in described air-supply pipeline, described defecator is arranged on described fresh wind port
And described sensible heat exchanger between.
Further, described defecator includes multiple filters.
Further, described filter is two, respectively roughing efficiency air filter and PM2.5 filter.
Further, described sensible heat exchanger is metal distributary plate type heat exchanger.
Further, described air returning valve is venetian blind type air-valve.
Further, described blower fan is centrifugal blower.
Further, described fresh air dehumidification device is also included for controlling described fresh wind port and described exhaust outlet is opened or closed
The breather valve closing, when described fresh air dehumidification device is in return air pattern, described breather valve is closed.
Further, described fresh air dehumidification device also includes the controller for switch mode, described controller respectively with
Blower fan and air returning valve electrical connection.
The fresh air dehumidification device that this utility model provides is provided with air returning valve, during air returning valve folding, described fresh air dehumidification dress
Put switching between fresh air pattern and return air pattern.Under return air pattern, fresh air dehumidification device enclosed run, room air by return
Air port enters air-conditioning duct and is circulated, and rapid moisture removal increases dehumidifying effect;Close when indoor oxygen concentration is more than setting value
Formula is run, and reduces unit dehumidifying energy consumption;When oxygen concentration is less than default lower limit, switches to fresh air pattern, draw from outdoor
Enter fresh air, improve indoor oxygen concentration.The fresh air dehumidification device that this utility model provides simultaneously is provided with sensible heat exchanger,
Make the air before and after surface cooler carry out heat exchange, both reduce the load of surface cooler, and to air reheating after dehumidifying, work
Energy consumption is low.
Brief description
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
In specific embodiment or description of the prior art, the accompanying drawing of required use is briefly described.In all of the figs, similar
Element or partly typically identified by similar reference.In accompanying drawing, each element or part might not be according to actual ratios
Draw.
The structural representation of the fresh air dehumidification device that Fig. 1 provides for this utility model embodiment 1;
The structural representation of the fresh air dehumidification device that Fig. 2 provides for this utility model embodiment 2;
The structural representation of the fresh air dehumidification device that Fig. 3 provides for this utility model embodiment 3.
Specific embodiment
Below in conjunction with accompanying drawing, the embodiment of technical solutions of the utility model is described in detail.Following examples are only
For the technical solution of the utility model is clearly described, therefore it is only used as example, and this practicality can not be limited with this
New protection domain.
It should be noted that unless otherwise stated, technical term used in this application or scientific terminology should be this reality
The ordinary meaning being understood with new one of ordinary skill in the art.
Embodiment 1
The fresh air dehumidification device providing with reference to Fig. 1, this utility model one embodiment, including:Air-conditioning duct, sensible heat exchanger
7th, surface cooler 9 and the blower fan 10 being arranged in air-conditioning duct, air-conditioning duct includes blow pipeline and exhaust pipeline, and air-supply pipeline sets
It is equipped with fresh wind port 4 for connecting with outdoor fresh air and for the air outlet 11 to indoor air-supply, exhaust pipeline is provided with
Return air inlet 1 for the room air that flows back and the exhaust outlet 2 for excluding indoor exhaust air.
Wherein, sensible heat exchanger 7 and surface cooler 9 are successively set on air-supply pipeline, and sensible heat exchanger 7 is that distributary is board-like to be changed
Hot device, fresh wind port is connected with distributary plate type heat exchanger side flow channel entry point, and this runner exit is connected with the entrance of described surface cooler 9
Logical, the outlet of surface cooler 9 is connected with the entrance of another side runner of distributary plate type heat exchanger, and the outlet of this runner is with air outlet 11 even
Logical.
Also it is communicated with air returning valve 3, and the junction point position of air returning valve 3 and air-supply pipeline between air-supply pipeline and exhaust pipeline
Between fresh wind port 4 and sensible heat exchanger 7;When the mode of operation of fresh air dehumidification device includes fresh air pattern and return air pattern, place
When fresh air pattern, air returning valve 3 is closed, and when being in return air pattern, air returning valve 3 is opened.
Specifically, in the present embodiment, sensible heat exchanger 7 is metal distributary plate type heat exchanger, and air returning valve 3 is venetian blind type wind
Valve, blower fan 10 is centrifugal blower.It should be appreciated that the protection domain of the application is not intended to limit and this specific embodiment, such as
Blower fan 10 can also be vortex fan.
The fresh air dehumidification device that the present embodiment provides is provided with air returning valve 3, and during air returning valve 3 folding, fresh air dehumidification device exists
Switch between fresh air pattern and return air pattern.Under return air pattern, fresh air dehumidification device enclosed is run, and room air is by return air inlet
1 entrance air-conditioning duct is circulated, and rapid moisture removal increases dehumidifying effect;The enclosed when indoor oxygen concentration is more than setting value
Run, reduce unit dehumidifying energy consumption;When oxygen concentration is less than default lower limit, switch to fresh air pattern, from outdoor introducing
Fresh air, improves indoor oxygen concentration.The fresh air dehumidification device that this utility model provides simultaneously is provided with sensible heat exchanger 7,
Make the air before and after surface cooler 9 carry out heat exchange, both reduce the load of surface cooler 9, and to air reheating after dehumidifying, work
Make energy consumption low.
Further, the fresh air dehumidification device of above-described embodiment also includes the oxygen concentration sensor being disposed in the interior, when
When indoor oxygen concentration is more than default higher limit, fresh air dehumidification device switches to return air pattern;When indoor oxygen concentration is less than
During default lower limit, fresh air dehumidification device switches to fresh air pattern, thus according to indoor oxygen concentration intelligence switch mode, carrying
High dehumidification rate, and ensure indoor oxygen concentration.
Embodiment 2
With reference to Fig. 2, in order to improve the cleanliness factor of air, in this embodiment, in air-supply pipeline, it is additionally provided with defecator,
Defecator is arranged between fresh wind port 4 and sensible heat exchanger 7.In this embodiment, defecator is two filters, respectively
For roughing efficiency air filter 5 and PM2.5 filter 6.By first revisal filter 6, the bulky grain pollutant in air are filtered, then
Filtered further by PM2.5 filter 6, so that air is more cleaned, prevent the healthy of air pollution effect human body.Specifically
During enforcement, filter can also be more than three, thus improving filter effect.
Embodiment 3
With reference to Fig. 3, in order to improve effect on moisture extraction during return air pattern, prevent fresh wind port 4 air intake, the fresh air of the present embodiment is removed
Wet device also includes the breather valve 12 for controlling fresh wind port 4 and exhaust outlet 2 is opened or closed, when fresh air dehumidification device is in back
During wind pattern, breather valve 12 is closed.
In the description of the present application it is to be understood that term " on ", D score, "front", "rear", "left", "right", " water
Flat ", " interior ", the orientation of instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, merely to just
In description this utility model and simplification description, rather than the device of instruction or hint indication or element must have specific side
Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint are relatively important
Property or the implicit quantity indicating indicated technical characteristic.In description of the present utility model, " multiple " are meant that two
More than, unless otherwise expressly limited specifically.
In description of the present utility model, illustrate a large amount of details.It is to be appreciated, however, that reality of the present utility model
Apply example to put into practice in the case of there is no these details.In some instances, known method, knot are not been shown in detail
Structure and technology, so as not to obscure the understanding of this description.
In the description of this specification, specific features, structure, material or feature can be in any one or more embodiments
Or combine in an appropriate manner in example.Additionally, in the case of not conflicting, this can be said by those skilled in the art
The feature of the different embodiments described in bright book or example and different embodiment or example is combined and combines.
Finally it should be noted that:Various embodiments above is only in order to illustrating the technical solution of the utility model, rather than it is limited
System;Although being described in detail to this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand:It still can be modified to the technical scheme described in foregoing embodiments, or to wherein some or all of
Technical characteristic carries out equivalent;And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme, it all should be covered in the middle of the scope of claim of the present utility model and description.