CN207179923U - Heat recovery fresh air equipment - Google Patents
Heat recovery fresh air equipment Download PDFInfo
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- CN207179923U CN207179923U CN201721192329.8U CN201721192329U CN207179923U CN 207179923 U CN207179923 U CN 207179923U CN 201721192329 U CN201721192329 U CN 201721192329U CN 207179923 U CN207179923 U CN 207179923U
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- heat recovery
- air
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- 238000011084 recovery Methods 0.000 title claims abstract description 71
- 230000000694 effects Effects 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000005367 electrostatic precipitation Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model relates to a heat recovery new trend equipment, include: the indoor unit (M2), the outdoor unit (M1) and the heat recovery core (2), the indoor unit (M2) comprises a fresh air cavity and an exhaust air channel which are not communicated internally, the outdoor unit (M1) comprises an exhaust air cavity and a fresh air channel which are not communicated internally, the fresh air cavity of the indoor unit (M2) is communicated with the fresh air channel of the outdoor unit (M1), the exhaust air channel of the indoor unit (M2) is communicated with the exhaust air cavity of the outdoor unit (M1), and the heat recovery core (2) is arranged at the joint position of the fresh air channel of the outdoor unit (M1) and the exhaust air cavity and used for enabling outdoor fresh air flowing through the fresh air channel to recover heat or cold from indoor exhaust air flowing through the exhaust air cavity. The utility model discloses the split type structure of inside and outside quick-witted is adopted to the heat recovery new trend, sets up the heat recovery core in outdoor unit, utilizes the heat recovery core to retrieve heat or cold volume from indoor airing exhaust for the shared indoor space of indoor unit is littleer.
Description
Technical field
It the utility model is related to field of air conditioning, more particularly to a kind of heat recovery fresh air equipment.
Background technology
At present, many aspects in environment for human survival are just influenceed by modern civilization more and more.With air-conditioning
Systematic difference, the various synthesis uses of building materials, the popularization of modern office equipment, the raising for building seal and in order to save
Or reduce cost and reduce the reasons such as resh air requirement as far as possible, cause indoor PM2.5 concentration, toxic gas and pollutant cannot
Rational processing, infringement is brought to the health in people therein.Therefore, health, energy-conservation, simple and direct, reliable fresh air
System and new wind devices turn into the focus of heating and ventilation project teacher and user's common concern.
In the application of VMC, the new wind devices in industry are largely suitable only for the interior space peace do not decorate at present
Dress, be not suitable for the space that interior has been decorateed.And the indoor space decorate can only be then used wall-mounted if it is desired to introduce fresh air
New blower fan.And the new blower fan of indoor suspension installation, it is attractive in appearance not require nothing more than its equipment, and requires that its volume is unsuitable excessive, no
The excessive interior space can be taken.And for the heat recovery fresh air unit of bidirectional flow, due to being needed inside such unit equipment
Set two stocks from air channel, and in order to obtain the function of Wind Volume and high fever yield, its filter and heat recovery core
Type selecting volume can not be too small, and then cause unit volume it is huge, cause recuperation of heat unit applicability poor, commercially less
It is welcome.
Utility model content
The purpose of this utility model is to propose a kind of heat recovery fresh air equipment, can reduce the occupancy of the interior space.
To achieve the above object, the utility model provides a kind of heat recovery fresh air equipment, including:Indoor set, outdoor unit
And heat recovery core, the indoor set include internal disconnected fresh air chamber and air exhaust passage, the outdoor unit includes inside not
The air draft chamber and fresh air channel of connection, the fresh air chamber of the indoor set connect with the fresh air channel of the outdoor unit, the interior
The air exhaust passage of machine connects with the air draft chamber of the outdoor unit, and the heat recovery core is arranged on the fresh air channel of the outdoor unit
With the delivery position of the air draft chamber, for flowing through the outdoor fresh air of the fresh air channel from the interior for flowing through the air draft chamber
Heat or cold are reclaimed in air draft.
Further, the fresh air intracavitary of the indoor set is provided with fresh-air fan, is installed in the air draft chamber of the outdoor unit
There is exhaust fan.
Further, the heat recovery core is Exposure degree core body or total heat recovery core body, the casing of the outdoor unit
Bottom is provided with discharge outlet, for discharging condensation water caused by the heat recovery core.
Further, the heat recovery core is.
Further, the indoor set and the outdoor unit are separately mounted to the indoor and outside of same wall,
Be provided with separate the first porthole and the second porthole on the wall, the fresh air chamber directly by first porthole with
The fresh air channel connection, the air draft chamber are directly connected by second porthole with the air exhaust passage.
Further, flange and connecting pipe are equipped with first porthole and the second porthole, the flange is in institute
The connecting pipe is fixed on the inside of first porthole and the second porthole by the both ends for stating connecting pipe, the indoor set and
The interface of the outdoor unit can be inserted directly into the flange and be attached fixation.
Further, first porthole is located at the top of second porthole.
Further, the indoor set and the outdoor unit are separately mounted to the indoor and room of same or different walls
Outside, is provided with separate the first porthole and the second porthole on the wall, and the fresh air chamber passes through first porthole
Connected with external pipe with the fresh air channel, the air draft chamber is led to by second porthole and external pipe with the air draft
Road connects.
Further, roughing efficiency air filter and high efficiency particulate air filter are respectively equipped with the fresh air channel and the fresh air chamber,
The roughing efficiency air filter is arranged between the heat recovery core and the fresh inlet of the fresh air channel.
Further, the high efficiency particulate air filter includes electrostatic precipitation filter.
Further, the air draft import of the air exhaust passage is located at the bottom of the indoor set, the fresh air of the fresh air chamber
Outlet is positioned at the top of the indoor set.
Further, be provided with roughing efficiency air filter in the fresh air channel, the fresh inlet of the fresh air channel with it is described
The cross-sectional area of roughing efficiency air filter is identical.
Further, the fresh inlet of the fresh air channel is identical with the cross-sectional area of the roughing efficiency air filter.
Further, exhaust-air filter is provided with the air exhaust passage.
Based on above-mentioned technical proposal, the utility model heat recovery fresh air uses internal-external machine split-type structural, by recuperation of heat core
Body is disposed in the outdoor in machine, and heat or cold are reclaimed from indoor exhaust wind using heat recovery core.Compared to existing size compared with
Big monoblock type heat recovery fresh air unit, because the utility model will be arranged on the outdoor air draft chamber connected and fresh air channel
In outdoor unit, and heat recovery core is set to be disposed in the outdoor in machine, therefore the functional part reduced in indoor set of high degree,
So that the interior space shared by indoor set is smaller, it is easier to carries out indoor decoration design.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings:
Fig. 1 is the internal structure schematic diagram of an embodiment of the utility model heat recovery fresh air equipment.
Fig. 2 is the outline structural diagram of indoor set in the utility model heat recovery fresh air apparatus embodiments.
Fig. 3 is the outline structural diagram of outdoor unit in the utility model heat recovery fresh air apparatus embodiments.
Fig. 4 is the scheme of installation of the utility model heat recovery fresh air apparatus embodiments.
Fig. 5 is the wall construction schematic diagram for installing the utility model heat recovery fresh air equipment.
Embodiment
Below by drawings and examples, the technical solution of the utility model is described in further detail.
As shown in figure 1, the internal structure schematic diagram of the embodiment for the utility model heat recovery fresh air equipment.In this reality
Apply in example, heat recovery fresh air equipment includes:Indoor set M2, outdoor unit M1 and heat recovery core 2.Indoor set M2 includes inside and not connected
Logical fresh air chamber and air exhaust passage.Outdoor unit M1 includes internal disconnected air draft chamber and fresh air channel.Indoor set M2 fresh air
Chamber connects with outdoor unit M1 fresh air channel, and indoor set M2 air exhaust passage connects with outdoor unit M1 air draft chamber, recuperation of heat core
Body 2 is disposed in the outdoor machine M1 fresh air channel and the delivery position of air draft chamber, for flow through the outdoor fresh air of fresh air channel from
Flow through the indoor exhaust wind recovery heat or cold of air draft chamber.
With reference to figure 1, indoor foul smell can flow to outdoor unit M1 air draft chamber by indoor set M2 air exhaust passage, and to outdoor
Discharge, the F2 with arrow shows the air current flow route of air draft in figure, and outdoor fresh air can pass through outdoor unit M1 fresh air
Passage flows to indoor set M2 fresh air chamber, and to indoor discharge, the F1 with arrow shows the airflow direction of fresh air in figure.
The direction flowing of outdoor unit M1 inside heat recovery core 2 has a fresh air, and the flowing of another direction has air draft, due to this two
There is the temperature difference in kind air-flow, therefore fresh air can carry out cross-exchange in heat recovery core with air draft, to be reclaimed from air draft
Heat or cold, and then the fresh air for being sent into interior is then more comfortable, in case fresh air causes excessively significantly to influence on indoor temperature.
The present embodiment will be arranged in outdoor unit with the outdoor air draft chamber connected and fresh air channel, and makes heat recovery core
It is disposed in the outdoor in machine, therefore the functional part reduced in indoor set of high degree, so that shared by indoor set
The interior space is smaller, it is easier to carries out indoor decoration design.On the other hand, the new air temperature by heat exchange is close to Indoor Temperature
Degree, the indoor set condensation problem that will not be brought because indoor/outdoor temperature-difference is larger, and then indoor set need not set heat-insulation layer, so that
Can be more compact in size.
Fig. 2 shows a kind of indoor set M2 of the utility model heat recovery fresh air equipment external structure.In fig. 2, room
Interior machine M2 shell 15 has the panel 14 back to wall and the interface towards wall 17 and 16.Indoor set M2's mentioned above is interior
Portion is provided with internal disconnected fresh air chamber and air exhaust passage, and the air draft import 10 of air exhaust passage is preferably located to indoor set M2 bottom
Portion, and the fresh air of fresh air chamber outlet 12 is then preferably placed at indoor set M2 top, can so be formed indoors around machine M2
Good air velocity distribution so that room air is able to fully circulation and exchanged.In addition, air draft import is located to indoor set M2 bottom
When, the dust of air draft inlet surface accumulation should not visually be found so that the overall visual experience of indoor set is better.
In order that the feeding that fresh air can continue is indoor, can machine M2 indoors fresh air intracavitary installation fresh-air fan 4, and
Exhaust fan 3 can be installed in outdoor unit M1 air draft chamber.Needed compared to existing monoblock type heat recovery fresh air equipment by air draft
For blower fan located at indoor mode, the exhaust fan 3 as important noise source is installed to outdoor by the present embodiment can be with high degree
The upper noise for reducing indoor set, reduces the influence to indoor occupant quality of the life.Further, since can only it include in indoor set M2
The parts such as air-flow inlet and outlet, fresh-air fan, high efficiency particulate air filter, therefore can be compacter in volume, and internal structure air channel is then
Simpler open, resistance is also relatively small in the case of equal air quantity.
Fig. 3 shows a kind of outdoor unit M1 of the utility model heat recovery fresh air equipment external structure.In figure 3, room
Outer machine M1 can be bigger due to being disposed in the outdoor, therefore on the overall dimensions of shell 8, without being limited to by the interior space.
It is additionally, since fresh-air fan 4 etc. to be arranged in indoor set M2, therefore heat recovery core 2 will not be by new in outdoor unit M1
The influence that wind blower fan 4 is taken up space, therefore the heat recovery core 2 of volume maximization can be used, and the recuperation of heat that volume is bigger
Core body 2 has more exchange runners, can more fully carry out recuperation of heat.For outdoor unit M1, its fresh air channel
Fresh inlet 11 is preferably placed at outdoor unit M1 bottom, so that rainwater suction is reduced or avoided.
In the utility model heat recovery fresh air equipment, heat recovery core 2 can be that Exposure degree core body or full heat are returned
Receive core body.Wherein, Exposure degree core body can only carry out temperature exchange, it is impossible to humidity is exchanged, accordingly can be outdoor unit M1's
Bottom of shell sets discharge outlet 13, for being expelled directly out condensation water caused by Exposure degree core body in outdoor, so as to save individually
Drip tray and drainpipe etc. are set.Total heat recovery core body both can also exchange humidity with exchange temperature, will not generally produce solidifying
Dew, but can not be reclaimed in time by fresh air for some special operation conditions, such as cold condition, the humidity of air draft, total heat recovery
Core body can also produce condensation water, and there is also the situation that core passageway freezes.It is molten when taking defrost measure to total heat recovery core body
The frozen water of change can also be expelled directly out in outdoor by discharge outlet 13, so that the present embodiment can adapt to more operating modes.
In above-mentioned heat recovery fresh air equipment, in order to avoid the outdoor fresh air containing dust, pm2.5 particulate matters is directly entered
Interior, therefore roughing efficiency air filter 6 and high efficiency particulate air filter 7 are preferably set respectively in fresh air channel and fresh air chamber, with reference to figure 1, just
Effect filter 6 can be arranged between heat recovery core 2 and the fresh inlet 11 of fresh air channel.The also referred to as thick effect of roughing efficiency air filter 6
Filter, it can carry out thick level filtering to fresh air, the bulky grain thing in fresh air be filtered away, with anti-clogging heat recovery core
2 interchange channel, and roughing efficiency air filter 6 can reduce the dust speed for alleviating high efficiency particulate air filter 7, and smaller chi mutually should be used
Very little high efficiency particulate air filter 7, so as to further reduce indoor set M2 space-consuming.High efficiency particulate air filter 7 is efficiently relative to thick
For the thick effect for imitating filter, it can be filtered in fresh air can filter the thinner particulate matter of particle than roughing efficiency air filter 6,
Such as pm2.5 particulate matters etc., therefore by roughing efficiency air filter add the filtration of high efficiency particulate air filter can make to get in it is new
Wind is more clean, effectively improves the air quality of interior.
When selecting high efficiency particulate air filter, it is preferred to use the high efficiency particulate air filter of electrostatic precipitation mode, i.e. high efficiency particulate air filter are preferred
Including electrostatic precipitation filter, to remove pm2.5 particulate matters, and to realize one using high-pressure electrostatic using electrostatic precipitation function
Fixed bactericidal action.In another embodiment, high efficiency particulate air filter can also select the filter for including physical adsorption way.
The fresh inlet 11 of fresh air channel mentioned above may be provided at outdoor unit M1 bottom, can lead to fresh air accordingly
The fresh inlet 11 in road is identical with the cross-sectional area of roughing efficiency air filter 6, larger sized first to obtain bigger front face area
The surface wind speed of effect filter 6 is lower, and fluid resistance is smaller, and dust containing capacity is bigger.In addition to filtering fresh air, it is also preferred that in air draft
Exhaust-air filter 5 is set in passage, indoor exhaust wind is filtered, avoids the particulate matter in air draft from blocking heat recovery core 2
Interchange channel.
With reference to figure 4 and Fig. 5, heat recovery fresh air apparatus embodiments of the present utility model can be by M1 points of indoor set M2 and outdoor unit
Not An Zhuan same wall 1 indoor and outside.In order that indoor set M2 is connected with outdoor unit M1, can be in wall
Wall 1 is provided with separate the first porthole H1 and the second porthole H2, and fresh air chamber directly passes through the first porthole H1 and fresh air channel
Connection, air draft chamber are directly connected by the second porthole H2 with air exhaust passage.Fresh air runner is connected using separate porthole
With air draft runner, bigger air channel area can be obtained, reduces duct resistance, improves the conveying capacity of fresh air, and this phase
Mutually independent porthole alsos for coordinating the fresh air runner of heat recovery core and being provided separately for air draft runner in the utility model, makes
Air flow that must be internal is more smooth, and structural drag is smaller.
This mode in the same both sides of wall 1 arrangement can reduce length and the turning of fresh air runner and air draft runner,
So that stream is more smooth, flow resistance is lower.And indoor set M2 and outdoor unit M1 can enter to the porthole on wall 1 respectively
Row blocks, visually more aesthetically pleasing.
In order to facilitate indoor set M2 and outdoor unit M1 installation, can be respectively provided with the first porthole H1 and the second porthole H2
Flange 20 and connecting pipe 19, and connecting pipe 19 can be fixed on the first porthole H1 by flange 20 at the both ends of connecting pipe 19
With the second porthole H2 inside.Indoor set M2 and outdoor unit M1 interface can be inserted directly into flange 20 and be attached fixation.Root
According to the inlet and outlet set location of foregoing fresh air air draft, preferably the first porthole H1 is located at the second porthole H2 top accordingly.With reference to
Fig. 2, it can be seen that indoor set M2 inboard is provided with two interfaces 16 and 17, the first porthole H1 that wherein interface 16 is inserted in,
And interface 17 be inserted under the second porthole H2.Similarly, outdoor unit M1 also can carry out plugged and fixed by similar interface.
The length of porthole is related to the thickness of wall, and the size of porthole can be according to the connection size of indoor set and outdoor unit
Or the size of connecting pipe is configured.After connecting pipe 19 is inserted in porthole, flange 20 is except connecting pipe 19 is had
Outside being fixed in porthole to effect, covering can also be blocked to the burr of wall perforate so that exposed seam is can't see on wall
Gap, so as to visually more attractive in appearance.First porthole H1 and the second porthole H2 relative position can installation indoor set M2 and
Calibration setting is carried out before outdoor unit M1, smooth in favor of internal-external machine interface enters to grafting, also reduces porthole to internal-external machine knot
The frictionally damage of structure.
In another feasible heat recovery fresh air apparatus embodiments, indoor set M2 and outdoor unit M1 can be separately mounted to
The indoor and outside of different walls, separate the first porthole H1 and the second porthole H2, fresh air chamber are provided with wall
Connected by the first porthole H1 and external pipe with fresh air channel, air draft chamber is led to by the second porthole H2 and external pipe with air draft
Road connects.Certainly, indoor set M2 and outdoor unit M1 is separately mounted to the indoor and outside of same wall, and uses porthole
It is equally possible with the combination of external pipe.The present embodiment can be not limited to carry out internal-external machine peace in the interior external position of same wall
Dress, and according to interior space situation and position that outdoor unit repairs (such as the wall in Fig. 4 near the window 18 can be easy to
Wall 1) determine the infield of internal-external machine.
Finally it should be noted that:Above example is only illustrating the technical solution of the utility model rather than it is limited
System;Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand:Specific embodiment of the present utility model can still be modified or some technical characteristics are equally replaced
Change;Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model
Among scope.
Claims (13)
- A kind of 1. heat recovery fresh air equipment, it is characterised in that including:Indoor set (M2), outdoor unit (M1) and heat recovery core (2), the indoor set (M2) includes internal disconnected fresh air chamber and air exhaust passage, and the outdoor unit (M1) includes inside and do not connected Logical air draft chamber and fresh air channel, the fresh air chamber of the indoor set (M2) connect with the fresh air channel of the outdoor unit (M1), institute The air exhaust passage for stating indoor set (M2) connects with the air draft chamber of the outdoor unit (M1), and the heat recovery core (2) is arranged on institute The fresh air channel of outdoor unit (M1) and the delivery position of the air draft chamber are stated, for flowing through the outdoor fresh air of the fresh air channel Heat or cold are reclaimed from the indoor exhaust wind for flowing through the air draft chamber.
- 2. heat recovery fresh air equipment according to claim 1, it is characterised in that the fresh air intracavitary peace of the indoor set (M2) Equipped with fresh-air fan (4), exhaust fan (3) is installed in the air draft chamber of the outdoor unit (M1).
- 3. heat recovery fresh air equipment according to claim 1, it is characterised in that the heat recovery core (2) is returned for sensible heat Receive core body or total heat recovery core body, the bottom of shell of the outdoor unit (M1) are provided with discharge outlet (13), returned for discharging the heat Receive condensation water caused by core body (2).
- 4. heat recovery fresh air equipment according to claim 1, it is characterised in that the indoor set (M2) and the outdoor unit (M1) indoor and outside of same wall (1) are separately mounted to, separate first is provided with the wall (1) Porthole (H1) and the second porthole (H2), the fresh air chamber are directly connected by first porthole (H1) with the fresh air channel, The air draft chamber is directly connected by second porthole (H2) with the air exhaust passage.
- 5. heat recovery fresh air equipment according to claim 4, it is characterised in that in first porthole (H1) and the second wall It is equipped with flange (20) and connecting pipe (19) in hole (H2), the flange (20) is at the both ends of the connecting pipe (19) by institute State the inside that connecting pipe (19) is fixed on first porthole (H1) and the second porthole (H2), the indoor set (M2) and described The interface of outdoor unit (M1) can be inserted directly into the flange (20) and be attached fixation.
- 6. heat recovery fresh air equipment according to claim 4, it is characterised in that first porthole (H1) is positioned at described the The top of two portholes (H2).
- 7. heat recovery fresh air equipment according to claim 1, it is characterised in that the indoor set (M2) and the outdoor unit (M1) indoor and outside of same or different walls are separately mounted to, separate first is provided with the wall Porthole (H1) and the second porthole (H2), the fresh air chamber pass through first porthole (H1) and external pipe and the fresh air channel Connection, the air draft chamber are connected by second porthole (H2) and external pipe with the air exhaust passage.
- 8. heat recovery fresh air equipment according to claim 1, it is characterised in that in the fresh air channel and the fresh air chamber In be respectively equipped with roughing efficiency air filter (6) and high efficiency particulate air filter (7), the roughing efficiency air filter (6) is arranged on the heat recovery core (2) between the fresh inlet (11) of the fresh air channel.
- 9. heat recovery fresh air equipment according to claim 8, it is characterised in that the high efficiency particulate air filter (7) includes electrostatic Dust removal filter.
- 10. heat recovery fresh air equipment according to claim 1, it is characterised in that the air draft import of the air exhaust passage (10) it is located at the bottom of the indoor set (M2), the fresh air outlet (12) of the fresh air chamber is located at the top of the indoor set (M2) Portion.
- 11. heat recovery fresh air equipment according to claim 10, it is characterised in that the fresh inlet of the fresh air channel (11) it is located at the bottom of the outdoor unit (M1).
- 12. heat recovery fresh air equipment according to claim 11, it is characterised in that just effect is provided with the fresh air channel Filter (6), the fresh inlet (11) of the fresh air channel are identical with the cross-sectional area of the roughing efficiency air filter (6).
- 13. heat recovery fresh air equipment according to claim 1, it is characterised in that air draft is provided with the air exhaust passage Filter (5).
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CN201721192329.8U CN207179923U (en) | 2017-09-18 | 2017-09-18 | Heat recovery fresh air equipment |
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CN201721192329.8U CN207179923U (en) | 2017-09-18 | 2017-09-18 | Heat recovery fresh air equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107421051A (en) * | 2017-09-18 | 2017-12-01 | 珠海格力电器股份有限公司 | Heat recovery fresh air equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107421051A (en) * | 2017-09-18 | 2017-12-01 | 珠海格力电器股份有限公司 | Heat recovery fresh air equipment |
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