CN108613312A - Fresh air ventilation device, air conditioner and control method of air conditioner - Google Patents
Fresh air ventilation device, air conditioner and control method of air conditioner Download PDFInfo
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- CN108613312A CN108613312A CN201810283196.8A CN201810283196A CN108613312A CN 108613312 A CN108613312 A CN 108613312A CN 201810283196 A CN201810283196 A CN 201810283196A CN 108613312 A CN108613312 A CN 108613312A
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- air
- fresh
- control valve
- changing device
- fresh air
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000009423 ventilation Methods 0.000 title abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 37
- 238000004378 air conditioning Methods 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000005273 aeration Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a fresh air ventilation device, an air conditioner and a control method of the air conditioner. Fresh air ventilation device includes: the shell is surrounded to form an installation cavity; the fresh air fan is arranged in the installation cavity and is provided with an air inlet and an air outlet; the first end of the fresh air pipe is communicated with the air inlet, and the second end of the fresh air pipe extends to the outside of the shell; the first end of the air inlet pipe is communicated with the air outlet, and the second end of the air inlet pipe extends to the outside of the shell; the air return pipe is arranged in the mounting cavity, and a first end of the air return pipe is communicated with the fresh air pipe; the first end of the air outlet pipe is located in the installation cavity, and the second end of the air outlet pipe extends to the outside of the shell. The invention can reduce the power consumption of the air conditioner while exchanging fresh air, and has little influence on the indoor environment temperature.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to a kind of fresh air-changing device, air conditioner and air conditioner
Control method.
Background technology
The mainstream house type in city is small apartment at present, and because central air-conditioning cost is higher, improvement and installation difficulty is larger, greatly
Multi-user can select the lower Split Type Domestic Air of installation cost.Traditional domestic air conditioning in room room generally using to returning
Wind cools down or mode of heating changes the temperature and humidity of room air, in order to play the refrigeration or heating effect of air conditioner, examines
Consider the energy consumption of air conditioner, generally to close door and window as possible, keeps a relatively closed space.O in room can be caused in this way2
Content declines, CO2Concentration increases, and air quality is gradually reduced, and the room of air-conditioning long-play, which can make one to feel, feels oppressed, very
To being susceptible to suffer from " air conditioner disease ".
Application No. is a kind of Independent air conditioning air interchangers of the Patent design of 201120464496.X, although the device solves
Air-conditioned room fresh-air ventilation problem but if the indoor and outdoor surroundings temperature difference opens air interchanger when larger can increase room load,
Then power consumption is more for room air conditioner；And setting Independent air conditioning air interchanger, it needs to punch installation again in room, increases installation
Cost influences the overall beautiful of room.And can not link with air-conditioning, because of the hysteresis quality of room temperature, pass through the dress
The fresh air set may cause the fluctuation of room temperature, influence room comfort.
A kind of air conditioner fresh air all-in-one machine is disclosed application No. is 201510925678.5 patent, and the patent document is by fresh air
System and domestic air conditioning integrated design can carry out preheating precooling to fresh air, meet the needs of user is to fresh air.But the device
Volume is larger, occupies balcony larger space, and larger air port is chiseled in room wall, improvement and installation difficulty is larger.
Invention content
The main purpose of the present invention is to provide the control method of a kind of fresh air-changing device, air conditioner and air conditioner, with
The setting of aeration device in the prior art is solved the problems, such as so that the live load of air conditioner is big.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of fresh air-changing device, including：Outside
Shell, shell, which encloses, to be set to form installation cavity；Fresh-air fan, fresh-air fan are mounted in installation cavity, and air inlet is provided in fresh-air fan
And air outlet；The first end of fresh wind tube, fresh wind tube is connected to air inlet, and the second end of fresh wind tube extends to the outside of shell；Into
The first end of air hose, blast pipe is connected to air outlet, and the second end of blast pipe extends to the outside of shell；Backwind tube, backwind tube
In installation cavity, and the first end of backwind tube is connected to fresh wind tube；The first end of discharge pipe, discharge pipe is located at installation cavity
Interior, the second end of discharge pipe extends to the outside of shell.
Further, fresh air-changing device further includes the first control valve, and the first control valve is mounted on fresh wind tube with control
The aperture of fresh wind tube.
Further, fresh air-changing device further includes the second control valve, and the second control valve is mounted on backwind tube with control
The aperture of backwind tube.
Further, the first control valve, the second control valve and fresh-air fan are solenoid valve.
Further, discharge pipe is set in the periphery of blast pipe, is formed between the inner wall of discharge pipe and the outer wall of blast pipe
Air-out passage.
Further, fresh air-changing device further includes electric-controlled box, and electric-controlled box is mounted in installation cavity, the first control valve and the
Two control valves are communicated with electric-controlled box and are connected.
Further, fresh air-changing device further includes the temperature difference detecting element for detecting indoor/outdoor temperature-difference size, the temperature difference
Detecting element is connected with electric-controlled box communication.
Further, the outer surface of shell is provided with insulating layer.
Further, it is provided with exhaust outlet on shell.
Further, fresh air-changing device further includes the environmental quality detecting element for detecting outdoor environment.
Further, it is both provided with filter device at fresh wind tube and blast pipe.
According to another aspect of the present invention, a kind of air conditioner, including fresh air-changing device are provided, fresh air-changing device is
Above-mentioned fresh air-changing device, air conditioner further include air conditioning chamber's inside/outside machine connecting tube, and air conditioning chamber's inside/outside machine connecting tube is embedded
The inside of blast pipe, and there is air inlet gap between air conditioning chamber's inside/outside machine connecting tube and the inner wall of blast pipe.
In accordance with a further aspect of the present invention, a kind of control method of air conditioner is provided, the control method of air conditioner utilizes
Above-mentioned air conditioner realizes that the control method of air conditioner includes the following steps：It chooses whether to open while opening air conditioner new
Wind air interchanger, and indoor temperature is set as first predetermined value；If selecting fresh air-changing device to open, when indoor temperature reaches
After first predetermined value, the temperature difference inside and outside the automatic sensing chamber of temperature difference detecting element, when indoor/outdoor temperature-difference be located at second predetermined value and
When between third predetermined value, electric-controlled box controls the first control valve and the second control valve and opens simultaneously, when indoor/outdoor temperature-difference is more than the
When three predetermined values, electric-controlled box controls the first control valve and the second control valve simultaneously closes off, and makes a reservation for when indoor/outdoor temperature-difference is less than second
When value, electric-controlled box controls the second control valve and closes, wherein third preset value is more than the second preset value.
Further, when indoor/outdoor temperature-difference is between second predetermined value and third predetermined value, if indoor/outdoor temperature-difference
Bigger, electric-controlled box control the second control valve opening is bigger, and it is smaller to control the first control valve opening；If indoor/outdoor temperature-difference is got over
Small, electric-controlled box control the second control valve opening is smaller, and it is bigger to control the first control valve opening.
Further, when air conditioner is under cooling condition, second predetermined value is 5 DEG C, and third predetermined value is 10 DEG C；When
When air conditioner is under heating condition, second predetermined value is 7 DEG C, and third predetermined value is 15 DEG C.
Further, when Detection of Air Quality element testing to Outdoor Air Quality is less than four predetermined values, electric-controlled box
It controls the first control valve and the second control valve is closed always.
It applies the technical scheme of the present invention, when actual installation, the fresh air-changing device of the present invention is mounted on air conditioner
On the outside of outdoor unit, and the second end of blast pipe and the second end of discharge pipe is made to be connected to interior, indoor air can enter
Into installation cavity, when work, backwind tube can suck the indoor outlet air in installation cavity, so that part fresh air and indoor wind are mixed
It closes, achievees the purpose that, to pre-cooling of fresh air or preheating, the power consumption of air conditioner can be reduced while carrying out inletting fresh air, to indoor ring
Border temperature influences smaller.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 diagrammatically illustrates the front view of the fresh air-changing device of the present invention；
Fig. 2 diagrammatically illustrates the front view of the air conditioner of the present invention.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, shell；11, exhaust outlet；20, fresh-air fan；30, fresh wind tube；40, blast pipe；50, discharge pipe；60, the first control
Valve processed；70, the second control valve；80, electric-controlled box；90, backwind tube；100, air conditioning chamber's inside/outside machine connecting tube；110, indoor unit；
120, outdoor unit.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Those of be necessarily limited to clearly to list step or unit, but may include not listing clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also 90 degree of other different modes position rotatings or be in other orientation, and
Respective explanations are made to the opposite description in space used herein above.
Shown in Fig. 1 to Fig. 2, according to an embodiment of the invention, a kind of fresh air-changing device is provided, the fresh-air ventilation
Device includes shell 10, fresh-air fan 20, fresh wind tube 30, blast pipe 40, backwind tube 90 and discharge pipe 50.
Wherein, shell 10, which encloses, sets to form installation cavity；Fresh-air fan 20 is mounted in installation cavity, is provided in fresh-air fan 20
Air inlet (not shown) and air outlet (not shown)；The first end of fresh wind tube 30 is connected to air inlet, fresh wind tube 30
Second end extend to the outside of shell 10；The first end of blast pipe 40 is connected to air outlet, and the second end of blast pipe 40 extends
To the outside of shell 10；Backwind tube 90 is mounted in installation cavity, and the first end of backwind tube 90 is connected to fresh wind tube 30；Discharge pipe
50 first end is located in installation cavity, and the second end of discharge pipe 50 extends to the outside of shell 10.
When actual installation, the fresh air-changing device of the present invention is mounted on the outside of outdoor unit of the air conditioner 120, and make into
The second end of air hose 40 and the second end of discharge pipe 50 are connected to interior, and indoor air can enter in installation cavity, work
When, the indoor return air out of the fresh-air fan 20 that fresh wind tube 30 enters wind and installation cavity can mix defeated by backwind tube 90
It is sent in installation cavity, achievees the purpose that, to pre-cooling of fresh air or preheating, the work(of air conditioner can be reduced while carrying out inletting fresh air
Consumption influences indoor environment temperature smaller.
Fresh air-changing device in the present embodiment further includes the first control valve 60, which is mounted on fresh wind tube
On 30, controlled convenient for the aperture to fresh wind tube 30.
Fresh air-changing device further includes the second control valve 70, which is mounted on backwind tube 90, convenient for pair
The aperture of backwind tube 90 is controlled.
Preferably, the first control valve 60 in the present embodiment and the second control valve 70 are solenoid valve, are easy to implement automatically controlled
System.
In conjunction with shown in Fig. 1, the discharge pipe 50 in the present embodiment is set in the periphery of blast pipe 40, the inner wall of discharge pipe 50 and
Air-out passage is formed between the outer wall of blast pipe 40, is be set in blast pipe 40 outer by discharge pipe 50 in this present embodiment
Week user is facilitated to carry out selective installation, it is compact-sized small, reduce room transformation difficulty, is also beneficial to the entirety of system
Aesthetics.
Fresh air-changing device further includes electric-controlled box 80, which is mounted in installation cavity, the first control valve 60 and the
Two control valves 70 are communicated with electric-controlled box 80 and are connected, convenient for controlling the first control valve 60 and the second control valve 70.
Fresh air-changing device further includes the temperature difference detecting element (not shown) for detecting indoor/outdoor temperature-difference size, should
The communication of temperature difference detecting element and electric-controlled box 80 connects, and when work, electric-controlled box 80 is according to the detection structure pair of temperature difference detecting element the
One control valve 60 and the second control valve 70 are controlled.Temperature difference detecting element includes Temperature Humidity Sensor and compares in the present embodiment
Device, then Temperature Humidity Sensor relatively obtains the temperature difference of indoor and outdoor for the humiture inside and outside sensing chamber by comparing device, automatically controlled
Box 80 is controlled according to detection structure pair the first control valve 60 and the second control valve 70 of temperature difference detecting element, and then is convenient for
Suitable opportunity opens fresh air-changing device and improves fresh air, improves indoor air.
Preferably, the outer surface of the shell 10 in the present embodiment is provided with insulating layer (not shown), prevents installation cavity
The fluctuation of interior air themperature.
Exhaust outlet 11 is provided on shell 10, which is used to exclude the air in fresh air-changing device shell 10.
Preferably, fresh air-changing device further includes (not showing in figure for detecting the environmental quality detecting element of outdoor environment
Go out).
Preferably, the fresh wind tube 30 in the present embodiment, backwind tube 90 end be both provided with filter device and (do not show in figure
Go out), which is preferably filter screen, convenient for being filtered to the air got in.
According to another aspect of the present invention, a kind of air conditioner, including fresh air-changing device are provided, fresh air-changing device is
Above-mentioned fresh air-changing device, air conditioner further include air conditioning chamber's inside/outside machine connecting tube 100, air conditioning chamber's inside/outside machine connecting tube 100
It is embedded in the inside of blast pipe 40, and between air inlet between air conditioning chamber's inside/outside machine connecting tube 100 and the inner wall of blast pipe 40
Gap.Air conditioning chamber's inside/outside machine connecting tube 100 in the present embodiment is arranged at the inside of blast pipe 40, installation, without on wall
Multiple through-holes are being opened up, only the reaming on the hole of script, simple in structure, is easily installed, and convenient for ensureing air conditioner
Appearance perfection.
The present invention can provide fresh-air ventilation for conventional domestic air-conditioned room, improve indoor air quality, be conducive to user
Health.The linkage controlled by the control of fresh air-changing device and indoor unit 110, it is user-friendly, be conducive to air-conditioning
The comfort of indoor environment is nor affected on while reducing energy consumption.In addition, the integration of fresh air exchanger unit and air conditioner is set
Meter, it is compact-sized, it takes up space small, fresh air-changing device and air conditioner is nor affected on while facilitating the selectivity of device to install
Overall aesthetics.
According to the above embodiments it is recognised that the fresh air-changing device of the present invention is mainly by managing greatly with tubule with nested
Form is constituted, and tubule is blast pipe 40, and big pipe is discharge pipe 50.Blast pipe 40 and discharge pipe 50 be all made of can bending but have one
Determine the smooth heat-barrier material of hardness and surface to be made.Channel between blast pipe 40 and discharge pipe 50 is that the outlet air of fresh air system is logical
Road, blast pipe 40 are the air intake passage of fresh air system.Blast pipe 40 and discharge pipe 50 bending and can mainly be examined with some strength
Consider the durability of the convenience of installation and pipe of taking a breath.Two pipe surfaces are smooth as possible can to reduce gas-flow resistance, be conducive to indoor and outdoor
The exchange of gas.The present invention only need to expand original air conditioner connecting pipe in wall in view of the convenience of the installation of Fresh air handing device
On hole, 50 pipe diameter size of size and discharge pipe.Air conditioner connecting pipe penetrates blast pipe, then is inserted in discharge pipe, changes
It is small to make difficulty.Blast pipe 40 and the design of discharge pipe 50 are integrated by the present invention, and air-conditioning system is also beneficial to while facilitating installation
With the aesthetics of aeration device entirety.40 indoor end of blast pipe gos deep into air conditioner indoor unit 110 and is passed through interior machine heat exchanger, indoors
The outer temperature difference is preheated or is pre-chilled when larger so that room temperature is unlikely to have larger fluctuation.50 indoor end of discharge pipe gos deep into room
It is interior, and filter screen is set in nozzle, prevent dust from entering the entrance prevented also from mosquito, mouse simultaneously.
The fresh air-changing device of the present invention further includes shell 10, fresh-air fan 20, the first control valve 60, the second control valve 70
And other connecting lines and electric-controlled box 80 form.The Fresh air handing device may be mounted to air-conditioner outdoor unit connecting pipe side, convenient
With air conditioning chamber's inside/outside machine connecting tube 100, the integrated design of blast pipe 40 and discharge pipe 50.20 air outlet of fresh-air fan and into
Air hose 40 is connected, and 20 air inlet of fresh-air fan and 10 outside air of shell communicate, for importing fresh air.30 import of fresh wind tube is arranged
Filter device is to filter fresh air air.Fresh wind tube 30 be arranged first control valve 60, for control fresh wind tube 30 unlatching and
Closing and air volume.A backwind tube 90 is designed on the blast pipe 40 that fresh-air fan 20 connects, equally in backwind tube
One second control valve 70, the opening and closing for controlling return air channel and air volume are set on 90.Backwind tube 90 is same
Filter screen is arranged to filter return air in sample.First control valve 60, the second control valve 70, fresh-air fan 20 with 80 phase of electric-controlled box
Even.10 inner surface additional one layer of heat preservation layer of shell, prevents the fluctuation of air themperature in shell.Exhaust outlet 11 is empty in shell 10 for excluding
Gas.
Electric-controlled box 80 be mainly used to control the first control valve 60, the second control valve 70, fresh-air fan 20 while, also with sky
Controller is adjusted to be communicated.Both fresh air system device can be controlled by air-conditioning remote control, the temperature of air-conditioning indoor lateral can be passed through
The opening and closing of Temperature and Humidity Control the first control valve 60, the second control valve 70 inside and outside humidity sensor sensing chamber, reach and
The purpose of air-conditioning system linkage.
In accordance with a further aspect of the present invention, a kind of control method of air conditioner is provided, the control method of air conditioner utilizes
Above-mentioned air conditioner realizes that the control method of air conditioner includes the following steps：It chooses whether to open while opening air conditioner new
Wind air interchanger, and indoor temperature is set as first predetermined value；If selecting fresh air-changing device to open, when room air reaches
After first predetermined value, the temperature difference inside and outside the automatic sensing chamber of temperature difference detecting element, when indoor/outdoor temperature-difference be located at second predetermined value and
When between third predetermined value, electric-controlled box 80 controls the first control valve 60 and the second control valve 70 is opened simultaneously, works as indoor/outdoor temperature-difference
When more than third predetermined value, electric-controlled box 80 controls the first control valve 60 and the second control valve 70 simultaneously closes off, and works as indoor/outdoor temperature-difference
When less than second predetermined value, electric-controlled box 80 controls the second control valve 70 and closes, wherein third preset value is more than the second preset value.
If, can if only fresh air is preheated or is pre-chilled by indoor set heat exchanger because indoor/outdoor temperature-difference is larger
Compressor high frequency can be caused to run, power consumption is higher.In addition, when indoor and outdoor surroundings excessive temperature differentials, it is likely to result in air conditioner
Leaving air temp changes greatly, and indoor environment temperature also will appear larger fluctuation, directly affects the comfort of user.So of the invention
In fresh air channel, backwind tube 90 is set, in addition the reasonable control to aeration device, to avoid the appearance of the above problem.
Preferably, when indoor/outdoor temperature-difference is between second predetermined value and third predetermined value, if indoor/outdoor temperature-difference is got over
Greatly, the control of electric-controlled box 80 second control valve, 70 aperture is bigger, and 60 aperture of the first control valve is smaller, if indoor/outdoor temperature-difference is smaller,
The control of electric-controlled box 80 second control valve, 70 aperture is smaller, and 60 aperture of the first control valve is bigger.
When air conditioner is under cooling condition, second predetermined value is 5 DEG C, and third predetermined value is 10 DEG C；At air conditioner
When under heating condition, second predetermined value is 7 DEG C, and third predetermined value is 15 DEG C.
When Detection of Air Quality element testing to Outdoor Air Quality is less than four predetermined values, the control of electric-controlled box 80 first
Control valve 60 and the second control valve 70 are closed always.
Specifically, by taking cooling condition as an example, when indoor environment temperature is higher, user can select air-conditioning booting refrigeration
It needs to choose whether to open fresh air function simultaneously.Such as the non-selected fresh air function of user, then fresh air-changing device does not start then.If
User selects to open fresh air function, then air-conditioning freezes first is down to the first preset value by room temperature, and aeration device is in pass at this time
Closed state.After room temperature reaches the first preset value, the temperature difference detecting element of fresh air-changing device can detect indoor/outdoor temperature-difference,
If indoor/outdoor temperature-difference is more than setting third preset value, illustrate that indoor/outdoor temperature-difference is very big, fresh air system is still in closed state；Such as
Fruit indoor/outdoor temperature-difference is more than the second preset value and is less than the second preset value, starts fresh air system, and fresh-air fan 20 starts, electric-controlled box
80 the first control valves 60 of control and the second control valve 70 are opened simultaneously.Because the inner and outer ring temperature difference is larger at this time, by opening fresh air
Part indoor return air and fresh air are mixed, achieve the purpose that pre-cooling of fresh air, can reduce the power consumption of air conditioner by air interchanger,
Also indoor environment temperature is influenced smaller.In this temperature range, if the temperature difference is larger, electric-controlled box 80 controls the second control valve 70
Aperture is bigger, and it is smaller to control 60 aperture of the first control valve；Conversely, the temperature difference is smaller, electric-controlled box 80 controls the second control valve 70 and opens
Spend it is smaller, and control 60 aperture of the first control valve it is bigger.It is further ensured that the comfort of indoor environment.If indoor/outdoor temperature-difference is small
In the second preset value, illustrate that indoor/outdoor temperature-difference is smaller, fresh air system is opened at this time, and fresh-air fan 20 starts, the first control valve 60
It opens, the second control valve 70 is closed.Aeration device is all-fresh air state at this time.Wherein, the second setting value is 5 DEG C, and third is default
Value is 10 DEG C.
Similarly, under heating condition, when indoor environment temperature is higher, user needs while air-conditioning heating being selected to be switched on
It chooses whether to open fresh air function.Such as the non-selected fresh air function of user, then fresh air-changing device does not start then always.If user
Fresh air function is opened in selection, then room temperature is risen to set temperature by air-conditioning heating mode operation first, and aeration device is first at this time
In closed state.After room temperature reaches the first preset value, inside and outside the temperature difference detecting element meeting sensing chamber of fresh air-changing device
The temperature difference illustrates that indoor/outdoor temperature-difference is very big if indoor/outdoor temperature-difference is more than setting third preset value, and fresh air-changing device is still in close
Closed state；If indoor/outdoor temperature-difference is more than the second preset value and is less than third preset value, start fresh air-changing device, fresh-air fan 20
Start, electric-controlled box 80 controls the first control valve 60 and the second control valve 70 is opened simultaneously.Because the inner and outer ring temperature difference is larger at this time, lead to
Unlatching fresh air-changing device is crossed, part indoor return air and fresh air are mixed, achievees the purpose that pre-cooling of fresh air, air-conditioning can be reduced
The power consumption of device also influences indoor environment temperature smaller.In this temperature range, if the temperature difference is larger, the control of electric-controlled box 80 the
Two control valves, 70 aperture is bigger, and it is smaller to control 60 aperture of the first control valve；Conversely, the temperature difference is smaller, the control of electric-controlled box 80 second
70 aperture of control valve is smaller, and it is bigger to control 60 aperture of the first control valve.It is further ensured that the comfort of indoor environment.If room
Internal-external temperature difference is less than the first preset value, illustrates that indoor/outdoor temperature-difference is smaller, and fresh air system is opened at this time, and fresh-air fan 20 starts, the
One control valve 60 is opened, and the second control valve 70 is closed.Aeration device is all-fresh air state at this time.Wherein, the second preset value is set
It it is 7 DEG C, third preset value is 15 DEG C.
Fresh air-changing device can also be monitored Outdoor Air Quality, once Outdoor Air Quality heavy contamination, fresh air
System is in closed state always, and priority is higher than control of the above-mentioned indoor/outdoor temperature-difference to fresh air-changing device.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：
(1) present invention can solve the problems, such as that conventional domestic air-conditioned room can not effectively take a breath, and ensure the air matter in room
Amount；
(2) present invention facilitates user to carry out selective installation, compact-sized small；The one of fresh air-changing device and air-conditioning
Bodyization designs, and reduces room transformation difficulty, is also beneficial to the overall aesthetics of system；
(3) fresh air channel of fresh air-changing device of the invention is passed through heat exchanger for air-conditioner indoor machine, is preheated to fresh air
Or precooling, and air conditioning system is provided with return air channel, in the case of the outer temperature difference is larger indoors, reduce because of fresh air
The increase for causing air conditioning energy consumption is introduced, influence of the fresh air introduction to room comfort can be also reduced；
(4) electric-controlled box and air-conditioner controller of fresh air-changing device are in communication with each other by the present invention, and fresh-air ventilation is made to fill
It sets and links with air conditioner, the indoor and outdoor Temperature and Humidity information of fresh air-changing device can be obtained by air-conditioner controller, is conducive to
The manufacturing cost for reducing fresh air-changing device, is also beneficial to the control to fresh air-changing device；
(5) opening and closing that the present invention can be according to indoor and outdoor temperature and air quality control to fresh air-changing device, one
While step reduces air conditioning energy consumption, ensure the comfort in room.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of fresh air-changing device, which is characterized in that including：
Shell (10), the shell (10), which is enclosed, to be set to form installation cavity；
Fresh-air fan (20), the fresh-air fan (20) are mounted in the installation cavity, are provided on the fresh-air fan (20)
Air inlet and air outlet；
The first end of fresh wind tube (30), the fresh wind tube (30) is connected to the air inlet, the second end of the fresh wind tube (30)
Extend to the outside of the shell (10)；
The first end of blast pipe (40), the blast pipe (40) is connected to the air outlet, the second end of the blast pipe (40)
Extend to the outside of the shell (10)；
Backwind tube (90), the backwind tube (90) is mounted in the installation cavity, and the first end of the backwind tube (90) and institute
State fresh wind tube (30) connection；
The first end of discharge pipe (50), the discharge pipe (50) is located in the installation cavity, the second end of the discharge pipe (50)
Extend to the outside of the shell (10).
2. fresh air-changing device according to claim 1, which is characterized in that the fresh air-changing device further includes the first control
Valve (60) processed, first control valve (60) are mounted on the fresh wind tube (30) to control the aperture of the fresh wind tube (30).
3. fresh air-changing device according to claim 2, which is characterized in that the fresh air-changing device further includes the second control
Valve (70) processed, second control valve (70) are mounted on the backwind tube (90) to control the aperture of the backwind tube (90).
4. fresh air-changing device according to claim 3, which is characterized in that first control valve (60), described second
Control valve (70) and the fresh-air fan (20) are solenoid valve.
5. fresh air-changing device according to claim 1, which is characterized in that the discharge pipe (50) is set in the air inlet
The periphery for managing (40), air-out passage is formed between the inner wall and the outer wall of the blast pipe (40) of the discharge pipe (50).
6. fresh air-changing device according to claim 3, which is characterized in that the fresh air-changing device further includes electric-controlled box
(80), the electric-controlled box (80) is mounted in the installation cavity, first control valve (60) and second control valve (70)
It communicates and connects with the electric-controlled box (80).
7. fresh air-changing device according to claim 6, which is characterized in that the fresh air-changing device further includes for examining
The temperature difference detecting element of indoor/outdoor temperature-difference size is surveyed, the temperature difference detecting element is connected with the electric-controlled box (80) communication.
8. fresh air-changing device according to claim 1, which is characterized in that the outer surface of the shell (10) is provided with guarantor
Warm layer.
9. fresh air-changing device according to claim 1, which is characterized in that be provided with exhaust outlet on the shell (10)
(11)。
10. fresh air-changing device according to claim 1, which is characterized in that the fresh air-changing device further includes being used for
Detect the environmental quality detecting element of outdoor environment.
11. fresh air-changing device according to any one of claim 1 to 10, which is characterized in that the fresh wind tube (30)
It is both provided with filter device at the blast pipe (40).
12. a kind of air conditioner, including fresh air-changing device, which is characterized in that the fresh air-changing device is claim 1 to 11
Any one of described in fresh air-changing device, the air conditioner further includes air conditioning chamber's inside/outside machine connecting tube (100), the air-conditioning
Room inside/outside machine connecting tube (100) is embedded in the inside of the blast pipe (40), and air conditioning chamber's inside/outside machine connecting tube (100)
There is air inlet gap between the inner wall of the blast pipe (40).
13. a kind of control method of air conditioner, which is characterized in that the control method of the air conditioner utilizes institute in claim 12
The air conditioner stated realizes that the control method of the air conditioner includes the following steps：
It chooses whether to open fresh air-changing device while opening air conditioner, and sets indoor temperature as first predetermined value；
If fresh air-changing device is selected to open, after indoor temperature reaches first predetermined value, temperature difference detecting element is examined automatically
The temperature difference for surveying indoor and outdoor, when indoor/outdoor temperature-difference is positioned at second predetermined value and third predetermined value between, electric-controlled box (80) controls the
One control valve (60) and the second control valve (70) are opened simultaneously, when indoor/outdoor temperature-difference is more than third predetermined value, electric-controlled box (80)
It controls the first control valve (60) and the second control valve (70) simultaneously closes off, it is automatically controlled when indoor/outdoor temperature-difference is less than second predetermined value
Box (80) controls the second control valve (70) and closes, wherein third preset value is more than the second preset value.
14. the control method of air conditioner according to claim 13, which is characterized in that when indoor/outdoor temperature-difference is located at second in advance
When between definite value and third predetermined value, if indoor/outdoor temperature-difference is bigger, electric-controlled box (80) control the second control valve (70) aperture is got over
Greatly, and control the first control valve (60) aperture is smaller；If indoor/outdoor temperature-difference is smaller, electric-controlled box (80) controls the second control valve
(70) aperture is smaller, and it is bigger to control the first control valve (60) aperture.
15. the control method of air conditioner according to claim 13, which is characterized in that when air conditioner is under cooling condition
When, the second predetermined value is 5 DEG C, and the third predetermined value is 10 DEG C；When air conditioner is under heating condition, described second
Predetermined value is 7 DEG C, and the third predetermined value is 15 DEG C.
16. the control method of air conditioner according to claim 13, which is characterized in that when Detection of Air Quality element testing
When being less than four predetermined values to Outdoor Air Quality, electric-controlled box (80) controls the first control valve (60) and the second control valve (70) begins
It is closed eventually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283196.8A CN108613312A (en) | 2018-04-02 | 2018-04-02 | Fresh air ventilation device, air conditioner and control method of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283196.8A CN108613312A (en) | 2018-04-02 | 2018-04-02 | Fresh air ventilation device, air conditioner and control method of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108613312A true CN108613312A (en) | 2018-10-02 |
Family
ID=63659295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810283196.8A Withdrawn CN108613312A (en) | 2018-04-02 | 2018-04-02 | Fresh air ventilation device, air conditioner and control method of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108613312A (en) |
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| WO2020093571A1 (en) * | 2018-11-07 | 2020-05-14 | 珠海格力电器股份有限公司 | Connecting pipe structure and air conditioner indoor unit having same |
| CN111426021A (en) * | 2020-02-27 | 2020-07-17 | 青岛海尔空调电子有限公司 | Air duct type air conditioner and operation control method and device thereof |
| WO2021022651A1 (en) * | 2019-08-05 | 2021-02-11 | 广东美的制冷设备有限公司 | Air conditioner |
| CN112393332A (en) * | 2020-11-30 | 2021-02-23 | 珠海格力电器股份有限公司 | Window type air conditioner and control method thereof |
| CN114110740A (en) * | 2021-11-12 | 2022-03-01 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
| CN114754443A (en) * | 2022-04-29 | 2022-07-15 | 青岛海信日立空调系统有限公司 | Total heat exchanger and control method thereof |
| WO2023241091A1 (en) * | 2022-06-14 | 2023-12-21 | 青岛海尔空调器有限总公司 | Fresh-air pipe structure and fresh-air air conditioner |
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| WO2023241091A1 (en) * | 2022-06-14 | 2023-12-21 | 青岛海尔空调器有限总公司 | Fresh-air pipe structure and fresh-air air conditioner |
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Application publication date: 20181002 |