CN108662661A - Air conditioner indoor unit and its control method - Google Patents
Air conditioner indoor unit and its control method Download PDFInfo
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- CN108662661A CN108662661A CN201810486099.9A CN201810486099A CN108662661A CN 108662661 A CN108662661 A CN 108662661A CN 201810486099 A CN201810486099 A CN 201810486099A CN 108662661 A CN108662661 A CN 108662661A
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- air
- indoor unit
- conditioner indoor
- air conditioner
- connecting tube
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-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
- F24F13/02—Ducting arrangements
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to air-conditioning technique fields, and in particular to a kind of air conditioner indoor unit and its control method.Present invention seek to address that existing air-conditioning big problem of existing noise when air output is big.For this purpose, the air conditioner indoor unit of the present invention includes ontology, heat exchanger and pressure fan are provided in ontology, air conditioner indoor unit further includes mending wind module, it includes shell, the blast pipe being connected to outdoor is provided on shell, air-introduced machine and connecting tube are provided in shell, the first end of connecting tube and the exhaust outlet of air-introduced machine connect, the second end of connecting tube extends to the inlet side of heat exchanger, it mends wind module to be arranged under the drive of air-introduced machine, outdoor fresh air is introduced into the inlet side that shell and flowing through is expelled to heat exchanger after air-introduced machine and connecting tube.Drainage plate is provided in connecting tube, neighbouring air is introduced connecting tube by drainage plate when air-introduced machine works.Wind module is mended by setting, noise when air conditioner indoor unit operating can be greatly reduced in the present invention.
Description
Technical field
The present invention relates to air-conditioning technique fields, and in particular to a kind of air conditioner indoor unit and its control method.
Background technology
With the increasingly raising of living standard, requirement of the people for quality of life is also higher and higher, and this requirement is in
Embody particularly evident on electrical appliance.By taking air-conditioning as an example, when indoor/outdoor temperature-difference is larger, in order to meet user from outdoor into entering the room
It is interior after fast-refrigerating/heating demand, existing air-conditioning usually all have fast-refrigerating/heat-production functions, open fast-refrigerating/
When heat-production functions, the compressor operating of air-conditioning is in higher frequency with fast lifting refrigerating capacity/heating capacity, and air conditioner indoor unit is with height
Rotating speed, Wind Volume operation send cold air/hot-air after heat exchange back to interior, to realize the fast velocity modulation to indoor temperature
Section.
Although fast-refrigerating/heat-production functions of above-mentioned air-conditioning solve fast-refrigerating/heating of user to a certain extent
Demand, but this air-conditioning is also inevitably present following problem：The performance (i.e. refrigerating/heating effect) and wind of traditional air conditioner
It is a pair of irreconcilable contradiction to make an uproar, and air-conditioning promotes the scheme of refrigerating/heating effect by increasing air output so that air output increases
While, noise also becomes larger therewith；But if meeting noise reduction index, the performance of air-conditioning again can be by a degree
Limitation.These problems are particularly evident in library, ward, some special application scenarios of the room etc. of crowd of having a sleepless night.Also
It is to say, existing air-conditioning has that noise is big when air output is big.
Correspondingly, this field needs a kind of new air conditioner indoor unit and its control method to solve the above problems.
Invention content
In order to solve the above problem in the prior art, in order to solve, existing air-conditioning is existing when air output is big to make an uproar
The big problem of sound is provided with heat exchanger and air-supply the present invention provides a kind of air conditioner indoor unit, including ontology in the ontology
Machine, the air conditioner indoor unit further include mending wind module, and the benefit wind module includes shell, are provided on the shell and connect with outdoor
Logical blast pipe is provided with air-introduced machine and connecting tube, the row of the first end of the connecting tube and the air-introduced machine in the shell
Air port connects, and the second end of the connecting tube extends to the inlet side of the heat exchanger, and the benefit wind module is arranged to
Under the drive of the air-introduced machine, outdoor fresh air is introduced into the shell by the blast pipe and flows through the air-introduced machine and company
After taking over, the inlet side of the heat exchanger is expelled to by the second end of the connecting tube；It is provided with and draws in the connecting tube
Neighbouring air can be introduced the connecting tube by flowing plate, the drainage plate when the air-introduced machine works.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the section of the drainage plate is arc, and the arc can
Neighbouring air is drained to the direction of the second end of the connecting tube.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the position on the shell close to the drainage plate also opens up
There is air inlet.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, it is provided with first through hole on the shell, on the ontology
It is provided with the second through-hole, the second end of the connecting tube extends to the heat after the first through hole and second through-hole
The inlet side of exchanger.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the connecting tube has side plate bending.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the second end of the connecting tube has bell-mouth structure of air.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, one end that the blast pipe is connect with the shell has loudspeaker
Mouth structure.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the air-introduced machine is centrifugal blower.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the air conditioner indoor unit is wall-hanging air conditioner indoor unit, institute
It states and mends the back side that wind module is removably set to the ontology.
The present invention also provides a kind of control method of air conditioner indoor unit, the control method includes：
Obtain the wind speed setting of the air conditioner indoor unit；
When the wind speed setting is more than wind speed threshold value, the air-introduced machine and the pressure fan are controlled respectively with the first setting
Rotating speed and the second setting speed are run simultaneously.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, air conditioner indoor unit includes this
Body is provided with heat exchanger and pressure fan in ontology, and air conditioner indoor unit further includes mending wind module, and it includes shell, shell to mend wind module
It is provided with the blast pipe being connected to outdoor on body, air-introduced machine and connecting tube, the first end and air inducing of connecting tube are provided in shell
The exhaust outlet of machine connects, and the second end of connecting tube extends to the inlet side of heat exchanger, mends wind module and is arranged in air inducing
Under the drive of machine, outdoor fresh air by blast pipe is introduced into shell and after flowing through air-introduced machine and connecting tube, passes through the of connecting tube
Two ends are expelled to the inlet side of heat exchanger；It is provided with drainage plate in connecting tube, drainage plate can will be attached when air-introduced machine works
Close air introduces connecting tube.
Wind module is mended by being arranged on air conditioner indoor unit, the present invention can be substantially reduced air conditioner indoor unit and be transported in Wind Volume
Noise when row.Specifically, the performance of air conditioner indoor unit depends on heat exchange efficiency, and heat exchange efficiency has direct pass with air output
Room air directly can be sent into heat exchanger and participate in cycle, alleviated in air conditioner indoor unit and send by system, benefit wind module of the invention
The operating pressure of wind turbine.Through inventor's repetition test, observation, analysis and it was found that, at the same time start air conditioner indoor unit in
Pressure fan and when mending wind mould air-introduced machine in the block, low-speed running point during air conditioner indoor unit can pass through air-introduced machine and pressure fan simultaneously
Air output is carried on a shoulder pole, to the independent high speed of pressure fan under the premise of providing identical air output, being greatly lowered in air conditioner indoor unit
The noise generated when operation ensures that the runnability of air-conditioning is constant or even increases.Pass through the setting of blast pipe so that air-conditioning
Indoor unit can also introduce outdoor fresh air at runtime, ensure that the oxygen content of room air, solve room air muddiness quality
The problems such as difference.That is, to solve the air-conditioning in the prior art existing noise when Wind Volume is run big by the present invention
Problem, and simple in structure, significant effect use suitable for large-scale promotion.
Description of the drawings
With reference to the accompanying drawings and in conjunction with wall-hanging air conditioner indoor unit come describe the present invention air conditioner indoor unit and its controlling party
Method.In attached drawing：
Fig. 1 be the present invention the first embodiment in wall-hanging air conditioner indoor unit structural schematic diagram；
Fig. 2 be the present invention the first embodiment in wall-hanging air conditioner indoor unit exploded perspective view；
Fig. 3 is sectional views of the Fig. 1 at A-A；
Fig. 4 is the fundamental diagram of wall-hanging air conditioner indoor unit in the first embodiment of the present invention, and it illustrates draw
The air draught process of wind turbine；
Fig. 5 is the fundamental diagram of wall-hanging air conditioner indoor unit in the first embodiment of the present invention, and it illustrates walls
The benefit wind process of hanging air-conditioner indoor machine；
Fig. 6 be the present invention second of embodiment in wall-hanging air conditioner indoor unit exploded perspective view；
Fig. 7 is the fundamental diagram of wall-hanging air conditioner indoor unit in second of embodiment of the present invention, and it illustrates draw
The air draught process of wind turbine；
Fig. 8 is the flow chart of the control method of the wall-hanging air conditioner indoor unit of the present invention.
Reference numerals list
1, ontology；11, return air inlet；12, air outlet；13, heat exchanger；14, cross flow fan；2, wind module is mended；21, shell
Body；21a, front cover shell；21b, rear casing；211, blast pipe；212, air inlet；213, first through hole；214, mounting hole；23, draw
Wind turbine；231, spiral case；232, motor；233, fan；25, connecting tube；251, drainage plate.
Specific implementation mode
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.Although for example,
Blast pipe in attached drawing is provided in the middle part of the top surface of shell, but this position relationship is non-unalterable, people in the art
Member can as needed make adjustment to it, to adapt to specific application scenario.For example, blast pipe can also be arranged in shell
Side or bottom surface etc..
It should be noted that in the description of the present invention, term "center", "upper", "lower", "left", "right", "vertical",
The direction of the instructions such as "horizontal", "inner", "outside" or the term of position relationship are direction based on ... shown in the drawings or position relationship, this
It is intended merely to facilitate description, rather than indicates or imply that described device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used
In description purpose, it is not understood to indicate or imply relative importance.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the present invention.
To solve the problems, such as that existing air-conditioning is big in the presence of air-supply noise when air output is big, the present invention proposes a kind of wall-mounted sky
Indoor unit is adjusted, to increase absorbing quantity while reducing the noise of air conditioner indoor unit, breaks the air-supply of traditional air conditioner indoor unit
The deadlock that amount and noise reduction can not get both promotes user experience.
With reference first to Fig. 1 to Fig. 5, the first embodiment of the wall-hanging air conditioner indoor unit of the present invention is described.
Wherein, Fig. 1 be the present invention the first embodiment in wall-hanging air conditioner indoor unit structural schematic diagram；Fig. 2 is of the invention
The exploded perspective view of wall-hanging air conditioner indoor unit in the first embodiment；Fig. 3 is sectional views of the Fig. 1 at A-A；Fig. 4 is this
The fundamental diagram of wall-hanging air conditioner indoor unit in the first embodiment of invention, it illustrates the air draught processes of air-introduced machine；
Fig. 5 is the fundamental diagram of wall-hanging air conditioner indoor unit in the first embodiment of the present invention, and it illustrates wall-hanging air conditioners
The benefit wind process of indoor unit.
As shown in Figure 1 to Figure 3, wall-hanging air conditioner indoor unit of the invention (hereinafter referred to as indoor unit) includes mainly ontology 1
With the benefit wind module 2 outside ontology 1, return air inlet 11, air outlet 12, heat exchanger 13, cross flow fan are provided in ontology 1
14 (i.e. pressure fan), control module (not shown) etc..Mend the back side installation that wind module 2 is tightly attached to indoor unit comprising shell
Body 21 is provided with blast pipe 211 on shell 21, and air-introduced machine 23 and connecting tube 25 are provided in shell 21, and air-introduced machine 23, which has, to be inhaled
The first end of air port and exhaust outlet, connecting tube 25 is connect with air-introduced machine 23, and second end extends to the inlet side of heat exchanger 13.It mends
Wind module 2 is arranged under the drive of air-introduced machine 23, outdoor fresh air is introduced shell 21 by blast pipe 211, and successively
After the inlet scoop of air-introduced machine 23, the exhaust outlet of air-introduced machine 23 and connecting tube 25 hot friendship is expelled to from the second end of connecting tube 25
The inlet side of parallel operation 13.
With reference to Fig. 4, Fig. 5 and Fig. 1 to Fig. 3 is combined, when indoor unit works, the cross flow fan 14 inside indoor unit and air inducing mould
Air-introduced machine 23 in the block slowly runs in simultaneously, and room air enters ontology under the drive of cross flow fan 14 from return air inlet 11
1 and after the heat exchanger 13, it is sent into interior from air outlet 12；Outdoor fresh air is under the drive of air-introduced machine 23 from blast pipe 211
Into shell 21, and pass through connecting tube after the inlet scoop of air-introduced machine 23, the exhaust outlet of air-introduced machine 23, connecting tube 25 successively
25 second end be expelled to heat exchanger 13 inlet side mixed with the room air that cross flow fan 14 introduces after by air outlet 12
It is sent into indoor.
It can be seen from the above description that indoor unit of the invention can be at runtime by starting 23 He of air-introduced machine simultaneously
Noise of the indoor unit in 14 independent high-speed cruising of cross flow fan is greatly lowered simultaneously with middle low-speed running in cross flow fan 14.
That is, the present invention solves the problems, such as that air-conditioning existing noise when Wind Volume is run is big in the prior art, and mend wind
Module 2 is simple in structure, significant effect, can while not influencing indoor unit aesthetics Embedded increase air output, auxiliary
Air-conditioning carries out refrigerating/heating, is used suitable for large-scale promotion.
With reference to Fig. 2 and according to orientation shown in Fig. 2, in a kind of possible embodiment, shell 21 substantially at cuboid,
Including front cover shell 21a and rear casing 21b, front cover shell 21a can by clamping, the modes such as be bonded, be spirally connected and rear casing 21b is fastened
Connection.Similarly, front cover shell 21a can be connect with ontology 1 in an identical manner.Mounting hole is offered on the upside of rear casing 21b
214, there is bell-mouth structure of air, the bell-mouth structure of air to be installed with the cooperation of mounting hole 214 for the indoor end of blast pipe 211, such as grafting or
It is spirally connected；The outdoor end of blast pipe 211 extend out to outdoor across wall.Air-introduced machine 23 is preferably centrifugal blower comprising snail
Shell 231, motor 232 and fan 233, fan 233 are formed with inlet scoop, exhaust outlet are provided on spiral case 231.Front cover shell 21a's
Right side top is provided with first through hole 213, and corresponding position is provided with the second through-hole (not shown) on ontology 1, even
The first end of take over 25 is connect with the exhaust outlet of air-introduced machine 23, and the second end of connecting tube 25 is logical across first through hole 213 and second
Hole extends to the inlet side of heat exchanger 13.Pipeline between the first end and second end of connecting tube 25 has side plate bending, that is, manages
The section in road is arc, and the second end of connecting tube 25 has bell-mouth structure of air.
With reference to Fig. 3 and according to orientation shown in Fig. 3, it is additionally provided with multiple drainage plates 251 in connecting tube 25, it is close on shell 21
The position of drainage plate 251 is further opened with air inlet 212 (referring to Fig.1), as air inlet 212 is opened in the front shroud of 25 top of connecting tube
On shell 21a, and air inlet 212 is disposed adjacent with mounting hole 214.Drainage plate 251, which can introduce neighbouring room air, to be connected
Take over 25 is simultaneously ejected after being mixed with the air stream from air-introduced machine 23 from the second end of connecting tube 25.As shown in figure 3, drainage plate
251 preferably cross sections are recessed arc, so that room air flows through the arc drainage plate 251 from the top of drainage plate 251
When can preferably be guided to the second end of connecting tube 25.
In control mode, mending wind module 2 can individually control, such as mend 2 inside of wind module configured with electrically-controlled component (figure
In be not shown), configure remote controler to mend wind module 2 or using modes such as cell phone applications electrically-controlled component controlled, can also will
Mend wind module 2 and combined control with air conditioner, for example, on air-conditioning remote control it is prior remain for controlling in advance in benefit wind module 2 by
Key is realized empty to mending wind module 2 in such a way that air-conditioning remote control is direct or master component is connected to air conditioner spare interface
Control.
It is above-mentioned to have the advantage that：Pass through mend wind module 2 setting so that indoor unit in the running, 23 He of air-introduced machine
Cross flow fan 14 operates at middle and slow speed of revolution individually running at high speed instead of cross flow fan 14 jointly, to constant even in air output
In the case of increase, significantly reduce noise.Through inventor's repetition test, observation, analysis and it was found that, for cross flow fan
For 14, rotating speed is higher, and noise is bigger, when rotating speed increases near maximum (top) speed, since air flow faster, vibrations are apparent
Increase, the noise that indoor unit generates can be in the growth of geometry grade.And it is low in making cross flow fan 14 and air-introduced machine 23 while operating in
When fast, air-introduced machine 23 can be that cross flow fan 14 shares air output, under the premise of providing identical air output, significantly drop
The noise generated when wind turbine high-speed cruising in low air conditioner room unit, ensures that the runnability of air-conditioning is constant or even is carried
It is high.The setting of blast pipe 211 so that air conditioner indoor unit can also introduce outdoor fresh air at runtime, ensure that room air
Oxygen content, solves that room air is muddy, the problems such as of poor quality.The setting of drainage plate 251 takes full advantage of venturi effect
It answers, when air stream is flowed through out of connecting tube 25, the air pressure of air-flow is big, and the quick flowing of air-flow can be such that drainage plate 251 nearby produces
Raw negative pressure, indoor air flow will be inhaled into fluidic channel along drainage plate 251 and steadily be mixed with air stream, so as to keep
Under the premise of air-introduced machine 23 and 14 rotating speed of cross flow fan are constant, air quantity is further increased, or under the premise of ensureing air output, make
Obtaining the rotating speed of air-introduced machine 23 and cross flow fan 14 can further decrease, and further decrease noise.251 section of drainage plate is arc
Set-up mode, then reduce the linear loss in drainage process and friction when being mixed with air stream in fluidic channel damage
It loses, effectively improves intake.
In addition, the pipeline of connecting tube 25 with side plate bending and second end with bell-mouthed set-up mode so that air inducing
The air-flow of 23 exhaust outlet of machine discharge can smoothly transit to fluidic channel, reduce linear loss.The indoor end of blast pipe 211 has
There is the set-up mode of bell-mouth structure of air, it is more steady smooth when outdoor fresh air can be made to enter shell 21, to increase air-introduced machine
23 suction air volume, and then increase air output.Also, existing wall-hanging air conditioner indoor unit can be set to due to mending wind module 2
Ontology 1 outside, this also enable the present invention benefit wind module 2 individually sell, user without more costly cost buy one
The new low noise air-conditioning of platform, but only spend the purchase cost of very little and improvement cost that can will mend wind module 2 and be installed on air-conditioning
Outside the ontology 1 of indoor unit, the application scenarios of the present invention have been expanded significantly, have been used suitable for large-scale promotion.
Certainly, the above embodiment is used merely to illustrate the principle of the present invention, it is not intended that in the protection of the limitation present invention
Range, under conditions of without departing from the principle of the invention, those skilled in the art can be adjusted the above embodiment, so as to
The present invention can be applied to more specifical application scenarios.For example, the section of drainage plate 251 could be provided as other straight lines or arc
Line, as long as the shape can reduce the linear loss in drainage process；For another example, connection can not also be arranged by mending wind module 2
Pipe 25, but the exhaust outlet of air-introduced machine 23 is directly connected to the second through-hole of ontology 1；For another example, connecting tube 25 can not have
Side plate bending, but right angle section is used to replace, bell-mouth structure of air etc. can not also be arranged in the second end of connecting tube 25；For another example, air inducing
Machine 23 can also use other such as axial flow blowers or flow-mixing blower fan；For another example, blast pipe 211 can also be set together with mounting hole 214
Other positions are placed in, such as the up/down portion of the top surfaces rear casing 21b or the front/rear side of shell 21 or bottom surface etc..
For another example, purification assembly can also be set in shell 21, to carry out circularly purifying and filtering to room air, carried
The cleannes of high room air reduce the particle that swims in air.If purification assembly includes partition board and filter layer, partition board and shell
21 are tightly connected shell 21 being divided into first chamber and second chamber；Filter hole is opened up on partition board, filter layer is set to
First chamber simultaneously covers the filter hole, and air-introduced machine 23 is set to second chamber, and inlet scoop is correspondingly arranged with filter hole.Filter layer
For that can adsorb or decompose the filtration of pernicious gas in air, such as HEPA filters or active carbon filter screen, HEPA filterings
Device generally includes three layer filtration layer (primary filter layer, charged layer, electrostatic precipitator knoisphere), to a diameter of 0.3 micron of particle below
Removal efficiency can reach 99.97% or more.Thus, when air-introduced machine 23 operates, room air first passes through filter layer progress
After filtering, sucked by air-introduced machine 23.
Referring to Fig. 6 and Fig. 7, wall-hanging air conditioner indoor unit in second of embodiment of the present invention is described.
Wherein, Fig. 6 be the present invention second of embodiment in wall-hanging air conditioner indoor unit exploded perspective view；Fig. 7 is of the invention
The fundamental diagram of wall-hanging air conditioner indoor unit in second of embodiment, it illustrates the air draught processes of air-introduced machine.Such as Fig. 6 and
It,, can also be in shell 21 under conditions of other set-up modes are constant in alternatively possible embodiment shown in Fig. 7
Two air-introduced machines 23 and two connecting tubes 25 are set, accordingly, on shell 21 setting opened on ontology 1 there are two first through hole 213
If there are two the second through-holes.Wherein, air-introduced machine 23 is symmetrically set in shell 21.So, when machine works indoors, two
A air-introduced machine 23 can realize identical air output with cross flow fan 14 with smaller rotating speed, big to further decrease air output
When indoor unit generate noise, improve user experience.
Referring to Fig. 8, the control method of the wall-hanging air conditioner indoor unit of the present invention is illustrated.Wherein, Fig. 8 is this
The flow chart of the control method of the wall-hanging air conditioner indoor unit of invention.
As shown in figure 8, the control method of the air conditioner indoor unit of the present invention mainly includes the following steps that：
S100, the wind speed setting for obtaining indoor unit such as pass through the ginseng in the operational mode of user's selection air-conditioning from setting
Wind speed setting is obtained in number, or when the wind speed of machine is set as automatic wind speed indoors, obtain current operating air velocity conduct automatically
Wind speed setting；
S200, when wind speed setting is more than wind speed threshold value, control air-introduced machine 23 and cross flow fan 14 respectively with the first setting
Rotating speed and the second setting speed are run simultaneously, if wind speed threshold value is that high speed or the cross flow fan 14 high rotating speed in isolated operation correspond to
Wind speed etc., when wind speed setting is more than wind speed threshold value, the control module control air-introduced machine 23 and cross flow fan 14 of indoor unit are same
Shi Yizhong low rate starts are run, to reduce the noise of indoor unit generation.
Wherein, the first setting speed and the second setting speed can be identical, can also be based on the modes such as experiment and be configured,
At certain proportionate relationship such as between the first setting speed and the second setting speed, to ensure that air-introduced machine 23 and cross flow fan 14 are same
Noise when Shi Kaiqi is minimum.Obviously, wind speed threshold value can also be adjusted according to different type of machines and use environment, and the tune
Whole level of noise when should be based primarily upon 14 individual operation of cross flow fan carries out.
Finally, it should be noted that although the air conditioner indoor unit of the present invention is described in conjunction with wall-hanging air conditioner indoor unit
, but it is clear that the benefit wind module of the present invention can also be applied to other air conditioner indoor unit, such as cabinet type air conditioner indoor set.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific implementation modes.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make the relevant technologies feature equivalent change or replacement, these
Technical solution after change or replacement is fallen within protection scope of the present invention.
Claims (10)
1. a kind of air conditioner indoor unit, including ontology, it is provided with heat exchanger and pressure fan in the ontology, which is characterized in that institute
It further includes mending wind module to state air conditioner indoor unit, the benefits wind module includes shell, is provided on the shell and is connected to outdoor
Blast pipe is provided with air-introduced machine and connecting tube, the exhaust outlet of the first end of the connecting tube and the air-introduced machine in the shell
Connection, the second end of the connecting tube extend to the inlet side of the heat exchanger, and the benefit wind module is arranged in institute
Under the drive for stating air-introduced machine, outdoor fresh air is introduced into the shell by the blast pipe and flows through the air-introduced machine and connecting tube
Afterwards, the inlet side of the heat exchanger is expelled to by the second end of the connecting tube；
Drainage plate is provided in the connecting tube, the drainage plate can introduce neighbouring air when the air-introduced machine works
The connecting tube.
2. air conditioner indoor unit according to claim 1, which is characterized in that the section of the drainage plate is arc, the arc
Shape can drain neighbouring air to the direction of the second end of the connecting tube.
3. air conditioner indoor unit according to claim 2, which is characterized in that close to the position of the drainage plate on the shell
It is further opened with air inlet.
4. air conditioner indoor unit according to any one of claim 1 to 3, which is characterized in that be provided on the shell
One through-hole, the second through-hole is provided on the ontology, and the second end of the connecting tube passes through the first through hole and described second
The inlet side of the heat exchanger is extended to after through-hole.
5. air conditioner indoor unit according to claim 4, which is characterized in that the connecting tube has side plate bending.
6. air conditioner indoor unit according to claim 4, which is characterized in that the second end of the connecting tube has horn mouth knot
Structure.
7. air conditioner indoor unit according to claim 1, which is characterized in that one end that the blast pipe is connect with the shell
With bell-mouth structure of air.
8. air conditioner indoor unit according to claim 1, which is characterized in that the air-introduced machine is centrifugal blower.
9. air conditioner indoor unit according to claim 1, which is characterized in that the air conditioner indoor unit is in wall-hanging air conditioner room
Machine, the back side mended wind module and be removably set to the ontology.
10. the control method of the air conditioner indoor unit described in a kind of any one of claim 1 to 9, which is characterized in that the control
Method includes：
Obtain the wind speed setting of the air conditioner indoor unit；
When the wind speed setting is more than wind speed threshold value, the air-introduced machine and the pressure fan are controlled respectively with the first setting speed
It is run simultaneously with the second setting speed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486099.9A CN108662661A (en) | 2018-05-21 | 2018-05-21 | Air conditioner indoor unit and its control method |
| PCT/CN2019/083505 WO2019223473A1 (en) | 2018-05-21 | 2019-04-19 | Air conditioner indoor unit and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486099.9A CN108662661A (en) | 2018-05-21 | 2018-05-21 | Air conditioner indoor unit and its control method |
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| CN108662661A true CN108662661A (en) | 2018-10-16 |
Family
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| CN201810486099.9A Pending CN108662661A (en) | 2018-05-21 | 2018-05-21 | Air conditioner indoor unit and its control method |
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| WO (1) | WO2019223473A1 (en) |
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| CN110118388A (en) * | 2019-05-15 | 2019-08-13 | 青岛海尔空调器有限总公司 | Outstanding angle air conditioner indoor unit |
| CN110160163A (en) * | 2019-05-15 | 2019-08-23 | 青岛海尔空调器有限总公司 | Outstanding angle air conditioner indoor unit |
| CN110160161A (en) * | 2019-05-15 | 2019-08-23 | 青岛海尔空调器有限总公司 | Outstanding angle air conditioner indoor unit |
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| CN110118388A (en) * | 2019-05-15 | 2019-08-13 | 青岛海尔空调器有限总公司 | Outstanding angle air conditioner indoor unit |
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