CN108895539A - Air conditioner indoor unit and its control method - Google Patents
Air conditioner indoor unit and its control method Download PDFInfo
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- CN108895539A CN108895539A CN201810486000.5A CN201810486000A CN108895539A CN 108895539 A CN108895539 A CN 108895539A CN 201810486000 A CN201810486000 A CN 201810486000A CN 108895539 A CN108895539 A CN 108895539A
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- Prior art keywords
- air
- indoor unit
- conditioner indoor
- air conditioner
- shell
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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
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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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
-
- 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
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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
- 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
- F24F13/24—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
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (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, air conditioner indoor unit of the invention includes ontology, heat exchanger and pressure fan are provided in ontology, air conditioner indoor unit further includes mending wind module, and mending wind module includes shell, and the first air inlet is provided on shell, purification assembly and air-introduced machine are provided in shell, it mends wind module to be arranged under the drive of air-introduced machine, after introducing shell by the first air inlet by room air and pass through purification assembly, the inlet side of heat exchanger is expelled to by the exhaust outlet of air-introduced machine.By mending the setting of wind module, the noise generated 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 technique
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, enter room to meet user from outdoor
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
Revolving speed, Wind Volume operation send cold air/hot-air after heat exchange back to interior, to realize the fast velocity modulation to room 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
Making an uproar is a pair of irreconcilable contradiction, 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 will receive again in a degree
Limitation.These problems library, ward, the crowd that has a sleepless night some special application scenarios such as room in it is particularly evident.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.
Summary of the invention
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 in the ontology the present invention provides a kind of air conditioner indoor unit, including ontology
Machine, the air conditioner indoor unit further include mending wind module, and the benefit wind module includes shell, and the first air inlet is provided on the shell
Mouthful, it is provided with purification assembly and air-introduced machine in the shell, the benefit wind module is arranged to the drive in the air-introduced machine
Under, after introducing the shell by first air inlet by room air and pass through the purification assembly, pass through the air inducing
The exhaust outlet of machine is expelled to the inlet side of the heat exchanger.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the benefit wind module further includes connecting tube, on the shell
It is provided with first through hole, the second through-hole, the air draft of the first end of the connecting tube and the air-introduced machine are provided on the ontology
Mouth connection, the second end of the connecting tube extend to the heat exchanger after passing through the first through hole and second through-hole
Inlet side.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the connecting tube has side plate bending；And/or the company
The second end of adapter tube has bell-mouth structure of air.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the connecting tube is provided with drainage plate, the drainage plate energy
It is enough that neighbouring air is introduced into the connecting tube in air-introduced machine work.
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 is also opened up
There is the second air inlet.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the purification assembly includes partition and filter layer, it is described every
The shell is divided into first chamber and second chamber by plate, and the air-introduced machine is located at the first chamber, the filter layer position
In offering filter hole in the second chamber, the partition, the first chamber and second chamber are connected by the filter hole
It is logical.
In the optimal technical scheme of above-mentioned air conditioner indoor unit, the partition is connect with the housing seal.
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 greater than wind speed threshold value, the air-introduced machine and the pressure fan are controlled respectively with the first setting
Revolving speed and the second setting speed are run simultaneously.
It will be appreciated to those of skill in the art that air conditioner indoor unit includes this in the preferred technical solution of the present invention
Body is provided with heat exchanger and pressure fan in ontology, and air conditioner indoor unit further includes mending wind module, and mending wind module includes shell, shell
It is provided with the first air inlet on body, purification assembly and air-introduced machine are provided in shell, mends wind module and is arranged in air-introduced machine
Drive under, by room air by the first air inlet introduce shell and pass through purification assembly after, pass through the exhaust outlet of air-introduced machine
It is expelled to the inlet side of heat exchanger.
By mending the setting of wind module, the present invention can be substantially reduced noise of the air conditioner indoor unit in Wind Volume operation.
Specifically, the performance of air conditioner indoor unit depends on heat exchange efficiency, and heat exchange efficiency and air output have direct relation, of the invention
Mending wind module directly can send room air into heat exchanger participation circulation, alleviate the work pressure of pressure fan in air conditioner indoor unit
Power.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 air inducing
When air-introduced machine in module, air conditioner indoor unit can by air-introduced machine and pressure fan simultaneously in low-speed running share air output, from
And under the premise of providing identical air output, what when blower high-speed cruising being greatly lowered in air conditioner room unit generated makes an uproar
Sound guarantees that the runnability of air-conditioning is constant or even increases.The setting of purification assembly, so that air conditioner indoor unit is gone back at runtime
Circulating purification and filtering can be carried out to room air, improve the cleannes of room air, reduce the particle that swims in air.
That is, the present invention solves the problems, such as that air-conditioning existing noise in Wind Volume operation is big in the prior art, hence it is evident that promoted
The usage experience of user, and the configuration of the present invention is simple, significant effect are suitable for that large-scale promotion uses.
Detailed description of the invention
Air conditioner indoor unit and its controlling party of the invention are described with reference to the accompanying drawings and in conjunction with wall-hanging air conditioner indoor unit
Method.In attached drawing：
Fig. 1 is the structural schematic diagram of wall-hanging air conditioner indoor unit in the first embodiment of the invention；
Fig. 2 is the perspective view of the explosion of wall-hanging air conditioner indoor unit in the first embodiment of the invention；
Fig. 3 is cross-sectional view of the Fig. 1 at A-A；
Fig. 4 is after wall-hanging air conditioner indoor unit removes after rear casing and filter layer in the first embodiment of the invention
View；
Fig. 5 is the working principle diagram of wall-hanging air conditioner indoor unit in the first embodiment of the invention, and it illustrates draw
The air draught process of blower；
Fig. 6 is the working principle diagram of wall-hanging air conditioner indoor unit in the first embodiment of the invention, and it illustrates walls
The benefit wind process of hanging air-conditioner indoor machine；
Fig. 7 is the perspective view of the explosion of wall-hanging air conditioner indoor unit in second of embodiment of the invention；
Fig. 8 is the working principle diagram of wall-hanging air conditioner indoor unit in second of embodiment of the invention, and it illustrates draw
The air draught process of blower；
Fig. 9 is the flow chart of the control method of wall-hanging air conditioner indoor unit of the invention.
Reference signs 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, the first air inlet；212, the second air inlet；213, first through hole；23, air inducing
Machine；231, spiral case；232, motor；233, fan；25, connecting tube；251, drainage plate；27, purification assembly；271, partition；272,
Filter layer；273 filter hole.
Specific embodiment
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 technical principle of the invention, it is not intended that limit the scope of the invention.Although for example,
The first air inlet in attached drawing is former and later two sides that shell is arranged in, but this positional relationship is non-unalterable, ability
Field technique personnel, which can according to need, makes adjustment to it, to adapt to specific application.For example, the first air inlet may be used also
With top surface or the bottom surface etc. that shell is arranged in.
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 positional relationship are direction based on the figure or positional relationship, this
It is intended merely to facilitate description, rather than indication or suggestion described device or element must have a particular orientation, with specific
Orientation construction 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, be also possible to be electrically connected；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. 6, the first embodiment of wall-hanging air conditioner indoor unit of the invention is described.
Wherein, Fig. 1 is the structural schematic diagram of wall-hanging air conditioner indoor unit in the first embodiment of the invention；Fig. 2 is of the invention
The perspective view of the explosion of wall-hanging air conditioner indoor unit in the first embodiment；Fig. 3 is cross-sectional view of the Fig. 1 at A-A；Fig. 4 is this
Wall-hanging air conditioner indoor unit removes the rearview after rear casing and filter layer in the first embodiment of invention；Fig. 5 is this hair
The working principle diagram of wall-hanging air conditioner indoor unit in the first bright embodiment, it illustrates the air draught processes of air-introduced machine；Fig. 6
For the working principle diagram of wall-hanging air conditioner indoor unit in the first embodiment of the invention, it illustrates in wall-hanging air conditioner room
The benefit wind process of machine.
As shown in Figure 1 to Figure 3, wall-hanging air conditioner indoor unit of the invention (hereinafter referred to as indoor unit) mainly includes ontology 1
With the benefit wind module 2 being mounted on 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 the first air inlet 211 on shell 21, purification assembly 27, air-introduced machine 23 and connecting tube 25 is provided in shell 21,
Air-introduced machine 23 has air inlet and exhaust outlet, and the first end of connecting tube 25 is connect with air-introduced machine 23, and second end extends to heat exchange
The inlet side of device 13.It mends wind module 2 to be arranged under the drive of air-introduced machine 23, room air is passed through into the first air inlet
211 introduce shell 21, and successively pass through purification assembly 27, the air inlet of air-introduced machine 23, the exhaust outlet of air-introduced machine 23 and connecting tube
After 25, the inlet side of heat exchanger 13 is expelled to by the second end of connecting tube 25.
Referring to Fig. 5, Fig. 6 and Fig. 1 to Fig. 3 is combined, the cross flow fan 14 and air inducing mould when indoor unit works, inside indoor unit
Air-introduced machine 23 in block slowly runs in simultaneously, a part of room air under the drive of cross flow fan 14 from return air inlet 11 into
After entering ontology 1 and passing through heat exchanger 13, interior is sent into from air outlet 12；Drive of another part room air in air-introduced machine 23
Under from first air inlet 211 enter shell 21, and successively by purification assembly 27, the air inlet of air-introduced machine 23, air-introduced machine 23
After exhaust outlet, connecting tube 25, the inlet side of heat exchanger 13 is expelled to by the second end of connecting tube 25 and cross flow fan 14 draws
Interior is sent by air outlet 12 after the room air mixing entered.
It can be seen from the above description that indoor unit of the invention can pass through at runtime while start 23 He of air-introduced machine
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 in Wind Volume operation is big in the prior art, and mend wind
2 structure of module is simple, significant effect, can while not influencing indoor unit aesthetics Embedded increase air output, auxiliary
Air-conditioning carries out refrigerating/heating, is suitable for that large-scale promotion uses.
Referring to Fig. 2 and Fig. 4 and according to orientation shown in Fig. 2, in a kind of possible embodiment, shell 21 is substantially at rectangular
Body comprising front cover shell 21a and rear casing 21b, front cover shell 21a can by clamping, modes and the rear casing such as be bonded, be spirally connected
21b is fastenedly connected.Similarly, front cover shell 21a can be connect with ontology 1 in an identical manner.Purification assembly 27 includes partition 271
With filter layer 272, the outer rim and shell 21 of partition 271 are tightly connected, and the connection is so that shell 21 is separated into mutually by partition 271
Independent first chamber and second chamber, air-introduced machine 23 are located at first chamber, and filter layer 272 is located at second chamber.On partition 271
Filter hole 273 is offered, first chamber is connected to by the filter hole 273 with second chamber.Filter layer 272 is to be bonded or be clamped
Mode is fixed in the groove being arranged on the left of partition 271, and the second through-hole is completely covered after fixing.Filter layer 272 is can be with
Absorption or the filter structure for decomposing pernicious gas in air, such as HEPA filter or active carbon filter screen, HEPA filter are usual
It is 0.3 micron of particle removal effect below to diameter including three layer filtration layer (primary filter layer, charged layer, electrostatic precipitator knoisphere)
Rate can reach 99.97% or more.If Fig. 4 is also known, the area (i.e. in the projected area of front cover shell 21a) of partition 271 not with
The area equation of front cover shell 21a, but air-introduced machine 23 is sealed in partition by the way of the area for being significantly less than front cover shell 21a
In 271 first chambers formed with front cover shell 21a.
With continued reference to Fig. 2, former and later two sides of front cover shell 21a and rear casing 21b offer the first air inlet 211,
Air-inlet grille (not shown) is provided at first air inlet 211, room air can be drained to air-introduced machine by air-inlet grille
The front (i.e. in Fig. 2 the left side of filter layer 272, similarly hereinafter) of 23 front namely filter layer 272, such as the air inlet on front cover shell 21a
The grid tilting front so that air to be guided to filter layer 272 to the left to the left, the air-inlet grille straight line setting on rear casing 21b
Or it is tilting so as to by air conducting to the front of filter layer 272 to the right slightly.Air-introduced machine 23 is preferably centrifugal blower comprising
Spiral case 231, motor 232 and fan 233, fan 233 is formed with air inlet, is provided with exhaust outlet on spiral case 231, after assembling,
The fan 233 and filter hole 273 of air-introduced machine 23 are substantially coaxial.The right side top of front cover shell 21a is provided with first through hole 213
(can refer to Fig. 7), corresponding position is provided with the second through-hole (not shown) on ontology 1, the first end of connecting tube 25 with
The exhaust outlet of air-introduced machine 23 connects, and the second end of connecting tube 25 passes through first through hole 213 and the second through-hole extends to heat exchanger
13 inlet side.Pipeline between the first end and second end of connecting tube 25 has side plate bending, i.e. the section of pipeline is arc, even
The second end of adapter tube 25 has bell-mouth structure of air.
Referring 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 also provided with the second air inlet 212 (referring to Fig.1), as the second air inlet 212 is provided with connecting tube 25
Top.After neighbouring room air can be introduced connecting tube 25 and mixed with the air stream from air-introduced machine 23 by drainage plate 251
It is ejected from the second end of connecting tube 25.As shown in figure 3, the preferably cross section of drainage plate 251 is recessed arc, so as to interior
Air can preferably be guided to the second end of connecting tube 25 when flowing through the arc drainage plate 251 from the top of drainage plate 251.
In control mode, mending wind module 2 can individually be controlled, such as be mended inside wind module 2 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
Wind module 2 is mended control with air conditioner ining conjunction with, 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 benefit 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：By mending the setting of wind module 2, so that indoor unit is 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, thus 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, revolving speed is higher, and noise is bigger, when revolving speed increases near maximum (top) speed, since air flow faster, vibration are obvious
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 share air output for cross flow fan 14, to significantly drop under the premise of providing identical air output
The noise generated when blower high-speed cruising in low air conditioner room unit, guarantees that the runnability of air-conditioning is constant or even is mentioned
It is high.The setting of purification assembly 27, so that air conditioner indoor unit can also carry out circulating purification and filtering to room air at runtime,
The particles that swim such as the pm2.5 in air filtering are effectively crossed, room air cleanliness is improved.The setting of drainage plate 251, takes full advantage of
Venturi effect, 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 make drainage plate
251 nearby generate negative pressure, and indoor air flow will be inhaled into fluidic channel along drainage plate 251 and steadily mix with air stream, thus
Air quantity can be further increased, or guaranteeing air output under the premise of keeping air-introduced machine 23 and constant 14 revolving speed of cross flow fan
Under the premise of, air-introduced machine 23 and the revolving speed of cross flow fan 14 are further decreased, noise is further decreased.Drainage plate
251 sections are the set-up mode of arc, then reduce the linear loss in drainage process and mix with air stream in fluidic channel
Friction loss when conjunction, is effectively promoted intake.
In addition, the pipeline of connecting tube 25 has bell-mouthed set-up mode with side plate bending and second end, so that air inducing
The air-flow of 23 exhaust outlet of machine discharge can smoothly transit to fluidic channel, reduce linear loss.Air-inlet grille can will be indoor
Air conduction can make 23 air draught of air-introduced machine more smooth to the set-up mode of the air inlet of air-introduced machine 23, increase suction air volume, into
And increase air output.Partition 271 by the way of being significantly less than front cover shell 21a area by air-introduced machine 23 be sealed in partition 271 with
In the first chamber that front cover shell 21a is formed, also to enter first shell 21 by the first air inlet 211 on front cover shell 21a
Room air can also be guided to 23 front of air-introduced machine, guarantee filter effect.Also, it can be set to now due to mending wind module 2
Outside the ontology 1 of some wall-hanging air conditioner indoor units, this also enables benefit wind module 2 of the invention individually to sell, and user is not necessarily to
More costly cost buys a new low noise air-conditioning, but only spends the purchase cost of very little and improvement cost that can incite somebody to action
It mends wind module 2 to be installed on outside the ontology 1 of air conditioner indoor unit, has expanded application scenarios of the invention significantly, be suitable for large-scale promotion
It uses.
Certainly, above embodiment is used merely to illustrate the principle of the present invention, it is not intended that in limitation protection of the invention
Range, under conditions of without departing from the principle of the invention, those skilled in the art can be adjusted above embodiment, so as to
The present invention can be applied to more specifical application scenarios.For example, the section of drainage plate 251 can be set to other straight lines or arc
Line, as long as the shape can reduce the linear loss in drainage process；For another example, mending wind module 2 can also be not provided with connecting
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, the second end of connecting tube 25 can also be not provided with bell-mouth structure of air etc.；For another example, air inducing
Machine 23 can also use other such as axial flow blowers or flow-mixing blower fan；For another example, the area of partition 271 can certainly using with it is preceding
The roughly equal set-up mode of the area of housing 21a, and be connected between front cover shell 21a and rear casing 21b, by first shell 21
It is bisected into two chambers.
Referring to Fig. 7 and Fig. 8, wall-hanging air conditioner indoor unit in second of embodiment of the invention is described.
Wherein, Fig. 7 is the perspective view of the explosion of wall-hanging air conditioner indoor unit in second of embodiment of the invention；Fig. 8 is of the invention
The working principle 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. 7 and
It,, can also be in shell 21 under conditions of other set-up modes are constant in alternatively possible embodiment shown in Fig. 8
Two air-introduced machines 23 and two connecting tubes 25 are set, accordingly, two filter hole 273 is set on partition 271, are arranged on shell 21
Two first through hole 213 open up two the second through-holes on ontology 1.Wherein, air-introduced machine 23 is symmetrically set in shell 21.This
Sample one, when machine works indoors, two air-introduced machines 23 and cross flow fan 14 can realize identical air-supply with smaller revolving speed
Amount, thus further decrease air output it is big when indoor unit generate noise, improve user experience.
Referring to Fig. 9, the control method of wall-hanging air conditioner indoor unit of the invention is illustrated.Wherein, Fig. 9 is this
The flow chart of the control method of the wall-hanging air conditioner indoor unit of invention.
As shown in figure 9, the control method of air conditioner indoor unit of the 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, obtains current operating air velocity conduct automatically
Wind speed setting；
S200, when wind speed setting is greater than wind speed threshold value, control air-introduced machine 23 and cross flow fan 14 respectively with the first setting
Revolving 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 revolving speed in isolated operation are corresponding
Wind speed etc., when wind speed setting is greater 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 start operation, to reduce the noise of indoor unit generation.
Wherein, the first setting speed and the second setting speed can be identical, can also be configured based on modes such as tests,
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 air conditioner indoor unit of the invention is described in conjunction with wall-hanging air conditioner indoor unit
, but it is clear that benefit wind module of the 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 solution 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 embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of air conditioner indoor unit, including ontology, heat exchanger and pressure fan are provided in the ontology, which is characterized in that institute
Stating air conditioner indoor unit further includes mending wind module, and the benefit wind module includes shell, and the first air inlet, institute are provided on the shell
It states and is provided with purification assembly and air-introduced machine in shell, the benefit wind module is arranged under the drive of the air-introduced machine, will
After room air introduces the shell and pass through the purification assembly by first air inlet, pass through the row of the air-introduced machine
Air port is expelled to the inlet side of the heat exchanger.
2. air conditioner indoor unit according to claim 1, which is characterized in that the benefit wind module further includes connecting tube, described
It is provided with first through hole on shell, the second through-hole, the first end of the connecting tube and the air-introduced machine are provided on the ontology
Exhaust outlet connection, the second end of the connecting tube, which passes through, to be extended to the heat after the first through hole and second through-hole and hands over
The inlet side of parallel operation.
3. air conditioner indoor unit according to claim 2, which is characterized in that the connecting tube has side plate bending；And/or
The second end of the connecting tube has bell-mouth structure of air.
4. air conditioner indoor unit according to claim 2 or 3, which is characterized in that the connecting tube is provided with drainage plate, described
Neighbouring air can be introduced the connecting tube when the air-introduced machine works by drainage plate.
5. air conditioner indoor unit according to claim 4, 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.
6. air conditioner indoor unit according to claim 4, which is characterized in that close to the position of the drainage plate on the shell
It is also provided with the second air inlet.
7. air conditioner indoor unit according to claim 1, which is characterized in that the purification assembly includes partition and filter layer,
The shell is divided into first chamber and second chamber by the partition, and the air-introduced machine is located at the first chamber, the mistake
Filtering layer is located at the second chamber, and filter hole is offered on the partition, and the first chamber and second chamber pass through the mistake
Filter opening connection.
8. air conditioner indoor unit according to claim 7, which is characterized in that the partition is connect with the housing seal.
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. a kind of control method of air conditioner indoor unit described in any one of claims 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 greater 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 |
|---|---|---|---|
| CN201810486000.5A CN108895539A (en) | 2018-05-21 | 2018-05-21 | Air conditioner indoor unit and its control method |
| PCT/CN2019/083507 WO2019223475A1 (en) | 2018-05-21 | 2019-04-19 | Indoor air conditioning unit and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486000.5A CN108895539A (en) | 2018-05-21 | 2018-05-21 | Air conditioner indoor unit and its control method |
Publications (1)
| Publication Number | Publication Date |
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| CN108895539A true CN108895539A (en) | 2018-11-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810486000.5A Pending CN108895539A (en) | 2018-05-21 | 2018-05-21 | Air conditioner indoor unit and its control method |
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| CN (1) | CN108895539A (en) |
| WO (1) | WO2019223475A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019223459A1 (en) * | 2018-05-21 | 2019-11-28 | 青岛海尔空调器有限总公司 | Indoor air-conditioning unit and control method therefor |
| WO2019223460A1 (en) * | 2018-05-21 | 2019-11-28 | 青岛海尔空调器有限总公司 | Indoor air conditioning unit and control method therefor |
| WO2019223475A1 (en) * | 2018-05-21 | 2019-11-28 | 青岛海尔空调器有限总公司 | Indoor air conditioning unit and control method therefor |
| WO2020119046A1 (en) * | 2018-12-13 | 2020-06-18 | 青岛海尔空调器有限总公司 | Vertical air conditioner indoor unit |
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| WO2019223460A1 (en) * | 2018-05-21 | 2019-11-28 | 青岛海尔空调器有限总公司 | Indoor air conditioning unit and control method therefor |
| WO2019223475A1 (en) * | 2018-05-21 | 2019-11-28 | 青岛海尔空调器有限总公司 | Indoor air conditioning unit and control method therefor |
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Also Published As
| Publication number | Publication date |
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| WO2019223475A1 (en) | 2019-11-28 |
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