CN208418946U - Air conditioner indoor unit - Google Patents
Air conditioner indoor unit Download PDFInfo
- Publication number
- CN208418946U CN208418946U CN201820411500.8U CN201820411500U CN208418946U CN 208418946 U CN208418946 U CN 208418946U CN 201820411500 U CN201820411500 U CN 201820411500U CN 208418946 U CN208418946 U CN 208418946U
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- Prior art keywords
- ion wind
- exchanging segment
- indoor unit
- arc
- heat exchanging
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 96
- 239000003507 refrigerant Substances 0.000 claims description 29
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 238000004378 air conditioning Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 238000007664 blowing Methods 0.000 abstract description 6
- 150000002500 ions Chemical class 0.000 description 84
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- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The utility model relates to air conditioner indoor unit, comprising: annular casing, central collar aperture, circular air inlet grid and round wind outlet with front and back perforation；Heat exchanger has at least one arc heat exchanging segment and at least one non-heat exchanging segment, and arc heat exchanging segment and non-heat exchanging segment are alternately arranged；And at least two arc ion wind module, it is set to the inside of annular casing end to end, the quantity of ion wind module is identical as the sum of the quantity of arc heat exchanging segment and the non-heat exchanging segment, each arc heat exchanging segment and each non-heat exchanging segment ion wind module corresponding with one are corresponding, each ion wind module by independent control power supply power supply, and be configured to other ion wind modules it is mutually independently controlled promote the fraction in annular casing to flow through corresponding arc heat exchanging segment or non-heat exchanging segment after towards round wind outlet flow.The air conditioner indoor unit structural strength of the utility model is high, stability is good, security performance is high, blowing range is wide, good appearance, noise are smaller.
Description
Technical field
The utility model relates to air-conditioning techniques, more particularly to a kind of air conditioner indoor unit.
Background technique
Currently, traditional air conditioner indoor unit have it is vertical and two kinds wall-mounted.Existing wall-hanging indoor unit of air conditioner is length
Strip is exchanged heat using bendable evaporator, and is blown using cross flow fan, axial flow blower or centrifugal blower, is sent
Air port is usually strip.Existing vertical air-conditioner indoor unit is the column placed vertically, is exchanged heat using plate-type evaporator,
And blown using cross flow fan, axial flow blower or centrifugal blower, air outlet is in rectangle.These existing air conditioner indoor unit are not
It is only easy to appear apparent visual aestheticly tired, and the blowing range of air outlet is also narrow, air output is smaller.
Also, the noise that fan-type driving part generates at runtime is larger, influences the usage experience of user, especially
For the desktop air-conditioning indoor unit being placed on, because closer apart from user, this uncomfortable experience is more prominent
Out.
Utility model content
One purpose of the utility model is intended to overcome at least one defect in the prior art, provides a kind of blowing range
Extensively, air output is big, good appearance and the lesser air conditioner indoor unit of noise.
Another purpose of the utility model is to improve the convenience of ion wind generation apparatus processing installation.
Another purpose of the utility model is to avoid the supply voltage powered for it excessively high and generate security risk, allow
User carries out local blast velocity control according to demand, to improve comfortable sexual experience.
To achieve the goals above, the utility model provides a kind of air conditioner indoor unit, comprising:
Annular casing, central collar aperture with front and back perforation, positioned at rear side and along its circumferentially distributed air-inlet grille and
Positioned at its front side and along its circumferentially distributed round wind outlet；
Heat exchanger is set to the inside of the annular casing, and is used to carry out with the air-flow for flowing through it at least one
The arc heat exchanging segment of heat exchange and at least one be used for non-heat exchanging segment for directly passing through for air-flow, the arc heat exchanging segment and described
Non- heat exchanging segment is alternately arranged；And
The ion wind module of at least two arcs is set to the inside of the annular casing, end to end to form envelope
The ion wind generation apparatus of closed-loop shaped, the number of the quantity of the ion wind module and the arc heat exchanging segment and the non-heat exchanging segment
The sum of amount is identical, and each arc heat exchanging segment and each non-heat exchanging segment are corresponding with one described in the longitudinal direction
Ion wind module is corresponding, and each ion wind module is configured to and other ions by independent control power supply power supply
Wind module promotes the fraction in the annular casing to flow through the corresponding arc heat exchanging segment or institute mutually independently controlledly
It is flowed after stating non-heat exchanging segment towards the round wind outlet, to form ion wind.
Optionally, each ion wind module includes shell and at least one is set to the electric discharge of the interior of shell
Mould group, wherein
The shell includes arc-shaped outside plate and is set to the outside plate inside and arc-shaped inner panel；It is put described in each
Electric mould group includes the metal mesh arranged perpendicular to front-rear direction, the conductive bar being set on rear side of the metal mesh and is distributed in
Multiple needle electrodes on the conductive bar.
Optionally, the both ends of the outside plate of each ion wind module are equipped with the lock that protrusion is faced outwardly by its appearance
Tight column offers connecting hole in the locking post, for being fastenedly connected with the adjacent ion wind module.
Optionally, the air conditioner indoor unit further include:
Pedestal is set to the lower section of the annular casing, to be used to support the annular casing, wherein
Each power supply device for providing high pressure for each ion wind module is set in the pedestal.
Optionally, the bottom of the annular casing has the plane for being in contact with placement surface, to allow the air-conditioning
Indoor unit is directly held on the placement surface.
Optionally, the heat exchanger includes surrounding the cold of closed ring or semiclosed arc along the circumferential direction of the annular casing
Matchmaker manages and multiple heat exchange fin groups for being threaded through on the refrigerant pipe, is spaced and sets between the two neighboring heat exchange fin group
Set, each heat exchange fin group includes the heat exchange fin of multiple close arrangements so that each heat exchange fin group and
Refrigerant tube section where it is respectively formed an arc heat exchanging segment, and the section between the two neighboring arc heat exchanging segment is formed
The non-heat exchanging segment.
Optionally, the quantity of the arc heat exchanging segment and the non-heat exchanging segment is two, the number of the ion wind module
Amount is four, and each ion wind module is in the arc of quadrant；And
Ion wind module described in two of them is symmetrical arranged in the up-down direction, other two described ion wind module is in cross
It is symmetrical arranged upwards；Alternatively, four ion wind modules are symmetrical arranged two-by-two along diagonally opposing corner direction.
Optionally, the annular casing includes the back casing of the front casing body of annular, the preceding inner housing of annular and annular；
The preceding inner housing is set to the inside of the front casing body, and the shell of the preceding inner housing and the front casing body
There are gaps between body wall；And
The back casing has inside edge and outer ledge along its circumferentially extending, the rear side connection of the preceding inner housing
To the inside edge of the back casing, the outer ledge of the back casing is connected on rear side of the front casing body, thus in institute
It states to limit between back casing, the preceding inner housing and the front casing body and contains space, the heat exchanger and the ion wind
Generating device is installed in described contain in space.
Optionally, the heat exchanger is circular heat exchanger or arc heat exchanger, and the air conditioner indoor unit further includes condensed water
Collection device, the condensed water collecting device include
Upper water tray is set to the inside of the heat exchanger top half along the circumferential direction of the heat exchanger, for collecting
The condensed water that the top half of the heat exchanger generates；
Lower accepting water disk is set to the outside of the heat exchanger lower half portion, along the circumferential direction of the heat exchanger to be at least used for
Collect the condensed water that the lower half portion of the heat exchanger generates；And
Aqueduct is connected to the upper water tray and the lower accepting water disk, with the condensation for collecting the upper water tray
Water is guided to the lower accepting water disk, to be directly or indirectly emitted into outside the annular casing by the lower accepting water disk.
Optionally, the air conditioner indoor unit is desktop air-conditioning indoor unit.
The air conditioner indoor unit of the utility model has annular casing, may make entire air conditioner indoor unit in original in style ring
Shape, annular air conditioner indoor unit is beautiful unique, fresh and new, especially for the desktop air-conditioning indoor unit being placed on,
It can be used as ornament.Meanwhile air conditioner indoor unit opens up round wind outlet on front side of it, realizes 360 ° of extensive angle air-supplies, expands
Big blowing range, avoids local big gas shock, improves the comfort level experience of user.Also, the utility model benefit
A large amount of charged particles are generated under high pressure with ion wind generation apparatus, charged particle moves down the lively energy of movable property in electric field force effect,
To form ion wind, wind sense nature and mute air-supply may be implemented, reduces noise when air conditioner indoor unit operation.
Further, in order to be suitable for the air conditioner indoor unit with annular casing, and in view of the uniformity of air-supply, this reality
It is designed on the whole in a ring with the novel ion wind generation apparatus that will act as air supply module, but the annular ion wind hair of integral type
Generating apparatus is not only easy to generate slight deformation because of intensity deficiency, and requirement on machining accuracy is higher, installs relatively difficult.It is right
For ion wind generation apparatus, slight deformation this may result in the position of its metal mesh for being used to generate ion wind and spray point
It sets and changes, so that the generation to ion wind impacts.For this purpose, the ion wind generation apparatus of the utility model is designed to have
There is the multisection type of at least two arc ion wind modules, each independent machine-shaping of ion wind module, required precision is lower, and pacifies
Dress is convenient.The intensity of arcuate structure is higher than the intensity of ring structure, therefore is unlikely to deform, and ensure that air conditioner indoor unit is good
Wind pushing performance.
Further, on the one hand each ion wind module is reduced by independent control power supply power supply for being ion
Wind generation apparatus provides the voltage of each power supply device of power supply, avoids the excessively high generation security risk of supply voltage；On the other hand,
Local wind speed can be adjusted by the independent control to each ion wind module, such as adjusts the air quantity ratio of heat exchange wind and non-heat exchange wind
Example, meets the diversified demand of user.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram according to the air conditioner indoor unit of the utility model one embodiment；
Fig. 2 is the schematic structure exploded view according to the air conditioner indoor unit of the utility model one embodiment；
Fig. 3 is the schematic cross sectional views according to the air conditioner indoor unit of the utility model one embodiment；
Fig. 4 is the schematic diagram according to the ion wind module of the utility model one embodiment；
Fig. 5 is the schematic structure exploded view according to the pedestal of the utility model one embodiment；
Fig. 6 is the schematic knot after heat exchanger and the condensed water collecting device assembly according to the utility model one embodiment
Composition；
Fig. 7 is the schematic diagram according to the heat exchanger of the utility model another embodiment；
Fig. 8 is the schematic diagram according to first curve of the utility model one embodiment；
Fig. 9 is the schematic diagram according to second curve of the utility model one embodiment；
Figure 10 is the schematic structure exploded view according to the condensed water collecting device of the utility model one embodiment；
Figure 11 is the schematic cross sectional views of the upper water tray of the cutting line X-X interception in Figure 10；
Figure 12 is the lower accepting water disk of the cutting line Y-Y interception in Figure 10 and the schematic cross sectional views of drainpipe.
Specific embodiment
The utility model embodiment provides a kind of air conditioner indoor unit, and Fig. 1 is the sky according to the utility model one embodiment
The schematic diagram of indoor unit is adjusted, Fig. 2 is the schematic structure according to the air conditioner indoor unit of the utility model one embodiment
Exploded view, Fig. 3 are the schematic cross sectional views according to the air conditioner indoor unit of the utility model one embodiment.Referring to Fig. 1 to Fig. 3,
The air conditioner indoor unit 1 of the utility model includes the ion wind module 31 of annular casing 10, heat exchanger 20 and at least two arcs.
Annular casing 10 has the central collar aperture 130 of front and back perforation, and the axis of annular casing 10 extends along the longitudinal direction.Tool
Body, annular casing 10 has inner outline and outer contour, and inner outline and outer contour are on front-rear direction
Axis rotates a circle along respective predefined paths the closed ring curve being formed by with preset shape in perpendicular.Example
Such as, the outer contour of toroidal shell 10 and inner outline can annular in shape, oval ring-type, class oval ring-type, heart or other
The closed ring of shape grace.The shape of the outer contour of toroidal shell 10 can be identical with the shape of its inner outline, can also
With difference.
Annular casing 10 has positioned at rear side and along its circumferentially distributed air-inlet grille 110 and positioned at its front side and along it
Circumferentially distributed round wind outlet 120.Indoor air-flow can enter in annular casing 10 through air-inlet grille 110, annular casing 10
Interior air-flow can be sent to interior through round wind outlet 120.Multiple air inlets, multiple air inlet edges are formed on air-inlet grille 110
The circumferential direction of annular casing 10 is uniformly distributed.Air-inlet grille 110 is preferably closed annular, and annular air-inlet grille 110 is distributed in
On the entire circumferential enclosure wall of annular casing 10.In some alternate embodiments, air-inlet grille 110 may be to be distributed in ring
Semiclosed curved shape on the partial sector of the circumferential enclosure wall of shape casing 10, such as arch door shape.
The air conditioner indoor unit 1 of the utility model has annular casing 10, may make entire air conditioner indoor unit 1 in original in style
Annular, annular air conditioner indoor unit 1 is beautiful unique, fresh and new, especially for the desktop air-conditioning room being placed on
Interior machine, can be used as ornament.Meanwhile the air conditioner indoor unit of the utility model opens up round wind outlet on front side of it, realizes
360 ° of extensive angle air-supplies, expand blowing range, avoid local big gas shock, improve the comfort level experience of user.
Heat exchanger 20 is set to the inside of annular casing 10, and is used to carry out heat with the air-flow for flowing through it at least one
The arc heat exchanging segment 25 of exchange and at least one be used for non-heat exchanging segment 29 for directly passing through for air-flow, arc heat exchanging segment 25 and non-change
Hot arc 29 is alternately arranged.The air-flow for flowing through arc heat exchanging segment 25 becomes temperature higher (when air conditioner indoor unit heats) or temperature is lower
Air-flow after the heat exchange of (when air conditioner indoor unit freezes).Directly by the air-flow of non-heat exchanging segment 29 not by heat exchange, temperature phase
Difference is little, commonly referred to as natural wind.
The ion wind module 31 of at least two arcs is set to the inside of annular casing 10 end to end, to form closing
The ion wind generation apparatus 30 of annular, the quantity and the sum of arc heat exchanging segment 25 and the quantity of non-heat exchanging segment 29 of ion wind module 31
It is identical, each arc heat exchanging segment 25 and each non-heat exchanging segment 29 31 phase of ion wind module corresponding with one in the longitudinal direction
Corresponding, each ion wind module 31 is configured to other ion wind module phases independently by independent control power supply power supply
Towards annular after controllably promoting the fraction in annular casing 10 to flow through corresponding arc heat exchanging segment 25 or non-heat exchanging segment 29
Air outlet 120 flows, to form ion wind.Specifically, under high pressure, ion wind module 31 can be by the sky in annular casing 10
Pneumoelectric is to generate a large amount of charged particle, under electric field force effect, a large amount of charged particles do directed movement, to be formed
Ion wind.Since the working principle of ion wind module 31 itself is that those skilled in the art are easily obtained, here not
It repeats again.The utility model generates a large amount of charged particles using ion wind generation apparatus 30 under high pressure, and charged particle is in electric field
Power effect moves down movable property it is lively can, to form ion wind, wind sense nature and mute air-supply may be implemented, reduces in air conditioning chamber
Noise when machine 1 is run.
The ion wind generation apparatus 30 of the utility model is designed to the multistage at least two arc ion wind modules 31
Formula, each ion wind module 31 can independent machine-shaping, required precision is lower, and easy for installation.The intensity of arcuate structure wants high
It in the intensity of ring structure, therefore is unlikely to deform, ensure that the good wind pushing performance of air conditioner indoor unit 1.
Further, each ion wind module 31 is by independent control power supply power supply, on the one hand reduce for for from
Sub- wind generation apparatus 30 provides the voltage of each power supply device 90 of power supply, avoids the excessively high generation security risk of supply voltage；Separately
On the one hand, local wind speed can be adjusted by the independent control to each ion wind module 31, such as adjusts heat exchange wind and non-heat exchange
The air quantity ratio of wind, meets the diversified demand of user.
The center of annular casing 10 defines the central collar aperture 130 of vacant and front and back perforation, when ion wind generation apparatus 30
Negative pressure is formed in central collar aperture 130 when driving air-supply, so that the indoor natural wind without heat exchange is through central collar aperture 130
From back to front jet stream and go out and the air-flow after the heat exchange sent out through round wind outlet 120 mixes.That is, annular machine
Center collar aperture 130 among shell 10 does not place any portion through annular casing 10, and in central collar aperture 130 along the longitudinal direction
Part.Under the driving of ion wind generation apparatus 30, the air-flow after heat exchange is sent out from round wind outlet 120, at this point, round wind outlet
Negative pressure can be all formed in 120 outer periphery and central collar aperture 130, the natural wind at 1 rear of air conditioner indoor unit passes through central collar aperture 130
This negative pressuren zone from back to front jet stream and go out, and the air-flow after the heat exchange sent out through round wind outlet 120 mixes.Work as mixing
It when air-flow blows to human body, can achieve cool without cold, the warm effect without heat, improve the mildness of the air-supply of air conditioner indoor unit 1
And comfort.
As it can be seen that the opening of central 130 rear side of collar aperture forms non-heat exchange wind (i.e. natural wind) import, central collar aperture 130
The opening of front side forms non-heat exchange wind outlet, and round wind outlet 120 is looped around around non-heat exchange wind outlet, in order to
Air-flow after the heat exchange sent out through round wind outlet 120 is equably mixed with the natural wind sent out through the outlet of non-heat exchange wind, into
One step improves the comfortable sexual experience of user.
Fig. 4 is the schematic diagram according to the ion wind module of the utility model one embodiment.In the utility model
Some embodiments in, each ion wind module 31 include shell and at least one be set to the electric discharge mould of the interior of shell
Group.Shell includes arc-shaped outside plate 311 and is set to 311 inside of outside plate and arc-shaped inner panel 312；Each electric discharge mould group is equal
Including arranged perpendicular to front-rear direction metal mesh 315, be set to the conductive bar 316 of the rear side of metal mesh 315 and be distributed in and lead
Multiple needle electrodes 317 on electric item 316.Specifically, inner panel 312 and outside plate 311 are spaced setting from inside to outside, limit therebetween
For arranging the arc space of electric discharge mould group.Metal mesh 315 has multiple mesh, and the discharge tip of each needle electrode 317 refers to
To 315 corresponding mesh of metal mesh.
Further, the both ends of the outside plate 311 of each ion wind module 31 are equipped with the lock that protrusion is faced outwardly by its appearance
Tight column 313 offers connecting hole 314 in locking post 313, for being fastenedly connected with adjacent ion wind module 31.Specifically,
313 position of locking post of two neighboring ion wind module 31 is corresponding, and connector may pass through the connecting hole in corresponding locking post 313
314, to realize being fastenedly connected between two ion wind modules 31.Spelling can be also respectively equipped on the end face at 311 both ends of outside plate
Access slot and splicing protrusion, splicing slot are used to be inserted for the splicing protrusion of plate end face outside adjacent ions wind module, splicing protrusion
For being inserted into the splicing slot of plate end face outside adjacent ions wind module.Splicing slot can also be respectively equipped on the end face at 312 both ends of inner panel
With splicing protrusion, splicing slot is used to be inserted for the splicing protrusion of plate end face in adjacent ions wind module, and splicing protrusion is used for
It is inserted into the splicing slot of plate end face in adjacent ions wind module.As a result, the inner panel Yu inner panel of each adjacent two ion wind module 31 it
Between and outside plate and outside plate between by splicing slot and splicing protrusion pre-determined bit, then by being threaded through locking post 313
Connector (such as screw) in connecting hole 314 is fixedly connected, and stable structure is reliable.
Ion wind module 31 may include the multiple electric discharge mould groups being arranged in series, to improve the speed of ion wind generation.It is i.e. more
A electric discharge mould group is arranged successively in the longitudinal direction, to carry out multistage acceleration to polyion wind.In the embodiment shown in fig. 4, often
The electric discharge mould group that a ion wind module 31 is arranged in series be two, that is, be sent to air outlet air-flow be after two-stage accelerates from
Sub- wind.
In some embodiments of the utility model, air conditioner indoor unit 1 further includes pedestal 70, is set to annular casing 10
Lower section increases the contact area between indoor unit and desktop, improves the steady of complete machine structure to be used to support annular casing 10
It is qualitative.Each power supply device 90 for providing high pressure for each ion wind module 31 is set in pedestal 70.Using power supply
The weight of device 90 reduces the position of centre of gravity of complete machine, to further ensure that complete machine structure stability.It can avoid indoor unit fortune as a result,
Occurs the phenomenon that toppling over or rocking when row.In addition, power supply device 90 is as in the pedestal of relative closure, avoidable user gets an electric shock,
It is more safe and reliable.
Further, the bottom of annular casing 10 and the top of pedestal 70 all have plane, annular 10 bottom of casing
Plane and the plane at 70 top of pedestal abut against, to ensure that annular casing 10 can be stably supported.Annular casing 10 and bottom
Mating surface between seat 70 may be the curved surfaces such as convex surface, concave surface.Further, can lead between pedestal 70 and annular casing 10
Screw connection, clamping or other suitable modes are crossed to link together.
Fig. 5 is the schematic structure exploded view according to the pedestal of the utility model one embodiment.Pedestal 70 includes being used for
The chassis 72 being held on placement surface and the upper casing 73 being located on chassis 72, to form relative closure inside pedestal 70
Hollow structure.Chassis 72 is equipped with the positioning column 721 for being limited to power supply device 90 and for protecting power supply device 90
Hold the buckle 722 on chassis 72.Power supply device 90 is fixed in pedestal 70 by positioning column 721 and buckle 722, fixed
And it is easy to disassemble.The through-hole for passing through for electric connection line is offered on upper casing 73, in order to which power supply device 90 and ion wind are sent out
Generating apparatus 30 is electrically connected.
In other embodiments of the utility model, the bottom of annular casing 10 has for being in contact with placement surface
Plane, to allow air conditioner indoor unit 1 to be directly held on placement surface.That is, air conditioner indoor unit 1 can also not have pedestal,
Annular casing 10 can be directly held on the placement surfaces such as ground.At this point, for providing the electricity of high pressure for each ion wind module 31
Source device 90 is set to the bottom of annular casing 10, to reduce the center of gravity of air conditioner indoor unit 1, improves its stability.
Fig. 6 is the schematic knot after heat exchanger and the condensed water collecting device assembly according to the utility model one embodiment
Composition, Fig. 7 are the schematic diagrams according to the heat exchanger of the utility model another embodiment.In some of the utility model
In embodiment, heat exchanger 20 include along annular casing 10 circumferential direction surround closed ring or semiclosed arc refrigerant pipe 21 and
The multiple heat exchange fin groups being threaded through on refrigerant pipe 21 are spaced setting, each heat exchange fin between two neighboring heat exchange fin group
Group includes the heat exchange fin 22 of multiple close arrangements, so that each heat exchange fin group and the equal shape of refrigerant tube section where it
At an arc heat exchanging segment 25, the section between two neighboring arc heat exchanging segment 25 forms non-heat exchanging segment 29.It should be noted that non-
Heat exchanging segment 29 not only includes the section with refrigerant pipe 21 between two neighboring arc heat exchanging segment 25, but also including adjacent two
The section without refrigerant pipe 21 between a arc heat exchanging segment 25 also forms one at 20 bottom notch of heat exchanger in i.e. Fig. 4
Non- heat exchanging segment 29.
The contour line of refrigerant pipe is also illustrated in Fig. 6 and Fig. 7.In some embodiments of the utility model, referring to figure
6, the contour line of refrigerant pipe 21 is in the first arc curve N, and refrigerant pipe 21 is by its refrigerant inlet end 211 along first arc curve
The circumferential reciprocation extension of N is to its refrigerant exit end 212.Each heat exchange fin 22 is the sheet radially extended along heat exchanger 20
Fin.It should be noted that the contour line of the so-called refrigerant pipe 21 of the utility model means what 21 entirety of refrigerant pipe was showed
General shape.That is, heat exchanger 20 is using multiple circles refrigerant pipe, every circle is substantially along above-mentioned first arc curve N
Extend, and every circle all has notch.Every circle refrigerant pipe runs through all heat exchange fins 22, each heat exchange fin 22 quilt simultaneously
The refrigerant pipe of all circles runs through.At this point, the arc that the whole shape in annular casing 10 of heat exchanger 20 matches, is changed for arc
Hot device.For example, heat exchanger 20 can be arc-shaped heat exchanger when annular casing 10 is in circular ring shape；When annular casing 10 is in ellipse
When round, heat exchanger 20 can be ellipse arc heat exchanger.Since the axis of annular casing 10 extends along the longitudinal direction,
The axis of heat exchanger 20 also extends along the longitudinal direction, and heat exchanger 20 also has inner outline and outer contour, heat exchanger 20
Inner outline and outer contour are semi-enclosed arc curve in perpendicular.
In other embodiments of the utility model, referring to Fig. 7, the contour line of refrigerant pipe 21 curve M in a ring, refrigerant
Pipe 21 extends to its refrigerant exit end 212 along loop curve M convolution by its refrigerant inlet end 211.Each heat exchange fin 22
It is the plate fins radially extended along heat exchanger 20.That is, heat exchanger 20 is using multiple circles refrigerant pipe, every circle
Substantially extend along above-mentioned loop curve M.At this point, the annular that the whole shape in annular casing 10 of heat exchanger 20 matches,
For circular heat exchanger.For example, heat exchanger 20 can be round heat exchanger when annular casing 10 is in circular ring shape；When annular casing
10 it is oval when, heat exchanger 20 can be oval ring heat exchanger.Since the axis of annular casing 10 extends along the longitudinal direction,
Therefore, the axis of heat exchanger 20 also extends along the longitudinal direction, and heat exchanger 20 also has inner outline and outer contour, heat exchanger
20 inner outline and outer contour is the closed ring curve in perpendicular.
In the other embodiment of the utility model, refrigerant pipe 21 can also be by its refrigerant inlet end 211 along above-mentioned first
Arc curve or above-mentioned loop curve extend to its refrigerant exit end 212 with S-shaped track detour.At this point, each heat exchange fin 22
It is the curved fins concentric with heat exchanger 20.I.e. each heat exchange fin 22 is bent perpendicular to above-mentioned first arc curve or annular
Projection in the basic plane of the central axis of line is the arc coaxial with above-mentioned first arc curve or loop curve, same
Projection of the multiple heat exchange fins 22 of a arc heat exchanging segment 25 in the basic plane is bent along above-mentioned first arc curve or annular
The radial direction of line is arranged successively from inside to outside.That is, refrigerant pipe of the heat exchanger 20 using snakelike bending.
In figure 6 and figure 7, the quantity of arc heat exchanging segment 25 and non-heat exchanging segment 29 is three.In these embodiments, from
The quantity of sub- wind module 31 is six, i.e. six ion wind modules 31, which join end to end, surrounds the ion wind generation apparatus 30 of annular.
In other embodiments of the utility model, the quantity of arc heat exchanging segment 25 and non-heat exchanging segment 29 can also be two
A, the quantity of ion wind module 31 is four, and each ion wind module 31 is in the arc of quadrant.Two of them ion
Wind module 31 is symmetrical arranged in the up-down direction, other two ion wind module 31 is horizontally symmetrical arranged, at this time four from
Sub- wind module is arranged in "+" shape；Alternatively, four ion wind modules 31 are symmetrical arranged two-by-two along diagonally opposing corner direction, at this time four from
Sub- wind module is arranged in "×" shape.
In some embodiments of the utility model, annular casing 10 include annular front casing body 141, annular it is preceding in
The back casing 143 of shell 142 and annular.It is understood that the axis of back casing 143, preceding inner housing 142 and front casing body 141
Line extends along the longitudinal direction.Preceding inner housing 142 is set to the inside of front casing body 141, and preceding inner housing 142 and front casing body
There are gaps between 141 housing wall.Back casing 143 has inner side edge edge 1432 and side edge section along its circumferentially extending
1433.It is emphasized that " inside " here means along the side radially adjacent to its center of back casing 143, correspondingly, this
In " outside " mean along the side radially away from its center of back casing 143.The rear side of preceding inner housing 142 is connected to back casing
143 inner side edge edge 1432, the rear side of front casing body 141 is connected to the side edge section 1433 of back casing 143, thus rear
It is limited between shell 143, preceding inner housing 142 and front casing body 141 and contains space, heat exchanger 20 and ion wind generation apparatus 30
It is installed in and contains in space.Specifically, between preceding inner housing 142 and back casing 143 and front casing body 141 and back casing
It can be connected by clamping, screw connection or other suitable modes between 143.Further, preceding inner housing 142 and back casing
Be respectively formed between 143 cooperation interface and between front casing body 141 and the cooperation interface of back casing 143 it is gas-tight seal, to prevent
Only the air-flow in annular casing 10 is by leaking to indoor environment at the other positions in addition to round wind outlet 120.For example, can
With between the cooperation interface of preceding inner housing 142 and back casing 143 and the cooperation interface of front casing body 141 and back casing 143
Between sealing ring is set.
Further, preceding inner housing 142 and front casing body 141 all have respectively along the front side edge of its respective circumferentially extending
Edge, before round wind outlet 120 is formed between inner housing 142 and the forward edge of front casing body 141.The formation of air-inlet grille 110
On back casing 143.
Further, the housing wall of back casing 143 from its inside edge backwards projectedly along back casing 143 it is radial to
Its outer ledge is extended to outside.That is, 143 general toroidal tubulose of back casing, the annular tube shaped front side are offered along it
The annular opening of circumferentially extending, the outer ledge of the annular opening form the outer ledge of back casing 143, the annular opening
Inside edge forms the inside edge of back casing 143.Air-inlet grille 110 is provided with the convex backward of the housing wall of back casing 143
Out in farthest region.
The utility model further limits into annular casing 10 including front casing body 141, preceding inner housing in a ring
142 and 143 three parts of back casing, and by location layout between front casing body 141, preceding inner housing 142 and back casing 143 and
Connection relationship limits round wind outlet 120 and matches with circular heat exchanger 20 and 30 shape of ion wind generation apparatus
Annular contains space, and structure and assembly are all very simple, simplifies infrastructure cost and cost of labor.
Specifically, the forward edge of preceding inner housing 142 and front casing body 141 can be rounded, and preceding inner housing 142
The center of circle of circle where forward edge can be overlapped with the center of circle of circle where the forward edge of front casing body 141, so that annular goes out
The width of each section in air port 120 radially is all the same.Before the radius of circle is less than where the forward edge of preceding inner housing 142
The radius of circle where the forward edge of outer housing 141.
In some embodiments of the utility model, preceding inner housing 142 extends from the front to the back along the first curve 150.Fig. 8 is
According to the schematic diagram of first curve of the utility model one embodiment.First curve 150 include from the front to the back according to
Secondary setting and glossily connected the first section 151 and the second section 152, the first section 151 and the second section 152 are along Fig. 8
Dotted line separate.First section 151 is circle arc curve, and the center of circle of circle is in the first section 151 where the first section 151
Outside.It that is to say, the first section 151 is the circle arc curve of the inside protrusion of inner housing 142 forward, on the one hand, is capable of increasing
The size in space is contained in toroidal shell 10, consequently facilitating installation heat exchanger 20 and ion wind generation apparatus 30, on the other hand, also
It may make central collar aperture 130 flaring from the front to the back, i.e., the section of going out is cut perpendicular to plane in the front-back direction in the edge of central collar aperture 130
Area is gradually increased from the front to the back, so that air-flow is sent out after flowing through central collar aperture 130 in diffusion type, to promote through center
Mixing between the non-heat exchange air-flow of the submitting of collar aperture 130 and the heat exchange air-flow sent out through round wind outlet 120, improves mixing effect
Fruit, and further expand blowing range.
Further, the second section 152 can be straight line；Second section 152 or circle arc curve, the second section
The center of circle of circle where 152 is in the inside of the second section 152, i.e. the second section 152 is that the external of inner housing 142 forward is protruded
Circle arc curve.
In some embodiments of the utility model, front casing body 141 extends from the front to the back along the second curve 160.Fig. 9 is
According to the schematic diagram of second curve of the utility model one embodiment.Second curve 160 include from the front to the back according to
Secondary setting and glossily connected third section 161 and the 4th section 162, third section 161 and the 4th section 162 are along Fig. 9
Dotted line separate.Third section 161 is circle arc curve, and the center of circle of circle is in third section 161 where third section 161
Inside.It that is to say, third section 161 is the external circle arc curve protruded of outer housing 141 forward, thus with preceding inner housing
142 the first section 151 matches, and further increases the size that space is contained in toroidal shell 10, and also improve annular
The good appearance effect of shell 10.
Further, the 4th section 162 can be straight line；4th section 162 or circle arc curve, the 4th section
The center of circle of circle where 162 is in the outside of the 4th section 162, i.e. the 4th section 162 is the inside protrusion of outer housing 142 forward
Circle arc curve.The 4th section 162 can be with the second section 152 of preceding inner housing 142 cooperatively in round wind outlet as a result,
120 inside forms the necking part of a sectional area rapid drop, in order to improve the wind velocity out of round wind outlet 120.
In some embodiments of the utility model, air conditioner indoor unit 1 further includes annular purge module 40, annular purge mould
Block 40 is set in the air current flow direction in annular casing 10, for removing to the air-flow for flowing to round wind outlet 120
The purification runs such as dirt, sterilization.
Further, heat exchanger 20, ion wind generation apparatus 30 and annular purge module 40 in annular casing 10 from
It sets gradually forward afterwards.It may additionally be generated while ion wind generation apparatus 30 generates ion wind under high pressure as a result,
The pernicious gases such as ozone can be absorbed or be adsorbed by annular purge module 40 before being sent into interior, strengthen clean-up effect.
In some alternate embodiments, heat exchanger 20, ion wind generation apparatus 30 and annular purge module 40 are in ring
There can also be other distributing orders in shape casing 10.For example, heat exchanger 20 can be set in ion wind generation apparatus 30 and ring
Between shape cleaning module 40.
Since the casing of the air conditioner indoor unit 1 of the utility model uses the annular of original creation, in order to improve heat exchange effect
Rate simplifies structure, and the utility model is also changed using the circular heat exchanger or arc of circumferentially extending or distribution along annular casing 10
Hot device.However, at runtime, condensed water can be all generated on each section of heat exchanger 20, condensed water can be made in its own gravity
It is dripped down under.Therefore, condensation water collection be can not ignore, meanwhile, for the casing of this kind of shape and heat exchanger,
The collection of condensed water is also one of difficult point and emphasis of design.The utility model is in the casing and heat exchanger for devising special shape
On the basis of 20, condensed water collecting device 80 is further devised, can collect and generate on each section of heat exchanger 20
Condensed water, and it is emitted into the outside of annular casing 10, so that condensing drip be avoided to drop down onto 20 compresses lower section of heat exchanger or other portions
On part or it is trapped in bottom of shell and brings security risk.
Figure 10 is the schematic structure exploded view according to the condensed water collecting device of the utility model one embodiment.At this
In some embodiments of utility model, condensed water collecting device 80 includes upper water tray 81, lower accepting water disk 82 and aqueduct 83.
Upper water tray 81 is set to the inside of 20 top half of heat exchanger along the circumferential direction of heat exchanger 20, for collecting heat exchanger 20
The condensed water that half part generates.Lower accepting water disk 82 is set to the outside of 20 lower half portion of heat exchanger along the circumferential direction of heat exchanger 20, with
The condensed water at least generated for collecting the lower half portion of heat exchanger 20.Aqueduct 83 be connected to the upper water tray and it is described under connect
Water pond, with the condensate water guide for collecting upper water tray 81 to lower accepting water disk 82, thus by lower accepting water disk 82 directly or
It is emitted into the outside of annular casing 10 indirectly.
It should be noted that the top half of heat exchanger 20 and the division surface of lower half portion are by the several of annular casing 10
What center and horizontally extending plane.Mean it close to annular casing 10 on the inside of a certain component (such as heat exchanger 20)
The side of geometric center correspondingly means it far from 10 geometry of annular casing on the outside of a certain component (such as heat exchanger 20)
The side of the heart.
The condensed water that 20 top half of heat exchanger generates as a result, is dropped under its own gravity positioned at heat exchanger 20
In the upper water tray 81 of inside, the condensed water that 20 lower half portion of heat exchanger generates is dropped to be located under its own gravity and be changed
On the lower accepting water disk 82 in hot 20 outside of device, the condensed water collected in upper water tray 81 is guided to lower accepting water disk by aqueduct 83
82, so that annular casing 10 be discharged, avoid the generation of 20 top half of heat exchanger condensing drip drop down onto its lower half portion or its
His component is trapped in the bottom of annular casing 10 and brings security risk.
In some embodiments of the utility model, condensed water collecting device 80 further includes drainpipe 84, is connect under connection
The exterior space of water pond 82 and annular casing 10, outside the condensed water elimination on lower accepting water disk 82 to annular casing 10.
Specifically, the bottom of lower accepting water disk 82 has the discharge outlet 821 for its interior condensed water to be discharged, drainpipe 84 and row
The mouth of a river 821 is connected, and bends and extend to outside annular casing 10 backwards in the lower section of lower accepting water disk 82.Drainpipe 84 can as a result,
It is hidden in the rear side of annular casing 10, in favor of improving the good appearance of air conditioner indoor unit 1.
In some embodiments of the utility model, the end of upper water tray 81 has the catchment tray 811 in outside, with
The condensed water for allowing upper water tray 81 to accept collects in catchment tray 811 along its outer surface 81a.On the bottom wall of catchment tray 811
Through-hole 812 is offered, the upper end of aqueduct 83 is connected to through-hole 812, to allow the condensed water in catchment tray 811 to pass through through-hole
812 flow into aqueduct 83, to flow to lower accepting water disk 82 by aqueduct 83.
Further, aqueduct 83 is bendingly extended downward into the rear side of heat exchanger 20 by the upper end backward, and is being exchanged heat
The rear vertical of device 20 or the inner surface 82a for obliquely extending downward into lower accepting water disk 82, to be hidden in the rear side of heat exchanger 20,
In favor of improving the good appearance of air conditioner indoor unit 1.
In some embodiments of the utility model, the quantity of aqueduct 83 can be two, two of upper water tray 81
End passes through two aqueducts 83 respectively and is connected to lower accepting water disk 82.Each end of upper water tray 81 is equipped with a catchment tray
811。
Figure 11 is the schematic cross sectional views of the upper water tray of the cutting line X-X interception in Figure 10.In the utility model
In some embodiments, any section radially intercepted of upper water tray 81 is in the arc curve convexly curved towards its inside
S.That is, upper water tray 81 extends along the arc curve S protruded towards its inside in front-rear direction.In other words, upper accepting water
Disk 81 is the curved surface being recessed to the geometric center of upper water tray 81 for accepting the outer surface of condensed water, is thus both convenient for collecting
Condensed water, and the interference in structure will not be caused with preceding inner housing 142.
Further, above-mentioned arc curve S can be circle arc curve, and diameter of a circle where the circle arc curve can be
Any value of the range between 30~45mm, such as 30mm, 33mm, 36mm, 39mm, 42mm or 45mm.
Figure 12 is the lower accepting water disk of the cutting line Y-Y interception in Figure 10 and the schematic cross sectional views of drainpipe.In this reality
With in novel some embodiments, any section radially intercepted of lower accepting water disk 82 is in convexly curved towards its outside
Curve, the curve include intermediate circular arc shaped sectors 822 and are symmetrically connected between two of 822 front and rear sides of circular arc shaped sectors
Inclined linear section 823.Lower accepting water disk 82 with angled straight lines section is compared to section in the water receiving of a circle arc curve
For disk, tilt angle and slope are all bigger, and faster, therefore condensed water can quickly collect simultaneously the flow velocity of condensed water on it
Discharge.Since lower accepting water disk 82 is in the outside of heat exchanger 20, do not have to consider that the constructive interference of itself and preceding inner housing 142 is asked
Topic.
Further, the ratio between 822 place diameter of a circle of the length of each linear section 823 and intermediate circular arc shaped sectors
Value is any ratio of the range between 1:1~1:2, such as 1:1,1:1.3,1:1.5,1:1.7,1:1.9 or 1:2, with more
Conducive to collecting for condensed water.
It, can be as it can be seen that the utility model is particularly designed by the shape to upper water tray 81 and lower accepting water disk 82
It avoids improving condensed water as much as possible in the gathering speed of upper water tray 81 and lower accepting water disk 82 under the premise of generating constructive interference
And flowing velocity, to improve collection and the discharge efficiency of condensed water.
In some embodiments of the utility model, the quantity of aqueduct 83 can be two, two of upper water tray 81
End passes through two aqueducts 83 respectively and is connected to lower accepting water disk 82.Each end of upper water tray 81 is equipped with a catchment tray
811。
In some embodiments of the utility model, air conditioner indoor unit 1 is desktop air-conditioning indoor unit.When air conditioner indoor unit 1
When for desktop air-conditioning indoor unit, the height where round wind outlet 120 and central collar aperture 130 is just in human height
Portion, therefore, when overcoming traditional air conditioner heating thermal current float, refrigeration when cold airflow sink to cause heating and cooling time long
Defect.
It will be understood by those skilled in the art that unless otherwise specified, it is so-called in the utility model embodiment
"inner", "outside", " cross ", "front", "rear" etc. are for indicating that the term of orientation or positional relationship is actually made with air conditioner indoor unit 1
For on the basis of state, these terms are merely for convenience of describing and understanding the technical solution of the utility model, rather than
The device or component of indication or suggestion meaning must have a particular orientation, therefore should not be understood as the limit to the utility model
System.
So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein
A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this is practical new
The range of type is understood that and regards as to cover all such other variations or modifications.
Claims (10)
1. a kind of air conditioner indoor unit characterized by comprising
Annular casing, central collar aperture with front and back perforation and positioned at rear side and along its circumferentially distributed air-inlet grille are located at
On front side of it and along its circumferentially distributed round wind outlet；
Heat exchanger is set to the inside of the annular casing, and is used to carry out hot friendship with the air-flow for flowing through it at least one
The arc heat exchanging segment that changes and at least one non-heat exchanging segment for being used to directly pass through for air-flow, the arc heat exchanging segment and described non-are changed
Hot arc is alternately arranged；And
The ion wind module of at least two arcs is set to the inside of the annular casing, end to end to form closed-loop
The quantity of the ion wind generation apparatus of shape, the quantity of the ion wind module and the arc heat exchanging segment and the non-heat exchanging segment it
With identical, each arc heat exchanging segment and each non-heat exchanging segment ion corresponding with one in the longitudinal direction
Wind module is corresponding, and each ion wind module is configured to and other ion wind moulds by independent control power supply power supply
Block promotes the fraction in the annular casing to flow through the corresponding arc heat exchanging segment or described non-mutually independently controlledly
It is flowed after heat exchanging segment towards the round wind outlet, to form ion wind.
2. air conditioner indoor unit according to claim 1, which is characterized in that
Each ion wind module includes shell and at least one is set to the electric discharge mould group of the interior of shell, wherein
The shell includes arc-shaped outside plate and is set to the outside plate inside and arc-shaped inner panel；Each electric discharge mould
Group includes the metal mesh arranged perpendicular to front-rear direction, the conductive bar being set on rear side of the metal mesh and is distributed in described
Multiple needle electrodes on conductive bar.
3. air conditioner indoor unit according to claim 2, which is characterized in that
The both ends of the outside plate of each ion wind module are equipped with the locking post that protrusion is faced outwardly by its appearance, the lock
Connecting hole is offered on tight column, for being fastenedly connected with the adjacent ion wind module.
4. air conditioner indoor unit according to claim 1, which is characterized in that further include:
Pedestal is set to the lower section of the annular casing, to be used to support the annular casing, wherein
Each power supply device for providing high pressure for each ion wind module is set in the pedestal.
5. air conditioner indoor unit according to claim 1, which is characterized in that
The bottom of the annular casing has the plane for being in contact with placement surface, to allow the air conditioner indoor unit directly to put
It is placed on the placement surface.
6. air conditioner indoor unit according to claim 1, which is characterized in that
The heat exchanger includes surrounding the refrigerant pipe of closed ring or semiclosed arc along the circumferential direction of the annular casing and wearing
The multiple heat exchange fin groups being located on the refrigerant pipe are spaced setting between the two neighboring heat exchange fin group, each described
Heat exchange fin group includes the heat exchange fin of multiple close arrangements, so that each heat exchange fin group and the refrigerant where it
Tube section is respectively formed an arc heat exchanging segment, and the section between the two neighboring arc heat exchanging segment forms the non-heat exchange
Section.
7. air conditioner indoor unit according to claim 1, which is characterized in that
The quantity of the arc heat exchanging segment and the non-heat exchanging segment is two, and the quantity of the ion wind module is four, often
A ion wind module is in the arc of quadrant；And
Ion wind module described in two of them is symmetrical arranged in the up-down direction, other two described ion wind module is horizontally
It is symmetrical arranged；Alternatively, four ion wind modules are symmetrical arranged two-by-two along diagonally opposing corner direction.
8. air conditioner indoor unit according to claim 1, which is characterized in that
The annular casing includes the back casing of the front casing body of annular, the preceding inner housing of annular and annular；
The preceding inner housing is set to the inside of the front casing body, and the housing wall of the preceding inner housing and the front casing body
Between there are gaps；And
The back casing has inside edge and outer ledge along its circumferentially extending, is connected to institute on rear side of the preceding inner housing
The inside edge of back casing is stated, the outer ledge of the back casing is connected on rear side of the front casing body, thus after described
It is limited between shell, the preceding inner housing and the front casing body and contains space, the heat exchanger and the ion wind occur
Device is installed in described contain in space.
9. air conditioner indoor unit according to claim 1, which is characterized in that the heat exchanger is that circular heat exchanger or arc change
Hot device, the air conditioner indoor unit further include condensed water collecting device, and the condensed water collecting device includes
Upper water tray is set to the inside of the heat exchanger top half along the circumferential direction of the heat exchanger, with described for collecting
The condensed water that the top half of heat exchanger generates；
Lower accepting water disk is set to the outside of the heat exchanger lower half portion along the circumferential direction of the heat exchanger, at least for collecting
The condensed water that the lower half portion of the heat exchanger generates；And
Aqueduct is connected to the upper water tray and the lower accepting water disk, is led with the condensed water for collecting the upper water tray
It is flow to the lower accepting water disk, to directly or indirectly be emitted into outside the annular casing by the lower accepting water disk.
10. air conditioner indoor unit according to claim 1, which is characterized in that
The air conditioner indoor unit is desktop air-conditioning indoor unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411500.8U CN208418946U (en) | 2018-03-26 | 2018-03-26 | Air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411500.8U CN208418946U (en) | 2018-03-26 | 2018-03-26 | Air conditioner indoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208418946U true CN208418946U (en) | 2019-01-22 |
Family
ID=65117573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820411500.8U Withdrawn - After Issue CN208418946U (en) | 2018-03-26 | 2018-03-26 | Air conditioner indoor unit |
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| Country | Link |
|---|---|
| CN (1) | CN208418946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426306A (en) * | 2018-03-26 | 2018-08-21 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit |
-
2018
- 2018-03-26 CN CN201820411500.8U patent/CN208418946U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426306A (en) * | 2018-03-26 | 2018-08-21 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit |
| CN108426306B (en) * | 2018-03-26 | 2024-07-26 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
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