CN110701680A - Indoor unit of air conditioner - Google Patents

Indoor unit of air conditioner Download PDF

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Publication number
CN110701680A
CN110701680A CN201911088276.9A CN201911088276A CN110701680A CN 110701680 A CN110701680 A CN 110701680A CN 201911088276 A CN201911088276 A CN 201911088276A CN 110701680 A CN110701680 A CN 110701680A
Authority
CN
China
Prior art keywords
air outlet
outlet duct
volute
panel
butt joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911088276.9A
Other languages
Chinese (zh)
Other versions
CN110701680B (en
Inventor
王昌鹏
张江
李小宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Shandong Air Conditioning Co Ltd
Original Assignee
Hisense Shandong Air Conditioning Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hisense Shandong Air Conditioning Co Ltd filed Critical Hisense Shandong Air Conditioning Co Ltd
Priority to CN201911088276.9A priority Critical patent/CN110701680B/en
Publication of CN110701680A publication Critical patent/CN110701680A/en
Application granted granted Critical
Publication of CN110701680B publication Critical patent/CN110701680B/en
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Classifications

    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
    • 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
    • F24F13/20—Casings or covers
    • 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
    • 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)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

The invention provides an indoor unit of an air conditioner, which comprises a shell and a front panel, wherein an air outlet is formed in the front panel; the volute is arranged in the machine shell and is provided with a volute air outlet channel; a panel base on which a front panel is mounted; the panel base is provided with a panel base air outlet duct; one end of the panel seat air outlet duct corresponds to the air outlet on the front panel, and the other end of the panel seat air outlet duct is communicated with the volute air outlet duct; and the volute and the panel seat are matched to form an inverse air groove at the joint of the volute air outlet duct and the panel seat air outlet duct, and the inverse air groove extends from the joint of the volute air outlet duct and the panel seat air outlet duct to the outer side of the panel seat air outlet duct and forms an obtuse angle with the duct wall of the panel seat air outlet duct. The air conditioner indoor unit of the invention standardizes the butt joint of the volute air outlet duct and the panel seat air outlet duct, the volute and the panel seat are matched to form the counter-wind groove, and the counter-wind groove can effectively prevent return air so as to reduce the loss of air quantity and reduce noise.

Description

Indoor unit of air conditioner
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an indoor unit of an air conditioner.
Background
At present, most indoor cabinet machines adopt cross-flow fan blades and air channels, when the indoor cabinet machines rotate at high speed, large pneumatic noise is generated due to reasons of airflow disorder on the surfaces of the fan blades, vortex separation at the tail edges of the fan blades and the like, airflow axially moves and interferes with each other, and the pneumatic performance of the fan blades is influenced; meanwhile, the through-flow air duct is long, and the air conditioner air duct is formed by splicing multiple parts, so that gaps are easily formed at the splicing position, air leakage at the butt joint position of the air duct is easily caused, and the indoor air output is reduced; causing noise to be generated at the butt joint; the overall performance of the air conditioner is reduced, and the experience of a user is reduced.
The invention is provided in view of the above.
Disclosure of Invention
The invention provides an air conditioner indoor unit aiming at the technical problems.
In order to achieve the purpose, the invention adopts the technical scheme that:
an air-conditioning indoor unit, which comprises
A housing; the front panel is arranged in front of the shell and is provided with an air outlet;
the volute is arranged in the machine shell and is provided with a volute air outlet channel;
a panel base on which a front panel is mounted; the panel base is provided with a panel base air outlet duct;
one end of the panel seat air outlet duct corresponds to the air outlet on the front panel, and the other end of the panel seat air outlet duct is communicated with the volute air outlet duct;
and the volute and the panel seat are matched to form an inverse air groove at the joint of the volute air outlet duct and the panel seat air outlet duct, and the inverse air groove extends from the joint of the volute air outlet duct and the panel seat air outlet duct to the outer side of the panel seat air outlet duct and forms an obtuse angle with the duct wall of the panel seat air outlet duct.
Preferably, the end part of the panel seat, which is butted with the volute, is marked as a panel seat butting end; the surface of the butt joint end of the panel base, which is close to the air outlet duct of the panel base, is marked as a butt joint seat surface; the upwind groove comprises a first inclined surface; the first inclined surface is connected with the butt joint seat surface and is positioned on one side, far away from the air outlet duct of the panel seat, of the butt joint seat surface; the included angle alpha between the first inclined surface and the butt joint seat surface is an obtuse angle.
Preferably, the end part of the volute, butted with the panel seat, is marked as a volute butting end; the surface of the volute abutting end close to the volute air outlet duct is marked as an abutting shell surface; the air return groove comprises a second inclined surface corresponding to the first inclined surface, and the second inclined surface is positioned on one side, far away from the volute air outlet duct, of the butt joint shell surface; and the included angle beta between the second inclined surface and the butt joint shell surface is an acute angle.
Preferably, the upwind groove comprises a first end surface; the first end surface is arranged at the end part of the joint end of the volute and is positioned at one side of the joint shell surface, which is far away from the air outlet duct of the volute; the first end face is connected with the butt joint shell face and the second inclined face.
Preferably, the first end face is perpendicular to the abutting shell face.
Preferably, the included angle γ between the first end face and the butt joint shell face is an acute angle.
Preferably, an included angle β between the second inclined surface and the butt joint shell surface and an included angle γ between the first end surface and the butt joint shell surface have the following relationship, and γ is greater than β.
Preferably, the first inclined surface and the second inclined surface are parallel to each other.
Preferably, a distance L between the first inclined surface and the second inclined surface1∈(0，1]In mm.
Preferably, a sliding door assembly is mounted on the housing and slidably connected to the housing, and the sliding door assembly can slide along the periphery of the housing.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention provides an indoor unit of an air conditioner, wherein an air outlet duct of a volute is in butt joint with an air outlet duct of a panel seat, the volute and the panel seat are matched to form an air return groove, and the air return groove can effectively prevent air return, so that the loss of air volume is reduced, and meanwhile, noise is also reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of an indoor unit of an air conditioner according to the present invention;
FIG. 2 is a schematic view of an indoor unit of an air conditioner according to the present invention, showing a sliding door closed;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a schematic structural view of the indoor unit of an air conditioner according to the present invention, with the front panel exposed;
FIG. 5 is an enlarged view of area B of FIG. 4;
FIG. 6 is a first schematic structural view of a sliding door of an indoor unit of an air conditioner according to the present invention;
FIG. 7 is an enlarged view of area C of FIG. 6;
FIG. 8 is a second schematic structural view of a sliding door of an indoor unit of an air conditioner according to the present invention;
FIG. 9 is an enlarged view of area D of FIG. 8;
FIG. 10 is a third schematic view of the sliding door of the indoor unit of an air conditioner according to the present invention;
FIG. 11 is an enlarged view of area E of FIG. 10;
FIG. 12 is a fourth schematic structural view of a sliding door of an indoor unit of an air conditioner according to the present invention;
FIG. 13 is an enlarged view of area F of FIG. 12;
FIG. 14 is a fifth schematic view of the sliding door of the indoor unit of an air conditioner according to the present invention;
FIG. 15 is a cross-sectional view taken along A-A of FIG. 14;
fig. 16 is a sixth schematic structural view of a sliding door of an indoor unit of an air conditioner according to the present invention;
FIG. 17 is an enlarged view of area G of FIG. 16;
FIG. 18 is an enlarged view of region H of FIG. 16;
fig. 19 is a seventh schematic structural view of a sliding door of an indoor unit of an air conditioner according to the present invention;
FIG. 20 is an enlarged view of area I of FIG. 19;
FIG. 21 is a first schematic view of a reinforcement member of the indoor unit of an air conditioner according to the present invention;
FIG. 22 is an enlarged view of the area J in FIG. 21;
FIG. 23 is an enlarged view of region K of FIG. 21;
FIG. 24 is an enlarged view of the area L in FIG. 21;
FIG. 25 is a second schematic structural view of a reinforcement member of the indoor unit of an air conditioner according to the present invention;
FIG. 26 is an enlarged view of region M of FIG. 25;
fig. 27 is an exploded view of the indoor unit of an air conditioner according to the present invention;
FIG. 28 is a schematic view of an indoor unit of an air conditioner according to the present invention;
FIG. 29 is a cross-sectional view taken along line B-B of FIG. 28;
FIG. 30 is an enlarged view of the area N in FIG. 29;
fig. 31 is a partial structural schematic view of an air conditioning indoor unit according to the present invention.
In the above figures: a front panel 1; an air outlet 10; a volute 2; a volute air outlet duct 21; a volute butt end 22; abutting the shell plate 23; abutting the shell surface 24; a first end face 25; a second inclined surface 26; a drive mechanism 3; a sliding door assembly 4; a slide door 5; a mounting groove 51; a bottom plate 511; a first card hole 513; a first end plate 5131; the first groove wall 5132; a first support plate 5133; a second card hole 514; the second support plate 5141; a second groove wall 5142; a third support plate 5143; a third card hole 515; a fourth support plate 5151; a third slot wall 5152; a second end plate 5153; a support table 516; a limiting plate 517; a reinforcing member 52; a reinforcing bar 521; a first hook 522; a clamping plate 523; a limit rib 5231; a second hook 524; a limiting strip 525; a rack 6; a guide strip 7; a rolling assembly 8; a roller 81; a connecting portion 82; a panel base 9; a panel base air outlet duct 91; panel mount butt ends 92; a docking plate 93; a seating surface 94; the first inclined surface 95; an indoor unit air outlet duct 11; an upwind trough 12.
Detailed Description
The present invention is further described below in conjunction with specific examples to enable those skilled in the art to better understand the present invention and to practice it, but the scope of the present invention as claimed is not limited to the scope described in the specific embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example one
An indoor unit of an air conditioner, as shown in fig. 1-7, comprises a casing, a front panel 1 is combined in front of the casing, and an air outlet 10 is arranged on the front panel 1; the shell is provided with an air inlet; the fan is characterized in that a volute 2 is arranged in the shell, a fan is arranged in the volute 2, and a heat exchanger is arranged between the fan and the air inlet. Under the action of the fan, air enters from the air inlet and passes through the heat exchanger; the air passing through the heat exchanger is discharged into the room through the air outlet 10 by the fan.
The shell is provided with a driving mechanism 3 and a sliding door assembly 4; the driving mechanism 3 drives the sliding door assembly 4 to slide in the peripheral direction relative to the front panel 1, so as to open or close the air outlet 10 on the front panel 1.
As shown in fig. 1, the sliding door assembly 4 includes a sliding door 5, and racks 6 fixed to upper and lower ends of the sliding door 5; the driving mechanism 3 is fixed with the front panel 1 of the air conditioner, and the driving mechanism 3 is matched with the rack 6 and drives the rack 6 to slide relative to the peripheral direction of the front panel 1. The driving mechanism 3 comprises a motor and a gear, the motor is preferably a stepping motor, the stepping motor has the advantages of large torque and stable and reliable operation, and the shaking of the sliding door 5 during sliding can be reduced. The gear is arranged on the output shaft of the motor, rotates on the horizontal plane, and is meshed with the rack 6, so that when the gear rotates, the rack 6 can be driven to slide. The rack 6 is arc-shaped, a plurality of first teeth which are arranged along the length direction of the rack 6 at intervals are arranged on one side of the gear, and the radian of the whole rack 6 is consistent with that of the sliding door 5. Second teeth meshed with the first teeth are uniformly distributed on the circumference of the gear. Therefore, the motor of the driving mechanism 3 drives the gear to rotate, the second teeth on the gear are meshed with the first teeth on the rack 6, and the meshing strip is driven to move relative to the peripheral direction of the front panel 1; namely, the sliding door 5 is driven to move relative to the circumferential direction of the front panel 1, so as to open or close the air outlet 10 on the front panel 1.
The front panel 1 is provided with a rolling component 8, and the rolling component 8 is positioned at one side close to the sliding door component 4; i.e. the rolling assembly 8 is located between the sliding door assembly 4 and the front panel 1. The rolling assembly 8 includes a roller 81, and a rotation plane of the roller 81 is parallel to the direction of the outer periphery of the front panel 1. A guide strip 7 is arranged on one side, close to the front panel 1, of the sliding door component 4 (the sliding door 5 or the rack 6); the guide strip 7 is arranged along the peripheral direction of the front panel 1 and corresponds to the roller 81 on the front panel 1. The roller 81 rolls along the guide strip 7. In the present embodiment, when the roller 81 contacts the guide strip 7, the roller 81 can roll with respect to the guide strip 7, that is, the roller 81 can roll on the sliding door assembly 4 after contacting the sliding door assembly 4. Wherein, the rotation plane of the roller 81 is parallel to the direction of the periphery of the front panel 1, so that when the roller 81 contacts the sliding door assembly 4, the rotation direction of the roller 81 can be adapted to the moving direction of the sliding door 5, which facilitates the rolling of the roller 81 relative to the guide strip 7 when the sliding door 5 slides relative to the front panel 1.
The rolling assembly 8 comprises a connecting part 82, one end of the connecting part 82 is connected to the front panel 1, and the other end of the connecting part 82 is provided with a roller 81; and a roller 81 is provided at the front side of the front panel 1. The connecting portion 82 is provided to ensure the stability of the rolling assembly 8 mounted on the front panel 1, and ensure that the rolling assembly 8 can maintain a stable state after contacting the sliding door assembly 4, i.e., can stably roll on the sliding door assembly 4.
In this embodiment, when there is no space between the roller 81 and the guide strip 7 under the normal operation of the sliding door 5; i.e. the sliding door 5 is not deformed, there is no space between the roller 81 and the guide strip 7.
In the present embodiment, under the condition that the sliding door 5 is normally operated, the roller 81 abuts against the guide strip 7, the rolling assembly 8 contacts with the guide strip 7 on the sliding door assembly 4, and the sliding door 5 can stably slide relative to the front panel 1 to selectively open or close the opening. And the contact arrangement of the roller 81 and the guide strip 7 can improve the sliding stability of the sliding door 5.
In addition, when the sliding door 5 is deformed in a special situation, since the roller 81 abuts on the guide strip 7 on the sliding door assembly 4 (the sliding door 5 or the rack 6), a gap between the sliding door assembly 4 and the front panel 1 can be ensured to effectively limit the deformation amount of the sliding door 5. At this time, the roller 81 rolls with respect to the guide strip 7 to perform the rolling of the rolling assembly 8 with respect to the sliding door assembly 4 and to avoid the friction or collision between the sliding door assembly 4 and the front panel 1.
The sliding door assembly 4 provided in this embodiment can be in sliding relative to the front panel 1, the guide strip 7 of the sliding door assembly 4 abuts against the front panel 1, and can be in rolling contact with the guide strip 7 through the rolling assembly 8 arranged on the front panel 1, that is, the relative movement mode of the abutting part between the sliding door assembly 4 and the front panel 1 can be changed into a rolling mode, so that the damage caused by friction or direct collision between the sliding door assembly 4 and the front panel 1 is avoided, the sliding door 5 can be ensured to stably slide relative to the front panel 1, and the service life of the sliding door 5 can be prolonged.
In addition, in the present embodiment, a plurality of rolling assemblies 8 are disposed on the front panel 1, and the plurality of rolling assemblies 8 are disposed on the front panel 1 at intervals, so that the plurality of rolling assemblies 8 provide a shielding effect to all parts of the front panel 1 to avoid friction or collision between the sliding door 5 and the front panel 1.
In addition, the guide strip 7 is provided with a convex rib in the embodiment, the convex rib is matched with the side surface of the roller 81, and the roller 81 rolls along the convex rib. Furthermore, the two convex ribs are arranged in parallel along the extending direction of the guide strip, and the roller rolls along the end faces of the two convex ribs; the plurality of convex ribs are arranged, so that on one hand, the processing and the forming are convenient; on the other hand, the axial direction of the roller can be limited to improve the rolling stability.
Furthermore, an upper barrier strip is arranged on the upper side of the guide strip 7, and a lower barrier strip is arranged on the lower side of the guide strip; at least part of the rollers are positioned between the upper barrier strips and the lower barrier strips so as to limit the rollers along the direction of the rotating shafts of the rollers, ensure the rolling effectiveness and effectively avoid the rolling failure caused by the separation of the rollers and the guide strips.
The sliding door 5 provided in this embodiment can be in rolling contact with the guide strip 7 through the rolling component 8 provided in the front panel 1 when sliding relative to the front panel 1, that is, the manner of relative movement between the sliding door component 4 (the sliding door 5 or the rack 6) and the front panel 1 which are in contact with each other can be changed into a rolling manner, so that damage caused by friction or direct collision between the sliding door 5 or the rack 6 and the front panel 1 is avoided, the sliding door 5 can be ensured to stably slide relative to the front panel 1, and the service life of the sliding door 5 can be prolonged.
Example two
The principle of this embodiment is the same as that of the first embodiment, and the difference is that: in the case of normal operation of the sliding door 5, there is a space between the roller 81 and the guide strip 7, i.e. in the case of no deformation of the sliding door assembly 4 (sliding door 5 or rack 6), there is a space between the roller 81 and the guide strip 7.
In the present embodiment, under the condition that the sliding door 5 is normally operated, there is a space between the roller 81 and the guide strip 7, that is, the rolling assembly 8 does not contact with the sliding door assembly 4 (the sliding door 5 or the rack 6), and at this time, the sliding door 5 can stably slide with respect to the front panel 1 to selectively open or close the opening.
In addition, when the sliding door assembly 4 (sliding door 5 or rack 6) deforms under a special condition, the roller 81 can abut against the guide strip 7 on the sliding door assembly 4 (sliding door 5 or rack 6) and roll relative to the guide strip 7 through the roller 81, so that the rolling assembly 8 rolls relative to the sliding door 5 or rack 6, and the function of preventing friction or collision between the sliding door 5 or rack 6 and the front panel 1 is realized. Meanwhile, the gap between the sliding door assembly 4 (the sliding door 5 or the rack 6) and the front panel 1 can be ensured, and the deformation amount of the sliding door assembly 4 (the sliding door 5 or the rack 6) is effectively limited. At the same time, the stability of the sliding door 5 can be improved.
The sliding door 5 provided in this embodiment can slide relative to the front panel 1, when the sliding door assembly 4 (the sliding door 5 or the rack 6) deforms, and can be in rolling contact with the guide strip 7 through the rolling assembly 8 provided in the front panel 1, that is, the relative movement between the sliding door assembly 4 (the sliding door 5 or the rack 6) and the front panel 1 can be changed into a rolling manner, so that damage caused by friction or direct collision between the sliding door assembly 4 (the sliding door 5 or the rack 6) and the front panel 1 is avoided, stable sliding of the sliding door 5 or the rack 6 relative to the front panel 1 is ensured, and the service life of the sliding door 5 can be prolonged.
EXAMPLE III
This embodiment mainly explains the reinforcing structure of the sliding door 5. The principle is the same as the principle of the first embodiment and the second embodiment, and the main difference is as follows: as shown in fig. 8-26, the inner side of the sliding door 5 near the front panel 1 is provided with a mounting groove 51, and the overall curvature of the mounting groove 51 is consistent with the curvature of the sliding door 5; a reinforcing member 52 is provided in the mounting groove 51. The reinforcing member 52 is provided as a plastic member in this embodiment, and can effectively reinforce the lateral strength of the sliding door 5. Along vertical aspect, the inboard a plurality of mounting grooves 51 that arrange side by side that are equipped with of sliding door 5 effectively strengthens sliding door 5's bulk strength.
The installation groove 51 comprises a bottom plate 511, and the plane of the sliding door 5 is perpendicular to the bottom plate 511; the bottom plate 511 is provided with a clamping hole; along the radian direction of the installation groove 51, the clamping holes are arranged at the middle part and the end part of the bottom plate 511. As shown in fig. 8-20, in the present embodiment, the bottom plate 511 is provided with a first locking hole 513, a second locking hole 514 and a third locking hole 515; the second clamping hole 514 is formed in the middle of the bottom plate 511 and is located between the first clamping hole 513 and the third clamping hole 515, and the first clamping hole 513 and the third clamping hole 515 are sequentially formed in the right end and the left end of the bottom plate 511.
A first end plate 5131, a first groove wall 5132 and a first supporting plate 5133 which are sequentially connected are arranged around the first clamping hole 513; the first end plate 5131 is connected with the sliding door 5 and is positioned at the right end of the first clamping hole 513; the first support plate 5133 is connected to the sliding door 5 and is located at the left end of the first clamping hole 513; the first support plate 5133 has a height lower than that of the first groove wall 5132, forming a first mounting stage. Wherein the first end plate 5131 is at the same height as the first groove wall 5132.
A second supporting plate 5141, a second groove wall 5142 and a third supporting plate 5143 which are sequentially connected are arranged around the second clamping hole 514; the second support plate 5141 is connected to the sliding door 5 and is located at the right end of the second locking hole 514; the third supporting plate 5143 is connected to the sliding door 5 and is located at the left end of the second locking hole 514; the heights of the second supporting plate 5141 and the third supporting plate 5143 are both lower than the height of the first groove wall 5132, so as to form a second mounting platform. The second support plate 5141, the third support plate 5143 and the first support plate 5133 have the same height, that is, the first installation platform and the second installation platform are flat.
A fourth supporting plate 5151, a third groove wall 5152 and a second end plate 5153 which are sequentially connected are arranged around the third clamping hole 515; the fourth supporting plate 5151 is connected to the sliding door 5 and is located at the right end of the third fastening hole 515; the second end plate 5153 is connected to the sliding door 5 and is located at the left end of the third clamping hole 515; the height of the fourth support plate 5151 is lower than that of the third groove wall 5152, forming a third mounting platform; the fourth support plate 5151 is equal to the first, second and third support plates 5133, 5141 and 5143 in height, i.e., the first, second and third mounting surfaces are coplanar. Wherein the second end plate 5153 is equal in height to the third slot wall 5152.
The first, second, and third groove walls 5132, 5142, 5152 are equal in height.
Furthermore, in this embodiment, a plurality of limiting plates 517 are disposed on the inner side of the first groove wall 5132, and each limiting plate 517 includes a first limiting plate and a second limiting plate, and the first limiting plate and the second limiting plate are connected at a right angle to form an L-shaped limiting plate 517. The first limit plate is connected with the bottom plate 511 of the installation groove 51 and has the same height as the first support plate 5133; the second limiting plate is connected to the first groove wall 5132. Similarly, a plurality of L-shaped position limiting plates 517 are disposed on the inner side of the third groove wall 5152.
In the installation groove 51, the heights of the first limiting plate, the first supporting plate 5133, the second supporting plate 5141, the third supporting plate 5143 and the fourth supporting plate 5151 are the same, and a supporting platform 516 is formed together to install the reinforcing member 52. The supporting platform 516 is not limited to the above arrangement, and may be at least partially composed of a plurality of the first limiting plates, the first supporting plate 5133, the second supporting plate 5141, the third supporting plate 5143, and the fourth supporting plate 5151. The first end plate 5131 and the second end plate 5153 limit the displacement of the two ends of the reinforcing member 52 in the sliding direction, respectively. The first groove wall 5132, the second groove wall 5142, the third groove wall 5152 and the plurality of second limiting plates cooperate to limit the displacement of the reinforcing member 52 perpendicular to the direction of the sliding door 5.
As shown in fig. 21 to 26, the reinforcing member 52 includes a reinforcing bar 521, and the reinforcing bar 521 is shaped to conform to the overall arc shape of the mounting groove 51. The lower end part of the reinforcing bar 521 is sequentially provided with a first clamping hook 522, a clamping plate 523 and a second clamping hook 524; the first hook 522, the catch plate 523 and the second hook 524 sequentially pass through the first locking hole 513, the second locking hole 514 and the third locking hole 515 of the mounting groove 51. The first hook 522 and the second hook 524 face the side away from the sliding door 5, and are both engaged with the bottom plate 511. The front surface and the rear surface of the clamping plate 523 are respectively provided with a limiting rib 5231, and the limiting ribs 5231 are matched with the bottom plate 511 around the second clamping hole 514 on one hand, so that the interaction force between the reinforcing strip and the mounting groove can be effectively conducted; on the other hand easy to assemble, and can strengthen the intensity of cardboard. The surface of the reinforcing bar 521 close to the sliding plate is provided with a plurality of limiting bars 525, and the plurality of limiting bars 525 are matched with the inner side of the sliding door 5 so as to be in line contact with the sliding door 5. The lower end of the reinforcing bar 521 is engaged with a supporting platform 516 formed by a plurality of first limiting plates, first supporting plates 5133, second supporting plates 5141, third supporting plates 5143 and fourth supporting plates 5151. The first groove wall 5132, the second groove wall 5142, the third groove wall 5152 and the plurality of second limiting plates are all matched with the side surface of the reinforcing bar 521 away from the sliding door 5. The two end faces of the reinforcing bar 521 are respectively matched with the first end plate 5131 and the second end plate 5153.
With the arrangement, a plurality of line contacts (limiting ribs or limiting strips) are arranged between the reinforcing piece 52 and the mounting groove 51, so that on one hand, the contact area can be effectively reduced, the mounting stability is improved, and the reinforcing effect is effectively improved; on the other hand, a gap is reserved, so that the assembly and disassembly are convenient. Moreover, set up three card hole on the bottom plate in this embodiment, and set up two trips on the mounting bar, the intermediate position sets up the cardboard and cooperatees with the card hole, a plurality of location on the one hand to improve the joint strength of reinforcement and mounting groove, can in time transmit power between reinforcement and mounting groove effectively, effectively improve the wholeness of reinforcement and sliding door. On the other hand, the two ends of the clamping hook are fixed, the middle clamping plate is limited, and the connecting strength is guaranteed, and meanwhile, the disassembly and the assembly are convenient. In addition, in the embodiment, on one hand, the installation table is arranged to install the reinforcing part main body and limit the reinforcing part; on the other hand fixes a position through the cooperation of card hole and trip, has increased the connectivity of reinforcement and mounting groove, has effectively improved the wholeness of reinforcement and sliding door, has effectively improved sliding door's whole transverse strength.
Compared with the existing products on the market, the sheet metal part is connected with the sliding plate through screws so as to enhance the transverse strength of the sliding door 5; in the embodiment, the plastic part is adopted, so that the weight can be effectively reduced while the strength is ensured. In addition, set up mounting groove 51 in this embodiment, reinforcement 52 and the cooperation of mounting groove 51 joint, simple to operate is swift. The installation complexity of the existing screw fixed connection is avoided, and the installation efficiency is effectively improved.
Example four
This embodiment mainly describes the air duct structure of an air conditioning indoor unit. The present invention is not limited to the indoor unit of an air conditioner described in the first to third embodiments. The air duct structure of the air conditioner indoor unit is improved in a general sense.
As shown in fig. 27 to 31, a volute 2 is provided in a casing of the indoor unit of an air conditioner, and a fan is provided in the volute 2; and a volute air outlet channel 21 is arranged on the volute 2. The front of the shell is combined with a front panel 1, and an air outlet 10 is arranged on the front panel 1; the front panel 1 is mounted on a panel mount 9. The panel seat 9 is provided with a panel seat air outlet duct 91, one end of the panel seat air outlet duct 91 corresponds to the air outlet 10 on the front panel 1, and the other end of the panel seat air outlet duct 91 is communicated with the volute air outlet duct 21. Namely, one end of the panel seat air outlet duct 91 corresponds to the end of the volute air outlet duct 21, and the other end corresponds to the air outlet 10 on the front panel 1, so as to form an indoor unit air outlet duct 11, and under the action of a fan, air passing through the heat exchanger is guided into the room through the volute air outlet duct 21, the panel seat air outlet duct 91 and the air outlet 10 on the front panel 1.
The end part of the volute 2 butted with the panel seat 9 is marked as a volute butting end 22; correspondingly, the end part of the panel seat 9 butted with the volute 2 is marked as a panel seat butting end 92; the projected width of the volute mating end 22 is less than the projected width of the panel mount mating end 92 on the projection on the bottom surface of the air conditioner; the faceplate seat interface end 92 surrounds the periphery of the volute interface end 22; namely, at the joint of the volute air outlet duct 21 and the panel seat air outlet duct 91, the width of the volute air outlet duct 21 is smaller than that of the panel seat air outlet duct 91, and the panel seat air outlet duct 91 surrounds the periphery of the volute air outlet duct 21; namely, the size of the air duct of the panel seat air outlet duct 9 on the panel seat butt joint end 92 side is larger than that of the volute air outlet duct on the volute butt joint end 22 side.
The volute mating end 22 comprises a mating shell plate 23, and the panel mount mating end 92 comprises a mating seat plate 93; the surface of the abutting shell plate 23 close to the volute air outlet duct 21 is marked as an abutting shell surface 24; the surface of the butt joint seat plate 93, which is butted with the surface of the panel seat air outlet duct 91, is marked as a butt joint seat surface 94, and the butt joint seat surface 94 is located on one side of the butt joint shell surface 24, which is far away from the volute air outlet duct 21; namely, at the joint of the volute air outlet duct 21 and the panel seat air outlet duct 91, the volute air outlet duct 21The width of the panel seat air outlet duct 91 is smaller than that of the panel seat air outlet duct 91, and the panel seat air outlet duct 91 surrounds the periphery of the volute air outlet duct 21. A point on the seating surface 94 is denoted as Q, where the Q point is any point of the seating surface 94; the distance L from the point Q on the mating seat surface 94 to the mating shell surface 24 mating with the mating seat surface 94 is recorded0Wherein L is0∈(0，5]In mm.
In this embodiment, the docking shell plate 23 is parallel to the docking seat plate 93.
In this embodiment, at the joint between the spiral casing air outlet duct 21 and the panel base air outlet duct 91, the spiral casing air outlet duct 21 at the spiral casing joint end 22 is equidistant from the panel base air outlet duct 91 at the panel base joint end 92. Namely, at the joint of the spiral case outlet air duct 21 and the panel base outlet air duct 91, the panel base outlet air duct 91 surrounds the periphery of the spiral case outlet air duct 21, and the spiral case outlet air duct 21 and the panel base outlet air duct 91 are equidistant. That is, in the projection of the bottom surface of the air conditioner, the butt joint positions are located at two sides of the air outlet duct of the air conditioner, and the distance between the butt joint shell surface 24 and the butt joint seat surface 94 in butt joint with the butt joint shell surface is equal at the two butt joint positions.
The arrangement can effectively guide air to enter the panel seat air outlet duct 91 from the volute air outlet duct 21 in a soft transition manner, so that the air volume loss of the air at the joint of the volute air outlet duct 21 and the panel seat air outlet duct 91 is avoided, and meanwhile, the noise is effectively reduced; in addition, if the wind meets the shielding assembly, condensation occurs on the surface of the shielding assembly, or the wind enters the assembly gap of the two assemblies under the guidance of the shielding assembly; set up above this embodiment and enlarge the air current circulation cross-section to do not have the subassembly that shelters from on making the air-out direction, can effectively avoid producing the condensation in spiral case air-out wind channel and panel seat air-out wind channel butt joint department, and avoid the air current to get into the fit-up gap of spiral case and panel seat.
EXAMPLE five
The present embodiment mainly describes an air duct structure of an air conditioning indoor unit, which is not limited to the air conditioning indoor unit described in the first to fourth embodiments. This embodiment will be explained based on the structure of the fourth embodiment.
The volute casing air outlet duct 21 is in butt joint with the panel seat air outlet duct 91, and the volute casing 2 is matched with the panel seat 9 to form an upwind groove 12; the upwind groove 12 extends from the joint of the volute air outlet duct 21 and the panel seat air outlet duct 91 to the outer side of the panel seat air outlet duct 91, and forms an obtuse angle with the duct wall of the panel seat air outlet duct 91. Namely, the upwind groove 12 is formed at the butt joint of the volute butt joint end 22 and the panel seat butt joint end 92. A butt joint seat surface 94 at the end part of the butt joint end 92 of the panel seat inclines towards the direction far away from the air outlet duct 91 of the panel seat to form a first inclined surface 95; the first inclined surface 95 is an inner groove surface of the upwind groove 12; the first inclined surface 95 is connected to the mating seat surface 94; and the included angle α between the first inclined surface 95 and the abutment surface 94 is an obtuse angle.
The end of the volute mating end 22 that mates with the panel mount mating end 92 is provided with a first end face 25; the first end surface 25 is connected with the butt joint shell surface 24 and is formed by the butt joint shell surface 24 turning to the side far away from the volute air outlet duct 21. The first end face 25 is perpendicular to the butt joint shell face 24, or an included angle gamma between the first end face 25 and the butt joint shell face 24 is an acute angle; to effectively prevent air flowing along the abutting shell surface 24 from being diverted toward the first end surface 25, resulting in return air. One end of the first end surface 25 far away from the butt joint shell surface 24 is inclined to the direction far away from the butt joint end 92 of the panel seat to form a second inclined surface 26; the angle β between the second inclined surface 26 and the mating shell surface 24 is acute.
Specifically, an included angle β between the second inclined surface 26 and the abutting shell surface 24, and an included angle γ between the first end surface 25 and the abutting shell surface 24 have the following relationship, where γ > β.
The panel butt end face formed by the first inclined face 95 and the volute butt end 22 end face formed by the first end face 25 and the second inclined face 26 form the counter-wind groove 12, and the counter-wind groove 12 effectively prevents return wind, so that loss of wind volume is reduced, and noise is reduced.
Further, the first inclined surface 95 and the second inclined surface 26 are parallel to each other. A distance L between the first inclined surface 95 and the second inclined surface 261∈(0，1]In mm.
In the fourth embodiment, in the arrangement where the abutting shell surface 24 and the abutting seat surface 94 abutting against the abutting shell surface are parallel to each other, the first inclined surface 95 and the second inclined surface 26 are parallel to each other, i.e., there are complementary α and β.
Since the projection width of the volute abutting end 22 on the bottom surface of the air conditioner is smaller than the projection width of the panel base abutting end 92, that is, the size of the volute outlet air duct 21 is smaller than the size of the panel base outlet air duct 91. Under the arrangement of the structure that the size of the air channel is enlarged, the air flowing out of the volute air outlet channel 21 can be softly attached to the air channel wall of the panel seat air outlet channel 91; the arrangement of the upwind groove 12 in the embodiment effectively prevents return air, so that the loss of air volume is reduced, and the noise is also reduced.
The fourth and fifth embodiments are not limited to the structures of the indoor units of air conditioners described in the first to third embodiments, and have a general structural value as long as the air ducts of the indoor units of air conditioners are consistent with the setting principle in the fourth and fifth embodiments.
The invention provides an air-conditioning indoor unit, which has the following advantages:
1. the sliding door is arranged on the indoor unit of the air conditioner, when the sliding door slides relative to the front panel 1, the sliding door can be in rolling contact with the guide strip on the sliding door assembly through the rolling assembly arranged on the front panel, namely, the mode of relative movement between the sliding door assembly (the sliding door or the rack) and the front panel which are in contact is changed into a rolling mode, the damage caused by friction or direct collision between the sliding door assembly (the sliding door or the rack) and the front panel is avoided, the sliding door can stably slide relative to the front panel, and the service life of the sliding door can be prolonged.
2. According to the invention, the reinforcing piece is arranged on the sliding door of the indoor unit of the air conditioner, and the reinforcing piece is clamped and matched with the mounting groove, so that the mounting is convenient and fast; the installation complexity of the existing screw fixed connection is avoided, and the installation efficiency is effectively improved. In addition, a plurality of line contacts are arranged between the reinforcing piece and the mounting groove, so that on one hand, the contact area can be effectively reduced, and meanwhile, the mounting stability is improved, and the reinforcing effect of the reinforcing piece is improved; on the other hand, a gap is reserved, and the assembly and disassembly are convenient. Moreover, compared with the existing products on the market which are provided with sheet metal parts and sliding plates which are connected through screws so as to enhance the transverse strength of the sliding door, the sliding door adopts the plastic parts, so that the strength is ensured, and the weight is effectively reduced.
3. In the projection of the air conditioner indoor upper part on the bottom surface of the air conditioner, the projection width of the volute butt joint end is smaller than that of the panel seat butt joint end; and the panel seat butt joint end surrounds the periphery of the volute butt joint end. Can effectively guide the air and get into panel seat air-out wind channel by soft transition in the spiral case air-out wind channel, avoid the air loss of air at spiral case air-out wind channel and panel seat air-out wind channel junction, effectively reduce the noise simultaneously.
4. According to the indoor unit of the air conditioner, the volute air outlet duct and the panel seat air outlet duct are in butt joint, the volute and the panel seat are matched to form the counter-wind groove, and the counter-wind groove can effectively prevent return air, so that the loss of air volume is reduced, and meanwhile, noise is also reduced.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (10)

1. An air-conditioning indoor unit, which comprises
A housing;
the front panel (1) is arranged in front of the shell, and an air outlet (10) is formed in the front panel (1);
the volute (2) is arranged in the machine shell and is provided with a volute air outlet duct (21);
a panel base (9) on which a front panel (1) is mounted; a panel seat air outlet duct (91) is arranged on the panel seat (9);
one end of the panel seat air outlet duct (91) corresponds to an air outlet (10) on the front panel (1), and the other end of the panel seat air outlet duct is communicated with the volute air outlet duct (21);
the method is characterized in that: the volute casing (2) and the panel seat are matched to form an inverse air groove (12) at the butt joint of the volute casing air outlet duct (21) and the panel seat air outlet duct (91), and the inverse air groove (12) extends towards the outer side of the panel seat air outlet duct (91) from the butt joint of the volute casing air outlet duct (21) and the panel seat air outlet duct (91) and forms an obtuse angle with the duct wall of the panel seat air outlet duct (91).
2. An indoor unit of an air conditioner according to claim 1, wherein: the end part of the panel seat (9) butted with the volute (2) is marked as a panel seat butting end (92); the surface of the butt joint end (92) of the panel base, which is close to the air outlet duct (91) of the panel base, is marked as a butt joint seat surface (94); the upwind groove (12) comprises a first inclined surface (95); the first inclined surface (95) is connected with the butt joint seat surface (94) and is positioned on one side, far away from the panel seat air outlet duct (91), of the butt joint seat surface (94); the included angle alpha between the first inclined surface (95) and the butt joint seat surface (94) is an obtuse angle.
3. An indoor unit of an air conditioner according to claim 2, wherein: the end part of the volute (2) butted with the panel seat (9) is marked as a volute butting end (22); the surface of the volute butt joint end (22) close to the volute air outlet duct (21) is marked as a butt joint shell surface (24); the upwind groove (12) comprises a second inclined surface (26) corresponding to the first inclined surface (95), and the second inclined surface (26) is positioned on one side, far away from the volute air outlet duct (21), of the butt joint shell surface (24); and the included angle beta between the second inclined surface (26) and the butt joint shell surface (24) is an acute angle.
4. An indoor unit of an air conditioner according to claim 3, wherein: the upwind trough (12) comprises a first end surface (25); the first end surface (25) is arranged at the end part of the volute butt joint end (22) and is positioned on one side, far away from the volute air outlet duct (21), of the butt joint shell surface (24); the first end surface (25) connects the abutting shell surface (24) and the second inclined surface (26).
5. An indoor unit of an air conditioner according to claim 4, wherein: the first end surface (25) is perpendicular to the abutting shell surface (24).
6. An indoor unit of an air conditioner according to claim 4, wherein: the included angle gamma between the first end surface (25) and the butt joint shell surface (24) is an acute angle.
7. An indoor unit of an air conditioner according to claim 6, wherein: an included angle beta between the second inclined surface (26) and the butt joint shell surface (24) and an included angle gamma between the first end surface (25) and the butt joint shell surface (24) have the following relation, wherein gamma is larger than beta.
8. An indoor unit of an air conditioner according to claim 3, wherein: the first inclined surface (95) and the second inclined surface (26) are parallel to each other.
9. An indoor unit of an air conditioner according to claim 8, wherein: a distance L between the first inclined surface 95 and the second inclined surface 261∈(0，1]In mm.
10. An air conditioning indoor unit according to one of claims 1 to 9, characterized in that: install on the casing with casing sliding connection's sliding door subassembly (4), just sliding door subassembly (4) can slide along the casing periphery.
CN201911088276.9A 2019-11-08 2019-11-08 Indoor unit of air conditioner Active CN110701680B (en)

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