CN205825236U - Wall-hanging air conditioner indoor unit and air-conditioner - Google Patents

Abstract

The utility model discloses a wall-mounted air conditioner indoor unit and an air conditioner, wherein the wall-mounted air conditioner indoor unit includes a shell, a heat exchanger, two wind wheels and a motor for driving the wind wheels, wherein the shell includes a panel, a middle frame and The back frame, the two ends of the panel are respectively provided with air outlets, and the middle part of the panel is provided with air inlets; the middle frame is located between the panel and the back frame, a cavity is formed between the panel and the middle frame, and the middle frame and the back frame A first air duct and a second air duct independent of each other are formed; the heat exchanger is located in the chamber, the first air duct and the second air duct are connected with the chamber, and the first air duct and the second air duct are respectively connected to the The corresponding air outlets are connected, and the two wind wheels are respectively located in the first air duct and the second air duct. The utility model has the advantages of low noise and high energy efficiency of the indoor unit of the wall-mounted air conditioner.

Description

Wall-mounted air conditioner indoor unit and air conditioner

technical field

The utility model relates to the technical field of air conditioners, in particular to a wall-mounted air conditioner indoor unit and an air conditioner.

Background technique

The shape of the existing wall-mounted air-conditioning indoor units is generally long, and the air inlet is set on the top surface, and the air outlet is set on the lower part of the front. Therefore, under the premise of satisfying the same air volume, the rotation speed of the required wind wheel is relatively high, resulting in high noise and low energy efficiency.

Utility model content

The main purpose of the utility model is to provide a wall-mounted air conditioner indoor unit, aiming to provide a wall-mounted air conditioner indoor unit with low noise and high energy efficiency.

In order to achieve the above purpose, the wall-mounted air-conditioning indoor unit proposed by the utility model includes a housing, a heat exchanger, two radially spaced wind wheels and a motor driving the wind wheels, wherein,

The housing includes a panel, a middle frame and a back frame, the two ends of the panel are respectively provided with air outlets, and the middle part of the panel is provided with an air inlet;

The middle frame is located between the front panel and the back frame, a cavity is formed between the front panel and the middle frame, and first windshields independent of each other are formed between the middle frame and the back frame. Road and Second Air Road;

The heat exchanger is located in the cavity, the first air channel and the second air channel are connected to the cavity, and the first air channel and the second air channel are respectively connected to one of the air outlets Next, the two wind wheels are respectively located in the first air passage and the second air passage.

Preferably, the housing is strip-shaped, the length direction of the housing is perpendicular to the axial direction of the wind wheel, the two wind wheels are centrifugal wind wheels, and the first air duct and the second air duct Both include centrifugal section, advection section and transition section;

The centrifugal section is connected to the wind wheel and extends along the length direction of the housing, the advection section is connected to the air outlet and extends along the axial direction of the wind wheel, and the transition section connects the The centrifugal section and the advection section are used to guide the airflow in the centrifugal section to the advection section.

Preferably, the side of the middle frame facing the back frame is provided with a first slot and a second slot, and the slot widths of the first slot and the second slot are gradually In addition, the side of the back frame facing the middle frame is provided with an adapted third channel and a fourth channel;

The channel enclosed by the first channel and the third channel is connected to the centrifugal section of the first air channel, and the channel enclosed by the second channel and the fourth channel is connected to the channel. The centrifugal section of the second air duct is connected.

Preferably, the groove walls of the first slot and the second slot located radially inside of the wind wheel are both connected to the wind guide ring of the heat exchanger.

Preferably, the middle part of the third slot and the fourth slot forms a hollow cover for installing the motor, and the cover forms an installation opening for the motor to be installed on the side away from the middle frame .

Preferably, the advection sections of the first air duct and the second air duct are formed at both ends of the middle frame, and the back frame is provided with a recess corresponding to the position of the advection section, and the recess has a guide Concave.

Preferably, a receiving groove is formed on the side of the middle frame facing the panel, the first air channel and the second air channel penetrate to the bottom surface of the receiving groove facing the panel, and the panel and the panel The accommodating groove encloses and forms the accommodating cavity.

Preferably, the heat exchanger is flat, and the heat exchanger is attached to the panel and spaced from the bottom surface of the storage tank;

Preferably, the first air duct, the second air duct, and the two wind wheels are left-right symmetrical.

The utility model also proposes an air conditioner, including a wall-mounted air-conditioning indoor unit, the wall-mounted air-conditioning indoor unit includes a shell, a heat exchanger, two radially spaced wind wheels and a motor driving the wind wheels, wherein,

The housing includes a panel, a middle frame and a back frame, the two ends of the panel are respectively provided with air outlets, and the middle part of the panel is provided with an air inlet;

The middle frame is located between the front panel and the back frame, a cavity is formed between the front panel and the middle frame, and first windshields independent of each other are formed between the middle frame and the back frame. Road and Second Air Road;

The heat exchanger is located in the cavity, the first air channel and the second air channel are connected to the cavity, and the first air channel and the second air channel are respectively connected to one of the air outlets Next, the two wind wheels are respectively located in the first air passage and the second air passage.

The wall-mounted air-conditioning indoor unit of the utility model is driven by two wind wheels to supply air, and the area of the panel corresponding to the two wind wheels can be set as an air inlet, so the air intake area is relatively large, so that the wind wheel can also generate air at a lower speed. The larger air volume reduces the noise; at the same time, since both ends of the panel are equipped with air outlets, the air supply range is large, and by independently controlling the two wind wheels, different temperatures, different wind speeds and different areas of air supply can be achieved, thereby Improved cooling energy efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative work.

Fig. 1 is a schematic structural view of an embodiment of the wall-mounted air conditioner indoor unit of the present invention;

Fig. 2 is a schematic front view of the wall-mounted air conditioner indoor unit in Fig. 1;

Fig. 3 is a schematic cross-sectional structure diagram of the wall-mounted air conditioner indoor unit along line III-III in Fig. 2;

Fig. 4 is a schematic structural diagram of a longitudinal section of the wall-mounted air conditioner indoor unit in Fig. 2;

Fig. 5 is a schematic diagram of the explosion structure of the wall-mounted air conditioner indoor unit in Fig. 1;

Fig. 6 is a schematic diagram of the three-dimensional structure of the middle frame in Fig. 5;

Fig. 7 is a schematic diagram of the back structure of the middle frame in Fig. 6;

FIG. 8 is a schematic diagram of a cross-sectional structure along line VIII-VIII in FIG. 7 .

Explanation of reference numbers:

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present utility model, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the relative positional relationship, movement conditions, etc. between the various components shown in the figure below, if the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. Implying their relative importance or implying the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.

The utility model provides a wall-mounted air conditioner indoor unit.

In the embodiment of the utility model, as shown in Fig. 1, Fig. 3 to Fig. 5, the arrow W in the figure indicates the direction of the airflow, and the wall-mounted air conditioner indoor unit includes a shell 1, a heat exchanger 2, two The wind wheel 3 and the motor 4 driving the wind wheel 3, wherein,

The housing 1 includes a panel 11 , a middle frame 12 and a back frame 13 . The two ends of the panel 11 are respectively provided with air outlets 111 , and the middle of the panel 11 is provided with an air inlet 112 .

The middle frame 12 is located between the panel 11 and the back frame 13, and a cavity 14 is formed between the panel 11 and the middle frame 12, and a first air duct 15 and a second air duct independent of each other are formed between the middle frame 12 and the back frame 13. Road 16.

The heat exchanger 2 is located in the chamber 14, the first air passage 15 and the second air passage 16 are connected with the chamber 14, and the first air passage 15 and the second air passage 16 are respectively connected with an air outlet 111, and the two air passages The wheels 3 are respectively located in the first air passage 15 and the second air passage 16 .

In this embodiment, the panel 11 and the middle frame 12 are clamped and fixed, and the surface frame and the middle frame 12 are arranged separately to facilitate the assembly of the heat exchanger 2. In order to prevent air leakage, the panel 11 should be sealed with the middle frame 12, and the middle frame 12 It is also tightly fitted with the back frame 13. The first air duct 15 and the second air duct 16 are enclosed between the middle frame 12 and the back frame 13, and the channels forming the first air duct 15 and the second air duct 16 can be completely formed in the middle frame 12 or the back frame 13. superior.

It can be understood that, since the back frame 13 is used to be fixed to supports such as walls, the strength of the middle frame 12 also needs to be considered when setting the channels, and furthermore, preferably, the channels are formed in half On the middle frame 12 and the back frame 13, this is also more conducive to reducing the difficulty of molding.

In order to enhance the practicality, the housing 1 is generally arranged in a strip shape, the air inlets 112 are located at both ends of the panel 11 in the length direction, and the line connecting the axes of the two wind wheels 3 is consistent with the length direction of the housing 1 . The air inlet 112 is generally arranged in a grid shape, so that on the one hand, the air intake can be made more uniform, and on the other hand, the internal components of the housing 1 can be protected. When installed, the length direction of the casing 1 is parallel to the horizontal plane.

The heat exchanger 2 is composed of a plurality of heat exchange tubes, through which a heat exchange refrigerant circulates. Specifically, the heat exchanger 2 is fixedly connected to the middle frame 12 , and a water receiving tray 5 is arranged directly below the heat exchanger 2 . When working, the air first enters the casing 1 from the air inlet, then flows through the first heat exchanger 2 and the second heat exchanger 2 to exchange heat, and then is sent out from the air outlet 111 through the first air duct 15 and the second air duct 16 .

The wall-mounted air conditioner indoor unit of the utility model is driven by two wind wheels 3 to supply air, and the area of the panel 11 corresponding to the two wind wheels 3 can be set as an air inlet 112, so the air intake area is relatively large, so that the wind wheel 3 can be lowered. The high speed can also generate a large air volume, thereby reducing noise. At the same time, since both ends of the panel 11 are provided with air outlets 111, the range of air supply is large, and by independently controlling the two wind wheels 3, different temperatures, different wind speeds and air supply in different areas can be realized, thereby improving the cooling energy efficiency.

Further, please refer to Fig. 2 to Fig. 4, in one embodiment, the housing 1 is in the shape of a strip, the length direction of the housing 1 is perpendicular to the axial direction of the wind rotor 3, and the two wind rotors 3 are centrifugal wind rotors, the first Both the first air duct 15 and the second air duct 16 include a centrifugal section 151 , an advection section 152 and a transition section 153 .

The centrifugal section 151 is connected with the wind wheel 3 and extends along the length direction of the casing 1, the advection section 152 is connected with the air outlet 111 and extends along the axial direction of the wind wheel 3, and the transition section 153 is connected with the centrifugal section 151 and the advection section 152, The airflow in the centrifugal section 151 is directed to the advection section 152 .

In this embodiment, when the wind wheel 3 rotates, the air first enters the centrifugal section 151 under the action of centrifugal force. At this time, the direction of the airflow is consistent with the length direction of the housing 1. To flow toward the air outlet 111 along the axial direction of the wind wheel 3 .

By sequentially arranging the centrifugal section 151 , the transition section 153 and the advection section 152 , the air can be smoothly sent out from the first air duct 15 or the second air duct 16 , thereby reducing noise. Preferably, the centrifugal section 151 , the transition section 153 and the advection section 152 all have smooth walls.

Further, please refer to FIG. 5 and FIG. 6, in one embodiment, the side of the middle frame 12 facing the back frame 13 is provided with a first slot 121 and a second slot 122, and the first slot 121 and the second slot The slot width of the channel 122 is gradually expanded along the turning direction of the wind wheel 3 , and a third channel 123 and a fourth channel 124 are provided on the side of the back frame 13 facing the middle frame 12 .

The passage formed by the first channel 121 and the third channel 123 is connected to the centrifugal section 151 of the first air channel 15, and the second channel 122 and the fourth channel 124 are enclosed to form a channel and the second air channel 16 The centrifugal section 151 is connected.

In this embodiment, the groove walls of the first groove 121 and the second groove 122 can strengthen the strength of the middle frame 12 itself. Preferably, the radial direction of the first groove 121 and the second groove 122 Reinforcing ribs connected to the groove wall can be arranged on the outside; similarly, the setting of the first groove 121 and the third groove 123 can also enhance the supporting strength of the back frame 13 .

Further, please refer to FIG. 7 and FIG. 8 , in one embodiment, the groove walls of the first channel 121 and the second channel 122 located on the radially inner side of the wind wheel 3 are both ducts connected to the heat exchanger 2 . Wind Circle 123. In this embodiment, the wind guide frame is gradually expanded along the axial direction of the wind wheel 3 and close to the back frame 13 , so that the wind resistance when the air flows to the wind wheel 3 can be reduced.

Further, please refer to FIG. 5 again. In one embodiment, the middle parts of the third channel 123 and the fourth channel 124 form a hollow cover 133 for installing the motor 4. The cover 133 is on the side away from the middle frame 12. Form the installation port for the power supply motor 4 to be installed, so that when disassembling the motor 4, it is not necessary to separate the back frame 13 from the middle frame 12, and the whole casing 1 can be operated separately from supports such as walls, which is convenient to use Repairing or replacing the motor 4 during the process is also beneficial for assembly during production; in addition, the cover body 133 can play a good role in positioning and fixing the motor 4 .

Further, please refer to FIG. 3 again. In one embodiment, the advection sections 152 of the first air passage 15 and the second air passage 16 are formed at both ends of the middle frame 12, and the position of the back frame 13 corresponding to the advection section 152 is provided with The concave portion 134 has a concave arc surface 1341 for guiding.

In this embodiment, since the advection section 152 is straight, it is mainly used to guide the airflow into a parallel flow, and the transition section 153 is used for reversing. Therefore, the advection section 152 and the recess 134 forming the transition section 153 are provided On the middle frame 12 and the back frame 13 , compared with arranging the advection section 152 and the transition section 153 on the same part, the molding difficulty is undoubtedly reduced.

Further, please refer to FIG. 3 , FIG. 5 and FIG. 6 , in one embodiment, a receiving groove 124 is formed on the side of the middle frame 12 facing the panel 11 , and the first air duct 15 and the second air duct 16 pass through to accommodate The bottom surface of the groove 124 faces the panel 11 , and the panel 11 and the receiving groove 124 enclose to form the cavity 14 .

In this embodiment, due to the maintenance of the wall-mounted air-conditioning indoor unit, such as overhauling the heat exchanger 2, cleaning the filter screen, etc., the panel 11 needs to be disassembled. 2, therefore, compared with forming the receiving groove 124 on the panel 11, setting the receiving groove 124 in the middle frame 12 is more conducive to the daily maintenance of the wall-mounted air conditioner indoor unit.

Furthermore, the heat exchanger 2 is flat, and the heat exchanger 2 is attached to the panel 11 and spaced from the bottom surface of the receiving tank 124 . In this way, it is beneficial for the air entering through the air inlet 112 to further mix in the space between the heat exchanger 2 and the bottom surface of the storage tank 124 after flowing through the heat exchanger 2, and prolong the air and heat exchanger at this place. 2 contact times.

Furthermore, the first air channel 15 and the second air channel 16, as well as the two wind wheels 3 are left-right symmetrical about the same vertical plane. In this way, the two air ducts can use the same type of motor 4, and when the two motors 4 rotate at the same speed, the first heat exchanger 2 and the second heat exchanger 2 can exchange heat evenly, and at the same time, the possibility of operation is further reduced. the noise produced.

The utility model also proposes an air conditioner, including a wall-mounted air-conditioning indoor unit, the specific structure of the wall-mounted air-conditioning indoor All the beneficial effects brought by the technical solutions of the embodiments will not be repeated here.

The above is only a preferred embodiment of the present utility model, and does not therefore limit the scope of the patent of the present utility model. Under the inventive concept of the present utility model, the equivalent structural transformation made by using the specification of the utility model and the contents of the accompanying drawings, or Direct/indirect application in other related technical fields is included in the patent protection scope of the present utility model.

Claims (10)

1. a wall-hanging air conditioner indoor unit, it is characterised in that include housing, heat exchanger, radially spaced two wind wheels and driving The motor of described wind wheel, wherein,

Described housing includes that panel, center and back frame, the both ends of described panel offer air outlet respectively, in described panel Portion offers air inlet；

Described center, between described panel and described back frame, forms a cavity volume between described panel and described center, described The first separate air channel and the second air channel it is formed with between center and described back frame；

Described heat exchanger is positioned at described cavity volume, and described first air channel and the second air channel all connect with described cavity volume, and described One air channel and the second air channel connect with corresponding described air outlet respectively, and wind wheel described in two lays respectively at described first air channel and In two air channels.

2. wall-hanging air conditioner indoor unit as claimed in claim 1, it is characterised in that described housing is strip, described housing Length direction and described wind wheel axially vertical, wind wheel described in two is centrifugal wind wheel, and described first air channel and the second air channel are equal Including centrifugal step, advection section and changeover portion；

Described centrifugal step connects with described wind wheel and extends along the length direction of described housing, described advection section and described air outlet Connecting and axially extending along described wind wheel, described changeover portion connects described centrifugal step and advection section, in order to by described centrifugal step Interior air-flow is directed to described advection section.

3. wall-hanging air conditioner indoor unit as claimed in claim 2, it is characterised in that described center towards the one of described back frame Face is provided with the first conduit and the second conduit, and the groove width of described first conduit and the second conduit sets along turning to of described wind wheel in flaring Putting, the one side towards described center of described back frame is provided with the 3rd conduit and the 4th conduit of adaptation；

The centrifugal step of passage and described first air channel that described first conduit encloses formation with described 3rd conduit connects, and described Two conduits enclose formation passage and connect with the centrifugal step in described second air channel with described 4th conduit.

4. wall-hanging air conditioner indoor unit as claimed in claim 3, it is characterised in that described first conduit and the position of the second conduit Cell wall in the radially inner side of described wind wheel is the air-ducting ring being communicated to described heat exchanger.

5. wall-hanging air conditioner indoor unit as claimed in claim 4, it is characterised in that in described 3rd conduit and the 4th conduit Portion forms the hollow cover body in order to install described motor, and described cover body is deviating from the formation of described center side for the loading of described motor Installing port.

6. wall-hanging air conditioner indoor unit as claimed in claim 3, it is characterised in that described first air channel and the second air channel flat Stream section is formed at the two ends of described center, and the position of the corresponding described advection section of described back frame is provided with recess, and described recess has use With the cancave cambered surface guided.

7. wall-hanging air conditioner indoor unit as claimed in claim 1, it is characterised in that described center towards the one of described panel Side is formed with accepting groove, the bottom surface towards described panel of through to the described accepting groove in described first air channel and the second air channel, institute State panel and enclose the described cavity volume of formation with described accepting groove.

8. wall-hanging air conditioner indoor unit as claimed in claim 7, it is characterised in that described heat exchanger is tabular, described in change Hot device fit described panel and and the bottom surface of described accepting groove there is interval.

9. the wall-hanging air conditioner indoor unit as described in claim 1-8 any one, it is characterised in that described first air channel and Two air channels, and two wind wheels are the most symmetrical.

10. an air-conditioner, it is characterised in that include the wall-hanging air conditioner indoor unit as described in claim 1-9 any one.