CN108019823B

CN108019823B - Air conditioner

Info

Publication number: CN108019823B
Application number: CN201610949172.2A
Authority: CN
Inventors: 李波; 白泽远; 辛涛; 付裕; 任志强; 张明杰; 徐贝贝
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Smart Home Co Ltd
Priority date: 2016-11-02
Filing date: 2016-11-02
Publication date: 2020-11-27
Anticipated expiration: 2036-11-02
Also published as: CN108019823A

Abstract

The invention discloses an air conditioner. The air conditioner comprises a shell (1), wherein an air inlet and an air outlet are formed in the shell (1), the air outlet comprises a first air outlet (2) located above and a second air outlet (3) located below, a first axial flow fan (4) is arranged in the shell (1) corresponding to the first air outlet (2), a second axial flow fan (5) is arranged in the shell (1) corresponding to the second air outlet (3), an indoor heat exchanger is arranged at the air inlet, a first induced air channel (8) is communicated between the shell side wall between the air outlet and the axial flow fan and at least one air outlet, and a second induced air channel (10) is formed in the shell side wall between the heat exchanger and the at least one axial flow fan. According to the air conditioner disclosed by the invention, the outlet air temperature is more suitable for human body feeling, and the comfort level of a human body when the air conditioner is used is improved.

Description

Air conditioner

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air conditioner.

Background

With the continuous development of science and technology, electronic technology has also gained rapid development, and the variety of electronic products is also more and more, and people also enjoy various conveniences brought by the development of science and technology. People can enjoy comfortable life brought by the development of science and technology through various types of electronic equipment. For example, electronic devices such as air conditioners have become an indispensable part of people's lives, and air conditioners are becoming more and more intelligent at present.

In the prior art, the indoor temperature and humidity can be controlled through an air conditioner in the prior art, and then a comfortable living environment is provided for a user. The air conditioner is refrigerating the in-process, generally can cause the air-out temperature lower, even the air-out temperature is comfortable temperature in fact, also can cause human body to feel the temperature lower, especially at the wobbling in-process of aviation baffle, the human body can feel suddenly cool suddenly hot, has further reduced the human experience in the use air conditioner process.

In an air conditioner, adopted a new air-out mode, introduced indoor air in the air-out position of fan, air after the heat exchanger heat transfer mixes with former indoor air for air-out after mixing is gentler, and the human impression that suits more, nevertheless because the air-out position of fan has introduced indoor air, will change the pressure differential of fan air inlet position and air-out position, leads to the pressure imbalance of fan air-out side, influences the air-out ability of air conditioner.

Disclosure of Invention

The invention aims to provide an air conditioner, which can balance the air inlet and outlet side pressures of a fan of the air conditioner and improve the air outlet capacity of the air conditioner.

According to one aspect of the invention, an air conditioner is provided, comprising a housing, an air inlet and an air outlet are arranged on the housing, the air outlet comprises a first air outlet positioned above and a second air outlet positioned below, a first axial flow fan is arranged in the housing corresponding to the first air outlet, a second axial flow fan is arranged in the housing corresponding to the second air outlet, an indoor heat exchanger is arranged at the air inlet, a first induced air channel is communicated between the housing side wall between the air outlet and the axial flow fan and at least one air outlet, a second induced air channel is arranged on the housing side wall between the heat exchanger and at least one axial flow fan, the second air inducing passage introduces indoor air located at least one side of the housing into the housing, and the air after heat exchange with the indoor heat exchanger is mixed and then is conveyed to the first axial fan and/or the second axial fan.

Preferably, the cross section of the first induced air channel is decreased progressively along the direction of the induced air.

Preferably, the first induced air channel is arc-shaped.

Preferably, a confluence notch is formed in the side wall, close to the air outlet, of the first induced air channel.

Preferably, an induced air pore plate is arranged at the second induced air channel, and a plurality of uniform flow holes are arranged on the induced air pore plate.

Preferably, the induced draft pore plate is a double-layer superposed plate, the induced draft pore plate comprises a first pore plate fixedly arranged with the shell and a second pore plate capable of moving relative to the first pore plate, the second pore plate is superposed on the first pore plate, and a driving mechanism for driving the second pore plate to move relative to the first pore plate is arranged between the first pore plate and the second pore plate.

Preferably, the first orifice plate and the second orifice plate are arc-shaped plates, and the second orifice plate is rotatably arranged relative to the first orifice plate along the arc-shaped bending direction.

Preferably, the first orifice plate and the second orifice plate are arc-shaped plates, the cross section of each arc-shaped plate is arc-shaped, the longitudinal section of each arc-shaped plate is rectangular, and the second orifice plate is slidably arranged relative to the first orifice plate along the longitudinal direction.

Preferably, the second air inducing port of the second air inducing channel is provided with an air inducing filter screen.

Preferably, the indoor heat exchanger comprises a first heat exchanger and a second heat exchanger which are arranged at intervals, the first heat exchanger is arranged between the air inlet and the first air outlet, and the second heat exchanger is arranged between the air inlet and the second air outlet.

The air conditioner comprises a shell, wherein an air inlet and an air outlet are formed in the shell, the air outlet comprises a first air outlet positioned above and a second air outlet positioned below, a first axial flow fan is arranged in the shell corresponding to the first air outlet, a second axial flow fan is arranged in the shell corresponding to the second air outlet, an indoor heat exchanger is arranged at the air inlet, an air inducing channel is communicated between the shell side wall between the air outlet and the axial flow fan and at least one air outlet, a second air inducing channel is arranged on the shell side wall between the heat exchanger and at least one axial flow fan, and the second air inducing channel introduces indoor air positioned on at least one side of the shell into the shell, mixes the air subjected to heat exchange with the indoor heat exchanger and then conveys the air to the first axial flow fan and/or the second axial flow fan. When the air conditioner works in a refrigerating mode, the high-wind-speed air supply of the axial flow fan can be utilized to form a negative pressure area around the air outlet, indoor air can be introduced to the air outlet from the first air inducing channel and is fully mixed with cold air blown out from the air outlet and then blown out, and the comfort degree of a human body when the air conditioner is used is improved. Meanwhile, due to the existence of the second induced air channel, when the axial flow fan rotates, indoor air can be introduced from the second induced air channel, so that the induced air volume can be further improved, the air outlet of the heat exchanger is mixed with the indoor air twice, the air outlet of the air conditioner is more comfortable, the pressure of the air inlet side and the air outlet side of the axial flow fan can be balanced, and the air outlet capacity of the air conditioner is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic front view of an air conditioner according to an embodiment of the present invention;

FIG. 2 is a schematic side view of an air conditioner according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of an air conditioner according to an embodiment of the present invention;

FIG. 4 is a schematic top sectional view of an air conditioner according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a first orifice plate of an air conditioner according to an embodiment of the present invention.

Description of reference numerals: 1. a housing; 2. a first air outlet; 3. a second air outlet; 4. a first axial fan; 5. a second axial fan; 6. a first heat exchanger; 7. a second heat exchanger; 8. an induced draft channel; 9. a confluence notch; 10. a second induced draft channel; 11. a flow equalizing hole; 12. a first orifice plate; 13. a second orifice plate; 14. an induced air filter screen; 15. a first air induction port; 16. an outlet; 17. and a second induced draft opening.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the methods, products and the like disclosed by the embodiments, the description is simple because the methods correspond to the method parts disclosed by the embodiments, and the related parts can be referred to the method parts for description.

In the figure, the dotted line arrow is the air inducing direction, and the solid line arrow is the air outlet direction.

Referring to fig. 1 to 5 in combination, according to an embodiment of the present invention, an air conditioner includes a housing 1, an air inlet and an air outlet are disposed on the housing 1, the air outlet includes a first air outlet 2 located above and a second air outlet 3 located below, a first axial fan 4 is disposed in the housing 1 corresponding to the first air outlet 2, a second axial fan 5 is disposed in the housing 1 corresponding to the second air outlet 3, an indoor heat exchanger is disposed at the air inlet, a first induced air channel 8 is communicated between a side wall of the housing 1 between the air outlet and the axial fan and at least one air outlet, a second induced air channel 10 is disposed on a side wall of the housing between the heat exchanger and at least one axial fan, the second air inducing channel 10 introduces indoor air located at least one side of the housing 1 into the housing 1, and the air after heat exchange with the indoor heat exchanger is mixed and then is conveyed to the first axial fan 4 and/or the second axial fan 5.

When the air conditioner works in a refrigerating mode, the high-wind-speed air supply of the axial flow fan can be utilized to form a negative pressure area around the air outlet, indoor air can be introduced to the air outlet from the first air inducing channel 8 and is fully mixed with cold air blown out from the air outlet and then blown out, and the comfort degree of a human body when the air conditioner is used is improved. Meanwhile, due to the existence of the second induced air channel 10, when the axial flow fan rotates, indoor air can be introduced from at least one side of the shell 1 through the second induced air channel 10, so that the air introduction amount can be further improved, the air outlet of the heat exchanger is respectively mixed with the indoor air twice before and after entering the axial flow fan, and the air outlet of the air conditioner is more comfortable.

Because the first induced air channel 8 and the second induced air channel 10 are respectively positioned at the air inlet side and the air outlet side of the axial flow fan, the pressure at the two ends of the axial flow fan can be better ensured to be balanced, the pressure at the air inlet side of the axial flow fan can be supplemented through the second induced air channel 10, the air supply capacity of the axial flow fan is further improved, and the air outlet capacity of the air conditioner is improved.

The first air inducing channel 8 forms a cavity at the inner side of the front panel, so that the air inducing effect can be enhanced. Meanwhile, according to the air supply characteristic of the axial flow fan, the air supply at the top end of the fan blade is spiral, and the air supply is rectified through the air supply duct, so that the original spiral air supply is weakened, but a slight spiral exists at the outlet of the corresponding first air induction channel 8, so that the air inducted at the two sides and the mechanical wind energy blown out by the axial flow fan are sufficiently mixed, the mixed flow effect is improved, the uniformity of the air outlet temperature is ensured, and the problem of over-cooling of the air supply temperature is avoided.

Because the air outlet of the axial flow fan is always mixed with the induced air at the first induced air channel 8, even if the swing angle of the air deflector is adjusted, the fluctuation of the air supply temperature caused by air supply is small, the temperature fluctuation during the angle adjustment of the air deflector can be reduced, and the use feeling of a human body is improved.

Preferably, the cross section of the first induced air channel 8 is gradually decreased along the induced air direction, so that the flow speed of the air led out from the first induced air channel 8 can be accelerated, the air speed of the air outlet is high, the air led out from the first induced air channel 8 can be better mixed with the air blown out from the air outlet, and the mixing effect is improved.

Preferably, the first air inducing channel 8 is arc-shaped, so that the fluency of air flowing can be improved, the flowing direction of air from the inlet to the outlet of the first air inducing channel 8 can be naturally changed, the resistance of air redirection in the first air inducing channel 8 is reduced, and the air inducing effect is improved. The first air guide duct 8 may be a conical tube or a cylindrical tube.

The side wall of the first induced air channel 8 close to the air outlet is provided with a confluence notch 9, the outlet of the first induced air channel 8 is communicated with the air outlet through the confluence notch 9, so that a negative pressure area can be better formed around the air outlet, and the negative pressure area can be better acted on the outlet of the first induced air channel 8, so that the first induced air channel 8 can have a better drainage effect. The air led out from the first air inducing channel 8 can be more easily intersected with the air at the air outlet at the confluence notch 9, and mixed air is blown out.

Preferably, the first induced air channels 8 are symmetrically arranged on two sides of the air outlet, so that on one hand, the induced air quantity can be improved, on the other hand, the induced air pressure on two sides of the air outlet can be balanced, and the air outlet balance of the air outlet can be improved.

In this embodiment, the both sides of first air outlet 2 and the both sides of second air outlet 3 all are provided with first induced air passageway 8, can all carry out the drainage to two air outlets, can increase the induced air volume by the maximum efficiency, and the induced air effect is more obvious.

Preferably, the area of the first air induction port 15 of the first air induction channel 8 is adjustable, the area of the first air induction port 15 of the first air induction channel 8 can be adjusted as required or the first air induction channel 8 is closed, and the air induction amount can be adjusted as required, so that the use requirements of users can be better met.

Preferably, the area ratio of the outlet of the first induced air channel 8 to the corresponding air outlet is 1:8 to 1:3, which can avoid that the cooling or heating effect of the air conditioner is affected by too large induced air amount of the first induced air channel 8, and can also avoid that the mixed regulation effect on the outlet air temperature cannot be achieved due to too small induced air amount.

In the present embodiment, an induced air pore plate is arranged at the second induced air channel 10, and a plurality of uniform flow holes 11 are arranged on the induced air pore plate. The flow equalizing holes 11 are multiple and are uniformly distributed on the surface of the induced draft pore plate, so that when indoor air enters the second induced draft channel 10, the air flow distribution is more uniform, and the induced draft effect is better. The air-inducing pore plate can be a single plate, only plays a role in inducing air to be divided, and can also be a multi-plate combination, so that the aim of adjusting the air quantity of the induced air is fulfilled.

In this embodiment, the air inducing pore plate is a double-layer superposed plate, the air inducing pore plate includes a first pore plate 12 fixedly arranged with the housing 1 and a second pore plate 13 movable relative to the first pore plate 12, the second pore plate 13 is superposed on the first pore plate 12, and a driving mechanism for driving the second pore plate 13 to move relative to the first pore plate 12 is arranged between the first pore plate 12 and the second pore plate 13. Preferably, the specification of the equalizing holes 11 on the first orifice plate 12 and the first orifice plate 13 are the same, and the arrangement mode is the same. Relative motion can take place between first orifice plate 12 and the first orifice plate 13, can adjust the relative position of the orifice of flow equalizing 11 of both through adjusting the relative position of both, and then realize the regulation to the draught area of first orifice plate 12 and second orifice plate 13. The air inducing design can increase the air inducing amount by utilizing the action of the axial flow fan, and can control the air inducing amount by controlling the area of the flow equalizing hole 11, thereby providing the optimal air outlet temperature and improving the thermal comfort of the human body. In this embodiment, when the holes 11 that flow equalize of double-deck induced air orifice plate are complete coincide, its induced air volume is the biggest, and when the hole that flow equalize of first orifice plate 12 and second orifice plate 13 misplaced completely, the induced air volume of second induced air passageway 10 department is 0, and the regulation control of induced air volume is more simple and convenient, and is more accurate to the regulation of air conditioner air-out temperature.

In one embodiment, the first orifice plate 12 and the second orifice plate 13 are arcuate plates, and the second orifice plate 13 is rotatably disposed with respect to the first orifice plate 12 along an arcuate direction. The driving mechanism at this moment is a driving motor, an arc-shaped rack can be arranged on the second orifice plate 13, a driving gear is arranged on the driving motor, and when the driving motor rotates, the driving gear drives the arc-shaped rack to move to drive the second orifice plate 13 to rotate along the arc-shaped bending direction relative to the first orifice plate 12, so that the air induction quantity of the second air induction channel 10 is adjusted.

In another embodiment, the first orifice plate 12 and the second orifice plate 13 are arc-shaped plates having an arc-shaped cross section and a rectangular longitudinal section, and the second orifice plate 13 is slidably disposed in the longitudinal direction with respect to the first orifice plate 12. The driving mechanism at this moment is a driving motor, a spur rack can be arranged on the second orifice plate 13, a driving gear is arranged on the driving motor, and when the driving motor rotates, the driving gear drives the spur rack to move to drive the second orifice plate 13 to slide along the length direction of the rack relative to the first orifice plate 12, so that the air induction quantity of the second air induction channel 10 is adjusted.

The drive mechanism may be a telescopic cylinder or the like.

The second induced air port 17 of the second induced air channel 10 can be further provided with an induced air filter screen 14, the induced air filter screen 14 can filter air entering the second induced air channel 10, and meanwhile, the air can be subjected to primary flow equalization through meshes of the filter screen, so that the air flow effect is improved.

When the air conditioner is used for refrigerating, the second induced air channel 10 can also mix indoor air with low-temperature air which exchanges heat through the heat exchanger in front of the axial flow fan to increase the temperature of the air, so that condensation of the axial flow fan is reduced, and the problem that the condensation of the axial flow fan in front of the heat exchanger blows water is avoided.

In this embodiment, the indoor heat exchanger includes a first heat exchanger 6 and a second heat exchanger 7 arranged at intervals, the first heat exchanger 6 is arranged between the air inlet and the first air outlet 2, and the second heat exchanger 7 is arranged between the air inlet and the second air outlet 3. First heat exchanger 6 and second heat exchanger 7 separately set up, and both independent control can blow off the air of different temperatures from two air outlets, can carry out different regulation to indoor upper and lower temperature as required, have improved indoor temperature control's flexibility for indoor temperature control is more diversified.

First air inducing channels 8 can be arranged between the first air outlet 2 and the first axial fan 4 and between the second air outlet 3 and the second axial fan 5, and second air inducing channels 10 can be arranged between the first axial fan 4 and the first heat exchanger 6 and between the second axial fan 5 and the second heat exchanger 7, and can be specifically arranged as required.

In the use process of the air conditioner, when the air conditioner is in a refrigerating state, the air flow of the air is influenced by the mechanical wind at the air outlet in the circulating process of flowing from bottom to top, so that the air flows at two sides of the air outlet of the air conditioner flow to two sides, the pressure at the inlet of the first induced air channel 8 is higher, and the induced air function is more favorably realized.

It is to be understood that the present invention is not limited to the procedures and structures described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. An air conditioner is characterized by comprising a shell (1), wherein an air inlet and an air outlet are arranged on the shell (1), the air outlet comprises a first air outlet (2) positioned above and a second air outlet (3) positioned below, a first axial flow fan (4) is arranged in the shell (1) corresponding to the first air outlet (2), a second axial flow fan (5) is arranged in the shell (1) corresponding to the second air outlet (3), an indoor heat exchanger is arranged at the air inlet, a first induced air channel (8) is communicated between the shell side wall between the air outlet and the axial flow fan and at least one air outlet, a second induced air channel (10) is arranged on the shell side wall between the heat exchanger and at least one axial flow fan, and the second induced air channel (10) introduces indoor air positioned on at least one side of the shell (1) into the shell (1), and the air after heat exchange with the indoor heat exchanger is mixed and then is conveyed to the first axial fan (4) and/or the second axial fan (5).

2. Air conditioner according to claim 1, characterized in that the cross section of the first induced air channel (8) decreases in the direction of the induced air.

3. The air conditioner according to claim 1, wherein a confluence notch (9) is formed on a side wall of the first induced air channel (8) close to the air outlet.

4. The air conditioner according to any one of claims 1 to 3, wherein an induced draft hole plate is provided at the second induced draft channel (10), and a plurality of equalizing holes (11) are provided on the induced draft hole plate.

5. The air conditioner according to claim 4, wherein the air inducing pore plate is a double-layer superimposed plate, the air inducing pore plate comprises a first pore plate (12) fixedly arranged with the shell (1) and a second pore plate (13) capable of moving relative to the first pore plate (12), the second pore plate (13) is superposed on the first pore plate (12), and a driving mechanism for driving the second pore plate (13) to move relative to the first pore plate (12) is arranged between the first pore plate (12) and the second pore plate (13).

6. The air conditioner according to claim 5, wherein the first orifice plate (12) and the second orifice plate (13) are arc-shaped plates, and the second orifice plate (13) is rotatably disposed in an arc-shaped bending direction with respect to the first orifice plate (12).

7. The air conditioner according to claim 5, wherein the first orifice plate (12) and the second orifice plate (13) are arc-shaped plates having an arc-shaped cross section and a rectangular longitudinal section, and the second orifice plate (13) is slidably disposed in a longitudinal direction with respect to the first orifice plate (12).

8. Air conditioner according to claim 4, characterized in that the second air induction opening (17) of the second air induction channel (10) is provided with an air induction screen (14).

9. The air conditioner according to claim 1, wherein the indoor heat exchanger comprises a first heat exchanger (6) and a second heat exchanger (7) which are arranged at intervals, the first heat exchanger (6) is arranged between the air inlet and the first air outlet (2), and the second heat exchanger (7) is arranged between the air inlet and the second air outlet (3).