CN114087666A - Air conditioner - Google Patents

Abstract

The invention belongs to the technical field of air conditioning, and particularly discloses an air conditioner, which comprises: the heat exchanger comprises a hollow cabinet body and a plate type indoor heat exchanger arranged in the hollow cabinet body, wherein a heat exchange main body of the heat exchanger comprises a plurality of heat exchange tubes which are arranged in parallel; the plurality of heat exchange tubes are arranged between the left cabinet plate and the right cabinet plate, and two ends of each heat exchange tube are respectively connected to the front cabinet plate and the rear cabinet plate; each heat exchange tube is provided with a bent part, a first heat exchange part and a second heat exchange part, wherein the first heat exchange part and the second heat exchange part extend reversely from two ends of the bent part and are respectively connected to the front cabinet plate and the rear cabinet plate; the length of the first heat exchange part is smaller than that of the second heat exchange part, and the position of the first heat exchange part connected to the front cabinet plate is lower than the position of the second heat exchange part connected to the rear cabinet plate. The air conditioner has the advantages of high heat exchange efficiency and high refrigeration efficiency, and can reduce the size of the whole air conditioner and reduce or even eliminate the condensation phenomenon.

Description

Air conditioner

Technical Field

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

Background

At present, for example, an air conditioner such as a cabinet air conditioner generally adopts a straight-plate type parallel flow evaporator included in an indoor heat exchanger of the air conditioner to be obliquely placed on the upper part of a hollow cabinet body, centrifugal blades are arranged on the lower part of the hollow cabinet body, fins of the evaporator vertically extend from the upper part to the lower part of the hollow cabinet body, a water receiving tray is arranged at the position vertically below the fins, and condensed water flows into the water receiving tray along the fins of the evaporator and is discharged through a water discharge pipe. When the existing cabinet air conditioner operates in a refrigerating mode, the centrifugal fan blades suck air from the lower portion of the hollow cabinet body and supply the air to the upper portion, and cool air is blown out of the air outlet after heat exchange is carried out through the evaporator. The evaporator is obliquely arranged in a straight plate manner, so that the evaporator needs to occupy a larger internal space of the hollow cabinet body, the overall size of the cabinet air conditioner is increased, and in order to ensure the oblique supporting force on the evaporator, a supporting frame which is respectively abutted against the hollow cabinet body and the evaporator needs to be arranged at the middle position of the evaporator, and the supporting frame is positioned in the direction that cold air is blown out towards the air outlet, so that the heat exchange area utilization rate of the evaporator is reduced; in the evaporimeter to the upper air supply in-process, the first half heat transfer area utilization ratio of evaporimeter is great, heat exchange efficiency is higher, but the latter half heat transfer area utilization ratio is little, heat exchange efficiency is lower, thereby the holistic heat exchange efficiency of evaporimeter has been reduced, and, because the cold air stroke is longer promptly the cold wind section is longer, lead to producing the backward flow in the internal portion of cavity cabinet easily, not only bring adverse effect for refrigeration effect, still because cold and hot air can be at the display, the contact of air-out panel department makes and produces the condensation in display and air-out panel department easily, use to bring for the user and for example influence the display content who observes the display, the condensation drips in indoor waiting bad experience.

Disclosure of Invention

Based on the above, aiming at the prior art, the technical problem to be solved by the invention is to provide an air conditioner which has high heat exchange efficiency and high refrigeration efficiency, can reduce the size of the whole air conditioner, and can reduce or even eliminate the condensation phenomenon.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

as an object of the present invention, the present invention provides an air conditioner including: the heat exchanger comprises a hollow cabinet body and an indoor heat exchanger arranged in the hollow cabinet body, wherein the hollow cabinet body comprises a front cabinet plate and a rear cabinet plate which are opposite, and a left cabinet plate and a right cabinet plate which are opposite; the heat exchange tubes are arranged between the left cabinet plate and the right cabinet plate of the hollow cabinet body, and two ends of each heat exchange tube are respectively connected to the front cabinet plate and the rear cabinet plate; each heat exchange tube is provided with a bent part, a first heat exchange part and a second heat exchange part, wherein the first heat exchange part and the second heat exchange part extend reversely from two ends of the bent part; the length of the first heat exchange part is smaller than that of the second heat exchange part, and the position of the first heat exchange part connected to the front cabinet plate is lower than the position of the second heat exchange part connected to the rear cabinet plate.

Further optionally, a plurality of fins arranged in parallel are arranged in the plurality of heat exchange tubes in a penetrating manner; the fins extend obliquely between the left cabinet plate and the right cabinet plate; the position of the fin on the left cabinet plate of the shell is higher than that of the fin on the right cabinet plate; and a water receiving tray which can lead out the condensed water on the fins is arranged on the right cabinet plate, so that the condensed water flows into the water receiving tray along the extending direction of the fins of the indoor heat exchanger.

Further optionally, the indoor heat exchanger is a plate heat exchanger; an included angle of 30-150 degrees is formed between the first heat exchanging part and the second heat exchanging part.

Further optionally, the air outlet has been seted up on preceding cabinet board, and first heat transfer portion is including the first end that adjoins preceding cabinet board, and second heat transfer portion is including the second end that adjoins rear cabinet board, and first end is located the lower extreme of air outlet, and second heat transfer portion is located the air outlet rear and is relative with the air outlet.

Further optionally, the plurality of fins are arranged along the extending direction of the heat exchange tube, and the plurality of fins include a plurality of first fins, a plurality of second fins and a plurality of third fins which are respectively perpendicular to the first heat exchanging portion, the second heat exchanging portion and the bending portion.

Further optionally, the indoor heat exchanger includes the second sideboard that sets up respectively in the first sideboard of the first end of first heat transfer portion and the second end of second heat transfer portion, and the both ends of first sideboard respectively with left cabinet board and right cabinet board fixed connection, second sideboard and back cabinet board fixed connection.

Further optionally, a display device is arranged on the outer side of the front cabinet plate, and a wind shield is arranged on the inner side of the front cabinet plate and located between the display device and the first heat exchange portion.

Further optionally, the wind deflector is fixedly connected to the first side plate, and a sealing member is disposed between the wind deflector and the first side plate.

Further optionally, the indoor heat exchanger further comprises a connecting pipe, a groove is formed in the water receiving tray, one end of the connecting pipe is communicated with the groove, and the other end of the connecting pipe is communicated with the outside of the hollow cabinet.

Further optionally, a connecting line of the lowest positions of the heat exchange tubes forming the bent portions is a straight line extending between the left cabinet plate and the right cabinet plate, and the included angle between the straight line and the horizontal plane is 20-90 °.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the method comprises the following steps: the heat exchange area of the indoor heat exchanger of the air conditioner can be increased, and the structural space utilization rate is increased; II, secondly: compared with the existing vertical extension, the fins of the indoor heat exchanger extend horizontally, and condensed water can smoothly flow into the water receiving tray along the fins to be discharged under the condition that the indoor heat exchanger is integrally obliquely arranged; thirdly, the method comprises the following steps: the cold air section moves upwards, so that the influence on refrigeration efficiency caused by backflow due to overlong cold air stroke is avoided; fourthly, the method comprises the following steps: because the two sides of the display device of the air conditioner provided with the indoor heat exchanger are both hot air, the temperature difference between the two sides is reduced, and the display device is prevented from being damaged due to condensation caused by the temperature difference.

Drawings

In order that the present disclosure may be more readily and clearly understood, the following detailed description of the present disclosure is provided in connection with specific embodiments thereof, which are included in the accompanying drawings, and the description of which is intended to illustrate and not limit the present disclosure, wherein:

FIG. 1 is a side view of an indoor heat exchanger of an air conditioner according to the present invention;

fig. 2 is a front view illustrating an installation state of an indoor heat exchanger in the air conditioner according to the present invention;

FIG. 3 is a side cross-sectional view of the air conditioner of the present invention;

FIG. 4 is an assembled view of the air conditioner of the present invention;

FIG. 5 is a front view of the air conditioner of the present invention;

the reference numbers in the figures denote:

10-indoor heat exchanger; 11-heat exchange tubes; 111-a bending section; 112-a first heat exchanging portion; 113-a second heat exchanging portion; 12-a fin; 13-a first sideboard; 14-a second sideboard; 20-a hollow cabinet body; 21-front cabinet plate; 211-an air outlet; 22-rear cabinet panel; 23-left cabinet panel; 24-right cabinet panel; 30-a water pan; 31-a groove; 40-a display device; 50-wind shield; 60-a drain pipe; 70-volute.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, as an object of the present invention, an embodiment of the present invention provides an air conditioner, such as a cabinet air conditioner, comprising a hollow cabinet 20 and an indoor heat exchanger 10 disposed in the hollow cabinet 20, the indoor heat exchanger 10 being regarded as being equivalent to an evaporator, the hollow cabinet 20 comprising opposite front and rear cabinet panels 21 and 22 and opposite left and right cabinet panels 23 and 24, it being known that the hollow cabinet 20 further comprises a top cabinet panel (not shown) and a bottom cabinet panel (not shown) each fixedly connected to the front, rear, left and right cabinet panels 21, 22, 23 and 24, respectively, that is, the hollow cabinet 20 is in a hollow rectangular shape, the indoor heat exchanger 10 is in a plate type, a heat exchange body thereof comprises a plurality of heat exchange tubes 11 arranged in parallel, it being noted that each heat exchange tube 11 is provided as a pair of parallel tubes folded back, the copper tubing is typically round so that a fluid circuit is formed in each heat exchange tube 11, and thus the present invention has been described with a pair of parallel copper tubing as a whole as a heat exchange tube 11. A plurality of heat exchange tubes 11 are disposed between the left cabinet plate 23 and the right cabinet plate 24 of the hollow cabinet 20, and two ends of each heat exchange tube 11 are connected to the front cabinet plate 21 and the rear cabinet plate 22, respectively, it should be understood that the connection between two ends of the heat exchange tube 11 may be, for example, a first end of the first heat exchanging portion is indirectly fixed to the left cabinet plate and the right cabinet plate through the first side plate so as to be indirectly connected to the front cabinet plate in an abutting manner, or a second end of the second heat exchanging portion is directly fixed to the rear cabinet plate through the second side plate so as to be directly connected to the rear cabinet plate in an abutting manner (as further described below), and therefore, the connection between two ends of the heat exchange tube 11 includes both direct connection and indirect connection and both of two ends are abutted against the corresponding cabinet plates. Each heat exchange tube 11 is formed with a bending part 111 and a first heat exchanging part 112 and a second heat exchanging part 113 extending from both ends of the bending part 111 in opposite directions, preferably, the first heat exchanging part 112 and the second heat exchanging part 113 are tangent to the bending part 111 at the connection part with the bending part 111, respectively, the first heat exchanging part 112 is connected to the front cabinet plate 21, the second heat exchanging part 113 is connected to the rear cabinet plate 22, the first heat exchanging part 112, the bending part 111, and the second heat exchanging part 113 make the heat exchange main body form a windward heat exchange surface protruding to the lower part of the hollow cabinet body, in addition, it should be added that the respective ends of the two opposite heat exchanging parts are a bending end and a liquid inflow and outflow end, the bending direction of the bending part 111 relative to the outflow direction of the external air entering the hollow cabinet body through the indoor heat exchanger 10 can ensure that the external air passes through each heat exchange tube 11 once to complete heat exchange, thereby avoiding the heat exchange efficiency reduction caused by more than twice passing through each heat exchange tube 11, therefore, the specific bending angle of the bending portion 111, i.e. the included angle between the first heat exchanging portion 11 and the second heat exchanging portion 113, can be determined according to specific conditions and processes, and can ensure that the external air passes through each heat exchanging tube 11 only once to achieve the heat exchanging effect. The length of the first heat exchanging part 112 is smaller than that of the second heat exchanging part 113, and the position where the first heat exchanging part 112 is connected to the front cabinet panel 21 is lower than the position where the second heat exchanging part 113 is connected to the rear cabinet panel 22, that is, the indoor heat exchanger 10 is obliquely arranged between the left and right cabinet panels 23 and 24 in a left-high and right-low manner. As described above, by providing the heat exchange tubes 11 of the indoor heat exchanger 10 disposed in the air conditioner each with one bent portion 111, the outer shape length of each heat exchange tube 11 can be reduced while ensuring a sufficient effective length (i.e., an expanded length), that is, a reduction in the outer shape length can be obtained by making the size of the indoor heat exchanger 10 large in terms of the thickness through which the outside air flows. Thus, when the indoor heat exchanger 10 is installed in the air conditioner in an inclined manner, the in-machine space (i.e., the space above the indoor heat exchanger 10) can be utilized more than that of the straight plate type evaporator of the prior art, thereby contributing to the reduction of the thickness and height dimensions of the air conditioner, and further reducing the overall dimensions of the air conditioner, and further, in the state where the indoor heat exchanger 10 is installed in an inclined manner, the indoor heat exchanger 10 can be fixed at each end of the two opposite heat exchanging parts, thereby eliminating the need for a support frame in the prior art, thus improving the heat exchanging area utilization rate of the indoor heat exchanger 10, and further, when the indoor heat exchanger 10 is installed near the air outlet 211 (see fig. 3), the heat exchanging area utilization rates of both sides of the bent part 111 of each heat exchanging pipe 11 are high, so that the heat exchanging efficiency of the entire indoor heat exchanger 10 is high, and the adoption of the design of the bent part 111 is equivalent to raising the entire indoor heat exchanger 10 toward the air outlet 211, when the air conditioner operates in a refrigerating mode, the cold air section is moved upwards, so that the cold air section is shortened, backflow caused by too long cold air stroke can be avoided, and refrigerating efficiency is improved.

Referring further to fig. 1 and 2, it is preferable that a plurality of heat exchange tubes 11 are perforated with a plurality of fins 12 arranged in parallel, and fig. 1 shows a bent portion 111, a first heat exchanging portion 112, a second heat exchanging portion 113, and each of the fins 12 perforated through each of the heat exchange tubes 11, and it should be noted that fig. 1 shows only an exemplary interval between the fins 12, but in actual cases, the interval between the fins 12 is much smaller than the interval shown in fig. 1. The fins 12 extend obliquely between the left cabinet plate 23 and the right cabinet plate 24, the position of the fins 12 on the left cabinet plate 23 is higher than the position of the fins on the right cabinet plate 24 in the shell, a water pan 30 capable of guiding out condensed water on the fins 12 is arranged on the right cabinet plate 24, and the condensed water flows into the water pan 30 along the extending direction of the fins 12 of the indoor heat exchanger 10. In this way, by setting a proper inclination angle at which the entire indoor heat exchanger 10 is obliquely placed in the hollow cabinet 20, it is possible to cause the condensed water to flow into the water receiving tray 30 provided on the right cabinet plate along the extending direction of the fins 12 in the gravity direction, and then to be discharged through the drain pipe 60, thereby facilitating the condensed water to be reliably and quickly discharged.

Preferably, the indoor heat exchanger 10 is a plate heat exchanger, an included angle of 30 to 150 degrees is formed between the first heat exchanging portion 112 and the second heat exchanging portion 113, and the specific value of the included angle can be determined according to the required heat exchanging area of the indoor heat exchanger 10, the size of the hollow cabinet 20, the tooling process requirements and the like, so that the overall size of the indoor heat exchanger 10 can be reduced, and meanwhile, higher heat exchanging efficiency and higher refrigerating efficiency can be obtained.

More specifically, the front cabinet panel 21 is provided with an air outlet 211, the first heat exchanging portion 112 and the second heat exchanging portion 113 include a first end and a second end respectively adjacent to the front cabinet panel 21 and the rear cabinet panel 22, and the first end is located at the lower end of the air outlet 211, that is, the first end is close to the lower edge of the air outlet 211 on the front cabinet panel 21, since the air outlet 211 is generally rectangular, the first end is close to the lower rectangular edge of the rectangular opening, and the second heat exchanging portion 113 is located behind the air outlet 211 and opposite to the air outlet 211, or it can be said that the second end of the second heat exchanging portion 113 is higher than the lower edge of the air outlet 211 and is preferably approximately flush with the upper edge of the air outlet 211, so that when the air conditioner is in the cooling mode, the indoor air enters the interior through the air inlet panel on the hollow cabinet 20, is driven by the fan to be blown upwards from 70, and the hot air passes through the indoor heat exchanger 10 to exchange heat, the temperature is lowered and the air becomes cool air which is blown into the room through the air outlet 211 from the air outlet panel at the air outlet 211. Compared with the straight-plate evaporator in the prior art, the length direction of the straight-plate evaporator is longer, and the distance between the farthest end of the straight-plate evaporator and the air outlet is longer relative to the air outlet, each heat exchange tube of the indoor heat exchanger 10 adopted by the air conditioner is provided with the bent part 111, so that the first end, which is equivalent to the farthest end of the indoor heat exchanger 10 relative to the air outlet 211, is closer to the air outlet 211, and air can enter the room through a shorter distance after heat exchange, and therefore, because the distance between the first end and the air outlet 211 is shorter, cold air flowing through the vicinity of the first end can directly enter the room through the air outlet 211 through a short cold air stroke, heat loss caused by backflow in the air conditioner is avoided, and the refrigeration effect is further reduced.

Preferably, the plurality of fins 12 are arranged along the extending direction of the heat exchange tubes 11, and the plurality of fins 12 include a first fin, a second fin and a third fin which are all a plurality of and are respectively perpendicular to the first heat exchanging portion 112, the second heat exchanging portion 113 and the bending portion 111, for example, when the indoor heat exchanger is produced, each fin is bent after passing through each heat exchange tube 11, and the first heat exchanging portion 112, the second heat exchanging portion 113 and the bending portion 111 are formed after the bending process, and the distance between the fins 12 is determined according to actual conditions, since the fins can increase the heat exchanging area, if the distance between the fins is too large, the heat exchanging effect will be deteriorated, and if the distance is too small, the circulation of the external air will be deteriorated, in the present invention, the distance between the fins is set to be 1.3mm, it is ensured that both a better heat exchanging effect is obtained, and resistance loss of the air flow when the external air flows through each fin is reduced, so that the circulation is smoother, therefore, the vertical arrangement and the interval arrangement of the fins not only realize better flow guiding effect, but also enable the indoor heat exchanger 10 to obtain sufficient heat exchange, thereby improving the heat exchange efficiency. In this way, each heat exchanging portion and the bent portion 111 can exchange heat with the external air flow in a good manner by increasing the area through the plurality of fins. In addition, the shape of the heat exchange pipe 11 may be, for example, hook-shaped, L, V, W or other curved shapes, and thus, various curved shapes, especially hook-shaped curved shapes, can ensure that not only the space inside the air conditioner is used more to reduce the overall size of the air conditioner, but also more air conditioners equipped with the indoor heat exchangers 10 can be loaded per unit container during transportation, that is, the container capacity is increased. In the gravity direction, because the water pan 30 for receiving the condensed water dropped from each fin 12 is fixed at the right cabinet plate 24, the water pan 30 can be directly fixed on the right cabinet plate 24 or both ends of the water pan can be respectively fixed with the front cabinet plate 21 and the rear cabinet plate 22, therefore, the indoor heat exchanger 10 is integrally arranged inside the air conditioner in a manner of inclining in the vertical direction and the horizontal direction, namely, in a manner of inclining relative to the rear cabinet plate 22 and the bottom cabinet plate, so that the condensed water can conveniently flow into the water pan 30 located at the corresponding right side plate along each fin 12. In addition, in the refrigeration mode, a straight-plate evaporator is adopted for the existing air conditioner, cold air after heat exchange of the existing evaporator is contacted with the inner side of the display device, indoor hot air is contacted with the outer side of the display device, and condensation is easily generated at the display device due to mutual heat transfer and contact of the cold air and the hot air; when the display device 40 is disposed at the position below the air outlet 211 on the outer side of the front cabinet panel 21 of the air conditioner of the present invention and the first heat exchanging portion 112 is opposite to the display device 40 (please refer to fig. 3), because the heat exchanging pipe 11 is obliquely bent toward the air outlet 211 at the rear end of the lower portion of the hollow cabinet 20, the cooling air section of the whole air conditioner moves upward, so that the cooling air is concentrated at the upper portion of the air conditioner, the indoor return air is contacted with the inner side of the display device 40, and the temperature difference between the left and right sides of the display device 40 is small, thereby reducing the condensation phenomenon. Moreover, since the bent portion 111 is provided with one bent portion 111, the inconvenience of the operation caused by the need of bending the heat exchange tube 11 for multiple times when the bent portion 111 is more than two is avoided, and the lengths of the first heat exchanging portion 112 and the second heat exchanging portion 113 on the two sides of each bent portion 111 are different, so that the cold air section is conveniently moved upwards, which is particularly beneficial to fixing the two opposite ends of each hook-shaped curved heat exchange tube 11 with the hollow cabinet body 20, not only can the support frame be omitted, thereby reducing the cost, but also the heat exchange efficiency is improved, the installation size is reduced, and the problem of condensation is solved.

Referring further to fig. 4 and 5, preferably, the indoor heat exchanger 10 includes a first side plate 13 disposed at a first end of the first heat exchanging portion 112 and a second side plate 14 disposed at a second end of the second heat exchanging portion 113, and both ends of the first side plate 13 are fixedly connected to the left cabinet plate 23 and the right cabinet plate 24, respectively, and the second side plate 14 is fixedly connected to the rear cabinet plate 22, and the first side plate 13 and the second side plate 14 are fixedly connected to the lower side plate and the upper side plate of the hollow cabinet 20, for example, by screwing a plurality of screws through corresponding holes formed in the first side plate 13 and the second side plate 14 and corresponding screw holes formed in the left cabinet plate 23, the right cabinet plate 24, and the rear cabinet plate 22, so that the indoor heat exchanger 10 can be stably fixed in the hollow cabinet 20 in an inclined manner by fixing the indoor heat exchanger 10 by using the first side plate 13 and the second side plate 14, the support frame in the prior art is avoided, and the heat exchange area utilization rate and the cost of the indoor heat exchanger 10 are increased.

Preferably, the display device 40 such as a liquid crystal display is disposed on the outer side of the front cabinet panel 21, and the wind shield 50 is disposed at a position between the display device 40 and the first heat exchanging portion 112 on the inner side of the front cabinet panel 21, it can be known that the first end of the first heat exchanging portion 112 is close to the air outlet 211, and therefore, compared to the case where the first heat exchanging portion 112 is opposite to the display device 40, by disposing the wind shield 50 between the first heat exchanging portion 112 and the display device 40, the wind shield 50 can prevent cold air passing through the indoor heat exchanger 10 from flowing to the display device 40, thereby further ensuring that a temperature difference between the left and right sides of the display device 40 is small, and further reducing the occurrence of a condensation phenomenon.

Preferably, the wind deflector 50 and the first side plate 13 may be fixedly connected by, for example, a screw fixing method, so as to facilitate the fixed installation of the wind deflector 50, and a sealing member such as a sponge is disposed between the wind deflector 50 and the first side plate 13, so as to enhance the sealing property and prevent the cold air from flowing around the display device 40 through the gap between the wind deflector 50 and the first side plate 13 to cause condensation.

Referring to fig. 3, preferably, the indoor heat exchanger 10 further includes a connecting pipe (not shown), the water pan 30 is provided with a groove 31, one end of the connecting pipe is connected to the groove 31, and the other end is connected to the hollow cabinet 20, so that the connecting pipe passes through the groove 31 to connect the indoor unit and the outdoor unit inside and outside the hollow cabinet 20, thereby simplifying reliable connection between the inside and the outside of the hollow cabinet 20.

Referring further to fig. 2, it is preferable that a line of the lowest position of each heat exchange tube 11 forming the bent portion 111 is a straight line extending between the left and right cabinet panels 23 and 24, and the angle between the straight line and the horizontal plane is 20 ° to 90 °, theoretically, the larger the angle of the angle, the better the water receiving effect on the condensed water, but due to structural limitations, the larger the angle, the smaller the space in which the indoor heat exchanger 10 can be disposed, the smaller the heat exchange area. The specific numerical value of this contained angle needs to be confirmed according to indoor heat exchanger 10 heat transfer area and the size of the hollow cabinet body 20, in addition, through the repeated experiment of inventor, when the contained angle minimum is set to 20, can make things convenient for the comdenstion water landing better, when the contained angle maximum is set to 90, the comdenstion water drainage effect is better, consequently, when setting above-mentioned contained angle to 20 to 90, can ensure that the comdenstion water is reliable and deposit and flow to near right cabinet board 24 side from the one side that is more close to left cabinet board 23 seldom, can make the whole hollow cabinet body 20 inner space's that occupies of indoor heat exchanger 10 under the tilt state volume minimum again, thereby obtain heat transfer area as far as possible when further reducing the whole size of air conditioner.

In addition, as an additional explanation, the above description has been made with the case where the bent portion 111 is one, for the case that the number of the bending parts is two or more, it can be referred to for practical implementation, for example, when the number of the bending parts is two or more, the heat exchange tube between the two bent portions closest to the two opposite heat exchange portions extends in the same overall direction, and preferably, each bending part is tangent to the same plane, and the projection of each bending part on the horizontal plane has no overlapping part, or each bending part is basically distributed on the pipe diameter central line at each tail end of two opposite heat exchanging parts, therefore, the bending angle of the bending direction of each bending part relative to the outflow direction of the external air can ensure that the external air only passes through each heat exchange tube 11 once to complete heat exchange, and the reduction of the heat exchange efficiency caused by the fact that the external air passes through each heat exchange tube 11 more than twice is avoided.

The relative arrangement of the components set forth in these embodiments does not limit the scope of the invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An air conditioner, comprising:

the heat exchanger comprises a hollow cabinet body and an indoor heat exchanger arranged in the hollow cabinet body, wherein the hollow cabinet body comprises a front cabinet plate and a rear cabinet plate which are opposite, and a left cabinet plate and a right cabinet plate which are opposite, the indoor heat exchanger is a plate type heat exchanger, and a heat exchange main body of the indoor heat exchanger comprises a plurality of heat exchange tubes which are arranged in parallel;

the plurality of heat exchange tubes are arranged between the left cabinet plate and the right cabinet plate, and two ends of each heat exchange tube are respectively connected to the front cabinet plate and the rear cabinet plate;

each heat exchange tube is provided with a bent part, a first heat exchange part and a second heat exchange part, wherein the first heat exchange part and the second heat exchange part extend reversely from two ends of the bent part;

the length of the first heat exchange part is smaller than that of the second heat exchange part, and the position of the first heat exchange part connected to the front cabinet plate is lower than the position of the second heat exchange part connected to the rear cabinet plate.

2. The air conditioner according to claim 1,

a plurality of fins which are arranged in parallel are arranged in the plurality of heat exchange tubes in a penetrating way;

the fin extends obliquely between the left cabinet plate and the right cabinet plate;

the position of the fin on the left cabinet plate of the shell is higher than that of the fin on the right cabinet plate;

and a water receiving tray capable of guiding out the condensed water on the fins is arranged on the right cabinet plate, so that the condensed water flows into the water receiving tray along the extending direction of the fins of the indoor heat exchanger.

3. The air conditioner according to claim 1,

the indoor heat exchanger is a plate heat exchanger;

an included angle of 30-150 degrees is formed between the first heat exchanging part and the second heat exchanging part.

4. The air conditioner according to claim 1,

the air outlet has been seted up on the preceding cabinet board, first heat transfer portion is including abutting on the first end of preceding cabinet board, second heat transfer portion is including abutting on the second end of back cabinet board, first end is located the lower extreme of air outlet, second heat transfer portion is located the air outlet rear and with the air outlet is relative.

5. The air conditioner according to claim 2,

the fins are arranged along the extending direction of the heat exchange tube and comprise a plurality of first fins, a plurality of second fins and a plurality of third fins, wherein the first fins, the second fins and the third fins are all vertical to the first heat exchanging part, the second heat exchanging part and the bent part respectively.

6. The air conditioner according to claim 1,

the indoor heat exchanger comprises a first side plate and a second side plate, wherein the first side plate is arranged at the first end of the first heat exchanging part, the second side plate is arranged at the second end of the second heat exchanging part, the two ends of the first side plate are fixedly connected with the left cabinet plate and the right cabinet plate respectively, and the second side plate is fixedly connected with the rear cabinet plate.

7. The air conditioner according to claim 6,

the display device is arranged on the outer side of the front cabinet plate, and a wind shield is arranged at a position, between the display device and the first heat exchange portion, on the inner side of the front cabinet plate.

8. The air conditioner according to claim 7,

the wind deflector is fixedly connected to the first side plate, and a sealing member is disposed between the wind deflector and the first side plate.

9. The air conditioner according to claim 2,

the indoor heat exchanger further comprises a connecting pipe, a groove is formed in the water receiving disc, one end of the connecting pipe is communicated with the groove, and the other end of the connecting pipe is communicated to the outside of the hollow cabinet body.

10. The air conditioner according to claim 5,

each heat exchange tube forms a connecting line of the lowest position of the bending part and is a straight line segment extending between the left cabinet plate and the right cabinet plate, and the included angle between the straight line segment and the horizontal plane is 20-90 degrees.

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