CN218820681U - Window type air conditioner - Google Patents

Abstract

The utility model provides a window type air conditioner, which comprises a chassis, an outdoor heat exchange component and an indoor heat exchange component; the indoor heat exchange assembly comprises an air duct shell, an indoor heat exchanger and a hollow part. Air inlets communicated with the air channel cavity are formed in the air channel shell corresponding to the two accommodating spaces, so that air in the accommodating spaces can enter the air channel cavity through the air inlets. The hollow parts are fixed on the end plates and the air duct shell, and enclose and seal the accommodating space; the periphery of the hollowed-out piece is provided with hollowed-out holes communicated with the containing space. When the indoor heat exchanger works, air in an indoor environment can enter the accommodating space through the hollow holes and exchanges heat with the heat exchange tubes at two ends of the end plate in the accommodating space, and the air in the accommodating space enters the air channel cavity from the air inlet after exchanging heat and can be discharged from the air outlet. Therefore, the heat exchange area can be increased and the heat exchange efficiency can be improved under the condition that the size of the indoor heat exchanger is not increased.

Description

Window type air conditioner

Technical Field

The utility model relates to a household electrical appliances technical field, in particular to window formula air conditioner.

Background

The window type air conditioner is installed at a window of a wall body and used for refrigerating or heating indoor environment. The window type air conditioner is internally provided with an air duct cavity and an indoor heat exchanger. And an indoor fan is arranged in the air duct cavity to drive the air flow of the indoor environment to enter the air duct cavity from the indoor side air inlet for heat exchange, and then the air flow after heat exchange is blown out to the indoor side from the indoor side air outlet to realize refrigeration or heating. In the process of refrigerating or heating by the indoor heat exchanger, the generated heat or cold is transferred to the outdoor unit, and the cold or heat is released to the external environment through the outdoor unit.

With the popularization of window air conditioners, the requirements of users for the energy consumption of the window air conditioners are higher and higher, the energy-saving and carbon-reducing effects of the low-energy-consumption household appliances are realized, and the design policy of the current national green household appliances is also met. The air conditioner heat exchanger properly increases the heat exchange area, and the effect of improving the performance and the energy efficiency index of the whole machine and reducing the energy consumption of the air conditioner is very obvious. In the window type air conditioner heat exchanger structure in the related art, heat exchange tubes at two ends of an indoor heat exchanger pipeline are exposed outside metal plate end plates at two ends of the heat exchanger, the exposed heat exchange tubes at the two ends are positioned outside a closed air channel formed by the metal plate end plates and an air channel structural member, no indoor fan circulating air quantity passes through, and the heat exchange tubes exposed at two ends of the heat exchanger have poor convection strengthening and heat exchange effects.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a window formula air conditioner to increase heat transfer area under the condition that does not increase the heat exchanger size, improve heat exchange efficiency.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to one aspect of the present invention, the present invention provides a window type air conditioner, comprising a chassis, an outdoor heat exchange assembly fixed on the chassis, and an indoor heat exchange assembly fixed on the chassis; the outdoor heat exchange assembly is used for exchanging heat with an outdoor environment so as to provide cold or heat for the indoor heat exchange assembly; the indoor heat exchange assembly is used for exchanging heat with an indoor environment so as to refrigerate or heat the indoor environment; the indoor heat exchange assembly comprises an air duct shell, an indoor heat exchanger and a hollow part; the air duct shell is fixed on the chassis, and an air duct cavity is formed between the air duct shell and the chassis; the air duct cavity is provided with an air inlet and an air outlet; the air inlet is formed in the front side of the air duct shell; an indoor fan is arranged in the air duct cavity; the indoor heat exchanger is arranged on the front side of the air inlet; the indoor heat exchanger comprises two end plates arranged at left and right intervals and heat exchange tubes penetrating through the two end plates; the heat exchange tube is communicated with the outdoor heat exchange assembly; the heat exchange tubes are arranged in a roundabout manner, and two ends of each heat exchange tube respectively exceed the back sides of the two end plates; an accommodating space is formed between the front side of the air duct shell and the back side corresponding to the end plate; two ends of the heat exchange tube are respectively positioned in the corresponding accommodating spaces; air inlets communicated with the air duct cavity are formed in the air duct shell corresponding to the two accommodating spaces; the hollow parts are fixed on the end plates and the air duct shell, and enclose and seal the accommodating space; the periphery of the hollowed-out piece is provided with hollowed-out holes which penetrate through the accommodating space.

In some embodiments of the present application, a distance between opposite surfaces of the two end plates is smaller than a distance between the left and right side walls of the air inlet; the opposite surfaces of the two end plates are respectively provided with a space with the corresponding left side wall and the right side wall of the air duct cavity to form the air inlet.

In some embodiments of the present application, the cutout includes a side panel extending in a front-to-rear direction, a front panel connected perpendicularly to a front side edge of the side panel, and a flap connected perpendicularly to a rear side edge of the side panel; the side plates are vertically arranged; the front plates of the two hollow parts extend oppositely, and the front plates are abutted against the corresponding end plates; the hollow holes are formed in the front plate; the folded plate is attached to the front side face of the air duct shell.

In some embodiments of the present application, the upper and lower ends of the front plate respectively abut against the chassis and the air duct shell; the front plate is attached to the end plate in a sealing mode.

In some embodiments of the present application, the upper end and the lower end of the folded plate respectively abut against the bottom plate and the air duct shell; the folded plate is attached to the front edge of the air duct shell in a sealing mode.

In some embodiments of the present application, the indoor heat exchanger further includes a fin located between the two end plates and fixed to the heat exchange tube; the fins are arranged at intervals along the left and right direction; the hollow part is provided with a plurality of hollow holes; the distance between the left and right directions of the plurality of hollow holes is equal to the distance between the fins.

In some embodiments of the present application, the spacing between the fins is 1.2-1.8mm, and the spacing between the hollowed-out holes is 1.2-1.8mm.

In some embodiments of the present application, the hollow holes extend in a vertical direction or in a left-right direction.

In some embodiments of the present application, the hollowed-out holes are through holes or louvers.

In some embodiments of the present application, the cutouts are secured to the end plate by fasteners.

According to the above technical scheme, the utility model discloses following advantage and positive effect have at least:

the utility model discloses in, the indoor fan in wind channel intracavity rotates the air intake entering wind channel intracavity from the wind channel intracavity of air in driving the indoor environment. In the process that air in the indoor environment enters the air duct cavity from the air inlet, the air in the indoor environment enters the air duct cavity after exchanging heat with the indoor heat exchanger, and the air after exchanging heat is discharged to the indoor environment from the air outlet, so that the indoor environment is cooled or heated.

Two ends of the heat exchange tube respectively exceed the opposite sides of the two end plates; an accommodating space is formed between the front side of the air duct shell and the back side of the corresponding end plate; two ends of the heat exchange tube are respectively positioned in the corresponding accommodating spaces; air inlets communicated with the air channel cavity are formed in the air channel shell corresponding to the two accommodating spaces, so that air in the accommodating spaces can enter the air channel cavity through the air inlets. The hollow parts are fixed on the end plates and the air duct shell, and enclose and seal the accommodating space; the periphery of the hollowed-out piece is provided with hollowed-out holes which are communicated with the accommodating space. When the indoor heat exchanger works, air in an indoor environment can enter the accommodating space through the hollow holes and exchange heat with the heat exchange tubes at two ends of the end plate in the accommodating space, and the air in the accommodating space enters the air channel cavity from the air inlet after exchanging heat, and can be discharged from the air outlet. Therefore, the heat exchange area can be increased under the condition that the size of the indoor heat exchanger is not increased, and the heat exchange efficiency is improved. And moreover, the energy efficiency ratio of the whole machine is effectively improved, and the miniaturization of the box body is facilitated, so that the transportation cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a window type air conditioner according to the present invention.

Fig. 2 is an exploded schematic view of the structure shown in fig. 1.

Fig. 3 is an enlarged view at a in fig. 1.

Fig. 4 is a schematic structural view of a second embodiment of the window type air conditioner of the present invention.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is an enlarged view at C in fig. 4.

FIG. 7 is a schematic diagram of an embodiment of a cutout.

Fig. 8 is an enlarged view at D in fig. 7.

FIG. 9 is a schematic structural view of another embodiment of the openwork piece.

Fig. 10 is an enlarged view at E in fig. 9.

The reference numerals are explained below: 100. a chassis; 200. an outdoor heat exchange assembly; 300. an indoor heat exchange assembly; 310. an air duct shell; 311. an air duct cavity; 312. an air outlet; 320. an indoor heat exchanger; 321. an end plate; 322. a heat exchange tube; 323. a fin; 324. an accommodating space; 325. an air inlet; 330. a hollowed-out part; 331. hollowing out holes; 332. a side plate; 333. a front plate; 334. folding a plate; 340. an indoor fan.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the embodiments of the present application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the application.

The present application will be described in further detail with reference to the following drawings and specific examples. It should be noted that the technical features mentioned in the embodiments of the present application described below may be combined with each other as long as they do not conflict with each other. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

With the popularization of window air conditioners, the requirements of users on the energy consumption of the window air conditioners are higher and higher, the energy-saving and carbon-reducing effects of low-energy-consumption household appliances are realized by developing the household appliances, and the design policy of the current national green household appliances is also met. The air conditioner heat exchanger properly increases the heat exchange area, so that the performance and the energy efficiency index of the whole machine are improved, and the effect of reducing the energy consumption of the air conditioner is very obvious. In a window type air conditioner heat exchanger structure in the related art, heat exchange tubes at two ends of an indoor heat exchanger pipeline are exposed outside metal plate end plates at two ends of the heat exchanger, the exposed heat exchange tubes at the two ends are positioned outside a closed air channel formed by the metal plate end plates and an air channel structural member, no indoor fan circulating air quantity passes through, and the heat exchange tubes exposed at the two ends of the heat exchanger have poor heat exchange effect of convection enhancement. The application provides a window type air conditioner to solve the technical problem.

For convenience of description and understanding, the side of the window type air conditioner facing the indoor space is the front, and the side facing away from the indoor space is the rear. The direction perpendicular to the front and back directions on the horizontal plane is the left and right direction.

Fig. 1 is a schematic structural diagram of a first embodiment of a window type air conditioner according to the present invention. Fig. 2 is an exploded view of the structure shown in fig. 1. Fig. 3 is an enlarged view of a point a in fig. 1.

Referring to fig. 1 to 3, in the present embodiment, the window type air conditioner includes a base plate 100, an outdoor heat exchange assembly 200 fixed to the base plate 100, and an indoor heat exchange assembly 300 fixed to the base plate 100. The window type air conditioner is fixed at a windowsill so as to release cold or heat in the indoor environment to the outside to refrigerate or heat the indoor environment. The base plate 100 is used for being fixed at a windowsill, the outdoor heat exchange assembly 200 is used for being placed outdoors, the indoor heat exchange assembly 300 is used for being placed indoors, and the outdoor heat exchange assembly 200 is used for exchanging heat with an outdoor environment so as to provide cold or heat for the indoor heat exchange assembly 300; the indoor heat exchange assembly 300 is used for exchanging heat with an indoor environment to cool or heat the indoor environment.

The outdoor heat exchange assembly 200 includes an outdoor housing fixed to an upper surface of the base pan 100, a compressor disposed in the outdoor housing, and an outdoor heat exchanger disposed on the outdoor housing. The outdoor heat exchanger exchanges heat with the external environment and releases cold or heat to the external environment. The outdoor heat exchanger and the indoor heat exchange assembly 300 are connected through a refrigerant pipe, and a refrigerant is arranged in the refrigerant pipe.

The indoor heat exchange assembly 300 includes an air duct case 310 fixed to the base pan 100, an indoor heat exchanger 320 provided on the base pan 100, and an indoor fan 340 provided in the air duct case 310. The indoor heat exchanger 320 is communicated with the outdoor heat exchanger through a refrigerant pipe, and the indoor heat exchanger 320 is used for exchanging heat with air in an indoor environment.

In this embodiment, the window type air conditioner is used to cool the indoor environment, and the compressor, the outdoor heat exchanger, and the indoor heat exchanger 320 are connected by refrigerant pipes. The indoor heat exchanger 320 has an inlet in communication with the outdoor heat exchanger and an outlet in communication with the compressor. The indoor heat exchanger 320 is an evaporator and the outdoor heat exchanger is a condenser. The refrigerant exchanges heat with the outdoor environment in the outdoor heat exchanger, and heat is released to the outdoor environment to absorb cold. The refrigerant in the indoor heat exchanger 320 exchanges heat with the indoor air to release the cold energy into the indoor environment and to move the absorbed heat along with the refrigerant into the outdoor heat exchanger to be released into the outdoor environment.

The air duct shell 310 is fixed on the chassis 100 and forms an air duct cavity 311 with the chassis 100. The air duct cavity 311 is formed with an air inlet (not shown) and an air outlet 312. In this embodiment, the air inlet and the air outlet 312 are both disposed at the front side of the air duct shell 310, the air inlet and the air outlet 312 are disposed at an interval from top to bottom, and the air outlet 312 is located above the air inlet.

In this embodiment, the base plate 100 is a plate-shaped or disk-shaped structure, and both the air duct housing 310 and the outdoor housing are fixed on the upper surface of the base plate 100. The air duct case 310 is made of a foaming material or the air duct case 310 is filled with a foaming material to maintain the temperature inside the air duct case 310.

The indoor fan 340 is disposed in the air duct cavity 311, and the rotation of the indoor fan 340 drives the air around the indoor heat exchange assembly 300 to enter the air duct cavity 311 and to be discharged out of the air duct cavity 311 from the air outlet 312.

The indoor heat exchanger 320 is disposed at the front side of the air inlet, air in the indoor environment passes through the indoor heat exchanger 320 under the driving of the indoor fan 340, enters the air duct cavity 311 after heat exchange at the indoor heat exchanger 320, and is discharged from the air outlet 312, so as to form air circulation between the air inlet and the air outlet 312.

In this embodiment, the indoor heat exchanger 320 is an evaporator, air in the indoor environment exchanges heat at the indoor heat exchanger 320 to absorb cold energy released by the evaporator, and the refrigerated air enters the air duct cavity 311 and is discharged from the air outlet 312 to refrigerate the indoor environment. In some embodiments, the indoor heat exchanger 320 is capable of heating air in the indoor environment, thereby heating the indoor environment.

In this embodiment, the indoor heat exchanger 320 includes two end plates 321 disposed at left and right intervals, and heat exchange tubes 322 penetrating the two end plates 321. The end plate 321 is vertically disposed, a rear side of the end plate 321 abuts against the air duct shell 310, and upper and lower ends of the end plate 321 abut against the upper surface of the chassis 100 and the air duct shell 310, respectively.

The distance between the left and right outer side surfaces of the two end plates 321 is smaller than the distance between the left and right outer side surfaces of the air duct case 310. An accommodating space 324 is formed between the front side of the duct case 310 and the opposite side of the corresponding end plate 321. The receiving space 324 is formed between the right and left outer side surfaces of the end plate 321 and the front side of the duct case 310. The indoor heat exchanger 320 has accommodating spaces 324 formed at left and right sides thereof, respectively.

In this embodiment, the distance between the opposite surfaces of the two end plates 321 is smaller than the distance between the left and right side walls of the air inlet; the opposite surfaces of the two end plates 321 are spaced from the corresponding left and right side walls of the air duct cavity 311 to form an air inlet 325. The air inlet 325 is communicated with the accommodating space 324, so that air at the accommodating space 324 can enter into the air duct cavity 311 from the air inlet 325.

In some embodiments, the distance between the left and right outer sides of the two end plates 321 is smaller than the distance between the left and right outer sides of the air duct case 310. A plurality of via holes are opened at the front side of the air duct shell 310, and an air inlet 325 is formed at the via holes.

The heat exchange tube 322 extends along the left-right direction, two ends of the heat exchange tube 322 are arranged in a roundabout manner, two ends of the heat exchange tube 322 respectively exceed the opposite sides of the two end plates 321, and two ends of the heat exchange tube 322 are respectively located in the corresponding accommodating spaces 324, so that air at the accommodating spaces 324 can exchange heat with two ends of the heat exchange tube 322. Compare in prior art, the both ends heat transfer of heat exchange tube 322 in this application has increased heat transfer area under the condition that does not increase the 320 sizes of indoor heat exchanger, has improved heat exchange efficiency.

It should be noted that the indoor heat exchanger 320 further includes fins 323, where the fins 323 are located between the two end plates 321 and fixed on the heat exchange tube 322; the arrangement of the fins 323 increases the heat exchange area of the indoor heat exchanger 320. The heat exchange tube 322 extends in the left-right direction, the fins 323 extend in the vertical direction, and the fins 323 are arranged at intervals in the left-right direction. In this embodiment, the spacing between the fins 323 is 1.2-1.8mm.

Fig. 4 is a schematic structural view of a second embodiment of the window type air conditioner of the present invention. Fig. 5 is an enlarged view at B in fig. 4. Fig. 6 is an enlarged view at C in fig. 4.

Referring to fig. 4 to 6, the structure of the second embodiment of the window type air conditioner refers to the structure of the first embodiment, except that: in the second embodiment, the hollow parts 330 are respectively disposed at both ends of the indoor heat exchanger 320.

The hollow part 330 is fixed on the end plate 321 and the air duct shell 310, and encloses and seals the accommodating space 324; the hollow part 330 has a hollow hole 331 formed on its outer periphery and penetrating the accommodating space 324. When the indoor heat exchanger 320 works, air in an indoor environment can enter the accommodating space 324 through the hollow hole 331, heat exchange is performed between the inside of the accommodating space 324 and the heat exchange tubes 322 at two ends of the end plate 321, and the air in the accommodating space 324 enters the air duct cavity 311 from the air inlet 325 after heat exchange, and can be discharged from the air outlet 312. Therefore, the heat exchange area can be increased and the heat exchange efficiency can be improved without increasing the size of the indoor heat exchanger 320. And moreover, the energy efficiency ratio of the whole machine is effectively improved, and the miniaturization of the box body is facilitated, so that the transportation cost is reduced.

The hollow part 330 encloses the accommodating space 324, so that air entering the air duct cavity 311 from the air inlet 325 can be effectively ensured, sufficient heating can be performed in the accommodating space 324, and the uniformity of the temperature of the air entering the air duct cavity 311 can be ensured. And the hollow 330 can effectively protect the two ends of the heat exchange tube 322.

In this embodiment, the hollow part 330 has a plurality of hollow holes 331; the distance between the plurality of hollowed-out holes 331 in the left-right direction is equal to the distance between the fins 323, so that the air volume of the air entering the air duct cavity 311 from the air inlet 325 is not too large or too small relative to the air volume of the air entering the air duct cavity 311 from the air inlet. To ensure that the temperature of the air entering the air channel cavity 311 from the air inlet 325 is equivalent to the temperature of the air entering the air channel cavity 311 from the air inlet.

In a specific embodiment, the fins 323 are spaced apart by 1.2-1.8mm, and the holes 331 are spaced apart by 1.2-1.8mm.

In this embodiment, the hollow hole 331 extends vertically. In some embodiments, the hollowed-out holes 331 extend in the left-right direction.

In this embodiment, the hollow holes 331 are through holes. In some embodiments, the hollowed-out holes 331 are louvers.

FIG. 7 is a schematic diagram of an embodiment of a cutout. Fig. 8 is an enlarged view at D in fig. 7. FIG. 9 is a schematic structural view of another embodiment of the openwork piece. Fig. 10 is an enlarged view at E in fig. 9.

Referring to fig. 4 to 10, in the embodiment, two hollow parts 330 are provided, and the two hollow parts 330 are respectively disposed at the left end and the right end of the indoor heat exchanger 320. The hollow 330 is fixed to the end plate 321 by a fastener.

The cutout 330 includes a side plate 332 extending in the front-rear direction, a front plate 333 vertically connected to the front edge of the side plate 332, and a flap 334 vertically connected to the rear edge of the side plate 332; the side plates 332 are arranged vertically; the front plates 333 of the two hollow parts 330 extend oppositely, and the front plates 333 abut against the corresponding end plates 321; the hollow-out hole 331 is formed on the front plate 333; the flap 334 fits over the front side of the air duct shell 310. The hollow part 330 encloses the accommodating space 324 by abutting the front plate 333 against the end plate 321 and attaching the flap 334 against the air duct shell 310.

The upper end and the lower end of the hollow part 330 are respectively abutted to the chassis 100 and the air duct shell 310, and specifically, the upper end and the lower end of the side plate 332 are respectively abutted to the chassis 100 and the air duct shell 310. The upper end and the lower end of the front plate 333 are respectively abutted against the chassis 100 and the air duct shell 310; the front plate 333 is sealingly attached to the end plate 321. The front plate 333 is fixed to the end plate 321 by a fastener. The upper end and the lower end of the folded plate 334 are respectively abutted against the chassis 100 and the air duct shell 310; flap 334 is sealingly attached to the front edge of the duct shell 310.

In this embodiment, the fasteners are bolts, screws, or rivets.

In this embodiment, the hollow holes 331 are formed on the front side surface of the hollow part 330, and specifically, the hollow holes 331 are formed on the front plate 333.

In some embodiments, the hollowed-out holes 331 open on the side plate 332.

Based on the above description, the portion of the heat exchange tube 322 between the two end plates 321 and the fin 323 between the two end plates 321 can exchange heat with air in the indoor environment, and make the air after heat exchange enter the air duct cavity 311 through the air inlet. The heat exchange tubes 322 are located at the outer portions of the two end plates 321 and can also exchange heat with air in an indoor environment, and the air after heat exchange enters the air duct cavity 311 through the air inlet 325, so that the heat exchange area of the heat exchange tubes 322 is fully utilized, the convection enhanced heat exchange effect is obvious, the energy efficiency index of the window air conditioner is obviously improved, and the energy consumption reduction effect is obvious when a user is actually used.

The utility model discloses in, indoor fan 340 in the wind channel chamber 311 rotates and drives the air in the indoor environment and gets into in the wind channel chamber 311 from the air intake in the wind channel chamber 311. In the process that air in the indoor environment enters the air duct cavity 311 from the air inlet, the air in the indoor environment enters the air duct cavity 311 after exchanging heat with the indoor heat exchanger 320, and the air after exchanging heat is discharged to the indoor environment from the air outlet 312, so that the indoor environment is cooled or heated.

The two ends of the heat exchange tube 322 respectively exceed the opposite sides of the two end plates 321; an accommodating space 324 is formed between the front side of the air duct shell 310 and the opposite side of the corresponding end plate 321; two ends of the heat exchange tube 322 are respectively located in the accommodating space 324; an air inlet 325 communicated with the air duct cavity 311 is formed on the air duct shell 310 corresponding to the two accommodating spaces 324, so that air at the accommodating space 324 can enter the air duct cavity 311 through the air inlet 325. The hollow part 330 is fixed on the end plate 321 and the air duct shell 310, and encloses and seals the accommodating space 324; the hollow part 330 has a hollow hole 331 formed on its outer periphery and penetrating the accommodating space 324. When the indoor heat exchanger 320 works, air in an indoor environment can enter the accommodating space 324 through the hollow hole 331, heat exchange is performed between the inside of the accommodating space 324 and the heat exchange tubes 322 at two ends of the end plate 321, and the air in the accommodating space 324 enters the air duct cavity 311 from the air inlet 325 after heat exchange, and can be discharged from the air outlet 312. Therefore, the heat exchange area can be increased and the heat exchange efficiency can be improved without increasing the size of the indoor heat exchanger 320. And moreover, the energy efficiency ratio of the whole machine is effectively improved, and the miniaturization of the box body is facilitated, so that the transportation cost is reduced.

It should be noted that the air inlet 325 and the hollow part 330 in the present invention can be used not only for the evaporator, but also for the condenser, and can be used for all the heat exchangers of the air conditioning system of the tube fin heat exchanger.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In the description herein, references to the description of "some embodiments," "exemplary," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or exemplary is included in at least one embodiment or exemplary of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present application have been shown and described, it should be understood that they are exemplary and should not be construed as limiting the present application, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments within the scope of the present application, so that any changes or modifications made in accordance with the claims and the specification of the present application shall fall within the scope of the present patent application.

Claims (10)

1. A window type air conditioner comprises a base plate, an outdoor heat exchange assembly fixed on the base plate and an indoor heat exchange assembly fixed on the base plate; the outdoor heat exchange assembly is used for exchanging heat with an outdoor environment so as to provide cold or heat for the indoor heat exchange assembly; the indoor heat exchange assembly is used for exchanging heat with an indoor environment so as to refrigerate or heat the indoor environment; it is characterized in that the indoor heat exchange assembly comprises:

the air duct shell is fixed on the base plate, and an air duct cavity is formed between the air duct shell and the base plate; the air duct cavity is provided with an air inlet and an air outlet; the air inlet is formed in the front side of the air duct shell; an indoor fan is arranged in the air duct cavity;

the indoor heat exchanger is arranged on the front side of the air inlet; the indoor heat exchanger comprises two end plates arranged at intervals at the left and the right and heat exchange tubes penetrating through the two end plates; the heat exchange tube is communicated with the outdoor heat exchange assembly; the heat exchange tubes are arranged in a roundabout manner, and two ends of each heat exchange tube respectively exceed the back sides of the two end plates; an accommodating space is formed between the front side of the air duct shell and the opposite side corresponding to the end plate; two ends of the heat exchange tube are respectively positioned in the corresponding accommodating spaces; air inlets communicated with the air duct cavity are formed in the air duct shell corresponding to the two accommodating spaces;

the hollow part is fixed on the end plate and the air duct shell, and encloses and seals the accommodating space; the periphery of the hollowed-out piece is provided with hollowed-out holes which penetrate through the accommodating space.

2. The window air conditioner as set forth in claim 1, wherein the spacing between opposite sides of said end plates is less than the spacing between left and right side walls of said air inlet; the opposite surfaces of the two end plates are respectively provided with a space with the corresponding left side wall and the right side wall of the air duct cavity, so that the air inlet is formed.

3. The window type air conditioner as claimed in claim 1, wherein the cutout includes side plates extending in a front-rear direction, a front plate perpendicularly attached to front side edges of the side plates, and a flap perpendicularly attached to rear side edges of the side plates; the side plates are vertically arranged; the front plates of the two hollowed-out pieces extend oppositely, and the front plates abut against the corresponding end plates; the hollow holes are formed in the front plate; the folded plate is attached to the front side face of the air duct shell.

4. The window air conditioner as defined in claim 3, wherein upper and lower ends of said front plate are respectively abutted against said base plate and said duct casing; the front plate is attached to the end plate in a sealing mode.

5. The window air conditioner as claimed in claim 3, wherein upper and lower ends of the flap are respectively abutted against the base plate and the duct casing; the folded plate is attached to the front edge of the air duct shell in a sealing mode.

6. The window air conditioner as recited in claim 1 wherein said indoor heat exchanger further comprises fins positioned between said end plates and secured to said heat exchange tubes; the fins are arranged at intervals along the left and right direction; a plurality of hollow holes are formed in the hollow part; the distance between the left and right directions of the plurality of hollow holes is equal to the distance between the fins.

7. The window type air conditioner as claimed in claim 6, wherein the spacing between the fins is 1.2-1.8mm, and the spacing between the hollowed-out holes is 1.2-1.8mm.

8. The window air conditioner as recited in claim 1, wherein said apertures extend vertically or in a side-to-side direction.

9. The window air conditioner as recited in claim 1 wherein said apertures are through holes or louvers.

10. The window air conditioner as set forth in claim 1, wherein said cutouts are secured to said end plate by fasteners.

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