CN110631133B

CN110631133B - Indoor unit of cabinet air conditioner

Info

Publication number: CN110631133B
Application number: CN201910779296.4A
Authority: CN
Inventors: 刘光朋; 史为品
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: 2019-08-22
Filing date: 2019-08-22
Publication date: 2023-06-23
Anticipated expiration: 2039-08-22
Also published as: CN110631133A

Abstract

The invention relates to the technical field of air conditioning, in particular to a cabinet air conditioner indoor unit. The invention aims to solve the problem of unsatisfactory heat exchange effect of the evaporator of the existing cabinet air conditioner indoor unit. For this purpose, the cabinet air conditioner indoor unit comprises a machine body, wherein an air inlet and a first air outlet are formed in the machine body, a humidifying device is arranged at the first air outlet, an air supply fan, an evaporator and a water receiving disc are arranged in the machine body, and the water receiving disc is arranged below the evaporator; the evaporator comprises a plurality of layers of heat exchange assemblies and fins arranged on each layer of heat exchange assemblies, and any two layers of heat exchange assemblies are connected through a first connecting pipe. Through the arrangement mode, when the evaporator is arranged in the indoor unit of the cabinet air conditioner, the refrigerant flows between the multi-layer heat exchange assemblies, so that when air flows through the evaporator, heat exchange is more uniform, and the heat exchange effect is better.

Description

Indoor unit of cabinet air conditioner

Technical Field

The invention relates to the technical field of air conditioning, in particular to a cabinet air conditioner indoor unit.

Background

As air conditioners are widely used in thousands of households, the requirements of users on the use performance of the air conditioners are also increasing. Taking a cabinet air conditioner as an example, the performance of the cabinet air conditioner generally depends on the heat exchange efficiency under the same condition, and the heat exchange efficiency has a direct relation with the heat exchange area, and the larger the heat exchange area is, the higher the heat exchange efficiency is generally.

The structure and arrangement of the evaporator directly determine the size of the heat exchange area and the heat exchange efficiency. In the existing cabinet air conditioner, the evaporator is usually obliquely arranged in the air conditioner shell or attached to the air inlet, and the coils of the evaporator are arranged in an S shape from one end to the other end, but the arrangement mode makes contact heat exchange between air flow and the evaporator not uniform, so that the heat exchange effect is not ideal.

Accordingly, there is a need in the art for a new indoor unit of a cabinet air conditioner that solves the above-mentioned problems.

Disclosure of Invention

In order to solve the problems in the prior art, namely to solve the problem that the heat exchange effect of an evaporator of the existing cabinet air conditioner indoor unit is not ideal, the invention provides the cabinet air conditioner indoor unit, which comprises a machine body, wherein an air inlet and a first air outlet are arranged on the machine body, a humidifying device is arranged at the first air outlet, an air supply fan, the evaporator and a water pan are arranged in the machine body, and the water pan is arranged below the evaporator; the evaporator comprises a plurality of layers of heat exchange assemblies and fins arranged on each layer of heat exchange assemblies, and any two layers of heat exchange assemblies are connected through a first connecting pipe.

In the above preferred technical solution of the indoor unit of a cabinet air conditioner, each layer of heat exchange assembly includes a connecting member and a plurality of heat exchange tubes, a first end of each heat exchange tube is connected with a first connecting tube, a second end of each heat exchange tube is connected with the connecting member, and fins are disposed on the heat exchange tubes.

In the preferred technical scheme of the cabinet air conditioner indoor unit, the water receiving disc comprises a circular disc and an annular disc, wherein the circular disc and the annular disc are vertically arranged, and are communicated through a drainage pipe.

In the preferred technical scheme of the cabinet air conditioner indoor unit, the machine body comprises a columnar outer shell and an annular air outlet structure arranged at the top of the columnar outer shell, the air supply fan and the evaporator are arranged in the columnar outer shell, and the annular air outlet structure is provided with a first air outlet.

In the preferred technical scheme of the cabinet air conditioner indoor unit, the annular air outlet structure comprises an inner annular surface and an outer annular surface, the outer annular surface is sleeved on the outer side of the inner annular surface and surrounds the inner annular surface to form an air outlet cavity, a first air outlet is formed between the front end of the outer annular surface and the front end of the inner annular surface, the rear end of the outer annular surface is in closed connection with the rear end of the inner annular surface, the bottom end of the outer annular surface is further provided with a vent hole, and the air outlet cavity is communicated with the columnar shell through the vent hole.

In the preferred technical scheme of the cabinet air conditioner indoor unit, the outer ring surface is further provided with a second air outlet, the first air outlet is provided with a first baffle mechanism, the second air outlet is provided with a second baffle mechanism, the first baffle mechanism can close or open the first air outlet when being set to act, and the second baffle mechanism can close or open the second air outlet when being set to act.

In the preferred technical scheme of the cabinet air conditioner indoor unit, the humidifying device comprises a water tank and an atomizer arranged in the water tank, and the water tank is fixedly connected to the bottom of the inner annular surface.

In the preferable technical scheme of the cabinet air conditioner indoor unit, the air supply fan is a digital turbine motor.

In the above preferred technical scheme of the cabinet air conditioner indoor unit, the air conditioner indoor unit further comprises a base, and the machine body is rotatably connected with the base.

In the above-mentioned preferred technical scheme of cabinet air conditioner indoor unit, form the clearance between organism and the base, the air intake sets up in the bottom of organism.

It can be understood by those skilled in the art that in the preferred technical scheme of the invention, the cabinet air conditioner indoor unit comprises a machine body, wherein an air inlet and a first air outlet are arranged on the machine body, a humidifying device is arranged at the first air outlet, an air supply fan, an evaporator and a water receiving disc are arranged in the machine body, and the water receiving disc is arranged below the evaporator; the evaporator comprises a plurality of layers of heat exchange assemblies and fins arranged on each layer of heat exchange assemblies, and any two layers of heat exchange assemblies are connected through a first connecting pipe. Compared with the technical scheme that the evaporators are arranged in an S shape in the prior art, the evaporator is provided with the multi-layer heat exchange assemblies, and any two layers of heat exchange assemblies are connected through the first connecting pipe, so that when the evaporator is arranged in the indoor unit of the cabinet air conditioner, a refrigerant flows between the multi-layer heat exchange assemblies, and when air flows through the evaporator, the heat exchange is more uniform, the heat exchange effect is better, and the problem that one end of the heat exchange effect is good and the other end is poor when the existing evaporator is arranged in the S shape is solved; and the heat exchange area of the evaporator is increased by the multi-layer heat exchange assembly, so that air flowing through the evaporator can exchange heat with the evaporator sufficiently, and the heat exchange efficiency of the evaporator is improved. By arranging the humidifying device at the first air outlet, the vapor exhausted by the humidifying device can be uniformly mixed with the air flow and sent to all corners of the room by the air supply effect of the first air outlet.

Further, each layer of heat exchange assembly comprises a connecting member and a plurality of heat exchange tubes, the first end of each heat exchange tube is connected with one first connecting tube, the second end of each heat exchange tube is connected with the connecting member, if the refrigerant flows from the connecting member to the plurality of heat exchange tubes, the refrigerant flowing into the connecting member can be split into the plurality of heat exchange tubes, so that the refrigerant is distributed more uniformly in the evaporator, the air flowing through the evaporator can exchange heat with the evaporator fully, and the heat exchange effect of the evaporator is further improved; if the refrigerant flows to the connecting component from the plurality of heat exchange pipes, the refrigerant in the plurality of heat exchange pipes can be summarized into the connecting component, so that the loss of the refrigerant is avoided, the loss of the refrigerating or heating capacity of the cabinet air conditioner is avoided, and the use experience of a user is further improved.

Further, the water pan adopts a split design of arranging a circular pan and an annular pan up and down, so that the problem that the water pan cannot be arranged below the evaporator in horizontal arrangement is solved ingeniously, and the collection of condensed water is realized on the premise of not influencing air intake.

Further, through setting up annular air-out structure at the top of column shell, set up first air outlet and second air outlet on the annular air-out structure to first air outlet and second air outlet each dispose separation blade mechanism, make the air conditioner possess brand-new air outlet structure and two kinds of air-out forms (injection mode and diffusion mode), the air-out volume is bigger, and the air supply area is wide, and the range is far away, and the user can select the air-out mode in a flexible way based on needs, has subverted traditional cabinet-type machine product iterative sealed thought, promotes the development revolution of air conditioner.

Further, through with organism and base swivelling joint for the air conditioner can freely rotate when the installation, conveniently finds best installation angle, reduces the installation degree of difficulty, improves the suitability of air conditioner.

Further, a gap is formed between the machine body and the base, and the air inlet is arranged at the bottom of the machine body, so that the area of the air inlet is larger, the air inlet quantity is larger, and the heat exchange effect and the heat exchange efficiency are improved.

Drawings

The cabinet air-conditioner indoor unit of the present invention is described below with reference to the accompanying drawings. In the accompanying drawings:

FIG. 1A is a schematic view of an evaporator according to the present invention;

FIG. 1B is a front view of the evaporator of the invention;

FIG. 1C is a top view of the evaporator of the invention;

fig. 2 is a structural diagram of an indoor unit of a cabinet air conditioner according to a first embodiment of the present invention;

fig. 3 is a schematic diagram illustrating an operation of an indoor unit of a cabinet air conditioner according to a first embodiment of the present invention;

FIG. 4A is a cross-sectional view of a first air-out mode of the annular air-out structure of the present invention;

FIG. 4B is a cross-sectional view of a second air-out mode of the annular air-out structure of the present invention;

fig. 5A is a block diagram of a first embodiment of a drip tray of the present invention;

FIG. 5B is a block diagram of a second embodiment of a drip tray of the present invention;

fig. 6A is a front cross-sectional view of the sterilization and purification module of the present invention;

FIG. 6B is a top view of the sterilization and decontamination module of the present invention;

fig. 7 is a structural view of an indoor unit of a cabinet air conditioner according to a second embodiment of the present invention;

FIG. 8 is a block diagram of a fresh air module of the present invention;

fig. 9A is a schematic diagram illustrating the operation of a first fresh air mode of an indoor unit of a cabinet air conditioner according to a second embodiment of the present invention;

fig. 9B is a schematic diagram illustrating operation of a second fresh air mode of an indoor unit of a cabinet air conditioner according to a second embodiment of the present invention;

fig. 9C is a schematic diagram illustrating the operation of the third fresh air mode of the indoor unit of the cabinet air conditioner according to the second embodiment of the present invention.

List of reference numerals

1. An evaporator; 11. a first layer heat exchange assembly; 111. a connecting member; 1111. a liquid separating head; 1112. a second connection pipe; 11121. a transverse tube section; 11122. a vertical pipe section; 112. a heat exchange tube; 12. a second layer heat exchange assembly; 13. a fin; 14. a first connection pipe; 2. a body; 21. A cylindrical housing; 211. an air inlet; 22. an annular air outlet structure; 221. an inner annulus; 222. an outer annulus; 223. a first air outlet; 224. a second air outlet; 225. a first flap mechanism; 226. a second flap mechanism; 3. a humidifying device; 31. a water tank; 32. an atomizer; 4. a sterilizing and purifying module; 41. a HEPA filter layer; 42. a cold catalyst filter layer; 43. an anion sterilizing lamp; 44. an ion transformer; 5. a water receiving tray; 51. a circular disc; 52. an annular disc; 53. a drainage tube; 6. an air blower; 7. a fresh air module; 71. a columnar case; 711. an air suction port; 712. an air outlet; 72. a fresh air fan; 73. a variable speed drive mechanism; 731. a driving motor; 732. a gear set; 733. an electric fork; 8. and (5) a base.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. For example, although the present embodiment is described in connection with a cabinet air conditioner, it is not intended to limit the scope of the invention, and those skilled in the art may apply the invention to other application scenarios without departing from the principles of the invention. For example, a wall-mounted air conditioner, a vehicle-mounted air conditioner, or the like.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "vertical", "circumferential", "horizontal", "inner", and the like refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

Example 1

The evaporator of the present invention will be described with reference to fig. 1A to 1C. FIG. 1A is a schematic view of an evaporator according to the present invention; FIG. 1B is a front view of the evaporator of the invention; fig. 1C is a top view of the evaporator of the present invention.

As shown in fig. 1A, the evaporator 1 includes a first layer heat exchange assembly 11, a second layer heat exchange assembly 12, and fins 13 disposed on each layer heat exchange assembly, the first layer heat exchange assembly 11 is located above the second layer heat exchange assembly 12, and the first layer heat exchange assembly 11 is connected to the second layer heat exchange assembly 12 through a first connection pipe 14. As shown in fig. 2, the refrigerant flows into the second-layer heat exchange assembly 12, the refrigerant flowing into the second-layer heat exchange assembly 12 flows into the first-layer heat exchange assembly 11 through the first connecting pipe 14, and the refrigerant flows out of the first-layer heat exchange assembly 11. Of course, the refrigerant may also flow into the first layer heat exchange assembly 11 and then flow out of the second layer heat exchange assembly 12, and those skilled in the art may flexibly adjust and set the order of the refrigerant flowing through the first layer heat exchange assembly 11 and the second layer heat exchange assembly 12 in practical applications, which does not deviate from the principle and scope of the present invention.

Through setting up multilayer heat transfer subassembly, and arbitrary two-layer heat transfer subassembly passes through first connecting pipe connection for the evaporimeter is when setting up in cabinet air conditioner indoor set, and refrigerant flows between multilayer heat transfer subassembly, thereby when the air flow passes the evaporimeter, the heat transfer is more even, and the heat transfer effect is better, has avoided the problem that heat transfer effect one end is good when current evaporimeter is the S type and arranges one end poor; and the heat exchange area of the evaporator is increased by the multi-layer heat exchange assembly, so that air flowing through the evaporator can exchange heat with the evaporator sufficiently, and the heat exchange efficiency of the evaporator is improved.

It should be further noted that, although the evaporator 1 in the present embodiment includes only two heat exchange assemblies, this is not limitative, and a person skilled in the art may increase the number of heat exchange assemblies according to practical situations, no matter how many heat exchange assemblies are adjusted, all heat exchange assemblies may be arranged at intervals in the vertical direction, may be arranged at equal intervals, or may be arranged at unequal intervals, and any two heat exchange assemblies are connected through the first connecting pipe 14.

As shown in fig. 1B and 1C, the first and second heat exchange assemblies 11 and 12 each include a connection member 111 and a plurality of heat exchange tubes 112, and the fins 13 are disposed on the heat exchange tubes 112 for radiating heat from the heat exchange tubes 112; the first end of each heat exchange tube 112 is connected with a first connecting tube 14, the second end of each heat exchange tube 112 is connected with a connecting member 111, so that the evaporator 1 forms a cage-shaped structure, the cage-shaped structure enables the refrigerant to flow into the connecting member 111 of the second layer heat exchange assembly 12 first, the refrigerant flowing into the connecting member 111 of the second layer heat exchange assembly 12 is shunted into the plurality of heat exchange tubes 112 of the second layer heat exchange assembly 12, flows into the plurality of heat exchange tubes 112 of the first layer heat exchange assembly 11 through the first connecting tube 14 connected with each heat exchange tube 112 of the second layer heat exchange assembly 12, and then is converged into the connecting member 111 of the first layer heat exchange assembly 11, in the process, the refrigerant flows in the evaporator 1 in a 'shunt before summarizing' mode, in the shunting process, the refrigerant is uniformly distributed in the evaporator 1, the air flowing through the evaporator 1 can be uniformly and fully exchanges heat with the evaporator 1, the summarizing effect of the evaporator 1 is further improved, in the process, the loss of the cabinet type refrigerating capacity is avoided, the refrigerating capacity of the air conditioner is further improved, and the air conditioning experience is further avoided.

Of course, the connection modes of the plurality of heat exchange tubes 112 and the first connection tube 14 are not limited to the above-mentioned modes, and the connection modes of the plurality of heat exchange tubes 112 and the first connection tube 14 may be flexibly adjusted and set by a person skilled in the art.

In order to more uniformly split the refrigerant, as shown in fig. 1B, the connection member 111 includes a liquid splitting head 1111 and a second connection pipe 1112 connected to each other, the second ends of the heat exchange tubes 112 are connected to the liquid splitting head 1111, during the splitting process, the refrigerant flows into the liquid splitting head 1111 through the second connection pipe 1112, and then the refrigerant is uniformly split into each heat exchange tube 112 through the liquid splitting head 1111, so that the refrigerant is more uniformly distributed in the evaporator 1; during the process of summarizing, the refrigerant flows into the liquid separating head 1111, the refrigerant in each heat exchange tube 112 is summarized, and the summarized refrigerant flows out through the second connecting tube 1112. Of course, the structure of the connection member 111 is not limited to the above-listed structure, and the connection member 111 may include only the second connection pipe 1112, and a person skilled in the art may flexibly adjust and set the structure of the connection member 111.

Preferably, when the heat exchange assembly is the first layer heat exchange assembly 11, since the first layer heat exchange assembly 11 is located above the second layer heat exchange assembly 12 and the refrigerant flows out of the first layer heat exchange assembly 11, in order to facilitate the refrigerant to flow out of the first layer heat exchange assembly 11, the second connection pipe 1112 is connected to the bottom of the liquid separating head 1111, so that the refrigerant can smoothly flow out of the liquid separating head 1111 of the first layer heat exchange assembly 11; when the heat exchange assembly is the second layer heat exchange assembly 12, since the second layer heat exchange assembly 12 is located below the first layer heat exchange assembly 11 and the refrigerant flows into the second layer heat exchange assembly 12, in order to facilitate the refrigerant flowing into the second layer heat exchange assembly 12, the second connecting pipe 1112 is connected to the top of the liquid separating head 1111, so that the refrigerant can smoothly flow into the second layer heat exchange assembly 12.

Further, the liquid dividing head 1111 and the second connection pipe 1112 may be connected by screw connection, welding connection, or the like; the liquid dividing head 1111 and the second connecting pipe 1112 may be integrally formed, and the integrally formed structure is convenient for processing and manufacturing of the mold.

Preferably, as shown in FIG. 1B, the second connecting tube 1112 includes a lateral tube segment 11121 and a vertical tube segment 11122, with a first end of the lateral tube segment 11121 being connected to the dispensing head 1111 via the vertical tube segment 11122.

In order to enable the refrigerant to smoothly flow into the vertical pipe section 11122 from the transverse pipe section 11121 or flow into the transverse pipe section 11121 from the vertical pipe section 11122, the first end of the transverse pipe section 11121 and the first end of the vertical pipe section 11122 are connected through an arc chamfer, the second end of the vertical pipe section 11122 is connected with the liquid separating head 1111, and through the design of the arc chamfer, the resistance of the refrigerant flowing between the transverse pipe section 11121 and the vertical pipe section 11122 is small, so that the refrigerant can smoothly flow into the vertical pipe section 11122 from the transverse pipe section 11121 or flow into the transverse pipe section 11121 from the vertical pipe section 11122.

Preferably, the lateral tube segment 11121 and the vertical tube segment 11122 are integrally formed, and are integrally formed to facilitate mold processing and manufacturing.

Preferably, as shown in fig. 1C, the plurality of heat exchange tubes 112 are uniformly arranged around the circumference of the liquid dividing head 1111, so that the refrigerant is distributed more uniformly in the evaporator 1, and the air flowing through the evaporator 1 can exchange heat with the evaporator 1 sufficiently, however, the plurality of heat exchange tubes 112 may also be non-uniformly arranged around the circumference of the liquid dividing head 1111, for example, most of the heat exchange tubes 112 are arranged at the air inlet 211 end of the evaporator 1 near the indoor unit 2, and a small part of the heat exchange tubes 112 are arranged at the air inlet 211 end of the evaporator 1 far from the indoor unit 2.

Further, the number of heat exchange tubes 112 may be ten, twenty, thirty or any number.

Preferably, the liquid separating head 1111 is of a spherical structure, and the arc degree of the spherical structure at any angle is the same, so long as all the heat exchange tubes 112 are located in the same horizontal plane with the connection position of the spherical structure, and all the heat exchange tubes 112 are uniformly arranged around the circumference of the spherical structure, the refrigerant can be ensured to be uniformly distributed into each heat exchange tube 112, and the refrigerant is further uniformly distributed in the evaporator 1. Of course, the structure of the liquid dividing head 1111 is not limited to the above-described one, and may be a square structure, a triangle structure, an oval structure, or the like.

Preferably, as shown in fig. 1C, the fins 13 are substantially square and are provided in plurality, each fin 13 is provided on the outer wall of all the heat exchange tubes 112 in a manner perpendicular to the axial direction of all the heat exchange tubes 112, and all the fins 13 are provided at intervals in the length direction of the heat exchange tubes 112, and may be provided at equal intervals or non-equal intervals. Of course, the fins 13 may be disposed spirally around the outer wall of each heat exchange tube 112 along the length direction of each heat exchange tube 112, and no matter what manner the fins 13 are connected to the heat exchange tubes 112, as long as the connection manner is beneficial to heat dissipation of the heat exchange tubes 112.

The shape of the fins 13 is not limited to the above-described shape, and the fins 13 may be fan-shaped, circular, polygonal, or the like, as long as the heat exchange tube 112 can be cooled.

Example 2

A first embodiment of the indoor unit of a cabinet air conditioner according to the present invention will be described with reference to fig. 2 to 6.

Referring first to fig. 2, fig. 2 is a block diagram of an indoor unit of a cabinet air conditioner according to a first embodiment of the present invention. As shown in fig. 2, the present invention further provides a cabinet air conditioner indoor unit, which includes a machine body 2, an air inlet 211 and a first air outlet 223 (refer to fig. 4A) are provided on the machine body 2, a humidifying device 3 is provided at the first air outlet 223, a sterilization and purification module 4, a water-receiving disc 5, an evaporator 1 and a blower fan 6 are sequentially provided in the machine body 2 along the air flow direction, the water-receiving disc 5 is provided below the evaporator 1, and the sterilization and purification module 4 is provided at the air inlet 211. The evaporator 1 is the evaporator 1 described in embodiment 1, and the structure thereof is not described in detail in this embodiment.

Through set up above-mentioned evaporimeter 1 in cabinet air conditioner indoor set' S organism 2 for cabinet air conditioner is when the operation, and the refrigerant flows along the direction of spiral, thereby when the air current flows through evaporimeter 1, and heat transfer is more even, and the heat transfer effect is better, has avoided current evaporimeter 1 to be the good problem of poor one end of heat transfer effect one end when the S type is arranged. By providing the humidifying device 3 at the first air outlet 223, the water vapor discharged from the humidifying device 3 can be uniformly mixed with the air flow and sent to all corners of the room by the air supply effect of the first air outlet 223.

Preferably, as shown in fig. 2, the indoor unit of the cabinet air conditioner comprises a base 8 and a body 2, wherein the body 2 is rotatably connected with the base 8, such as by a free rotation connection of a common bearing or by a rotation connection with damping, such as a rotation damping bearing. After the connection, a gap is formed between the machine body 2 and the base 8, an air inlet 211 is arranged at the bottom of the machine body 2, and a guiding inclined plane is further arranged on one side of the base 8, which is close to the machine body 2. The machine body 2 comprises a columnar shell 21 and an annular air outlet structure 22 arranged at the top of the columnar shell 21, the water pan 5, the evaporator 1 and the air supply fan 6 are sequentially arranged in the columnar shell 21 from bottom to top, and the first air outlet 223 is formed in the annular air outlet structure 22. The air supply fan 6 adopts a digital turbine motor (or digital motor), the motor is a motor with the characteristics of high rotating speed, strong suction force and the like, and the highest rotating speed of the motor is close to 11 ten thousand revolutions per minute and is 4-5 times of the rotating speed of the motor of the common fan.

Through with organism 2 and 8 swivelling joint of base for the air conditioner can freely rotate when the installation, conveniently finds best installation angle, reduces the installation degree of difficulty, improves the suitability of air conditioner. Through forming the clearance between organism 2 and base 8 to set up the air intake 211 in the bottom of organism 2, make the area of air intake 211 bigger, the intake is bigger, is favorable to the circulation of indoor air's a large scale, and heat transfer effect and heat exchange efficiency's improvement. The base 8 is provided with a guide inclined plane, so that the air inlet can be initially guided, and the smoothness of the air inlet is improved. By adopting the digital turbine motor as the air supply fan 6, the air conditioner has strong wind power and large air supply capacity, and meets the requirements of users on rapid cooling and heating.

One embodiment of the annular air-out structure is described below with reference to fig. 2, 4A and 4B. FIG. 4A is a cross-sectional view of a first air-out mode of the annular air-out structure of the present invention; fig. 4B is a cross-sectional view of a second air-out mode of the annular air-out structure of the present invention.

As shown in fig. 2, 4A and 4B, the annular air outlet structure 22 includes an inner annular surface 221 and an outer annular surface 222, the outer annular surface 222 is sleeved on the outer side of the inner annular surface 221 and forms an air outlet cavity with the inner annular surface 221, a first air outlet 223 is formed at the front end (i.e. the right end in fig. 4A) of the outer annular surface 222 and the front end (also the right end in fig. 4A) of the inner annular surface 221, a second air outlet 224 is formed at the side surface of the outer annular surface 222, and the rear end of the outer annular surface 222 is in closed connection with the rear end of the inner annular surface 221. The first air outlet 223 is provided with a first baffle mechanism 225, and the first baffle mechanism 225 can selectively open or close the first air outlet 223. Similarly, a second flap mechanism 226 is disposed at the second air outlet 224, and the second flap mechanism 226 can selectively open or close the second air outlet 224. The bottom end of the outer ring surface 222 is further provided with a ventilation hole (not shown in the figure), and after the annular air outlet structure 22 is fixedly connected to the cylindrical shell 21, the air outlet cavity is communicated with the cylindrical shell 21 through the ventilation hole. The humidifying device 3 includes a water tank 31 and an atomizer 32 disposed in the water tank 31, such as an ultrasonic atomizer or an air compression atomizer, the water tank 31 is fixedly connected to the bottom of the inner ring surface 221, and the atomizer 32 can atomize the liquid in the water tank 31 into water mist.

It will be understood by those skilled in the art that although not specifically shown in the drawings of the present embodiment, the implementation manners of the first shutter mechanism 225 and the second shutter mechanism 226 are various, so long as the arrangement manner can effectively realize the opening and closing control of the first air outlet 223 and the second air outlet 224. For example, the first baffle mechanism 225 and/or the second baffle mechanism 226 may be implemented in the form of a linear motor controlled annular retainer ring, and the linear motor drives the annular retainer ring to move back and forth in the air outlet cavity to implement opening and closing control of the first air outlet 223 and/or the second air outlet 224; or the linear motor can be replaced by a combination of a rotary motor, a gear rack, a chain and the like. For another example, the first baffle mechanism 225 and/or the second baffle mechanism 226 can realize the opening and closing control of the second air outlet 224 through an electromagnetic adsorption mode, namely, the retainer ring is made of a metal material, an electromagnetic coil is arranged in the air outlet cavity, an elastic piece is arranged between the retainer ring and the inner ring surface 221 or the outer ring surface 222, the electromagnetic coil generates magnetic force to attract the retainer ring when the power is on, and the elastic piece stores elastic potential energy, so that the first air outlet 223 or the second air outlet 224 is opened; when the electromagnetic coil is powered off, the retainer ring returns to the initial position under the action of the elastic member, so that the first air outlet 223 or the second air outlet 224 is closed. For another example, one of the first shutter mechanism 225 and the second shutter mechanism 226 may be omitted, and the selective opening of either the first air outlet 223 or the second air outlet 224 may be achieved by controlling the movement of the one shutter mechanism.

In particular, an air guiding structure is further provided on the inner annular surface 221 and/or the outer annular surface 222, and the air guiding structure is configured to gradually reduce the air outlet width at the air outlet. For example, the air guiding structure adopts two arc plates as shown in fig. 4A or 4B, and the width of the outlets of the first air outlet 223 and the second air outlet 224 is gradually narrowed by the arrangement of the two arc plates, so that when the air flow passes through the air outlet, venturi effect is generated to accelerate the flow speed, and the spraying effect is realized. At the same time of spraying, negative pressure is generated near the annular air outlet, and the negative pressure can attract air near the annular air outlet to flow together, so that the circulation of indoor air is realized, and the air supply quantity is effectively improved. Of course, the air guiding structure may be any other arrangement manner, as long as the arrangement manner can gradually narrow the air outlet width of the first air outlet 223 and/or the second air outlet 224, which is not described herein.

Through setting up annular air-out structure 22 at the top of column shell 21, set up first air outlet 223 and second air outlet 224 on the annular air-out structure 22 to first air outlet 223 and second air outlet 224 each are furnished with the separation blade mechanism, make the air conditioner possess brand-new air outlet structure and two kinds of air-out forms, spray mode and diffusion mode, and the user can select the air-out mode in a flexible way based on needs. The jet mode can realize the effect of jetting air, the range is far, and the air output is larger; the second air outlet 224 supplies air to two sides in the diffusing mode, so that the air supply area is wide, surrounding air flow can be formed indoors, and circulating circulation of indoor air is enhanced. In addition, the annular air outlet is arranged, so that the air conditioner is novel in structure, the iterative sealing thought of a traditional cabinet product is subverted, and the development and transformation of the air conditioner are promoted. The water tank 31 is fixedly connected to the bottom of the inner ring surface 221, so that the atomized water mist of the atomizer 32 can be directly mixed with air flow discharged from the air outlet and sent to all corners of a room, and the humidifying effect is ensured.

One embodiment of the drip tray of the present invention is described below with reference to fig. 5A and 5B. Fig. 5A is a block diagram of a first embodiment of a drip tray of the present invention; fig. 5B is a structural view of a second embodiment of the drip tray of the present invention.

As shown in fig. 5A and 5B, the water receiving tray 5 includes a circular tray 51 and an annular tray 52 which are vertically arranged up and down and are communicated with each other through a drain pipe 53. Specifically, in a preferred embodiment, the circular disc 51 may be disposed above the annular disc 52 as shown in fig. 4A, and there is a certain contact between the outer edge of the circular disc 51 and the inner edge of the annular disc 52 in the vertical direction. Of course, the circular disk 51 may be disposed below the annular disk 52 as shown in fig. 4B, and there is a certain degree of overlap between the outer edge of the circular disk 51 and the inner edge of the annular disk 52 in the vertical direction.

The water receiving disc 5 adopts a split design of arranging the circular disc 51 and the annular disc 52 up and down, so that the problem that the water receiving disc 5 cannot be arranged below the evaporator 1 in the horizontal arrangement is skillfully solved, and the collection of condensed water is realized on the premise of not influencing air intake. Of course, the specific form of the water tray 5 is not limited, and any modification is intended to fall within the scope of the present invention without departing from the split-up and split-down design of the present invention.

Next, a specific embodiment of the sterilizing and purifying module of the present invention will be described with reference to fig. 6A and 6B. Wherein fig. 6A is a front sectional view of the sterilization and purification module of the present invention; fig. 6B is a top view of the sterilization and purification module of the present invention.

As shown in fig. 6A and 6B, the sterilization and purification module 4 is in a cake shape, and includes a HEPA filter layer 41, a cold catalyst filter layer 42, a negative ion sterilization lamp 43 and an ion transformer 44, wherein the cold catalyst filter layer 42 is located at the top of the cake shape, the HEPA filter layer 41 is located at the bottom of the cake shape, the ion transformer 44 is located at the center of the cake shape, and the negative ion sterilization lamp 43 is provided with a plurality of negative ion sterilization lamps and surrounds the side surface of the ion transformer 44.

Among them, the HEPA filter layer 41 includes three layers (primary filter layer, charge layer, electrostatic dust layer) and has an efficiency of 99.97% or more for removing particles having a diameter of 0.3 μm or less.

The cold catalyst filter layer 42 can perform catalytic reaction at normal temperature, and decompose various harmful and odorous gases into harmless and odorless substances at normal temperature and normal pressure, and the harmful gases are removed from formaldehyde, benzene, dimethylbenzene, toluene, TVOC and the like by being converted from pure physical adsorption into chemical adsorption and simultaneously decomposed to generate water and carbon dioxide. In the catalytic reaction process, the cold catalyst is not directly involved in the reaction, and the cold catalyst is not changed or lost after the reaction and plays a role for a long time. The cold catalyst is nontoxic, non-corrosive and non-combustible, the reaction products are water and carbon dioxide, no secondary pollution is generated, and the service life of the adsorption material is greatly prolonged.

The ion transformer 44 can generate a large amount of negative ions in the energized state, and researches show that the air contains a proper amount of negative ions, so that the air can be efficiently dedusted, sterilized and purified, and meanwhile, oxygen molecules in the air can be activated to form oxygen-carrying negative ions, so that air molecules are activated, the lung function of a human body is improved, metabolism is promoted, disease resistance is enhanced, the central nervous system is regulated, and the human body is refreshed, full of vigor and the like.

The negative ion sterilization spotlight is annularly arranged on the side surface of the ion converter 44, can irradiate and sterilize the air passing through the sterilization and purification module 4, and can play a role in wide irradiation range and no dead angle in sterilization due to the arrangement mode of surrounding the ion converter 44.

It should be noted that, although the foregoing embodiment is described in connection with the sterilizing and purifying module 4 including the HEPA filter layer 41, the cold catalyst filter layer 42, the negative ion sterilizing lamp 43 and the ion inverter 44, one skilled in the art may select one or more of them as the sterilizing and purifying module 4 after being recombined for a specific application scenario to be installed in the indoor unit of the cabinet air conditioner, and the combination does not deviate from the principle of the present invention, and therefore, should fall within the scope of the present invention.

Finally, referring to fig. 3, the operation principle of the indoor unit of the cabinet air conditioner of the present invention is briefly described. Fig. 3 is a schematic operation diagram of an indoor unit of a cabinet air conditioner according to a first embodiment of the present invention.

As shown in fig. 3, when the indoor unit of the cabinet air conditioner works, the digital turbine motor rotates to suck indoor air into the cylindrical shell 21 from the air inlet 211 at the bottom of the cylindrical shell 21, and the air smoothly flows through the water receiving disc 5 arranged separately after being sterilized and purified by the sterilizing and purifying module 4, and is uniformly heat-exchanged with the evaporator 1 arranged in a double-layer spiral manner, and then is sent into the air supply cavity by the digital turbine motor. The air entering the air supply cavity is accelerated to be sprayed into the room from the first air outlet 223 or the second air outlet 224, and in the spraying process, the air is mixed with the water mist atomized by the atomizer 32.

Although the above embodiment has been described in connection with the humidification device 3 being provided on the machine body 2 and the sterilization and purification module 4, the water pan 5, the evaporator 1, and the blower fan 6 being provided in the machine body 2, all the above features are not essential, and those skilled in the art will appreciate that the above arrangement may be suitably omitted so as to combine new embodiments on the premise of ensuring normal operation of the indoor unit of the cabinet air conditioner. For example, one or both of the humidifying device 3 and the sterilizing and purifying module 4 may be omitted based on the above embodiments, thereby combining new cabinet air-conditioning indoor units.

Example 3

A second embodiment of the indoor unit of a cabinet air conditioner of the present application will be described below with reference to fig. 7 to 9C.

Referring first to fig. 7 and 8, the structure of the indoor unit of the cabinet air conditioner will be explained. Fig. 7 is a block diagram of an indoor unit of a cabinet air conditioner according to a second embodiment of the present invention; fig. 8 is a structural diagram of the fresh air module of the present invention.

As shown in fig. 7 and 8, on the basis of the cabinet air conditioner indoor unit of any of the arrangement forms described in embodiment 2, the cabinet air conditioner indoor unit is further provided with a fresh air module 7, the fresh air module 7 is disposed below the machine body 2 and connected with the machine body 2, the fresh air module 7 is provided with an air suction port 711 and an air exhaust port 712, the air suction port 711 is communicated with the outside through a pipeline, and the air exhaust port 712 is communicated with the air inlet 211 of the machine body 2.

The fresh air module 7 is arranged on the indoor unit of the cabinet air conditioner, so that outdoor fresh air can be introduced into the indoor unit of the cabinet air conditioner during operation, the oxygen content of indoor air is ensured, and the problems of indoor air turbidity, poor quality and the like are solved. And after outdoor fresh air is introduced, the fresh air can be subjected to heat exchange treatment, so that the fluctuation of indoor temperature is reduced, and the user experience is improved.

Preferably, as shown in fig. 7, the fresh air module 7 is disposed between the machine body 2 and the base 8, and the fresh air module 7 is respectively and rotatably connected with the machine body 2 and the base 8, for example, the fresh air module 7 is respectively and freely rotatably connected with the machine body 2 and the base 8 through a common bearing, or is connected with a rotary connecting piece with damping such as a rotary damping bearing. After the connection, a gap is formed between the machine body 2 and the fresh air module 7, the air outlet 712 is arranged at the top of the fresh air module 7, and the air inlet 211 is arranged at the bottom of the machine body 2.

Through forming the clearance between organism 2 and new trend module 7 to set up air intake 211 in the bottom of organism 2, make the area of air intake 211 bigger, the intake is bigger, is favorable to improving heat transfer effect and heat exchange efficiency. Through setting up the air exit 712 in the top of new trend module 7 for air exit 712 exhaust new trend can directly get into in the organism 2 and exchange heat, reduces indoor temperature's volatility, improves user experience. Through with new trend module 7 respectively with organism 2 and 8 swivelling joint of base for organism 2 and new trend module 7 homoenergetic free rotation when the air conditioner is installed, conveniently find the best installation angle, reduce the installation degree of difficulty, improve the suitability of air conditioner.

Preferably, as shown in fig. 7 and 8, the fresh air module 7 includes a cylindrical housing 71, and a fresh air fan 72 and a variable speed driving mechanism 73 disposed in the cylindrical housing 71, the variable speed driving mechanism 73 being connected to the fresh air fan 72 so as to drive the fresh air fan 72 to rotate at a variable speed. Specifically, the variable speed driving mechanism 73 includes a driving motor 731, an electric fork 733, and a plurality of gear sets 732 with different gear ratios, wherein driving wheels of the plurality of gear sets 732 are fixedly connected to an output shaft of the driving motor 731, driven wheels of the plurality of gear sets 732 are fixedly connected to a rotating shaft of the fresh air fan 72, and the electric fork 733 is mounted at one of the driving wheels, so that engagement of the different gear sets 732 is achieved by adjusting an extension length of the fork.

Through setting up variable speed actuating mechanism 73 in new trend module 7 and adjusting the rotational speed of new trend fan 72, the fresh air's of this application intake volume can also be adjusted, and the dead wind speed of recombination air supply fan 6 can realize multiple air supply mode, greatly promotes the practicality of air conditioner.

Of course, the switching manner between the different gear sets 732 may be replaced by any other manner besides the electric fork 733, as long as the gear sets 732 can be smoothly switched. For example, engagement of the different gear sets 732 may also be accomplished by two electric pushers pushing the movement of the drive gear in two directions, respectively. Further, the rotation speed of the fresh air fan 72 may be adjusted by other manners, such as by using a servo motor with an adjustable rotation speed to drive the fresh air fan 72 to rotate through the gear set 732.

Three different fresh air modes are described below with reference to fig. 9A to 9C. Fig. 9A is a schematic diagram illustrating the operation of the indoor unit of the cabinet air conditioner in the first fresh air mode according to the second embodiment of the present invention; fig. 9B is a schematic diagram illustrating operation of a second fresh air mode of an indoor unit of a cabinet air conditioner according to a second embodiment of the present invention; fig. 9C is a schematic diagram illustrating the operation of the third fresh air mode of the indoor unit of the cabinet air conditioner according to the second embodiment of the present invention.

As shown in fig. 9A, in the first fresh air mode, the air blower 6 is operated normally, the fresh air blower is operated at a rotation speed lower than that of the air blower 6, and at this time, the air entering the machine body 2 is divided into two parts, one part is from the fresh air module 7, and the other part is from the indoor air, so that the ventilation of the indoor air and the introduction of the fresh air can be simultaneously achieved.

As shown in fig. 9B, in the second fresh air mode, the air blower 6 is operated normally, and the fresh air blower is operated at a rotational speed substantially equal to that of the air blower 6, and the air flow entering the machine body 2 is all outdoor fresh air, so that the fresh air can be heat-exchanged while being introduced, and the fluctuation of indoor temperature is reduced.

As shown in fig. 9C, in the third fresh air mode, the air supply fan 6 is operated normally, the fresh air fan is operated at a higher rotational speed than the air supply fan 6, and at this time, a part of the outdoor fresh air enters the machine body 2 to participate in heat exchange, and another part of the outdoor fresh air is sent into the room from the gap between the machine body 2 and the fresh air module 7, so that the introduction of the fresh air and the stabilization of the indoor temperature can be considered to the greatest extent.

Those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.

Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.

Claims

1. The cabinet air conditioner indoor unit is characterized by comprising a machine body, wherein an air inlet and a first air outlet are formed in the machine body, a humidifying device is arranged at the first air outlet, and an air supply fan, an evaporator and a water receiving disc are sequentially arranged in the machine body from top to bottom; the water receiving disc comprises a circular disc and an annular disc, wherein the circular disc and the annular disc are vertically arranged, and are communicated through a drainage tube; the circular disc is arranged above the annular disc, and a certain degree of coincidence exists between the outer edge of the circular disc and the inner edge of the annular disc in the vertical direction; or the circular disc is arranged below the annular disc, and a certain degree of coincidence exists between the outer edge of the circular disc and the inner edge of the annular disc in the vertical direction;

the evaporator comprises a plurality of layers of heat exchange assemblies and fins arranged on each layer of heat exchange assemblies, and any two layers of heat exchange assemblies are connected through a first connecting pipe.

2. The indoor unit of claim 1, wherein each layer of the heat exchange assembly comprises a connection member and a plurality of heat exchange tubes, a first end of each heat exchange tube is connected to one of the first connection tubes, a second end of each heat exchange tube is connected to the connection member, and the fins are disposed on the heat exchange tubes.

3. The indoor unit of claim 1, wherein the body includes a cylindrical housing and an annular air outlet structure disposed at a top of the cylindrical housing, the air blower and the evaporator are disposed in the cylindrical housing, and the annular air outlet structure is formed with the first air outlet.

4. The indoor unit of claim 3, wherein the annular air outlet structure comprises an inner annular surface and an outer annular surface, the outer annular surface is sleeved outside the inner annular surface and surrounds the inner annular surface to form an air outlet cavity, the front end of the outer annular surface and the front end of the inner annular surface are provided with the first air outlet, the rear end of the outer annular surface is in closed connection with the rear end of the inner annular surface,

the bottom of outer annular face still is provided with the ventilation hole, the air-out chamber passes through the ventilation hole with column shell intercommunication.

5. The indoor unit of claim 4, wherein the outer ring surface is further provided with a second air outlet, the first air outlet is provided with a first blocking piece mechanism, the second air outlet is provided with a second blocking piece mechanism, the first blocking piece mechanism is configured to close or open the first air outlet when in action, and the second blocking piece mechanism is configured to close or open the second air outlet when in action.

6. The indoor unit of claim 4, wherein the humidifying device comprises a water tank and an atomizer disposed in the water tank, and wherein the water tank is fixedly connected to the bottom of the inner annulus.

7. The indoor unit of claim 1, wherein the blower is a digital turbine motor.

8. The indoor unit of claim 1, further comprising a base, wherein the body is rotatably coupled to the base.

9. The indoor unit of claim 8, wherein a gap is formed between the housing and the base, and the air inlet is disposed at a bottom of the housing.