CN210638129U - Cabinet type air conditioner indoor unit - Google Patents

Abstract

The utility model belongs to the technical field of air conditioning, specifically provide a cabinet air conditioner indoor unit. The utility model discloses aim at solving the unsatisfactory and not good problem of humidification effect of heat exchanger heat transfer effect that current cabinet air conditioner indoor set exists. The utility model discloses a cabinet air-conditioning indoor unit, which comprises a body, wherein an air inlet and a first air outlet are arranged on the body, a humidifying device is arranged at the first air outlet, an air supply fan, a heat exchanger and a water pan are arranged in the body, and the water pan is arranged below the heat exchanger; the heat exchanger includes many coil pipes and the fin that sets up on many coil pipes with the parallelly connected mode setting, and the entrance point of many coil pipes is and gathers together the setting, and the exit end of many coil pipes is the diffusion setting to the shape of many coil pipes is dogleg shape, and the end of gathering together of many coil pipes is not in the coplanar with the end that diffuses. Through setting up humidification device in first air outlet department to make aqueous vapor can reach indoorly with the air homogeneous mixing after the heat transfer after, and then effectively promote the humidification effect.

Description

Cabinet type air conditioner indoor unit

Technical Field

The utility model belongs to the technical field of air conditioning, specifically provide a cabinet air conditioner indoor unit.

Background

Along with the continuous improvement of living standard of people, people also put forward higher and higher requirements on living environment. In order to maintain a comfortable ambient temperature, an air conditioner has become an indispensable equipment in human life. In recent years, as air conditioning technology becomes more mature, users have made higher and higher demands on the overall performance of air conditioners. Taking a cabinet air conditioner as an example, generally, under the same condition, the performance of the cabinet air conditioner depends more on the heat exchange efficiency, and the heat exchange efficiency is directly related to the heat exchange area; generally, the larger the heat exchange area, the higher the heat exchange efficiency.

Furthermore, the structure and the arrangement mode of the heat exchanger directly determine the size of the heat exchange area and the heat exchange efficiency. In the existing cabinet air conditioner, the heat exchanger in the indoor unit is usually obliquely arranged in the shell of the indoor unit or attached to the air inlet of the indoor unit, and the coil pipes are arranged in an S shape from one end to the other end. In addition, as is well known, the problem that the air conditioner is too dry when operating for a long time is easily caused, most of the existing air conditioners are not provided with a humidifying device, and even if the existing air conditioners are provided with the humidifying devices, the humidifying function and the heat exchange function of the air conditioner are relatively independent, namely, the humidifying function of the humidifying device is not well matched with the heat exchange function of the air conditioner, so that the problem that the humidifying effect is poor is caused.

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

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, namely solve the problems of unsatisfactory heat exchange effect and poor humidification effect of a heat exchanger in the existing cabinet air-conditioning indoor unit, the utility model provides a cabinet air-conditioning indoor unit, which comprises a unit body, wherein the unit body is provided with an air inlet and a first air outlet, a humidification device is arranged at the first air outlet, an air supply fan, a heat exchanger and a water pan are arranged in the unit body, and the water pan is arranged below the heat exchanger; the heat exchanger comprises a plurality of coil pipes arranged in a parallel connection mode and fins arranged on the plurality of coil pipes, wherein the inlet ends of the plurality of coil pipes are gathered, the outlet ends of the plurality of coil pipes are in diffusion setting, the plurality of coil pipes are in a fold line shape, and the gathering ends and the diffusion ends of the plurality of coil pipes are not located on the same plane.

In the preferable technical scheme of the indoor unit of the cabinet air conditioner, the heat exchanger further comprises a liquid distribution member and an output pipeline, the inlet ends of the plurality of coil pipes are connected with the liquid distribution member, and the outlet ends of the plurality of coil pipes are connected with the output pipeline, so that the refrigerants in the plurality of coil pipes can flow out through the output pipeline.

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

In the preferable technical scheme of the indoor unit of the cabinet air conditioner, the unit body comprises a cylindrical shell and an annular air outlet structure arranged at the top of the cylindrical shell, the air supply fan and the heat exchanger are arranged in the cylindrical shell, and the annular air outlet structure is provided with the first air outlet.

In the preferable technical scheme of the indoor unit of the cabinet air conditioner, 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 form the first air outlet, the rear end of the outer annular surface and the rear end of the inner annular surface are connected in a sealing manner, 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 above-mentioned preferred technical solution of the cabinet air-conditioning indoor unit, a second air outlet is further provided on the outer annular surface, the first air outlet is provided with a first flap mechanism, the first flap mechanism is configured to close or open the first air outlet when acting, the second air outlet is provided with a second flap mechanism, and the second flap mechanism is configured to close or open the second air outlet when acting.

In the preferable technical scheme of the indoor unit of the cabinet air conditioner, 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 ring surface.

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

In the preferable technical scheme of the cabinet air-conditioning indoor unit, the cabinet air-conditioning indoor unit further comprises a base, and the machine body is rotatably connected with the base.

In the preferable technical scheme of the indoor unit of the cabinet air conditioner, a gap is formed between the machine body and the base, and the air inlet is arranged at the bottom of the machine body.

As can be understood by those skilled in the art, in the technical scheme of the present invention, the cabinet air conditioner indoor unit of the present invention 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, a heat exchanger and a water pan are arranged in the machine body, and the water pan is arranged below the heat exchanger; the heat exchanger comprises a plurality of coil pipes arranged in a parallel connection mode and fins arranged on the plurality of coil pipes, wherein the inlet ends of the plurality of coil pipes are gathered, the outlet ends of the plurality of coil pipes are in diffusion setting, the plurality of coil pipes are in a fold line shape, and the gathering ends and the diffusion ends of the plurality of coil pipes are not located on the same plane. It can be understood that the existing coil pipes are generally in a linear type or an S-shaped type, and the shape of the plurality of coil pipes is set to be a fold line shape, so that the length of each coil pipe is effectively increased, and the heat exchange area of the heat exchanger is further effectively increased; meanwhile, the utility model also effectively increases the contact area between the heat exchanger and the air by adding fins on the coil pipe, so as to further improve the heat exchange effect; in addition, because the air flows from the inlet end to the outlet end of the coil pipes, the inlet ends of the coil pipes are arranged to be gathered, the outlet ends of the coil pipes are arranged to be diffused, so that the heat exchanger is in a funnel shape as a whole, so that the lower surface of the heat exchanger has a larger heat exchange area, the contact area of the air and the heat exchanger can be effectively increased when the air is blown into the heat exchanger from the inlet end, thereby effectively improving the heat exchange effect of the heat exchanger, and simultaneously when air enters the outlet end of the heat exchanger through heat exchange, because the funnel-shaped heat exchanger can better disperse the air after heat exchange, the air after heat exchange can be more uniformly blown out, so that when effectively promoting the heat transfer effect, can also effectively guarantee the effect of even heat transfer, and then furthest promotes user's use and experiences. Furthermore, the utility model discloses still through inciting somebody to action humidification device sets up first air outlet department, thereby make the aqueous vapor that humidification device produced in humidification process can be with the help of air supply fan's air supply effect is blown off better to these aqueous vapors can reach whole interior space with the air homogeneous mixing after the heat transfer and send better, and then effectively promote cabinet air conditioner's humidification effect.

Further, in the preferred technical scheme of the utility model, the utility model discloses a set up the liquid separation component and realize the liquid separation effect to the refrigerant can just carry out the liquid separation when entering the heat exchanger, and then effectively reduce the loss of heat in the transmission process; and simultaneously, the utility model discloses still through setting up output line makes refrigerant homoenergetic in the many coil pipes can collect among the output line, the rethread output line flows out together to further reduce the heat loss of refrigerant in transmission process.

Further, in the preferred technical scheme of the utility model, the utility model discloses a split type design that water collector adopted circular dish and annular disc to arrange from top to bottom has solved the problem that the water collector can't be arranged to the below when heat exchanger level was arranged ingeniously, and then can also realize the collection of comdenstion water under the prerequisite that does not influence the air inlet.

Further, in the preferred technical scheme of the utility model, the utility model discloses an air supply fan with the heat exchanger set up in the column shell, and annular air-out structure is formed with first air outlet, so that make realize the air after the heat transfer in the column shell and can enter into realize being blown off again after the compression in the annular air-out structure, thereby effectively promote the air supply effect of cabinet air conditioner indoor set.

Further, in the preferred technical solution of the present invention, the annular air outlet structure of the present invention is further provided with a second air outlet, and the first air outlet and the second air outlet are respectively configured with a blocking piece mechanism, so that the cabinet air conditioner can have a completely new air outlet structure and two air outlet forms (spray mode and diffusion mode), so that the air outlet volume of the cabinet air conditioner is larger, the air supply area is wider, and the range is farther; the user can flexibly select the air outlet mode based on the requirement, so that the cabinet air conditioner can better meet different use requirements of the user.

Further, in the preferred technical scheme of the utility model, the utility model discloses a humidification device's water tank fixed connection in the bottom of interior anchor ring face, because the aqueous vapor that the atomizer produced all can the rebound, just in time makes the setting be in the structural air outlet of annular air-out can be better with the aqueous vapor that humidification device produced takes out, so that the heat transfer function of cabinet air conditioner can combine together with the humidification function better, and then effectively promotes cabinet air conditioner's humidification effect.

Further, in the preferred technical scheme of the utility model, the utility model discloses a will the organism with the base sets up to swivelling joint's mode, makes the indoor machine of cabinet air conditioner can free rotation when the installation to the user can confirm best installation angle by oneself according to indoor actual conditions, thereby effectively reduces the installation degree of difficulty, and then effectively improves the suitability of cabinet air conditioner.

Further, in the preferred technical scheme of the utility model, the utility model discloses an in the organism with form the clearance between the base to be favorable to the air to flow, and will the air intake sets up the bottom of organism, so that make the area of air intake can be bigger, and then makes the intake of cabinet air conditioner is bigger, so that effectively improve cabinet air conditioner's heat transfer effect and heat exchange efficiency.

Drawings

Fig. 1 is a front cross-sectional view of a heat exchanger of the present invention;

fig. 2 is a top view of the heat exchanger of the present invention;

fig. 3 is a schematic view of the internal structure of a first preferred embodiment of the indoor unit of a cabinet air conditioner of the present invention;

fig. 4 is a cross-sectional view of a first air outlet mode of the annular air outlet structure of the present invention;

fig. 5 is a cross-sectional view of a second air outlet manner of the annular air outlet structure of the present invention;

fig. 6 is a schematic structural view of a first preferred embodiment of the water pan of the present invention;

fig. 7 is a schematic structural view of a second preferred embodiment of the water pan of the present invention;

FIG. 8 is a front cross-sectional view of the sterilization and purification module of the present invention;

FIG. 9 is a top view of the sterilization and purification module of the present invention;

fig. 10 is a schematic view showing the operation of the first preferred embodiment of the indoor unit of the cabinet air conditioner of the present invention;

fig. 11 is a schematic view of the internal structure of a cabinet air-conditioner indoor unit according to a second preferred embodiment of the present invention;

fig. 12 is a schematic view of the internal structure of the fresh air module of the present invention;

fig. 13 is a schematic diagram showing the operation of the first fresh air mode of the cabinet air conditioner indoor unit according to the second preferred embodiment of the present invention;

fig. 14 is a schematic diagram of a second fresh air mode of the second preferred embodiment of the indoor unit of the cabinet air conditioner of the present invention;

fig. 15 is a schematic diagram of the third air supply mode of the cabinet air-conditioner indoor unit according to the second preferred embodiment of the present invention.

Reference numerals:

1. a body; 11. a cylindrical housing; 111. an air inlet; 12. an annular air outlet structure; 121. an inner ring surface; 122. an outer annular surface; 123. a first air outlet; 124. a second air outlet; 125. a first catch mechanism; 126. a second catch mechanism;

2. a humidifying device; 21. a water tank; 22. an atomizer;

3. an air supply fan;

4. a heat exchanger; 41. a coil pipe; 411. a horizontal segment; 412. a vertical section; 42. a fin; 43. a liquid separating member; 44. an output pipeline;

5. a water pan; 51. a circular disc; 52. an annular disc; 53. a drainage tube;

6. a base;

7. a sterilization purification module; 71. a HEPA filter layer; 72. a cold catalyst filter layer; 73. a negative ion germicidal lamp; 74. an ion converter;

8. a fresh air module; 81. a cylindrical housing; 811. an air suction opening; 812. an air outlet; 82. a fresh air fan; 83. a variable speed drive mechanism; 831. a drive motor; 832. a gear set; 833. an electric shifting fork.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.

It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "center", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or the element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, and an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 specific situations.

Referring first to fig. 1 and 2, wherein fig. 1 is a front sectional view of a heat exchanger of the present invention; fig. 2 is a top view of the heat exchanger of the present invention. As shown in fig. 2, the heat exchanger 4 of the present invention includes a plurality of coils 41 arranged in parallel and fins 42 arranged on the plurality of coils 41, the inlet ends of the plurality of coils 41 are gathered together, and the outlet ends of the plurality of coils 41 are diffusion-arranged. As shown in fig. 1, each of the coils 41 is in a zigzag shape, and the converging end and the diverging end of the plurality of coils 41 are not in the same plane. It should be noted that although the inlet ends of the plurality of coils 41 in the preferred embodiment are finally gathered at the same point, the inlet ends of the plurality of coils 41 may be distributed, as long as the outlet ends of the plurality of coils 41 are in a state of being spread with respect to the inlet ends thereof, that is, as long as the overall shape of the heat exchanger 4 is close to a trumpet shape. And simultaneously, the utility model discloses also do not make any restriction to the concrete shape and the quantity of fin 42, as long as fin 42 can link to each other with coil pipe 41 to it can to be favorable to the heat dissipation of coil pipe 41. In addition, it should be noted that the present invention does not limit the specific shape of the coil pipe 41, that is, the technician can set the bending angle of the coil pipe 41 according to the actual use requirement, and the shapes of different coil pipes 41 can be the same or different, as long as the whole coil pipe 41 is in a zigzag shape.

Referring next to fig. 1, as a preferred embodiment, each coil 41 includes a plurality of horizontal sections 411 and vertical sections 412 connected to each other, so that each coil 41 is stepped, and when the heat exchanger 4 is installed in place, the horizontal sections 411 are disposed horizontally, and the vertical sections 412 are disposed vertically, where the direction of the arrows in the figure is the flow direction of the refrigerant. It should be noted that, obviously, this arrangement is not restrictive, and the technician can set the specific shape of each coil 41 and the overall shape of all the coils 41 after being installed in place according to the actual use requirement. In addition, it can be understood that, because the fins 42 are arranged perpendicular to the length direction of the section of the coil 41, the coil 41 is arranged in a structure formed by a plurality of horizontal sections 411 and vertical sections 412, so that the air can be in contact with the coil 41 or the fins 42 in the front, and the heat exchange effect of the heat exchanger 4 is further effectively ensured. Preferably, the fins 42 include a plurality of annular fins with different radial dimensions, each of the annular fins is provided with through holes with the same number as that of the coil pipes 41, and the annular fins can be directly sleeved on all the coil pipes 41 through the through holes so that each annular fin is in contact with all the coil pipes 41; meanwhile, the size of the annular fins and the arrangement positions of the through holes also determine the spatial position of each coil 41 after installation, and when the heat exchanger 4 is assembled in place, each annular fin is perpendicular to the length direction of the coil. It can be understood by those skilled in the art that the present invention does not limit the specific shape and installation manner of the fins 42, and the skilled person can set the shape according to the actual use requirement.

Further, in the preferred embodiment, the inlet ends of the plurality of coils 41 are further provided with a liquid distribution member 43, a spherical cavity is formed in the liquid distribution member 43, and a liquid inlet hole and a plurality of liquid outlet holes are formed in the liquid distribution member 43, and both the liquid inlet hole and the liquid outlet holes are communicated with the spherical cavity; the number of the liquid outlet holes is equal to that of the coil pipes 41, the liquid distribution member 43 is communicated with the main pipeline of the cabinet air conditioner through the liquid inlet holes, so that the refrigerant in the main pipeline can flow into the liquid distribution member 43 through the liquid inlet holes, and each liquid outlet hole of the liquid distribution member 43 is respectively connected with the inlet end of one coil pipe 41, so that the refrigerant in the main pipeline can uniformly flow into each coil pipe 41 after being subjected to liquid distribution by the liquid distribution member 43. It should be noted that, the present invention does not limit the specific structure of the liquid separating member 43, as long as the liquid separating member 43 can perform the function of separating the liquid; and simultaneously, the utility model discloses can also not set up and divide liquid component 43, directly link to each other every coil pipe 41 with the refrigerant pipeline of difference promptly can.

Furthermore, it can be understood that the utility model discloses a divide liquid component 43 effectively guarantees to divide liquid component 43 can evenly divide the reposition of redundant personnel through setting up spherical cavity, because spherical cavity is central symmetry, consequently, the atress condition of each point in the spherical cavity also is symmetric distribution, and then helps dividing liquid component 43 can evenly divide the liquid. After the refrigerant enters the spherical cavity through the liquid inlet hole of the liquid separating member 43, the refrigerant is not influenced by concentrated stress in the spherical cavity because the spherical cavity is a smooth curved surface, so that the pressure at each liquid outlet hole of the liquid separating member 43 is consistent, that is, the stress condition at each liquid outlet hole is similar, so that the refrigerant in the spherical cavity can uniformly flow into each coil pipe 41 through the plurality of liquid outlet holes of the liquid separating member 43, and further, the liquid separating member 43 can be effectively and uniformly distributed, so that the heat exchange efficiency of the cabinet air conditioner can be effectively ensured.

With continued reference to fig. 1 and 2, as a preferred embodiment, the heat exchanger 4 of the present invention further includes a circular output pipe 44, and the outlet ends of all the coils 41 are connected to the output pipe 44. Specifically, the output pipeline 44 is provided with through holes having the same number as the number of the coil pipes 41, and each coil pipe 41 is correspondingly connected to one through hole, so that the refrigerants in all the coil pipes 41 can flow out through the output pipeline 44, and the heat loss of the refrigerants in the transmission process is further reduced. It should be noted that the present invention does not limit the specific shape of the output pipeline 44, and the output pipeline 44 may be circular, square, or other shapes; meanwhile, the heat exchanger 4 may not even be provided with the output pipeline 44, that is, all the coils 41 may be directly connected to the main pipeline of the packaged air conditioner. Furthermore, the through holes on the output pipeline 44 are uniformly arranged along the circumferential direction, that is, the outlet ends of the plurality of coils 41 of the heat exchanger 4 are uniformly connected to the output pipeline 44 along the circumferential direction, so that the same distance can be kept between two adjacent coils 41, thereby effectively ensuring that each coil 41 can have the same heat exchange space. Furthermore, it will be understood by those skilled in the art that this connection is not limiting, and the skilled person can set the specific connection relationship between each coil 41 and the output pipeline 44 according to the actual use requirement.

A first preferred embodiment of a cabinet air-conditioning indoor unit according to the present invention will be described with reference to fig. 1 to 10:

referring first to fig. 3, the internal structure of the cabinet air conditioner indoor unit according to the first preferred embodiment of the present invention is schematically shown. As shown in fig. 3, the utility model discloses a cabinet air conditioner indoor unit includes organism 1, is provided with air intake 111 and first air outlet 123 on the organism 1 to first air outlet 123 department is provided with humidification device 2, has set gradually along the air flow direction in the organism 1 and has disinfected purification module 7, water collector 5, heat exchanger 4 and air supply fan 3, and water collector 5 sets up in the below of heat exchanger 4, and the purification module 7 that disinfects sets up in air intake 111 department. The inner wall of the machine body 1 is provided with a limiting bulge, and the heat exchanger 4 can be fixed in the machine body 1 through the limiting bulge because the whole heat exchanger 4 is in a horn shape; it should be noted that this mounting manner is not limited, and a skilled person may set a specific mounting manner of the heat exchanger 4 according to actual use requirements, for example, bonding, bolting, etc. The utility model discloses a set up in cabinet air conditioner indoor set's organism 1 in above-mentioned preferred embodiment heat exchanger 4, make the cabinet air conditioner can the heat transfer more even when the operation, the heat transfer effect is better to effectively avoid the not good problem of current heat exchanger heat transfer effect. And simultaneously, the utility model discloses still through setting up humidification device 2 in first air outlet 123 department for 2 exhaust steam of humidification device can be with the help of the air supply effect of first air outlet 123, and the air after the heat transfer is evenly mixed and is delivered to indoor each corner. It should be noted that, although the cabinet air-conditioning indoor unit described in the preferred embodiment is provided with the sterilization and purification module 7 inside the body 1, this is not limiting, and the cabinet air-conditioning indoor unit of the present invention may obviously not include the sterilization and purification module 7, that is, the lower portion of the water receiving tray 5 may be directly set as the air inlet 111.

With continued reference to fig. 3, in a possible embodiment, the cabinet air-conditioning indoor unit further comprises a base 6, and the cabinet 1 is connected with the base 6 in a rotating manner, for example, by a free-rotation connection with a common bearing, or by a rotating connection with damping such as a rotary damping bearing. After the machine body 1 and the base 6 are connected in place, a gap is formed between the machine body 1 and the base 6, the air inlet 111 is arranged at the bottom of the machine body 1, and a guide inclined plane is further arranged on one side of the base 6 close to the machine body 1 so as to facilitate air flow. Meanwhile, the machine body 1 includes a cylindrical housing 11 and an annular air outlet structure 12 arranged at the top of the cylindrical housing 11, wherein the water pan 5, the heat exchanger 4 and the air supply fan 3 are sequentially arranged in the cylindrical housing 11 from bottom to top, and the first air outlet 123 is formed in the annular air outlet structure 12. Preferably, the air supply fan 3 adopts a digital turbine motor (or called digital motor or digital motor), the motor has the characteristics of high rotating speed, strong suction force generation and the like, and the maximum 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 a common fan. The utility model discloses a with organism 1 and 6 swivelling joints of base for the air conditioner can the free rotation when the installation, conveniently finds the best installation angle, reduces the installation degree of difficulty, improves the suitability of air conditioner. And simultaneously, the utility model discloses still through forming the clearance between organism 1 and base 6 to set up air intake 111 in organism 1's bottom, make air intake 111's area bigger, the intake is bigger, so that be favorable to the circulation on a large scale of indoor air, and the improvement of heat transfer effect and heat exchange efficiency. Meanwhile, a guide inclined plane is further arranged on the base 6, so that the air inlet can be initially guided, and the smoothness of the air inlet is effectively improved.

A specific embodiment of the annular air outlet structure is described below with reference to fig. 3, 4 and 5, wherein fig. 4 is a cross-sectional view of a first air outlet manner of the annular air outlet structure of the present invention; fig. 5 is a cross-sectional view of a second air outlet mode of the annular air outlet structure of the present invention. As shown in fig. 3-5, the annular air outlet structure 12 includes an inner annular surface 121 and an outer annular surface 122, the outer annular surface 122 is disposed outside the inner annular surface 121 and surrounds the inner annular surface 121 to form an air outlet cavity, a first air outlet 123 is formed at the front end of the outer annular surface 122 and the front end of the inner annular surface 121, a second air outlet 124 is formed at the side surface of the outer annular surface 122, and the rear end of the outer annular surface 122 is connected to the rear end of the inner annular surface 121 in a sealing manner. The first outlet 123 is configured with a first flap mechanism 125, and the first flap mechanism 125 can selectively open or close the first outlet 123. Similarly, a second blocking mechanism 126 is disposed at the second air outlet 124, and the second blocking mechanism 126 can selectively open or close the second air outlet 124. Meanwhile, the bottom end of the outer annular surface 122 is further provided with a vent hole, and after the annular air outlet structure 12 is fixedly connected to the cylindrical shell 11, the air outlet cavity is communicated with the cylindrical shell 11 through the vent hole. Furthermore, the humidifying device 2 includes a water tank 21 and an atomizer 22, such as an ultrasonic atomizer or an air compression atomizer, disposed in the water tank 21, wherein the water tank 21 is fixedly connected to the bottom of the inner annular surface 121, and the atomizer 22 can atomize the liquid in the water tank 21 into water mist.

It can be understood by those skilled in the art that although the specific structures of the first flap mechanism 125 and the second flap mechanism 126 are not specifically shown in the drawings of the present embodiment, the implementation forms of the first flap mechanism 125 and the second flap mechanism 126 are obviously various as long as the arrangement manner can effectively implement the opening and closing control of the first air outlet 123 and the second air outlet 124. For example, the first flap mechanism 125 and/or the second flap mechanism 126 may be implemented by controlling an annular collar with a linear motor, and the linear motor drives the annular collar to move back and forth in the air outlet cavity to implement opening and closing control of the first air outlet 123 and/or the second air outlet 124; 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 flap mechanism 125 and/or the second flap mechanism 126 may also achieve opening and closing control of the first air outlet 123 and/or the second air outlet 124 through electromagnetic adsorption, that is, the retainer ring is made of a metal material, an electromagnetic coil is disposed in the air outlet cavity, an elastic member is disposed between the retainer ring and the inner annular surface 121 or the outer annular surface 122, when the electromagnetic coil is powered on, the electromagnetic coil generates magnetic force to attract the retainer ring, and the elastic member stores elastic potential energy, so as to open the first air outlet 123 and/or the second air outlet 124; when the electromagnetic coil is powered off, the retainer ring returns to the initial position under the action of the elastic member, and the first air outlet 123 and/or the second air outlet 124 are/is closed. For another example, one of the first flap mechanism 125 and the second flap mechanism 126 may be omitted, and selective opening of any one of the first air outlet 123 and the second air outlet 124 may be achieved only by controlling movement of the one flap mechanism.

Furthermore, the inner ring surface 121 and/or the outer ring surface 122 are further provided with an air guiding structure, and the air guiding structure is configured to gradually reduce the air outlet width at the air outlet. Adopt as two arcs shown in fig. 3 or 4 like wind-guiding structure, the setting up of two arcs makes the outlet width of first air outlet 123 and second air outlet 124 narrow gradually to can produce the venturi effect and accelerate the velocity of flow when the air current passes through air outlet department, realize the effect of spraying. And negative pressure is generated near the annular air outlet during the injection, 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 of the cabinet air conditioner indoor unit is effectively improved. Of course, the air guiding structure may also be in any other arrangement manner as long as the arrangement manner can gradually narrow the air outlet width of the first air outlet 123 and/or the second air outlet 124. It can be understood that the utility model discloses a set up annular air-out structure 12 at the top of column shell 11, set up first air outlet 123 and second air outlet 124 on annular air-out structure 12 to still respectively dispose a separation blade mechanism in first air outlet 123 and second air outlet 124 department, thereby make machine in the cabinet air conditioner possess brand-new air outlet structure and two kinds of air-out forms, spray mode and diffusion mode promptly, the user can select the air-out mode based on needs are nimble. The spraying mode can realize the spraying air-out effect, the spraying range is far, and the air outlet quantity is larger; in the diffusion mode, air is supplied to both sides from the second air outlet 124, the air supply area is wide, airflow can be formed around the room, and the circulation of the indoor air is enhanced. In addition, the arrangement of the annular air outlet enables the air conditioner to be novel in structure, the iterative sealing idea of the traditional cabinet type air conditioner product is subverted, and the development change of the air conditioner is promoted. The utility model discloses still through the bottom with water tank 21 fixed connection at interior anchor ring 121 for the water smoke that atomizer 22 produced can be directly sent to indoor each corner with air outlet department exhaust air current mixture, thereby effectively strengthens the humidification effect.

A specific embodiment of the water pan of the present invention will be described with reference to fig. 6 and 7; fig. 6 is a schematic structural view of a first preferred embodiment of the water pan of the present invention; fig. 7 is a schematic structural view of a second preferred embodiment of the water pan of the present invention. As shown in fig. 6 and 7, the drip tray 5 includes a circular tray 51 and an annular tray 52 which are arranged vertically up and down and are communicated with each other through a draft tube 53. In particular, in a more preferred embodiment, the circular disc 51 may be disposed above the annular disc 52 in the manner shown in fig. 6, and there is a certain degree of overlap of 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 also be disposed below the annular disk 52 in the manner shown in fig. 7, and there is a certain overlap of the outer edge of the circular disk 51 and the inner edge of the annular disk 52 in the vertical direction. It can be understood that the utility model discloses a water collector 5 adopts the split type design of circular plate 51 and annular disc 52 range from top to bottom, has solved the problem that water collector 5 can't be arranged to the below when 4 levels of heat exchanger are arranged ingeniously, and then realizes the collection of comdenstion water under the prerequisite that does not influence the air inlet. Of course, the specific form of the above-mentioned water-receiving tray 5 is not restrictive, and any form of modification may fall within the scope of protection of the present application without departing from the upper and lower split design of the present application.

A specific embodiment of the sterilization and purification module of the present invention will be described with reference to fig. 8 and 9; wherein, fig. 8 is a front sectional view of the sterilization and purification module of the present invention; fig. 9 is a plan view of the sterilization and purification module of the present invention. As shown in fig. 8 and 9, the sterilization and purification module 7 of the present invention is in a cake shape, which includes a HEPA filter layer 71, a cold catalyst filter layer 72, an anion germicidal lamp 73 and an ion converter 74, wherein the cold catalyst filter layer 72 is located at the top of the cake shape, the HEPA filter layer 71 is located at the bottom of the cake shape, the ion converter 74 is located at the center of the cake shape, and the anion germicidal lamp 73 is provided with a plurality of rings and surrounds the side of the ion converter 74. Further, the HEPA filter layer 71 includes three layers (a primary filter layer, a charge layer, and an electrostatic dust collection layer), and its removal efficiency of fine particles having a diameter of 0.3 μm or less can be 99.97% or more. The cold catalyst filter layer 72 can perform catalytic reaction at normal temperature, decompose various harmful and odorous gases into harmless and tasteless substances at normal temperature and normal pressure, convert simple physical adsorption into chemical adsorption, and decompose while adsorbing, so that the harmful gases such as formaldehyde, benzene, xylene, toluene, TVOC and the like are effectively removed, and water and carbon dioxide are generated. In the catalytic reaction process, the cold catalyst does not directly participate in the reaction, and the cold catalyst is not changed and lost after the reaction and plays a role for a long time. The cold catalyst is non-toxic, non-corrosive and non-combustible, the reaction product is water and carbon dioxide, no secondary pollution is generated, and the service life of the adsorption material is greatly prolonged. The ion converter 74 can generate a large amount of negative ions in a power-on state, and researches show that the air contains a proper amount of negative ions, so that the air can efficiently remove dust, sterilize and purify air, and simultaneously can activate oxygen molecules in the air to form oxygen-carrying negative ions, activate air molecules, improve the lung function of a human body, promote metabolism, enhance disease resistance, regulate a central nervous system, enable the human body to be refreshed and energetic, and the like. The negative ion sterilization spotlight annularly surrounds the side face of the ion converter 74, can irradiate and sterilize the air passing through the sterilization and purification module 7, and can achieve the effects of wide irradiation range and no sterilization dead angle due to the arrangement mode of surrounding the ion converter 74. Of course, it can be understood by those skilled in the art that although the above preferred embodiment is described in conjunction with the case where the sterilization and purification module 7 includes the HEPA filter layer 71, the cold catalyst filter layer 72, the negative ion sterilization lamp 73 and the ion converter 74, it is obvious to those skilled in the art that one or more of them may also be selected as the sterilization and purification module 7 after being recombined for a specific application scenario to be installed in the cabinet air conditioner indoor unit, and the combination does not depart from the principle of the present application, and therefore, the present application shall fall within the protection scope of the present application.

Next, referring to fig. 10, it is a schematic diagram of a cabinet air conditioner indoor unit according to a first preferred embodiment of the present invention. As shown in fig. 10, when the cabinet air conditioner indoor unit operates, the digital turbine motor rotates to suck indoor air into the cylindrical casing 11 from the air inlet 111 at the bottom of the cylindrical casing 11, and the air is efficiently sterilized and purified by the sterilization and purification module 7, then smoothly flows through the water pan 5 which is separately arranged, and is sent into the air blowing cavity by the digital turbine motor after uniformly exchanging heat with the heat exchanger 4. The air entering the air supply cavity is accelerated to be sprayed into the room from the first air outlet 123 or the second air outlet 124, and in the spraying process, the air is mixed with the water mist atomized by the atomizer 22. It should be noted that, although the above preferred embodiment is described in connection with the case where the humidifying device 2 is provided on the machine body 1, and the sterilization and purification module 7, the water pan 5, the heat exchanger 4 and the air supply fan 3 are provided in the machine body 1, all of the above features are not essential, and those skilled in the art can understand that, on the premise that the cabinet air conditioner indoor unit can be ensured to operate normally, the above arrangement can be appropriately omitted to combine with a new embodiment. For example, a new cabinet air-conditioning indoor unit can be combined by omitting one or both of the humidifying device 2 and the sterilization and purification module 7 on the basis of the above embodiment; changes in this particular arrangement are within the purview of this application without departing from the principles of the application and are intended to be covered thereby.

A second preferred embodiment of the cabinet air-conditioner indoor unit according to the present invention will be described with reference to fig. 11 to 15:

referring to fig. 11 and 12, fig. 11 is a schematic view of an internal structure of a cabinet air conditioner indoor unit according to a second preferred embodiment of the present invention, and fig. 12 is a schematic view of an internal structure of a fresh air module according to the present invention. As shown in fig. 11 and 12, on the basis of any of the configurations of the cabinet air-conditioning indoor unit described in the first preferred embodiment of the cabinet air-conditioning indoor unit, the utility model discloses a cabinet air-conditioning indoor unit is further provided with a fresh air module 8, the fresh air module 8 is disposed below the machine body 1 and connected with the machine body 1, and the fresh air module 8 is provided with an air suction opening 811 and an air outlet 812, the air suction opening 811 is communicated with the outdoor through a pipeline, and the air outlet 812 is communicated with the air inlet 111 of the machine body 1. In a preferred embodiment, the fresh air module 8 is disposed between the machine body 1 and the base 6, and the fresh air module 8 is respectively connected with the machine body 1 and the base 6 in a rotating manner, for example, the fresh air module 8 is respectively connected with the machine body 1 and the base 6 through a common bearing in a free rotating manner, or through a rotary connecting member with damping such as a rotary damping bearing. After the connection, a gap is formed between the machine body 1 and the fresh air module 8, the air outlet 812 is arranged at the top of the fresh air module 8, and the air inlet 111 is arranged at the bottom of the machine body 1.

With reference to fig. 12, in a preferred embodiment, the fresh air module 8 includes a cylindrical housing 81, and a fresh air fan 82 and a variable speed driving mechanism 83 disposed in the cylindrical housing 81, wherein the variable speed driving mechanism 83 is connected to the fresh air fan 82 so as to drive the fresh air fan 82 to rotate at variable speed. Specifically, the variable-speed driving mechanism 83 includes a driving motor 831, an electric fork 833 and a plurality of gear sets 832 with different gear ratios, driving wheels of the gear sets 832 are fixedly connected to an output shaft of the driving motor 831, driven wheels of the gear sets 832 are fixedly connected to a rotating shaft of the fresh air fan 82, and the electric fork 833 is erected at one of the driving wheels, so that meshing of the gear sets 832 is realized by adjusting the extension length of the fork. The utility model discloses a set up variable speed actuating mechanism 83 and adjust the rotational speed of new trend fan 82 in new trend module 8, this application can also realize multiple air supply mode through the intake of adjusting the new trend, the different wind speeds of reunion air supply fan 3 to greatly degree promotes cabinet air conditioner's practicality. Furthermore, it can be understood by those skilled in the art that the switching manner between the different gear sets 832 can be replaced by any other manner besides using the electric fork 833 as long as the manner can smoothly switch the gear sets 832. For example, the meshing of the different gear sets 832 can be achieved by two electric push rods respectively pushing the driving gears to move from two directions. Further, the rotation speed of the fresh air fan 82 can be adjusted in other manners, such as by using a servo motor with adjustable rotation speed to drive the fresh air fan 82 to rotate through the gear set 832.

Three fresh air modes of the cabinet air-conditioning indoor unit are described with reference to fig. 13 to 15, wherein fig. 13 is a working principle diagram of a first fresh air mode of a second preferred embodiment of the cabinet air-conditioning indoor unit of the present invention, fig. 14 is a working principle diagram of a second fresh air mode of a second preferred embodiment of the cabinet air-conditioning indoor unit of the present invention, and fig. 15 is a working principle diagram of a third fresh air mode of a second preferred embodiment of the cabinet air-conditioning indoor unit of the present invention. As shown in fig. 13, in the first fresh air mode, the air supply fan 3 operates normally, the fresh air fan 82 operates at a rotation speed lower than that of the air supply fan 3, at this time, the air entering the machine body 1 is divided into two parts, one part is from the fresh air module 8, and the other part is from the indoor air, and the air supply mode can take account of the circulation of the indoor air and the introduction of the fresh air. As shown in fig. 14, in the second fresh air mode, the air supply fan 3 operates normally, the fresh air fan 82 operates at a rotating speed approximately equal to that of the air supply fan 3, the air flow entering the machine body 1 at the moment is all outdoor fresh air, and the air supply mode can perform heat exchange treatment on the fresh air while introducing the fresh air, so that the fluctuation of the indoor temperature is effectively reduced. As shown in fig. 15, in the third fresh air mode, the air supply fan 3 operates normally, the fresh air fan 82 operates at a higher speed than the air supply fan 3, at this time, a part of outdoor fresh air enters the machine body 1 to participate in heat exchange, and the other part of outdoor fresh air is sent into the room from the gap between the machine body 1 and the fresh air module 8. Of course, it should be noted that the present invention is not right to make any limitation on the specific operation mode of the cabinet air-conditioning indoor unit, and the technical personnel can set the operation mode by themselves according to the actual use requirement, as long as the structure of the cabinet air-conditioning indoor unit is the same as the structure of the present application, which belongs to the protection scope of the present invention.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, 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.

So far, the technical solution of the present invention has been described with reference to the accompanying drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims (10)

1. A cabinet air-conditioning indoor unit is characterized by comprising a unit body, wherein an air inlet and a first air outlet are formed in the unit body, a humidifying device is arranged at the first air outlet, an air supply fan, a heat exchanger and a water pan are arranged in the unit body, and the water pan is arranged below the heat exchanger;

the heat exchanger comprises a plurality of coil pipes arranged in a parallel connection mode and fins arranged on the plurality of coil pipes, wherein the inlet ends of the plurality of coil pipes are gathered, the outlet ends of the plurality of coil pipes are in diffusion setting, the plurality of coil pipes are in a fold line shape, and the gathering ends and the diffusion ends of the plurality of coil pipes are not located on the same plane.

2. The cabinet air-conditioning indoor unit of claim 1, wherein the heat exchanger further comprises a liquid separating member and an output pipeline,

the inlet ends of the plurality of coil pipes are connected with the liquid distributing component, and the outlet ends of the plurality of coil pipes are connected with the output pipeline, so that the refrigerants in the plurality of coil pipes can flow out through the output pipeline.

3. The cabinet air-conditioning indoor unit of claim 1, wherein the water receiving tray comprises a circular tray and an annular tray,

the circular disc and the annular disc are vertically arranged and communicated with each other through a drainage tube.

4. The cabinet air-conditioning indoor unit of claim 1, wherein the body comprises a cylindrical shell and an annular air outlet structure arranged at the top of the cylindrical shell,

the air supply fan and the heat exchanger are arranged in the columnar shell, and the annular air outlet structure is provided with the first air outlet.

5. The indoor unit of a cabinet air conditioner as claimed in claim 4, wherein the annular outlet structure comprises an inner annular surface and an outer annular surface, the outer annular surface is sleeved outside the inner annular surface and forms an outlet chamber with the inner annular surface,

the front end of the outer ring surface and the front end of the inner ring surface are provided with the first air outlet, the rear end of the outer ring surface and the rear end of the inner ring surface are connected in a sealing way,

the bottom end of the outer annular surface is also provided with a vent hole, and the air outlet cavity is communicated with the columnar shell through the vent hole.

6. The cabinet air-conditioning indoor unit of claim 5, wherein the outer annular surface is further provided with a second air outlet,

the first air outlet is provided with a first baffle mechanism which is arranged to close or open the first air outlet when acting,

the second air outlet is provided with a second blocking piece mechanism which is arranged to close or open the second air outlet when acting.

7. The cabinet air-conditioning indoor unit according to claim 5, wherein 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.

8. The cabinet air conditioner indoor unit of claim 1, wherein the supply fan is a digital turbo motor.

9. The cabinet air-conditioning indoor unit of claim 1, further comprising a base, wherein the body is rotatably connected to the base.

10. The cabinet air conditioner indoor unit of claim 9, wherein a gap is formed between the body and the base, and the air inlet is disposed at a bottom of the body.

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