CN216744621U - Cabinet air conditioner indoor unit and cabinet air conditioner - Google Patents

Abstract

The utility model belongs to the technical field of the air conditioner, concretely relates to machine and cabinet air conditioner in cabinet air conditioner. The utility model discloses aim at solving the inhomogeneous problem of cross-flow fan part air-out. In the cabinet air-conditioning indoor unit, the cross-flow fan component is arranged in the accommodating cavity of the shell, the fan shell of the cross-flow fan component is internally provided with an installation cavity, the fan air inlet is arranged opposite to the air-conditioning air inlet of the shell, the inner diameter of the fan air outlet channel is increased from a small-end opening to a large-end opening, and the large-end opening of the fan air outlet channel is opposite to the air-conditioning air outlet of the shell; the wind wheel is positioned in the mounting cavity, and a motor shaft of the first motor is in transmission connection with the wind wheel; the filter screen is arranged between the shell and the fan shell and shields the air outlet of the air conditioner and the air inlet of the fan; the value range of the mesh number N of the filter screen is 676-. The cabinet air conditioner comprises a cabinet air conditioner indoor unit and a cabinet air conditioner outdoor unit matched with the cabinet air conditioner indoor unit. The utility model discloses an indoor unit of cabinet air conditioner and cabinet air conditioner for make the air-out more even.

Description

Cabinet air conditioner indoor unit and cabinet air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner, concretely relates to machine and cabinet air conditioner in cabinet air conditioner.

Background

Air conditioners are devices for manually adjusting and controlling parameters such as temperature, humidity, flow rate and the like of ambient air in a building or a structure, and generally include an air conditioner indoor unit and an air conditioner outdoor unit which are operated in cooperation with each other.

An air conditioner in related art is a cabinet air conditioner, in which an indoor unit includes a casing and a cross flow fan unit disposed inside the casing, the casing is provided with an air inlet and an air outlet, the cross flow fan unit includes a fan housing and a wind wheel disposed in the fan housing, the fan housing has a fan inlet disposed opposite to the air inlet and a trumpet-shaped fan outlet, a large-end opening of the fan outlet is a terminal and disposed opposite to the air outlet, and when the wind wheel rotates, indoor air enters the fan housing through the fan inlet from the air inlet and is discharged from the air outlet through the fan outlet to form an air flow.

However, the air outlet volume of the fan outlet duct of the air conditioner is large or small, and the air outlet volume of the fan outlet duct is not uniform.

SUMMERY OF THE UTILITY MODEL

The problem that the air outlet of a cross flow fan part of a cabinet type air conditioner indoor unit is uneven is solved. A first aspect of the embodiments of the present invention provides a cabinet type air conditioner indoor unit, which includes a casing, a cross flow fan unit, and a filter unit; an accommodating cavity is formed in the shell, and an air conditioner air outlet and an air conditioner air inlet which are communicated with the accommodating cavity are formed in the cavity wall of the shell; the cross-flow fan component is arranged in the accommodating cavity and comprises a fan shell, a wind wheel and a first motor; the fan shell is internally provided with an installation cavity, and is also provided with a fan air inlet and a fan air outlet channel which are communicated with the installation cavity, the fan air inlet is arranged opposite to the air inlet of the air conditioner, the fan air outlet channel is provided with a large-end opening and a small-end opening, the inner diameter of the fan air outlet channel is gradually increased from the small-end opening to the large-end opening, and the large-end opening of the fan air outlet channel is arranged opposite to the air outlet of the air conditioner; the wind wheel is positioned in the mounting cavity, and two ends of the wind wheel are rotationally connected with the fan shell; a motor shaft of the first motor is in transmission connection with the wind wheel; the filter part comprises a filter screen, the filter screen is arranged between the shell and the fan shell, and the filter screen shields the air outlet of the air conditioner and the air inlet of the fan; the mesh number of the filter screen is N, and the value range of N is 676-.

In the preferable technical scheme of the cabinet air conditioner indoor unit, the mesh number N of the filter screen is 784.

In the preferred technical scheme of the cabinet air-conditioning indoor unit, the shell comprises a base, a top cover arranged opposite to the base, a stand column arranged between the top cover and the base, and a front panel and a back panel arranged on the stand column, wherein the front panel and the back panel are enclosed to form an accommodating cavity, the front panel is provided with an air-conditioning air outlet, and the back panel is provided with an air-conditioning air inlet; the filter screen is arranged between the back plate and the fan shell.

In the preferable technical scheme of the indoor unit of the cabinet air conditioner, a plurality of air hole groups are arranged on the rear back plate and are distributed along a first direction, each air hole group comprises a plurality of air holes, the plurality of air holes in each air hole group are distributed along a second direction, and the first direction and the second direction form a non-zero included angle; and a plurality of air holes in the plurality of air hole groups form an air inlet of the air conditioner.

In the preferable technical scheme of the cabinet air-conditioner indoor unit, at least one first grid bar and at least one second grid bar are arranged in each air hole, the first grid bars extend along a first direction, the second grid bars extend along a second direction, the at least one first grid bar and the at least one second grid bar in each air hole are arranged in a transversely-longitudinally staggered manner, and a plurality of grid holes are formed in the air holes.

In the preferable technical scheme of the indoor unit of the cabinet air conditioner, a drawing opening corresponding to the air hole group and an installation groove group corresponding to the drawing opening are arranged on the rear back plate, each installation groove group comprises two installation grooves which are oppositely arranged, and the two installation grooves in each installation groove group are arranged at two ends of the corresponding drawing opening; the quantity of filter screen equals with the quantity of wind hole group, and the shape of filter screen is the rectangle, and the first limit of every filter screen and the second limit of filter screen set up relatively, and the cartridge of the first limit of every filter screen is in corresponding the pull mouth, and the second limit of every filter screen is located the holding intracavity, and the third limit of every filter screen and the fourth edge of filter screen set up relatively, and the cartridge is in two mounting grooves in corresponding the installation bank of cells respectively.

In the preferable technical scheme of the cabinet air-conditioning indoor unit, the cabinet air-conditioning indoor unit further comprises a heat exchanger, the heat exchanger is arranged between the fan shell and the filter screen, and the heat exchanger is arranged opposite to the air inlet of the fan; the heat exchanger comprises a heat pipe and a support plate, wherein the heat pipe is fixed on the support plate, the diameter of the heat pipe is D, and the value range of D is 4-6 mm.

In the preferable technical scheme of the cabinet air-conditioner indoor unit, the diameter D of the heat pipe is 5 mm.

In the preferable technical scheme of the cabinet air conditioner indoor unit, the fan casing is also provided with a shielding part positioned in the fan air outlet channel, and the shielding part is close to the large-end opening.

A second aspect of the embodiment of the present invention provides a cabinet air conditioner, which includes the cabinet air conditioner indoor unit and an outdoor unit of the cabinet air conditioner cooperating with the cabinet air conditioner indoor unit.

As can be understood by those skilled in the art, in the indoor unit of a cabinet air conditioner and the cabinet air conditioner comprising the indoor unit of the cabinet air conditioner of the utility model, a containing cavity is arranged inside a shell, an air conditioner air outlet and an air conditioner air inlet which are communicated with the containing cavity are arranged on the cavity wall of the shell, a cross flow fan component is arranged in the containing cavity, an installation cavity is arranged inside a fan shell of the cross flow fan component, a rotatable wind wheel is arranged in the installation cavity, the fan shell is provided with a fan air inlet and a fan air outlet channel which are communicated with the installation cavity, the fan air inlet is communicated with the air conditioner air inlet, the fan air outlet channel is communicated with the air conditioner air outlet, a first motor of the cross flow fan is connected with the wind wheel in a transmission way, when the first motor runs, the wind wheel rotates, indoor air enters the installation cavity from the air conditioner air inlet through the fan air inlet and is discharged to the outside from the air conditioner air outlet through the fan air outlet channel, therefore, the internal circulation of indoor air is realized, and the functions of refrigeration, heating, dehumidification and the like are realized by matching with a heat exchanger arranged in the shell; the filter part comprises a filter screen, the filter screen is arranged between the shell and the fan shell, the filter screen shields the air conditioner air outlet and the fan air inlet, when the first motor operates, the wind wheel rotates, indoor air passes through the filter screen from the air conditioner air inlet, enters the installation cavity from the fan air inlet and is discharged into the room again from the air conditioner air outlet through the fan air outlet channel, and therefore the air entering the accommodating cavity is filtered while the internal circulation of the indoor air is realized, and the indoor air quality is improved; the value range of the mesh number N of the filter screen is 676-.

Drawings

The indoor unit of a cabinet air conditioner and a preferred embodiment of the cabinet air conditioner according to the embodiments of the present invention will be described with reference to the accompanying drawings. The attached drawings are as follows:

fig. 1 is a schematic structural view of a cabinet type air conditioner indoor unit according to the related art;

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

FIG. 3 is an assembly view of the base, the column, the first mounting plate, and the second mounting plate of an embodiment of the present invention;

FIG. 4 is a schematic structural view of a crossflow blower assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of the assembly of the base, the upright, the cross-flow fan assembly and the heat exchanger according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a filter element according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a rear back plate according to an embodiment of the present invention;

FIG. 8 is an exploded view of a crossflow blower component of an embodiment of the present invention;

FIG. 9 is an exploded view of a crossflow blower component of an embodiment of the present invention;

FIG. 10 is an exploded view of a crossflow blower component of an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a heat exchanger according to an embodiment of the present invention.

In the drawings:

100: a housing; 101: an accommodating cavity;

102: an air inlet of an air conditioner; 103: a base;

104: a column; 105: a back panel;

106: a wind hole group; 107: a wind hole;

108: a first grid bar; 109: a second grid bar;

110: drawing the opening; 111: installing a groove group;

112: mounting grooves; 200: a crossflow blower component;

201: a fan housing; 202: a wind wheel;

203: a first motor; 204: a mounting cavity;

205: a fan air outlet channel; 206: a first mounting plate;

207: a second mounting plate; 208: a volute;

209: a volute tongue; 210: an arc-shaped section;

211: a straight section; 212: a shielding portion;

300: a heat exchanger; 301: a heat pipe;

302: a support plate; 400: a filter member;

401: a filter screen; 402: and (4) a handle.

Detailed Description

First of all, 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.

Next, it should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", and the like are 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 a device or member must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. 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 to fig. 1, in a cabinet air conditioner of the related art, an indoor unit of the cabinet air conditioner includes a casing 100 and a cross-flow fan unit 200 disposed inside the casing 100, the casing 100 is provided with an air conditioner air inlet and an air conditioner air outlet, the cross-flow fan unit 200 includes a fan housing 201 and a wind wheel 202 disposed in the fan housing 201, the fan housing 201 has a fan inlet disposed opposite to the air conditioner air inlet and a trumpet-shaped fan outlet 205, a large end of the fan outlet 205 is open to be a terminal end and is disposed opposite to the air conditioner air outlet, when the wind wheel 202 rotates, indoor air enters the fan housing 201 from the air conditioner air inlet through the fan inlet and is discharged from the air conditioner air outlet through the fan outlet 205 to form an air flow. However, since the fan outlet 205 is trumpet-shaped, the speed V1 of the airflow at the small end opening of the fan outlet 205 is greater than the speed V2 of the airflow at the large end opening of the fan outlet 205, when the speed of the airflow at the large end opening of the fan outlet 205 is close to or equal to zero, the airflow outside the fan housing 201 is high at the outside of the fan housing 201 facing the fan outlet 205, and therefore the air outside the fan housing 201 enters the fan housing 201 from the fan outlet 205 under the action of the air pressure difference, which causes a problem of back draft, and at the same time, the airflow generates a vortex in the wind wheel 202, and the back draft changes the flow condition of the airflow, causing the center of the vortex to move from the first position to the second position, and the movement of the center of the vortex from the second position to the first position again changes the flow condition of the airflow, causing the center of the vortex to move from the second position to the first position, and then repeats, therefore, the air output of the fan air outlet channel 205 is large and small, and the air output at the position of the fan air outlet channel 205 is not uniform.

In order to solve the problem that in the correlation technique, the air output of fan air outlet 205 is inhomogeneous, the utility model discloses an indoor unit of cabinet air conditioner, through reducing the mesh number of filter screen, and make the mesh number value range of filter screen 676-.

The utility model discloses cabinet air conditioner indoor set, it needs and the cabinet air conditioner indoor set that uses rather than cooperating commonly to act on, wherein, the cabinet air conditioner indoor set is arranged in indoorly usually when using, and the cabinet air conditioner outdoor set is arranged in outdoors usually when using.

Referring to fig. 2, 3, 4, 5 and 6, a cabinet type air conditioner indoor unit according to an embodiment of the present invention includes a casing 100, a cross flow fan unit 200, a heat exchanger 300 and a filter unit 400; the casing 100 is internally provided with an accommodating cavity 101, the cross-flow fan part 200 is arranged in the accommodating cavity 101, and the casing 100 is used for providing an installation space and an installation reference for the cross-flow fan part 200, the heat exchanger 300 and the filter part 400 and protecting the cross-flow fan part 200, the heat exchanger 300 and the filter part 400; crossflow blower assembly 200 is used to drive airflow; the filter member 400 serves to filter air introduced into the housing 100; the heat exchanger 300 is used to perform heat treatment on air introduced into the casing 100, and the heat treatment refers to heating, cooling, dehumidifying, and the like of the air.

The structure of the housing 100 will be described in detail with reference to the accompanying drawings.

Referring to fig. 2, 3, 4, 5 and 6, the housing 100 has a receiving cavity 101 therein, the wall of the housing 100 is provided with an air conditioner outlet and an air conditioner inlet 102 which are communicated with the receiving cavity 101, the receiving cavity 101 is used for placing the cross-flow fan unit 200, the heat exchanger 300 and the filter unit 400, the air conditioner inlet 102 is used for allowing indoor air to enter the housing 100 when the cross-flow fan unit 200 operates, and the air conditioner outlet is used for allowing air inside the housing 100 to be discharged out of the housing 100 to an indoor environment when the cross-flow fan unit 200 operates.

Referring to fig. 2 and 3, the casing 100 further includes a base 103, a top cover disposed opposite to the base 103, a pillar 104 disposed between the top cover and the base 103, and a front panel and a back panel 105 disposed on the pillar 104; the base 103 is positioned at the bottom end of the shell 100, and the top cover is positioned at the top end of the shell 100; the number of the upright posts 104 can be three as shown in the embodiment of fig. 3, and both ends of each upright post 104 are respectively fixed on the base 103 and the top cover; the front panel and the back panel 105 enclose and close to form the accommodating cavity 101, the front panel and the back panel 105 can be pre-fixed on the upright post 104 in a clamping mode, and then are fastened on the upright post 104 in a threaded connection mode, the front panel is provided with an air conditioner air outlet, and the back panel 105 is provided with an air conditioner air inlet 102.

Referring to fig. 7, a plurality of air hole groups 106 are disposed on the back plate 105, the plurality of air hole groups 106 are arranged along a first direction, the first direction is an X direction shown in fig. 7, each air hole group 106 includes a plurality of air holes 107, the plurality of air holes 107 in each air hole group 106 are arranged along a second direction, the second direction is a Y direction shown in fig. 7, the first direction and the second direction are disposed at a non-zero included angle, for example, the first direction and the second direction are disposed at 90 °, and the plurality of air holes 107 in the plurality of air hole groups 106 form an air inlet 102 of the air conditioner.

Referring to fig. 7, at least one first grid bar 108 and at least one second grid bar 109 are disposed in each air hole 107, the first grid bars 108 are disposed to extend along a first direction, the number of the first grid bars 108 is, for example, two as shown in fig. 7, the second grid bars 109 are disposed to extend along a second direction, and the number of the second grid bars 109 is, for example, three as shown in fig. 7. At least one first grid bar 108 and at least one second grid bar 109 in each air hole 107 are arranged in a staggered manner in the transverse direction and the longitudinal direction, and a plurality of grid holes are divided in the air holes 107. In the embodiment shown in fig. 7, two first grid bars 108 and three second grid bars 109 are arranged in a staggered manner in the horizontal and vertical directions, and define twelve grid holes in the air holes 107.

Referring to fig. 6 and 7, the backplate 105 is provided with a drawing opening 110 corresponding to the air hole group 106 and a mounting groove group 111 corresponding to the drawing opening 110, a filter screen 401 of a filter component 400 described below can be mounted in the accommodating cavity 101 in the housing 100 from the drawing opening 110, or can be taken out from the accommodating cavity 101 in the housing 100 through the drawing opening 110, and the mounting groove group 111 is used for fixing the filter screen 401 mounted in the accommodating cavity 101.

Referring to fig. 6 and 7, each mounting groove group 111 includes two mounting grooves 112 disposed oppositely, and the two mounting grooves 112 in each mounting groove group 111 are disposed at two ends of the corresponding drawing opening 110, so that a third side of a filter screen 401 and a fourth side of the filter screen 401 are respectively inserted into the two mounting grooves 112 in the corresponding mounting groove group 111, so as to be mounted on the back plate 105.

The structure of crossflow blower unit 200 will now be described in detail with reference to the accompanying drawings.

Referring to fig. 3 and 4, a cross-flow fan assembly 200 is disposed in the accommodating cavity 101, the cross-flow fan assembly 200 includes a fan housing 201, a wind wheel 202, and a first motor 203, the fan housing 201 is used for providing an installation space for the wind wheel 202 and providing an installation reference for the wind wheel 202 and the first motor 203, the first motor 203 is used for driving the wind wheel 202 to rotate, and the wind wheel 202 is used for disturbing airflow movement in a rotating manner.

Referring to fig. 2, 4 and 8, an installation cavity 204 is disposed inside the fan housing 201, the installation cavity 204 is used for installing the wind wheel 202, the fan housing 201 is further provided with a fan inlet and a fan outlet 205 which are communicated with the installation cavity 204, the fan inlet is disposed opposite to the air conditioner inlet 102, the fan outlet 205 has a large end opening and a small end opening, the large end opening of the fan outlet 205 is a terminal, the large end opening of the fan outlet 205 is one end far away from the wind wheel 202, the small end opening of the fan outlet 205 is close to the wind wheel 202, an inner diameter of the fan outlet 205 is gradually increased from the small end opening to the large end opening, and the large end opening of the fan outlet 205 is disposed opposite to the air conditioner outlet.

Referring to fig. 3, 4 and 8, the blower housing 201 includes a first mounting plate 206, a second mounting plate 207, a volute 208 and a volute tongue 209, the first mounting plate 206 and the second mounting plate 207 are disposed oppositely, the volute 208 and the volute tongue 209 are both mounted between the first mounting plate 206 and the second mounting plate 207, and the volute 208, the volute tongue 209, the first mounting plate 206 and the second mounting plate 207 enclose a mounting cavity 204, a blower air outlet channel 205 and a blower air inlet; a first mounting plate 206 and a second mounting plate 207 are secured to the upright 104.

Referring to fig. 4, 9 and 10, the volute 208 includes an arc-shaped section 210 and a straight section 211 disposed on one side of the arc-shaped section 210, a central axis of the arc-shaped section 210 coincides with a central axis of the wind wheel 202, the arc-shaped section 210 is disposed around an outer side of the wind wheel 202, the straight section 211 is disposed opposite to the volute tongue 209, and the straight section 211, the volute tongue 209, the first mounting plate 206 and the second mounting plate 207 enclose to form the fan air outlet channel 205.

Referring to fig. 4, 8 and 10, the blower casing 201 is further provided with a shielding portion 212 located in the blower outlet duct 205, the shielding portion 212 is close to the large-end opening, the shielding portion 212 can reduce the actual air outlet area at the large-end opening position of the blower outlet duct 205, so that the air speed at the large-end opening position of the blower outlet duct 205 is high, the probability that the air speed at the large-end opening position of the blower outlet duct 205 is zero is reduced, the probability that air flow enters the installation cavity 204 from the blower outlet duct 205 due to air pressure difference is reduced, and the air outlet amount of the large-end opening of the blower outlet duct 205 is stable and uniform.

Referring to fig. 4, the shielding portion 212 is disposed on the first mounting plate 206, the shielding portion 212 protrudes toward the second mounting plate 207, and the shielding portion 212 is located between the volute 208 and the volute tongue 209, so that the shielding portion 212 shields a partial area of the top side of the large end opening of the fan outlet 205, and further reduces an actual air outlet area of the large end opening of the fan outlet 205.

Referring to fig. 4 and fig. 8, the wind wheel 202 is located in the installation cavity 204, and two ends of the wind wheel 202 are rotatably connected to the fan housing 201, so that the wind wheel 202 is installed in the installation cavity 204, and the wind wheel 202 can rotate in the installation cavity 204, so as to rotate the wind wheel 202, and airflow enters the installation cavity 204 through the fan inlet and is discharged from the fan outlet 205.

Referring to fig. 4 and 8, the first motor 203 is in transmission connection with the wind wheel 202, a housing of the first motor 203 may be disposed outside the installation cavity 204 and may be fixed on the first installation plate 206, and a terminal of a motor shaft of the first motor 203 may be mounted on the first installation plate 206 in a penetrating manner and extend into the installation cavity 204 to be connected with the wind wheel 202, so that the first motor 203 operates, and the motor shaft of the first motor 203 drives the wind wheel 202 to rotate, so that an airflow enters the installation cavity 204 through a fan inlet and is discharged from the fan outlet channel 205.

The structure of the filter member 400 will be described in detail with reference to the accompanying drawings.

Referring to fig. 2, 4, 6 and 8, the filter part 400 includes a filter screen 401, the filter screen 401 is disposed between the casing 100 and the blower housing 201, the filter screen 401 shields the air outlet and the blower inlet, and the filter screen 401 is disposed between the back plate 105 and the blower housing 201. When the first motor 203 operates, the motor shaft of the first motor 203 drives the wind wheel 202 to rotate, so that the airflow moves the air inlet of the fan, passes through the filter screen 401, enters the installation cavity 204, is discharged from the fan air outlet channel 205, and is finally discharged indoors through the air outlet of the air conditioner.

The mesh number of the filter screen 401 is N, the value range of N is 676-. When the value of the mesh number N of the filter screen 401 is an integer between 676 and 900, the filter screen 401 not only can effectively filter air, but also can increase the actual ventilation area of the filter screen 401, reduce the blocking effect of the filter screen 401 on the air flow speed, and further reduce the probability that the air speed is zero at the position of the air flow outlet channel 205, reduce the probability that the air pressure difference causes indoor high-pressure air to enter the installation cavity 204 from the air outlet channel 205 through the air outlet of the air conditioner, and further enable the air output of the air outlet channel 205 of the air conditioner to be stable and uniform.

The quantity of filter screen 401 equals with the quantity of wind hole group 106, the shape of filter screen 401 is the rectangle, the first limit of every filter screen 401 and the second limit of filter screen 401 set up relatively, the cartridge of the first limit of every filter screen 401 is in corresponding draw-out mouth 110, the second limit of every filter screen 401 is located the holding chamber 101, the third limit of every filter screen 401 and the fourth side of filter screen 401 set up relatively, and cartridge respectively in two mounting grooves 112 in corresponding installation groove group 111, so, realize the reliable installation of filter screen 401.

Referring to fig. 2, 3 and 6, the filter part 400 further includes a handle 402, the handle 402 is installed at an edge of a first side of the filter screen 401, and the handle 402 is held by a human hand, so that people can conveniently take out the filter screen 401 from the accommodating cavity 101 of the housing 100, or install the filter screen 401 in the accommodating cavity 101 of the housing 100 again from the drawing opening 110.

The structure of the heat exchanger 300 will be described in detail with reference to the accompanying drawings.

Referring to fig. 3, 5, 6 and 8, the heat exchanger 300 is disposed between the fan casing 201 and the filter screen 401, and the heat exchanger 300 is disposed opposite to the fan inlet, so that the air flow enters from the air conditioner inlet 102, is filtered by the filter screen 401, then is heat-treated by the heat exchanger 300, and finally enters into the installation cavity 204 of the fan casing 201 through the fan inlet.

Referring to fig. 4, 5, 8 and 11, the heat exchanger 300 includes heat pipes 301 and a supporting plate 302, the heat pipes 301 are fixed on the supporting plate 302, a distance H between two adjacent heat pipes 301 is 42mm, a diameter of each heat pipe 301 is D, a value of D ranges from 4mm to 6mm, and a value of the diameter D of each heat pipe 301 is 4mm, 4.5mm, 5mm, 5.5mm, and 6 mm. The diameter D of the heat pipe 301 is any determined value of 4-6mm, so that the blocking effect of the heat exchanger 300 on the air speed can be effectively reduced, the probability that the air speed of the air flow is zero at the position of the fan air outlet channel 205 is further reduced, the probability that indoor high-pressure air enters the installation cavity 204 from the fan air outlet channel 205 through the air outlet of the air conditioner due to air pressure difference is reduced, and the air output of the fan air outlet channel 205 is further stable and uniform.

The following is a comparative description of the cabinet air-conditioning indoor unit of the embodiment of the present invention and the cabinet air-conditioning indoor unit of the related art.

In the correlation technique, the mesh number of filter screen 401 is 1600, and heat exchanger 300's heat pipe 301's diameter is 7mm, the embodiment of the utility model provides an in, filter screen 401's mesh number is 784, and heat exchanger 300's heat pipe 301's diameter is 5mm, under different rotational speeds, to the correlation technique with the embodiment of the utility model provides an in, the air current carries out the data of testing at the amount of wind and the noise of fan air outlet 205 position and sees table one:

table one:

as can be seen from the first table, the embodiment of the indoor unit of the cabinet air conditioner of the utility model provides a under same rotational speed, the amount of wind is bigger, and the noise is littleer.

The utility model discloses an indoor unit of cabinet air conditioner, the inside holding chamber 101 that is provided with of shell 100, be provided with air conditioner air outlet and air conditioner air intake 102 with holding chamber 101 intercommunication on the chamber wall of shell 100, cross-flow fan part 200 sets up in holding chamber 101, and the inside installation cavity 204 that is provided with of fan casing 201 of cross-flow fan part 200, set up rotatable wind wheel 202 in the installation cavity 204, fan casing 201 is provided with the fan air intake and the fan exhaust passage 205 with installation cavity 204 intercommunication, the fan air intake communicates with air conditioner air intake 102, fan exhaust passage 205 communicates with air conditioner air outlet, the first motor 203 and the wind wheel 202 transmission of cross-flow fan are connected, when first motor 203 moves, wind wheel 202 rotates, indoor air enters installation cavity 204 from air conditioner air intake 102 through the fan air intake, and discharge to the open air from air conditioner air outlet through fan exhaust passage 205, so, realize the inner loop of indoor air, further, the heat exchanger 300 provided in the casing 100 is used to perform cooling, heating, dehumidifying, and other functions.

The utility model discloses an indoor unit of cabinet air conditioner, filter unit 400 includes filter screen 401, filter screen 401 sets up between shell 100 and fan casing 201, filter screen 401 shelters from air-conditioner outlet and fan air intake, when first motor 203 operation, wind wheel 202 rotates, indoor air is from air-conditioner air intake 102 through filter screen 401, and enter into installation cavity 204 from the fan air intake, and arrange outdoors from air-conditioner outlet through fan air-out duct 205, so, when realizing the inner loop of room air, filter the air that enters into in holding chamber 101, improve the room air quality.

The utility model discloses an indoor unit of cabinet air conditioner, the value range of filter screen 401's mesh number N is 676-.

The embodiment of the utility model provides a cabinet air conditioner is still provided, it includes above-mentioned cabinet air conditioner indoor set and with the cabinet air conditioner outdoor unit that the indoor set cooperation of cabinet air conditioner used.

The utility model discloses cabinet air conditioner because of being provided with above-mentioned cabinet air conditioner indoor set, therefore, can increase filter screen 401's actual draught area, reduce the hindrance effect of filter screen 401 to air velocity, and then reduce the air current and appear the probability that the wind speed is zero in fan air-out duct 205 position, reduce the atmospheric pressure difference and lead to indoor highly-compressed air to follow the probability that fan air-out duct 205 got into installation cavity 204 through air outlet, and then make fan air-out volume of fan air-out duct 205 stable even.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the 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 type air conditioner indoor unit is characterized by comprising a shell, a cross flow fan component and a filtering component;

an accommodating cavity is formed in the shell, and an air conditioner air outlet and an air conditioner air inlet which are communicated with the accommodating cavity are formed in the cavity wall of the shell;

the cross-flow fan component is arranged in the accommodating cavity and comprises a fan shell, a wind wheel and a first motor; the fan shell is internally provided with an installation cavity, and is also provided with a fan air inlet and a fan air outlet channel which are communicated with the installation cavity, wherein the fan air inlet is arranged opposite to the air conditioner air inlet, the fan air outlet channel is provided with a large-end opening and a small-end opening, the inner diameter of the fan air outlet channel is gradually increased from the small-end opening to the large-end opening, and the large-end opening of the fan air outlet channel is arranged opposite to the air conditioner air outlet; the wind wheel is positioned in the mounting cavity, and two ends of the wind wheel are rotationally connected with the fan shell; a motor shaft of the first motor is in transmission connection with the wind wheel;

the filter part comprises a filter screen, the filter screen is arranged between the shell and the fan shell, and the filter screen shields the air conditioner air outlet and the fan air inlet; the mesh number of the filter screen is N, and the value range of N is 676-.

2. The cabinet air-conditioning indoor unit of claim 1, wherein the mesh number N of the filter screen is 784.

3. The cabinet air-conditioning indoor unit of claim 1 or 2, wherein the casing comprises a base, a top cover arranged opposite to the base, a column arranged between the top cover and the base, and a front panel and a back panel arranged on the column, the front panel and the back panel enclosing the accommodating cavity, the front panel being provided with the air-conditioning outlet, and the back panel being provided with the air-conditioning inlet;

the filter screen is arranged between the rear back plate and the fan shell.

4. The indoor unit of a cabinet air conditioner as claimed in claim 3, wherein the back panel has a plurality of air hole sets arranged along a first direction, each air hole set comprises a plurality of air holes, the plurality of air holes in each air hole set are arranged along a second direction, and the first direction and the second direction form a non-zero included angle;

and the air holes in the plurality of air hole groups form the air inlet of the air conditioner.

5. The cabinet air-conditioning indoor unit of claim 4, wherein at least one first grille strip and at least one second grille strip are arranged in each air hole, the first grille strip extends along a first direction, the second grille strip extends along a second direction, at least one first grille strip and at least one second grille strip in each air hole are arranged in a staggered manner in a transverse direction and a longitudinal direction, and a plurality of grille holes are formed in the air holes.

6. The cabinet air-conditioner indoor unit according to claim 4 or 5, wherein a drawing opening corresponding to the air hole group and a mounting groove group corresponding to the drawing opening are formed in the back plate, each mounting groove group comprises two opposite mounting grooves, and the two mounting grooves in each mounting groove group are formed at two ends corresponding to the drawing opening;

the quantity of filter screen with the quantity of wind punch combination equals, the shape of filter screen is the rectangle, every the first side of filter screen with the second limit of filter screen sets up relatively, every the first side cartridge of filter screen is corresponding in the pull mouth, every the second limit of filter screen is located the holding intracavity, every the third of filter screen trilateral with the fourth edge of filter screen sets up relatively, and the cartridge is corresponding respectively in two mounting grooves in the installation bank of cells.

7. The cabinet air-conditioning indoor unit according to claim 1 or 2, further comprising a heat exchanger disposed between the fan casing and the filter screen, the heat exchanger being disposed opposite to the fan inlet;

the heat exchanger comprises a heat pipe and a support plate, the heat pipe is fixed on the support plate, the diameter of the heat pipe is D, and the value range of D is 4-6 mm.

8. The cabinet air conditioner indoor unit according to claim 7, wherein the diameter D of the heat pipe is 5 mm.

9. The cabinet air-conditioning indoor unit of claim 1 or 2, wherein the fan casing is further provided with a shielding part located in the fan outlet duct, and the shielding part is close to the large end opening.

10. A packaged air conditioner comprising the packaged air conditioner indoor unit of any one of claims 1 to 9 and an outdoor unit of the packaged air conditioner used in cooperation with the packaged air conditioner indoor unit.

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