CN213453888U

CN213453888U - Air conditioner indoor unit and air conditioner with same

Info

Publication number: CN213453888U
Application number: CN202022028784.2U
Authority: CN
Inventors: 李建建; 何博; 梁博; 吴俊鸿; 李业强; 李树云
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-15
Anticipated expiration: 2030-09-16

Abstract

The application provides an air conditioner indoor unit and an air conditioner with the same, wherein the air conditioner indoor unit comprises a shell and a fan, and an air inlet is formed in the shell; the air inlet area of the air inlet is adjustable; the fan is arranged in the shell; the air inlet area is positively correlated with the rotating speed of the fan. According to the air conditioner indoor unit and the air conditioner with the same, the area of the air inlet can be matched with the rotating speed of the fan, and the phenomenon of intermittent surge of air flow is prevented.

Description

Air conditioner indoor unit and air conditioner with same

Technical Field

This application belongs to air conditioner technical field, concretely relates to machine and have its air conditioner in air conditioning.

Background

At present, an air inlet of a conventional hanging machine is usually of a fixed structure and cannot be adjusted in size. Therefore, under different wind gears, the phenomenon of intermittent surge of airflow is often caused due to the fact that the area of the air inlet is not matched with the rotating speed of the fan, the noise and the tone quality are poor, the blowing sense is not large or small, and the comfort level is poor.

Therefore, how to provide an air conditioner indoor unit and an air conditioner with the same, which can match the area of an air inlet with the rotating speed of a fan and prevent the phenomenon of intermittent surge of air flow, is a problem that needs to be solved by those skilled in the art urgently.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved in the present application is to provide an air conditioner indoor unit and an air conditioner with the same, which can match the air inlet area with the rotating speed of a fan, and prevent the generation of the phenomenon of intermittent surge of air flow.

In order to solve the above problem, the present application provides an air conditioning indoor unit, including:

the air inlet is formed in the shell; the air inlet area of the air inlet is adjustable;

a fan assembly; the fan assembly comprises a fan, and the fan is arranged in the shell; the air inlet area is positively correlated with the rotating speed of the fan.

Preferably, the indoor unit of the air conditioner further comprises an air inlet panel; the air inlet panel is arranged at the air inlet; the air inlet panel can move to adjust the size of the air inlet area.

Preferably, the housing is provided with an air outlet.

Preferably, one end of the air inlet panel close to the air outlet is pivotally connected with the shell.

Preferably, the rotating speed of the fan is R; when the air inlet panel is used for closing the air inlet, the opening angle of the air inlet panel is 0 degree; the opening angle of the air inlet panel is A ═ k × R + A1; wherein K is a scale factor; a1 is the intercept.

Preferably, 100 ≦ R ≦ 500 rpm; and/or, 0.1 ≦ k ≦ 0.4; and/or, when R is 0, a1 ═ 0; and/or, when R >0, 5 DEG < A1 < 20 DEG; and/or 0 DEG ≦ A ≦ 180 deg.

Preferably, 0 ° ≦ a ≦ 90 °; and/or, k is 0.18; and/or, when R >0, a1 ═ 5 °.

Preferably, the air-conditioning indoor unit further comprises a connecting rod structure; the connecting rod structure comprises a main connecting rod and a branch connecting rod; the branch connecting rod is rotatably arranged on the main connecting rod; the branch connecting rod is connected with the air inlet panel; the main connecting rod can move to drive the branch connecting rod to rotate, and then the air inlet panel rotates.

Preferably, the air intake panel has a first edge and a second edge which are oppositely arranged; the first edge is provided with a first rotating part; the shell is provided with a first rotating hole; the first rotating part is rotatably arranged in the first rotating hole; a second rotating part is arranged on the second edge; a second rotating hole is formed in the shell; the second rotating part is rotatably arranged in the second rotating hole.

Preferably, the fulcrum link is fixedly connected to the first rotating part.

Preferably, the branch connecting rod is fixedly connected with the first rotating part through a flat structure.

Preferably, the number of the air inlet panels is at least two; the at least two air inlet panels are sequentially arranged towards the direction close to the air outlet.

Preferably, when the air inlet is closed, the at least two air inlet panels are spliced to close the air inlet.

Preferably, the number of the branch connecting rods is at least two; the branch connecting rods are correspondingly connected with the air inlet panels one by one.

Preferably, the air-conditioning indoor unit further comprises a driving structure, wherein the driving structure comprises a gear; the gear is rotatably arranged on the shell; the main connecting rod is provided with a shifting part, and the gear is meshed with the shifting part.

Preferably, the drive structure comprises a drive portion; the driving part is used for driving the gear to rotate.

Preferably, the number of the air outlets is at least two; a centrifugal fan is arranged corresponding to each air outlet; the centrifugal fan is arranged in the shell.

According to still another aspect of the application, an air conditioner is provided and comprises an air conditioner indoor unit.

According to still another aspect of the present application, there is provided a control method of an air conditioner, including the steps of:

acquiring an operation mode of an air conditioner;

and controlling the starting number of the centrifugal fans, the operation parameters of each centrifugal fan and the air outlet direction according to the operation mode.

Preferably, the step of controlling the number of the centrifugal fans to be turned on, the operation parameters of each centrifugal fan and the air outlet direction according to the operation mode comprises the following steps:

when the operation mode of the air conditioner is a temperature adjusting mode, controlling each centrifugal fan to be started;

and/or controlling the corresponding centrifugal fan to be started when the operation mode of the air conditioner is the directional blowing mode.

The air conditioner indoor unit and the air conditioner with the same can independently control the operation parameters of the fans and the air outlet direction of the air outlet, and can meet the individual requirements of different users in the same room; the personalized requirements of different users in the same room can be met, and targeted air supply can be realized.

Drawings

Fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 2 is a schematic view of an installation structure of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 3 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 4 is a schematic structural view of a closed state of an air outlet and an air inlet of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 5 is a schematic structural view illustrating an open state of an air outlet and an air inlet of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 6 is a schematic structural view illustrating an open state of an air outlet and an air inlet of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 7 is a schematic structural view of a closed state of an air outlet and an air inlet of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 8 is a schematic structural view illustrating an open state of an air outlet and an air inlet of an indoor unit of an air conditioner according to an embodiment of the present disclosure;

fig. 9 is a schematic structural view illustrating an open state of an air outlet and an air inlet of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 10 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present application.

The reference numerals are represented as:

1. a housing; 2. an air outlet; 3. an air deflector; 4. an air inlet; 5. an air intake panel; 6. a centrifugal fan; 61. an air duct; 62. a centrifugal fan blade; 63. an air duct inlet; 64. an air duct outlet; 66. a wind sweeping blade; 7. an evaporator; 8. a drive section; 81. a connecting rod structure; 82. a gear.

Detailed Description

With reference to fig. 1-4, according to an embodiment of the present application, an indoor unit of an air conditioner includes a casing 1 and a fan, where the casing 1 is provided with an air inlet 4; the air inlet area of the air inlet 4 is adjustable; the fan is arranged in the shell 1; the air inlet area is positively correlated with the rotating speed of the fan, and the adjustment of the air inlet area is matched with the rotating speed of the fan under different wind gears, so that the phenomena of air flow surge and air outlet fluctuation can be avoided.

Further, the indoor unit of the air conditioner also comprises an air inlet panel 5; the air inlet panel 5 is arranged at the air inlet 4; the air inlet panel 5 can move to adjust the size of the air inlet area.

Further, an air outlet 2 is arranged on the housing 1.

Furthermore, one end of the air inlet panel 5 close to the air outlet 2 is pivotally connected with the shell 1, and the air inlet panel 5 can cut off the air inlet 2 and the air outlet 2 after being opened, so that the phenomenon of short circuit of air flow of inlet air and outlet air is avoided; after the air inlet panel 5 is completely opened, front air inlet can be realized, the fan efficiency is high, short circuit of inlet and outlet airflow and large air inlet resistance are prevented, and the fan efficiency is low.

With combined reference to fig. 1-4, the present application also discloses embodiments in which the outlet 2 is disposed at the bottom of the housing; the air inlet 4 is arranged on the side surface of the shell; the lower end of the air inlet panel 5 is connected with the shell 1 in a pivoting way;

with combined reference to fig. 5-10, the present application also discloses embodiments in which the outlet 2 is disposed at the top of the housing; the air inlet 4 is arranged on the side surface of the shell; but the upper end and the casing 1 pivotal connection of air inlet panel 5 this moment, air outlet and aviation baffle are located the fan upside this moment, and air inlet panel opening angle A can be 0-180, further chooses 0-90, and when A was 90, the air inlet area was the biggest, and the fan intake efficiency is the highest, can prevent business turn over wind air current short circuit simultaneously. The opening angle can be matched with the rotating speed of the fan, so that the phenomena of surge and sudden and small air outlet are avoided. Wide-angle air supply, regional individualized air supply and targeted air supply can be realized.

Further, the rotating speed of the fan is R; when the air inlet panel 5 is used for closing the air inlet 4, the opening angle of the air inlet panel 5 is 0 degree; the opening angle of the air inlet panel 5 is a ═ k × R + a 1; wherein K is a scale factor; a1 is the intercept.

Further, 100 ≦ R ≦ 500 rpm; and/or, 0.1 ≦ k ≦ 0.4; and/or, when R is 0, a1 ═ 0; and/or, when R >0, 5 DEG < A1 < 20 DEG; and/or 0 DEG ≦ A ≦ 180 deg.

Further, 0 ° ≦ A ≦ 90 °; and/or, k is 0.18; and/or, when R >0, a1 ═ 5 °.

Further, the air-conditioning indoor unit further comprises a connecting rod structure 81; the connecting rod structure comprises a main connecting rod and a branch connecting rod; the branch connecting rod is rotatably arranged on the main connecting rod; the branch connecting rod is connected with the air inlet panel 5; the main connecting rod can move to drive the branch connecting rod to rotate, and then the air inlet panel 5 rotates.

Further, the air inlet panel is provided with a first edge and a second edge which are oppositely arranged; the first edge is provided with a first rotating part; the shell is provided with a first rotating hole; the first rotating part is rotatably arranged in the first rotating hole; a second rotating part is arranged on the second edge; a second rotating hole is formed in the shell; the second rotating part is rotatably arranged in the second rotating hole.

Further, the branch connecting rod is fixedly connected with the first rotating part.

Further, a connecting rod and a first rotating part are fixedly connected through a flat structure.

Further, the number of the air inlet panels 5 is set to be at least two; at least two air inlet panels 5 are arranged in sequence towards the direction close to the air outlet 2.

Further, when the air inlet 4 is closed, at least two air inlet panels 5 are spliced to close the air inlet 4.

Further, the number of the branch connecting rods is at least two; the branch connecting rods are correspondingly connected with the air inlet panels 5 one by one.

Further, the indoor unit of the air conditioner further comprises a driving structure, wherein the driving structure comprises a gear 82; the gear 82 is rotatably disposed on the housing; the main link is provided with a toggle part, and the gear 82 is meshed with the toggle part. When the air conditioner is opened, the air inlet panel driving motor drives the gears to rotate, and then the gears and the racks are meshed with each other to drive the connecting rods to move so as to realize the opening and closing of the air inlet panel. The opening angle A of the air inlet panel ranges from 0 to 180 degrees, preferably ranges from 0 to 90 degrees, and external air flow can enter the air duct after the air inlet panel is opened.

Further, the drive structure comprises a drive 8; the driving portion 8 is used to drive the gear 82 to rotate.

Further, the number of the air outlets 2 is at least two; a centrifugal fan 6 is arranged corresponding to each air outlet 2; the centrifugal fan 6 is disposed in the casing 1. The operation parameters of each fan and the air outlet direction of the air outlet 2 can be independently controlled, and the individual requirements of different users in the same room can be met; the personalized requirements of different users in the same room can be met, and targeted air supply can be realized.

Furthermore, the air outlet 2 is positioned at the bottom of the shell 1, and the straight-down volute structure directly blows air flow on the ground under the heating working condition, so that the hot air landing performance is better, and the comfort level is higher;

and/or, every air outlet 2 department all corresponds and is provided with aviation baffle 3, adopts 6 many air outlets 2 modes of many centrifugal fan, can enlarge the air-out angle, and coverage is wide, can realize the room quick heat transfer, and temperature distribution is more even, and the comfort level is high. When the room temperature basically meets the requirements of users, the single fan can be independently started to directionally supply air to the users, the cold and heat brought by airflow can be delivered to the positions of the users in a targeted mode, and the energy utilization rate is high.

And/or, the number of the air outlets 2 is two, that is, the centrifugal fans 6 are two, according to the airflow flowing characteristic of the centrifugal fans 6, wide-angle air supply can be realized after the double centrifugal fans 6 are opened, the room can exchange heat quickly, the temperature distribution is more uniform, and the comfort level is high;

and/or the shape of the shell 1 is a cuboid.

Furthermore, the air outlet 2 is closed by the air deflector 3 as a closed position; the air outlet 2 is opened by the air deflector 3 as an opening position; the air deflector 3 is rotatable between a closed position and an open position.

Further, at least two outlets 2 are sequentially arranged in the longitudinal direction of the housing 1.

Further, a first rotating shaft is arranged on the air deflector 3; a first mounting hole is formed in the shell 1; the first rotating shaft is rotatably arranged in the first mounting hole. The air deflector 3 adopts the installation mode of the rotary air deflector 3 of the conventional air conditioner, namely one end of the air deflector 3 is provided with a pin, the outer shell 1 at the corresponding position is provided with a hole structure, the relative rotation can be realized by the pin-hole matching mode, the other end of the air deflector 3 is matched and fixed with a motor shaft, and the motor drives the air deflector 3 to rotate. The front is provided with an opening which forms an air inlet 4;

according to the embodiment of the application, the air conditioner comprises an air conditioner indoor unit, and the air conditioner indoor unit is the air conditioner indoor unit.

The evaporator 7 is arranged in the casing 1, and the centrifugal fan 6 comprises a centrifugal fan blade 62, a wind channel 61, a wind channel inlet 63, a wind channel outlet 64 and a wind sweeping blade 66.

According to an embodiment of the present application, there is provided a control method of an air conditioner, including the steps of:

acquiring an operation mode of an air conditioner;

and controlling the opening number of the centrifugal fans 6, the operation parameters of each centrifugal fan 6 and the air outlet direction according to the operation mode.

Further, controlling the number of the centrifugal fans 6 to be turned on, the operating parameters of each centrifugal fan 6 and the air outlet direction according to the operating mode includes the following steps:

when the operation mode of the air conditioner is a temperature adjusting mode, controlling each centrifugal fan 6 to be started;

and/or controlling the corresponding centrifugal fan 6 to be started when the operation mode of the air conditioner is the directional blowing mode.

When the difference between the current indoor temperature and the temperature expected by the user is large, the double fans can be started. The air supply angle of the centrifugal fan 6 is far larger than that of a conventional cross flow fan, the coverage range is wide, airflow is more uniformly distributed in a room, and the heat exchange efficiency in the room is higher, so that the temperature expected by a user can be quickly reached.

When a plurality of users exist in a room, the running states of the corresponding fans can be respectively controlled according to different user requirements, so that the personalized partitioned air supply of the users in different areas of the same room is realized. For example: two users are arranged in the room and are respectively positioned in the left area and the right area of the room, and the two left fans and the right fans can be correspondingly started simultaneously; if the user in the left area needs strong air blowing and the user in the right area needs weak air blowing, the rotating speed of the left and right fans can be correspondingly adjusted to meet the requirements of the user.

When the room temperature basically meets the requirements of users, a single fan can be independently started to directionally supply air to the area where the users are located, cold or heat brought by airflow can be delivered to the positions where the users are located in a targeted mode, and the energy utilization rate is high.

When the air conditioner is started, the driving motor drives the air inlet panel 5 to open and close. The opening angle A of the air inlet panel 5 ranges from 0 to 180 degrees, preferably ranges from 0 to 90 degrees, and after the air inlet panel 5 is opened, external air flow can enter the air duct 61.

The opening angle of the air inlet panel 5 is correlated with the rotation speed of the inner fan, and the opening angle and the rotation speed of the inner fan are in a linear relation, namely A is k R + A1, wherein A is the opening angle; k is a scale factor, and the value of k is 0.1-0.4, preferably 0.18; r is the rotating speed of the inner fan, the value is 100-500 rpm, and different rotating speeds are selected for each wind gear; a1 is an intercept, and is 0-20 degrees, preferably 5 degrees. When the opening angle A is 90 degrees, front air inlet can be realized, air inlet resistance is minimum, and efficiency is highest. In the shutdown state, the angle a takes a value of 0 °, that is, the air deflector 3 is in the closed state. A1 is the lowest opening angle that can allow indoor temperature variation. K is the relation value of different fans and the opening angle.

When the wind gear changes, namely the rotating speed of the fan changes, the performance curve of the fan changes, the air suction capacity of the fan changes, but the air inlet 4 of the conventional on-hook machine is of a fixed structure, the area of the air inlet is not adjustable, when the air inlet area does not meet the air suction capacity of the fan, the phenomenon of airflow surge can be generated inside the air duct 61, the auditory discomfort is caused, meanwhile, the phenomenon of air outlet which is suddenly reduced can be generated, and the discomfort of the blowing feeling is caused.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. An indoor unit of an air conditioner, comprising:

the air conditioner comprises a shell (1), wherein an air inlet (4) is formed in the shell (1); the air inlet area of the air inlet (4) is adjustable;

the fan is arranged in the shell (1); the air inlet area and the rotating speed of the fan are in positive correlation.

2. The indoor unit of claim 1, further comprising an air intake panel (5); the air inlet panel (5) is arranged at the air inlet (4); the air inlet panel (5) can move to adjust the size of the air inlet area.

3. An indoor unit of an air conditioner according to claim 2, wherein the casing (1) is provided with an air outlet (2).

4. An indoor unit of an air conditioner according to claim 3, wherein one end of the air intake panel (5) near the air outlet (2) is pivotally connected to the casing (1).

5. An indoor unit of an air conditioner according to claim 4, wherein the rotation speed of the fan is R; when the air inlet panel (5) is used for closing the air inlet (4), the opening angle of the air inlet panel (5) is 0 degree; the opening angle of the air inlet panel (5) is A ═ k × R + A1; wherein K is a scale factor; a1 is the intercept.

6. An indoor unit of an air conditioner according to claim 5, wherein R < 100 > is < 500 rpm; and/or, 0.1 ≦ k ≦ 0.4; and/or, when R is 0, a1 ═ 0; and/or, when R >0, 5 DEG < A1 < 20 DEG; and/or 0 DEG ≦ A ≦ 180 deg.

7. The indoor unit of claim 6, wherein 0 ° ≦ A ≦ 90 °; and/or, k is 0.18; and/or, when R >0, a1 ═ 5 °.

8. An air-conditioning indoor unit according to claim 4, further comprising a link structure (81); the connecting rod structure comprises a main connecting rod and a branch connecting rod; the branch connecting rod is rotatably arranged on the main connecting rod; the branch connecting rod is connected with the air inlet panel (5); the main connecting rod can move to drive the branch connecting rod to rotate, and then the air inlet panel (5) rotates.

9. An indoor unit of an air conditioner according to claim 8, wherein the intake panel has a first edge and a second edge which are disposed opposite to each other; a first rotating part is arranged on the first edge; the shell is provided with a first rotating hole; the first rotating part is rotatably arranged in the first rotating hole; a second rotating part is arranged on the second edge; a second rotating hole is formed in the shell; the second rotating part is rotatably arranged in the second rotating hole.

10. An indoor unit of an air conditioner according to claim 9, wherein the branch link is fixedly connected to the first rotation portion.

11. An indoor unit of an air conditioner according to claim 10, wherein the branch link is fixedly connected to the first rotation portion by a flat structure.

12. The indoor unit of air conditioner according to claim 9, wherein the number of the intake panels (5) is set to at least two; the at least two air inlet panels (5) are sequentially arranged in the direction close to the air outlet (2).

13. The indoor unit of claim 12, wherein when the inlet vent (4) is closed, at least two of the inlet air panels (5) are spliced to close the inlet vent (4).

14. An indoor unit of an air conditioner according to claim 12, wherein the number of the branch links is set to at least two; the branch connecting rods are correspondingly connected with the air inlet panels (5) one by one.

15. An air-conditioning indoor unit according to claim 9, further comprising a driving structure including a gear (82); the gear (82) is rotatably arranged on the shell; the main connecting rod is provided with a shifting part, and the gear (82) is meshed with the shifting part.

16. An indoor unit of an air conditioner according to claim 15, wherein the driving structure includes a driving part (8); the driving part (8) is used for driving the gear (82) to rotate.

17. An air-conditioning indoor unit according to claim 3, characterized in that the fan is a centrifugal fan (6); the number of the air outlets (2) is at least two; a centrifugal fan (6) is arranged corresponding to each air outlet (2); the centrifugal fan (6) is arranged in the shell (1).

18. An air conditioner comprising an indoor unit of an air conditioner, characterized in that the indoor unit of an air conditioner is the indoor unit of an air conditioner according to any one of claims 1 to 17.