CN-224215453-U - Indoor unit of air conditioner

CN224215453UCN 224215453 UCN224215453 UCN 224215453UCN-224215453-U

Abstract

The utility model provides an air conditioner indoor unit which comprises a heat exchanger and an on-off control device, wherein the heat exchanger comprises a refrigerant main pipe, a plurality of first heat exchange pipelines and at least one second heat exchange pipeline, each first heat exchange pipeline is configured to receive a refrigerant from the refrigerant main pipe, each second heat exchange pipeline is communicated with the refrigerant main pipe to receive the refrigerant from the refrigerant main pipe, and the on-off control device is arranged between the refrigerant main pipe and the plurality of first heat exchange pipelines and is configured to control on-off between each first heat exchange pipeline and the refrigerant main pipe. The on-off control device is used for adjusting the number of the first heat exchange pipelines communicated with the refrigerant main pipe, so that the air outlet temperature of the air conditioner indoor unit is improved, blown cold air is more comfortable, and the use experience of a user is improved.

Inventors

ZHOU XINGYU
WANG YIJIN
YU HAO

Assignees

青岛海尔空调器有限总公司
海尔智家股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250513

Claims (10)

1. An air conditioning indoor unit, comprising: The heat exchanger comprises a refrigerant main pipe, a plurality of first heat exchange pipelines and at least one second heat exchange pipeline, wherein each first heat exchange pipeline is configured to receive a refrigerant from the refrigerant main pipe; The on-off control device is arranged between the refrigerant main pipe and the plurality of first heat exchange pipelines and is configured to control on-off between each first heat exchange pipeline and the refrigerant main pipe.
2. An indoor unit for an air conditioner according to claim 1, wherein, The on-off control device comprises an inlet and a plurality of outlets, and the outlets are connected with the inlet in an on-off controlled manner through the control part; One end of the refrigerant main pipe is connected with the inlet; The heat exchanger further comprises a plurality of first branch pipelines, one ends of the first branch pipelines are connected with the outlets in a one-to-one correspondence mode, and the other ends of the first branch pipelines are connected with the first heat exchange pipelines in a one-to-one correspondence mode.
3. An indoor unit for an air conditioner according to claim 2, wherein, The on-off control device further includes: The shell is used for defining a liquid separation cavity, and the wall surface of the liquid separation cavity is provided with the inlet and a plurality of outlets; The control part is movably arranged in the liquid separation cavity and is configured to close at least one outlet or avoid all the outlets.
4. An indoor unit for an air conditioner according to claim 3, wherein, The liquid separating device comprises a liquid separating cavity, a plurality of outlets, a plurality of connecting pipes and a plurality of connecting pipes, wherein the outlets are arranged at intervals in the circumferential direction of the liquid separating cavity; The control part is rotatably arranged in the liquid separating cavity around the axial direction of the liquid separating cavity.
5. The indoor unit of claim 4, wherein the indoor unit of the air conditioner, The control part comprises a first sealing part and a second sealing part which are used for sealing the outlet, wherein the first sealing part and the second sealing part are sequentially arranged in the circumferential direction of the liquid separating cavity and fixedly connected with each other; The plurality of outlets form a first outlet group and a second outlet group, each of the first outlet group and the second outlet group comprises at least one outlet, the first outlet group and the second outlet group are distributed on two sides of the center of the liquid separating cavity, the first sealing part is configured to seal the outlets in the first outlet group, and the second sealing part is configured to seal the outlets in the second outlet group.
6. An indoor unit for an air conditioner according to claim 5, wherein, The outlets are arranged on the bottom wall of the liquid separating cavity; The surface of the side, close to the bottom wall, of the first closing part and the surface of the side, close to the bottom wall, of the first closing part are in contact with the bottom wall; The inlet is arranged on the peripheral wall of the liquid separating cavity.
7. The indoor unit of claim 4, wherein the indoor unit of the air conditioner, The plurality of first heat exchange pipelines are sequentially arranged in the up-down direction; The number of the second heat exchange pipelines is multiple, each second heat exchange pipeline is arranged between two adjacent first heat exchange pipelines, and/or, And one is positioned above the uppermost first heat exchange pipeline of the second heat exchange pipeline.
8. An indoor unit for an air conditioner according to claim 5, wherein, The outlet comprises a first outlet, a second outlet, a third outlet and a fourth outlet; The four first heat exchange pipelines are sequentially arranged in the up-down direction and are respectively connected with the first outlet, the second outlet, the third outlet and the fourth outlet in sequence, wherein the fourth outlet is connected with the first heat exchange pipeline positioned at the lowest part and/or, The control part is provided with a first station, a second station and a third station; The first closing part of the control part at a first station closes the first outlet and the second outlet, and the second closing part closes the fourth outlet; The first closing part of the control part at a second station closes the second outlet and the third outlet, and the second closing part closes the fourth outlet; the first sealing part and the second sealing part of the control part at the third station are both away from all the outlets.
9. The indoor unit of claim 1, further comprising: the heat exchanger is arranged in the shell; A blower disposed in the housing and configured to cause an airflow to be formed through the heat exchanger and blown out of the air outlet; and the air deflector is arranged at the air outlet and is configured to adjust the air flow blown out by the air outlet in the up-down direction.
10. The indoor unit of claim 9, wherein the indoor unit of the air conditioner, The ratio of the width of the air outlet in the up-down direction to the width of the heat exchanger in the up-down direction is 0.8 to 1.2.

Description

Indoor unit of air conditioner Technical Field The utility model relates to the technical field of air conditioners, in particular to an air conditioner indoor unit. Background With the increasing level of living of people, air conditioners have become indispensable electrical equipment in people's life. In the related art, when the air conditioner is used for refrigerating in summer, the temperature of cold air blown out by the indoor unit is low, and the cold air is blown on a user body, so that the user feels uncomfortable, and the use experience of the user is low. Disclosure of utility model The present utility model has been made in view of the above-mentioned problems, and an object of the present utility model is to provide an air conditioning indoor unit that overcomes or at least partially solves the above-mentioned problems. An object of the present utility model is to solve the problem that the air conditioner in the related art has too low air outlet temperature during cooling, which causes direct blowing of cold air to customers to cause discomfort to the customers. Specifically, the utility model provides an air conditioner indoor unit. The indoor unit of the air conditioner comprises a heat exchanger, wherein the heat exchanger comprises a refrigerant main pipe, a plurality of first heat exchange pipelines and at least one second heat exchange pipeline, each first heat exchange pipeline is configured to receive a refrigerant from the refrigerant main pipe, each second heat exchange pipeline is communicated with the refrigerant main pipe to receive the refrigerant from the refrigerant main pipe, and an on-off control device is arranged between the refrigerant main pipe and the plurality of first heat exchange pipelines and is configured to control on-off between each first heat exchange pipeline and the refrigerant main pipe. In some embodiments, the on-off control device comprises an inlet and a plurality of outlets, the outlets are connected with the inlet in an on-off controlled manner through the control part, one end of the refrigerant main pipe is connected with the inlet, the heat exchanger further comprises a plurality of first branch pipelines, one ends of the first branch pipelines are connected with the outlets in a one-to-one correspondence manner, and the other ends of the first branch pipelines are connected with the first heat exchange pipelines in a one-to-one correspondence manner. In some embodiments, the on-off control device further comprises a shell, a control part and a control part, wherein the shell defines a liquid separation cavity, the inlet and a plurality of outlets are arranged on the wall surface of the liquid separation cavity, and the control part is movably arranged in the liquid separation cavity and is configured to close at least one outlet or avoid all the outlets. In some embodiments, the plurality of outlets are arranged at intervals in the circumferential direction of the liquid separating cavity, an included angle formed by connecting lines between the axes of two adjacent outlets and the center of the liquid separating cavity is an included angle to form a plurality of included angles, at least one included angle is a minimum included angle, an included angle larger than the minimum included angle is an integral multiple of the minimum included angle, and the control part is rotatably arranged in the liquid separating cavity around the axial direction of the liquid separating cavity. In some embodiments, the control part comprises a first sealing part and a second sealing part for sealing the outlets, the first sealing part and the second sealing part are sequentially arranged in the circumferential direction of the liquid separating cavity and fixedly connected, the first sealing part and the second sealing part are rotatably arranged in the liquid separating cavity around the axial direction of the liquid separating cavity, a plurality of outlets form a first outlet group and a second outlet group, each of the first outlet group and the second outlet group comprises at least one outlet, the first outlet group and the second outlet group are respectively arranged on two sides of the center of the liquid separating cavity, and the first sealing part is configured to seal the outlets in the first outlet group and the second sealing part is configured to seal the outlets in the second outlet group. In some embodiments, the plurality of outlets are all arranged on the bottom wall of the liquid separating cavity, the surface of one side of the first closing part close to the bottom wall and the surface of one side of the first closing part close to the bottom wall are contacted with the bottom wall, and the inlet is arranged on the peripheral wall of the liquid separating cavity. In some embodiments, the plurality of first heat exchange pipelines are sequentially arranged in the up-down direction, the plurality of second heat exchange pipelines are arran