WO2021051895A1

WO2021051895A1 - Indoor unit, air conditioner, and air conditioner control method

Info

Publication number: WO2021051895A1
Application number: PCT/CN2020/095225
Authority: WO
Inventors: 黄煜鹏; 贾冰冰; 李振华; 杨俊山; 苏玉熙
Original assignee: 珠海格力电器股份有限公司
Priority date: 2019-09-20
Filing date: 2020-06-09
Publication date: 2021-03-25
Also published as: CN110594861A; CN110878969A

Abstract

An indoor unit, an air conditioner, and an air conditioner control method. The indoor unit comprises a shell (10), wherein the shell (10) is provided with a ventilation opening; a nest tongue part (20), wherein the nest tongue part (20) is arranged at the position of the ventilation opening; and an air volume adjusting part (30), wherein the air volume adjusting part (30) is movably connected to the shell (10) and located on the outer side of the nest tongue part (20), the air volume adjusting part (30) is provided with a first position making contact with the nest tongue part (20), the air volume adjusting part (30) is provided with a second position away from the nest tongue part (20), and the air volume adjusting part (30) can stay at any position between the first position and the second position so as to change the air intake volume of the ventilation opening. By using the air volume adjusting part (30), the air output volume of the ventilation opening can be changed according to user requirements, such that the air output volume at the ventilation opening maintains a uniform air output manner all the time, the air blowing comfort of the indoor unit is improved, and the user experience is improved.

Description

Indoor unit, air conditioner and air conditioner control method

Technical field

This application relates to the technical field of air-conditioning equipment, and in particular, to an indoor unit, an air conditioner, and a method for controlling the air conditioner. This application claims the priority of the patent application filed to the State Intellectual Property Office of China on December 19, 2019, the application number is 201911319500.0, and the invention title is "Indoor Units, Air Conditioners, and Air Conditioner Control Methods", as well as the priority of the patent application in 2019 The priority of the patent application filed to the State Intellectual Property Office of China with the application number 201910894389.1 and the invention titled "Indoor Unit, Air Conditioner, and Air Conditioner Control Method" on September 20, 2010.

Background technique

Existing wall-mounted air conditioners usually have only one air inlet. When the air inlet is small, the amount of air entering the air conditioner per unit time will be limited. When the fan speed reaches a certain speed, the air inlet volume cannot meet the demand for air volume. The increase of the air outlet has little effect on the increase of the air volume, and the size of the air inlet directly affects the air volume of the air outlet. When the air conditioner uses a large air inlet, although the air inlet volume can meet the demand for air volume, because the air inlet angle is fixed, the air distribution in the body will be uneven at different speeds, which affects the uniformity of the air and affects the comfort of the human body. , Which reduces the user experience.

Summary of the invention

The main purpose of this application is to provide an indoor unit, an air conditioner, and a method for controlling the air conditioner, so as to solve the problem of uneven air output from the air conditioner in the prior art.

In order to achieve the above objective, according to one aspect of the present application, an indoor unit is provided, which includes: a housing with a vent; a socket, where the socket is provided at the vent; and an air volume adjustment part, an air volume adjustment part It is movably connected to the housing and is located outside the socket tongue; wherein the air volume adjustment part has a first position in contact with the socket tongue part, and the air volume adjustment part has a second position away from the socket tongue part, and the air volume adjustment part can Stay at any position between the first position and the second position to change the air intake of the vent.

Further, the vent includes an upper air vent and a lower air vent, the socket tongue includes an upper socket tongue and a lower socket tongue, the upper socket tongue is arranged at the upper air vent, the lower socket tongue is arranged at the lower air vent, and both the upper air vent and the lower air vent are arranged There is an air volume adjustment part.

Further, the air volume adjustment part includes: an upwind volume adjustment part provided at the upwind opening, the upwind volume adjustment part has a first position in contact with the upper socket tongue, and the upwind volume adjustment part has a first position away from the upper socket tongue In the second position, the upper air volume adjustment part can stay at any position between the first position and the second position to change the air inlet volume of the upper air outlet.

Further, the upper air volume adjusting portion includes: a first adjusting plate, the first end of the first adjusting plate is connected to the housing, and the second end of the first adjusting plate is connected around the first end of the first adjusting plate and the housing Is rotatably arranged so that the first adjusting plate has a first position and a second position. When the first adjusting plate is located at the first position, the first adjusting plate and the upper socket tongue and the upper air vent are surrounded by a first position. Ventilation channel, when the first adjusting plate is in the second position, the second end of the first adjusting plate rotates toward the inner side of the housing, so that a second ventilation channel is formed between the second end of the first adjusting plate and the upper socket tongue .

Further, the air volume adjustment part includes: a down air volume adjustment part, the down air volume adjustment part is provided at the down air outlet, the down air volume adjustment part has a first position in contact with the lower socket tongue, and the down air volume adjustment part has a first position away from the lower socket tongue. In the second position, the down air volume adjusting part can stay at any position between the first position and the second position to change the air inlet volume of the down air outlet.

Further, the downward air volume adjustment part includes: a second adjustment plate, the first end of the second adjustment plate is connected with the housing, and the second end of the second adjustment plate is connected around the first end of the second adjustment plate and the housing Is rotatably arranged so that the second adjusting plate has a first position and a second position. When the second adjusting plate is in the first position, the second adjusting plate and the lower socket tongue and the lower air outlet are enclosed in a third position. Ventilation channel, when the second adjusting plate is in the second position, the second end of the second adjusting plate rotates toward the inner side of the housing, so that a fourth ventilation channel is formed between the second end of the second adjusting plate and the lower socket tongue .

Further, the indoor unit has an upper air outlet mode. When the indoor unit is in the upper air outlet mode, the upper air vent is air out, the lower air vent enters the air, the upper air volume adjustment part is located at the first position, and the down air volume adjustment part is located at the first position or the second position. Two positions.

Furthermore, the indoor unit also has a lower air outlet mode. When the indoor unit is in the lower air outlet mode, the upper air vent enters air, and the lower air vent airs out. The upper air volume adjustment part is located at the first position or the second position, and the down air volume adjustment part is located at the first position or the second position. The first position.

Further, the upwind adjustment part includes: a first rotation shaft, the first rotation shaft is connected with the housing, the first end of the first adjustment plate is connected with the first rotation shaft; the first driving part, the first driving part drives The rotating shaft rotates to drive the first adjusting plate to rotate.

Further, the upwind adjustment part includes: a second rotation shaft, the second rotation shaft is connected with the housing, the first end of the second adjustment plate is connected with the second rotation shaft; a second driving part, the second driving part drives The second rotating shaft rotates to drive the second adjusting plate to rotate.

Further, the downward air volume adjustment part includes: a second adjustment plate, the first end of the second adjustment plate is rotatably connected with the inner surface of the diffuser section of the indoor unit, the diffuser section is provided with ventilation holes, and the second adjustment plate It has a closed position when the vent is closed, and the second end of the second adjusting plate has a rotation around the connection point of the first end of the second adjusting plate and the diffuser section to gradually avoid the avoiding position of the vent; the third adjusting plate , The first end of the third adjusting plate is rotatably connected with the outer surface of the diffuser section, the third adjusting plate has a closed position when the vent hole is closed, and the second end of the third adjusting plate has a loop around the third adjusting plate The connection point between the first end and the diffuser section is rotated to gradually avoid the avoiding position of the ventilation hole; among them, when the second adjusting plate is in the avoiding position and the third adjusting plate is in the avoiding position, the airflow from the outside can enter through the ventilation holes Indoor unit.

Further, when the third adjusting plate is in the closed position, the second adjusting plate can stay at any position between the avoiding position and the closed position, and the air flow blown from the indoor unit is guided to the preset position through the second adjusting plate.

Further, the indoor unit further includes a second driving part and a third driving part, the second driving part is connected with the second adjusting plate, the third driving part is connected with the third adjusting plate, the second driving part and the third driving part The second adjusting plate and the third adjusting plate are driven to rotate independently.

Further, the downward air volume adjustment part includes an ejection mechanism and a second adjustment plate. The ejection mechanism is connected to the diffuser section of the indoor unit. The diffuser section is provided with ventilation holes. The second adjustment plate is located in the diffuser section. The transmission part passes through the vent hole and is connected to the second adjustment plate. The push-out mechanism can drive the second adjustment plate to move so that the second adjustment plate has a closed position for closing the vent hole, and the second adjustment plate has a retreat position away from the vent hole ; Wherein, when the second regulating plate is in the avoiding position, the airflow located outside can enter the indoor unit through the ventilation holes.

Further, the ejection mechanism includes: a power source, the power source is connected to the outer surface of the diffuser section, the output shaft of the power source is provided with a drive gear; a drive rack, the drive rack is arranged in mesh with the drive gear, and the drive rack One end of is connected with the second adjusting plate.

Further, there are a plurality of driving racks, and the plurality of driving racks are arranged at intervals.

Further, at least one of the upper air volume adjustment part and the down air volume adjustment part includes: an adjustment plate support frame, and the adjustment plate support frame is connected with the housing.

Further, the indoor unit includes a first adjusting plate, a second adjusting plate, and a third adjusting plate. At least one of the first adjusting plate, the second adjusting plate, and the third adjusting plate includes: an air deflector body, an air deflector body At least one end of the air guide is provided with a connecting shaft, and at least one recess is provided on the side of the air deflector body away from the connecting shaft.

Furthermore, the structure of the upper air volume adjustment part and the lower air volume adjustment part are the same.

According to another aspect of the present application, there is provided an air conditioner, including an indoor unit, the indoor unit being the aforementioned indoor unit.

According to another aspect of the present application, there is provided a method for controlling an air conditioner. The method is used to control the above-mentioned air conditioner. The method includes the following steps: when the air conditioner is in a heating mode, controlling an indoor unit to be in a downward air outlet mode, When the lower cross-flow fan blades in the shell are in a low-speed state and the air volume blown by the lower cross-flow fan blades can meet the preset temperature, the first and second adjustment plates are controlled to be in the second position, and when the lower cross-flow fan is in the middle When the rotating speed is in the state, and the air volume blown by the lower cross-flow blades cannot meet the preset temperature, control the first adjusting plate to rotate the first preset angle until the air volume blown out by the lower cross-flow blades meets the preset temperature, and the current cross-flow blades are at high In the rotating speed state, and when the air volume blown out by the lower cross-flow blades cannot meet the preset temperature, the first adjusting plate is controlled to rotate a second preset angle until the air volume blown out by the lower cross-flow blades meets the preset temperature.

Further, when the air conditioner is in the cooling mode, the indoor unit is controlled to be in the upper air outlet mode. When the upper cross-flow fan blades in the housing are in a low-speed state and the air volume blown by the upper cross-flow fan blades can meet the preset temperature, the control first A regulating plate and a second regulating plate are both located at the second position. When the upper cross-flow fan blade is in the middle speed state and the air volume blown by the upper cross-flow fan cannot meet the preset temperature, the second regulating plate is controlled to rotate the third preset Angle, until the air volume blown by the upper cross flow blade meets the preset temperature, when the upper cross flow blade is at a high speed and the air volume blown by the upper cross flow blade cannot meet the preset temperature, control the second adjustment plate to rotate the fourth preset temperature Set the angle until the air volume blown by the upper cross-flow fan meets the preset temperature.

Applying the technical solution of the present application, by setting the air volume adjustment part, the air inlet volume of the vent can be changed, which solves the problem of uneven air outlet caused by the inability to adjust the air volume at the air outlet in the prior art. The air volume adjusting part can change the air volume of the vent according to the needs of the user, so that the air volume at the vent always maintains a uniform air outlet mode, which improves the comfort of the indoor machine and improves the user experience.

Description of the drawings

The drawings of the specification forming a part of the application are used to provide a further understanding of the application, and the exemplary embodiments and descriptions of the application are used to explain the application, and do not constitute an improper limitation of the application. In the attached picture:

Fig. 1 shows a schematic structural diagram of a first embodiment of an indoor unit according to the present application;

Fig. 2 shows a schematic structural diagram of a second embodiment of an indoor unit according to the present application;

Fig. 3 shows a schematic structural diagram of a third embodiment of an indoor unit according to the present application;

Fig. 4 shows a schematic structural diagram of a fourth embodiment of an indoor unit according to the present application;

Fig. 5 shows a schematic diagram of an exploded structure of an embodiment of an indoor unit according to the present application;

Fig. 6 shows a schematic structural diagram of a fifth embodiment of an indoor unit according to the present application;

Fig. 7 shows a schematic structural diagram of a sixth embodiment of an indoor unit according to the present application;

Fig. 8 shows a schematic structural view of an embodiment of an adjusting plate support frame according to the present application;

FIG. 9 shows a schematic structural diagram of an embodiment of the state of the staying position of the adjusting plate of the indoor unit according to the present application;

Fig. 10 shows a schematic structural diagram of an embodiment of an adjustment plate according to the present application;

Fig. 11 shows a schematic structural diagram of a seventh embodiment of an indoor unit according to the present application;

Fig. 12 shows a schematic structural diagram of an eighth embodiment of an indoor unit according to the present application;

Fig. 13 shows a schematic structural diagram of a ninth embodiment of an indoor unit according to the present application.

Among them, the above drawings include the following reference signs:

10. Shell; 11, upper air vent; 12, lower air vent; 13, panel; 14, upper bottom shell; 15, lower bottom shell; 16, main bottom shell;

20. Tongue; 21. Upper tongue; 22. Lower tongue;

30. Air volume adjustment part; 31. Upwind volume adjustment part; 311. First adjustment plate;

32. Downwind regulation part; 321, second regulating board; 322, third regulating board;

33. The first rotation axis; 34. The second rotation axis;

35. Support frame of adjusting plate;

41. The first ventilation channel; 42, the second ventilation channel; 43, the third ventilation channel;

50. Downstream wind blades;

60. Upstream wind blades;

70. Heat exchanger;

80. Diffuser section; 81. Ventilation holes;

90. Push out mechanism; 91. Drive rack;

100. Air deflector body; 101. Connecting shaft; 102. Gap gap;

200. Electrical box.

detailed description

It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other if there is no conflict. Hereinafter, the present application will be described in detail with reference to the drawings and in conjunction with the embodiments.

It should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and/or "including" are used in this specification, they indicate There are features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first" and "second" in the specification and claims of the application and the above-mentioned drawings are used to distinguish similar objects, and not necessarily used to describe a specific sequence or sequence. It should be understood that the terms used in this way are interchangeable under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any variations of them are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those clearly listed. Those steps or units may include other steps or units that are not clearly listed or are inherent to these processes, methods, products, or equipment.

Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in a variety of different forms, and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided to make the disclosure of this application thorough and complete, and to fully convey the concept of these exemplary embodiments to those of ordinary skill in the art. In the drawings, for clarity, it may be enlarged. The thicknesses of the layers and regions are shown, and the same reference numerals are used to denote the same devices, so their description will be omitted.

As shown in FIGS. 1 to 13, according to a specific embodiment of the present application, an indoor unit is provided.

Specifically, as shown in FIG. 1, the indoor unit includes a housing 10, a tongue portion 20 and an air volume adjusting portion 30. The housing 10 has vents. The socket and tongue portion 20 is provided at the vent. The air volume adjusting portion 30 is movably connected to the housing 10 and is located outside the socket and tongue portion 20. Wherein, the air volume adjusting portion 30 has a first position in contact with the tongue portion 20, and the air volume adjusting portion 30 has a second position away from the tongue portion 20, and the air volume adjusting portion 30 can stay between the first position and the second position. In order to change the air intake of the vent at any position.

In this embodiment, by providing the air volume adjusting portion 30, the air inlet volume of the vent can be changed, which solves the problem of uneven air output caused by the inability to adjust the air volume at the air outlet in the prior art. The air volume adjusting unit 30 can change the air volume of the vent according to the user's needs, so that the air volume at the vent always maintains a uniform air output mode, which improves the comfort of the indoor machine and improves the user experience.

Among them, the air vent includes an upper air vent 11 and a lower air vent 12. The socket tongue 20 includes an upper socket tongue 21 and a lower socket tongue 22. The upper socket tongue 21 is arranged at the upper air outlet 11, the lower socket tongue 22 is arranged at the lower air outlet 12, and both the upper air outlet 11 and the lower air outlet 12 are equipped with air volume adjustments. Department 30. In this way, the air volume adjustment part 30 can be matched with the socket tongue, and the air volume of the corresponding tuyere can be adjusted according to the needs of the user.

Specifically, the air volume adjustment part 30 includes an upwind volume adjustment part 31. The upwind adjusting part 31 is provided at the upwind 11. The upwind adjusting portion 31 has a first position that is in contact with the upper tongue 21, and the upwind adjusting portion 31 has a second position away from the upper tongue 21, and the upwind adjusting portion 31 can stay between the first position and the second position. At any position between the time, the air intake volume of the upwind port 11 can be changed. Among them, the upwind adjustment portion 31 includes a first adjustment plate 311. The first end of the first adjusting plate 311 is connected with the housing 10. The second end of the first adjusting plate 311 is rotatably arranged around the connection between the first end of the first adjusting plate 311 and the housing 10 so that the first adjusting plate 311 has a first position and a second position. When the first adjusting plate 311 is in the first position, the first ventilating passage 41 is enclosed between the first adjusting plate 311 and the upper socket 21 and the upper air port 11. When the first adjusting plate 311 is in the second position, the first ventilating passage 41 is enclosed. The second end of an adjusting plate 311 rotates toward the inner side of the housing 10 so that a second ventilation channel 42 is formed between the second end of the first adjusting plate 311 and the upper tongue 21. This arrangement makes the structure of the upper air volume adjustment part 31 simple and easy to operate.

Furthermore, the air volume adjustment part 30 includes a down air volume adjustment part 32. The leeward air volume adjustment portion 32 is provided at the leeward opening 12, the leeward volume adjustment portion 32 has a first position in contact with the lower socket tongue 22, and the leeward volume adjustment portion 32 has a second position away from the lower socket tongue 22. The leeward volume adjustment portion 32 can stay at any position between the first position and the second position to change the air intake volume of the down vent 12. Wherein, the down-air volume adjusting portion 32 includes a second adjusting plate 321, the first end of the second adjusting plate 321 is connected to the housing 10, and the second end of the second adjusting plate 321 surrounds the first end of the second adjusting plate 321 and The connection of the housing 10 is rotatably arranged, so that the second adjusting plate 321 has a first position and a second position. When the second adjusting plate 321 is located at the first position, a third ventilation channel 43 is enclosed between the second adjusting plate 321 and the lower socket 22 and the down vent 12. When the second adjusting plate 321 is at the second position, the second end of the second adjusting plate 321 rotates toward the inner side of the housing 10, so that a fourth end is formed between the second end of the second adjusting plate 321 and the lower tongue 22. Ventilation channel. This arrangement can make the structure of the downwind volume adjustment part 32 simple and easy to operate.

In this embodiment, the indoor unit has an upper air outlet mode. When the indoor unit is in the upper air outlet mode, the upper air vent 11 emits air, and the lower air vent 12 enters air. The upper air volume adjustment part 31 is located at the first position, and the down air volume adjustment part 32 is located in the first position or the second position. Alternatively, the downwind volume adjusting portion 32 is located at a certain position between the first position and the second position.

The indoor unit also has a downward air outlet mode. When the indoor unit is in the downward air outlet mode, the upper air inlet 11 enters air, and the lower air outlet 12 air exits. The upper air volume adjustment part 31 is located at the first position or the second position, and the down air volume adjustment part 32 Located in the first position. Of course, the upwind adjustment portion 31 may also be located at a certain position between the first position and the second position. This arrangement can realize the regulation of the air inlet volume at the air inlet, so that the air outlet volume at the air outlet is uniform.

Specifically, the upper air volume adjustment part 31 includes a first rotating shaft 33 and a first driving part. The first rotating shaft 33 is connected with the housing 10, and the first end of the first adjusting plate 311 is connected with the first rotating shaft 33. The first driving part drives the first rotating shaft 33 to rotate to drive the first adjusting plate 311 to rotate. The upwind adjusting part 31 includes a second rotating shaft 34 and a second driving part. The second rotating shaft 34 is connected to the housing 10. The first end of the second adjusting plate 321 is connected with the second rotating shaft 34. The second driving part drives the second rotating shaft 34 to rotate to drive the second adjusting plate 321 to rotate. Wherein, the first driving part and the second driving part may be stepping motors. This arrangement can improve the stability of the first adjusting plate 311 and the second adjusting plate 321 when rotating.

The indoor unit in the foregoing embodiment can also be used in the technical field of air conditioning equipment, that is, according to another aspect of the present application, an air conditioner is provided, including an indoor unit, and the indoor unit is the indoor unit in the foregoing embodiment.

According to another aspect of the present application, there is provided a method for controlling an air conditioner. The method is used to control the above-mentioned air conditioner. The method includes the following steps: when the air conditioner is in a heating mode, controlling an indoor unit to be in a downward air outlet mode, When the lower cross-flow fan blade 50 in the housing 10 is in a low-speed state, and the air volume blown by the lower cross-flow fan blade 50 can meet the preset temperature, the first regulating plate 311 and the second regulating plate 321 are controlled to be at the second position, When the lower cross-flow fan blade 50 is in the middle speed state, and the air volume blown by the lower cross-flow fan blade 50 cannot meet the preset temperature, the first adjusting plate 311 is controlled to rotate the first preset angle until the air volume blown out by the lower cross-flow blade 50 meets The preset temperature. When the lower cross-flow fan blade 50 is in a high-speed state, and the air volume blown by the lower cross-flow fan blade 50 cannot meet the preset temperature, the first adjusting plate 311 is controlled to rotate a second preset angle until the lower cross-flow fan 50 The volume of air blown meets the preset temperature.

When the air conditioner is in the cooling mode, the control indoor unit is in the upper air outlet mode. When the upper cross-flow fan 60 in the housing 10 is in a low-speed state, and the air volume blown by the upper cross-flow fan 60 can meet the preset temperature, control The first adjusting plate 311 and the second adjusting plate 321 are both located at the second position. When the upper cross-flow fan 60 is in the middle speed state and the air volume blown by the upper cross-flow fan 60 cannot meet the preset temperature, the second adjustment plate is controlled 321 rotates the third preset angle until the air volume blown by the upper cross flow fan blade 60 meets the preset temperature. When the upper cross flow fan blade 60 is at a high speed and the air volume blown by the upper cross flow blade 60 cannot meet the preset temperature, The second adjusting plate 321 is controlled to rotate a fourth preset angle until the air volume blown out by the upper cross-flow blade 60 meets the preset temperature. Among them, the heat exchanger 70 is disposed between the upper cross-flow fan blade 60 and the lower cross-flow fan blade 50.

Specifically, the indoor unit adopting this structure can adjust the air inlet area and the air inlet angle of different sizes according to different rotation speeds.

Since the size of the air inlet is adjustable, it can meet the needs of different air inlets at different speeds and avoid waste of fan speed. Since the air inlet angle is adjustable, the air flow inside the air conditioner can be evenly distributed and meet the requirements of human comfort. According to different air intake schemes, it can be realized to rotate the adjusting plate in different positions. Adjust the size and angle of the air inlet by rotating the adjusting plate at the air inlet.

The layout of the first adjusting plate 311 and the second adjusting plate 321 is shown in FIG. 1. The two adjusting plates are controlled by two motors. The first adjusting plate 311 is connected to the motor through a rotating shaft, and the second adjusting plate 321 is rotated by The shaft is connected to the motor. When one of the upper and lower air outlets needs to increase the air inlet area, the first adjusting plate 311 or the second adjusting plate 321 will rotate under the control of the motor. When the speed changes, the controller will The corresponding signal is transmitted to the motor connected with the rotating shaft to rotate to the required angle. The maximum angle of rotation depends on the maximum angle between the bottom of the volute tongue and the air conditioning surface.

When the air conditioner is not working, the first adjusting plate 311 and the second adjusting plate 321 are in contact with the volute tongue, and the air inlet area is at the minimum state at this time.

When the air conditioner works with the upper air inlet and lower air outlet, and the lower cross-flow fan blade is in a low speed state, as shown in Figure 2, the air inlet volume at the upper air outlet can meet the needs of the air outlet at the lower air outlet. Both the adjusting plate 311 and the second adjusting plate 321 are in a closed state.

When the air conditioner works with the upper air inlet and lower air outlet, and the lower cross-flow fan blades are in the middle speed state, as shown in Figure 3, because the air inlet volume at the upper air outlet cannot meet the air outlet volume at the lower air outlet, the first The adjusting plate 311 will rotate clockwise with the increase of the rotational speed of the lower cross-flow blades until the requirement of the air volume at the down outlet is met, and the second adjusting plate 321 is always in the closed state.

When the air conditioner works with the upper air inlet and the lower air outlet, and the lower cross-flow fan blades are in a high-speed state, as shown in Figure 4, at this time, because the air flow rate inside the air conditioner is very fast, in order to make the airflow at the two tuyere quickly reach a stable state , The first adjusting plate 311 is directly rotated to the maximum angle, parallel to the left side wall of the air conditioner, and the second adjusting plate 321 is in a closed state.

As shown in FIG. 11, according to another embodiment of the present application, the downwind volume adjusting portion 32 includes a second adjusting plate 321 and a third adjusting plate 322. The first end of the second regulating plate 321 is rotatably connected with the inner surface of the diffuser section 80 of the indoor unit, and the diffuser section 80 is provided with a vent 81. The second adjusting plate 321 has a closed position when the ventilation hole 81 is closed, and the second end of the second adjusting plate 321 has a rotation around the connection point of the first end of the second adjusting plate 321 and the diffuser section 80 to gradually avoid ventilation Avoidance position of hole 81. The first end of the third adjusting plate 322 is rotatably connected with the outer surface of the diffuser section 80, the third adjusting plate 322 has a closed position when the vent 81 is closed, and the second end of the third adjusting plate 322 has a second end. The connection point between the first end of the three adjusting plate 322 and the diffuser section 80 rotates to gradually avoid the avoiding position of the ventilation hole 81. Wherein, when the second adjusting plate 321 is at the avoiding position and the third adjusting plate 322 is at the avoiding position, the airflow from the outside can enter the indoor unit through the vent 81. This arrangement can increase the air inlet volume of the air outlet. As shown in FIG. 11, in this embodiment, the second adjusting plate 321 is located inside the tuyere.

When the third adjusting plate 322 is in the closed position, the second adjusting plate 321 can stay at any position between the avoiding position and the closed position, and the air flow blown from the indoor unit is guided to the preset position through the second adjusting plate 321. This arrangement can make the second adjusting plate 321 function as a wind deflector at this time, and can lead the airflow blown from the tuyere along a preset angle.

Further, the indoor unit further includes a second driving part and a third driving part. The second driving part is connected to the second adjusting plate 321, the third driving part is connected to the third adjusting plate 322, and the second driving part and the third driving part are connected to the third adjusting plate 322. The driving part independently drives the second adjusting plate 321 and the third adjusting plate 322 to rotate. Wherein, the second driving part and the third driving part may be motors, and this arrangement can improve the reliability and stability of the movement of the adjusting plate of the indoor unit. In this application, all the adjusting plates are shown in C in Figure 9, and the adjusting plate can be driven at any position by setting the drive motor. This setting can control the air intake volume according to the user preset temperature and preset air volume, effectively Improve the practicality of air conditioners.

As shown in Figures 12 and 13, according to another embodiment of the present application, the downward air volume adjustment portion 32 includes an ejection mechanism 90 and a second adjustment plate 321. The ejection mechanism 90 is connected to the diffuser section 80 of the indoor unit. A vent 81 is provided on the 80, and the second adjusting plate 321 is located in the diffuser section 80. The transmission part of the pushing mechanism 90 passes through the vent 81 to connect with the second adjusting plate 321. The pushing mechanism 90 can drive the second adjusting plate 321 Move so that the second adjusting plate 321 has a closed position to close the vent hole 81 and the second adjusting plate 321 has a retreat position away from the vent hole 81. Wherein, when the second adjusting plate 321 is in the avoiding position, the airflow from the outside can enter the indoor unit through the vent 81. This arrangement can increase the air inlet volume of the air outlet. Wherein, the second adjusting plate 321 can be arranged at the upper air outlet to cooperate with the first adjusting plate.

Further, the ejection mechanism 90 includes a power source and a driving rack 91. The power source is connected with the outer surface of the diffuser section 80, and the output shaft of the power source is provided with a driving gear. The driving rack 91 is configured to mesh with the driving gear, and one end of the driving rack 91 is connected with the second adjusting plate 321. This arrangement makes the structure of the ejection mechanism 90 simple and reliable. Among them, the power source may be a motor.

Preferably, there are a plurality of driving racks 91, and the plurality of driving racks 91 are arranged at intervals. This arrangement makes the movement of the second adjusting plate 321 more stable when the pushing mechanism 90 pushes out the second adjusting plate 321.

As shown in FIG. 8, at least one of the upward air volume adjustment part 31 and the downward air volume adjustment part 32 includes an adjustment plate support frame 35. The adjusting plate support frame 35 is connected with the housing 10. This arrangement can improve the installation stability of the up-air volume adjustment portion 31 and the down-air volume adjustment portion 32.

According to another embodiment of the present application, the indoor unit includes a first adjusting plate 311, a second adjusting plate 321, and a third adjusting plate 322. As shown in FIG. 10, the first adjusting plate 311, the second adjusting plate 321, and the third adjusting plate 322 all include a wind deflector body 100, and at least one end of the wind deflector body 100 is provided with a connecting shaft 101, and the wind deflector body 100 At least one relief gap 102 is opened on the side away from the connecting shaft 101. This arrangement can make the structure of each adjustment board simple, and improve the stability and reliability of the indoor unit.

In the present application, the structure of the upward air volume adjustment part 31 and the downward air volume adjustment part 32 may be set to the same structure. According to the orientation of each diffuser section, the corresponding adjusting plate structure is arranged, which effectively saves the production cost.

The air conditioner adopting this structure can dynamically adjust the air inlet structure according to the air inlet and outlet modes, and can ensure that the air duct structure is complete when the direction of the air inlet and outlet is exchanged. By adopting the technical solution of the present application, the volute structure of the air duct structure is a variable volute structure due to the setting of the adjusting plate. Only by driving the adjusting plate, the air inlet volume can be adjusted as required, which improves the traditional volute structure Disadvantages of fixed air intake. At the same time, the adjusting plate can be integrated with the casing or the air duct after adjustment, hidden and fixed, and does not occupy the air duct space, and there is no need to increase the air inlet channel by other means. The operation is convenient and the effect is in place in one step. When the upper air outlet mode is turned on, by adjusting the opening and closing angle of the lower frame end movable plate, the cross-sectional area of the air duct of the air inlet can be variably adjusted, and the air inlet volume can be adjusted. At the same time, the upper moving plate hits the inside of the volute to form a complete air duct. When the lower air outlet mode is turned on, the cross-sectional area of the air duct of the air inlet is also variably adjusted.

The application provides a variable volute structure, which is suitable for upper and lower air outlet air conditioners. Since the air inlet area of the upper and lower air conditioners needs to be air out in the reverse mode, the air inlet cannot be directly designed as a large-area air inlet grille. The design of this volute structure can change the air duct to dynamically adjust the air volume of the air inlet to meet The demand for alternate use of air inlets and outlets. The main body of the whole machine is composed of an upper bottom shell 14, a lower bottom shell 15, a main bottom shell 16, an evaporator, a DC motor 51, a DC motor 61, an electrical box 200, a panel 13, etc. The adjusting plates (including the first adjusting plate, the second adjusting plate, and the third adjusting plate) are all driven by the motor A, and the motor A is a stepping motor. The position of the adjusting plate can be different according to the demand of the air intake, and the opening angle of the opening is also different.

When the air conditioner is in the upper air inlet and lower air outlet mode, the first adjusting plate can be driven to the vertical state to maximize the area of the upper air inlet. At this time, the air inlet volume is the largest, and the air inlet can be directly blown to the upper side of the evaporator. If the first adjusting plate is fully closed, the inlet air can only pass through the upper through-flow fan first, and then contact the evaporator, the wind resistance will increase, which will have a greater impact on the wind speed.

When the air conditioner is in the lower air inlet and upper air outlet mode, the second adjusting plate can be rotated to the vertical state to maximize the area of the lower air inlet, and the air inlet volume is the largest at this time, and the air inlet can be directly blown to the lower side of the evaporator. If the second adjusting plate is fully closed, the inlet air can only pass through the lower cross-flow fan first, and then contact the evaporator, the wind resistance will increase, which will have a greater impact on the wind speed.

The air duct forms a variable structure volute and air inlet through the rotation of the upper and lower adjusting plates, and dynamically adjusts the air inlet volume as required, and indirectly adjusts the wind speed to meet the diverse needs of users in different scenarios.

As shown in Fig. 11, the adjusting plate is set as two layers inside and outside, respectively rotating around the holes at both ends, and driven by the stepping motors on both sides. The two moving plates at the air inlet are opened at the same time, and the fixed angles can be adjusted separately to better manage the air intake. The two moving plates at the air outlet are closed at the same time to form a part of the diffuser section.

As shown in Fig. 12 and Fig. 13, the movable plate structure driven by the shaft hole cooperation is changed to the second adjusting plate driven by the two-end ejection mechanism, and the rack and the second adjusting plate are engaged by a snap fit. At the air outlet end, the rack is retracted, and the second adjusting plate is closed and becomes a part of the diffuser section. At the end of the air inlet, the rack is pushed out, and the second adjusting plate is extended to increase the air inlet area and expand the air inlet volume.

Wherein, the above-mentioned air inlet or outlet method is not limited to that shown in the figure, and the upper air outlet and the lower air inlet may also be adopted. The position of the volute tongue mentioned above is not limited to that shown in the figure, and can be adjusted according to actual needs. The shape and size of the aforementioned adjusting plate are not limited to those shown in the figure, and can be adjusted according to actual needs.

For ease of description, spatially relative terms can be used here, such as "above", "above", "above the surface", "above", etc., to describe as shown in the figure Shows the spatial positional relationship between one device or feature and other devices or features. It should be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation of the device described in the figure. For example, if the device in the drawing is turned upside down, then a device described as "above other devices or structures" or "above other devices or structures" will then be positioned as "below the other devices or structures" or "on Under other devices or structures". Thus, the exemplary term "above" can include both orientations "above" and "below". The device can also be positioned in other different ways (rotated by 90 degrees or in other orientations), and the relative description of the space used here will be explained accordingly.

In addition to the above, it should be noted that the "one embodiment", "another embodiment", "embodiment", etc. referred to in this specification refer to specific features, structures, or features described in conjunction with the embodiment. The features are included in at least one embodiment described generally in this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when describing a specific feature, structure, or characteristic in combination with any embodiment, it is claimed that the combination of other embodiments to realize such a feature, structure, or characteristic also falls within the scope of the present application.

In the above-mentioned embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in an embodiment, reference may be made to related descriptions of other embodiments.

The above descriptions are only preferred embodiments of the application, and are not intended to limit the application. For those skilled in the art, the application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the protection scope of this application.

Claims

An indoor unit, characterized in that it comprises:

A housing (10), the housing (10) has a vent;

A tongue portion (20), the tongue portion (20) is arranged at the vent;

An air volume adjusting portion (30), the air volume adjusting portion (30) is movably connected to the housing (10) and located outside the socket and tongue portion (20);

Wherein, the air volume adjusting portion (30) has a first position in contact with the socket tongue portion (20), and the air volume adjusting portion (30) has a second position away from the socket tongue portion (20), The air volume adjusting part (30) can stay at any position between the first position and the second position to change the air inlet volume of the vent.
The indoor unit according to claim 1, characterized in that the vent includes an upper air vent (11) and a lower air vent (12), and the socket tongue (20) includes an upper socket tongue (21) and a lower socket tongue (22), the upper socket tongue (21) is arranged at the upper air outlet (11), the lower socket tongue (22) is arranged at the lower air outlet (12), the upper air outlet (11) and The air volume adjusting part (30) is arranged at the down vent (12).
The indoor unit according to claim 2, wherein the air volume adjusting unit (30) comprises:

The upwind regulation part (31), the upwind regulation part (31) is arranged at the upwind port (11), the upwind regulation part (31) has a contact point with the upper socket tongue (21) The first position, and the upper air volume adjustment portion (31) has the second position away from the upper tongue (21), and the upper air volume adjustment portion (31) can stay at the first position and At any position between the second positions, the air inlet volume of the upwind port (11) can be changed.
The indoor unit according to claim 3, characterized in that, the upwind adjustment unit (31) comprises:

The first adjusting plate (311), the first end of the first adjusting plate (311) is connected with the housing (10), and the second end of the first adjusting plate (311) is wound around the first The connection between the first end of the adjusting plate (311) and the housing (10) is rotatably arranged, so that the first adjusting plate (311) has the first position and the second position, when When the first adjusting plate (311) is located in the first position, the first adjusting plate (311), the upper socket tongue (21), and the upper air outlet (11) are enclosed in a first position. The ventilation channel (41), when the first adjusting plate (311) is in the second position, the second end of the first adjusting plate (311) rotates toward the inner side of the housing (10) to A second ventilation channel (42) is formed between the second end of the first adjusting plate (311) and the upper socket tongue (21).
The indoor unit according to claim 3, wherein the air volume adjusting unit (30) comprises:

Downwind volume adjustment part (32), the downwind volume adjustment part (32) is provided at the downwind port (12), the downwind volume adjustment part (32) has a first contact with the lower socket tongue (22) A position, and the downwind regulating portion (32) has the second position away from the lower socket tongue (22), the downwind regulating portion (32) can stay between the first position and the second position At any position in the middle, the air inlet volume of the downwind vent (12) can be changed.
The indoor unit according to claim 5, characterized in that, the downwind volume adjusting unit (32) comprises:

The second adjusting plate (321), the first end of the second adjusting plate (321) is connected with the housing (10), and the second end of the second adjusting plate (321) surrounds the second The connection between the first end of the adjusting plate (321) and the housing (10) is rotatably arranged, so that the second adjusting plate (321) has a first position and a second position, when the second adjusting plate (321) has a first position and a second position. When the adjusting plate (321) is in the first position, a third ventilation channel (43) is enclosed between the second adjusting plate (321), the lower socket tongue (22) and the downwind port (12), When the second adjusting plate (321) is in the second position, the second end of the second adjusting plate (321) rotates toward the inner side of the housing (10), so that the second adjusting plate ( A fourth ventilation channel is formed between the second end of 321) and the lower socket tongue (22).
The indoor unit according to claim 5, wherein the indoor unit has an upper air outlet mode, and when the indoor unit is in the upper air outlet mode, the upper air outlet (11) emits air, and the lower air outlet (12) Air intake, the upper air volume adjusting portion (31) is located at the first position, and the down air volume adjusting portion (32) is located at the first position or the second position.
The indoor unit according to claim 5, characterized in that the indoor unit also has a downward air outlet mode, and when the indoor unit is in the downward air outlet mode, the upper air outlet (11) enters air, and the lower air outlet The air outlet (12) emits air, the upper air volume adjusting portion (31) is located at the first position or the second position, and the down air volume adjusting portion (32) is located at the first position.
The indoor unit according to claim 4, characterized in that, the upwind adjustment unit (31) comprises:

The first rotating shaft (33), the first rotating shaft (33) is connected to the housing (10), and the first end of the first adjusting plate (311) is connected to the first rotating shaft (33). ) Are connected;

A first driving part, which drives the rotation shaft (33) to rotate to drive the first adjustment plate (311) to rotate.
The indoor unit according to claim 6, characterized in that, the upwind adjustment unit (31) comprises:

The second rotating shaft (34), the second rotating shaft (34) is connected with the housing (10), and the first end of the second adjusting plate (321) is connected to the second rotating shaft (34). ) Are connected;

A second driving part, which drives the second rotating shaft (34) to rotate to drive the second adjusting plate (321) to rotate.
The indoor unit according to claim 5, characterized in that, the downwind volume adjusting unit (32) comprises:

The second adjusting plate (321), the first end of the second adjusting plate (321) is rotatably connected with the inner surface of the diffuser section (80) of the indoor unit, and the diffuser section (80) is rotatably connected to the inner surface of the diffuser section (80). A vent hole (81) is provided, the second adjusting plate (321) has a closed position when the vent hole (81) is closed, and the second end of the second adjusting plate (321) has a second end around the first adjusting plate (321). The connection point between the first end of the second adjusting plate (321) and the diffuser section (80) is rotated to gradually avoid the avoiding position of the ventilation hole (81);

The third adjusting plate (322), the first end of the third adjusting plate (322) is rotatably connected with the outer surface of the diffuser section (80), and the third adjusting plate (322) has a closing position The closed position of the ventilation hole (81), and the second end of the third adjustment plate (322) has a connection around the first end of the third adjustment plate (322) and the diffuser section (80) The connecting point rotates to gradually avoid the avoiding position of the ventilation hole (81);

Wherein, when the second adjusting plate (321) is at the avoiding position and the third adjusting plate (322) is at the avoiding position, the airflow from the outside can enter the indoor unit through the ventilation holes (81).
The indoor unit according to claim 11, characterized in that, when the third adjusting plate (322) is in the closed position, the second adjusting plate (321) can stay at any position between the retreat position and the closed position Where, the air flow blown from the indoor unit is guided to a preset position through the second adjusting plate (321).
The indoor unit according to claim 11, characterized in that the indoor unit further comprises a second driving part and a third driving part, the second driving part is connected with the second adjusting plate (321), so The third driving part is connected to the third adjusting plate (322), and the second driving part and the third driving part independently drive the second adjusting plate (321) and the third adjusting plate (322) Rotate.
The indoor unit according to claim 5, characterized in that the downward air volume adjustment part (32) comprises an ejection mechanism (90) and a second adjustment plate (321), the ejection mechanism (90) and the indoor unit The diffuser section (80) is connected to the diffuser section (80), a ventilation hole (81) is opened on the diffuser section (80), the second regulating plate (321) is located in the diffuser section (80), and the ejector The transmission part of the mechanism (90) passes through the ventilation hole (81) and is connected to the second adjustment plate (321). The push-out mechanism (90) can drive the second adjustment plate (321) to move to So that the second adjusting plate (321) has a closed position for closing the vent hole (81), and the second adjusting plate (321) has a retreat position away from the vent hole (81);

Wherein, when the second adjusting plate (321) is in the avoiding position, the airflow from the outside can enter the indoor unit through the ventilation hole (81).
The indoor unit according to claim 14, wherein the pushing mechanism (90) comprises:

A power source, the power source is connected to the outer surface of the diffuser section (80), and a drive gear is provided on the output shaft of the power source;

A driving rack (91), the driving rack (91) is arranged in mesh with the driving gear, and one end of the driving rack (91) is connected with the second adjusting plate (321).
The indoor unit according to claim 15, characterized in that there are a plurality of said driving racks (91), and the plurality of said driving racks (91) are arranged at intervals.
The indoor unit according to claim 5, characterized in that at least one of the upward air volume adjustment part (31) and the downward air volume adjustment part (32) comprises:

An adjusting plate supporting frame (35), the adjusting plate supporting frame (35) is connected with the housing (10).
The indoor unit according to any one of claims 1 to 17, wherein the indoor unit comprises a first adjustment board (311), a second adjustment board (321) and a third adjustment board (322), so At least one of the first adjusting plate (311), the second adjusting plate (321), and the third adjusting plate (322) includes:

A wind deflector body (100), at least one end of the wind deflector body (100) is provided with a connecting shaft (101), and a side of the wind deflector body (100) away from the connecting shaft (101) is provided with At least one gap (102).
The indoor unit according to claim 18, characterized in that the structure of the up-air volume adjustment part (31) and the down-air volume adjustment part (32) are the same.
An air conditioner, comprising an indoor unit, characterized in that the indoor unit is the indoor unit according to any one of claims 1 to 19.
A method for controlling an air conditioner, which is used to control the air conditioner in claim 20, characterized in that the method comprises the following steps:

When the air conditioner is in the heating mode, the indoor unit is controlled to be in the downward air outlet mode. When the lower cross-flow fan (50) in the housing (10) is in a low-speed state, and the lower cross-flow wind When the air volume blown by the blade (50) can meet the preset temperature, the first regulating plate (311) and the second regulating plate (321) are controlled to be located in the second position, when the lower cross-flow fan (50) is in the state of middle speed When the air volume blown out by the lower cross-flow fan blade (50) cannot meet the preset temperature, the first adjusting plate (311) is controlled to rotate at a first preset angle until the lower cross-flow fan blade (50) is blown out When the lower cross-flow fan blade (50) is in a high-speed state and the air volume blown by the lower cross-flow fan blade (50) cannot meet the preset temperature, the first regulating plate is controlled (311) Rotate a second preset angle until the air volume blown by the lower cross-flow blade (50) meets the preset temperature.
The method according to claim 21, characterized in that, when the air conditioner is in the cooling mode, the indoor unit is controlled to be in the upper air outlet mode, and when the upper cross-flow fan (60) in the casing (10) is ) Is in a low-speed state and the air volume blown by the upper cross-flow fan (60) can meet the preset temperature, the first regulating plate (311) and the second regulating plate (321) are controlled to be located in the second position, when When the above-mentioned cross-flow fan blade (60) is in the state of intermediate rotation speed, and the air volume blown by the upper cross-flow fan blade (60) cannot meet the preset temperature, the second adjusting plate (321) is controlled to rotate at a third preset angle , Until the air volume blown by the upper cross-flow fan blade (60) meets the preset temperature, when the upper cross-flow fan blade (60) is in a high-speed state, and the air volume blown by the upper cross-flow fan blade (60) cannot meet the preset temperature When the temperature is preset, the second adjusting plate (321) is controlled to rotate a fourth preset angle until the air volume blown out by the upper cross-flow blade (60) meets the preset temperature.