CN113074413A

CN113074413A - Panel assembly and air conditioner indoor unit comprising same

Info

Publication number: CN113074413A
Application number: CN202110469168.7A
Authority: CN
Inventors: 王晨晨; 朱伟明; 秦蕊; 吴春志; 汤鹏飞
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-07-06

Abstract

The application relates to the technical field of air conditioning devices, in particular to a panel assembly and an air conditioner indoor unit comprising the panel assembly. The panel assembly comprises a panel, a movable plate and a driving mechanism, and an auxiliary air inlet is formed in the panel; the movable plate is movably arranged at the auxiliary air inlet; the driving mechanism is arranged on the panel and is in driving connection with the movable plate, and the driving mechanism is used for driving the movable plate to move so as to shield or avoid the auxiliary air inlet. The panel assembly provided by the technical scheme can be applied to an air conditioner indoor unit, the air inlet is increased by adjusting the position of the movable plate in the panel assembly, the air inlet volume is increased, the heat exchange capacity of an air conditioning system is further improved under the existing configuration, and the cost is lower than that of the existing air conditioner in which the heat exchange capacity is improved by increasing the size of the evaporator, increasing the shell of the air conditioner and the like.

Description

Panel assembly and air conditioner indoor unit comprising same

Technical Field

The application relates to the technical field of air conditioning devices, in particular to a panel assembly and an air conditioner indoor unit comprising the panel assembly.

Background

The external structure of the existing air conditioner indoor unit is usually completed by assembling a bottom shell, a panel body and a panel, and the air inlet of the air conditioner indoor unit is not changed any more because the panel body and the panel can not be changed. At the moment, in the operation of the air conditioning system, if the capacity is insufficient, the heat exchange capacity of the system is increased by adjusting the rotating speed of the fan and increasing the air intake.

However, due to structural limitation, the noise value of the indoor unit is increased by increasing the rotating speed, and the rotating speed of the fan blades is limited, so abnormal sounds such as rotating noise can occur after exceeding the range, and after-sale complaints are caused. That is, the expected heat exchange effect cannot be achieved by increasing the rotation speed. The configuration of the inner machine can only be adjusted, for example, the size of the evaporator is increased to improve the heat exchange panel, the shell of the inner machine is increased to improve the air intake and other cost increasing modes, and the required design parameters are met.

Disclosure of Invention

In order to solve among the prior art air conditioner indoor set and receive structural limitation, can only improve the intake through adjustment fan rotational speed, technical problem such as noise production, the application provides a panel subassembly and includes the air conditioner indoor set of this panel subassembly to can use current air conditioner indoor set in the hope, through improving the panel structure, improve the intake, promote heat transfer ability, further improve air conditioning system's refrigeration, heating effect.

To achieve the above object, according to one aspect of the present invention, there is provided a panel assembly.

A panel assembly according to an embodiment of the present application, comprising:

the panel is provided with an auxiliary air inlet;

the movable plate is movably arranged at the auxiliary air inlet;

and the driving mechanism is arranged on the panel and is in driving connection with the movable plate, and the driving mechanism is used for driving the movable plate to move so as to shield or avoid the auxiliary air inlet.

Further, in the panel assembly provided by the embodiment of the present invention, the movable plate has a first position for completely avoiding the auxiliary air inlet, a second position for partially shielding the auxiliary air inlet, and a third position for completely shielding the auxiliary air inlet during the moving process.

Further, in the panel assembly provided in the embodiment of the present invention, the auxiliary air inlet and the movable plate are correspondingly provided with a plurality of sets.

Further, in the panel assembly provided by the embodiment of the present invention, the driving mechanism includes a motor and a transmission shaft, and the motor drives the movable plate to move through the transmission shaft.

Further, in the panel assembly provided by the embodiment of the present invention, the driving mechanism further includes a gear disposed on the transmission shaft and a rack disposed on the movable plate, and the gear is engaged with the rack.

Further, in the panel assembly provided by the embodiment of the present invention, output shafts are disposed on two opposite sides of the motor, each motor is connected to two of the transmission shafts, and the two transmission shafts are respectively connected to the output shafts on two sides of the motor.

Further, in the panel assembly provided in the embodiment of the present invention, a first limiting member is formed at an end of an output shaft of the motor, a second limiting member is formed at one end of the transmission shaft, and the first limiting member and the second limiting member are in limiting fit with each other.

Further, in the panel assembly provided by the embodiment of the present invention, a sliding groove is provided on the panel, and the movable plate is in sliding fit with the sliding groove.

In order to achieve the above object, according to a second aspect of the present disclosure, an indoor unit of an air conditioner is also provided.

An air conditioner indoor unit according to an embodiment of the application comprises the panel assembly provided by the first aspect of the embodiment of the invention.

Further, in the air conditioner indoor unit provided by the embodiment of the invention, the air conditioner indoor unit further comprises an electrical box, and the electrical box is used for controlling the driving mechanism.

The panel assembly provided by the technical scheme can be applied to an air conditioner indoor unit, the air inlet is increased by adjusting the position of the movable plate in the panel assembly, the air inlet volume is increased, the heat exchange capacity of an air conditioning system is further improved under the existing configuration, and the cost is lower than that of the existing air conditioner in which the heat exchange capacity is improved by increasing the size of the evaporator, increasing the shell of the air conditioner and the like.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a schematic structural reference diagram of a panel assembly provided in an embodiment of the present application;

FIG. 2 schematically shows an enlarged view of a portion of FIG. 1;

fig. 3 is a reference view schematically illustrating a state of a panel assembly in an indoor unit of an air conditioner according to an embodiment of the present application in a first position;

fig. 4 is a reference view schematically illustrating a state of a panel assembly in an indoor unit of an air conditioner according to an embodiment of the present application in a second position;

fig. 5 is a reference view schematically illustrating a state of a panel assembly in an indoor unit of an air conditioner according to an embodiment of the present application in a third position;

FIG. 6 is a schematic structural reference diagram of a panel provided by an embodiment of the present application;

fig. 7 is a schematic structural reference diagram of a motor provided in an embodiment of the present application;

fig. 8 is a schematic structural reference diagram of a movable plate provided in an embodiment of the present application; and

fig. 9 is a reference diagram schematically showing the structure of a transmission shaft according to an embodiment of the present application.

In the figure:

1. a panel; 2. an auxiliary air inlet; 3. a movable plate; 4. a motor; 401. an output shaft; 402. a first limit piece; 5. a drive shaft; 501. a second limiting member; 6. a gear; 7. a rack; 8. a fixed seat; 9. a chute; 10. a let position port; 11. a limiting hole; 12. a panel body; 13. a first air inlet; 14. and a second air inlet.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings are intended to cover non-exclusive inclusions, such that a system, product or apparatus that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

In this application, the terms "upper", "lower", "inner", "middle", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the prior art, an air conditioner indoor unit is generally assembled by a bottom shell, a panel body and a panel, an air inlet position of the air conditioner indoor unit mainly comprises two parts, wherein one part is an air inlet arranged on the panel body, and the other part is an air inlet at an unclosed position formed by assembling the panel and the panel body; in addition, the size of the evaporator can be increased to improve the heat exchange panel, and the inner machine shell is enlarged to improve the air inlet amount, but a large amount of cost is increased.

In order to solve the above technical problems, as shown in fig. 1 to 9, an embodiment of the present invention provides a panel assembly for being mounted on an indoor unit of an air conditioner. The panel assembly of the embodiment of the invention mainly improves the air intake of the air conditioning system by improving the air inlet at the unclosed position formed by assembling the panel and the panel body of the indoor unit of the existing air conditioner, thereby improving the heat exchange capability of the system.

The panel assembly shown in fig. 1 and 2 includes a panel 1, a movable plate 3 and a driving mechanism, wherein the panel 1 is provided with an auxiliary air inlet 2; the movable plate 3 is movably arranged at the auxiliary air inlet 2; the driving mechanism is arranged on the panel 1 and is in driving connection with the movable plate 3, and the driving mechanism is used for driving the movable plate 3 to move so as to shield or avoid the auxiliary air inlet 2. In the use, through the position of actuating mechanism adjustment fly leaf 3 relative supplementary air intake 2, can adjust the intake through supplementary air intake 2, this embodiment panel assembly can be applied to in the air conditioner, through the position of fly leaf 3 in the adjustment panel assembly, increase the air intake, improve the intake, make air conditioning system heat transfer ability further promote under current configuration, than current air conditioner through increaseing the evaporimeter size, the cost that scheme promotion heat transfer ability such as increase air conditioner casing is lower, and compare in increase fan rotational speed, can additionally not produce abnormal sounds such as noise, obvious advantage has.

In the panel assembly provided by the embodiment of the present invention, the movable plate 3 has a first position, a second position and a third position during the movement. As shown in fig. 3, when the movable plate 3 is located at the first position, the movable plate 3 completely avoids the auxiliary air inlet 2, that is, the movable plate 3 completely does not shield the auxiliary air inlet 2, and at this time, the effective area available for air intake is the largest, so that the intake air volume can be increased to the greatest extent; as shown in fig. 4, when the movable plate 3 is located at the second position, the movable plate 3 partially shields and partially avoids the auxiliary air inlet 2, that is, the movable plate 3 does not completely shield the auxiliary air inlet 2, at this time, the auxiliary air inlet 2 can still be used for air intake, and the position of the movable plate 3 at the second position is a range, which can still further perform position adjustment to change the actual air intake amount of the auxiliary air inlet 2; as shown in fig. 5, when the movable plate 3 is located at the third position, the movable plate 3 completely blocks the auxiliary air inlet 2, that is, the movable plate 3 completely seals the auxiliary air inlet 2, at this time, the auxiliary air inlet 2 cannot be used for air intake, and at this time, the air intake structure of the indoor unit of the air conditioner is the same as that in the prior art. In the actual use process, the driving mechanism continuously adjusts the air intake through the auxiliary air inlet 2 by driving the movable plate 3 among the first position, the second position and the third position, so as to achieve the technical effects of improving the air intake and improving the heat exchange energy.

In the panel assembly provided in the embodiment of the present invention, the auxiliary air inlets 2 may be provided in plural, and the movable plate 3 is also provided in plural, that is, plural sets of the auxiliary air inlets 2 and the movable plate 3 are correspondingly provided. The auxiliary air inlets 2 are provided with a plurality of air inlets, on one hand, the phenomenon that an overlarge opening structure is arranged on the panel 1 in a centralized mode can be avoided, the strength of the whole structure of the panel 1 is affected, on the other hand, air inlet volume can be controlled uniformly among the auxiliary air inlets 2, air inlet volume can also be controlled independently through each auxiliary air inlet 2, the implementation mode is flexible and various, and different design requirements are met.

As an alternative embodiment, as shown in fig. 1 to 9, the driving mechanism includes a motor 4 and a transmission shaft 5, and the motor 4 drives the movable plate 3 to move through the transmission shaft 5. The driving mechanism further comprises a gear 6 arranged on the transmission shaft 5 and a rack 7 arranged on the movable plate 3, and the gear 6 is meshed with the rack 7. The matching mode of the gear 6 and the rack 7 can realize splicing and meshing of structural parts, bear certain bearing capacity, run stably and ensure certain transmission precision and transmission efficiency. The gear 6 is coaxial with the transmission shaft 5, and can directly drive the transmission shaft 5 to rotate so as to drive the gear 6 to rotate. Preferably, the motor 4 in the driving mechanism is selected as a stepping motor, the stepping motor can convert an electric pulse signal into a corresponding angular displacement, when one pulse signal is input, a rotor of the stepping motor rotates by an angle, the output angular displacement is in direct proportion to the input pulse number, the rotating speed is in direct proportion to the pulse frequency, and the rotation angle of the gear 6 can be accurately controlled through the stepping motor, so that the movable displacement is accurately controlled. The panel 1 is provided with a mounting hole of the stepping motor, and the stepping motor can be fixed on the panel 1 through a screw

As shown in fig. 7, in the panel assembly, output shafts 401 are provided at opposite sides of the motor 4, two transmission shafts 5 are connected to each motor 4, and the two transmission shafts 5 are respectively connected to the output shafts 401 at both sides of the motor 4, so that the movement of the two movable plates 3 can be simultaneously controlled by one motor 4. Specifically, as shown in fig. 7 and 8, the end of the output shaft 401 of the motor 4 is formed with a first limiting part 402, one end of the transmission shaft 5 is formed with a second limiting part 501, the first limiting part 402 and the second limiting part are in spacing cooperation, as shown in the figure, the first limiting part 402 is a limiting shaft with a square structure, the second limiting part 501 is a limiting groove with a square structure, torque transmission between the motor 4 and the transmission shaft 5 can be realized through cooperation between the limiting shaft and the limiting groove, and assembly is facilitated, in addition, the limiting groove with a square structure is arranged at one end of the transmission shaft 5, and reverse installation of the transmission shaft 5 in the installation process can be avoided.

In order to limit the position movement of the movable plate 3, as shown in fig. 2 and 6, a sliding groove 9 is provided on the panel 1, and the movable plate 3 is in sliding fit with the sliding groove 9. The movable plate 3 is preferably a square plate structure, two side edges of the movable plate 3 are slidably fitted in the sliding groove 9, and the movable plate 3 can reciprocate along the sliding groove 9 under the driving action of the driving mechanism. The movable plate 3 is preferably an injection-molded part, which itself can be slightly deformed by pressing, so that during installation, one side of the movable plate 3 is first placed into the sliding groove 9 on the panel, and then the other side of the movable plate 3 is pressed to slightly arch the movable plate and be clamped into the clamping groove 9 on the other side. Specifically, as shown in fig. 2 and 6, a plurality of fixing seats 8 are formed on the panel 1, the sliding grooves 9 are formed on the fixing seats 8, each movable plate 3 is installed between two fixing seats 8, and the sliding grooves 9 on the two fixing seats 8 are arranged in a right-to-right manner. When controlling fly leaf 3 to remove through transmission shaft 5, gear 6 and rack 7, under the necessary circumstances, can set up on fixing base 8 and let a mouthful 10 and spacing hole 11, wherein let a mouthful 10 middle part position that is used for bearing transmission shaft 5, and make things convenient for the card of transmission shaft 5 to go into, spacing hole 11 supplies the tip of transmission shaft 5 to pass and carries out spacing cooperation for the location of transmission shaft depth of insertion, thereby realize that panel 1 supports actuating mechanism's whole.

The assembly process of the panel assembly according to the embodiment of the present invention is exemplified as follows. The specific structure of the panel assembly is shown in fig. 1, 2 and 6-9 of the present application. During assembly, the stepping motor is fixed on the back of the panel; then the movable plate is clamped between the two fixed seats, two sides of the movable plate are respectively clamped into the two sliding grooves, and the occlusal surface of the rack faces away from the panel; then the transmission shaft is installed, one end of the transmission shaft with a square structure limiting hole is clamped into a square structure limiting shaft of the stepping motor, the transmission shaft is pressed into a yielding port on the fixed seat at the middle position, then the transmission shaft is slightly bent, the other end of the transmission shaft is inserted into a limiting hole of the other fixed seat, and at the moment, the position of the movable plate is properly adjusted to enable the movable plate to be at the initial position. After the installation, when the fly leaf is in the state of withdrawing, the fly leaf is located the first position promptly, and the supplementary air intake 2 that the panel was reserved plays a role, and the increase of air inlet area can obviously be seen this moment, when the fly leaf is in the state of not withdrawing, the fly leaf is located the third position promptly, and the supplementary air intake 2 that the panel was reserved is sheltered from, and the air inlet structure of air conditioner this moment is the same with the air inlet structure of traditional air conditioner. Through the height adjustment of the movable plate, the size of the auxiliary air inlet 2 can be adjusted, so that the movable plate is located at the second position, and the air quantity is adjusted.

Specifically, the type of the motor 4, the size parameter of the transmission shaft 5, the sizes of the movable plate 3 and the auxiliary air inlet 2, and the materials of the structures in the panel assembly are adjusted according to the specific use environment, so as to achieve the above functions, and the technical personnel in the field can set the functions by themselves.

It should be noted that other configurations and operations of the panel assembly provided by the embodiments of the present invention are known to those skilled in the art, and reference may be made to related devices and structures in the prior art, which will not be described in detail herein.

The embodiment of the application also provides an air conditioner indoor unit which comprises the panel assembly provided by the embodiment of the invention. As shown in fig. 3-5, the indoor unit of an air conditioner includes a bottom casing, a panel body 12 and a panel assembly, wherein a first air inlet 13 is formed on the panel body 12, a second air inlet 14 is formed between the panel 1 and the panel body, the auxiliary air inlet 2 is formed on one side of the panel 1 close to the second air inlet 14, and the auxiliary air inlet 2 can be used in cooperation with the second air inlet 14 to increase or decrease the air inlet volume. The air inlet area of the cover plate auxiliary air inlet 2 is changed substantially equivalently by moving the movable plate 3 on the driving mechanism control panel 1, so that the air inlet area of the panel 1 and the second air inlet at the unclosed part of the panel body of the indoor unit of the air conditioner in the prior art is increased under the condition that the requirements of the air conditioner on heating and cooling are high under proper working conditions or customers, the air inlet position area at the unclosed part of the panel 1 and the panel body is increased, the air inlet amount is increased, the heat exchange capacity is improved, and the cooling and heating effects of the air conditioning system are further improved.

The air conditioner indoor unit further comprises an electrical box, and the electrical box can be used for controlling the driving mechanism. For example, when the driving mechanism includes a stepping motor, the stepping motor can be connected to a main board in the electrical box, and the number of rotation turns and the angle of the stepping motor are controlled by a program, so that the movable plate 3 is always in a state of being matched with the gear 6 on the transmission shaft 5, and the movable plate 3 cannot be separated from the transmission shaft 5 when being retracted or extended. In addition, the remote controller can send out an instruction to realize remote control of the electric appliance box, and the remote controller can trigger related commands through keys of the remote controller, so that whether the air inlet volume is increased or not can be freely selected, and the heat exchange capacity is improved.

The air conditioner indoor unit disclosed in the embodiment of the present application includes the panel assembly provided in the above embodiment, and therefore the air conditioner indoor unit having the panel assembly also has all the technical effects described above, and the details are not repeated herein. Other configurations and operations of the indoor unit of the air conditioner will be known to those skilled in the art and will not be described in detail herein.

Some embodiments in this specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A panel assembly, comprising:

the panel (1) is provided with an auxiliary air inlet (2);

the movable plate (3) is movably arranged at the auxiliary air inlet (2);

the driving mechanism is arranged on the panel (1) and is in driving connection with the movable plate (3), and the driving mechanism is used for driving the movable plate (3) to move so as to shield or avoid the auxiliary air inlet (2).

2. The panel unit according to claim 1, characterised in that the flap (3) has a first position completely clear of the secondary air intake (2), a second position partially blocking the secondary air intake (2) and a third position completely blocking the secondary air intake (2) during movement.

3. The panel unit according to claim 1, wherein the auxiliary air inlets (2) and the movable panel (3) are correspondingly provided with a plurality of sets.

4. The panel assembly according to claim 1, wherein the driving mechanism comprises a motor (4) and a transmission shaft (5), the motor (4) driving the movable plate (3) to move through the transmission shaft (5).

5. The panel (1) assembly according to claim 4, characterized in that the driving mechanism further comprises a gear (6) provided on the transmission shaft (5) and a rack (7) provided on the movable plate (3), the gear (6) being engaged with the rack (7).

6. The panel unit according to claim 4, characterized in that the motor (4) is provided with output shafts (401) on opposite sides, two transmission shafts (5) are connected to each motor (4), and the two transmission shafts (5) are respectively connected to the output shafts (401) on both sides of the motor (4).

7. The panel assembly according to claim 4, wherein a first limiting member (402) is formed at an end of the output shaft (401) of the motor (4), a second limiting member (501) is formed at one end of the transmission shaft (5), and the first limiting member (402) and the second limiting member are in limiting fit.

8. The panel assembly according to claim 1, characterized in that a sliding groove (9) is provided on the panel (1), the movable plate (3) being in sliding engagement with the sliding groove (9).

9. An indoor unit for an air conditioner, comprising the panel assembly according to any one of claims 1 to 8.

10. An indoor unit for an air conditioner according to claim 9, further comprising an electrical box for controlling the driving mechanism.