CN110906608B

CN110906608B - Air-cooled refrigerator

Info

Publication number: CN110906608B
Application number: CN201811082660.3A
Authority: CN
Inventors: 李春阳; 苗建林; 何胜涛; 王刚
Original assignee: Haier Smart Home Co Ltd
Current assignee: Haier Smart Home Co Ltd
Priority date: 2018-09-17
Filing date: 2018-09-17
Publication date: 2021-11-26
Anticipated expiration: 2038-09-17
Also published as: CN110906608A

Abstract

The invention provides an air-cooled refrigerator which comprises an air supply distributor and a controller. The air supply distributor comprises: the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with a plurality of air outlets arranged along the circumferential direction, and each air outlet is communicated with an air duct; the adjusting piece is provided with one or more shielding parts and is used for adjusting the shielding parts to shield the air outlet areas of the air outlets through rotation; the magnetic component is arranged on the adjusting piece; and a plurality of magnetic induction components which are fixed in the circumferential direction of the shell in an area opposite to the moving range of the magnetic component at intervals, and each magnetic induction component is triggered by the magnetic component at the position where the magnetic component rotates to be opposite to the magnetic component and outputs an indication signal. The controller determines the running state of the air supply distributor according to the indication signal received in the rotating process of the regulating part, thereby finding out abnormal running, avoiding the refrigeration problem caused by the freezing, blocking and other conditions of the moving part and greatly improving the running reliability of the refrigerator for intensively distributing cold air.

Description

Air-cooled refrigerator

Technical Field

The invention relates to the field of cold storage and frozen storage, in particular to an air-cooled refrigerator.

Background

For air-cooled refrigerators, the freshness-retaining properties of food are to a large extent dependent on the circulation of the air flow in the storage compartment of the air-cooled refrigerator and the temperature differences between the various parts of the refrigerator. The air flow in the refrigerator is reasonable in circulation, and the smaller the temperature difference is, the better the preservation performance of the refrigerator is.

In most of the air-cooled refrigerators, the evaporator is disposed in a single accommodating chamber, and the accommodating chamber of the evaporator is communicated with each storage region by a complex air duct system, so that the existing air duct system has a complex structure and occupies a large space.

In order to solve this problem, an air-cooled refrigerator has been proposed in the related art in which cool air is distributed in a concentrated manner by an air supply distribution device. The air-cooled refrigerator adjusts the shielding area of the air duct through the moving parts, so that the air output of each storage area is controlled, however, the moving parts have the problems of freezing, blocking and the like in the long-term operation process, so that the operation is not in place, the failure is easy to occur, and the refrigeration reliability of the refrigerator is reduced.

Disclosure of Invention

The invention aims to overcome at least one defect of the existing air-cooled refrigerator and provides an air-cooled refrigerator with high operation reliability.

In particular, the present invention provides an air-cooled refrigerator that includes an air supply dispenser for dispensing cool air to air ducts leading to respective storage areas of the air-cooled refrigerator, and a controller. The air supply distributor comprises: the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with a plurality of air outlets arranged along the circumferential direction, and each air outlet is communicated with an air duct; the air supply fan is arranged in the shell and is configured to supply air to the air outlets; the adjusting piece is provided with one or more shielding parts arranged between the air supply fan and the shell and is configured to be controlled to rotate along the circumferential direction of the shell so as to adjust the air outlet area of the shielding parts for shielding the air outlets; the magnetic component is arranged on the adjusting piece; and a plurality of magnetic induction components which are fixed in the circumferential direction of the shell in an area opposite to the moving range of the magnetic component at intervals, wherein each magnetic induction component is respectively configured to be triggered by the magnetic component when the magnetic component rotates to the position opposite to the magnetic component and output an indication signal.

And the controller is respectively connected with the plurality of magnetic induction components and is configured to determine the operation state of the air supply distributor according to the indication signals received in the rotating process of the regulating member.

Optionally, the air-cooled refrigerator further comprises: the refrigerator comprises a box body, a storage space and a storage device, wherein the storage space is limited in the box body and is divided into a plurality of storage areas; the air channel assembly is arranged at the rear side of the storage space and is limited with an airflow distribution cavity and an air channel; the air supply distributor is arranged in the airflow distribution cavity; and is

A controller further configured to: and driving the adjusting piece to rotate in a test mode, and determining the running state of the air supply distributor according to the indicating signal obtained in the test rotation process.

Optionally, the shield portion is configured such that the plurality of air outlets are completely shielded, partially shielded, or completely open during rotation with the adjuster; and the plurality of magnetically inductive components include at least: the air conditioner further comprises a first magnetic induction component which is opposite to the magnetic component when the adjusting piece is adjusted to be in a first state of completely shielding the air outlets, and a second magnetic induction component which is opposite to the magnetic component when the adjusting piece is adjusted to be in a second state of completely opening the air outlets.

Optionally, the supply air distributor further comprises a rotary drive mechanism for rotating the conditioning member, and the controller, when testing the conditioning member, is further configured to: and providing a test control signal for driving the adjusting piece to test and rotate for the rotary driving mechanism.

Optionally, the rotary drive mechanism comprises: the turntable part is fixedly connected with the adjusting part, and a gear ring is arranged on the periphery of the turntable part; a gear transmission part which is arranged at the radial outer side of the turntable part and is provided with a transmission gear meshed with the gear ring; and the motor is connected with the gear transmission part and is used for driving the gear transmission part to rotate under the control of the controller.

Optionally, the controller, when testing the conditioner, is further configured to: controlling the rotary driving mechanism to enable the adjusting piece to rotate to a second state in a direction that the plurality of air outlets are completely opened; then controlling the rotary driving mechanism to enable the adjusting piece to rotate to a first state towards the direction that the air outlets are completely shielded; the controller determines the operating state of the regulating member based on the indication signal and is further configured to: and if any indication signal is not received, determining that the operating state of the regulating part is abnormal.

Optionally, after determining that the operating condition of the regulating member is abnormal, the controller is further configured to: and repeatedly executing the steps of driving the regulating piece to test and rotate and judging the running state of the regulating piece until the running state of the regulating piece is determined to be normal, or repeatedly executing the steps for times exceeding a set threshold value, and generating an alarm prompt signal under the condition that the times exceed the set threshold value.

Optionally, the motor is a stepping motor, and the controller is further configured to correct the step control parameter of the motor according to a number of steps of the motor between the indication signal of the second magnetism sensing member and the indication signal of the first magnetism sensing member.

Optionally, the controller, prior to rotating the regulating member in a direction to fully open the plurality of outlet vents, is further configured to: and detecting an indication signal of the first magnetic induction component, and if the indication signal is not detected, controlling the rotary driving mechanism to enable the adjusting piece to rotate to a first state in a direction of completely shielding the plurality of air outlets.

Optionally, the controller is further configured to test the regulating member after any one of the following triggering events is acquired: receiving a starting signal of a refrigerating system of the air-cooled refrigerator; and after the refrigerating time of the air-cooled refrigerator exceeds the set time.

The air-cooled refrigerator of the invention utilizes the air supply distributor to intensively supply cold air, and utilizes the adjusting piece to controllably shield the air outlets so as to realize the selection of the opening and closing of the air channels and the adjustment of the air outlet quantity of each air channel, thereby reasonably distributing the cold air according to the cold quantity requirements of different storage areas and enhancing the fresh-keeping performance and the operating efficiency of the air-cooled refrigerator under the condition of saving the occupied space as much as possible.

Furthermore, the air-cooled refrigerator provided by the invention utilizes the plurality of magnetic induction components to respectively induce the magnetic components arranged on the regulating part, and after the magnetic components reach the positions opposite to the magnetic induction components, the magnetic induction components are triggered to output corresponding indication signals, so that the controller can determine the positions of the regulating parts according to the indication signals, further judge the running state of the regulating parts, find running abnormity in time, avoid the refrigeration problem caused by freezing, clamping and the like of the moving components, and greatly improve the running reliability of the air-cooled refrigerator for intensively distributing cold air.

Further, the air-cooled refrigerator of the present invention is innovatively designed for the arrangement positions of the magnetic induction member and the magnetic member such that the arrangement position of the magnetic member is set to be opposite to the first magnetic induction member in a first state where the shielding portion is adjusted to completely shield the plurality of air outlets, and to be opposite to the second magnetic member in a second state where the shielding portion is adjusted to completely open the plurality of air outlets; that is to say, first magnetism is felt the part and is used for sensing the regulating part and shields the first state of a plurality of air outlets completely, and second magnetism is felt the part and is used for sensing the regulating part and opens the second state of a plurality of air outlets completely, and the controller is through the detection to first magnetism to feel the part and the second magnetism to feel the part, can confirm the state of air supply distributor accurately, in time discovers unusually.

Furthermore, the air-cooled refrigerator of the invention can correct the motor control parameter of the rotary driving mechanism by the indication signal of the first magnetic induction component and the second magnetic induction component by the controller, thereby avoiding the movement deviation of the rotary driving mechanism.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic view of the interior of the cabinet of an air-cooled refrigerator according to one embodiment of the present invention;

fig. 2 is a schematic structural view of a supply air distributor in an air-cooled refrigerator according to an embodiment of the present invention;

FIG. 3 is an exploded view of the supply air distributor shown in FIG. 2;

fig. 4 is a diagram showing the arrangement position of magnetic induction parts in the air supply distributor in the air-cooled refrigerator according to one embodiment of the present invention;

fig. 5 is a schematic block diagram of a control part in an air-cooled refrigerator according to one embodiment of the present invention;

FIG. 6 is a schematic view of the steps of a controller performing a test rotation in an air-cooled refrigerator according to one embodiment of the present invention; and

fig. 7 is a flowchart of a controller performing a test rotation in an air-cooled refrigerator according to an embodiment of the present invention.

Detailed Description

Fig. 1 is a schematic view of the inside of a cabinet 100 of an air-cooled refrigerator 10 according to one embodiment of the present invention. The air-cooled refrigerator 10 according to an embodiment of the present invention may have a cabinet 100, a supply air distributor 300, an air duct assembly 200, and a refrigerating system.

The case 100 may have a storage space therein, which is divided into a plurality of storage areas. The rear side of the storage space can be provided with an air duct assembly 200 and a refrigeration cavity, and the refrigeration system can be a compression type refrigeration system and is provided with an evaporator arranged in the refrigeration cavity. The refrigeration system may also be other types of refrigeration systems, such as a semiconductor refrigeration system, for example, a cold side heat exchanger with a semiconductor refrigeration system disposed within a refrigeration cavity, as is known to those skilled in the art.

The plurality of storage regions may include a first storage region 110 and a second storage region 130 disposed below the first storage region 110. In some embodiments of the present invention, the first storage region 110 may be a refrigerating compartment and the second storage region 130 may be a freezing compartment. A temperature-changing space 120 may also be provided between the refrigerating compartment and the freezing compartment.

The duct assembly 200 is mounted to the rear of the cabinet 100, for example, the rear side of the duct assembly 200 arranges the refrigeration chamber, and the front side of the duct assembly 200 is preferably the second storage area 130. The duct assembly 200 has an airflow distribution chamber for accommodating the air distributor 300 therein, and ducts leading to the plurality of storage areas, which supply air to the storage areas through air supply ports leading to the storage areas.

Fig. 2 is a schematic structural view of a supply air distributor 300 in the air-cooled refrigerator 10 according to an embodiment of the present invention, and fig. 3 is an exploded view of the supply air distributor 300 shown in fig. 2.

The supply air distributor 300 includes a housing 20 and a regulating member 30. The housing 20 may have at least one inlet 21 and a plurality of outlets 22 such that airflow enters the housing 20 through the at least one inlet 21 and exits the housing 20 through the plurality of outlets 22. A plurality of air outlets 22 are arranged along the circumference of the housing 20, and each air outlet 22 is used for communicating with one air duct.

Disposed within the housing 20 is a supply air fan 60, the supply air fan 60 configured to induce an airflow from the intake vent 21 into the housing 20 and out of the housing 20 via one or more of the plurality of exhaust vents 22. The air supply fan 60 may be a centrifugal impeller, and is disposed in the casing 20, and the air supply distributor 300 has a compact structure, occupies a small space, and increases the amount of air supplied.

The adjusting member 30 has one or more shielding portions 32 disposed between the air supply fan 60 and the housing 20, and the adjusting member 30 is configured to be controlled to rotate along the circumferential direction of the housing 20 to adjust the air outlet area of the shielding portion 32 shielding the air outlets 22, so as to change the air supply areas of the air ducts and adjust the air supply amount accordingly. For example, the adjusting member 30 may be configured to be controlled to completely shield, partially shield or completely open the air outlets 22, so as to adjust the air outlet area of each of the air outlets 22. For example, the adjustment member 30 may allow each outlet vent 22 to be fully concealed, partially concealed, or fully opened at different locations.

The adjusting member 30 of the air supply distributor 300 in the embodiment of the present invention can controllably distribute the cool air flowing from the air inlet 21 to the plurality of air outlets 22, and can control opening and closing of the air outlet duct communicated with each air outlet 22 and/or adjust the air outlet volume in each air outlet duct, thereby meeting the cooling capacity requirements of different storage areas.

In some embodiments of the present invention, the housing 20 of the supply air distributor 300 may include a base 23 and a perimeter wall 24. The circumferential edge of the base 23 consists of a first edge section and a second edge section, preferably in the shape of a circular arc. The peripheral wall 24 has first and second

peripheral wall sections

241, 242 extending from the first and second edge sections, respectively, to one side of the base 23. The first peripheral wall section 241 may have a plurality of air outlets 22 formed thereon. In some embodiments, the first peripheral wall section 241 is a complete circular arc-shaped peripheral wall section, on which a plurality of air outlets 22 are opened, and each air outlet 22 may have an opening edge. In some embodiments, the first perimeter wall segment 241 may include at least 3 circular arc shaped perimeter wall segments, and a space between two circular arc shaped perimeter wall segments. The interval between every two circular arc-shaped peripheral wall sections is an air outlet 22. During machining, each circular arc-shaped peripheral wall segment may extend from a plurality of positions of the first edge segment of the base 23 to one side of the base 23. Further, the second edge section is also preferably designed in a circular arc shape concentric with the first edge section, so that the first peripheral wall section 241 and the second peripheral wall section 242 are on the same cylindrical peripheral wall, i.e. the first peripheral wall section 241 is coaxial with the second peripheral wall section 242.

In some embodiments of the present invention, the inner surface of the base 23 is further formed with a mounting recess 28, and the blower fan 60 is mounted to the mounting recess 28. For example, the supply fan 60 may be mounted to the inner surface of the mounting cavity 28. The base 23 may be ring-shaped to allow the supply fan 60 to extend into the housing 20 from a central ring-shaped aperture defined by the base 23 when the supply fan 60 and the base 23 are mounted to the remaining components of the air-cooled refrigerator 10, respectively.

In some embodiments of the present invention, the housing 20 further comprises a dispenser cover 25, which is disposed at an end of the first peripheral wall section 241 remote from the base 23 to define with the base 23, the peripheral wall 24 an air outlet space, i.e. the interior space of the housing 20. To facilitate mounting of dispenser cover 25, housing 20 may further include a plurality of snap arms 26 extending from a plurality of locations on the edge of dispenser cover 25, respectively, toward base 23, each snap arm 26 having a snap groove or protrusion formed on an inner surface thereof. A plurality of protrusions 27, or a plurality of catching grooves, respectively, are formed on the outer surface of the first peripheral wall section 241 to be engaged with each catching groove, respectively, so that the dispenser cover 25 is caught to the base 23. The dispenser cover 25 may be formed with at least one intake vent 21.

The shielding portions 32 of the adjuster 30 may be provided at intervals in the circumferential direction of the base 23. At least part of the surface of the shield 32 facing the peripheral wall 24 is arranged coaxially with the first peripheral wall section 241. The adjustment member 30 is rotatably mounted to the housing 20 about the axis of the first peripheral wall section 241 for controlled movement of the one or more shutters 32 to positions that fully obscure, partially obscure, or fully open each outlet vent 22 when rotated to different rotational positions. The shield 32 can be a curved shield, the outer surface of which can be sealingly attached to the inner surface of the first peripheral wall section 241 at all times when the adjuster 30 is rotated about the axis of the first peripheral wall section 241, so that the curved shield can controllably open or close the one or more outlet openings 22 at different rotational positions.

In some embodiments, the number of the outlets 22 is three, and the outlets are sequentially spaced in the circumferential direction of the base 23. The three outlets 22 include a first outlet 221, a second outlet 222, and a third outlet 223, which are sequentially spaced along a circumferential direction of the base 23 and along a counterclockwise direction. The shielding portions 32 are sequentially spaced along the circumferential direction of the base 23 and along the counterclockwise direction to correspond to the first outlet 221, the second outlet 222, and the third outlet 223.

The supply air distributor 300 further includes a rotary drive mechanism 430, and the rotary drive mechanism 430 includes: turntable 31, gear transmission 50, motor 40. Wherein the turntable part 31 is fixedly connected with the adjusting piece 30, for example, each shielding part 32 extends from one surface of the turntable part 31. The turntable part 31 may be disk-shaped or ring-shaped, and a ring gear 52 is provided on the outer periphery of the turntable part 31.

The motor 40 may be disposed radially outward of the turntable portion 31. The gear transmission portion 50 is configured to decelerate transmission of the rotational motion output from the motor 40 to the adjuster 30. The gear transmission 50 may include a gear 51, and the gear 51 may be mounted on an output shaft of the motor 40. The ring gear 52 may be formed integrally with the turntable portion 31 or may be separate and fixed to the turntable portion 31. For example, the ring gear 52 includes an annular rib extending from the other surface of the turntable portion 31 coaxially with the turntable portion 31, and a plurality of teeth extending outward from an outer peripheral surface of the annular rib and arranged at intervals in a circumferential direction of the annular rib. In some embodiments, the inner surface of the base 23 is formed with an annular groove 231, and the ring gear 52 is mounted in the annular groove 231 to smooth the movement of the adjuster 30.

In order to protect the motor 40, the housing 20 further includes a motor accommodating portion 29 provided on an outer surface of the first peripheral wall section 241 and/or the second peripheral wall section 242, and defining an accommodating chamber for accommodating the gear 51 and the motor 40 therein. The motor housing 29 may include a cavity 291 extending outwardly from an outer surface of the first peripheral wall 241, and a cover 292 removably mounted to the cavity.

The air supply distributor 300 is disposed in the air flow distribution chamber, and is arranged such that the rotation axis of the adjuster 30 is along the front-rear direction of the air-cooled refrigerator 10, and the plurality of air outlets 22 of the adjuster 30 can be supplied into the respective storage areas of the refrigerator 10 through different air paths of the air path assembly 200, and the air volume of each storage area is adjusted by the adjuster 30.

The adjusting member 30 is further provided with a magnetic member 410, the magnetic member 410 can be disposed in the adjusting member 30 at the interval between the shielding portions 32, and the magnetic member 410 can be disposed adjacent to the inner side or the outer side of the shielding portion 32 and can rotate correspondingly with the rotation of the adjusting member 30.

Fig. 4 is a diagram showing the arrangement position of the magnetic induction members 420 in the air supply distributor 300 in the air-cooled refrigerator 10 according to one embodiment of the present invention, a plurality of

magnetic induction members

421 and 422 may be fixed at intervals in the outer periphery of the casing 20 in the region opposite to the moving range of the magnetic member 410, each of which is configured to be triggered by the magnetic member 410 and output an indication signal at the position opposite thereto when the magnetic member 410 rotates; the

magnetic sensing units

421 and 422 may be magnetic sensitive switches, and in a normal state where the magnetic unit 410 is not opposed thereto, the

magnetic sensing units

421 and 422 output a high level signal, and when the magnetic unit 410 rotates to a set position opposed thereto, the

magnetic sensing units

421 and 422 output a low level signal, so that the low level signal may be used as the indication signal. Therefore, the

magnetic induction members

421 and 422 can be disposed at the circumferential position of the housing 20 according to the set position of the magnetic member 410.

The magnetic induction members may be at least two, and for example, include a first magnetic induction member 421 facing the magnetic member 410 when the adjuster 30 is adjusted to a first state of completely shielding the plurality of air outlets 22, and a second magnetic induction member 422 facing the magnetic member 410 when the adjuster 30 is adjusted to a second state of completely opening the plurality of air outlets 22. That is, the first magnetic induction member 421 may output an indication signal in a first state of completely shielding the plurality of air outlets 22, and the second magnetic induction member 422 may output an indication signal in a second state of completely opening the plurality of air outlets 22.

Fig. 5 is a schematic block diagram of a control portion of the air-cooled refrigerator 10 according to an embodiment of the present invention, wherein the controller 400 of the air-cooled refrigerator 10 is connected to the plurality of

magnetic induction members

421 and 422 and the air supply distributor 300, respectively, and is configured to determine an operation state of the air supply distributor 300 according to an indication signal received during rotation of the adjusting member 30, for example, when receiving the indication signal of the first magnetic induction member 421, the adjusting member 30 is determined to be adjusted to completely shield the plurality of air outlets 22, and when receiving the indication signal of the second magnetic induction member 422, the adjusting member 30 is determined to be adjusted to completely open the plurality of air outlets 22. The controller 400 may correspond the indication signal with a control signal transmitted to the supply air distributor 300 to determine whether the supply air distributor 300 is rotated according to the control signal and determine an operation state of the supply air distributor 300.

The controller 400 may use a main control chip of a main control board of the air-cooled refrigerator 10 or other special controllers, and in addition, the controller 400 may also include a plurality of groups of control devices to realize the functions thereof together.

The controller 400 may drive the adjusting member 30 to perform test rotation in addition to determining whether the air supply distributor 300 is in place during the adjustment phase, and determine the operation state of the air supply distributor 300 according to the indication signal obtained during the test rotation. The controller 400 may provide a test control signal for driving the adjusting member 30 to perform a test rotation to the rotation driving mechanism 430 when testing the adjusting member 30.

Fig. 6 is a schematic diagram illustrating the steps of the controller 400 performing the test rotation in the air-cooled refrigerator 10 according to an embodiment of the present invention, wherein the controller 400 may perform the following steps:

step S602, driving the adjusting member 30 to perform test rotation;

step S604, receiving the indication signals of the plurality of

magnetic induction units

421 and 422 output by the operation in place;

and step S606, judging the running state of the regulating member 30 according to the indication signal.

The controller 400 may drive the conditioning member 30 for test rotation by sending a drive command to the motor 40, for example: and outputting a test driving instruction to drive the adjusting piece 30 to complete at least one periodic rotation process of the shielding part 32 from completely shielding the plurality of air outlets 22 to completely opening the plurality of air outlets 22 and then returning to a state of completely shielding the plurality of air outlets 22. That is, a complete test rotation process is: the rotation driving mechanism 430 rotates the adjuster 30 to a second state in a direction in which the plurality of outlets 22 are completely opened; then, the rotation driving mechanism 430 is controlled to rotate the adjuster 30 to the first state in the direction in which the outlets 22 are completely shielded.

The controller 400 is further configured to, before rotating the adjuster 30 in a direction to fully open the plurality of outlets 22: the instruction signal of the first magnetism sensing member 421 is detected, and if not detected, the rotation driving mechanism 430 is controlled to rotate the adjuster 30 to the first state in the direction in which the plurality of outlets 22 are completely shielded.

The process of the controller 400 judging the operation state of the regulating member 30 may be: if the indication signal of the second magnetic induction component 422 and the indication signal of the first magnetic induction component 421 are received in sequence during the test rotation process, and if any one of the indication signals is not received, it is determined that the operating state of the adjusting member 30 is abnormal. That is, when the adjuster 30 is normal, and the rotation driving mechanism 430 rotates the adjuster 30 to the second state in the direction in which the plurality of outlets 22 are completely opened, the magnetic member 410 faces the second magnetic induction member 422, and the controller 400 receives an instruction signal of the second magnetic induction member 422; when the rotation driving mechanism 430 rotates the adjuster 30 to the first state in the direction in which the plurality of outlets 22 are completely shielded, the magnetic member 410 faces the first magnetic induction member 421, and the controller 400 receives an instruction signal from the first magnetic induction member 421. If it is determined that the rotation process of the first state and the second state cannot be normally completed by the adjusting member 30 in the case where the indication signal of any one of the first magnetic induction means 421 and the second magnetic induction means 422 is not received by the controller 400.

In addition, the controller 400 may first confirm the initial position of the adjuster 30 by the indication signal of the first magnetic sensing member 421 at the initial time, and if the initial position is not detected, control the rotation driving mechanism 430 to rotate the adjuster 30 to the first state in the direction in which the plurality of outlets 22 are completely shielded. If the adjusting member 30 is not rotated to the first state all the time, the adjusting member 30 can be restored through a plurality of reciprocating rotations, and if the adjusting member is not restored, an alarm prompt signal needs to be generated.

After the controller 400 determines that the operating state of the adjusting member 30 is abnormal, the steps of driving the adjusting member 30 to perform test rotation and determining the operating state of the adjusting member 30 may be repeatedly performed until it is determined that the operating state of the adjusting member 30 is normal or the number of times of repeated execution exceeds a set threshold. That is, the controller 400 can restore the normal operation of the adjusting member 30 by operating the rotation driving mechanism 430 a plurality of times, and in the case where the object caught in the air supply distributor 300 is small or the amount of frost is small, the failure restoration can be performed in this manner (after restoration to the normal state, it can be confirmed once by the test rotation). If the controller 400 repeatedly executes for times exceeding the set threshold value and still determines that the adjusting member 30 cannot recover the normal operation, it may be determined that the fault cannot be recovered by the continuous operation, and an alarm prompt signal may be generated to prompt the user to intervene.

The controller 400 is further configured to drive the conditioning piece 30 for a test rotation upon acquisition of any one of the following triggering events:

receiving a starting signal of a refrigerating system of the air-cooled refrigerator 10, for example, before the air-cooled refrigerator 10 starts refrigerating each time, firstly determining whether the function of the air supply distributor 300 is normal, and avoiding that the refrigerating of the air-cooled refrigerator 10 can not meet the user requirement due to the fault in the refrigerating process;

receiving a defrosting completion signal of the evaporator of the air-cooled refrigerator 10, since the humidity of the air duct assembly 200 is relatively high after defrosting, the condition that the air supply distributor 300 is frozen easily occurs, and thus, the state of the air supply distributor 300 can be determined through testing after the evaporator defrosting is completed.

After the cooling time of the air-cooled refrigerator 10 exceeds a set time, for example, after the air-cooled refrigerator 10 continuously runs for more than two hours (the specific time here is an example, and the actual implementation can be flexibly configured), a test process is performed to avoid freezing due to continuous cooling.

In the case where the motor 40 uses a stepping motor, the controller 400 may be further configured to correct the stepping control parameter of the motor 40 according to the instruction signal. For example, the number of motor steps from the indication signal received from the first magnetic sensing component 421 to the indication signal received from the second magnetic sensing component 421 in the rotation process is counted again, and the step control parameter of the motor is corrected according to the number of motor steps between the indication signal of the second magnetic sensing component and the indication signal of the first magnetic sensing component, so that the step change caused by long-term operation is avoided, the movement of the air supply distributor 300 is more accurate, and the requirement of accurate air supply is met.

The initial state of the adjusting member 30 may be the first state or the second state, and in this embodiment, a test rotation process of rotating from the first state to the second state and then returning to the first state is taken as an example for description, and a person skilled in the art should be able to correspondingly obtain a test rotation process of rotating from the second state to the first state and then returning to the second state.

Fig. 7 is a flowchart of a test rotation performed by the controller 400 in the air-cooled refrigerator according to an embodiment of the present invention, and the controller 400 may perform the following steps:

step S702, detecting a trigger event for testing, wherein the trigger event can be a starting signal of a refrigeration system of the air-cooled refrigerator 10 and a defrosting completion signal of an evaporator of the air-cooled refrigerator 10, and the refrigeration time of the air-cooled refrigerator 10 exceeds a set time length;

step S704, detecting whether an indication signal of the first magnetic induction component 421 is received, that is, determining whether the adjusting component 30 is in a first state of completely shielding the plurality of air outlets 22;

in step S706, if the indication signal of the first magnetic induction means 421 is not received, the adjusting member 30 is driven to rotate in a direction to completely shield the air outlets 22, that is, the adjusting member 30 is reset to the first state of completely shielding the plurality of air outlets 22. In the case where the adjustment member 30 cannot be reset, the adjustment member 30 may be driven to reciprocate, and if the adjustment member 30 is not reset a plurality of times, it is determined that the movement of the blast distributor 300 is abnormal.

Step S708, when receiving the indication signal of the first magnetic induction means 421, driving the adjuster 30 to start test rotation, and rotating in a direction to fully open the outlet 22;

step S710, determining whether the indication signal of the second magnetic induction component 422 is received, that is, determining whether the adjusting element 30 reaches the second state of completely opening the plurality of air outlets 22, if the indication signal of the second magnetic induction component 422 is not received, re-driving the adjusting element 30 to rotate in the direction of completely shielding the air outlets 22, repeating the process of driving the test rotation, and recording the number of repetitions.

Step S712, if the indication signal of the second magnetic induction member 422 is received, the adjusting member 30 is driven to start the test rotation, and the test rotation is performed in a direction to completely close the air outlet 22;

step S714, detecting whether the indication signal of the first magnetic induction component 421 is received, that is, determining whether the adjusting component 30 returns to the first state of completely shielding the plurality of air outlets 22;

step S716, if the indication signal of the first magnetic induction component 421 is received again, determining that the air supply distributor 300 is normal, and executing the subsequent control flow; the subsequent flow may include: resetting the position of the adjusting member 30 (for example, returning to the fully open position of the air outlet 22), starting refrigeration, adjusting air volume, and the like;

step S720, if the indication signal of the second magnetic induction component 422 is not received, the driving adjustment component 30 returns to the first state, the process of driving the test rotation is repeated, and the number of repetitions is recorded;

in step S722, it is determined whether the retest exceeds a set threshold, which may be flexibly configured, for example, 5 times, and if the number exceeds the set threshold, it is determined that the automatic failure recovery cannot be achieved by the movement of the air supply distributor 30.

In step S724, if the number of repetitions exceeds the set threshold and the indication signal is not correctly detected, it is determined that the movement of the air supply distributor 300 is abnormal, and a failure processing procedure is performed. The fault handling procedure may be to activate the supply air distributor 300 to defrost (e.g., turn on the heating wires of the supply air distributor 300), or to generate an alarm prompt signal to prompt a user to intervene.

With the above process, partial failure is automatically recovered by the test rotation of the adjusting member 30, and the reliability of use of the air supply distributor 300 is improved.

The air-cooled refrigerator 10 of this embodiment utilizes air supply distributor 30 to concentrate the air supply to cold wind, utilizes regulating part 20 to shield a plurality of air outlets 22 in a controllable way to realize the selection of the opening and closing of wind channel and the regulation of each wind channel air-out amount of wind, thereby can be according to the cold volume demand of different storage district, rationally distribute cold wind, under the condition of saving occupation space as far as possible, reinforcing air-cooled refrigerator 10's freshness preservation performance and operating efficiency. Further, the air-cooled refrigerator 10 of the embodiment utilizes the

magnetic induction components

421 and 422 to induce the magnetic component 410 arranged on the adjusting member, and outputs the indication signal of the in-place operation after the magnetic component 410 reaches the set position, so that the controller 400 can judge the operation state of the adjusting member 30 according to the indication signal, find out the abnormal operation in time, avoid the refrigeration problem caused by the freezing and blocking of the moving components, and greatly improve the operation reliability of the air-cooled refrigerator for intensively distributing cold air.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. An air-cooled refrigerator comprising:

an air supply distributor for distributing cool air to air ducts leading to respective storage areas of the air-cooled refrigerator, comprising:

the shell is provided with a plurality of air outlets arranged along the circumferential direction, and each air outlet is used for being communicated with one air duct;

the air supply fan is arranged in the shell and is configured to supply air to the air outlets;

the adjusting piece is provided with one or more shielding parts arranged between the air supply fan and the shell and is configured to be controlled to rotate along the circumferential direction of the shell so as to adjust the air outlet area of the shielding parts for shielding the air outlets;

the magnetic component is arranged on the adjusting piece;

a plurality of magnetic induction components which are fixed in the circumferential direction of the shell in an area opposite to the moving range of the magnetic component at intervals, wherein each magnetic induction component is respectively configured to be triggered by the magnetic component when the magnetic component rotates to a position opposite to the magnetic component and output an indication signal;

the controller is respectively connected with the magnetic induction components and is configured to determine the running state of the air supply distributor according to the indication signals received in the rotating process of the regulating part;

the shielding portion is configured to cause the plurality of air outlets to be completely shielded, partially shielded, or completely opened during rotation with the adjusting member; and is

The plurality of magnetic induction members include at least: a first magnetism sensing member that opposes the magnetic member when the adjusting member is adjusted to a first state in which the plurality of air outlets are completely shielded, and a second magnetism sensing member that opposes the magnetic member when the adjusting member is adjusted to a second state in which the plurality of air outlets are completely opened;

the air supply distributor also comprises a rotary driving mechanism for driving the adjusting piece to rotate;

the controller, further configured to: driving the adjusting piece to rotate in a test mode, and determining the running state of the air supply distributor according to the indicating signal obtained in the test rotation process;

the controller, when testing the conditioning piece, is further configured to: controlling the rotary driving mechanism to enable the adjusting piece to rotate to the second state in the direction that the air outlets are completely opened; then, the rotating driving mechanism is controlled to enable the adjusting piece to rotate to the first state in the direction that the air outlets are completely shielded;

the controller determining the operating state of the conditioning element from the indicator signal is further configured to: whether an indication signal of the second magnetic induction component and an indication signal of the first magnetic induction component are received in sequence in the test rotation process or not is judged, and if any indication signal is not received, the abnormal operation state of the regulating part is determined;

the controller, prior to rotating the regulating member in a direction to fully open the plurality of outlet ports, is further configured to:

and detecting an indication signal of the first magnetic induction member, and if the indication signal is not detected, controlling the rotation driving mechanism to rotate the adjusting member to the first state in a direction in which the plurality of air outlets are completely shielded.

2. The air-cooled refrigerator of claim 1, further comprising:

the refrigerator comprises a box body, a storage space and a storage space, wherein the storage space is limited and is divided into a plurality of storage areas;

the air duct assembly is arranged at the rear side of the storage space and is limited with an airflow distribution cavity and the air duct;

and the air supply distributor is arranged in the airflow distribution cavity.

3. The air-cooled refrigerator of claim 2, wherein the air-cooled refrigerator is a refrigerator that uses air as a refrigerant

The controller, when testing the conditioning piece, is further configured to: and providing a test control signal for driving the adjusting piece to test and rotate for the rotary driving mechanism.

4. The air-cooled refrigerator of claim 3 wherein the rotary drive mechanism comprises:

the turntable part is fixedly connected with the adjusting part, and a gear ring is arranged on the periphery of the turntable part;

a gear transmission section provided radially outside the turntable section and having a transmission gear meshing with the ring gear; and

and the motor is connected with the gear transmission part and is used for driving the gear transmission part to rotate under the control of the controller.

5. The air-cooled refrigerator of claim 4, wherein the air-cooled refrigerator is a refrigerator

The controller, upon determining that the conditioning element operating condition is abnormal, is further configured to: and repeatedly executing the steps of driving the regulating piece to test and rotate and judging the running state of the regulating piece until the running state of the regulating piece is determined to be normal, or repeatedly executing the steps for times exceeding a set threshold value, and generating an alarm prompt signal under the condition that the times exceed the set threshold value.

6. The air-cooled refrigerator of claim 4, wherein the air-cooled refrigerator is a refrigerator

The motor is a stepping motor, and

the controller is further configured to correct the step control parameter of the motor according to the number of motor steps between the indication signal of the second magnetism sensing part and the indication signal of the first magnetism sensing part.

7. The air-cooled refrigerator of claim 1, wherein the air-cooled refrigerator is a refrigerator that uses air as a cooling medium

The controller is further configured to test the conditioning piece upon acquisition of any one of the following triggering events:

receiving a starting signal of a refrigerating system of the air-cooled refrigerator; and

and after the refrigerating time of the air-cooled refrigerator exceeds a set time.