CN114923309A

CN114923309A - Rotary control device and refrigerator with same

Info

Publication number: CN114923309A
Application number: CN202210399857.XA
Authority: CN
Inventors: 杨伟
Original assignee: Hubei Midea Refrigerator Co Ltd
Current assignee: Hubei Midea Refrigerator Co Ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-19

Abstract

The invention discloses a rotation control device and a refrigerator with the same. The rotary control device comprises a circuit board, a lighting lamp, an encoder and a knob. The illuminating lamp is arranged on the circuit board. The encoder is annular, establishes on the circuit board, encircles the light setting. The knob is rotationally fitted on the encoder. According to the rotary control device provided by the embodiment of the invention, the rotary control module and the illumination module are integrated into a whole, so that the rotation control and adjustment can be realized while illumination is obtained. The function of the rotary control device is not single any more, and the requirements of users for more diversification can be met on the premise of not increasing the cost. The rotary control device has the advantages of small occupied size, convenience in installation, strong protection effect on a circuit board and a lighting lamp, strong rotation supporting effect on the rotary knob and contribution to prolonging the service life.

Description

Rotary control device and refrigerator with same

Technical Field

The invention relates to the technical field of rotary control devices, in particular to a rotary control device and a refrigerator with the same.

Background

In general household appliances, a knob may be provided for adjustment control, but the knob generally has a single function. Taking a refrigerator as an example, a temperature control knob is arranged on the refrigerator to adjust the temperature of a compartment of the refrigerator. The temperature control knob can be arranged inside the refrigerator or outside the refrigerator. When the refrigerator is arranged outside the refrigerator, the refrigerator is mostly arranged on the door body, and when the refrigerator is arranged inside the refrigerator, the refrigerator is mostly arranged on the top of the compartment. Besides the temperature control knob which is a necessary component, the refrigerator is also provided with an illuminating lamp generally. The illumination lamp and the temperature control knob are usually provided separately.

One solution has been to combine the temperature control knob with the lamp, in one assembly, and mounted on top of the compartment. This solution makes the assembly bulky, increases the sealed installation difficulty of compartment. Also in other household appliances, if the assembly of the knob and the illumination lamp is too large, it is difficult to accommodate it in a small space.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a rotary control device, which effectively controls the volume of the rotary control device after a knob is combined with an illuminating lamp.

The invention also aims to provide a refrigerator with the rotation control device.

The rotary control device provided by the embodiment of the invention comprises a circuit board, a lighting lamp, an encoder and a knob. The illuminating lamp is arranged on the circuit board. The encoder is the annular, the encoder is established on the circuit board, the encoder encircles the light setting. The knob is in rotating fit with the encoder, and the encoder outputs adjusting information through rotation of the knob.

The rotary control device of the embodiment of the invention is equivalent to integrating the rotary control module and the lighting module into a whole. When the rotary control device is arranged on the equipment, illumination can be obtained, and meanwhile, rotation control and adjustment can be realized. The function of the rotary control device is not single any more, and the requirements of users for more diversification can be met on the premise of not increasing the cost. The rotary control device has the advantages of small occupied size, convenience in installation, strong protection effect on a circuit board and a lighting lamp, strong rotation supporting effect on the rotary knob and contribution to prolonging the service life.

In some embodiments, a temperature adjustment module is disposed on the circuit board, and the temperature adjustment module is electrically connected to the encoder to adjust the temperature according to the adjustment information output by the encoder.

In some embodiments, a lighting effect adjusting module is disposed on the circuit board, and the lighting effect adjusting module is electrically connected to the encoder and the illumination lamp to adjust the brightness and/or color of the illumination lamp according to the adjusting information output by the encoder.

In some embodiments, the rotational control device further comprises: the lamp shade covers at least the illuminating lamp.

In some embodiments, the light shade is snap-fit to the knob.

In some embodiments, the knob comprises: the inner ring plate is annular and is sleeved on the encoder; the peripheral pipe is in a circular pipe shape, and one end of the peripheral pipe is connected to the inner ring plate; wherein, the inner ring plate and/or the peripheral ring pipe are provided with a first buckling part. The lamp cover is characterized in that a second buckling part is arranged on the periphery of the lamp cover, the peripheral ring pipe is sleeved on the lamp cover, and the second buckling part is connected with the first buckling part in a buckling and matching mode.

In some embodiments, the rotational control apparatus further comprises: the lamp, the encoder, the knob are located the circuit board the open-ended one side.

In some embodiments, the rotation control device is characterized in that a supporting rib is arranged on the bottom wall of the bottom case, the circuit board is located on the supporting rib, a clamping groove is arranged on the periphery of the circuit board, and a clamping hook matched with the clamping groove is arranged on the bottom case.

In some embodiments, the circuit board is provided with a positioning groove on the periphery thereof, and the bottom case is provided with a positioning rib matched with the positioning groove.

According to the refrigerator provided by the embodiment of the invention, the rotary control device is arranged in the compartment of the refrigerator and is the rotary control device in the embodiment.

According to the refrigerator provided by the embodiment of the invention, the small rotary control device can be arranged in the compartment, the occupied space is small, the installation is convenient, and the adjustment and illumination effects can be taken into consideration.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a perspective view of a rotational control apparatus according to an embodiment of the present invention;

FIG. 2 is a control structure diagram of a rotational control apparatus according to another embodiment of the present invention;

FIG. 3 is an exploded view of a rotational control apparatus according to another embodiment of the present invention;

FIG. 4 is a schematic diagram of the rotational control apparatus of the present invention after the circuit board, the illumination lamp, the encoder and the knob are assembled;

FIG. 5 is a perspective view of a back box of an embodiment of the present invention;

FIG. 6 is a diagram illustrating the position of the rotational control apparatus within the refrigerator in accordance with an embodiment of the present invention;

fig. 7 is an exploded view of the structure shown in fig. 6.

Reference numerals:

a rotation control device 100,

The LED lamp comprises a circuit board 10, a circular area 101, a peripheral area 102, a temperature adjusting module 11, a light effect adjusting module 12, a clamping groove 13, a positioning groove 14,

An illuminating lamp 20,

An encoder 30,

A knob 40, an inner ring plate 41, a circumferential ring tube 42, a first locking part 401,

A lampshade 50, a second buckling part 53,

The bottom box 60, the bottom plate 601, the coaming 602, the opening 61, the supporting rib 62, the hook 63, the positioning rib 64, the mounting hole 64,

A refrigerator 1000, an inner container 200, a compartment 300,

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for the purposes of convenience and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Turning now to fig. 1-5, a rotational control apparatus 100 according to an embodiment of the present invention is described.

It is understood that the rotation control device 100 is a device that can be adjusted and controlled by rotation, and can be disposed on a household appliance, and can also be disposed on other equipment. In the present application, the specific application of the rotational control apparatus 100 is not limited, and the specific target parameter to be adjusted when the rotational control apparatus 100 rotates is also not limited, and may be temperature, brightness, humidity, wind power, and the like.

Referring to fig. 1 to 3, a rotational control apparatus 100 according to an embodiment of the present invention includes a circuit board 10, an illumination lamp 20, an encoder 30, and a knob 40. The illumination lamp 20 and the encoder 30 are provided on the circuit board 10, and the encoder 30 is annular and disposed around the illumination lamp 20. The knob 40 is rotatably fitted to the encoder 30, and the encoder 30 outputs adjustment information by rotation of the knob 40.

Wherein, because the knob 40 is rotatably fitted on the encoder 30, the encoder 30 can convert the angular displacement of the knob 40 into an electrical signal, which is the adjustment information. In the present application, how the encoder 30 obtains the angular displacement of the knob 40 and converts the electrical signal according to the angular displacement belongs to the prior art, and is not described herein. Because the encoder 30 is disposed on the circuit board 10, the encoder 30 can directly and rapidly transmit the electrical signal to the circuit board 10, and the circuit board 10 can rapidly analyze the content of the electrical signal, so that the target parameter of the rotary control device 100 can be adjusted, which is beneficial to improving the sensitivity of adjusting the target parameter.

In this application, because encoder 30 encircles the setting of light 20, back on encoder 30 is gone up to knob 40 normal running fit, light 20 is roughly under the dual-encircling setting of encoder 30, knob 40, and is stronger to light 20 guard action. In some schemes, the encoder 30 is disposed around not only the illumination lamp 20 but also other electrical components (such as diodes, resistors, etc.) on the circuit board 10, and both the illumination lamp 20 and the other electrical components on the circuit board 10 can obtain the dual-surrounding protection effect of the encoder 30 and the knob 40. In another scheme, the lighting lamp 20, the electrical components on the circuit board 10, and the circuit on the circuit board 10 are all in the surrounding area of the encoder 30, so that the protection effect is enhanced, the reliability of the circuit board 10 and the lighting lamp 20 can be improved, and the service life is prolonged.

In this application, utilize encoder 30 to be the annular, and 40 normal running fit of knob is on encoder 30, and encoder 30 is strong to the rotation support ability of knob 40, is difficult for causing encoder 30's fracture when knob 40 rotates, is favorable to prolonging the regulatory function life-span.

In this application, set up light 20 in encoder 30's the space of encircleing, on the one hand light 20 need not account for the space in addition outside encoder 30, and the rotatory 100 overall dimension of accuse device that reduces greatly, on the other hand light 20 can the external luminous illumination, especially provides illumination to knob 40, makes the user see knob 40 position clearly, still is favorable to the cloth light homogeneity.

The rotary control device 100 of the present application is equivalent to integrating two rotary control modules and two lighting modules into a whole. When the rotary control device 100 is installed on the fixture equipment, the lighting can be obtained, and meanwhile, the rotary control adjustment can be realized. The function of the rotary control device 100 is no longer single, and on the premise of not increasing the cost, the more diversified requirements of the user can be met, and the use pleasure is increased. The rotary control device 100 has small occupied area, is convenient to install, has strong protection effect on the circuit board 10 and the illuminating lamp 20, has strong rotation supporting effect on the knob 40, and is beneficial to prolonging the service life.

The target parameters to be specifically adjusted when the rotary control device 100 rotates in the present application may be determined according to the adjustment module specifically disposed on the circuit board 10.

In some embodiments, the circuit board 10 is provided with a temperature adjustment module 11, the temperature adjustment module 11 is electrically connected to the encoder 30, and the temperature adjustment module 11 can adjust the temperature according to the adjustment information output by the encoder 30. By the arrangement, the temperature can be controlled and adjusted directly through the knob 40, and the operation is convenient.

In other embodiments, the circuit board 10 is provided with a light effect adjusting module 12, the light effect adjusting module 12 is electrically connected to the encoder 30 and the illumination lamp 20, and the light effect adjusting module 12 can adjust the brightness and/or color of the illumination lamp 20 according to the adjusting information output by the encoder 30. By means of the arrangement, the lighting effect can be directly controlled and adjusted through the knob 40, and operation is convenient. Here, the light effect adjusting module 12 can adjust the brightness of the illumination lamp 20, can also adjust the color of the illumination lamp 20, and even the light effect adjusting module 12 can adjust the brightness and the color of the illumination lamp 20, thereby providing various light effect adjusting options.

In still other embodiments, as shown in fig. 2, a temperature adjustment module 11 and a light effect adjustment module 12 are disposed on the circuit board 10, the temperature adjustment module 11 and the light effect adjustment module 12 are electrically connected to the encoder 30, the temperature adjustment module 11 can adjust the temperature according to the adjustment information output by the encoder 30, and the light effect adjustment module 12 can adjust the brightness and/or color of the illumination lamp 20 according to the adjustment information output by the encoder 30. Thus, by rotating the knob 40, double control of temperature and light effect can be realized, and adjustment interestingness is improved.

Specifically, the center of the knob 40 is provided with the illuminating lamp 20, and the color can be changed corresponding to different gears, so that the functions of illumination and atmosphere lamps can be achieved.

Of course, other adjusting modules, such as a direction adjusting module, a humidity adjusting module, a flow adjusting module, etc., are not excluded from the circuit board 10 in the present application, and may be selected according to the equipment used for the specific application of the rotary control device 100.

In some embodiments, as shown in fig. 1 and 3, the knob control device 100 further comprises a lampshade 50, the lampshade 50 covers at least the illuminating lamp 20, and the lampshade 50 is connected to the knob 40 in a snap-fit manner. The lampshade 50 can further protect the illumination lamp 20 and the at least circuit board 10, reduce the impact force on the illumination lamp 20 and the circuit board 10, reduce the foreign matters falling on the illumination lamp 20 and the circuit board 10, and prolong the service life of the rotary control device 100.

Alternatively, the lamp housing 50 may cover the lamp 20 and the useful portion of the circuit board 10, which may further improve the protection of the circuit board 10. For example, the useful area of the circuit board 10 is a circular area 101, the electrical components and circuits of the circuit board 10 are all located on the circular area 101, the illuminating lamp 20 is located on the circular area 101 of the circuit board 10, the encoder 30 is located along the edge of the circular area 101 of the circuit board 10, and the encoder 30 is in a ring shape. The lampshade 50 is a circular cover and covers the encoder 30, so as to cover the circular area 101 of the circuit board 10, thereby effectively preventing external liquid and foreign matters from entering the rotation control device 100, and improving the protection of the rotation control device 100. Further optionally, the circuit board 10 further includes a peripheral region 102, the peripheral region 102 is located radially outside the circular region 101, and the peripheral region 102 is used for mounting and connection. Such as a card slot 13 for fixing, which will be mentioned later, may be provided on the peripheral region 102. Such as the positioning slot 14 for fixation mentioned hereinafter, may be provided on the peripheral region 102.

Specifically, the lamp housing 50 is snap-coupled to the knob 40, which can improve assembly efficiency. Of course, the present application does not exclude other connection methods such as screw connection between the lampshade 50 and the knob 40, and even the lampshade 50 may be integrally formed on the knob 40, so as to reduce the number of assembling parts.

In some embodiments, as shown in fig. 3 and 4, the knob 40 includes an inner ring plate 41, a circumferential ring tube 42, and a first snap 401. The inner ring plate 41 has a ring shape, and the encoder 30 is covered with the inner ring plate 41. The peripheral pipe 42 is in a circular pipe shape, and one end of the peripheral pipe 42 is connected to the inner ring plate 41. The inner ring plate 41 is provided with a first locking part 401, the peripheral ring tube 42 is provided with a first locking part 401, or the inner ring plate 41 and the peripheral ring tube 42 are provided with a first locking part 401.

The outer periphery of the lampshade 50 is provided with a second buckling part 53, the peripheral ring tube 42 is sleeved on the lampshade 50, and the second buckling part 53 is in buckling fit connection with the first buckling part 401.

Here, the lamp housing 50 is coupled to the knob 40, and when the knob 40 is rotated, the lamp housing 50 is rotated. Compared with the method of only rotating the knob 40, the lampshade 50 and the knob 40 are rotated simultaneously, and the hand feeling and the visual feeling are more obvious.

The lampshade 50 is sleeved outside the encoder 30, and the peripheral ring tube 42 of the knob 40 is sleeved outside the lampshade 50, so that the circuit board 10 and the illuminating lamp 20 which are positioned inside the encoder 30 can be protected by three layers of the peripheral ring tubes 42 of the encoder 30, the lampshade 50 and the knob 40, and the protection effect is further improved.

By providing the inner ring plate 41 on the knob 40, the inner ring plate 41 is annular and fitted around the encoder 30, and the inner circumferential surface of the inner ring plate 41 is circular and can be in contact with the inner circumferential surface of the ring, so that the knob 40 can be kept stable when rotated, and the smooth rotation can be maintained.

The peripheral ring tube 42 of the knob 40 is sleeved outside the lampshade 50 and is connected in a buckling mode, so that the buckling connection position can be hidden in the peripheral ring tube 42, and the overall attractiveness is improved.

In some embodiments, as shown in fig. 3, the circuit board 10 includes a circular area 101 and a peripheral area 102, the peripheral area 102 is substantially circular and is disposed around the circular area 101, the illuminating lamp 20, the electrical components of the circuit board 10, and the circuit are disposed on the circular area 101, the encoder 30 is disposed along the edge of the circular area 101 of the circuit board 10, and the encoder 30 is circular. The lamp housing 50 is a circular housing and covers the encoder 30. The inner ring plate 41 on the knob 40 is circular and is sleeved on the encoder 30, and the circumferential pipe 42 is a circular pipe and is sleeved outside the lampshade 50. The circuit board 10, the encoder 30 and the knob 40 are coaxially arranged, and the inner diameter of the inner ring board 41 is equal to the outer diameter of the encoder 30, so that the rotation temperature control is realized.

In some embodiments, as shown in fig. 3 and 5, the rotation control device 100 further includes a bottom case 60, one side of the bottom case 60 has an opening 61, the circuit board 10 is located in the bottom case 60, and the illumination lamp 20, the encoder 30 and the knob 40 are located on one side of the circuit board 10 facing the opening 61. The bottom box 60 is convenient for fixing the circuit board 10, and the rotary control device 100 is convenient to integrate into a whole in appearance, so that the installation through the bottom box 60 is convenient.

When the rotary control device 100 is installed on equipment, the bottom box 60 can be regarded as a pre-embedded box, and the equipment sets an installation space according to the size of the pre-embedded box.

Specifically, as shown in fig. 3, the bottom wall of the bottom case 60 is provided with support ribs 62, and the circuit board 10 is positioned on the support ribs 62, so that the circuit board 10 is supported in the bottom case 60 by the support ribs 62, and the circuit board 10 does not need to be directly mounted on the bottom surface of the bottom case 60. After the circuit board 10 is supported, the space between the circuit board 10 and the bottom surface of the bottom box 60 can contain wires and the like, the probability that electric elements, welding spots and the like on the circuit board 10 are scratched is reduced, and the circuit board 10 can be protected.

Optionally, the supporting ribs 62 are multiple, the supporting ribs 62 are arranged at intervals along the circumferential direction of the bottom case 60, and the top surfaces of the supporting ribs 62 are flush, so that the circuit board 10 can be kept flush relative to the top surfaces, and the supporting uniformity and stability are improved.

Furthermore, the circuit board 10 is provided with a clamping groove 13 on the periphery thereof, and the bottom case 60 is provided with a hook 63 engaged with the clamping groove 13, so that the axial movement of the circuit board 10 is limited, and the circuit board 10 can be firmly fixed on the bottom case 60. When the rotation control device 100 is impacted, the circuit board 10 is not easy to be separated from the bottom case 60.

Optionally, two opposite hooks 63 are disposed on the bottom case 60, two slots 13 distributed at an included angle of 180 degrees are disposed on the periphery of the circuit board 10, and the two hooks 63 are respectively matched with the two slots 13.

Further, as shown in fig. 3 and 5, the positioning groove 14 is formed on the outer circumference of the circuit board 10, and the bottom case 60 is provided with a positioning rib 64 engaged with the positioning groove 14, so that the positioning rib 64 can restrict the rotation of the circuit board 10. Therefore, the circuit board 10 is limited in the circumferential direction relative to the bottom box 60, wires and the like caused by rotation are prevented from being pulled, and electric elements, welding spots and the like on the circuit board 10 are prevented from being scratched during rotation.

Alternatively, as shown in fig. 5, the positioning rib 64 is connected to a supporting rib 62, such that the circuit board 10 abuts against the supporting rib 62, and the positioning rib 64 is clamped at the positioning groove 14 of the circuit board 10, thereby achieving triple positioning of the circuit board 10 at the axial, radial and circumferential directions.

In some embodiments, as shown in fig. 5, the bottom case 60 includes a bottom plate 601 and a surrounding plate 602, the bottom plate 601 is a circular plate, the surrounding plate 602 is attached to an edge of the bottom plate 601, the bottom plate 601 and the surrounding plate 602 define a case cavity in which the circuit board 10 and the like are installed.

Optionally, the bottom plate 601 and the surrounding plate 602 are integrally formed, and further optionally, the supporting rib 62, the hook 63 and the positioning rib 64 are integrally formed and connected to the bottom box 60.

Specifically, as shown in fig. 2, the bottom plate 601 is provided with a mounting hole 64 for threading.

Further, the knob 40 can be provided with gears, the bottom box 60 can be provided with marks, when the knob 40 is rotated, one gear can be aligned with the mark and the other gear can be aligned with the mark, so that the change of the target parameter can be observed conveniently.

Advantageously, the bottom case 60 is formed by injection molding, so that the bottom plate 601, the surrounding plate 602, the opening 61, the supporting rib 62, the hook 63, the positioning rib 64 and the mounting hole 64 can be integrally injection molded during injection molding, the processing steps are simplified, and the processing efficiency is improved.

Also advantageously, the cover 50 is formed by injection molding, and the second fastening portion 53 can be integrally injection molded during injection molding.

Advantageously, the knob 40 is formed by injection molding, so that the inner ring plate 41, the peripheral collar 42, the first locking portion 401, and the like can be integrally injection molded during injection molding.

Alternatively, the entire lamp housing 50 may be made of transparent plastic, so that the illumination lamp 20 is brighter. Of course, the present disclosure is not limited thereto, and the lamp housing 50 is a translucent member or the like. In some schemes, the material of the lamp shade 50 is not limited, and only the position corresponding to the illumination lamp 20 is processed with transparent or semitransparent.

A refrigerator 1000 according to an embodiment of the present invention is described below with reference to fig. 1 to 7.

As shown in fig. 6 to 7, a rotation control device 100 is disposed in the compartment 300 of the refrigerator 1000, the rotation control device 100 is the rotation control device 100 described in the above embodiment, and the structure of the rotation control device 100 is not described herein again.

According to the refrigerator 1000 of the embodiment of the invention, the small rotary control device 100 can be arranged in the compartment 300, the occupied space is small, the installation is convenient, and the adjustment and illumination effects can be taken into consideration.

Specifically, the specific installation position of the swing control device 100 in the compartment 300 is not limited, and the swing control device may be installed on the inner cavity 200 of the refrigerator 1000, may also be installed on a door body (not shown) of the refrigerator 1000, and may even be installed on a shelf (not shown) in the refrigerator 1000.

When the rotation control device 100 is located in the chamber 300, it may be located on the top surface of the chamber 300, or may be located on the side surface or the back surface of the chamber 300.

The rotary control device 100 is smart and delicate in appearance, and increases the use pleasure on the premise of not increasing the cost.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A rotary control device, comprising:

a circuit board (10);

the illuminating lamp (20), the illuminating lamp (20) is arranged on the circuit board (10);

the encoder (30) is arranged on the circuit board (10), and the encoder (30) is annular and arranged around the illuminating lamp (20);

the knob (40), the knob (40) is rotationally matched on the encoder (30), and the encoder (30) outputs adjusting information through the rotation of the knob (40).

2. The rotary control device (100) according to claim 1, wherein a temperature adjusting module (11) is disposed on the circuit board (10), and the temperature adjusting module (11) is electrically connected to the encoder (30) for adjusting the temperature.

3. The rotary control device (100) according to claim 1, wherein a light effect adjusting module (12) is disposed on the circuit board (10), and the light effect adjusting module (12) is electrically connected to the encoder (30) and the illumination lamp (20) to adjust the brightness and/or color of the illumination lamp (20).

4. The rotational control apparatus (100) according to claim 1, further comprising: a lamp housing (50), the lamp housing (50) at least covering the illumination lamp (20).

5. The rotary control device (100) of claim 4, wherein the light housing (50) is snap-fit to the knob (40).

6. The rotary control device (100) according to claim 5, wherein the knob (40) comprises:

the inner ring plate (41), the said inner ring plate (41) is the circular ring, the said inner ring plate (41) overcoat is on the said encoder (30);

the peripheral pipe (42), the peripheral pipe (42) is in a circular pipe shape, and one end of the peripheral pipe (42) is connected to the inner ring plate (41); wherein the content of the first and second substances,

a first buckling part (401) is arranged on the inner ring plate (41) and/or the peripheral ring pipe (42);

the lamp shade is characterized in that a second buckling part (53) is arranged on the periphery of the lamp shade (50), the peripheral ring pipe (42) is sleeved on the lamp shade (50), and the second buckling part (53) is connected with the first buckling part (401) in a buckling and matching mode.

7. The rotary control device (100) according to any one of claims 1-6, further comprising: the lamp box comprises a bottom box (60), an opening (61) is formed in one side of the bottom box (60), the circuit board (10) is located in the bottom box (60), and the illuminating lamp (20), the encoder (30) and the knob (40) are located on one side, facing the opening (61), of the circuit board (10).

8. The rotary control device (100) according to claim 7, wherein a supporting rib (62) is disposed on a bottom wall of the bottom case (60), the circuit board (10) is disposed on the supporting rib (62), a locking slot (13) is disposed on an outer periphery of the circuit board (10), and a locking hook (63) engaged with the locking slot (13) is disposed on the bottom case (60).

9. The rotary control device (100) according to claim 7, wherein the circuit board (10) has a positioning groove (14) on the periphery thereof, and the bottom case (60) has a positioning rib (64) engaged with the positioning groove (14).

10. A refrigerator (1000), characterized in that the compartment (300) of the refrigerator (1000) is provided with a swing control device (100) according to any one of claims 1 to 9.