CN218096817U - Control panel assembly and electrical equipment - Google Patents

Abstract

The utility model discloses a control panel assembly and electrical equipment, control panel assembly include mounting box, operating panel, main control board and button, and the mounting box has the opening towards the front side, and the front side of mounting box is located to the operating panel lid, and operating panel has the button via hole, and in the mounting box was located to the main control board, the main control board had the button electric potential, and the button is installed in the button via hole to movably along the front-back, and corresponds the setting with the button electric potential, is equipped with waterproof construction between operating panel and the button. The utility model discloses in, control panel assembly adopts the operation of entity button, and the operation is felt to be equipped with waterproof construction between button and operating panel, in case water from button infiltration operating panel, contact the main control board, influence the life of main control board, good reliability, low in production cost.

Description

Control panel assembly and electrical equipment

Technical Field

The utility model relates to an electrical equipment technical field, in particular to control panel assembly and electrical equipment.

Background

In the prior art, a control panel assembly is often arranged on a household appliance to facilitate user operation. The control panel assembly usually comprises a surface paste, and the surface paste is generally pasted on the front side of the operation panel to prevent moisture from entering the control panel assembly to influence the work of the main control panel and reduce the service life of the control panel assembly. However, the control panel assembly adopting the surface sticker cannot be provided with physical keys generally, so that on one hand, the user has poor operation hand feeling, and on the other hand, the production cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a control panel assembly that the operation is felt well, and manufacturing cost is lower.

In order to achieve the above object, the present invention provides a control panel assembly, including:

a mounting box having an opening facing the front side;

the operation panel is covered on the front side of the mounting box and provided with a key through hole;

the main control board is arranged in the mounting box and is provided with a key potential; and (c) a second step of,

the key is movably arranged in the key through hole along the front-back direction and is arranged corresponding to the key potential;

and a waterproof structure is arranged between the operation panel and the key.

In an embodiment, the waterproof structure includes a waterproof rib integrally disposed with the operation panel, the waterproof rib is disposed around the key through hole, the key includes a cap and a protruding column sequentially disposed in a front-back direction, the waterproof structure further includes a water retaining ring protruding from a rear side of the cap, an annular gap is formed between an inner side of the water retaining ring and an outer periphery of the protruding column, the protruding column penetrates through the key through hole, and the waterproof rib is inserted into the annular gap.

In an embodiment, a mounting groove is concavely formed in the front side of the operating panel, the key through hole is opened in the bottom wall of the mounting groove, the waterproof convex rib is convexly arranged on the bottom wall of the mounting groove, and the cap is accommodated in the mounting groove.

In one embodiment, the side walls of the mounting slot are at least partially angled forwardly and downwardly.

In an embodiment, the main control panel further includes a light source, the operation panel is provided with a light-transmitting portion corresponding to the light source, and the control panel assembly further includes a light guide member disposed between the light source and the light-transmitting portion.

In an embodiment, the light sources are provided in plurality, the light guide member includes a connection plate and a plurality of light guide columns, each light guide column extends from the front side of each light source to the operation panel in a one-to-one correspondence, the connection plate is connected to each light guide column, and the front side of the connection plate abuts against the operation panel.

In an embodiment, a light blocking structure is convexly arranged on the rear side of the operation panel, and the light blocking structure comprises a light blocking wall located between two adjacent light guide columns.

In an embodiment, the light blocking structure further includes a connecting wall between two adjacent light blocking walls and a fixing wall for clamping the connecting plate, and the connecting wall extends along the circumferential direction of the corresponding light source.

In one embodiment, the rear side of the operation panel is further convexly provided with a first clamping portion used for clamping the connecting plate and a first limiting rib corresponding to two corner portions of the connecting plate.

In an embodiment, the operation panel rear side is equipped with second joint portion and the spacing muscle of second in the protrusion, second joint portion is used for the joint the main control board, the spacing muscle of second corresponds a plurality of bight settings of main control board is used for the restriction the activity stroke of main control board in its plane.

In an embodiment, the operation panel is clamped to the mounting box, the mounting box is provided with a wire passing hole, a fixing bolt penetrates through the wire passing hole, and the fixing bolt is used for fixedly mounting the mounting box and compressing an electric wire penetrating through the wire passing hole.

In an embodiment, a supporting rib is protruded forward from a bottom wall of the mounting box, and a front side of the supporting rib abuts against a rear side of the main control panel.

In order to achieve the above object, the present invention further provides an electrical apparatus, which is characterized by comprising the control panel assembly as described above.

In one embodiment, the electrical device is a refrigerator.

The utility model discloses a control panel assembly and contain this control panel assembly's electrical equipment in the embodiment, control panel assembly includes mounting box, operating panel, main control board and button, the mounting box has the opening towards the front side, the front side of mounting box is located to the operating panel lid, operating panel has the button via hole, in the mounting box was located to the main control board, the main control board had the button current potential, the button is installed in the button via hole to movably along the front and back, and correspond the setting with the button current potential, be equipped with waterproof construction between operating panel and the button. The utility model discloses a control panel assembly adopts the operation of entity button, and the operation is felt to be equipped with waterproof construction between button and operating panel, in case water from button infiltration operating panel, contact the main control board, influence the life of main control board, good reliability, low in production cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an exploded schematic view of a three-dimensional structure of an embodiment of a control panel assembly provided by the present invention;

fig. 2 is a schematic perspective view of the control panel assembly of fig. 1;

FIG. 3 is a front elevational view of the front side of the control panel assembly of FIG. 2;

FIG. 4 isbase:Sub>A cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a rear elevational view of the operator panel of FIG. 1;

FIG. 6 is an assembly view of the operation panel, the key and the light guide of FIG. 1;

fig. 7 is an enlarged schematic view of the key via in fig. 1.

The reference numbers illustrate:

the realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the expression "and/or" as used throughout is meant to encompass three juxtaposed aspects, exemplified by "A and/or B" and encompasses either A aspect, or B aspect, or both A and B aspects.

Many household appliances need to be provided with a control panel to control the operation of the household appliances, such as a temperature control panel of a cabinet air conditioner, a temperature control panel of a refrigerator and an ice chest, a washing control panel of a washing machine, and the like. The surface of the existing control panel needs to be provided with a surface sticker to prevent water and dust and protect the internal circuit components of the control panel. However, the control panel assembly adopting the surface paste generally cannot be provided with physical keys, so that on one hand, the user has poor operation hand feeling, on the other hand, the production cost is high, and the installation efficiency is low.

To this end, the present invention provides a control panel assembly 100, and an electric appliance having the control panel assembly 100. The electrical appliance may be an air conditioner, a dishwasher, a refrigerator, a washing machine, or the like, and the control panel assembly 100 is provided to the electrical appliance to control the operation of the electrical appliance.

In this embodiment, the electrical equipment is a refrigerator, and the control panel assembly 100 is used to control the compartment temperature of the refrigerator. For example, when the refrigerator is in a freezing mode, the control panel assembly 100 may adjust the temperature of the compartment of the refrigerator to-20 to-5 degrees, and when the refrigerator is in a refrigerating mode, the control panel assembly 100 may control the temperature of the compartment of the refrigerator to 0 to 5 degrees. The control panel assembly 100 is installed at a case of the refrigerator.

In this embodiment, referring to fig. 1, the control panel assembly 100 includes a mounting box 10, an operation panel 20, a main control panel 30 and keys 40. The mounting box 10 has an opening facing the front side, and it should be noted that the mounting box 10 is used for fixedly mounting the control panel assembly 100 to the electrical equipment. For example, the mounting box 10 may be pre-buried in the heat insulation layer of the refrigerator, and the open side of the mounting box faces the outside of the refrigerator, so as to facilitate the installation of the main control board 30, the operation panel 20, the keys 40, and the like, and facilitate the operation of the operation panel 20 by the user in the later period. The specific material of the mounting box is not limited. In the present invention, the front direction is the direction of the operation surface of the operation panel 20, i.e. the direction of the control panel assembly 100 when the user operates the operation panel 20. The rear is a direction in which the bottom wall of the mounting box 10 faces. In the preferred embodiment, the front-rear direction extends substantially in the horizontal direction, but the direction of the operation panel 20 and the embedding direction of the mounting box 10 may be changed according to the design requirements, depending on the type of the electric device.

The main control panel 30 is arranged in the mounting box 10, and the main control panel 30 has a key potential 31. The operation panel 20 is covered on the front side of the mounting box 10, the operation panel 20 is provided with a key through hole 21, and the key 40 is movably arranged in the key through hole 21 along the front-back direction and is arranged corresponding to the key potential 31. Preferably, when the key 40 touches the key potential 31, the main control board 30 is triggered. Therefore, when a user presses the key 40, the key 40 moves backwards along the key through hole 21 and triggers the key potential 31 on the main control board 30, so that the main control board 30 sends out a corresponding instruction to control the operation of the electrical equipment, thereby realizing the operation of the electrical equipment by the user. The specific structure of the key 40 attached to the operation panel 20 is not limited as long as it can move in the front-back direction without departing from the operation panel 20. Preferably, an elastic deformation structure is disposed around the key through hole 21, so that the operation panel 30 has a radial limiting effect on the key 40.

In this embodiment, a waterproof structure is disposed between the operation panel 20 and the key 40. Therefore, under the condition that a surface sticker is not needed, water can be prevented from permeating into the operation panel 20 from the keys 40 and contacting the main control panel 30, the service life of the main control panel 30 is influenced, the reliability of the control panel assembly 100 is good, and the production cost is low.

The specific form of the waterproof structure may be various. For example, the waterproof structure may be a rubber sleeve disposed at the key via hole 21, and the rubber sleeve plays a role in sealing the key via hole 21 and preventing water and dust. Meanwhile, the rubber sleeve can also deform, so that the key 40 can move back and forth. However, the waterproof structure may cause the button 40 to have poor pressing feel, and the elasticity of the rubber sleeve changes with the use duration, which may cause pressing failure, and the button potential 31 cannot be smoothly triggered, resulting in poor user experience. Therefore, in this embodiment, please continue to refer to fig. 1, fig. 4 and fig. 7, the waterproof structure includes a waterproof rib 22 integrally disposed with the operation panel 20, the waterproof rib 22 is annularly disposed on the periphery of the key via hole 21, the key 40 includes a cap 41 and a boss 42 sequentially disposed along the front-back direction, the waterproof structure further includes a water retaining ring 43 protruding from the rear side of the cap 41, an annular gap 44 is formed between the inner side of the water retaining ring 43 and the periphery of the boss 42, the boss 42 penetrates through the key via hole 21, and the waterproof rib 22 is inserted into the annular gap 44. In this embodiment, when water enters the gap between the key 40 and the operation panel 20, the water drops may flow to the annular gap 44, at this time, because the waterproof rib 22 is shielded, so that the water drops only flow along the outer side of the waterproof rib 22, and the water drops are not easy to flow to the key via hole 21, therefore, the above structure can play a waterproof role, avoid water to flow along the key via hole 21 penetrates into the mounting box 10, contacts the main control panel 30, affects the service life of the main control panel 30, and the control panel assembly 100 has good reliability and prolonged service life. Moreover, the waterproof mode can realize waterproof, and waterproof components such as a rubber sleeve and the like do not need to be arranged, so that when the user presses the key 40, the user can easily push the key 40 to slide along the front and back direction, the operation is easy, the pressing hand feeling is good, the key failure is not easy to occur, and the user experience is better.

In a preferred embodiment, please refer to fig. 1 and fig. 4, a mounting groove 23 is concavely formed in the front side of the operation panel 20, the key through hole 21 is formed in the bottom wall of the mounting groove 23, the waterproof rib 22 is convexly formed on the bottom wall of the mounting groove 23, and the cap 41 is accommodated in the mounting groove 23. In this way, the key 40 is designed to be embedded in the front side of the operation panel 20, does not protrude from the operation panel 20, has an attractive appearance, and is not easy to cause misoperation. Furthermore, the flowing water is further prevented from flowing into the annular gap 44 along the cap 41, so that the sealing performance of the key through hole 21 is better, and the service life of the operation panel 20 component is further prolonged.

Further, the side wall of the mounting groove 23 is at least partially inclined forward and downward. So, when the water droplet gets into the button 40 with the gap between the mounting groove 23, can by the lateral wall water conservancy diversion of mounting groove 23, outwards flow, avoid being in the mounting groove 23 is accumulated to further promote waterproof construction's waterproof performance, also make be difficult to save up dirty in the mounting groove 23, easy to clean maintains. In the present embodiment, the plane on which the operation panel 20 is located extends substantially in the vertical direction.

It is apparent to those skilled in the art that the control panel assembly 100 is generally provided with a light source 32 to display an operation state of the electric appliance or a setting parameter of the control panel assembly 100, etc. Taking the electrical apparatus as a refrigerator as an example, the light source 32 may be used to indicate the operation mode of the refrigerator, the set temperature and/or the on-off state. Therefore, in a preferred embodiment, with continued reference to fig. 1 and 4, the main control panel 30 is further provided with a light source 32, the operation panel 20 is provided with a light-transmitting portion 24 corresponding to the light source 32, the control panel assembly 100 further includes a light guide 50, and the light guide 50 is disposed between the light source 32 and the light-transmitting portion 24. It is understood that the light source 32 may be an LED lamp bead, other light emitting electronic devices, or a plurality of light emitting electronic devices. The light-transmitting portion 24 may be a light-transmitting hole formed in the operation panel 20, or may be a transparent window made of a transparent or translucent material and disposed on the operation panel 20, specifically, the light-transmitting portion 24 only needs to be capable of transmitting light emitted from the light source 32 through the surface of the operation panel 20 to display the operating parameters of the electrical equipment. Since the main control board 30 is installed in the installation box 10, the light source 32 may have a certain distance from the surface of the operation panel 20, so that the light emitted from the surface of the operation panel 20 is not particularly obvious, i.e. not bright enough, and the user experience is affected. Therefore, in the present embodiment, a light guide 50 is disposed between the light source 32 and the light-transmitting portion 24 on the surface of the operation panel 20, and the light guide 50 is generally made of a transparent material and directly transmits the light emitted from the light source 32 to the light-transmitting portion 24, so that the light displayed on the control panel assembly 100 is brighter and clearer. Preferably, the light guide 50 is made of transparent material such as acrylic or glass.

In a preferred embodiment, the light-transmitting portion 24 is a light-transmitting hole opened on the front side surface of the operation panel 20, the front end of the light-guiding member 50 is inserted into the light-transmitting hole, and the cross section of the light-transmitting hole is gradually reduced from back to front, so that on one hand, the light-guiding member 50 can be tightly attached to the operation panel 20 to play a role in dust prevention and water prevention, and on the other hand, light beams guided by the light-guiding member 50 are more converged and brighter.

Based on the above embodiment, please continue to refer to fig. 1 to 4, a plurality of light sources 32 are provided to display the complex operating parameters of more electrical devices. The light guide member 50 includes a connection plate 51 and a plurality of light guide posts 52, each light guide post 52 extends from the front side of each light source 32 to the operation panel 20 in a one-to-one correspondence manner, the connection plate 51 connects each light guide post 52, and the front side of the connection plate 51 abuts against the operation panel 20. In this embodiment, the connecting plate 51 serves to connect the plurality of light guide posts 52, so that the light guide 50 is modularized as a whole and is convenient to install, and in the process of installing the light guide 50, the connecting plate 51 also serves to limit the position, for example, in an embodiment, the connecting plate 51 can be attached to the operation panel 20, so as to reduce the gap of the light transmission portion 24 on the operation panel 20, and to achieve better dustproof and waterproof effects. Preferably, the connecting member is integrally formed with the plurality of light guiding pillars 52, and is made of a transparent acrylic material.

It can be understood that, due to the arrangement of the plurality of light sources 32, the light emission of the light sources 32 may be affected mutually, for example, when one of the light sources 32 is turned on, the light-transmitting portions 24 corresponding to the other light sources 32 are also affected and then emit light, which affects the judgment of the user on the operating parameters of the electrical equipment. Therefore, in a preferred embodiment, please refer to fig. 1, fig. 5 and fig. 6 in combination, a light blocking structure 25 is convexly disposed at the rear side of the operation panel 20, and the light blocking structure 25 includes a light blocking wall 251 located between two adjacent light guiding columns 52. In this way, when the light guide member 50 is installed on the operation panel 20, the light blocking structure 25 on the operation panel 20 functions to block light, and particularly, a light blocking wall 251 is provided between two adjacent light sources 32, so that when one light source 32 is lit, the light blocking wall 251 can block light from being emitted to the peripheral light-transmitting portion 24, and thus, the light blocking structure 25 functions to prevent the light sources 32 from interacting with each other, which may cause an ambiguous display on the operation panel 20.

The specific shape of the light blocking structure 25 is not limited, and in this embodiment, referring to fig. 5, the light blocking structure 25 further includes a connecting wall 252 between two adjacent light blocking walls 251 and a fixing wall 253 for clamping the connecting plate 51, where the connecting wall 252 extends along the circumferential direction of the corresponding light source 32. In this way, for each of the light sources 32, the corresponding connecting wall 252 and the light blocking wall 251 play a role of enclosing the light source 32, so that the light blocking effect is better, and the light condensing effect is also better. And the light blocking structure 25 further includes a fixing wall 253, and the fixing wall 253 also plays a role in limiting the installation of the light guide 50, so that the light guide 50 is more stably installed on the operation panel 20 and is not easy to displace.

In an embodiment, with continued reference to fig. 5 and fig. 6, a first clamping portion 261 for clamping the connecting plate 51 and first limiting ribs 262 corresponding to two corners of the connecting plate 51 are further protruded from the rear side of the operating panel 20. First joint portion 261's concrete structure does not do the restriction, and it mainly plays front and back direction joint leaded light 50's effect, leaded light 50 is blocked in first joint portion 261, and connecting plate 51 rear side still quilt the structure 25 butt that is in the light, and the concrete structure of first spacing muscle 262 does not do the restriction yet, can understand, first spacing muscle 262 can correspond two bight portions of connecting plate 51 are established to two, also can correspond as a whole the bight setting of connecting plate 51. Each of the first limiting ribs 262 is preferably provided to extend in a substantially L-shape to limit the light guide 50 in two directions. The light guide 50 is thus snap-fitted to the operating panel 20 assembly.

In an embodiment, please refer to fig. 5 and fig. 6, a second clamping portion 271 and a second limiting rib 272 are convexly disposed on the rear side of the operation panel 20, the second clamping portion 271 is used for clamping the main control board 30, and the second limiting rib 272 is disposed corresponding to a plurality of corners of the main control board 30 and is used for limiting the moving stroke of the main control board 30 in the plane thereof. The specific structure of the second clamping portion 271 is not limited, and the second clamping portion mainly plays a role in clamping the electric control board in the front-back direction, so that the electric control board is clamped on the operation panel 20. The specific structure of the second limiting rib 272 is not limited, and it can be understood that the second limiting rib 272 may be divided into two, three, or four portions corresponding to multiple corners of the electronic control board, or may be disposed corresponding to the corners of the electronic control board as a whole. Each of the second limiting ribs 272 is preferably arranged to extend in a substantially L-shape to limit the electric control board in two directions. The electronic control board is thus snap-fitted to the operating panel 20 assembly.

Further, referring to fig. 1 to 5, the operation panel 20 is clamped to the mounting box 10, and the specific clamping structure of the operation panel 20 is not limited, for example, a buckle and a clamping groove may be disposed at a position corresponding to the side wall of the mounting box 10 and the operation panel 20, so that when the operation panel 20 is installed backwards, the operation panel 20 and the mounting box 10 are clamped, and the light guide member 50 and the electric control plate are fixed in the mounting box 10. The mounting box 10 is provided with a wire passing hole 12, a fixing bolt penetrates through the wire passing hole 12 and is used for fixedly mounting the mounting box 10 and compressing an electric wire penetrating through the wire passing hole 12. Therefore, the fixing bolt not only plays a role in fastening the mounting box 10, but also can play a role in pressing the electric wire, and the function of meeting the electric wire tension is achieved. Therefore, an additional line pressing block is not required to be arranged, the whole structure of the mounting box 10 is simpler, and the mounting box is easy to mount and operate.

Preferably, referring to fig. 1 and fig. 4, a supporting rib 11 protrudes forward from the bottom wall of the mounting box 10, and the front side of the supporting rib 11 abuts against the rear side of the main control board 30. In this way, the main control board 30 is limited by the operation panel 20, and the rear side of the main control board 30 is also reliably supported by the mounting box 10, so that the main control board is not easily displaced and is more firmly mounted.

The installation process of the control panel assembly 100 will be described with reference to the above embodiments. First, the mounting box 10 is fixed to a mounting base, such as a housing of the ice chest, by the fixing bolts. At this time, the electric wire is passed out of the wire passing hole 12 and pressed by the fixing bolt. Then, corresponding to the light-transmitting portion 24 of the operation panel 20, the light guide member 50 is clamped at the rear side of the operation panel 20, so that the connecting plate 51 of the light guide member 50 abuts against the operation panel 20, and then the key 40 is inserted into the key through hole 21 to install the key 40, and then the electric control board is clamped into the operation panel 20. Finally, the electric wires and the electric control board are connected, and the assembled operation panel 20 is clamped into the mounting box 10, thereby completing the mounting of the control panel assembly 100. In the present embodiment, only one fixing bolt is needed to achieve multiple fixing during the installation of the operation panel 20, so that the control panel assembly 100 is easy to manufacture and assemble. High production efficiency and low production cost.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (14)

1. A control panel assembly, comprising:

a mounting box having an opening facing the front side;

the operation panel covers the front side of the mounting box and is provided with a key through hole;

the main control board is arranged in the mounting box and is provided with a key potential; and the number of the first and second groups,

the key is movably arranged in the key through hole along the front-back direction and is arranged corresponding to the key potential;

and a waterproof structure is arranged between the operation panel and the key.

2. The control panel assembly of claim 1, wherein the waterproof structure comprises a waterproof rib integrally formed with the operating panel, the waterproof rib is disposed around the periphery of the key hole, the key comprises a cap and a protruding post sequentially disposed along a front-back direction, the waterproof structure further comprises a water retaining ring protruding from a rear side of the cap, an annular gap is formed between an inner side of the water retaining ring and the periphery of the protruding post, the protruding post is disposed through the key hole, and the waterproof rib is inserted into the annular gap.

3. The control panel assembly of claim 2, wherein the front side of the operating panel is concavely provided with a mounting groove, the key through hole is opened on the bottom wall of the mounting groove, the waterproof convex rib is convexly arranged on the bottom wall of the mounting groove, and the cap is accommodated in the mounting groove.

4. A control panel assembly as claimed in claim 3, wherein the side walls of the mounting groove are at least partially inclined forwardly and downwardly.

5. The control panel assembly of claim 1, wherein the main control panel is further provided with a light source, the operation panel is provided with a light-transmitting portion corresponding to the light source, and the control panel assembly further comprises a light guide member, the light guide member being disposed between the light source and the light-transmitting portion.

6. The control panel assembly of claim 5, wherein the light sources are provided in plurality, the light guide member includes a connection plate and a plurality of light guide posts, each of the light guide posts extends from a front side of each of the light sources to the operating panel in a one-to-one correspondence, the connection plate connects each of the light guide posts, and a front side of the connection plate abuts the operating panel.

7. The control panel assembly of claim 6, wherein the rear side of the operation panel is provided with a light blocking structure including a light blocking wall between adjacent two of the light guide posts in a protruding manner.

8. The control panel assembly of claim 7, wherein the light blocking structure further comprises a connecting wall between two adjacent light blocking walls and a fixing wall for clamping the connecting plate, the connecting wall extending along a circumferential direction of the corresponding light source.

9. The control panel assembly of claim 8, wherein the rear side of the operating panel is further provided with a first clamping portion for clamping the connecting plate and first limiting ribs corresponding to two corners of the connecting plate.

10. A control panel assembly as claimed in any one of claims 1 to 9, wherein a rear side of the operating panel is provided with a second catching portion for catching the main control panel and a second limiting rib provided corresponding to a plurality of corners of the main control panel for limiting a moving stroke of the main control panel in a plane thereof.

11. The control panel assembly of claim 10, wherein the operation panel is fastened to the mounting box, a wire passing hole is formed in the mounting box, and a fixing bolt is inserted into the wire passing hole and used for fixedly mounting the mounting box and compressing the electric wire inserted from the wire passing hole.

12. The control panel assembly of claim 10, wherein the bottom wall of the mounting box is protruded with a support rib, and a front side of the support rib abuts against a rear side of the main control panel.

13. An electric appliance characterized by comprising the control panel assembly of any one of claims 1 to 12.

14. The electrical apparatus of claim 13, wherein the electrical apparatus is a refrigerator.

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