CN210294920U

CN210294920U - Knob panel and control device

Info

Publication number: CN210294920U
Application number: CN201921723970.9U
Authority: CN
Inventors: 朱旭东; 赵良; 臧其甫
Original assignee: Shanghai Huaxing Digital Technology Co Ltd
Current assignee: Shanghai Huaxing Digital Technology Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-04-10
Anticipated expiration: 2029-10-12

Abstract

The utility model provides a knob panel and a control device, relating to the technical field of control devices, wherein the knob panel comprises a shaft body, a rotating part, a fixing part and a knob component; the rotating piece is movably sleeved on the shaft body and can rotate around the axis of the shaft body; the fixed part is fixedly sleeved on the shaft body, and the end face of the fixed part, which is far away from the movable part, is used for arranging a marking part; the knob assembly is sleeved on the outer sides of the rotating part and the fixing part and is fixedly connected with the rotating part, and the end face of the knob assembly is transparent. When the knob subassembly rotates, can drive and rotate the piece and rotate around the axis of axis body to the mounting is fixed on the axis body, and the mounting is not rotatory along with the rotation of knob subassembly, thereby makes the identification piece rotatory along with the rotation of knob subassembly, and the identification piece can be located suitable position all the time, lets the user be convenient for observe the identification piece, improves the convenience of using.

Description

Knob panel and control device

Technical Field

The utility model belongs to the technical field of controlling means technique and specifically relates to a knob panel and controlling means are related to.

Background

The knob panel can generate corresponding signal output according to the left-handed, right-handed and pressing actions of a user, so that the differentiation of various operations of the user is realized, and the knob panel is widely applied to various electric appliance control occasions.

The knob panel in the prior art comprises a main shaft, a movable block and a knob shell, wherein the movable block is rotatably sleeved on the main shaft, the knob shell is fixedly sleeved on the movable block, and the movable block can be driven to rotate around the axis of the main shaft when the knob shell rotates around the axis of the main shaft.

The outer end face of the knob housing is usually provided with a logo pattern, and then when the knob housing is rotated, the logo pattern on the outer end face of the knob housing is also rotated together with the knob housing, causing inconvenience in observing the logo pattern on the outer end face of the knob housing by a user.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a knob panel to solve the technical problem in the prior art that it is inconvenient for a user to observe the identification pattern on the outer end surface of the knob housing.

The utility model provides a knob panel, which comprises a shaft body, a rotating part, a fixing part and a knob component;

the rotating piece is movably sleeved on the shaft body and can rotate around the axis of the shaft body;

the fixed part is fixedly sleeved on the shaft body, and the end face of the fixed part, which is far away from the rotating part, is used for arranging a marking part;

the knob subassembly cover is established rotate the piece with the outside of mounting, just the knob subassembly with rotate a fixed connection, the terminal surface of knob subassembly is transparent.

Further, the knob assembly further comprises a transparent protective cover and a knob shell;

the transparent protective cover is sleeved on the outer sides of the rotating piece and the fixing piece and is fixedly connected with the rotating piece;

the knob shell is fixedly sleeved on the transparent protective cover, and the end face of the knob shell is transparent.

Furthermore, a spring and a top rod are arranged on the end face, facing the fixed part, of the rotating part, and the top rod, the spring and the end face, facing the fixed part, of the rotating part are sequentially and fixedly connected;

the mounting orientation be equipped with a plurality of arcuation recesses on the terminal surface of rotating the piece, it is a plurality of arcuation recess is followed the circumference interval of mounting sets up, the ejector pin can be followed a plurality ofly the arcuation recess slides in proper order.

Further, a plurality of the arc-shaped grooves are uniformly arranged at intervals along the circumferential direction of the fixing piece, and two adjacent arc-shaped grooves are arranged at an interval of 15 degrees.

Further, the knob panel further comprises a knob PCB and a main control PCB;

the knob PCB is fixed between the fixed part and the identification part, and an encoder is arranged on the end face of the knob PCB facing the rotating part;

a plurality of light shielding grating fences are arranged on the end face, facing the knob PCB, of the rotating piece, and the light shielding grating fences are uniformly arranged at intervals along the circumferential direction of the rotating piece;

the encoder can collect the angular displacement information of the shading grating fence and send the angular displacement information to the main control PCB, and the main control PCB can calculate gear information according to the angular displacement information of the shading grating fence.

Furthermore, a plurality of LED lamps are arranged on the main control PCB, and the main control PCB can control the LED lamps corresponding to the gear information to be turned on according to the gear information.

Further, the knob panel further comprises an inner lining plate;

the inner lining plate is provided with a through hole, the shaft body is inserted into the through hole, and the shaft body is in clearance fit with the through hole;

limiting ribs are arranged on the side wall formed by the through hole and the inner lining plate; two limiting parts which are oppositely arranged at intervals are arranged on the side wall of the shaft body along the axial direction of the shaft body; the limiting ribs are arranged between the two limiting parts.

Further, the main control PCB is arranged on one side, away from the rotating part, of the inner lining plate; the inner lining plate is provided with a plurality of grids, and the grids and the LED lamps are arranged in a one-to-one corresponding and opposite mode.

Further, the knob panel further comprises a lower cover;

the main control PCB board is arranged in the lower cover, the main control PCB board is provided with a snap dome, the lower cover faces the end face of the main control PCB board and is provided with a bulge, and the bulge is in contact with the snap dome facing the end face of the bulge.

An object of the utility model is to provide a control device still, include the utility model provides a knob panel.

The utility model provides a knob panel, which comprises a shaft body, a rotating part, a fixing part and a knob component; the rotating piece is movably sleeved on the shaft body and can rotate around the axis of the shaft body; the fixed part is fixedly sleeved on the shaft body, and the end face of the fixed part, which is far away from the rotating part, is used for arranging a marking part; the knob subassembly cover is established rotate the piece with the outside of mounting, just the knob subassembly with rotate a fixed connection, the terminal surface of knob subassembly is transparent. During the assembly, the knob subassembly cover is established in the mounting and is rotated the piece outside, knob subassembly and rotation piece fixed connection, and see through the knob subassembly and can see the identification member, when rotating with the knob subassembly, can drive and rotate the axis rotation around the axis body, and the mounting is fixed on the axis body, the mounting is not rotatory along with the rotation of knob subassembly, thereby it is rotatory not along with the rotation of knob subassembly to make the identification member, the identification member can be located suitable position all the time, let and use the identification member of being convenient for observe, the convenience of use is improved.

Drawings

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

Fig. 1 is a schematic structural diagram of a knob panel according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fixing member in a knob panel according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a rotating member in a knob panel according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

fig. 5 is a schematic structural diagram of a cover plate in a knob panel according to an embodiment of the present invention.

Icon: 1-a knob housing; 2-transparent protective cover; 3-a marker; 4-knob PCB board; 5-a fixing piece; 51-arc-shaped grooves; 6-O-shaped ring; 7-a rotating member; 71-a shading fence; 8-cover plate; 81-annular protrusion; 9-shaft body; 10-inner lining plate; 101-a grid; 11-master control PCB board; 111-LED lamps; 112-metal dome sheet; 12-lower cover; 121-projection.

Detailed Description

The technical solution of the present invention will be described in detail and initially with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

An embodiment of the utility model provides a knob panel and controlling means, it is right to give a plurality of embodiments below the utility model provides a knob panel and controlling means.

The knob panel provided in this embodiment, as shown in fig. 1 to 5, includes a shaft 9, a rotating member 7, a fixing member 5, and a knob assembly; the rotating part 7 is movably sleeved on the shaft body 9, and the rotating part 7 can rotate around the axis of the shaft body 9; the fixing part 5 is fixedly sleeved on the shaft body 9, and the end face, away from the rotating part 7, of the fixing part 5 is used for arranging the identification part 3; the knob assembly is sleeved on the outer sides of the rotating piece 7 and the fixing piece 5, the knob assembly is fixedly connected with the rotating piece 7, and the end face of the knob assembly is transparent.

During the assembly, the knob subassembly cover is established in mounting 5 and is rotated 7 outsides, the knob subassembly with rotate 7 fixed connection, and see through the knob subassembly and can see identification member 3, when rotating with the knob subassembly, can drive and rotate 7 axis rotations around axis body 9, and mounting 5 is fixed on axis body 9, mounting 5 is not rotatory along with the rotation of knob subassembly, thereby make identification member 3 not rotatory along with the rotation of knob subassembly, identification member 3 can be located suitable position all the time, let and use the observation identification member 3 of being convenient for, the convenience of use is improved.

The fixing member 5 may be engaged with the shaft 9, or may be bonded to the shaft 9 in any suitable manner.

The fixing member 5 may have any suitable form such as a block structure or a sheet structure. The rotor 7 may be of any suitable form, such as a block-like structure or a sheet-like structure. The marker 3 may be of any suitable form, such as a sheet-like structure or a plate-like structure.

In this embodiment, the fixed member 5 and the rotating member 7 are both circular block-shaped.

Wherein, the knob subassembly can include the knob casing, and the knob casing can be established in the outside of mounting 5 and rotation piece 7 to the knob casing with rotate 7 joints, the terminal surface of knob casing is transparent, so that sign piece 3 can see through the terminal surface of knob casing and be seen by the user.

Preferably, the knob assembly further comprises a transparent protective cover 2 and a knob housing 1; the transparent protective cover 2 is sleeved on the outer sides of the rotating piece 7 and the fixed piece 5, and the transparent protective cover 2 is fixedly connected with the rotating piece 7; the knob shell 1 is fixedly sleeved on the transparent protective cover 2, and the end face of the knob shell 1 is transparent.

The transparent protecting cover 2 and the rotating piece 7 can be clamped, and can also be in any suitable connection mode such as bonding.

Transparent protective cover 2 is made by the printing opacity material, can expose sign piece 3 to transparent protective cover 2 sets up at knob shell 1 and rotates between piece 7 and the mounting 5, can play better guard action, prevents to rotate piece 7 and the damage of mounting 5.

The knob shell 1 is a stressed part which is directly contacted with the outside, and an anti-skid, waterproof and dustproof structure can be arranged on the knob shell 1.

The knob shell 1 and the transparent protective cover 2 can be clamped and can also be connected in any suitable connection mode such as bonding and the like.

The end face of the knob housing 1 can be made of a transparent material to expose the identification member 3, and can also be of a hollow structure to expose the identification member 3.

Furthermore, a spring and a mandril are arranged on the end surface of the rotating part 7 facing the fixed part 5, and the mandril, the spring and the end surface of the rotating part 7 facing the fixed part 5 are sequentially and fixedly connected; the end face of the fixed part 5 facing the rotating part 7 is provided with a plurality of arc-shaped grooves 51, the arc-shaped grooves 51 are arranged at intervals along the circumferential direction of the fixed part 5, and the mandril can slide along the arc-shaped grooves 51 in sequence.

The rotating part 7 and the fixed part 5 are sequentially arranged along the axial direction of the shaft body 9, wherein a group of springs and ejector rods can be arranged on the end surface of the rotating part 7 facing the fixed part 5, or a plurality of groups of springs and ejector rods can be arranged, the rotating force of the rotating part 7 can be adjusted by increasing or decreasing the number of the springs and the ejector rods, and the smaller the number of the springs and the ejector rods is, the smaller the rotating force is; the magnitude of the rotational force can also be adjusted by adjusting the elastic force of the spring. In this embodiment, four sets of springs and ejector rods are provided, and the interval between two adjacent sets of springs and ejector rods is 90 °.

The connection mode between the ejector rod, the spring and the end face of the rotating part 7 facing the fixing part 5 can be clamping connection, and can also be any suitable mode such as bonding connection.

In this embodiment, rotate and be equipped with the recess on the terminal surface of piece 7 orientation mounting 5, the spring joint is in the recess, ejector pin and spring joint, and the ejector pin can be towards or keep away from to rotate the terminal surface flexible of piece 7 orientation mounting 5.

One end of the ejector rod extends into the arc-shaped groove 51, when the rotating piece 7 rotates, the ejector rod sequentially slides along the arc-shaped grooves 51 around the axis of the ejector shaft, 360-degree bidirectional free rotation of the knob shell can be achieved, and good damping feeling and poking hand feeling are kept.

Preferably, the arc-shaped grooves 51 are uniformly arranged along the circumferential direction of the fixing member 5 at intervals, and two adjacent arc-shaped grooves 51 are arranged at intervals of 15 °, so that the knob housing 1 can keep good damping feeling and poking feeling.

Further, the knob panel also comprises a knob PCB 4 and a main control PCB 11; the knob PCB 4 is fixed between the fixed part 5 and the identification part 3, and an encoder is arranged on the end face, facing the rotating part 7, of the knob PCB 4; a plurality of shading gratings 71 are arranged on the end surface of the rotating piece 7 facing the knob PCB 4, and the shading gratings 71 are uniformly arranged at intervals along the circumferential direction of the rotating piece 7; the encoder can gather the angular displacement information of the shading grating bar 71 and send the angular displacement information to the main control PCB board 11, and the main control PCB board 11 can calculate the gear information according to the angular displacement information of the shading grating bar 71.

The encoder can gather the angle displacement information of any one shading grating fence 71 and send to main control PCB board 11, and the MCU of main control PCB board 11 passes through logical operation according to rotating 7 pivoted angle, can calculate and rotate the gear change that the rotation in-process corresponds of 7 to the realization is to the accurate control of gear.

Further, a plurality of LED lamps 111 are arranged on the main control PCB 11, and the main control PCB 11 can control the LED lamps 111 corresponding to the gear information to be turned on according to the gear information.

Specifically, the MCU of the main control PCB board 11 can turn on the LED lamp 111 corresponding to the gear information by controlling the output signal of the LED lamp 111 to display the change of the gear in the rotation process of the rotating member 7, which is more convenient for observation.

The MCU is a micro control Unit (Microcontroller Unit), which is also called a single chip Microcomputer (single chip Microcomputer) or a single chip Microcomputer.

Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, is a support for electronic components, and is a carrier for electrical connection of electronic components.

Further, the knob panel further includes an inner lining plate 10; the inner lining plate 10 is provided with a through hole, the shaft body 9 is inserted into the through hole, and the shaft body 9 is in clearance fit with the through hole; limiting ribs are arranged on the side wall formed by the through hole and the inner lining plate 10; along the axial direction of the shaft body 9, two limiting parts which are oppositely arranged at intervals are arranged on the side wall of the shaft body 9; the limiting rib is arranged between the two limiting parts.

Wherein, the axis body 9 and through-hole clearance fit can make the axis body 9 go up and down for interior welt 10 to drive knob shell 1 and push down and bounce.

In this embodiment, the clearance of interior welt 10 and axis body 9 is 0.1mm, can prevent that axis body 9 from rocking betterly to prevent that knob shell 1 from rocking.

Spacing muscle sets up between two locating parts, when the knob is pressing down the operation, can restrict the displacement of axis body 9 along the vertical direction, makes the main shaft all have spacingly pushing down and bounce the in-process, and the main shaft can push down or bounce to suitable position to improve the stability of knob operation. The axis body 9 passes through and is overlapped on the apron 8, and the protruding 81 position of silica gel ring-shaped on the apron 8 wraps up around the axis body 9. The silicon rubber ring-shaped protrusion 81 on the cover plate 8 supports the shaft body 9, the rotating member 7, the fixing member 5 and other parts without pressing action. After the shaft body 9 is pressed, the part of the silica gel annular bulge 81 is stressed to deform downwards; after the pressing is released, the shaft body 9 returns to the original position along with the restoration of the silicone rubber annular protrusion 81, i.e. bounces.

Further, the main control PCB board 11 is disposed on a side of the inner lining board 10 away from the rotating member 7; the inner liner 10 is provided with a plurality of grids 101, and the plurality of grids 101 and the plurality of LED lamps 111 are arranged in one-to-one correspondence.

The light of each LED lamp 111 can be upwards transmitted to the panel through the grids 101 corresponding to the LED lamps 111, the grids 101 are arranged in one-to-one correspondence with the LED lamps 111, the light of the LED lamps 111 can be separated, and the LED lamps 111 are prevented from being mixed.

Among them, the LED is a light emitting Diode (light emitting Diode), which is a semiconductor device.

Further, the knob panel further includes a lower cover 12; the main control PCB board 11 is arranged in the lower cover 12, a snap dome 112 is arranged on the main control PCB board 11, a protrusion 121 is arranged on the end face, facing the main control PCB board 11, of the lower cover 12, and the protrusion 121 is in contact with the end face, facing the protrusion 121, of the snap dome 112.

In the process that the shaft body 9 is pressed down, the shaft body 9 presses the snap dome 112, and the bulge 121 can support the snap dome 112, so that the snap dome 112 is prevented from being deformed and affecting use due to long-term pressing.

In addition, the knob panel further comprises a cover plate 8, the cover plate 8 covers the lower cover 12, the shaft body 9 penetrates through the cover plate 8, and the rotating part 7 and the fixing part 5 are located on one side, far away from the lower cover 12, of the cover plate 8.

In the embodiment, the large-stroke dome sheet 112 is adopted, so that a comfortable feedback hand feeling is provided while the switching function is realized.

When the knob panel provided by the embodiment is assembled, the following steps can be carried out:

the shaft body 9 is provided with an O-shaped ring 6, and then is sleeved with a cover plate 8. The matching position of the shaft body 9 and the cover plate 8 is provided with an annular bulge 81 along the circumferential direction of the shaft body 9, and the shaft body 9 and the annular bulge 81 are in interference fit to realize good sealing. The thickness of the annular bulge 81 is gradually reduced from one end facing the cover plate 8 to one end far away from the cover plate 8 along the axial direction of the shaft body 9, so that the influence of the cover plate 8 on the hand feeling of pressing the shaft body 9 is reduced, and good pressing hand feeling is realized;

the rotating piece 7 is arranged on the shaft body 9, and the O-shaped ring 6 is sleeved on the rotating piece 7, so that the sealing capacity between the rotating piece 7 and the transparent protective cover 2 is improved by the O-shaped ring 6;

a spring and an ejector rod are arranged on the rotating part 7, lubricating grease is coated on the ejector rod, and the fixing part 5 is arranged on the shaft body 9, so that the ejector rod extends into a groove on the shaft body 9;

a knob PCB 4 is arranged above the fixing piece 5, and an FPC wire passes through the middle of the fixed shaft; the FPC is a flexible printed circuit board which is made of polyimide or polyester film as a base material and has high reliability and excellent flexibility; the FPC wire is a connecting wire group which can be bent within a certain degree;

installing the identification piece 3 on the knob PCB 4, and buckling the transparent protective cover 2 on the rotating piece 7 and the fixed piece 5 to fix the transparent protective cover 2 and the rotating piece 7;

the transparent protective cover 2 is buckled with the knob shell 1, so that the knob shell 1 is fixed with the transparent protective cover 2;

inserting the shaft body 9 into the inner lining plate 10, and straightening the FPC wire;

attaching the dome sheet 112 on the main control PCB 11, connecting the main control PCB 11 with the knob PCB 4 by using an FPC (flexible printed circuit) wire, and fixing the main control PCB 11 and the lining board 10 by using self-tapping screws;

the cover plate 8 and the lower cover 12 are bonded and sealed by silica gel.

The knob panel that this embodiment provided, during the assembly, the knob cover is established at mounting 5 and rotates 7 outsides, the knob with rotate 7 fixed connection of piece, and see through the knob and can see identification member 3, when rotating with the knob, can drive and rotate 7 axis rotations around axis body 9, and mounting 5 is fixed on axis body 9, mounting 5 is not rotatory along with the rotation of knob, thereby make identification member 3 not rotatory along with the rotation of knob, identification member 3 can be located suitable position all the time, let the user be convenient for observe identification member 3, the convenience of using is improved.

In addition, the knob panel provided by the embodiment can be further provided with keys.

The control device provided by the embodiment comprises the knob panel provided by the embodiment. During the assembly, the knob subassembly cover is established in mounting 5 and is rotated 7 outsides, the knob subassembly with rotate 7 fixed connection, and see through the knob subassembly and can see identification member 3, when rotating with the knob subassembly, can drive and rotate 7 axis rotations around axis body 9, and mounting 5 is fixed on axis body 9, mounting 5 is not rotatory along with the rotation of knob subassembly, thereby make identification member 3 not rotatory along with the rotation of knob subassembly, identification member 3 can be located suitable position all the time, let the user be convenient for observe identification member 3, the convenience of use is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The knob panel is characterized by comprising a shaft body (9), a rotating piece (7), a fixing piece (5) and a knob assembly;

the rotating piece (7) is movably sleeved on the shaft body (9), and the rotating piece (7) can rotate around the axis of the shaft body (9);

the fixing piece (5) is fixedly sleeved on the shaft body (9), and the end face, far away from the rotating piece (7), of the fixing piece (5) is used for arranging the identification piece (3);

the knob subassembly cover is established rotate piece (7) with the outside of mounting (5), just the knob subassembly with rotate piece (7) fixed connection, the terminal surface of knob subassembly is transparent.

2. The knob panel according to claim 1, characterized in that the knob assembly further comprises a transparent protective cover (2) and a knob housing (1);

the transparent protective cover (2) is sleeved on the outer sides of the rotating piece (7) and the fixing piece (5), and the transparent protective cover (2) is fixedly connected with the rotating piece (7);

the knob shell (1) is fixedly sleeved on the transparent protective cover (2), and the end face of the knob shell (1) is transparent.

3. The rotary knob panel according to claim 1, wherein a spring and a push rod are provided on an end surface of the rotating member (7) facing the fixed member (5), and the push rod, the spring and the end surface of the rotating member (7) facing the fixed member (5) are fixedly connected in sequence;

fixing piece (5) orientation be equipped with a plurality of arcuation recesses (51), a plurality of on the terminal surface of rotating piece (7) arcuation recess (51) are followed the circumference interval of fixing piece (5) sets up, the ejector pin can be followed a plurality ofly arcuation recess (51) slides in proper order.

4. The knob panel according to claim 3, wherein a plurality of the arc-shaped grooves are uniformly spaced along a circumferential direction of the fixing member, and adjacent two of the arc-shaped grooves are spaced at 15 °.

5. The knob panel according to claim 1, further comprising a knob PCB board (4) and a master PCB board (11);

the knob PCB (4) is fixed between the fixing piece (5) and the identification piece (3), and an encoder is arranged on the end face, facing the rotating piece (7), of the knob PCB (4);

a plurality of shading fences (71) are arranged on the end face, facing the knob PCB (4), of the rotating piece (7), and the shading fences (71) are uniformly arranged at intervals along the circumferential direction of the rotating piece (7);

the encoder can collect the angular displacement information of the shading grating fence (71) and send the angular displacement information to the main control PCB (11), and the main control PCB (11) can calculate gear information according to the angular displacement information of the shading grating fence (71).

6. The rotary knob panel according to claim 5, wherein a plurality of LED lamps (111) are disposed on the main control PCB (11), and the main control PCB (11) can control the LED lamps (111) corresponding to the gear information to be turned on according to the gear information.

7. The knob panel according to claim 6, further comprising an inner lining plate (10);

a through hole is formed in the inner lining plate (10), the shaft body (9) is inserted into the through hole, and the shaft body (9) is in clearance fit with the through hole;

limiting ribs are arranged on the side wall formed by the through hole and the inner lining plate (10); two limiting parts which are oppositely arranged at intervals are arranged on the side wall of the shaft body (9) along the axial direction of the shaft body (9); the limiting ribs are arranged between the two limiting parts.

8. The knob panel according to claim 7, characterized in that the master PCB board (11) is disposed on a side of the inner lining board (10) remote from the rotation piece (7); the inner lining plate (10) is provided with a plurality of grids (101), and the grids (101) and the LED lamps (111) are arranged in a one-to-one corresponding mode.

9. The knob panel according to claim 8, further comprising a lower cover (12);

the main control PCB board (11) is arranged in the lower cover (12), a snap dome (112) is arranged on the main control PCB board (11), the lower cover (12) faces towards the end face of the main control PCB board (11) and is provided with a bulge (121), and the bulge (121) faces towards the end face of the bulge (121) and is in contact with the end face of the snap dome (112).

10. A control device comprising the knob panel of any one of claims 1-9.