CN214760662U

CN214760662U - Control knob, controller applying control knob and oven

Info

Publication number: CN214760662U
Application number: CN202021756582.3U
Authority: CN
Inventors: 李壮; 楼巧圆
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-11-19
Anticipated expiration: 2030-08-20

Abstract

A control knob, a controller applying the control knob and an oven; the method is characterized in that: the knob body is provided with a knob, and the knob body is provided with a knob body; the control panel sets up in knob body inner chamber, and the input of this control panel links to each other with the output electricity of knob encoder, and the output of control panel links to each other with touch-control display panel's input electricity, and touch-control display panel's output electricity connects the main control chip of electrical apparatus equipment. The utility model also discloses an use controller and the oven that has this control knob. The utility model has the advantages that: but touch operation's display screen has been integrated on control knob, not only can realize touch button operation, locks user's visual range to knob department moreover, is favorable to the use of old age group and the not good group of eyesight, has cancelled large tracts of land LED screen simultaneously, has reduced manufacturer's manufacturing cost.

Description

Control knob, controller applying control knob and oven

Technical Field

The utility model relates to a knob structure especially relates to a but control knob of touch-control display screen oven and applied the controller that has this control knob.

Background

Currently, the mechanical knob controlled ovens currently available on the market fall into two categories: the first type is that a plurality of knobs are used for respectively adjusting the temperature, the mode and other functions, wherein the temperature controller belongs to a mechanical type; the second type is to use knob to adjust mode and temperature, while the temperature controller belongs to electronic type. The first type of oven knob has the advantages that the operation logic is simple and clear, but the mechanical temperature controller has the defects of poor precision and low reliability, and the requirement on food needing precise temperature control cooking is difficult to meet; and the second type oven knob has adopted electronic type temperature controller on inheriting easy operation's basis, the contradiction of the first type oven knob has just in time been solved, also be the more knob formula oven that circulates on the market at present, but because knob and digital display screen are independent distribution, still need turn round the head and go to watch the process of regulation when adjusting, and the LED screen has certain observation visual angle, then need spend more energy to accomplish the setting process to the not good crowd of eyesight and old man, the selection of once accomplishing simultaneously still need press the enter key on the display screen and confirm, experience feels extremely poor.

In addition, to the suggestion of mode switch in the adjustment process at present, the damping structure has been designed on the knob, and the operator finger all can have and pause and frustrate the sense once rotating the switch, but existing structure adopts "gear-ball-spring" structure mostly, and wherein the attenuator is realized with periodic fit through a fixed spring, ball and gear groove, and two problems exist in such design: firstly, aiming at different crowds, the damping sense is fixed, the damping is possibly too large or insufficient, and the universality is poor; secondly, along with the live time extension, the wearing and tearing of ball and the teeth of a cogwheel lead to rotatory reliability greatly reduced, and unable the restoration, can only solve through changing switch module, can increase cost of maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that to above-mentioned prior art current situation and provide a simple structure compactness and use more convenient control knob.

The utility model aims to solve the second technical problem that provide a damping and feel adjustable control knob to above-mentioned prior art current situation, this control knob's damping structure is changed simply, conveniently, and cost of maintenance is low.

The utility model discloses the third technical problem that will solve provides the controller that has above-mentioned control knob to above-mentioned prior art current situation.

The fourth technical problem to be solved by the present invention is to provide an oven with the above controller in view of the above prior art.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a control knob, which comprises

A knob encoder having a rotating shaft;

the knob body is fixedly connected to a rotating shaft of the knob encoder and can rotate along with the rotating shaft;

the method is characterized in that: the control knob also comprises

The touch display panel is arranged at the top of the knob body and is used for displaying working parameters of the electrical equipment and realizing touch operation of functional options;

the control panel sets up in the inner chamber of knob body, and the input of this control panel links to each other with the output electricity of knob encoder, and the output of control panel links to each other with touch-control display panel's input electricity, and touch-control display panel's output electricity connects the main control chip of electrical equipment.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the control knob also comprises a shell which is sleeved outside the knob body and can rotate along with the knob body, the shell is radially provided with a through hole, and a damping device which can be abutted against the shell of the knob body is arranged in the through hole; the damping device comprises a ball and a spring which are arranged in the through hole, the damping device further comprises an adjusting screw capable of adjusting the compression amount of the spring, a tooth groove is formed in the outer side wall of the knob body, one end of the spring abuts against the ball, the other end of the spring abuts against the adjusting screw, and the spring has the tendency that the ball is partially exposed out of the through hole all the time and abuts against the tooth groove of the knob body.

For convenience of installation and neat and attractive appearance, preferably, the cross section of the knob body is T-shaped and is provided with a first T-shaped hole cavity, correspondingly, the cross section of the shell is also T-shaped and is provided with a second T-shaped hole cavity which can be matched with the outer contour of the knob body, the control board is accommodated in the T-shaped head concave cavity of the first T-shaped hole cavity, and the touch display panel is fixed on the end face of the first T-shaped hole cavity and is flush with the end face of the second T-shaped hole cavity.

In order to ensure the operation hand feeling, as a further preferable mode, the tooth socket is arranged on the outer side wall of the T-shaped head of the knob body, correspondingly, the through hole is radially arranged on the outer side wall of the T-shaped head of the shell, the cross section of the through hole is in a T shape, the adjusting screw is provided with a large end part which can be axially limited on the T-shaped step surface of the through hole, and the axial limiting of the adjusting screw can be realized.

In order to facilitate the hand touch operation and simultaneously facilitate the observation of the working parameters under various functions, preferably, the touch display panel is provided with a working parameter display area and a function option touch area, and the control panel is provided with at least one nixie tube corresponding to the working parameter display area and at least one function key corresponding to the function option touch area.

In order to realize the reliable connection between the knob body and the knob encoder, preferably, the rotating shaft of the knob encoder is located at the center of the knob encoder, and the rotating shaft is provided with an annular clamping groove for inserting and fixing the bottom of the knob body.

The utility model provides a technical scheme that above-mentioned third technical problem adopted does: the controller with the control knob is characterized by comprising

The panel glass is provided with a first mounting hole for the control knob to pass through, and functional icons corresponding to various working mode options of the electrical equipment are further arranged on the panel glass along the periphery of the control knob;

the control lining plate is arranged below the panel glass, and a second mounting hole for mounting the panel glass is formed in the control lining plate;

and

the mounting box is fixedly arranged on a control panel of the electrical equipment, the mounting box is connected below the control lining plate, and a third mounting hole for mounting and positioning the knob encoder of the control knob is formed in the mounting box.

The utility model provides a technical scheme that above-mentioned fourth technical problem adopted does: the utility model provides an oven, is including the oven door body and set up the control panel on this oven door body, its characterized in that: the control panel is provided with the controller.

Compared with the prior art, the utility model has the advantages of:

1. the touch display screen is integrated on the control knob, so that touch key operation can be realized, the visual range (working parameter display) of a user is locked at one position of the knob, the use of the old and the people with poor eyesight is facilitated, and meanwhile, the production cost of manufacturers is reduced due to the fact that a large-area LED screen is omitted;

2. the control knob is provided with the mechanical adjustable damping device, so that the corresponding comfortable damping feeling can be adjusted according to different users, and the user experience is greatly improved; after electrical equipment uses a certain age, tooth's socket on the knob body is likely to be worn, and as long as the adjusting screw in the damping device is properly finely adjusted to the compression amount of the spring, the original damping feeling can be recovered, so that the maintainability of the knob is greatly improved, the maintenance cost is reduced, and the reliability of a customer on a manufacturer is further improved.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a control knob according to an embodiment of the present invention.

Fig. 2 is a sectional view of the control knob assembly according to the embodiment of the present invention.

Fig. 3 is an exploded perspective view of a control knob according to an embodiment of the present invention.

Fig. 4 is an exploded perspective view of a controller to which a control knob according to an embodiment of the present invention is applied.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In order to improve the use comfort of old person and the not good crowd of eyesight, this embodiment discloses an integrated display screen and adjustable control knob of damping, and this control knob can be used to the oven, also can be used to in other all kinds of electrical equipment.

As shown in fig. 1 to fig. 3, the control knob of the present embodiment includes a knob encoder 1, a knob body 2, a housing 3, a touch display panel 4, a control board 5 and a damping device 6, an input end of the control board 5 is electrically connected to an output end of the knob encoder 1, an output end of the control board 5 is electrically connected to an input end of the touch display panel 4, and an output end of the touch display panel 4 is electrically connected to a main control chip of the electrical device.

Wherein, the cross-section of knob body 2 is the T shape and has seted up first T shape vestibule 21, easy to assemble, 3 covers of casing are located outside knob body 2 and can rotate along with knob body 2, the cross-section of this casing 3 also is the T shape and sets up the second T shape vestibule 31 that can with the outline looks adaptation of knob body 2, in order to make whole control knob outward appearance clean and tidy pleasing to the eye, control panel 5 holding is in the T shape head cavity of first T shape vestibule 21, touch-control display panel 4 is fixed in on the terminal surface of first T shape vestibule 21 and the terminal surface looks parallel and level with second T shape vestibule 31.

The touch display panel 4 is used for displaying working parameters of the electrical equipment and realizing touch operation of functional options; in order to facilitate the hand touch operation, the central area of the touch display panel 4 is provided with a square working parameter display area 41, in order to facilitate the observation of the working parameters in various functional modes, the touch display panel 4 is further provided with a strip-shaped function option touch area 42 on one side of the square working parameter display area 41, and correspondingly, the control board 5 is provided with at least one nixie tube corresponding to the working parameter display area 41 and at least one function key corresponding to the function option touch area 42.

The outer side wall of the T-shaped head of the knob body 2 is provided with a tooth groove 22, correspondingly, the outer side wall of the T-shaped head of the shell 3 is radially provided with a through hole 32, and a damping device 6 which can be abutted against the shell of the knob body 2 is arranged in the through hole 32; referring to fig. 2 and 3, the damping device 6 includes a ball 61 and a spring 62 disposed in the through hole 32, the damping device 6 further includes an adjusting screw 63 capable of adjusting the compression amount of the spring 62, the cross section of the through hole 32 is T-shaped, the adjusting screw 63 has a large end portion capable of being axially limited on the T-shaped step surface of the through hole 32, and the axial limit of the adjusting screw 63 can be realized; the outer side wall of the knob body 2 is formed with a tooth groove 22, one end of a spring 62 is abutted against the ball 61, the other end of the spring 62 is abutted against an adjusting screw 63, and the spring 62 has a tendency that the ball 61 is always partially exposed out of the through hole 32 and is abutted against the tooth groove 22 of the knob body 2; thereby through the volume of compression of adjusting screw 63 stretching into position in through-hole 32 change spring 62, change the contact dynamics between ball 61 and the tooth's socket 22 of knob body 2 from this, the final effect embodies the operation and momentarily frustrates and feels, only relies on the rotation of control knob to feel can realize the gear switching in the rotatory operation process, need not to set up the scale in addition. When a customer purchases an electrical equipment product provided with the control knob, the installation master can be required to adjust the damping force of the knob during the installation of the upper door, so that the pause and pause feeling according with personal use habits is achieved, and the use comfort of the product is improved.

The knob encoder 1 of the present embodiment is an existing device, and is a precision sensor that can convert a mechanical rotation angle of a rotating shaft 11 into a digital signal for output; the knob encoder 1 is provided with a rotating shaft 11, the rotating shaft 11 is positioned in the center of the knob encoder 1, a wiring outlet 12 of the knob encoder 1 is formed in the center of the rotating shaft 11, an annular clamping groove 111 for inserting and fixing the bottom of the knob body 2 is further formed in the rotating shaft 11, the knob body 2 is fixedly connected to the rotating shaft 11 of the knob encoder 1 and can rotate along with the rotating shaft 11, and the bottom of the shell 3 is sleeved outside the rotating shaft 11; then, when the housing 3 of the control knob is rotated, the housing 3 and the knob body 2 rotate together with the rotating shaft 11 of the knob encoder 1, the output signal of the knob encoder 1 is fed back to the touch display panel 4 through the control board 5, and the user selects and confirms the working mode by operating the touch keys on the touch display panel 4.

As shown in fig. 4, the present embodiment further provides a controller using the control knob, the controller includes a control knob, a panel glass 7, a control lining plate 8 and a mounting box 9, the panel glass 7 is provided with a first mounting hole 72 for the control knob to pass through, in order to facilitate the selection of the functional mode by the user, the control knob uniformly distributes the functional icons 71 of various working mode options on the corresponding panel glass 7 along the outer ring of the housing 3; the control lining plate 8 is arranged below the panel glass 7, and a second mounting hole 81 for mounting the panel glass 7 is formed in the control lining plate 8; the mounting box 9 is fixedly arranged on a control panel of the electrical equipment, the mounting box 9 is connected below the control lining plate 8, and a third mounting hole 91 for mounting and positioning the knob encoder 1 of the control knob is formed in the mounting box 9.

In order to improve the assembly performance and the maintainability of the operation knob, in the embodiment, an easily-distinguished shaft hole positioning mode is adopted, firstly, the knob encoder 1 is fixedly installed, then, the knob body 2, the shell 3, the panel glass 7, the control lining plate 8 and the installation box 9 are sequentially assembled in a hole-shaft positioning mode, the number of assembly constraints of the hole-shaft positioning mode is two, the installation is simpler when the constraints are fewer, and the control knob and the controller of the embodiment are simple in integral installation structure and convenient to disassemble and maintain.

The controller of the embodiment can be applied to various electrical equipment, and particularly can be applied to oven equipment.

The operation method of the control knob according to the present invention will be described in detail with reference to an oven as an example. The method comprises the following specific steps:

1. selection function

Touching the "power on key" on the touch display panel 4 → rotating the control knob to select the "cooking mode" → touching the "enter key" on the touch display panel 4;

if reselected: press the "back key" on the touch display panel 4, and then repeat: rotate select "cook mode" → touch "enter key";

2. set temperature

After the cooking mode is selected, the control knob is rotated to set a temperature → touching a confirmation key on the touch display panel 4;

if reselected: press "back key" and then repeat: rotate set temperature → touch "enter key";

3. setting the duration of baking

After the temperature setting is determined, the control knob is rotated to set a "cooking time period" → touching a "enter key" on the touch display panel 4, and the oven starts operating.

Every time the control knob is rotated, the function icon 71 which flickers and jumps on the touch display panel 4 is prompted, and compared with the operation mode that one traditional function icon corresponds to one touch key, the visual area is concentrated in the range close to the knob in the embodiment, so that the visual blind area of the LED screen is avoided, and the experience of an operator is improved.

Claims

1. A control knob, which comprises

A knob encoder (1) having a rotating shaft (11);

the knob body (2) is fixedly connected to a rotating shaft (11) of the knob encoder (1) and can rotate along with the rotating shaft (11);

the method is characterized in that: the control knob also comprises

The touch display panel (4) is arranged at the top of the knob body (2), and the touch display panel (4) is used for displaying working parameters of electrical equipment and realizing touch operation of functional options;

control panel (5), set up in the inner chamber of knob body (2), the input of this control panel (5) links to each other with the output electricity of knob encoder (1), and the output of control panel (5) links to each other with the input electricity of touch-control display panel (4), and the main control chip of electric appliance equipment is connected to the output electricity of touch-control display panel (4).

2. The control knob according to claim 1, wherein: the control knob further comprises a shell (3) which is sleeved outside the knob body (2) and can rotate along with the knob body (2), the shell (3) is radially provided with a through hole (32), and a damping device (6) which can be abutted against the shell of the knob body (2) is arranged in the through hole (32); the damping device (6) comprises a ball (61) and a spring (62) which are arranged in the through hole (32), the damping device (6) further comprises an adjusting screw (63) capable of adjusting the compression amount of the spring (62), a tooth groove (22) is formed in the outer side wall of the knob body (2), one end of the spring (62) abuts against the ball (61), the other end of the spring (62) abuts against the adjusting screw (63), and the spring (62) has the tendency that the ball (61) is partially exposed out of the through hole (32) all the time and abuts against the tooth groove (22) of the knob body (2).

3. The control knob according to claim 2, wherein: the cross section of the knob body (2) is T-shaped and is provided with a first T-shaped hole cavity (21), correspondingly, the cross section of the shell (3) is also T-shaped and is provided with a second T-shaped hole cavity (31) matched with the outer contour of the knob body (2), the control panel (5) is accommodated in the T-shaped head concave cavity of the first T-shaped hole cavity (21), and the touch display panel (4) is fixed on the end face of the first T-shaped hole cavity (21) and is flush with the end face of the second T-shaped hole cavity (31).

4. The control knob according to claim 3, wherein: the outer side wall of the T-shaped head of the knob body (2) is provided with the tooth grooves (22), correspondingly, the outer side wall of the T-shaped head of the shell (3) is radially provided with the through hole (32), the section of the through hole (32) is in a T shape, and the adjusting screw (63) is provided with a large end part which can be axially limited on the T-shaped step surface of the through hole (32).

5. The control knob according to claim 1, wherein: the touch control display panel (4) is provided with a working parameter display area (41) and a function option touch area (42), and the control panel (5) is provided with at least one nixie tube corresponding to the working parameter display area (41) and at least one function key corresponding to the function option touch area (42).

6. The control knob according to claim 1, wherein: the rotary shaft (11) of the knob encoder (1) is positioned in the center of the knob encoder (1), and the rotary shaft (11) is provided with an annular clamping groove (111) for inserting and fixing the bottom of the knob body (2).

7. A controller using the control knob according to any one of claims 1 to 6, wherein: the controller comprises

The panel glass (7) is provided with a first mounting hole (72) through which the control knob can pass, and function icons (71) corresponding to various working mode options of the electrical equipment are further arranged on the panel glass (7) along the periphery of the control knob;

the control lining plate (8) is arranged below the panel glass (7), and a second mounting hole (81) for mounting the panel glass (7) is formed in the control lining plate (8);

and

mounting box (9), fixed the setting on electrical equipment's control panel, this mounting box (9) are connected in the below of control welt (8), have seted up on mounting box (9) and have supplied control knob's knob encoder (1) third mounting hole (91) of installation location.

8. The utility model provides an oven, is including the oven door body and set up the control panel on this oven door body, its characterized in that: the control panel is provided with the controller as claimed in claim 7.