CN115840490A

CN115840490A - Control device of magnetic knob and control method of magnetic knob

Info

Publication number: CN115840490A
Application number: CN202111101843.7A
Authority: CN
Inventors: 任富佳; 李信合; 张富元; 方宇佳; 周定锋
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2023-03-24

Abstract

The invention provides a control device and a control method of a magnetic knob, and relates to the technical field of household appliance control, wherein the magnetic knob comprises a magnetic knob shell, a control panel, a circuit board and a touch key; the control panel is arranged between the magnetic rotation Niu Keti and the circuit board; the magnetic knob shell comprises a first adsorption surface and a second adsorption surface, the magnetic knob Niu Keti is arranged on the control panel through the first adsorption surface or the second adsorption surface, and an accommodating space is arranged between the two adsorption surfaces; the control panel is provided with an induction area, and touch keys are arranged on the two adsorption surfaces and are arranged in the induction area; the circuit board is provided with a controller, the controller can obtain the magnetic field intensity variation according to the magnetic field variation of the magnetic knob shell, and corresponding operation is executed according to the magnetic field intensity variation control equipment. According to the invention, the technical problems that the induction surface of the magnetic knob with only one induction surface cannot be used when the induction surface fails, and the front and the back of the knob are not easy to distinguish, so that the user experience is influenced are solved.

Description

Control device of magnetic knob and control method of magnetic knob

Technical Field

The invention relates to the technical field of household appliance control, in particular to a control device of a magnetic knob and a control method of the magnetic knob.

Background

At present, a knob adopted by a household appliance is usually a mechanical knob, and the mechanical knob needs to be provided with a hole on the household appliance so that a knob cap is mechanically connected with a rotating control shaft inside the household appliance. However, the tightness between the rotary control shaft and the connection hole is often not very good, and dust and oil may enter, resulting in difficulty in cleaning and possible failure of the mechanical knob.

The household electrical appliances can also adopt a magnetic knob, and the magnetic knob can adsorb the knob in the induction area of the household electrical appliances so as to control the household electrical appliances. However, the existing magnetic knob only has one induction surface, and cannot be used when the induction surface fails; on the other hand, the magnetic knob can not distinguish the front side from the back side, and after the magnetic knob is installed wrongly, the magnetic knob can not be used or can be flicked off due to the repulsive force of the magnet, so that the customer experience is influenced.

Disclosure of Invention

The invention aims to provide a control device and a control method of a magnetic knob, which aim to solve the technical problems that in the prior art, when the induction surface of the magnetic knob with only one induction surface fails, the magnetic knob cannot be used, and the front and back surfaces of the knob are not easy to distinguish, so that the user experience is influenced.

The invention provides a control device of a magnetic knob, which comprises a magnetic knob shell, a control panel, a circuit board and a touch key, wherein the magnetic knob shell is provided with a magnetic knob; the control panel is arranged between the magnetic rotation Niu Keti and the circuit board; the magnetic knob shell comprises a first adsorption surface and a second adsorption surface, the magnetic knob Niu Keti is arranged on the control panel through the first adsorption surface or the second adsorption surface, and a closed accommodating space is arranged between the first adsorption surface and the second adsorption surface; the control panel is provided with an induction area, the first adsorption surface and the second adsorption surface are both provided with touch keys, and the touch keys on the first adsorption surface or the second adsorption surface are arranged in the induction area; the circuit board is provided with a controller, the controller is electrically connected with the control panel, the controller can obtain the magnetic field intensity variation according to the magnetic field variation of the magnetic knob shell, and corresponding operation is executed according to the magnetic field intensity variation control equipment.

Furthermore, an induction spring and a touch chip are arranged on the circuit board, the touch key comprises a touch spring matched with the induction spring, and the touch chip is electrically connected with the controller; the touch spring is arranged in the accommodating space, one end of the touch spring is opposite to the first adsorption surface, and the other end of the touch spring is opposite to the second adsorption surface; one end of the induction spring is electrically connected with the touch chip, and the other end of the induction spring is abutted against the control panel.

Furthermore, the control device of the magnetic knob also comprises an induction magnet, and the induction magnet is arranged in the accommodating space; the induction magnet is one or two, and first through-hole has been seted up to the centre, and touch spring wears to establish at first through-hole, one end and first adsorption plane butt, other end and second adsorption plane butt.

Further, the touch spring includes a first section and a second section separately provided; the induction magnet is one piece and is arranged between the first section and the second section; the one end and the response magnet butt of first section, the other end and first adsorption plane butt, the one end and the response magnet butt of second section, the other end and second adsorption plane butt.

Further, induction magnet is two, is close to first adsorption plane and second adsorption plane setting respectively, and the one end of touch spring and one of them induction magnet butt, the other end and another induction magnet butt.

Furthermore, the induction magnets are arranged in an axisymmetric manner along a center line between the first adsorption surface and the second adsorption surface.

Further, the controlling means of magnetism knob still includes adsorption magnet and fixed magnet, and adsorption magnet and fixed magnet just are just setting up and are located the both sides of controlling the panel respectively, and fixed magnet sets up in the accommodation space.

Furthermore, the number of the fixed magnets is two, the two fixed magnets are respectively arranged adjacent to the first adsorption surface and the second adsorption surface, and the polarities of the adjacent surfaces of the two fixed magnets are in a mutual exclusion relation.

Further, the induction magnet is arranged outside the fixed magnet in a surrounding mode.

Further, the fixed magnet is arranged outside the induction magnet in a surrounding mode.

Furthermore, a second through hole is formed in the middle of the fixed magnet, the touch spring penetrates through the second through hole, one end of the touch spring is abutted to the first adsorption face, and the other end of the touch spring is abutted to the second adsorption face.

Furthermore, two fixed magnets are respectively adjacent to the first adsorption surface and the second adsorption surface, one end of the touch spring is abutted with one fixed magnet, and the other end of the touch spring is abutted with the other fixed magnet.

Furthermore, the induction magnet encircles and sets up outside fixed magnet, and induction magnet is one or two.

Furthermore, the fixed magnets are arranged in an axisymmetric manner along a center line between the first adsorption surface and the second adsorption surface.

Furthermore, an angle sensor is arranged on the circuit board and electrically connected with the controller, and the angle sensor is used for detecting the magnetic field change of the induction magnet sensed by the induction area.

Furthermore, the fixed magnet and the induction magnet are bonded in the magnetic knob shell or are embedded and fixed in the magnetic knob shell; and/or the adsorption magnet is adhered to the control panel or is fixed on the control panel in a nesting mode.

Further, the circuit board is provided with an LED lamp, the LED lamp is opposite to the magnetic rotation Niu Keti, and the sensing area, the first adsorption surface and the second adsorption surface can transmit light at the positions corresponding to the LED lamp.

The invention also provides a control method of the magnetic knob, which is applied to the control device of the magnetic knob, the touch key comprises a touch spring and an induction spring, a touch chip is arranged on the circuit board, and the touch chip is electrically connected with the controller; the method comprises the following steps: when a user presses the touch key, the capacitance of the touch spring of the magnetic knob changes, so that the charge quantity of the induction spring changes; the method comprises the steps that a touch chip obtains the variation and the duration of the charge quantity of an induction spring; when the variable quantity of the electric charges is larger than the threshold value and the duration time is longer than the preset time, the touch chip transmits the information to the controller, and the controller controls the equipment to execute corresponding operation according to the information.

Further, the corresponding operation includes determining, returning, canceling, selecting, and the like.

Furthermore, the control device of the magnetic knob also comprises an induction magnet and an angle sensor; the method comprises the following steps: when a user touches the magnetic knob shell, the angle sensor detects the magnetic field change of the induction magnet sensed by the induction area, the controller acquires the magnetic field change information detected by the angle sensor, and the controller controls the equipment to execute corresponding operation according to the magnetic field change information.

Further, the method comprises: when a user places the magnetic knob shell in an induction area of the control panel, the angle sensor detects that the magnetic field of the induction magnet generates a first change; the controller acquires first change information detected by the angle sensor, and starts a corresponding program according to the first change information.

Further, the method comprises: when a user rotates the magnetic knob shell, the angle sensor detects that the magnetic field of the induction magnet changes for the second time; the controller acquires second change information detected by the angle sensor, and the controller calculates the rotation angle change according to the second change information; and the controller adjusts a corresponding program according to the rotation angle variation.

Further, the method comprises: when the user takes the magnetic knob shell away, the angle sensor detects that the magnetic field of the induction magnet generates a third change; and the controller acquires third change information detected by the angle sensor, and closes a corresponding program according to the third change information.

The control device of the magnetic knob and the control method of the magnetic knob provided by the invention have the beneficial effects that:

the invention provides a control device and a control method of a magnetic knob, wherein the control device of the magnetic knob comprises a magnetic knob shell, a control panel, a circuit board and a touch key; the control panel is arranged between the magnetic rotation Niu Keti and the circuit board; the magnetic knob shell comprises a first adsorption surface and a second adsorption surface, the magnetic knob Niu Keti is arranged on the control panel through the first adsorption surface or the second adsorption surface, and a closed accommodating space is arranged between the first adsorption surface and the second adsorption surface; the control panel is provided with an induction area, the first adsorption surface and the second adsorption surface are both provided with touch keys, and the touch keys on the first adsorption surface or the second adsorption surface are arranged in the induction area; be equipped with the controller on the circuit board, the controller is connected with controlling the panel electricity, and the controller can obtain the magnetic field intensity change volume according to the magnetic field change of magnetism knob casing to according to the magnetic field intensity change volume control equipment execution corresponding operation.

According to the invention, the first adsorption surface and the second adsorption surface which are opposite to each other are arranged on the magnetic knob shell, the touch keys are arranged on the first adsorption surface and the second adsorption surface, and the touch keys on the first adsorption surface and the second adsorption surface can be adsorbed on the induction area of the control panel, so that the circuit board can induce the magnetic field change of the magnetic knob shell, the magnetic field intensity variation is obtained through the magnetic field change, and then the corresponding operation is executed by the control equipment according to the magnetic field intensity variation, so that the purpose of controlling the household appliance through the magnetic knob is achieved. The user can also select, cancel, confirm and the like by touching the keys, so that the control of the device by the user through the magnetic knob is further optimized. The technical problems that the induction surface of the magnetic knob with only one induction surface cannot be used when the induction surface fails, and the front and the back of the knob are not easy to distinguish, so that the user experience is influenced are solved.

The invention also provides a control method of the magnetic knob, which has all the technical characteristics of the magnetic knob, so the technical effects are also achieved.

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 description of the embodiments or 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 other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded view of a magnetic knob control device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an LED lamp on a control device of a magnetic knob according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an internal structure of a control device of a magnetic knob according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an internal structure of another magnetic knob control device according to an embodiment of the present invention;

FIG. 5 is a schematic diagram illustrating an internal structure of a control device of a magnetic knob according to another embodiment of the present invention;

FIG. 6 is a schematic diagram of an internal structure of a control device of a magnetic knob according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of an internal structure of a control device of a magnetic knob according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of an internal structure of a control device of a magnetic knob according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of an internal structure of a control device of a magnetic knob according to an embodiment of the present invention;

fig. 10 is a schematic view of the internal structure of a control device of a further magnetic knob according to an embodiment of the present invention;

fig. 11 is a schematic internal structural diagram of a control device of a further magnetic knob according to an embodiment of the present invention.

Icon:

1-magnetic spin Niu Keti; 2-a control panel; 3-attracting magnet; 4-a circuit board; 11-an induction magnet; 12-a fixed magnet; 13-touch spring; 14-a first adsorption surface; 15-a second adsorption surface; 41-an angle sensor; 42-an induction spring; 43-a touch chip; 5-LED lamp.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when products of the present invention are used, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments and features of the embodiments described below can be combined with each other without conflict.

At present, a knob adopted by a household appliance is usually a mechanical knob, and the mechanical knob needs to be provided with a hole on the household appliance so that a knob cap is mechanically connected with a rotating control shaft inside the household appliance. However, the sealing between the rotary control shaft and the connection hole is often not very good, and dust and oil may enter, resulting in difficulty in cleaning and possible failure of the mechanical knob.

Based on the technical scheme, the invention provides a control device and a control method of a magnetic knob, and aims to solve the technical problems that in some technologies, when the induction surface of the magnetic knob with only one induction surface fails, the magnetic knob cannot be used, and the front and the back of the knob are not easy to distinguish, so that the user experience is influenced.

The invention provides a control device of a magnetic knob, which comprises a magnetic knob shell 1, a control panel 2, a circuit board 4 and a touch key as shown in figure 1; the control panel 2 is arranged between the magnetic knob shell 1 and the circuit board 4; the magnetic knob shell 1 comprises a first adsorption surface 14 and a second adsorption surface 15, the magnetic knob shell 1 is arranged on the control panel 2 through the first adsorption surface 14 or the second adsorption surface 15, and a closed accommodating space is arranged between the first adsorption surface 14 and the second adsorption surface 15; the control panel 2 is provided with a sensing area, touch keys are arranged on the first adsorption surface 14 and the second adsorption surface 15, and the touch keys on the first adsorption surface 14 or the second adsorption surface 15 are arranged in the sensing area; the circuit board 4 is provided with a controller which is electrically connected with the control panel 2, the controller can obtain the magnetic field intensity variation according to the magnetic field variation of the magnetic knob shell 1, and the controller controls the equipment to execute corresponding operation according to the magnetic field intensity variation.

According to the invention, the first adsorption surface 14 and the second adsorption surface 15 which are opposite to each other are arranged on the magnetic knob shell 1, the touch keys are arranged on the first adsorption surface 14 and the second adsorption surface 15, and the touch keys on the first adsorption surface 14 and the second adsorption surface 15 can be adsorbed on the induction area of the control panel 2, so that the circuit board can induce the magnetic field change of the magnetic knob shell 1, the magnetic field intensity variation is obtained through the magnetic field change, and then the corresponding operation is executed according to the magnetic field intensity variation control equipment, so that the purpose of controlling the household appliance through the magnetic knob is achieved. The user can also perform operations such as selection, cancellation, confirmation and the like by touching the keys, so that the control of the user on the equipment through the magnetic knob is further optimized.

Specifically, the magnetic knob housing 1 can be directly placed on the sensing area without opening holes, so that the problem of difficulty in cleaning can be avoided. The first adsorption surface 14 and the second adsorption surface 15 of the magnetic knob shell 1 can be identified by induction zones on the control panel 2, and can be used for controlling equipment, a user can directly use the magnetic knob shell without distinguishing, and when one adsorption surface has a problem, the other adsorption surface can be used for continuous use. The first adsorption surface 14 and the second adsorption surface 15 of the magnetic knob shell 1 can complete the function of a touch key through the touch spring 13, so that multiple functions of the device can be comprehensively adjusted, and the user experience is improved.

When a user touches the magnetic knob housing 1, the circuit board 4 performs function adjustment, such as power adjustment, gear adjustment, or time adjustment, on the device, and may also control the device to perform a determination operation or a return operation.

In this embodiment, the circuit board 4 is provided with an induction spring 42 and a touch chip 43, the touch key includes a touch spring 13 matched with the induction spring 42, and the touch chip 43 is electrically connected with the controller; the touch spring 13 is arranged in the accommodating space, one end of the touch spring is opposite to the first adsorption surface 14, and the other end of the touch spring is opposite to the second adsorption surface 15; the sense spring 42 has one end electrically connected to the touch chip 43 and the other end abutting against the control panel 2.

Specifically, the touch chip 43 is configured to detect the capacitance variation of the induction spring 42 when the user presses the magnetic knob housing 1 to change the charge amount of the touch spring 13 of the magnetic knob housing 1; and when the capacitance variation is larger than the preset capacitance threshold value within the preset time, sending the operation instruction information to the controller, and then controlling the equipment to execute corresponding operation by the controller according to the operation instruction information.

In this embodiment, the control device of the magnetic knob further includes an induction magnet 11, and the induction magnet 11 is disposed in the accommodating space; optionally, the induction magnet 11 is one or two, a first through hole is formed in the middle, the touch spring 13 penetrates through the first through hole, one end of the touch spring is abutted to the first adsorption surface 14, and the other end of the touch spring is abutted to the second adsorption surface 15.

In the present embodiment, the touch spring 13 includes a first segment and a second segment that are separately provided; the induction magnet 11 is a block and is arranged between the first section and the second section; one end of the first segment is abutted with the induction magnet 11, the other end is abutted with the first adsorption surface 14, one end of the second segment is abutted with the induction magnet 11, and the other end is abutted with the second adsorption surface 15.

Optionally, the two induction magnets 11 are respectively disposed adjacent to the first adsorption surface 14 and the second adsorption surface 15, one end of the touch spring 13 abuts against one induction magnet 11, and the other end abuts against the other induction magnet 11. In this case, the polarities of the two sensing magnets 11 should be identical, so as to avoid that the magnetic field intensity is offset and weakened due to the opposite polarities, thereby causing the inaccurate information acquisition of the angle sensor 41.

Preferably, the induction magnets 11 are arranged axisymmetrically along a center line between the first suction surface 14 and the second suction surface 15. In this case, the induction magnet 11 and the magnetic knob housing 1 have a symmetrical structure, and the fixing effect is good.

In this embodiment, the control device of the magnetic knob further includes an adsorption magnet 3 and a fixed magnet 12, the adsorption magnet 3 and the fixed magnet 12 are just opposite to each other and are respectively located at two sides of the control panel 2, and the fixed magnet 12 is arranged in the accommodating space. The two opposing surfaces between the fixed magnet 12 and the attracting magnet 3 have opposite polarities and attract each other for fixation. In this case, the magnetic knob housing 1 is attracted to the sensing area by the first attraction surface 14 or the second attraction surface 15 by the attraction between the fixed magnet 12 and the attraction magnet 3.

Optionally, there are two fixed magnets 12, the two fixed magnets 12 are respectively disposed adjacent to the first adsorption surface 14 and the second adsorption surface 15, and the polarities of the adjacent surfaces of the two fixed magnets 12 are in a mutual exclusion relationship. In this case, the two fixed magnets 12 have the same polarity on the side facing the attracting surface, so that both attracting surfaces can be attracted to the sensing area.

In the present embodiment, the induction magnet 11 is disposed around the fixed magnet 12, or the fixed magnet 12 is disposed around the induction magnet 11. The fixed magnet 12 and the attracting magnet 3 may be ring-shaped or have other shapes, and the number of the fixed magnet and the attracting magnet may be plural, so that the magnetic knob housing 1 can be fixed and rotated. Illustratively, the fixed magnet 12 has a ring shape, and the attracting magnet 3 is plural and uniformly distributed.

Optionally, when there are two fixed magnets 12, a second through hole is formed in the middle of the fixed magnet 12, the touch spring 13 is inserted into the second through hole, one end of the touch spring abuts against the first adsorption surface 14, and the other end of the touch spring abuts against the second adsorption surface 15.

Alternatively, when there are two fixed magnets 12, the two fixed magnets 12 are disposed adjacent to the first adsorption surface 14 and the second adsorption surface 15, respectively, and one end of the touch spring 13 abuts against one of the fixed magnets 12, and the other end abuts against the other fixed magnet 12.

Optionally, the induction magnet 11 is disposed around the fixed magnet 12, and one or two induction magnets 11 are provided.

Preferably, the fixed magnets 12 are arranged axisymmetrically along a center line between the first suction surface 14 and the second suction surface 15. In this case, the fixing magnet 12 and the magnetic knob housing 1 have a symmetrical structure, and the fixing effect is good.

In this embodiment, the circuit board 4 is provided with an angle sensor 41, the angle sensor 41 is electrically connected to the controller, and the angle sensor 41 is used for detecting the magnetic field change of the induction magnet 11 sensed by the induction area. Specifically, the controller operates the apparatus differently according to the change in the magnetic field caused by the rotation of the induction magnet 11 detected by the angle sensor 41. It should be noted that the change of the magnetic field is not related to the initial state and the initial position of the induction magnet 11, but only related to the change amount after the magnetic knob housing 1 is attached to the control panel 2.

In the control device of the magnetic knob, other devices for detecting the angle, such as a hall sensor, a magnetic sensor, and the like, may be used as long as the change in the magnetic field can be obtained by detecting the change in the angle of the induction magnet 11.

In the embodiment, the fixed magnet 12 and the induction magnet 11 are adhered to the magnetic knob housing 1 or are embedded and fixed in the magnetic knob housing 1; and/or the adsorption magnet 3 is adhered to the control panel 2 or fixed on the control panel 2 in a nesting way. It should be noted that the fixed magnet 12 and the induction magnet 11 may also be fixed in the magnetic knob housing 1 by other methods as long as their positions are fixed relative to the housing; the adsorption magnet 3 can also be connected to the control panel 2 in other ways as long as the relative fixation between the adsorption magnet 3 and the control panel 2 can be ensured.

In this embodiment, as shown in fig. 2, the circuit board 4 is provided with an LED lamp 5, the LED lamp 5 is opposite to the magnetic knob housing 1, and the sensing area, the first absorption surface 14, and the second absorption surface 15 can transmit light at positions corresponding to the LED lamp 5. Specifically, LED lamp 5 can realize display effect such as horse race, breathing, tailing, can also increase science and technology sense when increasing the illumination function, improves product competitiveness. The controller can also identify the rotation angle of the magnetic knob shell 1 according to the change of the magnetic field, thereby controlling the LED lamp 5 to display different states.

When the user rotates the magnetic knob housing 1, the angle sensor 41 collects the angle variation and sends the angle variation to the controller, and the controller on the circuit board 4 controls the LED lamp 5 to display different states.

The following examples are different from the above-described example in which the position and number of the induction magnets 11 and the fixed magnets 12 are different and the position of the attracting magnet 3 for the pair is different.

As shown in fig. 3, when there are two induction magnets 11, the two induction magnets 11 are respectively disposed inside the middle of the first adsorption surface 14 and inside the middle of the second adsorption surface 15, and in this case, there are also two fixed magnets 12, which are respectively disposed inside the first adsorption surface 14 and inside the second adsorption surface 15 and outside the two induction magnets 11.

At this time, both ends of the touch spring 13 are connected to the two induction magnets 11, and both ends of the induction spring 42 are connected to the control panel 2 and the angle sensor 41.

As shown in fig. 4, two induction magnets 11 are respectively disposed inside the middle of the first attraction surface 14 and inside the middle of the second attraction surface 15, and in this case, two fixed magnets 12 are also disposed inside the first attraction surface 14 and inside the second attraction surface 15 and outside the two induction magnets 11.

The middle of the two induction magnets 11 is hollowed, two ends of the touch spring 13 are respectively connected with the first adsorption surface 14 and the second adsorption surface 15 under the condition that the touch spring respectively penetrates through the two induction magnets 11, and two ends of the induction spring 42 are respectively connected with the control panel 2 and the angle sensor 41.

When the induction magnet 11 of the embodiment of fig. 4 is changed from two to one, as shown in fig. 5, both ends of the touch spring 13 are connected to the first adsorption surface 14 and the second adsorption surface 15, respectively, while passing through the induction magnet 11, and both the fixed magnets 12 are disposed outside the induction magnet 11.

When there are two touch springs 13 and one induction spring 42, as shown in fig. 6, two ends of the induction magnet 11 are respectively connected to the two induction springs 42, the other ends of the two induction springs 42, which are opposite to the end connected to the induction magnet 11, are respectively connected to the first adsorption surface 14 and the second adsorption surface 15, and there are two fixed magnets 12, and the two fixed magnets 12 are both disposed outside the induction magnet 11.

When the fixed magnets 12 are disposed inside the induction magnets 11, as shown in fig. 7, two fixed magnets 12 are disposed inside the middle of the first adsorption surface 14 and the second adsorption surface 15, respectively, and two induction magnets 11 are disposed inside the first adsorption surface 14 and the second adsorption surface 15, respectively, and are located outside the two fixed magnets 12.

After passing through the two fixed magnets 12, the touch spring 13 has both ends connected to the first adsorption surface 14 and the second adsorption surface 15, respectively. After passing through the attracting magnet 3, the induction magnet 11 is connected at both ends to the control panel 2 and the angle sensor 41, respectively.

If the induction magnets 11 of the embodiment of fig. 7 are changed from two to one, as shown in fig. 8, one induction magnet 11 is disposed outside two fixed magnets 12.

The touch spring 13 may also be disposed between the fixed magnets 12, as shown in fig. 9, the two fixed magnets 12 are respectively disposed inside the middle of the first adsorption surface 14 and the second adsorption surface 15, the two induction magnets 11 are respectively disposed inside the first adsorption surface 14 and the second adsorption surface 15 and are located outside the two fixed magnets 12, two ends of the touch spring 13 are respectively connected to the two fixed magnets 12, one end of the induction spring 42 is connected to the adsorption magnet 3, and the other end is connected to the angle sensor 41.

If the induction magnets 11 of the embodiment of fig. 9 are changed from two to one, one induction magnet 11 is disposed outside two fixed magnets 12 as shown in fig. 10.

When there is no touch spring 13 or no sense spring 42, as shown in fig. 11, the angle sensor 41 is disposed right below the sense magnet 11, and at this time, the angle sensor 41 is a magnetic sensor, when the user places the magnetic knob housing 1 on the control panel 2, rotates the magnetic knob housing 1 on the control panel 2, or removes the magnetic knob housing 1, the magnetic field of the sense magnet 11 changes, and the angle sensor 41 can detect the change of the magnetic field of the sense magnet 11 and transmit data to the controller, that is, the device can be controlled by the magnetic knob without the touch spring 13 or the sense spring 42.

The structure and the embodiment of the magnetic knob have been described above, and the control method for controlling the household appliance through the magnetic knob is described in detail below.

The embodiment of the invention provides a control method of a magnetic knob, which is applied to a control device of the magnetic knob, and the method comprises the following steps: when a user presses the touch key, the capacitance of the touch spring 13 of the magnetic knob changes, which causes the charge amount of the induction spring 42 to change; the touch chip 43 acquires the amount of change occurring and the duration of the amount of charge of the sense spring 42; when the variation of the electric charge is greater than the threshold and the duration is greater than the preset time, the touch chip 43 transmits the information to the controller, and the controller controls the device to execute corresponding operations according to the information.

Specifically, the corresponding operation includes determining, returning, canceling, selecting, and the like.

The method further comprises the following steps: when a user touches the magnetic knob housing 1, the angle sensor 41 detects the magnetic field change of the induction magnet 11 sensed by the induction area, the controller acquires the magnetic field change information detected by the angle sensor 41, and the controller controls the device to execute corresponding operation according to the magnetic field change information.

The method further comprises the following steps: when a user places the magnetic knob housing 1 on the sensing area of the control panel 2, the angle sensor 41 detects a first change in the magnetic field of the sensing magnet 11; the controller acquires first variation information detected by the angle sensor 41, and starts a corresponding program according to the first variation information.

Specifically, the controller starting the corresponding program according to the first change information means that the controller starts the corresponding electrical equipment when detecting the first change information.

The method further comprises the following steps: when the user rotates the magnetic knob housing 1, the angle sensor 41 detects a second change in the magnetic field of the induction magnet 11; the controller acquires second change information detected by the angle sensor 41, and calculates the rotation angle change amount according to the second change information; and the controller adjusts a corresponding program according to the rotation angle variation.

Specifically, the controller adjusts the corresponding program according to the rotation angle variation amount means that the controller performs some operations in function selection on the electrical equipment. For example, when the electrical equipment is a gas stove, the controller can adjust the fire power of the gas stove according to the angle variation; when the electrical equipment is the range hood, the controller can adjust the air suction strength of the range hood according to the angle variation.

The method further comprises the following steps: when the user takes away the magnetic knob housing 1, the angle sensor 41 detects a third change in the magnetic field of the induction magnet 11; the controller acquires third variation information detected by the angle sensor 41, and the controller closes the corresponding program according to the third variation information.

Specifically, the controller turning off the corresponding program according to the third variation information means that the controller turns off the corresponding electrical device when detecting the third variation information.

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; while the invention has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A control device for a magnetic knob, comprising: the magnetic rotary knob comprises a magnetic rotary knob shell (1), a control panel (2), a circuit board (4) and a touch key;

the control panel (2) is arranged between the magnetic knob shell (1) and the circuit board (4);

the magnetic knob shell (1) comprises a first adsorption surface (14) and a second adsorption surface (15), the magnetic knob shell (1) is arranged on the control panel (2) through the first adsorption surface (14) or the second adsorption surface (15), and a closed accommodating space is arranged between the first adsorption surface (14) and the second adsorption surface (15);

the control panel (2) is provided with a sensing area, the first adsorption surface (14) and the second adsorption surface (15) are both provided with touch keys, and the touch keys on the first adsorption surface (14) or the second adsorption surface (15) are arranged in the sensing area;

be equipped with the controller on circuit board (4), the controller with control panel (2) electricity and be connected, the controller can be according to the rotatory magnetic field that brings of magnetism knob casing (1) changes and obtains the magnetic field intensity variation, and according to the corresponding operation of magnetic field intensity variation control equipment execution.

2. The control device of the magnetic knob according to claim 1, characterized in that the circuit board (4) is provided with an induction spring (42) and a touch chip (43), the touch key comprises a touch spring (13) matched with the induction spring (42), and the touch chip (43) is electrically connected with the controller;

the touch spring (13) is arranged in the accommodating space, one end of the touch spring is opposite to the first adsorption surface (14), and the other end of the touch spring is opposite to the second adsorption surface (15); one end of the induction spring (42) is electrically connected with the touch chip (43), and the other end of the induction spring is abutted against the control panel (2).

3. The control device of the magnetic knob according to claim 2, further comprising an induction magnet (11), wherein the induction magnet (11) is disposed in the accommodating space; the induction magnets (11) are one or two, a first through hole is formed in the middle of the induction magnets, the touch spring (13) penetrates through the first through hole, one end of the touch spring is abutted to the first adsorption face (14), and the other end of the touch spring is abutted to the second adsorption face (15).

4. A control device of a magnetic knob according to claim 3, wherein the touch spring (13) comprises a first section and a second section which are separately provided; the induction magnet (11) is one piece and is arranged between the first section and the second section; one end of the first section is abutted against the induction magnet (11), the other end of the first section is abutted against the first adsorption surface (14), one end of the second section is abutted against the induction magnet (11), and the other end of the second section is abutted against the second adsorption surface (15).

5. A control device of a magnetic knob according to claim 3 wherein said induction magnet (11) is two pieces, and is disposed adjacent to said first suction surface (14) and said second suction surface (15), respectively, and one end of said touch spring (13) abuts against one of said induction magnets (11) and the other end abuts against the other of said induction magnets (11).

6. A control device of a magnetic knob according to claim 3, wherein said induction magnet (11) is arranged axisymmetrically along a median line between said first suction surface (14) and said second suction surface (15).

7. The control device of the magnetic knob according to claim 3, further comprising an adsorption magnet (3) and a fixed magnet (12), wherein the adsorption magnet (3) and the fixed magnet (12) are disposed opposite to each other and located on two sides of the control panel (2), respectively, and the fixed magnet (12) is disposed in the accommodating space.

8. A control device of a magnetic knob according to claim 7 wherein said fixed magnets (12) are two, two of said fixed magnets (12) being disposed adjacent to said first attraction face (14) and said second attraction face (15), respectively, the polarities of the adjacent faces of said two fixed magnets (12) being in a mutually exclusive relationship.

9. A control device of a magnetic knob according to claim 7, wherein the induction magnet (11) is circumferentially disposed outside the fixed magnet (12).

10. A control device of a magnetic knob according to claim 7, wherein the fixed magnet (12) is disposed around the outside of the induction magnet (11).

11. The control device of the magnetic knob according to claim 8, wherein a second through hole is opened in the middle of the fixed magnet (12), the touch spring (13) is inserted into the second through hole, one end of the touch spring abuts against the first adsorption surface (14), and the other end of the touch spring abuts against the second adsorption surface (15).

12. A control device of a magnetic knob according to claim 8, wherein two of said fixed magnets (12) are disposed adjacent to said first attraction face (14) and said second attraction face (15), respectively, and one end of said touch spring (13) abuts against one of said fixed magnets (12) and the other end abuts against the other of said fixed magnets (12).

13. A control device of a magnetic knob according to claim 11 or 12, wherein the induction magnet (11) is disposed around the outside of the fixed magnet (12), and the induction magnet (11) is one or two.

14. A control device of a magnetic knob according to claim 7, characterized in that said fixed magnets (12) are arranged axisymmetrically along a midline between said first suction surface (14) and said second suction surface (15).

15. The control device of the magnetic knob according to claim 3, characterized in that an angle sensor (41) is disposed on the circuit board (4), the angle sensor (41) is electrically connected to the controller, and the angle sensor (41) is used for detecting the magnetic field change of the induction magnet (11) sensed by the induction zone.

16. A control device of magnetic knob according to any of claims 9-12 characterized in that said fixed magnet (12) and said induction magnet (11) are bonded inside said magnetic knob housing (1) or nested inside said magnetic knob housing Niu Keti (1);

and/or the adsorption magnet (3) is adhered to the control panel (2) or is fixed on the control panel (2) in a nested mode.

17. A control device of a magnetic knob according to any one of claims 1-12, wherein the circuit board (4) is provided with an LED lamp (5), the LED lamp (5) is opposite to the magnetic knob housing (1), and the sensing area, the first absorption surface (14) and the second absorption surface (15) are transparent at the positions corresponding to the LED lamp (5).

18. A control method of a magnetic knob, which is applied to the control device of a magnetic knob according to any one of claims 1 to 17, wherein the touch key comprises a touch spring (13) and an induction spring (42), a touch chip (43) is arranged on the circuit board (4), and the touch chip (43) is electrically connected with the controller;

the method comprises the following steps:

when a user presses the touch key, the capacitance of a touch spring (13) of the magnetic knob is changed, and the charge quantity of the induction spring (42) is changed;

the touch chip (43) acquires the variation and the duration of the charge amount of the induction spring (42);

when the variation of the electric charge is larger than a threshold value and the duration is longer than a preset time, the touch chip (43) transmits information to a controller, and the controller controls the equipment to execute the corresponding operation according to the information.

19. The control method of a magnetic knob according to claim 18, wherein the corresponding operation includes determining, returning, canceling, selecting, or the like.

20. A control method of a magnetic knob according to claim 18, characterized in that said control means of a magnetic knob further comprises an induction magnet (11) and an angle sensor (41);

the method comprises the following steps:

when a user touches the magnetic rotation Niu Keti (1), the angle sensor (41) detects the magnetic field change of the induction magnet (11) sensed by the induction area, the controller acquires the magnetic field change information detected by the angle sensor (41), and the controller controls equipment to execute corresponding operation according to the magnetic field change information.

21. The method of controlling a magnetic knob according to claim 20, wherein the method comprises:

when a user places the magnetic rotation Niu Keti (1) on the induction area of the manipulation panel (2), the angle sensor (41) detects a first change in the magnetic field of the induction magnet (11);

the controller acquires first change information detected by the angle sensor (41), and starts a corresponding program according to the first change information.

22. The method of controlling a magnetic knob according to claim 20, wherein the method comprises:

when the user rotates the magnetic rotation Niu Keti (1), the angle sensor (41) detects a second change in the magnetic field of the induction magnet (11);

the controller acquires second change information detected by the angle sensor (41), and the controller calculates the rotation angle change according to the second change information;

and the controller adjusts a corresponding program according to the rotation angle variation.

23. The method of controlling a magnetic knob according to claim 20, wherein the method comprises:

when the user takes away the magnetic rotation Niu Keti (1), the angle sensor (41) detects that the magnetic field of the induction magnet (11) is changed for the third time;

the controller acquires third change information detected by the angle sensor (41), and the controller closes a corresponding program according to the third change information.