CN210155571U - Knob device and electrical equipment - Google Patents
Knob device and electrical equipment Download PDFInfo
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- CN210155571U CN210155571U CN201921038609.2U CN201921038609U CN210155571U CN 210155571 U CN210155571 U CN 210155571U CN 201921038609 U CN201921038609 U CN 201921038609U CN 210155571 U CN210155571 U CN 210155571U
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- knob
- permanent magnet
- magnetic sensor
- magnetic
- magnetic induction
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Abstract
The utility model is suitable for an electron device field relates to a knob device and electrical equipment. Providing a knob device, wherein the device comprises a magnetic induction component and a knob component capable of being magnetically attracted; the magnetic induction assembly includes: the first permanent magnet is arranged below the knob component and attracted with the knob component; the magnetic sensor corresponds to the first permanent magnet, and is a two-dimensional magnetic sensor or a three-dimensional magnetic sensor; when the first permanent magnet rotates along with the knob assembly, the N pole and the S pole of the first permanent magnet are close to the magnetic sensor in sequence. The embodiment of the utility model provides a through setting up the knob subassembly that magnetic induction subassembly and magnetism were inhaled, inhale mutually through first permanent magnet and knob subassembly for when the knob subassembly was rotatory, can drive first permanent magnet and follow and rotate together, can effectively improve the efficiency of response, and only use a magnetic sensor, can reduce the cost of knob device.
Description
Technical Field
The utility model belongs to an electron device technical field especially relates to a knob device and electrical equipment.
Background
A switch knob is a control device widely used in household appliances. Traditional switch knob is mostly the knob of physical connection, like potentiometre formula switch knob, take pole coding formula switch knob etc. and the defect that exists lies in, needs trompil on the installation panel, destroys the integrality of panel, and direction atress intensity and leakproofness worsen, still can influence life because of mechanical structure's wearing and tearing in addition.
Based on the above defects, the conventional physically connected knob is gradually eliminated, and an inductive switch knob is used instead, and the inductive switch knob generally adopts a magnetic induction technology to induce the rotation of the knob so as to achieve the purposes of switch control and gear shifting speed regulation.
Among the prior art, the induction type switch knob that uses at present generally adopts ordinary shaft hole cooperation structure to realize the rotation of knob, and the leakproofness is poor, and the spot is easily advanced at the normal running fit position to lead to induction type switch knob's life to be low, and the part that just needs is many, and the structure is complicated, and the cost is higher.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a knob device aims at solving the technical problem that the induction type switch knob among the prior art is with high costs.
The embodiment of the utility model provides a knob device, which comprises a magnetic induction component and a knob component which can be magnetically attracted;
the magnetic induction assembly includes:
the first permanent magnet is arranged below the knob component and attracted with the knob component;
the magnetic sensor corresponds to the first permanent magnet, and is a two-dimensional magnetic sensor or a three-dimensional magnetic sensor;
when the first permanent magnet rotates along with the knob assembly, the N pole and the S pole of the first permanent magnet are close to the magnetic sensor in sequence.
Furthermore, the knob assembly comprises a knob made of non-magnetic materials and a magnetic body fixedly connected with the knob, the magnetic body is a second permanent magnet, and the first permanent magnet and the second permanent magnet are opposite in heteropolar.
Still further, the knob assembly includes a knob made of magnetically attracted material.
Furthermore, the knob device is arranged on the installation panel, and the knob component and the first permanent magnet are respectively arranged on two sides of the installation panel.
Still further, the magnetic induction assembly further comprises a bearing made of a non-magnetically attractive material, the bearing being disposed between the first permanent magnet and the mounting panel.
Furthermore, the magnetic induction assembly further comprises a printed board, and the magnetic sensor is fixedly arranged on the printed board.
Still further, the magnetic induction assembly further comprises:
the sleeve is fixedly sleeved on the first permanent magnet and rotates along with the first permanent magnet;
the base is provided with a round hole for placing the sleeve;
the sleeve outside is provided with the bump, evenly be provided with a plurality of places on the round hole inside wall the depressed part of bump, the sleeve with when the base rotates relatively, the bump along the circular motion direction in proper order with a plurality of the depressed part cooperation.
Furthermore, the magnetic induction assembly further comprises a base, and a vibrator is arranged on the base.
Furthermore, the magnetic induction subassembly still includes the base, be provided with a plurality of fixed magnets on the base, set up and be in rotary magnet on the knob, rotary magnet follows when the knob rotates, rotary magnet in proper order with a plurality of fixed magnets attract each other.
The utility model also provides an electrical equipment, electrical equipment includes operating panel and sets up knob device on the operating panel, the knob device do.
The beneficial effects achieved by the utility model are that the embodiment of the utility model, through the magnetic induction component and the magnetically attractable knob component, the first permanent magnet and the knob component attract each other, so that when the knob component rotates, the first permanent magnet can be driven to rotate along with the knob component; and set up the magnetic sensor corresponding with first permanent magnet for first permanent magnet is along with when knob subassembly rotates, the N utmost point and the S utmost point of first permanent magnet are close to in proper order the magnetic sensor, through the effect of magnetic sensor, can be fast and accurate sense the magnetic field change in the space between magnetic sensor and the first permanent magnet, thereby the rotatory information of response knob subassembly, and then control corresponding gear adjustment, can effectively improve the efficiency of response, and only use a magnetic sensor, can reduce the cost of knob device.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of a knob device according to the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a cross-sectional view of another embodiment of a knob device according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view of another embodiment of a knob device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model can drive the first permanent magnet to rotate along with the knob component when the knob component rotates by arranging the magnetic induction component and the knob component which can be magnetically attracted and attracting the first permanent magnet and the knob component; through magnetic sensor's effect, can be fast and accurate sense the magnetic field change in the space between magnetic sensor and the first permanent magnet to the rotatory information of response knob subassembly, and then the corresponding gear adjustment of control can effectively improve the efficiency of response, and through the mode of magnetism, also can effectively reduce the wear rate.
Example one
As shown in fig. 1 to 4, an embodiment of the present invention provides a knob device, which includes a magnetic induction component and a magnetically attractable knob component;
the magnetic induction assembly includes:
the first permanent magnet 22 is arranged below the knob component, and the first permanent magnet 22 is attracted with the knob component;
a magnetic sensor 23 corresponding to the first permanent magnet 22, wherein the magnetic sensor 23 is a two-dimensional magnetic sensor or a three-dimensional magnetic sensor;
when the first permanent magnet 22 rotates along with the knob assembly, the N pole and the S pole of the first permanent magnet 22 sequentially approach the magnetic sensor 23.
In the embodiment of the present invention, the first permanent magnet 22 corresponds to the magnetic sensor 23, and includes: firstly, the magnetic sensor 23 is arranged below the first permanent magnet 22 and deviates from the center position of the first permanent magnet 22; the two magnetic sensors 23 are disposed outside the first permanent magnet 22, and may be located higher than the end face of the first permanent magnet 22 or lower than the end face of the first permanent magnet 22. The relative positions of the magnetic sensor 23 and the first permanent magnet 22 can realize that when the first permanent magnet 22 rotates along with the knob assembly, the N pole and the S pole of the first permanent magnet 22 are sequentially close to the magnetic sensor 23.
The first permanent magnet 22 is disposed below the knob assembly, which means that the first permanent magnet 22 may not only leave a gap with the knob assembly, but also be attached to the knob assembly.
The embodiment of the utility model provides a through setting up magnetic induction subassembly and the knob subassembly that can inhale magnetically, through first permanent magnet 22 and the attraction of knob subassembly mutually, when making the knob subassembly rotate, can drive first permanent magnet 22 and follow and rotate together; and set up the magnetic sensor 23 corresponding with first permanent magnet 22 for first permanent magnet 22 is along with when knob subassembly rotates, the N utmost point and the S utmost point of first permanent magnet 22 are close to in proper order magnetic sensor 23, through the effect of magnetic sensor 23, can be fast and accurate sense the magnetic field change in the space between magnetic sensor 23 and the first permanent magnet 22, thereby the rotatory information of response knob subassembly, and then control corresponding gear adjustment, can effectively improve the efficiency of response, and only use a magnetic sensor, can reduce the cost of knob device. And, first permanent magnet 22 attracts mutually with the knob subassembly, and it is convenient when can making the knob device install on operating panel, and operating panel need not the trompil, establishes first permanent magnet 22 and knob subassembly respectively behind operating panel both sides through magnetism to inhale and can install.
In addition, the three-dimensional magnetic sensor can realize highly accurate three-dimensional sensing with extremely low power consumption, and can reliably sense three-dimensional, linear, and rotational motions by detecting magnetic fields in the x, y, and z-axis directions. Of course, the magnetic sensor 23 may also be other magnetic sensors 23 that detect induced magnetic fields in at least two dimensions, such as a two-axis magnetic sensor.
Example two
In an optional embodiment of the present invention, the knob assembly includes a knob 11 made of a non-magnetic material and a magnetic attraction body fixedly connected to the knob 11, the magnetic attraction body is a second permanent magnet 12, and the first permanent magnet 22 is opposite to the second permanent magnet 12 in opposite polarity.
In this embodiment, the second permanent magnet 12 is fixedly installed on the knob 11, and when the knob 11 is rotated, the second permanent magnet 12 is driven to rotate, so as to drive the first permanent magnet 22 to rotate, which is simple and convenient; specifically, the end of the second permanent magnet 12 connected to the first permanent magnet 22 is also provided with an N pole and an S pole, and the first permanent magnet 22 and the second permanent magnet 12 can be effectively connected together by attracting opposite poles. The knob 11 is made of a non-magnetic material, and specifically can be made of a plastic material.
EXAMPLE III
In an optional embodiment of the present invention, the knob assembly comprises a knob 11 made of magnetically attracted material. The knob 11 can also be made of a magnetic material, such as iron, nickel, cobalt, or an alloy containing one or more of these three metals, and compared with the second embodiment, the second permanent magnet 12 is not needed, so that the cost of the second permanent magnet 12 and the cost of installing the second permanent magnet 12 can be saved.
Example four
In an optional embodiment of the present invention, the knob device is disposed on the mounting panel 3, and the knob assembly and the first permanent magnet 22 are separately disposed on both sides of the mounting panel 3.
In this embodiment, through the effect of first permanent magnet 22 and second permanent magnet 12, can have the both sides of adsorbing knob subassembly and first permanent magnet 22 in installation panel 3 same position, in addition, set up installation panel 3, can effectively protect magnetic induction assembly, avoid magnetic induction assembly to receive the damage, effectively provide knob subassembly's life.
EXAMPLE five
In an optional embodiment of the present invention, the magnetic induction assembly further comprises a bearing made of a non-magnetic material, the bearing is disposed between the first permanent magnet 22 and the mounting panel 3. The specific installation mode is that the outer ring (or inner ring) of the bearing is fixed on the installation panel 3, and the inner ring (or outer ring) of the bearing is fixedly connected with the first permanent magnet 22. When the first permanent magnet 22 rotates along with the knob assembly, because the bearing is arranged, the friction force between the first permanent magnet 22 and the installation panel 3 can be reduced, so that the first permanent magnet 22 can not cause the angular deviation between the first permanent magnet 22 and the knob assembly because of overlarge friction force when rotating along with the knob assembly, the rotating angles of the first permanent magnet 22 and the knob assembly are ensured to be the same or similar, and the accumulated error of the rotating angles is reduced.
EXAMPLE six
In an optional embodiment of the present invention, the magnetic induction assembly further includes a printed board 24, and the magnetic sensor 23 is fixedly disposed on the printed board 24. The printed board 24 is provided to further fix the magnetic sensor 23, thereby facilitating the installation of the magnetic sensor 23 and the connection of a power supply.
EXAMPLE seven
As shown in fig. 1 to 2, in an optional embodiment of the present invention, the magnetic induction assembly further includes:
a sleeve 25 fixedly sleeved on the first permanent magnet 22 and rotating along with the first permanent magnet 22;
the base 21 is provided with a round hole for placing the sleeve 25;
the sleeve 25 is externally provided with a convex point 251, the inner side wall of the round hole is uniformly provided with a plurality of concave parts 211 for placing the convex point 251, and when the sleeve 25 and the base 21 rotate relatively, the convex point 251 is sequentially matched with the plurality of concave parts 211 along the circumferential motion direction. Of course, this embodiment also includes several concave portions 211 disposed outside the sleeve 25, and bumps 251 are uniformly disposed on the inner side wall of the circular hole.
In this embodiment, through set up sleeve 25 in first permanent magnet 22 outside for sleeve 25 can follow sleeve 25 and rotate together, and is provided with bump 251 in the sleeve 25 outside, evenly is provided with a plurality of places on the round hole inside wall of base 21 the depressed part 211 of bump 251, sleeve 25 with when base 21 rotates relatively, bump 251 along the circular motion direction in proper order with a plurality of the depressed part 211 cooperation takes place the friction, makes the sensation that the experience that the user can be better shifted, further improves user's experience sense.
Example eight
As shown in fig. 3, in an optional embodiment of the present invention, the magnetic induction assembly further includes a base 21, and the base 21 is provided with a vibrator 26. The vibrator 26 adopts a vibration motor, and when a gear is shifted, the vibrator 26 generates vibration once, so that a user feels vibration, and the gear shifting feeling is improved.
Example nine
As shown in fig. 4, in an optional embodiment of the present invention, the magnetic induction assembly further includes a base 21, the base 21 is provided with a plurality of fixed magnets 27 and a rotary magnet 13 disposed on the knob 11, and when the rotary magnet 13 rotates along with the knob 11, the rotary magnet 13 sequentially attracts the plurality of fixed magnets 27.
In this embodiment, when the knob 11 is rotated, the rotary magnet 13 can be driven to rotate, and when the knob 11 is rotated by one gear, the knob magnet 11 and the adjacent fixed magnet 27 attract each other, so that the user can feel the gear shifting feeling. The number of the fixed magnets 27 may be set according to the number of the shift positions.
Example ten
The utility model also provides an electrical equipment, electrical equipment includes operating panel and sets up knob device on the operating panel, the knob device do.
Wherein, the operation panel is preferably a glass panel, and the household appliances comprise but are not limited to household appliances, ovens, dishwashers and other products.
The utility model is provided with the magnetic induction component and the knob component which can be magnetically attracted, and the first permanent magnet 22 and the knob component are attracted, so that when the knob component rotates, the first permanent magnet 22 can be driven to rotate together; and set up the magnetic sensor 23 corresponding with first permanent magnet 22 for first permanent magnet 22 is along with when knob subassembly rotates, the N utmost point and the S utmost point of first permanent magnet 22 are close to in proper order magnetic sensor 23, through the effect of magnetic sensor 23, can be fast and accurate sense the magnetic field change in the space between magnetic sensor 23 and the first permanent magnet 22, thereby the rotatory information of response knob subassembly, and then control corresponding gear adjustment, can effectively improve the efficiency of response, and only use a magnetic sensor, can reduce the cost of knob device.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A knob device characterized by:
the device comprises a magnetic induction component and a knob component capable of being magnetically attracted;
the magnetic induction assembly includes:
the first permanent magnet is arranged below the knob component and attracted with the knob component;
the magnetic sensor corresponds to the first permanent magnet, and is a two-dimensional magnetic sensor or a three-dimensional magnetic sensor;
when the first permanent magnet rotates along with the knob assembly, the N pole and the S pole of the first permanent magnet are close to the magnetic sensor in sequence.
2. The knob device according to claim 1, wherein the knob assembly comprises a knob made of a non-magnetic material and a magnetic member fixedly connected to the knob, the magnetic member is a second permanent magnet, and the first permanent magnet is opposite to the second permanent magnet in opposite polarity.
3. The knob device according to claim 1, wherein the knob assembly comprises a knob made of magnetically attractive material.
4. The knob device according to any one of claims 1 to 3, wherein the knob device is disposed on a mounting panel, and the knob assembly and the first permanent magnet are disposed on both sides of the mounting panel.
5. The knob device according to claim 4, wherein the magnetic induction assembly further comprises a bearing made of a non-magnetically attractive material, the bearing being disposed between the first permanent magnet and the mounting panel.
6. The knob apparatus according to any one of claims 1 to 3, wherein the magnetic induction assembly further comprises a printed board, and the magnetic sensor is fixedly disposed on the printed board.
7. The knob apparatus according to any one of claims 1 to 3, wherein the magnetic induction assembly further comprises:
the sleeve is fixedly sleeved on the first permanent magnet and rotates along with the first permanent magnet;
the base is provided with a round hole for placing the sleeve;
the sleeve outside is provided with the bump, evenly be provided with a plurality of places on the round hole inside wall the depressed part of bump, the sleeve with when the base rotates relatively, the bump along the circular motion direction in proper order with a plurality of the depressed part cooperation.
8. The knob device according to any one of claims 1 to 3, wherein the magnetic induction assembly further comprises a base, and a vibrator is disposed on the base.
9. The knob apparatus according to any one of claim 2, wherein the magnetic induction assembly further comprises a base, a plurality of fixed magnets are disposed on the base, and a rotary magnet is disposed on the knob, and the rotary magnet is sequentially attracted to the plurality of fixed magnets when the rotary magnet rotates with the knob.
10. An electrical apparatus, characterized in that the electrical apparatus comprises an operation panel and a knob device arranged on the operation panel, wherein the knob device is the knob device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038609.2U CN210155571U (en) | 2019-07-03 | 2019-07-03 | Knob device and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038609.2U CN210155571U (en) | 2019-07-03 | 2019-07-03 | Knob device and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210155571U true CN210155571U (en) | 2020-03-17 |
Family
ID=69765268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921038609.2U Active CN210155571U (en) | 2019-07-03 | 2019-07-03 | Knob device and electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210155571U (en) |
-
2019
- 2019-07-03 CN CN201921038609.2U patent/CN210155571U/en active Active
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