CN210742773U

CN210742773U - Magnetic control knob and household appliance

Info

Publication number: CN210742773U
Application number: CN201921702436.XU
Authority: CN
Inventors: 艾穗江; 何小菊; 林国汉
Original assignee: Guangdong Wanjiale Kitchen Technology Co Ltd
Current assignee: Guangdong Wanjiale Kitchen Technology Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-06-12
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a magnetic control knob, include: the knob comprises a knob body and a knob body, wherein the knob body comprises an upper end cover and a lower end cover which are mutually buckled, a first annular positioning magnet is fixedly arranged on the lower end cover, and the upper end cover is fixedly connected with a magnet with a mounting hole; a pressing assembly passing through the mounting hole and being movable in an up-and-down direction, the pressing assembly including a pressing part and a moving part, the pressing part and the moving part being respectively located at an upper side and a lower side of the magnet; the main control magnet is installed on the moving part, a pressing gap is reserved between the main control magnet and the lower end cover, and the main control magnet is magnetically connected with the magnet. The user not only can adjust the relevant functional parameter of domestic appliance through rotating the knob body, can also be through pressing the other function switches of domestic appliance are controlled to the subassembly that presses for the magnetic control knob has the function of rotation regulation and control and presses the control concurrently, has greatly improved user's use and has experienced.

Description

Magnetic control knob and household appliance

Technical Field

The utility model relates to the field of household appliances, in particular to magnetic control knob and household appliances.

Background

The existing household appliances, such as a range hood, an induction cooker, a gas cooker, etc., generally adopt a magnetic control knob to realize the adjustment of related functions. However, the existing magnetic control knob has a single function, cannot independently replace all control functions, and can be matched with other keys to realize all function control of corresponding products. Therefore, it is an important research direction to find a magnetic control knob with both rotation control and pressing control.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a magnetic control knob can have rotatory regulation and control concurrently and press two kinds of controls, is favorable to improving user's use and experiences.

The utility model also provides a domestic appliance who has above-mentioned magnetic control knob.

According to the utility model discloses a magnetic control knob of first aspect embodiment includes:

the knob comprises a knob body and a knob body, wherein the knob body comprises an upper end cover and a lower end cover which are mutually buckled, a first annular positioning magnet is fixedly arranged on the lower end cover, the upper end cover is fixedly connected with a magnet with a mounting hole, and the magnet covers the top of the upper end cover;

a pressing assembly passing through the mounting hole and being movable in an up-and-down direction, the pressing assembly including a pressing part and a moving part, the pressing part and the moving part being respectively located at an upper side and a lower side of the magnet;

the main control magnet, it with the moving part is installed and is set up, main control magnet is located in the inner ring of first annular positioning magnet, main control magnet with leave between the lower end cover and press the clearance, main control magnet with the magnet carries out magnetism and connects, press the subassembly through main control magnet with the magnet presses the restoration.

According to the utility model discloses magnetic control knob has following beneficial effect at least: the user not only can be through rotatory domestic appliance's relevant functional parameter is adjusted to the knob body, can also be through pressing other function switches that the subassembly controlled domestic appliance press, when the user removed the pressing force, the subassembly that presses can pass through master control magnet with the magnet is pressed and is reset for the magnetic control knob has the function of rotatory regulation and control and press the control concurrently, and the user's of being more convenient for operation has greatly improved user's use and has experienced.

According to some embodiments of the utility model, the magnetic control knob still includes the magnetic induction module, the knob body with the magnetic induction module interval sets up.

According to some embodiments of the utility model, the magnetic induction module includes mounting panel and magnetic induction sensor, magnetic induction sensor is fixed to be established on the mounting panel.

According to some embodiments of the invention, the main control magnet's magnetic pole axisymmetric distribution.

According to the utility model discloses a some embodiments, magnetic induction sensor is located under the main control magnet, magnetic induction sensor is used for detecting the rotation angle and the discernment of main control magnet the operation of pressing down of main control magnet.

According to some embodiments of the invention, the magnetic induction sensor is a magneto-sensitive angle sensor, the model of which comprises AS5600, AS5601, AS5162, AS5100 or AS 5200L.

According to some embodiments of the utility model, still fixedly on the mounting panel be equipped with second annular positioning magnet, second annular positioning magnet with first annular positioning magnet corresponds the setting and inter attraction.

According to some embodiments of the utility model, the moving part is equipped with and holds the chamber, it has inlayed to hold the intracavity master control magnet.

According to some embodiments of the invention, the upper end cap is connected with a pressing film, the pressing film is covered above the magnet, and the pressing member abuts against the pressing film.

According to the utility model discloses a domestic appliance of second aspect embodiment, including operating panel and foretell magnetic control knob, the knob body with magnetic induction module is located respectively operating panel's the outside and inboard, mounting panel fixed connection be in on operating panel's the medial surface, knob body swing joint be in on operating panel's the lateral surface.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

fig. 2 is an assembly diagram between the knob body and the magnetic induction module according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1, according to the magnetic control knob of the first aspect embodiment of the present invention, including the knob body 10, the pressing assembly 300 and the main control magnet 400, the knob body 10 includes the upper end cover 100 and the lower end cover 200, specifically, the upper end cover 100 is a cylinder with an inner cavity, the upper end cover 100 is provided with an open bottom and a top, the lower end cover 200 is a circular substrate with a partition 210, and the upper end cover 100 is fastened on the lower end cover 200. A first annular positioning magnet 220 is fixedly arranged on the lower end cover 200, and magnetic poles of the first annular positioning magnet 220 are radially and symmetrically distributed; the upper end cap 100 is fixedly connected with a magnet 110 having a mounting hole 111, the magnet 110 is covered on the top of the upper end cap 100, and the magnet 110 is made of magnetizable metal, such as iron or steel. Specifically, the magnet 110 is provided with a bolt hole, the partition plate 210 of the lower end cover 200 is provided with a threaded hole 211, the magnet 110 and the lower end cover 200 are fixedly connected through a bolt 112, and the magnet 110 is placed on the top of the upper end cover 100, so that the upper end cover 100 and the lower end cover 200 are fixedly connected together.

The pressing assembly 300 passes through the mounting hole 111 and can move in the up-down direction, the pressing assembly 300 includes a pressing member 310 and a moving member 320, the pressing member 310 and the moving member 320 are respectively located at the upper side and the lower side of the magnet 110, the upper side of the magnet 110 represents the outside of the knob body 10, the lower side of the magnet 110 represents the inside of the knob body 10, the maximum size of the pressing member 310 is larger than the size of the mounting hole 111, the maximum size of the moving member 320 is larger than the size of the mounting hole 111, and a user can press the pressing member 310 to move the moving member 320 downwards. In order to facilitate the installation of the pressing assembly 300, the pressing member 310 and the moving member 320 are connected by fastening, so that the pressing member 310 and the moving member 320 can be separated.

Moving part 320 is equipped with and holds chamber 321, it has embedded to hold chamber 321 master control magnet 400, master control magnet 400's magnetic pole axisymmetric distribution, master control magnet 400 is located in the inner ring of first annular positioning magnet 220, master control magnet 400 with be equipped with between the first annular positioning magnet 220 baffle 210, master control magnet 400 with leave between the lower end cover 200 and press clearance 101, master control magnet 400 with magnet 110 carries out magnetism and connects, press the subassembly 300 to pass through master control magnet 400 with magnet 110 presses and resets. It can be understood that, as long as main control magnet 400 can drive through magnetism moving part 320 presses and resets, no matter moving part 320 with main control magnet 400 installs the setting through what kind of mode, also belongs to the utility model discloses a scope of protection equally. It should be further noted that the magnetic attraction between the main control magnet 400 and the magnet 110 is related to the material and thickness of the main control magnet 400 and the material and thickness of the magnet 110, so that a manufacturer can select the specifications of the main control magnet 400 and the magnet 110 adaptively to ensure that the magnetic attraction between the main control magnet 400 and the magnet 110 is not too large or too small, and if the magnetic attraction between the main control magnet 400 and the magnet 110 is too large, it is difficult for a user to separate the main control magnet 400 from the magnet 110 by pressing the pressing part 310; if the magnetic attraction between the two magnets is too small, the magnetic attraction between the two magnets is not enough to overcome the sum of the gravity of the pressing assembly 300 and the main control magnet 400, so that the pressing assembly 300 cannot be pressed and reset by the main control magnet 400 and the magnet 110.

As shown in fig. 2, in order to enable a user to recognize the manipulation of the knob body 10 by a controller (not shown in the drawings), the magnetic control knob further includes a magnetic induction module 600, the magnetic induction module 600 includes a mounting plate 610, a magnetic induction sensor 620 and a second annular positioning magnet 630, and the magnetic induction sensor 620 and the second annular positioning magnet 630 are both fixedly disposed on the mounting plate 610; the controller comprises but is not limited to a single chip microcomputer, an FPGA or a PLC, and the magnetic induction sensor 620 is in electrical signal connection with the controller. The magnetic induction sensor 620 is configured to detect a rotation angle of the main control magnet 400 and identify a pressing operation of the main control magnet 400, the magnetic induction sensor 620 is located right below the main control magnet 400, the magnetic induction sensor 620 is specifically a magnetic sensitive angle sensor, and the model includes, but is not limited to, AS5600, AS5162, AS5100, or AS5200L, but since the magnetic sensitive angle sensor of the model AS5600 has good correlation, the model of the magnetic sensitive angle sensor is preferably AS 5600. It should be further noted that, since the magnetic angle sensor is the prior art, the embodiment does not describe in detail the internal structure and the working principle of the magnetic angle sensor; the magnetic-sensing angle sensor can detect the rotation angle of the magnetic pole of the main control magnet 400 and feed back the detection signal to the controller, so that the controller can adjust relevant functional parameters such as the rotation speed of the motor and the temperature of the heating wire according to the rotation angle of the magnetic pole of the main control magnet 400; meanwhile, when the main control magnet 400 has a displacement change in the longitudinal direction with respect to the magnetic-sensing angle sensor, the magnetic-sensing angle sensor can effectively recognize the change in the strength of the magnetic field caused by the longitudinal displacement change and feed back the recognition signal to the controller, so that the controller can control other function switches, such as the operation of the motor, the on/off of the illumination lamp, and the like, according to the longitudinal displacement change of the main control magnet 400. Because the magnetic-sensing angle sensor is a non-contact sensor, the knob body 10 and the magnetic induction module 600 can be arranged at intervals, the operation panel 500 is arranged between the knob body 10 and the magnetic induction module 600, and the second annular positioning magnet 630 and the first annular positioning magnet 220 are correspondingly arranged and mutually attracted, so that the knob body 10 can be movably arranged on the operation panel 500 and can not be displaced randomly.

In some embodiments of the present invention, the upper end cap 100 is connected to a pressing film 120, the pressing film 120 covers the upper side of the magnet 110, the pressing member 310 is located between the pressing film 120 and the magnet 110, and the pressing member 310 abuts against the pressing film 120. The pressing film 120 is made of a soft material, such as rubber, plastic, etc., and the pressing film 120 is mainly used to protect components inside the knob body 10 from being contaminated by external contaminants.

As shown in fig. 2, the household electrical appliance according to the second aspect of the present invention comprises the magnetic control knob according to the above first aspect of the present invention and an operation panel 500, wherein the knob body 10 and the magnetic induction module 600 are respectively located at the outer side and the inner side of the operation panel 500, the inner side of the operation panel 500 represents the inside of the household electrical appliance, and the outer side of the operation panel 500 represents the outside of the household electrical appliance; mounting panel 610 fixed connection be in on operating panel 500's the medial surface, knob body 10 swing joint be in on operating panel 500's the lateral surface, the user not only can be through whole rotation related function parameter that domestic appliance was adjusted to knob body 10 can also be through pressing other function switch that domestic appliance was controlled to pressing subassembly 300 for domestic appliance is more convenient for user's operation, has greatly improved user's use and has experienced.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A magnetic control knob is characterized by comprising:

2. The magnetically controlled knob according to claim 1, wherein: still include the magnetic induction module, the knob body with the magnetic induction module interval sets up.

3. The magnetically controlled knob according to claim 2, wherein: the magnetic induction module comprises a mounting plate and a magnetic induction sensor, wherein the magnetic induction sensor is fixedly arranged on the mounting plate.

4. The magnetically controlled knob according to claim 3, wherein: the magnetic poles of the main control magnet are distributed in an axisymmetric manner.

5. The magnetically controlled knob according to claim 4, wherein: the magnetic induction sensor is located under the main control magnet, and the magnetic induction sensor is used for detecting the rotation angle of the main control magnet and identifying the pressing operation of the main control magnet.

6. The magnetically controlled knob according to claim 5, wherein: the magnetic induction sensor is a magnetic induction angle sensor, and the model of the magnetic induction angle sensor comprises AS5600, AS5601, AS5162, AS5100 or AS 5200L.

7. The magnetically controlled knob according to claim 3, wherein: still fixedly on the mounting panel be equipped with second annular positioning magnet, second annular positioning magnet with first annular positioning magnet corresponds the setting and inter attraction.

8. The magnetically controlled knob according to claim 1, wherein: the moving part is provided with a containing cavity, and the main control magnet is embedded in the containing cavity.

9. The magnetically controlled knob according to claim 1, wherein: the upper end cover is connected with a pressing film, the pressing film is covered above the magnet, and the pressing component is abutted to the pressing film.

10. Household appliance, characterized in that it comprises a magnetically controlled knob according to any one of claims 3 to 7, further comprising: operating panel, the knob body with magnetic induction module is located respectively operating panel's the outside and inboard, mounting panel fixed connection be in on operating panel's the medial surface, knob body swing joint be in on operating panel's the lateral surface.