CN211551694U - Rotary operating system of household appliance and household appliance - Google Patents
Rotary operating system of household appliance and household appliance Download PDFInfo
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- CN211551694U CN211551694U CN201921909063.3U CN201921909063U CN211551694U CN 211551694 U CN211551694 U CN 211551694U CN 201921909063 U CN201921909063 U CN 201921909063U CN 211551694 U CN211551694 U CN 211551694U
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Abstract
The application belongs to the technical field of household appliances, and relates to a rotary operating system of a household appliance and the household appliance. The rotary operating system of the household appliance comprises a knob, an operating panel and an induction circuit board, wherein the knob and the induction circuit board are respectively arranged on two sides of the operating panel, and the knob is provided with an induction magnet and a first positioning magnet; the induction circuit board is provided with a magnetic field sensor corresponding to the induction magnet and a second positioning magnet corresponding to the first positioning magnet, and the first positioning magnet and the second positioning magnet are attracted to position the knob on the operation panel in the use state of the knob; the sensing circuit board is also provided with a touch magnet corresponding to the sensing magnet, and the knob drives the sensing magnet to displace in the rotating process so as to enable orthographic projections of the sensing magnet and the touch magnet on the operation panel to be mutually overlapped or staggered. The gear hand feeling of an operator can be enhanced, the accuracy of micro-step adjustment is increased, and errors are avoided when the micro-step adjustment is carried out.
Description
Technical Field
The application belongs to the technical field of household appliances, and particularly relates to a rotary operating system of a household appliance and the household appliance.
Background
Some existing household appliances use magnetic control type induction knob switches, for example, in the field of kitchen range products, the adjustment of the firepower, the time and the like of the kitchen range can be realized through the rotation operation of the induction knob.
The existing induction knob scheme is generally composed of a knob and an induction circuit. The center of the knob and the induction circuit board are respectively provided with a magnet for rotating and fixing; the knob is provided with a detection component (usually a magnetic element or a metal electrode), and the corresponding circuit board is provided with an induction component (usually a Hall device or a capacitance induction circuit). During the rotation of the knob, the sensing circuit recognizes the rotation by sensing the change of the magnetic field or the capacitance. However, the existing sensing knob solution has the disadvantages that the knob does not have hand feeling when rotating, the accuracy of the microstep adjustment is reduced, and the error is easy to occur during the microstep adjustment.
In view of this, the present application is specifically made.
Disclosure of Invention
A first object of the present application is to provide a rotary operating system of a home appliance to enhance the hand feeling or touch feeling of an operator, increase the accuracy of microstep adjustment, avoid errors occurring in microstep adjustment, and overcome the above problems or at least partially solve the above technical problems.
A second object of the present application is to provide a household appliance comprising a rotating operating system of said household appliance, which overcomes or at least partially solves the above mentioned technical problems.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
in a first aspect, a rotary operating system of a household appliance is provided, which comprises a knob, an operating panel and an induction circuit board, wherein the knob and the induction circuit board are respectively arranged on two sides of the operating panel;
the knob is provided with an induction magnet and a first positioning magnet;
the induction circuit board is provided with a magnetic field sensor corresponding to the induction magnet, and is provided with a second positioning magnet corresponding to the first positioning magnet, and in the use state of the knob, the first positioning magnet and the second positioning magnet are attracted to position the knob on the operation panel;
the induction circuit board corresponds induction magnet still is provided with sense of touch magnet, the knob rotates the in-process and drives induction magnet takes place the displacement, so that induction magnet with sense of touch magnet in orthographic projection on operating panel coincides each other or staggers.
It should be noted that the overlapping is understood to include both the completely overlapping and the partially overlapping. Mutual staggering is also understood to include both complete and partial staggering.
Therefore, the rotary operating system of the household appliance can position the knob and the induction circuit board on two sides of the operating panel through the mutual attraction of the first positioning magnet and the second magnet, and can also enhance the hand feeling or the touch feeling of an operator through the interaction of the induction magnet and the touch feeling magnet, so that the accuracy of microstep adjustment is increased, and errors are avoided when the microstep adjustment is carried out. Further, the knob rotates the in-process and can drive induction magnet and take place the displacement, can make induction magnet and sense of touch magnet coincide each other or stagger in the orthographic projection on operating panel, can produce the resistance effect at this in-process, can make the operator have obvious sense of touch, changes in with accurate rotation to predetermined (specific) gear, not only helps improving regulation or control accuracy like this, still helps promoting user's actual experience effect.
Optionally, the knob is provided with a plurality of the induction magnets, and the plurality of induction magnets are distributed on the first circumference and arranged at intervals;
the induction circuit board is provided with a plurality of sense of touch magnet, it is a plurality of sense of touch magnet distributes in the second circumference, and interval arrangement, sense of touch magnet be suitable for with the corresponding actuation of induction magnet.
In some embodiments, a plurality of induction magnets are arranged on the first circumference at intervals to help form a plurality of gears, a plurality of touch magnets are arranged on the second circumference at intervals to help increase the hand feeling of an operator, and one side of the induction magnets facing the operation panel and one side of the touch magnets facing the operation panel can have opposite magnetic poles, so that the touch magnets and the induction magnets can mutually induce and generate mutual attraction; when the knob is rotatory, can attract each other when orthographic projection on operating panel is coincided each other for both, the gear can be located this projection coincidence department, and orthographic projection on operating panel from coincidence each other to the transformation in-process that staggers each other when both can produce the resistance effect, and then makes the operator produce obvious sense of touch, has improved the degree of accuracy of microstep regulation.
Optionally, the knob is provided with a plurality of the induction magnets, and the plurality of induction magnets are distributed on the first circumference and arranged at intervals;
the induction circuit board is provided with a plurality of the touch magnets, the touch magnets are distributed on the second circumference and are arranged at intervals, and the touch magnets are suitable for repelling corresponding to the induction magnets.
In other embodiments, a plurality of induction magnets are arranged on the first circumference at intervals to help form a plurality of gears, a plurality of touch magnets are arranged on the second circumference at intervals to help increase the hand feeling of an operator, the side of the induction magnets facing the operation panel and the side of the touch magnets facing the operation panel can have the same magnetic pole, and the touch magnets and the induction magnets can mutually induce and generate mutual repulsion action; when the knob is rotatory, the gear can set up in the mutual department of staggering of orthographic projection of response magnet and sense of touch magnet on operating panel, can repel each other when orthographic projection of both on operating panel coincides each other, and the in-process that the orthographic projection of both on operating panel changed from staggering each other to mutual coincidence can produce the resistance effect, and then makes the operator produce obvious sense of touch, has improved the degree of accuracy of microstep regulation.
It can be understood that in the technical solution of the present application, the side of the induction magnet facing the operation panel and the side of the touch magnet facing the operation panel may have the same magnetic pole or opposite magnetic poles, that is, the two may be attracted to each other or repelled from each other correspondingly, and both of the two different ways contribute to increasing the hand feeling of the operator and improving the accuracy of operation or control. In practical application, the setting can be selectively set according to the requirement of the actual structure design.
Optionally, the orthographic projection of the first circumference and the orthographic projection of the second circumference on the operation panel coincide. The radius of the first circumference can be equal to that of the second circumference, when orthographic projections of the first circumference and the second circumference on the operation panel are overlapped, the interaction between the induction magnet and the touch magnet is facilitated, the positioning is accurate, and the adjustment or control precision is improved.
Optionally, orthographic projections of the first circumference and the second circumference on the operation panel are mutually staggered, and the induction magnet and the touch magnet can interact.
It is understood that the radius of the first circle and the radius of the second circle may be equal, and more generally, the radius of the first circle and the radius of the second circle may be slightly different, as long as the sensing magnet and the tactile magnet can mutually sense and generate a mutual acting force. Therefore, the micro-step adjusting device has the advantages of better adaptability, strong structural universality and low production requirement, and can also increase the hand feeling of an operator and improve the accuracy of micro-step adjustment.
It should be noted that, the distance between the orthographic projections of the first circumference and the second circumference on the operation panel is not likely to be too large, that is, the difference between the radius of the first circumference and the radius of the second circumference is not likely to be too large, and it is necessary to enable the induction magnet and the tactile magnet to interact to increase the hand feeling of the operator. Specifically, it is necessary to arrange appropriately according to the specific type of the induction magnet, the specific type of the tactile magnet, the medium in the magnetic field, and the like.
Optionally, the number of the induction magnets is greater than the number of the tactile magnets. The quantity of induction magnet and the quantity of sense of touch magnet vary, and a plurality of induction magnet settings can be used for forming a plurality of gears, and the sense of touch magnet be provided with and help increasing operator's feeling, improve the degree of accuracy of microstep regulation. Because too many tactile magnets are arranged on the circuit board, the resistance force generated by the rotation of the knob can be large, and the comfort level of an operator can be influenced, so that the number of the tactile magnets is not easy to be too large, and the number of the tactile magnets can be two, three, four and the like. Therefore, on the basis of ensuring the accuracy of microstep adjustment, the number of the tactile magnets can be properly reduced, so that the comfort of an operator is improved, and the use experience of a user is improved.
Optionally, the number of the induction magnets is less than or equal to the number of the tactile magnets. The induction circuit board can be provided with a plurality of induction parts, and the plurality of induction parts and the induction magnet interact with each other to form a plurality of gears.
Optionally, the sensing circuit board is provided with a plurality of touch magnets and a plurality of sensing parts, and the knob is provided with one sensing magnet.
Optionally, the induction circuit board is provided with two tactile magnets, and the two tactile magnets are respectively located at two ends of the second circumference with the same diameter.
It should be understood that, the number of the tactile magnets includes but is not limited to two, exemplarily, in order to ensure the fixing and the rotation of the rotating operation system, two tactile magnets are generally arranged on the sensing circuit board, especially two tactile magnets are arranged at opposite angles of the sensing circuit board respectively, that is, two tactile magnets can be arranged at two ends of the same diameter of the second circumference respectively, so that the hand feeling of an operator can be increased, the accuracy of micro-step adjustment can be improved, the comfort of the operator can be improved, the actual experience effect is better, the structure is simple, and the production cost is lower.
Optionally, the tactile magnets and the magnetic field sensors are distributed on the same circumference. The sense of touch magnet and magnetic field sensor all can set up on the response circuit board, and wherein, the sense of touch magnet can be with the response magnet interact in the knob in order to increase operator's feeling, and magnetic field sensor can be connected with control circuit board electricity, and magnetic field sensor can be used for generating induction signal and transmitting to control circuit board with the response magnet mutual induction. The touch magnet and the magnetic field sensor are distributed on the same circumference, for example, the touch magnet and the magnetic field sensor are distributed on the second circumference, so that the interaction of the induction magnet, the touch magnet and the magnetic field sensor is facilitated, the controllability is good, the structure is simple, and the operation is convenient.
Optionally, the touch sensing magnet and the magnetic field sensor have a predetermined distance therebetween, so that the magnetic field sensor is located outside the magnetic field range of the touch sensing magnet. The sense of touch magnet and magnetic field sensor all can set up on the response circuit board, and the interval arrangement, have certain distance between the two to make magnetic field sensor be located the magnetic field scope of sense of touch magnet outside, magnetic field sensor promptly does not interact with sense of touch magnet mutually induction or interact, can avoid the magnetic field radiation of sense of touch magnet to the interference of gear adjustment, further improve control accuracy.
In order to eliminate or reduce the influence of the tactile magnet on the magnetic field sensor, the tactile magnet and the magnetic field sensor may be disposed at a predetermined distance at the same circumferential avoiding position, or the magnetic field sensor may be selected to be insensitive to the polarity of the side of the tactile magnet facing the operation panel and sensitive only to the polarity of the side of the induction magnet facing the operation panel when the magnetic field sensor is selected.
The predetermined distance is not limited in the present application, and may be determined according to the design of the actual structure.
Optionally, the magnetic field sensor is located within the magnetic field range of the induction magnet. The magnetic field sensor is sensitive to the polarity of one side of the induction magnet, which faces the operation panel; like this, drive induction magnet rotation process at the knob, can trigger magnetic field sensor and open, magnetic field sensor can be used for the response or detect induction magnet's magnetic field intensity or the change of angle etc. magnetic field sensor can be connected with control circuit board electricity to change transmission to control system or microcontroller with gear information or the signal that produces.
Optionally, the plurality of induction magnets are distributed on a first circumference and arranged at intervals, and the first positioning magnet is located at the center of the first circumference;
the touch magnets are distributed on a second circumference and arranged at intervals, and the second positioning magnet is located at the center of the second circumference. Based on the scheme, the whole structure of the rotary operating system is good in symmetry, convenient to position and operate, simple in structure and convenient to manufacture.
In a second aspect, a household appliance is provided, which comprises the aforementioned rotating operating system of the household appliance.
It should be noted that the household appliance is understood to include a household appliance main body and a rotary operating system installed on the household appliance main body, wherein the knob operating system is the rotary operating system of the household appliance.
The household appliance comprises the rotary operating system of the household appliance, so that the household appliance at least has the same technical effect as the rotary operating system of the household appliance in any one of the technical schemes, and the details are not repeated herein.
Optionally, the household appliance comprises a kitchen range. The rotary operating system of the household appliance can be applied to a kitchen range and is used for adjusting firepower of the kitchen range, adjusting gears or opening/closing the kitchen range.
It should be understood that, in the technical solution of the present invention, the rotary operating system of the household appliance is not limited to be applied to the kitchen range, and can also be applied to household appliances other than the kitchen range.
Optionally, the cooking appliance comprises an electromagnetic oven or a gas oven. In some embodiments, the cooktop can be a gas cooker. In other embodiments, the cooktop can be an induction cooker. In addition, the cooker can also be a cooker with the functions of a gas stove and an electromagnetic cooker. In the technical solution of the present invention, the types of the cookers are not limited to an electromagnetic cooker and a gas cooker.
Compared with the prior art, the technical scheme provided by the application can achieve the following beneficial effects:
the rotary operating system of the household appliance comprises an operating panel, knobs and an induction circuit board, wherein the knobs and the induction circuit board are distributed on two sides of the operating panel; wherein, the knob is equipped with induction magnet and first location magnet, and induction circuit board is equipped with sense of touch magnet, magnetic field sensor and second location magnet. This domestic appliance's rotatory operating system can be through the inter attraction effect of first positioning magnet and second magnet and fix a position knob and induction circuit board in operating panel's both sides, can generate the sensing signal through induction magnet and magnetic field sensor mutual induction, can also strengthen operator's feeling or sense of touch through induction magnet and the interact of sense of touch magnet, and then increase the degree of accuracy of microstep regulation, avoid appearing the mistake when microstep is adjusted. Further, the knob rotates the in-process and can drive induction magnet and take place the displacement, can make induction magnet and sense of touch magnet coincide each other or stagger in the orthographic projection on operating panel, can produce the resistance effect at this in-process, can make the operator have obvious sense of touch, changes in with accurate rotation to predetermined (specific) gear, not only helps improving regulation or control accuracy like this, still helps promoting user's actual experience effect.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Other features and advantages of the present application will be described in the detailed description which follows, in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a rotary operating system of a household appliance according to an embodiment of the present application;
fig. 2 is a schematic diagram illustrating an arrangement of induction magnets according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a distribution structure of tactile magnets according to an embodiment of the present application;
fig. 4 is a schematic diagram illustrating a distribution structure of a tactile magnet and a magnetic field sensor according to an embodiment of the present application.
Reference numerals:
1-a knob;
101-an induction magnet;
102-a first positioning magnet;
2-an operation panel;
3-an induction circuit board;
301-a tactile magnet;
302-a second positioning magnet;
303-magnetic field sensor.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application are described in further detail below with reference to the accompanying drawings in the embodiments of the present application. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
In the description of the present application, it is noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and thus, for example, "connected" may be a fixed connection, a removable connection, an integral connection, or an electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As is understood by those skilled in the art, in the conventional rotating operation system of the household appliance, in the process of rotating the knob, the sensing circuit senses the rotation by sensing the change of the magnetic field or the capacitance, so that an operator does not feel the hand when the knob is rotated, and the operator is prone to making mistakes during microstep adjustment.
In order to overcome the defects of the prior art, the technical scheme of the embodiment of the application provides a rotary operating system of a household appliance, the system comprises a knob, an operating panel and an induction circuit board, wherein the knob and the induction circuit board are respectively arranged on two sides of the operating panel; the knob is provided with an induction magnet and a first positioning magnet; the induction circuit board is provided with a magnetic field sensor corresponding to the induction magnet, and is provided with a second positioning magnet corresponding to the first positioning magnet, and in the use state of the knob, the first positioning magnet and the second positioning magnet are attracted to position the knob on the operation panel; the induction circuit board corresponds induction magnet still is provided with sense of touch magnet, the knob rotates the in-process and drives induction magnet takes place the displacement, so that induction magnet with sense of touch magnet in orthographic projection on operating panel coincides each other or staggers.
Technical solution of the present application provides a rotating operation system capable of increasing hand feeling of an operator, and the rotating operation system can increase accuracy of microstep adjustment, avoid error occurrence during microstep adjustment, improve control accuracy, be applicable to various household appliances, and improve user experience of the household appliances.
Fig. 1 to 4 are schematic structural diagrams illustrating a rotary operating system of a household appliance according to an embodiment of the present application. A household appliance is understood to include a household appliance body and a rotary operating system mounted on the household appliance body. The household appliances can comprise cookers and other household appliances needing to be provided with knobs. The rotary operating system can be used for controlling the on-off state of the household appliance and also can be used for adjusting the working gear of the household appliance.
For simplification, the embodiment of the present application specifically explains the rotating operation system of the household appliance by taking the cooker as an example. The cooker can comprise an electromagnetic cooker and a gas cooker.
Specifically, referring to fig. 1, a rotary operating system for a cooktop (not shown) may include: the induction circuit board comprises a knob 1, an operation panel 2 and an induction circuit board 3, wherein the knob 1 and the induction circuit board 3 are respectively arranged on two sides of the operation panel 2; the knob 1 is provided with an induction magnet 101 and a first positioning magnet 102; the induction circuit board 3 is provided with a magnetic field sensor 303 corresponding to the induction magnet 101 and a second positioning magnet 302 corresponding to the first positioning magnet 102, and in the use state of the knob 1, the first positioning magnet 102 and the second positioning magnet 302 are attracted to position the knob 1 on the operation panel 2; the sensing circuit board 3 is further provided with a touch magnet 301 corresponding to the sensing magnet 101, and the knob 1 drives the sensing magnet 101 to displace during rotation, so that orthographic projections of the sensing magnet 101 and the touch magnet 301 on the operation panel 2 are mutually overlapped or staggered.
The operation panel 2 can be understood as a table top of the cooker body, especially a table top of the cooker body at the installation position of the knob 1. In general, the rotary knob 1 and the sensing circuit board 3 are correspondingly disposed on both sides of the operation panel 2, wherein the rotary knob 1 is disposed on the outer side of the operation panel 2, and the sensing circuit board 3 is disposed on the inner side of the operation panel 2. The induction circuit board 3 is arranged inside the cooker body. The knob 1 and the induction circuit board 3 may be fixed or positioned by the first positioning magnet 102 and the second positioning magnet 302 attracting each other.
The induction magnet 101 in the knob 1 can be mutually inducted with the magnetic field sensor 303 on the induction circuit board 3, and the magnetic field sensor 303 can be used for inducting or detecting the magnetic field change of the induction magnet 101, generating an induction signal and transmitting the induction signal to the microcontroller or the control system. It should be understood that the microcontroller or control system is a well-known control device in the existing household appliance, and the present application is not limited thereto.
It should be noted that the overlapping is understood to include both the completely overlapping and the partially overlapping. That is, the orthographic projection of the induction magnet 101 on the operation panel 2 and the orthographic projection of the tactile magnet 301 on the operation panel 2 may be completely overlapped (aligned) or partially overlapped.
In a possible embodiment, the knob 1 has a housing, inside which a closed housing cavity is formed, in which the induction magnet 101 and the first positioning magnet 102 are fixed.
The fixing method of the induction magnet 101 and the first positioning magnet 102 is not particularly limited, and may be, for example, fixed in the corresponding mounting holes, or bonded in the casing.
As shown in fig. 2 to 4, in one possible embodiment, the knob 1 is provided with a plurality of induction magnets 101, and the plurality of induction magnets 101 are distributed on a first circumference and arranged at intervals; specifically, the plurality of induction magnets 101 may be arranged at uniform, spaced intervals on the first circumference;
the induction circuit board 3 is provided with a plurality of touch-sensing magnets 301, the plurality of touch-sensing magnets 301 are distributed on the second circumference and are arranged at intervals, and the touch-sensing magnets 301 are suitable for being attracted correspondingly to the induction magnets 101.
It can be understood that the arrangement of the plurality of induction magnets 101 at intervals on the first circumference helps to form a plurality of shift positions, the arrangement of the plurality of tactile magnets 301 at intervals on the second circumference helps to increase the hand feeling of the operator, and the side of the induction magnet 101 facing the operation panel 2 and the side of the tactile magnet 301 facing the operation panel 2 may have opposite magnetic poles, so that the tactile magnet 301 and the induction magnet 101 can mutually induce and generate the mutual attraction effect; when knob 1 is rotatory, can attract each other when orthographic projection on operating panel 2 is coincided each other for both, the gear can be located this projection coincidence department, and the orthographic projection of both on operating panel 2 is from the conversion in-process of mutual coincidence to staggering each other, can produce the resistance effect, and then makes the operator produce obvious gear and feel, improves the degree of accuracy of microstep regulation.
As shown in fig. 2 to 4, in another possible embodiment, the knob 1 is provided with a plurality of induction magnets 101, and the plurality of induction magnets 101 are distributed on a first circumference and arranged at intervals; specifically, the plurality of induction magnets 101 may be arranged at uniform, spaced intervals on the first circumference;
the sensing circuit board 3 is provided with a plurality of touch sensing magnets 301, the plurality of touch sensing magnets 301 are distributed on the second circumference and are arranged at intervals, and the touch sensing magnets 301 are suitable for repelling corresponding sensing magnets 101.
It should also be understood that the arrangement of a plurality of induction magnets 101 at intervals on the first circumference helps to form a plurality of shift positions, the arrangement of a plurality of tactile magnets 301 at intervals on the second circumference helps to increase the feeling of the operator, the side of the induction magnet 101 facing the operation panel 2 and the side of the tactile magnet 301 facing the operation panel 2 may have the same magnetic pole, and the tactile magnet 301 and the induction magnet 101 may be caused to mutually induce and generate a mutual repulsive action; when knob 1 is rotatory, the gear can set up in induction magnet 101 and the mutual department of staggering of sense of touch magnet 301 orthographic projection on operating panel 2, can repel each other when orthographic projection of both on operating panel 2 coincides each other, and the in-process that the orthographic projection of both on operating panel 2 changed from staggering each other to mutual coincidence can produce the resistance effect, and then makes the operator produce obvious gear and feel, improves the degree of accuracy of microstep regulation.
As can be seen from the above, as an embodiment of the present invention, the side of the inductive magnet 101 facing the operation panel 2 and the side of the tactile magnet 301 facing the operation panel 2 may have the same magnetic pole, and the tactile magnet 301 is adapted to be attracted to the inductive magnet 101. As another embodiment of the present application, a side of the induction magnet 101 facing the operation panel 2 and a side of the tactile magnet 301 facing the operation panel 2 may have opposite magnetic poles, and the tactile magnet 301 is adapted to repel correspondingly to the induction magnet 101. Both modes are helpful for increasing the gear hand feeling of an operator and improving the accuracy of operation or control. In practical application, the setting can be selectively set according to the requirement of the actual structure design.
In a possible embodiment, the orthographic projection of the first and second circumferences on the operating panel 2 coincide.
In another possible embodiment, the orthographic projections of the first circumference and the second circumference on the operation panel 2 are mutually offset, and the induction magnet 101 and the tactile magnet 301 can interact.
It is understood that, as an embodiment of the present application, the radius of the first circle and the radius of the second circle may be equal, and the orthographic projection of the first circle and the second circle on the operation panel 2 coincides. As another embodiment of the present application, the radius of the first circumference may be slightly different from the radius of the second circumference, and orthographic projections of the first circumference and the second circumference on the operation panel 2 are offset from each other, and the sensing magnet 101 and the tactile magnet 301 need to be able to mutually sense and generate a mutual acting force. Therefore, the adaptability is better, the structural universality is strong, the gear hand feeling of an operator can be increased, the accuracy of microstep adjustment is improved, and the adjustment or control precision is improved.
It should be noted that, the distance between the orthographic projections of the first circumference and the second circumference on the operation panel 2 is not likely to be too large, that is, the radius of the first circumference is not likely to be too large different from the radius of the second circumference, and it is necessary to enable the induction magnet 101 and the tactile magnet 301 to interact with each other to increase the hand feeling of the operator. Specifically, it is necessary to arrange appropriately according to the specific type of the induction magnet 101, the specific type of the tactile magnet 301, the medium in the magnetic field, and the like.
As shown in fig. 2 to 4, in one possible embodiment, the number of the induction magnets 101 is greater than the number of the tactile magnets 301. The number of the induction magnets 101 is different from that of the touch magnets 301, the plurality of induction magnets 101 can be used for forming a plurality of gears, and the touch magnets 301 are used for increasing the hand feeling of an operator and improving the accuracy of microstep adjustment. Since the touch magnets 301 are disposed on the circuit board in an excessive number, the knob 1 may have a large resistance to rotation, which may affect the comfort of the operator, and thus the number of the touch magnets 301 is not likely to be excessive, and the number of the touch magnets 301 may be, for example, two, three, four, etc. Therefore, on the basis of ensuring the accuracy of microstep adjustment, the number of the tactile magnets 301 can be appropriately reduced, so that the comfort of an operator is improved, and the use experience of a user is improved.
In another possible embodiment, the number of the induction magnets 101 is equal to or less than the number of the tactile magnets 301. A plurality of induction members (not shown) may be provided on the induction circuit board 3, and the plurality of induction members and the induction magnet 101 may interact with each other to form a plurality of shift positions.
In another possible embodiment, the sensing circuit board 3 is provided with a plurality of touch sensing magnets 301 and a plurality of sensing parts, and the knob 1 is provided with one sensing magnet 101.
Specifically, as shown in fig. 3, in the present preferred embodiment, the induction circuit board 3 is provided with two touch-sensitive magnets 301, and the two touch-sensitive magnets 301 are respectively located at both ends of the second circumference having the same diameter. It should be understood that, the number of the touch sensing magnets 301 includes, but is not limited to, two, for example, to ensure the fixing and rotation of the rotating operation system, two touch sensing magnets 301 are generally disposed on the sensing circuit board 3, especially two touch sensing magnets 301 are disposed at opposite corners of the sensing circuit board 3, that is, two touch sensing magnets 301 may be disposed at two ends of the same diameter of the second circumference, so that not only the hand feeling of the operator may be increased, the accuracy of the microstep adjustment may be improved, but also the comfort of the operator may be improved, the actual experience effect is better, the structure is simple, and the production cost is lower.
The specific number of the induction magnets 101 is not particularly limited, and may be determined according to the actual structural design of the knob 1.
In one possible embodiment, as shown in fig. 4, the tactile magnets 301 are distributed on the same circumference as the magnetic field sensors 303. The touch sensing magnet 301 and the magnetic field sensor 303 may be disposed on the sensing circuit board 3, wherein the touch sensing magnet 301 may interact with the sensing magnet 101 in the knob 1 to increase the hand feeling of the operator, the magnetic field sensor 303 may be electrically connected to the control circuit board, and the magnetic field sensor 303 may be configured to interact with the sensing magnet 101 to generate a sensing signal and transmit the sensing signal to the control circuit board. The touch magnet 301 and the magnetic field sensor 303 are distributed on the same circumference, for example, both are distributed on a second circumference, so that the interaction between the sensing magnet 101 and the touch magnet 301 and the magnetic field sensor 303 is facilitated, the controllability is good, the structure is simple, and the operation is convenient.
As shown in fig. 4, in one possible embodiment, the touch sensitive magnet 301 is spaced a predetermined distance from the magnetic field sensor 303 such that the magnetic field sensor 303 is located outside the magnetic field range of the touch sensitive magnet 301. The touch magnet 301 and the magnetic field sensor 303 can be both disposed on the sensing circuit board 3 and spaced apart from each other, and a certain distance is provided between the touch magnet 301 and the magnetic field sensor 303, so that the magnetic field sensor 303 is located outside the magnetic field range of the touch magnet 301, that is, the magnetic field sensor 303 does not interact with the touch magnet 301, thereby avoiding the interference of the magnetic field radiation of the touch magnet 301 on the gear adjustment, and further improving the control precision.
Those skilled in the art will appreciate that, in order to eliminate or reduce the influence of the tactile magnet 301 on the magnetic field sensor 303, it is possible to select the tactile magnet 301 and the magnetic field sensor 303 disposed at a predetermined distance at the same circumferential avoiding position, and it is also possible to select the magnetic field sensor 303 of a type insensitive to the polarity of the side of the tactile magnet 301 facing the operation panel 2 and select the magnetic field sensor 303 sensitive only to the polarity of the side of the sensing magnet 101 facing the operation panel 2 when selecting the magnetic field sensor 303.
The predetermined distance is not limited in the present application, and may be determined according to the design of the actual structure.
In one possible embodiment, the magnetic field sensor 303 is located within the magnetic field of the induction magnet 101. The magnetic field sensor 303 is sensitive to the polarity of the side of the induction magnet 101 facing the operation panel 2; like this, drive induction magnet 101 rotation in-process at knob 1, can trigger magnetic field sensor 303 and open, magnetic field sensor 303 can be used for the response or detect induction magnet 101 magnetic field intensity or the change of angle etc. magnetic field sensor 303 can be connected with control circuit board electricity to change transmission to control system or microcontroller with gear information or the signal that produces.
As shown in fig. 2 and 3, in one possible embodiment, a plurality of induction magnets 101 are distributed on a first circumference and are arranged at intervals, and a first positioning magnet 102 is located at the center of the first circumference; the plurality of touch sensing magnets 301 are distributed on the second circumference and arranged at intervals, and the second positioning magnet 302 is located at the center of the second circumference. Based on the scheme, the whole structure of the rotary operating system is good in symmetry, convenient to position and operate, simple in structure and convenient to manufacture.
The second positioning magnet 302 may be disposed above the induction circuit board 3, or may be disposed below the induction circuit board 3.
In one possible embodiment, at least one of the induction magnet 101, the tactile magnet 301, the first positioning magnet 102, and the second positioning magnet 302 is a cylinder, or may be a cube or a rectangular parallelepiped. Those skilled in the art can change the embodiments according to actual needs, and detailed description is omitted here.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (14)
1. A rotary operating system of household appliances comprises a knob (1), an operating panel (2) and an induction circuit board (3), wherein the knob (1) and the induction circuit board (3) are respectively arranged at two sides of the operating panel (2),
the knob (1) is provided with an induction magnet (101) and a first positioning magnet (102);
the induction circuit board (3) is provided with a magnetic field sensor (303) corresponding to the induction magnet (101), and is provided with a second positioning magnet (302) corresponding to the first positioning magnet (102), and in the use state of the knob (1), the first positioning magnet (102) and the second positioning magnet (302) are attracted to position the knob (1) on the operation panel (2);
the induction circuit board (3) corresponds induction magnet (101) still are provided with sense of touch magnet (301), knob (1) rotates the in-process and drives induction magnet (101) take place the displacement, so that induction magnet (101) with sense of touch magnet (301) in orthographic projection on operating panel (2) coincides each other or staggers.
2. The rotary operating system of a household appliance according to claim 1, characterized in that the knob (1) is provided with a plurality of said induction magnets (101), the plurality of said induction magnets (101) being distributed over a first circumference and being spaced apart;
the induction circuit board (3) is provided with a plurality of sense of touch magnet (301), and is a plurality of sense of touch magnet (301) distribute in the second circumference, and interval arrangement, sense of touch magnet (301) be suitable for with the corresponding actuation of induction magnet (101).
3. The rotary operating system of a household appliance according to claim 1, characterized in that the knob (1) is provided with a plurality of said induction magnets (101), the plurality of said induction magnets (101) being distributed over a first circumference and being spaced apart;
the induction circuit board (3) is provided with a plurality of the touch magnets (301), the touch magnets (301) are distributed on the second circumference and are arranged at intervals, and the touch magnets (301) are suitable for repelling corresponding to the induction magnets (101).
4. Rotary operating system of a household appliance according to claim 2 or 3, characterized in that the orthographic projection of the first and second circumference on the operating panel (2) coincide.
5. Rotary operating system of a household appliance according to claim 2 or 3, characterized in that the orthographic projections of the first and second circumferences on the operating panel (2) are mutually staggered and the induction magnet (101) and the tactile magnet (301) are able to interact.
6. A rotary operating system of a household appliance according to claim 2 or 3, characterized in that the induction circuit board (3) is provided with two tactile magnets (301), the two tactile magnets (301) being located at the two ends of the second circumference of the same diameter, respectively.
7. A rotary operating system of a household appliance according to claim 1, characterized in that the tactile magnets (301) and the magnetic field sensors (303) are distributed on the same circumference.
8. A rotating operating system of a household appliance according to claim 7, characterized in that the touch-sensitive magnet (301) has a predetermined distance to the magnetic field sensor (303) such that the magnetic field sensor (303) is located outside the magnetic field range of the touch-sensitive magnet (301).
9. A rotary operating system of a household appliance according to claim 1, characterized in that the magnetic field sensor (303) is located within the magnetic field range of the induction magnet (101).
10. A rotary operating system of a household appliance according to claim 1, characterized in that the number of induction magnets (101) is greater than the number of tactile magnets (301);
alternatively, the number of the induction magnets (101) is equal to or less than the number of the tactile magnets (301).
11. The rotary operating system of household appliances according to claim 1, wherein a plurality of the induction magnets (101) are distributed on a first circumference and are arranged at intervals, and the first positioning magnet (102) is located at the center of the first circumference;
the touch sensing magnets (301) are distributed on a second circumference and are arranged at intervals, and the second positioning magnet (302) is located at the center of the second circumference.
12. A household appliance, characterized in that it comprises a rotating operating system of a household appliance according to any one of claims 1 to 11.
13. The household appliance according to claim 12, wherein the household appliance comprises a kitchen range.
14. The household appliance according to claim 13, wherein the hob comprises an induction cooker or a gas cooker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921909063.3U CN211551694U (en) | 2019-11-07 | 2019-11-07 | Rotary operating system of household appliance and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921909063.3U CN211551694U (en) | 2019-11-07 | 2019-11-07 | Rotary operating system of household appliance and household appliance |
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| Publication Number | Publication Date |
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| CN211551694U true CN211551694U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921909063.3U Active CN211551694U (en) | 2019-11-07 | 2019-11-07 | Rotary operating system of household appliance and household appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023279253A1 (en) * | 2021-07-06 | 2023-01-12 | 深圳拓邦股份有限公司 | Knob, control method, controller and electrical appliance |
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2019
- 2019-11-07 CN CN201921909063.3U patent/CN211551694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023279253A1 (en) * | 2021-07-06 | 2023-01-12 | 深圳拓邦股份有限公司 | Knob, control method, controller and electrical appliance |
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