CN106027022B - The knob assembly and household electrical appliance of household electrical appliance - Google Patents
The knob assembly and household electrical appliance of household electrical appliance Download PDFInfo
- Publication number
- CN106027022B CN106027022B CN201610409365.9A CN201610409365A CN106027022B CN 106027022 B CN106027022 B CN 106027022B CN 201610409365 A CN201610409365 A CN 201610409365A CN 106027022 B CN106027022 B CN 106027022B
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- magnetic
- knob
- electrical appliance
- household electrical
- shell
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of knob assembly of household electrical appliance, household electrical appliance include panel, and panel includes opposite the first face and the second face, and the knob assembly of household electrical appliance includes knob and detection device.Knob is arranged on the first face in which can move.Knob includes bottom plate and the first magnetic element.Bottom plate carries on the first face.Bottom plate includes the first test section and the second test section.First magnetic element is arranged on bottom plate.Detection device is arranged on the second surface, and detection device includes the second magnetic element and detecting element.Second magnetic element and the first magnetic element are attracting.Detecting element and the second magnetic element interval are arranged, and detecting element is used to generate detection signal relative to the position of detecting element according to the first test section and the second test section.In the knob assembly of above-mentioned household electrical appliance, the service life of knob assembly can be improved.In addition, also improving operating handle and the experience of user.The invention also discloses a kind of household electrical appliance.
Description
Technical field
The present invention relates to the knob assemblies and a kind of household electrical appliance of household appliance technical field more particularly to a kind of household electrical appliance.
Background technology
Current household appliances mainly have mechanical knob and spring capacitance slip control two ways.Wherein mechanical knob relies on
Mechanical contact rotation controls electric appliance, has the disadvantage that：1) there are mechanical wears for mechanical knob, influence mechanical knob
Service life and accuracy；2) mechanical knob need to influence across microcrystal face plate the mechanical performance of microcrystal face plate, overall performance and at
This；3) mechanical knob is easy accumulation dirt, and not easy cleaning.Spring capacitance slip control there are the shortcomings that：1) lack knob structure, drop
Low user experience performance.Therefore, the operating handle and user experience for how improving knob, promoting the service life of knob becomes urgently
It solves the problems, such as.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention provides a kind of family
The knob assembly of electrical appliance and a kind of household electrical appliance.
The knob assembly of the household electrical appliance of embodiment of the present invention, the household electrical appliance include panel, and the panel includes
The knob assembly in opposite the first face and the second face, the household electrical appliance includes knob and detection device.Knob can move ground
It is arranged on first face.The knob includes bottom plate and the first magnetic element.Bottom plate is carried on first face.It is described
Bottom plate includes the first test section and the second test section.First magnetic element is arranged on the bottom plate.Detection device is arranged in institute
It states on the second face, detection device includes the second magnetic element and detecting element.Second magnetic element is magnetic with described first
Element is attracting.The detecting element is arranged with second magnetic element interval, and the detecting element is used for according to described first
Test section and second test section generate detection signal relative to the position of the detecting element.
In the knob assembly of above-mentioned household electrical appliance, since knob movement can make the first test section and the second test section phase
Different detection signals is generated in turn for the change in location of detecting element, different detection signals can be used for the control of household electrical appliance
System, meanwhile, knob is not in direct contact with detection device, so as to improve the service life of knob assembly.In addition, the first magnetic member
Part and the second magnetic element is attracting to make knob reset, therefore, this improves the operating handle of user and experience.
In some embodiments, the detecting element is to touch spring, and first test section is nonmetallic materials portion,
Second test section is metal material portion, and the detection signal is capacitance.
In some embodiments, the detecting element is coil, and first test section is nonmetallic materials portion, described
Second test section is metal material portion, and the detection signal is inductance value.
In some embodiments, the knob includes first shell, and the first shell includes the bottom plate and connection
The side plate of the bottom plate, first magnetic element are arranged in the first shell, and the first shell is used for armoured magnetic field.
In some embodiments, the knob includes the barricade being fixed in the first shell, first magnetic
Property element is fixed on the barricade.
In some embodiments, the barricade offers first through hole, and first magnetic element includes the first magnetic
Property portion and the second magnetic portion being connect with first magnetic portion, first magnetic portion wear the first through hole, and described
Two magnetic portions are supported on the barricade.
In some embodiments, the knob includes existing around the first radial magnet of second magnetic portion and setting
First axis magnet in second magnetic portion, first radial magnet are arranged at described with the first axis magnet
In first shell, the polarity in the face of first radial magnet contacted with second magnetic portion and with second magnetic portion
The polarity in the face of the first axis magnet of contact is consistent.
In some embodiments, the knob includes around the first axis magnet and first radial magnet
First shading ring, first shading ring are arranged in the first shell, and first shading ring is used for armoured magnetic field.
In some embodiments, the detection device includes support construction, and the detecting element is fixed on the support
In structure.
In some embodiments, the support construction offers the second through-hole, and second magnetic element includes third
4th magnetic portion of magnetic portion and the connection third magnetic portion, the third magnetic areas are described in second through-hole
4th magnetic portion is resisted against in the support construction.
In some embodiments, the detection device includes being provide with the second shell of second magnetic element, described
Second shell is fixed in the support construction, and the second shell is used for armoured magnetic field.
In some embodiments, the detection device includes surrounding the second radial magnet of the 4th magnetic portion and setting
The second axial magnet in the 4th magnetic portion is set, the face of second radial magnet contacted with the 4th magnetic portion
Polarity and the equal face of second axial magnet contacted with the 4th magnetic portion polarity it is consistent, the second radial magnetic
Iron is arranged at second axial magnet in the second shell.
In some embodiments, the detection device includes the secondary shielding ring around second axial magnet, institute
Secondary shielding ring is stated to be located in the second shell and be arranged in second radial magnet.
The household electrical appliance of embodiment of the present invention include the knob assembly of the household electrical appliance described in any of the above embodiment.
In above-mentioned household electrical appliance, since knob movement can make the first test section and the second test section relative to detection member
The change in location of part generates different detection signals in turn, and different detection signals can be used for the control of household electrical appliance, meanwhile, rotation
Button is not in direct contact with detection device, so as to improve the service life of knob assembly.In addition, the first magnetic element and the second magnetic
Element is attracting that knob can be made to reset for property, and therefore, this improves the operating handle of user and experience.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram of the knob assembly of embodiment of the present invention.
Fig. 2 is another structural schematic diagram of the knob assembly of embodiment of the present invention.
Fig. 3 is the floor map of the support construction of the detection device of the knob assembly of embodiment of the present invention.
Fig. 4 is the floor map of the bottom plate of the knob of the knob assembly of embodiment of the present invention.
Fig. 5 is the working state schematic representation of the knob assembly of embodiment of the present invention.
Fig. 6 is another working state schematic representation of the knob assembly of embodiment of the present invention.
Fig. 7 is the structural schematic diagram of the first radial magnet of the knob assembly of embodiment of the present invention.
Fig. 8 is the schematic cross-section of the bottom plate of the knob of the knob assembly of embodiment of the present invention.
Specific implementation mode
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.?
In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be to be electrically connected or can mutually communicate to be mechanical connection；It can be directly connected, it can also be by between intermediary
It connects connected, can be the interaction relationship of the connection or two elements inside two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
It please refers to Fig.1 and Fig. 2, embodiment of the present invention provides a kind of knob assembly 100 of household electrical appliance.Household electrical appliance packet
Panel 10 is included, panel 10 includes the first face 10a and the second face 10b opposite to each other.
The knob assembly 100 of household electrical appliance includes knob 102 and detection device 104.Knob 102 is arranged in which can move
On first face 10a.
Knob 102 includes bottom plate 20 and the first magnetic element 11.Bottom plate 20 is carried on the first face 10a.Bottom plate 20 includes
First test section 20a and the second test section 20b.First magnetic element 11 is arranged on the base plate 20.
Detection device 104 is arranged on the second face 10b, and detection device 104 includes the second magnetic element 9 and detecting element 5.
Second magnetic element 9 and the first magnetic element 11 are attracting.Detecting element 5 and the second magnetic element 9 interval are arranged, detecting element 5
For generating detection signal relative to the position of detecting element 5 according to the first test section 20a and the second test section 20b.
Therefore, in the knob assembly 100 of above-mentioned household electrical appliance, since the movement of knob 102 can make the first test section 20a
And second test section 20b relative to detecting element 5 change in location so that generate different detection signals, different detection signals
It can be used for the control of household electrical appliance.
Meanwhile knob 102 is not in direct contact with detection device 104, so as to improve the service life of knob assembly 100.
In addition, the first magnetic element 11 and the second magnetic element 9 is attracting that knob 102 can be made to reset, therefore, this improves the behaviour of user
Make feel and experience.
In embodiments of the present invention, knob 102 can be moved and be rotated on the first face 10a of panel 10.
In one example, household electrical appliance can be multi-stove burner electromagnetic stove.When knob 102 moves, what detecting element 5 generated
Detection signal can control household electrical appliance booting, shutdown or the selection of burner.When knob 102 rotates, what detecting element 5 generated
Detection signal can control household electrical appliance and realize corresponding function, for example, can increase or reduce adding for selected burner
Thermal power etc..
It is appreciated that the detection signal that detecting element 5 generates is sent to the control device of household electrical appliance, control device receives
Control signal is generated after detecting signal, and then controls household electric appliance operation.
Burner includes heating unit.When knob 102 is moved to the first predeterminated position, the first predeterminated position is, for example, first
Magnetic element 11 and the 9 attracting position being aligned of the second magnetic element.Detecting element 5 generates first detection signal, the first detection letter
It number can be used for indicating that heating unit is ready for starting work, first detection signal can also be used to control heating unit heats power
Size.For example, knob 102, when the first predeterminated position rotates clockwise, the heating power of heating unit increases, knob 102
When a predeterminated position rotates counterclockwise, the heating power of heating unit reduces.
When knob 102 is moved to the second predeterminated position, the second predeterminated position is, for example, the first magnetic element 11 and second
The position that magnetic element 9 deviates.Detecting element 5 generates the second detection signal, and the second detection signal is for controlling in multiple burners
The heating unit of some burner starts work.
In present embodiment, in the state that household electrical appliance are switched on, when knob 102 is placed into 104 top of detection device,
Under the action of the magnetic field force of first magnetic element 11 and the second magnetic element 9, knob 102 is located at the first predeterminated position.
Then, it after knob 102 is moved to the second predeterminated position by the first predeterminated position, can select in multiple burners at this time
Some burner heating unit start work.
After selecting the heating unit work of some burner, knob 102 again moves into the first predeterminated position, at this point, rotation
Button 102 can select the power of heating unit when being rotated on the first predeterminated position.
It should be pointed out that when some burner heating unit at work, when again by knob 102 by the first default position
It sets when being moved to the second predeterminated position, other burners can be switched to so that the heating unit of other burners works, and can be with
By the way that knob 102 is moved to the first predeterminated position by the second predeterminated position, knob 102 is controlled when the first predeterminated position rotates
The power of the heating unit of other burners.
Specifically, Fig. 3 and Fig. 4 is please referred to, the quantity of detecting element 5 is multiple, and multiple detecting elements 5, which are circumferentially spaced, to be divided
Cloth.
When the first magnetic element 11 and the second magnetic element 9 it is attracting to it is corresponding when the first test section 20a and at least one detection
Element 5 corresponds to, and the second test section 20b is corresponding with other detecting elements 5.
When knob 102 rotates, the first test section 20a is corresponding with each detecting element 5 successively, with the first test section 20a
The detection letter that the detection signal and the second detecting element 5 corresponding with the second test section 20b that corresponding detecting element 5 generates generate
Number difference.
Knob 102 often rotates a certain angle, and the combination of the detection signal of multiple detecting elements 5 is all different, according to multiple
The i.e. controllable household electrical appliance of the various combination of the detection signal of detecting element 5 run different functions.
Fig. 5 and Fig. 6 is please referred to, in one example, the quantity of detecting element 5 is 8, when the first magnetic element 11 and the
Two magnetic elements 9 it is attracting to it is corresponding when the first test section 20a it is correspondings with 2 detecting elements 5, and the second test section 20b and others
6 detecting elements 5 correspond to.
For the convenience of description, by 85 number consecutivelies of detecting element, 5, No. 2 detecting elements of respectively No. 1 detecting element
5 ... No. 8 detecting elements 5.
When knob 102 is located at the position in Fig. 5, the first test section 20a and No. 1 detecting element 5 and No. 2 detecting elements 5 are right
It answers, No. 3~No. 8 detecting elements 5 are corresponding with the second test section 20b.
Enable detecting element 5 and the first test section 20a to it is corresponding when detection signal processing be logical value 1, detecting element 5 and the
Detection signal processing is logical value 0 when two test section 20b are to corresponding to.
That is, when the position of knob 102 in Figure 5, the logical value of the detection signal of 1~No. 8 detecting element 5 is successively
It is 11000000.When knob 102 is rotated clockwise to the position in Fig. 6 by the position in Fig. 5, the detection letter of 1~No. 8 detection
Number logical value be followed successively by 01100000.
It can thus be appreciated that the position of knob 102 and the direction of rotation of knob 102, so as to according to the inspection of multiple detecting elements 5
Household electric appliance operation can be controlled by surveying the combination of signal.
To sum up, knob 102 can control household electric appliance operation during exercise, improve the operating experience of user.
In some embodiments, detecting element 5 is to touch spring, and the first test section 20a is nonmetallic materials portion.Second
Test section 20b is metal material portion, for example, aluminium.Detection signal is capacitance.
In this way, can make detecting element corresponding with the first test section 20a 5 detection signal and with 20b pairs of the second test section
Differing greatly between the detection signal for the detecting element 5 answered, the detection signal for being conducive to be further processed detecting element 5 is to control
Household electrical appliance processed.
Detecting element 5 is to touch spring so that it is capacitance to detect signal, is easy detection and processing, can improve detection dress
Set the accuracy of 104 detections.
In some embodiments, detecting element 5 can be coil, and the first test section 20a is nonmetallic materials portion, the second inspection
Survey portion 20b is metal material portion, and detection signal is inductance value.
The detection signal exported by coil can equally improve the accuracy of detection device 104.
In present embodiment, the first test section 20a is setting nonmetallic materials on the base plate 20, such as rubber, due to
The material properties of first test section 20a and the second test section 20b are different so that detecting element 5 can export different detection letters
Number, be conducive to the position that detection device 104 detects knob 102.
And in other embodiments, as shown in figure 8, the first test section 20c can be the groove opened up on the base plate 20, it is recessed
There is no packing material in slot.In this way, the purpose of the detection of detection device 104 not only may be implemented, also so that bottom plate 20 is easily worked
Manufacture.Since the bottom surface of the first test section 20c is at a distance from detecting element 5 and the surface of the second test section 20d and detecting element 5
Distance it is different, accordingly it is also possible to which so that detecting element 5 exports different detection signals.
Referring to Fig. 1, in some embodiments, knob 102 includes first shell 12, first shell 12 includes bottom plate 20
And the side plate 12a of connecting bottom board 20, the first magnetic element 11 are arranged in first shell 12, first shell 12 is for shielding magnetic
?.
So, on the one hand, first shell 12 can encapsulate the first magnetic element 11 so that knob 102 is more beautiful, separately
On the one hand, first shell 12 can prevent the electric appliance around the first magnetic element of magnetic interference 11 of the first magnetic element 11 first
Part.In addition, first shell 12 can be made of weak magnetic material, for example, it is made of aluminum, the work of armoured magnetic field can be played in this way
With.
Specifically, first shell 12 is formed with opening 12b, and includes upper cover 15.First magnetic element 11 is filled from opening 12b
After entering in first shell 12, the closing opening of upper cover 15 12b.
In some embodiments, knob 102 includes the barricade 3 being fixed in first shell 12, the first magnetic element
11 are fixed on barricade 3.
In this way, the first magnetic element 11 can be kept fixed relative to first shell 12 so that user is in operation knob 102
When can accurately control the working conditions of household electrical appliance.
In some embodiments, barricade 3 offers first through hole 3a, and the first magnetic element 11 includes the first magnetic portion
11a and the second magnetic portion 11b, the first magnetic portion 11a being connect with the first magnetic portion 11a wear first through hole 3a, and second is magnetic
Portion 11b is supported on barricade 3.
In this way, first through hole 3a and the first magnetic portion 11a cooperations can position the first magnetic element 11, so that first is magnetic
Element 11 can further fix on magnetic sheet.
Specifically, barricade 3 can be made of the metal material of weak magnetic, such as aluminium, can prevent barricade 3 and in this way
Magnetic field line on the contact surface of two magnetic portion 11b passes through barricade 3, and influences the magnetism of the first magnetic portion 11a, such as weakens
The magnetism of first magnetic portion 11a avoids the first magnetic element 11 and the second magnetic element 9 attracting insecure.
In some embodiments, knob 102 includes existing around the first radial magnet 13 of the second magnetic portion 11b and setting
First axis magnet 16 on second magnetic portion 11b.First radial magnet 13 is arranged at first shell with first axis magnet 16
In body 12, the polarity in the face of the first radial magnet 13 contacted with the second magnetic portion 11b and contacted with the second magnetic portion 11b
The polarity in the face of one axial magnet 16 is consistent.
For example, the polarity in the face of the first radial magnet 13 contacted with the second magnetic portion 11b is the poles N, with the second magnetic portion
The polarity in the face of the first axis magnet 16 of 11b contacts is also the poles N.
In this way, the first radial magnet 13 and first axis magnet 16 can increase the magnetism of the first magnetic element 11, revolving
After 102 deviation detection device 104 of button, ensure that the second magnetic element 9 and the first magnetic element 11 attract so that knob 102 resets.
Meanwhile first radial magnet 13 can also play the role of adjusting 102 size of knob with first axis magnet 16.
Specifically, the second magnetic portion 11b can be cylinder, and the first radial magnet 13 can be by the part of two semi-circular cylindricals
It constitutes, as shown in Figure 7.The second magnetic portion of part sandwiched 11b of two semi-circular cylindricals of the first radial magnet 13.
In some embodiments, knob 102 includes first around first axis magnet 16 and the first radial magnet 13
Shading ring 14, the first shading ring 14 are arranged in first shell 12, and the first shading ring 14 is used for armoured magnetic field.
In this way, the first shading ring 14 can prevent first axis magnet 16 magnetic field and the first radial magnet 13 magnetic field to
Diameter external diffusion ensures that first axis magnet 16 and the first radial magnet 13 can play the role of enhancing the first magnetic element 11.
In addition, the magnetic field of first axis magnet 16 and the magnetic field of the first radial magnet 13 can also be further prevented to do in this way
Disturb the electric elements around knob 102.
In some embodiments, detection device 104 includes support construction 18, and detecting element 5 is fixed on support construction 18
On.
In this way, support construction 18 can be such that the position of detecting element 5 is kept fixed, it is accurate to be operated with height adjustment knob 102
Rate.
Specifically, support construction 18 is formed with container 18a, and detecting element 5 is arranged in container 18a, so that
The more compact structure of detection device 104, while the contact area of support construction 18 and panel 10 can be increased, be conducive to support
Structure 18 is fixed on the faceplate 10.
In some embodiments, support construction 18 offers the second through-hole 18b, and the second magnetic element 9 includes third magnetic
Property portion 9a and connection third magnetic portion 9a the 4th magnetic portion 9b.Third magnetic portion 9a is located in the second through-hole 18b, and the 4th is magnetic
Portion 9b is against on the supporting structure 18.
It is fixed in this way, the cooperation of the second through-hole 18b and third magnetic portion 9a can position the second magnetic element 9.In addition,
Second through-hole 18b can reduce the distance between the second magnetic element 9 and panel 10, be conducive to the second magnetic element 9 and first
Magnetic element 11 is attracting securely.
In some embodiments, detection device 104 includes being provide with the second shell 8 of the second magnetic element 9, second shell
8 fix on the supporting structure 18, and second shell 8 is used for armoured magnetic field.
In this way, second shell 8 can prevent around the second magnetic element of magnetic interference 9 that the second magnetic element 9 generates
Electric elements.
In some embodiments, detection device 104 includes the second radial magnet 6 around the 4th magnetic portion 9b and setting
The second axial magnet 17 on the 4th magnetic portion 9b.The polarity in the face of the second radial magnet 6 contacted with the 4th magnetic portion 9b
It is consistent with the polarity in face that the second axial magnet 17 that the 4th magnetic portion 9b is contacted is equal.Second radial magnet 6 and second is axial
Magnet 17 is arranged in second shell 8.
In this way, the second radial magnet 6 and the second axial magnet 17 can enhance the magnetism of the second magnetic element 9 so that the
One magnetic element 11 and the second magnetic element 9 are more securely attracting.
Specifically, the 4th magnetic portion 9b can be cylinder, and the second radial magnet 6 can be by the part structure of two semi-circular cylindricals
At.The 4th magnetic portion 9b of part sandwiched of two semi-circular cylindricals of the second radial magnet 6.
In some embodiments, detection device 104 includes surrounding the secondary shielding ring 7 of the second axial magnet 17, and second
Shading ring 7 is located in second shell 8 and is arranged in the second radial magnet 6.
In this way, secondary shielding ring 7 can be such that the second axial magnet 17 and the magnetic field line of the second radial magnet 6 more concentrates,
It can reach the magnetic effect of the second magnetic element 9 of enhancing.In addition, the second axial magnet 17 can also be further prevented in this way
Electric elements around the magnetic interference knob 102 of magnetic field and the second radial magnet 6.
The household electrical appliance of embodiment of the present invention include the knob assembly of the household electrical appliance described in any of the above embodiment
100。
In above-mentioned household electrical appliance, since the movement of knob 102 can make the first test section 20a and the second test section 20b phases
Different detection signals is generated in turn for the change in location of detecting element 5, different detection signals can be used for household electrical appliance
Control.
Meanwhile knob 102 is not in direct contact with detection device 104, so as to improve the service life of knob assembly 100.
In addition, the first magnetic element 11 and the second magnetic element 9 is attracting that knob 102 can be made to reset, therefore, this improves the behaviour of user
Make feel and experience.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the present invention.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that：?
Can these embodiments be carried out with a variety of variations in the case of not departing from the principle of the present invention and objective, modification, replace and become
Type, the scope of the present invention are limited by claim and its equivalent.
Claims (11)
1. a kind of knob assembly of household electrical appliance, the household electrical appliance include panel, the panel include opposite the first face and
Second face, which is characterized in that the knob assembly of the household electrical appliance includes：
Knob on first face is set in which can move, and the knob includes：
The bottom plate being carried on first face, the bottom plate include the first test section and the second test section；And
The first magnetic element being arranged on the bottom plate；And
Detection device on second face is set, and the detection device includes：
Second magnetic element, second magnetic element and first magnetic element are attracting；And
Detecting element, the detecting element are arranged with second magnetic element interval, and the detecting element is used for according to
First test section and second test section generate detection signal relative to the position of the detecting element；
The knob includes first shell and the barricade that is fixed in the first shell, and first magnetic element is fixed on
On the barricade, the barricade offers first through hole, first magnetic element include the first magnetic portion and with it is described
Second magnetic portion of the first magnetic portion connection, first magnetic portion wear the first through hole, the second magnetic portion support
On the barricade, the knob includes around the first radial magnet of second magnetic portion and setting in second magnetic
Property portion on first axis magnet, first radial magnet and the first axis magnet are arranged at the first shell
In, the polarity in the face of first radial magnet contacted with second magnetic portion and the institute contacted with second magnetic portion
The polarity for stating the face of first axis magnet is consistent.
2. the knob assembly of household electrical appliance as described in claim 1, which is characterized in that the detecting element is to touch spring,
First test section is nonmetallic materials portion, and second test section is metal material portion, and the detection signal is capacitance.
3. the knob assembly of household electrical appliance as described in claim 1, which is characterized in that the detecting element is coil, described
First test section is nonmetallic materials portion, and second test section is metal material portion, and the detection signal is inductance value.
4. the knob assembly of household electrical appliance as described in claim 1, which is characterized in that the first shell includes the bottom plate
And the side plate of the connection bottom plate, first magnetic element are arranged in the first shell, the first shell is for shielding
Cover magnetic field.
5. the knob assembly of household electrical appliance as described in claim 1, which is characterized in that the knob includes surrounding described first
First shading ring of axial magnet and first radial magnet, first shading ring are arranged in the first shell, institute
The first shading ring is stated for armoured magnetic field.
6. the knob assembly of household electrical appliance as described in claim 1, which is characterized in that the detection device includes that support is tied
Structure, the detecting element are fixed in the support construction.
7. the knob assembly of household electrical appliance as claimed in claim 6, which is characterized in that it is logical that the support construction offers second
Hole, second magnetic element include the 4th magnetic portion of third magnetic portion and the connection third magnetic portion, the third magnetic
Property portion is located in second through-hole, and the 4th magnetic portion is resisted against in the support construction.
8. the knob assembly of household electrical appliance as claimed in claim 7, which is characterized in that the detection device is described including being provide with
The second shell of second magnetic element, the second shell are fixed in the support construction, and the second shell is for shielding
Magnetic field.
9. the knob assembly of household electrical appliance as claimed in claim 8, which is characterized in that the detection device includes around described
Second radial magnet of the 4th magnetic portion and the second axial magnet being arranged in the 4th magnetic portion, it is magnetic with the described 4th
The polarity in the face of second radial magnet of portion's contact and second axial magnet contacted with the 4th magnetic portion are equal
Face polarity it is consistent, second radial magnet and second axial magnet are arranged in the second shell.
10. the knob assembly of household electrical appliance as claimed in claim 9, which is characterized in that the detection device includes surrounding institute
The secondary shielding ring of the second axial magnet is stated, the secondary shielding ring is located in the second shell and is arranged in second diameter
To on magnet.
11. a kind of household electrical appliance, which is characterized in that include the knob such as claim 1~10 any one of them household electrical appliance
Component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610409365.9A CN106027022B (en) | 2016-06-12 | 2016-06-12 | The knob assembly and household electrical appliance of household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610409365.9A CN106027022B (en) | 2016-06-12 | 2016-06-12 | The knob assembly and household electrical appliance of household electrical appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106027022A CN106027022A (en) | 2016-10-12 |
| CN106027022B true CN106027022B (en) | 2018-11-09 |
Family
ID=57091180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610409365.9A Active CN106027022B (en) | 2016-06-12 | 2016-06-12 | The knob assembly and household electrical appliance of household electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106027022B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108536216A (en) * | 2017-03-03 | 2018-09-14 | 青岛海尔洗碗机有限公司 | Magnetic control knob, household electrical appliance and its control method |
| CN108594928A (en) * | 2018-08-01 | 2018-09-28 | 广州周立功单片机科技有限公司 | Remove recognizable magnetic rotation button |
| CN113139638B (en) * | 2020-01-19 | 2023-05-26 | 佛山市顺德区美的电热电器制造有限公司 | Control method of magnetic knob, cooking device and computer readable storage medium |
| CN111752332B (en) * | 2020-06-29 | 2022-04-22 | 广东美的厨房电器制造有限公司 | Input device and household appliance |
| CN114138050B (en) * | 2020-09-04 | 2023-11-03 | 佛山市顺德区美的电热电器制造有限公司 | Knob device, household appliance and control method of household appliance |
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| CN1685295A (en) * | 2002-08-14 | 2005-10-19 | Bsh博施及西门子家用器具有限公司 | Control unit for electric household appliance |
| CN101005280A (en) * | 2006-01-20 | 2007-07-25 | 深圳市拓邦电子科技股份有限公司 | Induction code switch |
| CN201349207Y (en) * | 2008-10-07 | 2009-11-18 | 美的集团有限公司 | Gear coding switch for household appliance |
| CN202009373U (en) * | 2011-01-17 | 2011-10-12 | 浙江苏泊尔家电制造有限公司 | Wireless knob switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2854296B1 (en) * | 2013-09-27 | 2017-12-13 | Contelec AG | Contactless switch |
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|---|---|---|---|---|
| CN1685295A (en) * | 2002-08-14 | 2005-10-19 | Bsh博施及西门子家用器具有限公司 | Control unit for electric household appliance |
| CN101005280A (en) * | 2006-01-20 | 2007-07-25 | 深圳市拓邦电子科技股份有限公司 | Induction code switch |
| CN201349207Y (en) * | 2008-10-07 | 2009-11-18 | 美的集团有限公司 | Gear coding switch for household appliance |
| CN202009373U (en) * | 2011-01-17 | 2011-10-12 | 浙江苏泊尔家电制造有限公司 | Wireless knob switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106027022A (en) | 2016-10-12 |
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