CN205992177U - A kind of household electrical appliances operation device and household electrical appliance - Google Patents
A kind of household electrical appliances operation device and household electrical appliance Download PDFInfo
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- CN205992177U CN205992177U CN201620789000.9U CN201620789000U CN205992177U CN 205992177 U CN205992177 U CN 205992177U CN 201620789000 U CN201620789000 U CN 201620789000U CN 205992177 U CN205992177 U CN 205992177U
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- knob
- operation device
- panel
- household electrical
- rotation
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Abstract
The utility model discloses a kind of household electrical appliances operation device and household electrical appliance, wherein, described operation device includes：Panel, described panel fixation is placed on installed surface；Knob, described knob is fixedly installed on described panel and with respect to described panel rotary setting；Described knob includes：Irregular metal part；Inductance device, described inductance device is arranged in panel, for when described knob rotates with respect to panel, sensing the rotation of knob according to the changes of magnetic field that the rotation of described irregular metal part causes, to determine the anglec of rotation.Can determine the anglec of rotation of knob, and corresponding operation is executed according to the anglec of rotation of knob.Compared with traditional mechanical encoding knob, due to there is not the loss of mechanical part, there is not the Problem of Failure that life-time service leads to；Meanwhile, it is also convenient for the regulation operation that user carries out the larger parameter of range, improve the experience of user.
Description
Technical field
This utility model is related to electric control element technical field, more particularly, to a kind of household electrical appliances operation device and household electrical appliance.
Background technology
At present, the operation device of a lot of household electrical appliances can be divided into two kinds, and a kind of is mechanical knob, and another kind of is button.User
Can realize manipulating and control the purpose of household electrical appliances by knob and button.
But, above two operation device all has some shortcomings, and button operation device requires each function to need
There is corresponding physical button, because the function of household electrical appliances is more, button operation device needs to configure multiple physical buttons.And
When adjusting the larger parameter, such as temperature of range, user needs repeatedly to press physical button and just can achieve regulation, making to user
With making troubles.
Knob is with the manual manual element turning.Can continuous several times be rotated according to functional requirement, the anglec of rotation can reach
360°.Can be rotated or be advanced pull-out, be started with this and manipulate or control apparatus equipment.But current knob all adopts mechanical type
Coded system, this knob, needs periodically to be changed it will usually there be certain service life with the abrasion using.
Content of the invention
In view of this, this utility model embodiment provides a kind of household electrical appliances operation device and household electrical appliance, to solve existing skill
Household electrical appliances operation device operation inconvenience and the technical problem having life-span restriction in art.
In a first aspect, this utility model embodiment provides a kind of household electrical appliances operation device, including：
Panel, described panel fixation is placed on installed surface；
Knob, described knob is fixedly installed on described panel and with respect to described panel rotary setting；Described knob bag
Include：Irregular metal part；
Inductance device, described inductance device is arranged in panel, for when described knob rotates with respect to panel, according to
The changes of magnetic field that described irregular metal part rotation causes senses the rotation of knob, to determine the anglec of rotation.
Further, described inductance device includes：
LC oscillating circuit, for producing alternating magnetic field, and when described knob rotates, mutual with described irregular metal part
Sense；
Angle signal generating unit, is electrically connected with described LC oscillating circuit, for according to described LC oscillating circuit and irregularly gold
The mutual inductance parameter value belonging to part generates the anglec of rotation of described knob.
Further, described irregular metal part includes：
The metal parts that two decentraction circular arcs of beginning and end identical surround；
Accordingly, described inductance device includes：At least two LC oscillating circuits, described at least two LC oscillating circuits are in institute
The projected position stating metal part surface is different.
Further, described inductance device includes：
Four LC oscillating circuits, described four LC oscillating circuits are circumferentially equal in the projected position of described metal part surface
Even distribution.
Further, described angle signal generating unit includes：
LDC1314 chip, for becoming according to the frequency that the mutual inductance of described LC oscillating circuit and irregular metal part produces
Metaplasia becomes the anglec of rotation of described knob.
Further, described panel includes：Hollow bulb below described knob bonding position, so that in pressing institute
When stating knob, described panel deforms upon.
Further, in described hollow bulb, the side of knob is provided with the first sheet metal, described hollow bulb away from
The side of knob is provided with the second sheet metal, and described first sheet metal forms electric capacity with described second sheet metal, and in pressing institute
When stating knob, the capacitance of described electric capacity changes；Accordingly, described operation device also includes：
Pressing detection unit, is connected with described first sheet metal and the second sheet metal, respectively for according to described electric capacity
Capacitance detects whether described knob is in pressed state.
Further, state knob to be fixed on described panel by magnetic mode, and can set with respect to the rotation of described panel
Put.
Further, described operation device includes：Suggestion device, described suggestion device is electrically connected with described angle signal generating unit
Connect, in described knob rotation predetermined angle, sending prompting.
Further, described operation device includes：Display device, described display device is used for showing knob-operated parameter
And mode of operation.
Second aspect, this utility model embodiment additionally provides a kind of household electrical appliance, the family providing including above-described embodiment
Electrically operated device.
Further, described household electrical appliance are air-conditioning, and described household electrical appliances operation device is that the gear of air-conditioning adjusts knob, work(
Can select button knob or operation vernier knob.
Household electrical appliances operation device and household electrical appliance that this utility model embodiment provides, by the sheet metal on knob and inductance
The mutual inductance effect that magnetic field produced by device produces is it may be determined that the anglec of rotation of knob, and is held according to the anglec of rotation of knob
The corresponding operation of row.Compared with traditional mechanical encoding knob, due to there is not the loss of mechanical part, not existing makes for a long time
With the Problem of Failure leading to；Meanwhile, it is also convenient for the regulation operation that user carries out the larger parameter of range, improve the use of user
Experience.
Brief description
By reading the detailed description that non-limiting example is made made with reference to the following drawings, of the present utility model
Other features, objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of the household electrical appliances operation device that this utility model embodiment one provides；
Fig. 2 is the circuit composition schematic diagram of inductance device in the household electrical appliances operation device that this utility model embodiment one provides；
Fig. 3 is the composition schematic diagram of inductance device in the household electrical appliances operation device that this utility model embodiment two provides；
Fig. 4 is the composition schematic diagram of pressing detection unit in the household electrical appliances operation device that this utility model embodiment two provides.
The technical characteristic that the reference of in figure refers to respectively is：
1st, knob；2nd, panel；3rd, installed surface；4th, Magnet；5th, hollow bulb；
6th, irregular metal part；7th, LC oscillating circuit；8th, the first sheet metal；9th, the second sheet metal.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining this utility model, rather than to restriction of the present utility model.Further need exist for
Bright, for the ease of description, in accompanying drawing, illustrate only the part related to this utility model rather than full content.
Embodiment one
Fig. 1 is the structural representation of the knob assembly that this utility model embodiment one provides, referring to Fig. 1, described set of knobs
Part, including：Panel, described panel fixation is placed on installed surface；Knob, described knob is fixedly installed on described panel and relative
In described panel rotary setting；Described knob includes：Irregular metal part；Inductance device (not shown), described inductance
Device is arranged in panel, for when described knob rotates with respect to panel, being drawn according to the rotation of described irregular metal part
The changes of magnetic field rising senses the rotation of knob, to determine the anglec of rotation.
Wherein, panel can be designed as multiple structure as needed, and is fixed on installed surface.For some electrical equipment, example
As TV, radio etc., panel can be with the outer surface of embedding；For equipment such as air-conditionings, panel can be embedded on metope.
Knob may be provided on panel, and can rotate with respect to panel.Described knob is insulator, for example, rubber or plastic stool material.
Described knob includes：Irregular metal part can fit on the knob surface of panel side, or in embedded knob.
In the present embodiment, irregular metal part fits on the knob surface of panel side, with more preferable and inductance device
Sensed.Exemplary, irregular metal part can adopt copper material, to obtain more preferable mutual inductance effect.And do not advise
Then metal parts can be flake, is easy to be fitted on knob surface.
Fig. 2 is the circuit composition schematic diagram of inductance device in the household electrical appliances operation device that this utility model embodiment one provides.
In the present embodiment, inductance device includes：LC oscillating circuit, for producing alternating magnetic field, and when described knob rotates, with institute
State irregular metal part mutual inductance；Angle signal generating unit, is electrically connected with described LC oscillating circuit, for vibrating electricity according to described LC
The mutual inductance parameter value of road and irregular metal part generates the anglec of rotation of described knob.Alternation magnetic is produced by LC oscillating circuit
, irregular metal part, in alternating magnetic field, produces circulating current (vortex), these be vortexed produced by magnetic fields, and original
Field coil contrary.Thus causing the inductance value in LC oscillating circuit to produce change.The change of inductance value depends on irregular
The distance between the shape of metal parts and irregular metal part and LC oscillating circuit.Vibrate with LC in irregular metal part
In the case that the distance between circuit is constant, the shape of irregular metal part can make LC oscillating circuit inductance value become regular change
Change.
In the present embodiment, described irregular metal part is when rotating with knob, the corresponding surface area of its anglec of rotation
With direction of rotation change.The vortex flow that it produces also changes therewith, the also respective change therewith of the inductance value in LC oscillating circuit.
In the present embodiment, angle signal generating unit includes：LDC1314 chip, for according to described LC oscillating circuit with not
The frequency change that the mutual inductance of regular metal part produces generates the anglec of rotation of described knob.Specifically, in LC oscillating circuit
Electric capacity two ends connect two input pins of LDC1314 chip respectively, can detect LC oscillating circuit frequency values, and by frequency values
Be converted to digital value.Can determine that the anglec of rotation of knob according to digital value.
Additionally, knob can be fixed on described panel by magnetic mode, and can be with respect to described panel rotary setting.
Exemplary, in the inside of knob or edge setting Magnet or magnet steel, on panel, inside or edge are also correspondingly provided with
Magnet or magnet steel, by the adhesive of Magnet or magnet steel, knob is securable on panel, and can rotate with respect to described panel
Setting.When not needing using knob, knob can be taken off, prevent unrelated person from being operated.In the present embodiment, due to
The restriction in panel itself space, Magnet or magnet steel can be arranged on the outer surface away from knob side for the panel.
In a preferred implementation of the present embodiment, described panel includes：Below described knob bonding position
Hollow bulb so that press described knob when, described panel deforms upon.Because panel deforms upon, knob and inductance
Device distance reduces.Inductance device can detect knob and the distance between inductance device change according to changes of magnetic field.Make electricity
Induction device can sense the change of inductance parameters, and then can identify that knob is pressed.Push action setting according to user
Different option of operation, user can choose different option of operation by pressing knob.Enrich the operating function of knob.
The household electrical appliances operation device that the present embodiment provides, is produced with magnetic field produced by inductance device by the sheet metal on knob
Raw mutual inductance effect is it may be determined that the anglec of rotation of knob, and executes corresponding operation according to the anglec of rotation of knob.With tradition
Mechanical encoding knob compare, due to there is not the loss of mechanical part, there is not the Problem of Failure that life-time service leads to；With
When, it is also convenient for the regulation operation that user carries out the larger parameter of range, improve the experience of user.
Additionally, operation device may also include：Suggestion device, described suggestion device is electrically connected with described angle signal generating unit,
For in described knob rotation predetermined angle, sending prompting.Exemplary, suggestion device can adopt buzzer, by honeybee
Ring device sends sound and as operational feedback, user is pointed out.
Operation device may also include：Display device, described display device is used for showing knob-operated parameter and mode of operation.
Embodiment two
Fig. 3 is the composition schematic diagram of inductance device in the household electrical appliances operation device that this utility model embodiment two provides.This reality
Apply example based on above-described embodiment.Irregular metal part is specifically optimized for：Two decentractions of beginning and end identical
The metal parts that circular arc surrounds；Accordingly, described inductance device includes：At least two LC oscillating circuits, described at least two LC
Oscillating circuit is different in the projected position of described metal part surface.
Referring to Fig. 3, when inductance device only includes a LC oscillating circuit although also can pass through according to described irregular gold
Belong to the rotation of the changes of magnetic field sensing knob that part rotation causes, determine the anglec of rotation.But the precision of its anglec of rotation determining
Relatively low.In the present embodiment, irregular metal part is：The metal portion that two decentraction circular arcs of beginning and end identical surround
Part.I.e. one radius of inside hollow out in circle metal parts is less than the circle of its radius and decentraction.When knob rotates, irregularly
In metal parts, the area in magnetic field produced by two LC oscillating circuits is in change.Due to beginning and end identical
The metal parts that two decentraction circular arcs surround becomes symmetrical, and therefore, inductance device needs at least two LC oscillating circuits, and
At least two LC oscillating circuits are different in the projected position of described metal part surface.Not only can by two LC oscillating circuits
Determine the anglec of rotation of irregular metal part, and the direction of rotation of regular metal part can also be determined.Excellent as one kind
Select embodiment, described two LC oscillating circuits can be symmetrical with respect to the metal parts that described two decentraction circular arcs surround
Setting.
As a kind of optimal way of the present embodiment, inductance device can include：Four LC oscillating circuits, described four LC
Oscillating circuit is uniformly distributed circumferentially in the projected position of described metal part surface.By equally distributed four LC vibration electricity
Road can effectively improve the certainty of measurement of the knob anglec of rotation.
In the present embodiment, due to panel itself limited space, can be by the multiple LC oscillating circuits according to design arrangement
It is integrated on same printing board PCB, wherein, the coil in LC oscillating circuit is in the projection position of described metal part surface
Put constant.Can realize saving space, realize the miniaturization of household electrical appliances operation device.Due in user's rotary knob, also can make
Panel produces slight deformation, and inductance device easily misidentifies the operation that knob is pressed.For avoiding misidentifying pressing operation,
In the present embodiment,
In described hollow bulb, the side of knob is provided with the first sheet metal, described hollow bulb away from knob side
It is provided with the second sheet metal, described first sheet metal forms electric capacity with described second sheet metal, and when pressing described knob, institute
The capacitance stating electric capacity changes；；Accordingly, operation device also includes：Pressing detection unit, pressing detection unit, with institute
State the first sheet metal and the second sheet metal connects respectively, detect whether described knob is in for the capacitance according to described electric capacity
Pressed state.Exemplary, described sheet metal can be circular copper dish,.When pressing described knob, there is shape in described panel
Become.Spacing between first sheet metal and the second sheet metal of hollow bulb both sides changes so that the electric capacity that formed
Capacitance also produces corresponding change.By the pressing detection unit that is connected respectively with the first sheet metal and the second sheet metal according to
The capacitance of electric capacity detects whether described knob is in pressed state.Preferably, described second sheet metal can be located at above-mentioned PCB
Just to region.Fig. 4 is that the composition of pressing detection unit in the household electrical appliances operation device that this utility model embodiment two provides is illustrated
Figure, as seen from Figure 4, pressing inspection unit can adopt FR2633 chip, capacitance can be converted to corresponding distance
Value, and then judge the dynamics whether knob is pressed and presses.Can judge whether knob is pressed exactly, it is to avoid know by mistake
Other pressing operation, and more option of operation can be set according to the different dynamics of pressing knob.Enrich the behaviour of knob further
Make function.
The present embodiment, by the optimization to inductance device, can effectively improve the certainty of measurement of the button anglec of rotation.Additionally, it is logical
Cross increase pressing detection unit, can accurately measure the dynamics of pressing knob, and can be according to the different dynamics of pressing knob
More option of operation are set, enrich the operating function of knob further.
Embodiment three
This utility model embodiment additionally provides a kind of household electrical appliance, and this household electrical appliance includes any of the above-described embodiment and retouched
The household electrical appliances operation device stated, has above-described embodiment identical function.Exemplary, described household electrical appliance include：Refrigerator, TV
Machine, washing machine, air-conditioning and stereo set etc..Wherein, described household electrical appliance can be air-conditioning, and described household electrical appliances operation device is permissible
Gear for air-conditioning adjusts knob, function selecting knob or operation vernier knob.Can be passed through upper according to specific use environment
State knob assembly and realize corresponding function.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, this utility model is not limited to specific embodiment described here, can carry out various bright for a person skilled in the art
Aobvious change, readjust and substitute without departing from protection domain of the present utility model.Therefore although passing through above example
This utility model is described in further detail, but this utility model is not limited only to above example, without departing from
In the case of this utility model design, other Equivalent embodiments more can also be included, and scope of the present utility model is by appended
Right determine.
Claims (12)
1. a kind of household electrical appliances operation device is it is characterised in that include：
Panel, described panel fixation is placed on installed surface；
Knob, described knob is fixedly installed on described panel and with respect to described panel rotary setting；Described knob includes：No
Regular metal part；
Inductance device, described inductance device is arranged in panel, for when described knob rotates with respect to panel, according to described
The changes of magnetic field that the rotation of irregular metal part causes senses the rotation of knob, to determine the anglec of rotation.
2. operation device according to claim 1 is it is characterised in that described inductance device includes：
LC oscillating circuit, for producing alternating magnetic field, and when described knob rotates, with described irregular metal part mutual inductance；
Angle signal generating unit, is electrically connected with described LC oscillating circuit, for according to described LC oscillating circuit and irregular metal portion
The mutual inductance parameter value of part generates the anglec of rotation of described knob.
3. operation device according to claim 2 is it is characterised in that described irregular metal part includes：
The metal parts that two decentraction circular arcs of beginning and end identical surround；
Accordingly, described inductance device includes：At least two LC oscillating circuits, described at least two LC oscillating circuits are in described gold
The projected position belonging to parts surface is different.
4. operation device according to claim 3 is it is characterised in that described inductance device includes：
Four LC oscillating circuits, described four LC oscillating circuits circumferentially uniformly divide in the projected position of described metal part surface
Cloth.
5. operation device according to claim 2 is it is characterised in that described angle signal generating unit includes：
LDC1314 chip, for becoming metaplasia according to the frequency that the mutual inductance of described LC oscillating circuit and irregular metal part produces
Become the anglec of rotation of described knob.
6. operation device according to claim 2 is it is characterised in that described panel includes：Positioned at described knob laminating position
Put the hollow bulb of lower section, so that when pressing described knob, described panel deforms upon.
7. operation device according to claim 6 is it is characterised in that be provided near the side of knob in described hollow bulb
First sheet metal, arranges the second sheet metal, described first sheet metal and described second in described hollow bulb away from the side of knob
Sheet metal forms electric capacity, and when pressing described knob, the capacitance of described electric capacity changes；
Accordingly, described operation device also includes：
Pressing detection unit, is connected respectively with described sheet metal and the second sheet metal, for the capacitance inspection according to described electric capacity
Survey whether described knob is in pressed state.
8. operation device according to claim 1 is it is characterised in that described knob is fixed on described face by magnetic mode
On plate, and can be with respect to described panel rotary setting.
9. according to the arbitrary described operation device of claim 1-8 it is characterised in that described operation device includes：Suggestion device,
Described suggestion device is electrically connected with described angle signal generating unit, in described knob rotation predetermined angle, sending prompting.
10. according to the arbitrary described operation device of claim 1-8 it is characterised in that described operation device includes：Display dress
Put, described display device is used for showing knob-operated parameter and mode of operation.
A kind of 11. household electrical appliance are it is characterised in that include the arbitrary described household electrical appliances operation device of claim 1-10.
12. household electrical appliance according to claim 11 it is characterised in that：
Described household electrical appliance are air-conditioning, and described household electrical appliances operation device is that the gear of air-conditioning adjusts knob, function selecting knob or behaviour
Make vernier knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789000.9U CN205992177U (en) | 2016-07-25 | 2016-07-25 | A kind of household electrical appliances operation device and household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789000.9U CN205992177U (en) | 2016-07-25 | 2016-07-25 | A kind of household electrical appliances operation device and household electrical appliance |
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| Publication Number | Publication Date |
|---|---|
| CN205992177U true CN205992177U (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620789000.9U Active CN205992177U (en) | 2016-07-25 | 2016-07-25 | A kind of household electrical appliances operation device and household electrical appliance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106020253A (en) * | 2016-07-25 | 2016-10-12 | 珠海格力电器股份有限公司 | Household electrical appliance operating device and household electrical appliance |
| CN109933122A (en) * | 2017-12-18 | 2019-06-25 | 英飞凌科技股份有限公司 | Magnetic system, magnetic system knob, the equipment containing magnetic system and the method for determining movement |
-
2016
- 2016-07-25 CN CN201620789000.9U patent/CN205992177U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106020253A (en) * | 2016-07-25 | 2016-10-12 | 珠海格力电器股份有限公司 | Household electrical appliance operating device and household electrical appliance |
| CN109933122A (en) * | 2017-12-18 | 2019-06-25 | 英飞凌科技股份有限公司 | Magnetic system, magnetic system knob, the equipment containing magnetic system and the method for determining movement |
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