CN106788378A - A kind of inductive switch knob - Google Patents
A kind of inductive switch knob Download PDFInfo
- Publication number
- CN106788378A CN106788378A CN201611204151.4A CN201611204151A CN106788378A CN 106788378 A CN106788378 A CN 106788378A CN 201611204151 A CN201611204151 A CN 201611204151A CN 106788378 A CN106788378 A CN 106788378A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- permanent magnet
- knob
- inductive switch
- knob body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001939 inductive effect Effects 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The present invention relates to a kind of inductive switch knob, knob body and the first permanent magnet including being arranged on guidance panel both sides, the position corresponding to the first permanent magnet is provided with keeper in knob body, keeper and the first permanent magnet attract each other and be covered in the outside of guidance panel.It is circumferentially distributed in knob body to be provided with least two magnetic conductors, and magnetic conductor has at least two different magnetic conductivity, and the inner side of guidance panel then is provided with sensing the magnetic detection device of magnetic conductor in correspondence position.Inductive switch knob in the present invention, change in the prior art in the knob body on the structure of multiple permanent magnets is installed, replace permanent magnet using keeper and magnetic conductor, it is greatly reduced the requirement to knob body thickness, enable that knob body realizes that miniaturization and ultrathin are designed, it is more attractive in appearance.
Description
Technical field
The present invention relates to switching knob technical field, and in particular to a kind of inductive switch knob.
Background technology
Existing switching knob belongs to greatly the switching knob of physical connection, such as potentiometer type switching knob, rod failure coding
Formula switching knob, the knob of these physical connections not only in use can because of the effect of attrition service life of mechanical structure, while
The knob of physical connection when in use due to needing the perforate on the panel of electric equipment, destroy device housings integrality and
Sealing, causes being weakened significantly by force intensity for panel, also results in inside the pollutant access arrangement of device external, pair sets
Standby internal parts and circuit constitute pollution and destroy, while also hampering the cleaning of panel to a certain extent.
A kind of inductive switch knob is occurred in that therewith, and such as application publication number is CN105281732A (Application No.s
201510685757.3) Chinese invention patent application《A kind of inductive switch knob and its coding method》, wherein disclosed
Inductive switch knob includes inductive switch circuit board and sensing knob, multiple Halls is provided with inductive switch circuit board and is opened
Close, sensing knob then includes knob base and the multiple permanent magnets being distributed on the same circumference of knob base inner casing, Hall is opened
The change in magnetic field when being rotated by sensing knob is closed, it is determined that the direction of sensing knob rotation and induction code number.This switch rotation
Button installs multiple permanent magnets due to needing in knob, and knob structure can be caused relative complex, and knob volume size is big, it is difficult to real
The miniaturization or ultrathin design of existing knob.
The content of the invention
The technical problems to be solved by the invention are directed to above-mentioned prior art and provide one kind can be realized minimizing and surpassing
The inductive switch knob of thinning design.
The present invention the used technical scheme that solves the above problems is：A kind of inductive switch knob, including it is arranged on behaviour
Make the knob body and the first permanent magnet of panel both sides, set in the position corresponding to first permanent magnet in the knob body
Keeper is equipped with, the keeper makes knob body be covered in the guidance panel with first the attracting each other for permanent magnet
Outside；It is characterized in that：It is circumferentially distributed in the knob body to be provided with least two magnetic conductors, and described magnetic conduction
Body has at least two different magnetic conductivity, and the inner side of the guidance panel is then provided with described in sensing in correspondence position
The magnetic detection device of magnetic conductor.
Simply, the magnetic detection device includes pressure magnetic detector and microprocessor；
The place circumferential position that the pressure magnetic detector corresponds to the magnetic conductor is arranged on the guidance panel
Inner side, the pressure magnetic detector includes shell and the pressure sensor and the second permanent magnet that are arranged in shell, described
Second permanent magnet is movably arranged in the shell so that can be to institute when second permanent magnet attracts each other with the magnetic conductor
State pressure sensor and apply pressure；
Electric signal connection between the microprocessor and the pressure sensor.
As improvement, elastic component is connected between the shell and second permanent magnet, second permanent magnet is in institute
State elastic component elastic force effect under be covered on the pressure sensor, and second permanent magnet with the magnetic conductor
(4) pressure sensor described in Shi Nengxiang that attracts each other applies pressure.
Easily, it is provided with the knob body for housing the keeper and housing the accommodating of each magnetic conductor
Chamber.
Preferably, the keeper is arranged on the center of the knob body, and described each magnetic conductor is uniformly distributed
On the same circumference of the center.
Simply, the knob body is the magnetic metal derby of tool to constitute the keeper, and the knob sheet
Body has different thickness on the same circumference of center along direction of rotation, so as to constitute described magnetic conductor.
Compared with prior art, the advantage of the invention is that：Inductive switch knob in the present invention, changes existing skill
In art in the knob body on the structure of multiple permanent magnets is installed, replace permanent magnet using keeper and magnetic conductor, greatly subtract
The small requirement to knob body thickness so that knob body can realize miniaturization and ultrathin design, more attractive in appearance.Simultaneously
Coordinate the magnetic detection device that sensing knob body is acted also simpler with magnetic conductor, without being set using multiple hall sensings
Device, i.e., can easily induce the change of magnetic conductor magnetic, so as to accurately judge that knob body is acted.
Brief description of the drawings
Fig. 1 is the structure schematic cross-sectional view of inductive switch knob in the embodiment of the present invention one.
Fig. 2 is the distribution schematic diagram of keeper and magnetic conductor in knob body in the embodiment of the present invention one.
Fig. 3 is the structural representation of magnetic detection device in the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one
As shown in Figure 1 to Figure 3, the inductive switch knob in the present embodiment, including it is arranged on the rotation on the outside of guidance panel
Button body 1, the first permanent magnet 2 being arranged on the inside of guidance panel and magnetic detection device 5.
Knob body 1 in the present embodiment can be made of such as this nonmagnetic substance of plastics, the center of knob body 1
An accommodating cavity 11 is provided with, keeper 3 is installed in the accommodating cavity 11, the permanent magnet 2 of keeper 3 and first is respectively in operating surface
The both sides of plate are correspondingly arranged and attract each other, so that knob body 1 is covered in guidance panel by revocable mode
On lateral surface.The keeper 3 is a magnetic conductive metal block in the present embodiment.
With the center of knob body 1 as the center of circle, it is uniformly distributed on the same circumference of knob body 1 and is provided with multiple accommodating cavities
11, the magnetic magnetic conductor 4 of tool is provided with each accommodating cavity 11.As needed, these magnetic conductors 4 can be divided at least two
Group, each magnetic conductor 4 in every group has different grades of magnetic conductivity along the direction of rotation of knob body 1.Leading in the present embodiment
4 points of magnet is two groups, and every group has three kinds of magnetic conductors of different brackets magnetic conductivity 4, according to the size of magnetic conductivity successively along clockwise
Distribution.
Magnetic detection device 5 is then used to detect the magnetic conductivity change of the magnetic conductor 4 in rotary course of knob body 1, so that
Judge the direction of rotation and rotation position of knob body 1.
Magnetic detection device 5 in the present embodiment includes pressure magnetic detector 51 and microprocessor 52, wherein microprocessor
The microprocessor 52 then in generally applicable product of device 52, it is also possible to be separately provided microprocessor 52.Simply and easily, the microprocessor
52 can use existing single-chip microcomputer.
Pressure magnetic detector 51 is then arranged on the inner side of guidance panel corresponding to the place circumferential position of magnetic conductor 4.Pressure
Power magnetic detector 51 includes shell 511 and the permanent magnet 513 of pressure sensor 512 and second being arranged in shell 511, the
Two permanent magnets 513 are movably arranged in shell 511.Specially：Elastic component is connected between the permanent magnet 513 of shell 511 and second
514, elastic component 514 in the present embodiment can use spring, the elastic force direction that the spring is formed for the second permanent magnet 513 relative to
The direction of motion of pressure sensor 512.Second permanent magnet 513 is covered in pressure sensor under the elastic force effect of elastic component 514
On 512, can so ensure the direction of motion of the second permanent magnet 513, it is to avoid the change of the direction of motion of the second permanent magnet 513 and shadow
Ring certainty of measurement.Second permanent magnet 513 when being attracted each other with magnetic conductor 4 can to pressure sensor 512 apply pressure and then
For the magnetic conductor 4 with different magnetic conductivity, permanent magnet is also different to the pressure that pressure sensor 512 is produced, pressure sensor
512 corresponding detections obtain different pressure signals.Microprocessor 52 is connected with pressure sensor 512, and pressure sensor 512 will
The pressure signal of acquisition is sent in microprocessor 52, and microprocessor 52 is corresponding after then calculating pressure signal to obtain knob
The direction of rotation and rotation position of body 1.
Embodiment two
The present embodiment is differed only in embodiment one：Knob body 1 is has magnetic metal derby, then the knob
Body 1 constitutes the keeper 3 that can mutually attract with the first permanent magnet 2.Knob body 1 is in the same circle around center simultaneously
There are different thickness along direction of rotation on week, then correspondingly magnetic conductivity is different for different thickness, so as to constitute be led with difference
The magnetic conductor 4 of magnetic.Its operation principle is with embodiment one.
Claims (6)
1. a kind of inductive switch knob, including the knob body (1) and the first permanent magnet for being separately positioned on guidance panel both sides
(2) position corresponding to first permanent magnet (2), is provided with keeper (3) on the knob body (1), described determines
The outside that position part (3) attracts each other and make knob body (1) be covered in the guidance panel with described the first permanent magnet (2)；
It is characterized in that：It is circumferentially distributed in the knob body (1) to be provided with least two magnetic conductors (4), and described magnetic conduction
Body has at least two different magnetic conductivity, and the inner side of the guidance panel is then provided with described in sensing in correspondence position
The magnetic detection device (5) of magnetic conductor (4).
2. inductive switch knob according to claim 1, it is characterised in that：The magnetic detection device (5) includes pressure
Power magnetic detector (51) and microprocessor (52)；
The pressure magnetic detector (51) is arranged on the guidance panel corresponding to the place circumferential position of the magnetic conductor (4)
Inner side, the pressure magnetic detector (51) includes shell (511) and the pressure sensor being arranged in shell (511)
(512) and the second permanent magnet (513), second permanent magnet (513) is movably arranged in the shell (511) so that described
Second permanent magnet (513) with the magnetic conductor (4) attract each other pressure sensor described in Shi Nengxiang (512) apply pressure；
Electric signal is connected between the microprocessor (52) and the pressure sensor (512).
3. inductive switch knob according to claim 2, it is characterised in that：The shell (511) and described second is forever
Elastic component (514) is connected between magnet (513), second permanent magnet (513) acts in the elastic force of the elastic component (514)
Under be covered on the pressure sensor (512), and second permanent magnet (513) with the magnetic conductor (4) mutually inhale
Draw pressure sensor described in Shi Nengxiang (512) and apply pressure.
4. inductive switch knob according to claim 1, it is characterised in that：Use is provided with the knob body (1)
In the accommodating cavity (11) for housing the keeper (3) and the magnetic conductor (4).
5. the inductive switch knob according to Claims 1-4 any claim, it is characterised in that：The keeper
(3) center of the knob body (1) is arranged on, described each magnetic conductor (4) is evenly distributed on around the center
Same circumference on.
6. the inductive switch knob according to Claims 1-4 any claim, it is characterised in that：The knob sheet
Body (1) is to have magnetic metal derby to constitute the keeper (3), and the knob body (1) around center
Same circumference on there are different thickness along direction of rotation, so as to constitute described magnetic conductor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204151.4A CN106788378B (en) | 2016-12-23 | 2016-12-23 | Induction type switch knob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204151.4A CN106788378B (en) | 2016-12-23 | 2016-12-23 | Induction type switch knob |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106788378A true CN106788378A (en) | 2017-05-31 |
| CN106788378B CN106788378B (en) | 2023-11-17 |
Family
ID=58897808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611204151.4A Active CN106788378B (en) | 2016-12-23 | 2016-12-23 | Induction type switch knob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106788378B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107562117A (en) * | 2017-10-13 | 2018-01-09 | 浙江新涛电子科技股份有限公司 | A kind of electrical equipment non-contact type magnetic knob structure |
| CN108983086A (en) * | 2018-09-06 | 2018-12-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Rotary switch condition detection method, device, system and equipment |
| CN110327582A (en) * | 2019-07-19 | 2019-10-15 | 浙江恒巨电子有限公司 | A kind of fitness equipment controlled using magnetic rotation button |
| CN110400718A (en) * | 2019-07-29 | 2019-11-01 | 广东美的厨房电器制造有限公司 | Household electrical appliance and knob assembly |
| US11699560B2 (en) | 2021-05-07 | 2023-07-11 | Aristocrat Technologies, Inc. | Button deck with non-penetrating pushbutton |
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|---|---|---|---|---|
| JPH08161968A (en) * | 1994-12-09 | 1996-06-21 | Yazaki Corp | Panel switch |
| JP2006317336A (en) * | 2005-05-13 | 2006-11-24 | Mitsubishi Electric Corp | Permanent magnet type rotation sensor |
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| CN203083583U (en) * | 2013-02-01 | 2013-07-24 | 江苏多维科技有限公司 | Absolute-type magnetic-rotation encoder |
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| US20140353920A1 (en) * | 2013-05-31 | 2014-12-04 | Purdue Research Foundation | Wireless Sensor for Rotating Elements |
| US20150091679A1 (en) * | 2013-09-27 | 2015-04-02 | Contelec Ag | Contactless switch |
| CN204648363U (en) * | 2015-05-27 | 2015-09-16 | 浙江绍兴苏泊尔生活电器有限公司 | Rotary control type operating device and induction cooker |
| CN105136349A (en) * | 2015-09-01 | 2015-12-09 | 宁波希磁电子科技有限公司 | Magnetic pressure sensor |
| CN105227170A (en) * | 2015-10-19 | 2016-01-06 | 宁波方太厨具有限公司 | A kind of contactless absolute position knob |
| CN105830347A (en) * | 2013-12-18 | 2016-08-03 | 迪尔阿扣基金两合公司 | Rotary control knob with sensor arrangement |
| CN206294147U (en) * | 2016-12-23 | 2017-06-30 | 宁波方太厨具有限公司 | A kind of inductive switch knob |
| CN207116323U (en) * | 2017-07-10 | 2018-03-16 | 杭州老板电器股份有限公司 | A kind of magnetic control adjusting switch and kitchen appliance for kitchen appliance |
-
2016
- 2016-12-23 CN CN201611204151.4A patent/CN106788378B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08161968A (en) * | 1994-12-09 | 1996-06-21 | Yazaki Corp | Panel switch |
| JP2006317336A (en) * | 2005-05-13 | 2006-11-24 | Mitsubishi Electric Corp | Permanent magnet type rotation sensor |
| JP2009026000A (en) * | 2007-07-18 | 2009-02-05 | Sharp Corp | Input device and electronic apparatus |
| CN201789491U (en) * | 2010-01-29 | 2011-04-06 | 深圳市鑫汇科科技有限公司 | Shock-proof and water-proof encoding device |
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| CN203083583U (en) * | 2013-02-01 | 2013-07-24 | 江苏多维科技有限公司 | Absolute-type magnetic-rotation encoder |
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| CN105227170A (en) * | 2015-10-19 | 2016-01-06 | 宁波方太厨具有限公司 | A kind of contactless absolute position knob |
| CN206294147U (en) * | 2016-12-23 | 2017-06-30 | 宁波方太厨具有限公司 | A kind of inductive switch knob |
| CN207116323U (en) * | 2017-07-10 | 2018-03-16 | 杭州老板电器股份有限公司 | A kind of magnetic control adjusting switch and kitchen appliance for kitchen appliance |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107562117A (en) * | 2017-10-13 | 2018-01-09 | 浙江新涛电子科技股份有限公司 | A kind of electrical equipment non-contact type magnetic knob structure |
| CN108983086A (en) * | 2018-09-06 | 2018-12-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Rotary switch condition detection method, device, system and equipment |
| CN108983086B (en) * | 2018-09-06 | 2023-11-17 | 佛山市顺德区美的洗涤电器制造有限公司 | Knob switch state detection method, device, system and equipment |
| CN110327582A (en) * | 2019-07-19 | 2019-10-15 | 浙江恒巨电子有限公司 | A kind of fitness equipment controlled using magnetic rotation button |
| CN110400718A (en) * | 2019-07-29 | 2019-11-01 | 广东美的厨房电器制造有限公司 | Household electrical appliance and knob assembly |
| CN110400718B (en) * | 2019-07-29 | 2021-05-25 | 广东美的厨房电器制造有限公司 | Household appliance and knob assembly |
| US11699560B2 (en) | 2021-05-07 | 2023-07-11 | Aristocrat Technologies, Inc. | Button deck with non-penetrating pushbutton |
| US11915897B2 (en) | 2021-05-07 | 2024-02-27 | Aristocrat Technologies, Inc. | Button deck with non-penetrating pushbutton |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106788378B (en) | 2023-11-17 |
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