CN103533486B - A kind of external volume regulator and control method - Google Patents
A kind of external volume regulator and control method Download PDFInfo
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- CN103533486B CN103533486B CN201310439656.9A CN201310439656A CN103533486B CN 103533486 B CN103533486 B CN 103533486B CN 201310439656 A CN201310439656 A CN 201310439656A CN 103533486 B CN103533486 B CN 103533486B
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- external volume
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Abstract
The invention discloses a kind of external volume regulator and control method, this actuator is used for exporting the signal of telecommunication to inside chip, described inside chip regulates volume according to the described signal of telecommunication, and this actuator includes Hall IC, magnet ring and knob, wherein: described Hall IC connects described inside chip；The setting corresponding with described Hall IC of described magnet ring, described magnet ring has multiple magnetic poles of equilibrium arrangement, and the opposite polarity of adjacent pole；Described knob is fixing with described magnet ring to be connected, and is used for ordering about described magnet ring and rotates, and Hall IC described in the magnetic pole handover trigger of described magnet ring produces and export the signal of telecommunication to described inside chip.The control method of the external volume regulator that the present invention provides, has, without rheostat sum counter etc., the component that range of accommodation limits, can fully realize the electrodeless adjustment of volume.
Description
Technical field
The present invention relates to volume adjustment device, particularly relate to a kind of external regulator filter for volume adjustment device and control method.
Background technology
See Fig. 1 and Fig. 2, existing volume adjustment device includes hand-driven external regulator filter 100 and for the inside chip 200 decaying output audio frequency, the mechanical action that external regulator filter 100 is mainly used in manpower applies is converted into the signal of telecommunication, inside chip 200 is mainly used in identifying this signal of telecommunication and increases or reduce the decay to output audio frequency accordingly, and then corresponding realization reduces or increase volume.
Said external actuator 100 is roughly divided into two kinds, i.e. knob and button.Wherein:
See Fig. 1, the external regulator filter 100 of knob mainly includes protruding knob 111 and potentiometer 112, potentiometer 112 is mainly made up of rheostat assembly, its control method is: manually rotates protrusion knob 111 and adjusts the dividing potential drop change of potentiometer 112, the dividing potential drop of this change is delivered to inside chip 200, is used for realizing inside chip 200 and regulates decay accordingly.The structural volume of this type of external regulator filter 100 is relatively big, and is limited to the change in resistance scope of potentiometer 112, it is impossible to realizing the electrodeless adjustment of volume, especially, rheostat assembly is that contact is slided, and serious wear, service life is low.
See Fig. 2, touch-tone external regulator filter 100 mainly include one "+" 121, "-" key 122 of key, pulse generator 123 sum counter 124, its control method is: manually press "+" key 121 or "-" key 122, pulse generator 123 is made to send pulse to enumerator 124, adding or subtracting count pulse of correspondence is carried out by enumerator 124, and the output of correspondence control counter 124 becomes high potential or electronegative potential, the electric potential signal of this change is delivered to inside chip 200, is used for realizing inside chip 200 and regulates decay accordingly.The pressing type operation of such external regulator filter 100 is the most stiff, operation inconvenience, and is limited to the count range of enumerator 124, it is impossible to realizing the electrodeless adjustment of volume, especially, the compression number of button is limited, and service life is relatively low.
Summary of the invention
The external volume regulator that the present invention provides, has, without rheostat sum counter etc., the component that range of accommodation limits, can fully realize the electrodeless adjustment of volume.
The invention discloses a kind of external volume regulator, this actuator is used for exporting the signal of telecommunication to inside chip, and described inside chip regulates volume according to the described signal of telecommunication, and this actuator includes Hall IC, magnet ring and knob, wherein:
Described Hall IC connects described inside chip；
The setting corresponding with described Hall IC of described magnet ring, described magnet ring has multiple magnetic poles of equilibrium arrangement, and the opposite polarity of adjacent pole；
Described knob is fixing with described magnet ring to be connected, and is used for ordering about described magnet ring and rotates, and Hall IC described in the magnetic pole handover trigger of described magnet ring produces and export the signal of telecommunication to described inside chip.
Preferably, this actuator also includes that base, described base and described knob are respectively set to tray type structure, and described knob is rotatably mounted on described base.
Preferably, described Hall IC is fixed on the upper surface of described base, and described magnet ring is inlaid in the lower surface of described knob, the setting corresponding with the lower surface of described knob of the upper surface of described base.
Preferably, the upper surface of described base is etched with circuit board, and described Hall IC is mounted on described circuit board, and described circuit board is used for connecting described inside chip and described Hall IC.
Preferably, described Hall IC includes two Hall elements, and said two Hall element is positioned at the diverse location on same circle, and described circle and described magnet ring are concentric circular.
Preferably, said two Hall element in central angle be the described magnetic pole of adjacent two in central angle 3/4.
Preferably, described magnet ring is set to be spliced by the ndfeb magnet of multiple arcs.
Preferably, described magnet ring is set to the integrative-structure being molded by magnetic material.
Preferably, described magnet ring is set to the integrative-structure magnetized by rubber magnet ring.
The invention also discloses the control method of a kind of external volume regulator, the method includes:
Knob described in S1, manual rotation, orders about described magnet ring and rotates；
S2, set one of them Hall element as major component, another Hall element is auxiliary element, described major component is triggered when magnetic force declines and produces a pulse signal, simultaneously, the surface magnetic force of auxiliary element is detected by described major component: if the magnetic force of described auxiliary element surface declines, Hall IC is turned right relatively, and Hall IC correspondence produces low level；If the magnetic force increase of described auxiliary element surface, Hall IC turns left relatively, and Hall IC correspondence produces high level；
S3, described pulse signal and the high level of correspondence or low level are delivered to described inside chip.
In sum, the external volume regulator that the present invention provides, triggering State-output high level or low level by knobs fit Hall IC are to inside chip, than existing knob or touch-tone external regulator filter, the present invention is not only restricted to the excursion of voltage device sum counter and limits, it is possible to coordinate inside chip fully to realize the electrodeless adjustment of volume, especially, rotation process is more flexible, has more comfortable operating handle.
Further, than rheostat assembly and the button of existing contact, the touchless Hall IC of the present invention, without factor impacts such as abrasions, significantly improve its service life.
Further, than existing rheostat assembly and the knob of convex type, the present invention uses the magnet ring of annular to coordinate the knob of disc type, its height can reduce further, reducing further and compression of external regulator filter volume can be realized so that it is can be more applicable on the Mini-type audio equipment equipment such as headband receiver.
Accompanying drawing explanation
Fig. 1 is existing knob external regulator filter theory diagram；
Fig. 2 is existing button external regulator filter theory diagram；
Fig. 3 is the exploded perspective view of the embodiment of the present invention one；
Fig. 4 is the schematic side view (section view) of the embodiment of the present invention one；
Fig. 5 is the structural representation (top view) of the embodiment of the present invention two；
Fig. 6 is Hall IC magnetic force change schematic diagram in the embodiment of the present invention two；
Fig. 7 is another schematic diagram of Hall IC magnetic force change in the embodiment of the present invention two；
Fig. 8 is the Application Example exploded perspective view of the present invention；
Fig. 9 is the Application Example structural front view (section view) of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
See Fig. 3 and Fig. 4, a kind of external volume regulator, this external regulator filter and existing inside chip are connected to form volume adjustment device, external regulator filter for being converted into the signal of telecommunication and carrying this signal of telecommunication to inside chip by mechanical action, inside chip signal of telecommunication correspondence accordingly adjusts the decay of input audio frequency, reduce volume by increasing decay, or increase volume by reducing decay.Specifically, this external regulator filter 100 mainly includes Hall IC 130, magnet ring 140 and knob 150, wherein: described Hall IC 130 connects described inside chip, for the instant signal of telecommunication that sends to inside chip；Described magnet ring 140 is correspondingly arranged with described Hall IC 130, described magnet ring 140 has multiple magnetic poles of equilibrium arrangement, and the opposite polarity of adjacent pole, i.e. N pole and S are the most staggered, number of magnetic poles can be arranged flexibly according to factors such as concrete degrees of regulation, this magnet ring 140 can be spliced by the ndfeb magnet of multiple arcs, or is molded into integral structure by magnetic material, or magnetized by the rubber ring of integrative-structure and form；Described knob 150 is preferably tray type structure, described knob 150 is fixing with described magnet ring 140 to be connected, rotate for ordering about described magnet ring 140, Hall IC 130 described in the magnetic pole handover trigger of described magnet ring 140, produced the corresponding signal of telecommunication by the internal circuit correspondence of Hall IC 130, and the described signal of telecommunication is sent to inside chip.
The magnet ring 140 of this external regulator filter is with Hall IC 130 without directly contacting, and therefore without abrasion, than existing rheostat component and button, the service life of the present invention is longer, and simple in construction, and processing cost is low.The present invention is without components such as rheostat sum counters, its structural volume can be compressed further, lower surface at the knob 150 of disc type is provided with annular recess 151, magnet ring 140 is inlaid in annular recess 151, knob 111 than existing convex type, the structure of the present invention is compacter, operates more feel.Especially, the signal of telecommunication output of the present invention, the scope without rheostat sum counter limits, and adequately achieves the electrodeless adjustment of volume.
It is connected with the quick of inside chip and high accuracy for the ease of this external regulator filter, preferably, this external regulator filter also includes base 160, described base 160 is set to the tray type structure suitable with described knob 150, knob 150 can rotate by respect thereto 160, obviously, can directly described knob 150 be rotatably mounted on described base 160, to improve the structural compactness of this actuator further.Described Hall IC 130 is fixed on the upper surface of described base 160, described magnet ring 140 is inlaid in the lower surface of knob, and during installation, the upper surface of base and the lower surface of knob are correspondingly arranged, that is, this external regulator filter is followed successively by from bottom to top: base 160, Hall IC 130, magnet ring 140 and knob 150.When specifically installing, first at the upper surface etching circuit board of base 160, then that Hall IC 130 is fixing on circuit boards by attachment process, circuit board is used for connecting Hall IC 130 and inside chip.
In this embodiment, manually rotary knob 150, order about magnet ring 140 synchronous rotary therewith, magnetic pole on magnet ring 140 constantly switches in Hall IC 130 vertical direction, constantly trigger Hall IC 130, and then produced the corresponding signal of telecommunication by the internal circuit of Hall IC 130, and this signal of telecommunication is sent to inside chip.Accordingly, achieve external regulator filter and mechanical action is converted into the purpose of the concurrent electric signals of the signal of telecommunication, and inside chip is identified after receiving the signal of telecommunication and judges the direction that rotates against of Hall IC 130, and then adjust the size of decay to realize the adjustment of volume.
Embodiment two
In order to coordinate the running of inside chip, the Hall IC 130 in embodiment one has been carried out decision design by the present embodiment, and the technical scheme disclosed in embodiment one is not describing, and technical scheme disclosed in embodiment one falls within the present embodiment.
As shown in Figure 5, for clearly showing that the distinguishing feature of the present embodiment and embodiment one, this figure illustrate only magnet ring 140 and Hall IC 130, specifically: described Hall IC 130 includes two Hall elements, i.e. major component A and auxiliary element B(can be arbitrarily designated one of them for major component A, then another is auxiliary element B), described major component A and described auxiliary element B is positioned at the diverse location on same circle, described circle and described magnet ring 140 are concentric circular, make described major component A and the described auxiliary element B angular velocity relative to the rotation of magnet ring 140, linear velocity is the most identical, improve regularity and the controllability of the described output signal of telecommunication.And, major component A and auxiliary element B its place circle in central angle alpha, be preferably arranged to the described magnetic pole of adjacent two on its annulus in center of circle angle beta 3/4, accordingly, can realize when the magnetic force on major component A surface declines (or rising), magnetic force on auxiliary element B surface alternately occurs for declining and raising, i.e. guarantee to occur the magnetic force change on major component A surface remain with the magnetic force change on auxiliary element B surface Tong Bu in the same direction or reversely, if keeping synchronizing in the same direction or reverse magnetic force change, then the judgement for the relative yawing moment of Hall IC 130 is complex and relatively inaccurate.
In this embodiment, in conjunction with Fig. 5,6 and 7, the control method of external regulator filter is:
1, first set when Hall IC 130 major component A magnetic force decline time be triggered.
2, manual rotation knob 150, orders about magnet ring 140 and rotates above being perpendicular to Hall IC 130, and the magnetic pole of magnet ring 140 switches above major component A.
In conjunction with Fig. 5 and Fig. 6: when magnet ring 140 is along when rotating counterclockwise, major component A is positioned at N pole field and is gradually distance from N pole, magnetic force on major component A surface declines, major component A is triggered and produces a pulse, the most auxiliary element B is positioned at S pole field and is gradually distance from S pole, major component A detects that the magnetic force on auxiliary element B surface reduces, and is i.e. represented by the relative magnet ring 140 of Hall IC 130 and turns clockwise (diagram is turned right), the internal circuit of Hall IC 130 output low level accordingly.
In conjunction with Fig. 5 and Fig. 7: when magnet ring 140 rotates clockwise, major component A is positioned at N pole field and is gradually distance from N pole, magnetic force on major component A surface declines, major component A is triggered and produces a pulse, the most auxiliary element B is positioned at S pole field and moves closer to S pole, major component A detects that the magnetic force on auxiliary element B surface increases, and is i.e. represented by Hall IC 130 and rotates (diagram is turned left) counterclockwise relative to magnet ring 140, and the internal circuit of Hall IC 130 exports high level accordingly.
3, the described pulse signal produced and the high level of correspondence or low level are delivered to described inside chip by Hall IC 130.
Pulse signal and high level that inside chip can be sent according to Hall IC 130 are heightened decay and are realized volume reduction, or the pulse signal and the low level that are sent according to Hall IC 130 are turned down several decay and realized volume rising.
According to the control method of above-mentioned external regulator filter, the external regulator filter of the present invention simple to operate, and can fully realize electrodeless adjustment.
Application Example
As shown in Figure 8 and Figure 9, embodiments of the invention two are applied in headband receiver.Shell at earphone arranges a circular mounting groove 300 caved in, base 160 is installed in mounting groove 300, knob 150 correspondence is arranged on base 160 or the groove of mounting groove 300 is along upper, and the Hall IC 130 on base 160 is accessed on the inside chip within earphone by circuit board.As shown in FIG., this external regulator filter only needs thumb to rotate gently after being installed on earphone, operates than existing button, and the operation of the present invention is simpler, and than existing convex type knob-operated, the volume of the present invention is less, structure is compacter.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, are all contained in protection scope of the present invention.
Claims (8)
1. an external volume regulator, this actuator is used for exporting the signal of telecommunication to inside chip, described in
Portion's chip regulates volume according to the described signal of telecommunication, it is characterised in that this actuator includes Hall IC, magnet ring
And knob, wherein:
Described Hall IC connects described inside chip；
The setting corresponding with described Hall IC of described magnet ring, described magnet ring has multiple magnetic of equilibrium arrangement
Pole, and the opposite polarity of adjacent pole；
Described knob is fixing with described magnet ring to be connected, and is used for ordering about described magnet ring and rotates, the magnetic of described magnet ring
Hall IC described in the handover trigger of pole produces and exports the signal of telecommunication to described inside chip；
Described Hall IC includes two Hall elements, and said two Hall element is positioned at the difference on same circle
Position, described circle and described magnet ring are concentric circular；
Said two Hall element in central angle be the described magnetic pole of adjacent two in central angle
3/4。
External volume regulator the most according to claim 1, it is characterised in that this actuator also wraps
Include base, described base and described knob and be respectively set to tray type structure, and the rotatable peace of described knob
It is contained on described base.
External volume regulator the most according to claim 2, it is characterised in that described Hall IC
Being fixed on the upper surface of described base, described magnet ring is inlaid in the lower surface of described knob, described base
Upper surface setting corresponding with the lower surface of described knob.
External volume regulator the most according to claim 3, it is characterised in that described base upper
Surface etch has circuit board, described Hall IC to be mounted on described circuit board, and described circuit board is used for connecting
Described inside chip and described Hall IC.
External volume regulator the most according to claim 1, it is characterised in that described magnet ring is arranged
For being spliced by the ndfeb magnet of multiple arcs.
External volume regulator the most according to claim 1, it is characterised in that described magnet ring is arranged
For the integrative-structure being molded by magnetic material.
External volume regulator the most according to claim 1, it is characterised in that described magnet ring is arranged
For the integrative-structure magnetized by rubber magnet ring.
8. the control method of an external volume regulator as claimed in claim 1, it is characterised in that
The method includes:
Knob described in S1, manual rotation, orders about described magnet ring and rotates；
S2, setting one of them Hall element as major component, another Hall element is auxiliary element, described master
Element is triggered when magnetic force declines and produces a pulse signal, and meanwhile, described major component is to auxiliary element
Surface magnetic force detect: if the magnetic force of described auxiliary element surface declines, Hall IC is turned right relatively, suddenly
You produce low level at IC correspondence；If the magnetic force increase of described auxiliary element surface, Hall IC turns left relatively,
Hall IC correspondence produces high level；
S3, described pulse signal and the high level of correspondence or low level are delivered to described inside chip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439656.9A CN103533486B (en) | 2013-09-24 | 2013-09-24 | A kind of external volume regulator and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439656.9A CN103533486B (en) | 2013-09-24 | 2013-09-24 | A kind of external volume regulator and control method |
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| Publication Number | Publication Date |
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| CN103533486A CN103533486A (en) | 2014-01-22 |
| CN103533486B true CN103533486B (en) | 2016-12-07 |
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| CN201310439656.9A Active CN103533486B (en) | 2013-09-24 | 2013-09-24 | A kind of external volume regulator and control method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105261509A (en) * | 2015-08-28 | 2016-01-20 | 青岛海尔科技有限公司 | Separate knob switch, terminal equipment and working mode adjusting method of separate knob switch |
| CN108027629A (en) * | 2016-08-11 | 2018-05-11 | 华为技术有限公司 | Information processing method and mobile equipment |
| CN108427547B (en) * | 2017-02-13 | 2021-01-22 | 深圳市中兴微电子技术有限公司 | Volume adjusting method and device |
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| CN1753118A (en) * | 2004-09-21 | 2006-03-29 | 雅马哈株式会社 | Parameter setting apparatus and method |
| CN101232687A (en) * | 2007-01-15 | 2008-07-30 | Lg电子株式会社 | Mobile terminal having rotating input device and method for operating the mobile terminal |
| CN201667636U (en) * | 2009-11-05 | 2010-12-08 | 北京华电天仁电力控制科技有限公司 | Intelligent electric actuator control unit |
| CN102722214A (en) * | 2012-06-28 | 2012-10-10 | 惠州市德赛西威汽车电子有限公司 | Knob |
| CN203522994U (en) * | 2013-09-24 | 2014-04-02 | 青岛歌尔声学科技有限公司 | External volume regulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10314064A1 (en) * | 2003-03-28 | 2004-10-07 | Zf Friedrichshafen Ag | Method for determining a speed and a direction of rotation of a component |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1753118A (en) * | 2004-09-21 | 2006-03-29 | 雅马哈株式会社 | Parameter setting apparatus and method |
| CN101232687A (en) * | 2007-01-15 | 2008-07-30 | Lg电子株式会社 | Mobile terminal having rotating input device and method for operating the mobile terminal |
| CN201667636U (en) * | 2009-11-05 | 2010-12-08 | 北京华电天仁电力控制科技有限公司 | Intelligent electric actuator control unit |
| CN102722214A (en) * | 2012-06-28 | 2012-10-10 | 惠州市德赛西威汽车电子有限公司 | Knob |
| CN203522994U (en) * | 2013-09-24 | 2014-04-02 | 青岛歌尔声学科技有限公司 | External volume regulator |
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Inventor after: Yuan Guotao Inventor after: Ding Lijun Inventor after: Zhang Li Inventor after: Wang Ximing Inventor before: Yuan Guotao |
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