CN101901710B - Rotary encoder switch - Google Patents
Rotary encoder switch Download PDFInfo
- Publication number
- CN101901710B CN101901710B CN 201010224676 CN201010224676A CN101901710B CN 101901710 B CN101901710 B CN 101901710B CN 201010224676 CN201010224676 CN 201010224676 CN 201010224676 A CN201010224676 A CN 201010224676A CN 101901710 B CN101901710 B CN 101901710B
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- Prior art keywords
- contact device
- whirligig
- knob
- rotary coding
- coding switch
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Abstract
The invention relates to a rotary encoder switch. The rotary encoder switch comprises a fixing device, a first contact device, a second contact device and a rotary device, wherein the first contact device and the second contact device are arranged on the fixing device respectively, and are closed when pressed by external force; and the rotary device presses the first contact device and the second contact device under the action of the external force, and is separated from the first contact device and the second contact device under the action of a reset device after the external force disappears. The rotary encoder switch has the advantages of low cost without separate design or selection of knobs, and simpler use because tact switches are used as the first contact device and the second contact device and the knobs of the tact switches are integrated with pressing plates of the first contact device and the second contact device.
Description
Technical field
The present invention relates to the circuit elements device, more particularly, relate to a kind of rotary coding switch.
Background technology
Current various household appliances control field adopts the code switch control technology widely, and practical function is regulated and function control.As everyone knows, existing rotary-type code switch cost is high, becomes puzzlement and the difficult problem of design selection; Particularly at the household electrical appliances control field more and more higher to cost requirement, it is comparatively outstanding that this situation seems.In addition, existing rotary-type code switch is not owing to be with knob, and in actual use, need to design in addition according to the situations such as profile of product increases the rotation toggle; This has been by having increased difficulty and the cost that uses, and therefore a kind ofly uses the rotary coding switch simple, that cost is low just to become necessary in the situation that cost is had requirement.
Summary of the invention
The technical problem to be solved in the present invention is that, cost higher defective complicated for the above-mentioned use of prior art provide a kind of rotary coding switch simple, that cost is low that uses.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of rotary coding switch, comprise fixture, be separately positioned on the described fixture, the first contact device and second contact device of closure when being subjected to external force pressure, and oppress under external force described the first contact device or the second contact device, external force breaks away from the whirligig that contacts with described the first contact device or the second contact device after disappearing under the effect of resetting means.
In rotary coding switch of the present invention, described fixture comprises circuit board, and described the first contact device comprises touch-switch, and described the second contact device comprises touch-switch; Described the first contact device and the second contact device are an angle at a distance of certain distance and its contact compressing direction on described circuit board.
In rotary coding switch of the present invention, described whirligig comprises be used to the knob of being convenient to External Force Acting and is positioned at described knob center, axle that simultaneously extend to described knob, that be used for installing and fixing described whirligig.
In rotary coding switch of the present invention, be provided with a through hole on the midline position of the first contact device and the second contact device on the described circuit board, described whirligig comprises that also position fixing part divides, and described position fixing part is divided by described axle and extended and pass described through hole with the relative position between fixing described whirligig and the described circuit board.
In rotary coding switch of the present invention, described whirligig also comprise be arranged on described knob inside, its position pressure film between described knob outer and described axle, that when described whirligig rotates to an angle, oppress described the first contact device or the second contact device.
In rotary coding switch of the present invention, described resetting means produces the back-moving spring that does not produce torsion with the torsion of described stressed opposite direction when described whirligig does not stress when being included in the stressed rotation of described whirligig.
In rotary coding switch of the present invention, described back-moving spring is socketed on the described axle, and its two ends are separately fixed on described knob inboard and the described circuit board.
In rotary coding switch of the present invention, described knob inboard comprises that be used to the blind hole of placing described back-moving spring one end described circuit board is provided be used to the second through hole of placing the described back-moving spring other end between described the first contact device and the second contact device position.
In rotary coding switch of the present invention, described rotary coding switch comprises that also described power input is connected to an end of described the first contact device and the second contact device for the power input of input supply voltage and two signal output parts; Described two signal output parts are electrically connected with another terminal of described the first contact device and another terminal of the second contact input respectively.
Implement rotary coding switch of the present invention, has following beneficial effect: owing to used touch-switch as the first contact device and the second contact device, and its knob is integrated with the pressure film that acts on described the first contact device and the second contact device, so the cost of this rotary coding switch is low and without otherwise designed, the apolegamy knob, so its use is comparatively simple.
Description of drawings
Fig. 1 is the structural representation of rotary coding switch embodiment of the present invention;
Fig. 2 is the cutaway view of described embodiment;
Fig. 3 is fixture and trigger equipment position view among the described embodiment;
Fig. 4 is the electrical schematic diagram of code switch among the described embodiment.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with accompanying drawing.
Such as Fig. 1, Fig. 2 and shown in Figure 3, in rotary coding switch embodiment of the present invention, described rotary coding switch comprises as the circuit board 1 of fixture and is arranged on the first trigger equipment 21 and the second trigger equipment 22 on the foregoing circuit plate 1, in the present embodiment, above-mentioned the first trigger equipment 21 and the second trigger equipment 22 are respectively vertical touch-switchs, its under normal circumstances, two terminals of switch disconnect; Be subject to External Force Acting and when depressing, two terminals of touch-switch are communicated with at the tactile handle (being the part that touch-switch is accepted External Force Acting) of touch-switch.Above-mentioned touch-switch as the first trigger equipment 21 and the second trigger equipment 22 is welded on the foregoing circuit plate 1, its welding position is at a distance of certain distance, simultaneously, above-mentioned touch-switch is not to be arranged on abreast on the foregoing circuit plate 1, and its installation site is so that its tactile handle direction presents certain angle.Line position is provided with through hole 11 and the second through hole 12 among foregoing circuit plate 1 is positioned at above-mentioned the first trigger equipment 21 and the second trigger equipment 22 installation sites, and acting on after a while of above-mentioned through hole has a detailed description.In the present embodiment, this rotary coding switch also comprises whirligig, and above-mentioned whirligig cooperates with above-mentioned fixture, the first trigger equipment 21 and the second trigger equipment 22, finishes the function of code switch.In the present embodiment, whirligig comprises knob 31, axle 32, pressure film 33 and resetting means.Wherein, above-mentioned knob 31 is used for accepting External Force Acting, so that whole whirligig rotates; Axle 32 is used for connecting above-mentioned whirligig and other parts, so that rotary switch becomes as a whole; Pressure film 33 is used for oppressing the triggering handle of above-mentioned the first trigger equipment 21 or the second trigger equipment 22 when above-mentioned whirligig rotates to an angle under external force, so that the switch ends of above-mentioned the first trigger equipment 21 or the second trigger equipment 22 is connected; In the present embodiment, above-mentioned knob 31, axle 32, pressure film 33 interconnect, and become one, and knob 31 is circular, and axle 32 is positioned at the center of knob 31 and extends to the one side of axle 32; And pressure film 33 is positioned at the one side that the axle 32 of knob 31 extends, and its position is between above-mentioned axle 32 outers and knob 31 edges.Axle 32 is by the above-mentioned through hole 11 that is arranged on the circuit board 1, so that the relative position between above-mentioned whirligig and the circuit board 1 is fixed.
In the present embodiment, above-mentioned resetting means is back-moving spring 4, and this back-moving spring 4 is socketed in above-mentioned axle 32 outsides; Simultaneously, above-mentioned back-moving spring 4 also comprises two terminals, namely the first spring terminal 41 and the second spring terminal 42(are not shown), wherein, above-mentioned the first spring terminal 41 enters the blind hole 34 that is arranged on above-mentioned knob inboard, the second spring terminal 42 is then by above-mentioned the second through hole 12 that is arranged on the circuit board 1, like this, so that the position of above-mentioned back-moving spring 4 is fixed, can not rotate with the rotation of above-mentioned whirligig, thereby when above-mentioned knob 31 rotates, provide so that the active force that the knob 31 of this rotation resets for it.
Fig. 4 is the electrical schematic diagram of this rotary coding switch, in Fig. 4, rotary coding switch also comprises for the power input-5V of input supply voltage and two signal output parts (I/O1, I/O2), and it is K1 among Fig. 4 that power input-5V is connected to the first contact device 21() and the second contact device 22(be K2 among Fig. 4) an end; Two signal output parts (I/O1, I/O2) are K1 among Fig. 4 with the first contact device 21(respectively) another terminal and the second contact input 22(be K2 among Fig. 4) another terminal be electrically connected.In Fig. 4, above-mentioned the first contact device 21(is the K1 among Fig. 4) another terminal by resistance R 1 ground connection, be connected with one power input-5V by capacitor C 1 simultaneously, and be connected to signal output part I/O1 by resistance R 3; Above-mentioned the second contact device 22(is the K2 among Fig. 4) another terminal by resistance R 2 ground connection, be connected with one power input-5V by capacitor C 2 simultaneously, and be connected to signal output part I/O2 by resistance R 4.Wherein, resistance R 1, resistance R 2 are pull-up resistor, and resistance R 3, resistance R 4 are current-limiting resistance; Capacitor C 1, capacitor C 2 are anti-interference capacitor.
In the present embodiment, the course of work of above-mentioned rotary coding switch is as follows: when above-mentioned knob 31 is received External Force Acting clockwise or is rotated counterclockwise, the pressure film 33 that is integrated with it also rotates to an angle, simultaneously, the rotation of this knob 31 need to overcome the resistance that above-mentioned back-moving spring 4 produces, when above-mentioned pressure film 33 rotates to the tactile handle of above-mentioned the first contact device 21 of contact or the second contact device 22, its compressing should be touched handle, so that two switch terminals of the first contact device 21 or the second contact device 22 are converted to short circuit by open circuit, so, produce pulse signal at signal output part I/O1 or signal output part I/O2, these pulse signals are exactly the common control signal or be rotated counterclockwise control signal of turning clockwise, these signals are sent among the MCU that is connected with above-mentioned signal output part, by the processing of MCU, thereby judge the control function that realizes setting.Certainly, if the time that above-mentioned signal continues is longer than certain setting-up time, can also give its certain implication by the setting of MCU, such as quick adjustment etc.After the external force of be used on the above-mentioned knob 31 disappeared, above-mentioned knob 31 will be under the effect of back-moving spring 4, was returned to its position when not stressed.
In the present embodiment, above-mentioned the first contact device 21 and the second contact device 22 are touch-switchs, and in other embodiments, this first contact device 21 and the second contact device 22 can not be touch-switchs also, for example, can be respectively a pair of contact flat springs etc.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (7)
1. rotary coding switch, it is characterized in that, comprise fixture, be separately positioned on the described fixture, the first contact device and second contact device of closure when being subjected to external force pressure, and oppress under external force described the first contact device or the second contact device, external force breaks away from the whirligig that contacts with described the first contact device or the second contact device after disappearing under the effect of resetting means;
Described fixture comprises circuit board, and described the first contact device and the second contact device comprise respectively touch-switch; Described the first contact device and the second contact device are an angle at a distance of certain distance and its contact compressing direction on described circuit board;
Also comprise power input and two signal output parts, described power input is connected to an end of the first contact device and the second contact device; Described two signal output parts are electrically connected with another terminal of the first contact device and another terminal of the second contact device respectively;
Also comprise microcontroller, described microcontroller is connected with described signal output part respectively, by processing, the judgement of microcontroller to signal on the signal output part, realizes the control function of setting; Be longer than setting-up time when the time that above-mentioned signal continues, by the setting of microcontroller, achieve the quick adjustment function.
2. rotary coding switch according to claim 1, it is characterized in that described whirligig comprises be used to the knob of being convenient to External Force Acting and is positioned at described knob center, axle that simultaneously extend to described knob, that be used for installing and fixing described whirligig.
3. rotary coding switch according to claim 2, it is characterized in that, be provided with a through hole on the midline position of the first contact device and the second contact device on the described circuit board, described whirligig comprises that also position fixing part divides, and described position fixing part is divided by described axle and extended and pass described through hole with the relative position between fixing described whirligig and the described circuit board.
4. rotary coding switch according to claim 3, it is characterized in that, described whirligig also comprise be arranged on described knob inside, its position pressure film between described knob outer and described axle, that when described whirligig rotates to an angle, oppress described the first contact device or the second contact device.
5. rotary coding switch according to claim 4 is characterized in that, described resetting means produces the back-moving spring that does not produce torsion with the torsion of described stressed opposite direction when described whirligig does not stress when being included in the stressed rotation of described whirligig.
6. rotary coding switch according to claim 5 is characterized in that, described back-moving spring is socketed on the described axle, and its two ends are separately fixed on described knob inboard and the described circuit board.
7. rotary coding switch according to claim 6, it is characterized in that, described knob inboard comprises that be used to the blind hole of placing described back-moving spring one end described circuit board is provided be used to the second through hole of placing the described back-moving spring other end between described the first contact device and the second contact device position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010224676 CN101901710B (en) | 2010-07-09 | 2010-07-09 | Rotary encoder switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010224676 CN101901710B (en) | 2010-07-09 | 2010-07-09 | Rotary encoder switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101901710A CN101901710A (en) | 2010-12-01 |
| CN101901710B true CN101901710B (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010224676 Expired - Fee Related CN101901710B (en) | 2010-07-09 | 2010-07-09 | Rotary encoder switch |
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| CN (1) | CN101901710B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035273B (en) * | 2012-12-12 | 2016-05-25 | 宁波高新区百瑞音响科技有限公司 | A kind of device that utilizes knob type digital code switch to switch audio file |
| CN104009761B (en) * | 2013-02-25 | 2017-03-15 | 中国电子科技集团公司第五十研究所 | Rotary coding switch signaling conversion circuit |
| CN104217885A (en) * | 2014-09-11 | 2014-12-17 | 江南嘉捷电梯股份有限公司 | Rotary switch self-reset implementation method |
| KR20240014217A (en) * | 2022-07-25 | 2024-02-01 | 엘지전자 주식회사 | Switch assembly for regulating rotary load and fitness bike including switch assembly for regulating rotary load |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392249Y (en) * | 1999-09-03 | 2000-08-16 | 海尔集团公司 | Two direction pulsation knob switch |
| CN101071690A (en) * | 2006-05-12 | 2007-11-14 | 华硕电脑股份有限公司 | Electronic device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6674026B2 (en) * | 2002-05-10 | 2004-01-06 | Tektronix, Inc. | Rear mounted integrated rotary encoder including a pushbutton switch |
| EP2095384B1 (en) * | 2006-12-13 | 2016-05-04 | Sonova AG | Switching element for actuating an adjustable parameter |
-
2010
- 2010-07-09 CN CN 201010224676 patent/CN101901710B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392249Y (en) * | 1999-09-03 | 2000-08-16 | 海尔集团公司 | Two direction pulsation knob switch |
| CN101071690A (en) * | 2006-05-12 | 2007-11-14 | 华硕电脑股份有限公司 | Electronic device |
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| Publication number | Publication date |
|---|---|
| CN101901710A (en) | 2010-12-01 |
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Granted publication date: 20130313 Termination date: 20190709 |
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