CN105702508A - Rotary encoder and household appliance having the same - Google Patents
Rotary encoder and household appliance having the same Download PDFInfo
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- CN105702508A CN105702508A CN201610195233.0A CN201610195233A CN105702508A CN 105702508 A CN105702508 A CN 105702508A CN 201610195233 A CN201610195233 A CN 201610195233A CN 105702508 A CN105702508 A CN 105702508A
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- rotary encoder
- brush
- encoder according
- upper cover
- fluctuation dish
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- 238000009434 installation Methods 0.000 claims description 29
- 210000000515 tooth Anatomy 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 210000000078 claw Anatomy 0.000 abstract 3
- 230000005611 electricity Effects 0.000 description 14
- 230000000875 corresponding effect Effects 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/08—Bases; Stationary contacts mounted thereon
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention discloses a rotary encoder and a household appliance having the same. The rotary encoder comprises: a body, wherein a mounting part is arranged on the body, and an inner cavity conducting strip extending along the circumferential direction of the mounting part is arranged on the periphery of the mounting part; a fluctuation plate, wherein the fluctuation plate is arranged on the mounting part and can rotate around the axial line of the body; and a brush, wherein the brush is arranged between the body and the fluctuation plate and synchronously rotate with the fluctuation plate, the brush is provided with at least two brush claws, and the brush claws are propped against the inner cavity conducting strip. According to the rotary encoder disclosed by the embodiment of the invention, the fluctuation plate is rotated to change the positions of the brush claws of the brush relative to the inner cavity conducting strip, so that different loop signals can be formed between the brush and the inner cavity conducting strip. The rotary encoder is simple in structure, low in processing and manufacturing costs and is convenient to operate.
Description
Technical field
The present invention relates to an electro-technical field, more particularly, to a kind of rotary encoder and the household electrical appliance with it。
Background technology
Rotary encoder is widely used in various household electrical appliance, different loop signals is produced by rotary encoder, the controller of household electrical appliance sends different action commands according to receiving different loop signals, thus the various functions of household electrical appliance are made Effective Regulation。
But rotary encoder structure in correlation technique is complicated, inconvenient operation and as easy as rolling off a log shaking phenomenon occurs, cause controller cannot accurately receive loop signal, household electrical appliance function cannot Effective Regulation, user's request cannot be met。
Summary of the invention
It is contemplated that solve one of above-mentioned technical problem at least to a certain extent。
For this, the present invention proposes a kind of rotary encoder, and this rotary encoder simple in construction, processing and manufacturing cost are low and easy to operate。
The present invention also proposes a kind of household electrical appliance with above-mentioned rotary encoder, and this household electrical appliance cost is low, easy to operate and can accurately regulate and control various function。
The rotary encoder of embodiment includes according to a first aspect of the present invention: body, and described body is provided with installation portion, and the periphery of described installation portion is provided with along its circumferentially extending inner chamber conducting strip；Fluctuation dish, described fluctuation dish is located on described installation portion and rotatable around the axis of described body；Brush, described brush is located between described body and described fluctuation dish and with described fluctuation dish synchronous axial system, and described brush has at least two brush pawl, and described brush pawl only supports described inner chamber conducting strip。
Rotary encoder according to embodiments of the present invention, changes the brush pawl position relative to inner chamber conducting strip of brush, such that it is able to form different loop signals between brush from inner chamber conducting strip by rotation wave Moving plate。This rotary encoder simple in construction, processing and manufacturing cost are low and easy to operate。
It addition, rotary encoder according to embodiments of the present invention, it is also possible to there is following additional technical characteristic:
According to one embodiment of present invention, described rotary encoder also includes: at least one Location resilient piece, described Location resilient piece sets on the body and is positioned at the periphery of described inner chamber conducting strip, at least some of periphery wall only supporting described fluctuation dish of described Location resilient piece。
According to one embodiment of present invention, the periphery wall of described fluctuation dish is provided with the multiple positioning tooths along its circumferentially spaced layout, limits locating slot, stretching at least partially in described locating slot of described Location resilient piece between adjacent two described positioning tooths。
According to one embodiment of present invention, described body is provided with the installation buckle being suitable to install described Location resilient piece, and the two ends of described Location resilient piece are separately mounted to described installation card and buckle, and described Location resilient piece is provided with the positioning convex being adapted to extend in described locating slot。
According to one embodiment of present invention, the free end of described positioning convex is formed as arcwall face, rounding off between described positioning tooth and described locating slot。
According to one embodiment of present invention, described installation portion is formed as the hollow cylinder projected upwards along the upper surface of described body, and described hollow cylinder is coaxial with described body, and described fluctuation dish is provided with and is suitable to the middle mesopore adaptive with described hollow cylinder。
According to one embodiment of present invention, the upper surface of described body is provided with coaxial with described hollow cylinder and open upper end annular receiving groove, the shape of described fluctuation dish is corresponding with the shape of described annular receiving groove, and described inner chamber conducting strip is located on the diapire of described annular receiving groove。
According to one embodiment of present invention, the bottom of described fluctuation dish is provided with multiple locating dowel, and described brush is provided with the location hole corresponding with described locating dowel position, and described locating dowel traverse hole, described location is to drive described brush to rotate。
According to one embodiment of present invention, the lower surface of described body is provided with the terminal supportor being suitable to install described rotary encoder and is suitable to the body locating dowel that described body is positioned。
According to one embodiment of present invention, described rotary encoder also includes: upper cover, and described upper cover is connected with described body, and described fluctuation dish and described brush are between described upper cover and described body。
According to one embodiment of present invention, the upper surface of described body is provided with multiple mounting post along its circumferentially spaced layout, is covered with the installing hole corresponding with described mounting post position, described mounting post and the riveted joint of described installing hole on described。
According to one embodiment of present invention, the lower surface of described upper cover is provided with two symmetrically arranged limited blocks, and each described limited block is respectively used to carry out spacing to described Location resilient piece。
According to one embodiment of present invention, described rotary encoder also includes: knob, and described knob is connected with described fluctuation dish and around the axis of described body rotatably to drive described fluctuation dish to rotate。
According to one embodiment of present invention, the lower surface of described upper cover is provided with along its circumferentially extending dust-proof shirt rim, described knob is provided with the back-off fastened with described dust-proof shirt rim, and described knob is rotatable around the axis of described body relative to described upper cover with described upper cover clamping and described knob。
According to one embodiment of present invention, described knob is provided with multiple driving post, and described fluctuation dish is provided with the mounting groove adaptive with described driving post, and described driving post is connected with described mounting groove to drive described fluctuation dish to rotate through described upper cover。
According to one embodiment of present invention, the radial dimension of described knob is more than the radial dimension of described upper cover, and the inner ring of described knob is provided with multiple along its circumferentially spaced positioning step being evenly arranged, and each described positioning step only supports the outside wall surface of described upper cover respectively。
According to one embodiment of present invention, described rotary encoder also includes: button, and described button is connected with described body through described knob, described upper cover, described fluctuation dish with brush, axially movable along described body of described button。
According to one embodiment of present invention, described body be provided with along its axially through through hole, the bottom of described through hole is provided with installation step, and described button is provided with the buckle that described installation step is corresponding, described button and described body clamping。
The household electrical appliance of embodiment include the rotary encoder of above-described embodiment according to a second aspect of the present invention, owing to the rotary encoder of embodiment according to a first aspect of the present invention has simple in construction, low cost of manufacture and easy to operate advantage, therefore, the household electrical appliance of embodiment have the advantage that cost is low, easy to operate and can accurately regulate and control various function according to a second aspect of the present invention。
The additional aspect of the present invention and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention。
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 be according to an embodiment of the invention rotary encoder at the exploded view of an angle；
Fig. 2 be according to an embodiment of the invention rotary encoder at the exploded view of another angle；
Fig. 3 be according to an embodiment of the invention rotary encoder at the axonometric chart of an angle；
Fig. 4 be according to an embodiment of the invention rotary encoder at the axonometric chart of another angle；
Fig. 5 is the assembling structural representation of fluctuation dish and brush according to an embodiment of the invention；
Fig. 6 be according to an embodiment of the invention body at the axonometric chart of an angle；
Fig. 7 is that upper cover, fluctuation dish and body assemble structural representation according to an embodiment of the invention；
Fig. 8 is the axonometric chart that Location resilient piece and fluctuation dish are arranged on body according to an embodiment of the invention。
Accompanying drawing labelling:
Rotary encoder 100；
Body 10；Installation portion 11；Inner chamber conducting strip 12；Buckle 13 is installed；Annular receiving groove 14；Terminal supportor 15；Mounting post 16；Through hole 17；Installation step 18；Body locating dowel 19；
Fluctuation dish 20；Positioning tooth 21；Locating slot 22；Middle mesopore 23；Locating dowel 24；Mounting groove 25；
Brush 30；Brush pawl 31；Hole 32, location；
Location resilient piece 40；Positioning convex 41；
Upper cover 50；Installing hole 51；Limited block 52；Dust-proof shirt rim 53；
Knob 60；Back-off 61；Drive post 62；Positioning step 63；
Button 70；Buckle 71。
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish。The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention。
Below with reference to Fig. 1-Fig. 8, rotary encoder 100 according to embodiments of the present invention is described。This rotary encoder 100 can be widely applied in various household electrical appliance, rotary encoder 100 rotary motion makes the loop signal that its internal generation is different, the different circuit signal according to receiving that controls of household electrical appliance sends different action commands, thus the temperature of Effective Regulation household electrical appliance, pressure or rotating speed etc.。
Rotary encoder 100 according to embodiments of the present invention substantially may include that body 10, fluctuation dish 20 and brush 30。As depicted in figs. 1 and 2, the circular configuration that body 10, fluctuation dish 20 and brush 30 can cooperate for shape and structure。It is understood that body 10, fluctuation dish 20 and brush 30 can also be square or polygonized structure, do not describing in detail here。
Specifically, body 10 is provided with installation portion 11, and the periphery of installation portion 11 is provided with along its circumferentially extending inner chamber conducting strip 12。Fluctuation dish 20 is located on installation portion 11 and rotatable around the axis of body 10, and brush 30 is located between body 10 and fluctuation dish 20 and with fluctuation dish 20 synchronous axial system, and brush 30 has at least two brush pawl 31, and brush pawl 31 only supports inner chamber conducting strip 12。It is to say, inner chamber conducting strip 12 is fixed on installation portion 11, brush 30 is located at the bottom of fluctuation dish 20 and can be formed loop with inner chamber conducting strip 12 be connected by brush pawl 31。Fluctuation dish 20 rotarily drive brush 30 synchronous rotary thus changing brush pawl 31 and inner chamber conducting strip 12 link position。The change of brush pawl 31 and inner chamber conducting strip 12 link position makes formation different circuit signal between brush 30 and inner chamber conducting strip 12。
Can arranging at least two Jie electricity district and at least one Fei Jie electricity district in interval in the circumference of inner chamber conducting strip 12, brush 30 can be driven to rotate for the rotation of fluctuation dish 20 thus what change brush pawl 31 and Jie electricity district and Fei Jie electricity district contacts situation。When two brush pawls 31 coordinate with Jie electricity district simultaneously, constitute loop between brush 30 with inner chamber conducting strip 12 to be connected and form loop signal, and the controller of household electrical appliance is exported produced loop signal, controller sends corresponding action command signal after the loop signal received is judged, thus realizing the switching to household electrical appliance difference in functionality。
Such as, when being controlled the switch on and off of household electrical appliance by rotary encoder, when inner chamber conducting strip 12 can be provided with Liang Gejie electricity district and a non-electrical district, one of them brush pawl 31 of brush 30 can coordinate with Jie electricity district all the time, is made another brush pawl 31 of brush 30 alternately contact with Jie electricity district and Fei Jie electricity district by rotation wave Moving plate 20。When another brush pawl 31 of brush 30 contacts with Jie electricity district, it is collectively forming loop signal between two brush pawls 31 and Liang Gejie electricity district, now the controller of household electrical appliance will send the command signal of conducting switch, when another brush pawl 31 of brush 30 contacts with Fei Jie electricity district, not producing loop signal between brush 30 and inner chamber conducting strip 12, now the controller of household electrical appliance will send the command signal disconnecting switch。
It is understood that above-described embodiment is only illustrative, it it is not limitation of the present invention。Inner chamber conducting strip 12 can set plural Jie electricity district and Fei Jie electricity district, correspondingly, brush 30 can be provided with plural brush pawl 31, thus different loop signals can be produced at inner chamber conducting strip 12 from brush 30, the controller of household electrical appliance to sending different work orders, and then realizes switching to household electrical appliance difference in functionality according to different loop signals。
Brush 30 and inner chamber conducting strip 12 can be made for the good metal material of electric conductivity, such as, copper sheet or silver strip, body 10 and fluctuation dish 20 can form for plastic ejection moulding, wherein, inner chamber conducting strip 12 can dissolve joining technique by ejection formation and is embedded in body 10 by inner chamber conducting strip 12。As depicted in figs. 1 and 2, body 10 and fluctuation dish 20 can be formed generally as cylinder, and inner chamber conducting strip 12 is partially exposed at the upper surface of body 10, so that the brush pawl 31 of brush 30 can contact with inner chamber conducting strip 12。Inner chamber conducting strip 12 is extended with terminal supportor 15 to body 10 bottom direction, and terminal supportor 15 is connected with the controller of household electrical appliance。
Rotary encoder 100 according to embodiments of the present invention, changes the brush pawl 31 position relative to inner chamber conducting strip 12 of brush 30 by rotation wave Moving plate 20, such that it is able to form different loop signals between brush 30 from inner chamber conducting strip 12。This rotary encoder 100 simple in construction, processing and manufacturing cost are low and easy to operate。
In some embodiments of the invention, rotary encoder 100 also includes: at least one Location resilient piece 40。Location resilient piece 40 is located on body 10 and is positioned at the periphery of inner chamber conducting strip 12, at least some of periphery wall only supporting fluctuation dish 20 of Location resilient piece 40。As shown in Figure 8, fluctuation dish 20 is located at the end face of body 10 and coordinates with installation portion 11, and the inner of Location resilient piece 40 is only against the periphery wall of fluctuation dish 20。So, when fluctuation dish 20 rotates。Location resilient piece 40 will play interference effect for the rotation of fluctuation dish 20。Additionally, when fluctuation dish 20 and Location resilient piece 40 are touched, fluctuation dish 20 slips over Location resilient piece 40 can send the slight sound, and user can substantially experience fluctuation dish 20 turned position, thus increasing user to position sense。
In one particular embodiment of the present invention, as shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 8, the periphery wall of fluctuation dish 20 is provided with multiple positioning tooths 21 of circumferentially spaced layout, limits locating slot 22, stretching at least partially in locating slot 22 of Location resilient piece 40 between adjacent two positioning tooths 21。Body 10 is provided with the installation buckle 13 being suitable to install Location resilient piece 40, and the two ends of Location resilient piece 40 are separately mounted to install on buckle 13, and Location resilient piece 40 is provided with the positioning convex 41 being adapted to extend in locating slot 22。
Positioning tooth 21 and locating slot 22 are evenly distributed on the periphery wall of fluctuation dish 20, thereby may be ensured that fluctuation dish 20 rotation process is subject to identical interference drag all the time, and then make fluctuation dish 20 that brush 30 can be driven to rotate evenly。Owing to Location resilient piece 40 has retractility, when positioning convex 41 slips over positioning tooth 21, Location resilient piece 40 will by moderate compression；When positioning convex 41 slips in locating slot 22, Location resilient piece 40 returns to again original state。Thus, it is further ensured that fluctuation dish 20 can rotate swimmingly。
Advantageously, the free end of positioning convex 41 is formed as arcwall face, rounding off between positioning tooth 21 and locating slot 22。Thus, frictional force when positioning convex 41 is touched can be reduced with positioning tooth 21 and locating slot 22, it is further ensured that fluctuation dish 20 can rotate and avoid to be worn in fluctuation dish 20 use procedure swimmingly, improves convenience and the stability of rotary encoder 100 operation。
In the present invention in certain embodiments, as shown in Figure 1, Figure 2 with shown in Fig. 6, installation portion 11 is formed as the hollow cylinder projected upwards along the upper surface of body 10, and hollow cylinder is coaxial with body 10, and fluctuation dish 20 is provided with and is suitable to the middle mesopore 23 adaptive with described hollow cylinder。It is to say, hollow cylinder is positioned at the middle part of body 10 upper surface, fluctuation dish 20 is rotatably set on hollow cylinder and brush 30 can be driven to rotate to change the position of brush pawl 31 opposite bores conducting strip 12。
Further, the upper surface of body 10 is provided with coaxial with hollow cylinder and open upper end annular receiving groove 14, and the shape of fluctuation dish 20 is corresponding with the shape of annular receiving groove 14, and inner chamber conducting strip 12 is located on the diapire of annular receiving groove 14。As depicted in figs. 1 and 2, body 10, brush 30 and fluctuation dish 20 can be circular configuration, and the base section of fluctuation dish 20 upwards caves in and forms the brush groove being suitable to hold brush 30。
Brush 30 is formed generally as ring segment, and the periphery of ring segment is provided with brush pawl 31, and one end of brush pawl 31 is connected on ring segment, and the other end of brush pawl 31 upwardly extends again after downwardly extending。So, when fluctuation dish 20 is placed in annular receiving groove 14, the lower surface of the lateral wall of fluctuation dish 20 is only against on the diapire of annular receiving groove 14, and the other end of brush pawl 31 directes reach on inner chamber conducting strip 12, and brush 20 overlaps with inner chamber conducting strip 12 on the perspective plane of axial direction。
Alternatively, as shown in Figure 1 and Figure 5, the bottom of fluctuation dish 20 is provided with multiple locating dowel 24, and brush 30 is provided with the location hole 32 corresponding with locating dowel 24 position, and locating dowel 24 is through positioning hole 32 to drive brush 30 to rotate。Wherein, locating dowel 24 can be interference fit with hole 32, location, thus, improves the bonding strength of brush 30 and fluctuation dish 20。Certainly, it will be appreciated by persons skilled in the art that brush 30 can also be fixed on fluctuation dish 20 by bonding or snap fit, do not describing in detail here。
In the still other embodiments of the present invention, rotary encoder 100 can also include upper cover 50。Upper cover 50 is connected with body 10, and fluctuation dish 20 and brush 30 are between upper cover 50 and body 10。As shown in Figure 1, Figure 2 and Figure 7, upper cover 50 of a generally circular configuration, upper cover 50 covers on fluctuation dish 20 and is connected with body 10, and fluctuation dish 20 is folded between upper cover 50 and body 10。Make compact conformation between fluctuation dish 20 and body 10 by arranging upper cover 50, effectively limit the fluctuation dish 20 degree of freedom at axial direction, and dust can be avoided to fall into the inside of rotary encoder 100。
Alternatively, the upper surface of body 10 is provided with multiple mounting post 16 along its circumferentially spaced layout, and upper cover 50 is provided with the installing hole 51 corresponding with mounting post 16 position, and mounting post 16 and installing hole 51 are riveted。As shown in Fig. 2, Fig. 6 and Fig. 7, installing hole 51 is located at the outer rim of the upper surface of upper cover 50 and is positioned at the outside of fluctuation dish 20 perisporium, and wherein, the bottom wall portion of the roof of fluctuation dish 20 and upper cover 50 is fitted。In other words, upper cover 50 only defines the degree of freedom of fluctuation dish 20 axial direction, and does not limit the degree of freedom of fluctuation dish 20 circumferential direction。Thus, it is possible to fluctuation dish 20 is effectively limited between body 10 and upper cover 50, it is to avoid fluctuation dish 20 shakes at rotary course。
Advantageously, as it is shown in figure 1, the lower surface of upper cover 50 is provided with two symmetrically arranged limited blocks 52, correspondingly, body 10 is provided with two Location resilient pieces 40, and each limited block 52 is respectively used to carry out spacing to Location resilient piece 40。After upper cover 50 is connected with body 10, limited block 52 is crimped on the upper surface of Location resilient piece 40。Thus, it is possible to Location resilient piece 40 is effectively secured on body 10。Alternatively, two Location resilient pieces 40 are oppositely arranged。Namely two Location resilient pieces 40 are positioned at body 10 same two Location resilient pieces 40 can limit fluctuation dish 20 displacement in radial directions in the radial direction, thus, improve the stability that fluctuation dish 20 coordinates with body 10。
In the still other embodiments of the present invention, rotary encoder 100 can also include: knob 60。Knob 60 is connected with fluctuation dish 20 and around the axis of body 10 rotatably to drive fluctuation dish 20 to rotate。The lower surface of upper cover 50 is provided with along its circumferentially extending dust-proof shirt rim 53, and knob 60 is provided with the back-off 61 fastened with dust-proof shirt rim 53, and knob 60 is rotatable around the axis of body 10 relative to upper cover 50 with upper cover 50 clamping and knob 60。
As shown in figures 1 and 3, knob 60 is open at its lower end tube structure, and upper cover 50, fluctuation dish 20 and body 10 are all accommodated in knob 60, and upper cover 50, fluctuation dish 20, body 10 and knob 60 are coaxially disposed。Owing to the back-off 61 of knob 60 sidewall is fastened on the lower surface of dust-proof shirt rim 53, thus, the compactness coordinated between knob 60 with upper cover 50 can be increased, prevent knob 60 from rocking in rotary course, effectively prevent knob 60 from getting loose or deflection from upper cover 50, and then ensure that knob 60 drives fluctuation dish 20 synchronous rotary all the time。
Alternatively, knob 60 is provided with multiple driving post 62, and fluctuation dish 20 is provided with and the mounting groove 25 driving post 62 adaptation, drives post 62 to be connected with mounting groove 25 to drive fluctuation dish 20 to rotate through upper cover 50。Such as, as depicted in figs. 1 and 2, the diapire of knob 60 has three arcs being arranged concentrically and drives post 62, and fluctuation dish 20 upper end has three and is arranged concentrically arc mounting groove 25, and each arc drives post 62 suitable with the arc mounting groove 25 of relevant position。In this manner it is ensured that rotary knob 60 drives fluctuation dish 20 synchronous axial system。
Alternatively, the radial dimension of knob 60 is more than the radial dimension of upper cover 50, and the inner ring of knob 60 is provided with multiple along its circumferentially spaced positioning step 63 being evenly arranged, and each positioning step 63 only supports the outside wall surface of upper cover 50 respectively。Positioning step 63 is around the outside wall surface being located at upper cover 50, and the outside wall surface of the medial surface of positioning step 63 and upper cover 50 is fitted。Thus, strengthen the compactness that knob 60 coordinates with upper cover 50, prevent knob 60 from shaking in rotation process further。
In the still other embodiments of the present invention, rotary encoder 100 can also include: button 70。Button 70 is connected with body 10 through knob 60, upper cover 50, fluctuation dish 20 with brush 30, axially movable along body 10 of button 70。As shown in Figure 1, Figure 2 and Figure 4, the top of rotary encoder 100 is provided with button 70。The head that button 70 includes circle and the bar portion axially extended。Body 10 be provided with along its axially through through hole 17, the bottom of through hole 17 is provided with installation step 18。The bar portion of button 70 is provided with the buckle 71 corresponding with installation step 18, button 70 and body 10 clamping。The upper surface of knob 60 forms holding tank, and holding tank forms intercommunicating pore。The bar portion of button 70 enters through intercommunicating pore 17 in the through hole 17 of body 10, thus realizing coordinating of installation step 18 and buckle 71, and then button 70 effectively limits button 70 degree of freedom in the axial direction。
In other specific embodiments of the present invention, the lower surface of body 10 be provided be suitable to install rotary encoder 100 and terminal supportor 15 and be suitable to the body locating dowel 19 that body is carried out。Terminal supportor 15 generally can with welding circuit board to export loop signal to controller。
The household electrical appliance implemented according to a second aspect of the present invention (not shown go out) include the rotary encoder 100 of first aspect present invention embodiment, owing to the rotary encoder 100 of embodiment according to a first aspect of the present invention has simple in construction, low cost of manufacture and easy to operate advantage, therefore, the household electrical appliance of embodiment have the advantage that cost is low, easy to operate and can accurately regulate and control various function according to a second aspect of the present invention。
In describing the invention, it will be appreciated that, term " on ", D score, " end ", " interior ", " outward ", " axially ", the orientation of the instruction such as " radially " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention。
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic。Thus, define " first ", the feature of " second " can express or implicitly include one or more these features。In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically。
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals。For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be。
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them。And, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature。Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height less than second feature。
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention。In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example。And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example。
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, being not considered as limiting the invention, above-described embodiment can be changed when without departing from principles of the invention and objective, revises, replace and modification by those of ordinary skill in the art within the scope of the invention。
Claims (19)
1. a rotary encoder, it is characterised in that including:
Body, described body is provided with installation portion, and the periphery of described installation portion is provided with along its circumferentially extending inner chamber conducting strip；
Fluctuation dish, described fluctuation dish is located on described installation portion and rotatable around the axis of described body；
Brush, described brush is located between described body and described fluctuation dish and with described fluctuation dish synchronous axial system, and described brush has at least two brush pawl, and described brush pawl only supports described inner chamber conducting strip。
2. rotary encoder according to claim 1, it is characterized in that, also including: at least one Location resilient piece, described Location resilient piece sets on the body and is positioned at the periphery of described inner chamber conducting strip, at least some of periphery wall only supporting described fluctuation dish of described Location resilient piece。
3. rotary encoder according to claim 2, it is characterized in that, the periphery wall of described fluctuation dish is provided with the multiple positioning tooths along its circumferentially spaced layout, limits locating slot, stretching at least partially in described locating slot of described Location resilient piece between adjacent two described positioning tooths。
4. rotary encoder according to claim 3, it is characterized in that, described body is provided with the installation buckle being suitable to install described Location resilient piece, the two ends of described Location resilient piece are separately mounted to described installation card and buckle, and described Location resilient piece is provided with the positioning convex being adapted to extend in described locating slot。
5. rotary encoder according to claim 4, it is characterised in that the free end of described positioning convex is formed as arcwall face, rounding off between described positioning tooth and described locating slot。
6. rotary encoder according to claim 1, it is characterized in that, described installation portion is formed as the hollow cylinder projected upwards along the upper surface of described body, and described hollow cylinder is coaxial with described body, and described fluctuation dish is provided with and is suitable to the middle mesopore adaptive with described hollow cylinder。
7. rotary encoder according to claim 6, it is characterized in that, the upper surface of described body is provided with coaxial with described hollow cylinder and open upper end annular receiving groove, the shape of described fluctuation dish is corresponding with the shape that described annular states holding tank, and described inner chamber conducting strip is located on the diapire of described annular receiving groove。
8. rotary encoder according to claim 1, it is characterized in that, the bottom of described fluctuation dish is provided with multiple locating dowel, and described brush is provided with the location hole corresponding with described locating dowel position, and described locating dowel traverse hole, described location is to drive described brush to rotate。
9. rotary encoder according to claim 1, it is characterised in that the lower surface of described body is provided with the terminal supportor being suitable to install described rotary encoder and is suitable to the body locating dowel that described body is positioned。
10. rotary encoder according to claim 2, it is characterised in that also include: upper cover, described upper cover is connected with described body, and described fluctuation dish and described brush are between described upper cover and described body。
11. rotary encoder according to claim 10, it is characterized in that, the upper surface of described body is provided with multiple mounting post along its circumferentially spaced layout, is covered with the installing hole corresponding with described mounting post position, described mounting post and the riveted joint of described installing hole on described。
12. rotary encoder according to claim 10, it is characterised in that the lower surface of described upper cover is provided with two symmetrically arranged limited blocks, and each described limited block is respectively used to carry out spacing to described Location resilient piece。
13. rotary encoder according to claim 10, it is characterised in that also include: knob, described knob is connected with described fluctuation dish and around the axis of described body rotatably to drive described fluctuation dish to rotate。
14. rotary encoder according to claim 13, it is characterized in that, the lower surface of described upper cover is provided with along its circumferentially extending dust-proof shirt rim, described knob is provided with the back-off fastened with described dust-proof shirt rim, and described knob is rotatable around the axis of described body relative to described upper cover with described upper cover clamping and described knob。
15. rotary encoder according to claim 13, it is characterized in that, described knob is provided with multiple driving post, and described fluctuation dish is provided with the mounting groove adaptive with described driving post, and described driving post is connected with described mounting groove to drive described fluctuation dish to rotate through described upper cover。
16. rotary encoder according to claim 13, it is characterized in that, the radial dimension of described knob is more than the radial dimension of described upper cover, the inner ring of described knob is provided with multiple along its circumferentially spaced positioning step being evenly arranged, and each described positioning step only supports the outside wall surface of described upper cover respectively。
17. rotary encoder according to claim 13, it is characterised in that also include: button, described button is connected with described body through described knob, described upper cover, described fluctuation dish with brush, axially movable along described body of described button。
18. rotary encoder according to claim 17, it is characterized in that, described body be provided with along its axially through through hole, the bottom of described through hole is provided with installation step, described button is provided with the buckle corresponding with described installation step, described button and described body clamping。
19. household electrical appliance, it is characterised in that include the rotary encoder according to any one of claim 1-18。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195233.0A CN105702508B (en) | 2016-03-30 | 2016-03-30 | Rotary encoder and household electrical appliance with it |
| PCT/CN2016/083362 WO2017166410A1 (en) | 2016-03-30 | 2016-05-25 | Rotary encoder and household appliance having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195233.0A CN105702508B (en) | 2016-03-30 | 2016-03-30 | Rotary encoder and household electrical appliance with it |
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| Publication Number | Publication Date |
|---|---|
| CN105702508A true CN105702508A (en) | 2016-06-22 |
| CN105702508B CN105702508B (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610195233.0A Active CN105702508B (en) | 2016-03-30 | 2016-03-30 | Rotary encoder and household electrical appliance with it |
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| Country | Link |
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| WO2022166787A1 (en) * | 2021-02-04 | 2022-08-11 | 东莞市凯华电子有限公司 | Rotary encoder switch |
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|---|---|
| CN105702508B (en) | 2018-11-27 |
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Address after: 528425 Dongfeng Road and Dongting Industrial Park 28, Dongfeng Town, Zhongshan, Guangdong. Patentee after: GD MIDEA ENVIRONMENT APPLIANCES MFG Co.,Ltd. Country or region after: China Patentee after: Dongguan Linjiwei Technology Co.,Ltd. Address before: 528425 Dongfeng Road and Dongting Industrial Park 28, Dongfeng Town, Zhongshan, Guangdong. Patentee before: GD MIDEA ENVIRONMENT APPLIANCES MFG Co.,Ltd. Country or region before: China Patentee before: DONGGUAN LINJVE INDUSTRY INVESTMENTS Co.,Ltd. |
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Effective date of registration: 20240327 Address after: 528425 Dongfeng Road and Dongting Industrial Park 28, Dongfeng Town, Zhongshan, Guangdong. Patentee after: GD MIDEA ENVIRONMENT APPLIANCES MFG Co.,Ltd. Country or region after: China Address before: 528425 Dongfeng Road and Dongting Industrial Park 28, Dongfeng Town, Zhongshan, Guangdong. Patentee before: GD MIDEA ENVIRONMENT APPLIANCES MFG Co.,Ltd. Country or region before: China Patentee before: Dongguan Linjiwei Technology Co.,Ltd. |