CN108571987A - A kind of novel modulator - Google Patents
A kind of novel modulator Download PDFInfo
- Publication number
- CN108571987A CN108571987A CN201810605633.3A CN201810605633A CN108571987A CN 108571987 A CN108571987 A CN 108571987A CN 201810605633 A CN201810605633 A CN 201810605633A CN 108571987 A CN108571987 A CN 108571987A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- turntable
- light guide
- guide column
- transparent light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/249—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/247—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using time shifts of pulses
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2500/00—Problems to be solved
- F25D2500/06—Stock management
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Switches With Compound Operations (AREA)
Abstract
The present invention relates to encoder techniques fields,More particularly to a kind of novel modulator,Including pcb board,Transparent light guide column,Device aperture,Pedestal,Turntable,Holder,Coded slice terminal,Inner button,Outer knob,The lower part of the transparent light guide column offers annular groove,Sealing ring is equipped in the annular groove,The present invention in the lower part of transparent light guide column by being arranged sealing ring,The present invention can be made to can avoid being influenced by wet environment in use,Ensure the stabilization of output performance,Extend the service life of product,Outer knob,Inner button and turntable are equipped with,When the temperature and humidity of refrigerator is adjusted,Rotate outer knob,Inner button,Turntable gradually turns round positioning,In addition brush is made to be contacted in different location with coded slice terminal movable,To reach 360 degree of full circle swinging increments of micro-current,Regulation and control error can effectively be controlled,Improve performance.
Description
Technical field
The present invention relates to encoder techniques field more particularly to a kind of novel modulators.
Background technology
Encoder is a kind of device for angular displacement or straight-line displacement being converted into electric signal.The former is known as code-disc, and the latter claims
Yardstick can be divided into contact and contactless two kinds of contacts according to playback mode encoder and be exported using brush, a brush
Conduction region or insulation layer are contacted to indicate that the state of code is " 1 " or " 0 ";The contactless sensing element that receives is photosensitive member
Part or magneto sensor indicate that the state of code is " 1 " or " 0 " with transparent area and opaque area using when light-sensitive element, press
It can be divided into two class of increment type and absolute type according to operation principle encoder.
Incremental encoder is displacement to be converted into periodic electric signal, then this electric signal is transformed into counting arteries and veins
Punching, the size of displacement is indicated with the number of pulse.
Incremental encoder is widely used in all kinds of household appliances and realizes household appliances product functional effect outstanding, especially
The temperature and humidity for being mainly used to adjust refrigerator in refrigerator output function control aspect are applied, but is applied in the prior art
On the one hand incremental encoder on refrigerator is highly susceptible to the interference of wet environment, cause that output performance is unstable, reduces
The service life of product；On the other hand, when regulating and controlling the temperature and humidity in refrigerator, user can only perceptually regulate and control, and regulation and control miss
Difference is larger, reduces the performance of incremental encoder.
Invention content
The purpose of the present invention is to provide a kind of novel modulator, has and can avoid being influenced by wet environment, ensure defeated
The stabilization for going out performance, the service life for extending product can be controlled effectively in addition, when the temperature and humidity to refrigerator is adjusted
The characteristics of regulating and controlling error, improving performance.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
A kind of novel modulator, including pcb board, pcb board upper end are equipped with transparent light guide column, device are offered among transparent light guide column
Hole, device aperture is interior to be equipped with pedestal, and the cooperation of pedestal upper end is equipped with turntable, is connected by holder between the turntable and pedestal, described
The coded slice terminal being electrically connected with pcb board is equipped between turntable and pedestal, transparent light guide column upper end is equipped with inner button, described
The additional portion of inner button is connect with the inner wall of transparent light guide column, and the middle part of inner button contradicts with the holder and connects, the inner button
Fit on is covered with outer knob, and the lower part of the transparent light guide column offers annular groove, and sealing ring is equipped in the annular groove.
Wherein, it is set between the turntable and pedestal there are two the coded slice terminal being electrically connected with pcb board, two encode bit ends
It is compressed and is connected by brush on son, the rear portion between the turntable and pedestal is connected with spring.
Wherein, the device aperture inner wall of the transparent light guide column offers several guide-lighting slots, is equipped with and the PCB in guide-lighting slot
The LED light of plate electrical connection.
Wherein, interior sets of holes are offered in the middle part of the pedestal, interior sets of holes are equipped with interior connector sleeve, the interior connector sleeve and pedestal
Between offer installation cavity, the turntable includes the outer connector sleeve being sheathed on outside interior sets of holes, and outer connector sleeve lower end, which is equipped with, is set to peace
The base ring of the coded slice terminal is resisted in behaveing affectedly, the frame upper pushes down the base ring of pedestal and turntable across outer connector sleeve,
Holder lower part and pedestal snapping.
Wherein, the holder includes the pressure ring for pushing down pedestal and base ring, and the pressure ring outer rim is hinged at least three button blocks,
The plugboard being connect with the pcb board is additionally provided on the pressure ring, the pedestal outer rim offers at least three and coordinates with button block
The catching groove of snapping.
Wherein, the turntable outer rim be equipped at least three latches, the inner button lower inner wall offer at least three with
The card slot of latch cooperation clamping, which is equipped with limited block.
Wherein, inner button top bottom end is equipped at least three card convexs, and the transparent light guide column wall offers at least
The screens of three card convex cooperation clampings.
Advantageous effect of the present invention：The present invention includes pcb board, and pcb board upper end is equipped with transparent light guide column, among transparent light guide column
Device aperture is offered, pedestal is equipped in device aperture, the cooperation of pedestal upper end is equipped with turntable, passes through holder between the turntable and pedestal
Connection, is equipped with the coded slice terminal being electrically connected with pcb board between the turntable and pedestal, transparent light guide column upper end is equipped with interior
Knob, the additional portion of inner button are connect with the inner wall of transparent light guide column, and the middle part of inner button contradicts with the holder and connects, institute
It states inner button fit on and is covered with outer knob, the lower part of the transparent light guide column offers annular groove, is equipped in the annular groove close
Seal, the present invention can make the present invention can avoid making moist in use by the way that sealing ring is arranged in the lower part of transparent light guide column
Wet environment influences, and ensures the stabilization of output performance, extends the service life of product, the cooperation of outer knob, inner button and turntable is set
It sets, when the temperature and humidity of refrigerator is adjusted, rotation outer knob, inner button, turntable gradually turn round positioning, in addition make brush
It is contacted in different location with coded slice terminal movable, to reach 360 degree of full circle swinging increments of micro-current, can effectively control regulation and control and miss
Difference improves performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the decomposition texture schematic diagram of the present invention.
Fig. 3 is the whole section decomposition texture schematic diagram of the present invention.
Specific implementation mode
Present invention is further described in detail with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of novel modulator, including pcb board 1,1 upper end of pcb board are equipped with transparent light guide column
2, device aperture is offered among transparent light guide column 2, is equipped with pedestal 3 in device aperture, and the cooperation of 3 upper end of pedestal is equipped with turntable 4, described turn
It is connected by holder 5 between disk 4 and pedestal 3, the coding bit end being electrically connected with pcb board 1 is equipped between the turntable 4 and pedestal 3
Son 6,2 upper end of transparent light guide column are equipped with inner button 7, and 7 additional portion of the inner button is connect with the inner wall of transparent light guide column 2,
The middle part of inner button 7 contradicts with the holder 5 and connects, and 7 fit on of the inner button is covered with outer knob 8, the turntable 4 and base
It is set between seat 3 there are two the coded slice terminal 6 that be electrically connected with pcb board 1, passing through brush 9 on two coded slice terminals 6 compresses company
It connecing, the rear portion between the turntable 4 and pedestal 3 is connected with spring 10, and the lower part of the transparent light guide column 2 offers annular groove,
Sealing ring 12 is equipped in the annular groove, the present invention can make the present invention exist by the way that sealing ring 12 is arranged in the lower part of transparent light guide column 2
It can avoid being influenced by wet environment during use, ensure the stabilization of output performance, extend the service life of product, outer knob 8,
Inner button 7 is equipped with turntable 4, and when the temperature and humidity of refrigerator is adjusted, rotation outer knob 8, turns inner button 7
Disk 4 gradually turns round positioning, so that brush 9 is moved with coded slice terminal 6 and is contacted in different location, to reach 360 degree of micro-current
Full circle swinging increment can effectively control regulation and control error, improve performance, effectively the temperature and humidity of refrigerator can be adjusted simultaneously
The Reasonable Orientation in revolution coordinates special location sound and product to rotate and slides impression, can have and significantly stagnate positioning feeling.
The present invention is according to same direction（Clockwise or counterclockwise）It is rotated by 360 °, it is defeated to have continuous 10 pulse signals
Go out, software program is according to the output of setting A, B phase signals, the signal increasing or decreasing made, while judging rotation side at this time
To（Clockwise or counterclockwise）.In the maintenance of each anchor point, A is in low level to the present invention, B is in high level, is convenient for Software for Design
When signal detection.The phase difference output of pulse signal meets：△ T=1/4T ± 0.1T=25ms ± 10ms, phase difference refer to A phases
With B phases when clockwise or counterclockwise, there is the time difference between the two when identical pulse signal.
In the present embodiment, the device aperture inner wall of the transparent light guide column 2 offers several guide-lighting slots, be equipped in guide-lighting slot with
The LED light 11 that the pcb board 1 is electrically connected is drawn gorgeous light by transparent optical material, with external special CD
Bloom lines metal knob coordinates, and user is made to have special visual experience.
In the present embodiment, 3 middle part of the pedestal offers interior sets of holes, and interior sets of holes are equipped with interior connector sleeve 31, the interior company
Installation cavity 32 is offered between female connector 31 and pedestal 3, the turntable 4 includes the outer connector sleeve 41 being sheathed on outside interior sets of holes, outer company
41 lower end of female connector is equipped with the base ring 42 for being set in installation cavity 32 and resisting the coded slice terminal 6, and 5 top of the holder passes through outer company
Female connector 41 pushes down the base ring 42 of pedestal 3 and turntable 4,5 lower part of holder and 3 snapping of pedestal, and the holder 5 includes pushing down 3 He of pedestal
The pressure ring 51 of base ring 42,51 outer rim of the pressure ring are hinged at least three button blocks 52, are additionally provided on the pressure ring 51 and the PCB
The plugboard 53 that plate 1 connects, 3 outer rim of the pedestal offer at least three catching grooves 33 for coordinating snapping with button block 52, pass through branch
Frame 5 is convenient for the handling of pedestal 3 and turntable 4 and coded slice terminal 6, brush 9, spring 10.
In the present embodiment, 4 outer rim of the turntable is equipped at least three latches 43, and 7 lower inner wall of the inner button offers
At least three card slots 44 being clamped with the cooperation of latch 43, which is equipped with limited block 45, passes through latch 43 and card slot
44, the mating connection of limited block 45, can be convenient for inner button 7 and turntable 4 rotates upwardly and downwardly adjusting.
In the present embodiment, 7 top bottom end of the inner button is equipped at least three card convexs 71,2 inner wall of transparent light guide column
Inward turning can be convenient for by the mating connection of card convex 71 and screens 21 by offering the screens 21 of at least three card convexs 71 cooperation clamping
Rotate upwardly and downwardly adjusting of the button 7 to transparent light guide column 2, the outer knob 8, inner button 7, turntable 4 rotate up and down simultaneously when in use
It is mobile to adjust.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (7)
1. a kind of novel modulator, it is characterised in that：Including pcb board, pcb board upper end is equipped with transparent light guide column, transparent light guide column
Centre offers device aperture, and pedestal is equipped in device aperture, and the cooperation of pedestal upper end is equipped with turntable, passes through between the turntable and pedestal
Holder connects, and the coded slice terminal being electrically connected with pcb board is equipped between the turntable and pedestal, transparent light guide column upper end is set
There are inner button, the additional portion of inner button to be connect with the inner wall of transparent light guide column, the middle part of inner button is contradicted with the holder to be connected
It connects, the inner button fit on is covered with outer knob, and the lower part of the transparent light guide column offers annular groove, set in the annular groove
There is sealing ring.
2. a kind of novel modulator according to claim 1, it is characterised in that：There are two being set between the turntable and pedestal
The coded slice terminal being electrically connected with pcb board is compressed on two coded slice terminals by brush and is connected, between the turntable and pedestal
Rear portion be connected with spring.
3. a kind of novel modulator according to claim 1, it is characterised in that：The device aperture inner wall of the transparent light guide column
Several guide-lighting slots are offered, the LED light being electrically connected with the pcb board is equipped in guide-lighting slot.
4. a kind of novel modulator according to claim 1, it is characterised in that：Interior sets of holes are offered in the middle part of the pedestal,
Interior sets of holes are equipped with interior connector sleeve, and installation cavity is offered between the interior connector sleeve and pedestal, and the turntable includes in being sheathed on
Outer connector sleeve outside sets of holes, outer connector sleeve lower end are equipped with the base ring for being set in installation cavity and resisting the coded slice terminal, the branch
The base ring of pedestal and turntable, holder lower part and pedestal snapping are pushed down across outer connector sleeve in frame top.
5. a kind of novel modulator according to claim 4, it is characterised in that：The holder includes pushing down pedestal and base ring
Pressure ring, the pressure ring outer rim is hinged at least three button blocks, the grafting being connect with the pcb board is additionally provided on the pressure ring
Plate, the pedestal outer rim offer the catching groove of at least three and button block cooperation snapping.
6. the full-automatic assembled formation machine of a kind of encoder according to claim 1, it is characterised in that：The turntable outer rim is set
There are at least three latches, the inner button lower inner wall to offer the card slot of at least three and latch cooperation clamping, the card slot bottom
End is equipped with limited block.
7. the full-automatic assembled formation machine of a kind of encoder according to claim 1, it is characterised in that：The inner button top
Bottom end is equipped at least three card convexs, and the transparent light guide column wall offers the screens of at least three card convexs cooperation clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605633.3A CN108571987A (en) | 2018-06-13 | 2018-06-13 | A kind of novel modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605633.3A CN108571987A (en) | 2018-06-13 | 2018-06-13 | A kind of novel modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108571987A true CN108571987A (en) | 2018-09-25 |
Family
ID=63573139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810605633.3A Pending CN108571987A (en) | 2018-06-13 | 2018-06-13 | A kind of novel modulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108571987A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751831A (en) * | 2019-01-21 | 2019-05-14 | 长虹美菱股份有限公司 | A kind of household electric refrigerator staggered floor display device and its control method |
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|---|---|---|---|---|
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| CN202304851U (en) * | 2011-11-03 | 2012-07-04 | 宁波永佳电子科技有限公司 | Anti-shake rotary encoder |
| US20140062467A1 (en) * | 2012-08-28 | 2014-03-06 | Jia Wang | Waterproof coding device with built-in magnetic disc |
| CN204230127U (en) * | 2014-10-14 | 2015-03-25 | 东莞高仪电子科技有限公司 | There is the encoder of on-off switch function |
| CN104766750A (en) * | 2014-01-03 | 2015-07-08 | 褚锦雄 | Knob encoding switch |
| CN105792584A (en) * | 2016-05-24 | 2016-07-20 | 惠州华阳通用电子有限公司 | Waterproof structure of electronic product with light guiding elements |
| CN106968085A (en) * | 2017-04-28 | 2017-07-21 | 青岛海尔滚筒洗衣机有限公司 | A kind of knob assembly of washing machine, assembly method and washing machine |
| CN107192407A (en) * | 2017-06-20 | 2017-09-22 | 上海岭先机器人科技股份有限公司 | A kind of code-disc, slew gear, yardstick and translation mechanism |
| WO2017166410A1 (en) * | 2016-03-30 | 2017-10-05 | 广东美的环境电器制造有限公司 | Rotary encoder and household appliance having the same |
| CN208254502U (en) * | 2018-06-13 | 2018-12-18 | 宁波永佳电子科技有限公司 | A kind of novel modulator |
-
2018
- 2018-06-13 CN CN201810605633.3A patent/CN108571987A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886931A (en) * | 2009-05-15 | 2010-11-17 | 深圳市鑫汇科科技有限公司 | Waterproof encoder |
| CN101929878A (en) * | 2009-06-19 | 2010-12-29 | 深圳市鑫汇科科技有限公司 | Waterproof coding device |
| CN202304851U (en) * | 2011-11-03 | 2012-07-04 | 宁波永佳电子科技有限公司 | Anti-shake rotary encoder |
| US20140062467A1 (en) * | 2012-08-28 | 2014-03-06 | Jia Wang | Waterproof coding device with built-in magnetic disc |
| CN104766750A (en) * | 2014-01-03 | 2015-07-08 | 褚锦雄 | Knob encoding switch |
| CN204230127U (en) * | 2014-10-14 | 2015-03-25 | 东莞高仪电子科技有限公司 | There is the encoder of on-off switch function |
| WO2017166410A1 (en) * | 2016-03-30 | 2017-10-05 | 广东美的环境电器制造有限公司 | Rotary encoder and household appliance having the same |
| CN105792584A (en) * | 2016-05-24 | 2016-07-20 | 惠州华阳通用电子有限公司 | Waterproof structure of electronic product with light guiding elements |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751831A (en) * | 2019-01-21 | 2019-05-14 | 长虹美菱股份有限公司 | A kind of household electric refrigerator staggered floor display device and its control method |
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