WO2021000300A1 - 一种洗衣机用旋钮结构及洗衣机 - Google Patents

一种洗衣机用旋钮结构及洗衣机 Download PDF

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Publication number
WO2021000300A1
WO2021000300A1 PCT/CN2019/094608 CN2019094608W WO2021000300A1 WO 2021000300 A1 WO2021000300 A1 WO 2021000300A1 CN 2019094608 W CN2019094608 W CN 2019094608W WO 2021000300 A1 WO2021000300 A1 WO 2021000300A1
Authority
WO
WIPO (PCT)
Prior art keywords
knob
groove
conductive sheet
metal conductive
washing machine
Prior art date
Application number
PCT/CN2019/094608
Other languages
English (en)
French (fr)
Inventor
黄育楷
王红强
化范猛
毛玉金
Original Assignee
惠而浦（中国）股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 惠而浦（中国）股份有限公司 filed Critical 惠而浦（中国）股份有限公司
Priority to PCT/CN2019/094608 priority Critical patent/WO2021000300A1/zh
Priority to US16/645,660 priority patent/US20220120009A1/en
Priority to EP19936010.8A priority patent/EP3872251B1/en
Priority to US16/815,499 priority patent/US11429209B2/en
Publication of WO2021000300A1 publication Critical patent/WO2021000300A1/zh

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • D06F34/30—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by mechanical features, e.g. buttons or rotary dials
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • D06F34/32—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by graphical features, e.g. touchscreens
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/02—Controlling members for hand actuation by linear movement, e.g. push buttons
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G25/00—Other details or appurtenances of control mechanisms, e.g. supporting intermediate members elastically
    • 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
    • H01H19/14—Operating parts, e.g. turn knob
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/012—Household appliance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10053—Switch

Definitions

  • the invention relates to the technical field of washing machines, in particular to a knob structure for washing machines and washing machines.
  • knobs At present, most of the control panels of washing machines are equipped with knobs.
  • the knob and multiple buttons work together to realize the setting and switching of program functions such as washing mode or washing time.
  • the knob buttons of the existing washing machine are scattered and have no rotating segment display function, which is very inconvenient to operate and affect user experience.
  • the purpose of the present invention is to provide a rotary knob structure for washing machine and a washing machine, which can solve the deficiencies in the prior art, has the function of displaying the rotation position, and is simple and convenient to operate.
  • a knob structure for a washing machine includes a knob assembly, a pressing assembly, a display screen assembly, an incremental code plate and a PCBA board, wherein:
  • the rotating component can transmit the pressing force to the pressing component
  • the display screen assembly is arranged in the rotating assembly and is electrically connected to the PCBA board, and the display screen assembly is used to display various commands of the washing machine;
  • the incremental code disc is arranged inside the rotating component and is electrically connected to the PCBA board.
  • the incremental code disc feeds back different electrical signals to the PCBA board according to the change in the rotation angle of the rotating component, and the PCBA board processes the After the electrical signal, call the corresponding program and send the corresponding command to the display screen component;
  • the PCBA board is located under the pressing component, and the switch button of the pressing component is electrically connected to the PCBA board.
  • the switch button is turned on and the command on the display assembly is determined.
  • the knob assembly includes a knob rotation seat, a fixed body, and a knob decoration ring installed above the top of the knob rotation seat; the upper end of the knob rotation seat is provided with a containing groove one, the middle section is provided with a containing groove two, and the lower end
  • the third accommodating groove is provided; the inner peripheral wall of the second accommodating groove is provided with a number of evenly distributed concave-convex grooves.
  • the display screen assembly includes a display base, a display module mounted on the top of the display base and electrically connected to the PCBA board, and a glass lens pasted on the top of the display module; the upper end of the display base is placed on The lower end of the fixed body is located below the bottom of the second accommodating groove; the upper middle end of the fixed body passes through the second accommodating groove and is fixedly connected to the upper end of the display base; the decorative ring of the knob and the display screen assembly There is a gap between.
  • the pressing component includes a knob fixing bracket and a switch button;
  • the knob fixing bracket includes a supporting plate, a supporting groove installed above the middle of the supporting plate, a supporting groove installed above the outer periphery of the supporting plate, and a supporting groove installed on the supporting plate
  • the switch button is installed in the support slot one and is electrically connected to the PCBA board;
  • the PCBA board is installed in the support slot three;
  • the rotating sound generator is installed above the support board
  • the positioning post is located between the supporting groove one and the supporting groove two;
  • the positioning post is sleeved with a return spring;
  • the middle and lower ends of the knob rotating seat are embedded in the supporting groove two;
  • the middle and lower end of the display base passes through the second accommodating groove and then extends into the first supporting groove and is connected to the first supporting groove
  • the knob structure further includes a waterproof component;
  • the waterproof component includes a sealing ring A arranged between the display base and the accommodating groove 1 and a sealing ring arranged between the accommodating groove 1 and the supporting groove 2.
  • a claw and a guide groove are provided on one of the supporting grooves.
  • the knob structure further includes a rotating sound generator, the rotating sound generator mounting seat is arranged along the outer circumference of the supporting groove one; the rotating sound generator includes a steel ball and a spring; the rotating sound generator mounting seat A mounting groove is opened on the upper side, and a cover plate is arranged above the mounting groove.
  • the steel ball and spring are sequentially installed in the mounting groove from the outside to the inside; the inner end of the spring is in contact with the outer peripheral wall of the supporting groove one, and The end is in contact with the steel ball; the outer end of the steel ball protrudes from the outer opening of the installation groove and adapts to the concave-convex groove.
  • the incremental encoder includes a metal conductive sheet A, a metal conductive sheet B, a metal conductive sheet C, and a metal conductive sheet D; a metal conductive sheet A is installed at the bottom of the accommodating groove two; the fixed body A metal conductive sheet B, a metal conductive sheet C, and a metal conductive sheet D are installed at the lower end; a plurality of contacts are uniformly arranged on the periphery of the upper end surface of the metal conductive sheet A at a certain angle; the metal conductive sheet B, The pins of the metal conductive sheet C and the metal conductive sheet D are respectively electrically connected to the PCBA board; the metal conductive sheet B, the metal conductive sheet C, and the metal conductive sheet D are all provided with antennae located outside the fixed body.
  • a silicone switch is installed on the switch button; a switch bracket for fixing the button switch and the silicone switch is also installed on the support plate.
  • a washing machine comprising a control panel, the front of the control panel is provided with a touch display screen, the back is provided with a touch display control system, and the control panel is further provided with the knob structure according to any one of claims 1-9;
  • the touch display control system is electrically connected to the PCBA board.
  • the present invention also relates to a washing machine, including a control panel, the front of the control panel is provided with a touch display screen, the back is provided with a touch display control system, and the control panel is also provided with the above-mentioned knob structure; the touch display control system Electrically connected with PCBA board.
  • the knob structure of the present invention has the function of rotating and pressing.
  • rotating the knob structure By rotating the knob structure, different programs can be selected, and the program content can be displayed in real time on the touch display screen and display screen assembly.
  • Fig. 1 is an exploded structure diagram of the knob structure of the present invention
  • Figure 2 is a longitudinal sectional view 1 of the knob structure of the present invention.
  • FIG. 3 is a schematic diagram of the assembly structure of the display base and the knob fixing bracket in the present invention.
  • FIG. 4 is a schematic diagram of the assembly structure of the knob rotation seat (not including the knob decoration ring), the display base and the fixed body in the present invention;
  • FIG. 4 and FIG. 2 have different cut-away positions;
  • Figure 5 is a schematic view of the structure of the fixed body of the present invention.
  • FIG. 6 is a schematic diagram of the structure of metal conductive sheets B, C, D in the present invention.
  • FIG. 7 is a schematic diagram of the assembly of the rotary knob seat and the metal conductive sheet A in the present invention.
  • Figure 8 is a schematic diagram of the structure of the rotary knob of the present invention.
  • Figure 9 is a longitudinal cross-sectional view of the rotary knob of the present invention.
  • FIG. 10 is a schematic structural view of the knob fixing bracket of the present invention.
  • FIG 11 is a longitudinal sectional view of the knob fixing bracket of the present invention.
  • Figure 12 is a schematic view of the structure of the washing machine in the present invention.
  • 13 is a schematic diagram of the assembly of the control panel, touch display control system and knob structure in the present invention.
  • Fig. 14 is an assembly diagram of the touch display control system and the knob structure in the present invention.
  • washing machine 1-1, control panel, 1-2, touch display control system, 1-3, knob assembly, 1-4, touch screen, 10, rotating assembly, 101, knob decoration ring, 102, knob rotation Seat, 102-1, accommodating slot one, 102-2, accommodating slot two, 102-3 accommodating slot three, 102-4, concave-convex groove, 103, metal conductive sheet A, 103-Z, metal conductive sheet A Contact Z, 104, fixed body, 104-A, metal conductive sheet A, 104-B, metal conductive sheet B, 104-C, metal conductive sheet C, 20, display assembly, 201, glass lens, 202, Display module, 203, display base, 30, pressing component, 301, knob fixing bracket, 301-1, support plate, 301-2, support slot one, 301-3, support slot two, 301-4, support slot Three, 302, switch button, 303, silicone switch, 304, switch bracket, 305, return spring, 40, waterproof structure, 401, sealing ring A, 402, sealing ring B, 403, sealing ring C,
  • a knob structure for a washing machine as shown in FIGS. 1 to 14 includes a knob assembly 10, a display assembly 20, a pressing assembly 30 and a PCBA board 601, in which:
  • the rotating assembly 10 can transmit the pressing force to the pressing assembly 30, that is, the rotating assembly 10 can not only rotate on the washing machine, but also transmit the pressing force to the pressing assembly 30, so that the operator can only By manipulating the rotating assembly 10, the compression of the pressing assembly 30 can be controlled.
  • the rotating assembly 10 may be supported on the pressing assembly 30. When the rotating assembly 10 is pressed down, the pressing assembly 30 is pushed to compress.
  • the display assembly 20 is arranged in the rotating assembly 10 and is electrically connected to the PCBA board 601.
  • the display assembly 20 is used to display various commands of the washing machine. It can be seen that the operator can clearly know the order of the washing machine through the rotating assembly 10 It is no longer necessary to add other display components to the washing machine to help the operator operate. Of course, the display screen assembly 20 does not follow the rotation of the rotating assembly 10.
  • the incremental code disc is arranged inside the rotating assembly 10 and is electrically connected to the PCBA board 601.
  • the incremental code disc feeds back different electrical signals to the PCBA board 601 according to the change in the rotation angle of the rotating assembly 10.
  • the PCBA board 601 processes the electrical signal, it sends the corresponding command to the display assembly 20.
  • the incremental encoder can measure the rotation angle and direction of the rotating assembly 10, and then the PCBA board 601 can measure the rotation angle and direction of the rotating assembly 10. Different and after data processing, the corresponding program is called, and the corresponding command is displayed on the display screen assembly 20. Finally, the operator can input different commands by rotating the rotating assembly 10 at different angles.
  • the PCBA board 601 is located under the pressing assembly 30, and the switch button of the pressing assembly 30 is electrically connected to the PCBA board 601.
  • the switch button is turned on and the command on the display assembly 20 is determined. Because the operator can complete the action of pressing down the pressing assembly 30 by manipulating the rotating assembly 10, when operating the washing machine, the operator only completes the command selection by rotating the rotating assembly 10, and pressing the rotating assembly 10 (ie, the next Press the pressing component 30) to confirm the execution of the command.
  • the knob assembly 10 includes a knob rotation seat 102, a fixed body 104 and a knob decoration ring 101 installed on the top of the knob rotation seat 102.
  • the upper end of the knob rotation seat 102 is provided with a receiving slot 102-1, the middle section is provided with a receiving slot 102-2, and the lower end is provided with a receiving slot 102-3.
  • a plurality of evenly distributed concave-convex grooves 102-4 are provided on the inner peripheral wall of the second containing groove 102-2, and the plurality of concave-convex grooves 102-4 form a gear-like structure on the inner peripheral wall of the second containing groove 102-2.
  • the concave-convex groove 102-4 is corresponding to the rotating sound generator 50.
  • the steel ball 502 of the rotating sound generator 50 will roll along the concave and convex grooves 102-4, and then move to the outside for a while. Move to the inner side, and contact with the inner wall of the concave and convex accommodating groove two, so as to emit a click sound.
  • the outer end of the steel ball 502 first enters the concave part of the concave-convex groove 102-4.
  • the spring 501 is in the original length or compressed state, and then enters the convex part of the concave-convex groove 102-4.
  • the convex part is given to the steel ball 502.
  • a force directed to the spring 501 causes the steel ball 502 and the spring 501 to be squeezed.
  • the steel ball 502 enters the next recess of the concave-convex groove 102-4, under the elastic force of the spring 501, the steel ball 502 will move towards Lateral movement.
  • the knob decoration ring 101 and the knob rotation seat 102 are fixedly connected together, and they rotate together with the center line of the knob rotation seat 102 as a rotation axis.
  • the fixed body 104 cannot rotate with the knob rotating seat 102.
  • a metal conductive sheet A103 is installed at the bottom of the second containing groove 102-2.
  • a metal conductive sheet B104-B, a metal conductive sheet C104-C, and a metal conductive sheet D104-D, a metal conductive sheet B104-B, a metal conductive sheet C104-C, and a metal conductive sheet D104-D are installed at the lower end of the fixed body 104 And the fixed body 104 are injection molded together.
  • the metal conductive sheet A103 is provided with a plurality of contacts Z, and the plurality of contacts Z are distributed at a certain angle on the metal conductive sheet A103.
  • the pins of the metal conductive sheet B104-B, the metal conductive sheet C104-C, and the metal conductive sheet D104-D are all electrically connected to the PCBA board 601.
  • the metal conductive sheet B104-B, the metal conductive sheet C104-C, and the metal conductive sheet D104-D are all provided with antennae 104-1 located outside the fixed body, and the antennae of each metal conductive sheet are arranged according to a certain rule.
  • the metal conductive sheet A can rotate with the rotary base of the knob.
  • the incremental encoder function transmits the rotation signal to the PCBA board 601, and then different programs can be selected.
  • the display screen assembly 20 includes a display base 203, a display module 202 installed on the top of the display base 203 and electrically connected to the PCBA board 601, and a glass lens 201 pasted on the top of the display module 202 by optical glue.
  • the upper end of the display base 203 is placed in the first accommodating groove 102-1; the lower end of the fixed body 104 is located below the bottom of the second accommodating groove 102-2, and the upper middle end of the fixed body 104 After passing through the second accommodating slot 102-2, it is fixedly connected to the upper end of the display base 203.
  • the pressing assembly 30 includes a knob fixing bracket 301, a switch button 302, and a rotating sound generator 50;
  • the knob fixing bracket 301 includes a support plate 301-1, and a support groove 301-2 installed in the upper middle of the support plate 301-1
  • the second support groove 301-3 installed on the outer periphery of the support plate 301-1 and the support groove three 301-4 installed below the support plate 301-1;
  • the switch button 302 is installed in the support groove 301-2
  • the PCBA board 601 is electrically connected to the PCBA board 601;
  • the PCBA board 601 is installed in the supporting slot 301-4;
  • the supporting board 301-1 is also installed with a rotating sound generator mounting seat and a number of positioning posts Y;
  • the sound generator mounting seat is arranged along the outer circumference of the supporting groove one 301-2;
  • the positioning post Y is located between the supporting groove one 301-2 and the supporting groove two 301-3;
  • the positioning post Y is sleeved with a return spring 305
  • the display screen assembly 20 and the fixed body 104 can move downward along the axial direction of the knob structure 1-3, and then contact the switch button 302, and the switch button 302 sends a corresponding signal to the PCBA board 601. After the pressing action is over, under the elastic force of the return spring 305, the display screen assembly 20 and the fixed body 104 return to their original positions.
  • the knob structure 1-3 further includes a waterproof assembly 40;
  • the waterproof assembly 40 includes a sealing ring A401 arranged between the display base 203 and the accommodating groove 102-1, and a sealing ring A401 arranged in the accommodating groove 102-102.
  • the sealing ring B402 between 1 and the second support groove 302-3, the bottom cover 404 installed at the bottom opening of the support groove three 302-4, and the sealing ring C403 provided between the support groove three 302-4 and the bottom cover 404.
  • the sealing ring A401, the sealing ring B402, the sealing ring C403 and the bottom cover 404 all play a sealing role.
  • the waterproof component 40 can prevent water vapor or water droplets from entering the knob structure 1-3, and ensure the stability of the working environment of the knob structure 1-3.
  • the supporting groove one 302-2 is provided with a claw KZ and a guide groove DXC.
  • the claw KZ is used for snap connection with the lower end of the display base 203 to fix the display base 203.
  • a protrusion corresponding to the guide groove DXC is provided on the outer peripheral wall of the lower end of the display base 203, and the protrusion is installed in the guide groove DXC.
  • the guide groove DXC is used to restrict the display base 203 to only move up and down along the axial direction of the knob structure 1-3.
  • a gap is provided between the knob decoration ring 101 and the display screen assembly 20, and the gap ensures that the display screen assembly 20 can only move up and down along the axial direction of the knob structure 1-3.
  • a cover plate 503 is provided above the installation slot.
  • the cover plate 503 presses the steel ball 502 and the spring 501 into the installation groove. According to the size of the steel ball 502, by designing the size of the installation groove, the steel ball 502 can move in the installation groove without falling off from the installation groove.
  • a silicone switch 303 is installed on the switch button 302; a switch bracket 304 for fixing the switch button 302 and the silicone switch 303 is also installed on the support plate 302-1.
  • the switch button 302 can sense the pressing signal and transmit the pressing signal to the PCBA board 601.
  • the present invention also relates to a washing machine 1, including a control panel 1-1.
  • the front of the control panel 1-1 is provided with a touch screen 1-4, and the back is provided with a touch display control system 1-2.
  • the control panel 1 -1 is also provided with the above-mentioned knob structure 1-3; the touch display control system 1-2 is electrically connected to the PCBA board 601.
  • the control panel 1-1 is made of transparent materials such as glass, acrylic, ABS plastic, and plastic injection molding.
  • the front of the entire control panel 1-1 is a touch display area.
  • the information displayed by the touch display control system 1-2 and the display screen assembly 20 can be shared in real time.
  • the control panel 1-1, the touch display control system 1-2, the knob structure 1-3 and the touch display 1-4 are all installed on the washing machine 1.
  • the program can be selected by touching the display control system 1-1 and the knob structure 1-3 to control the operation of the washing machine 1.
  • the touch display control system 1-2 and the knob structure 1-3 are electrically connected.
  • the content displayed on the display screen assembly 20 and the content displayed on the touch screen 1-4 are shared in real time, and there are more detailed display instructions on the touch screen 1-4.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Textile Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

一种洗衣机用旋钮结构及洗衣机（1）。旋钮结构包括旋钮组件（1-3）、显示屏组件（20）、按压组件（30）和PCBA板（601）。旋钮组件（1-3）包括旋钮转动座（102）、固定体（104）和旋钮装饰环（101）。旋钮转动座（102）的上端开设有容置槽一（102-1），中段开设有容置槽二（102-2），下端开设有容置槽三（102-3）；容置槽二（102-2）的内周壁上设有若干均匀分布的凹凸槽（102-4）。容置槽二（102-2）的底部安装有金属导电片A（103）。固定体（104）的下端安装有金属导电片B（104-B）、金属导电片C（104-C）和金属导电片D（104-D）。显示屏组件（20）包括显示基座（203）、显示模组（202）和玻璃透镜（201）。按压组件（30）包括旋钮固定支架（301）、开关按键（302）和转动声音发生器（50）。该洗衣机用旋钮结构及洗衣机（1）具有旋转段位显示功能，操作起来简单方便。

Description

一种洗衣机用旋钮结构及洗衣机 技术领域
本发明涉及洗衣机技术领域，具体涉及一种洗衣机用旋钮结构及洗衣机。
背景技术
目前，洗衣机的控制面板上大都安装有旋钮。通过旋钮和多个按键配合工作，来实现洗涤模式或洗涤时间等程序功能的设置与切换。现有的洗衣机旋钮按键分布零散，无旋转段位显示功能，操作起来十分不方便，影响用户体验。
发明内容
本发明的目的在于提供一种洗衣机用旋钮结构及洗衣机，该洗衣机用旋钮结构及洗衣机能够解决现有技术中存在的不足，具有旋转段位显示功能，操作起来简单方便。
为实现上述目的，本发明采用了以下技术方案：
一种洗衣机用旋钮结构，包括旋钮组件、按压组件，还包括显示屏组件、增量式码盘和PCBA板，其中：
所述旋转组件可将下按的力传递按压组件；
所述显示屏组件设置在旋转组件内，与PCBA板电性连接，显示屏组件用于显示洗衣机各项命令；
所述增量式码盘设置在旋转组件的内部，并与PCBA板电性连接，增量式码盘根据旋转组件旋转角度的改变，反馈不同的电信号至PCBA板，所述PCBA板处理该电信号后，调取对应的程序，并发送相应的命令至显示屏组件；
所述PCBA板位于按压组件下方，按压组件的开关按键与PCBA板电性连接，并在按压组件受到外力下降时，开关按键开启，并且确定显示屏组件上的命令。
进一步的，所述旋钮组件包括旋钮转动座、固定体和安装在旋钮转动座顶部上方的旋钮装饰环；所述旋钮转动座的上端开设有容置槽一，中段开设有容 置槽二，下端开设有容置槽三；所述容置槽二的内周壁上设有若干均匀分布的凹凸槽。
进一步的，所述显示屏组件包括显示基座、安装在显示基座顶部且与PCBA板电性连接的显示模组和粘贴在显示模组顶部的玻璃透镜；所述显示基座的上端放置在容置槽一内；所述固定体的下端位于容置槽二底部的下方，固定体的中上端从容置槽二穿过后与显示基座的上端固定相连，所述旋钮装饰环与显示屏组件之间设有空隙。
进一步的，所述按压组件包括旋钮固定支架、开关按键；所述旋钮固定支架包括支撑板、安装在支撑板中间上方的支撑槽一、安装在支撑板外周上方的支撑槽二和安装在支撑板下方的支撑槽三；所述开关按键安装在支撑槽一内,且与PCBA板电性连接；所述PCBA板安装在支撑槽三内；所述支撑板的上方还安装有转动声音发生器安装座和若干定位柱；所述定位柱位于支撑槽一与支撑槽二之间；所述定位柱上套设有复位弹簧；所述旋钮转动座的中下端嵌入设置在支撑槽二内；所述显示基座的中下端穿过容置槽二后伸入到支撑槽一内且与支撑槽一相连
进一步的，所述的旋钮结构还包括防水组件；所述防水组件包括设置在显示基座与容置槽一之间的密封圈A、设置在容置槽一与支撑槽二之间的密封圈B、安装在支撑槽三底部开口处的底盖以及设置在支撑槽三与底盖之间的密封圈C。
优选的，所述支撑槽一上设有卡爪和导向槽。
进一步的，所述旋钮结构还包括转动声音发生器，所述转动声音发生器安装座沿支撑槽一的外周设置；所述转动声音发生器包括钢球和弹簧；所述转动声音发生器安装座上开设有安装槽，所述安装槽的上方设有盖板，所述钢球和弹簧从外向内依次安装在安装槽内；所述弹簧的内端与支撑槽一的外周壁相接触，外端与钢球相接触；所述钢球的外端部从安装槽的外侧开口处伸出后与凹凸槽相适应。
进一步的，所述增量式编码器包括金属导电片A、金属导电片B、金属导电片C和金属导电片D；所述容置槽二的底部安装有金属导电片A；所述固定体的下端安装有金属导电片B、金属导电片C和金属导电片D；所述金属导电 片A上端面的周边上按照一定夹角的均匀设置有多个触点；所述金属导电片B、金属导电片C和金属导电片D的引脚分别与PCBA板电性连接；所述金属导电片B、金属导电片C和金属导电片D上均设有位于固定体外侧的触角。
进一步的，所述开关按键上安装有硅胶开关；所述支撑板上还安装有用于固定按键开关及硅胶开关的开关支架。
一种洗衣机，包括控制面板，所述控制面板的正面设有触摸显示屏，背面设有触摸显示控制系统，所述控制面板上还设有如权利要求1～9任意一项所述的旋钮结构；所述触摸显示控制系统与PCBA板电性连接。
本发明还涉及一种洗衣机，包括控制面板，所述控制面板的正面设有触摸显示屏，背面设有触摸显示控制系统，所述控制面板上还设有上述旋钮结构；所述触摸显示控制系统与PCBA板电性连接。
由以上技术方案可知，本发明所述的旋钮结构具有旋转和按压功能，通过旋钮结构的旋转，可以选择不同的程序，并在触摸显示屏和显示屏组件上实时显示程序内容，通过旋钮结构按压，可以确定选择的程序，也可以通过触摸显示屏或触摸显示控制系统直接触摸选择程序，提高洗衣机控制面板的空间利用率，操作起来简单方便。
附图说明
图1是本发明中旋钮结构的爆炸结构示意图；
图2是本发明中旋钮结构的纵向剖视图一；
图3是本发明中显示基座与旋钮固定支架的装配结构示意图；
图4是本发明中旋钮转动座(未包含旋钮装饰环)、显示基座与固定体的装配结构示意图；图4与图2的剖开位置不同；
图5是本发明中固定体的结构示意图；
图6是本发明中金属导电片B、C、D的结构示意图；
图7是本发明中旋钮转动座与金属导电片A的装配示意图；
图8是本发明中旋钮转动座的结构示意图；
图9是本发明中旋钮转动座的纵向剖视图；
图10是本发明中旋钮固定支架的结构示意图；
图11是本发明中旋钮固定支架的纵向剖视图；
图12是本发明中洗衣机的结构示意图；
图13是本发明中控制面板、触摸显示控制系统和旋钮结构的装配示意图；
图14是本发明中触摸显示控制系统和旋钮结构的装配示意图。
其中：
1、洗衣机，1-1、控制面板，1-2、触摸显示控制系统，1-3、旋钮组件，1-4、触摸显示屏，10、旋转组件，101、旋钮装饰环，102、旋钮转动座，102-1、容置槽一，102-2、容置槽二，102-3容置槽三，102-4、凹凸槽，103、金属导电片A，103-Z、金属导电片A的触点Z，104、固定体，104-A、金属导电片A，104-B、金属导电片B，104-C、金属导电片C，20、显示屏组件，201、玻璃透镜，202、显示模组，203、显示基座，30、按压组件，301、旋钮固定支架，301-1、支撑板，301-2、支撑槽一，301-3、支撑槽二，301-4、支撑槽三，302、开关按键，303、硅胶开关，304、开关支架，305、复位弹簧，40、防水结构，401、密封圈A，402、密封圈B，403、密封圈C，404、底盖，50、转动声音发生器，501、弹簧，502、钢球，503、盖板，601、PCBA板，KZ、卡爪，DXC、导向槽，Y、定位柱。
具体实施方式
下面结合附图对本发明做进一步说明：
如图1-图14所示的一种洗衣机用旋钮结构，包括旋钮组件10、显示屏组件20、按压组件30和PCBA板601，其中：
所述旋转组件10可将下按的力传递按压组件30，也就是说，旋转组件10不仅可以在洗衣机上旋转，而且能够将下按的力传递至按压组件30上，从而使操作人员可以仅仅通过操控旋转组件10，并能够控制按压组件30的压缩，具体的，旋转组件10可以是支撑在按压组件30上的，在旋转组件10受到下按的压力时候，推动按压组件30压缩。
所述显示屏组件20设置在旋转组件10内，与PCBA板601电性连接，显示屏组件20用于显示洗衣机各项命令，可见，操控人员通过旋转组件10便能够清晰知道洗衣机所处的命令，不再需要在洗衣机上增设其他显示组件，以帮 助操作人员操作，当然显示屏组件20是不跟随旋转组件10旋转的。
所述增量式码盘设置在旋转组件10的内部，并与PCBA板601电性连接，增量式码盘根据旋转组件10旋转角度的改变，反馈不同的电信号至PCBA板601，所述PCBA板601处理该电信号后，发送相应的命令至显示屏组件20，首先，增量式码盘是可以测量到旋转组件10的旋转角度和旋转方向的，然后，PCBA板601根据旋转的角度不同，并经过数据处理后，调取相应的程序，在显示屏组件20上显示对应的命令，最后操作人员通过转动旋转组件10不同角度，达到输入不同指令的目的。
所述PCBA板601位于按压组件30下方，按压组件30的开关按键与PCBA板601电性连接，并在按压组件30受到外力下降时，开关按键开启，并且确定显示屏组件20上的命令。因为操作人员通过操控旋转组件10便能够完成对按压组件30下压的动作，所以，在操控洗衣机工作时候，操作人员仅仅通过转动旋转组件10便完成命令的选择，下按旋转组件10(即下按按压组件30)确认执行该命令。
所述旋钮组件10包括旋钮转动座102、固定体104和安装在旋钮转动座102顶部上方的旋钮装饰环101。所述旋钮转动座102的上端开设有容置槽一102-1，中段开设有容置槽二102-2，下端开设有容置槽三102-3。所述容置槽二102-2的内周壁上设有若干均匀分布的凹凸槽102-4，若干凹凸槽102-4在容置槽二102-2的内周壁上形成齿轮状结构。所述凹凸槽102-4与转动声音发生器50相对应设置。当旋钮转动座102与固定在旋钮固定支架301上的转动声音发生器50发生相对运动时，转动声音发生器50的钢球502会沿着各个凹凸槽102-4滚动，一会儿向外侧运动，一会儿向内侧运动，与凹凸不平的容置槽二的内壁相接触，从而发出哒哒的提示音。比如说，钢球502的外端部先进入凹凸槽102-4的凹处，此时弹簧501处于原长或压缩状态，然后再进入凹凸槽102-4的凸处，凸处给钢球502一个指向弹簧501的作用力，使钢球502及弹簧501受到挤压，当钢球502进入凹凸槽102-4的下一个凹处时，在弹簧501的弹力作用下，钢球502会再向外侧运动。旋钮装饰环101和旋钮转动座102固定连接在一起，二者以旋钮转动座102的中心线为转动轴，一起旋转转动。固定体104不能和旋钮转动座102一起转动。
所述容置槽二102-2的底部安装有金属导电片A103。所述固定体104的下端安装有金属导电片B104-B、金属导电片C104-C和金属导电片D104-D，金属导电片B104-B、金属导电片C104-C和金属导电片D104-D和固定体104注塑在一起。所述金属导电片A103上设有若干触点Z，若干触点Z在金属导电片A103上按一定的角度分布。所述金属导电片B104-B、金属导电片C104-C和金属导电片D104-D的引脚均与PCBA板601电性连接。所述金属导电片B104-B、金属导电片C104-C和金属导电片D104-D上均设有位于固定体外侧的触角104-1，各个金属导电片的触角按一定的规则排列。金属导电片A可以随旋钮转动座一同旋转，旋转时，金属导电片A上的触点Z与金属导电片B、金属导电片C和金属导电片D裸露在固定体外侧的触角相应接触，形成增量式编码器功能，将旋转信号传递给PCBA板601，进而可以选择不同的程序。
所述显示屏组件20包括显示基座203、安装在显示基座203顶部且与PCBA板601电性连接的显示模组202和通过光学胶粘贴在显示模组202顶部的玻璃透镜201。如图4所示，所述显示基座203的上端放置在容置槽一102-1内；所述固定体104的下端位于容置槽二102-2底部的下方，固定体104的中上端从容置槽二102-2穿过后与显示基座203的上端固定相连。
所述按压组件30包括旋钮固定支架301、开关按键302和转动声音发生器50；所述旋钮固定支架301包括支撑板301-1、安装在支撑板301-1中间上方的支撑槽一301-2、安装在支撑板301-1外周上方的支撑槽二301-3和安装在支撑板301-1下方的支撑槽三301-4；所述开关按键302安装在支撑槽一301-2内,且与PCBA板601电性连接；所述PCBA板601安装在支撑槽三301-4内；所述支撑板301-1的上方还安装有转动声音发生器安装座和若干定位柱Y；所述转动声音发生器安装座沿支撑槽一301-2的外周设置；所述定位柱Y位于支撑槽一301-2与支撑槽二301-3之间；所述定位柱Y上套设有复位弹簧305；所述转动声音发生器50包括钢球502和弹簧501；所述转动声音发生器安装座上开设有安装槽，所述钢球502和弹簧501从外向内依次安装在安装槽内；所述弹簧501的内端与支撑槽一301-2的外周壁相接触，外端与钢球502相接触；所述钢球502的外端部从安装槽的外侧开口处伸出后与凹凸槽102-4相适应；所述旋钮转动座102的中下端嵌入设置在支撑槽二301-3内；所述显示基座203 的中下端穿过容置槽二102-2后伸入到支撑槽一302-2内且与支撑槽一302-2相连。当按压旋钮结构1-3时，显示屏组件20和固定体104能够沿旋钮结构1-3的轴向向下移动，进而接触到开关按键302，开关按键302向PCBA板601发送相应的信号。按压动作结束后，在复位弹簧305的弹力作用下，显示屏组件20和固定体104恢复到原位。
进一步的，该旋钮结构1-3还包括防水组件40；所述防水组件40包括设置在显示基座203与容置槽一102-1之间的密封圈A401、设置在容置槽一102-1与支撑槽二302-3之间的密封圈B402、安装在支撑槽三302-4底部开口处的底盖404以及设置在支撑槽三302-4与底盖404之间的密封圈C403。所述密封圈A401、密封圈B402、密封圈C403和底盖404都起到密封作用。所述防水组件40可以防止水汽或水滴进入旋钮结构1-3内部，保证旋钮结构1-3工作环境的稳定。
进一步的，所述支撑槽一302-2上设有卡爪KZ和导向槽DXC。所述卡爪KZ，用于与显示基座203的下端卡合连接，固定住显示基座203。所述显示基座203的下端外周壁上设有与导向槽DXC相适应的凸起，该凸起安装在导向槽DXC内。所述导向槽DXC，用于限制显示基座203只能沿旋钮结构1-3的轴向上下按压移动。
进一步的，所述旋钮装饰环101与显示屏组件20之间设有空隙，该空隙保证显示屏组件20只能沿旋钮结构1-3的轴向上下移动。
进一步的，所述安装槽的上方设有盖板503。所述盖板503将钢球502和弹簧501压合在安装槽中。根据钢球502的尺寸，通过对安装槽的尺寸进行设计，使钢球502既可以在安装槽中运动，又不会从安装槽中脱落。
进一步的，所述开关按键302上安装有硅胶开关303；所述支撑板302-1上还安装有用于固定开关按键302及硅胶开关303的开关支架304。所述开关按键302，可以感知按压信号，并将按压信号传递给PCBA板601。
本发明还涉及一种洗衣机1，包括控制面板1-1，所述控制面板1-1的正面设有触摸显示屏1-4，背面设有触摸显示控制系统1-2，所述控制面板1-1上还设有上述旋钮结构1-3；所述触摸显示控制系统1-2与PCBA板601电性连接。所述控制面板1-1采用玻璃、亚克力、ABS塑料、贴塑注塑等透明材料。整个 控制面板1-1的正面均为触摸显示区域。所述触摸显示控制系统1-2与显示屏组件20显示的信息可以实时共享。控制面板1-1、触摸显示控制系统1-2、旋钮结构1-3和触摸显示屏1-4均安装在洗衣机1上。通过触摸显示控制系统1-1和旋钮结构1-3可以进行程序选择，控制洗衣机1的运行。触摸显示控制系统1-2和旋钮结构1-3电性连接。显示屏组件20显示的内容和触摸显示屏1-4上显示的内容实时共享，并且在触摸显示屏1-4上有更详细的显示说明。
以上所述的实施例仅仅是对本发明的优选实施方式进行描述，并非对本发明的范围进行限定，在不脱离本发明设计精神的前提下，本领域普通技术人员对本发明的技术方案作出的各种变形和改进，均应落入本发明权利要求书确定的保护范围内。

Claims (10)

  1. 一种洗衣机用旋钮结构，包括旋钮组件、按压组件，其特征在于：还包括显示屏组件、增量式码盘和PCBA板，其中：
    所述旋转组件可将下按的力传递按压组件；
    所述显示屏组件设置在旋转组件内，与PCBA板电性连接，显示屏组件用于显示洗衣机各项命令；
    所述增量式码盘设置在旋转组件的内部，并与PCBA板电性连接，增量式码盘根据旋转组件旋转角度的改变，反馈不同的电信号至PCBA板，所述PCBA板处理该电信号后，调取对应的程序，并发送相应的命令至显示屏组件；
    所述PCBA板位于按压组件下方，按压组件的开关按键与PCBA板电性连接，并在按压组件受到外力下降时，开关按键开启，并且确定显示屏组件上的命令。
  2. 根据权利要求1所述的一种洗衣机用旋钮结构，其特征在于：所述旋钮组件包括旋钮转动座、固定体和安装在旋钮转动座顶部上方的旋钮装饰环；所述旋钮转动座的上端开设有容置槽一，中段开设有容置槽二，下端开设有容置槽三；所述容置槽二的内周壁上设有若干均匀分布的凹凸槽。
  3. 根据权利要求2所述的一种洗衣机用旋钮结构，其特征在于：所述显示屏组件包括显示基座、安装在显示基座顶部且与PCBA板电性连接的显示模组和粘贴在显示模组顶部的玻璃透镜；所述显示基座的上端放置在容置槽一内；所述固定体的下端位于容置槽二底部的下方，固定体的中上端从容置槽二穿过后与显示基座的上端固定相连，所述旋钮装饰环与显示屏组件之间设有空隙。
  4. 根据权利要求3所述的一种洗衣机用旋钮结构，其特征在于：所述按压组件包括旋钮固定支架、开关按键；所述旋钮固定支架包括支撑板、安装在支撑板中间上方的支撑槽一、安装在支撑板外周上方的支撑槽二和安装在支撑板下方的支撑槽三；所述开关按键安装在支撑槽一内,且与PCBA板电性连接；所述PCBA板安装在支撑槽三内；所述支撑板的上方还安装有转动声音发生器安装座和若干定位柱；所述定位柱位于支撑槽一与支撑槽二之间；所述定位柱上套设有复位弹簧；所述旋钮转动座的中下端嵌入设置在支撑槽二内；所述显 示基座的中下端穿过容置槽二后伸入到支撑槽一内且与支撑槽一相连
  5. 根据权利要求4所述的一种洗衣机用旋钮结构，其特征在于：还包括防水组件；所述防水组件包括设置在显示基座与容置槽一之间的密封圈A、设置在容置槽一与支撑槽二之间的密封圈B、安装在支撑槽三底部开口处的底盖以及设置在支撑槽三与底盖之间的密封圈C。
  6. 根据权利要求5所述的一种洗衣机用旋钮结构，其特征在于：所述支撑槽一上设有卡爪和导向槽。
  7. 根据权利要求6所述的一种洗衣机用旋钮结构，其特征在于：所述旋钮结构还包括转动声音发生器，所述转动声音发生器安装座沿支撑槽一的外周设置；所述转动声音发生器包括钢球和弹簧；所述转动声音发生器安装座上开设有安装槽，所述安装槽的上方设有盖板，所述钢球和弹簧从外向内依次安装在安装槽内；所述弹簧的内端与支撑槽一的外周壁相接触，外端与钢球相接触；所述钢球的外端部从安装槽的外侧开口处伸出后与凹凸槽相适应。
  8. 根据权利要求7所述的一种洗衣机用旋钮结构，其特征在于：所述增量式编码器包括金属导电片A、金属导电片B、金属导电片C和金属导电片D；所述容置槽二的底部安装有金属导电片A；所述固定体的下端安装有金属导电片B、金属导电片C和金属导电片D；所述金属导电片A上端面的周边上按照一定夹角的均匀设置有多个触点；所述金属导电片B、金属导电片C和金属导电片D的引脚分别与PCBA板电性连接；所述金属导电片B、金属导电片C和金属导电片D上均设有位于固定体外侧的触角。
  9. 根据权利要求8所述的一种洗衣机用旋钮结构，其特征在于：所述开关按键上安装有硅胶开关；所述支撑板上还安装有用于固定按键开关及硅胶开关的开关支架。
  10. 一种洗衣机，包括控制面板，其特征在于：所述控制面板的正面设有触摸显示屏，背面设有触摸显示控制系统，所述控制面板上还设有如权利要求1～9任意一项所述的旋钮结构；所述触摸显示控制系统与PCBA板电性连接。
PCT/CN2019/094608 2019-07-03 2019-07-03 一种洗衣机用旋钮结构及洗衣机 WO2021000300A1 (zh)

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